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[deliverable/binutils-gdb.git] / bfd / elfxx-sparc.c
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22b75d0a 1/* SPARC-specific support for ELF
82704155 2 Copyright (C) 2005-2019 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
693 /* Track dynamic relocs copied for this symbol. */
3bf083ed 694 struct elf_dyn_relocs *dyn_relocs;
22b75d0a
DM		 695
696#define GOT_UNKNOWN 0
697#define GOT_NORMAL 1
698#define GOT_TLS_GD 2
699#define GOT_TLS_IE 3
700 unsigned char tls_type;
bb1dd176 701
f8745e1c 702 /* Symbol has GOT or PLT relocations. */
bb1dd176
QZ		 703 unsigned int has_got_reloc : 1;
704
f8745e1c
EB		 705 /* Symbol has old-style, non-relaxable GOT relocations. */
706 unsigned int has_old_style_got_reloc : 1;
707
bb1dd176
QZ		 708 /* Symbol has non-GOT/non-PLT relocations in text sections. */
709 unsigned int has_non_got_reloc : 1;
710
22b75d0a
DM		 711};
712
713#define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
714
715struct _bfd_sparc_elf_obj_tdata
716{
717 struct elf_obj_tdata root;
718
719 /* tls_type for each local got entry. */
720 char *local_got_tls_type;
721
722 /* TRUE if TLS GD relocs has been seen for this object. */
723 bfd_boolean has_tlsgd;
724};
725
726#define _bfd_sparc_elf_tdata(abfd) \
727 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
728
729#define _bfd_sparc_elf_local_got_tls_type(abfd) \
730 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
731
0ffa91dd
NC		 732#define is_sparc_elf(bfd) \
733 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
734 && elf_tdata (bfd) != NULL \
4dfe6ac6 735 && elf_object_id (bfd) == SPARC_ELF_DATA)
0ffa91dd 736
22b75d0a
DM		 737bfd_boolean
738_bfd_sparc_elf_mkobject (bfd *abfd)
739{
0ffa91dd 740 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
4dfe6ac6 741 SPARC_ELF_DATA);
22b75d0a
DM		 742}
743
744static void
91d6fa6a 745sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
22b75d0a 746{
91d6fa6a 747 bfd_put_32 (abfd, val, ptr);
22b75d0a
DM		 748}
749
750static void
91d6fa6a 751sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
22b75d0a 752{
91d6fa6a 753 bfd_put_64 (abfd, val, ptr);
22b75d0a
DM		 754}
755
756static void
39817122 757sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
22b75d0a 758{
39817122
RS		 759 const struct elf_backend_data *bed;
760 bfd_byte *loc;
22b75d0a 761
39817122 762 bed = get_elf_backend_data (abfd);
a8735c82 763 BFD_ASSERT (s->reloc_count * bed->s->sizeof_rela < s->size);
39817122
RS		 764 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
765 bed->s->swap_reloca_out (abfd, rel, loc);
22b75d0a
DM		 766}
767
768static bfd_vma
e459dc7b 769sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
91d6fa6a 770 bfd_vma rel_index ATTRIBUTE_UNUSED,
e459dc7b 771 bfd_vma type ATTRIBUTE_UNUSED)
22b75d0a 772{
91d6fa6a 773 return ELF64_R_INFO (rel_index,
22b75d0a
DM		 774 (in_rel ?
775 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
776 type) : type));
777}
778
779static bfd_vma
780sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
91d6fa6a 781 bfd_vma rel_index, bfd_vma type)
22b75d0a 782{
91d6fa6a 783 return ELF32_R_INFO (rel_index, type);
22b75d0a
DM		 784}
785
786static bfd_vma
787sparc_elf_r_symndx_64 (bfd_vma r_info)
788{
e8be8da4
DM		 789 bfd_vma r_symndx = ELF32_R_SYM (r_info);
790 return (r_symndx >> 24);
22b75d0a
DM		 791}
792
793static bfd_vma
794sparc_elf_r_symndx_32 (bfd_vma r_info)
795{
796 return ELF32_R_SYM (r_info);
797}
798
799/* PLT/GOT stuff */
800
801#define PLT32_ENTRY_SIZE 12
802#define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
803
804/* The first four entries in a 32-bit procedure linkage table are reserved,
805 and the initial contents are unimportant (we zero them out).
806 Subsequent entries look like this. See the SVR4 ABI SPARC
807 supplement to see how this works. */
808
809/* sethi %hi(.-.plt0),%g1. We fill in the address later. */
810#define PLT32_ENTRY_WORD0 0x03000000
811/* b,a .plt0. We fill in the offset later. */
812#define PLT32_ENTRY_WORD1 0x30800000
813/* nop. */
814#define PLT32_ENTRY_WORD2 SPARC_NOP
815
816static int
817sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
818 bfd_vma max ATTRIBUTE_UNUSED,
819 bfd_vma *r_offset)
820{
821 bfd_put_32 (output_bfd,
822 PLT32_ENTRY_WORD0 + offset,
823 splt->contents + offset);
824 bfd_put_32 (output_bfd,
825 (PLT32_ENTRY_WORD1
826 + (((- (offset + 4)) >> 2) & 0x3fffff)),
827 splt->contents + offset + 4);
828 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
829 splt->contents + offset + 8);
830
831 *r_offset = offset;
832
833 return offset / PLT32_ENTRY_SIZE - 4;
834}
835
836/* Both the headers and the entries are icache aligned. */
837#define PLT64_ENTRY_SIZE 32
838#define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
839#define PLT64_LARGE_THRESHOLD 32768
840
841static int
842sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
843 bfd_vma max, bfd_vma *r_offset)
844{
845 unsigned char *entry = splt->contents + offset;
846 const unsigned int nop = SPARC_NOP;
91d6fa6a 847 int plt_index;
22b75d0a
DM		 848
849 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
850 {
851 unsigned int sethi, ba;
852
853 *r_offset = offset;
854
91d6fa6a 855 plt_index = (offset / PLT64_ENTRY_SIZE);
22b75d0a 856
91d6fa6a 857 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
22b75d0a
DM		 858 ba = 0x30680000
859 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
860
861 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
862 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
863 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
864 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
865 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
866 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
867 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
868 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
869 }
870 else
871 {
872 unsigned char *ptr;
873 unsigned int ldx;
874 int block, last_block, ofs, last_ofs, chunks_this_block;
875 const int insn_chunk_size = (6 * 4);
876 const int ptr_chunk_size = (1 * 8);
877 const int entries_per_block = 160;
878 const int block_size = entries_per_block * (insn_chunk_size
879 + ptr_chunk_size);
880
881 /* Entries 32768 and higher are grouped into blocks of 160.
882 The blocks are further subdivided into 160 sequences of
883 6 instructions and 160 pointers. If a block does not require
884 the full 160 entries, let's say it requires N, then there
885 will be N sequences of 6 instructions and N pointers. */
886
887 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
888 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
889
890 block = offset / block_size;
891 last_block = max / block_size;
892 if (block != last_block)
893 {
894 chunks_this_block = 160;
895 }
896 else
897 {
898 last_ofs = max % block_size;
899 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
900 }
901
902 ofs = offset % block_size;
903
91d6fa6a 904 plt_index = (PLT64_LARGE_THRESHOLD +
22b75d0a
DM		 905 (block * 160) +
906 (ofs / insn_chunk_size));
907
908 ptr = splt->contents
909 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
910 + (block * block_size)
911 + (chunks_this_block * insn_chunk_size)
912 + (ofs / insn_chunk_size) * ptr_chunk_size;
913
914 *r_offset = (bfd_vma) (ptr - splt->contents);
915
916 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
917
918 /* mov %o7,%g5
919 call .+8
920 nop
921 ldx [%o7+P],%g1
922 jmpl %o7+%g1,%g1
923 mov %g5,%o7 */
924 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
925 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
926 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
07d6d2b8 927 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
22b75d0a
DM		 928 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
929 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
930
931 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
932 }
933
91d6fa6a 934 return plt_index - 4;
22b75d0a
DM		 935}
936
910600e9
RS		 937/* The format of the first PLT entry in a VxWorks executable. */
938static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
939 {
940 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
941 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
942 0xc4008000, /* ld [ %g2 ], %g2 */
943 0x81c08000, /* jmp %g2 */
944 0x01000000 /* nop */
945 };
946
947/* The format of subsequent PLT entries. */
948static const bfd_vma sparc_vxworks_exec_plt_entry[] =
949 {
950 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
951 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
952 0xc2004000, /* ld [ %g1 ], %g1 */
953 0x81c04000, /* jmp %g1 */
954 0x01000000, /* nop */
955 0x03000000, /* sethi %hi(f@pltindex), %g1 */
956 0x10800000, /* b _PLT_resolve */
957 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
958 };
959
960/* The format of the first PLT entry in a VxWorks shared object. */
961static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
962 {
963 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
964 0x81c08000, /* jmp %g2 */
965 0x01000000 /* nop */
966 };
967
968/* The format of subsequent PLT entries. */
969static const bfd_vma sparc_vxworks_shared_plt_entry[] =
970 {
971 0x03000000, /* sethi %hi(f@got), %g1 */
972 0x82106000, /* or %g1, %lo(f@got), %g1 */
973 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
974 0x81c04000, /* jmp %g1 */
975 0x01000000, /* nop */
976 0x03000000, /* sethi %hi(f@pltindex), %g1 */
977 0x10800000, /* b _PLT_resolve */
978 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
979 };
980
22b75d0a
DM		 981#define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
982 htab->put_word(bfd, val, ptr)
983
22b75d0a
DM		 984#define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
985 htab->r_info(in_rel, index, type)
986
987#define SPARC_ELF_R_SYMNDX(htab, r_info) \
988 htab->r_symndx(r_info)
989
990#define SPARC_ELF_WORD_BYTES(htab) \
991 htab->bytes_per_word
992
993#define SPARC_ELF_RELA_BYTES(htab) \
994 htab->bytes_per_rela
995
996#define SPARC_ELF_DTPOFF_RELOC(htab) \
997 htab->dtpoff_reloc
998
999#define SPARC_ELF_DTPMOD_RELOC(htab) \
1000 htab->dtpmod_reloc
1001
1002#define SPARC_ELF_TPOFF_RELOC(htab) \
1003 htab->tpoff_reloc
1004
1005#define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1006 htab->build_plt_entry (obfd, splt, off, max, r_off)
1007
1008/* Create an entry in an SPARC ELF linker hash table. */
1009
1010static struct bfd_hash_entry *
1011link_hash_newfunc (struct bfd_hash_entry *entry,
1012 struct bfd_hash_table *table, const char *string)
1013{
1014 /* Allocate the structure if it has not already been allocated by a
1015 subclass. */
1016 if (entry == NULL)
1017 {
1018 entry = bfd_hash_allocate (table,
1019 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1020 if (entry == NULL)
1021 return entry;
1022 }
1023
1024 /* Call the allocation method of the superclass. */
1025 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1026 if (entry != NULL)
1027 {
1028 struct _bfd_sparc_elf_link_hash_entry *eh;
1029
1030 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1031 eh->dyn_relocs = NULL;
1032 eh->tls_type = GOT_UNKNOWN;
bb1dd176
QZ		 1033 eh->has_got_reloc = 0;
1034 eh->has_non_got_reloc = 0;
22b75d0a
DM		 1035 }
1036
1037 return entry;
1038}
1039
1040/* The name of the dynamic interpreter. This is put in the .interp
1041 section. */
1042
1043#define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1044#define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1045
d0c9aeb3
DM		 1046/* Compute a hash of a local hash entry. We use elf_link_hash_entry
1047 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1048 as global symbol. We reuse indx and dynstr_index for local symbol
1049 hash since they aren't used by global symbols in this backend. */
1050
1051static hashval_t
1052elf_sparc_local_htab_hash (const void *ptr)
1053{
1054 struct elf_link_hash_entry *h
1055 = (struct elf_link_hash_entry *) ptr;
1056 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1057}
1058
1059/* Compare local hash entries. */
1060
1061static int
1062elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1063{
1064 struct elf_link_hash_entry *h1
1065 = (struct elf_link_hash_entry *) ptr1;
1066 struct elf_link_hash_entry *h2
1067 = (struct elf_link_hash_entry *) ptr2;
1068
1069 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1070}
1071
1072/* Find and/or create a hash entry for local symbol. */
1073
1074static struct elf_link_hash_entry *
1075elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1076 bfd *abfd, const Elf_Internal_Rela *rel,
1077 bfd_boolean create)
1078{
1079 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1080 asection *sec = abfd->sections;
1081 unsigned long r_symndx;
1082 hashval_t h;
1083 void **slot;
1084
1085 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1086 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1087
1088 e.elf.indx = sec->id;
1089 e.elf.dynstr_index = r_symndx;
1090 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1091 create ? INSERT : NO_INSERT);
1092
1093 if (!slot)
1094 return NULL;
1095
1096 if (*slot)
1097 {
1098 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1099 return &ret->elf;
1100 }
1101
1102 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1103 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1104 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1105 if (ret)
1106 {
1107 memset (ret, 0, sizeof (*ret));
1108 ret->elf.indx = sec->id;
1109 ret->elf.dynstr_index = r_symndx;
1110 ret->elf.dynindx = -1;
1111 ret->elf.plt.offset = (bfd_vma) -1;
1112 ret->elf.got.offset = (bfd_vma) -1;
1113 *slot = ret;
1114 }
1115 return &ret->elf;
1116}
1117
68faa637
AM		 1118/* Destroy a SPARC ELF linker hash table. */
1119
d495ab0d
AM		 1120static void
1121_bfd_sparc_elf_link_hash_table_free (bfd *obfd)
68faa637
AM		 1122{
1123 struct _bfd_sparc_elf_link_hash_table *htab
d495ab0d 1124 = (struct _bfd_sparc_elf_link_hash_table *) obfd->link.hash;
68faa637
AM		 1125
1126 if (htab->loc_hash_table)
1127 htab_delete (htab->loc_hash_table);
1128 if (htab->loc_hash_memory)
1129 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
d495ab0d 1130 _bfd_elf_link_hash_table_free (obfd);
68faa637
AM		 1131}
1132
22b75d0a
DM		 1133/* Create a SPARC ELF linker hash table. */
1134
1135struct bfd_link_hash_table *
1136_bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1137{
1138 struct _bfd_sparc_elf_link_hash_table *ret;
1139 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1140
1141 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1142 if (ret == NULL)
1143 return NULL;
1144
1145 if (ABI_64_P (abfd))
1146 {
1147 ret->put_word = sparc_put_word_64;
22b75d0a
DM		 1148 ret->r_info = sparc_elf_r_info_64;
1149 ret->r_symndx = sparc_elf_r_symndx_64;
22b75d0a
DM		 1150 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1151 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1152 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1153 ret->word_align_power = 3;
1154 ret->align_power_max = 4;
1155 ret->bytes_per_word = 8;
1156 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
c2e70a82 1157 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
22b75d0a 1158 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
d0c9aeb3
DM		 1159
1160 ret->build_plt_entry = sparc64_plt_entry_build;
1161 ret->plt_header_size = PLT64_HEADER_SIZE;
1162 ret->plt_entry_size = PLT64_ENTRY_SIZE;
22b75d0a
DM		 1163 }
1164 else
1165 {
1166 ret->put_word = sparc_put_word_32;
22b75d0a
DM		 1167 ret->r_info = sparc_elf_r_info_32;
1168 ret->r_symndx = sparc_elf_r_symndx_32;
22b75d0a
DM		 1169 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1170 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1171 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1172 ret->word_align_power = 2;
1173 ret->align_power_max = 3;
1174 ret->bytes_per_word = 4;
1175 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
c2e70a82 1176 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
22b75d0a 1177 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
d0c9aeb3
DM		 1178
1179 ret->build_plt_entry = sparc32_plt_entry_build;
1180 ret->plt_header_size = PLT32_HEADER_SIZE;
1181 ret->plt_entry_size = PLT32_ENTRY_SIZE;
22b75d0a
DM		 1182 }
1183
66eb6687 1184 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
4dfe6ac6
NC		 1185 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1186 SPARC_ELF_DATA))
22b75d0a
DM		 1187 {
1188 free (ret);
1189 return NULL;
1190 }
1191
d0c9aeb3
DM		 1192 ret->loc_hash_table = htab_try_create (1024,
1193 elf_sparc_local_htab_hash,
1194 elf_sparc_local_htab_eq,
1195 NULL);
1196 ret->loc_hash_memory = objalloc_create ();
1197 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1198 {
d495ab0d 1199 _bfd_sparc_elf_link_hash_table_free (abfd);
d0c9aeb3
DM		 1200 return NULL;
1201 }
d495ab0d 1202 ret->elf.root.hash_table_free = _bfd_sparc_elf_link_hash_table_free;
d0c9aeb3 1203
22b75d0a
DM		 1204 return &ret->elf.root;
1205}
1206
22b75d0a
DM		 1207/* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1208 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1209 hash table. */
1210
1211bfd_boolean
1212_bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1213 struct bfd_link_info *info)
1214{
1215 struct _bfd_sparc_elf_link_hash_table *htab;
1216
1217 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6
NC		 1218 BFD_ASSERT (htab != NULL);
1219
22b75d0a
DM		 1220 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1221 return FALSE;
1222
910600e9
RS		 1223 if (htab->is_vxworks)
1224 {
1225 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1226 return FALSE;
0e1862bb 1227 if (bfd_link_pic (info))
910600e9
RS		 1228 {
1229 htab->plt_header_size
1230 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1231 htab->plt_entry_size
1232 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1233 }
1234 else
1235 {
1236 htab->plt_header_size
1237 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1238 htab->plt_entry_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1240 }
1241 }
910600e9 1242
9d19e4fd
AM		 1243 if (!htab->elf.splt || !htab->elf.srelplt || !htab->elf.sdynbss
1244 || (!bfd_link_pic (info) && !htab->elf.srelbss))
22b75d0a
DM		 1245 abort ();
1246
1247 return TRUE;
1248}
1249
d0c9aeb3
DM		 1250static bfd_boolean
1251create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1252{
1253 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1254 struct elf_link_hash_table *htab = elf_hash_table (info);
1255 flagword flags, pltflags;
1256 asection *s;
1257
1258 if (htab->irelifunc != NULL || htab->iplt != NULL)
1259 return TRUE;
1260
1261 flags = bed->dynamic_sec_flags;
1262 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1263
1264 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1265 if (s == NULL
1266 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1267 return FALSE;
1268 htab->iplt = s;
1269
1270 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1271 flags | SEC_READONLY);
1272 if (s == NULL
1273 || ! bfd_set_section_alignment (abfd, s,
1274 bed->s->log_file_align))
1275 return FALSE;
1276 htab->irelplt = s;
1277
1278 return TRUE;
1279}
1280
22b75d0a
DM		 1281/* Copy the extra info we tack onto an elf_link_hash_entry. */
1282
1283void
fcfa13d2 1284_bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
22b75d0a
DM		 1285 struct elf_link_hash_entry *dir,
1286 struct elf_link_hash_entry *ind)
1287{
1288 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1289
1290 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1291 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1292
1293 if (eind->dyn_relocs != NULL)
1294 {
1295 if (edir->dyn_relocs != NULL)
1296 {
3bf083ed
AM		 1297 struct elf_dyn_relocs **pp;
1298 struct elf_dyn_relocs *p;
22b75d0a 1299
fcfa13d2 1300 /* Add reloc counts against the indirect sym to the direct sym
22b75d0a
DM		 1301 list. Merge any entries against the same section. */
1302 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1303 {
3bf083ed 1304 struct elf_dyn_relocs *q;
22b75d0a
DM		 1305
1306 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1307 if (q->sec == p->sec)
1308 {
1309 q->pc_count += p->pc_count;
1310 q->count += p->count;
1311 *pp = p->next;
1312 break;
1313 }
1314 if (q == NULL)
1315 pp = &p->next;
1316 }
1317 *pp = edir->dyn_relocs;
1318 }
1319
1320 edir->dyn_relocs = eind->dyn_relocs;
1321 eind->dyn_relocs = NULL;
1322 }
1323
a8735c82 1324 if (ind->root.type == bfd_link_hash_indirect && dir->got.refcount <= 0)
22b75d0a
DM		 1325 {
1326 edir->tls_type = eind->tls_type;
1327 eind->tls_type = GOT_UNKNOWN;
1328 }
bb1dd176
QZ		 1329
1330 /* Copy has_got_reloc and has_non_got_reloc. */
1331 edir->has_got_reloc |= eind->has_got_reloc;
1332 edir->has_non_got_reloc |= eind->has_non_got_reloc;
1333
fcfa13d2 1334 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
22b75d0a
DM		 1335}
1336
1337static int
1338sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1339 int r_type, int is_local)
1340{
1341 if (! ABI_64_P (abfd)
1342 && r_type == R_SPARC_TLS_GD_HI22
1343 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
c20c30f6 1344 return R_SPARC_REV32;
22b75d0a 1345
c20c30f6 1346 if (!bfd_link_executable (info))
22b75d0a
DM		 1347 return r_type;
1348
1349 switch (r_type)
1350 {
1351 case R_SPARC_TLS_GD_HI22:
c20c30f6 1352 return is_local ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_IE_HI22;
22b75d0a 1353 case R_SPARC_TLS_GD_LO10:
c20c30f6 1354 return is_local ? R_SPARC_TLS_LE_LOX10 : R_SPARC_TLS_IE_LO10;
22b75d0a
DM		 1355 case R_SPARC_TLS_LDM_HI22:
1356 return R_SPARC_TLS_LE_HIX22;
1357 case R_SPARC_TLS_LDM_LO10:
1358 return R_SPARC_TLS_LE_LOX10;
c20c30f6
EB		 1359 case R_SPARC_TLS_IE_HI22:
1360 return is_local ? R_SPARC_TLS_LE_HIX22 : r_type;
1361 case R_SPARC_TLS_IE_LO10:
1362 return is_local ? R_SPARC_TLS_LE_LOX10 : r_type;
22b75d0a
DM		 1363 }
1364
1365 return r_type;
1366}
1367\f
1368/* Look through the relocs for a section during the first phase, and
1369 allocate space in the global offset table or procedure linkage
1370 table. */
1371
1372bfd_boolean
1373_bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1374 asection *sec, const Elf_Internal_Rela *relocs)
1375{
1376 struct _bfd_sparc_elf_link_hash_table *htab;
1377 Elf_Internal_Shdr *symtab_hdr;
1378 struct elf_link_hash_entry **sym_hashes;
22b75d0a
DM		 1379 const Elf_Internal_Rela *rel;
1380 const Elf_Internal_Rela *rel_end;
1381 asection *sreloc;
1382 int num_relocs;
1383 bfd_boolean checked_tlsgd = FALSE;
1384
0e1862bb 1385 if (bfd_link_relocatable (info))
22b75d0a
DM		 1386 return TRUE;
1387
1388 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 1389 BFD_ASSERT (htab != NULL);
0ffa91dd 1390 symtab_hdr = &elf_symtab_hdr (abfd);
22b75d0a 1391 sym_hashes = elf_sym_hashes (abfd);
22b75d0a
DM		 1392
1393 sreloc = NULL;
1394
1395 if (ABI_64_P (abfd))
d4730f92 1396 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
22b75d0a
DM		 1397 else
1398 num_relocs = sec->reloc_count;
0ffa91dd
NC		 1399
1400 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1401
d0c9aeb3
DM		 1402 if (htab->elf.dynobj == NULL)
1403 htab->elf.dynobj = abfd;
1404 if (!create_ifunc_sections (htab->elf.dynobj, info))
1405 return FALSE;
1406
22b75d0a
DM		 1407 rel_end = relocs + num_relocs;
1408 for (rel = relocs; rel < rel_end; rel++)
1409 {
1410 unsigned int r_type;
d42c267e 1411 unsigned int r_symndx;
22b75d0a 1412 struct elf_link_hash_entry *h;
bb1dd176 1413 struct _bfd_sparc_elf_link_hash_entry *eh;
d0c9aeb3 1414 Elf_Internal_Sym *isym;
22b75d0a
DM		 1415
1416 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1417 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1418
1419 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1420 {
695344c0 1421 /* xgettext:c-format */
871b3ab2 1422 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
22b75d0a
DM		 1423 return FALSE;
1424 }
1425
d0c9aeb3 1426 isym = NULL;
22b75d0a 1427 if (r_symndx < symtab_hdr->sh_info)
d0c9aeb3
DM		 1428 {
1429 /* A local symbol. */
c20c30f6 1430 isym = bfd_sym_from_r_symndx (&htab->sym_cache, abfd, r_symndx);
d0c9aeb3
DM		 1431 if (isym == NULL)
1432 return FALSE;
1433
1434 /* Check relocation against local STT_GNU_IFUNC symbol. */
1435 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1436 {
c20c30f6 1437 h = elf_sparc_get_local_sym_hash (htab, abfd, rel, TRUE);
d0c9aeb3
DM		 1438 if (h == NULL)
1439 return FALSE;
68ffbac6 1440
d0c9aeb3
DM		 1441 /* Fake a STT_GNU_IFUNC symbol. */
1442 h->type = STT_GNU_IFUNC;
1443 h->def_regular = 1;
1444 h->ref_regular = 1;
1445 h->forced_local = 1;
1446 h->root.type = bfd_link_hash_defined;
1447 }
1448 else
1449 h = NULL;
1450 }
22b75d0a 1451 else
973a3492
L		 1452 {
1453 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1454 while (h->root.type == bfd_link_hash_indirect
1455 || h->root.type == bfd_link_hash_warning)
1456 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1457 }
22b75d0a 1458
c20c30f6 1459 if (h && h->type == STT_GNU_IFUNC && h->def_regular)
d0c9aeb3 1460 {
c20c30f6
EB		 1461 h->ref_regular = 1;
1462 h->plt.refcount += 1;
d0c9aeb3
DM		 1463 }
1464
22b75d0a
DM		 1465 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1466 with R_SPARC_TLS_GD_HI22. */
1467 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1468 switch (r_type)
1469 {
1470 case R_SPARC_TLS_GD_HI22:
1471 {
1472 const Elf_Internal_Rela *relt;
1473
1474 for (relt = rel + 1; relt < rel_end; relt++)
1475 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1476 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1477 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1478 break;
1479 checked_tlsgd = TRUE;
1480 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1481 }
1482 break;
1483 case R_SPARC_TLS_GD_LO10:
1484 case R_SPARC_TLS_GD_ADD:
1485 case R_SPARC_TLS_GD_CALL:
1486 checked_tlsgd = TRUE;
1487 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1488 break;
1489 }
1490
1491 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
bb1dd176
QZ		 1492 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1493
22b75d0a
DM		 1494 switch (r_type)
1495 {
1496 case R_SPARC_TLS_LDM_HI22:
1497 case R_SPARC_TLS_LDM_LO10:
1498 htab->tls_ldm_got.refcount += 1;
07d6d2b8
AM		 1499 if (eh != NULL)
1500 eh->has_got_reloc = 1;
22b75d0a
DM		 1501 break;
1502
1503 case R_SPARC_TLS_LE_HIX22:
1504 case R_SPARC_TLS_LE_LOX10:
c20c30f6 1505 if (!bfd_link_executable (info))
22b75d0a
DM		 1506 goto r_sparc_plt32;
1507 break;
1508
1509 case R_SPARC_TLS_IE_HI22:
1510 case R_SPARC_TLS_IE_LO10:
c20c30f6 1511 if (!bfd_link_executable (info))
22b75d0a
DM		 1512 info->flags |= DF_STATIC_TLS;
1513 /* Fall through */
1514
1515 case R_SPARC_GOT10:
1516 case R_SPARC_GOT13:
1517 case R_SPARC_GOT22:
739f7f82
DM		 1518 case R_SPARC_GOTDATA_HIX22:
1519 case R_SPARC_GOTDATA_LOX10:
1520 case R_SPARC_GOTDATA_OP_HIX22:
1521 case R_SPARC_GOTDATA_OP_LOX10:
22b75d0a
DM		 1522 case R_SPARC_TLS_GD_HI22:
1523 case R_SPARC_TLS_GD_LO10:
1524 /* This symbol requires a global offset table entry. */
1525 {
1526 int tls_type, old_tls_type;
1527
1528 switch (r_type)
1529 {
22b75d0a
DM		 1530 case R_SPARC_TLS_GD_HI22:
1531 case R_SPARC_TLS_GD_LO10:
1532 tls_type = GOT_TLS_GD;
1533 break;
1534 case R_SPARC_TLS_IE_HI22:
1535 case R_SPARC_TLS_IE_LO10:
1536 tls_type = GOT_TLS_IE;
1537 break;
c20c30f6
EB		 1538 default:
1539 tls_type = GOT_NORMAL;
1540 break;
22b75d0a
DM		 1541 }
1542
1543 if (h != NULL)
1544 {
1545 h->got.refcount += 1;
1546 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1547 }
1548 else
1549 {
1550 bfd_signed_vma *local_got_refcounts;
1551
1552 /* This is a global offset table entry for a local symbol. */
1553 local_got_refcounts = elf_local_got_refcounts (abfd);
1554 if (local_got_refcounts == NULL)
1555 {
1556 bfd_size_type size;
1557
1558 size = symtab_hdr->sh_info;
1559 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1560 local_got_refcounts = ((bfd_signed_vma *)
1561 bfd_zalloc (abfd, size));
1562 if (local_got_refcounts == NULL)
1563 return FALSE;
1564 elf_local_got_refcounts (abfd) = local_got_refcounts;
1565 _bfd_sparc_elf_local_got_tls_type (abfd)
1566 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1567 }
00c50991 1568
c20c30f6
EB		 1569 if (r_type != R_SPARC_GOTDATA_OP_HIX22
1570 && r_type != R_SPARC_GOTDATA_OP_LOX10)
1571 local_got_refcounts[r_symndx] += 1;
1572
f8745e1c
EB		 1573 old_tls_type
1574 = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
22b75d0a
DM		 1575 }
1576
f8745e1c
EB		 1577 /* If a TLS symbol is accessed using IE at least once, there is no
1578 point in using the dynamic model for it. */
c20c30f6 1579 if (old_tls_type != tls_type)
22b75d0a 1580 {
c20c30f6
EB		 1581 if (old_tls_type == GOT_UNKNOWN)
1582 ;
1583 else if (old_tls_type == GOT_TLS_GD && tls_type == GOT_TLS_IE)
1584 ;
1585 else if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
22b75d0a
DM		 1586 tls_type = old_tls_type;
1587 else
1588 {
4eca0228 1589 _bfd_error_handler
695344c0 1590 /* xgettext:c-format */
871b3ab2 1591 (_("%pB: `%s' accessed both as normal and thread local symbol"),
22b75d0a
DM		 1592 abfd, h ? h->root.root.string : "<local>");
1593 return FALSE;
1594 }
22b75d0a 1595
22b75d0a
DM		 1596 if (h != NULL)
1597 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1598 else
1599 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1600 }
1601 }
1602
c20c30f6
EB		 1603 if (!htab->elf.sgot
1604 && !_bfd_elf_create_got_section (htab->elf.dynobj, info))
1605 return FALSE;
bb1dd176 1606
07d6d2b8 1607 if (eh != NULL)
f8745e1c
EB		 1608 {
1609 eh->has_got_reloc = 1;
1610 if (r_type == R_SPARC_GOT10
1611 || r_type == R_SPARC_GOT13
1612 || r_type == R_SPARC_GOT22)
1613 eh->has_old_style_got_reloc = 1;
1614 }
22b75d0a
DM		 1615 break;
1616
1617 case R_SPARC_TLS_GD_CALL:
1618 case R_SPARC_TLS_LDM_CALL:
c20c30f6 1619 if (bfd_link_executable (info))
22b75d0a 1620 break;
c20c30f6
EB		 1621
1622 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1623 h = (struct elf_link_hash_entry *)
e513bd38 1624 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
c20c30f6 1625 FALSE, TRUE);
e513bd38 1626 BFD_ASSERT (h != NULL);
22b75d0a
DM		 1627 /* Fall through */
1628
22b75d0a 1629 case R_SPARC_WPLT30:
c20c30f6
EB		 1630 case R_SPARC_PLT32:
1631 case R_SPARC_PLT64:
22b75d0a
DM		 1632 case R_SPARC_HIPLT22:
1633 case R_SPARC_LOPLT10:
1634 case R_SPARC_PCPLT32:
1635 case R_SPARC_PCPLT22:
1636 case R_SPARC_PCPLT10:
c20c30f6
EB		 1637 /* This symbol requires a procedure linkage table entry.
1638 We actually build the entry in adjust_dynamic_symbol,
22b75d0a
DM		 1639 because this might be a case of linking PIC code without
1640 linking in any dynamic objects, in which case we don't
1641 need to generate a procedure linkage table after all. */
1642
1643 if (h == NULL)
1644 {
1645 if (! ABI_64_P (abfd))
1646 {
1647 /* The Solaris native assembler will generate a WPLT30
1648 reloc for a local symbol if you assemble a call from
1649 one section to another when using -K pic. We treat
1650 it as WDISP30. */
c20c30f6 1651 if (r_type == R_SPARC_PLT32)
22b75d0a
DM		 1652 goto r_sparc_plt32;
1653 break;
1654 }
af1fb11f
NC		 1655 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1656 else if (r_type == R_SPARC_WPLT30)
1657 break;
22b75d0a
DM		 1658
1659 /* It does not make sense to have a procedure linkage
07d6d2b8 1660 table entry for a local symbol. */
22b75d0a
DM		 1661 bfd_set_error (bfd_error_bad_value);
1662 return FALSE;
1663 }
1664
1665 h->needs_plt = 1;
1666
c20c30f6
EB		 1667 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
1668 goto r_sparc_plt32;
22b75d0a 1669
22b75d0a 1670 h->plt.refcount += 1;
bb1dd176 1671
07d6d2b8
AM		 1672 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1673 eh->has_got_reloc = 1;
22b75d0a
DM		 1674 break;
1675
1676 case R_SPARC_PC10:
1677 case R_SPARC_PC22:
1678 case R_SPARC_PC_HH22:
1679 case R_SPARC_PC_HM10:
1680 case R_SPARC_PC_LM22:
1681 if (h != NULL)
1682 h->non_got_ref = 1;
1683
1684 if (h != NULL
1685 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1686 break;
1687 /* Fall through. */
1688
1689 case R_SPARC_DISP8:
1690 case R_SPARC_DISP16:
1691 case R_SPARC_DISP32:
1692 case R_SPARC_DISP64:
1693 case R_SPARC_WDISP30:
1694 case R_SPARC_WDISP22:
1695 case R_SPARC_WDISP19:
1696 case R_SPARC_WDISP16:
2615994e 1697 case R_SPARC_WDISP10:
22b75d0a
DM		 1698 case R_SPARC_8:
1699 case R_SPARC_16:
1700 case R_SPARC_32:
1701 case R_SPARC_HI22:
1702 case R_SPARC_22:
1703 case R_SPARC_13:
1704 case R_SPARC_LO10:
1705 case R_SPARC_UA16:
1706 case R_SPARC_UA32:
1707 case R_SPARC_10:
1708 case R_SPARC_11:
1709 case R_SPARC_64:
1710 case R_SPARC_OLO10:
1711 case R_SPARC_HH22:
1712 case R_SPARC_HM10:
1713 case R_SPARC_LM22:
1714 case R_SPARC_7:
1715 case R_SPARC_5:
1716 case R_SPARC_6:
1717 case R_SPARC_HIX22:
1718 case R_SPARC_LOX10:
1719 case R_SPARC_H44:
1720 case R_SPARC_M44:
1721 case R_SPARC_L44:
2615994e 1722 case R_SPARC_H34:
22b75d0a
DM		 1723 case R_SPARC_UA64:
1724 if (h != NULL)
1725 h->non_got_ref = 1;
1726
07d6d2b8
AM		 1727 if (eh != NULL && (sec->flags & SEC_CODE) != 0)
1728 eh->has_non_got_reloc = 1;
bb1dd176 1729
22b75d0a 1730 r_sparc_plt32:
0e1862bb 1731 if (h != NULL && !bfd_link_pic (info))
22b75d0a
DM		 1732 {
1733 /* We may need a .plt entry if the function this reloc
1734 refers to is in a shared lib. */
1735 h->plt.refcount += 1;
1736 }
1737
1738 /* If we are creating a shared library, and this is a reloc
1739 against a global symbol, or a non PC relative reloc
1740 against a local symbol, then we need to copy the reloc
1741 into the shared library. However, if we are linking with
1742 -Bsymbolic, we do not need to copy a reloc against a
1743 global symbol which is defined in an object we are
1744 including in the link (i.e., DEF_REGULAR is set). At
1745 this point we have not seen all the input files, so it is
1746 possible that DEF_REGULAR is not set now but will be set
1747 later (it is never cleared). In case of a weak definition,
1748 DEF_REGULAR may be cleared later by a strong definition in
1749 a shared library. We account for that possibility below by
1750 storing information in the relocs_copied field of the hash
1751 table entry. A similar situation occurs when creating
1752 shared libraries and symbol visibility changes render the
1753 symbol local.
1754
1755 If on the other hand, we are creating an executable, we
1756 may need to keep relocations for symbols satisfied by a
1757 dynamic library if we manage to avoid copy relocs for the
1758 symbol. */
0e1862bb 1759 if ((bfd_link_pic (info)
22b75d0a
DM		 1760 && (sec->flags & SEC_ALLOC) != 0
1761 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1762 || (h != NULL
72fbc6e5 1763 && (! SYMBOLIC_BIND (info, h)
22b75d0a
DM		 1764 || h->root.type == bfd_link_hash_defweak
1765 || !h->def_regular))))
0e1862bb 1766 || (!bfd_link_pic (info)
22b75d0a
DM		 1767 && (sec->flags & SEC_ALLOC) != 0
1768 && h != NULL
1769 && (h->root.type == bfd_link_hash_defweak
d0c9aeb3 1770 || !h->def_regular))
0e1862bb 1771 || (!bfd_link_pic (info)
d0c9aeb3
DM		 1772 && h != NULL
1773 && h->type == STT_GNU_IFUNC))
22b75d0a 1774 {
3bf083ed
AM		 1775 struct elf_dyn_relocs *p;
1776 struct elf_dyn_relocs **head;
22b75d0a
DM		 1777
1778 /* When creating a shared object, we must copy these
1779 relocs into the output file. We create a reloc
1780 section in dynobj and make room for the reloc. */
1781 if (sreloc == NULL)
1782 {
83bac4b0
NC		 1783 sreloc = _bfd_elf_make_dynamic_reloc_section
1784 (sec, htab->elf.dynobj, htab->word_align_power,
1785 abfd, /*rela?*/ TRUE);
1786
22b75d0a 1787 if (sreloc == NULL)
83bac4b0 1788 return FALSE;
22b75d0a
DM		 1789 }
1790
1791 /* If this is a global symbol, we count the number of
1792 relocations we need for this symbol. */
1793 if (h != NULL)
1794 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1795 else
1796 {
1797 /* Track dynamic relocs needed for local syms too.
1798 We really need local syms available to do this
1799 easily. Oh well. */
22b75d0a 1800 asection *s;
6edfbbad 1801 void *vpp;
22b75d0a 1802
d0c9aeb3 1803 BFD_ASSERT (isym != NULL);
87d72d41
AM		 1804 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1805 if (s == NULL)
1806 s = sec;
1807
6edfbbad 1808 vpp = &elf_section_data (s)->local_dynrel;
3bf083ed 1809 head = (struct elf_dyn_relocs **) vpp;
22b75d0a
DM		 1810 }
1811
1812 p = *head;
1813 if (p == NULL || p->sec != sec)
1814 {
1815 bfd_size_type amt = sizeof *p;
3bf083ed 1816 p = ((struct elf_dyn_relocs *)
22b75d0a
DM		 1817 bfd_alloc (htab->elf.dynobj, amt));
1818 if (p == NULL)
1819 return FALSE;
1820 p->next = *head;
1821 *head = p;
1822 p->sec = sec;
1823 p->count = 0;
1824 p->pc_count = 0;
1825 }
1826
1827 p->count += 1;
1828 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1829 p->pc_count += 1;
1830 }
1831
1832 break;
1833
1834 case R_SPARC_GNU_VTINHERIT:
1835 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1836 return FALSE;
1837 break;
1838
1839 case R_SPARC_GNU_VTENTRY:
d17e0c6e
JB		 1840 BFD_ASSERT (h != NULL);
1841 if (h != NULL
1842 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
22b75d0a
DM		 1843 return FALSE;
1844 break;
1845
1846 case R_SPARC_REGISTER:
1847 /* Nothing to do. */
1848 break;
1849
1850 default:
1851 break;
1852 }
1853 }
1854
1855 return TRUE;
1856}
1857\f
1858asection *
1859_bfd_sparc_elf_gc_mark_hook (asection *sec,
1860 struct bfd_link_info *info,
1861 Elf_Internal_Rela *rel,
1862 struct elf_link_hash_entry *h,
1863 Elf_Internal_Sym *sym)
1864{
1865 if (h != NULL)
07adf181 1866 switch (SPARC_ELF_R_TYPE (rel->r_info))
22b75d0a
DM		 1867 {
1868 case R_SPARC_GNU_VTINHERIT:
1869 case R_SPARC_GNU_VTENTRY:
07adf181 1870 return NULL;
22b75d0a 1871 }
22b75d0a 1872
c20c30f6 1873 if (!bfd_link_executable (info))
b45b6908
AM		 1874 {
1875 switch (SPARC_ELF_R_TYPE (rel->r_info))
1876 {
1877 case R_SPARC_TLS_GD_CALL:
1878 case R_SPARC_TLS_LDM_CALL:
1879 /* This reloc implicitly references __tls_get_addr. We know
1880 another reloc will reference the same symbol as the one
1881 on this reloc, so the real symbol and section will be
1882 gc marked when processing the other reloc. That lets
1883 us handle __tls_get_addr here. */
1884 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1885 FALSE, FALSE, TRUE);
1886 BFD_ASSERT (h != NULL);
1887 h->mark = 1;
60d67dc8
AM		 1888 if (h->is_weakalias)
1889 weakdef (h)->mark = 1;
b45b6908
AM		 1890 sym = NULL;
1891 }
1892 }
1893
07adf181 1894 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
22b75d0a
DM		 1895}
1896
abd242a9
DM		 1897static Elf_Internal_Rela *
1898sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1899 Elf_Internal_Rela *relend,
1900 bfd_vma offset)
1901{
1902 while (rel < relend)
1903 {
1904 if (rel->r_offset == offset)
1905 return rel;
1906 rel++;
1907 }
1908 return NULL;
1909}
1910
bb1dd176
QZ		 1911/* Remove undefined weak symbol from the dynamic symbol table if it
1912 is resolved to 0. */
1913
1914bfd_boolean
1915_bfd_sparc_elf_fixup_symbol (struct bfd_link_info *info,
07d6d2b8 1916 struct elf_link_hash_entry *h)
bb1dd176
QZ		 1917{
1918 if (h->dynindx != -1
1919 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info,
07d6d2b8 1920 _bfd_sparc_elf_hash_entry (h)))
bb1dd176
QZ		 1921 {
1922 h->dynindx = -1;
1923 _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
07d6d2b8 1924 h->dynstr_index);
bb1dd176
QZ		 1925 }
1926 return TRUE;
1927}
1928
63c1f59d
AM		 1929/* Find dynamic relocs for H that apply to read-only sections. */
1930
1931static asection *
1932readonly_dynrelocs (struct elf_link_hash_entry *h)
1933{
3bf083ed 1934 struct elf_dyn_relocs *p;
63c1f59d
AM		 1935
1936 for (p = _bfd_sparc_elf_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1937 {
1938 asection *s = p->sec->output_section;
1939
1940 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1941 return p->sec;
1942 }
1943 return NULL;
1944}
1945
22b75d0a
DM		 1946/* Adjust a symbol defined by a dynamic object and referenced by a
1947 regular object. The current definition is in some section of the
1948 dynamic object, but we're not including those sections. We have to
1949 change the definition to something the rest of the link can
1950 understand. */
1951
1952bfd_boolean
1953_bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1954 struct elf_link_hash_entry *h)
1955{
1956 struct _bfd_sparc_elf_link_hash_table *htab;
5474d94f 1957 asection *s, *srel;
22b75d0a
DM		 1958
1959 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 1960 BFD_ASSERT (htab != NULL);
22b75d0a
DM		 1961
1962 /* Make sure we know what is going on here. */
1963 BFD_ASSERT (htab->elf.dynobj != NULL
1964 && (h->needs_plt
d0c9aeb3 1965 || h->type == STT_GNU_IFUNC
60d67dc8 1966 || h->is_weakalias
22b75d0a
DM		 1967 || (h->def_dynamic
1968 && h->ref_regular
1969 && !h->def_regular)));
1970
1971 /* If this is a function, put it in the procedure linkage table. We
1972 will fill in the contents of the procedure linkage table later
1973 (although we could actually do it here). The STT_NOTYPE
1974 condition is a hack specifically for the Oracle libraries
1975 delivered for Solaris; for some inexplicable reason, they define
1976 some of their functions as STT_NOTYPE when they really should be
1977 STT_FUNC. */
1978 if (h->type == STT_FUNC
d0c9aeb3 1979 || h->type == STT_GNU_IFUNC
22b75d0a
DM		 1980 || h->needs_plt
1981 || (h->type == STT_NOTYPE
1982 && (h->root.type == bfd_link_hash_defined
1983 || h->root.type == bfd_link_hash_defweak)
1984 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1985 {
1986 if (h->plt.refcount <= 0
d0c9aeb3
DM		 1987 || (h->type != STT_GNU_IFUNC
1988 && (SYMBOL_CALLS_LOCAL (info, h)
a8735c82
EB		 1989 || (h->root.type == bfd_link_hash_undefweak
1990 && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT))))
22b75d0a
DM		 1991 {
1992 /* This case can occur if we saw a WPLT30 reloc in an input
1993 file, but the symbol was never referred to by a dynamic
1994 object, or if all references were garbage collected. In
1995 such a case, we don't actually need to build a procedure
1996 linkage table, and we can just do a WDISP30 reloc instead. */
1997 h->plt.offset = (bfd_vma) -1;
1998 h->needs_plt = 0;
1999 }
2000
2001 return TRUE;
2002 }
2003 else
2004 h->plt.offset = (bfd_vma) -1;
2005
2006 /* If this is a weak symbol, and there is a real definition, the
2007 processor independent code will have arranged for us to see the
2008 real definition first, and we can just use the same value. */
60d67dc8 2009 if (h->is_weakalias)
22b75d0a 2010 {
60d67dc8
AM		 2011 struct elf_link_hash_entry *def = weakdef (h);
2012 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
2013 h->root.u.def.section = def->root.u.def.section;
2014 h->root.u.def.value = def->root.u.def.value;
22b75d0a
DM		 2015 return TRUE;
2016 }
2017
2018 /* This is a reference to a symbol defined by a dynamic object which
2019 is not a function. */
2020
2021 /* If we are creating a shared library, we must presume that the
2022 only references to the symbol are via the global offset table.
2023 For such cases we need not do anything here; the relocations will
2024 be handled correctly by relocate_section. */
0e1862bb 2025 if (bfd_link_pic (info))
22b75d0a
DM		 2026 return TRUE;
2027
2028 /* If there are no references to this symbol that do not use the
2029 GOT, we don't need to generate a copy reloc. */
2030 if (!h->non_got_ref)
2031 return TRUE;
2032
72fbc6e5
DM		 2033 /* If -z nocopyreloc was given, we won't generate them either. */
2034 if (info->nocopyreloc)
2035 {
2036 h->non_got_ref = 0;
2037 return TRUE;
2038 }
2039
3bf083ed 2040 /* If we don't find any dynamic relocs in read-only sections, then
22b75d0a 2041 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
3bf083ed 2042 if (!readonly_dynrelocs (h))
22b75d0a
DM		 2043 {
2044 h->non_got_ref = 0;
2045 return TRUE;
2046 }
2047
2048 /* We must allocate the symbol in our .dynbss section, which will
2049 become part of the .bss section of the executable. There will be
2050 an entry for this symbol in the .dynsym section. The dynamic
2051 object will contain position independent code, so all references
2052 from the dynamic object to this symbol will go through the global
2053 offset table. The dynamic linker will use the .dynsym entry to
2054 determine the address it must put in the global offset table, so
2055 both the dynamic object and the regular object will refer to the
2056 same memory location for the variable. */
2057
2058 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2059 to copy the initial value out of the dynamic object and into the
2060 runtime process image. We need to remember the offset into the
2061 .rel.bss section we are going to use. */
5474d94f
AM		 2062 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
2063 {
2064 s = htab->elf.sdynrelro;
2065 srel = htab->elf.sreldynrelro;
2066 }
2067 else
2068 {
2069 s = htab->elf.sdynbss;
2070 srel = htab->elf.srelbss;
2071 }
1d7e9d18 2072 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
22b75d0a 2073 {
5474d94f 2074 srel->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a
DM		 2075 h->needs_copy = 1;
2076 }
2077
6cabe1ea 2078 return _bfd_elf_adjust_dynamic_copy (info, h, s);
22b75d0a
DM		 2079}
2080
2081/* Allocate space in .plt, .got and associated reloc sections for
2082 dynamic relocs. */
2083
2084static bfd_boolean
2c3fc389 2085allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
22b75d0a
DM		 2086{
2087 struct bfd_link_info *info;
2088 struct _bfd_sparc_elf_link_hash_table *htab;
2089 struct _bfd_sparc_elf_link_hash_entry *eh;
3bf083ed 2090 struct elf_dyn_relocs *p;
bb1dd176 2091 bfd_boolean resolved_to_zero;
22b75d0a
DM		 2092
2093 if (h->root.type == bfd_link_hash_indirect)
2094 return TRUE;
2095
22b75d0a
DM		 2096 info = (struct bfd_link_info *) inf;
2097 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 2098 BFD_ASSERT (htab != NULL);
22b75d0a 2099
bb1dd176
QZ		 2100 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2101 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
2102
d0c9aeb3
DM		 2103 if ((htab->elf.dynamic_sections_created
2104 && h->plt.refcount > 0)
2105 || (h->type == STT_GNU_IFUNC
b48ca1d4
DM		 2106 && h->def_regular
2107 && h->ref_regular))
22b75d0a 2108 {
a8735c82
EB		 2109 /* Undefined weak syms won't yet be marked as dynamic. */
2110 if (h->root.type == bfd_link_hash_undefweak
07d6d2b8 2111 && !resolved_to_zero
a8735c82
EB		 2112 && h->dynindx == -1
2113 && !h->forced_local)
22b75d0a
DM		 2114 {
2115 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2116 return FALSE;
2117 }
2118
0e1862bb 2119 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), h)
b48ca1d4
DM		 2120 || (h->type == STT_GNU_IFUNC
2121 && h->def_regular))
22b75d0a 2122 {
72fbc6e5 2123 asection *s = htab->elf.splt;
22b75d0a 2124
d0c9aeb3
DM		 2125 if (s == NULL)
2126 s = htab->elf.iplt;
2127
910600e9 2128 /* Allocate room for the header. */
22b75d0a 2129 if (s->size == 0)
910600e9
RS		 2130 {
2131 s->size = htab->plt_header_size;
2132
2133 /* Allocate space for the .rela.plt.unloaded relocations. */
0e1862bb 2134 if (htab->is_vxworks && !bfd_link_pic (info))
910600e9
RS		 2135 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2136 }
22b75d0a
DM		 2137
2138 /* The procedure linkage table size is bounded by the magnitude
2139 of the offset we can describe in the entry. */
2140 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
e8be8da4 2141 (((bfd_vma)1 << 31) << 1) : 0x400000))
22b75d0a
DM		 2142 {
2143 bfd_set_error (bfd_error_bad_value);
2144 return FALSE;
2145 }
2146
2147 if (SPARC_ELF_WORD_BYTES(htab) == 8
2148 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2149 {
2150 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2151
2152
2153 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2154
2155 h->plt.offset = (s->size - (off * 8));
2156 }
2157 else
2158 h->plt.offset = s->size;
2159
2160 /* If this symbol is not defined in a regular file, and we are
2161 not generating a shared library, then set the symbol to this
2162 location in the .plt. This is required to make function
2163 pointers compare as equal between the normal executable and
2164 the shared library. */
0e1862bb 2165 if (! bfd_link_pic (info)
22b75d0a
DM		 2166 && !h->def_regular)
2167 {
2168 h->root.u.def.section = s;
2169 h->root.u.def.value = h->plt.offset;
2170 }
2171
2172 /* Make room for this entry. */
910600e9 2173 s->size += htab->plt_entry_size;
22b75d0a 2174
07d6d2b8
AM		 2175 /* There should be no PLT relocations against resolved undefined
2176 weak symbols in the executable. */
2177 if (!resolved_to_zero)
2178 {
bb1dd176
QZ		 2179 /* We also need to make an entry in the .rela.plt section. */
2180 if (s == htab->elf.splt)
07d6d2b8 2181 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
bb1dd176 2182 else
07d6d2b8
AM		 2183 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2184 }
910600e9
RS		 2185
2186 if (htab->is_vxworks)
2187 {
2188 /* Allocate space for the .got.plt entry. */
72fbc6e5 2189 htab->elf.sgotplt->size += 4;
910600e9
RS		 2190
2191 /* ...and for the .rela.plt.unloaded relocations. */
0e1862bb 2192 if (!bfd_link_pic (info))
910600e9
RS		 2193 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2194 }
22b75d0a
DM		 2195 }
2196 else
2197 {
2198 h->plt.offset = (bfd_vma) -1;
2199 h->needs_plt = 0;
2200 }
2201 }
2202 else
2203 {
2204 h->plt.offset = (bfd_vma) -1;
2205 h->needs_plt = 0;
2206 }
2207
2208 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2209 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2210 if (h->got.refcount > 0
c20c30f6 2211 && bfd_link_executable (info)
22b75d0a
DM		 2212 && h->dynindx == -1
2213 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2214 h->got.offset = (bfd_vma) -1;
2215 else if (h->got.refcount > 0)
2216 {
2217 asection *s;
2218 bfd_boolean dyn;
2219 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2220
a8735c82
EB		 2221 /* Undefined weak syms won't yet be marked as dynamic. */
2222 if (h->root.type == bfd_link_hash_undefweak
07d6d2b8 2223 && !resolved_to_zero
a8735c82
EB		 2224 && h->dynindx == -1
2225 && !h->forced_local)
22b75d0a
DM		 2226 {
2227 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2228 return FALSE;
2229 }
2230
72fbc6e5 2231 s = htab->elf.sgot;
22b75d0a
DM		 2232 h->got.offset = s->size;
2233 s->size += SPARC_ELF_WORD_BYTES (htab);
2234 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2235 if (tls_type == GOT_TLS_GD)
2236 s->size += SPARC_ELF_WORD_BYTES (htab);
2237 dyn = htab->elf.dynamic_sections_created;
2238 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
a8735c82 2239 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
22b75d0a 2240 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
d0c9aeb3
DM		 2241 || tls_type == GOT_TLS_IE
2242 || h->type == STT_GNU_IFUNC)
72fbc6e5 2243 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a 2244 else if (tls_type == GOT_TLS_GD)
72fbc6e5 2245 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
a8735c82
EB		 2246 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
2247 /* Even if the symbol isn't dynamic, we may generate a
2248 reloc for the dynamic linker in PIC mode. */
2249 || (h->dynindx == -1
2250 && !h->forced_local
2251 && h->root.type != bfd_link_hash_undefweak
2252 && bfd_link_pic (info)))
2253 /* No dynamic relocations are needed against resolved
2254 undefined weak symbols in an executable. */
2255 && !(h->root.type == bfd_link_hash_undefweak
2256 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2257 || resolved_to_zero)))
72fbc6e5 2258 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a
DM		 2259 }
2260 else
2261 h->got.offset = (bfd_vma) -1;
2262
22b75d0a
DM		 2263 if (eh->dyn_relocs == NULL)
2264 return TRUE;
2265
2266 /* In the shared -Bsymbolic case, discard space allocated for
2267 dynamic pc-relative relocs against symbols which turn out to be
2268 defined in regular objects. For the normal shared case, discard
2269 space for pc-relative relocs that have become local due to symbol
2270 visibility changes. */
2271
0e1862bb 2272 if (bfd_link_pic (info))
22b75d0a 2273 {
72fbc6e5 2274 if (SYMBOL_CALLS_LOCAL (info, h))
22b75d0a 2275 {
3bf083ed 2276 struct elf_dyn_relocs **pp;
22b75d0a
DM		 2277
2278 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2279 {
2280 p->count -= p->pc_count;
2281 p->pc_count = 0;
2282 if (p->count == 0)
2283 *pp = p->next;
2284 else
2285 pp = &p->next;
2286 }
2287 }
22d606e9 2288
3348747a
NS		 2289 if (htab->is_vxworks)
2290 {
3bf083ed 2291 struct elf_dyn_relocs **pp;
3348747a
NS		 2292
2293 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2294 {
2295 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2296 *pp = p->next;
2297 else
2298 pp = &p->next;
2299 }
2300 }
2301
22d606e9 2302 /* Also discard relocs on undefined weak syms with non-default
bb1dd176 2303 visibility or in PIE. */
22d606e9
AM		 2304 if (eh->dyn_relocs != NULL
2305 && h->root.type == bfd_link_hash_undefweak)
2306 {
07d6d2b8 2307 /* An undefined weak symbol is never
bb1dd176
QZ		 2308 bound locally in a shared library. */
2309
2310 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
07d6d2b8
AM		 2311 || resolved_to_zero)
2312 {
2313 if (h->non_got_ref)
2314 {
2315 /* Keep dynamic non-GOT/non-PLT relocation so that we
2316 can branch to 0 without PLT. */
2317 struct elf_dyn_relocs **pp;
2318
2319 for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
2320 if (p->pc_count == 0)
2321 *pp = p->next;
2322 else
2323 {
2324 /* Remove other relocations. */
2325 p->count = p->pc_count;
2326 pp = &p->next;
2327 }
2328
2329 if (eh->dyn_relocs != NULL)
2330 {
2331 /* Make sure undefined weak symbols are output
2332 as dynamic symbols in PIEs for dynamic non-GOT
2333 non-PLT reloations. */
2334 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2335 return FALSE;
2336 }
2337 }
2338 else
2339 eh->dyn_relocs = NULL;
2340 }
22d606e9
AM		 2341
2342 /* Make sure undefined weak symbols are output as a dynamic
2343 symbol in PIEs. */
2344 else if (h->dynindx == -1
2345 && !h->forced_local)
2346 {
2347 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2348 return FALSE;
2349 }
2350 }
22b75d0a
DM		 2351 }
2352 else
2353 {
2354 /* For the non-shared case, discard space for relocs against
2355 symbols which turn out to need copy relocs or are not
2356 dynamic. */
2357
bb1dd176 2358 if ((!h->non_got_ref
07d6d2b8
AM		 2359 || (h->root.type == bfd_link_hash_undefweak
2360 && !resolved_to_zero))
22b75d0a
DM		 2361 && ((h->def_dynamic
2362 && !h->def_regular)
2363 || (htab->elf.dynamic_sections_created
2364 && (h->root.type == bfd_link_hash_undefweak
2365 || h->root.type == bfd_link_hash_undefined))))
2366 {
a8735c82
EB		 2367 /* Undefined weak syms won't yet be marked as dynamic. */
2368 if (h->root.type == bfd_link_hash_undefweak
07d6d2b8 2369 && !resolved_to_zero
a8735c82
EB		 2370 && h->dynindx == -1
2371 && !h->forced_local)
22b75d0a
DM		 2372 {
2373 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2374 return FALSE;
2375 }
2376
2377 /* If that succeeded, we know we'll be keeping all the
2378 relocs. */
2379 if (h->dynindx != -1)
2380 goto keep;
2381 }
2382
2383 eh->dyn_relocs = NULL;
2384
2385 keep: ;
2386 }
2387
2388 /* Finally, allocate space. */
2389 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2390 {
2391 asection *sreloc = elf_section_data (p->sec)->sreloc;
2392 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2393 }
2394
2395 return TRUE;
2396}
2397
d0c9aeb3
DM		 2398/* Allocate space in .plt, .got and associated reloc sections for
2399 local dynamic relocs. */
2400
2401static bfd_boolean
2402allocate_local_dynrelocs (void **slot, void *inf)
2403{
2404 struct elf_link_hash_entry *h
2405 = (struct elf_link_hash_entry *) *slot;
2406
2407 if (h->type != STT_GNU_IFUNC
2408 || !h->def_regular
2409 || !h->ref_regular
2410 || !h->forced_local
2411 || h->root.type != bfd_link_hash_defined)
2412 abort ();
2413
2414 return allocate_dynrelocs (h, inf);
2415}
2416
63c1f59d
AM		 2417/* Set DF_TEXTREL if we find any dynamic relocs that apply to
2418 read-only sections. */
22b75d0a
DM		 2419
2420static bfd_boolean
63c1f59d 2421maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
22b75d0a 2422{
63c1f59d 2423 asection *sec;
22b75d0a 2424
63c1f59d
AM		 2425 if (h->root.type == bfd_link_hash_indirect)
2426 return TRUE;
22b75d0a 2427
63c1f59d
AM		 2428 sec = readonly_dynrelocs (h);
2429 if (sec != NULL)
2430 {
2431 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
22b75d0a 2432
63c1f59d
AM		 2433 info->flags |= DF_TEXTREL;
2434 info->callbacks->minfo
c1c8c1ef 2435 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
63c1f59d 2436 sec->owner, h->root.root.string, sec);
f0f07ad1 2437
63c1f59d
AM		 2438 /* Not an error, just cut short the traversal. */
2439 return FALSE;
22b75d0a
DM		 2440 }
2441 return TRUE;
2442}
2443
2444/* Return true if the dynamic symbol for a given section should be
2445 omitted when creating a shared library. */
2446
2447bfd_boolean
2448_bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2449 struct bfd_link_info *info,
2450 asection *p)
2451{
2452 /* We keep the .got section symbol so that explicit relocations
2453 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2454 can be turned into relocations against the .got symbol. */
2455 if (strcmp (p->name, ".got") == 0)
2456 return FALSE;
2457
d00dd7dc 2458 return _bfd_elf_omit_section_dynsym_default (output_bfd, info, p);
22b75d0a
DM		 2459}
2460
2461/* Set the sizes of the dynamic sections. */
2462
2463bfd_boolean
2464_bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2465 struct bfd_link_info *info)
2466{
2467 struct _bfd_sparc_elf_link_hash_table *htab;
2468 bfd *dynobj;
2469 asection *s;
2470 bfd *ibfd;
2471
2472 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 2473 BFD_ASSERT (htab != NULL);
22b75d0a
DM		 2474 dynobj = htab->elf.dynobj;
2475 BFD_ASSERT (dynobj != NULL);
2476
2477 if (elf_hash_table (info)->dynamic_sections_created)
2478 {
2479 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 2480 if (bfd_link_executable (info) && !info->nointerp)
07d6d2b8
AM		 2481 {
2482 s = bfd_get_linker_section (dynobj, ".interp");
2483 BFD_ASSERT (s != NULL);
2484 s->size = htab->dynamic_interpreter_size;
2485 s->contents = (unsigned char *) htab->dynamic_interpreter;
2486 htab->interp = s;
2487 }
22b75d0a
DM		 2488 }
2489
2490 /* Set up .got offsets for local syms, and space for local dynamic
2491 relocs. */
c72f2fb2 2492 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
22b75d0a
DM		 2493 {
2494 bfd_signed_vma *local_got;
2495 bfd_signed_vma *end_local_got;
2496 char *local_tls_type;
2497 bfd_size_type locsymcount;
2498 Elf_Internal_Shdr *symtab_hdr;
2499 asection *srel;
2500
0ffa91dd 2501 if (! is_sparc_elf (ibfd))
22b75d0a
DM		 2502 continue;
2503
2504 for (s = ibfd->sections; s != NULL; s = s->next)
2505 {
3bf083ed 2506 struct elf_dyn_relocs *p;
22b75d0a 2507
6edfbbad 2508 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
22b75d0a
DM		 2509 {
2510 if (!bfd_is_abs_section (p->sec)
2511 && bfd_is_abs_section (p->sec->output_section))
2512 {
2513 /* Input section has been discarded, either because
2514 it is a copy of a linkonce section or due to
2515 linker script /DISCARD/, so we'll be discarding
2516 the relocs too. */
2517 }
3348747a
NS		 2518 else if (htab->is_vxworks
2519 && strcmp (p->sec->output_section->name,
2520 ".tls_vars") == 0)
2521 {
2522 /* Relocations in vxworks .tls_vars sections are
2523 handled specially by the loader. */
2524 }
22b75d0a
DM		 2525 else if (p->count != 0)
2526 {
2527 srel = elf_section_data (p->sec)->sreloc;
d0c9aeb3
DM		 2528 if (!htab->elf.dynamic_sections_created)
2529 srel = htab->elf.irelplt;
22b75d0a
DM		 2530 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2531 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
f0f07ad1
L		 2532 {
2533 info->flags |= DF_TEXTREL;
871b3ab2 2534 info->callbacks->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
f0f07ad1
L		 2535 p->sec->owner, p->sec);
2536 }
22b75d0a
DM		 2537 }
2538 }
2539 }
2540
2541 local_got = elf_local_got_refcounts (ibfd);
2542 if (!local_got)
2543 continue;
2544
0ffa91dd 2545 symtab_hdr = &elf_symtab_hdr (ibfd);
22b75d0a
DM		 2546 locsymcount = symtab_hdr->sh_info;
2547 end_local_got = local_got + locsymcount;
2548 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
72fbc6e5
DM		 2549 s = htab->elf.sgot;
2550 srel = htab->elf.srelgot;
22b75d0a
DM		 2551 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2552 {
2553 if (*local_got > 0)
2554 {
2555 *local_got = s->size;
2556 s->size += SPARC_ELF_WORD_BYTES (htab);
2557 if (*local_tls_type == GOT_TLS_GD)
2558 s->size += SPARC_ELF_WORD_BYTES (htab);
0e1862bb 2559 if (bfd_link_pic (info)
22b75d0a
DM		 2560 || *local_tls_type == GOT_TLS_GD
2561 || *local_tls_type == GOT_TLS_IE)
2562 srel->size += SPARC_ELF_RELA_BYTES (htab);
2563 }
2564 else
2565 *local_got = (bfd_vma) -1;
2566 }
2567 }
2568
2569 if (htab->tls_ldm_got.refcount > 0)
2570 {
2571 /* Allocate 2 got entries and 1 dynamic reloc for
2572 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
72fbc6e5
DM		 2573 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2574 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2575 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
22b75d0a
DM		 2576 }
2577 else
2578 htab->tls_ldm_got.offset = -1;
2579
2580 /* Allocate global sym .plt and .got entries, and space for global
2581 sym dynamic relocs. */
2c3fc389 2582 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
22b75d0a 2583
d0c9aeb3
DM		 2584 /* Allocate .plt and .got entries, and space for local symbols. */
2585 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2586
0fc9967d
JM		 2587 if (! ABI_64_P (output_bfd)
2588 && !htab->is_vxworks
22b75d0a
DM		 2589 && elf_hash_table (info)->dynamic_sections_created)
2590 {
0fc9967d
JM		 2591 /* Make space for the trailing nop in .plt. */
2592 if (htab->elf.splt->size > 0)
2593 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
22b75d0a
DM		 2594
2595 /* If the .got section is more than 0x1000 bytes, we add
2596 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
0fc9967d
JM		 2597 bit relocations have a greater chance of working.
2598
2599 FIXME: Make this optimization work for 64-bit too. */
72fbc6e5 2600 if (htab->elf.sgot->size >= 0x1000
22b75d0a
DM		 2601 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2602 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2603 }
2604
2605 /* The check_relocs and adjust_dynamic_symbol entry points have
2606 determined the sizes of the various dynamic sections. Allocate
2607 memory for them. */
2608 for (s = dynobj->sections; s != NULL; s = s->next)
2609 {
22b75d0a
DM		 2610 if ((s->flags & SEC_LINKER_CREATED) == 0)
2611 continue;
2612
72fbc6e5
DM		 2613 if (s == htab->elf.splt
2614 || s == htab->elf.sgot
9d19e4fd 2615 || s == htab->elf.sdynbss
5474d94f 2616 || s == htab->elf.sdynrelro
d0c9aeb3 2617 || s == htab->elf.iplt
72fbc6e5 2618 || s == htab->elf.sgotplt)
22b75d0a 2619 {
c456f082
AM		 2620 /* Strip this section if we don't need it; see the
2621 comment below. */
2622 }
0112cd26 2623 else if (CONST_STRNEQ (s->name, ".rela"))
c456f082
AM		 2624 {
2625 if (s->size != 0)
22b75d0a
DM		 2626 {
2627 /* We use the reloc_count field as a counter if we need
2628 to copy relocs into the output file. */
2629 s->reloc_count = 0;
2630 }
2631 }
c456f082 2632 else
22b75d0a 2633 {
c456f082 2634 /* It's not one of our sections. */
22b75d0a
DM		 2635 continue;
2636 }
2637
c456f082 2638 if (s->size == 0)
22b75d0a 2639 {
c456f082
AM		 2640 /* If we don't need this section, strip it from the
2641 output file. This is mostly to handle .rela.bss and
2642 .rela.plt. We must create both sections in
2643 create_dynamic_sections, because they must be created
2644 before the linker maps input sections to output
2645 sections. The linker does that before
2646 adjust_dynamic_symbol is called, and it is that
2647 function which decides whether anything needs to go
2648 into these sections. */
8423293d 2649 s->flags |= SEC_EXCLUDE;
22b75d0a
DM		 2650 continue;
2651 }
2652
c456f082
AM		 2653 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2654 continue;
2655
22b75d0a
DM		 2656 /* Allocate memory for the section contents. Zero the memory
2657 for the benefit of .rela.plt, which has 4 unused entries
2658 at the beginning, and we don't want garbage. */
2659 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
c456f082 2660 if (s->contents == NULL)
22b75d0a
DM		 2661 return FALSE;
2662 }
2663
2664 if (elf_hash_table (info)->dynamic_sections_created)
2665 {
2666 /* Add some entries to the .dynamic section. We fill in the
2667 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2668 must add the entries now so that we get the correct size for
2669 the .dynamic section. The DT_DEBUG entry is filled in by the
2670 dynamic linker and used by the debugger. */
2671#define add_dynamic_entry(TAG, VAL) \
2672 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2673
0e1862bb 2674 if (bfd_link_executable (info))
22b75d0a
DM		 2675 {
2676 if (!add_dynamic_entry (DT_DEBUG, 0))
2677 return FALSE;
2678 }
2679
72fbc6e5 2680 if (htab->elf.srelplt->size != 0)
22b75d0a
DM		 2681 {
2682 if (!add_dynamic_entry (DT_PLTGOT, 0)
2683 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2684 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2685 || !add_dynamic_entry (DT_JMPREL, 0))
2686 return FALSE;
2687 }
2688
2689 if (!add_dynamic_entry (DT_RELA, 0)
2690 || !add_dynamic_entry (DT_RELASZ, 0)
2691 || !add_dynamic_entry (DT_RELAENT,
2692 SPARC_ELF_RELA_BYTES (htab)))
2693 return FALSE;
2694
2695 /* If any dynamic relocs apply to a read-only section,
2696 then we need a DT_TEXTREL entry. */
2697 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 2698 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
22b75d0a
DM		 2699
2700 if (info->flags & DF_TEXTREL)
2701 {
2702 if (!add_dynamic_entry (DT_TEXTREL, 0))
2703 return FALSE;
2704 }
2705
2706 if (ABI_64_P (output_bfd))
2707 {
2708 int reg;
2709 struct _bfd_sparc_elf_app_reg * app_regs;
2710 struct elf_strtab_hash *dynstr;
2711 struct elf_link_hash_table *eht = elf_hash_table (info);
2712
2713 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2714 entries if needed. */
2715 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2716 dynstr = eht->dynstr;
2717
2718 for (reg = 0; reg < 4; reg++)
2719 if (app_regs [reg].name != NULL)
2720 {
2721 struct elf_link_local_dynamic_entry *entry, *e;
2722
2723 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2724 return FALSE;
2725
2726 entry = (struct elf_link_local_dynamic_entry *)
2727 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2728 if (entry == NULL)
2729 return FALSE;
2730
2731 /* We cheat here a little bit: the symbol will not be local, so we
2732 put it at the end of the dynlocal linked list. We will fix it
2733 later on, as we have to fix other fields anyway. */
2734 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2735 entry->isym.st_size = 0;
2736 if (*app_regs [reg].name != '\0')
2737 entry->isym.st_name
2738 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2739 else
2740 entry->isym.st_name = 0;
2741 entry->isym.st_other = 0;
2742 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2743 STT_REGISTER);
2744 entry->isym.st_shndx = app_regs [reg].shndx;
35fc36a8 2745 entry->isym.st_target_internal = 0;
22b75d0a
DM		 2746 entry->next = NULL;
2747 entry->input_bfd = output_bfd;
2748 entry->input_indx = -1;
2749
2750 if (eht->dynlocal == NULL)
2751 eht->dynlocal = entry;
2752 else
2753 {
2754 for (e = eht->dynlocal; e->next; e = e->next)
2755 ;
2756 e->next = entry;
2757 }
2758 eht->dynsymcount++;
2759 }
2760 }
7a2b07ff
NS		 2761 if (htab->is_vxworks
2762 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2763 return FALSE;
22b75d0a
DM		 2764 }
2765#undef add_dynamic_entry
2766
2767 return TRUE;
2768}
2769\f
2770bfd_boolean
2771_bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2772{
f592407e
AM		 2773 if (!sec->used_by_bfd)
2774 {
2775 struct _bfd_sparc_elf_section_data *sdata;
2776 bfd_size_type amt = sizeof (*sdata);
22b75d0a 2777
f592407e
AM		 2778 sdata = bfd_zalloc (abfd, amt);
2779 if (sdata == NULL)
2780 return FALSE;
2781 sec->used_by_bfd = sdata;
2782 }
22b75d0a
DM		 2783
2784 return _bfd_elf_new_section_hook (abfd, sec);
2785}
2786
2787bfd_boolean
2788_bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2789 struct bfd_section *section,
2790 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2791 bfd_boolean *again)
2792{
0e1862bb 2793 if (bfd_link_relocatable (link_info))
c8a1f254
NS		 2794 (*link_info->callbacks->einfo)
2795 (_("%P%F: --relax and -r may not be used together\n"));
2796
22b75d0a
DM		 2797 *again = FALSE;
2798 sec_do_relax (section) = 1;
2799 return TRUE;
2800}
2801\f
2802/* Return the base VMA address which should be subtracted from real addresses
2803 when resolving @dtpoff relocation.
2804 This is PT_TLS segment p_vaddr. */
2805
2806static bfd_vma
2807dtpoff_base (struct bfd_link_info *info)
2808{
2809 /* If tls_sec is NULL, we should have signalled an error already. */
2810 if (elf_hash_table (info)->tls_sec == NULL)
2811 return 0;
2812 return elf_hash_table (info)->tls_sec->vma;
2813}
2814
2815/* Return the relocation value for @tpoff relocation
2816 if STT_TLS virtual address is ADDRESS. */
2817
2818static bfd_vma
2819tpoff (struct bfd_link_info *info, bfd_vma address)
2820{
2821 struct elf_link_hash_table *htab = elf_hash_table (info);
1360ba76
RO		 2822 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2823 bfd_vma static_tls_size;
22b75d0a
DM		 2824
2825 /* If tls_sec is NULL, we should have signalled an error already. */
2826 if (htab->tls_sec == NULL)
2827 return 0;
1360ba76
RO		 2828
2829 /* Consider special static TLS alignment requirements. */
2830 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2831 return address - static_tls_size - htab->tls_sec->vma;
22b75d0a
DM		 2832}
2833
00c50991
DM		 2834/* Return the relocation value for a %gdop relocation. */
2835
2836static bfd_vma
2837gdopoff (struct bfd_link_info *info, bfd_vma address)
2838{
2839 struct elf_link_hash_table *htab = elf_hash_table (info);
2840 bfd_vma got_base;
2841
2842 got_base = (htab->hgot->root.u.def.value
2843 + htab->hgot->root.u.def.section->output_offset
2844 + htab->hgot->root.u.def.section->output_section->vma);
2845
2846 return address - got_base;
2847}
2848
5b86074c
AM		 2849/* Return whether H is local and its ADDRESS is within 4G of
2850 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2851 sethi, xor sequence. */
2852
2853static bfd_boolean
2854gdop_relative_offset_ok (struct bfd_link_info *info,
2855 struct elf_link_hash_entry *h,
2856 bfd_vma address ATTRIBUTE_UNUSED)
2857{
2858 if (!SYMBOL_REFERENCES_LOCAL (info, h))
2859 return FALSE;
2860 /* If H is undefined, ADDRESS will be zero. We can't allow a
2861 relative offset to "zero" when producing PIEs or shared libs.
2862 Note that to get here with an undefined symbol it must also be
2863 hidden or internal visibility. */
2864 if (bfd_link_pic (info)
2865 && h != NULL
2866 && (h->root.type == bfd_link_hash_undefweak
2867 || h->root.type == bfd_link_hash_undefined))
2868 return FALSE;
2869#ifdef BFD64
2870 return gdopoff (info, address) + ((bfd_vma) 1 << 32) < (bfd_vma) 2 << 32;
2871#else
2872 return TRUE;
2873#endif
2874}
2875
22b75d0a
DM		 2876/* Relocate a SPARC ELF section. */
2877
2878bfd_boolean
ab96bf03
AM		 2879_bfd_sparc_elf_relocate_section (bfd *output_bfd,
2880 struct bfd_link_info *info,
2881 bfd *input_bfd,
2882 asection *input_section,
2883 bfd_byte *contents,
2884 Elf_Internal_Rela *relocs,
2885 Elf_Internal_Sym *local_syms,
2886 asection **local_sections)
22b75d0a
DM		 2887{
2888 struct _bfd_sparc_elf_link_hash_table *htab;
2889 Elf_Internal_Shdr *symtab_hdr;
2890 struct elf_link_hash_entry **sym_hashes;
2891 bfd_vma *local_got_offsets;
2892 bfd_vma got_base;
2893 asection *sreloc;
2894 Elf_Internal_Rela *rel;
2895 Elf_Internal_Rela *relend;
2896 int num_relocs;
3348747a 2897 bfd_boolean is_vxworks_tls;
22b75d0a 2898
22b75d0a 2899 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 2900 BFD_ASSERT (htab != NULL);
0ffa91dd 2901 symtab_hdr = &elf_symtab_hdr (input_bfd);
22b75d0a
DM		 2902 sym_hashes = elf_sym_hashes (input_bfd);
2903 local_got_offsets = elf_local_got_offsets (input_bfd);
2904
2905 if (elf_hash_table (info)->hgot == NULL)
2906 got_base = 0;
2907 else
2908 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2909
2910 sreloc = elf_section_data (input_section)->sreloc;
3348747a
NS		 2911 /* We have to handle relocations in vxworks .tls_vars sections
2912 specially, because the dynamic loader is 'weird'. */
0e1862bb 2913 is_vxworks_tls = (htab->is_vxworks && bfd_link_pic (info)
3348747a
NS		 2914 && !strcmp (input_section->output_section->name,
2915 ".tls_vars"));
22b75d0a
DM		 2916
2917 rel = relocs;
2918 if (ABI_64_P (output_bfd))
d4730f92 2919 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
22b75d0a
DM		 2920 else
2921 num_relocs = input_section->reloc_count;
2922 relend = relocs + num_relocs;
2923 for (; rel < relend; rel++)
2924 {
2925 int r_type, tls_type;
2926 reloc_howto_type *howto;
2927 unsigned long r_symndx;
2928 struct elf_link_hash_entry *h;
bb1dd176 2929 struct _bfd_sparc_elf_link_hash_entry *eh;
22b75d0a
DM		 2930 Elf_Internal_Sym *sym;
2931 asection *sec;
2932 bfd_vma relocation, off;
2933 bfd_reloc_status_type r;
2934 bfd_boolean is_plt = FALSE;
2935 bfd_boolean unresolved_reloc;
bb1dd176 2936 bfd_boolean resolved_to_zero;
ec1acaba 2937 bfd_boolean relative_reloc;
22b75d0a
DM		 2938
2939 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2940 if (r_type == R_SPARC_GNU_VTINHERIT
2941 || r_type == R_SPARC_GNU_VTENTRY)
2942 continue;
2943
2944 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2945 {
2946 bfd_set_error (bfd_error_bad_value);
2947 return FALSE;
2948 }
22b75d0a 2949
c20c30f6 2950 howto = _bfd_sparc_elf_howto_table + r_type;
22b75d0a
DM		 2951 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2952 h = NULL;
2953 sym = NULL;
2954 sec = NULL;
2955 unresolved_reloc = FALSE;
2956 if (r_symndx < symtab_hdr->sh_info)
2957 {
2958 sym = local_syms + r_symndx;
2959 sec = local_sections[r_symndx];
2960 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
d0c9aeb3 2961
0e1862bb 2962 if (!bfd_link_relocatable (info)
d0c9aeb3
DM		 2963 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2964 {
2965 /* Relocate against local STT_GNU_IFUNC symbol. */
2966 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2967 rel, FALSE);
2968 if (h == NULL)
2969 abort ();
2970
68ffbac6 2971 /* Set STT_GNU_IFUNC symbol value. */
d0c9aeb3
DM		 2972 h->root.u.def.value = sym->st_value;
2973 h->root.u.def.section = sec;
2974 }
22b75d0a
DM		 2975 }
2976 else
2977 {
62d887d4 2978 bfd_boolean warned, ignored;
22b75d0a
DM		 2979
2980 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2981 r_symndx, symtab_hdr, sym_hashes,
2982 h, sec, relocation,
62d887d4 2983 unresolved_reloc, warned, ignored);
22b75d0a
DM		 2984 if (warned)
2985 {
2986 /* To avoid generating warning messages about truncated
2987 relocations, set the relocation's address to be the same as
2988 the start of this section. */
2989 if (input_section->output_section != NULL)
2990 relocation = input_section->output_section->vma;
2991 else
2992 relocation = 0;
2993 }
2994 }
2995
dbaa2011 2996 if (sec != NULL && discarded_section (sec))
e4067dbb 2997 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2998 rel, 1, relend, howto, 0, contents);
ab96bf03 2999
0e1862bb 3000 if (bfd_link_relocatable (info))
ab96bf03
AM		 3001 continue;
3002
d0c9aeb3
DM		 3003 if (h != NULL
3004 && h->type == STT_GNU_IFUNC
3005 && h->def_regular)
3006 {
3007 asection *plt_sec;
3008 const char *name;
3009
3010 if ((input_section->flags & SEC_ALLOC) == 0
3011 || h->plt.offset == (bfd_vma) -1)
f657f8c4
NC		 3012 {
3013 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3014 STT_GNU_IFUNC symbol as STT_FUNC. */
3015 if (elf_section_type (input_section) == SHT_NOTE)
3016 goto skip_ifunc;
3017 abort ();
3018 }
d0c9aeb3
DM		 3019
3020 plt_sec = htab->elf.splt;
3021 if (! plt_sec)
3022 plt_sec =htab->elf.iplt;
3023
3024 switch (r_type)
3025 {
00c50991
DM		 3026 case R_SPARC_GOTDATA_OP:
3027 continue;
3028
d0c9aeb3
DM		 3029 case R_SPARC_GOTDATA_OP_HIX22:
3030 case R_SPARC_GOTDATA_OP_LOX10:
00c50991
DM		 3031 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3032 ? R_SPARC_GOT22
3033 : R_SPARC_GOT10);
3034 howto = _bfd_sparc_elf_howto_table + r_type;
3035 /* Fall through. */
3036
d0c9aeb3
DM		 3037 case R_SPARC_GOT10:
3038 case R_SPARC_GOT13:
3039 case R_SPARC_GOT22:
3040 if (htab->elf.sgot == NULL)
3041 abort ();
3042 off = h->got.offset;
3043 if (off == (bfd_vma) -1)
3044 abort();
3045 relocation = htab->elf.sgot->output_offset + off - got_base;
3046 goto do_relocation;
3047
3048 case R_SPARC_WPLT30:
3049 case R_SPARC_WDISP30:
3050 relocation = (plt_sec->output_section->vma
3051 + plt_sec->output_offset + h->plt.offset);
3052 goto do_relocation;
3053
3054 case R_SPARC_32:
3055 case R_SPARC_64:
0e1862bb 3056 if (bfd_link_pic (info) && h->non_got_ref)
d0c9aeb3
DM		 3057 {
3058 Elf_Internal_Rela outrel;
3059 bfd_vma offset;
3060
3061 offset = _bfd_elf_section_offset (output_bfd, info,
3062 input_section,
3063 rel->r_offset);
3064 if (offset == (bfd_vma) -1
3065 || offset == (bfd_vma) -2)
3066 abort();
3067
3068 outrel.r_offset = (input_section->output_section->vma
3069 + input_section->output_offset
3070 + offset);
3071
3072 if (h->dynindx == -1
3073 || h->forced_local
0e1862bb 3074 || bfd_link_executable (info))
d0c9aeb3
DM		 3075 {
3076 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3077 0, R_SPARC_IRELATIVE);
3078 outrel.r_addend = relocation + rel->r_addend;
3079 }
3080 else
3081 {
3082 if (h->dynindx == -1)
3083 abort();
3084 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3085 outrel.r_addend = rel->r_addend;
3086 }
3087
3088 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3089 continue;
3090 }
3091
3092 relocation = (plt_sec->output_section->vma
3093 + plt_sec->output_offset + h->plt.offset);
3094 goto do_relocation;
3095
3096 case R_SPARC_HI22:
3097 case R_SPARC_LO10:
3098 /* We should only see such relocs in static links. */
0e1862bb 3099 if (bfd_link_pic (info))
d0c9aeb3
DM		 3100 abort();
3101 relocation = (plt_sec->output_section->vma
3102 + plt_sec->output_offset + h->plt.offset);
3103 goto do_relocation;
3104
3105 default:
3106 if (h->root.root.string)
3107 name = h->root.root.string;
3108 else
3109 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3110 NULL);
4eca0228 3111 _bfd_error_handler
695344c0 3112 /* xgettext:c-format */
871b3ab2 3113 (_("%pB: relocation %s against STT_GNU_IFUNC "
d0c9aeb3
DM		 3114 "symbol `%s' isn't handled by %s"), input_bfd,
3115 _bfd_sparc_elf_howto_table[r_type].name,
3116 name, __FUNCTION__);
3117 bfd_set_error (bfd_error_bad_value);
3118 return FALSE;
3119 }
3120 }
3121
f657f8c4 3122 skip_ifunc:
bb1dd176 3123 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
c20c30f6 3124 resolved_to_zero = eh && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
bb1dd176 3125
22b75d0a
DM		 3126 switch (r_type)
3127 {
739f7f82
DM		 3128 case R_SPARC_GOTDATA_OP_HIX22:
3129 case R_SPARC_GOTDATA_OP_LOX10:
5b86074c 3130 if (gdop_relative_offset_ok (info, h, relocation))
cc133f9f
JC		 3131 {
3132 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3133 ? R_SPARC_GOTDATA_HIX22
3134 : R_SPARC_GOTDATA_LOX10);
3135 howto = _bfd_sparc_elf_howto_table + r_type;
3136 }
00c50991
DM		 3137 break;
3138
3139 case R_SPARC_GOTDATA_OP:
5b86074c 3140 if (gdop_relative_offset_ok (info, h, relocation))
00c50991
DM		 3141 {
3142 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3143
3144 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3145 relocation = 0x80000000 | (insn & 0x3e07c01f);
3146 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
a8735c82
EB		 3147
3148 /* If the symbol is global but not dynamic, an .rela.* slot has
f8745e1c
EB		 3149 been allocated for it in the GOT so output R_SPARC_NONE here,
3150 if it isn't also subject to another, old-style GOT relocation.
3151 See also the handling of these GOT relocations just below. */
a8735c82
EB		 3152 if (h != NULL
3153 && h->dynindx == -1
3154 && !h->forced_local
3155 && h->root.type != bfd_link_hash_undefweak
f8745e1c 3156 && !eh->has_old_style_got_reloc
a8735c82
EB		 3157 && (h->got.offset & 1) == 0
3158 && bfd_link_pic (info))
3159 {
3160 asection *s = htab->elf.srelgot;
3161 Elf_Internal_Rela outrel;
3162
3163 BFD_ASSERT (s != NULL);
3164
3165 memset (&outrel, 0, sizeof outrel);
3166 sparc_elf_append_rela (output_bfd, s, &outrel);
3167 h->got.offset |= 1;
3168 }
00c50991
DM		 3169 }
3170 continue;
3171 }
3172
3173 switch (r_type)
3174 {
3175 case R_SPARC_GOTDATA_HIX22:
3176 case R_SPARC_GOTDATA_LOX10:
3177 relocation = gdopoff (info, relocation);
3178 break;
739f7f82 3179
cc133f9f
JC		 3180 case R_SPARC_GOTDATA_OP_HIX22:
3181 case R_SPARC_GOTDATA_OP_LOX10:
22b75d0a
DM		 3182 case R_SPARC_GOT10:
3183 case R_SPARC_GOT13:
3184 case R_SPARC_GOT22:
3185 /* Relocation is to the entry for this symbol in the global
3186 offset table. */
72fbc6e5 3187 if (htab->elf.sgot == NULL)
22b75d0a
DM		 3188 abort ();
3189
ec1acaba 3190 relative_reloc = FALSE;
22b75d0a
DM		 3191 if (h != NULL)
3192 {
3193 bfd_boolean dyn;
3194
3195 off = h->got.offset;
3196 BFD_ASSERT (off != (bfd_vma) -1);
3197 dyn = elf_hash_table (info)->dynamic_sections_created;
3198
0e1862bb
L		 3199 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
3200 bfd_link_pic (info),
3201 h)
3202 || (bfd_link_pic (info)
72fbc6e5 3203 && SYMBOL_REFERENCES_LOCAL (info, h)))
22b75d0a
DM		 3204 {
3205 /* This is actually a static link, or it is a
3206 -Bsymbolic link and the symbol is defined
3207 locally, or the symbol was forced to be local
3208 because of a version file. We must initialize
3209 this entry in the global offset table. Since the
3210 offset must always be a multiple of 8 for 64-bit
3211 and 4 for 32-bit, we use the least significant bit
3212 to record whether we have initialized it already.
3213
3214 When doing a dynamic link, we create a .rela.got
3215 relocation entry to initialize the value. This
3216 is done in the finish_dynamic_symbol routine. */
3217 if ((off & 1) != 0)
3218 off &= ~1;
3219 else
3220 {
a8735c82
EB		 3221 /* If this symbol isn't dynamic in PIC mode, treat it
3222 like a local symbol in PIC mode below. */
ec1acaba
EB		 3223 if (h->dynindx == -1
3224 && !h->forced_local
3225 && h->root.type != bfd_link_hash_undefweak
3226 && bfd_link_pic (info))
a8735c82 3227 relative_reloc = TRUE;
a9d44aad
AM		 3228 else
3229 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3230 htab->elf.sgot->contents + off);
3231 h->got.offset |= 1;
22b75d0a
DM		 3232 }
3233 }
3234 else
3235 unresolved_reloc = FALSE;
3236 }
3237 else
3238 {
3239 BFD_ASSERT (local_got_offsets != NULL
3240 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3241
3242 off = local_got_offsets[r_symndx];
3243
3244 /* The offset must always be a multiple of 8 on 64-bit and
3245 4 on 32-bit. We use the least significant bit to record
3246 whether we have already processed this entry. */
3247 if ((off & 1) != 0)
3248 off &= ~1;
3249 else
3250 {
a8735c82
EB		 3251 /* For a local symbol in PIC mode, we need to generate a
3252 R_SPARC_RELATIVE reloc for the dynamic linker. */
0e1862bb 3253 if (bfd_link_pic (info))
a9d44aad
AM		 3254 relative_reloc = TRUE;
3255 else
3256 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3257 htab->elf.sgot->contents + off);
22b75d0a
DM		 3258 local_got_offsets[r_symndx] |= 1;
3259 }
3260 }
ec1acaba
EB		 3261
3262 if (relative_reloc)
3263 {
a8735c82 3264 asection *s = htab->elf.srelgot;
ec1acaba
EB		 3265 Elf_Internal_Rela outrel;
3266
ec1acaba
EB		 3267 BFD_ASSERT (s != NULL);
3268
3269 outrel.r_offset = (htab->elf.sgot->output_section->vma
3270 + htab->elf.sgot->output_offset
3271 + off);
3272 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3273 0, R_SPARC_RELATIVE);
3274 outrel.r_addend = relocation;
ec1acaba 3275 sparc_elf_append_rela (output_bfd, s, &outrel);
a9d44aad
AM		 3276 /* Versions of glibc ld.so at least up to 2.26 wrongly
3277 add the section contents to the value calculated for
3278 a RELATIVE reloc. Zero the contents to work around
3279 this bug. */
3280 relocation = 0;
3281 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3282 htab->elf.sgot->contents + off);
ec1acaba
EB		 3283 }
3284
72fbc6e5 3285 relocation = htab->elf.sgot->output_offset + off - got_base;
22b75d0a
DM		 3286 break;
3287
3288 case R_SPARC_PLT32:
3289 case R_SPARC_PLT64:
3290 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3291 {
3292 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3293 goto r_sparc_plt32;
3294 }
3295 /* Fall through. */
3296
3297 case R_SPARC_WPLT30:
3298 case R_SPARC_HIPLT22:
3299 case R_SPARC_LOPLT10:
3300 case R_SPARC_PCPLT32:
3301 case R_SPARC_PCPLT22:
3302 case R_SPARC_PCPLT10:
3303 r_sparc_wplt30:
3304 /* Relocation is to the entry for this symbol in the
3305 procedure linkage table. */
3306
3307 if (! ABI_64_P (output_bfd))
3308 {
3309 /* The Solaris native assembler will generate a WPLT30 reloc
3310 for a local symbol if you assemble a call from one
3311 section to another when using -K pic. We treat it as
3312 WDISP30. */
3313 if (h == NULL)
3314 break;
3315 }
68ffbac6 3316 /* PR 7027: We need similar behaviour for 64-bit binaries. */
af1fb11f
NC		 3317 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3318 break;
22b75d0a
DM		 3319 else
3320 {
3321 BFD_ASSERT (h != NULL);
3322 }
3323
72fbc6e5 3324 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
22b75d0a
DM		 3325 {
3326 /* We didn't make a PLT entry for this symbol. This
3327 happens when statically linking PIC code, or when
3328 using -Bsymbolic. */
3329 break;
3330 }
3331
72fbc6e5
DM		 3332 relocation = (htab->elf.splt->output_section->vma
3333 + htab->elf.splt->output_offset
22b75d0a
DM		 3334 + h->plt.offset);
3335 unresolved_reloc = FALSE;
3336 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3337 {
3338 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3339 is_plt = TRUE;
3340 goto r_sparc_plt32;
3341 }
3342 break;
3343
3344 case R_SPARC_PC10:
3345 case R_SPARC_PC22:
3346 case R_SPARC_PC_HH22:
3347 case R_SPARC_PC_HM10:
3348 case R_SPARC_PC_LM22:
3349 if (h != NULL
3350 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3351 break;
3352 /* Fall through. */
3353 case R_SPARC_DISP8:
3354 case R_SPARC_DISP16:
3355 case R_SPARC_DISP32:
3356 case R_SPARC_DISP64:
3357 case R_SPARC_WDISP30:
3358 case R_SPARC_WDISP22:
3359 case R_SPARC_WDISP19:
3360 case R_SPARC_WDISP16:
2615994e 3361 case R_SPARC_WDISP10:
22b75d0a
DM		 3362 case R_SPARC_8:
3363 case R_SPARC_16:
3364 case R_SPARC_32:
3365 case R_SPARC_HI22:
3366 case R_SPARC_22:
3367 case R_SPARC_13:
3368 case R_SPARC_LO10:
3369 case R_SPARC_UA16:
3370 case R_SPARC_UA32:
3371 case R_SPARC_10:
3372 case R_SPARC_11:
3373 case R_SPARC_64:
3374 case R_SPARC_OLO10:
3375 case R_SPARC_HH22:
3376 case R_SPARC_HM10:
3377 case R_SPARC_LM22:
3378 case R_SPARC_7:
3379 case R_SPARC_5:
3380 case R_SPARC_6:
3381 case R_SPARC_HIX22:
3382 case R_SPARC_LOX10:
3383 case R_SPARC_H44:
3384 case R_SPARC_M44:
3385 case R_SPARC_L44:
2615994e 3386 case R_SPARC_H34:
22b75d0a
DM		 3387 case R_SPARC_UA64:
3388 r_sparc_plt32:
c20c30f6 3389 if ((input_section->flags & SEC_ALLOC) == 0 || is_vxworks_tls)
22b75d0a
DM		 3390 break;
3391
07d6d2b8
AM		 3392 /* Copy dynamic function pointer relocations. Don't generate
3393 dynamic relocations against resolved undefined weak symbols
3394 in PIE. */
0e1862bb 3395 if ((bfd_link_pic (info)
22b75d0a 3396 && (h == NULL
a8735c82
EB		 3397 || !(h->root.type == bfd_link_hash_undefweak
3398 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
3399 || resolved_to_zero)))
22b75d0a 3400 && (! howto->pc_relative
72fbc6e5 3401 || !SYMBOL_CALLS_LOCAL (info, h)))
0e1862bb 3402 || (!bfd_link_pic (info)
22b75d0a
DM		 3403 && h != NULL
3404 && h->dynindx != -1
3405 && !h->non_got_ref
3406 && ((h->def_dynamic
3407 && !h->def_regular)
bb1dd176 3408 || (h->root.type == bfd_link_hash_undefweak
07d6d2b8 3409 && !resolved_to_zero)
22b75d0a
DM		 3410 || h->root.type == bfd_link_hash_undefined)))
3411 {
3412 Elf_Internal_Rela outrel;
3413 bfd_boolean skip, relocate = FALSE;
3414
3415 /* When generating a shared object, these relocations
3416 are copied into the output file to be resolved at run
3417 time. */
3418
3419 BFD_ASSERT (sreloc != NULL);
3420
3421 skip = FALSE;
3422
3423 outrel.r_offset =
3424 _bfd_elf_section_offset (output_bfd, info, input_section,
3425 rel->r_offset);
3426 if (outrel.r_offset == (bfd_vma) -1)
3427 skip = TRUE;
3428 else if (outrel.r_offset == (bfd_vma) -2)
3429 skip = TRUE, relocate = TRUE;
3430 outrel.r_offset += (input_section->output_section->vma
3431 + input_section->output_offset);
3432
3433 /* Optimize unaligned reloc usage now that we know where
3434 it finally resides. */
3435 switch (r_type)
3436 {
3437 case R_SPARC_16:
3438 if (outrel.r_offset & 1)
3439 r_type = R_SPARC_UA16;
3440 break;
3441 case R_SPARC_UA16:
3442 if (!(outrel.r_offset & 1))
3443 r_type = R_SPARC_16;
3444 break;
3445 case R_SPARC_32:
3446 if (outrel.r_offset & 3)
3447 r_type = R_SPARC_UA32;
3448 break;
3449 case R_SPARC_UA32:
3450 if (!(outrel.r_offset & 3))
3451 r_type = R_SPARC_32;
3452 break;
3453 case R_SPARC_64:
3454 if (outrel.r_offset & 7)
3455 r_type = R_SPARC_UA64;
3456 break;
3457 case R_SPARC_UA64:
3458 if (!(outrel.r_offset & 7))
3459 r_type = R_SPARC_64;
3460 break;
07d6d2b8 3461 case R_SPARC_DISP8:
22b75d0a 3462 case R_SPARC_DISP16:
07d6d2b8
AM		 3463 case R_SPARC_DISP32:
3464 case R_SPARC_DISP64:
22b75d0a
DM		 3465 /* If the symbol is not dynamic, we should not keep
3466 a dynamic relocation. But an .rela.* slot has been
3467 allocated for it, output R_SPARC_NONE.
3468 FIXME: Add code tracking needed dynamic relocs as
3469 e.g. i386 has. */
3470 if (h->dynindx == -1)
3471 skip = TRUE, relocate = TRUE;
3472 break;
3473 }
3474
3475 if (skip)
3476 memset (&outrel, 0, sizeof outrel);
3477 /* h->dynindx may be -1 if the symbol was marked to
3478 become local. */
886a2506
NC		 3479 else if (h != NULL
3480 && h->dynindx != -1
3481 && (_bfd_sparc_elf_howto_table[r_type].pc_relative
0e1862bb 3482 || !bfd_link_pic (info)
72fbc6e5 3483 || !SYMBOLIC_BIND (info, h)
22b75d0a
DM		 3484 || !h->def_regular))
3485 {
22b75d0a
DM		 3486 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3487 outrel.r_addend = rel->r_addend;
3488 }
3489 else
3490 {
7160c10d
JC		 3491 if ( (!ABI_64_P (output_bfd) && r_type == R_SPARC_32)
3492 || (ABI_64_P (output_bfd) && r_type == R_SPARC_64))
22b75d0a
DM		 3493 {
3494 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3495 0, R_SPARC_RELATIVE);
3496 outrel.r_addend = relocation + rel->r_addend;
3497 }
3498 else
3499 {
3500 long indx;
3501
74541ad4
AM		 3502 outrel.r_addend = relocation + rel->r_addend;
3503
22b75d0a 3504 if (is_plt)
72fbc6e5 3505 sec = htab->elf.splt;
22b75d0a
DM		 3506
3507 if (bfd_is_abs_section (sec))
3508 indx = 0;
3509 else if (sec == NULL || sec->owner == NULL)
3510 {
3511 bfd_set_error (bfd_error_bad_value);
3512 return FALSE;
3513 }
3514 else
3515 {
3516 asection *osec;
3517
74541ad4
AM		 3518 /* We are turning this relocation into one
3519 against a section symbol. It would be
3520 proper to subtract the symbol's value,
3521 osec->vma, from the emitted reloc addend,
3522 but ld.so expects buggy relocs. */
22b75d0a
DM		 3523 osec = sec->output_section;
3524 indx = elf_section_data (osec)->dynindx;
3525
74541ad4
AM		 3526 if (indx == 0)
3527 {
3528 osec = htab->elf.text_index_section;
3529 indx = elf_section_data (osec)->dynindx;
3530 }
3531
22b75d0a
DM		 3532 /* FIXME: we really should be able to link non-pic
3533 shared libraries. */
3534 if (indx == 0)
3535 {
3536 BFD_FAIL ();
4eca0228 3537 _bfd_error_handler
871b3ab2 3538 (_("%pB: probably compiled without -fPIC?"),
22b75d0a
DM		 3539 input_bfd);
3540 bfd_set_error (bfd_error_bad_value);
3541 return FALSE;
3542 }
3543 }
3544
74541ad4
AM		 3545 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3546 r_type);
22b75d0a
DM		 3547 }
3548 }
3549
39817122 3550 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
22b75d0a
DM		 3551
3552 /* This reloc will be computed at runtime, so there's no
3553 need to do anything now. */
3554 if (! relocate)
3555 continue;
3556 }
3557 break;
3558
3559 case R_SPARC_TLS_GD_HI22:
22b75d0a
DM		 3560 case R_SPARC_TLS_GD_LO10:
3561 case R_SPARC_TLS_IE_HI22:
3562 case R_SPARC_TLS_IE_LO10:
c20c30f6
EB		 3563 r_type = sparc_elf_tls_transition (info, input_bfd, r_type,
3564 h == NULL || h->dynindx == -1);
3565 if (r_type == R_SPARC_REV32)
3566 break;
3567 if (h != NULL)
3568 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3569 else if (local_got_offsets)
22b75d0a 3570 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
c20c30f6
EB		 3571 else
3572 tls_type = GOT_UNKNOWN;
22b75d0a
DM		 3573 if (tls_type == GOT_TLS_IE)
3574 switch (r_type)
3575 {
3576 case R_SPARC_TLS_GD_HI22:
3577 r_type = R_SPARC_TLS_IE_HI22;
3578 break;
3579 case R_SPARC_TLS_GD_LO10:
3580 r_type = R_SPARC_TLS_IE_LO10;
3581 break;
3582 }
3583
3584 if (r_type == R_SPARC_TLS_LE_HIX22)
3585 {
3586 relocation = tpoff (info, relocation);
3587 break;
3588 }
3589 if (r_type == R_SPARC_TLS_LE_LOX10)
3590 {
3591 /* Change add into xor. */
3592 relocation = tpoff (info, relocation);
3593 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3594 contents + rel->r_offset)
3595 | 0x80182000), contents + rel->r_offset);
3596 break;
3597 }
3598
3599 if (h != NULL)
3600 {
3601 off = h->got.offset;
3602 h->got.offset |= 1;
3603 }
3604 else
3605 {
3606 BFD_ASSERT (local_got_offsets != NULL);
3607 off = local_got_offsets[r_symndx];
3608 local_got_offsets[r_symndx] |= 1;
3609 }
3610
3611 r_sparc_tlsldm:
72fbc6e5 3612 if (htab->elf.sgot == NULL)
22b75d0a
DM		 3613 abort ();
3614
3615 if ((off & 1) != 0)
3616 off &= ~1;
3617 else
3618 {
3619 Elf_Internal_Rela outrel;
3620 int dr_type, indx;
3621
72fbc6e5 3622 if (htab->elf.srelgot == NULL)
22b75d0a
DM		 3623 abort ();
3624
72fbc6e5
DM		 3625 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3626 htab->elf.sgot->contents + off);
3627 outrel.r_offset = (htab->elf.sgot->output_section->vma
3628 + htab->elf.sgot->output_offset + off);
22b75d0a
DM		 3629 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3630 if (r_type == R_SPARC_TLS_IE_HI22
3631 || r_type == R_SPARC_TLS_IE_LO10)
3632 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3633 else
3634 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3635 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3636 outrel.r_addend = relocation - dtpoff_base (info);
3637 else
3638 outrel.r_addend = 0;
3639 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
72fbc6e5 3640 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
22b75d0a
DM		 3641
3642 if (r_type == R_SPARC_TLS_GD_HI22
3643 || r_type == R_SPARC_TLS_GD_LO10)
3644 {
3645 if (indx == 0)
3646 {
07d6d2b8 3647 BFD_ASSERT (! unresolved_reloc);
22b75d0a
DM		 3648 SPARC_ELF_PUT_WORD (htab, output_bfd,
3649 relocation - dtpoff_base (info),
72fbc6e5 3650 (htab->elf.sgot->contents + off
22b75d0a
DM		 3651 + SPARC_ELF_WORD_BYTES (htab)));
3652 }
3653 else
3654 {
3655 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
72fbc6e5 3656 (htab->elf.sgot->contents + off
22b75d0a
DM		 3657 + SPARC_ELF_WORD_BYTES (htab)));
3658 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3659 SPARC_ELF_DTPOFF_RELOC (htab));
3660 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
72fbc6e5 3661 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
39817122 3662 &outrel);
22b75d0a
DM		 3663 }
3664 }
3665 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3666 {
3667 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
72fbc6e5 3668 (htab->elf.sgot->contents + off
22b75d0a
DM		 3669 + SPARC_ELF_WORD_BYTES (htab)));
3670 }
3671 }
3672
3673 if (off >= (bfd_vma) -2)
3674 abort ();
3675
72fbc6e5 3676 relocation = htab->elf.sgot->output_offset + off - got_base;
22b75d0a
DM		 3677 unresolved_reloc = FALSE;
3678 howto = _bfd_sparc_elf_howto_table + r_type;
3679 break;
3680
3681 case R_SPARC_TLS_LDM_HI22:
3682 case R_SPARC_TLS_LDM_LO10:
c20c30f6
EB		 3683 /* LD -> LE */
3684 if (bfd_link_executable (info))
22b75d0a
DM		 3685 {
3686 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3687 continue;
3688 }
3689 off = htab->tls_ldm_got.offset;
3690 htab->tls_ldm_got.offset |= 1;
3691 goto r_sparc_tlsldm;
3692
3693 case R_SPARC_TLS_LDO_HIX22:
3694 case R_SPARC_TLS_LDO_LOX10:
c20c30f6
EB		 3695 /* LD -> LE */
3696 if (bfd_link_executable (info))
3697 {
3698 if (r_type == R_SPARC_TLS_LDO_HIX22)
3699 r_type = R_SPARC_TLS_LE_HIX22;
3700 else
3701 r_type = R_SPARC_TLS_LE_LOX10;
3702 }
3703 else
22b75d0a
DM		 3704 {
3705 relocation -= dtpoff_base (info);
3706 break;
3707 }
22b75d0a
DM		 3708 /* Fall through. */
3709
3710 case R_SPARC_TLS_LE_HIX22:
3711 case R_SPARC_TLS_LE_LOX10:
c20c30f6 3712 if (!bfd_link_executable (info))
22b75d0a
DM		 3713 {
3714 Elf_Internal_Rela outrel;
c20c30f6
EB		 3715 bfd_vma offset
3716 = _bfd_elf_section_offset (output_bfd, info, input_section,
3717 rel->r_offset);
3718 if (offset == (bfd_vma) -1 || offset == (bfd_vma) -2)
22b75d0a
DM		 3719 memset (&outrel, 0, sizeof outrel);
3720 else
3721 {
c20c30f6
EB		 3722 outrel.r_offset = offset
3723 + input_section->output_section->vma
3724 + input_section->output_offset;
22b75d0a 3725 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
c20c30f6
EB		 3726 outrel.r_addend
3727 = relocation - dtpoff_base (info) + rel->r_addend;
22b75d0a
DM		 3728 }
3729
c20c30f6 3730 BFD_ASSERT (sreloc != NULL);
39817122 3731 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
22b75d0a
DM		 3732 continue;
3733 }
3734 relocation = tpoff (info, relocation);
3735 break;
3736
3737 case R_SPARC_TLS_LDM_CALL:
c20c30f6
EB		 3738 /* LD -> LE */
3739 if (bfd_link_executable (info))
22b75d0a
DM		 3740 {
3741 /* mov %g0, %o0 */
3742 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3743 continue;
3744 }
3745 /* Fall through */
3746
3747 case R_SPARC_TLS_GD_CALL:
c20c30f6
EB		 3748 if (h != NULL)
3749 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3750 else if (local_got_offsets)
22b75d0a 3751 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
c20c30f6
EB		 3752 else
3753 tls_type = GOT_UNKNOWN;
3754 /* GD -> IE or LE */
3755 if (bfd_link_executable (info)
22b75d0a
DM		 3756 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3757 {
abd242a9 3758 Elf_Internal_Rela *rel2;
22b75d0a
DM		 3759 bfd_vma insn;
3760
c20c30f6
EB		 3761 /* GD -> LE */
3762 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
22b75d0a 3763 {
22b75d0a
DM		 3764 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3765 continue;
3766 }
3767
3768 /* GD -> IE */
3769 if (rel + 1 < relend
3770 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3771 && rel[1].r_offset == rel->r_offset + 4
3772 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3773 && (((insn = bfd_get_32 (input_bfd,
3774 contents + rel[1].r_offset))
3775 >> 25) & 0x1f) == 8)
3776 {
3777 /* We have
3778 call __tls_get_addr, %tgd_call(foo)
3779 add %reg1, %reg2, %o0, %tgd_add(foo)
3780 and change it into IE:
3781 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3782 add %g7, %o0, %o0, %tie_add(foo).
3783 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3784 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3785 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3786 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3787 contents + rel->r_offset);
3788 bfd_put_32 (output_bfd, 0x9001c008,
3789 contents + rel->r_offset + 4);
3790 rel++;
3791 continue;
3792 }
3793
abd242a9
DM		 3794 /* We cannot just overwrite the delay slot instruction,
3795 as it might be what puts the %o0 argument to
3796 __tls_get_addr into place. So we have to transpose
3797 the delay slot with the add we patch in. */
3798 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3799 bfd_put_32 (output_bfd, insn,
3800 contents + rel->r_offset);
3801 bfd_put_32 (output_bfd, 0x9001c008,
3802 contents + rel->r_offset + 4);
3803
3804 rel2 = rel;
3805 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3806 rel->r_offset + 4))
3807 != NULL)
3808 {
3809 /* If the instruction we moved has a relocation attached to
3810 it, adjust the offset so that it will apply to the correct
3811 instruction. */
3812 rel2->r_offset -= 4;
3813 }
22b75d0a
DM		 3814 continue;
3815 }
3816
3817 h = (struct elf_link_hash_entry *)
3818 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3819 FALSE, TRUE);
3820 BFD_ASSERT (h != NULL);
3821 r_type = R_SPARC_WPLT30;
3822 howto = _bfd_sparc_elf_howto_table + r_type;
3823 goto r_sparc_wplt30;
3824
3825 case R_SPARC_TLS_GD_ADD:
c20c30f6
EB		 3826 if (h != NULL)
3827 tls_type = _bfd_sparc_elf_hash_entry (h)->tls_type;
3828 else if (local_got_offsets)
22b75d0a 3829 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
c20c30f6
EB		 3830 else
3831 tls_type = GOT_UNKNOWN;
3832 /* GD -> IE or LE */
3833 if (bfd_link_executable (info) || tls_type == GOT_TLS_IE)
22b75d0a
DM		 3834 {
3835 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3836 changed into IE:
3837 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3838 or LE:
3839 add %g7, %reg2, %reg3. */
3840 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
c20c30f6 3841 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
22b75d0a 3842 relocation = (insn & ~0x7c000) | 0x1c000;
c20c30f6
EB		 3843 else
3844 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
22b75d0a
DM		 3845 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3846 }
3847 continue;
3848
3849 case R_SPARC_TLS_LDM_ADD:
c20c30f6
EB		 3850 /* LD -> LE */
3851 if (bfd_link_executable (info))
22b75d0a
DM		 3852 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3853 continue;
3854
3855 case R_SPARC_TLS_LDO_ADD:
c20c30f6
EB		 3856 /* LD -> LE */
3857 if (bfd_link_executable (info))
22b75d0a
DM		 3858 {
3859 /* Change rs1 into %g7. */
3860 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3861 insn = (insn & ~0x7c000) | 0x1c000;
3862 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3863 }
3864 continue;
3865
3866 case R_SPARC_TLS_IE_LD:
3867 case R_SPARC_TLS_IE_LDX:
c20c30f6
EB		 3868 /* IE -> LE */
3869 if (bfd_link_executable (info) && (h == NULL || h->dynindx == -1))
22b75d0a
DM		 3870 {
3871 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3872 int rs2 = insn & 0x1f;
3873 int rd = (insn >> 25) & 0x1f;
3874
3875 if (rs2 == rd)
3876 relocation = SPARC_NOP;
3877 else
3878 relocation = 0x80100000 | (insn & 0x3e00001f);
3879 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3880 }
3881 continue;
3882
3883 case R_SPARC_TLS_IE_ADD:
3884 /* Totally useless relocation. */
3885 continue;
3886
3887 case R_SPARC_TLS_DTPOFF32:
3888 case R_SPARC_TLS_DTPOFF64:
3889 relocation -= dtpoff_base (info);
3890 break;
3891
3892 default:
3893 break;
3894 }
3895
3896 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3897 because such sections are not SEC_ALLOC and thus ld.so will
3898 not process them. */
3899 if (unresolved_reloc
3900 && !((input_section->flags & SEC_DEBUGGING) != 0
1d5316ab
AM		 3901 && h->def_dynamic)
3902 && _bfd_elf_section_offset (output_bfd, info, input_section,
3903 rel->r_offset) != (bfd_vma) -1)
4eca0228 3904 _bfd_error_handler
695344c0 3905 /* xgettext:c-format */
2dcf00ce
AM		 3906 (_("%pB(%pA+%#" PRIx64 "): "
3907 "unresolvable %s relocation against symbol `%s'"),
22b75d0a
DM		 3908 input_bfd,
3909 input_section,
2dcf00ce 3910 (uint64_t) rel->r_offset,
843fe662 3911 howto->name,
22b75d0a
DM		 3912 h->root.root.string);
3913
3914 r = bfd_reloc_continue;
3915 if (r_type == R_SPARC_OLO10)
3916 {
3917 bfd_vma x;
3918
3919 if (! ABI_64_P (output_bfd))
3920 abort ();
3921
3922 relocation += rel->r_addend;
3923 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3924
3925 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3926 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3927 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3928
3929 r = bfd_check_overflow (howto->complain_on_overflow,
3930 howto->bitsize, howto->rightshift,
3931 bfd_arch_bits_per_address (input_bfd),
3932 relocation);
3933 }
3934 else if (r_type == R_SPARC_WDISP16)
3935 {
3936 bfd_vma x;
3937
3938 relocation += rel->r_addend;
3939 relocation -= (input_section->output_section->vma
3940 + input_section->output_offset);
3941 relocation -= rel->r_offset;
3942
3943 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3944 x |= ((((relocation >> 2) & 0xc000) << 6)
3945 | ((relocation >> 2) & 0x3fff));
3946 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3947
2615994e
DM		 3948 r = bfd_check_overflow (howto->complain_on_overflow,
3949 howto->bitsize, howto->rightshift,
3950 bfd_arch_bits_per_address (input_bfd),
3951 relocation);
3952 }
3953 else if (r_type == R_SPARC_WDISP10)
3954 {
3955 bfd_vma x;
3956
3957 relocation += rel->r_addend;
3958 relocation -= (input_section->output_section->vma
3959 + input_section->output_offset);
3960 relocation -= rel->r_offset;
3961
3962 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3963 x |= ((((relocation >> 2) & 0x300) << 11)
3964 | (((relocation >> 2) & 0xff) << 5));
3965 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3966
22b75d0a
DM		 3967 r = bfd_check_overflow (howto->complain_on_overflow,
3968 howto->bitsize, howto->rightshift,
3969 bfd_arch_bits_per_address (input_bfd),
3970 relocation);
3971 }
3972 else if (r_type == R_SPARC_REV32)
3973 {
3974 bfd_vma x;
3975
3976 relocation = relocation + rel->r_addend;
3977
3978 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3979 x = x + relocation;
3980 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3981 r = bfd_reloc_ok;
3982 }
3983 else if (r_type == R_SPARC_TLS_LDO_HIX22
3984 || r_type == R_SPARC_TLS_LE_HIX22)
3985 {
3986 bfd_vma x;
3987
3988 relocation += rel->r_addend;
3989 if (r_type == R_SPARC_TLS_LE_HIX22)
3990 relocation ^= MINUS_ONE;
3991
3992 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3993 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3994 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3995 r = bfd_reloc_ok;
3996 }
3997 else if (r_type == R_SPARC_TLS_LDO_LOX10
3998 || r_type == R_SPARC_TLS_LE_LOX10)
3999 {
4000 bfd_vma x;
4001
4002 relocation += rel->r_addend;
4003 relocation &= 0x3ff;
4004 if (r_type == R_SPARC_TLS_LE_LOX10)
4005 relocation |= 0x1c00;
4006
4007 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4008 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4009 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4010
4011 r = bfd_reloc_ok;
4012 }
00c50991 4013 else if (r_type == R_SPARC_HIX22
cc133f9f
JC		 4014 || r_type == R_SPARC_GOTDATA_HIX22
4015 || r_type == R_SPARC_GOTDATA_OP_HIX22)
22b75d0a
DM		 4016 {
4017 bfd_vma x;
4018
4019 relocation += rel->r_addend;
00c50991
DM		 4020 if (r_type == R_SPARC_HIX22
4021 || (bfd_signed_vma) relocation < 0)
4022 relocation = relocation ^ MINUS_ONE;
22b75d0a
DM		 4023
4024 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4025 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4026 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4027
4028 r = bfd_check_overflow (howto->complain_on_overflow,
4029 howto->bitsize, howto->rightshift,
4030 bfd_arch_bits_per_address (input_bfd),
4031 relocation);
4032 }
00c50991 4033 else if (r_type == R_SPARC_LOX10
cc133f9f
JC		 4034 || r_type == R_SPARC_GOTDATA_LOX10
4035 || r_type == R_SPARC_GOTDATA_OP_LOX10)
22b75d0a
DM		 4036 {
4037 bfd_vma x;
4038
4039 relocation += rel->r_addend;
00c50991
DM		 4040 if (r_type == R_SPARC_LOX10
4041 || (bfd_signed_vma) relocation < 0)
4042 relocation = (relocation & 0x3ff) | 0x1c00;
4043 else
4044 relocation = (relocation & 0x3ff);
22b75d0a
DM		 4045
4046 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4047 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4048 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4049
4050 r = bfd_reloc_ok;
4051 }
4052 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4053 && sec_do_relax (input_section)
4054 && rel->r_offset + 4 < input_section->size)
4055 {
4056#define G0 0
4057#define O7 15
4058#define XCC (2 << 20)
4059#define COND(x) (((x)&0xf)<<25)
4060#define CONDA COND(0x8)
4061#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4062#define INSN_BA (F2(0,2) | CONDA)
4063#define INSN_OR F3(2, 0x2, 0)
4064#define INSN_NOP F2(0,4)
4065
4066 bfd_vma x, y;
4067
4068 /* If the instruction is a call with either:
4069 restore
4070 arithmetic instruction with rd == %o7
4071 where rs1 != %o7 and rs2 if it is register != %o7
4072 then we can optimize if the call destination is near
4073 by changing the call into a branch always. */
4074 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4075 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4076 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4077 {
4078 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4079 || ((y & OP3(0x28)) == 0 /* arithmetic */
4080 && (y & RD(~0)) == RD(O7)))
4081 && (y & RS1(~0)) != RS1(O7)
4082 && ((y & F3I(~0))
4083 || (y & RS2(~0)) != RS2(O7)))
4084 {
4085 bfd_vma reloc;
4086
4087 reloc = relocation + rel->r_addend - rel->r_offset;
4088 reloc -= (input_section->output_section->vma
4089 + input_section->output_offset);
4090
4091 /* Ensure the branch fits into simm22. */
4092 if ((reloc & 3) == 0
4093 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4094 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4095 {
4096 reloc >>= 2;
4097
4098 /* Check whether it fits into simm19. */
4099 if (((reloc & 0x3c0000) == 0
4100 || (reloc & 0x3c0000) == 0x3c0000)
4101 && (ABI_64_P (output_bfd)
4102 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4103 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4104 else
4105 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4106 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4107 r = bfd_reloc_ok;
4108 if (rel->r_offset >= 4
4109 && (y & (0xffffffff ^ RS1(~0)))
4110 == (INSN_OR | RD(O7) | RS2(G0)))
4111 {
4112 bfd_vma z;
4113 unsigned int reg;
4114
4115 z = bfd_get_32 (input_bfd,
4116 contents + rel->r_offset - 4);
4117 if ((z & (0xffffffff ^ RD(~0)))
4118 != (INSN_OR | RS1(O7) | RS2(G0)))
597e138c 4119 continue;
22b75d0a
DM		 4120
4121 /* The sequence was
4122 or %o7, %g0, %rN
4123 call foo
4124 or %rN, %g0, %o7
4125
4126 If call foo was replaced with ba, replace
4127 or %rN, %g0, %o7 with nop. */
4128
4129 reg = (y & RS1(~0)) >> 14;
4130 if (reg != ((z & RD(~0)) >> 25)
4131 || reg == G0 || reg == O7)
597e138c 4132 continue;
22b75d0a
DM		 4133
4134 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4135 contents + rel->r_offset + 4);
4136 }
4137
4138 }
4139 }
4140 }
4141 }
4142
4143 if (r == bfd_reloc_continue)
d0c9aeb3
DM		 4144 {
4145do_relocation:
4146 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4147 contents, rel->r_offset,
4148 relocation, rel->r_addend);
4149 }
22b75d0a
DM		 4150 if (r != bfd_reloc_ok)
4151 {
4152 switch (r)
4153 {
4154 default:
4155 case bfd_reloc_outofrange:
4156 abort ();
4157 case bfd_reloc_overflow:
4158 {
4159 const char *name;
4160
68ffbac6 4161 /* The Solaris native linker silently disregards overflows.
dc669dc8
EB		 4162 We don't, but this breaks stabs debugging info, whose
4163 relocations are only 32-bits wide. Ignore overflows in
4164 this case and also for discarded entries. */
0bef263a
RO		 4165 if ((r_type == R_SPARC_32
4166 || r_type == R_SPARC_UA32
4167 || r_type == R_SPARC_DISP32)
dc669dc8
EB		 4168 && (((input_section->flags & SEC_DEBUGGING) != 0
4169 && strcmp (bfd_section_name (input_bfd,
4170 input_section),
4171 ".stab") == 0)
4172 || _bfd_elf_section_offset (output_bfd, info,
4173 input_section,
4174 rel->r_offset)
4175 == (bfd_vma)-1))
4176 break;
4177
22b75d0a 4178 if (h != NULL)
bb29dfea
EB		 4179 {
4180 /* Assume this is a call protected by other code that
4181 detect the symbol is undefined. If this is the case,
4182 we can safely ignore the overflow. If not, the
4183 program is hosed anyway, and a little warning isn't
4184 going to help. */
4185 if (h->root.type == bfd_link_hash_undefweak
4186 && howto->pc_relative)
4187 break;
4188
07d6d2b8 4189 name = NULL;
bb29dfea 4190 }
22b75d0a
DM		 4191 else
4192 {
4193 name = bfd_elf_string_from_elf_section (input_bfd,
4194 symtab_hdr->sh_link,
4195 sym->st_name);
4196 if (name == NULL)
4197 return FALSE;
4198 if (*name == '\0')
4199 name = bfd_section_name (input_bfd, sec);
4200 }
1a72702b
AM		 4201 (*info->callbacks->reloc_overflow)
4202 (info, (h ? &h->root : NULL), name, howto->name,
4203 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
22b75d0a
DM		 4204 }
4205 break;
4206 }
4207 }
4208 }
4209
4210 return TRUE;
4211}
4212
910600e9
RS		 4213/* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4214 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4215 is the offset of the associated .got.plt entry from
4216 _GLOBAL_OFFSET_TABLE_. */
4217
4218static void
4219sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4220 bfd_vma plt_offset, bfd_vma plt_index,
4221 bfd_vma got_offset)
4222{
4223 bfd_vma got_base;
4224 const bfd_vma *plt_entry;
4225 struct _bfd_sparc_elf_link_hash_table *htab;
4226 bfd_byte *loc;
4227 Elf_Internal_Rela rela;
4228
4229 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6
NC		 4230 BFD_ASSERT (htab != NULL);
4231
0e1862bb 4232 if (bfd_link_pic (info))
910600e9
RS		 4233 {
4234 plt_entry = sparc_vxworks_shared_plt_entry;
4235 got_base = 0;
4236 }
4237 else
4238 {
4239 plt_entry = sparc_vxworks_exec_plt_entry;
4240 got_base = (htab->elf.hgot->root.u.def.value
4241 + htab->elf.hgot->root.u.def.section->output_offset
4242 + htab->elf.hgot->root.u.def.section->output_section->vma);
4243 }
4244
4245 /* Fill in the entry in the procedure linkage table. */
4246 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
72fbc6e5 4247 htab->elf.splt->contents + plt_offset);
910600e9 4248 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
72fbc6e5 4249 htab->elf.splt->contents + plt_offset + 4);
910600e9 4250 bfd_put_32 (output_bfd, plt_entry[2],
72fbc6e5 4251 htab->elf.splt->contents + plt_offset + 8);
910600e9 4252 bfd_put_32 (output_bfd, plt_entry[3],
72fbc6e5 4253 htab->elf.splt->contents + plt_offset + 12);
910600e9 4254 bfd_put_32 (output_bfd, plt_entry[4],
72fbc6e5 4255 htab->elf.splt->contents + plt_offset + 16);
910600e9 4256 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
72fbc6e5 4257 htab->elf.splt->contents + plt_offset + 20);
910600e9
RS		 4258 /* PC-relative displacement for a branch to the start of
4259 the PLT section. */
4260 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4261 & 0x003fffff),
72fbc6e5 4262 htab->elf.splt->contents + plt_offset + 24);
910600e9 4263 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
72fbc6e5 4264 htab->elf.splt->contents + plt_offset + 28);
910600e9
RS		 4265
4266 /* Fill in the .got.plt entry, pointing initially at the
4267 second half of the PLT entry. */
72fbc6e5 4268 BFD_ASSERT (htab->elf.sgotplt != NULL);
910600e9 4269 bfd_put_32 (output_bfd,
72fbc6e5
DM		 4270 htab->elf.splt->output_section->vma
4271 + htab->elf.splt->output_offset
910600e9 4272 + plt_offset + 20,
72fbc6e5 4273 htab->elf.sgotplt->contents + got_offset);
910600e9
RS		 4274
4275 /* Add relocations to .rela.plt.unloaded. */
0e1862bb 4276 if (!bfd_link_pic (info))
910600e9
RS		 4277 {
4278 loc = (htab->srelplt2->contents
4279 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4280
4281 /* Relocate the initial sethi. */
72fbc6e5
DM		 4282 rela.r_offset = (htab->elf.splt->output_section->vma
4283 + htab->elf.splt->output_offset
910600e9
RS		 4284 + plt_offset);
4285 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4286 rela.r_addend = got_offset;
4287 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4288 loc += sizeof (Elf32_External_Rela);
4289
4290 /* Likewise the following or. */
4291 rela.r_offset += 4;
4292 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4293 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4294 loc += sizeof (Elf32_External_Rela);
4295
4296 /* Relocate the .got.plt entry. */
72fbc6e5
DM		 4297 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4298 + htab->elf.sgotplt->output_offset
910600e9
RS		 4299 + got_offset);
4300 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4301 rela.r_addend = plt_offset + 20;
4302 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4303 }
4304}
4305
22b75d0a
DM		 4306/* Finish up dynamic symbol handling. We set the contents of various
4307 dynamic sections here. */
4308
4309bfd_boolean
4310_bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4311 struct bfd_link_info *info,
4312 struct elf_link_hash_entry *h,
4313 Elf_Internal_Sym *sym)
4314{
22b75d0a 4315 struct _bfd_sparc_elf_link_hash_table *htab;
39817122 4316 const struct elf_backend_data *bed;
bb1dd176 4317 struct _bfd_sparc_elf_link_hash_entry *eh;
a8735c82 4318 bfd_boolean resolved_to_zero;
22b75d0a
DM		 4319
4320 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4321 BFD_ASSERT (htab != NULL);
39817122 4322 bed = get_elf_backend_data (output_bfd);
22b75d0a 4323
bb1dd176
QZ		 4324 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
4325
4326 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4327 resolved undefined weak symbols in executable so that their
4328 references have value 0 at run-time. */
a8735c82 4329 resolved_to_zero = UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh);
bb1dd176 4330
22b75d0a
DM		 4331 if (h->plt.offset != (bfd_vma) -1)
4332 {
4333 asection *splt;
4334 asection *srela;
4335 Elf_Internal_Rela rela;
4336 bfd_byte *loc;
910600e9 4337 bfd_vma r_offset, got_offset;
22b75d0a
DM		 4338 int rela_index;
4339
d0c9aeb3
DM		 4340 /* When building a static executable, use .iplt and
4341 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4342 if (htab->elf.splt != NULL)
4343 {
4344 splt = htab->elf.splt;
4345 srela = htab->elf.srelplt;
4346 }
4347 else
4348 {
4349 splt = htab->elf.iplt;
4350 srela = htab->elf.irelplt;
4351 }
22b75d0a 4352
d0c9aeb3
DM		 4353 if (splt == NULL || srela == NULL)
4354 abort ();
22b75d0a 4355
22b75d0a 4356 /* Fill in the entry in the .rela.plt section. */
910600e9 4357 if (htab->is_vxworks)
22b75d0a 4358 {
910600e9
RS		 4359 /* Work out the index of this PLT entry. */
4360 rela_index = ((h->plt.offset - htab->plt_header_size)
4361 / htab->plt_entry_size);
4362
4363 /* Calculate the offset of the associated .got.plt entry.
4364 The first three entries are reserved. */
4365 got_offset = (rela_index + 3) * 4;
4366
4367 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4368 rela_index, got_offset);
4369
4370
4371 /* On VxWorks, the relocation points to the .got.plt entry,
4372 not the .plt entry. */
72fbc6e5
DM		 4373 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4374 + htab->elf.sgotplt->output_offset
910600e9 4375 + got_offset);
22b75d0a 4376 rela.r_addend = 0;
d0c9aeb3
DM		 4377 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4378 R_SPARC_JMP_SLOT);
22b75d0a
DM		 4379 }
4380 else
4381 {
d0c9aeb3
DM		 4382 bfd_boolean ifunc = FALSE;
4383
910600e9
RS		 4384 /* Fill in the entry in the procedure linkage table. */
4385 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4386 h->plt.offset, splt->size,
4387 &r_offset);
4388
d0c9aeb3
DM		 4389 if (h == NULL
4390 || h->dynindx == -1
0e1862bb 4391 || ((bfd_link_executable (info)
d0c9aeb3
DM		 4392 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4393 && h->def_regular
4394 && h->type == STT_GNU_IFUNC))
4395 {
4396 ifunc = TRUE;
4397 BFD_ASSERT (h == NULL
4398 || (h->type == STT_GNU_IFUNC
4399 && h->def_regular
4400 && (h->root.type == bfd_link_hash_defined
4401 || h->root.type == bfd_link_hash_defweak)));
4402 }
4403
910600e9
RS		 4404 rela.r_offset = r_offset
4405 + (splt->output_section->vma + splt->output_offset);
d0c9aeb3
DM		 4406 if (ABI_64_P (output_bfd)
4407 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
910600e9 4408 {
d0c9aeb3
DM		 4409 if (ifunc)
4410 {
4411 rela.r_addend = (h->root.u.def.section->output_section->vma
4412 + h->root.u.def.section->output_offset
4413 + h->root.u.def.value);
4414 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4415 R_SPARC_IRELATIVE);
4416 }
4417 else
4418 {
4419 rela.r_addend = (-(h->plt.offset + 4)
4420 - splt->output_section->vma
4421 - splt->output_offset);
4422 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4423 R_SPARC_JMP_SLOT);
4424 }
910600e9
RS		 4425 }
4426 else
4427 {
d0c9aeb3
DM		 4428 if (ifunc)
4429 {
4430 rela.r_addend = (h->root.u.def.section->output_section->vma
4431 + h->root.u.def.section->output_offset
4432 + h->root.u.def.value);
4433 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4434 R_SPARC_JMP_IREL);
4435 }
4436 else
4437 {
4438 rela.r_addend = 0;
4439 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4440 R_SPARC_JMP_SLOT);
4441 }
910600e9 4442 }
22b75d0a 4443 }
22b75d0a
DM		 4444
4445 /* Adjust for the first 4 reserved elements in the .plt section
4446 when setting the offset in the .rela.plt section.
4447 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4448 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4449
4450 loc = srela->contents;
39817122
RS		 4451 loc += rela_index * bed->s->sizeof_rela;
4452 bed->s->swap_reloca_out (output_bfd, &rela, loc);
22b75d0a 4453
a8735c82 4454 if (!resolved_to_zero && !h->def_regular)
22b75d0a
DM		 4455 {
4456 /* Mark the symbol as undefined, rather than as defined in
4457 the .plt section. Leave the value alone. */
4458 sym->st_shndx = SHN_UNDEF;
4459 /* If the symbol is weak, we do need to clear the value.
4460 Otherwise, the PLT entry would provide a definition for
4461 the symbol even if the symbol wasn't defined anywhere,
4462 and so the symbol would never be NULL. */
4463 if (!h->ref_regular_nonweak)
4464 sym->st_value = 0;
4465 }
4466 }
4467
a8735c82
EB		 4468 /* Don't generate dynamic GOT relocation against resolved undefined weak
4469 symbols in an executable. */
22b75d0a
DM		 4470 if (h->got.offset != (bfd_vma) -1
4471 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
bb1dd176 4472 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE
a8735c82
EB		 4473 && !(h->root.type == bfd_link_hash_undefweak
4474 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
4475 || resolved_to_zero)))
22b75d0a
DM		 4476 {
4477 asection *sgot;
4478 asection *srela;
4479 Elf_Internal_Rela rela;
4480
4481 /* This symbol has an entry in the GOT. Set it up. */
4482
72fbc6e5
DM		 4483 sgot = htab->elf.sgot;
4484 srela = htab->elf.srelgot;
22b75d0a
DM		 4485 BFD_ASSERT (sgot != NULL && srela != NULL);
4486
4487 rela.r_offset = (sgot->output_section->vma
4488 + sgot->output_offset
4489 + (h->got.offset &~ (bfd_vma) 1));
4490
4491 /* If this is a -Bsymbolic link, and the symbol is defined
4492 locally, we just want to emit a RELATIVE reloc. Likewise if
4493 the symbol was forced to be local because of a version file.
4494 The entry in the global offset table will already have been
4495 initialized in the relocate_section function. */
0e1862bb 4496 if (! bfd_link_pic (info)
d0c9aeb3
DM		 4497 && h->type == STT_GNU_IFUNC
4498 && h->def_regular)
4499 {
4500 asection *plt;
4501
4502 /* We load the GOT entry with the PLT entry. */
4503 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4504 SPARC_ELF_PUT_WORD (htab, output_bfd,
4505 (plt->output_section->vma
4506 + plt->output_offset + h->plt.offset),
4507 htab->elf.sgot->contents
4508 + (h->got.offset & ~(bfd_vma) 1));
4509 return TRUE;
4510 }
a8735c82
EB		 4511
4512 if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
22b75d0a
DM		 4513 {
4514 asection *sec = h->root.u.def.section;
d0c9aeb3
DM		 4515 if (h->type == STT_GNU_IFUNC)
4516 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4517 else
4518 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
22b75d0a
DM		 4519 rela.r_addend = (h->root.u.def.value
4520 + sec->output_section->vma
4521 + sec->output_offset);
4522 }
4523 else
4524 {
4525 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4526 rela.r_addend = 0;
4527 }
4528
4529 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4530 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
39817122 4531 sparc_elf_append_rela (output_bfd, srela, &rela);
22b75d0a
DM		 4532 }
4533
4534 if (h->needs_copy)
4535 {
4536 asection *s;
4537 Elf_Internal_Rela rela;
4538
4539 /* This symbols needs a copy reloc. Set it up. */
4540 BFD_ASSERT (h->dynindx != -1);
4541
22b75d0a
DM		 4542 rela.r_offset = (h->root.u.def.value
4543 + h->root.u.def.section->output_section->vma
4544 + h->root.u.def.section->output_offset);
4545 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4546 rela.r_addend = 0;
afbf7e8e 4547 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 4548 s = htab->elf.sreldynrelro;
4549 else
4550 s = htab->elf.srelbss;
39817122 4551 sparc_elf_append_rela (output_bfd, s, &rela);
22b75d0a
DM		 4552 }
4553
910600e9
RS		 4554 /* Mark some specially defined symbols as absolute. On VxWorks,
4555 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4556 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
d0c9aeb3 4557 if (sym != NULL
9637f6ef 4558 && (h == htab->elf.hdynamic
d0c9aeb3
DM		 4559 || (!htab->is_vxworks
4560 && (h == htab->elf.hgot || h == htab->elf.hplt))))
22b75d0a
DM		 4561 sym->st_shndx = SHN_ABS;
4562
4563 return TRUE;
4564}
4565
4566/* Finish up the dynamic sections. */
4567
22b75d0a 4568static bfd_boolean
39817122
RS		 4569sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4570 bfd *dynobj, asection *sdyn,
4571 asection *splt ATTRIBUTE_UNUSED)
22b75d0a 4572{
910600e9 4573 struct _bfd_sparc_elf_link_hash_table *htab;
39817122
RS		 4574 const struct elf_backend_data *bed;
4575 bfd_byte *dyncon, *dynconend;
4576 size_t dynsize;
4577 int stt_regidx = -1;
4578 bfd_boolean abi_64_p;
22b75d0a 4579
910600e9 4580 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4581 BFD_ASSERT (htab != NULL);
39817122
RS		 4582 bed = get_elf_backend_data (output_bfd);
4583 dynsize = bed->s->sizeof_dyn;
4584 dynconend = sdyn->contents + sdyn->size;
4585 abi_64_p = ABI_64_P (output_bfd);
4586 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
22b75d0a
DM		 4587 {
4588 Elf_Internal_Dyn dyn;
22b75d0a
DM		 4589 bfd_boolean size;
4590
39817122 4591 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
22b75d0a 4592
64f52338 4593 if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
22b75d0a 4594 {
910600e9
RS		 4595 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4596 not to the start of the PLT. */
72fbc6e5 4597 if (htab->elf.sgotplt)
910600e9 4598 {
72fbc6e5
DM		 4599 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4600 + htab->elf.sgotplt->output_offset);
39817122 4601 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
910600e9
RS		 4602 }
4603 }
7a2b07ff
NS		 4604 else if (htab->is_vxworks
4605 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4606 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
39817122
RS		 4607 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4608 {
4609 if (stt_regidx == -1)
4610 {
4611 stt_regidx =
4612 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4613 if (stt_regidx == -1)
4614 return FALSE;
4615 }
4616 dyn.d_un.d_val = stt_regidx++;
4617 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4618 }
910600e9
RS		 4619 else
4620 {
ce558b89
AM		 4621 asection *s;
4622
910600e9
RS		 4623 switch (dyn.d_tag)
4624 {
ce558b89
AM		 4625 case DT_PLTGOT:
4626 s = htab->elf.splt;
4627 size = FALSE;
4628 break;
4629 case DT_PLTRELSZ:
4630 s = htab->elf.srelplt;
4631 size = TRUE;
4632 break;
4633 case DT_JMPREL:
4634 s = htab->elf.srelplt;
4635 size = FALSE;
4636 break;
4637 default:
4638 continue;
910600e9 4639 }
22b75d0a 4640
ce558b89
AM		 4641 if (s == NULL)
4642 dyn.d_un.d_val = 0;
4643 else
22b75d0a 4644 {
ce558b89
AM		 4645 if (!size)
4646 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
22b75d0a 4647 else
ce558b89 4648 dyn.d_un.d_val = s->size;
22b75d0a 4649 }
ce558b89 4650 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
22b75d0a
DM		 4651 }
4652 }
4653 return TRUE;
4654}
4655
910600e9
RS		 4656/* Install the first PLT entry in a VxWorks executable and make sure that
4657 .rela.plt.unloaded relocations have the correct symbol indexes. */
4658
4659static void
4660sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4661{
4662 struct _bfd_sparc_elf_link_hash_table *htab;
4663 Elf_Internal_Rela rela;
4664 bfd_vma got_base;
4665 bfd_byte *loc;
4666
4667 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4668 BFD_ASSERT (htab != NULL);
910600e9
RS		 4669
4670 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4671 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4672 + htab->elf.hgot->root.u.def.section->output_offset
4673 + htab->elf.hgot->root.u.def.value);
4674
4675 /* Install the initial PLT entry. */
4676 bfd_put_32 (output_bfd,
4677 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
72fbc6e5 4678 htab->elf.splt->contents);
910600e9
RS		 4679 bfd_put_32 (output_bfd,
4680 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
72fbc6e5 4681 htab->elf.splt->contents + 4);
910600e9
RS		 4682 bfd_put_32 (output_bfd,
4683 sparc_vxworks_exec_plt0_entry[2],
72fbc6e5 4684 htab->elf.splt->contents + 8);
910600e9
RS		 4685 bfd_put_32 (output_bfd,
4686 sparc_vxworks_exec_plt0_entry[3],
72fbc6e5 4687 htab->elf.splt->contents + 12);
910600e9
RS		 4688 bfd_put_32 (output_bfd,
4689 sparc_vxworks_exec_plt0_entry[4],
72fbc6e5 4690 htab->elf.splt->contents + 16);
910600e9
RS		 4691
4692 loc = htab->srelplt2->contents;
4693
4694 /* Add an unloaded relocation for the initial entry's "sethi". */
72fbc6e5
DM		 4695 rela.r_offset = (htab->elf.splt->output_section->vma
4696 + htab->elf.splt->output_offset);
910600e9
RS		 4697 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4698 rela.r_addend = 8;
4699 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4700 loc += sizeof (Elf32_External_Rela);
4701
4702 /* Likewise the following "or". */
4703 rela.r_offset += 4;
4704 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4705 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4706 loc += sizeof (Elf32_External_Rela);
4707
4708 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4709 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4710 in which symbols were output. */
4711 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4712 {
4713 Elf_Internal_Rela rel;
4714
4715 /* The entry's initial "sethi" (against _G_O_T_). */
4716 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4717 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4718 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4719 loc += sizeof (Elf32_External_Rela);
4720
4721 /* The following "or" (also against _G_O_T_). */
4722 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4723 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4724 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4725 loc += sizeof (Elf32_External_Rela);
4726
4727 /* The .got.plt entry (against _P_L_T_). */
4728 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4729 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4730 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4731 loc += sizeof (Elf32_External_Rela);
4732 }
4733}
4734
4735/* Install the first PLT entry in a VxWorks shared object. */
4736
4737static void
4738sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4739{
4740 struct _bfd_sparc_elf_link_hash_table *htab;
4741 unsigned int i;
4742
4743 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6
NC		 4744 BFD_ASSERT (htab != NULL);
4745
910600e9
RS		 4746 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4747 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
72fbc6e5 4748 htab->elf.splt->contents + i * 4);
910600e9
RS		 4749}
4750
d0c9aeb3
DM		 4751/* Finish up local dynamic symbol handling. We set the contents of
4752 various dynamic sections here. */
4753
4754static bfd_boolean
4755finish_local_dynamic_symbol (void **slot, void *inf)
4756{
4757 struct elf_link_hash_entry *h
4758 = (struct elf_link_hash_entry *) *slot;
4759 struct bfd_link_info *info
68ffbac6 4760 = (struct bfd_link_info *) inf;
d0c9aeb3
DM		 4761
4762 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4763 h, NULL);
4764}
4765
bb1dd176
QZ		 4766/* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4767 here since undefined weak symbol may not be dynamic and may not be
4768 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4769
4770static bfd_boolean
4771pie_finish_undefweak_symbol (struct bfd_hash_entry *bh,
07d6d2b8 4772 void *inf)
bb1dd176
QZ		 4773{
4774 struct elf_link_hash_entry *h = (struct elf_link_hash_entry *) bh;
4775 struct bfd_link_info *info = (struct bfd_link_info *) inf;
4776
4777 if (h->root.type != bfd_link_hash_undefweak
4778 || h->dynindx != -1)
4779 return TRUE;
4780
4781 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
07d6d2b8 4782 h, NULL);
bb1dd176
QZ		 4783}
4784
22b75d0a
DM		 4785bfd_boolean
4786_bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4787{
4788 bfd *dynobj;
4789 asection *sdyn;
4790 struct _bfd_sparc_elf_link_hash_table *htab;
4791
4792 htab = _bfd_sparc_elf_hash_table (info);
4dfe6ac6 4793 BFD_ASSERT (htab != NULL);
22b75d0a 4794 dynobj = htab->elf.dynobj;
6d0a6093
JM		 4795
4796 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4797 entries at the end of the dynlocal list, so they came at the end
4798 of the local symbols in the symtab. Except that they aren't
4799 STB_LOCAL, so we need to back up symtab->sh_info. */
4800 if (ABI_64_P (output_bfd)
4801 && elf_hash_table (info)->dynlocal)
4802 {
4803 asection *dynsymsec = bfd_get_linker_section (dynobj, ".dynsym");
4804 struct elf_link_local_dynamic_entry *e;
4805
4806 for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
4807 if (e->input_indx == -1)
4808 break;
4809 if (e)
4810 elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
4811 = e->dynindx;
4812 }
4813
3d4d4302 4814 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
22b75d0a
DM		 4815
4816 if (elf_hash_table (info)->dynamic_sections_created)
4817 {
4818 asection *splt;
22b75d0a 4819
3d4d4302 4820 splt = htab->elf.splt;
22b75d0a
DM		 4821 BFD_ASSERT (splt != NULL && sdyn != NULL);
4822
39817122
RS		 4823 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4824 return FALSE;
22b75d0a
DM		 4825
4826 /* Initialize the contents of the .plt section. */
4827 if (splt->size > 0)
4828 {
910600e9
RS		 4829 if (htab->is_vxworks)
4830 {
0e1862bb 4831 if (bfd_link_pic (info))
910600e9
RS		 4832 sparc_vxworks_finish_shared_plt (output_bfd, info);
4833 else
4834 sparc_vxworks_finish_exec_plt (output_bfd, info);
4835 }
22b75d0a
DM		 4836 else
4837 {
910600e9
RS		 4838 memset (splt->contents, 0, htab->plt_header_size);
4839 if (!ABI_64_P (output_bfd))
4840 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4841 splt->contents + splt->size - 4);
22b75d0a
DM		 4842 }
4843 }
4844
387f8054 4845 if (elf_section_data (splt->output_section) != NULL)
07d6d2b8
AM		 4846 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4847 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4848 ? 0 : htab->plt_entry_size);
22b75d0a
DM		 4849 }
4850
4851 /* Set the first entry in the global offset table to the address of
4852 the dynamic section. */
72fbc6e5 4853 if (htab->elf.sgot && htab->elf.sgot->size > 0)
22b75d0a
DM		 4854 {
4855 bfd_vma val = (sdyn ?
4856 sdyn->output_section->vma + sdyn->output_offset :
4857 0);
4858
72fbc6e5 4859 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
22b75d0a
DM		 4860 }
4861
72fbc6e5
DM		 4862 if (htab->elf.sgot)
4863 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
22b75d0a
DM		 4864 SPARC_ELF_WORD_BYTES (htab);
4865
d0c9aeb3
DM		 4866 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4867 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4868
bb1dd176
QZ		 4869 /* Fill PLT entries for undefined weak symbols in PIE. */
4870 if (bfd_link_pie (info))
4871 bfd_hash_traverse (&info->hash->table,
07d6d2b8
AM		 4872 pie_finish_undefweak_symbol,
4873 info);
22b75d0a
DM		 4874 return TRUE;
4875}
4876
4877\f
4878/* Set the right machine number for a SPARC ELF file. */
4879
4880bfd_boolean
4881_bfd_sparc_elf_object_p (bfd *abfd)
4882{
4f26fb3a
JM		 4883 obj_attribute *attrs = elf_known_obj_attributes (abfd)[OBJ_ATTR_GNU];
4884 obj_attribute *hwcaps = &attrs[Tag_GNU_Sparc_HWCAPS];
4885 obj_attribute *hwcaps2 = &attrs[Tag_GNU_Sparc_HWCAPS2];
4886
4887 unsigned int v9c_hwcaps_mask = ELF_SPARC_HWCAP_ASI_BLK_INIT;
4888 unsigned int v9d_hwcaps_mask = (ELF_SPARC_HWCAP_FMAF
07d6d2b8
AM		 4889 | ELF_SPARC_HWCAP_VIS3
4890 | ELF_SPARC_HWCAP_HPC);
4f26fb3a 4891 unsigned int v9e_hwcaps_mask = (ELF_SPARC_HWCAP_AES
07d6d2b8
AM		 4892 | ELF_SPARC_HWCAP_DES
4893 | ELF_SPARC_HWCAP_KASUMI
4894 | ELF_SPARC_HWCAP_CAMELLIA
4895 | ELF_SPARC_HWCAP_MD5
4896 | ELF_SPARC_HWCAP_SHA1
4897 | ELF_SPARC_HWCAP_SHA256
4898 | ELF_SPARC_HWCAP_SHA512
4899 | ELF_SPARC_HWCAP_MPMUL
4900 | ELF_SPARC_HWCAP_MONT
4901 | ELF_SPARC_HWCAP_CRC32C
4902 | ELF_SPARC_HWCAP_CBCOND
4903 | ELF_SPARC_HWCAP_PAUSE);
4f26fb3a 4904 unsigned int v9v_hwcaps_mask = (ELF_SPARC_HWCAP_FJFMAU
07d6d2b8 4905 | ELF_SPARC_HWCAP_IMA);
4f26fb3a 4906 unsigned int v9m_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC5
07d6d2b8
AM		 4907 | ELF_SPARC_HWCAP2_MWAIT
4908 | ELF_SPARC_HWCAP2_XMPMUL
4909 | ELF_SPARC_HWCAP2_XMONT);
64517994 4910 unsigned int m8_hwcaps2_mask = (ELF_SPARC_HWCAP2_SPARC6
07d6d2b8
AM		 4911 | ELF_SPARC_HWCAP2_ONADDSUB
4912 | ELF_SPARC_HWCAP2_ONMUL
4913 | ELF_SPARC_HWCAP2_ONDIV
4914 | ELF_SPARC_HWCAP2_DICTUNP
4915 | ELF_SPARC_HWCAP2_FPCMPSHL
4916 | ELF_SPARC_HWCAP2_RLE
4917 | ELF_SPARC_HWCAP2_SHA3);
4f26fb3a 4918
22b75d0a
DM		 4919 if (ABI_64_P (abfd))
4920 {
4921 unsigned long mach = bfd_mach_sparc_v9;
4922
64517994 4923 if (hwcaps2->i & m8_hwcaps2_mask)
07d6d2b8 4924 mach = bfd_mach_sparc_v9m8;
64517994 4925 else if (hwcaps2->i & v9m_hwcaps2_mask)
07d6d2b8 4926 mach = bfd_mach_sparc_v9m;
4f26fb3a 4927 else if (hwcaps->i & v9v_hwcaps_mask)
07d6d2b8 4928 mach = bfd_mach_sparc_v9v;
4f26fb3a 4929 else if (hwcaps->i & v9e_hwcaps_mask)
07d6d2b8 4930 mach = bfd_mach_sparc_v9e;
4f26fb3a 4931 else if (hwcaps->i & v9d_hwcaps_mask)
07d6d2b8 4932 mach = bfd_mach_sparc_v9d;
4f26fb3a 4933 else if (hwcaps->i & v9c_hwcaps_mask)
07d6d2b8 4934 mach = bfd_mach_sparc_v9c;
4f26fb3a 4935 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
22b75d0a
DM		 4936 mach = bfd_mach_sparc_v9b;
4937 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4938 mach = bfd_mach_sparc_v9a;
4939 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4940 }
4941 else
4942 {
4943 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4944 {
07d6d2b8
AM		 4945 if (hwcaps2->i & m8_hwcaps2_mask)
4946 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4947 bfd_mach_sparc_v8plusm8);
4948 else if (hwcaps2->i & v9m_hwcaps2_mask)
4f26fb3a
JM		 4949 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4950 bfd_mach_sparc_v8plusm);
07d6d2b8
AM		 4951 else if (hwcaps->i & v9v_hwcaps_mask)
4952 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a 4953 bfd_mach_sparc_v8plusv);
07d6d2b8
AM		 4954 else if (hwcaps->i & v9e_hwcaps_mask)
4955 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a 4956 bfd_mach_sparc_v8pluse);
07d6d2b8
AM		 4957 else if (hwcaps->i & v9d_hwcaps_mask)
4958 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a 4959 bfd_mach_sparc_v8plusd);
07d6d2b8
AM		 4960 else if (hwcaps->i & v9c_hwcaps_mask)
4961 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4f26fb3a
JM		 4962 bfd_mach_sparc_v8plusc);
4963 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
22b75d0a
DM		 4964 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4965 bfd_mach_sparc_v8plusb);
4966 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4967 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4968 bfd_mach_sparc_v8plusa);
4969 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4970 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4971 bfd_mach_sparc_v8plus);
4972 else
4973 return FALSE;
4974 }
4975 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4976 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4977 bfd_mach_sparc_sparclite_le);
4978 else
4979 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4980 }
4981}
4982
4983/* Return address for Ith PLT stub in section PLT, for relocation REL
4984 or (bfd_vma) -1 if it should not be included. */
4985
4986bfd_vma
4987_bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4988{
4989 if (ABI_64_P (plt->owner))
4990 {
4991 bfd_vma j;
4992
4993 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4994 if (i < PLT64_LARGE_THRESHOLD)
4995 return plt->vma + i * PLT64_ENTRY_SIZE;
4996
4997 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4998 i -= j;
4999 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
5000 }
5001 else
5002 return rel->address;
5003}
9e8c70f9
DM		 5004
5005/* Merge backend specific data from an object file to the output
5006 object file when linking. */
5007
5008bfd_boolean
50e03d47 5009_bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
9e8c70f9 5010{
50e03d47 5011 bfd *obfd = info->output_bfd;
9e8c70f9
DM		 5012 obj_attribute *in_attr, *in_attrs;
5013 obj_attribute *out_attr, *out_attrs;
5014
5015 if (!elf_known_obj_attributes_proc (obfd)[0].i)
5016 {
5017 /* This is the first object. Copy the attributes. */
5018 _bfd_elf_copy_obj_attributes (ibfd, obfd);
5019
5020 /* Use the Tag_null value to indicate the attributes have been
5021 initialized. */
5022 elf_known_obj_attributes_proc (obfd)[0].i = 1;
5023
5024 return TRUE;
5025 }
5026
5027 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
5028 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
5029
5030 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
5031 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
1b786873 5032
3d68f91c
JM		 5033 out_attr->i |= in_attr->i;
5034 out_attr->type = 1;
9e8c70f9 5035
3d68f91c
JM		 5036 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS2];
5037 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS2];
1b786873 5038
9e8c70f9 5039 out_attr->i |= in_attr->i;
209be8d2 5040 out_attr->type = 1;
9e8c70f9
DM		 5041
5042 /* Merge Tag_compatibility attributes and any common GNU ones. */
50e03d47 5043 _bfd_elf_merge_object_attributes (ibfd, info);
9e8c70f9
DM		 5044
5045 return TRUE;
5046}
GDB Binutils - Deliverables
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