projects / deliverable / binutils-gdb.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
* elf32-sparc.c (elf32_sparc_relocate_section): Don't abort
[deliverable/binutils-gdb.git] / bfd / elf32-sparc.c
CommitLineData
252b5132 1/* SPARC-specific support for 32-bit ELF
f0abc2a1 2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
b2a8e766 3 2003, 2004 Free Software Foundation, Inc.
252b5132 4
ae9a127f 5 This file is part of BFD, the Binary File Descriptor library.
252b5132 6
ae9a127f
NC		 7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
252b5132 11
ae9a127f
NC		 12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
252b5132 16
ae9a127f
NC		 17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
252b5132
RH		 20
21#include "bfd.h"
22#include "sysdep.h"
23#include "bfdlink.h"
24#include "libbfd.h"
25#include "elf-bfd.h"
26#include "elf/sparc.h"
f7775d95 27#include "opcode/sparc.h"
252b5132
RH		 28
29static reloc_howto_type *elf32_sparc_reloc_type_lookup
30 PARAMS ((bfd *, bfd_reloc_code_real_type));
31static void elf32_sparc_info_to_howto
32 PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
b34976b6 33static bfd_boolean elf32_sparc_check_relocs
252b5132
RH		 34 PARAMS ((bfd *, struct bfd_link_info *, asection *,
35 const Elf_Internal_Rela *));
b34976b6 36static bfd_boolean elf32_sparc_adjust_dynamic_symbol
252b5132 37 PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
b9734f35
JJ		 38static bfd_boolean allocate_dynrelocs
39 PARAMS ((struct elf_link_hash_entry *, PTR));
40static bfd_boolean readonly_dynrelocs
41 PARAMS ((struct elf_link_hash_entry *, PTR));
b34976b6 42static bfd_boolean elf32_sparc_size_dynamic_sections
252b5132 43 PARAMS ((bfd *, struct bfd_link_info *));
f0abc2a1
AM		 44static bfd_boolean elf32_sparc_new_section_hook
45 PARAMS ((bfd *, asection *));
b34976b6
AM		 46static bfd_boolean elf32_sparc_relax_section
47 PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
b9734f35
JJ		 48static bfd_vma dtpoff_base
49 PARAMS ((struct bfd_link_info *));
50static bfd_vma tpoff
51 PARAMS ((struct bfd_link_info *, bfd_vma));
b34976b6 52static bfd_boolean elf32_sparc_relocate_section
252b5132
RH		 53 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
54 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
b34976b6 55static bfd_boolean elf32_sparc_finish_dynamic_symbol
252b5132
RH		 56 PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
57 Elf_Internal_Sym *));
b34976b6 58static bfd_boolean elf32_sparc_finish_dynamic_sections
252b5132 59 PARAMS ((bfd *, struct bfd_link_info *));
b34976b6
AM		 60static bfd_boolean elf32_sparc_merge_private_bfd_data
61 PARAMS ((bfd *, bfd *));
b9734f35
JJ		 62static struct bfd_hash_entry *link_hash_newfunc
63 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
64static struct bfd_link_hash_table *elf32_sparc_link_hash_table_create
65 PARAMS ((bfd *));
26e41594
AM		 66static bfd_boolean create_got_section
67 PARAMS ((bfd *, struct bfd_link_info *));
b9734f35
JJ		 68static bfd_boolean elf32_sparc_create_dynamic_sections
69 PARAMS ((bfd *, struct bfd_link_info *));
70static void elf32_sparc_copy_indirect_symbol
9c5bfbb7 71 PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *,
b9734f35
JJ		 72 struct elf_link_hash_entry *));
73static int elf32_sparc_tls_transition
74 PARAMS ((struct bfd_link_info *, bfd *, int, int));
75
76static bfd_boolean elf32_sparc_mkobject
77 PARAMS ((bfd *));
b34976b6 78static bfd_boolean elf32_sparc_object_p
252b5132
RH		 79 PARAMS ((bfd *));
80static void elf32_sparc_final_write_processing
b34976b6 81 PARAMS ((bfd *, bfd_boolean));
db6751f2 82static enum elf_reloc_type_class elf32_sparc_reloc_type_class
f51e552e 83 PARAMS ((const Elf_Internal_Rela *));
917583ad 84static asection * elf32_sparc_gc_mark_hook
1e2f5b6e 85 PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
917583ad 86 struct elf_link_hash_entry *, Elf_Internal_Sym *));
b34976b6 87static bfd_boolean elf32_sparc_gc_sweep_hook
917583ad
NC		 88 PARAMS ((bfd *, struct bfd_link_info *, asection *,
89 const Elf_Internal_Rela *));
252b5132
RH		 90\f
91/* The relocation "howto" table. */
92
93static bfd_reloc_status_type sparc_elf_notsupported_reloc
94 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
95static bfd_reloc_status_type sparc_elf_wdisp16_reloc
96 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
b9734f35
JJ		 97static bfd_reloc_status_type sparc_elf_hix22_reloc
98 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
99static bfd_reloc_status_type sparc_elf_lox10_reloc
100 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
252b5132
RH		 101
102reloc_howto_type _bfd_sparc_elf_howto_table[] =
103{
b34976b6
AM		 104 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
105 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
106 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
107 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
108 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
109 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
110 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
111 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
112 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
113 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
114 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
115 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
116 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
117 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
118 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
119 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
120 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
121 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
122 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
123 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
124 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),
125 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),
126 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
127 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
128 HOWTO(R_SPARC_PLT32, 0,0,00,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
129 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
130 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
131 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
132 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
133 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
134 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
135 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
252b5132
RH		 136 /* These are for sparc64 in a 64 bit environment.
137 Values need to be here because the table is indexed by reloc number. */
b34976b6
AM		 138 HOWTO(R_SPARC_64, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_64", FALSE,0,0x00000000,TRUE),
139 HOWTO(R_SPARC_OLO10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_OLO10", FALSE,0,0x00000000,TRUE),
140 HOWTO(R_SPARC_HH22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HH22", FALSE,0,0x00000000,TRUE),
141 HOWTO(R_SPARC_HM10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HM10", FALSE,0,0x00000000,TRUE),
142 HOWTO(R_SPARC_LM22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LM22", FALSE,0,0x00000000,TRUE),
143 HOWTO(R_SPARC_PC_HH22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_HH22", FALSE,0,0x00000000,TRUE),
144 HOWTO(R_SPARC_PC_HM10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_HM10", FALSE,0,0x00000000,TRUE),
145 HOWTO(R_SPARC_PC_LM22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PC_LM22", FALSE,0,0x00000000,TRUE),
252b5132
RH		 146 /* End sparc64 in 64 bit environment values.
147 The following are for sparc64 in a 32 bit environment. */
b34976b6
AM		 148 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
149 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
150 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),
151 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
152 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
153 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
154 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
155 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
156 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
157 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
158 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
159 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
160 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
161 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
162 HOWTO(R_SPARC_UA64, 0,0, 0,FALSE,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_UA64", FALSE,0,0x00000000,TRUE),
163 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
b9734f35
JJ		 164 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),
165 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),
166 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),
167 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),
168 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),
169 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),
170 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),
171 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),
172 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),
173 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),
174 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),
175 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),
176 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),
177 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),
178 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),
179 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),
180 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),
181 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),
182 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),
183 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),
184 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),
185 HOWTO(R_SPARC_TLS_DTPOFF64,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_TLS_DTPOFF64",FALSE,0,0x00000000,TRUE),
186 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),
187 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)
252b5132
RH		 188};
189static reloc_howto_type elf32_sparc_vtinherit_howto =
b34976b6 190 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
252b5132 191static reloc_howto_type elf32_sparc_vtentry_howto =
b34976b6 192 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);
b9734f35
JJ		 193static reloc_howto_type elf32_sparc_rev32_howto =
194 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
252b5132 195
252b5132
RH		 196struct elf_reloc_map {
197 bfd_reloc_code_real_type bfd_reloc_val;
198 unsigned char elf_reloc_val;
199};
200
dc810e39 201static const struct elf_reloc_map sparc_reloc_map[] =
252b5132
RH		 202{
203 { BFD_RELOC_NONE, R_SPARC_NONE, },
204 { BFD_RELOC_16, R_SPARC_16, },
bd5e6e7e 205 { BFD_RELOC_16_PCREL, R_SPARC_DISP16 },
252b5132
RH		 206 { BFD_RELOC_8, R_SPARC_8 },
207 { BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
208 { BFD_RELOC_CTOR, R_SPARC_32 },
209 { BFD_RELOC_32, R_SPARC_32 },
210 { BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
211 { BFD_RELOC_HI22, R_SPARC_HI22 },
212 { BFD_RELOC_LO10, R_SPARC_LO10, },
213 { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
bd5e6e7e 214 { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
252b5132
RH		 215 { BFD_RELOC_SPARC22, R_SPARC_22 },
216 { BFD_RELOC_SPARC13, R_SPARC_13 },
217 { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
218 { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
219 { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
220 { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
221 { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
222 { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
223 { BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
224 { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
225 { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
226 { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
227 { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
0f2712ed
NC		 228 { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 },
229 { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 },
230 { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 },
231 { BFD_RELOC_SPARC_10, R_SPARC_10 },
232 { BFD_RELOC_SPARC_11, R_SPARC_11 },
233 { BFD_RELOC_SPARC_64, R_SPARC_64 },
234 { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
235 { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
236 { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
237 { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
238 { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
239 { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
240 { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
241 { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
242 { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
243 { BFD_RELOC_SPARC_7, R_SPARC_7 },
244 { BFD_RELOC_SPARC_5, R_SPARC_5 },
245 { BFD_RELOC_SPARC_6, R_SPARC_6 },
b9734f35
JJ		 246 { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 },
247 { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 },
248 { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD },
249 { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL },
250 { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 },
251 { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 },
252 { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD },
253 { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL },
254 { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 },
255 { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 },
256 { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD },
257 { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 },
258 { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 },
259 { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD },
260 { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX },
261 { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD },
262 { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 },
263 { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 },
264 { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 },
265 { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 },
266 { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 },
267 { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 },
268 { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 },
269 { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 },
0f2712ed
NC		 270 { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT },
271 { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY },
b9734f35 272 { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 }
252b5132
RH		 273};
274
275static reloc_howto_type *
276elf32_sparc_reloc_type_lookup (abfd, code)
5f771d47 277 bfd *abfd ATTRIBUTE_UNUSED;
252b5132
RH		 278 bfd_reloc_code_real_type code;
279{
280 unsigned int i;
435b1e90 281
252b5132
RH		 282 switch (code)
283 {
284 case BFD_RELOC_VTABLE_INHERIT:
285 return &elf32_sparc_vtinherit_howto;
286
287 case BFD_RELOC_VTABLE_ENTRY:
288 return &elf32_sparc_vtentry_howto;
289
b9734f35
JJ		 290 case BFD_RELOC_SPARC_REV32:
291 return &elf32_sparc_rev32_howto;
292
252b5132 293 default:
26e41594
AM		 294 for (i = 0;
295 i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map);
296 i++)
297 {
298 if (sparc_reloc_map[i].bfd_reloc_val == code)
299 return (_bfd_sparc_elf_howto_table
300 + (int) sparc_reloc_map[i].elf_reloc_val);
301 }
252b5132
RH		 302 }
303 bfd_set_error (bfd_error_bad_value);
304 return NULL;
305}
306
307/* We need to use ELF32_R_TYPE so we have our own copy of this function,
308 and elf64-sparc.c has its own copy. */
309
310static void
311elf32_sparc_info_to_howto (abfd, cache_ptr, dst)
5f771d47 312 bfd *abfd ATTRIBUTE_UNUSED;
252b5132
RH		 313 arelent *cache_ptr;
314 Elf_Internal_Rela *dst;
315{
60dac299
RH		 316 switch (ELF32_R_TYPE(dst->r_info))
317 {
318 case R_SPARC_GNU_VTINHERIT:
319 cache_ptr->howto = &elf32_sparc_vtinherit_howto;
320 break;
321
322 case R_SPARC_GNU_VTENTRY:
323 cache_ptr->howto = &elf32_sparc_vtentry_howto;
324 break;
325
b9734f35
JJ		 326 case R_SPARC_REV32:
327 cache_ptr->howto = &elf32_sparc_rev32_howto;
328 break;
329
60dac299
RH		 330 default:
331 BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max_std);
332 cache_ptr->howto = &_bfd_sparc_elf_howto_table[ELF32_R_TYPE(dst->r_info)];
333 }
252b5132
RH		 334}
335\f
336/* For unsupported relocs. */
337
338static bfd_reloc_status_type
339sparc_elf_notsupported_reloc (abfd,
340 reloc_entry,
341 symbol,
342 data,
343 input_section,
344 output_bfd,
345 error_message)
5f771d47
ILT		 346 bfd *abfd ATTRIBUTE_UNUSED;
347 arelent *reloc_entry ATTRIBUTE_UNUSED;
348 asymbol *symbol ATTRIBUTE_UNUSED;
349 PTR data ATTRIBUTE_UNUSED;
350 asection *input_section ATTRIBUTE_UNUSED;
351 bfd *output_bfd ATTRIBUTE_UNUSED;
352 char **error_message ATTRIBUTE_UNUSED;
252b5132
RH		 353{
354 return bfd_reloc_notsupported;
355}
356
357/* Handle the WDISP16 reloc. */
358
359static bfd_reloc_status_type
360sparc_elf_wdisp16_reloc (abfd,
361 reloc_entry,
362 symbol,
363 data,
364 input_section,
365 output_bfd,
366 error_message)
367 bfd *abfd;
368 arelent *reloc_entry;
369 asymbol *symbol;
370 PTR data;
371 asection *input_section;
372 bfd *output_bfd;
5f771d47 373 char **error_message ATTRIBUTE_UNUSED;
252b5132
RH		 374{
375 bfd_vma relocation;
376 bfd_vma x;
377
378 if (output_bfd != (bfd *) NULL
379 && (symbol->flags & BSF_SECTION_SYM) == 0
380 && (! reloc_entry->howto->partial_inplace
381 || reloc_entry->addend == 0))
382 {
383 reloc_entry->address += input_section->output_offset;
384 return bfd_reloc_ok;
385 }
386
387 if (output_bfd != NULL)
388 return bfd_reloc_continue;
389
390 if (reloc_entry->address > input_section->_cooked_size)
391 return bfd_reloc_outofrange;
392
393 relocation = (symbol->value
394 + symbol->section->output_section->vma
395 + symbol->section->output_offset);
396 relocation += reloc_entry->addend;
397 relocation -= (input_section->output_section->vma
398 + input_section->output_offset);
399 relocation -= reloc_entry->address;
400
401 x = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
402 x |= ((((relocation >> 2) & 0xc000) << 6)
403 | ((relocation >> 2) & 0x3fff));
404 bfd_put_32 (abfd, x, (bfd_byte *) data + reloc_entry->address);
405
406 if ((bfd_signed_vma) relocation < - 0x40000
407 || (bfd_signed_vma) relocation > 0x3ffff)
408 return bfd_reloc_overflow;
409 else
410 return bfd_reloc_ok;
411}
b9734f35
JJ		 412
413/* Handle the HIX22 reloc. */
414
415static bfd_reloc_status_type
416sparc_elf_hix22_reloc (abfd,
417 reloc_entry,
418 symbol,
419 data,
420 input_section,
421 output_bfd,
422 error_message)
423 bfd *abfd;
424 arelent *reloc_entry;
425 asymbol *symbol;
426 PTR data;
427 asection *input_section;
428 bfd *output_bfd;
429 char **error_message ATTRIBUTE_UNUSED;
430{
431 bfd_vma relocation;
432 bfd_vma insn;
433
434 if (output_bfd != (bfd *) NULL
435 && (symbol->flags & BSF_SECTION_SYM) == 0)
436 {
437 reloc_entry->address += input_section->output_offset;
438 return bfd_reloc_ok;
439 }
440
441 if (output_bfd != NULL)
442 return bfd_reloc_continue;
443
444 if (reloc_entry->address > input_section->_cooked_size)
445 return bfd_reloc_outofrange;
446
447 relocation = (symbol->value
448 + symbol->section->output_section->vma
449 + symbol->section->output_offset);
450 relocation += reloc_entry->addend;
451 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
452
453 insn = (insn &~ (bfd_vma) 0x3fffff) | (((~relocation) >> 10) & 0x3fffff);
454 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
455
456 return bfd_reloc_ok;
457}
458
459/* Handle the LOX10 reloc. */
460
461static bfd_reloc_status_type
462sparc_elf_lox10_reloc (abfd,
463 reloc_entry,
464 symbol,
465 data,
466 input_section,
467 output_bfd,
468 error_message)
469 bfd *abfd;
470 arelent *reloc_entry;
471 asymbol *symbol;
472 PTR data;
473 asection *input_section;
474 bfd *output_bfd;
475 char **error_message ATTRIBUTE_UNUSED;
476{
477 bfd_vma relocation;
478 bfd_vma insn;
479
480 if (output_bfd != (bfd *) NULL
481 && (symbol->flags & BSF_SECTION_SYM) == 0)
482 {
483 reloc_entry->address += input_section->output_offset;
484 return bfd_reloc_ok;
485 }
486
487 if (output_bfd != NULL)
488 return bfd_reloc_continue;
489
490 if (reloc_entry->address > input_section->_cooked_size)
491 return bfd_reloc_outofrange;
492
493 relocation = (symbol->value
494 + symbol->section->output_section->vma
495 + symbol->section->output_offset);
496 relocation += reloc_entry->addend;
497 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
498
499 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
500 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
501
502 return bfd_reloc_ok;
503}
0647ed71
MK		 504\f
505/* Support for core dump NOTE sections. */
506
507static bfd_boolean
508elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
509{
510 switch (note->descsz)
511 {
512 default:
513 return FALSE;
514
515 case 260: /* Solaris prpsinfo_t. */
516 elf_tdata (abfd)->core_program
517 = _bfd_elfcore_strndup (abfd, note->descdata + 84, 16);
518 elf_tdata (abfd)->core_command
519 = _bfd_elfcore_strndup (abfd, note->descdata + 100, 80);
520 break;
521
522 case 336: /* Solaris psinfo_t. */
523 elf_tdata (abfd)->core_program
524 = _bfd_elfcore_strndup (abfd, note->descdata + 88, 16);
525 elf_tdata (abfd)->core_command
526 = _bfd_elfcore_strndup (abfd, note->descdata + 104, 80);
527 break;
528 }
529
530 return TRUE;
531}
532
252b5132
RH		 533\f
534/* Functions for the SPARC ELF linker. */
535
536/* The name of the dynamic interpreter. This is put in the .interp
537 section. */
538
539#define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
540
541/* The nop opcode we use. */
542
543#define SPARC_NOP 0x01000000
544
545/* The size in bytes of an entry in the procedure linkage table. */
546
547#define PLT_ENTRY_SIZE 12
548
549/* The first four entries in a procedure linkage table are reserved,
550 and the initial contents are unimportant (we zero them out).
551 Subsequent entries look like this. See the SVR4 ABI SPARC
552 supplement to see how this works. */
553
554/* sethi %hi(.-.plt0),%g1. We fill in the address later. */
555#define PLT_ENTRY_WORD0 0x03000000
556/* b,a .plt0. We fill in the offset later. */
557#define PLT_ENTRY_WORD1 0x30800000
558/* nop. */
559#define PLT_ENTRY_WORD2 SPARC_NOP
560
b9734f35
JJ		 561/* The SPARC linker needs to keep track of the number of relocs that it
562 decides to copy as dynamic relocs in check_relocs for each symbol.
563 This is so that it can later discard them if they are found to be
564 unnecessary. We store the information in a field extending the
565 regular ELF linker hash table. */
566
567struct elf32_sparc_dyn_relocs
568{
569 struct elf32_sparc_dyn_relocs *next;
570
571 /* The input section of the reloc. */
572 asection *sec;
573
574 /* Total number of relocs copied for the input section. */
575 bfd_size_type count;
576
577 /* Number of pc-relative relocs copied for the input section. */
578 bfd_size_type pc_count;
579};
580
581/* SPARC ELF linker hash entry. */
582
583struct elf32_sparc_link_hash_entry
584{
585 struct elf_link_hash_entry elf;
586
587 /* Track dynamic relocs copied for this symbol. */
588 struct elf32_sparc_dyn_relocs *dyn_relocs;
589
590#define GOT_UNKNOWN 0
591#define GOT_NORMAL 1
592#define GOT_TLS_GD 2
593#define GOT_TLS_IE 3
594 unsigned char tls_type;
595};
596
597#define elf32_sparc_hash_entry(ent) ((struct elf32_sparc_link_hash_entry *)(ent))
598
599struct elf32_sparc_obj_tdata
600{
601 struct elf_obj_tdata root;
602
603 /* tls_type for each local got entry. */
604 char *local_got_tls_type;
605
606 /* TRUE if TLS GD relocs has been seen for this object. */
607 bfd_boolean has_tlsgd;
608};
609
610#define elf32_sparc_tdata(abfd) \
611 ((struct elf32_sparc_obj_tdata *) (abfd)->tdata.any)
612
613#define elf32_sparc_local_got_tls_type(abfd) \
614 (elf32_sparc_tdata (abfd)->local_got_tls_type)
615
616static bfd_boolean
617elf32_sparc_mkobject (abfd)
618 bfd *abfd;
619{
620 bfd_size_type amt = sizeof (struct elf32_sparc_obj_tdata);
621 abfd->tdata.any = bfd_zalloc (abfd, amt);
622 if (abfd->tdata.any == NULL)
623 return FALSE;
624 return TRUE;
625}
626
627/* SPARC ELF linker hash table. */
628
629struct elf32_sparc_link_hash_table
630{
631 struct elf_link_hash_table elf;
632
633 /* Short-cuts to get to dynamic linker sections. */
634 asection *sgot;
635 asection *srelgot;
636 asection *splt;
637 asection *srelplt;
638 asection *sdynbss;
639 asection *srelbss;
640
641 union {
642 bfd_signed_vma refcount;
643 bfd_vma offset;
644 } tls_ldm_got;
645
646 /* Small local sym to section mapping cache. */
647 struct sym_sec_cache sym_sec;
648};
649
650/* Get the SPARC ELF linker hash table from a link_info structure. */
651
652#define elf32_sparc_hash_table(p) \
653 ((struct elf32_sparc_link_hash_table *) ((p)->hash))
654
655/* Create an entry in an i386 ELF linker hash table. */
656
657static struct bfd_hash_entry *
658link_hash_newfunc (entry, table, string)
659 struct bfd_hash_entry *entry;
660 struct bfd_hash_table *table;
661 const char *string;
662{
663 /* Allocate the structure if it has not already been allocated by a
664 subclass. */
665 if (entry == NULL)
666 {
667 entry = bfd_hash_allocate (table,
26e41594 668 sizeof (struct elf32_sparc_link_hash_entry));
b9734f35 669 if (entry == NULL)
26e41594 670 return entry;
b9734f35
JJ		 671 }
672
673 /* Call the allocation method of the superclass. */
674 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
675 if (entry != NULL)
676 {
677 struct elf32_sparc_link_hash_entry *eh;
678
679 eh = (struct elf32_sparc_link_hash_entry *) entry;
680 eh->dyn_relocs = NULL;
681 eh->tls_type = GOT_UNKNOWN;
682 }
683
684 return entry;
685}
686
687/* Create a SPARC ELF linker hash table. */
688
689static struct bfd_link_hash_table *
690elf32_sparc_link_hash_table_create (abfd)
691 bfd *abfd;
692{
693 struct elf32_sparc_link_hash_table *ret;
694 bfd_size_type amt = sizeof (struct elf32_sparc_link_hash_table);
695
696 ret = (struct elf32_sparc_link_hash_table *) bfd_malloc (amt);
697 if (ret == NULL)
698 return NULL;
699
700 if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc))
701 {
702 free (ret);
703 return NULL;
704 }
705
706 ret->sgot = NULL;
707 ret->srelgot = NULL;
708 ret->splt = NULL;
709 ret->srelplt = NULL;
710 ret->sdynbss = NULL;
711 ret->srelbss = NULL;
712 ret->tls_ldm_got.refcount = 0;
713 ret->sym_sec.abfd = NULL;
714
715 return &ret->elf.root;
716}
717
718/* Create .got and .rela.got sections in DYNOBJ, and set up
719 shortcuts to them in our hash table. */
720
721static bfd_boolean
722create_got_section (dynobj, info)
723 bfd *dynobj;
724 struct bfd_link_info *info;
725{
726 struct elf32_sparc_link_hash_table *htab;
727
728 if (! _bfd_elf_create_got_section (dynobj, info))
729 return FALSE;
730
731 htab = elf32_sparc_hash_table (info);
732 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
733 if (!htab->sgot)
734 abort ();
735
736 htab->srelgot = bfd_make_section (dynobj, ".rela.got");
737 if (htab->srelgot == NULL
738 || ! bfd_set_section_flags (dynobj, htab->srelgot,
739 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS
740 | SEC_IN_MEMORY | SEC_LINKER_CREATED
741 | SEC_READONLY))
742 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
743 return FALSE;
744 return TRUE;
745}
746
747/* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
748 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
749 hash table. */
750
751static bfd_boolean
752elf32_sparc_create_dynamic_sections (dynobj, info)
753 bfd *dynobj;
754 struct bfd_link_info *info;
755{
756 struct elf32_sparc_link_hash_table *htab;
757
758 htab = elf32_sparc_hash_table (info);
759 if (!htab->sgot && !create_got_section (dynobj, info))
760 return FALSE;
761
762 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
763 return FALSE;
764
765 htab->splt = bfd_get_section_by_name (dynobj, ".plt");
766 htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
767 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
768 if (!info->shared)
769 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
770
771 if (!htab->splt || !htab->srelplt || !htab->sdynbss
772 || (!info->shared && !htab->srelbss))
773 abort ();
774
775 return TRUE;
776}
777
778/* Copy the extra info we tack onto an elf_link_hash_entry. */
779
780static void
781elf32_sparc_copy_indirect_symbol (bed, dir, ind)
9c5bfbb7 782 const struct elf_backend_data *bed;
b9734f35
JJ		 783 struct elf_link_hash_entry *dir, *ind;
784{
785 struct elf32_sparc_link_hash_entry *edir, *eind;
786
787 edir = (struct elf32_sparc_link_hash_entry *) dir;
788 eind = (struct elf32_sparc_link_hash_entry *) ind;
789
790 if (eind->dyn_relocs != NULL)
791 {
792 if (edir->dyn_relocs != NULL)
26e41594
AM		 793 {
794 struct elf32_sparc_dyn_relocs **pp;
795 struct elf32_sparc_dyn_relocs *p;
796
797 if (ind->root.type == bfd_link_hash_indirect)
798 abort ();
799
800 /* Add reloc counts against the weak sym to the strong sym
801 list. Merge any entries against the same section. */
802 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
803 {
804 struct elf32_sparc_dyn_relocs *q;
805
806 for (q = edir->dyn_relocs; q != NULL; q = q->next)
807 if (q->sec == p->sec)
808 {
809 q->pc_count += p->pc_count;
810 q->count += p->count;
811 *pp = p->next;
812 break;
813 }
814 if (q == NULL)
815 pp = &p->next;
816 }
817 *pp = edir->dyn_relocs;
818 }
b9734f35
JJ		 819
820 edir->dyn_relocs = eind->dyn_relocs;
821 eind->dyn_relocs = NULL;
822 }
823
824 if (ind->root.type == bfd_link_hash_indirect
825 && dir->got.refcount <= 0)
826 {
827 edir->tls_type = eind->tls_type;
828 eind->tls_type = GOT_UNKNOWN;
829 }
830 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
831}
832
833static int
834elf32_sparc_tls_transition (info, abfd, r_type, is_local)
835 struct bfd_link_info *info;
836 bfd *abfd;
837 int r_type;
838 int is_local;
839{
840 if (r_type == R_SPARC_TLS_GD_HI22
841 && ! elf32_sparc_tdata (abfd)->has_tlsgd)
842 r_type = R_SPARC_REV32;
843
844 if (info->shared)
845 return r_type;
846
847 switch (r_type)
848 {
849 case R_SPARC_TLS_GD_HI22:
850 if (is_local)
851 return R_SPARC_TLS_LE_HIX22;
852 return R_SPARC_TLS_IE_HI22;
853 case R_SPARC_TLS_GD_LO10:
854 if (is_local)
26e41594 855 return R_SPARC_TLS_LE_LOX10;
b9734f35
JJ		 856 return R_SPARC_TLS_IE_LO10;
857 case R_SPARC_TLS_IE_HI22:
858 if (is_local)
26e41594 859 return R_SPARC_TLS_LE_HIX22;
b9734f35
JJ		 860 return r_type;
861 case R_SPARC_TLS_IE_LO10:
862 if (is_local)
26e41594 863 return R_SPARC_TLS_LE_LOX10;
b9734f35
JJ		 864 return r_type;
865 case R_SPARC_TLS_LDM_HI22:
866 return R_SPARC_TLS_LE_HIX22;
867 case R_SPARC_TLS_LDM_LO10:
868 return R_SPARC_TLS_LE_LOX10;
869 }
870
871 return r_type;
872}
873
252b5132
RH		 874/* Look through the relocs for a section during the first phase, and
875 allocate space in the global offset table or procedure linkage
876 table. */
877
b34976b6 878static bfd_boolean
252b5132
RH		 879elf32_sparc_check_relocs (abfd, info, sec, relocs)
880 bfd *abfd;
881 struct bfd_link_info *info;
882 asection *sec;
883 const Elf_Internal_Rela *relocs;
884{
b9734f35 885 struct elf32_sparc_link_hash_table *htab;
252b5132
RH		 886 Elf_Internal_Shdr *symtab_hdr;
887 struct elf_link_hash_entry **sym_hashes;
888 bfd_vma *local_got_offsets;
889 const Elf_Internal_Rela *rel;
890 const Elf_Internal_Rela *rel_end;
252b5132 891 asection *sreloc;
b9734f35 892 bfd_boolean checked_tlsgd = FALSE;
252b5132 893
1049f94e 894 if (info->relocatable)
b34976b6 895 return TRUE;
252b5132 896
b9734f35 897 htab = elf32_sparc_hash_table (info);
252b5132
RH		 898 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
899 sym_hashes = elf_sym_hashes (abfd);
900 local_got_offsets = elf_local_got_offsets (abfd);
901
252b5132
RH		 902 sreloc = NULL;
903
904 rel_end = relocs + sec->reloc_count;
905 for (rel = relocs; rel < rel_end; rel++)
906 {
b9734f35 907 unsigned int r_type;
252b5132
RH		 908 unsigned long r_symndx;
909 struct elf_link_hash_entry *h;
910
911 r_symndx = ELF32_R_SYM (rel->r_info);
b9734f35
JJ		 912 r_type = ELF32_R_TYPE (rel->r_info);
913
914 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
26e41594
AM		 915 {
916 (*_bfd_error_handler) (_("%s: bad symbol index: %d"),
917 bfd_archive_filename (abfd),
918 r_symndx);
919 return FALSE;
920 }
b9734f35 921
252b5132
RH		 922 if (r_symndx < symtab_hdr->sh_info)
923 h = NULL;
924 else
925 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
926
b9734f35
JJ		 927 /* Compatibility with old R_SPARC_REV32 reloc conflicting
928 with R_SPARC_TLS_GD_HI22. */
929 if (! checked_tlsgd)
930 switch (r_type)
931 {
932 case R_SPARC_TLS_GD_HI22:
933 {
934 const Elf_Internal_Rela *relt;
935
936 for (relt = rel + 1; relt < rel_end; relt++)
937 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
938 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
939 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
940 break;
941 checked_tlsgd = TRUE;
942 elf32_sparc_tdata (abfd)->has_tlsgd = relt < rel_end;
943 }
944 break;
945 case R_SPARC_TLS_GD_LO10:
946 case R_SPARC_TLS_GD_ADD:
947 case R_SPARC_TLS_GD_CALL:
948 checked_tlsgd = TRUE;
949 elf32_sparc_tdata (abfd)->has_tlsgd = TRUE;
950 break;
951 }
952
953 r_type = elf32_sparc_tls_transition (info, abfd, r_type, h == NULL);
954 switch (r_type)
252b5132 955 {
b9734f35
JJ		 956 case R_SPARC_TLS_LDM_HI22:
957 case R_SPARC_TLS_LDM_LO10:
958 htab->tls_ldm_got.refcount += 1;
959 break;
960
961 case R_SPARC_TLS_LE_HIX22:
962 case R_SPARC_TLS_LE_LOX10:
963 if (info->shared)
964 goto r_sparc_plt32;
965 break;
966
967 case R_SPARC_TLS_IE_HI22:
968 case R_SPARC_TLS_IE_LO10:
969 if (info->shared)
970 info->flags |= DF_STATIC_TLS;
971 /* Fall through */
972
252b5132
RH		 973 case R_SPARC_GOT10:
974 case R_SPARC_GOT13:
975 case R_SPARC_GOT22:
b9734f35
JJ		 976 case R_SPARC_TLS_GD_HI22:
977 case R_SPARC_TLS_GD_LO10:
252b5132 978 /* This symbol requires a global offset table entry. */
b9734f35
JJ		 979 {
980 int tls_type, old_tls_type;
252b5132 981
b9734f35
JJ		 982 switch (r_type)
983 {
984 default:
985 case R_SPARC_GOT10:
986 case R_SPARC_GOT13:
987 case R_SPARC_GOT22:
988 tls_type = GOT_NORMAL;
989 break;
990 case R_SPARC_TLS_GD_HI22:
991 case R_SPARC_TLS_GD_LO10:
992 tls_type = GOT_TLS_GD;
993 break;
994 case R_SPARC_TLS_IE_HI22:
995 case R_SPARC_TLS_IE_LO10:
996 tls_type = GOT_TLS_IE;
997 break;
998 }
252b5132 999
b9734f35
JJ		 1000 if (h != NULL)
1001 {
1002 h->got.refcount += 1;
1003 old_tls_type = elf32_sparc_hash_entry(h)->tls_type;
1004 }
1005 else
1006 {
1007 bfd_signed_vma *local_got_refcounts;
252b5132 1008
b9734f35
JJ		 1009 /* This is a global offset table entry for a local symbol. */
1010 local_got_refcounts = elf_local_got_refcounts (abfd);
1011 if (local_got_refcounts == NULL)
1012 {
1013 bfd_size_type size;
252b5132 1014
b9734f35
JJ		 1015 size = symtab_hdr->sh_info;
1016 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1017 local_got_refcounts = ((bfd_signed_vma *)
1018 bfd_zalloc (abfd, size));
1019 if (local_got_refcounts == NULL)
1020 return FALSE;
1021 elf_local_got_refcounts (abfd) = local_got_refcounts;
1022 elf32_sparc_local_got_tls_type (abfd)
1023 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1024 }
1025 local_got_refcounts[r_symndx] += 1;
1026 old_tls_type = elf32_sparc_local_got_tls_type (abfd) [r_symndx];
1027 }
252b5132 1028
b9734f35
JJ		 1029 /* If a TLS symbol is accessed using IE at least once,
1030 there is no point to use dynamic model for it. */
1031 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1032 && (old_tls_type != GOT_TLS_GD
1033 || tls_type != GOT_TLS_IE))
1034 {
1035 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1036 tls_type = old_tls_type;
1037 else
1038 {
1039 (*_bfd_error_handler)
1040 (_("%s: `%s' accessed both as normal and thread local symbol"),
1041 bfd_archive_filename (abfd),
1042 h ? h->root.root.string : "<local>");
b34976b6 1043 return FALSE;
b9734f35
JJ		 1044 }
1045 }
252b5132 1046
b9734f35
JJ		 1047 if (old_tls_type != tls_type)
1048 {
1049 if (h != NULL)
1050 elf32_sparc_hash_entry (h)->tls_type = tls_type;
1051 else
1052 elf32_sparc_local_got_tls_type (abfd) [r_symndx] = tls_type;
1053 }
1054 }
252b5132 1055
2293c499
AM		 1056 if (htab->sgot == NULL)
1057 {
1058 if (htab->elf.dynobj == NULL)
1059 htab->elf.dynobj = abfd;
1060 if (!create_got_section (htab->elf.dynobj, info))
1061 return FALSE;
1062 }
b9734f35 1063 break;
252b5132 1064
b9734f35
JJ		 1065 case R_SPARC_TLS_GD_CALL:
1066 case R_SPARC_TLS_LDM_CALL:
1067 if (info->shared)
1068 {
1069 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1070 __tls_get_addr. */
1071 struct bfd_link_hash_entry *bh = NULL;
1072 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1073 "__tls_get_addr", 0,
1074 bfd_und_section_ptr, 0,
1075 NULL, FALSE, FALSE,
1076 &bh))
1077 return FALSE;
1078 h = (struct elf_link_hash_entry *) bh;
252b5132 1079 }
b9734f35
JJ		 1080 else
1081 break;
1082 /* Fall through */
252b5132 1083
bd5e6e7e 1084 case R_SPARC_PLT32:
252b5132
RH		 1085 case R_SPARC_WPLT30:
1086 /* This symbol requires a procedure linkage table entry. We
26e41594
AM		 1087 actually build the entry in adjust_dynamic_symbol,
1088 because this might be a case of linking PIC code without
1089 linking in any dynamic objects, in which case we don't
1090 need to generate a procedure linkage table after all. */
252b5132
RH		 1091
1092 if (h == NULL)
1093 {
1094 /* The Solaris native assembler will generate a WPLT30
26e41594
AM		 1095 reloc for a local symbol if you assemble a call from
1096 one section to another when using -K pic. We treat
1097 it as WDISP30. */
b9734f35 1098 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
bd5e6e7e 1099 goto r_sparc_plt32;
252b5132
RH		 1100 break;
1101 }
1102
252b5132
RH		 1103 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
1104
b9734f35 1105 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
bd5e6e7e 1106 goto r_sparc_plt32;
b9734f35 1107 h->plt.refcount += 1;
252b5132
RH		 1108 break;
1109
1110 case R_SPARC_PC10:
1111 case R_SPARC_PC22:
7843f00e
ILT		 1112 if (h != NULL)
1113 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
1114
252b5132
RH		 1115 if (h != NULL
1116 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1117 break;
1118 /* Fall through. */
b9734f35 1119
252b5132
RH		 1120 case R_SPARC_DISP8:
1121 case R_SPARC_DISP16:
1122 case R_SPARC_DISP32:
1123 case R_SPARC_WDISP30:
1124 case R_SPARC_WDISP22:
1125 case R_SPARC_WDISP19:
1126 case R_SPARC_WDISP16:
252b5132
RH		 1127 case R_SPARC_8:
1128 case R_SPARC_16:
1129 case R_SPARC_32:
1130 case R_SPARC_HI22:
1131 case R_SPARC_22:
1132 case R_SPARC_13:
1133 case R_SPARC_LO10:
0f2712ed 1134 case R_SPARC_UA16:
252b5132 1135 case R_SPARC_UA32:
7843f00e
ILT		 1136 if (h != NULL)
1137 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
1138
bd5e6e7e 1139 r_sparc_plt32:
b9734f35
JJ		 1140 if (h != NULL && !info->shared)
1141 {
1142 /* We may need a .plt entry if the function this reloc
1143 refers to is in a shared lib. */
1144 h->plt.refcount += 1;
1145 }
1146
1147 /* If we are creating a shared library, and this is a reloc
1148 against a global symbol, or a non PC relative reloc
1149 against a local symbol, then we need to copy the reloc
1150 into the shared library. However, if we are linking with
1151 -Bsymbolic, we do not need to copy a reloc against a
1152 global symbol which is defined in an object we are
1153 including in the link (i.e., DEF_REGULAR is set). At
1154 this point we have not seen all the input files, so it is
1155 possible that DEF_REGULAR is not set now but will be set
1156 later (it is never cleared). In case of a weak definition,
1157 DEF_REGULAR may be cleared later by a strong definition in
1158 a shared library. We account for that possibility below by
1159 storing information in the relocs_copied field of the hash
1160 table entry. A similar situation occurs when creating
1161 shared libraries and symbol visibility changes render the
1162 symbol local.
1163
1164 If on the other hand, we are creating an executable, we
1165 may need to keep relocations for symbols satisfied by a
1166 dynamic library if we manage to avoid copy relocs for the
1167 symbol. */
1168 if ((info->shared
1169 && (sec->flags & SEC_ALLOC) != 0
1170 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1171 || (h != NULL
1172 && (! info->symbolic
1173 || h->root.type == bfd_link_hash_defweak
1174 || (h->elf_link_hash_flags
1175 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
1176 || (!info->shared
1177 && (sec->flags & SEC_ALLOC) != 0
1178 && h != NULL
1179 && (h->root.type == bfd_link_hash_defweak
1180 || (h->elf_link_hash_flags
1181 & ELF_LINK_HASH_DEF_REGULAR) == 0)))
252b5132 1182 {
b9734f35
JJ		 1183 struct elf32_sparc_dyn_relocs *p;
1184 struct elf32_sparc_dyn_relocs **head;
1185
252b5132 1186 /* When creating a shared object, we must copy these
26e41594
AM		 1187 relocs into the output file. We create a reloc
1188 section in dynobj and make room for the reloc. */
252b5132
RH		 1189 if (sreloc == NULL)
1190 {
1191 const char *name;
b9734f35 1192 bfd *dynobj;
252b5132
RH		 1193
1194 name = (bfd_elf_string_from_elf_section
1195 (abfd,
1196 elf_elfheader (abfd)->e_shstrndx,
1197 elf_section_data (sec)->rel_hdr.sh_name));
1198 if (name == NULL)
b34976b6 1199 return FALSE;
252b5132
RH		 1200
1201 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
1202 && strcmp (bfd_get_section_name (abfd, sec),
1203 name + 5) == 0);
1204
b9734f35
JJ		 1205 if (htab->elf.dynobj == NULL)
1206 htab->elf.dynobj = abfd;
1207 dynobj = htab->elf.dynobj;
1208
252b5132
RH		 1209 sreloc = bfd_get_section_by_name (dynobj, name);
1210 if (sreloc == NULL)
1211 {
1212 flagword flags;
1213
1214 sreloc = bfd_make_section (dynobj, name);
1215 flags = (SEC_HAS_CONTENTS | SEC_READONLY
1216 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1217 if ((sec->flags & SEC_ALLOC) != 0)
1218 flags |= SEC_ALLOC | SEC_LOAD;
1219 if (sreloc == NULL
1220 || ! bfd_set_section_flags (dynobj, sreloc, flags)
1221 || ! bfd_set_section_alignment (dynobj, sreloc, 2))
b34976b6 1222 return FALSE;
252b5132 1223 }
b9734f35 1224 elf_section_data (sec)->sreloc = sreloc;
252b5132
RH		 1225 }
1226
b9734f35
JJ		 1227 /* If this is a global symbol, we count the number of
1228 relocations we need for this symbol. */
1229 if (h != NULL)
1230 head = &((struct elf32_sparc_link_hash_entry *) h)->dyn_relocs;
1231 else
1232 {
1233 /* Track dynamic relocs needed for local syms too.
1234 We really need local syms available to do this
1235 easily. Oh well. */
1236
1237 asection *s;
1238 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
1239 sec, r_symndx);
1240 if (s == NULL)
1241 return FALSE;
1242
1243 head = ((struct elf32_sparc_dyn_relocs **)
1244 &elf_section_data (s)->local_dynrel);
1245 }
1246
1247 p = *head;
1248 if (p == NULL || p->sec != sec)
1249 {
1250 bfd_size_type amt = sizeof *p;
1251 p = ((struct elf32_sparc_dyn_relocs *)
1252 bfd_alloc (htab->elf.dynobj, amt));
1253 if (p == NULL)
1254 return FALSE;
1255 p->next = *head;
1256 *head = p;
1257 p->sec = sec;
1258 p->count = 0;
1259 p->pc_count = 0;
1260 }
1261
1262 p->count += 1;
1263 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1264 p->pc_count += 1;
252b5132
RH		 1265 }
1266
1267 break;
1268
26e41594 1269 case R_SPARC_GNU_VTINHERIT:
c152c796 1270 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
26e41594
AM		 1271 return FALSE;
1272 break;
252b5132 1273
26e41594 1274 case R_SPARC_GNU_VTENTRY:
c152c796 1275 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
26e41594
AM		 1276 return FALSE;
1277 break;
252b5132
RH		 1278
1279 default:
1280 break;
1281 }
1282 }
1283
b34976b6 1284 return TRUE;
252b5132
RH		 1285}
1286
1287static asection *
1e2f5b6e
AM		 1288elf32_sparc_gc_mark_hook (sec, info, rel, h, sym)
1289 asection *sec;
5f771d47 1290 struct bfd_link_info *info ATTRIBUTE_UNUSED;
252b5132
RH		 1291 Elf_Internal_Rela *rel;
1292 struct elf_link_hash_entry *h;
1293 Elf_Internal_Sym *sym;
1294{
252b5132
RH		 1295 if (h != NULL)
1296 {
1297 switch (ELF32_R_TYPE (rel->r_info))
1298 {
1299 case R_SPARC_GNU_VTINHERIT:
1300 case R_SPARC_GNU_VTENTRY:
26e41594 1301 break;
252b5132
RH		 1302
1303 default:
26e41594
AM		 1304 switch (h->root.type)
1305 {
1306 case bfd_link_hash_defined:
1307 case bfd_link_hash_defweak:
1308 return h->root.u.def.section;
252b5132 1309
26e41594
AM		 1310 case bfd_link_hash_common:
1311 return h->root.u.c.p->section;
e049a0de
ILT		 1312
1313 default:
1314 break;
26e41594 1315 }
252b5132
RH		 1316 }
1317 }
1318 else
1e2f5b6e 1319 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
252b5132
RH		 1320
1321 return NULL;
1322}
1323
1324/* Update the got entry reference counts for the section being removed. */
b34976b6 1325static bfd_boolean
252b5132
RH		 1326elf32_sparc_gc_sweep_hook (abfd, info, sec, relocs)
1327 bfd *abfd;
5f771d47 1328 struct bfd_link_info *info ATTRIBUTE_UNUSED;
252b5132
RH		 1329 asection *sec;
1330 const Elf_Internal_Rela *relocs;
1331{
252b5132
RH		 1332 Elf_Internal_Shdr *symtab_hdr;
1333 struct elf_link_hash_entry **sym_hashes;
1334 bfd_signed_vma *local_got_refcounts;
1335 const Elf_Internal_Rela *rel, *relend;
26e41594
AM		 1336
1337 elf_section_data (sec)->local_dynrel = NULL;
252b5132
RH		 1338
1339 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1340 sym_hashes = elf_sym_hashes (abfd);
1341 local_got_refcounts = elf_local_got_refcounts (abfd);
1342
1343 relend = relocs + sec->reloc_count;
1344 for (rel = relocs; rel < relend; rel++)
26e41594
AM		 1345 {
1346 unsigned long r_symndx;
1347 unsigned int r_type;
1348 struct elf_link_hash_entry *h = NULL;
b9734f35 1349
26e41594
AM		 1350 r_symndx = ELF32_R_SYM (rel->r_info);
1351 if (r_symndx >= symtab_hdr->sh_info)
1352 {
1353 struct elf32_sparc_link_hash_entry *eh;
1354 struct elf32_sparc_dyn_relocs **pp;
1355 struct elf32_sparc_dyn_relocs *p;
b9734f35 1356
26e41594
AM		 1357 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1358 eh = (struct elf32_sparc_link_hash_entry *) h;
1359 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1360 if (p->sec == sec)
1361 {
1362 /* Everything must go for SEC. */
1363 *pp = p->next;
1364 break;
1365 }
1366 }
b9734f35 1367
26e41594
AM		 1368 r_type = ELF32_R_TYPE (rel->r_info);
1369 r_type = elf32_sparc_tls_transition (info, abfd, r_type, h != NULL);
1370 switch (r_type)
1371 {
1372 case R_SPARC_TLS_LDM_HI22:
1373 case R_SPARC_TLS_LDM_LO10:
1374 if (elf32_sparc_hash_table (info)->tls_ldm_got.refcount > 0)
1375 elf32_sparc_hash_table (info)->tls_ldm_got.refcount -= 1;
1376 break;
b9734f35 1377
26e41594
AM		 1378 case R_SPARC_TLS_GD_HI22:
1379 case R_SPARC_TLS_GD_LO10:
1380 case R_SPARC_TLS_IE_HI22:
1381 case R_SPARC_TLS_IE_LO10:
1382 case R_SPARC_GOT10:
1383 case R_SPARC_GOT13:
1384 case R_SPARC_GOT22:
1385 if (h != NULL)
1386 {
1387 if (h->got.refcount > 0)
1388 h->got.refcount--;
1389 }
1390 else
1391 {
1392 if (local_got_refcounts[r_symndx] > 0)
1393 local_got_refcounts[r_symndx]--;
1394 }
1395 break;
b9734f35 1396
26e41594
AM		 1397 case R_SPARC_PC10:
1398 case R_SPARC_PC22:
1399 if (h != NULL
1400 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1401 break;
1402 /* Fall through. */
b9734f35 1403
26e41594
AM		 1404 case R_SPARC_DISP8:
1405 case R_SPARC_DISP16:
1406 case R_SPARC_DISP32:
1407 case R_SPARC_WDISP30:
1408 case R_SPARC_WDISP22:
1409 case R_SPARC_WDISP19:
1410 case R_SPARC_WDISP16:
1411 case R_SPARC_8:
1412 case R_SPARC_16:
1413 case R_SPARC_32:
1414 case R_SPARC_HI22:
1415 case R_SPARC_22:
1416 case R_SPARC_13:
1417 case R_SPARC_LO10:
1418 case R_SPARC_UA16:
1419 case R_SPARC_UA32:
1420 case R_SPARC_PLT32:
1421 if (info->shared)
1422 break;
1423 /* Fall through. */
b9734f35 1424
26e41594
AM		 1425 case R_SPARC_WPLT30:
1426 if (h != NULL)
1427 {
1428 if (h->plt.refcount > 0)
1429 h->plt.refcount--;
1430 }
1431 break;
252b5132 1432
26e41594
AM		 1433 default:
1434 break;
1435 }
1436 }
252b5132 1437
b34976b6 1438 return TRUE;
252b5132
RH		 1439}
1440
1441/* Adjust a symbol defined by a dynamic object and referenced by a
1442 regular object. The current definition is in some section of the
1443 dynamic object, but we're not including those sections. We have to
1444 change the definition to something the rest of the link can
1445 understand. */
1446
b34976b6 1447static bfd_boolean
252b5132
RH		 1448elf32_sparc_adjust_dynamic_symbol (info, h)
1449 struct bfd_link_info *info;
1450 struct elf_link_hash_entry *h;
1451{
b9734f35
JJ		 1452 struct elf32_sparc_link_hash_table *htab;
1453 struct elf32_sparc_link_hash_entry * eh;
1454 struct elf32_sparc_dyn_relocs *p;
252b5132
RH		 1455 asection *s;
1456 unsigned int power_of_two;
1457
b9734f35 1458 htab = elf32_sparc_hash_table (info);
252b5132
RH		 1459
1460 /* Make sure we know what is going on here. */
b9734f35 1461 BFD_ASSERT (htab->elf.dynobj != NULL
252b5132
RH		 1462 && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
1463 || h->weakdef != NULL
1464 || ((h->elf_link_hash_flags
1465 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
1466 && (h->elf_link_hash_flags
1467 & ELF_LINK_HASH_REF_REGULAR) != 0
1468 && (h->elf_link_hash_flags
1469 & ELF_LINK_HASH_DEF_REGULAR) == 0)));
1470
1471 /* If this is a function, put it in the procedure linkage table. We
1472 will fill in the contents of the procedure linkage table later
1473 (although we could actually do it here). The STT_NOTYPE
1474 condition is a hack specifically for the Oracle libraries
1475 delivered for Solaris; for some inexplicable reason, they define
1476 some of their functions as STT_NOTYPE when they really should be
1477 STT_FUNC. */
1478 if (h->type == STT_FUNC
1479 || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0
1480 || (h->type == STT_NOTYPE
1481 && (h->root.type == bfd_link_hash_defined
1482 || h->root.type == bfd_link_hash_defweak)
1483 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1484 {
b9734f35
JJ		 1485 if (h->plt.refcount <= 0
1486 || (! info->shared
1487 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) == 0
1488 && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_DYNAMIC) == 0
1489 && h->root.type != bfd_link_hash_undefweak
1490 && h->root.type != bfd_link_hash_undefined))
252b5132
RH		 1491 {
1492 /* This case can occur if we saw a WPLT30 reloc in an input
b9734f35
JJ		 1493 file, but the symbol was never referred to by a dynamic
1494 object, or if all references were garbage collected. In
1495 such a case, we don't actually need to build a procedure
1496 linkage table, and we can just do a WDISP30 reloc instead. */
1497 h->plt.offset = (bfd_vma) -1;
252b5132 1498 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
252b5132
RH		 1499 }
1500
b34976b6 1501 return TRUE;
252b5132 1502 }
b9734f35
JJ		 1503 else
1504 h->plt.offset = (bfd_vma) -1;
252b5132
RH		 1505
1506 /* If this is a weak symbol, and there is a real definition, the
1507 processor independent code will have arranged for us to see the
1508 real definition first, and we can just use the same value. */
1509 if (h->weakdef != NULL)
1510 {
1511 BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
1512 || h->weakdef->root.type == bfd_link_hash_defweak);
1513 h->root.u.def.section = h->weakdef->root.u.def.section;
1514 h->root.u.def.value = h->weakdef->root.u.def.value;
b34976b6 1515 return TRUE;
252b5132
RH		 1516 }
1517
1518 /* This is a reference to a symbol defined by a dynamic object which
1519 is not a function. */
1520
1521 /* If we are creating a shared library, we must presume that the
1522 only references to the symbol are via the global offset table.
1523 For such cases we need not do anything here; the relocations will
1524 be handled correctly by relocate_section. */
1525 if (info->shared)
b34976b6 1526 return TRUE;
252b5132 1527
7843f00e
ILT		 1528 /* If there are no references to this symbol that do not use the
1529 GOT, we don't need to generate a copy reloc. */
1530 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
b34976b6 1531 return TRUE;
7843f00e 1532
b9734f35
JJ		 1533 eh = (struct elf32_sparc_link_hash_entry *) h;
1534 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1535 {
1536 s = p->sec->output_section;
1537 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1538 break;
1539 }
1540
1541 /* If we didn't find any dynamic relocs in read-only sections, then
1542 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1543 if (p == NULL)
1544 {
1545 h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
1546 return TRUE;
1547 }
1548
252b5132
RH		 1549 /* We must allocate the symbol in our .dynbss section, which will
1550 become part of the .bss section of the executable. There will be
1551 an entry for this symbol in the .dynsym section. The dynamic
1552 object will contain position independent code, so all references
1553 from the dynamic object to this symbol will go through the global
1554 offset table. The dynamic linker will use the .dynsym entry to
1555 determine the address it must put in the global offset table, so
1556 both the dynamic object and the regular object will refer to the
1557 same memory location for the variable. */
1558
b9734f35
JJ		 1559 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
1560 to copy the initial value out of the dynamic object and into the
1561 runtime process image. We need to remember the offset into the
1562 .rel.bss section we are going to use. */
1563 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
1564 {
1565 htab->srelbss->_raw_size += sizeof (Elf32_External_Rela);
1566 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
1567 }
1568
1569 /* We need to figure out the alignment required for this symbol. I
1570 have no idea how ELF linkers handle this. */
1571 power_of_two = bfd_log2 (h->size);
1572 if (power_of_two > 3)
1573 power_of_two = 3;
1574
1575 /* Apply the required alignment. */
1576 s = htab->sdynbss;
1577 s->_raw_size = BFD_ALIGN (s->_raw_size,
1578 (bfd_size_type) (1 << power_of_two));
1579 if (power_of_two > bfd_get_section_alignment (dynobj, s))
1580 {
1581 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
1582 return FALSE;
1583 }
1584
1585 /* Define the symbol as being at this point in the section. */
1586 h->root.u.def.section = s;
1587 h->root.u.def.value = s->_raw_size;
1588
1589 /* Increment the section size to make room for the symbol. */
1590 s->_raw_size += h->size;
1591
1592 return TRUE;
1593}
1594
b9734f35
JJ		 1595/* Allocate space in .plt, .got and associated reloc sections for
1596 dynamic relocs. */
1597
1598static bfd_boolean
1599allocate_dynrelocs (h, inf)
1600 struct elf_link_hash_entry *h;
1601 PTR inf;
1602{
1603 struct bfd_link_info *info;
1604 struct elf32_sparc_link_hash_table *htab;
1605 struct elf32_sparc_link_hash_entry *eh;
1606 struct elf32_sparc_dyn_relocs *p;
1607
1608 if (h->root.type == bfd_link_hash_indirect)
1609 return TRUE;
1610
1611 if (h->root.type == bfd_link_hash_warning)
1612 /* When warning symbols are created, they **replace** the "real"
1613 entry in the hash table, thus we never get to see the real
1614 symbol in a hash traversal. So look at it now. */
1615 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1616
1617 info = (struct bfd_link_info *) inf;
1618 htab = elf32_sparc_hash_table (info);
1619
1620 if (htab->elf.dynamic_sections_created
1621 && h->plt.refcount > 0)
1622 {
1623 /* Make sure this symbol is output as a dynamic symbol.
1624 Undefined weak syms won't yet be marked as dynamic. */
1625 if (h->dynindx == -1
1626 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1627 {
c152c796 1628 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b9734f35
JJ		 1629 return FALSE;
1630 }
1631
c152c796 1632 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
b9734f35
JJ		 1633 {
1634 asection *s = htab->splt;
1635
1636 /* The first four entries in .plt are reserved. */
1637 if (s->_raw_size == 0)
1638 s->_raw_size = 4 * PLT_ENTRY_SIZE;
26e41594 1639
b9734f35
JJ		 1640 /* The procedure linkage table has a maximum size. */
1641 if (s->_raw_size >= 0x400000)
1642 {
1643 bfd_set_error (bfd_error_bad_value);
1644 return FALSE;
1645 }
1646
1647 h->plt.offset = s->_raw_size;
1648
1649 /* If this symbol is not defined in a regular file, and we are
1650 not generating a shared library, then set the symbol to this
1651 location in the .plt. This is required to make function
1652 pointers compare as equal between the normal executable and
1653 the shared library. */
1654 if (! info->shared
1655 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1656 {
1657 h->root.u.def.section = s;
1658 h->root.u.def.value = h->plt.offset;
1659 }
1660
1661 /* Make room for this entry. */
1662 s->_raw_size += PLT_ENTRY_SIZE;
1663
1664 /* We also need to make an entry in the .rela.plt section. */
1665 htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
1666 }
1667 else
1668 {
1669 h->plt.offset = (bfd_vma) -1;
1670 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
1671 }
1672 }
1673 else
1674 {
1675 h->plt.offset = (bfd_vma) -1;
1676 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
1677 }
1678
1679 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
1680 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
1681 if (h->got.refcount > 0
1682 && !info->shared
1683 && h->dynindx == -1
1684 && elf32_sparc_hash_entry(h)->tls_type == GOT_TLS_IE)
1685 h->got.offset = (bfd_vma) -1;
1686 else if (h->got.refcount > 0)
1687 {
1688 asection *s;
1689 bfd_boolean dyn;
1690 int tls_type = elf32_sparc_hash_entry(h)->tls_type;
1691
1692 /* Make sure this symbol is output as a dynamic symbol.
1693 Undefined weak syms won't yet be marked as dynamic. */
1694 if (h->dynindx == -1
1695 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1696 {
c152c796 1697 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b9734f35
JJ		 1698 return FALSE;
1699 }
1700
1701 s = htab->sgot;
1702 h->got.offset = s->_raw_size;
1703 s->_raw_size += 4;
1704 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
1705 if (tls_type == GOT_TLS_GD)
1706 s->_raw_size += 4;
1707 dyn = htab->elf.dynamic_sections_created;
1708 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
1709 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
1710 global. */
1711 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1712 || tls_type == GOT_TLS_IE)
1713 htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
1714 else if (tls_type == GOT_TLS_GD)
1715 htab->srelgot->_raw_size += 2 * sizeof (Elf32_External_Rela);
c152c796 1716 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
b9734f35
JJ		 1717 htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
1718 }
1719 else
1720 h->got.offset = (bfd_vma) -1;
1721
1722 eh = (struct elf32_sparc_link_hash_entry *) h;
1723 if (eh->dyn_relocs == NULL)
1724 return TRUE;
1725
1726 /* In the shared -Bsymbolic case, discard space allocated for
1727 dynamic pc-relative relocs against symbols which turn out to be
1728 defined in regular objects. For the normal shared case, discard
1729 space for pc-relative relocs that have become local due to symbol
1730 visibility changes. */
1731
1732 if (info->shared)
1733 {
1734 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
1735 && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
1736 || info->symbolic))
1737 {
1738 struct elf32_sparc_dyn_relocs **pp;
1739
1740 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
1741 {
1742 p->count -= p->pc_count;
1743 p->pc_count = 0;
1744 if (p->count == 0)
1745 *pp = p->next;
1746 else
1747 pp = &p->next;
1748 }
1749 }
1750 }
1751 else
1752 {
1753 /* For the non-shared case, discard space for relocs against
1754 symbols which turn out to need copy relocs or are not
1755 dynamic. */
1756
1757 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
1758 && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
1759 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1760 || (htab->elf.dynamic_sections_created
1761 && (h->root.type == bfd_link_hash_undefweak
1762 || h->root.type == bfd_link_hash_undefined))))
1763 {
1764 /* Make sure this symbol is output as a dynamic symbol.
1765 Undefined weak syms won't yet be marked as dynamic. */
1766 if (h->dynindx == -1
1767 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1768 {
c152c796 1769 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b9734f35
JJ		 1770 return FALSE;
1771 }
1772
1773 /* If that succeeded, we know we'll be keeping all the
1774 relocs. */
1775 if (h->dynindx != -1)
1776 goto keep;
1777 }
252b5132 1778
b9734f35 1779 eh->dyn_relocs = NULL;
252b5132 1780
b9734f35 1781 keep: ;
252b5132
RH		 1782 }
1783
b9734f35
JJ		 1784 /* Finally, allocate space. */
1785 for (p = eh->dyn_relocs; p != NULL; p = p->next)
252b5132 1786 {
b9734f35
JJ		 1787 asection *sreloc = elf_section_data (p->sec)->sreloc;
1788 sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
252b5132
RH		 1789 }
1790
b9734f35
JJ		 1791 return TRUE;
1792}
252b5132 1793
b9734f35 1794/* Find any dynamic relocs that apply to read-only sections. */
252b5132 1795
b9734f35
JJ		 1796static bfd_boolean
1797readonly_dynrelocs (h, inf)
1798 struct elf_link_hash_entry *h;
1799 PTR inf;
1800{
1801 struct elf32_sparc_link_hash_entry *eh;
1802 struct elf32_sparc_dyn_relocs *p;
1803
1804 if (h->root.type == bfd_link_hash_warning)
1805 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1806
1807 eh = (struct elf32_sparc_link_hash_entry *) h;
1808 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1809 {
1810 asection *s = p->sec->output_section;
1811
1812 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1813 {
1814 struct bfd_link_info *info = (struct bfd_link_info *) inf;
1815
1816 info->flags |= DF_TEXTREL;
1817
1818 /* Not an error, just cut short the traversal. */
1819 return FALSE;
1820 }
1821 }
b34976b6 1822 return TRUE;
252b5132
RH		 1823}
1824
1825/* Set the sizes of the dynamic sections. */
1826
b34976b6 1827static bfd_boolean
252b5132 1828elf32_sparc_size_dynamic_sections (output_bfd, info)
db6751f2 1829 bfd *output_bfd ATTRIBUTE_UNUSED;
252b5132
RH		 1830 struct bfd_link_info *info;
1831{
b9734f35 1832 struct elf32_sparc_link_hash_table *htab;
252b5132
RH		 1833 bfd *dynobj;
1834 asection *s;
b9734f35 1835 bfd *ibfd;
252b5132 1836
b9734f35
JJ		 1837 htab = elf32_sparc_hash_table (info);
1838 dynobj = htab->elf.dynobj;
252b5132
RH		 1839 BFD_ASSERT (dynobj != NULL);
1840
1841 if (elf_hash_table (info)->dynamic_sections_created)
1842 {
1843 /* Set the contents of the .interp section to the interpreter. */
36af4a4e 1844 if (info->executable)
252b5132
RH		 1845 {
1846 s = bfd_get_section_by_name (dynobj, ".interp");
1847 BFD_ASSERT (s != NULL);
1848 s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
1849 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
1850 }
b9734f35 1851 }
252b5132 1852
b9734f35
JJ		 1853 /* Set up .got offsets for local syms, and space for local dynamic
1854 relocs. */
1855 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
1856 {
1857 bfd_signed_vma *local_got;
1858 bfd_signed_vma *end_local_got;
1859 char *local_tls_type;
1860 bfd_size_type locsymcount;
1861 Elf_Internal_Shdr *symtab_hdr;
1862 asection *srel;
1863
1864 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
1865 continue;
1866
1867 for (s = ibfd->sections; s != NULL; s = s->next)
1868 {
1869 struct elf32_sparc_dyn_relocs *p;
1870
1871 for (p = *((struct elf32_sparc_dyn_relocs **)
1872 &elf_section_data (s)->local_dynrel);
1873 p != NULL;
1874 p = p->next)
1875 {
1876 if (!bfd_is_abs_section (p->sec)
1877 && bfd_is_abs_section (p->sec->output_section))
1878 {
1879 /* Input section has been discarded, either because
1880 it is a copy of a linkonce section or due to
1881 linker script /DISCARD/, so we'll be discarding
1882 the relocs too. */
1883 }
1884 else if (p->count != 0)
1885 {
1886 srel = elf_section_data (p->sec)->sreloc;
1887 srel->_raw_size += p->count * sizeof (Elf32_External_Rela);
1888 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
1889 info->flags |= DF_TEXTREL;
1890 }
1891 }
1892 }
1893
1894 local_got = elf_local_got_refcounts (ibfd);
1895 if (!local_got)
1896 continue;
1897
1898 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
1899 locsymcount = symtab_hdr->sh_info;
1900 end_local_got = local_got + locsymcount;
1901 local_tls_type = elf32_sparc_local_got_tls_type (ibfd);
1902 s = htab->sgot;
1903 srel = htab->srelgot;
1904 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
1905 {
1906 if (*local_got > 0)
1907 {
1908 *local_got = s->_raw_size;
1909 s->_raw_size += 4;
1910 if (*local_tls_type == GOT_TLS_GD)
1911 s->_raw_size += 4;
1912 if (info->shared
1913 || *local_tls_type == GOT_TLS_GD
1914 || *local_tls_type == GOT_TLS_IE)
1915 srel->_raw_size += sizeof (Elf32_External_Rela);
1916 }
1917 else
1918 *local_got = (bfd_vma) -1;
1919 }
1920 }
1921
1922 if (htab->tls_ldm_got.refcount > 0)
1923 {
1924 /* Allocate 2 got entries and 1 dynamic reloc for
1925 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
1926 htab->tls_ldm_got.offset = htab->sgot->_raw_size;
1927 htab->sgot->_raw_size += 8;
1928 htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
252b5132
RH		 1929 }
1930 else
b9734f35
JJ		 1931 htab->tls_ldm_got.offset = -1;
1932
1933 /* Allocate global sym .plt and .got entries, and space for global
1934 sym dynamic relocs. */
1935 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
1936
1937 if (elf_hash_table (info)->dynamic_sections_created)
252b5132 1938 {
b9734f35
JJ		 1939 /* Make space for the trailing nop in .plt. */
1940 if (htab->splt->_raw_size > 0)
1941 htab->splt->_raw_size += 4;
1942
1943 /* If the .got section is more than 0x1000 bytes, we add
1944 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
1945 bit relocations have a greater chance of working. */
1946 if (htab->sgot->_raw_size >= 0x1000
1947 && elf_hash_table (info)->hgot->root.u.def.value == 0)
1948 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
252b5132
RH		 1949 }
1950
1951 /* The check_relocs and adjust_dynamic_symbol entry points have
1952 determined the sizes of the various dynamic sections. Allocate
1953 memory for them. */
252b5132
RH		 1954 for (s = dynobj->sections; s != NULL; s = s->next)
1955 {
1956 const char *name;
b9734f35 1957 bfd_boolean strip = FALSE;
252b5132
RH		 1958
1959 if ((s->flags & SEC_LINKER_CREATED) == 0)
1960 continue;
1961
1962 /* It's OK to base decisions on the section name, because none
1963 of the dynobj section names depend upon the input files. */
1964 name = bfd_get_section_name (dynobj, s);
1965
252b5132
RH		 1966 if (strncmp (name, ".rela", 5) == 0)
1967 {
1968 if (s->_raw_size == 0)
1969 {
1970 /* If we don't need this section, strip it from the
1971 output file. This is to handle .rela.bss and
1972 .rel.plt. We must create it in
1973 create_dynamic_sections, because it must be created
1974 before the linker maps input sections to output
1975 sections. The linker does that before
1976 adjust_dynamic_symbol is called, and it is that
1977 function which decides whether anything needs to go
1978 into these sections. */
b34976b6 1979 strip = TRUE;
252b5132
RH		 1980 }
1981 else
1982 {
252b5132
RH		 1983 /* We use the reloc_count field as a counter if we need
1984 to copy relocs into the output file. */
1985 s->reloc_count = 0;
1986 }
1987 }
b9734f35 1988 else if (s != htab->splt && s != htab->sgot)
252b5132
RH		 1989 {
1990 /* It's not one of our sections, so don't allocate space. */
1991 continue;
1992 }
1993
1994 if (strip)
1995 {
7f8d5fc9 1996 _bfd_strip_section_from_output (info, s);
252b5132
RH		 1997 continue;
1998 }
1999
2000 /* Allocate memory for the section contents. */
7a9af8c4
NC		 2001 /* FIXME: This should be a call to bfd_alloc not bfd_zalloc.
2002 Unused entries should be reclaimed before the section's contents
2003 are written out, but at the moment this does not happen. Thus in
2004 order to prevent writing out garbage, we initialise the section's
2005 contents to zero. */
2006 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
252b5132 2007 if (s->contents == NULL && s->_raw_size != 0)
b34976b6 2008 return FALSE;
252b5132
RH		 2009 }
2010
2011 if (elf_hash_table (info)->dynamic_sections_created)
2012 {
2013 /* Add some entries to the .dynamic section. We fill in the
2014 values later, in elf32_sparc_finish_dynamic_sections, but we
2015 must add the entries now so that we get the correct size for
2016 the .dynamic section. The DT_DEBUG entry is filled in by the
2017 dynamic linker and used by the debugger. */
dc810e39 2018#define add_dynamic_entry(TAG, VAL) \
5a580b3a 2019 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
dc810e39 2020
36af4a4e 2021 if (info->executable)
252b5132 2022 {
dc810e39 2023 if (!add_dynamic_entry (DT_DEBUG, 0))
b34976b6 2024 return FALSE;
252b5132
RH		 2025 }
2026
b9734f35 2027 if (htab->srelplt->_raw_size != 0)
252b5132 2028 {
dc810e39
AM		 2029 if (!add_dynamic_entry (DT_PLTGOT, 0)
2030 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2031 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2032 || !add_dynamic_entry (DT_JMPREL, 0))
b34976b6 2033 return FALSE;
252b5132
RH		 2034 }
2035
dc810e39
AM		 2036 if (!add_dynamic_entry (DT_RELA, 0)
2037 || !add_dynamic_entry (DT_RELASZ, 0)
2038 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
b34976b6 2039 return FALSE;
252b5132 2040
b9734f35
JJ		 2041 /* If any dynamic relocs apply to a read-only section,
2042 then we need a DT_TEXTREL entry. */
2043 if ((info->flags & DF_TEXTREL) == 0)
2044 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2045 (PTR) info);
2046
db6751f2 2047 if (info->flags & DF_TEXTREL)
252b5132 2048 {
dc810e39 2049 if (!add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 2050 return FALSE;
252b5132
RH		 2051 }
2052 }
dc810e39 2053#undef add_dynamic_entry
252b5132 2054
b34976b6 2055 return TRUE;
252b5132
RH		 2056}
2057
f0abc2a1
AM		 2058struct elf32_sparc_section_data
2059{
2060 struct bfd_elf_section_data elf;
2061 unsigned int do_relax;
2062};
2063
2064#define sec_do_relax(sec) \
68bfbfcc 2065 ((struct elf32_sparc_section_data *) elf_section_data (sec))->do_relax
f0abc2a1
AM		 2066
2067static bfd_boolean
2068elf32_sparc_new_section_hook (abfd, sec)
2069 bfd *abfd;
2070 asection *sec;
2071{
2072 struct elf32_sparc_section_data *sdata;
2073 bfd_size_type amt = sizeof (*sdata);
2074
2075 sdata = (struct elf32_sparc_section_data *) bfd_zalloc (abfd, amt);
2076 if (sdata == NULL)
2077 return FALSE;
2078 sec->used_by_bfd = (PTR) sdata;
2079
2080 return _bfd_elf_new_section_hook (abfd, sec);
2081}
f7775d95 2082
b34976b6 2083static bfd_boolean
f7775d95
JJ		 2084elf32_sparc_relax_section (abfd, section, link_info, again)
2085 bfd *abfd ATTRIBUTE_UNUSED;
2086 asection *section ATTRIBUTE_UNUSED;
2087 struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
b34976b6 2088 bfd_boolean *again;
f7775d95 2089{
b34976b6 2090 *again = FALSE;
f0abc2a1 2091 sec_do_relax (section) = 1;
b34976b6 2092 return TRUE;
f7775d95
JJ		 2093}
2094
b9734f35
JJ		 2095/* Return the base VMA address which should be subtracted from real addresses
2096 when resolving @dtpoff relocation.
2097 This is PT_TLS segment p_vaddr. */
2098
2099static bfd_vma
2100dtpoff_base (info)
2101 struct bfd_link_info *info;
2102{
e1918d23
AM		 2103 /* If tls_sec is NULL, we should have signalled an error already. */
2104 if (elf_hash_table (info)->tls_sec == NULL)
b9734f35 2105 return 0;
e1918d23 2106 return elf_hash_table (info)->tls_sec->vma;
b9734f35
JJ		 2107}
2108
2109/* Return the relocation value for @tpoff relocation
2110 if STT_TLS virtual address is ADDRESS. */
2111
2112static bfd_vma
2113tpoff (info, address)
2114 struct bfd_link_info *info;
2115 bfd_vma address;
2116{
e1918d23 2117 struct elf_link_hash_table *htab = elf_hash_table (info);
b9734f35 2118
e1918d23
AM		 2119 /* If tls_sec is NULL, we should have signalled an error already. */
2120 if (htab->tls_sec == NULL)
b9734f35 2121 return 0;
e1918d23 2122 return address - htab->tls_size - htab->tls_sec->vma;
b9734f35 2123}
e36f7d53 2124
252b5132
RH		 2125/* Relocate a SPARC ELF section. */
2126
b34976b6 2127static bfd_boolean
252b5132
RH		 2128elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
2129 contents, relocs, local_syms, local_sections)
2130 bfd *output_bfd;
2131 struct bfd_link_info *info;
2132 bfd *input_bfd;
2133 asection *input_section;
2134 bfd_byte *contents;
2135 Elf_Internal_Rela *relocs;
2136 Elf_Internal_Sym *local_syms;
2137 asection **local_sections;
2138{
b9734f35 2139 struct elf32_sparc_link_hash_table *htab;
252b5132
RH		 2140 Elf_Internal_Shdr *symtab_hdr;
2141 struct elf_link_hash_entry **sym_hashes;
2142 bfd_vma *local_got_offsets;
2143 bfd_vma got_base;
252b5132
RH		 2144 asection *sreloc;
2145 Elf_Internal_Rela *rel;
2146 Elf_Internal_Rela *relend;
2147
1049f94e 2148 if (info->relocatable)
b34976b6 2149 return TRUE;
f0fe0e16 2150
b9734f35 2151 htab = elf32_sparc_hash_table (info);
252b5132
RH		 2152 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2153 sym_hashes = elf_sym_hashes (input_bfd);
2154 local_got_offsets = elf_local_got_offsets (input_bfd);
2155
2156 if (elf_hash_table (info)->hgot == NULL)
2157 got_base = 0;
2158 else
2159 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2160
b9734f35 2161 sreloc = elf_section_data (input_section)->sreloc;
252b5132
RH		 2162
2163 rel = relocs;
2164 relend = relocs + input_section->reloc_count;
2165 for (; rel < relend; rel++)
2166 {
b9734f35 2167 int r_type, tls_type;
252b5132
RH		 2168 reloc_howto_type *howto;
2169 unsigned long r_symndx;
2170 struct elf_link_hash_entry *h;
2171 Elf_Internal_Sym *sym;
2172 asection *sec;
e36f7d53 2173 bfd_vma relocation, off;
252b5132 2174 bfd_reloc_status_type r;
b34976b6
AM		 2175 bfd_boolean is_plt = FALSE;
2176 bfd_boolean unresolved_reloc;
252b5132
RH		 2177
2178 r_type = ELF32_R_TYPE (rel->r_info);
2179
435b1e90 2180 if (r_type == R_SPARC_GNU_VTINHERIT
26e41594
AM		 2181 || r_type == R_SPARC_GNU_VTENTRY)
2182 continue;
252b5132 2183
60dac299 2184 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
252b5132
RH		 2185 {
2186 bfd_set_error (bfd_error_bad_value);
b34976b6 2187 return FALSE;
252b5132
RH		 2188 }
2189 howto = _bfd_sparc_elf_howto_table + r_type;
2190
252b5132 2191 /* This is a final link. */
f0fe0e16 2192 r_symndx = ELF32_R_SYM (rel->r_info);
252b5132
RH		 2193 h = NULL;
2194 sym = NULL;
2195 sec = NULL;
b34976b6 2196 unresolved_reloc = FALSE;
252b5132
RH		 2197 if (r_symndx < symtab_hdr->sh_info)
2198 {
2199 sym = local_syms + r_symndx;
2200 sec = local_sections[r_symndx];
8517fae7 2201 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
252b5132
RH		 2202 }
2203 else
2204 {
560e09e9 2205 bfd_boolean warned ATTRIBUTE_UNUSED;
e36f7d53 2206
b2a8e766
AM		 2207 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2208 r_symndx, symtab_hdr, sym_hashes,
2209 h, sec, relocation,
2210 unresolved_reloc, warned);
252b5132
RH		 2211 }
2212
2213 switch (r_type)
2214 {
2215 case R_SPARC_GOT10:
2216 case R_SPARC_GOT13:
2217 case R_SPARC_GOT22:
2218 /* Relocation is to the entry for this symbol in the global
26e41594 2219 offset table. */
b9734f35
JJ		 2220 if (htab->sgot == NULL)
2221 abort ();
252b5132
RH		 2222
2223 if (h != NULL)
2224 {
b34976b6 2225 bfd_boolean dyn;
252b5132
RH		 2226
2227 off = h->got.offset;
2228 BFD_ASSERT (off != (bfd_vma) -1);
e36f7d53 2229 dyn = elf_hash_table (info)->dynamic_sections_created;
252b5132 2230
c152c796 2231 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
252b5132 2232 || (info->shared
e36f7d53
RH		 2233 && (info->symbolic
2234 || h->dynindx == -1
2235 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
252b5132
RH		 2236 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
2237 {
2238 /* This is actually a static link, or it is a
26e41594
AM		 2239 -Bsymbolic link and the symbol is defined
2240 locally, or the symbol was forced to be local
2241 because of a version file. We must initialize
2242 this entry in the global offset table. Since the
2243 offset must always be a multiple of 4, we use the
2244 least significant bit to record whether we have
2245 initialized it already.
252b5132
RH		 2246
2247 When doing a dynamic link, we create a .rela.got
2248 relocation entry to initialize the value. This
2249 is done in the finish_dynamic_symbol routine. */
2250 if ((off & 1) != 0)
2251 off &= ~1;
2252 else
2253 {
2254 bfd_put_32 (output_bfd, relocation,
b9734f35 2255 htab->sgot->contents + off);
252b5132
RH		 2256 h->got.offset |= 1;
2257 }
2258 }
e36f7d53 2259 else
b34976b6 2260 unresolved_reloc = FALSE;
252b5132
RH		 2261 }
2262 else
2263 {
252b5132
RH		 2264 BFD_ASSERT (local_got_offsets != NULL
2265 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2266
2267 off = local_got_offsets[r_symndx];
2268
2269 /* The offset must always be a multiple of 4. We use
2270 the least significant bit to record whether we have
2271 already processed this entry. */
2272 if ((off & 1) != 0)
2273 off &= ~1;
2274 else
2275 {
252b5132
RH		 2276
2277 if (info->shared)
2278 {
b34976b6 2279 asection *s;
252b5132 2280 Elf_Internal_Rela outrel;
b34976b6 2281 bfd_byte *loc;
252b5132
RH		 2282
2283 /* We need to generate a R_SPARC_RELATIVE reloc
2284 for the dynamic linker. */
b9734f35 2285 s = htab->srelgot;
b34976b6 2286 BFD_ASSERT (s != NULL);
252b5132 2287
b9734f35
JJ		 2288 outrel.r_offset = (htab->sgot->output_section->vma
2289 + htab->sgot->output_offset
252b5132
RH		 2290 + off);
2291 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
6b3ac709
JJ		 2292 outrel.r_addend = relocation;
2293 relocation = 0;
b34976b6
AM		 2294 loc = s->contents;
2295 loc += s->reloc_count++ * sizeof (Elf32_External_Rela);
2296 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
252b5132
RH		 2297 }
2298
b9734f35
JJ		 2299 bfd_put_32 (output_bfd, relocation,
2300 htab->sgot->contents + off);
252b5132
RH		 2301 local_got_offsets[r_symndx] |= 1;
2302 }
252b5132 2303 }
b9734f35 2304 relocation = htab->sgot->output_offset + off - got_base;
252b5132
RH		 2305 break;
2306
bd5e6e7e
JJ		 2307 case R_SPARC_PLT32:
2308 if (h == NULL || h->plt.offset == (bfd_vma) -1)
2309 {
2310 r_type = R_SPARC_32;
2311 goto r_sparc_plt32;
2312 }
2313 /* Fall through. */
252b5132 2314 case R_SPARC_WPLT30:
b9734f35 2315 r_sparc_wplt30:
252b5132 2316 /* Relocation is to the entry for this symbol in the
26e41594 2317 procedure linkage table. */
252b5132
RH		 2318
2319 /* The Solaris native assembler will generate a WPLT30 reloc
2320 for a local symbol if you assemble a call from one
2321 section to another when using -K pic. We treat it as
2322 WDISP30. */
2323 if (h == NULL)
2324 break;
2325
6de00a78 2326 if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
252b5132
RH		 2327 {
2328 /* We didn't make a PLT entry for this symbol. This
26e41594
AM		 2329 happens when statically linking PIC code, or when
2330 using -Bsymbolic. */
252b5132
RH		 2331 break;
2332 }
2333
b9734f35
JJ		 2334 relocation = (htab->splt->output_section->vma
2335 + htab->splt->output_offset
252b5132 2336 + h->plt.offset);
b34976b6 2337 unresolved_reloc = FALSE;
bd5e6e7e
JJ		 2338 if (r_type == R_SPARC_PLT32)
2339 {
2340 r_type = R_SPARC_32;
b34976b6 2341 is_plt = TRUE;
bd5e6e7e
JJ		 2342 goto r_sparc_plt32;
2343 }
252b5132
RH		 2344 break;
2345
2346 case R_SPARC_PC10:
2347 case R_SPARC_PC22:
2348 if (h != NULL
2349 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2350 break;
2351 /* Fall through. */
2352 case R_SPARC_DISP8:
2353 case R_SPARC_DISP16:
2354 case R_SPARC_DISP32:
2355 case R_SPARC_WDISP30:
2356 case R_SPARC_WDISP22:
2357 case R_SPARC_WDISP19:
2358 case R_SPARC_WDISP16:
252b5132
RH		 2359 case R_SPARC_8:
2360 case R_SPARC_16:
2361 case R_SPARC_32:
2362 case R_SPARC_HI22:
2363 case R_SPARC_22:
2364 case R_SPARC_13:
2365 case R_SPARC_LO10:
0f2712ed 2366 case R_SPARC_UA16:
252b5132 2367 case R_SPARC_UA32:
bd5e6e7e 2368 r_sparc_plt32:
b9734f35
JJ		 2369 /* r_symndx will be zero only for relocs against symbols
2370 from removed linkonce sections, or sections discarded by
2371 a linker script. */
2372 if (r_symndx == 0
2373 || (input_section->flags & SEC_ALLOC) == 0)
2374 break;
2375
2376 if ((info->shared
2377 && (! howto->pc_relative
2378 || (h != NULL
2379 && h->dynindx != -1
2380 && (! info->symbolic
2381 || (h->elf_link_hash_flags
2382 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
2383 || (!info->shared
2384 && h != NULL
2385 && h->dynindx != -1
2386 && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
2387 && (((h->elf_link_hash_flags
2388 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
2389 && (h->elf_link_hash_flags
2390 & ELF_LINK_HASH_DEF_REGULAR) == 0)
2391 || h->root.type == bfd_link_hash_undefweak
2392 || h->root.type == bfd_link_hash_undefined)))
252b5132
RH		 2393 {
2394 Elf_Internal_Rela outrel;
b34976b6
AM		 2395 bfd_byte *loc;
2396 bfd_boolean skip, relocate = FALSE;
252b5132
RH		 2397
2398 /* When generating a shared object, these relocations
26e41594
AM		 2399 are copied into the output file to be resolved at run
2400 time. */
252b5132 2401
b9734f35 2402 BFD_ASSERT (sreloc != NULL);
252b5132 2403
b34976b6 2404 skip = FALSE;
252b5132 2405
c629eae0
JJ		 2406 outrel.r_offset =
2407 _bfd_elf_section_offset (output_bfd, info, input_section,
2408 rel->r_offset);
2409 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 2410 skip = TRUE;
0bb2d96a 2411 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 2412 skip = TRUE, relocate = TRUE;
252b5132
RH		 2413 outrel.r_offset += (input_section->output_section->vma
2414 + input_section->output_offset);
2415
20278fa3
JJ		 2416 /* Optimize unaligned reloc usage now that we know where
2417 it finally resides. */
2418 switch (r_type)
2419 {
2420 case R_SPARC_16:
2421 if (outrel.r_offset & 1)
2422 r_type = R_SPARC_UA16;
2423 break;
2424 case R_SPARC_UA16:
2425 if (!(outrel.r_offset & 1))
2426 r_type = R_SPARC_16;
2427 break;
2428 case R_SPARC_32:
2429 if (outrel.r_offset & 3)
2430 r_type = R_SPARC_UA32;
2431 break;
2432 case R_SPARC_UA32:
2433 if (!(outrel.r_offset & 3))
2434 r_type = R_SPARC_32;
2435 break;
b88a866a
JJ		 2436 case R_SPARC_DISP8:
2437 case R_SPARC_DISP16:
2438 case R_SPARC_DISP32:
2439 /* If the symbol is not dynamic, we should not keep
2440 a dynamic relocation. But an .rela.* slot has been
2441 allocated for it, output R_SPARC_NONE.
2442 FIXME: Add code tracking needed dynamic relocs as
2443 e.g. i386 has. */
2444 if (h->dynindx == -1)
b34976b6 2445 skip = TRUE, relocate = TRUE;
b88a866a 2446 break;
20278fa3
JJ		 2447 }
2448
252b5132
RH		 2449 if (skip)
2450 memset (&outrel, 0, sizeof outrel);
2451 /* h->dynindx may be -1 if the symbol was marked to
26e41594 2452 become local. */
bd5e6e7e 2453 else if (h != NULL && ! is_plt
252b5132
RH		 2454 && ((! info->symbolic && h->dynindx != -1)
2455 || (h->elf_link_hash_flags
2456 & ELF_LINK_HASH_DEF_REGULAR) == 0))
2457 {
2458 BFD_ASSERT (h->dynindx != -1);
2459 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2460 outrel.r_addend = rel->r_addend;
2461 }
2462 else
2463 {
1fbc4a84 2464 if (r_type == R_SPARC_32)
252b5132
RH		 2465 {
2466 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
2467 outrel.r_addend = relocation + rel->r_addend;
2468 }
2469 else
2470 {
2471 long indx;
2472
bd5e6e7e 2473 if (is_plt)
b9734f35 2474 sec = htab->splt;
8517fae7
AM		 2475
2476 if (bfd_is_abs_section (sec))
252b5132
RH		 2477 indx = 0;
2478 else if (sec == NULL || sec->owner == NULL)
2479 {
2480 bfd_set_error (bfd_error_bad_value);
b34976b6 2481 return FALSE;
252b5132
RH		 2482 }
2483 else
2484 {
2485 asection *osec;
2486
2487 osec = sec->output_section;
2488 indx = elf_section_data (osec)->dynindx;
2489
2490 /* FIXME: we really should be able to link non-pic
2491 shared libraries. */
2492 if (indx == 0)
2493 {
2494 BFD_FAIL ();
2495 (*_bfd_error_handler)
2496 (_("%s: probably compiled without -fPIC?"),
8f615d07 2497 bfd_archive_filename (input_bfd));
252b5132 2498 bfd_set_error (bfd_error_bad_value);
b34976b6 2499 return FALSE;
252b5132
RH		 2500 }
2501 }
2502
2503 outrel.r_info = ELF32_R_INFO (indx, r_type);
840a9995 2504 outrel.r_addend = relocation + rel->r_addend;
252b5132
RH		 2505 }
2506 }
2507
b34976b6
AM		 2508 loc = sreloc->contents;
2509 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
2510 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
252b5132
RH		 2511
2512 /* This reloc will be computed at runtime, so there's no
26e41594 2513 need to do anything now. */
0bb2d96a
JJ		 2514 if (! relocate)
2515 continue;
252b5132
RH		 2516 }
2517 break;
2518
b9734f35
JJ		 2519 case R_SPARC_TLS_GD_HI22:
2520 if (! elf32_sparc_tdata (input_bfd)->has_tlsgd)
2521 {
2522 /* R_SPARC_REV32 used the same reloc number as
2523 R_SPARC_TLS_GD_HI22. */
2524 r_type = R_SPARC_REV32;
2525 break;
2526 }
2527 /* Fall through */
2528
2529 case R_SPARC_TLS_GD_LO10:
2530 case R_SPARC_TLS_IE_HI22:
2531 case R_SPARC_TLS_IE_LO10:
2532 r_type = elf32_sparc_tls_transition (info, input_bfd, r_type,
2533 h == NULL);
2534 tls_type = GOT_UNKNOWN;
2535 if (h == NULL && local_got_offsets)
2536 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2537 else if (h != NULL)
2538 {
2539 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2540 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
2541 switch (ELF32_R_TYPE (rel->r_info))
2542 {
2543 case R_SPARC_TLS_GD_HI22:
2544 case R_SPARC_TLS_IE_HI22:
2545 r_type = R_SPARC_TLS_LE_HIX22;
2546 break;
2547 default:
2548 r_type = R_SPARC_TLS_LE_LOX10;
2549 break;
2550 }
2551 }
2552 if (tls_type == GOT_TLS_IE)
2553 switch (r_type)
2554 {
2555 case R_SPARC_TLS_GD_HI22:
2556 r_type = R_SPARC_TLS_IE_HI22;
2557 break;
2558 case R_SPARC_TLS_GD_LO10:
2559 r_type = R_SPARC_TLS_IE_LO10;
2560 break;
2561 }
2562
2563 if (r_type == R_SPARC_TLS_LE_HIX22)
2564 {
2565 relocation = tpoff (info, relocation);
2566 break;
2567 }
2568 if (r_type == R_SPARC_TLS_LE_LOX10)
2569 {
2570 /* Change add into xor. */
2571 relocation = tpoff (info, relocation);
2572 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
2573 contents + rel->r_offset)
2574 | 0x80182000), contents + rel->r_offset);
2575 break;
2576 }
2577
26e41594 2578 if (h != NULL)
b9734f35
JJ		 2579 {
2580 off = h->got.offset;
2581 h->got.offset |= 1;
2582 }
2583 else
2584 {
2585 BFD_ASSERT (local_got_offsets != NULL);
2586 off = local_got_offsets[r_symndx];
2587 local_got_offsets[r_symndx] |= 1;
2588 }
26e41594 2589
b9734f35
JJ		 2590 r_sparc_tlsldm:
2591 if (htab->sgot == NULL)
2592 abort ();
2593
2594 if ((off & 1) != 0)
2595 off &= ~1;
26e41594 2596 else
b9734f35
JJ		 2597 {
2598 Elf_Internal_Rela outrel;
2599 Elf32_External_Rela *loc;
2600 int dr_type, indx;
2601
2602 if (htab->srelgot == NULL)
2603 abort ();
2604
2605 bfd_put_32 (output_bfd, 0, htab->sgot->contents + off);
2606 outrel.r_offset = (htab->sgot->output_section->vma
2607 + htab->sgot->output_offset + off);
2608 indx = h && h->dynindx != -1 ? h->dynindx : 0;
2609 if (r_type == R_SPARC_TLS_IE_HI22
2610 || r_type == R_SPARC_TLS_IE_LO10)
2611 dr_type = R_SPARC_TLS_TPOFF32;
2612 else
2613 dr_type = R_SPARC_TLS_DTPMOD32;
2614 if (dr_type == R_SPARC_TLS_TPOFF32 && indx == 0)
2615 outrel.r_addend = relocation - dtpoff_base (info);
2616 else
2617 outrel.r_addend = 0;
2618 outrel.r_info = ELF32_R_INFO (indx, dr_type);
2619 loc = (Elf32_External_Rela *) htab->srelgot->contents;
2620 loc += htab->srelgot->reloc_count++;
2621 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2622 (bfd_byte *) loc);
2623
2624 if (r_type == R_SPARC_TLS_GD_HI22
2625 || r_type == R_SPARC_TLS_GD_LO10)
2626 {
2627 if (indx == 0)
2628 {
2629 BFD_ASSERT (! unresolved_reloc);
2630 bfd_put_32 (output_bfd,
2631 relocation - dtpoff_base (info),
2632 htab->sgot->contents + off + 4);
2633 }
2634 else
2635 {
2636 bfd_put_32 (output_bfd, 0,
2637 htab->sgot->contents + off + 4);
2638 outrel.r_info = ELF32_R_INFO (indx,
2639 R_SPARC_TLS_DTPOFF32);
2640 outrel.r_offset += 4;
2641 htab->srelgot->reloc_count++;
2642 loc++;
2643 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2644 (bfd_byte *) loc);
2645 }
2646 }
2647 else if (dr_type == R_SPARC_TLS_DTPMOD32)
2648 {
2649 bfd_put_32 (output_bfd, 0,
2650 htab->sgot->contents + off + 4);
2651 }
2652 }
2653
2654 if (off >= (bfd_vma) -2)
2655 abort ();
2656
2657 relocation = htab->sgot->output_offset + off - got_base;
2658 unresolved_reloc = FALSE;
2659 howto = _bfd_sparc_elf_howto_table + r_type;
2660 break;
2661
2662 case R_SPARC_TLS_LDM_HI22:
2663 case R_SPARC_TLS_LDM_LO10:
2664 if (! info->shared)
2665 {
2666 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2667 continue;
2668 }
2669 off = htab->tls_ldm_got.offset;
2670 htab->tls_ldm_got.offset |= 1;
2671 goto r_sparc_tlsldm;
2672
2673 case R_SPARC_TLS_LDO_HIX22:
2674 case R_SPARC_TLS_LDO_LOX10:
2675 if (info->shared)
2676 relocation -= dtpoff_base (info);
2677 else
2678 relocation = tpoff (info, relocation);
2679 break;
2680
2681 case R_SPARC_TLS_LE_HIX22:
2682 case R_SPARC_TLS_LE_LOX10:
2683 if (info->shared)
2684 {
2685 Elf_Internal_Rela outrel;
2686 bfd_boolean skip, relocate = FALSE;
2687
2688 BFD_ASSERT (sreloc != NULL);
2689 skip = FALSE;
2690 outrel.r_offset =
2691 _bfd_elf_section_offset (output_bfd, info, input_section,
2692 rel->r_offset);
2693 if (outrel.r_offset == (bfd_vma) -1)
2694 skip = TRUE;
2695 else if (outrel.r_offset == (bfd_vma) -2)
2696 skip = TRUE, relocate = TRUE;
2697 outrel.r_offset += (input_section->output_section->vma
2698 + input_section->output_offset);
2699 if (skip)
2700 memset (&outrel, 0, sizeof outrel);
2701 else
2702 {
2703 outrel.r_info = ELF32_R_INFO (0, r_type);
2704 outrel.r_addend = relocation - dtpoff_base (info)
2705 + rel->r_addend;
2706 }
2707
2708 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2709 (bfd_byte *) (((Elf32_External_Rela *)
2710 sreloc->contents)
2711 + sreloc->reloc_count));
2712 ++sreloc->reloc_count;
2713 continue;
2714 }
2715 relocation = tpoff (info, relocation);
2716 break;
2717
2718 case R_SPARC_TLS_LDM_CALL:
2719 if (! info->shared)
2720 {
2721 /* mov %g0, %o0 */
2722 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
2723 continue;
2724 }
2725 /* Fall through */
2726
2727 case R_SPARC_TLS_GD_CALL:
2728 tls_type = GOT_UNKNOWN;
2729 if (h == NULL && local_got_offsets)
2730 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2731 else if (h != NULL)
2732 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2733 if (! info->shared
2734 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
2735 {
2736 bfd_vma insn;
2737
2738 if (!info->shared && (h == NULL || h->dynindx == -1))
2739 {
2740 /* GD -> LE */
2741 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2742 continue;
2743 }
2744
2745 /* GD -> IE */
2746 if (rel + 1 < relend
2747 && ELF32_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
2748 && rel[1].r_offset == rel->r_offset + 4
2749 && ELF32_R_SYM (rel[1].r_info) == r_symndx
2750 && (((insn = bfd_get_32 (input_bfd,
2751 contents + rel[1].r_offset))
2752 >> 25) & 0x1f) == 8)
2753 {
2754 /* We have
2755 call __tls_get_addr, %tgd_call(foo)
2756 add %reg1, %reg2, %o0, %tgd_add(foo)
2757 and change it into IE:
2758 ld [%reg1 + %reg2], %o0, %tie_ld(foo)
2759 add %g7, %o0, %o0, %tie_add(foo).
2760 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
2761 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2. */
2762 bfd_put_32 (output_bfd, insn | 0xc0000000,
2763 contents + rel->r_offset);
2764 bfd_put_32 (output_bfd, 0x9001c008,
2765 contents + rel->r_offset + 4);
2766 rel++;
2767 continue;
2768 }
2769
2770 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
2771 continue;
2772 }
2773
2774 h = (struct elf_link_hash_entry *)
2775 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
2776 FALSE, TRUE);
2777 BFD_ASSERT (h != NULL);
2778 r_type = R_SPARC_WPLT30;
2779 howto = _bfd_sparc_elf_howto_table + r_type;
2780 goto r_sparc_wplt30;
2781
2782 case R_SPARC_TLS_GD_ADD:
2783 tls_type = GOT_UNKNOWN;
2784 if (h == NULL && local_got_offsets)
2785 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2786 else if (h != NULL)
2787 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2788 if (! info->shared || tls_type == GOT_TLS_IE)
2789 {
2790 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
2791 changed into IE:
2792 ld [%reg1 + %reg2], %reg3, %tie_ld(foo)
2793 or LE:
2794 add %g7, %reg2, %reg3. */
2795 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2796 if ((h != NULL && h->dynindx != -1) || info->shared)
2797 relocation = insn | 0xc0000000;
2798 else
2799 relocation = (insn & ~0x7c000) | 0x1c000;
2800 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
2801 }
2802 continue;
2803
2804 case R_SPARC_TLS_LDM_ADD:
2805 if (! info->shared)
2806 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2807 continue;
2808
2809 case R_SPARC_TLS_LDO_ADD:
2810 if (! info->shared)
2811 {
2812 /* Change rs1 into %g7. */
2813 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2814 insn = (insn & ~0x7c000) | 0x1c000;
2815 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
2816 }
2817 continue;
2818
2819 case R_SPARC_TLS_IE_LD:
2820 case R_SPARC_TLS_IE_LDX:
2821 if (! info->shared && (h == NULL || h->dynindx == -1))
2822 {
2823 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2824 int rs2 = insn & 0x1f;
2825 int rd = (insn >> 25) & 0x1f;
2826
2827 if (rs2 == rd)
2828 relocation = SPARC_NOP;
2829 else
2830 relocation = 0x80100000 | (insn & 0x3e00001f);
2831 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
2832 }
2833 continue;
2834
2835 case R_SPARC_TLS_IE_ADD:
2836 /* Totally useless relocation. */
2837 continue;
2838
2839 case R_SPARC_TLS_DTPOFF32:
2840 relocation -= dtpoff_base (info);
2841 break;
2842
252b5132
RH		 2843 default:
2844 break;
2845 }
2846
239e1f3a
AM		 2847 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
2848 because such sections are not SEC_ALLOC and thus ld.so will
2849 not process them. */
e36f7d53 2850 if (unresolved_reloc
239e1f3a 2851 && !((input_section->flags & SEC_DEBUGGING) != 0
e36f7d53
RH		 2852 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
2853 (*_bfd_error_handler)
2854 (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
2855 bfd_archive_filename (input_bfd),
2856 bfd_get_section_name (input_bfd, input_section),
2857 (long) rel->r_offset,
2858 h->root.root.string);
2859
f7775d95 2860 r = bfd_reloc_continue;
252b5132
RH		 2861 if (r_type == R_SPARC_WDISP16)
2862 {
2863 bfd_vma x;
2864
2865 relocation += rel->r_addend;
2866 relocation -= (input_section->output_section->vma
2867 + input_section->output_offset);
2868 relocation -= rel->r_offset;
2869
2870 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2871 x |= ((((relocation >> 2) & 0xc000) << 6)
2872 | ((relocation >> 2) & 0x3fff));
2873 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2874
2875 if ((bfd_signed_vma) relocation < - 0x40000
2876 || (bfd_signed_vma) relocation > 0x3ffff)
2877 r = bfd_reloc_overflow;
2878 else
2879 r = bfd_reloc_ok;
2880 }
2881 else if (r_type == R_SPARC_REV32)
2882 {
2883 bfd_vma x;
2884
2885 relocation = relocation + rel->r_addend;
2886
2887 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2888 x = x + relocation;
2889 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
b9734f35
JJ		 2890 r = bfd_reloc_ok;
2891 }
2892 else if (r_type == R_SPARC_TLS_LDO_HIX22
2893 || r_type == R_SPARC_TLS_LE_HIX22)
2894 {
2895 bfd_vma x;
2896
2897 relocation += rel->r_addend;
2898 relocation = relocation ^ 0xffffffff;
2899
2900 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2901 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
2902 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2903 r = bfd_reloc_ok;
2904 }
2905 else if (r_type == R_SPARC_TLS_LDO_LOX10
2906 || r_type == R_SPARC_TLS_LE_LOX10)
2907 {
2908 bfd_vma x;
2909
2910 relocation += rel->r_addend;
2911 relocation = (relocation & 0x3ff) | 0x1c00;
2912
2913 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2914 x = (x & ~(bfd_vma) 0x1fff) | relocation;
2915 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2916
252b5132
RH		 2917 r = bfd_reloc_ok;
2918 }
f7775d95 2919 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
f0abc2a1 2920 && sec_do_relax (input_section)
f7775d95
JJ		 2921 && rel->r_offset + 4 < input_section->_raw_size)
2922 {
2923#define G0 0
2924#define O7 15
2925#define XCC (2 << 20)
2926#define COND(x) (((x)&0xf)<<25)
2927#define CONDA COND(0x8)
2928#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
2929#define INSN_BA (F2(0,2) | CONDA)
2930#define INSN_OR F3(2, 0x2, 0)
2931#define INSN_NOP F2(0,4)
2932
2933 bfd_vma x, y;
2934
2935 /* If the instruction is a call with either:
2936 restore
2937 arithmetic instruction with rd == %o7
2938 where rs1 != %o7 and rs2 if it is register != %o7
2939 then we can optimize if the call destination is near
2940 by changing the call into a branch always. */
2941 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2942 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
2943 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
2944 {
2945 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
2946 || ((y & OP3(0x28)) == 0 /* arithmetic */
2947 && (y & RD(~0)) == RD(O7)))
2948 && (y & RS1(~0)) != RS1(O7)
2949 && ((y & F3I(~0))
2950 || (y & RS2(~0)) != RS2(O7)))
2951 {
2952 bfd_vma reloc;
2953
2954 reloc = relocation + rel->r_addend - rel->r_offset;
2955 reloc -= (input_section->output_section->vma
2956 + input_section->output_offset);
2957
2958 /* Ensure the reloc fits into simm22. */
2959 if ((reloc & 3) == 0
2960 && ((reloc & ~(bfd_vma)0x7fffff) == 0
2961 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
2962 {
2963 reloc >>= 2;
435b1e90 2964
f7775d95
JJ		 2965 /* Check whether it fits into simm19 on v9. */
2966 if (((reloc & 0x3c0000) == 0
2967 || (reloc & 0x3c0000) == 0x3c0000)
2968 && (elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
2969 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
2970 else
2971 x = INSN_BA | (reloc & 0x3fffff); /* ba */
2972 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2973 r = bfd_reloc_ok;
2974 if (rel->r_offset >= 4
2975 && (y & (0xffffffff ^ RS1(~0)))
2976 == (INSN_OR | RD(O7) | RS2(G0)))
2977 {
2978 bfd_vma z;
2979 unsigned int reg;
2980
2981 z = bfd_get_32 (input_bfd,
2982 contents + rel->r_offset - 4);
2983 if ((z & (0xffffffff ^ RD(~0)))
2984 != (INSN_OR | RS1(O7) | RS2(G0)))
2985 break;
2986
2987 /* The sequence was
2988 or %o7, %g0, %rN
2989 call foo
2990 or %rN, %g0, %o7
2991
2992 If call foo was replaced with ba, replace
2993 or %rN, %g0, %o7 with nop. */
2994
2995 reg = (y & RS1(~0)) >> 14;
2996 if (reg != ((z & RD(~0)) >> 25)
2997 || reg == G0 || reg == O7)
2998 break;
2999
dc810e39 3000 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
f7775d95
JJ		 3001 contents + rel->r_offset + 4);
3002 }
3003
3004 }
3005 }
3006 }
3007 }
3008
3009 if (r == bfd_reloc_continue)
252b5132
RH		 3010 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3011 contents, rel->r_offset,
3012 relocation, rel->r_addend);
3013
252b5132
RH		 3014 if (r != bfd_reloc_ok)
3015 {
3016 switch (r)
3017 {
3018 default:
3019 case bfd_reloc_outofrange:
3020 abort ();
3021 case bfd_reloc_overflow:
3022 {
3023 const char *name;
3024
3025 if (h != NULL)
3026 name = h->root.root.string;
3027 else
3028 {
3029 name = bfd_elf_string_from_elf_section (input_bfd,
3030 symtab_hdr->sh_link,
3031 sym->st_name);
3032 if (name == NULL)
b34976b6 3033 return FALSE;
252b5132
RH		 3034 if (*name == '\0')
3035 name = bfd_section_name (input_bfd, sec);
3036 }
3037 if (! ((*info->callbacks->reloc_overflow)
3038 (info, name, howto->name, (bfd_vma) 0,
3039 input_bfd, input_section, rel->r_offset)))
b34976b6 3040 return FALSE;
252b5132
RH		 3041 }
3042 break;
3043 }
3044 }
3045 }
3046
b34976b6 3047 return TRUE;
252b5132
RH		 3048}
3049
3050/* Finish up dynamic symbol handling. We set the contents of various
3051 dynamic sections here. */
3052
b34976b6 3053static bfd_boolean
252b5132
RH		 3054elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym)
3055 bfd *output_bfd;
3056 struct bfd_link_info *info;
3057 struct elf_link_hash_entry *h;
3058 Elf_Internal_Sym *sym;
3059{
3060 bfd *dynobj;
b9734f35 3061 struct elf32_sparc_link_hash_table *htab;
26e41594 3062
b9734f35
JJ		 3063 htab = elf32_sparc_hash_table (info);
3064 dynobj = htab->elf.dynobj;
252b5132
RH		 3065
3066 if (h->plt.offset != (bfd_vma) -1)
3067 {
3068 asection *splt;
3069 asection *srela;
3070 Elf_Internal_Rela rela;
b34976b6 3071 bfd_byte *loc;
252b5132
RH		 3072
3073 /* This symbol has an entry in the procedure linkage table. Set
26e41594 3074 it up. */
252b5132
RH		 3075
3076 BFD_ASSERT (h->dynindx != -1);
3077
b9734f35
JJ		 3078 splt = htab->splt;
3079 srela = htab->srelplt;
252b5132
RH		 3080 BFD_ASSERT (splt != NULL && srela != NULL);
3081
3082 /* Fill in the entry in the procedure linkage table. */
3083 bfd_put_32 (output_bfd,
3084 PLT_ENTRY_WORD0 + h->plt.offset,
3085 splt->contents + h->plt.offset);
3086 bfd_put_32 (output_bfd,
3087 (PLT_ENTRY_WORD1
3088 + (((- (h->plt.offset + 4)) >> 2) & 0x3fffff)),
3089 splt->contents + h->plt.offset + 4);
dc810e39 3090 bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2,
252b5132
RH		 3091 splt->contents + h->plt.offset + 8);
3092
3093 /* Fill in the entry in the .rela.plt section. */
3094 rela.r_offset = (splt->output_section->vma
3095 + splt->output_offset
3096 + h->plt.offset);
3097 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
3098 rela.r_addend = 0;
b34976b6
AM		 3099 loc = srela->contents;
3100 loc += (h->plt.offset / PLT_ENTRY_SIZE - 4) * sizeof (Elf32_External_Rela);
3101 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
252b5132
RH		 3102
3103 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
3104 {
3105 /* Mark the symbol as undefined, rather than as defined in
3106 the .plt section. Leave the value alone. */
3107 sym->st_shndx = SHN_UNDEF;
8701c1bc
JJ		 3108 /* If the symbol is weak, we do need to clear the value.
3109 Otherwise, the PLT entry would provide a definition for
3110 the symbol even if the symbol wasn't defined anywhere,
3111 and so the symbol would never be NULL. */
3112 if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
3113 == 0)
3114 sym->st_value = 0;
252b5132
RH		 3115 }
3116 }
3117
b9734f35
JJ		 3118 if (h->got.offset != (bfd_vma) -1
3119 && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_GD
3120 && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_IE)
252b5132
RH		 3121 {
3122 asection *sgot;
3123 asection *srela;
3124 Elf_Internal_Rela rela;
b34976b6 3125 bfd_byte *loc;
252b5132
RH		 3126
3127 /* This symbol has an entry in the global offset table. Set it
26e41594 3128 up. */
252b5132 3129
b9734f35
JJ		 3130 sgot = htab->sgot;
3131 srela = htab->srelgot;
252b5132
RH		 3132 BFD_ASSERT (sgot != NULL && srela != NULL);
3133
3134 rela.r_offset = (sgot->output_section->vma
3135 + sgot->output_offset
dc810e39 3136 + (h->got.offset &~ (bfd_vma) 1));
252b5132
RH		 3137
3138 /* If this is a -Bsymbolic link, and the symbol is defined
3139 locally, we just want to emit a RELATIVE reloc. Likewise if
3140 the symbol was forced to be local because of a version file.
3141 The entry in the global offset table will already have been
3142 initialized in the relocate_section function. */
3143 if (info->shared
3144 && (info->symbolic || h->dynindx == -1)
3145 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
6b3ac709
JJ		 3146 {
3147 asection *sec = h->root.u.def.section;
3148 rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
3149 rela.r_addend = (h->root.u.def.value
3150 + sec->output_section->vma
3151 + sec->output_offset);
3152 }
252b5132
RH		 3153 else
3154 {
252b5132 3155 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
6b3ac709 3156 rela.r_addend = 0;
252b5132
RH		 3157 }
3158
6b3ac709
JJ		 3159 bfd_put_32 (output_bfd, (bfd_vma) 0,
3160 sgot->contents + (h->got.offset &~ (bfd_vma) 1));
b34976b6
AM		 3161 loc = srela->contents;
3162 loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
3163 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
252b5132
RH		 3164 }
3165
3166 if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
3167 {
3168 asection *s;
3169 Elf_Internal_Rela rela;
b34976b6 3170 bfd_byte *loc;
252b5132
RH		 3171
3172 /* This symbols needs a copy reloc. Set it up. */
3173
3174 BFD_ASSERT (h->dynindx != -1);
3175
3176 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3177 ".rela.bss");
3178 BFD_ASSERT (s != NULL);
3179
3180 rela.r_offset = (h->root.u.def.value
3181 + h->root.u.def.section->output_section->vma
3182 + h->root.u.def.section->output_offset);
3183 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_COPY);
3184 rela.r_addend = 0;
b34976b6
AM		 3185 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
3186 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
252b5132
RH		 3187 }
3188
3189 /* Mark some specially defined symbols as absolute. */
3190 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3191 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
3192 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
3193 sym->st_shndx = SHN_ABS;
3194
b34976b6 3195 return TRUE;
252b5132
RH		 3196}
3197
3198/* Finish up the dynamic sections. */
3199
b34976b6 3200static bfd_boolean
252b5132
RH		 3201elf32_sparc_finish_dynamic_sections (output_bfd, info)
3202 bfd *output_bfd;
3203 struct bfd_link_info *info;
3204{
3205 bfd *dynobj;
3206 asection *sdyn;
b9734f35 3207 struct elf32_sparc_link_hash_table *htab;
26e41594 3208
b9734f35
JJ		 3209 htab = elf32_sparc_hash_table (info);
3210 dynobj = htab->elf.dynobj;
252b5132
RH		 3211
3212 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3213
3214 if (elf_hash_table (info)->dynamic_sections_created)
3215 {
3216 asection *splt;
3217 Elf32_External_Dyn *dyncon, *dynconend;
3218
3219 splt = bfd_get_section_by_name (dynobj, ".plt");
3220 BFD_ASSERT (splt != NULL && sdyn != NULL);
3221
3222 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3223 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
3224 for (; dyncon < dynconend; dyncon++)
3225 {
3226 Elf_Internal_Dyn dyn;
3227 const char *name;
b34976b6 3228 bfd_boolean size;
252b5132
RH		 3229
3230 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3231
3232 switch (dyn.d_tag)
3233 {
b34976b6
AM		 3234 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3235 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3236 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3237 default: name = NULL; size = FALSE; break;
252b5132
RH		 3238 }
3239
3240 if (name != NULL)
3241 {
3242 asection *s;
3243
3244 s = bfd_get_section_by_name (output_bfd, name);
3245 if (s == NULL)
3246 dyn.d_un.d_val = 0;
3247 else
3248 {
3249 if (! size)
3250 dyn.d_un.d_ptr = s->vma;
3251 else
3252 {
3253 if (s->_cooked_size != 0)
3254 dyn.d_un.d_val = s->_cooked_size;
3255 else
3256 dyn.d_un.d_val = s->_raw_size;
3257 }
3258 }
3259 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3260 }
3261 }
3262
3263 /* Clear the first four entries in the procedure linkage table,
3264 and put a nop in the last four bytes. */
3265 if (splt->_raw_size > 0)
3266 {
3267 memset (splt->contents, 0, 4 * PLT_ENTRY_SIZE);
dc810e39 3268 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
252b5132
RH		 3269 splt->contents + splt->_raw_size - 4);
3270 }
3271
a8a6d7ce 3272 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 0;
252b5132
RH		 3273 }
3274
3275 /* Set the first entry in the global offset table to the address of
3276 the dynamic section. */
b9734f35 3277 if (htab->sgot && htab->sgot->_raw_size > 0)
252b5132
RH		 3278 {
3279 if (sdyn == NULL)
b9734f35 3280 bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgot->contents);
252b5132
RH		 3281 else
3282 bfd_put_32 (output_bfd,
3283 sdyn->output_section->vma + sdyn->output_offset,
b9734f35 3284 htab->sgot->contents);
252b5132
RH		 3285 }
3286
b9734f35
JJ		 3287 if (htab->sgot)
3288 elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4;
252b5132 3289
b34976b6 3290 return TRUE;
252b5132
RH		 3291}
3292\f
3293/* Functions for dealing with the e_flags field.
3294
3295 We don't define set_private_flags or copy_private_bfd_data because
3296 the only currently defined values are based on the bfd mach number,
3297 so we use the latter instead and defer setting e_flags until the
3298 file is written out. */
3299
3300/* Merge backend specific data from an object file to the output
3301 object file when linking. */
3302
b34976b6 3303static bfd_boolean
252b5132
RH		 3304elf32_sparc_merge_private_bfd_data (ibfd, obfd)
3305 bfd *ibfd;
3306 bfd *obfd;
3307{
b34976b6 3308 bfd_boolean error;
5f771d47
ILT		 3309 /* FIXME: This should not be static. */
3310 static unsigned long previous_ibfd_e_flags = (unsigned long) -1;
252b5132
RH		 3311
3312 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3313 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
b34976b6 3314 return TRUE;
252b5132 3315
b34976b6 3316 error = FALSE;
252b5132 3317
252b5132
RH		 3318 if (bfd_get_mach (ibfd) >= bfd_mach_sparc_v9)
3319 {
b34976b6 3320 error = TRUE;
252b5132
RH		 3321 (*_bfd_error_handler)
3322 (_("%s: compiled for a 64 bit system and target is 32 bit"),
8f615d07 3323 bfd_archive_filename (ibfd));
252b5132 3324 }
37fb6db1
ILT		 3325 else if ((ibfd->flags & DYNAMIC) == 0)
3326 {
3327 if (bfd_get_mach (obfd) < bfd_get_mach (ibfd))
3328 bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd));
3329 }
252b5132
RH		 3330
3331 if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA)
3332 != previous_ibfd_e_flags)
5f771d47 3333 && previous_ibfd_e_flags != (unsigned long) -1)
252b5132
RH		 3334 {
3335 (*_bfd_error_handler)
3336 (_("%s: linking little endian files with big endian files"),
8f615d07 3337 bfd_archive_filename (ibfd));
b34976b6 3338 error = TRUE;
252b5132
RH		 3339 }
3340 previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA;
3341
3342 if (error)
3343 {
3344 bfd_set_error (bfd_error_bad_value);
b34976b6 3345 return FALSE;
252b5132
RH		 3346 }
3347
b34976b6 3348 return TRUE;
252b5132
RH		 3349}
3350\f
3351/* Set the right machine number. */
3352
b34976b6 3353static bfd_boolean
252b5132
RH		 3354elf32_sparc_object_p (abfd)
3355 bfd *abfd;
3356{
3357 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
3358 {
19f7b010
JJ		 3359 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
3360 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3361 bfd_mach_sparc_v8plusb);
3362 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
252b5132
RH		 3363 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3364 bfd_mach_sparc_v8plusa);
3365 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
3366 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3367 bfd_mach_sparc_v8plus);
3368 else
b34976b6 3369 return FALSE;
252b5132
RH		 3370 }
3371 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
3372 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
20278fa3 3373 bfd_mach_sparc_sparclite_le);
252b5132
RH		 3374 else
3375 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
3376}
3377
3378/* The final processing done just before writing out the object file.
3379 We need to set the e_machine field appropriately. */
3380
3381static void
3382elf32_sparc_final_write_processing (abfd, linker)
3383 bfd *abfd;
b34976b6 3384 bfd_boolean linker ATTRIBUTE_UNUSED;
252b5132
RH		 3385{
3386 switch (bfd_get_mach (abfd))
3387 {
3388 case bfd_mach_sparc :
3389 break; /* nothing to do */
3390 case bfd_mach_sparc_v8plus :
3391 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3392 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3393 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS;
3394 break;
3395 case bfd_mach_sparc_v8plusa :
3396 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3397 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3398 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1;
3399 break;
19f7b010
JJ		 3400 case bfd_mach_sparc_v8plusb :
3401 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3402 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3403 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1
3404 | EF_SPARC_SUN_US3;
3405 break;
252b5132
RH		 3406 case bfd_mach_sparc_sparclite_le :
3407 elf_elfheader (abfd)->e_machine = EM_SPARC;
3408 elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA;
3409 break;
3410 default :
3411 abort ();
3412 break;
3413 }
3414}
db6751f2
JJ		 3415
3416static enum elf_reloc_type_class
f51e552e
AM		 3417elf32_sparc_reloc_type_class (rela)
3418 const Elf_Internal_Rela *rela;
db6751f2 3419{
f51e552e 3420 switch ((int) ELF32_R_TYPE (rela->r_info))
db6751f2
JJ		 3421 {
3422 case R_SPARC_RELATIVE:
3423 return reloc_class_relative;
3424 case R_SPARC_JMP_SLOT:
3425 return reloc_class_plt;
3426 case R_SPARC_COPY:
3427 return reloc_class_copy;
3428 default:
3429 return reloc_class_normal;
3430 }
3431}
252b5132
RH		 3432\f
3433#define TARGET_BIG_SYM bfd_elf32_sparc_vec
3434#define TARGET_BIG_NAME "elf32-sparc"
3435#define ELF_ARCH bfd_arch_sparc
3436#define ELF_MACHINE_CODE EM_SPARC
3437#define ELF_MACHINE_ALT1 EM_SPARC32PLUS
3438#define ELF_MAXPAGESIZE 0x10000
3439
3440#define bfd_elf32_bfd_reloc_type_lookup elf32_sparc_reloc_type_lookup
b9734f35
JJ		 3441#define bfd_elf32_bfd_link_hash_table_create \
3442 elf32_sparc_link_hash_table_create
f7775d95 3443#define bfd_elf32_bfd_relax_section elf32_sparc_relax_section
71e5db1c 3444#define bfd_elf32_new_section_hook elf32_sparc_new_section_hook
252b5132 3445#define elf_info_to_howto elf32_sparc_info_to_howto
b9734f35
JJ		 3446#define elf_backend_copy_indirect_symbol \
3447 elf32_sparc_copy_indirect_symbol
252b5132 3448#define elf_backend_create_dynamic_sections \
b9734f35 3449 elf32_sparc_create_dynamic_sections
252b5132
RH		 3450#define elf_backend_check_relocs elf32_sparc_check_relocs
3451#define elf_backend_adjust_dynamic_symbol \
3452 elf32_sparc_adjust_dynamic_symbol
3453#define elf_backend_size_dynamic_sections \
3454 elf32_sparc_size_dynamic_sections
3455#define elf_backend_relocate_section elf32_sparc_relocate_section
3456#define elf_backend_finish_dynamic_symbol \
3457 elf32_sparc_finish_dynamic_symbol
3458#define elf_backend_finish_dynamic_sections \
3459 elf32_sparc_finish_dynamic_sections
3460#define bfd_elf32_bfd_merge_private_bfd_data \
3461 elf32_sparc_merge_private_bfd_data
b9734f35 3462#define bfd_elf32_mkobject elf32_sparc_mkobject
252b5132
RH		 3463#define elf_backend_object_p elf32_sparc_object_p
3464#define elf_backend_final_write_processing \
3465 elf32_sparc_final_write_processing
26e41594 3466#define elf_backend_gc_mark_hook elf32_sparc_gc_mark_hook
252b5132 3467#define elf_backend_gc_sweep_hook elf32_sparc_gc_sweep_hook
0647ed71 3468#define elf_backend_grok_psinfo elf32_sparc_grok_psinfo
db6751f2 3469#define elf_backend_reloc_type_class elf32_sparc_reloc_type_class
252b5132
RH		 3470
3471#define elf_backend_can_gc_sections 1
b9734f35 3472#define elf_backend_can_refcount 1
252b5132
RH		 3473#define elf_backend_want_got_plt 0
3474#define elf_backend_plt_readonly 0
3475#define elf_backend_want_plt_sym 1
3476#define elf_backend_got_header_size 4
f0fe0e16 3477#define elf_backend_rela_normal 1
252b5132
RH		 3478
3479#include "elf32-target.h"
GDB Binutils - Deliverables
This page took 0.541219 seconds and 4 git commands to generate.