1 /* SPARC-specific support for 32-bit ELF
2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3 2003, 2004 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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. */
26 #include "elf/sparc.h"
27 #include "opcode/sparc.h"
29 static reloc_howto_type *elf32_sparc_reloc_type_lookup
30 PARAMS ((bfd *, bfd_reloc_code_real_type));
31 static void elf32_sparc_info_to_howto
32 PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
33 static bfd_boolean elf32_sparc_check_relocs
34 PARAMS ((bfd *, struct bfd_link_info *, asection *,
35 const Elf_Internal_Rela *));
36 static bfd_boolean elf32_sparc_adjust_dynamic_symbol
37 PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
38 static bfd_boolean allocate_dynrelocs
39 PARAMS ((struct elf_link_hash_entry *, PTR));
40 static bfd_boolean readonly_dynrelocs
41 PARAMS ((struct elf_link_hash_entry *, PTR));
42 static bfd_boolean elf32_sparc_size_dynamic_sections
43 PARAMS ((bfd *, struct bfd_link_info *));
44 static bfd_boolean elf32_sparc_new_section_hook
45 PARAMS ((bfd *, asection *));
46 static bfd_boolean elf32_sparc_relax_section
47 PARAMS ((bfd *, asection *, struct bfd_link_info *, bfd_boolean *));
48 static bfd_vma dtpoff_base
49 PARAMS ((struct bfd_link_info *));
51 PARAMS ((struct bfd_link_info *, bfd_vma));
52 static bfd_boolean elf32_sparc_relocate_section
53 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
54 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
55 static bfd_boolean elf32_sparc_finish_dynamic_symbol
56 PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
58 static bfd_boolean elf32_sparc_finish_dynamic_sections
59 PARAMS ((bfd *, struct bfd_link_info *));
60 static bfd_boolean elf32_sparc_merge_private_bfd_data
61 PARAMS ((bfd *, bfd *));
62 static struct bfd_hash_entry *link_hash_newfunc
63 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
64 static struct bfd_link_hash_table *elf32_sparc_link_hash_table_create
66 static bfd_boolean create_got_section
67 PARAMS ((bfd *, struct bfd_link_info *));
68 static bfd_boolean elf32_sparc_create_dynamic_sections
69 PARAMS ((bfd *, struct bfd_link_info *));
70 static void elf32_sparc_copy_indirect_symbol
71 PARAMS ((const struct elf_backend_data *, struct elf_link_hash_entry *,
72 struct elf_link_hash_entry *));
73 static int elf32_sparc_tls_transition
74 PARAMS ((struct bfd_link_info *, bfd *, int, int));
76 static bfd_boolean elf32_sparc_mkobject
78 static bfd_boolean elf32_sparc_object_p
80 static void elf32_sparc_final_write_processing
81 PARAMS ((bfd *, bfd_boolean));
82 static enum elf_reloc_type_class elf32_sparc_reloc_type_class
83 PARAMS ((const Elf_Internal_Rela *));
84 static asection * elf32_sparc_gc_mark_hook
85 PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
86 struct elf_link_hash_entry *, Elf_Internal_Sym *));
87 static bfd_boolean elf32_sparc_gc_sweep_hook
88 PARAMS ((bfd *, struct bfd_link_info *, asection *,
89 const Elf_Internal_Rela *));
91 /* The relocation "howto" table. */
93 static bfd_reloc_status_type sparc_elf_notsupported_reloc
94 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
95 static bfd_reloc_status_type sparc_elf_wdisp16_reloc
96 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
97 static bfd_reloc_status_type sparc_elf_hix22_reloc
98 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
99 static bfd_reloc_status_type sparc_elf_lox10_reloc
100 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
102 reloc_howto_type _bfd_sparc_elf_howto_table[] =
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),
136 /* These are for sparc64 in a 64 bit environment.
137 Values need to be here because the table is indexed by reloc number. */
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),
146 /* End sparc64 in 64 bit environment values.
147 The following are for sparc64 in a 32 bit environment. */
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),
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)
189 static reloc_howto_type elf32_sparc_vtinherit_howto =
190 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
191 static reloc_howto_type elf32_sparc_vtentry_howto =
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);
193 static 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);
196 struct elf_reloc_map {
197 bfd_reloc_code_real_type bfd_reloc_val;
198 unsigned char elf_reloc_val;
201 static const struct elf_reloc_map sparc_reloc_map[] =
203 { BFD_RELOC_NONE, R_SPARC_NONE, },
204 { BFD_RELOC_16, R_SPARC_16, },
205 { BFD_RELOC_16_PCREL, R_SPARC_DISP16 },
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 },
214 { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
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 },
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 },
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 },
270 { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT },
271 { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY },
272 { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 }
275 static reloc_howto_type *
276 elf32_sparc_reloc_type_lookup (abfd, code)
277 bfd *abfd ATTRIBUTE_UNUSED;
278 bfd_reloc_code_real_type code;
284 case BFD_RELOC_VTABLE_INHERIT:
285 return &elf32_sparc_vtinherit_howto;
287 case BFD_RELOC_VTABLE_ENTRY:
288 return &elf32_sparc_vtentry_howto;
290 case BFD_RELOC_SPARC_REV32:
291 return &elf32_sparc_rev32_howto;
295 i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map);
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);
303 bfd_set_error (bfd_error_bad_value);
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. */
311 elf32_sparc_info_to_howto (abfd, cache_ptr, dst)
312 bfd *abfd ATTRIBUTE_UNUSED;
314 Elf_Internal_Rela *dst;
316 switch (ELF32_R_TYPE(dst->r_info))
318 case R_SPARC_GNU_VTINHERIT:
319 cache_ptr->howto = &elf32_sparc_vtinherit_howto;
322 case R_SPARC_GNU_VTENTRY:
323 cache_ptr->howto = &elf32_sparc_vtentry_howto;
327 cache_ptr->howto = &elf32_sparc_rev32_howto;
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)];
336 /* For unsupported relocs. */
338 static bfd_reloc_status_type
339 sparc_elf_notsupported_reloc (abfd,
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;
354 return bfd_reloc_notsupported;
357 /* Handle the WDISP16 reloc. */
359 static bfd_reloc_status_type
360 sparc_elf_wdisp16_reloc (abfd,
368 arelent *reloc_entry;
371 asection *input_section;
373 char **error_message ATTRIBUTE_UNUSED;
378 if (output_bfd != (bfd *) NULL
379 && (symbol->flags & BSF_SECTION_SYM) == 0
380 && (! reloc_entry->howto->partial_inplace
381 || reloc_entry->addend == 0))
383 reloc_entry->address += input_section->output_offset;
387 if (output_bfd != NULL)
388 return bfd_reloc_continue;
390 if (reloc_entry->address > input_section->_cooked_size)
391 return bfd_reloc_outofrange;
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;
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);
406 if ((bfd_signed_vma) relocation < - 0x40000
407 || (bfd_signed_vma) relocation > 0x3ffff)
408 return bfd_reloc_overflow;
413 /* Handle the HIX22 reloc. */
415 static bfd_reloc_status_type
416 sparc_elf_hix22_reloc (abfd,
424 arelent *reloc_entry;
427 asection *input_section;
429 char **error_message ATTRIBUTE_UNUSED;
434 if (output_bfd != (bfd *) NULL
435 && (symbol->flags & BSF_SECTION_SYM) == 0)
437 reloc_entry->address += input_section->output_offset;
441 if (output_bfd != NULL)
442 return bfd_reloc_continue;
444 if (reloc_entry->address > input_section->_cooked_size)
445 return bfd_reloc_outofrange;
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);
453 insn = (insn &~ (bfd_vma) 0x3fffff) | (((~relocation) >> 10) & 0x3fffff);
454 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
459 /* Handle the LOX10 reloc. */
461 static bfd_reloc_status_type
462 sparc_elf_lox10_reloc (abfd,
470 arelent *reloc_entry;
473 asection *input_section;
475 char **error_message ATTRIBUTE_UNUSED;
480 if (output_bfd != (bfd *) NULL
481 && (symbol->flags & BSF_SECTION_SYM) == 0)
483 reloc_entry->address += input_section->output_offset;
487 if (output_bfd != NULL)
488 return bfd_reloc_continue;
490 if (reloc_entry->address > input_section->_cooked_size)
491 return bfd_reloc_outofrange;
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);
499 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
500 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
505 /* Support for core dump NOTE sections. */
508 elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
510 switch (note->descsz)
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);
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);
534 /* Functions for the SPARC ELF linker. */
536 /* The name of the dynamic interpreter. This is put in the .interp
539 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
541 /* The nop opcode we use. */
543 #define SPARC_NOP 0x01000000
545 /* The size in bytes of an entry in the procedure linkage table. */
547 #define PLT_ENTRY_SIZE 12
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. */
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
559 #define PLT_ENTRY_WORD2 SPARC_NOP
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. */
567 struct elf32_sparc_dyn_relocs
569 struct elf32_sparc_dyn_relocs *next;
571 /* The input section of the reloc. */
574 /* Total number of relocs copied for the input section. */
577 /* Number of pc-relative relocs copied for the input section. */
578 bfd_size_type pc_count;
581 /* SPARC ELF linker hash entry. */
583 struct elf32_sparc_link_hash_entry
585 struct elf_link_hash_entry elf;
587 /* Track dynamic relocs copied for this symbol. */
588 struct elf32_sparc_dyn_relocs *dyn_relocs;
590 #define GOT_UNKNOWN 0
594 unsigned char tls_type;
597 #define elf32_sparc_hash_entry(ent) ((struct elf32_sparc_link_hash_entry *)(ent))
599 struct elf32_sparc_obj_tdata
601 struct elf_obj_tdata root;
603 /* tls_type for each local got entry. */
604 char *local_got_tls_type;
606 /* TRUE if TLS GD relocs has been seen for this object. */
607 bfd_boolean has_tlsgd;
610 #define elf32_sparc_tdata(abfd) \
611 ((struct elf32_sparc_obj_tdata *) (abfd)->tdata.any)
613 #define elf32_sparc_local_got_tls_type(abfd) \
614 (elf32_sparc_tdata (abfd)->local_got_tls_type)
617 elf32_sparc_mkobject (abfd)
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)
627 /* SPARC ELF linker hash table. */
629 struct elf32_sparc_link_hash_table
631 struct elf_link_hash_table elf;
633 /* Short-cuts to get to dynamic linker sections. */
642 bfd_signed_vma refcount;
646 /* Small local sym to section mapping cache. */
647 struct sym_sec_cache sym_sec;
650 /* Get the SPARC ELF linker hash table from a link_info structure. */
652 #define elf32_sparc_hash_table(p) \
653 ((struct elf32_sparc_link_hash_table *) ((p)->hash))
655 /* Create an entry in an i386 ELF linker hash table. */
657 static struct bfd_hash_entry *
658 link_hash_newfunc (entry, table, string)
659 struct bfd_hash_entry *entry;
660 struct bfd_hash_table *table;
663 /* Allocate the structure if it has not already been allocated by a
667 entry = bfd_hash_allocate (table,
668 sizeof (struct elf32_sparc_link_hash_entry));
673 /* Call the allocation method of the superclass. */
674 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
677 struct elf32_sparc_link_hash_entry *eh;
679 eh = (struct elf32_sparc_link_hash_entry *) entry;
680 eh->dyn_relocs = NULL;
681 eh->tls_type = GOT_UNKNOWN;
687 /* Create a SPARC ELF linker hash table. */
689 static struct bfd_link_hash_table *
690 elf32_sparc_link_hash_table_create (abfd)
693 struct elf32_sparc_link_hash_table *ret;
694 bfd_size_type amt = sizeof (struct elf32_sparc_link_hash_table);
696 ret = (struct elf32_sparc_link_hash_table *) bfd_malloc (amt);
700 if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc))
712 ret->tls_ldm_got.refcount = 0;
713 ret->sym_sec.abfd = NULL;
715 return &ret->elf.root;
718 /* Create .got and .rela.got sections in DYNOBJ, and set up
719 shortcuts to them in our hash table. */
722 create_got_section (dynobj, info)
724 struct bfd_link_info *info;
726 struct elf32_sparc_link_hash_table *htab;
728 if (! _bfd_elf_create_got_section (dynobj, info))
731 htab = elf32_sparc_hash_table (info);
732 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
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
742 || ! bfd_set_section_alignment (dynobj, htab->srelgot, 2))
747 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
748 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
752 elf32_sparc_create_dynamic_sections (dynobj, info)
754 struct bfd_link_info *info;
756 struct elf32_sparc_link_hash_table *htab;
758 htab = elf32_sparc_hash_table (info);
759 if (!htab->sgot && !create_got_section (dynobj, info))
762 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
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");
769 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
771 if (!htab->splt || !htab->srelplt || !htab->sdynbss
772 || (!info->shared && !htab->srelbss))
778 /* Copy the extra info we tack onto an elf_link_hash_entry. */
781 elf32_sparc_copy_indirect_symbol (bed, dir, ind)
782 const struct elf_backend_data *bed;
783 struct elf_link_hash_entry *dir, *ind;
785 struct elf32_sparc_link_hash_entry *edir, *eind;
787 edir = (struct elf32_sparc_link_hash_entry *) dir;
788 eind = (struct elf32_sparc_link_hash_entry *) ind;
790 if (eind->dyn_relocs != NULL)
792 if (edir->dyn_relocs != NULL)
794 struct elf32_sparc_dyn_relocs **pp;
795 struct elf32_sparc_dyn_relocs *p;
797 if (ind->root.type == bfd_link_hash_indirect)
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; )
804 struct elf32_sparc_dyn_relocs *q;
806 for (q = edir->dyn_relocs; q != NULL; q = q->next)
807 if (q->sec == p->sec)
809 q->pc_count += p->pc_count;
810 q->count += p->count;
817 *pp = edir->dyn_relocs;
820 edir->dyn_relocs = eind->dyn_relocs;
821 eind->dyn_relocs = NULL;
824 if (ind->root.type == bfd_link_hash_indirect
825 && dir->got.refcount <= 0)
827 edir->tls_type = eind->tls_type;
828 eind->tls_type = GOT_UNKNOWN;
830 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
834 elf32_sparc_tls_transition (info, abfd, r_type, is_local)
835 struct bfd_link_info *info;
840 if (r_type == R_SPARC_TLS_GD_HI22
841 && ! elf32_sparc_tdata (abfd)->has_tlsgd)
842 r_type = R_SPARC_REV32;
849 case R_SPARC_TLS_GD_HI22:
851 return R_SPARC_TLS_LE_HIX22;
852 return R_SPARC_TLS_IE_HI22;
853 case R_SPARC_TLS_GD_LO10:
855 return R_SPARC_TLS_LE_LOX10;
856 return R_SPARC_TLS_IE_LO10;
857 case R_SPARC_TLS_IE_HI22:
859 return R_SPARC_TLS_LE_HIX22;
861 case R_SPARC_TLS_IE_LO10:
863 return R_SPARC_TLS_LE_LOX10;
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;
874 /* Look through the relocs for a section during the first phase, and
875 allocate space in the global offset table or procedure linkage
879 elf32_sparc_check_relocs (abfd, info, sec, relocs)
881 struct bfd_link_info *info;
883 const Elf_Internal_Rela *relocs;
885 struct elf32_sparc_link_hash_table *htab;
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;
892 bfd_boolean checked_tlsgd = FALSE;
894 if (info->relocatable)
897 htab = elf32_sparc_hash_table (info);
898 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
899 sym_hashes = elf_sym_hashes (abfd);
900 local_got_offsets = elf_local_got_offsets (abfd);
904 rel_end = relocs + sec->reloc_count;
905 for (rel = relocs; rel < rel_end; rel++)
908 unsigned long r_symndx;
909 struct elf_link_hash_entry *h;
911 r_symndx = ELF32_R_SYM (rel->r_info);
912 r_type = ELF32_R_TYPE (rel->r_info);
914 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
916 (*_bfd_error_handler) (_("%s: bad symbol index: %d"),
917 bfd_archive_filename (abfd),
922 if (r_symndx < symtab_hdr->sh_info)
925 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
927 /* Compatibility with old R_SPARC_REV32 reloc conflicting
928 with R_SPARC_TLS_GD_HI22. */
932 case R_SPARC_TLS_GD_HI22:
934 const Elf_Internal_Rela *relt;
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)
941 checked_tlsgd = TRUE;
942 elf32_sparc_tdata (abfd)->has_tlsgd = relt < rel_end;
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;
953 r_type = elf32_sparc_tls_transition (info, abfd, r_type, h == NULL);
956 case R_SPARC_TLS_LDM_HI22:
957 case R_SPARC_TLS_LDM_LO10:
958 htab->tls_ldm_got.refcount += 1;
961 case R_SPARC_TLS_LE_HIX22:
962 case R_SPARC_TLS_LE_LOX10:
967 case R_SPARC_TLS_IE_HI22:
968 case R_SPARC_TLS_IE_LO10:
970 info->flags |= DF_STATIC_TLS;
976 case R_SPARC_TLS_GD_HI22:
977 case R_SPARC_TLS_GD_LO10:
978 /* This symbol requires a global offset table entry. */
980 int tls_type, old_tls_type;
988 tls_type = GOT_NORMAL;
990 case R_SPARC_TLS_GD_HI22:
991 case R_SPARC_TLS_GD_LO10:
992 tls_type = GOT_TLS_GD;
994 case R_SPARC_TLS_IE_HI22:
995 case R_SPARC_TLS_IE_LO10:
996 tls_type = GOT_TLS_IE;
1002 h->got.refcount += 1;
1003 old_tls_type = elf32_sparc_hash_entry(h)->tls_type;
1007 bfd_signed_vma *local_got_refcounts;
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)
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)
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);
1025 local_got_refcounts[r_symndx] += 1;
1026 old_tls_type = elf32_sparc_local_got_tls_type (abfd) [r_symndx];
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))
1035 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1036 tls_type = old_tls_type;
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>");
1047 if (old_tls_type != tls_type)
1050 elf32_sparc_hash_entry (h)->tls_type = tls_type;
1052 elf32_sparc_local_got_tls_type (abfd) [r_symndx] = tls_type;
1056 if (htab->sgot == NULL)
1058 if (htab->elf.dynobj == NULL)
1059 htab->elf.dynobj = abfd;
1060 if (!create_got_section (htab->elf.dynobj, info))
1065 case R_SPARC_TLS_GD_CALL:
1066 case R_SPARC_TLS_LDM_CALL:
1069 /* These are basically R_SPARC_TLS_WPLT30 relocs against
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,
1078 h = (struct elf_link_hash_entry *) bh;
1085 case R_SPARC_WPLT30:
1086 /* This symbol requires a procedure linkage table entry. We
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. */
1094 /* The Solaris native assembler will generate a WPLT30
1095 reloc for a local symbol if you assemble a call from
1096 one section to another when using -K pic. We treat
1098 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1103 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
1105 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1107 h->plt.refcount += 1;
1113 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
1116 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
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:
1137 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
1140 if (h != NULL && !info->shared)
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;
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
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
1169 && (sec->flags & SEC_ALLOC) != 0
1170 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1172 && (! info->symbolic
1173 || h->root.type == bfd_link_hash_defweak
1174 || (h->elf_link_hash_flags
1175 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
1177 && (sec->flags & SEC_ALLOC) != 0
1179 && (h->root.type == bfd_link_hash_defweak
1180 || (h->elf_link_hash_flags
1181 & ELF_LINK_HASH_DEF_REGULAR) == 0)))
1183 struct elf32_sparc_dyn_relocs *p;
1184 struct elf32_sparc_dyn_relocs **head;
1186 /* When creating a shared object, we must copy these
1187 relocs into the output file. We create a reloc
1188 section in dynobj and make room for the reloc. */
1194 name = (bfd_elf_string_from_elf_section
1196 elf_elfheader (abfd)->e_shstrndx,
1197 elf_section_data (sec)->rel_hdr.sh_name));
1201 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
1202 && strcmp (bfd_get_section_name (abfd, sec),
1205 if (htab->elf.dynobj == NULL)
1206 htab->elf.dynobj = abfd;
1207 dynobj = htab->elf.dynobj;
1209 sreloc = bfd_get_section_by_name (dynobj, name);
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;
1220 || ! bfd_set_section_flags (dynobj, sreloc, flags)
1221 || ! bfd_set_section_alignment (dynobj, sreloc, 2))
1224 elf_section_data (sec)->sreloc = sreloc;
1227 /* If this is a global symbol, we count the number of
1228 relocations we need for this symbol. */
1230 head = &((struct elf32_sparc_link_hash_entry *) h)->dyn_relocs;
1233 /* Track dynamic relocs needed for local syms too.
1234 We really need local syms available to do this
1238 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
1243 head = ((struct elf32_sparc_dyn_relocs **)
1244 &elf_section_data (s)->local_dynrel);
1248 if (p == NULL || p->sec != sec)
1250 bfd_size_type amt = sizeof *p;
1251 p = ((struct elf32_sparc_dyn_relocs *)
1252 bfd_alloc (htab->elf.dynobj, amt));
1263 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1269 case R_SPARC_GNU_VTINHERIT:
1270 if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1274 case R_SPARC_GNU_VTENTRY:
1275 if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1288 elf32_sparc_gc_mark_hook (sec, info, rel, h, sym)
1290 struct bfd_link_info *info ATTRIBUTE_UNUSED;
1291 Elf_Internal_Rela *rel;
1292 struct elf_link_hash_entry *h;
1293 Elf_Internal_Sym *sym;
1297 switch (ELF32_R_TYPE (rel->r_info))
1299 case R_SPARC_GNU_VTINHERIT:
1300 case R_SPARC_GNU_VTENTRY:
1304 switch (h->root.type)
1306 case bfd_link_hash_defined:
1307 case bfd_link_hash_defweak:
1308 return h->root.u.def.section;
1310 case bfd_link_hash_common:
1311 return h->root.u.c.p->section;
1319 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
1324 /* Update the got entry reference counts for the section being removed. */
1326 elf32_sparc_gc_sweep_hook (abfd, info, sec, relocs)
1328 struct bfd_link_info *info ATTRIBUTE_UNUSED;
1330 const Elf_Internal_Rela *relocs;
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;
1337 elf_section_data (sec)->local_dynrel = NULL;
1339 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1340 sym_hashes = elf_sym_hashes (abfd);
1341 local_got_refcounts = elf_local_got_refcounts (abfd);
1343 relend = relocs + sec->reloc_count;
1344 for (rel = relocs; rel < relend; rel++)
1346 unsigned long r_symndx;
1347 unsigned int r_type;
1348 struct elf_link_hash_entry *h = NULL;
1350 r_symndx = ELF32_R_SYM (rel->r_info);
1351 if (r_symndx >= symtab_hdr->sh_info)
1353 struct elf32_sparc_link_hash_entry *eh;
1354 struct elf32_sparc_dyn_relocs **pp;
1355 struct elf32_sparc_dyn_relocs *p;
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)
1362 /* Everything must go for SEC. */
1368 r_type = ELF32_R_TYPE (rel->r_info);
1369 r_type = elf32_sparc_tls_transition (info, abfd, r_type, h != NULL);
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;
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:
1387 if (h->got.refcount > 0)
1392 if (local_got_refcounts[r_symndx] > 0)
1393 local_got_refcounts[r_symndx]--;
1400 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
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:
1425 case R_SPARC_WPLT30:
1428 if (h->plt.refcount > 0)
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
1448 elf32_sparc_adjust_dynamic_symbol (info, h)
1449 struct bfd_link_info *info;
1450 struct elf_link_hash_entry *h;
1452 struct elf32_sparc_link_hash_table *htab;
1453 struct elf32_sparc_link_hash_entry * eh;
1454 struct elf32_sparc_dyn_relocs *p;
1456 unsigned int power_of_two;
1458 htab = elf32_sparc_hash_table (info);
1460 /* Make sure we know what is going on here. */
1461 BFD_ASSERT (htab->elf.dynobj != NULL
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)));
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
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))
1485 if (h->plt.refcount <= 0
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))
1492 /* This case can occur if we saw a WPLT30 reloc in an input
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;
1498 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
1504 h->plt.offset = (bfd_vma) -1;
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)
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;
1518 /* This is a reference to a symbol defined by a dynamic object which
1519 is not a function. */
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. */
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)
1533 eh = (struct elf32_sparc_link_hash_entry *) h;
1534 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1536 s = p->sec->output_section;
1537 if (s != NULL && (s->flags & SEC_READONLY) != 0)
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. */
1545 h->elf_link_hash_flags &= ~ELF_LINK_NON_GOT_REF;
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. */
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)
1565 htab->srelbss->_raw_size += sizeof (Elf32_External_Rela);
1566 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
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)
1575 /* Apply the required alignment. */
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))
1581 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
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;
1589 /* Increment the section size to make room for the symbol. */
1590 s->_raw_size += h->size;
1595 /* This is the condition under which finish_dynamic_symbol will be called
1596 from elflink.h. If elflink.h doesn't call our finish_dynamic_symbol
1597 routine, we'll need to do something about initializing any .plt and .got
1598 entries in relocate_section. */
1599 #define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
1601 && ((INFO)->shared \
1602 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
1603 && ((H)->dynindx != -1 \
1604 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
1606 /* Allocate space in .plt, .got and associated reloc sections for
1610 allocate_dynrelocs (h, inf)
1611 struct elf_link_hash_entry *h;
1614 struct bfd_link_info *info;
1615 struct elf32_sparc_link_hash_table *htab;
1616 struct elf32_sparc_link_hash_entry *eh;
1617 struct elf32_sparc_dyn_relocs *p;
1619 if (h->root.type == bfd_link_hash_indirect)
1622 if (h->root.type == bfd_link_hash_warning)
1623 /* When warning symbols are created, they **replace** the "real"
1624 entry in the hash table, thus we never get to see the real
1625 symbol in a hash traversal. So look at it now. */
1626 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1628 info = (struct bfd_link_info *) inf;
1629 htab = elf32_sparc_hash_table (info);
1631 if (htab->elf.dynamic_sections_created
1632 && h->plt.refcount > 0)
1634 /* Make sure this symbol is output as a dynamic symbol.
1635 Undefined weak syms won't yet be marked as dynamic. */
1636 if (h->dynindx == -1
1637 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1639 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
1643 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
1645 asection *s = htab->splt;
1647 /* The first four entries in .plt are reserved. */
1648 if (s->_raw_size == 0)
1649 s->_raw_size = 4 * PLT_ENTRY_SIZE;
1651 /* The procedure linkage table has a maximum size. */
1652 if (s->_raw_size >= 0x400000)
1654 bfd_set_error (bfd_error_bad_value);
1658 h->plt.offset = s->_raw_size;
1660 /* If this symbol is not defined in a regular file, and we are
1661 not generating a shared library, then set the symbol to this
1662 location in the .plt. This is required to make function
1663 pointers compare as equal between the normal executable and
1664 the shared library. */
1666 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1668 h->root.u.def.section = s;
1669 h->root.u.def.value = h->plt.offset;
1672 /* Make room for this entry. */
1673 s->_raw_size += PLT_ENTRY_SIZE;
1675 /* We also need to make an entry in the .rela.plt section. */
1676 htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
1680 h->plt.offset = (bfd_vma) -1;
1681 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
1686 h->plt.offset = (bfd_vma) -1;
1687 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
1690 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
1691 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
1692 if (h->got.refcount > 0
1695 && elf32_sparc_hash_entry(h)->tls_type == GOT_TLS_IE)
1696 h->got.offset = (bfd_vma) -1;
1697 else if (h->got.refcount > 0)
1701 int tls_type = elf32_sparc_hash_entry(h)->tls_type;
1703 /* Make sure this symbol is output as a dynamic symbol.
1704 Undefined weak syms won't yet be marked as dynamic. */
1705 if (h->dynindx == -1
1706 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1708 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
1713 h->got.offset = s->_raw_size;
1715 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
1716 if (tls_type == GOT_TLS_GD)
1718 dyn = htab->elf.dynamic_sections_created;
1719 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
1720 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
1722 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1723 || tls_type == GOT_TLS_IE)
1724 htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
1725 else if (tls_type == GOT_TLS_GD)
1726 htab->srelgot->_raw_size += 2 * sizeof (Elf32_External_Rela);
1727 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
1728 htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
1731 h->got.offset = (bfd_vma) -1;
1733 eh = (struct elf32_sparc_link_hash_entry *) h;
1734 if (eh->dyn_relocs == NULL)
1737 /* In the shared -Bsymbolic case, discard space allocated for
1738 dynamic pc-relative relocs against symbols which turn out to be
1739 defined in regular objects. For the normal shared case, discard
1740 space for pc-relative relocs that have become local due to symbol
1741 visibility changes. */
1745 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
1746 && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
1749 struct elf32_sparc_dyn_relocs **pp;
1751 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
1753 p->count -= p->pc_count;
1764 /* For the non-shared case, discard space for relocs against
1765 symbols which turn out to need copy relocs or are not
1768 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
1769 && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
1770 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1771 || (htab->elf.dynamic_sections_created
1772 && (h->root.type == bfd_link_hash_undefweak
1773 || h->root.type == bfd_link_hash_undefined))))
1775 /* Make sure this symbol is output as a dynamic symbol.
1776 Undefined weak syms won't yet be marked as dynamic. */
1777 if (h->dynindx == -1
1778 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1780 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
1784 /* If that succeeded, we know we'll be keeping all the
1786 if (h->dynindx != -1)
1790 eh->dyn_relocs = NULL;
1795 /* Finally, allocate space. */
1796 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1798 asection *sreloc = elf_section_data (p->sec)->sreloc;
1799 sreloc->_raw_size += p->count * sizeof (Elf32_External_Rela);
1805 /* Find any dynamic relocs that apply to read-only sections. */
1808 readonly_dynrelocs (h, inf)
1809 struct elf_link_hash_entry *h;
1812 struct elf32_sparc_link_hash_entry *eh;
1813 struct elf32_sparc_dyn_relocs *p;
1815 if (h->root.type == bfd_link_hash_warning)
1816 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1818 eh = (struct elf32_sparc_link_hash_entry *) h;
1819 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1821 asection *s = p->sec->output_section;
1823 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1825 struct bfd_link_info *info = (struct bfd_link_info *) inf;
1827 info->flags |= DF_TEXTREL;
1829 /* Not an error, just cut short the traversal. */
1836 /* Set the sizes of the dynamic sections. */
1839 elf32_sparc_size_dynamic_sections (output_bfd, info)
1840 bfd *output_bfd ATTRIBUTE_UNUSED;
1841 struct bfd_link_info *info;
1843 struct elf32_sparc_link_hash_table *htab;
1848 htab = elf32_sparc_hash_table (info);
1849 dynobj = htab->elf.dynobj;
1850 BFD_ASSERT (dynobj != NULL);
1852 if (elf_hash_table (info)->dynamic_sections_created)
1854 /* Set the contents of the .interp section to the interpreter. */
1855 if (info->executable)
1857 s = bfd_get_section_by_name (dynobj, ".interp");
1858 BFD_ASSERT (s != NULL);
1859 s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
1860 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
1864 /* Set up .got offsets for local syms, and space for local dynamic
1866 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
1868 bfd_signed_vma *local_got;
1869 bfd_signed_vma *end_local_got;
1870 char *local_tls_type;
1871 bfd_size_type locsymcount;
1872 Elf_Internal_Shdr *symtab_hdr;
1875 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
1878 for (s = ibfd->sections; s != NULL; s = s->next)
1880 struct elf32_sparc_dyn_relocs *p;
1882 for (p = *((struct elf32_sparc_dyn_relocs **)
1883 &elf_section_data (s)->local_dynrel);
1887 if (!bfd_is_abs_section (p->sec)
1888 && bfd_is_abs_section (p->sec->output_section))
1890 /* Input section has been discarded, either because
1891 it is a copy of a linkonce section or due to
1892 linker script /DISCARD/, so we'll be discarding
1895 else if (p->count != 0)
1897 srel = elf_section_data (p->sec)->sreloc;
1898 srel->_raw_size += p->count * sizeof (Elf32_External_Rela);
1899 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
1900 info->flags |= DF_TEXTREL;
1905 local_got = elf_local_got_refcounts (ibfd);
1909 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
1910 locsymcount = symtab_hdr->sh_info;
1911 end_local_got = local_got + locsymcount;
1912 local_tls_type = elf32_sparc_local_got_tls_type (ibfd);
1914 srel = htab->srelgot;
1915 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
1919 *local_got = s->_raw_size;
1921 if (*local_tls_type == GOT_TLS_GD)
1924 || *local_tls_type == GOT_TLS_GD
1925 || *local_tls_type == GOT_TLS_IE)
1926 srel->_raw_size += sizeof (Elf32_External_Rela);
1929 *local_got = (bfd_vma) -1;
1933 if (htab->tls_ldm_got.refcount > 0)
1935 /* Allocate 2 got entries and 1 dynamic reloc for
1936 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
1937 htab->tls_ldm_got.offset = htab->sgot->_raw_size;
1938 htab->sgot->_raw_size += 8;
1939 htab->srelgot->_raw_size += sizeof (Elf32_External_Rela);
1942 htab->tls_ldm_got.offset = -1;
1944 /* Allocate global sym .plt and .got entries, and space for global
1945 sym dynamic relocs. */
1946 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
1948 if (elf_hash_table (info)->dynamic_sections_created)
1950 /* Make space for the trailing nop in .plt. */
1951 if (htab->splt->_raw_size > 0)
1952 htab->splt->_raw_size += 4;
1954 /* If the .got section is more than 0x1000 bytes, we add
1955 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
1956 bit relocations have a greater chance of working. */
1957 if (htab->sgot->_raw_size >= 0x1000
1958 && elf_hash_table (info)->hgot->root.u.def.value == 0)
1959 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
1962 /* The check_relocs and adjust_dynamic_symbol entry points have
1963 determined the sizes of the various dynamic sections. Allocate
1965 for (s = dynobj->sections; s != NULL; s = s->next)
1968 bfd_boolean strip = FALSE;
1970 if ((s->flags & SEC_LINKER_CREATED) == 0)
1973 /* It's OK to base decisions on the section name, because none
1974 of the dynobj section names depend upon the input files. */
1975 name = bfd_get_section_name (dynobj, s);
1977 if (strncmp (name, ".rela", 5) == 0)
1979 if (s->_raw_size == 0)
1981 /* If we don't need this section, strip it from the
1982 output file. This is to handle .rela.bss and
1983 .rel.plt. We must create it in
1984 create_dynamic_sections, because it must be created
1985 before the linker maps input sections to output
1986 sections. The linker does that before
1987 adjust_dynamic_symbol is called, and it is that
1988 function which decides whether anything needs to go
1989 into these sections. */
1994 /* We use the reloc_count field as a counter if we need
1995 to copy relocs into the output file. */
1999 else if (s != htab->splt && s != htab->sgot)
2001 /* It's not one of our sections, so don't allocate space. */
2007 _bfd_strip_section_from_output (info, s);
2011 /* Allocate memory for the section contents. */
2012 /* FIXME: This should be a call to bfd_alloc not bfd_zalloc.
2013 Unused entries should be reclaimed before the section's contents
2014 are written out, but at the moment this does not happen. Thus in
2015 order to prevent writing out garbage, we initialise the section's
2016 contents to zero. */
2017 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
2018 if (s->contents == NULL && s->_raw_size != 0)
2022 if (elf_hash_table (info)->dynamic_sections_created)
2024 /* Add some entries to the .dynamic section. We fill in the
2025 values later, in elf32_sparc_finish_dynamic_sections, but we
2026 must add the entries now so that we get the correct size for
2027 the .dynamic section. The DT_DEBUG entry is filled in by the
2028 dynamic linker and used by the debugger. */
2029 #define add_dynamic_entry(TAG, VAL) \
2030 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2032 if (info->executable)
2034 if (!add_dynamic_entry (DT_DEBUG, 0))
2038 if (htab->srelplt->_raw_size != 0)
2040 if (!add_dynamic_entry (DT_PLTGOT, 0)
2041 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2042 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2043 || !add_dynamic_entry (DT_JMPREL, 0))
2047 if (!add_dynamic_entry (DT_RELA, 0)
2048 || !add_dynamic_entry (DT_RELASZ, 0)
2049 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
2052 /* If any dynamic relocs apply to a read-only section,
2053 then we need a DT_TEXTREL entry. */
2054 if ((info->flags & DF_TEXTREL) == 0)
2055 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2058 if (info->flags & DF_TEXTREL)
2060 if (!add_dynamic_entry (DT_TEXTREL, 0))
2064 #undef add_dynamic_entry
2069 struct elf32_sparc_section_data
2071 struct bfd_elf_section_data elf;
2072 unsigned int do_relax;
2075 #define sec_do_relax(sec) \
2076 ((struct elf32_sparc_section_data *) elf_section_data (sec))->do_relax
2079 elf32_sparc_new_section_hook (abfd, sec)
2083 struct elf32_sparc_section_data *sdata;
2084 bfd_size_type amt = sizeof (*sdata);
2086 sdata = (struct elf32_sparc_section_data *) bfd_zalloc (abfd, amt);
2089 sec->used_by_bfd = (PTR) sdata;
2091 return _bfd_elf_new_section_hook (abfd, sec);
2095 elf32_sparc_relax_section (abfd, section, link_info, again)
2096 bfd *abfd ATTRIBUTE_UNUSED;
2097 asection *section ATTRIBUTE_UNUSED;
2098 struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
2102 sec_do_relax (section) = 1;
2106 /* Return the base VMA address which should be subtracted from real addresses
2107 when resolving @dtpoff relocation.
2108 This is PT_TLS segment p_vaddr. */
2112 struct bfd_link_info *info;
2114 /* If tls_sec is NULL, we should have signalled an error already. */
2115 if (elf_hash_table (info)->tls_sec == NULL)
2117 return elf_hash_table (info)->tls_sec->vma;
2120 /* Return the relocation value for @tpoff relocation
2121 if STT_TLS virtual address is ADDRESS. */
2124 tpoff (info, address)
2125 struct bfd_link_info *info;
2128 struct elf_link_hash_table *htab = elf_hash_table (info);
2130 /* If tls_sec is NULL, we should have signalled an error already. */
2131 if (htab->tls_sec == NULL)
2133 return address - htab->tls_size - htab->tls_sec->vma;
2136 /* Relocate a SPARC ELF section. */
2139 elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
2140 contents, relocs, local_syms, local_sections)
2142 struct bfd_link_info *info;
2144 asection *input_section;
2146 Elf_Internal_Rela *relocs;
2147 Elf_Internal_Sym *local_syms;
2148 asection **local_sections;
2150 struct elf32_sparc_link_hash_table *htab;
2151 Elf_Internal_Shdr *symtab_hdr;
2152 struct elf_link_hash_entry **sym_hashes;
2153 bfd_vma *local_got_offsets;
2156 Elf_Internal_Rela *rel;
2157 Elf_Internal_Rela *relend;
2159 if (info->relocatable)
2162 htab = elf32_sparc_hash_table (info);
2163 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2164 sym_hashes = elf_sym_hashes (input_bfd);
2165 local_got_offsets = elf_local_got_offsets (input_bfd);
2167 if (elf_hash_table (info)->hgot == NULL)
2170 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2172 sreloc = elf_section_data (input_section)->sreloc;
2175 relend = relocs + input_section->reloc_count;
2176 for (; rel < relend; rel++)
2178 int r_type, tls_type;
2179 reloc_howto_type *howto;
2180 unsigned long r_symndx;
2181 struct elf_link_hash_entry *h;
2182 Elf_Internal_Sym *sym;
2184 bfd_vma relocation, off;
2185 bfd_reloc_status_type r;
2186 bfd_boolean is_plt = FALSE;
2187 bfd_boolean unresolved_reloc;
2189 r_type = ELF32_R_TYPE (rel->r_info);
2191 if (r_type == R_SPARC_GNU_VTINHERIT
2192 || r_type == R_SPARC_GNU_VTENTRY)
2195 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2197 bfd_set_error (bfd_error_bad_value);
2200 howto = _bfd_sparc_elf_howto_table + r_type;
2202 /* This is a final link. */
2203 r_symndx = ELF32_R_SYM (rel->r_info);
2207 unresolved_reloc = FALSE;
2208 if (r_symndx < symtab_hdr->sh_info)
2210 sym = local_syms + r_symndx;
2211 sec = local_sections[r_symndx];
2212 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2216 bfd_boolean warned ATTRIBUTE_UNUSED;
2218 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2219 r_symndx, symtab_hdr, sym_hashes,
2221 unresolved_reloc, warned);
2229 /* Relocation is to the entry for this symbol in the global
2231 if (htab->sgot == NULL)
2238 off = h->got.offset;
2239 BFD_ASSERT (off != (bfd_vma) -1);
2240 dyn = elf_hash_table (info)->dynamic_sections_created;
2242 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
2246 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
2247 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
2249 /* This is actually a static link, or it is a
2250 -Bsymbolic link and the symbol is defined
2251 locally, or the symbol was forced to be local
2252 because of a version file. We must initialize
2253 this entry in the global offset table. Since the
2254 offset must always be a multiple of 4, we use the
2255 least significant bit to record whether we have
2256 initialized it already.
2258 When doing a dynamic link, we create a .rela.got
2259 relocation entry to initialize the value. This
2260 is done in the finish_dynamic_symbol routine. */
2265 bfd_put_32 (output_bfd, relocation,
2266 htab->sgot->contents + off);
2271 unresolved_reloc = FALSE;
2275 BFD_ASSERT (local_got_offsets != NULL
2276 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2278 off = local_got_offsets[r_symndx];
2280 /* The offset must always be a multiple of 4. We use
2281 the least significant bit to record whether we have
2282 already processed this entry. */
2291 Elf_Internal_Rela outrel;
2294 /* We need to generate a R_SPARC_RELATIVE reloc
2295 for the dynamic linker. */
2297 BFD_ASSERT (s != NULL);
2299 outrel.r_offset = (htab->sgot->output_section->vma
2300 + htab->sgot->output_offset
2302 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
2303 outrel.r_addend = relocation;
2306 loc += s->reloc_count++ * sizeof (Elf32_External_Rela);
2307 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2310 bfd_put_32 (output_bfd, relocation,
2311 htab->sgot->contents + off);
2312 local_got_offsets[r_symndx] |= 1;
2315 relocation = htab->sgot->output_offset + off - got_base;
2319 if (h == NULL || h->plt.offset == (bfd_vma) -1)
2321 r_type = R_SPARC_32;
2325 case R_SPARC_WPLT30:
2327 /* Relocation is to the entry for this symbol in the
2328 procedure linkage table. */
2330 /* The Solaris native assembler will generate a WPLT30 reloc
2331 for a local symbol if you assemble a call from one
2332 section to another when using -K pic. We treat it as
2337 if (h->plt.offset == (bfd_vma) -1)
2339 /* We didn't make a PLT entry for this symbol. This
2340 happens when statically linking PIC code, or when
2341 using -Bsymbolic. */
2345 if (htab->splt == NULL)
2348 relocation = (htab->splt->output_section->vma
2349 + htab->splt->output_offset
2351 unresolved_reloc = FALSE;
2352 if (r_type == R_SPARC_PLT32)
2354 r_type = R_SPARC_32;
2363 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2367 case R_SPARC_DISP16:
2368 case R_SPARC_DISP32:
2369 case R_SPARC_WDISP30:
2370 case R_SPARC_WDISP22:
2371 case R_SPARC_WDISP19:
2372 case R_SPARC_WDISP16:
2383 /* r_symndx will be zero only for relocs against symbols
2384 from removed linkonce sections, or sections discarded by
2387 || (input_section->flags & SEC_ALLOC) == 0)
2391 && (! howto->pc_relative
2394 && (! info->symbolic
2395 || (h->elf_link_hash_flags
2396 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
2400 && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
2401 && (((h->elf_link_hash_flags
2402 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
2403 && (h->elf_link_hash_flags
2404 & ELF_LINK_HASH_DEF_REGULAR) == 0)
2405 || h->root.type == bfd_link_hash_undefweak
2406 || h->root.type == bfd_link_hash_undefined)))
2408 Elf_Internal_Rela outrel;
2410 bfd_boolean skip, relocate = FALSE;
2412 /* When generating a shared object, these relocations
2413 are copied into the output file to be resolved at run
2416 BFD_ASSERT (sreloc != NULL);
2421 _bfd_elf_section_offset (output_bfd, info, input_section,
2423 if (outrel.r_offset == (bfd_vma) -1)
2425 else if (outrel.r_offset == (bfd_vma) -2)
2426 skip = TRUE, relocate = TRUE;
2427 outrel.r_offset += (input_section->output_section->vma
2428 + input_section->output_offset);
2430 /* Optimize unaligned reloc usage now that we know where
2431 it finally resides. */
2435 if (outrel.r_offset & 1)
2436 r_type = R_SPARC_UA16;
2439 if (!(outrel.r_offset & 1))
2440 r_type = R_SPARC_16;
2443 if (outrel.r_offset & 3)
2444 r_type = R_SPARC_UA32;
2447 if (!(outrel.r_offset & 3))
2448 r_type = R_SPARC_32;
2451 case R_SPARC_DISP16:
2452 case R_SPARC_DISP32:
2453 /* If the symbol is not dynamic, we should not keep
2454 a dynamic relocation. But an .rela.* slot has been
2455 allocated for it, output R_SPARC_NONE.
2456 FIXME: Add code tracking needed dynamic relocs as
2458 if (h->dynindx == -1)
2459 skip = TRUE, relocate = TRUE;
2464 memset (&outrel, 0, sizeof outrel);
2465 /* h->dynindx may be -1 if the symbol was marked to
2467 else if (h != NULL && ! is_plt
2468 && ((! info->symbolic && h->dynindx != -1)
2469 || (h->elf_link_hash_flags
2470 & ELF_LINK_HASH_DEF_REGULAR) == 0))
2472 BFD_ASSERT (h->dynindx != -1);
2473 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2474 outrel.r_addend = rel->r_addend;
2478 if (r_type == R_SPARC_32)
2480 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
2481 outrel.r_addend = relocation + rel->r_addend;
2490 if (bfd_is_abs_section (sec))
2492 else if (sec == NULL || sec->owner == NULL)
2494 bfd_set_error (bfd_error_bad_value);
2501 osec = sec->output_section;
2502 indx = elf_section_data (osec)->dynindx;
2504 /* FIXME: we really should be able to link non-pic
2505 shared libraries. */
2509 (*_bfd_error_handler)
2510 (_("%s: probably compiled without -fPIC?"),
2511 bfd_archive_filename (input_bfd));
2512 bfd_set_error (bfd_error_bad_value);
2517 outrel.r_info = ELF32_R_INFO (indx, r_type);
2518 outrel.r_addend = relocation + rel->r_addend;
2522 loc = sreloc->contents;
2523 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
2524 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2526 /* This reloc will be computed at runtime, so there's no
2527 need to do anything now. */
2533 case R_SPARC_TLS_GD_HI22:
2534 if (! elf32_sparc_tdata (input_bfd)->has_tlsgd)
2536 /* R_SPARC_REV32 used the same reloc number as
2537 R_SPARC_TLS_GD_HI22. */
2538 r_type = R_SPARC_REV32;
2543 case R_SPARC_TLS_GD_LO10:
2544 case R_SPARC_TLS_IE_HI22:
2545 case R_SPARC_TLS_IE_LO10:
2546 r_type = elf32_sparc_tls_transition (info, input_bfd, r_type,
2548 tls_type = GOT_UNKNOWN;
2549 if (h == NULL && local_got_offsets)
2550 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2553 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2554 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
2555 switch (ELF32_R_TYPE (rel->r_info))
2557 case R_SPARC_TLS_GD_HI22:
2558 case R_SPARC_TLS_IE_HI22:
2559 r_type = R_SPARC_TLS_LE_HIX22;
2562 r_type = R_SPARC_TLS_LE_LOX10;
2566 if (tls_type == GOT_TLS_IE)
2569 case R_SPARC_TLS_GD_HI22:
2570 r_type = R_SPARC_TLS_IE_HI22;
2572 case R_SPARC_TLS_GD_LO10:
2573 r_type = R_SPARC_TLS_IE_LO10;
2577 if (r_type == R_SPARC_TLS_LE_HIX22)
2579 relocation = tpoff (info, relocation);
2582 if (r_type == R_SPARC_TLS_LE_LOX10)
2584 /* Change add into xor. */
2585 relocation = tpoff (info, relocation);
2586 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
2587 contents + rel->r_offset)
2588 | 0x80182000), contents + rel->r_offset);
2594 off = h->got.offset;
2599 BFD_ASSERT (local_got_offsets != NULL);
2600 off = local_got_offsets[r_symndx];
2601 local_got_offsets[r_symndx] |= 1;
2605 if (htab->sgot == NULL)
2612 Elf_Internal_Rela outrel;
2613 Elf32_External_Rela *loc;
2616 if (htab->srelgot == NULL)
2619 bfd_put_32 (output_bfd, 0, htab->sgot->contents + off);
2620 outrel.r_offset = (htab->sgot->output_section->vma
2621 + htab->sgot->output_offset + off);
2622 indx = h && h->dynindx != -1 ? h->dynindx : 0;
2623 if (r_type == R_SPARC_TLS_IE_HI22
2624 || r_type == R_SPARC_TLS_IE_LO10)
2625 dr_type = R_SPARC_TLS_TPOFF32;
2627 dr_type = R_SPARC_TLS_DTPMOD32;
2628 if (dr_type == R_SPARC_TLS_TPOFF32 && indx == 0)
2629 outrel.r_addend = relocation - dtpoff_base (info);
2631 outrel.r_addend = 0;
2632 outrel.r_info = ELF32_R_INFO (indx, dr_type);
2633 loc = (Elf32_External_Rela *) htab->srelgot->contents;
2634 loc += htab->srelgot->reloc_count++;
2635 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2638 if (r_type == R_SPARC_TLS_GD_HI22
2639 || r_type == R_SPARC_TLS_GD_LO10)
2643 BFD_ASSERT (! unresolved_reloc);
2644 bfd_put_32 (output_bfd,
2645 relocation - dtpoff_base (info),
2646 htab->sgot->contents + off + 4);
2650 bfd_put_32 (output_bfd, 0,
2651 htab->sgot->contents + off + 4);
2652 outrel.r_info = ELF32_R_INFO (indx,
2653 R_SPARC_TLS_DTPOFF32);
2654 outrel.r_offset += 4;
2655 htab->srelgot->reloc_count++;
2657 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2661 else if (dr_type == R_SPARC_TLS_DTPMOD32)
2663 bfd_put_32 (output_bfd, 0,
2664 htab->sgot->contents + off + 4);
2668 if (off >= (bfd_vma) -2)
2671 relocation = htab->sgot->output_offset + off - got_base;
2672 unresolved_reloc = FALSE;
2673 howto = _bfd_sparc_elf_howto_table + r_type;
2676 case R_SPARC_TLS_LDM_HI22:
2677 case R_SPARC_TLS_LDM_LO10:
2680 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2683 off = htab->tls_ldm_got.offset;
2684 htab->tls_ldm_got.offset |= 1;
2685 goto r_sparc_tlsldm;
2687 case R_SPARC_TLS_LDO_HIX22:
2688 case R_SPARC_TLS_LDO_LOX10:
2690 relocation -= dtpoff_base (info);
2692 relocation = tpoff (info, relocation);
2695 case R_SPARC_TLS_LE_HIX22:
2696 case R_SPARC_TLS_LE_LOX10:
2699 Elf_Internal_Rela outrel;
2700 bfd_boolean skip, relocate = FALSE;
2702 BFD_ASSERT (sreloc != NULL);
2705 _bfd_elf_section_offset (output_bfd, info, input_section,
2707 if (outrel.r_offset == (bfd_vma) -1)
2709 else if (outrel.r_offset == (bfd_vma) -2)
2710 skip = TRUE, relocate = TRUE;
2711 outrel.r_offset += (input_section->output_section->vma
2712 + input_section->output_offset);
2714 memset (&outrel, 0, sizeof outrel);
2717 outrel.r_info = ELF32_R_INFO (0, r_type);
2718 outrel.r_addend = relocation - dtpoff_base (info)
2722 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2723 (bfd_byte *) (((Elf32_External_Rela *)
2725 + sreloc->reloc_count));
2726 ++sreloc->reloc_count;
2729 relocation = tpoff (info, relocation);
2732 case R_SPARC_TLS_LDM_CALL:
2736 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
2741 case R_SPARC_TLS_GD_CALL:
2742 tls_type = GOT_UNKNOWN;
2743 if (h == NULL && local_got_offsets)
2744 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2746 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2748 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
2752 if (!info->shared && (h == NULL || h->dynindx == -1))
2755 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2760 if (rel + 1 < relend
2761 && ELF32_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
2762 && rel[1].r_offset == rel->r_offset + 4
2763 && ELF32_R_SYM (rel[1].r_info) == r_symndx
2764 && (((insn = bfd_get_32 (input_bfd,
2765 contents + rel[1].r_offset))
2766 >> 25) & 0x1f) == 8)
2769 call __tls_get_addr, %tgd_call(foo)
2770 add %reg1, %reg2, %o0, %tgd_add(foo)
2771 and change it into IE:
2772 ld [%reg1 + %reg2], %o0, %tie_ld(foo)
2773 add %g7, %o0, %o0, %tie_add(foo).
2774 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
2775 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2. */
2776 bfd_put_32 (output_bfd, insn | 0xc0000000,
2777 contents + rel->r_offset);
2778 bfd_put_32 (output_bfd, 0x9001c008,
2779 contents + rel->r_offset + 4);
2784 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
2788 h = (struct elf_link_hash_entry *)
2789 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
2791 BFD_ASSERT (h != NULL);
2792 r_type = R_SPARC_WPLT30;
2793 howto = _bfd_sparc_elf_howto_table + r_type;
2794 goto r_sparc_wplt30;
2796 case R_SPARC_TLS_GD_ADD:
2797 tls_type = GOT_UNKNOWN;
2798 if (h == NULL && local_got_offsets)
2799 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2801 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2802 if (! info->shared || tls_type == GOT_TLS_IE)
2804 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
2806 ld [%reg1 + %reg2], %reg3, %tie_ld(foo)
2808 add %g7, %reg2, %reg3. */
2809 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2810 if ((h != NULL && h->dynindx != -1) || info->shared)
2811 relocation = insn | 0xc0000000;
2813 relocation = (insn & ~0x7c000) | 0x1c000;
2814 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
2818 case R_SPARC_TLS_LDM_ADD:
2820 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2823 case R_SPARC_TLS_LDO_ADD:
2826 /* Change rs1 into %g7. */
2827 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2828 insn = (insn & ~0x7c000) | 0x1c000;
2829 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
2833 case R_SPARC_TLS_IE_LD:
2834 case R_SPARC_TLS_IE_LDX:
2835 if (! info->shared && (h == NULL || h->dynindx == -1))
2837 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2838 int rs2 = insn & 0x1f;
2839 int rd = (insn >> 25) & 0x1f;
2842 relocation = SPARC_NOP;
2844 relocation = 0x80100000 | (insn & 0x3e00001f);
2845 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
2849 case R_SPARC_TLS_IE_ADD:
2850 /* Totally useless relocation. */
2853 case R_SPARC_TLS_DTPOFF32:
2854 relocation -= dtpoff_base (info);
2861 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
2862 because such sections are not SEC_ALLOC and thus ld.so will
2863 not process them. */
2864 if (unresolved_reloc
2865 && !((input_section->flags & SEC_DEBUGGING) != 0
2866 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
2867 (*_bfd_error_handler)
2868 (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
2869 bfd_archive_filename (input_bfd),
2870 bfd_get_section_name (input_bfd, input_section),
2871 (long) rel->r_offset,
2872 h->root.root.string);
2874 r = bfd_reloc_continue;
2875 if (r_type == R_SPARC_WDISP16)
2879 relocation += rel->r_addend;
2880 relocation -= (input_section->output_section->vma
2881 + input_section->output_offset);
2882 relocation -= rel->r_offset;
2884 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2885 x |= ((((relocation >> 2) & 0xc000) << 6)
2886 | ((relocation >> 2) & 0x3fff));
2887 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2889 if ((bfd_signed_vma) relocation < - 0x40000
2890 || (bfd_signed_vma) relocation > 0x3ffff)
2891 r = bfd_reloc_overflow;
2895 else if (r_type == R_SPARC_REV32)
2899 relocation = relocation + rel->r_addend;
2901 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2903 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
2906 else if (r_type == R_SPARC_TLS_LDO_HIX22
2907 || r_type == R_SPARC_TLS_LE_HIX22)
2911 relocation += rel->r_addend;
2912 relocation = relocation ^ 0xffffffff;
2914 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2915 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
2916 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2919 else if (r_type == R_SPARC_TLS_LDO_LOX10
2920 || r_type == R_SPARC_TLS_LE_LOX10)
2924 relocation += rel->r_addend;
2925 relocation = (relocation & 0x3ff) | 0x1c00;
2927 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2928 x = (x & ~(bfd_vma) 0x1fff) | relocation;
2929 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2933 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
2934 && sec_do_relax (input_section)
2935 && rel->r_offset + 4 < input_section->_raw_size)
2939 #define XCC (2 << 20)
2940 #define COND(x) (((x)&0xf)<<25)
2941 #define CONDA COND(0x8)
2942 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
2943 #define INSN_BA (F2(0,2) | CONDA)
2944 #define INSN_OR F3(2, 0x2, 0)
2945 #define INSN_NOP F2(0,4)
2949 /* If the instruction is a call with either:
2951 arithmetic instruction with rd == %o7
2952 where rs1 != %o7 and rs2 if it is register != %o7
2953 then we can optimize if the call destination is near
2954 by changing the call into a branch always. */
2955 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2956 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
2957 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
2959 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
2960 || ((y & OP3(0x28)) == 0 /* arithmetic */
2961 && (y & RD(~0)) == RD(O7)))
2962 && (y & RS1(~0)) != RS1(O7)
2964 || (y & RS2(~0)) != RS2(O7)))
2968 reloc = relocation + rel->r_addend - rel->r_offset;
2969 reloc -= (input_section->output_section->vma
2970 + input_section->output_offset);
2972 /* Ensure the reloc fits into simm22. */
2973 if ((reloc & 3) == 0
2974 && ((reloc & ~(bfd_vma)0x7fffff) == 0
2975 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
2979 /* Check whether it fits into simm19 on v9. */
2980 if (((reloc & 0x3c0000) == 0
2981 || (reloc & 0x3c0000) == 0x3c0000)
2982 && (elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
2983 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
2985 x = INSN_BA | (reloc & 0x3fffff); /* ba */
2986 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2988 if (rel->r_offset >= 4
2989 && (y & (0xffffffff ^ RS1(~0)))
2990 == (INSN_OR | RD(O7) | RS2(G0)))
2995 z = bfd_get_32 (input_bfd,
2996 contents + rel->r_offset - 4);
2997 if ((z & (0xffffffff ^ RD(~0)))
2998 != (INSN_OR | RS1(O7) | RS2(G0)))
3006 If call foo was replaced with ba, replace
3007 or %rN, %g0, %o7 with nop. */
3009 reg = (y & RS1(~0)) >> 14;
3010 if (reg != ((z & RD(~0)) >> 25)
3011 || reg == G0 || reg == O7)
3014 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
3015 contents + rel->r_offset + 4);
3023 if (r == bfd_reloc_continue)
3024 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3025 contents, rel->r_offset,
3026 relocation, rel->r_addend);
3028 if (r != bfd_reloc_ok)
3033 case bfd_reloc_outofrange:
3035 case bfd_reloc_overflow:
3040 name = h->root.root.string;
3043 name = bfd_elf_string_from_elf_section (input_bfd,
3044 symtab_hdr->sh_link,
3049 name = bfd_section_name (input_bfd, sec);
3051 if (! ((*info->callbacks->reloc_overflow)
3052 (info, name, howto->name, (bfd_vma) 0,
3053 input_bfd, input_section, rel->r_offset)))
3064 /* Finish up dynamic symbol handling. We set the contents of various
3065 dynamic sections here. */
3068 elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym)
3070 struct bfd_link_info *info;
3071 struct elf_link_hash_entry *h;
3072 Elf_Internal_Sym *sym;
3075 struct elf32_sparc_link_hash_table *htab;
3077 htab = elf32_sparc_hash_table (info);
3078 dynobj = htab->elf.dynobj;
3080 if (h->plt.offset != (bfd_vma) -1)
3084 Elf_Internal_Rela rela;
3087 /* This symbol has an entry in the procedure linkage table. Set
3090 BFD_ASSERT (h->dynindx != -1);
3093 srela = htab->srelplt;
3094 BFD_ASSERT (splt != NULL && srela != NULL);
3096 /* Fill in the entry in the procedure linkage table. */
3097 bfd_put_32 (output_bfd,
3098 PLT_ENTRY_WORD0 + h->plt.offset,
3099 splt->contents + h->plt.offset);
3100 bfd_put_32 (output_bfd,
3102 + (((- (h->plt.offset + 4)) >> 2) & 0x3fffff)),
3103 splt->contents + h->plt.offset + 4);
3104 bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2,
3105 splt->contents + h->plt.offset + 8);
3107 /* Fill in the entry in the .rela.plt section. */
3108 rela.r_offset = (splt->output_section->vma
3109 + splt->output_offset
3111 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
3113 loc = srela->contents;
3114 loc += (h->plt.offset / PLT_ENTRY_SIZE - 4) * sizeof (Elf32_External_Rela);
3115 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3117 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
3119 /* Mark the symbol as undefined, rather than as defined in
3120 the .plt section. Leave the value alone. */
3121 sym->st_shndx = SHN_UNDEF;
3122 /* If the symbol is weak, we do need to clear the value.
3123 Otherwise, the PLT entry would provide a definition for
3124 the symbol even if the symbol wasn't defined anywhere,
3125 and so the symbol would never be NULL. */
3126 if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
3132 if (h->got.offset != (bfd_vma) -1
3133 && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_GD
3134 && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_IE)
3138 Elf_Internal_Rela rela;
3141 /* This symbol has an entry in the global offset table. Set it
3145 srela = htab->srelgot;
3146 BFD_ASSERT (sgot != NULL && srela != NULL);
3148 rela.r_offset = (sgot->output_section->vma
3149 + sgot->output_offset
3150 + (h->got.offset &~ (bfd_vma) 1));
3152 /* If this is a -Bsymbolic link, and the symbol is defined
3153 locally, we just want to emit a RELATIVE reloc. Likewise if
3154 the symbol was forced to be local because of a version file.
3155 The entry in the global offset table will already have been
3156 initialized in the relocate_section function. */
3158 && (info->symbolic || h->dynindx == -1)
3159 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
3161 asection *sec = h->root.u.def.section;
3162 rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
3163 rela.r_addend = (h->root.u.def.value
3164 + sec->output_section->vma
3165 + sec->output_offset);
3169 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
3173 bfd_put_32 (output_bfd, (bfd_vma) 0,
3174 sgot->contents + (h->got.offset &~ (bfd_vma) 1));
3175 loc = srela->contents;
3176 loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
3177 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3180 if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
3183 Elf_Internal_Rela rela;
3186 /* This symbols needs a copy reloc. Set it up. */
3188 BFD_ASSERT (h->dynindx != -1);
3190 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3192 BFD_ASSERT (s != NULL);
3194 rela.r_offset = (h->root.u.def.value
3195 + h->root.u.def.section->output_section->vma
3196 + h->root.u.def.section->output_offset);
3197 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_COPY);
3199 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
3200 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3203 /* Mark some specially defined symbols as absolute. */
3204 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3205 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
3206 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
3207 sym->st_shndx = SHN_ABS;
3212 /* Finish up the dynamic sections. */
3215 elf32_sparc_finish_dynamic_sections (output_bfd, info)
3217 struct bfd_link_info *info;
3221 struct elf32_sparc_link_hash_table *htab;
3223 htab = elf32_sparc_hash_table (info);
3224 dynobj = htab->elf.dynobj;
3226 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3228 if (elf_hash_table (info)->dynamic_sections_created)
3231 Elf32_External_Dyn *dyncon, *dynconend;
3233 splt = bfd_get_section_by_name (dynobj, ".plt");
3234 BFD_ASSERT (splt != NULL && sdyn != NULL);
3236 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3237 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
3238 for (; dyncon < dynconend; dyncon++)
3240 Elf_Internal_Dyn dyn;
3244 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3248 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3249 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3250 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3251 default: name = NULL; size = FALSE; break;
3258 s = bfd_get_section_by_name (output_bfd, name);
3264 dyn.d_un.d_ptr = s->vma;
3267 if (s->_cooked_size != 0)
3268 dyn.d_un.d_val = s->_cooked_size;
3270 dyn.d_un.d_val = s->_raw_size;
3273 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3277 /* Clear the first four entries in the procedure linkage table,
3278 and put a nop in the last four bytes. */
3279 if (splt->_raw_size > 0)
3281 memset (splt->contents, 0, 4 * PLT_ENTRY_SIZE);
3282 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
3283 splt->contents + splt->_raw_size - 4);
3286 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 0;
3289 /* Set the first entry in the global offset table to the address of
3290 the dynamic section. */
3291 if (htab->sgot && htab->sgot->_raw_size > 0)
3294 bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgot->contents);
3296 bfd_put_32 (output_bfd,
3297 sdyn->output_section->vma + sdyn->output_offset,
3298 htab->sgot->contents);
3302 elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4;
3307 /* Functions for dealing with the e_flags field.
3309 We don't define set_private_flags or copy_private_bfd_data because
3310 the only currently defined values are based on the bfd mach number,
3311 so we use the latter instead and defer setting e_flags until the
3312 file is written out. */
3314 /* Merge backend specific data from an object file to the output
3315 object file when linking. */
3318 elf32_sparc_merge_private_bfd_data (ibfd, obfd)
3323 /* FIXME: This should not be static. */
3324 static unsigned long previous_ibfd_e_flags = (unsigned long) -1;
3326 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3327 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
3332 if (bfd_get_mach (ibfd) >= bfd_mach_sparc_v9)
3335 (*_bfd_error_handler)
3336 (_("%s: compiled for a 64 bit system and target is 32 bit"),
3337 bfd_archive_filename (ibfd));
3339 else if ((ibfd->flags & DYNAMIC) == 0)
3341 if (bfd_get_mach (obfd) < bfd_get_mach (ibfd))
3342 bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd));
3345 if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA)
3346 != previous_ibfd_e_flags)
3347 && previous_ibfd_e_flags != (unsigned long) -1)
3349 (*_bfd_error_handler)
3350 (_("%s: linking little endian files with big endian files"),
3351 bfd_archive_filename (ibfd));
3354 previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA;
3358 bfd_set_error (bfd_error_bad_value);
3365 /* Set the right machine number. */
3368 elf32_sparc_object_p (abfd)
3371 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
3373 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
3374 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3375 bfd_mach_sparc_v8plusb);
3376 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
3377 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3378 bfd_mach_sparc_v8plusa);
3379 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
3380 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3381 bfd_mach_sparc_v8plus);
3385 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
3386 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3387 bfd_mach_sparc_sparclite_le);
3389 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
3392 /* The final processing done just before writing out the object file.
3393 We need to set the e_machine field appropriately. */
3396 elf32_sparc_final_write_processing (abfd, linker)
3398 bfd_boolean linker ATTRIBUTE_UNUSED;
3400 switch (bfd_get_mach (abfd))
3402 case bfd_mach_sparc :
3403 break; /* nothing to do */
3404 case bfd_mach_sparc_v8plus :
3405 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3406 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3407 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS;
3409 case bfd_mach_sparc_v8plusa :
3410 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3411 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3412 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1;
3414 case bfd_mach_sparc_v8plusb :
3415 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3416 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3417 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1
3420 case bfd_mach_sparc_sparclite_le :
3421 elf_elfheader (abfd)->e_machine = EM_SPARC;
3422 elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA;
3430 static enum elf_reloc_type_class
3431 elf32_sparc_reloc_type_class (rela)
3432 const Elf_Internal_Rela *rela;
3434 switch ((int) ELF32_R_TYPE (rela->r_info))
3436 case R_SPARC_RELATIVE:
3437 return reloc_class_relative;
3438 case R_SPARC_JMP_SLOT:
3439 return reloc_class_plt;
3441 return reloc_class_copy;
3443 return reloc_class_normal;
3447 #define TARGET_BIG_SYM bfd_elf32_sparc_vec
3448 #define TARGET_BIG_NAME "elf32-sparc"
3449 #define ELF_ARCH bfd_arch_sparc
3450 #define ELF_MACHINE_CODE EM_SPARC
3451 #define ELF_MACHINE_ALT1 EM_SPARC32PLUS
3452 #define ELF_MAXPAGESIZE 0x10000
3454 #define bfd_elf32_bfd_reloc_type_lookup elf32_sparc_reloc_type_lookup
3455 #define bfd_elf32_bfd_link_hash_table_create \
3456 elf32_sparc_link_hash_table_create
3457 #define bfd_elf32_bfd_relax_section elf32_sparc_relax_section
3458 #define bfd_elf32_new_section_hook elf32_sparc_new_section_hook
3459 #define elf_info_to_howto elf32_sparc_info_to_howto
3460 #define elf_backend_copy_indirect_symbol \
3461 elf32_sparc_copy_indirect_symbol
3462 #define elf_backend_create_dynamic_sections \
3463 elf32_sparc_create_dynamic_sections
3464 #define elf_backend_check_relocs elf32_sparc_check_relocs
3465 #define elf_backend_adjust_dynamic_symbol \
3466 elf32_sparc_adjust_dynamic_symbol
3467 #define elf_backend_size_dynamic_sections \
3468 elf32_sparc_size_dynamic_sections
3469 #define elf_backend_relocate_section elf32_sparc_relocate_section
3470 #define elf_backend_finish_dynamic_symbol \
3471 elf32_sparc_finish_dynamic_symbol
3472 #define elf_backend_finish_dynamic_sections \
3473 elf32_sparc_finish_dynamic_sections
3474 #define bfd_elf32_bfd_merge_private_bfd_data \
3475 elf32_sparc_merge_private_bfd_data
3476 #define bfd_elf32_mkobject elf32_sparc_mkobject
3477 #define elf_backend_object_p elf32_sparc_object_p
3478 #define elf_backend_final_write_processing \
3479 elf32_sparc_final_write_processing
3480 #define elf_backend_gc_mark_hook elf32_sparc_gc_mark_hook
3481 #define elf_backend_gc_sweep_hook elf32_sparc_gc_sweep_hook
3482 #define elf_backend_grok_psinfo elf32_sparc_grok_psinfo
3483 #define elf_backend_reloc_type_class elf32_sparc_reloc_type_class
3485 #define elf_backend_can_gc_sections 1
3486 #define elf_backend_can_refcount 1
3487 #define elf_backend_want_got_plt 0
3488 #define elf_backend_plt_readonly 0
3489 #define elf_backend_want_plt_sym 1
3490 #define elf_backend_got_header_size 4
3491 #define elf_backend_rela_normal 1
3493 #include "elf32-target.h"