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ELF: Move dyn_relocs to struct elf_link_hash_entry
[deliverable/binutils-gdb.git] / bfd / elfxx-sparc.c
CommitLineData
22b75d0a 1/* SPARC-specific support for ELF
b3adc24a 2 Copyright (C) 2005-2020 Free Software Foundation, Inc.
22b75d0a
DM		 3
4 This file is part of BFD, the Binary File Descriptor library.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
cd123cb7 8 the Free Software Foundation; either version 3 of the License, or
22b75d0a
DM		 9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
cd123cb7
NC		 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
20
22b75d0a
DM		 21
22/* This file handles functionality common to the different SPARC ABI's. */
23
22b75d0a 24#include "sysdep.h"
3db64b00 25#include "bfd.h"
22b75d0a
DM		 26#include "bfdlink.h"
27#include "libbfd.h"
910600e9 28#include "libiberty.h"
22b75d0a
DM		 29#include "elf-bfd.h"
30#include "elf/sparc.h"
31#include "opcode/sparc.h"
32#include "elfxx-sparc.h"
910600e9 33#include "elf-vxworks.h"
d0c9aeb3
DM		 34#include "objalloc.h"
35#include "hashtab.h"
22b75d0a
DM		 36
37/* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38#define MINUS_ONE (~ (bfd_vma) 0)
39
40#define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
42
43/* The relocation "howto" table. */
44
45/* Utility for performing the standard initial work of an instruction
46 relocation.
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
52
53static bfd_reloc_status_type
54init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
2c3fc389 55 void * data, asection *input_section, bfd *output_bfd,
22b75d0a
DM		 56 bfd_vma *prelocation, bfd_vma *pinsn)
57{
58 bfd_vma relocation;
59 reloc_howto_type *howto = reloc_entry->howto;
60
61 if (output_bfd != (bfd *) NULL
62 && (symbol->flags & BSF_SECTION_SYM) == 0
63 && (! howto->partial_inplace
64 || reloc_entry->addend == 0))
65 {
66 reloc_entry->address += input_section->output_offset;
67 return bfd_reloc_ok;
68 }
69
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd != NULL)
72 return bfd_reloc_continue;
73
74 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
75 return bfd_reloc_outofrange;
76
77 relocation = (symbol->value
78 + symbol->section->output_section->vma
79 + symbol->section->output_offset);
80 relocation += reloc_entry->addend;
81 if (howto->pc_relative)
82 {
83 relocation -= (input_section->output_section->vma
84 + input_section->output_offset);
85 relocation -= reloc_entry->address;
86 }
87
88 *prelocation = relocation;
89 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
90 return bfd_reloc_other;
91}
92
93/* For unsupported relocs. */
94
95static bfd_reloc_status_type
96sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
97 arelent *reloc_entry ATTRIBUTE_UNUSED,
98 asymbol *symbol ATTRIBUTE_UNUSED,
2c3fc389 99 void * data ATTRIBUTE_UNUSED,
22b75d0a
DM		 100 asection *input_section ATTRIBUTE_UNUSED,
101 bfd *output_bfd ATTRIBUTE_UNUSED,
102 char **error_message ATTRIBUTE_UNUSED)
103{
104 return bfd_reloc_notsupported;
105}
106
107/* Handle the WDISP16 reloc. */
108
109static bfd_reloc_status_type
110sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
2c3fc389 111 void * data, asection *input_section, bfd *output_bfd,
22b75d0a
DM		 112 char **error_message ATTRIBUTE_UNUSED)
113{
114 bfd_vma relocation;
115 bfd_vma insn;
116 bfd_reloc_status_type status;
117
118 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
119 input_section, output_bfd, &relocation, &insn);
120 if (status != bfd_reloc_other)
121 return status;
122
123 insn &= ~ (bfd_vma) 0x303fff;
124 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
125 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
126
127 if ((bfd_signed_vma) relocation < - 0x40000
128 || (bfd_signed_vma) relocation > 0x3ffff)
129 return bfd_reloc_overflow;
130 else
131 return bfd_reloc_ok;
132}
133
2615994e
DM		 134/* Handle the WDISP10 reloc. */
135
136static bfd_reloc_status_type
137sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
2c3fc389 138 void * data, asection *input_section, bfd *output_bfd,
2615994e
DM		 139 char **error_message ATTRIBUTE_UNUSED)
140{
141 bfd_vma relocation;
142 bfd_vma insn;
143 bfd_reloc_status_type status;
144
145 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
146 input_section, output_bfd, &relocation, &insn);
147 if (status != bfd_reloc_other)
148 return status;
149
150 insn &= ~ (bfd_vma) 0x181fe0;
151 insn |= (((relocation >> 2) & 0x300) << 11)
152 | (((relocation >> 2) & 0xff) << 5);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
154
155 if ((bfd_signed_vma) relocation < - 0x1000
156 || (bfd_signed_vma) relocation > 0xfff)
157 return bfd_reloc_overflow;
158 else
159 return bfd_reloc_ok;
160}
161
22b75d0a
DM		 162/* Handle the HIX22 reloc. */
163
164static bfd_reloc_status_type
165sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
2c3fc389 166 void * data, asection *input_section, bfd *output_bfd,
22b75d0a
DM		 167 char **error_message ATTRIBUTE_UNUSED)
168{
169 bfd_vma relocation;
170 bfd_vma insn;
171 bfd_reloc_status_type status;
172
173 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
174 input_section, output_bfd, &relocation, &insn);
175 if (status != bfd_reloc_other)
176 return status;
177
178 relocation ^= MINUS_ONE;
179 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
180 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
181
182 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
183 return bfd_reloc_overflow;
184 else
185 return bfd_reloc_ok;
186}
187
188/* Handle the LOX10 reloc. */
189
190static bfd_reloc_status_type
191sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
2c3fc389 192 void * data, asection *input_section, bfd *output_bfd,
22b75d0a
DM		 193 char **error_message ATTRIBUTE_UNUSED)
194{
195 bfd_vma relocation;
196 bfd_vma insn;
197 bfd_reloc_status_type status;
198
199 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
200 input_section, output_bfd, &relocation, &insn);
201 if (status != bfd_reloc_other)
202 return status;
203
204 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
205 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
206
207 return bfd_reloc_ok;
208}
209
210static reloc_howto_type _bfd_sparc_elf_howto_table[] =
211{
07d6d2b8
AM		 212 HOWTO(R_SPARC_NONE, 0,3, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
214 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
215 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
216 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
217 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
218 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
22b75d0a
DM		 219 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
220 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
07d6d2b8
AM		 221 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
224 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
225 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
227 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
228 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
229 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
230 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
231 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
22b75d0a
DM		 232 HOWTO(R_SPARC_GLOB_DAT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
233 HOWTO(R_SPARC_JMP_SLOT, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
234 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
07d6d2b8
AM		 235 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
236 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
238 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
243 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
244 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
245 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
246 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
247 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
248 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
249 HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE),
250 HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE),
251 HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE),
22b75d0a
DM		 252 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
253 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
254 HOWTO(R_SPARC_UNUSED_42, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_UNUSED_42",FALSE,0,0x00000000,TRUE),
07d6d2b8
AM		 255 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
256 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
257 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
258 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
259 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
261 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
263 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
264 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
22b75d0a 265 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
07d6d2b8
AM		 266 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
267 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
22b75d0a
DM		 268 HOWTO(R_SPARC_TLS_GD_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_HI22",FALSE,0,0x003fffff,TRUE),
269 HOWTO(R_SPARC_TLS_GD_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_LO10",FALSE,0,0x000003ff,TRUE),
270 HOWTO(R_SPARC_TLS_GD_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_ADD",FALSE,0,0x00000000,TRUE),
271 HOWTO(R_SPARC_TLS_GD_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_GD_CALL",FALSE,0,0x3fffffff,TRUE),
272 HOWTO(R_SPARC_TLS_LDM_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_HI22",FALSE,0,0x003fffff,TRUE),
273 HOWTO(R_SPARC_TLS_LDM_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_LO10",FALSE,0,0x000003ff,TRUE),
274 HOWTO(R_SPARC_TLS_LDM_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_ADD",FALSE,0,0x00000000,TRUE),
275 HOWTO(R_SPARC_TLS_LDM_CALL,2,2,30,TRUE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_TLS_LDM_CALL",FALSE,0,0x3fffffff,TRUE),
276 HOWTO(R_SPARC_TLS_LDO_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_TLS_LDO_HIX22",FALSE,0,0x003fffff, FALSE),
277 HOWTO(R_SPARC_TLS_LDO_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LDO_LOX10",FALSE,0,0x000003ff, FALSE),
278 HOWTO(R_SPARC_TLS_LDO_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_LDO_ADD",FALSE,0,0x00000000,TRUE),
279 HOWTO(R_SPARC_TLS_IE_HI22,10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_HI22",FALSE,0,0x003fffff,TRUE),
280 HOWTO(R_SPARC_TLS_IE_LO10,0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LO10",FALSE,0,0x000003ff,TRUE),
281 HOWTO(R_SPARC_TLS_IE_LD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LD",FALSE,0,0x00000000,TRUE),
282 HOWTO(R_SPARC_TLS_IE_LDX,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_LDX",FALSE,0,0x00000000,TRUE),
283 HOWTO(R_SPARC_TLS_IE_ADD,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_IE_ADD",FALSE,0,0x00000000,TRUE),
284 HOWTO(R_SPARC_TLS_LE_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_TLS_LE_HIX22",FALSE,0,0x003fffff, FALSE),
285 HOWTO(R_SPARC_TLS_LE_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_TLS_LE_LOX10",FALSE,0,0x000003ff, FALSE),
286 HOWTO(R_SPARC_TLS_DTPMOD32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD32",FALSE,0,0x00000000,TRUE),
287 HOWTO(R_SPARC_TLS_DTPMOD64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPMOD64",FALSE,0,0x00000000,TRUE),
288 HOWTO(R_SPARC_TLS_DTPOFF32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF32",FALSE,0,0xffffffff,TRUE),
289 HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE),
290 HOWTO(R_SPARC_TLS_TPOFF32,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF32",FALSE,0,0x00000000,TRUE),
739f7f82
DM		 291 HOWTO(R_SPARC_TLS_TPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_TPOFF64",FALSE,0,0x00000000,TRUE),
292 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
293 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
07d6d2b8 295 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
739f7f82 296 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
2615994e
DM		 297 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
298 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
299 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
300 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
22b75d0a 301};
d0c9aeb3
DM		 302static reloc_howto_type sparc_jmp_irel_howto =
303 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
304static reloc_howto_type sparc_irelative_howto =
305 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
22b75d0a
DM		 306static reloc_howto_type sparc_vtinherit_howto =
307 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
308static reloc_howto_type sparc_vtentry_howto =
309 HOWTO (R_SPARC_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_SPARC_GNU_VTENTRY", FALSE,0,0, FALSE);
310static reloc_howto_type sparc_rev32_howto =
311 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
312
22b75d0a 313reloc_howto_type *
f3185997 314_bfd_sparc_elf_reloc_type_lookup (bfd *abfd,
22b75d0a
DM		 315 bfd_reloc_code_real_type code)
316{
679b7c76
DM		 317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
22b75d0a
DM		 319 switch (code)
320 {
679b7c76
DM		 321 case BFD_RELOC_NONE:
322 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
323
324 case BFD_RELOC_8:
325 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
326
327 case BFD_RELOC_16:
328 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
329
330 case BFD_RELOC_32:
331 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
332
333 case BFD_RELOC_8_PCREL:
334 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
335
336 case BFD_RELOC_16_PCREL:
337 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
338
339 case BFD_RELOC_32_PCREL:
340 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
341
342 case BFD_RELOC_32_PCREL_S2:
343 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
344
345 case BFD_RELOC_SPARC_WDISP22:
346 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
347
348 case BFD_RELOC_HI22:
349 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
350
351 case BFD_RELOC_SPARC22:
352 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
353
354 case BFD_RELOC_SPARC13:
355 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
356
357 case BFD_RELOC_LO10:
358 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
359
360 case BFD_RELOC_SPARC_GOT10:
361 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
362
363 case BFD_RELOC_SPARC_GOT13:
364 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
365
366 case BFD_RELOC_SPARC_GOT22:
367 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
368
369 case BFD_RELOC_SPARC_PC10:
370 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
371
372 case BFD_RELOC_SPARC_PC22:
373 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
374
375 case BFD_RELOC_SPARC_WPLT30:
376 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
377
378 case BFD_RELOC_SPARC_COPY:
379 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
380
381 case BFD_RELOC_SPARC_GLOB_DAT:
382 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
383
384 case BFD_RELOC_SPARC_JMP_SLOT:
385 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
386
387 case BFD_RELOC_SPARC_RELATIVE:
388 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
389
390 case BFD_RELOC_SPARC_UA32:
391 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
392
393 case BFD_RELOC_SPARC_PLT32:
394 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
395
396 case BFD_RELOC_SPARC_10:
397 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
398
399 case BFD_RELOC_SPARC_11:
400 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
401
402 case BFD_RELOC_SPARC_64:
403 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
404
405 case BFD_RELOC_SPARC_OLO10:
406 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
407
408 case BFD_RELOC_SPARC_HH22:
409 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
410
411 case BFD_RELOC_SPARC_HM10:
412 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
413
414 case BFD_RELOC_SPARC_LM22:
415 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
416
417 case BFD_RELOC_SPARC_PC_HH22:
418 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
419
420 case BFD_RELOC_SPARC_PC_HM10:
421 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
422
423 case BFD_RELOC_SPARC_PC_LM22:
424 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
425
426 case BFD_RELOC_SPARC_WDISP16:
427 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
428
429 case BFD_RELOC_SPARC_WDISP19:
430 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
431
432 case BFD_RELOC_SPARC_7:
433 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
434
435 case BFD_RELOC_SPARC_5:
436 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
437
438 case BFD_RELOC_SPARC_6:
439 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
440
441 case BFD_RELOC_SPARC_DISP64:
442 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
443
444 case BFD_RELOC_SPARC_PLT64:
445 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
446
447 case BFD_RELOC_SPARC_HIX22:
448 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
449
450 case BFD_RELOC_SPARC_LOX10:
451 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
452
453 case BFD_RELOC_SPARC_H44:
454 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
455
456 case BFD_RELOC_SPARC_M44:
457 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
458
459 case BFD_RELOC_SPARC_L44:
460 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
461
462 case BFD_RELOC_SPARC_REGISTER:
463 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
464
465 case BFD_RELOC_SPARC_UA64:
466 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
467
468 case BFD_RELOC_SPARC_UA16:
469 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
470
471 case BFD_RELOC_SPARC_TLS_GD_HI22:
472 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
473
474 case BFD_RELOC_SPARC_TLS_GD_LO10:
475 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
476
477 case BFD_RELOC_SPARC_TLS_GD_ADD:
478 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
479
480 case BFD_RELOC_SPARC_TLS_GD_CALL:
481 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
482
483 case BFD_RELOC_SPARC_TLS_LDM_HI22:
484 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
485
486 case BFD_RELOC_SPARC_TLS_LDM_LO10:
487 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
488
489 case BFD_RELOC_SPARC_TLS_LDM_ADD:
490 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
491
492 case BFD_RELOC_SPARC_TLS_LDM_CALL:
493 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
494
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
496 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
497
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
499 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
500
501 case BFD_RELOC_SPARC_TLS_LDO_ADD:
502 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
503
504 case BFD_RELOC_SPARC_TLS_IE_HI22:
505 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
506
507 case BFD_RELOC_SPARC_TLS_IE_LO10:
508 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
509
510 case BFD_RELOC_SPARC_TLS_IE_LD:
511 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
512
513 case BFD_RELOC_SPARC_TLS_IE_LDX:
514 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
515
516 case BFD_RELOC_SPARC_TLS_IE_ADD:
517 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
518
519 case BFD_RELOC_SPARC_TLS_LE_HIX22:
520 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
521
522 case BFD_RELOC_SPARC_TLS_LE_LOX10:
523 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
524
525 case BFD_RELOC_SPARC_TLS_DTPMOD32:
526 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
527
528 case BFD_RELOC_SPARC_TLS_DTPMOD64:
529 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
530
531 case BFD_RELOC_SPARC_TLS_DTPOFF32:
532 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
533
534 case BFD_RELOC_SPARC_TLS_DTPOFF64:
535 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
536
537 case BFD_RELOC_SPARC_TLS_TPOFF32:
538 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
539
540 case BFD_RELOC_SPARC_TLS_TPOFF64:
541 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
542
543 case BFD_RELOC_SPARC_GOTDATA_HIX22:
544 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
545
546 case BFD_RELOC_SPARC_GOTDATA_LOX10:
547 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
548
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
550 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
551
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
553 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
554
555 case BFD_RELOC_SPARC_GOTDATA_OP:
556 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
557
2615994e
DM		 558 case BFD_RELOC_SPARC_H34:
559 return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
560
561 case BFD_RELOC_SPARC_SIZE32:
562 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
563
564 case BFD_RELOC_SPARC_SIZE64:
565 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
566
567 case BFD_RELOC_SPARC_WDISP10:
568 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
569
d0c9aeb3
DM		 570 case BFD_RELOC_SPARC_JMP_IREL:
571 return &sparc_jmp_irel_howto;
572
573 case BFD_RELOC_SPARC_IRELATIVE:
574 return &sparc_irelative_howto;
575
22b75d0a
DM		 576 case BFD_RELOC_VTABLE_INHERIT:
577 return &sparc_vtinherit_howto;
578
579 case BFD_RELOC_VTABLE_ENTRY:
580 return &sparc_vtentry_howto;
581
582 case BFD_RELOC_SPARC_REV32:
583 return &sparc_rev32_howto;
584
585 default:
679b7c76 586 break;
22b75d0a 587 }
f3185997 588 /* xgettext:c-format */
e8f5af78 589 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, (int) code);
f3185997
NC		 590 bfd_set_error (bfd_error_bad_value);
591 return NULL;
22b75d0a
DM		 592}
593
157090f7
AM		 594reloc_howto_type *
595_bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
596 const char *r_name)
597{
598 unsigned int i;
599
f3185997 600 for (i = 0; i < ARRAY_SIZE (_bfd_sparc_elf_howto_table); i++)
157090f7
AM		 601 if (_bfd_sparc_elf_howto_table[i].name != NULL
602 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
603 return &_bfd_sparc_elf_howto_table[i];
604
605 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
606 return &sparc_vtinherit_howto;
607 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
608 return &sparc_vtentry_howto;
609 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
610 return &sparc_rev32_howto;
611
612 return NULL;
613}
614
22b75d0a 615reloc_howto_type *
f3185997
NC		 616_bfd_sparc_elf_info_to_howto_ptr (bfd *abfd ATTRIBUTE_UNUSED,
617 unsigned int r_type)
22b75d0a
DM		 618{
619 switch (r_type)
620 {
d0c9aeb3
DM		 621 case R_SPARC_JMP_IREL:
622 return &sparc_jmp_irel_howto;
623
624 case R_SPARC_IRELATIVE:
625 return &sparc_irelative_howto;
626
22b75d0a
DM		 627 case R_SPARC_GNU_VTINHERIT:
628 return &sparc_vtinherit_howto;
629
630 case R_SPARC_GNU_VTENTRY:
631 return &sparc_vtentry_howto;
632
633 case R_SPARC_REV32:
634 return &sparc_rev32_howto;
635
636 default:
d0fb9a8d
JJ		 637 if (r_type >= (unsigned int) R_SPARC_max_std)
638 {
0aa13fee
AM		 639 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
640 abfd, r_type);
f3185997
NC		 641 bfd_set_error (bfd_error_bad_value);
642 return NULL;
d0fb9a8d 643 }
22b75d0a
DM		 644 return &_bfd_sparc_elf_howto_table[r_type];
645 }
646}
647
648/* Both 32-bit and 64-bit sparc encode this in an identical manner,
649 so just take advantage of that. */
650#define SPARC_ELF_R_TYPE(r_info) \
651 ((r_info) & 0xff)
652
f3185997 653bfd_boolean
0aa13fee 654_bfd_sparc_elf_info_to_howto (bfd *abfd, arelent *cache_ptr,
22b75d0a
DM		 655 Elf_Internal_Rela *dst)
656{
657 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
658
f3185997
NC		 659 if ((cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (abfd, r_type)) == NULL)
660 {
f3185997
NC		 661 bfd_set_error (bfd_error_bad_value);
662 return FALSE;
663 }
664 return TRUE;
22b75d0a
DM		 665}
666\f
667
668/* The nop opcode we use. */
669#define SPARC_NOP 0x01000000
670
671#define SPARC_INSN_BYTES 4
672
bb1dd176
QZ		 673/* Is an undefined weak symbol resolved to 0 ?
674 Reference to an undefined weak symbol is resolved to 0 when
675 building an executable if it isn't dynamic and
676 1. Has non-GOT/non-PLT relocations in text section.
677 Or
678 2. Has no GOT/PLT relocation. */
07d6d2b8
AM		 679#define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
680 ((EH)->elf.root.type == bfd_link_hash_undefweak \
681 && bfd_link_executable (INFO) \
682 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
a8735c82 683 || !(INFO)->dynamic_undefined_weak \
07d6d2b8 684 || (EH)->has_non_got_reloc \
a8735c82 685 || !(EH)->has_got_reloc))
bb1dd176 686
22b75d0a
DM		 687/* SPARC ELF linker hash entry. */
688
689struct _bfd_sparc_elf_link_hash_entry
690{
691 struct elf_link_hash_entry elf;
692
22b75d0a
DM		 693#define GOT_UNKNOWN 0
694#define GOT_NORMAL 1
695#define GOT_TLS_GD 2
696#define GOT_TLS_IE 3
697 unsigned char tls_type;
bb1dd176 698
f8745e1c 699 /* Symbol has GOT or PLT relocations. */
bb1dd176
QZ		 700 unsigned int has_got_reloc : 1;
701
f8745e1c
EB		 702 /* Symbol has old-style, non-relaxable GOT relocations. */
703 unsigned int has_old_style_got_reloc : 1;
704
bb1dd176
QZ		 705 /* Symbol has non-GOT/non-PLT relocations in text sections. */
706 unsigned int has_non_got_reloc : 1;
707
22b75d0a
DM		 708};
709
710#define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
711
712struct _bfd_sparc_elf_obj_tdata
713{
714 struct elf_obj_tdata root;
715
716 /* tls_type for each local got entry. */
717 char *local_got_tls_type;
718
719 /* TRUE if TLS GD relocs has been seen for this object. */
720 bfd_boolean has_tlsgd;
721};
722
723#define _bfd_sparc_elf_tdata(abfd) \
724 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
725
726#define _bfd_sparc_elf_local_got_tls_type(abfd) \
727 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
728
0ffa91dd
NC		 729#define is_sparc_elf(bfd) \
730 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
731 && elf_tdata (bfd) != NULL \
4dfe6ac6 732 && elf_object_id (bfd) == SPARC_ELF_DATA)
0ffa91dd 733
22b75d0a
DM		 734bfd_boolean
735_bfd_sparc_elf_mkobject (bfd *abfd)
736{
0ffa91dd 737 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
4dfe6ac6 738 SPARC_ELF_DATA);
22b75d0a
DM		 739}
740
741static void
91d6fa6a 742sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
22b75d0a 743{
91d6fa6a 744 bfd_put_32 (abfd, val, ptr);
22b75d0a
DM		 745}
746
747static void
91d6fa6a 748sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
22b75d0a 749{
91d6fa6a 750 bfd_put_64 (abfd, val, ptr);
22b75d0a
DM		 751}
752
753static void
39817122 754sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
22b75d0a 755{
39817122
RS		 756 const struct elf_backend_data *bed;
757 bfd_byte *loc;
22b75d0a 758
39817122 759 bed = get_elf_backend_data (abfd);
a8735c82 760 BFD_ASSERT (s->reloc_count * bed->s->sizeof_rela < s->size);
39817122
RS		 761 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
762 bed->s->swap_reloca_out (abfd, rel, loc);
22b75d0a
DM		 763}
764
765static bfd_vma
e459dc7b 766sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
91d6fa6a 767 bfd_vma rel_index ATTRIBUTE_UNUSED,
e459dc7b 768 bfd_vma type ATTRIBUTE_UNUSED)
22b75d0a 769{
91d6fa6a 770 return ELF64_R_INFO (rel_index,
22b75d0a
DM		 771 (in_rel ?
772 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
773 type) : type));
774}
775
776static bfd_vma
777sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
91d6fa6a 778 bfd_vma rel_index, bfd_vma type)
22b75d0a 779{
91d6fa6a 780 return ELF32_R_INFO (rel_index, type);
22b75d0a
DM		 781}
782
783static bfd_vma
784sparc_elf_r_symndx_64 (bfd_vma r_info)
785{
e8be8da4
DM		 786 bfd_vma r_symndx = ELF32_R_SYM (r_info);
787 return (r_symndx >> 24);
22b75d0a
DM		 788}
789
790static bfd_vma
791sparc_elf_r_symndx_32 (bfd_vma r_info)
792{
793 return ELF32_R_SYM (r_info);
794}
795
796/* PLT/GOT stuff */
797
798#define PLT32_ENTRY_SIZE 12
799#define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
800
801/* The first four entries in a 32-bit procedure linkage table are reserved,
802 and the initial contents are unimportant (we zero them out).
803 Subsequent entries look like this. See the SVR4 ABI SPARC
804 supplement to see how this works. */
805
806/* sethi %hi(.-.plt0),%g1. We fill in the address later. */
807#define PLT32_ENTRY_WORD0 0x03000000
808/* b,a .plt0. We fill in the offset later. */
809#define PLT32_ENTRY_WORD1 0x30800000
810/* nop. */
811#define PLT32_ENTRY_WORD2 SPARC_NOP
812
813static int
814sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
815 bfd_vma max ATTRIBUTE_UNUSED,
816 bfd_vma *r_offset)
817{
818 bfd_put_32 (output_bfd,
819 PLT32_ENTRY_WORD0 + offset,
820 splt->contents + offset);
821 bfd_put_32 (output_bfd,
822 (PLT32_ENTRY_WORD1
823 + (((- (offset + 4)) >> 2) & 0x3fffff)),
824 splt->contents + offset + 4);
825 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
826 splt->contents + offset + 8);
827
828 *r_offset = offset;
829
830 return offset / PLT32_ENTRY_SIZE - 4;
831}
832
833/* Both the headers and the entries are icache aligned. */
834#define PLT64_ENTRY_SIZE 32
835#define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
836#define PLT64_LARGE_THRESHOLD 32768
837
838static int
839sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
840 bfd_vma max, bfd_vma *r_offset)
841{
842 unsigned char *entry = splt->contents + offset;
843 const unsigned int nop = SPARC_NOP;
91d6fa6a 844 int plt_index;
22b75d0a
DM		 845
846 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
847 {
848 unsigned int sethi, ba;
849
850 *r_offset = offset;
851
91d6fa6a 852 plt_index = (offset / PLT64_ENTRY_SIZE);
22b75d0a 853
91d6fa6a 854 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
22b75d0a
DM		 855 ba = 0x30680000
856 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
857
858 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
859 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
860 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
861 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
862 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
863 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
864 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
865 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
866 }
867 else
868 {
869 unsigned char *ptr;
870 unsigned int ldx;
871 int block, last_block, ofs, last_ofs, chunks_this_block;
872 const int insn_chunk_size = (6 * 4);
873 const int ptr_chunk_size = (1 * 8);
874 const int entries_per_block = 160;
875 const int block_size = entries_per_block * (insn_chunk_size
876 + ptr_chunk_size);
877
878 /* Entries 32768 and higher are grouped into blocks of 160.
879 The blocks are further subdivided into 160 sequences of
880 6 instructions and 160 pointers. If a block does not require
881 the full 160 entries, let's say it requires N, then there
882 will be N sequences of 6 instructions and N pointers. */
883
884 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
885 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
886
887 block = offset / block_size;
888 last_block = max / block_size;
889 if (block != last_block)
890 {
891 chunks_this_block = 160;
892 }
893 else
894 {
895 last_ofs = max % block_size;
896 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
897 }
898
899 ofs = offset % block_size;
900
91d6fa6a 901 plt_index = (PLT64_LARGE_THRESHOLD +
22b75d0a
DM		 902 (block * 160) +
903 (ofs / insn_chunk_size));
904
905 ptr = splt->contents
906 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
907 + (block * block_size)
908 + (chunks_this_block * insn_chunk_size)
909 + (ofs / insn_chunk_size) * ptr_chunk_size;
910
911 *r_offset = (bfd_vma) (ptr - splt->contents);
912
913 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
914
915 /* mov %o7,%g5
916 call .+8
917 nop
918 ldx [%o7+P],%g1
919 jmpl %o7+%g1,%g1
920 mov %g5,%o7 */
921 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
922 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
923 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
07d6d2b8 924 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
22b75d0a
DM		 925 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
926 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
927
928 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
929 }
930
91d6fa6a 931 return plt_index - 4;
22b75d0a
DM		 932}
933
910600e9
RS		 934/* The format of the first PLT entry in a VxWorks executable. */
935static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
936 {
937 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
938 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
939 0xc4008000, /* ld [ %g2 ], %g2 */
940 0x81c08000, /* jmp %g2 */
941 0x01000000 /* nop */
942 };
943
944/* The format of subsequent PLT entries. */
945static const bfd_vma sparc_vxworks_exec_plt_entry[] =
946 {
947 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
948 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
949 0xc2004000, /* ld [ %g1 ], %g1 */
950 0x81c04000, /* jmp %g1 */
951 0x01000000, /* nop */
952 0x03000000, /* sethi %hi(f@pltindex), %g1 */
953 0x10800000, /* b _PLT_resolve */
954 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
955 };
956
957/* The format of the first PLT entry in a VxWorks shared object. */
958static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
959 {
960 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
961 0x81c08000, /* jmp %g2 */
962 0x01000000 /* nop */
963 };
964
965/* The format of subsequent PLT entries. */
966static const bfd_vma sparc_vxworks_shared_plt_entry[] =
967 {
968 0x03000000, /* sethi %hi(f@got), %g1 */
969 0x82106000, /* or %g1, %lo(f@got), %g1 */
970 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
971 0x81c04000, /* jmp %g1 */
972 0x01000000, /* nop */
973 0x03000000, /* sethi %hi(f@pltindex), %g1 */
974 0x10800000, /* b _PLT_resolve */
975 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
976 };
977
22b75d0a
DM		 978#define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
979 htab->put_word(bfd, val, ptr)
980
22b75d0a
DM		 981#define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
982 htab->r_info(in_rel, index, type)
983
984#define SPARC_ELF_R_SYMNDX(htab, r_info) \
985 htab->r_symndx(r_info)
986
987#define SPARC_ELF_WORD_BYTES(htab) \
988 htab->bytes_per_word
989
990#define SPARC_ELF_RELA_BYTES(htab) \
991 htab->bytes_per_rela
992
993#define SPARC_ELF_DTPOFF_RELOC(htab) \
994 htab->dtpoff_reloc
995
996#define SPARC_ELF_DTPMOD_RELOC(htab) \
997 htab->dtpmod_reloc
998
999#define SPARC_ELF_TPOFF_RELOC(htab) \
1000 htab->tpoff_reloc
1001
1002#define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1003 htab->build_plt_entry (obfd, splt, off, max, r_off)
1004
1005/* Create an entry in an SPARC ELF linker hash table. */
1006
1007static struct bfd_hash_entry *
1008link_hash_newfunc (struct bfd_hash_entry *entry,
1009 struct bfd_hash_table *table, const char *string)
1010{
1011 /* Allocate the structure if it has not already been allocated by a
1012 subclass. */
1013 if (entry == NULL)
1014 {
1015 entry = bfd_hash_allocate (table,
1016 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1017 if (entry == NULL)
1018 return entry;
1019 }
1020
1021 /* Call the allocation method of the superclass. */
1022 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1023 if (entry != NULL)
1024 {
1025 struct _bfd_sparc_elf_link_hash_entry *eh;
1026
1027 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
22b75d0a 1028 eh->tls_type = GOT_UNKNOWN;
bb1dd176
QZ		 1029 eh->has_got_reloc = 0;
1030 eh->has_non_got_reloc = 0;
22b75d0a
DM		 1031 }
1032
1033 return entry;
1034}
1035
1036/* The name of the dynamic interpreter. This is put in the .interp
1037 section. */
1038
1039#define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1040#define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1041
d0c9aeb3
DM		 1042/* Compute a hash of a local hash entry. We use elf_link_hash_entry
1043 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1044 as global symbol. We reuse indx and dynstr_index for local symbol
1045 hash since they aren't used by global symbols in this backend. */
1046
1047static hashval_t
1048elf_sparc_local_htab_hash (const void *ptr)
1049{
1050 struct elf_link_hash_entry *h
1051 = (struct elf_link_hash_entry *) ptr;
1052 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1053}
1054
1055/* Compare local hash entries. */
1056
1057static int
1058elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1059{
1060 struct elf_link_hash_entry *h1
1061 = (struct elf_link_hash_entry *) ptr1;
1062 struct elf_link_hash_entry *h2
1063 = (struct elf_link_hash_entry *) ptr2;
1064
1065 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1066}
1067
1068/* Find and/or create a hash entry for local symbol. */
1069
1070static struct elf_link_hash_entry *
1071elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1072 bfd *abfd, const Elf_Internal_Rela *rel,
1073 bfd_boolean create)
1074{
1075 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1076 asection *sec = abfd->sections;
1077 unsigned long r_symndx;
1078 hashval_t h;
1079 void **slot;
1080
1081 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1082 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1083
1084 e.elf.indx = sec->id;
1085 e.elf.dynstr_index = r_symndx;
1086 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1087 create ? INSERT : NO_INSERT);
1088
1089 if (!slot)
1090 return NULL;
1091
1092 if (*slot)
1093 {
1094 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1095 return &ret->elf;
1096 }
1097
1098 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1099 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1100 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1101 if (ret)
1102 {
1103 memset (ret, 0, sizeof (*ret));
1104 ret->elf.indx = sec->id;
1105 ret->elf.dynstr_index = r_symndx;
1106 ret->elf.dynindx = -1;
1107 ret->elf.plt.offset = (bfd_vma) -1;
1108 ret->elf.got.offset = (bfd_vma) -1;
1109 *slot = ret;
1110 }
1111 return &ret->elf;
1112}
1113
68faa637
AM		 1114/* Destroy a SPARC ELF linker hash table. */
1115
d495ab0d
AM		 1116static void
1117_bfd_sparc_elf_link_hash_table_free (bfd *obfd)
68faa637
AM		 1118{
1119 struct _bfd_sparc_elf_link_hash_table *htab
d495ab0d 1120 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
68faa637
AM		 1121
1122 if (htab->loc_hash_table)
1123 htab_delete (htab->loc_hash_table);
1124 if (htab->loc_hash_memory)
1125 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
d495ab0d 1126 _bfd_elf_link_hash_table_free (obfd);
68faa637
AM		 1127}
1128
22b75d0a
DM		 1129/* Create a SPARC ELF linker hash table. */
1130
1131struct bfd_link_hash_table *
1132_bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1133{
1134 struct _bfd_sparc_elf_link_hash_table *ret;
986f0783 1135 size_t amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
22b75d0a
DM		 1136
1137 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1138 if (ret == NULL)
1139 return NULL;
1140
1141 if (ABI_64_P (abfd))
1142 {
1143 ret->put_word = sparc_put_word_64;
22b75d0a
DM		 1144 ret->r_info = sparc_elf_r_info_64;
1145 ret->r_symndx = sparc_elf_r_symndx_64;
22b75d0a
DM		 1146 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1147 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1148 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1149 ret->word_align_power = 3;
1150 ret->align_power_max = 4;
1151 ret->bytes_per_word = 8;
1152 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
c2e70a82 1153 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
22b75d0a 1154 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
d0c9aeb3
DM		 1155
1156 ret->build_plt_entry = sparc64_plt_entry_build;
1157 ret->plt_header_size = PLT64_HEADER_SIZE;
1158 ret->plt_entry_size = PLT64_ENTRY_SIZE;
22b75d0a
DM		 1159 }
1160 else
1161 {
1162 ret->put_word = sparc_put_word_32;
22b75d0a
DM		 1163 ret->r_info = sparc_elf_r_info_32;
1164 ret->r_symndx = sparc_elf_r_symndx_32;
22b75d0a
DM		 1165 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1166 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1167 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1168 ret->word_align_power = 2;
1169 ret->align_power_max = 3;
1170 ret->bytes_per_word = 4;
1171 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
c2e70a82 1172 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
22b75d0a 1173 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
d0c9aeb3
DM		 1174
1175 ret->build_plt_entry = sparc32_plt_entry_build;
1176 ret->plt_header_size = PLT32_HEADER_SIZE;
1177 ret->plt_entry_size = PLT32_ENTRY_SIZE;
22b75d0a
DM		 1178 }
1179
66eb6687 1180 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
4dfe6ac6
NC		 1181 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1182 SPARC_ELF_DATA))
22b75d0a
DM		 1183 {
1184 free (ret);
1185 return NULL;
1186 }
1187
d0c9aeb3
DM		 1188 ret->loc_hash_table = htab_try_create (1024,
1189 elf_sparc_local_htab_hash,
1190 elf_sparc_local_htab_eq,
1191 NULL);
1192 ret->loc_hash_memory = objalloc_create ();
1193 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1194 {
d495ab0d 1195 _bfd_sparc_elf_link_hash_table_free (abfd);
d0c9aeb3
DM		 1196 return NULL;
1197 }
d495ab0d 1198 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
d0c9aeb3 1199
22b75d0a
DM		 1200 return &ret->elf.root;
1201}
1202
22b75d0a
DM		 1203/* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1204 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1205 hash table. */
1206
1207bfd_boolean
1208_bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1209 struct bfd_link_info *info)
1210{
1211 struct _bfd_sparc_elf_link_hash_table *htab;
1212
1213 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6
NC		 1214 BFD_ASSERT (htab != NULL);
1215
22b75d0a
DM		 1216 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1217 return FALSE;
1218
910600e9
RS		 1219 if (htab->is_vxworks)
1220 {
1221 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1222 return FALSE;
0e1862bb 1223 if (bfd_link_pic (info))
910600e9
RS		 1224 {
1225 htab->plt_header_size
1226 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1227 htab->plt_entry_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1229 }
1230 else
1231 {
1232 htab->plt_header_size
1233 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1234 htab->plt_entry_size
1235 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1236 }
1237 }
910600e9 1238
9d19e4fd
AM		 1239 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1240 || (!bfd_link_pic (info) && !htab->elf.srelbss))
22b75d0a
DM		 1241 abort ();
1242
1243 return TRUE;
1244}
1245
d0c9aeb3
DM		 1246static bfd_boolean
1247create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1248{
1249 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1250 struct elf_link_hash_table *htab = elf_hash_table (info);
1251 flagword flags, pltflags;
1252 asection *s;
1253
1254 if (htab->irelifunc != NULL || htab->iplt != NULL)
1255 return TRUE;
1256
1257 flags = bed->dynamic_sec_flags;
1258 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1259
1260 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1261 if (s == NULL
fd361982 1262 || !bfd_set_section_alignment (s, bed->plt_alignment))
d0c9aeb3
DM		 1263 return FALSE;
1264 htab->iplt = s;
1265
1266 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1267 flags | SEC_READONLY);
1268 if (s == NULL
fd361982 1269 || !bfd_set_section_alignment (s, bed->s->log_file_align))
d0c9aeb3
DM		 1270 return FALSE;
1271 htab->irelplt = s;
1272
1273 return TRUE;
1274}
1275
22b75d0a
DM		 1276/* Copy the extra info we tack onto an elf_link_hash_entry. */
1277
1278void
fcfa13d2 1279_bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
22b75d0a
DM		 1280 struct elf_link_hash_entry *dir,
1281 struct elf_link_hash_entry *ind)
1282{
1283 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1284
1285 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1286 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1287
190eb1dd 1288 if (ind->dyn_relocs != NULL)
22b75d0a 1289 {
190eb1dd 1290 if (dir->dyn_relocs != NULL)
22b75d0a 1291 {
3bf083ed
AM		 1292 struct elf_dyn_relocs **pp;
1293 struct elf_dyn_relocs *p;
22b75d0a 1294
fcfa13d2 1295 /* Add reloc counts against the indirect sym to the direct sym
22b75d0a 1296 list. Merge any entries against the same section. */
190eb1dd 1297 for (pp = &ind->dyn_relocs; (p = *pp) != NULL; )
22b75d0a 1298 {
3bf083ed 1299 struct elf_dyn_relocs *q;
22b75d0a 1300
190eb1dd 1301 for (q = dir->dyn_relocs; q != NULL; q = q->next)
22b75d0a
DM		 1302 if (q->sec == p->sec)
1303 {
1304 q->pc_count += p->pc_count;
1305 q->count += p->count;
1306 *pp = p->next;
1307 break;
1308 }
1309 if (q == NULL)
1310 pp = &p->next;
1311 }
190eb1dd 1312 *pp = dir->dyn_relocs;
22b75d0a
DM		 1313 }
1314
190eb1dd
L		 1315 dir->dyn_relocs = ind->dyn_relocs;
1316 ind->dyn_relocs = NULL;
22b75d0a
DM		 1317 }
1318
a8735c82 1319 if (ind->root.type == bfd_link_hash_indirect && dir->got.refcount <= 0)
22b75d0a
DM		 1320 {
1321 edir->tls_type = eind->tls_type;
1322 eind->tls_type = GOT_UNKNOWN;
1323 }
bb1dd176
QZ		 1324
1325 /* Copy has_got_reloc and has_non_got_reloc. */
1326 edir->has_got_reloc |= eind->has_got_reloc;
1327 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1328
fcfa13d2 1329 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
22b75d0a
DM		 1330}
1331
1332static int
1333sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1334 int r_type, int is_local)
1335{
1336 if (! ABI_64_P (abfd)
1337 && r_type == R_SPARC_TLS_GD_HI22
1338 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
c20c30f6 1339 return R_SPARC_REV32;
22b75d0a 1340
c20c30f6 1341 if (!bfd_link_executable (info))
22b75d0a
DM		 1342 return r_type;
1343
1344 switch (r_type)
1345 {
1346 case R_SPARC_TLS_GD_HI22:
c20c30f6 1347 return is_local ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_IE_HI22;
22b75d0a 1348 case R_SPARC_TLS_GD_LO10:
c20c30f6 1349 return is_local ? R_SPARC_TLS_LE_LOX10 : R_SPARC_TLS_IE_LO10;
22b75d0a
DM		 1350 case R_SPARC_TLS_LDM_HI22:
1351 return R_SPARC_TLS_LE_HIX22;
1352 case R_SPARC_TLS_LDM_LO10:
1353 return R_SPARC_TLS_LE_LOX10;
c20c30f6
EB		 1354 case R_SPARC_TLS_IE_HI22:
1355 return is_local ? R_SPARC_TLS_LE_HIX22 : r_type;
1356 case R_SPARC_TLS_IE_LO10:
1357 return is_local ? R_SPARC_TLS_LE_LOX10 : r_type;
22b75d0a
DM		 1358 }
1359
1360 return r_type;
1361}
1362\f
1363/* Look through the relocs for a section during the first phase, and
1364 allocate space in the global offset table or procedure linkage
1365 table. */
1366
1367bfd_boolean
1368_bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1369 asection *sec, const Elf_Internal_Rela *relocs)
1370{
1371 struct _bfd_sparc_elf_link_hash_table *htab;
1372 Elf_Internal_Shdr *symtab_hdr;
1373 struct elf_link_hash_entry **sym_hashes;
22b75d0a
DM		 1374 const Elf_Internal_Rela *rel;
1375 const Elf_Internal_Rela *rel_end;
1376 asection *sreloc;
1377 int num_relocs;
1378 bfd_boolean checked_tlsgd = FALSE;
1379
0e1862bb 1380 if (bfd_link_relocatable (info))
22b75d0a
DM		 1381 return TRUE;
1382
1383 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 1384 BFD_ASSERT (htab != NULL);
0ffa91dd 1385 symtab_hdr = &elf_symtab_hdr (abfd);
22b75d0a 1386 sym_hashes = elf_sym_hashes (abfd);
22b75d0a
DM		 1387
1388 sreloc = NULL;
1389
1390 if (ABI_64_P (abfd))
d4730f92 1391 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
22b75d0a
DM		 1392 else
1393 num_relocs = sec->reloc_count;
0ffa91dd
NC		 1394
1395 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1396
d0c9aeb3
DM		 1397 if (htab->elf.dynobj == NULL)
1398 htab->elf.dynobj = abfd;
1399 if (!create_ifunc_sections (htab->elf.dynobj, info))
1400 return FALSE;
1401
22b75d0a
DM		 1402 rel_end = relocs + num_relocs;
1403 for (rel = relocs; rel < rel_end; rel++)
1404 {
1405 unsigned int r_type;
d42c267e 1406 unsigned int r_symndx;
22b75d0a 1407 struct elf_link_hash_entry *h;
bb1dd176 1408 struct _bfd_sparc_elf_link_hash_entry *eh;
d0c9aeb3 1409 Elf_Internal_Sym *isym;
22b75d0a
DM		 1410
1411 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1412 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1413
1414 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1415 {
695344c0 1416 /* xgettext:c-format */
871b3ab2 1417 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
22b75d0a
DM		 1418 return FALSE;
1419 }
1420
d0c9aeb3 1421 isym = NULL;
22b75d0a 1422 if (r_symndx < symtab_hdr->sh_info)
d0c9aeb3
DM		 1423 {
1424 /* A local symbol. */
c20c30f6 1425 isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
d0c9aeb3
DM		 1426 if (isym == NULL)
1427 return FALSE;
1428
1429 /* Check relocation against local STT_GNU_IFUNC symbol. */
1430 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1431 {
c20c30f6 1432 h = elf_sparc_get_local_sym_hash (htab, abfd, rel, TRUE);
d0c9aeb3
DM		 1433 if (h == NULL)
1434 return FALSE;
68ffbac6 1435
d0c9aeb3
DM		 1436 /* Fake a STT_GNU_IFUNC symbol. */
1437 h->type = STT_GNU_IFUNC;
1438 h->def_regular = 1;
1439 h->ref_regular = 1;
1440 h->forced_local = 1;
1441 h->root.type = bfd_link_hash_defined;
1442 }
1443 else
1444 h = NULL;
1445 }
22b75d0a 1446 else
973a3492
L		 1447 {
1448 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1449 while (h->root.type == bfd_link_hash_indirect
1450 || h->root.type == bfd_link_hash_warning)
1451 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1452 }
22b75d0a 1453
c20c30f6 1454 if (h && h->type == STT_GNU_IFUNC && h->def_regular)
d0c9aeb3 1455 {
c20c30f6
EB		 1456 h->ref_regular = 1;
1457 h->plt.refcount += 1;
d0c9aeb3
DM		 1458 }
1459
22b75d0a
DM		 1460 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1461 with R_SPARC_TLS_GD_HI22. */
1462 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1463 switch (r_type)
1464 {
1465 case R_SPARC_TLS_GD_HI22:
1466 {
1467 const Elf_Internal_Rela *relt;
1468
1469 for (relt = rel + 1; relt < rel_end; relt++)
1470 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1471 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1472 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1473 break;
1474 checked_tlsgd = TRUE;
1475 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1476 }
1477 break;
1478 case R_SPARC_TLS_GD_LO10:
1479 case R_SPARC_TLS_GD_ADD:
1480 case R_SPARC_TLS_GD_CALL:
1481 checked_tlsgd = TRUE;
1482 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1483 break;
1484 }
1485
1486 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
bb1dd176
QZ		 1487 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1488
22b75d0a
DM		 1489 switch (r_type)
1490 {
1491 case R_SPARC_TLS_LDM_HI22:
1492 case R_SPARC_TLS_LDM_LO10:
1493 htab->tls_ldm_got.refcount += 1;
07d6d2b8
AM		 1494 if (eh != NULL)
1495 eh->has_got_reloc = 1;
22b75d0a
DM		 1496 break;
1497
1498 case R_SPARC_TLS_LE_HIX22:
1499 case R_SPARC_TLS_LE_LOX10:
c20c30f6 1500 if (!bfd_link_executable (info))
22b75d0a
DM		 1501 goto r_sparc_plt32;
1502 break;
1503
1504 case R_SPARC_TLS_IE_HI22:
1505 case R_SPARC_TLS_IE_LO10:
c20c30f6 1506 if (!bfd_link_executable (info))
22b75d0a
DM		 1507 info->flags |= DF_STATIC_TLS;
1508 /* Fall through */
1509
1510 case R_SPARC_GOT10:
1511 case R_SPARC_GOT13:
1512 case R_SPARC_GOT22:
739f7f82
DM		 1513 case R_SPARC_GOTDATA_HIX22:
1514 case R_SPARC_GOTDATA_LOX10:
1515 case R_SPARC_GOTDATA_OP_HIX22:
1516 case R_SPARC_GOTDATA_OP_LOX10:
22b75d0a
DM		 1517 case R_SPARC_TLS_GD_HI22:
1518 case R_SPARC_TLS_GD_LO10:
1519 /* This symbol requires a global offset table entry. */
1520 {
1521 int tls_type, old_tls_type;
1522
1523 switch (r_type)
1524 {
22b75d0a
DM		 1525 case R_SPARC_TLS_GD_HI22:
1526 case R_SPARC_TLS_GD_LO10:
1527 tls_type = GOT_TLS_GD;
1528 break;
1529 case R_SPARC_TLS_IE_HI22:
1530 case R_SPARC_TLS_IE_LO10:
1531 tls_type = GOT_TLS_IE;
1532 break;
c20c30f6
EB		 1533 default:
1534 tls_type = GOT_NORMAL;
1535 break;
22b75d0a
DM		 1536 }
1537
1538 if (h != NULL)
1539 {
1540 h->got.refcount += 1;
1541 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1542 }
1543 else
1544 {
1545 bfd_signed_vma *local_got_refcounts;
1546
1547 /* This is a global offset table entry for a local symbol. */
1548 local_got_refcounts = elf_local_got_refcounts (abfd);
1549 if (local_got_refcounts == NULL)
1550 {
1551 bfd_size_type size;
1552
1553 size = symtab_hdr->sh_info;
1554 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1555 local_got_refcounts = ((bfd_signed_vma *)
1556 bfd_zalloc (abfd, size));
1557 if (local_got_refcounts == NULL)
1558 return FALSE;
1559 elf_local_got_refcounts (abfd) = local_got_refcounts;
1560 _bfd_sparc_elf_local_got_tls_type (abfd)
1561 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1562 }
00c50991 1563
c20c30f6
EB		 1564 if (r_type != R_SPARC_GOTDATA_OP_HIX22
1565 && r_type != R_SPARC_GOTDATA_OP_LOX10)
1566 local_got_refcounts[r_symndx] += 1;
1567
f8745e1c
EB		 1568 old_tls_type
1569 = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
22b75d0a
DM		 1570 }
1571
f8745e1c
EB		 1572 /* If a TLS symbol is accessed using IE at least once, there is no
1573 point in using the dynamic model for it. */
c20c30f6 1574 if (old_tls_type != tls_type)
22b75d0a 1575 {
c20c30f6
EB		 1576 if (old_tls_type == GOT_UNKNOWN)
1577 ;
1578 else if (old_tls_type == GOT_TLS_GD && tls_type == GOT_TLS_IE)
1579 ;
1580 else if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
22b75d0a
DM		 1581 tls_type = old_tls_type;
1582 else
1583 {
4eca0228 1584 _bfd_error_handler
695344c0 1585 /* xgettext:c-format */
871b3ab2 1586 (_("%pB: `%s' accessed both as normal and thread local symbol"),
22b75d0a
DM		 1587 abfd, h ? h->root.root.string : "<local>");
1588 return FALSE;
1589 }
22b75d0a 1590
22b75d0a
DM		 1591 if (h != NULL)
1592 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1593 else
1594 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1595 }
1596 }
1597
c20c30f6
EB		 1598 if (!htab->elf.sgot
1599 && !_bfd_elf_create_got_section (htab->elf.dynobj, info))
1600 return FALSE;
bb1dd176 1601
07d6d2b8 1602 if (eh != NULL)
f8745e1c
EB		 1603 {
1604 eh->has_got_reloc = 1;
1605 if (r_type == R_SPARC_GOT10
1606 || r_type == R_SPARC_GOT13
1607 || r_type == R_SPARC_GOT22)
1608 eh->has_old_style_got_reloc = 1;
1609 }
22b75d0a
DM		 1610 break;
1611
1612 case R_SPARC_TLS_GD_CALL:
1613 case R_SPARC_TLS_LDM_CALL:
c20c30f6 1614 if (bfd_link_executable (info))
22b75d0a 1615 break;
c20c30f6
EB		 1616
1617 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1618 h = (struct elf_link_hash_entry *)
e513bd38 1619 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
c20c30f6 1620 FALSE, TRUE);
e513bd38 1621 BFD_ASSERT (h != NULL);
22b75d0a
DM		 1622 /* Fall through */
1623
22b75d0a 1624 case R_SPARC_WPLT30:
c20c30f6
EB		 1625 case R_SPARC_PLT32:
1626 case R_SPARC_PLT64:
22b75d0a
DM		 1627 case R_SPARC_HIPLT22:
1628 case R_SPARC_LOPLT10:
1629 case R_SPARC_PCPLT32:
1630 case R_SPARC_PCPLT22:
1631 case R_SPARC_PCPLT10:
c20c30f6
EB		 1632 /* This symbol requires a procedure linkage table entry.
1633 We actually build the entry in adjust_dynamic_symbol,
22b75d0a
DM		 1634 because this might be a case of linking PIC code without
1635 linking in any dynamic objects, in which case we don't
1636 need to generate a procedure linkage table after all. */
1637
1638 if (h == NULL)
1639 {
1640 if (! ABI_64_P (abfd))
1641 {
1642 /* The Solaris native assembler will generate a WPLT30
1643 reloc for a local symbol if you assemble a call from
1644 one section to another when using -K pic. We treat
1645 it as WDISP30. */
c20c30f6 1646 if (r_type == R_SPARC_PLT32)
22b75d0a
DM		 1647 goto r_sparc_plt32;
1648 break;
1649 }
af1fb11f
NC		 1650 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1651 else if (r_type == R_SPARC_WPLT30)
1652 break;
22b75d0a
DM		 1653
1654 /* It does not make sense to have a procedure linkage
07d6d2b8 1655 table entry for a local symbol. */
22b75d0a
DM		 1656 bfd_set_error (bfd_error_bad_value);
1657 return FALSE;
1658 }
1659
1660 h->needs_plt = 1;
1661
c20c30f6
EB		 1662 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
1663 goto r_sparc_plt32;
22b75d0a 1664
22b75d0a 1665 h->plt.refcount += 1;
bb1dd176 1666
07d6d2b8
AM		 1667 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1668 eh->has_got_reloc = 1;
22b75d0a
DM		 1669 break;
1670
1671 case R_SPARC_PC10:
1672 case R_SPARC_PC22:
1673 case R_SPARC_PC_HH22:
1674 case R_SPARC_PC_HM10:
1675 case R_SPARC_PC_LM22:
1676 if (h != NULL)
1677 h->non_got_ref = 1;
1678
1679 if (h != NULL
1680 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1681 break;
1682 /* Fall through. */
1683
1684 case R_SPARC_DISP8:
1685 case R_SPARC_DISP16:
1686 case R_SPARC_DISP32:
1687 case R_SPARC_DISP64:
1688 case R_SPARC_WDISP30:
1689 case R_SPARC_WDISP22:
1690 case R_SPARC_WDISP19:
1691 case R_SPARC_WDISP16:
2615994e 1692 case R_SPARC_WDISP10:
22b75d0a
DM		 1693 case R_SPARC_8:
1694 case R_SPARC_16:
1695 case R_SPARC_32:
1696 case R_SPARC_HI22:
1697 case R_SPARC_22:
1698 case R_SPARC_13:
1699 case R_SPARC_LO10:
1700 case R_SPARC_UA16:
1701 case R_SPARC_UA32:
1702 case R_SPARC_10:
1703 case R_SPARC_11:
1704 case R_SPARC_64:
1705 case R_SPARC_OLO10:
1706 case R_SPARC_HH22:
1707 case R_SPARC_HM10:
1708 case R_SPARC_LM22:
1709 case R_SPARC_7:
1710 case R_SPARC_5:
1711 case R_SPARC_6:
1712 case R_SPARC_HIX22:
1713 case R_SPARC_LOX10:
1714 case R_SPARC_H44:
1715 case R_SPARC_M44:
1716 case R_SPARC_L44:
2615994e 1717 case R_SPARC_H34:
22b75d0a
DM		 1718 case R_SPARC_UA64:
1719 if (h != NULL)
1720 h->non_got_ref = 1;
1721
07d6d2b8
AM		 1722 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1723 eh->has_non_got_reloc = 1;
bb1dd176 1724
22b75d0a 1725 r_sparc_plt32:
0e1862bb 1726 if (h != NULL && !bfd_link_pic (info))
22b75d0a
DM		 1727 {
1728 /* We may need a .plt entry if the function this reloc
1729 refers to is in a shared lib. */
1730 h->plt.refcount += 1;
1731 }
1732
1733 /* If we are creating a shared library, and this is a reloc
1734 against a global symbol, or a non PC relative reloc
1735 against a local symbol, then we need to copy the reloc
1736 into the shared library. However, if we are linking with
1737 -Bsymbolic, we do not need to copy a reloc against a
1738 global symbol which is defined in an object we are
1739 including in the link (i.e., DEF_REGULAR is set). At
1740 this point we have not seen all the input files, so it is
1741 possible that DEF_REGULAR is not set now but will be set
1742 later (it is never cleared). In case of a weak definition,
1743 DEF_REGULAR may be cleared later by a strong definition in
1744 a shared library. We account for that possibility below by
1745 storing information in the relocs_copied field of the hash
1746 table entry. A similar situation occurs when creating
1747 shared libraries and symbol visibility changes render the
1748 symbol local.
1749
1750 If on the other hand, we are creating an executable, we
1751 may need to keep relocations for symbols satisfied by a
1752 dynamic library if we manage to avoid copy relocs for the
1753 symbol. */
0e1862bb 1754 if ((bfd_link_pic (info)
22b75d0a
DM		 1755 && (sec->flags & SEC_ALLOC) != 0
1756 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1757 || (h != NULL
72fbc6e5 1758 && (! SYMBOLIC_BIND (info, h)
22b75d0a
DM		 1759 || h->root.type == bfd_link_hash_defweak
1760 || !h->def_regular))))
0e1862bb 1761 || (!bfd_link_pic (info)
22b75d0a
DM		 1762 && (sec->flags & SEC_ALLOC) != 0
1763 && h != NULL
1764 && (h->root.type == bfd_link_hash_defweak
d0c9aeb3 1765 || !h->def_regular))
0e1862bb 1766 || (!bfd_link_pic (info)
d0c9aeb3
DM		 1767 && h != NULL
1768 && h->type == STT_GNU_IFUNC))
22b75d0a 1769 {
3bf083ed
AM		 1770 struct elf_dyn_relocs *p;
1771 struct elf_dyn_relocs **head;
22b75d0a
DM		 1772
1773 /* When creating a shared object, we must copy these
1774 relocs into the output file. We create a reloc
1775 section in dynobj and make room for the reloc. */
1776 if (sreloc == NULL)
1777 {
83bac4b0
NC		 1778 sreloc = _bfd_elf_make_dynamic_reloc_section
1779 (sec, htab->elf.dynobj, htab->word_align_power,
1780 abfd, /*rela?*/ TRUE);
1781
22b75d0a 1782 if (sreloc == NULL)
83bac4b0 1783 return FALSE;
22b75d0a
DM		 1784 }
1785
1786 /* If this is a global symbol, we count the number of
1787 relocations we need for this symbol. */
1788 if (h != NULL)
190eb1dd 1789 head = &h->dyn_relocs;
22b75d0a
DM		 1790 else
1791 {
1792 /* Track dynamic relocs needed for local syms too.
1793 We really need local syms available to do this
1794 easily. Oh well. */
22b75d0a 1795 asection *s;
6edfbbad 1796 void *vpp;
22b75d0a 1797
d0c9aeb3 1798 BFD_ASSERT (isym != NULL);
87d72d41
AM		 1799 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1800 if (s == NULL)
1801 s = sec;
1802
6edfbbad 1803 vpp = &elf_section_data (s)->local_dynrel;
3bf083ed 1804 head = (struct elf_dyn_relocs **) vpp;
22b75d0a
DM		 1805 }
1806
1807 p = *head;
1808 if (p == NULL || p->sec != sec)
1809 {
986f0783 1810 size_t amt = sizeof *p;
3bf083ed 1811 p = ((struct elf_dyn_relocs *)
22b75d0a
DM		 1812 bfd_alloc (htab->elf.dynobj, amt));
1813 if (p == NULL)
1814 return FALSE;
1815 p->next = *head;
1816 *head = p;
1817 p->sec = sec;
1818 p->count = 0;
1819 p->pc_count = 0;
1820 }
1821
1822 p->count += 1;
1823 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1824 p->pc_count += 1;
1825 }
1826
1827 break;
1828
1829 case R_SPARC_GNU_VTINHERIT:
1830 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1831 return FALSE;
1832 break;
1833
1834 case R_SPARC_GNU_VTENTRY:
a0ea3a14 1835 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
22b75d0a
DM		 1836 return FALSE;
1837 break;
1838
1839 case R_SPARC_REGISTER:
1840 /* Nothing to do. */
1841 break;
1842
1843 default:
1844 break;
1845 }
1846 }
1847
1848 return TRUE;
1849}
1850\f
1851asection *
1852_bfd_sparc_elf_gc_mark_hook (asection *sec,
1853 struct bfd_link_info *info,
1854 Elf_Internal_Rela *rel,
1855 struct elf_link_hash_entry *h,
1856 Elf_Internal_Sym *sym)
1857{
1858 if (h != NULL)
07adf181 1859 switch (SPARC_ELF_R_TYPE (rel->r_info))
22b75d0a
DM		 1860 {
1861 case R_SPARC_GNU_VTINHERIT:
1862 case R_SPARC_GNU_VTENTRY:
07adf181 1863 return NULL;
22b75d0a 1864 }
22b75d0a 1865
c20c30f6 1866 if (!bfd_link_executable (info))
b45b6908
AM		 1867 {
1868 switch (SPARC_ELF_R_TYPE (rel->r_info))
1869 {
1870 case R_SPARC_TLS_GD_CALL:
1871 case R_SPARC_TLS_LDM_CALL:
1872 /* This reloc implicitly references __tls_get_addr. We know
1873 another reloc will reference the same symbol as the one
1874 on this reloc, so the real symbol and section will be
1875 gc marked when processing the other reloc. That lets
1876 us handle __tls_get_addr here. */
1877 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1878 FALSE, FALSE, TRUE);
1879 BFD_ASSERT (h != NULL);
1880 h->mark = 1;
60d67dc8
AM		 1881 if (h->is_weakalias)
1882 weakdef (h)->mark = 1;
b45b6908
AM		 1883 sym = NULL;
1884 }
1885 }
1886
07adf181 1887 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
22b75d0a
DM		 1888}
1889
abd242a9
DM		 1890static Elf_Internal_Rela *
1891sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1892 Elf_Internal_Rela *relend,
1893 bfd_vma offset)
1894{
1895 while (rel < relend)
1896 {
1897 if (rel->r_offset == offset)
1898 return rel;
1899 rel++;
1900 }
1901 return NULL;
1902}
1903
bb1dd176
QZ		 1904/* Remove undefined weak symbol from the dynamic symbol table if it
1905 is resolved to 0. */
1906
1907bfd_boolean
1908_bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
07d6d2b8 1909 struct elf_link_hash_entry *h)
bb1dd176
QZ		 1910{
1911 if (h->dynindx != -1
1912 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
07d6d2b8 1913 _bfd_sparc_elf_hash_entry (h)))
bb1dd176
QZ		 1914 {
1915 h->dynindx = -1;
1916 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
07d6d2b8 1917 h->dynstr_index);
bb1dd176
QZ		 1918 }
1919 return TRUE;
1920}
1921
63c1f59d
AM		 1922/* Find dynamic relocs for H that apply to read-only sections. */
1923
1924static asection *
1925readonly_dynrelocs (struct elf_link_hash_entry *h)
1926{
3bf083ed 1927 struct elf_dyn_relocs *p;
63c1f59d 1928
190eb1dd 1929 for (p = h->dyn_relocs; p != NULL; p = p->next)
63c1f59d
AM		 1930 {
1931 asection *s = p->sec->output_section;
1932
1933 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1934 return p->sec;
1935 }
1936 return NULL;
1937}
1938
22b75d0a
DM		 1939/* Adjust a symbol defined by a dynamic object and referenced by a
1940 regular object. The current definition is in some section of the
1941 dynamic object, but we're not including those sections. We have to
1942 change the definition to something the rest of the link can
1943 understand. */
1944
1945bfd_boolean
1946_bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1947 struct elf_link_hash_entry *h)
1948{
1949 struct _bfd_sparc_elf_link_hash_table *htab;
5474d94f 1950 asection *s, *srel;
22b75d0a
DM		 1951
1952 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 1953 BFD_ASSERT (htab != NULL);
22b75d0a
DM		 1954
1955 /* Make sure we know what is going on here. */
1956 BFD_ASSERT (htab->elf.dynobj != NULL
1957 && (h->needs_plt
d0c9aeb3 1958 || h->type == STT_GNU_IFUNC
60d67dc8 1959 || h->is_weakalias
22b75d0a
DM		 1960 || (h->def_dynamic
1961 && h->ref_regular
1962 && !h->def_regular)));
1963
1964 /* If this is a function, put it in the procedure linkage table. We
1965 will fill in the contents of the procedure linkage table later
1966 (although we could actually do it here). The STT_NOTYPE
1967 condition is a hack specifically for the Oracle libraries
1968 delivered for Solaris; for some inexplicable reason, they define
1969 some of their functions as STT_NOTYPE when they really should be
1970 STT_FUNC. */
1971 if (h->type == STT_FUNC
d0c9aeb3 1972 || h->type == STT_GNU_IFUNC
22b75d0a
DM		 1973 || h->needs_plt
1974 || (h->type == STT_NOTYPE
1975 && (h->root.type == bfd_link_hash_defined
1976 || h->root.type == bfd_link_hash_defweak)
1977 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1978 {
1979 if (h->plt.refcount <= 0
d0c9aeb3
DM		 1980 || (h->type != STT_GNU_IFUNC
1981 && (SYMBOL_CALLS_LOCAL (info, h)
a8735c82
EB		 1982 || (h->root.type == bfd_link_hash_undefweak
1983 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))))
22b75d0a
DM		 1984 {
1985 /* This case can occur if we saw a WPLT30 reloc in an input
1986 file, but the symbol was never referred to by a dynamic
1987 object, or if all references were garbage collected. In
1988 such a case, we don't actually need to build a procedure
1989 linkage table, and we can just do a WDISP30 reloc instead. */
1990 h->plt.offset = (bfd_vma) -1;
1991 h->needs_plt = 0;
1992 }
1993
1994 return TRUE;
1995 }
1996 else
1997 h->plt.offset = (bfd_vma) -1;
1998
1999 /* If this is a weak symbol, and there is a real definition, the
2000 processor independent code will have arranged for us to see the
2001 real definition first, and we can just use the same value. */
60d67dc8 2002 if (h->is_weakalias)
22b75d0a 2003 {
60d67dc8
AM		 2004 struct elf_link_hash_entry *def = weakdef (h);
2005 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2006 h->root.u.def.section = def->root.u.def.section;
2007 h->root.u.def.value = def->root.u.def.value;
22b75d0a
DM		 2008 return TRUE;
2009 }
2010
2011 /* This is a reference to a symbol defined by a dynamic object which
2012 is not a function. */
2013
2014 /* If we are creating a shared library, we must presume that the
2015 only references to the symbol are via the global offset table.
2016 For such cases we need not do anything here; the relocations will
2017 be handled correctly by relocate_section. */
0e1862bb 2018 if (bfd_link_pic (info))
22b75d0a
DM		 2019 return TRUE;
2020
2021 /* If there are no references to this symbol that do not use the
2022 GOT, we don't need to generate a copy reloc. */
2023 if (!h->non_got_ref)
2024 return TRUE;
2025
72fbc6e5
DM		 2026 /* If -z nocopyreloc was given, we won't generate them either. */
2027 if (info->nocopyreloc)
2028 {
2029 h->non_got_ref = 0;
2030 return TRUE;
2031 }
2032
3bf083ed 2033 /* If we don't find any dynamic relocs in read-only sections, then
22b75d0a 2034 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
3bf083ed 2035 if (!readonly_dynrelocs (h))
22b75d0a
DM		 2036 {
2037 h->non_got_ref = 0;
2038 return TRUE;
2039 }
2040
2041 /* We must allocate the symbol in our .dynbss section, which will
2042 become part of the .bss section of the executable. There will be
2043 an entry for this symbol in the .dynsym section. The dynamic
2044 object will contain position independent code, so all references
2045 from the dynamic object to this symbol will go through the global
2046 offset table. The dynamic linker will use the .dynsym entry to
2047 determine the address it must put in the global offset table, so
2048 both the dynamic object and the regular object will refer to the
2049 same memory location for the variable. */
2050
2051 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2052 to copy the initial value out of the dynamic object and into the
2053 runtime process image. We need to remember the offset into the
2054 .rel.bss section we are going to use. */
5474d94f
AM		 2055 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2056 {
2057 s = htab->elf.sdynrelro;
2058 srel = htab->elf.sreldynrelro;
2059 }
2060 else
2061 {
2062 s = htab->elf.sdynbss;
2063 srel = htab->elf.srelbss;
2064 }
1d7e9d18 2065 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
22b75d0a 2066 {
5474d94f 2067 srel->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a
DM		 2068 h->needs_copy = 1;
2069 }
2070
6cabe1ea 2071 return _bfd_elf_adjust_dynamic_copy (info, h, s);
22b75d0a
DM		 2072}
2073
2074/* Allocate space in .plt, .got and associated reloc sections for
2075 dynamic relocs. */
2076
2077static bfd_boolean
2c3fc389 2078allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
22b75d0a
DM		 2079{
2080 struct bfd_link_info *info;
2081 struct _bfd_sparc_elf_link_hash_table *htab;
2082 struct _bfd_sparc_elf_link_hash_entry *eh;
3bf083ed 2083 struct elf_dyn_relocs *p;
bb1dd176 2084 bfd_boolean resolved_to_zero;
22b75d0a
DM		 2085
2086 if (h->root.type == bfd_link_hash_indirect)
2087 return TRUE;
2088
22b75d0a
DM		 2089 info = (struct bfd_link_info *) inf;
2090 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 2091 BFD_ASSERT (htab != NULL);
22b75d0a 2092
bb1dd176
QZ		 2093 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2094 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2095
d0c9aeb3
DM		 2096 if ((htab->elf.dynamic_sections_created
2097 && h->plt.refcount > 0)
2098 || (h->type == STT_GNU_IFUNC
b48ca1d4
DM		 2099 && h->def_regular
2100 && h->ref_regular))
22b75d0a 2101 {
a8735c82
EB		 2102 /* Undefined weak syms won't yet be marked as dynamic. */
2103 if (h->root.type == bfd_link_hash_undefweak
07d6d2b8 2104 && !resolved_to_zero
a8735c82
EB		 2105 && h->dynindx == -1
2106 && !h->forced_local)
22b75d0a
DM		 2107 {
2108 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2109 return FALSE;
2110 }
2111
0e1862bb 2112 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
b48ca1d4
DM		 2113 || (h->type == STT_GNU_IFUNC
2114 && h->def_regular))
22b75d0a 2115 {
72fbc6e5 2116 asection *s = htab->elf.splt;
22b75d0a 2117
d0c9aeb3
DM		 2118 if (s == NULL)
2119 s = htab->elf.iplt;
2120
910600e9 2121 /* Allocate room for the header. */
22b75d0a 2122 if (s->size == 0)
910600e9
RS		 2123 {
2124 s->size = htab->plt_header_size;
2125
2126 /* Allocate space for the .rela.plt.unloaded relocations. */
0e1862bb 2127 if (htab->is_vxworks && !bfd_link_pic (info))
910600e9
RS		 2128 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2129 }
22b75d0a
DM		 2130
2131 /* The procedure linkage table size is bounded by the magnitude
2132 of the offset we can describe in the entry. */
2133 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
e8be8da4 2134 (((bfd_vma)1 << 31) << 1) : 0x400000))
22b75d0a
DM		 2135 {
2136 bfd_set_error (bfd_error_bad_value);
2137 return FALSE;
2138 }
2139
2140 if (SPARC_ELF_WORD_BYTES(htab) == 8
2141 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2142 {
2143 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2144
2145
2146 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2147
2148 h->plt.offset = (s->size - (off * 8));
2149 }
2150 else
2151 h->plt.offset = s->size;
2152
2153 /* If this symbol is not defined in a regular file, and we are
2154 not generating a shared library, then set the symbol to this
2155 location in the .plt. This is required to make function
2156 pointers compare as equal between the normal executable and
2157 the shared library. */
0e1862bb 2158 if (! bfd_link_pic (info)
22b75d0a
DM		 2159 && !h->def_regular)
2160 {
2161 h->root.u.def.section = s;
2162 h->root.u.def.value = h->plt.offset;
2163 }
2164
2165 /* Make room for this entry. */
910600e9 2166 s->size += htab->plt_entry_size;
22b75d0a 2167
07d6d2b8
AM		 2168 /* There should be no PLT relocations against resolved undefined
2169 weak symbols in the executable. */
2170 if (!resolved_to_zero)
2171 {
bb1dd176
QZ		 2172 /* We also need to make an entry in the .rela.plt section. */
2173 if (s == htab->elf.splt)
07d6d2b8 2174 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
bb1dd176 2175 else
07d6d2b8
AM		 2176 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2177 }
910600e9
RS		 2178
2179 if (htab->is_vxworks)
2180 {
2181 /* Allocate space for the .got.plt entry. */
72fbc6e5 2182 htab->elf.sgotplt->size += 4;
910600e9
RS		 2183
2184 /* ...and for the .rela.plt.unloaded relocations. */
0e1862bb 2185 if (!bfd_link_pic (info))
910600e9
RS		 2186 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2187 }
22b75d0a
DM		 2188 }
2189 else
2190 {
2191 h->plt.offset = (bfd_vma) -1;
2192 h->needs_plt = 0;
2193 }
2194 }
2195 else
2196 {
2197 h->plt.offset = (bfd_vma) -1;
2198 h->needs_plt = 0;
2199 }
2200
2201 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2202 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2203 if (h->got.refcount > 0
c20c30f6 2204 && bfd_link_executable (info)
22b75d0a
DM		 2205 && h->dynindx == -1
2206 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2207 h->got.offset = (bfd_vma) -1;
2208 else if (h->got.refcount > 0)
2209 {
2210 asection *s;
2211 bfd_boolean dyn;
2212 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2213
a8735c82
EB		 2214 /* Undefined weak syms won't yet be marked as dynamic. */
2215 if (h->root.type == bfd_link_hash_undefweak
07d6d2b8 2216 && !resolved_to_zero
a8735c82
EB		 2217 && h->dynindx == -1
2218 && !h->forced_local)
22b75d0a
DM		 2219 {
2220 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2221 return FALSE;
2222 }
2223
72fbc6e5 2224 s = htab->elf.sgot;
22b75d0a
DM		 2225 h->got.offset = s->size;
2226 s->size += SPARC_ELF_WORD_BYTES (htab);
2227 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2228 if (tls_type == GOT_TLS_GD)
2229 s->size += SPARC_ELF_WORD_BYTES (htab);
2230 dyn = htab->elf.dynamic_sections_created;
2231 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
a8735c82 2232 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
22b75d0a 2233 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
d0c9aeb3
DM		 2234 || tls_type == GOT_TLS_IE
2235 || h->type == STT_GNU_IFUNC)
72fbc6e5 2236 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a 2237 else if (tls_type == GOT_TLS_GD)
72fbc6e5 2238 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
a8735c82
EB		 2239 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
2240 /* Even if the symbol isn't dynamic, we may generate a
2241 reloc for the dynamic linker in PIC mode. */
2242 || (h->dynindx == -1
2243 && !h->forced_local
2244 && h->root.type != bfd_link_hash_undefweak
2245 && bfd_link_pic (info)))
2246 /* No dynamic relocations are needed against resolved
2247 undefined weak symbols in an executable. */
2248 && !(h->root.type == bfd_link_hash_undefweak
2249 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2250 || resolved_to_zero)))
72fbc6e5 2251 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a
DM		 2252 }
2253 else
2254 h->got.offset = (bfd_vma) -1;
2255
190eb1dd 2256 if (h->dyn_relocs == NULL)
22b75d0a
DM		 2257 return TRUE;
2258
2259 /* In the shared -Bsymbolic case, discard space allocated for
2260 dynamic pc-relative relocs against symbols which turn out to be
2261 defined in regular objects. For the normal shared case, discard
2262 space for pc-relative relocs that have become local due to symbol
2263 visibility changes. */
2264
0e1862bb 2265 if (bfd_link_pic (info))
22b75d0a 2266 {
72fbc6e5 2267 if (SYMBOL_CALLS_LOCAL (info, h))
22b75d0a 2268 {
3bf083ed 2269 struct elf_dyn_relocs **pp;
22b75d0a 2270
190eb1dd 2271 for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
22b75d0a
DM		 2272 {
2273 p->count -= p->pc_count;
2274 p->pc_count = 0;
2275 if (p->count == 0)
2276 *pp = p->next;
2277 else
2278 pp = &p->next;
2279 }
2280 }
22d606e9 2281
3348747a
NS		 2282 if (htab->is_vxworks)
2283 {
3bf083ed 2284 struct elf_dyn_relocs **pp;
3348747a 2285
190eb1dd 2286 for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
3348747a
NS		 2287 {
2288 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2289 *pp = p->next;
2290 else
2291 pp = &p->next;
2292 }
2293 }
2294
22d606e9 2295 /* Also discard relocs on undefined weak syms with non-default
bb1dd176 2296 visibility or in PIE. */
190eb1dd 2297 if (h->dyn_relocs != NULL
22d606e9
AM		 2298 && h->root.type == bfd_link_hash_undefweak)
2299 {
07d6d2b8 2300 /* An undefined weak symbol is never
bb1dd176
QZ		 2301 bound locally in a shared library. */
2302
2303 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
07d6d2b8
AM		 2304 || resolved_to_zero)
2305 {
2306 if (h->non_got_ref)
2307 {
2308 /* Keep dynamic non-GOT/non-PLT relocation so that we
2309 can branch to 0 without PLT. */
2310 struct elf_dyn_relocs **pp;
2311
190eb1dd 2312 for (pp = &h->dyn_relocs; (p = *pp) != NULL;)
07d6d2b8
AM		 2313 if (p->pc_count == 0)
2314 *pp = p->next;
2315 else
2316 {
2317 /* Remove other relocations. */
2318 p->count = p->pc_count;
2319 pp = &p->next;
2320 }
2321
190eb1dd 2322 if (h->dyn_relocs != NULL)
07d6d2b8
AM		 2323 {
2324 /* Make sure undefined weak symbols are output
2325 as dynamic symbols in PIEs for dynamic non-GOT
2326 non-PLT reloations. */
2327 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2328 return FALSE;
2329 }
2330 }
2331 else
190eb1dd 2332 h->dyn_relocs = NULL;
07d6d2b8 2333 }
22d606e9
AM		 2334
2335 /* Make sure undefined weak symbols are output as a dynamic
2336 symbol in PIEs. */
2337 else if (h->dynindx == -1
2338 && !h->forced_local)
2339 {
2340 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2341 return FALSE;
2342 }
2343 }
22b75d0a
DM		 2344 }
2345 else
2346 {
2347 /* For the non-shared case, discard space for relocs against
2348 symbols which turn out to need copy relocs or are not
2349 dynamic. */
2350
bb1dd176 2351 if ((!h->non_got_ref
07d6d2b8
AM		 2352 || (h->root.type == bfd_link_hash_undefweak
2353 && !resolved_to_zero))
22b75d0a
DM		 2354 && ((h->def_dynamic
2355 && !h->def_regular)
2356 || (htab->elf.dynamic_sections_created
2357 && (h->root.type == bfd_link_hash_undefweak
2358 || h->root.type == bfd_link_hash_undefined))))
2359 {
a8735c82
EB		 2360 /* Undefined weak syms won't yet be marked as dynamic. */
2361 if (h->root.type == bfd_link_hash_undefweak
07d6d2b8 2362 && !resolved_to_zero
a8735c82
EB		 2363 && h->dynindx == -1
2364 && !h->forced_local)
22b75d0a
DM		 2365 {
2366 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2367 return FALSE;
2368 }
2369
2370 /* If that succeeded, we know we'll be keeping all the
2371 relocs. */
2372 if (h->dynindx != -1)
2373 goto keep;
2374 }
2375
190eb1dd 2376 h->dyn_relocs = NULL;
22b75d0a
DM		 2377
2378 keep: ;
2379 }
2380
2381 /* Finally, allocate space. */
190eb1dd 2382 for (p = h->dyn_relocs; p != NULL; p = p->next)
22b75d0a
DM		 2383 {
2384 asection *sreloc = elf_section_data (p->sec)->sreloc;
2385 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2386 }
2387
2388 return TRUE;
2389}
2390
d0c9aeb3
DM		 2391/* Allocate space in .plt, .got and associated reloc sections for
2392 local dynamic relocs. */
2393
2394static bfd_boolean
2395allocate_local_dynrelocs (void **slot, void *inf)
2396{
2397 struct elf_link_hash_entry *h
2398 = (struct elf_link_hash_entry *) *slot;
2399
2400 if (h->type != STT_GNU_IFUNC
2401 || !h->def_regular
2402 || !h->ref_regular
2403 || !h->forced_local
2404 || h->root.type != bfd_link_hash_defined)
2405 abort ();
2406
2407 return allocate_dynrelocs (h, inf);
2408}
2409
63c1f59d
AM		 2410/* Set DF_TEXTREL if we find any dynamic relocs that apply to
2411 read-only sections. */
22b75d0a
DM		 2412
2413static bfd_boolean
63c1f59d 2414maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
22b75d0a 2415{
63c1f59d 2416 asection *sec;
22b75d0a 2417
63c1f59d
AM		 2418 if (h->root.type == bfd_link_hash_indirect)
2419 return TRUE;
22b75d0a 2420
63c1f59d
AM		 2421 sec = readonly_dynrelocs (h);
2422 if (sec != NULL)
2423 {
2424 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
22b75d0a 2425
63c1f59d
AM		 2426 info->flags |= DF_TEXTREL;
2427 info->callbacks->minfo
c1c8c1ef 2428 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
63c1f59d 2429 sec->owner, h->root.root.string, sec);
f0f07ad1 2430
63c1f59d
AM		 2431 /* Not an error, just cut short the traversal. */
2432 return FALSE;
22b75d0a
DM		 2433 }
2434 return TRUE;
2435}
2436
2437/* Return true if the dynamic symbol for a given section should be
2438 omitted when creating a shared library. */
2439
2440bfd_boolean
2441_bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2442 struct bfd_link_info *info,
2443 asection *p)
2444{
2445 /* We keep the .got section symbol so that explicit relocations
2446 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2447 can be turned into relocations against the .got symbol. */
2448 if (strcmp (p->name, ".got") == 0)
2449 return FALSE;
2450
d00dd7dc 2451 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
22b75d0a
DM		 2452}
2453
2454/* Set the sizes of the dynamic sections. */
2455
2456bfd_boolean
2457_bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2458 struct bfd_link_info *info)
2459{
2460 struct _bfd_sparc_elf_link_hash_table *htab;
2461 bfd *dynobj;
2462 asection *s;
2463 bfd *ibfd;
2464
2465 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 2466 BFD_ASSERT (htab != NULL);
22b75d0a
DM		 2467 dynobj = htab->elf.dynobj;
2468 BFD_ASSERT (dynobj != NULL);
2469
2470 if (elf_hash_table (info)->dynamic_sections_created)
2471 {
2472 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 2473 if (bfd_link_executable (info) && !info->nointerp)
07d6d2b8
AM		 2474 {
2475 s = bfd_get_linker_section (dynobj, ".interp");
2476 BFD_ASSERT (s != NULL);
2477 s->size = htab->dynamic_interpreter_size;
2478 s->contents = (unsigned char *) htab->dynamic_interpreter;
2479 htab->interp = s;
2480 }
22b75d0a
DM		 2481 }
2482
2483 /* Set up .got offsets for local syms, and space for local dynamic
2484 relocs. */
c72f2fb2 2485 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
22b75d0a
DM		 2486 {
2487 bfd_signed_vma *local_got;
2488 bfd_signed_vma *end_local_got;
2489 char *local_tls_type;
2490 bfd_size_type locsymcount;
2491 Elf_Internal_Shdr *symtab_hdr;
2492 asection *srel;
2493
0ffa91dd 2494 if (! is_sparc_elf (ibfd))
22b75d0a
DM		 2495 continue;
2496
2497 for (s = ibfd->sections; s != NULL; s = s->next)
2498 {
3bf083ed 2499 struct elf_dyn_relocs *p;
22b75d0a 2500
6edfbbad 2501 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
22b75d0a
DM		 2502 {
2503 if (!bfd_is_abs_section (p->sec)
2504 && bfd_is_abs_section (p->sec->output_section))
2505 {
2506 /* Input section has been discarded, either because
2507 it is a copy of a linkonce section or due to
2508 linker script /DISCARD/, so we'll be discarding
2509 the relocs too. */
2510 }
3348747a
NS		 2511 else if (htab->is_vxworks
2512 && strcmp (p->sec->output_section->name,
2513 ".tls_vars") == 0)
2514 {
2515 /* Relocations in vxworks .tls_vars sections are
2516 handled specially by the loader. */
2517 }
22b75d0a
DM		 2518 else if (p->count != 0)
2519 {
2520 srel = elf_section_data (p->sec)->sreloc;
d0c9aeb3
DM		 2521 if (!htab->elf.dynamic_sections_created)
2522 srel = htab->elf.irelplt;
22b75d0a
DM		 2523 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2524 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
f0f07ad1
L		 2525 {
2526 info->flags |= DF_TEXTREL;
871b3ab2 2527 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
f0f07ad1
L		 2528 p->sec->owner, p->sec);
2529 }
22b75d0a
DM		 2530 }
2531 }
2532 }
2533
2534 local_got = elf_local_got_refcounts (ibfd);
2535 if (!local_got)
2536 continue;
2537
0ffa91dd 2538 symtab_hdr = &elf_symtab_hdr (ibfd);
22b75d0a
DM		 2539 locsymcount = symtab_hdr->sh_info;
2540 end_local_got = local_got + locsymcount;
2541 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
72fbc6e5
DM		 2542 s = htab->elf.sgot;
2543 srel = htab->elf.srelgot;
22b75d0a
DM		 2544 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2545 {
2546 if (*local_got > 0)
2547 {
2548 *local_got = s->size;
2549 s->size += SPARC_ELF_WORD_BYTES (htab);
2550 if (*local_tls_type == GOT_TLS_GD)
2551 s->size += SPARC_ELF_WORD_BYTES (htab);
0e1862bb 2552 if (bfd_link_pic (info)
22b75d0a
DM		 2553 || *local_tls_type == GOT_TLS_GD
2554 || *local_tls_type == GOT_TLS_IE)
2555 srel->size += SPARC_ELF_RELA_BYTES (htab);
2556 }
2557 else
2558 *local_got = (bfd_vma) -1;
2559 }
2560 }
2561
2562 if (htab->tls_ldm_got.refcount > 0)
2563 {
2564 /* Allocate 2 got entries and 1 dynamic reloc for
2565 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
72fbc6e5
DM		 2566 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2567 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2568 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a
DM		 2569 }
2570 else
2571 htab->tls_ldm_got.offset = -1;
2572
2573 /* Allocate global sym .plt and .got entries, and space for global
2574 sym dynamic relocs. */
2c3fc389 2575 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
22b75d0a 2576
d0c9aeb3
DM		 2577 /* Allocate .plt and .got entries, and space for local symbols. */
2578 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2579
0fc9967d
JM		 2580 if (! ABI_64_P (output_bfd)
2581 && !htab->is_vxworks
22b75d0a
DM		 2582 && elf_hash_table (info)->dynamic_sections_created)
2583 {
0fc9967d
JM		 2584 /* Make space for the trailing nop in .plt. */
2585 if (htab->elf.splt->size > 0)
2586 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
22b75d0a
DM		 2587
2588 /* If the .got section is more than 0x1000 bytes, we add
2589 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
0fc9967d
JM		 2590 bit relocations have a greater chance of working.
2591
2592 FIXME: Make this optimization work for 64-bit too. */
72fbc6e5 2593 if (htab->elf.sgot->size >= 0x1000
22b75d0a
DM		 2594 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2595 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2596 }
2597
2598 /* The check_relocs and adjust_dynamic_symbol entry points have
2599 determined the sizes of the various dynamic sections. Allocate
2600 memory for them. */
2601 for (s = dynobj->sections; s != NULL; s = s->next)
2602 {
22b75d0a
DM		 2603 if ((s->flags & SEC_LINKER_CREATED) == 0)
2604 continue;
2605
72fbc6e5
DM		 2606 if (s == htab->elf.splt
2607 || s == htab->elf.sgot
9d19e4fd 2608 || s == htab->elf.sdynbss
5474d94f 2609 || s == htab->elf.sdynrelro
d0c9aeb3 2610 || s == htab->elf.iplt
72fbc6e5 2611 || s == htab->elf.sgotplt)
22b75d0a 2612 {
c456f082
AM		 2613 /* Strip this section if we don't need it; see the
2614 comment below. */
2615 }
0112cd26 2616 else if (CONST_STRNEQ (s->name, ".rela"))
c456f082
AM		 2617 {
2618 if (s->size != 0)
22b75d0a
DM		 2619 {
2620 /* We use the reloc_count field as a counter if we need
2621 to copy relocs into the output file. */
2622 s->reloc_count = 0;
2623 }
2624 }
c456f082 2625 else
22b75d0a 2626 {
c456f082 2627 /* It's not one of our sections. */
22b75d0a
DM		 2628 continue;
2629 }
2630
c456f082 2631 if (s->size == 0)
22b75d0a 2632 {
c456f082
AM		 2633 /* If we don't need this section, strip it from the
2634 output file. This is mostly to handle .rela.bss and
2635 .rela.plt. We must create both sections in
2636 create_dynamic_sections, because they must be created
2637 before the linker maps input sections to output
2638 sections. The linker does that before
2639 adjust_dynamic_symbol is called, and it is that
2640 function which decides whether anything needs to go
2641 into these sections. */
8423293d 2642 s->flags |= SEC_EXCLUDE;
22b75d0a
DM		 2643 continue;
2644 }
2645
c456f082
AM		 2646 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2647 continue;
2648
22b75d0a
DM		 2649 /* Allocate memory for the section contents. Zero the memory
2650 for the benefit of .rela.plt, which has 4 unused entries
2651 at the beginning, and we don't want garbage. */
2652 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
c456f082 2653 if (s->contents == NULL)
22b75d0a
DM		 2654 return FALSE;
2655 }
2656
2657 if (elf_hash_table (info)->dynamic_sections_created)
2658 {
2659 /* Add some entries to the .dynamic section. We fill in the
2660 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2661 must add the entries now so that we get the correct size for
2662 the .dynamic section. The DT_DEBUG entry is filled in by the
2663 dynamic linker and used by the debugger. */
2664#define add_dynamic_entry(TAG, VAL) \
2665 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2666
0e1862bb 2667 if (bfd_link_executable (info))
22b75d0a
DM		 2668 {
2669 if (!add_dynamic_entry (DT_DEBUG, 0))
2670 return FALSE;
2671 }
2672
72fbc6e5 2673 if (htab->elf.srelplt->size != 0)
22b75d0a
DM		 2674 {
2675 if (!add_dynamic_entry (DT_PLTGOT, 0)
2676 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2677 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2678 || !add_dynamic_entry (DT_JMPREL, 0))
2679 return FALSE;
2680 }
2681
2682 if (!add_dynamic_entry (DT_RELA, 0)
2683 || !add_dynamic_entry (DT_RELASZ, 0)
2684 || !add_dynamic_entry (DT_RELAENT,
2685 SPARC_ELF_RELA_BYTES (htab)))
2686 return FALSE;
2687
2688 /* If any dynamic relocs apply to a read-only section,
2689 then we need a DT_TEXTREL entry. */
2690 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 2691 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
22b75d0a
DM		 2692
2693 if (info->flags & DF_TEXTREL)
2694 {
2695 if (!add_dynamic_entry (DT_TEXTREL, 0))
2696 return FALSE;
2697 }
2698
2699 if (ABI_64_P (output_bfd))
2700 {
2701 int reg;
2702 struct _bfd_sparc_elf_app_reg * app_regs;
2703 struct elf_strtab_hash *dynstr;
2704 struct elf_link_hash_table *eht = elf_hash_table (info);
2705
2706 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2707 entries if needed. */
2708 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2709 dynstr = eht->dynstr;
2710
2711 for (reg = 0; reg < 4; reg++)
2712 if (app_regs [reg].name != NULL)
2713 {
2714 struct elf_link_local_dynamic_entry *entry, *e;
2715
2716 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2717 return FALSE;
2718
2719 entry = (struct elf_link_local_dynamic_entry *)
2720 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2721 if (entry == NULL)
2722 return FALSE;
2723
2724 /* We cheat here a little bit: the symbol will not be local, so we
2725 put it at the end of the dynlocal linked list. We will fix it
2726 later on, as we have to fix other fields anyway. */
2727 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2728 entry->isym.st_size = 0;
2729 if (*app_regs [reg].name != '\0')
2730 entry->isym.st_name
2731 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2732 else
2733 entry->isym.st_name = 0;
2734 entry->isym.st_other = 0;
2735 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2736 STT_REGISTER);
2737 entry->isym.st_shndx = app_regs [reg].shndx;
35fc36a8 2738 entry->isym.st_target_internal = 0;
22b75d0a
DM		 2739 entry->next = NULL;
2740 entry->input_bfd = output_bfd;
2741 entry->input_indx = -1;
2742
2743 if (eht->dynlocal == NULL)
2744 eht->dynlocal = entry;
2745 else
2746 {
2747 for (e = eht->dynlocal; e->next; e = e->next)
2748 ;
2749 e->next = entry;
2750 }
2751 eht->dynsymcount++;
2752 }
2753 }
7a2b07ff
NS		 2754 if (htab->is_vxworks
2755 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2756 return FALSE;
22b75d0a
DM		 2757 }
2758#undef add_dynamic_entry
2759
2760 return TRUE;
2761}
2762\f
2763bfd_boolean
2764_bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2765{
f592407e
AM		 2766 if (!sec->used_by_bfd)
2767 {
2768 struct _bfd_sparc_elf_section_data *sdata;
986f0783 2769 size_t amt = sizeof (*sdata);
22b75d0a 2770
f592407e
AM		 2771 sdata = bfd_zalloc (abfd, amt);
2772 if (sdata == NULL)
2773 return FALSE;
2774 sec->used_by_bfd = sdata;
2775 }
22b75d0a
DM		 2776
2777 return _bfd_elf_new_section_hook (abfd, sec);
2778}
2779
2780bfd_boolean
2781_bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2782 struct bfd_section *section,
2783 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2784 bfd_boolean *again)
2785{
0e1862bb 2786 if (bfd_link_relocatable (link_info))
c8a1f254
NS		 2787 (*link_info->callbacks->einfo)
2788 (_("%P%F: --relax and -r may not be used together\n"));
2789
22b75d0a
DM		 2790 *again = FALSE;
2791 sec_do_relax (section) = 1;
2792 return TRUE;
2793}
2794\f
2795/* Return the base VMA address which should be subtracted from real addresses
2796 when resolving @dtpoff relocation.
2797 This is PT_TLS segment p_vaddr. */
2798
2799static bfd_vma
2800dtpoff_base (struct bfd_link_info *info)
2801{
2802 /* If tls_sec is NULL, we should have signalled an error already. */
2803 if (elf_hash_table (info)->tls_sec == NULL)
2804 return 0;
2805 return elf_hash_table (info)->tls_sec->vma;
2806}
2807
2808/* Return the relocation value for @tpoff relocation
2809 if STT_TLS virtual address is ADDRESS. */
2810
2811static bfd_vma
2812tpoff (struct bfd_link_info *info, bfd_vma address)
2813{
2814 struct elf_link_hash_table *htab = elf_hash_table (info);
1360ba76
RO		 2815 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2816 bfd_vma static_tls_size;
22b75d0a
DM		 2817
2818 /* If tls_sec is NULL, we should have signalled an error already. */
2819 if (htab->tls_sec == NULL)
2820 return 0;
1360ba76
RO		 2821
2822 /* Consider special static TLS alignment requirements. */
2823 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2824 return address - static_tls_size - htab->tls_sec->vma;
22b75d0a
DM		 2825}
2826
00c50991
DM		 2827/* Return the relocation value for a %gdop relocation. */
2828
2829static bfd_vma
2830gdopoff (struct bfd_link_info *info, bfd_vma address)
2831{
2832 struct elf_link_hash_table *htab = elf_hash_table (info);
2833 bfd_vma got_base;
2834
2835 got_base = (htab->hgot->root.u.def.value
2836 + htab->hgot->root.u.def.section->output_offset
2837 + htab->hgot->root.u.def.section->output_section->vma);
2838
2839 return address - got_base;
2840}
2841
5b86074c
AM		 2842/* Return whether H is local and its ADDRESS is within 4G of
2843 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2844 sethi, xor sequence. */
2845
2846static bfd_boolean
2847gdop_relative_offset_ok (struct bfd_link_info *info,
2848 struct elf_link_hash_entry *h,
2849 bfd_vma address ATTRIBUTE_UNUSED)
2850{
2851 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2852 return FALSE;
2853 /* If H is undefined, ADDRESS will be zero. We can't allow a
2854 relative offset to "zero" when producing PIEs or shared libs.
2855 Note that to get here with an undefined symbol it must also be
2856 hidden or internal visibility. */
2857 if (bfd_link_pic (info)
2858 && h != NULL
2859 && (h->root.type == bfd_link_hash_undefweak
2860 || h->root.type == bfd_link_hash_undefined))
2861 return FALSE;
2862#ifdef BFD64
2863 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2864#else
2865 return TRUE;
2866#endif
2867}
2868
22b75d0a
DM		 2869/* Relocate a SPARC ELF section. */
2870
2871bfd_boolean
ab96bf03
AM		 2872_bfd_sparc_elf_relocate_section (bfd *output_bfd,
2873 struct bfd_link_info *info,
2874 bfd *input_bfd,
2875 asection *input_section,
2876 bfd_byte *contents,
2877 Elf_Internal_Rela *relocs,
2878 Elf_Internal_Sym *local_syms,
2879 asection **local_sections)
22b75d0a
DM		 2880{
2881 struct _bfd_sparc_elf_link_hash_table *htab;
2882 Elf_Internal_Shdr *symtab_hdr;
2883 struct elf_link_hash_entry **sym_hashes;
2884 bfd_vma *local_got_offsets;
2885 bfd_vma got_base;
2886 asection *sreloc;
2887 Elf_Internal_Rela *rel;
2888 Elf_Internal_Rela *relend;
2889 int num_relocs;
3348747a 2890 bfd_boolean is_vxworks_tls;
22b75d0a 2891
22b75d0a 2892 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 2893 BFD_ASSERT (htab != NULL);
0ffa91dd 2894 symtab_hdr = &elf_symtab_hdr (input_bfd);
22b75d0a
DM		 2895 sym_hashes = elf_sym_hashes (input_bfd);
2896 local_got_offsets = elf_local_got_offsets (input_bfd);
2897
2898 if (elf_hash_table (info)->hgot == NULL)
2899 got_base = 0;
2900 else
2901 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2902
2903 sreloc = elf_section_data (input_section)->sreloc;
3348747a
NS		 2904 /* We have to handle relocations in vxworks .tls_vars sections
2905 specially, because the dynamic loader is 'weird'. */
0e1862bb 2906 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
3348747a
NS		 2907 && !strcmp (input_section->output_section->name,
2908 ".tls_vars"));
22b75d0a
DM		 2909
2910 rel = relocs;
2911 if (ABI_64_P (output_bfd))
d4730f92 2912 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
22b75d0a
DM		 2913 else
2914 num_relocs = input_section->reloc_count;
2915 relend = relocs + num_relocs;
2916 for (; rel < relend; rel++)
2917 {
2918 int r_type, tls_type;
2919 reloc_howto_type *howto;
2920 unsigned long r_symndx;
2921 struct elf_link_hash_entry *h;
bb1dd176 2922 struct _bfd_sparc_elf_link_hash_entry *eh;
22b75d0a
DM		 2923 Elf_Internal_Sym *sym;
2924 asection *sec;
2925 bfd_vma relocation, off;
2926 bfd_reloc_status_type r;
2927 bfd_boolean is_plt = FALSE;
2928 bfd_boolean unresolved_reloc;
bb1dd176 2929 bfd_boolean resolved_to_zero;
ec1acaba 2930 bfd_boolean relative_reloc;
22b75d0a
DM		 2931
2932 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2933 if (r_type == R_SPARC_GNU_VTINHERIT
2934 || r_type == R_SPARC_GNU_VTENTRY)
2935 continue;
2936
2937 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2938 {
2939 bfd_set_error (bfd_error_bad_value);
2940 return FALSE;
2941 }
22b75d0a 2942
c20c30f6 2943 howto = _bfd_sparc_elf_howto_table + r_type;
22b75d0a
DM		 2944 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2945 h = NULL;
2946 sym = NULL;
2947 sec = NULL;
2948 unresolved_reloc = FALSE;
2949 if (r_symndx < symtab_hdr->sh_info)
2950 {
2951 sym = local_syms + r_symndx;
2952 sec = local_sections[r_symndx];
2953 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
d0c9aeb3 2954
0e1862bb 2955 if (!bfd_link_relocatable (info)
d0c9aeb3
DM		 2956 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2957 {
2958 /* Relocate against local STT_GNU_IFUNC symbol. */
2959 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2960 rel, FALSE);
2961 if (h == NULL)
2962 abort ();
2963
68ffbac6 2964 /* Set STT_GNU_IFUNC symbol value. */
d0c9aeb3
DM		 2965 h->root.u.def.value = sym->st_value;
2966 h->root.u.def.section = sec;
2967 }
22b75d0a
DM		 2968 }
2969 else
2970 {
62d887d4 2971 bfd_boolean warned, ignored;
22b75d0a
DM		 2972
2973 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2974 r_symndx, symtab_hdr, sym_hashes,
2975 h, sec, relocation,
62d887d4 2976 unresolved_reloc, warned, ignored);
22b75d0a
DM		 2977 if (warned)
2978 {
2979 /* To avoid generating warning messages about truncated
2980 relocations, set the relocation's address to be the same as
2981 the start of this section. */
2982 if (input_section->output_section != NULL)
2983 relocation = input_section->output_section->vma;
2984 else
2985 relocation = 0;
2986 }
2987 }
2988
dbaa2011 2989 if (sec != NULL && discarded_section (sec))
e4067dbb 2990 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2991 rel, 1, relend, howto, 0, contents);
ab96bf03 2992
0e1862bb 2993 if (bfd_link_relocatable (info))
ab96bf03
AM		 2994 continue;
2995
d0c9aeb3
DM		 2996 if (h != NULL
2997 && h->type == STT_GNU_IFUNC
2998 && h->def_regular)
2999 {
3000 asection *plt_sec;
3001 const char *name;
3002
3003 if ((input_section->flags & SEC_ALLOC) == 0
3004 || h->plt.offset == (bfd_vma) -1)
f657f8c4
NC		 3005 {
3006 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3007 STT_GNU_IFUNC symbol as STT_FUNC. */
3008 if (elf_section_type (input_section) == SHT_NOTE)
3009 goto skip_ifunc;
3010 abort ();
3011 }
d0c9aeb3
DM		 3012
3013 plt_sec = htab->elf.splt;
3014 if (! plt_sec)
3015 plt_sec =htab->elf.iplt;
3016
3017 switch (r_type)
3018 {
00c50991
DM		 3019 case R_SPARC_GOTDATA_OP:
3020 continue;
3021
d0c9aeb3
DM		 3022 case R_SPARC_GOTDATA_OP_HIX22:
3023 case R_SPARC_GOTDATA_OP_LOX10:
00c50991
DM		 3024 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3025 ? R_SPARC_GOT22
3026 : R_SPARC_GOT10);
3027 howto = _bfd_sparc_elf_howto_table + r_type;
3028 /* Fall through. */
3029
d0c9aeb3
DM		 3030 case R_SPARC_GOT10:
3031 case R_SPARC_GOT13:
3032 case R_SPARC_GOT22:
3033 if (htab->elf.sgot == NULL)
3034 abort ();
3035 off = h->got.offset;
3036 if (off == (bfd_vma) -1)
3037 abort();
3038 relocation = htab->elf.sgot->output_offset + off - got_base;
3039 goto do_relocation;
3040
3041 case R_SPARC_WPLT30:
3042 case R_SPARC_WDISP30:
3043 relocation = (plt_sec->output_section->vma
3044 + plt_sec->output_offset + h->plt.offset);
3045 goto do_relocation;
3046
3047 case R_SPARC_32:
3048 case R_SPARC_64:
0e1862bb 3049 if (bfd_link_pic (info) && h->non_got_ref)
d0c9aeb3
DM		 3050 {
3051 Elf_Internal_Rela outrel;
3052 bfd_vma offset;
3053
3054 offset = _bfd_elf_section_offset (output_bfd, info,
3055 input_section,
3056 rel->r_offset);
3057 if (offset == (bfd_vma) -1
3058 || offset == (bfd_vma) -2)
3059 abort();
3060
3061 outrel.r_offset = (input_section->output_section->vma
3062 + input_section->output_offset
3063 + offset);
3064
3065 if (h->dynindx == -1
3066 || h->forced_local
0e1862bb 3067 || bfd_link_executable (info))
d0c9aeb3
DM		 3068 {
3069 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3070 0, R_SPARC_IRELATIVE);
3071 outrel.r_addend = relocation + rel->r_addend;
3072 }
3073 else
3074 {
3075 if (h->dynindx == -1)
3076 abort();
3077 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3078 outrel.r_addend = rel->r_addend;
3079 }
3080
3081 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3082 continue;
3083 }
3084
3085 relocation = (plt_sec->output_section->vma
3086 + plt_sec->output_offset + h->plt.offset);
3087 goto do_relocation;
3088
3089 case R_SPARC_HI22:
3090 case R_SPARC_LO10:
3091 /* We should only see such relocs in static links. */
0e1862bb 3092 if (bfd_link_pic (info))
d0c9aeb3
DM		 3093 abort();
3094 relocation = (plt_sec->output_section->vma
3095 + plt_sec->output_offset + h->plt.offset);
3096 goto do_relocation;
3097
3098 default:
3099 if (h->root.root.string)
3100 name = h->root.root.string;
3101 else
3102 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3103 NULL);
4eca0228 3104 _bfd_error_handler
695344c0 3105 /* xgettext:c-format */
871b3ab2 3106 (_("%pB: relocation %s against STT_GNU_IFUNC "
d0c9aeb3
DM		 3107 "symbol `%s' isn't handled by %s"), input_bfd,
3108 _bfd_sparc_elf_howto_table[r_type].name,
3109 name, __FUNCTION__);
3110 bfd_set_error (bfd_error_bad_value);
3111 return FALSE;
3112 }
3113 }
3114
f657f8c4 3115 skip_ifunc:
bb1dd176 3116 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
c20c30f6 3117 resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
bb1dd176 3118
22b75d0a
DM		 3119 switch (r_type)
3120 {
739f7f82
DM		 3121 case R_SPARC_GOTDATA_OP_HIX22:
3122 case R_SPARC_GOTDATA_OP_LOX10:
5b86074c 3123 if (gdop_relative_offset_ok (info, h, relocation))
cc133f9f
JC		 3124 {
3125 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3126 ? R_SPARC_GOTDATA_HIX22
3127 : R_SPARC_GOTDATA_LOX10);
3128 howto = _bfd_sparc_elf_howto_table + r_type;
3129 }
00c50991
DM		 3130 break;
3131
3132 case R_SPARC_GOTDATA_OP:
5b86074c 3133 if (gdop_relative_offset_ok (info, h, relocation))
00c50991
DM		 3134 {
3135 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3136
3137 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3138 relocation = 0x80000000 | (insn & 0x3e07c01f);
3139 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
a8735c82
EB		 3140
3141 /* If the symbol is global but not dynamic, an .rela.* slot has
f8745e1c
EB		 3142 been allocated for it in the GOT so output R_SPARC_NONE here,
3143 if it isn't also subject to another, old-style GOT relocation.
3144 See also the handling of these GOT relocations just below. */
a8735c82
EB		 3145 if (h != NULL
3146 && h->dynindx == -1
3147 && !h->forced_local
3148 && h->root.type != bfd_link_hash_undefweak
f8745e1c 3149 && !eh->has_old_style_got_reloc
a8735c82
EB		 3150 && (h->got.offset & 1) == 0
3151 && bfd_link_pic (info))
3152 {
3153 asection *s = htab->elf.srelgot;
3154 Elf_Internal_Rela outrel;
3155
3156 BFD_ASSERT (s != NULL);
3157
3158 memset (&outrel, 0, sizeof outrel);
3159 sparc_elf_append_rela (output_bfd, s, &outrel);
3160 h->got.offset |= 1;
3161 }
00c50991
DM		 3162 }
3163 continue;
3164 }
3165
3166 switch (r_type)
3167 {
3168 case R_SPARC_GOTDATA_HIX22:
3169 case R_SPARC_GOTDATA_LOX10:
3170 relocation = gdopoff (info, relocation);
3171 break;
739f7f82 3172
cc133f9f
JC		 3173 case R_SPARC_GOTDATA_OP_HIX22:
3174 case R_SPARC_GOTDATA_OP_LOX10:
22b75d0a
DM		 3175 case R_SPARC_GOT10:
3176 case R_SPARC_GOT13:
3177 case R_SPARC_GOT22:
3178 /* Relocation is to the entry for this symbol in the global
3179 offset table. */
72fbc6e5 3180 if (htab->elf.sgot == NULL)
22b75d0a
DM		 3181 abort ();
3182
ec1acaba 3183 relative_reloc = FALSE;
22b75d0a
DM		 3184 if (h != NULL)
3185 {
3186 bfd_boolean dyn;
3187
3188 off = h->got.offset;
3189 BFD_ASSERT (off != (bfd_vma) -1);
3190 dyn = elf_hash_table (info)->dynamic_sections_created;
3191
0e1862bb
L		 3192 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3193 bfd_link_pic (info),
3194 h)
3195 || (bfd_link_pic (info)
72fbc6e5 3196 && SYMBOL_REFERENCES_LOCAL (info, h)))
22b75d0a
DM		 3197 {
3198 /* This is actually a static link, or it is a
3199 -Bsymbolic link and the symbol is defined
3200 locally, or the symbol was forced to be local
3201 because of a version file. We must initialize
3202 this entry in the global offset table. Since the
3203 offset must always be a multiple of 8 for 64-bit
3204 and 4 for 32-bit, we use the least significant bit
3205 to record whether we have initialized it already.
3206
3207 When doing a dynamic link, we create a .rela.got
3208 relocation entry to initialize the value. This
3209 is done in the finish_dynamic_symbol routine. */
3210 if ((off & 1) != 0)
3211 off &= ~1;
3212 else
3213 {
a8735c82
EB		 3214 /* If this symbol isn't dynamic in PIC mode, treat it
3215 like a local symbol in PIC mode below. */
ec1acaba
EB		 3216 if (h->dynindx == -1
3217 && !h->forced_local
3218 && h->root.type != bfd_link_hash_undefweak
3219 && bfd_link_pic (info))
a8735c82 3220 relative_reloc = TRUE;
a9d44aad
AM		 3221 else
3222 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3223 htab->elf.sgot->contents + off);
3224 h->got.offset |= 1;
22b75d0a
DM		 3225 }
3226 }
3227 else
3228 unresolved_reloc = FALSE;
3229 }
3230 else
3231 {
3232 BFD_ASSERT (local_got_offsets != NULL
3233 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3234
3235 off = local_got_offsets[r_symndx];
3236
3237 /* The offset must always be a multiple of 8 on 64-bit and
3238 4 on 32-bit. We use the least significant bit to record
3239 whether we have already processed this entry. */
3240 if ((off & 1) != 0)
3241 off &= ~1;
3242 else
3243 {
a8735c82
EB		 3244 /* For a local symbol in PIC mode, we need to generate a
3245 R_SPARC_RELATIVE reloc for the dynamic linker. */
0e1862bb 3246 if (bfd_link_pic (info))
a9d44aad
AM		 3247 relative_reloc = TRUE;
3248 else
3249 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3250 htab->elf.sgot->contents + off);
22b75d0a
DM		 3251 local_got_offsets[r_symndx] |= 1;
3252 }
3253 }
ec1acaba
EB		 3254
3255 if (relative_reloc)
3256 {
a8735c82 3257 asection *s = htab->elf.srelgot;
ec1acaba
EB		 3258 Elf_Internal_Rela outrel;
3259
ec1acaba
EB		 3260 BFD_ASSERT (s != NULL);
3261
3262 outrel.r_offset = (htab->elf.sgot->output_section->vma
3263 + htab->elf.sgot->output_offset
3264 + off);
3265 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3266 0, R_SPARC_RELATIVE);
3267 outrel.r_addend = relocation;
ec1acaba 3268 sparc_elf_append_rela (output_bfd, s, &outrel);
a9d44aad
AM		 3269 /* Versions of glibc ld.so at least up to 2.26 wrongly
3270 add the section contents to the value calculated for
3271 a RELATIVE reloc. Zero the contents to work around
3272 this bug. */
3273 relocation = 0;
3274 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3275 htab->elf.sgot->contents + off);
ec1acaba
EB		 3276 }
3277
72fbc6e5 3278 relocation = htab->elf.sgot->output_offset + off - got_base;
22b75d0a
DM		 3279 break;
3280
3281 case R_SPARC_PLT32:
3282 case R_SPARC_PLT64:
3283 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3284 {
3285 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3286 goto r_sparc_plt32;
3287 }
3288 /* Fall through. */
3289
3290 case R_SPARC_WPLT30:
3291 case R_SPARC_HIPLT22:
3292 case R_SPARC_LOPLT10:
3293 case R_SPARC_PCPLT32:
3294 case R_SPARC_PCPLT22:
3295 case R_SPARC_PCPLT10:
3296 r_sparc_wplt30:
3297 /* Relocation is to the entry for this symbol in the
3298 procedure linkage table. */
3299
3300 if (! ABI_64_P (output_bfd))
3301 {
3302 /* The Solaris native assembler will generate a WPLT30 reloc
3303 for a local symbol if you assemble a call from one
3304 section to another when using -K pic. We treat it as
3305 WDISP30. */
3306 if (h == NULL)
3307 break;
3308 }
68ffbac6 3309 /* PR 7027: We need similar behaviour for 64-bit binaries. */
af1fb11f
NC		 3310 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3311 break;
22b75d0a
DM		 3312 else
3313 {
3314 BFD_ASSERT (h != NULL);
3315 }
3316
72fbc6e5 3317 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
22b75d0a
DM		 3318 {
3319 /* We didn't make a PLT entry for this symbol. This
3320 happens when statically linking PIC code, or when
3321 using -Bsymbolic. */
3322 break;
3323 }
3324
72fbc6e5
DM		 3325 relocation = (htab->elf.splt->output_section->vma
3326 + htab->elf.splt->output_offset
22b75d0a
DM		 3327 + h->plt.offset);
3328 unresolved_reloc = FALSE;
3329 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3330 {
3331 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3332 is_plt = TRUE;
3333 goto r_sparc_plt32;
3334 }
3335 break;
3336
3337 case R_SPARC_PC10:
3338 case R_SPARC_PC22:
3339 case R_SPARC_PC_HH22:
3340 case R_SPARC_PC_HM10:
3341 case R_SPARC_PC_LM22:
3342 if (h != NULL
3343 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3344 break;
3345 /* Fall through. */
3346 case R_SPARC_DISP8:
3347 case R_SPARC_DISP16:
3348 case R_SPARC_DISP32:
3349 case R_SPARC_DISP64:
3350 case R_SPARC_WDISP30:
3351 case R_SPARC_WDISP22:
3352 case R_SPARC_WDISP19:
3353 case R_SPARC_WDISP16:
2615994e 3354 case R_SPARC_WDISP10:
22b75d0a
DM		 3355 case R_SPARC_8:
3356 case R_SPARC_16:
3357 case R_SPARC_32:
3358 case R_SPARC_HI22:
3359 case R_SPARC_22:
3360 case R_SPARC_13:
3361 case R_SPARC_LO10:
3362 case R_SPARC_UA16:
3363 case R_SPARC_UA32:
3364 case R_SPARC_10:
3365 case R_SPARC_11:
3366 case R_SPARC_64:
3367 case R_SPARC_OLO10:
3368 case R_SPARC_HH22:
3369 case R_SPARC_HM10:
3370 case R_SPARC_LM22:
3371 case R_SPARC_7:
3372 case R_SPARC_5:
3373 case R_SPARC_6:
3374 case R_SPARC_HIX22:
3375 case R_SPARC_LOX10:
3376 case R_SPARC_H44:
3377 case R_SPARC_M44:
3378 case R_SPARC_L44:
2615994e 3379 case R_SPARC_H34:
22b75d0a
DM		 3380 case R_SPARC_UA64:
3381 r_sparc_plt32:
c20c30f6 3382 if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
22b75d0a
DM		 3383 break;
3384
07d6d2b8
AM		 3385 /* Copy dynamic function pointer relocations. Don't generate
3386 dynamic relocations against resolved undefined weak symbols
3387 in PIE. */
0e1862bb 3388 if ((bfd_link_pic (info)
22b75d0a 3389 && (h == NULL
a8735c82
EB		 3390 || !(h->root.type == bfd_link_hash_undefweak
3391 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3392 || resolved_to_zero)))
22b75d0a 3393 && (! howto->pc_relative
72fbc6e5 3394 || !SYMBOL_CALLS_LOCAL (info, h)))
0e1862bb 3395 || (!bfd_link_pic (info)
22b75d0a
DM		 3396 && h != NULL
3397 && h->dynindx != -1
3398 && !h->non_got_ref
3399 && ((h->def_dynamic
3400 && !h->def_regular)
bb1dd176 3401 || (h->root.type == bfd_link_hash_undefweak
07d6d2b8 3402 && !resolved_to_zero)
22b75d0a
DM		 3403 || h->root.type == bfd_link_hash_undefined)))
3404 {
3405 Elf_Internal_Rela outrel;
3406 bfd_boolean skip, relocate = FALSE;
3407
3408 /* When generating a shared object, these relocations
3409 are copied into the output file to be resolved at run
3410 time. */
3411
3412 BFD_ASSERT (sreloc != NULL);
3413
3414 skip = FALSE;
3415
3416 outrel.r_offset =
3417 _bfd_elf_section_offset (output_bfd, info, input_section,
3418 rel->r_offset);
3419 if (outrel.r_offset == (bfd_vma) -1)
3420 skip = TRUE;
3421 else if (outrel.r_offset == (bfd_vma) -2)
3422 skip = TRUE, relocate = TRUE;
3423 outrel.r_offset += (input_section->output_section->vma
3424 + input_section->output_offset);
3425
3426 /* Optimize unaligned reloc usage now that we know where
3427 it finally resides. */
3428 switch (r_type)
3429 {
3430 case R_SPARC_16:
3431 if (outrel.r_offset & 1)
3432 r_type = R_SPARC_UA16;
3433 break;
3434 case R_SPARC_UA16:
3435 if (!(outrel.r_offset & 1))
3436 r_type = R_SPARC_16;
3437 break;
3438 case R_SPARC_32:
3439 if (outrel.r_offset & 3)
3440 r_type = R_SPARC_UA32;
3441 break;
3442 case R_SPARC_UA32:
3443 if (!(outrel.r_offset & 3))
3444 r_type = R_SPARC_32;
3445 break;
3446 case R_SPARC_64:
3447 if (outrel.r_offset & 7)
3448 r_type = R_SPARC_UA64;
3449 break;
3450 case R_SPARC_UA64:
3451 if (!(outrel.r_offset & 7))
3452 r_type = R_SPARC_64;
3453 break;
07d6d2b8 3454 case R_SPARC_DISP8:
22b75d0a 3455 case R_SPARC_DISP16:
07d6d2b8
AM		 3456 case R_SPARC_DISP32:
3457 case R_SPARC_DISP64:
22b75d0a
DM		 3458 /* If the symbol is not dynamic, we should not keep
3459 a dynamic relocation. But an .rela.* slot has been
3460 allocated for it, output R_SPARC_NONE.
3461 FIXME: Add code tracking needed dynamic relocs as
3462 e.g. i386 has. */
3463 if (h->dynindx == -1)
3464 skip = TRUE, relocate = TRUE;
3465 break;
3466 }
3467
3468 if (skip)
3469 memset (&outrel, 0, sizeof outrel);
3470 /* h->dynindx may be -1 if the symbol was marked to
3471 become local. */
886a2506
NC		 3472 else if (h != NULL
3473 && h->dynindx != -1
3474 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
0e1862bb 3475 || !bfd_link_pic (info)
72fbc6e5 3476 || !SYMBOLIC_BIND (info, h)
22b75d0a
DM		 3477 || !h->def_regular))
3478 {
22b75d0a
DM		 3479 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3480 outrel.r_addend = rel->r_addend;
3481 }
3482 else
3483 {
7160c10d
JC		 3484 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3485 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
22b75d0a
DM		 3486 {
3487 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3488 0, R_SPARC_RELATIVE);
3489 outrel.r_addend = relocation + rel->r_addend;
3490 }
3491 else
3492 {
3493 long indx;
3494
74541ad4
AM		 3495 outrel.r_addend = relocation + rel->r_addend;
3496
22b75d0a 3497 if (is_plt)
72fbc6e5 3498 sec = htab->elf.splt;
22b75d0a
DM		 3499
3500 if (bfd_is_abs_section (sec))
3501 indx = 0;
3502 else if (sec == NULL || sec->owner == NULL)
3503 {
3504 bfd_set_error (bfd_error_bad_value);
3505 return FALSE;
3506 }
3507 else
3508 {
3509 asection *osec;
3510
74541ad4
AM		 3511 /* We are turning this relocation into one
3512 against a section symbol. It would be
3513 proper to subtract the symbol's value,
3514 osec->vma, from the emitted reloc addend,
3515 but ld.so expects buggy relocs. */
22b75d0a
DM		 3516 osec = sec->output_section;
3517 indx = elf_section_data (osec)->dynindx;
3518
74541ad4
AM		 3519 if (indx == 0)
3520 {
3521 osec = htab->elf.text_index_section;
3522 indx = elf_section_data (osec)->dynindx;
3523 }
3524
22b75d0a
DM		 3525 /* FIXME: we really should be able to link non-pic
3526 shared libraries. */
3527 if (indx == 0)
3528 {
3529 BFD_FAIL ();
4eca0228 3530 _bfd_error_handler
871b3ab2 3531 (_("%pB: probably compiled without -fPIC?"),
22b75d0a
DM		 3532 input_bfd);
3533 bfd_set_error (bfd_error_bad_value);
3534 return FALSE;
3535 }
3536 }
3537
74541ad4
AM		 3538 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3539 r_type);
22b75d0a
DM		 3540 }
3541 }
3542
39817122 3543 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
22b75d0a
DM		 3544
3545 /* This reloc will be computed at runtime, so there's no
3546 need to do anything now. */
3547 if (! relocate)
3548 continue;
3549 }
3550 break;
3551
3552 case R_SPARC_TLS_GD_HI22:
22b75d0a
DM		 3553 case R_SPARC_TLS_GD_LO10:
3554 case R_SPARC_TLS_IE_HI22:
3555 case R_SPARC_TLS_IE_LO10:
c20c30f6
EB		 3556 r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
3557 h == NULL || h->dynindx == -1);
3558 if (r_type == R_SPARC_REV32)
3559 break;
3560 if (h != NULL)
3561 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3562 else if (local_got_offsets)
22b75d0a 3563 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
c20c30f6
EB		 3564 else
3565 tls_type = GOT_UNKNOWN;
22b75d0a
DM		 3566 if (tls_type == GOT_TLS_IE)
3567 switch (r_type)
3568 {
3569 case R_SPARC_TLS_GD_HI22:
3570 r_type = R_SPARC_TLS_IE_HI22;
3571 break;
3572 case R_SPARC_TLS_GD_LO10:
3573 r_type = R_SPARC_TLS_IE_LO10;
3574 break;
3575 }
3576
3577 if (r_type == R_SPARC_TLS_LE_HIX22)
3578 {
3579 relocation = tpoff (info, relocation);
3580 break;
3581 }
3582 if (r_type == R_SPARC_TLS_LE_LOX10)
3583 {
3584 /* Change add into xor. */
3585 relocation = tpoff (info, relocation);
3586 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3587 contents + rel->r_offset)
3588 | 0x80182000), contents + rel->r_offset);
3589 break;
3590 }
3591
3592 if (h != NULL)
3593 {
3594 off = h->got.offset;
3595 h->got.offset |= 1;
3596 }
3597 else
3598 {
3599 BFD_ASSERT (local_got_offsets != NULL);
3600 off = local_got_offsets[r_symndx];
3601 local_got_offsets[r_symndx] |= 1;
3602 }
3603
3604 r_sparc_tlsldm:
72fbc6e5 3605 if (htab->elf.sgot == NULL)
22b75d0a
DM		 3606 abort ();
3607
3608 if ((off & 1) != 0)
3609 off &= ~1;
3610 else
3611 {
3612 Elf_Internal_Rela outrel;
3613 int dr_type, indx;
3614
72fbc6e5 3615 if (htab->elf.srelgot == NULL)
22b75d0a
DM		 3616 abort ();
3617
72fbc6e5
DM		 3618 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3619 htab->elf.sgot->contents + off);
3620 outrel.r_offset = (htab->elf.sgot->output_section->vma
3621 + htab->elf.sgot->output_offset + off);
22b75d0a
DM		 3622 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3623 if (r_type == R_SPARC_TLS_IE_HI22
3624 || r_type == R_SPARC_TLS_IE_LO10)
3625 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3626 else
3627 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3628 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3629 outrel.r_addend = relocation - dtpoff_base (info);
3630 else
3631 outrel.r_addend = 0;
3632 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
72fbc6e5 3633 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
22b75d0a
DM		 3634
3635 if (r_type == R_SPARC_TLS_GD_HI22
3636 || r_type == R_SPARC_TLS_GD_LO10)
3637 {
3638 if (indx == 0)
3639 {
07d6d2b8 3640 BFD_ASSERT (! unresolved_reloc);
22b75d0a
DM		 3641 SPARC_ELF_PUT_WORD (htab, output_bfd,
3642 relocation - dtpoff_base (info),
72fbc6e5 3643 (htab->elf.sgot->contents + off
22b75d0a
DM		 3644 + SPARC_ELF_WORD_BYTES (htab)));
3645 }
3646 else
3647 {
3648 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
72fbc6e5 3649 (htab->elf.sgot->contents + off
22b75d0a
DM		 3650 + SPARC_ELF_WORD_BYTES (htab)));
3651 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3652 SPARC_ELF_DTPOFF_RELOC (htab));
3653 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
72fbc6e5 3654 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
39817122 3655 &outrel);
22b75d0a
DM		 3656 }
3657 }
3658 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3659 {
3660 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
72fbc6e5 3661 (htab->elf.sgot->contents + off
22b75d0a
DM		 3662 + SPARC_ELF_WORD_BYTES (htab)));
3663 }
3664 }
3665
3666 if (off >= (bfd_vma) -2)
3667 abort ();
3668
72fbc6e5 3669 relocation = htab->elf.sgot->output_offset + off - got_base;
22b75d0a
DM		 3670 unresolved_reloc = FALSE;
3671 howto = _bfd_sparc_elf_howto_table + r_type;
3672 break;
3673
3674 case R_SPARC_TLS_LDM_HI22:
3675 case R_SPARC_TLS_LDM_LO10:
c20c30f6
EB		 3676 /* LD -> LE */
3677 if (bfd_link_executable (info))
22b75d0a
DM		 3678 {
3679 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3680 continue;
3681 }
3682 off = htab->tls_ldm_got.offset;
3683 htab->tls_ldm_got.offset |= 1;
3684 goto r_sparc_tlsldm;
3685
3686 case R_SPARC_TLS_LDO_HIX22:
3687 case R_SPARC_TLS_LDO_LOX10:
c20c30f6
EB		 3688 /* LD -> LE */
3689 if (bfd_link_executable (info))
3690 {
3691 if (r_type == R_SPARC_TLS_LDO_HIX22)
3692 r_type = R_SPARC_TLS_LE_HIX22;
3693 else
3694 r_type = R_SPARC_TLS_LE_LOX10;
3695 }
3696 else
22b75d0a
DM		 3697 {
3698 relocation -= dtpoff_base (info);
3699 break;
3700 }
22b75d0a
DM		 3701 /* Fall through. */
3702
3703 case R_SPARC_TLS_LE_HIX22:
3704 case R_SPARC_TLS_LE_LOX10:
c20c30f6 3705 if (!bfd_link_executable (info))
22b75d0a
DM		 3706 {
3707 Elf_Internal_Rela outrel;
c20c30f6
EB		 3708 bfd_vma offset
3709 = _bfd_elf_section_offset (output_bfd, info, input_section,
3710 rel->r_offset);
3711 if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
22b75d0a
DM		 3712 memset (&outrel, 0, sizeof outrel);
3713 else
3714 {
c20c30f6
EB		 3715 outrel.r_offset = offset
3716 + input_section->output_section->vma
3717 + input_section->output_offset;
22b75d0a 3718 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
c20c30f6
EB		 3719 outrel.r_addend
3720 = relocation - dtpoff_base (info) + rel->r_addend;
22b75d0a
DM		 3721 }
3722
c20c30f6 3723 BFD_ASSERT (sreloc != NULL);
39817122 3724 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
22b75d0a
DM		 3725 continue;
3726 }
3727 relocation = tpoff (info, relocation);
3728 break;
3729
3730 case R_SPARC_TLS_LDM_CALL:
c20c30f6
EB		 3731 /* LD -> LE */
3732 if (bfd_link_executable (info))
22b75d0a
DM		 3733 {
3734 /* mov %g0, %o0 */
3735 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3736 continue;
3737 }
3738 /* Fall through */
3739
3740 case R_SPARC_TLS_GD_CALL:
c20c30f6
EB		 3741 if (h != NULL)
3742 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3743 else if (local_got_offsets)
22b75d0a 3744 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
c20c30f6
EB		 3745 else
3746 tls_type = GOT_UNKNOWN;
3747 /* GD -> IE or LE */
3748 if (bfd_link_executable (info)
22b75d0a
DM		 3749 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3750 {
abd242a9 3751 Elf_Internal_Rela *rel2;
22b75d0a
DM		 3752 bfd_vma insn;
3753
c20c30f6
EB		 3754 /* GD -> LE */
3755 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
22b75d0a 3756 {
22b75d0a
DM		 3757 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3758 continue;
3759 }
3760
3761 /* GD -> IE */
3762 if (rel + 1 < relend
3763 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3764 && rel[1].r_offset == rel->r_offset + 4
3765 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3766 && (((insn = bfd_get_32 (input_bfd,
3767 contents + rel[1].r_offset))
3768 >> 25) & 0x1f) == 8)
3769 {
3770 /* We have
3771 call __tls_get_addr, %tgd_call(foo)
3772 add %reg1, %reg2, %o0, %tgd_add(foo)
3773 and change it into IE:
3774 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3775 add %g7, %o0, %o0, %tie_add(foo).
3776 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3777 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3778 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3779 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3780 contents + rel->r_offset);
3781 bfd_put_32 (output_bfd, 0x9001c008,
3782 contents + rel->r_offset + 4);
3783 rel++;
3784 continue;
3785 }
3786
abd242a9
DM		 3787 /* We cannot just overwrite the delay slot instruction,
3788 as it might be what puts the %o0 argument to
3789 __tls_get_addr into place. So we have to transpose
3790 the delay slot with the add we patch in. */
3791 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3792 bfd_put_32 (output_bfd, insn,
3793 contents + rel->r_offset);
3794 bfd_put_32 (output_bfd, 0x9001c008,
3795 contents + rel->r_offset + 4);
3796
3797 rel2 = rel;
3798 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3799 rel->r_offset + 4))
3800 != NULL)
3801 {
3802 /* If the instruction we moved has a relocation attached to
3803 it, adjust the offset so that it will apply to the correct
3804 instruction. */
3805 rel2->r_offset -= 4;
3806 }
22b75d0a
DM		 3807 continue;
3808 }
3809
3810 h = (struct elf_link_hash_entry *)
3811 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3812 FALSE, TRUE);
3813 BFD_ASSERT (h != NULL);
3814 r_type = R_SPARC_WPLT30;
3815 howto = _bfd_sparc_elf_howto_table + r_type;
3816 goto r_sparc_wplt30;
3817
3818 case R_SPARC_TLS_GD_ADD:
c20c30f6
EB		 3819 if (h != NULL)
3820 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3821 else if (local_got_offsets)
22b75d0a 3822 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
c20c30f6
EB		 3823 else
3824 tls_type = GOT_UNKNOWN;
3825 /* GD -> IE or LE */
3826 if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
22b75d0a
DM		 3827 {
3828 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3829 changed into IE:
3830 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3831 or LE:
3832 add %g7, %reg2, %reg3. */
3833 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
c20c30f6 3834 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
22b75d0a 3835 relocation = (insn & ~0x7c000) | 0x1c000;
c20c30f6
EB		 3836 else
3837 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
22b75d0a
DM		 3838 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3839 }
3840 continue;
3841
3842 case R_SPARC_TLS_LDM_ADD:
c20c30f6
EB		 3843 /* LD -> LE */
3844 if (bfd_link_executable (info))
22b75d0a
DM		 3845 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3846 continue;
3847
3848 case R_SPARC_TLS_LDO_ADD:
c20c30f6
EB		 3849 /* LD -> LE */
3850 if (bfd_link_executable (info))
22b75d0a
DM		 3851 {
3852 /* Change rs1 into %g7. */
3853 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3854 insn = (insn & ~0x7c000) | 0x1c000;
3855 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3856 }
3857 continue;
3858
3859 case R_SPARC_TLS_IE_LD:
3860 case R_SPARC_TLS_IE_LDX:
c20c30f6
EB		 3861 /* IE -> LE */
3862 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
22b75d0a
DM		 3863 {
3864 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3865 int rs2 = insn & 0x1f;
3866 int rd = (insn >> 25) & 0x1f;
3867
3868 if (rs2 == rd)
3869 relocation = SPARC_NOP;
3870 else
3871 relocation = 0x80100000 | (insn & 0x3e00001f);
3872 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3873 }
3874 continue;
3875
3876 case R_SPARC_TLS_IE_ADD:
3877 /* Totally useless relocation. */
3878 continue;
3879
3880 case R_SPARC_TLS_DTPOFF32:
3881 case R_SPARC_TLS_DTPOFF64:
3882 relocation -= dtpoff_base (info);
3883 break;
3884
3885 default:
3886 break;
3887 }
3888
3889 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3890 because such sections are not SEC_ALLOC and thus ld.so will
3891 not process them. */
3892 if (unresolved_reloc
3893 && !((input_section->flags & SEC_DEBUGGING) != 0
1d5316ab
AM		 3894 && h->def_dynamic)
3895 && _bfd_elf_section_offset (output_bfd, info, input_section,
3896 rel->r_offset) != (bfd_vma) -1)
4eca0228 3897 _bfd_error_handler
695344c0 3898 /* xgettext:c-format */
2dcf00ce
AM		 3899 (_("%pB(%pA+%#" PRIx64 "): "
3900 "unresolvable %s relocation against symbol `%s'"),
22b75d0a
DM		 3901 input_bfd,
3902 input_section,
2dcf00ce 3903 (uint64_t) rel->r_offset,
843fe662 3904 howto->name,
22b75d0a
DM		 3905 h->root.root.string);
3906
3907 r = bfd_reloc_continue;
3908 if (r_type == R_SPARC_OLO10)
3909 {
3910 bfd_vma x;
3911
3912 if (! ABI_64_P (output_bfd))
3913 abort ();
3914
3915 relocation += rel->r_addend;
3916 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3917
3918 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3919 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3920 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3921
3922 r = bfd_check_overflow (howto->complain_on_overflow,
3923 howto->bitsize, howto->rightshift,
3924 bfd_arch_bits_per_address (input_bfd),
3925 relocation);
3926 }
3927 else if (r_type == R_SPARC_WDISP16)
3928 {
3929 bfd_vma x;
3930
3931 relocation += rel->r_addend;
3932 relocation -= (input_section->output_section->vma
3933 + input_section->output_offset);
3934 relocation -= rel->r_offset;
3935
3936 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3937 x |= ((((relocation >> 2) & 0xc000) << 6)
3938 | ((relocation >> 2) & 0x3fff));
3939 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3940
2615994e
DM		 3941 r = bfd_check_overflow (howto->complain_on_overflow,
3942 howto->bitsize, howto->rightshift,
3943 bfd_arch_bits_per_address (input_bfd),
3944 relocation);
3945 }
3946 else if (r_type == R_SPARC_WDISP10)
3947 {
3948 bfd_vma x;
3949
3950 relocation += rel->r_addend;
3951 relocation -= (input_section->output_section->vma
3952 + input_section->output_offset);
3953 relocation -= rel->r_offset;
3954
3955 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3956 x |= ((((relocation >> 2) & 0x300) << 11)
3957 | (((relocation >> 2) & 0xff) << 5));
3958 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3959
22b75d0a
DM		 3960 r = bfd_check_overflow (howto->complain_on_overflow,
3961 howto->bitsize, howto->rightshift,
3962 bfd_arch_bits_per_address (input_bfd),
3963 relocation);
3964 }
3965 else if (r_type == R_SPARC_REV32)
3966 {
3967 bfd_vma x;
3968
3969 relocation = relocation + rel->r_addend;
3970
3971 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3972 x = x + relocation;
3973 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3974 r = bfd_reloc_ok;
3975 }
3976 else if (r_type == R_SPARC_TLS_LDO_HIX22
3977 || r_type == R_SPARC_TLS_LE_HIX22)
3978 {
3979 bfd_vma x;
3980
3981 relocation += rel->r_addend;
3982 if (r_type == R_SPARC_TLS_LE_HIX22)
3983 relocation ^= MINUS_ONE;
3984
3985 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3986 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3987 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3988 r = bfd_reloc_ok;
3989 }
3990 else if (r_type == R_SPARC_TLS_LDO_LOX10
3991 || r_type == R_SPARC_TLS_LE_LOX10)
3992 {
3993 bfd_vma x;
3994
3995 relocation += rel->r_addend;
3996 relocation &= 0x3ff;
3997 if (r_type == R_SPARC_TLS_LE_LOX10)
3998 relocation |= 0x1c00;
3999
4000 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4001 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4002 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4003
4004 r = bfd_reloc_ok;
4005 }
00c50991 4006 else if (r_type == R_SPARC_HIX22
cc133f9f
JC		 4007 || r_type == R_SPARC_GOTDATA_HIX22
4008 || r_type == R_SPARC_GOTDATA_OP_HIX22)
22b75d0a
DM		 4009 {
4010 bfd_vma x;
4011
4012 relocation += rel->r_addend;
00c50991
DM		 4013 if (r_type == R_SPARC_HIX22
4014 || (bfd_signed_vma) relocation < 0)
4015 relocation = relocation ^ MINUS_ONE;
22b75d0a
DM		 4016
4017 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4018 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4019 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4020
4021 r = bfd_check_overflow (howto->complain_on_overflow,
4022 howto->bitsize, howto->rightshift,
4023 bfd_arch_bits_per_address (input_bfd),
4024 relocation);
4025 }
00c50991 4026 else if (r_type == R_SPARC_LOX10
cc133f9f
JC		 4027 || r_type == R_SPARC_GOTDATA_LOX10
4028 || r_type == R_SPARC_GOTDATA_OP_LOX10)
22b75d0a
DM		 4029 {
4030 bfd_vma x;
4031
4032 relocation += rel->r_addend;
00c50991
DM		 4033 if (r_type == R_SPARC_LOX10
4034 || (bfd_signed_vma) relocation < 0)
4035 relocation = (relocation & 0x3ff) | 0x1c00;
4036 else
4037 relocation = (relocation & 0x3ff);
22b75d0a
DM		 4038
4039 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4040 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4041 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4042
4043 r = bfd_reloc_ok;
4044 }
4045 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4046 && sec_do_relax (input_section)
4047 && rel->r_offset + 4 < input_section->size)
4048 {
4049#define G0 0
4050#define O7 15
4051#define XCC (2 << 20)
4052#define COND(x) (((x)&0xf)<<25)
4053#define CONDA COND(0x8)
4054#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4055#define INSN_BA (F2(0,2) | CONDA)
4056#define INSN_OR F3(2, 0x2, 0)
4057#define INSN_NOP F2(0,4)
4058
4059 bfd_vma x, y;
4060
4061 /* If the instruction is a call with either:
4062 restore
4063 arithmetic instruction with rd == %o7
4064 where rs1 != %o7 and rs2 if it is register != %o7
4065 then we can optimize if the call destination is near
4066 by changing the call into a branch always. */
4067 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4068 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4069 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4070 {
4071 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4072 || ((y & OP3(0x28)) == 0 /* arithmetic */
4073 && (y & RD(~0)) == RD(O7)))
4074 && (y & RS1(~0)) != RS1(O7)
4075 && ((y & F3I(~0))
4076 || (y & RS2(~0)) != RS2(O7)))
4077 {
4078 bfd_vma reloc;
4079
4080 reloc = relocation + rel->r_addend - rel->r_offset;
4081 reloc -= (input_section->output_section->vma
4082 + input_section->output_offset);
4083
4084 /* Ensure the branch fits into simm22. */
4085 if ((reloc & 3) == 0
4086 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4087 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4088 {
4089 reloc >>= 2;
4090
4091 /* Check whether it fits into simm19. */
4092 if (((reloc & 0x3c0000) == 0
4093 || (reloc & 0x3c0000) == 0x3c0000)
4094 && (ABI_64_P (output_bfd)
4095 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4096 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4097 else
4098 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4099 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4100 r = bfd_reloc_ok;
4101 if (rel->r_offset >= 4
4102 && (y & (0xffffffff ^ RS1(~0)))
4103 == (INSN_OR | RD(O7) | RS2(G0)))
4104 {
4105 bfd_vma z;
4106 unsigned int reg;
4107
4108 z = bfd_get_32 (input_bfd,
4109 contents + rel->r_offset - 4);
4110 if ((z & (0xffffffff ^ RD(~0)))
4111 != (INSN_OR | RS1(O7) | RS2(G0)))
597e138c 4112 continue;
22b75d0a
DM		 4113
4114 /* The sequence was
4115 or %o7, %g0, %rN
4116 call foo
4117 or %rN, %g0, %o7
4118
4119 If call foo was replaced with ba, replace
4120 or %rN, %g0, %o7 with nop. */
4121
4122 reg = (y & RS1(~0)) >> 14;
4123 if (reg != ((z & RD(~0)) >> 25)
4124 || reg == G0 || reg == O7)
597e138c 4125 continue;
22b75d0a
DM		 4126
4127 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4128 contents + rel->r_offset + 4);
4129 }
4130
4131 }
4132 }
4133 }
4134 }
4135
4136 if (r == bfd_reloc_continue)
d0c9aeb3 4137 {
dc1e8a47 4138 do_relocation:
d0c9aeb3
DM		 4139 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4140 contents, rel->r_offset,
4141 relocation, rel->r_addend);
4142 }
22b75d0a
DM		 4143 if (r != bfd_reloc_ok)
4144 {
4145 switch (r)
4146 {
4147 default:
4148 case bfd_reloc_outofrange:
4149 abort ();
4150 case bfd_reloc_overflow:
4151 {
4152 const char *name;
4153
68ffbac6 4154 /* The Solaris native linker silently disregards overflows.
dc669dc8
EB		 4155 We don't, but this breaks stabs debugging info, whose
4156 relocations are only 32-bits wide. Ignore overflows in
4157 this case and also for discarded entries. */
0bef263a
RO		 4158 if ((r_type == R_SPARC_32
4159 || r_type == R_SPARC_UA32
4160 || r_type == R_SPARC_DISP32)
dc669dc8 4161 && (((input_section->flags & SEC_DEBUGGING) != 0
fd361982 4162 && strcmp (bfd_section_name (input_section),
dc669dc8
EB		 4163 ".stab") == 0)
4164 || _bfd_elf_section_offset (output_bfd, info,
4165 input_section,
4166 rel->r_offset)
4167 == (bfd_vma)-1))
4168 break;
4169
22b75d0a 4170 if (h != NULL)
bb29dfea
EB		 4171 {
4172 /* Assume this is a call protected by other code that
4173 detect the symbol is undefined. If this is the case,
4174 we can safely ignore the overflow. If not, the
4175 program is hosed anyway, and a little warning isn't
4176 going to help. */
4177 if (h->root.type == bfd_link_hash_undefweak
4178 && howto->pc_relative)
4179 break;
4180
07d6d2b8 4181 name = NULL;
bb29dfea 4182 }
22b75d0a
DM		 4183 else
4184 {
4185 name = bfd_elf_string_from_elf_section (input_bfd,
4186 symtab_hdr->sh_link,
4187 sym->st_name);
4188 if (name == NULL)
4189 return FALSE;
4190 if (*name == '\0')
fd361982 4191 name = bfd_section_name (sec);
22b75d0a 4192 }
1a72702b
AM		 4193 (*info->callbacks->reloc_overflow)
4194 (info, (h ? &h->root : NULL), name, howto->name,
4195 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
22b75d0a
DM		 4196 }
4197 break;
4198 }
4199 }
4200 }
4201
4202 return TRUE;
4203}
4204
910600e9
RS		 4205/* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4206 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4207 is the offset of the associated .got.plt entry from
4208 _GLOBAL_OFFSET_TABLE_. */
4209
4210static void
4211sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4212 bfd_vma plt_offset, bfd_vma plt_index,
4213 bfd_vma got_offset)
4214{
4215 bfd_vma got_base;
4216 const bfd_vma *plt_entry;
4217 struct _bfd_sparc_elf_link_hash_table *htab;
4218 bfd_byte *loc;
4219 Elf_Internal_Rela rela;
4220
4221 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6
NC		 4222 BFD_ASSERT (htab != NULL);
4223
0e1862bb 4224 if (bfd_link_pic (info))
910600e9
RS		 4225 {
4226 plt_entry = sparc_vxworks_shared_plt_entry;
4227 got_base = 0;
4228 }
4229 else
4230 {
4231 plt_entry = sparc_vxworks_exec_plt_entry;
4232 got_base = (htab->elf.hgot->root.u.def.value
4233 + htab->elf.hgot->root.u.def.section->output_offset
4234 + htab->elf.hgot->root.u.def.section->output_section->vma);
4235 }
4236
4237 /* Fill in the entry in the procedure linkage table. */
4238 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
72fbc6e5 4239 htab->elf.splt->contents + plt_offset);
910600e9 4240 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
72fbc6e5 4241 htab->elf.splt->contents + plt_offset + 4);
910600e9 4242 bfd_put_32 (output_bfd, plt_entry[2],
72fbc6e5 4243 htab->elf.splt->contents + plt_offset + 8);
910600e9 4244 bfd_put_32 (output_bfd, plt_entry[3],
72fbc6e5 4245 htab->elf.splt->contents + plt_offset + 12);
910600e9 4246 bfd_put_32 (output_bfd, plt_entry[4],
72fbc6e5 4247 htab->elf.splt->contents + plt_offset + 16);
910600e9 4248 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
72fbc6e5 4249 htab->elf.splt->contents + plt_offset + 20);
910600e9
RS		 4250 /* PC-relative displacement for a branch to the start of
4251 the PLT section. */
4252 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4253 & 0x003fffff),
72fbc6e5 4254 htab->elf.splt->contents + plt_offset + 24);
910600e9 4255 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
72fbc6e5 4256 htab->elf.splt->contents + plt_offset + 28);
910600e9
RS		 4257
4258 /* Fill in the .got.plt entry, pointing initially at the
4259 second half of the PLT entry. */
72fbc6e5 4260 BFD_ASSERT (htab->elf.sgotplt != NULL);
910600e9 4261 bfd_put_32 (output_bfd,
72fbc6e5
DM		 4262 htab->elf.splt->output_section->vma
4263 + htab->elf.splt->output_offset
910600e9 4264 + plt_offset + 20,
72fbc6e5 4265 htab->elf.sgotplt->contents + got_offset);
910600e9
RS		 4266
4267 /* Add relocations to .rela.plt.unloaded. */
0e1862bb 4268 if (!bfd_link_pic (info))
910600e9
RS		 4269 {
4270 loc = (htab->srelplt2->contents
4271 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4272
4273 /* Relocate the initial sethi. */
72fbc6e5
DM		 4274 rela.r_offset = (htab->elf.splt->output_section->vma
4275 + htab->elf.splt->output_offset
910600e9
RS		 4276 + plt_offset);
4277 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4278 rela.r_addend = got_offset;
4279 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4280 loc += sizeof (Elf32_External_Rela);
4281
4282 /* Likewise the following or. */
4283 rela.r_offset += 4;
4284 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4285 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4286 loc += sizeof (Elf32_External_Rela);
4287
4288 /* Relocate the .got.plt entry. */
72fbc6e5
DM		 4289 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4290 + htab->elf.sgotplt->output_offset
910600e9
RS		 4291 + got_offset);
4292 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4293 rela.r_addend = plt_offset + 20;
4294 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4295 }
4296}
4297
22b75d0a
DM		 4298/* Finish up dynamic symbol handling. We set the contents of various
4299 dynamic sections here. */
4300
4301bfd_boolean
4302_bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4303 struct bfd_link_info *info,
4304 struct elf_link_hash_entry *h,
4305 Elf_Internal_Sym *sym)
4306{
22b75d0a 4307 struct _bfd_sparc_elf_link_hash_table *htab;
39817122 4308 const struct elf_backend_data *bed;
bb1dd176 4309 struct _bfd_sparc_elf_link_hash_entry *eh;
a8735c82 4310 bfd_boolean resolved_to_zero;
22b75d0a
DM		 4311
4312 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4313 BFD_ASSERT (htab != NULL);
39817122 4314 bed = get_elf_backend_data (output_bfd);
22b75d0a 4315
bb1dd176
QZ		 4316 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4317
4318 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4319 resolved undefined weak symbols in executable so that their
4320 references have value 0 at run-time. */
a8735c82 4321 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
bb1dd176 4322
22b75d0a
DM		 4323 if (h->plt.offset != (bfd_vma) -1)
4324 {
4325 asection *splt;
4326 asection *srela;
4327 Elf_Internal_Rela rela;
4328 bfd_byte *loc;
910600e9 4329 bfd_vma r_offset, got_offset;
22b75d0a
DM		 4330 int rela_index;
4331
d0c9aeb3
DM		 4332 /* When building a static executable, use .iplt and
4333 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4334 if (htab->elf.splt != NULL)
4335 {
4336 splt = htab->elf.splt;
4337 srela = htab->elf.srelplt;
4338 }
4339 else
4340 {
4341 splt = htab->elf.iplt;
4342 srela = htab->elf.irelplt;
4343 }
22b75d0a 4344
d0c9aeb3
DM		 4345 if (splt == NULL || srela == NULL)
4346 abort ();
22b75d0a 4347
22b75d0a 4348 /* Fill in the entry in the .rela.plt section. */
910600e9 4349 if (htab->is_vxworks)
22b75d0a 4350 {
910600e9
RS		 4351 /* Work out the index of this PLT entry. */
4352 rela_index = ((h->plt.offset - htab->plt_header_size)
4353 / htab->plt_entry_size);
4354
4355 /* Calculate the offset of the associated .got.plt entry.
4356 The first three entries are reserved. */
4357 got_offset = (rela_index + 3) * 4;
4358
4359 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4360 rela_index, got_offset);
4361
4362
4363 /* On VxWorks, the relocation points to the .got.plt entry,
4364 not the .plt entry. */
72fbc6e5
DM		 4365 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4366 + htab->elf.sgotplt->output_offset
910600e9 4367 + got_offset);
22b75d0a 4368 rela.r_addend = 0;
d0c9aeb3
DM		 4369 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4370 R_SPARC_JMP_SLOT);
22b75d0a
DM		 4371 }
4372 else
4373 {
d0c9aeb3
DM		 4374 bfd_boolean ifunc = FALSE;
4375
910600e9
RS		 4376 /* Fill in the entry in the procedure linkage table. */
4377 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4378 h->plt.offset, splt->size,
4379 &r_offset);
4380
d0c9aeb3
DM		 4381 if (h == NULL
4382 || h->dynindx == -1
0e1862bb 4383 || ((bfd_link_executable (info)
d0c9aeb3
DM		 4384 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4385 && h->def_regular
4386 && h->type == STT_GNU_IFUNC))
4387 {
4388 ifunc = TRUE;
4389 BFD_ASSERT (h == NULL
4390 || (h->type == STT_GNU_IFUNC
4391 && h->def_regular
4392 && (h->root.type == bfd_link_hash_defined
4393 || h->root.type == bfd_link_hash_defweak)));
4394 }
4395
910600e9
RS		 4396 rela.r_offset = r_offset
4397 + (splt->output_section->vma + splt->output_offset);
d0c9aeb3
DM		 4398 if (ABI_64_P (output_bfd)
4399 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
910600e9 4400 {
d0c9aeb3
DM		 4401 if (ifunc)
4402 {
4403 rela.r_addend = (h->root.u.def.section->output_section->vma
4404 + h->root.u.def.section->output_offset
4405 + h->root.u.def.value);
4406 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4407 R_SPARC_IRELATIVE);
4408 }
4409 else
4410 {
4411 rela.r_addend = (-(h->plt.offset + 4)
4412 - splt->output_section->vma
4413 - splt->output_offset);
4414 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4415 R_SPARC_JMP_SLOT);
4416 }
910600e9
RS		 4417 }
4418 else
4419 {
d0c9aeb3
DM		 4420 if (ifunc)
4421 {
4422 rela.r_addend = (h->root.u.def.section->output_section->vma
4423 + h->root.u.def.section->output_offset
4424 + h->root.u.def.value);
4425 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4426 R_SPARC_JMP_IREL);
4427 }
4428 else
4429 {
4430 rela.r_addend = 0;
4431 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4432 R_SPARC_JMP_SLOT);
4433 }
910600e9 4434 }
22b75d0a 4435 }
22b75d0a
DM		 4436
4437 /* Adjust for the first 4 reserved elements in the .plt section
4438 when setting the offset in the .rela.plt section.
4439 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4440 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4441
4442 loc = srela->contents;
39817122
RS		 4443 loc += rela_index * bed->s->sizeof_rela;
4444 bed->s->swap_reloca_out (output_bfd, &rela, loc);
22b75d0a 4445
a8735c82 4446 if (!resolved_to_zero && !h->def_regular)
22b75d0a
DM		 4447 {
4448 /* Mark the symbol as undefined, rather than as defined in
4449 the .plt section. Leave the value alone. */
4450 sym->st_shndx = SHN_UNDEF;
4451 /* If the symbol is weak, we do need to clear the value.
4452 Otherwise, the PLT entry would provide a definition for
4453 the symbol even if the symbol wasn't defined anywhere,
4454 and so the symbol would never be NULL. */
4455 if (!h->ref_regular_nonweak)
4456 sym->st_value = 0;
4457 }
4458 }
4459
a8735c82
EB		 4460 /* Don't generate dynamic GOT relocation against resolved undefined weak
4461 symbols in an executable. */
22b75d0a
DM		 4462 if (h->got.offset != (bfd_vma) -1
4463 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
bb1dd176 4464 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
a8735c82
EB		 4465 && !(h->root.type == bfd_link_hash_undefweak
4466 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4467 || resolved_to_zero)))
22b75d0a
DM		 4468 {
4469 asection *sgot;
4470 asection *srela;
4471 Elf_Internal_Rela rela;
4472
4473 /* This symbol has an entry in the GOT. Set it up. */
4474
72fbc6e5
DM		 4475 sgot = htab->elf.sgot;
4476 srela = htab->elf.srelgot;
22b75d0a
DM		 4477 BFD_ASSERT (sgot != NULL && srela != NULL);
4478
4479 rela.r_offset = (sgot->output_section->vma
4480 + sgot->output_offset
4481 + (h->got.offset &~ (bfd_vma) 1));
4482
4483 /* If this is a -Bsymbolic link, and the symbol is defined
4484 locally, we just want to emit a RELATIVE reloc. Likewise if
4485 the symbol was forced to be local because of a version file.
4486 The entry in the global offset table will already have been
4487 initialized in the relocate_section function. */
0e1862bb 4488 if (! bfd_link_pic (info)
d0c9aeb3
DM		 4489 && h->type == STT_GNU_IFUNC
4490 && h->def_regular)
4491 {
4492 asection *plt;
4493
4494 /* We load the GOT entry with the PLT entry. */
4495 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4496 SPARC_ELF_PUT_WORD (htab, output_bfd,
4497 (plt->output_section->vma
4498 + plt->output_offset + h->plt.offset),
4499 htab->elf.sgot->contents
4500 + (h->got.offset & ~(bfd_vma) 1));
4501 return TRUE;
4502 }
a8735c82
EB		 4503
4504 if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
22b75d0a
DM		 4505 {
4506 asection *sec = h->root.u.def.section;
d0c9aeb3
DM		 4507 if (h->type == STT_GNU_IFUNC)
4508 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4509 else
4510 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
22b75d0a
DM		 4511 rela.r_addend = (h->root.u.def.value
4512 + sec->output_section->vma
4513 + sec->output_offset);
4514 }
4515 else
4516 {
4517 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4518 rela.r_addend = 0;
4519 }
4520
4521 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4522 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
39817122 4523 sparc_elf_append_rela (output_bfd, srela, &rela);
22b75d0a
DM		 4524 }
4525
4526 if (h->needs_copy)
4527 {
4528 asection *s;
4529 Elf_Internal_Rela rela;
4530
4531 /* This symbols needs a copy reloc. Set it up. */
4532 BFD_ASSERT (h->dynindx != -1);
4533
22b75d0a
DM		 4534 rela.r_offset = (h->root.u.def.value
4535 + h->root.u.def.section->output_section->vma
4536 + h->root.u.def.section->output_offset);
4537 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4538 rela.r_addend = 0;
afbf7e8e 4539 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 4540 s = htab->elf.sreldynrelro;
4541 else
4542 s = htab->elf.srelbss;
39817122 4543 sparc_elf_append_rela (output_bfd, s, &rela);
22b75d0a
DM		 4544 }
4545
910600e9
RS		 4546 /* Mark some specially defined symbols as absolute. On VxWorks,
4547 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4548 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
d0c9aeb3 4549 if (sym != NULL
9637f6ef 4550 && (h == htab->elf.hdynamic
d0c9aeb3
DM		 4551 || (!htab->is_vxworks
4552 && (h == htab->elf.hgot || h == htab->elf.hplt))))
22b75d0a
DM		 4553 sym->st_shndx = SHN_ABS;
4554
4555 return TRUE;
4556}
4557
4558/* Finish up the dynamic sections. */
4559
22b75d0a 4560static bfd_boolean
39817122
RS		 4561sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4562 bfd *dynobj, asection *sdyn,
4563 asection *splt ATTRIBUTE_UNUSED)
22b75d0a 4564{
910600e9 4565 struct _bfd_sparc_elf_link_hash_table *htab;
39817122
RS		 4566 const struct elf_backend_data *bed;
4567 bfd_byte *dyncon, *dynconend;
4568 size_t dynsize;
4569 int stt_regidx = -1;
4570 bfd_boolean abi_64_p;
22b75d0a 4571
910600e9 4572 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4573 BFD_ASSERT (htab != NULL);
39817122
RS		 4574 bed = get_elf_backend_data (output_bfd);
4575 dynsize = bed->s->sizeof_dyn;
4576 dynconend = sdyn->contents + sdyn->size;
4577 abi_64_p = ABI_64_P (output_bfd);
4578 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
22b75d0a
DM		 4579 {
4580 Elf_Internal_Dyn dyn;
22b75d0a
DM		 4581 bfd_boolean size;
4582
39817122 4583 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
22b75d0a 4584
64f52338 4585 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
22b75d0a 4586 {
910600e9
RS		 4587 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4588 not to the start of the PLT. */
72fbc6e5 4589 if (htab->elf.sgotplt)
910600e9 4590 {
72fbc6e5
DM		 4591 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4592 + htab->elf.sgotplt->output_offset);
39817122 4593 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
910600e9
RS		 4594 }
4595 }
7a2b07ff
NS		 4596 else if (htab->is_vxworks
4597 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4598 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
39817122
RS		 4599 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4600 {
4601 if (stt_regidx == -1)
4602 {
4603 stt_regidx =
4604 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4605 if (stt_regidx == -1)
4606 return FALSE;
4607 }
4608 dyn.d_un.d_val = stt_regidx++;
4609 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4610 }
910600e9
RS		 4611 else
4612 {
ce558b89
AM		 4613 asection *s;
4614
910600e9
RS		 4615 switch (dyn.d_tag)
4616 {
ce558b89
AM		 4617 case DT_PLTGOT:
4618 s = htab->elf.splt;
4619 size = FALSE;
4620 break;
4621 case DT_PLTRELSZ:
4622 s = htab->elf.srelplt;
4623 size = TRUE;
4624 break;
4625 case DT_JMPREL:
4626 s = htab->elf.srelplt;
4627 size = FALSE;
4628 break;
4629 default:
4630 continue;
910600e9 4631 }
22b75d0a 4632
ce558b89
AM		 4633 if (s == NULL)
4634 dyn.d_un.d_val = 0;
4635 else
22b75d0a 4636 {
ce558b89
AM		 4637 if (!size)
4638 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
22b75d0a 4639 else
ce558b89 4640 dyn.d_un.d_val = s->size;
22b75d0a 4641 }
ce558b89 4642 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
22b75d0a
DM		 4643 }
4644 }
4645 return TRUE;
4646}
4647
910600e9
RS		 4648/* Install the first PLT entry in a VxWorks executable and make sure that
4649 .rela.plt.unloaded relocations have the correct symbol indexes. */
4650
4651static void
4652sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4653{
4654 struct _bfd_sparc_elf_link_hash_table *htab;
4655 Elf_Internal_Rela rela;
4656 bfd_vma got_base;
4657 bfd_byte *loc;
4658
4659 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4660 BFD_ASSERT (htab != NULL);
910600e9
RS		 4661
4662 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4663 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4664 + htab->elf.hgot->root.u.def.section->output_offset
4665 + htab->elf.hgot->root.u.def.value);
4666
4667 /* Install the initial PLT entry. */
4668 bfd_put_32 (output_bfd,
4669 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
72fbc6e5 4670 htab->elf.splt->contents);
910600e9
RS		 4671 bfd_put_32 (output_bfd,
4672 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
72fbc6e5 4673 htab->elf.splt->contents + 4);
910600e9
RS		 4674 bfd_put_32 (output_bfd,
4675 sparc_vxworks_exec_plt0_entry[2],
72fbc6e5 4676 htab->elf.splt->contents + 8);
910600e9
RS		 4677 bfd_put_32 (output_bfd,
4678 sparc_vxworks_exec_plt0_entry[3],
72fbc6e5 4679 htab->elf.splt->contents + 12);
910600e9
RS		 4680 bfd_put_32 (output_bfd,
4681 sparc_vxworks_exec_plt0_entry[4],
72fbc6e5 4682 htab->elf.splt->contents + 16);
910600e9
RS		 4683
4684 loc = htab->srelplt2->contents;
4685
4686 /* Add an unloaded relocation for the initial entry's "sethi". */
72fbc6e5
DM		 4687 rela.r_offset = (htab->elf.splt->output_section->vma
4688 + htab->elf.splt->output_offset);
910600e9
RS		 4689 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4690 rela.r_addend = 8;
4691 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4692 loc += sizeof (Elf32_External_Rela);
4693
4694 /* Likewise the following "or". */
4695 rela.r_offset += 4;
4696 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4697 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4698 loc += sizeof (Elf32_External_Rela);
4699
4700 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4701 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4702 in which symbols were output. */
4703 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4704 {
4705 Elf_Internal_Rela rel;
4706
4707 /* The entry's initial "sethi" (against _G_O_T_). */
4708 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4709 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4710 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4711 loc += sizeof (Elf32_External_Rela);
4712
4713 /* The following "or" (also against _G_O_T_). */
4714 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4715 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4716 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4717 loc += sizeof (Elf32_External_Rela);
4718
4719 /* The .got.plt entry (against _P_L_T_). */
4720 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4721 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4722 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4723 loc += sizeof (Elf32_External_Rela);
4724 }
4725}
4726
4727/* Install the first PLT entry in a VxWorks shared object. */
4728
4729static void
4730sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4731{
4732 struct _bfd_sparc_elf_link_hash_table *htab;
4733 unsigned int i;
4734
4735 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6
NC		 4736 BFD_ASSERT (htab != NULL);
4737
910600e9
RS		 4738 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4739 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
72fbc6e5 4740 htab->elf.splt->contents + i * 4);
910600e9
RS		 4741}
4742
d0c9aeb3
DM		 4743/* Finish up local dynamic symbol handling. We set the contents of
4744 various dynamic sections here. */
4745
4746static bfd_boolean
4747finish_local_dynamic_symbol (void **slot, void *inf)
4748{
4749 struct elf_link_hash_entry *h
4750 = (struct elf_link_hash_entry *) *slot;
4751 struct bfd_link_info *info
68ffbac6 4752 = (struct bfd_link_info *) inf;
d0c9aeb3
DM		 4753
4754 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4755 h, NULL);
4756}
4757
bb1dd176
QZ		 4758/* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4759 here since undefined weak symbol may not be dynamic and may not be
4760 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4761
4762static bfd_boolean
4763pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
07d6d2b8 4764 void *inf)
bb1dd176
QZ		 4765{
4766 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4767 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4768
4769 if (h->root.type != bfd_link_hash_undefweak
4770 || h->dynindx != -1)
4771 return TRUE;
4772
4773 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
07d6d2b8 4774 h, NULL);
bb1dd176
QZ		 4775}
4776
22b75d0a
DM		 4777bfd_boolean
4778_bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4779{
4780 bfd *dynobj;
4781 asection *sdyn;
4782 struct _bfd_sparc_elf_link_hash_table *htab;
4783
4784 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4785 BFD_ASSERT (htab != NULL);
22b75d0a 4786 dynobj = htab->elf.dynobj;
4b24dd1a 4787
6d0a6093
JM		 4788 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4789 entries at the end of the dynlocal list, so they came at the end
4790 of the local symbols in the symtab. Except that they aren't
4791 STB_LOCAL, so we need to back up symtab->sh_info. */
4792 if (ABI_64_P (output_bfd)
4793 && elf_hash_table (info)->dynlocal)
4794 {
4795 asection *dynsymsec = bfd_get_linker_section (dynobj, ".dynsym");
4796 struct elf_link_local_dynamic_entry *e;
4b24dd1a 4797
6d0a6093
JM		 4798 for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
4799 if (e->input_indx == -1)
4800 break;
4801 if (e)
4802 elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
4803 = e->dynindx;
4804 }
4b24dd1a 4805
3d4d4302 4806 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
22b75d0a
DM		 4807
4808 if (elf_hash_table (info)->dynamic_sections_created)
4809 {
4810 asection *splt;
22b75d0a 4811
3d4d4302 4812 splt = htab->elf.splt;
22b75d0a
DM		 4813 BFD_ASSERT (splt != NULL && sdyn != NULL);
4814
39817122
RS		 4815 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4816 return FALSE;
22b75d0a
DM		 4817
4818 /* Initialize the contents of the .plt section. */
4819 if (splt->size > 0)
4820 {
910600e9
RS		 4821 if (htab->is_vxworks)
4822 {
0e1862bb 4823 if (bfd_link_pic (info))
910600e9
RS		 4824 sparc_vxworks_finish_shared_plt (output_bfd, info);
4825 else
4826 sparc_vxworks_finish_exec_plt (output_bfd, info);
4827 }
22b75d0a
DM		 4828 else
4829 {
910600e9
RS		 4830 memset (splt->contents, 0, htab->plt_header_size);
4831 if (!ABI_64_P (output_bfd))
4832 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4833 splt->contents + splt->size - 4);
22b75d0a
DM		 4834 }
4835 }
4836
387f8054 4837 if (elf_section_data (splt->output_section) != NULL)
07d6d2b8
AM		 4838 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4839 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4840 ? 0 : htab->plt_entry_size);
22b75d0a
DM		 4841 }
4842
4843 /* Set the first entry in the global offset table to the address of
4844 the dynamic section. */
72fbc6e5 4845 if (htab->elf.sgot && htab->elf.sgot->size > 0)
22b75d0a
DM		 4846 {
4847 bfd_vma val = (sdyn ?
4848 sdyn->output_section->vma + sdyn->output_offset :
4849 0);
4850
72fbc6e5 4851 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
22b75d0a
DM		 4852 }
4853
72fbc6e5
DM		 4854 if (htab->elf.sgot)
4855 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
22b75d0a
DM		 4856 SPARC_ELF_WORD_BYTES (htab);
4857
d0c9aeb3
DM		 4858 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4859 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4860
bb1dd176
QZ		 4861 /* Fill PLT entries for undefined weak symbols in PIE. */
4862 if (bfd_link_pie (info))
4863 bfd_hash_traverse (&info->hash->table,
07d6d2b8
AM		 4864 pie_finish_undefweak_symbol,
4865 info);
22b75d0a
DM		 4866 return TRUE;
4867}
4868
4869\f
4870/* Set the right machine number for a SPARC ELF file. */
4871
4872bfd_boolean
4873_bfd_sparc_elf_object_p (bfd *abfd)
4874{
4f26fb3a
JM		 4875 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4876 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4877 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4878
4879 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4880 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
07d6d2b8
AM		 4881 | ELF_SPARC_HWCAP_VIS3
4882 | ELF_SPARC_HWCAP_HPC);
4f26fb3a 4883 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
07d6d2b8
AM		 4884 | ELF_SPARC_HWCAP_DES
4885 | ELF_SPARC_HWCAP_KASUMI
4886 | ELF_SPARC_HWCAP_CAMELLIA
4887 | ELF_SPARC_HWCAP_MD5
4888 | ELF_SPARC_HWCAP_SHA1
4889 | ELF_SPARC_HWCAP_SHA256
4890 | ELF_SPARC_HWCAP_SHA512
4891 | ELF_SPARC_HWCAP_MPMUL
4892 | ELF_SPARC_HWCAP_MONT
4893 | ELF_SPARC_HWCAP_CRC32C
4894 | ELF_SPARC_HWCAP_CBCOND
4895 | ELF_SPARC_HWCAP_PAUSE);
4f26fb3a 4896 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
07d6d2b8 4897 | ELF_SPARC_HWCAP_IMA);
4f26fb3a 4898 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
07d6d2b8
AM		 4899 | ELF_SPARC_HWCAP2_MWAIT
4900 | ELF_SPARC_HWCAP2_XMPMUL
4901 | ELF_SPARC_HWCAP2_XMONT);
64517994 4902 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
07d6d2b8
AM		 4903 | ELF_SPARC_HWCAP2_ONADDSUB
4904 | ELF_SPARC_HWCAP2_ONMUL
4905 | ELF_SPARC_HWCAP2_ONDIV
4906 | ELF_SPARC_HWCAP2_DICTUNP
4907 | ELF_SPARC_HWCAP2_FPCMPSHL
4908 | ELF_SPARC_HWCAP2_RLE
4909 | ELF_SPARC_HWCAP2_SHA3);
4f26fb3a 4910
22b75d0a
DM		 4911 if (ABI_64_P (abfd))
4912 {
4913 unsigned long mach = bfd_mach_sparc_v9;
4914
64517994 4915 if (hwcaps2->i & m8_hwcaps2_mask)
07d6d2b8 4916 mach = bfd_mach_sparc_v9m8;
64517994 4917 else if (hwcaps2->i & v9m_hwcaps2_mask)
07d6d2b8 4918 mach = bfd_mach_sparc_v9m;
4f26fb3a 4919 else if (hwcaps->i & v9v_hwcaps_mask)
07d6d2b8 4920 mach = bfd_mach_sparc_v9v;
4f26fb3a 4921 else if (hwcaps->i & v9e_hwcaps_mask)
07d6d2b8 4922 mach = bfd_mach_sparc_v9e;
4f26fb3a 4923 else if (hwcaps->i & v9d_hwcaps_mask)
07d6d2b8 4924 mach = bfd_mach_sparc_v9d;
4f26fb3a 4925 else if (hwcaps->i & v9c_hwcaps_mask)
07d6d2b8 4926 mach = bfd_mach_sparc_v9c;
4f26fb3a 4927 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
22b75d0a
DM		 4928 mach = bfd_mach_sparc_v9b;
4929 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4930 mach = bfd_mach_sparc_v9a;
4931 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4932 }
4933 else
4934 {
4935 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4936 {
07d6d2b8
AM		 4937 if (hwcaps2->i & m8_hwcaps2_mask)
4938 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4939 bfd_mach_sparc_v8plusm8);
4940 else if (hwcaps2->i & v9m_hwcaps2_mask)
4f26fb3a
JM		 4941 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4942 bfd_mach_sparc_v8plusm);
07d6d2b8
AM		 4943 else if (hwcaps->i & v9v_hwcaps_mask)
4944 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a 4945 bfd_mach_sparc_v8plusv);
07d6d2b8
AM		 4946 else if (hwcaps->i & v9e_hwcaps_mask)
4947 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a 4948 bfd_mach_sparc_v8pluse);
07d6d2b8
AM		 4949 else if (hwcaps->i & v9d_hwcaps_mask)
4950 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a 4951 bfd_mach_sparc_v8plusd);
07d6d2b8
AM		 4952 else if (hwcaps->i & v9c_hwcaps_mask)
4953 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a
JM		 4954 bfd_mach_sparc_v8plusc);
4955 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
22b75d0a
DM		 4956 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4957 bfd_mach_sparc_v8plusb);
4958 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4959 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4960 bfd_mach_sparc_v8plusa);
4961 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4962 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4963 bfd_mach_sparc_v8plus);
4964 else
4965 return FALSE;
4966 }
4967 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4968 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4969 bfd_mach_sparc_sparclite_le);
4970 else
4971 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4972 }
4973}
4974
4975/* Return address for Ith PLT stub in section PLT, for relocation REL
4976 or (bfd_vma) -1 if it should not be included. */
4977
4978bfd_vma
4979_bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4980{
4981 if (ABI_64_P (plt->owner))
4982 {
4983 bfd_vma j;
4984
4985 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4986 if (i < PLT64_LARGE_THRESHOLD)
4987 return plt->vma + i * PLT64_ENTRY_SIZE;
4988
4989 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4990 i -= j;
4991 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4992 }
4993 else
4994 return rel->address;
4995}
9e8c70f9
DM		 4996
4997/* Merge backend specific data from an object file to the output
4998 object file when linking. */
4999
5000bfd_boolean
50e03d47 5001_bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
9e8c70f9 5002{
50e03d47 5003 bfd *obfd = info->output_bfd;
9e8c70f9
DM		 5004 obj_attribute *in_attr, *in_attrs;
5005 obj_attribute *out_attr, *out_attrs;
5006
5007 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5008 {
5009 /* This is the first object. Copy the attributes. */
5010 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5011
5012 /* Use the Tag_null value to indicate the attributes have been
5013 initialized. */
5014 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5015
5016 return TRUE;
5017 }
5018
5019 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5020 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5021
5022 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5023 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
1b786873 5024
3d68f91c
JM		 5025 out_attr->i |= in_attr->i;
5026 out_attr->type = 1;
9e8c70f9 5027
3d68f91c
JM		 5028 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5029 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
1b786873 5030
9e8c70f9 5031 out_attr->i |= in_attr->i;
209be8d2 5032 out_attr->type = 1;
9e8c70f9
DM		 5033
5034 /* Merge Tag_compatibility attributes and any common GNU ones. */
50e03d47 5035 _bfd_elf_merge_object_attributes (ibfd, info);
9e8c70f9
DM		 5036
5037 return TRUE;
5038}
GDB Binutils - Deliverables
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