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 > bfd_get_section_limit (abfd, input_section))
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 > bfd_get_section_limit (abfd, input_section))
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 > bfd_get_section_limit (abfd, input_section))
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_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1274 case R_SPARC_GNU_VTENTRY:
1275 if (!bfd_elf_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->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->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
1578 if (power_of_two > bfd_get_section_alignment (dynobj, s))
1580 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
1584 /* Define the symbol as being at this point in the section. */
1585 h->root.u.def.section = s;
1586 h->root.u.def.value = s->size;
1588 /* Increment the section size to make room for the symbol. */
1594 /* Allocate space in .plt, .got and associated reloc sections for
1598 allocate_dynrelocs (h, inf)
1599 struct elf_link_hash_entry *h;
1602 struct bfd_link_info *info;
1603 struct elf32_sparc_link_hash_table *htab;
1604 struct elf32_sparc_link_hash_entry *eh;
1605 struct elf32_sparc_dyn_relocs *p;
1607 if (h->root.type == bfd_link_hash_indirect)
1610 if (h->root.type == bfd_link_hash_warning)
1611 /* When warning symbols are created, they **replace** the "real"
1612 entry in the hash table, thus we never get to see the real
1613 symbol in a hash traversal. So look at it now. */
1614 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1616 info = (struct bfd_link_info *) inf;
1617 htab = elf32_sparc_hash_table (info);
1619 if (htab->elf.dynamic_sections_created
1620 && h->plt.refcount > 0)
1622 /* Make sure this symbol is output as a dynamic symbol.
1623 Undefined weak syms won't yet be marked as dynamic. */
1624 if (h->dynindx == -1
1625 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1627 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1631 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
1633 asection *s = htab->splt;
1635 /* The first four entries in .plt are reserved. */
1637 s->size = 4 * PLT_ENTRY_SIZE;
1639 /* The procedure linkage table has a maximum size. */
1640 if (s->size >= 0x400000)
1642 bfd_set_error (bfd_error_bad_value);
1646 h->plt.offset = s->size;
1648 /* If this symbol is not defined in a regular file, and we are
1649 not generating a shared library, then set the symbol to this
1650 location in the .plt. This is required to make function
1651 pointers compare as equal between the normal executable and
1652 the shared library. */
1654 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1656 h->root.u.def.section = s;
1657 h->root.u.def.value = h->plt.offset;
1660 /* Make room for this entry. */
1661 s->size += PLT_ENTRY_SIZE;
1663 /* We also need to make an entry in the .rela.plt section. */
1664 htab->srelplt->size += sizeof (Elf32_External_Rela);
1668 h->plt.offset = (bfd_vma) -1;
1669 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
1674 h->plt.offset = (bfd_vma) -1;
1675 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
1678 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
1679 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
1680 if (h->got.refcount > 0
1683 && elf32_sparc_hash_entry(h)->tls_type == GOT_TLS_IE)
1684 h->got.offset = (bfd_vma) -1;
1685 else if (h->got.refcount > 0)
1689 int tls_type = elf32_sparc_hash_entry(h)->tls_type;
1691 /* Make sure this symbol is output as a dynamic symbol.
1692 Undefined weak syms won't yet be marked as dynamic. */
1693 if (h->dynindx == -1
1694 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1696 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1701 h->got.offset = s->size;
1703 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
1704 if (tls_type == GOT_TLS_GD)
1706 dyn = htab->elf.dynamic_sections_created;
1707 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
1708 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
1710 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1711 || tls_type == GOT_TLS_IE)
1712 htab->srelgot->size += sizeof (Elf32_External_Rela);
1713 else if (tls_type == GOT_TLS_GD)
1714 htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
1715 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
1716 htab->srelgot->size += sizeof (Elf32_External_Rela);
1719 h->got.offset = (bfd_vma) -1;
1721 eh = (struct elf32_sparc_link_hash_entry *) h;
1722 if (eh->dyn_relocs == NULL)
1725 /* In the shared -Bsymbolic case, discard space allocated for
1726 dynamic pc-relative relocs against symbols which turn out to be
1727 defined in regular objects. For the normal shared case, discard
1728 space for pc-relative relocs that have become local due to symbol
1729 visibility changes. */
1733 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
1734 && ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0
1737 struct elf32_sparc_dyn_relocs **pp;
1739 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
1741 p->count -= p->pc_count;
1752 /* For the non-shared case, discard space for relocs against
1753 symbols which turn out to need copy relocs or are not
1756 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
1757 && (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
1758 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1759 || (htab->elf.dynamic_sections_created
1760 && (h->root.type == bfd_link_hash_undefweak
1761 || h->root.type == bfd_link_hash_undefined))))
1763 /* Make sure this symbol is output as a dynamic symbol.
1764 Undefined weak syms won't yet be marked as dynamic. */
1765 if (h->dynindx == -1
1766 && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
1768 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1772 /* If that succeeded, we know we'll be keeping all the
1774 if (h->dynindx != -1)
1778 eh->dyn_relocs = NULL;
1783 /* Finally, allocate space. */
1784 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1786 asection *sreloc = elf_section_data (p->sec)->sreloc;
1787 sreloc->size += p->count * sizeof (Elf32_External_Rela);
1793 /* Find any dynamic relocs that apply to read-only sections. */
1796 readonly_dynrelocs (h, inf)
1797 struct elf_link_hash_entry *h;
1800 struct elf32_sparc_link_hash_entry *eh;
1801 struct elf32_sparc_dyn_relocs *p;
1803 if (h->root.type == bfd_link_hash_warning)
1804 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1806 eh = (struct elf32_sparc_link_hash_entry *) h;
1807 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1809 asection *s = p->sec->output_section;
1811 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1813 struct bfd_link_info *info = (struct bfd_link_info *) inf;
1815 info->flags |= DF_TEXTREL;
1817 /* Not an error, just cut short the traversal. */
1824 /* Set the sizes of the dynamic sections. */
1827 elf32_sparc_size_dynamic_sections (output_bfd, info)
1828 bfd *output_bfd ATTRIBUTE_UNUSED;
1829 struct bfd_link_info *info;
1831 struct elf32_sparc_link_hash_table *htab;
1836 htab = elf32_sparc_hash_table (info);
1837 dynobj = htab->elf.dynobj;
1838 BFD_ASSERT (dynobj != NULL);
1840 if (elf_hash_table (info)->dynamic_sections_created)
1842 /* Set the contents of the .interp section to the interpreter. */
1843 if (info->executable)
1845 s = bfd_get_section_by_name (dynobj, ".interp");
1846 BFD_ASSERT (s != NULL);
1847 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
1848 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
1852 /* Set up .got offsets for local syms, and space for local dynamic
1854 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
1856 bfd_signed_vma *local_got;
1857 bfd_signed_vma *end_local_got;
1858 char *local_tls_type;
1859 bfd_size_type locsymcount;
1860 Elf_Internal_Shdr *symtab_hdr;
1863 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
1866 for (s = ibfd->sections; s != NULL; s = s->next)
1868 struct elf32_sparc_dyn_relocs *p;
1870 for (p = *((struct elf32_sparc_dyn_relocs **)
1871 &elf_section_data (s)->local_dynrel);
1875 if (!bfd_is_abs_section (p->sec)
1876 && bfd_is_abs_section (p->sec->output_section))
1878 /* Input section has been discarded, either because
1879 it is a copy of a linkonce section or due to
1880 linker script /DISCARD/, so we'll be discarding
1883 else if (p->count != 0)
1885 srel = elf_section_data (p->sec)->sreloc;
1886 srel->size += p->count * sizeof (Elf32_External_Rela);
1887 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
1888 info->flags |= DF_TEXTREL;
1893 local_got = elf_local_got_refcounts (ibfd);
1897 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
1898 locsymcount = symtab_hdr->sh_info;
1899 end_local_got = local_got + locsymcount;
1900 local_tls_type = elf32_sparc_local_got_tls_type (ibfd);
1902 srel = htab->srelgot;
1903 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
1907 *local_got = s->size;
1909 if (*local_tls_type == GOT_TLS_GD)
1912 || *local_tls_type == GOT_TLS_GD
1913 || *local_tls_type == GOT_TLS_IE)
1914 srel->size += sizeof (Elf32_External_Rela);
1917 *local_got = (bfd_vma) -1;
1921 if (htab->tls_ldm_got.refcount > 0)
1923 /* Allocate 2 got entries and 1 dynamic reloc for
1924 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
1925 htab->tls_ldm_got.offset = htab->sgot->size;
1926 htab->sgot->size += 8;
1927 htab->srelgot->size += sizeof (Elf32_External_Rela);
1930 htab->tls_ldm_got.offset = -1;
1932 /* Allocate global sym .plt and .got entries, and space for global
1933 sym dynamic relocs. */
1934 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
1936 if (elf_hash_table (info)->dynamic_sections_created)
1938 /* Make space for the trailing nop in .plt. */
1939 if (htab->splt->size > 0)
1940 htab->splt->size += 4;
1942 /* If the .got section is more than 0x1000 bytes, we add
1943 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
1944 bit relocations have a greater chance of working. */
1945 if (htab->sgot->size >= 0x1000
1946 && elf_hash_table (info)->hgot->root.u.def.value == 0)
1947 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
1950 /* The check_relocs and adjust_dynamic_symbol entry points have
1951 determined the sizes of the various dynamic sections. Allocate
1953 for (s = dynobj->sections; s != NULL; s = s->next)
1956 bfd_boolean strip = FALSE;
1958 if ((s->flags & SEC_LINKER_CREATED) == 0)
1961 /* It's OK to base decisions on the section name, because none
1962 of the dynobj section names depend upon the input files. */
1963 name = bfd_get_section_name (dynobj, s);
1965 if (strncmp (name, ".rela", 5) == 0)
1969 /* If we don't need this section, strip it from the
1970 output file. This is to handle .rela.bss and
1971 .rel.plt. We must create it in
1972 create_dynamic_sections, because it must be created
1973 before the linker maps input sections to output
1974 sections. The linker does that before
1975 adjust_dynamic_symbol is called, and it is that
1976 function which decides whether anything needs to go
1977 into these sections. */
1982 /* We use the reloc_count field as a counter if we need
1983 to copy relocs into the output file. */
1987 else if (s != htab->splt && s != htab->sgot)
1989 /* It's not one of our sections, so don't allocate space. */
1995 _bfd_strip_section_from_output (info, s);
1999 /* Allocate memory for the section contents. */
2000 /* FIXME: This should be a call to bfd_alloc not bfd_zalloc.
2001 Unused entries should be reclaimed before the section's contents
2002 are written out, but at the moment this does not happen. Thus in
2003 order to prevent writing out garbage, we initialise the section's
2004 contents to zero. */
2005 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2006 if (s->contents == NULL && s->size != 0)
2010 if (elf_hash_table (info)->dynamic_sections_created)
2012 /* Add some entries to the .dynamic section. We fill in the
2013 values later, in elf32_sparc_finish_dynamic_sections, but we
2014 must add the entries now so that we get the correct size for
2015 the .dynamic section. The DT_DEBUG entry is filled in by the
2016 dynamic linker and used by the debugger. */
2017 #define add_dynamic_entry(TAG, VAL) \
2018 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2020 if (info->executable)
2022 if (!add_dynamic_entry (DT_DEBUG, 0))
2026 if (htab->srelplt->size != 0)
2028 if (!add_dynamic_entry (DT_PLTGOT, 0)
2029 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2030 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2031 || !add_dynamic_entry (DT_JMPREL, 0))
2035 if (!add_dynamic_entry (DT_RELA, 0)
2036 || !add_dynamic_entry (DT_RELASZ, 0)
2037 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
2040 /* If any dynamic relocs apply to a read-only section,
2041 then we need a DT_TEXTREL entry. */
2042 if ((info->flags & DF_TEXTREL) == 0)
2043 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2046 if (info->flags & DF_TEXTREL)
2048 if (!add_dynamic_entry (DT_TEXTREL, 0))
2052 #undef add_dynamic_entry
2057 struct elf32_sparc_section_data
2059 struct bfd_elf_section_data elf;
2060 unsigned int do_relax;
2063 #define sec_do_relax(sec) \
2064 ((struct elf32_sparc_section_data *) elf_section_data (sec))->do_relax
2067 elf32_sparc_new_section_hook (abfd, sec)
2071 struct elf32_sparc_section_data *sdata;
2072 bfd_size_type amt = sizeof (*sdata);
2074 sdata = (struct elf32_sparc_section_data *) bfd_zalloc (abfd, amt);
2077 sec->used_by_bfd = (PTR) sdata;
2079 return _bfd_elf_new_section_hook (abfd, sec);
2083 elf32_sparc_relax_section (abfd, section, link_info, again)
2084 bfd *abfd ATTRIBUTE_UNUSED;
2085 asection *section ATTRIBUTE_UNUSED;
2086 struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
2090 sec_do_relax (section) = 1;
2094 /* Return the base VMA address which should be subtracted from real addresses
2095 when resolving @dtpoff relocation.
2096 This is PT_TLS segment p_vaddr. */
2100 struct bfd_link_info *info;
2102 /* If tls_sec is NULL, we should have signalled an error already. */
2103 if (elf_hash_table (info)->tls_sec == NULL)
2105 return elf_hash_table (info)->tls_sec->vma;
2108 /* Return the relocation value for @tpoff relocation
2109 if STT_TLS virtual address is ADDRESS. */
2112 tpoff (info, address)
2113 struct bfd_link_info *info;
2116 struct elf_link_hash_table *htab = elf_hash_table (info);
2118 /* If tls_sec is NULL, we should have signalled an error already. */
2119 if (htab->tls_sec == NULL)
2121 return address - htab->tls_size - htab->tls_sec->vma;
2124 /* Relocate a SPARC ELF section. */
2127 elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
2128 contents, relocs, local_syms, local_sections)
2130 struct bfd_link_info *info;
2132 asection *input_section;
2134 Elf_Internal_Rela *relocs;
2135 Elf_Internal_Sym *local_syms;
2136 asection **local_sections;
2138 struct elf32_sparc_link_hash_table *htab;
2139 Elf_Internal_Shdr *symtab_hdr;
2140 struct elf_link_hash_entry **sym_hashes;
2141 bfd_vma *local_got_offsets;
2144 Elf_Internal_Rela *rel;
2145 Elf_Internal_Rela *relend;
2147 if (info->relocatable)
2150 htab = elf32_sparc_hash_table (info);
2151 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2152 sym_hashes = elf_sym_hashes (input_bfd);
2153 local_got_offsets = elf_local_got_offsets (input_bfd);
2155 if (elf_hash_table (info)->hgot == NULL)
2158 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2160 sreloc = elf_section_data (input_section)->sreloc;
2163 relend = relocs + input_section->reloc_count;
2164 for (; rel < relend; rel++)
2166 int r_type, tls_type;
2167 reloc_howto_type *howto;
2168 unsigned long r_symndx;
2169 struct elf_link_hash_entry *h;
2170 Elf_Internal_Sym *sym;
2172 bfd_vma relocation, off;
2173 bfd_reloc_status_type r;
2174 bfd_boolean is_plt = FALSE;
2175 bfd_boolean unresolved_reloc;
2177 r_type = ELF32_R_TYPE (rel->r_info);
2179 if (r_type == R_SPARC_GNU_VTINHERIT
2180 || r_type == R_SPARC_GNU_VTENTRY)
2183 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2185 bfd_set_error (bfd_error_bad_value);
2188 howto = _bfd_sparc_elf_howto_table + r_type;
2190 /* This is a final link. */
2191 r_symndx = ELF32_R_SYM (rel->r_info);
2195 unresolved_reloc = FALSE;
2196 if (r_symndx < symtab_hdr->sh_info)
2198 sym = local_syms + r_symndx;
2199 sec = local_sections[r_symndx];
2200 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2204 bfd_boolean warned ATTRIBUTE_UNUSED;
2206 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2207 r_symndx, symtab_hdr, sym_hashes,
2209 unresolved_reloc, warned);
2217 /* Relocation is to the entry for this symbol in the global
2219 if (htab->sgot == NULL)
2226 off = h->got.offset;
2227 BFD_ASSERT (off != (bfd_vma) -1);
2228 dyn = elf_hash_table (info)->dynamic_sections_created;
2230 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2234 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
2235 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
2237 /* This is actually a static link, or it is a
2238 -Bsymbolic link and the symbol is defined
2239 locally, or the symbol was forced to be local
2240 because of a version file. We must initialize
2241 this entry in the global offset table. Since the
2242 offset must always be a multiple of 4, we use the
2243 least significant bit to record whether we have
2244 initialized it already.
2246 When doing a dynamic link, we create a .rela.got
2247 relocation entry to initialize the value. This
2248 is done in the finish_dynamic_symbol routine. */
2253 bfd_put_32 (output_bfd, relocation,
2254 htab->sgot->contents + off);
2259 unresolved_reloc = FALSE;
2263 BFD_ASSERT (local_got_offsets != NULL
2264 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2266 off = local_got_offsets[r_symndx];
2268 /* The offset must always be a multiple of 4. We use
2269 the least significant bit to record whether we have
2270 already processed this entry. */
2279 Elf_Internal_Rela outrel;
2282 /* We need to generate a R_SPARC_RELATIVE reloc
2283 for the dynamic linker. */
2285 BFD_ASSERT (s != NULL);
2287 outrel.r_offset = (htab->sgot->output_section->vma
2288 + htab->sgot->output_offset
2290 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
2291 outrel.r_addend = relocation;
2294 loc += s->reloc_count++ * sizeof (Elf32_External_Rela);
2295 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2298 bfd_put_32 (output_bfd, relocation,
2299 htab->sgot->contents + off);
2300 local_got_offsets[r_symndx] |= 1;
2303 relocation = htab->sgot->output_offset + off - got_base;
2307 if (h == NULL || h->plt.offset == (bfd_vma) -1)
2309 r_type = R_SPARC_32;
2313 case R_SPARC_WPLT30:
2315 /* Relocation is to the entry for this symbol in the
2316 procedure linkage table. */
2318 /* The Solaris native assembler will generate a WPLT30 reloc
2319 for a local symbol if you assemble a call from one
2320 section to another when using -K pic. We treat it as
2325 if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
2327 /* We didn't make a PLT entry for this symbol. This
2328 happens when statically linking PIC code, or when
2329 using -Bsymbolic. */
2333 relocation = (htab->splt->output_section->vma
2334 + htab->splt->output_offset
2336 unresolved_reloc = FALSE;
2337 if (r_type == R_SPARC_PLT32)
2339 r_type = R_SPARC_32;
2348 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2352 case R_SPARC_DISP16:
2353 case R_SPARC_DISP32:
2354 case R_SPARC_WDISP30:
2355 case R_SPARC_WDISP22:
2356 case R_SPARC_WDISP19:
2357 case R_SPARC_WDISP16:
2368 /* r_symndx will be zero only for relocs against symbols
2369 from removed linkonce sections, or sections discarded by
2372 || (input_section->flags & SEC_ALLOC) == 0)
2377 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2378 || h->root.type != bfd_link_hash_undefweak)
2379 && (! howto->pc_relative
2382 && (! info->symbolic
2383 || (h->elf_link_hash_flags
2384 & ELF_LINK_HASH_DEF_REGULAR) == 0))))
2388 && (h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
2389 && (((h->elf_link_hash_flags
2390 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
2391 && (h->elf_link_hash_flags
2392 & ELF_LINK_HASH_DEF_REGULAR) == 0)
2393 || h->root.type == bfd_link_hash_undefweak
2394 || h->root.type == bfd_link_hash_undefined)))
2396 Elf_Internal_Rela outrel;
2398 bfd_boolean skip, relocate = FALSE;
2400 /* When generating a shared object, these relocations
2401 are copied into the output file to be resolved at run
2404 BFD_ASSERT (sreloc != NULL);
2409 _bfd_elf_section_offset (output_bfd, info, input_section,
2411 if (outrel.r_offset == (bfd_vma) -1)
2413 else if (outrel.r_offset == (bfd_vma) -2)
2414 skip = TRUE, relocate = TRUE;
2415 outrel.r_offset += (input_section->output_section->vma
2416 + input_section->output_offset);
2418 /* Optimize unaligned reloc usage now that we know where
2419 it finally resides. */
2423 if (outrel.r_offset & 1)
2424 r_type = R_SPARC_UA16;
2427 if (!(outrel.r_offset & 1))
2428 r_type = R_SPARC_16;
2431 if (outrel.r_offset & 3)
2432 r_type = R_SPARC_UA32;
2435 if (!(outrel.r_offset & 3))
2436 r_type = R_SPARC_32;
2439 case R_SPARC_DISP16:
2440 case R_SPARC_DISP32:
2441 /* If the symbol is not dynamic, we should not keep
2442 a dynamic relocation. But an .rela.* slot has been
2443 allocated for it, output R_SPARC_NONE.
2444 FIXME: Add code tracking needed dynamic relocs as
2446 if (h->dynindx == -1)
2447 skip = TRUE, relocate = TRUE;
2452 memset (&outrel, 0, sizeof outrel);
2453 /* h->dynindx may be -1 if the symbol was marked to
2455 else if (h != NULL && ! is_plt
2456 && ((! info->symbolic && h->dynindx != -1)
2457 || (h->elf_link_hash_flags
2458 & ELF_LINK_HASH_DEF_REGULAR) == 0))
2460 BFD_ASSERT (h->dynindx != -1);
2461 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2462 outrel.r_addend = rel->r_addend;
2466 if (r_type == R_SPARC_32)
2468 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
2469 outrel.r_addend = relocation + rel->r_addend;
2478 if (bfd_is_abs_section (sec))
2480 else if (sec == NULL || sec->owner == NULL)
2482 bfd_set_error (bfd_error_bad_value);
2489 osec = sec->output_section;
2490 indx = elf_section_data (osec)->dynindx;
2492 /* FIXME: we really should be able to link non-pic
2493 shared libraries. */
2497 (*_bfd_error_handler)
2498 (_("%s: probably compiled without -fPIC?"),
2499 bfd_archive_filename (input_bfd));
2500 bfd_set_error (bfd_error_bad_value);
2505 outrel.r_info = ELF32_R_INFO (indx, r_type);
2506 outrel.r_addend = relocation + rel->r_addend;
2510 loc = sreloc->contents;
2511 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
2512 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2514 /* This reloc will be computed at runtime, so there's no
2515 need to do anything now. */
2521 case R_SPARC_TLS_GD_HI22:
2522 if (! elf32_sparc_tdata (input_bfd)->has_tlsgd)
2524 /* R_SPARC_REV32 used the same reloc number as
2525 R_SPARC_TLS_GD_HI22. */
2526 r_type = R_SPARC_REV32;
2531 case R_SPARC_TLS_GD_LO10:
2532 case R_SPARC_TLS_IE_HI22:
2533 case R_SPARC_TLS_IE_LO10:
2534 r_type = elf32_sparc_tls_transition (info, input_bfd, r_type,
2536 tls_type = GOT_UNKNOWN;
2537 if (h == NULL && local_got_offsets)
2538 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2541 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2542 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
2543 switch (ELF32_R_TYPE (rel->r_info))
2545 case R_SPARC_TLS_GD_HI22:
2546 case R_SPARC_TLS_IE_HI22:
2547 r_type = R_SPARC_TLS_LE_HIX22;
2550 r_type = R_SPARC_TLS_LE_LOX10;
2554 if (tls_type == GOT_TLS_IE)
2557 case R_SPARC_TLS_GD_HI22:
2558 r_type = R_SPARC_TLS_IE_HI22;
2560 case R_SPARC_TLS_GD_LO10:
2561 r_type = R_SPARC_TLS_IE_LO10;
2565 if (r_type == R_SPARC_TLS_LE_HIX22)
2567 relocation = tpoff (info, relocation);
2570 if (r_type == R_SPARC_TLS_LE_LOX10)
2572 /* Change add into xor. */
2573 relocation = tpoff (info, relocation);
2574 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
2575 contents + rel->r_offset)
2576 | 0x80182000), contents + rel->r_offset);
2582 off = h->got.offset;
2587 BFD_ASSERT (local_got_offsets != NULL);
2588 off = local_got_offsets[r_symndx];
2589 local_got_offsets[r_symndx] |= 1;
2593 if (htab->sgot == NULL)
2600 Elf_Internal_Rela outrel;
2601 Elf32_External_Rela *loc;
2604 if (htab->srelgot == NULL)
2607 bfd_put_32 (output_bfd, 0, htab->sgot->contents + off);
2608 outrel.r_offset = (htab->sgot->output_section->vma
2609 + htab->sgot->output_offset + off);
2610 indx = h && h->dynindx != -1 ? h->dynindx : 0;
2611 if (r_type == R_SPARC_TLS_IE_HI22
2612 || r_type == R_SPARC_TLS_IE_LO10)
2613 dr_type = R_SPARC_TLS_TPOFF32;
2615 dr_type = R_SPARC_TLS_DTPMOD32;
2616 if (dr_type == R_SPARC_TLS_TPOFF32 && indx == 0)
2617 outrel.r_addend = relocation - dtpoff_base (info);
2619 outrel.r_addend = 0;
2620 outrel.r_info = ELF32_R_INFO (indx, dr_type);
2621 loc = (Elf32_External_Rela *) htab->srelgot->contents;
2622 loc += htab->srelgot->reloc_count++;
2623 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2626 if (r_type == R_SPARC_TLS_GD_HI22
2627 || r_type == R_SPARC_TLS_GD_LO10)
2631 BFD_ASSERT (! unresolved_reloc);
2632 bfd_put_32 (output_bfd,
2633 relocation - dtpoff_base (info),
2634 htab->sgot->contents + off + 4);
2638 bfd_put_32 (output_bfd, 0,
2639 htab->sgot->contents + off + 4);
2640 outrel.r_info = ELF32_R_INFO (indx,
2641 R_SPARC_TLS_DTPOFF32);
2642 outrel.r_offset += 4;
2643 htab->srelgot->reloc_count++;
2645 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2649 else if (dr_type == R_SPARC_TLS_DTPMOD32)
2651 bfd_put_32 (output_bfd, 0,
2652 htab->sgot->contents + off + 4);
2656 if (off >= (bfd_vma) -2)
2659 relocation = htab->sgot->output_offset + off - got_base;
2660 unresolved_reloc = FALSE;
2661 howto = _bfd_sparc_elf_howto_table + r_type;
2664 case R_SPARC_TLS_LDM_HI22:
2665 case R_SPARC_TLS_LDM_LO10:
2668 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2671 off = htab->tls_ldm_got.offset;
2672 htab->tls_ldm_got.offset |= 1;
2673 goto r_sparc_tlsldm;
2675 case R_SPARC_TLS_LDO_HIX22:
2676 case R_SPARC_TLS_LDO_LOX10:
2678 relocation -= dtpoff_base (info);
2680 relocation = tpoff (info, relocation);
2683 case R_SPARC_TLS_LE_HIX22:
2684 case R_SPARC_TLS_LE_LOX10:
2687 Elf_Internal_Rela outrel;
2688 bfd_boolean skip, relocate = FALSE;
2690 BFD_ASSERT (sreloc != NULL);
2693 _bfd_elf_section_offset (output_bfd, info, input_section,
2695 if (outrel.r_offset == (bfd_vma) -1)
2697 else if (outrel.r_offset == (bfd_vma) -2)
2698 skip = TRUE, relocate = TRUE;
2699 outrel.r_offset += (input_section->output_section->vma
2700 + input_section->output_offset);
2702 memset (&outrel, 0, sizeof outrel);
2705 outrel.r_info = ELF32_R_INFO (0, r_type);
2706 outrel.r_addend = relocation - dtpoff_base (info)
2710 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
2711 (bfd_byte *) (((Elf32_External_Rela *)
2713 + sreloc->reloc_count));
2714 ++sreloc->reloc_count;
2717 relocation = tpoff (info, relocation);
2720 case R_SPARC_TLS_LDM_CALL:
2724 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
2729 case R_SPARC_TLS_GD_CALL:
2730 tls_type = GOT_UNKNOWN;
2731 if (h == NULL && local_got_offsets)
2732 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2734 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2736 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
2740 if (!info->shared && (h == NULL || h->dynindx == -1))
2743 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2748 if (rel + 1 < relend
2749 && ELF32_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
2750 && rel[1].r_offset == rel->r_offset + 4
2751 && ELF32_R_SYM (rel[1].r_info) == r_symndx
2752 && (((insn = bfd_get_32 (input_bfd,
2753 contents + rel[1].r_offset))
2754 >> 25) & 0x1f) == 8)
2757 call __tls_get_addr, %tgd_call(foo)
2758 add %reg1, %reg2, %o0, %tgd_add(foo)
2759 and change it into IE:
2760 ld [%reg1 + %reg2], %o0, %tie_ld(foo)
2761 add %g7, %o0, %o0, %tie_add(foo).
2762 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
2763 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2. */
2764 bfd_put_32 (output_bfd, insn | 0xc0000000,
2765 contents + rel->r_offset);
2766 bfd_put_32 (output_bfd, 0x9001c008,
2767 contents + rel->r_offset + 4);
2772 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
2776 h = (struct elf_link_hash_entry *)
2777 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
2779 BFD_ASSERT (h != NULL);
2780 r_type = R_SPARC_WPLT30;
2781 howto = _bfd_sparc_elf_howto_table + r_type;
2782 goto r_sparc_wplt30;
2784 case R_SPARC_TLS_GD_ADD:
2785 tls_type = GOT_UNKNOWN;
2786 if (h == NULL && local_got_offsets)
2787 tls_type = elf32_sparc_local_got_tls_type (input_bfd) [r_symndx];
2789 tls_type = elf32_sparc_hash_entry(h)->tls_type;
2790 if (! info->shared || tls_type == GOT_TLS_IE)
2792 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
2794 ld [%reg1 + %reg2], %reg3, %tie_ld(foo)
2796 add %g7, %reg2, %reg3. */
2797 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2798 if ((h != NULL && h->dynindx != -1) || info->shared)
2799 relocation = insn | 0xc0000000;
2801 relocation = (insn & ~0x7c000) | 0x1c000;
2802 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
2806 case R_SPARC_TLS_LDM_ADD:
2808 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2811 case R_SPARC_TLS_LDO_ADD:
2814 /* Change rs1 into %g7. */
2815 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2816 insn = (insn & ~0x7c000) | 0x1c000;
2817 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
2821 case R_SPARC_TLS_IE_LD:
2822 case R_SPARC_TLS_IE_LDX:
2823 if (! info->shared && (h == NULL || h->dynindx == -1))
2825 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
2826 int rs2 = insn & 0x1f;
2827 int rd = (insn >> 25) & 0x1f;
2830 relocation = SPARC_NOP;
2832 relocation = 0x80100000 | (insn & 0x3e00001f);
2833 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
2837 case R_SPARC_TLS_IE_ADD:
2838 /* Totally useless relocation. */
2841 case R_SPARC_TLS_DTPOFF32:
2842 relocation -= dtpoff_base (info);
2849 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
2850 because such sections are not SEC_ALLOC and thus ld.so will
2851 not process them. */
2852 if (unresolved_reloc
2853 && !((input_section->flags & SEC_DEBUGGING) != 0
2854 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
2855 (*_bfd_error_handler)
2856 (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
2857 bfd_archive_filename (input_bfd),
2858 bfd_get_section_name (input_bfd, input_section),
2859 (long) rel->r_offset,
2860 h->root.root.string);
2862 r = bfd_reloc_continue;
2863 if (r_type == R_SPARC_WDISP16)
2867 relocation += rel->r_addend;
2868 relocation -= (input_section->output_section->vma
2869 + input_section->output_offset);
2870 relocation -= rel->r_offset;
2872 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2873 x |= ((((relocation >> 2) & 0xc000) << 6)
2874 | ((relocation >> 2) & 0x3fff));
2875 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2877 if ((bfd_signed_vma) relocation < - 0x40000
2878 || (bfd_signed_vma) relocation > 0x3ffff)
2879 r = bfd_reloc_overflow;
2883 else if (r_type == R_SPARC_REV32)
2887 relocation = relocation + rel->r_addend;
2889 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2891 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
2894 else if (r_type == R_SPARC_TLS_LDO_HIX22
2895 || r_type == R_SPARC_TLS_LE_HIX22)
2899 relocation += rel->r_addend;
2900 relocation = relocation ^ 0xffffffff;
2902 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2903 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
2904 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2907 else if (r_type == R_SPARC_TLS_LDO_LOX10
2908 || r_type == R_SPARC_TLS_LE_LOX10)
2912 relocation += rel->r_addend;
2913 relocation = (relocation & 0x3ff) | 0x1c00;
2915 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2916 x = (x & ~(bfd_vma) 0x1fff) | relocation;
2917 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2921 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
2922 && sec_do_relax (input_section)
2923 && rel->r_offset + 4 < input_section->size)
2927 #define XCC (2 << 20)
2928 #define COND(x) (((x)&0xf)<<25)
2929 #define CONDA COND(0x8)
2930 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
2931 #define INSN_BA (F2(0,2) | CONDA)
2932 #define INSN_OR F3(2, 0x2, 0)
2933 #define INSN_NOP F2(0,4)
2937 /* If the instruction is a call with either:
2939 arithmetic instruction with rd == %o7
2940 where rs1 != %o7 and rs2 if it is register != %o7
2941 then we can optimize if the call destination is near
2942 by changing the call into a branch always. */
2943 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
2944 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
2945 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
2947 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
2948 || ((y & OP3(0x28)) == 0 /* arithmetic */
2949 && (y & RD(~0)) == RD(O7)))
2950 && (y & RS1(~0)) != RS1(O7)
2952 || (y & RS2(~0)) != RS2(O7)))
2956 reloc = relocation + rel->r_addend - rel->r_offset;
2957 reloc -= (input_section->output_section->vma
2958 + input_section->output_offset);
2960 /* Ensure the reloc fits into simm22. */
2961 if ((reloc & 3) == 0
2962 && ((reloc & ~(bfd_vma)0x7fffff) == 0
2963 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
2967 /* Check whether it fits into simm19 on v9. */
2968 if (((reloc & 0x3c0000) == 0
2969 || (reloc & 0x3c0000) == 0x3c0000)
2970 && (elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
2971 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
2973 x = INSN_BA | (reloc & 0x3fffff); /* ba */
2974 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
2976 if (rel->r_offset >= 4
2977 && (y & (0xffffffff ^ RS1(~0)))
2978 == (INSN_OR | RD(O7) | RS2(G0)))
2983 z = bfd_get_32 (input_bfd,
2984 contents + rel->r_offset - 4);
2985 if ((z & (0xffffffff ^ RD(~0)))
2986 != (INSN_OR | RS1(O7) | RS2(G0)))
2994 If call foo was replaced with ba, replace
2995 or %rN, %g0, %o7 with nop. */
2997 reg = (y & RS1(~0)) >> 14;
2998 if (reg != ((z & RD(~0)) >> 25)
2999 || reg == G0 || reg == O7)
3002 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
3003 contents + rel->r_offset + 4);
3011 if (r == bfd_reloc_continue)
3012 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3013 contents, rel->r_offset,
3014 relocation, rel->r_addend);
3016 if (r != bfd_reloc_ok)
3021 case bfd_reloc_outofrange:
3023 case bfd_reloc_overflow:
3028 name = h->root.root.string;
3031 name = bfd_elf_string_from_elf_section (input_bfd,
3032 symtab_hdr->sh_link,
3037 name = bfd_section_name (input_bfd, sec);
3039 if (! ((*info->callbacks->reloc_overflow)
3040 (info, name, howto->name, (bfd_vma) 0,
3041 input_bfd, input_section, rel->r_offset)))
3052 /* Finish up dynamic symbol handling. We set the contents of various
3053 dynamic sections here. */
3056 elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym)
3058 struct bfd_link_info *info;
3059 struct elf_link_hash_entry *h;
3060 Elf_Internal_Sym *sym;
3063 struct elf32_sparc_link_hash_table *htab;
3065 htab = elf32_sparc_hash_table (info);
3066 dynobj = htab->elf.dynobj;
3068 if (h->plt.offset != (bfd_vma) -1)
3072 Elf_Internal_Rela rela;
3075 /* This symbol has an entry in the procedure linkage table. Set
3078 BFD_ASSERT (h->dynindx != -1);
3081 srela = htab->srelplt;
3082 BFD_ASSERT (splt != NULL && srela != NULL);
3084 /* Fill in the entry in the procedure linkage table. */
3085 bfd_put_32 (output_bfd,
3086 PLT_ENTRY_WORD0 + h->plt.offset,
3087 splt->contents + h->plt.offset);
3088 bfd_put_32 (output_bfd,
3090 + (((- (h->plt.offset + 4)) >> 2) & 0x3fffff)),
3091 splt->contents + h->plt.offset + 4);
3092 bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2,
3093 splt->contents + h->plt.offset + 8);
3095 /* Fill in the entry in the .rela.plt section. */
3096 rela.r_offset = (splt->output_section->vma
3097 + splt->output_offset
3099 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
3101 loc = srela->contents;
3102 loc += (h->plt.offset / PLT_ENTRY_SIZE - 4) * sizeof (Elf32_External_Rela);
3103 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3105 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
3107 /* Mark the symbol as undefined, rather than as defined in
3108 the .plt section. Leave the value alone. */
3109 sym->st_shndx = SHN_UNDEF;
3110 /* If the symbol is weak, we do need to clear the value.
3111 Otherwise, the PLT entry would provide a definition for
3112 the symbol even if the symbol wasn't defined anywhere,
3113 and so the symbol would never be NULL. */
3114 if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
3120 if (h->got.offset != (bfd_vma) -1
3121 && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_GD
3122 && elf32_sparc_hash_entry(h)->tls_type != GOT_TLS_IE)
3126 Elf_Internal_Rela rela;
3129 /* This symbol has an entry in the global offset table. Set it
3133 srela = htab->srelgot;
3134 BFD_ASSERT (sgot != NULL && srela != NULL);
3136 rela.r_offset = (sgot->output_section->vma
3137 + sgot->output_offset
3138 + (h->got.offset &~ (bfd_vma) 1));
3140 /* If this is a -Bsymbolic link, and the symbol is defined
3141 locally, we just want to emit a RELATIVE reloc. Likewise if
3142 the symbol was forced to be local because of a version file.
3143 The entry in the global offset table will already have been
3144 initialized in the relocate_section function. */
3146 && (info->symbolic || h->dynindx == -1)
3147 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
3149 asection *sec = h->root.u.def.section;
3150 rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
3151 rela.r_addend = (h->root.u.def.value
3152 + sec->output_section->vma
3153 + sec->output_offset);
3157 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
3161 bfd_put_32 (output_bfd, (bfd_vma) 0,
3162 sgot->contents + (h->got.offset &~ (bfd_vma) 1));
3163 loc = srela->contents;
3164 loc += srela->reloc_count++ * sizeof (Elf32_External_Rela);
3165 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3168 if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
3171 Elf_Internal_Rela rela;
3174 /* This symbols needs a copy reloc. Set it up. */
3176 BFD_ASSERT (h->dynindx != -1);
3178 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3180 BFD_ASSERT (s != NULL);
3182 rela.r_offset = (h->root.u.def.value
3183 + h->root.u.def.section->output_section->vma
3184 + h->root.u.def.section->output_offset);
3185 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_COPY);
3187 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
3188 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3191 /* Mark some specially defined symbols as absolute. */
3192 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3193 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
3194 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
3195 sym->st_shndx = SHN_ABS;
3200 /* Finish up the dynamic sections. */
3203 elf32_sparc_finish_dynamic_sections (output_bfd, info)
3205 struct bfd_link_info *info;
3209 struct elf32_sparc_link_hash_table *htab;
3211 htab = elf32_sparc_hash_table (info);
3212 dynobj = htab->elf.dynobj;
3214 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3216 if (elf_hash_table (info)->dynamic_sections_created)
3219 Elf32_External_Dyn *dyncon, *dynconend;
3221 splt = bfd_get_section_by_name (dynobj, ".plt");
3222 BFD_ASSERT (splt != NULL && sdyn != NULL);
3224 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3225 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3226 for (; dyncon < dynconend; dyncon++)
3228 Elf_Internal_Dyn dyn;
3232 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3236 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3237 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3238 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3239 default: name = NULL; size = FALSE; break;
3246 s = bfd_get_section_by_name (output_bfd, name);
3252 dyn.d_un.d_ptr = s->vma;
3254 dyn.d_un.d_val = s->size;
3256 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3260 /* Clear the first four entries in the procedure linkage table,
3261 and put a nop in the last four bytes. */
3264 memset (splt->contents, 0, 4 * PLT_ENTRY_SIZE);
3265 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
3266 splt->contents + splt->size - 4);
3269 elf_section_data (splt->output_section)->this_hdr.sh_entsize = 0;
3272 /* Set the first entry in the global offset table to the address of
3273 the dynamic section. */
3274 if (htab->sgot && htab->sgot->size > 0)
3277 bfd_put_32 (output_bfd, (bfd_vma) 0, htab->sgot->contents);
3279 bfd_put_32 (output_bfd,
3280 sdyn->output_section->vma + sdyn->output_offset,
3281 htab->sgot->contents);
3285 elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = 4;
3290 /* Functions for dealing with the e_flags field.
3292 We don't define set_private_flags or copy_private_bfd_data because
3293 the only currently defined values are based on the bfd mach number,
3294 so we use the latter instead and defer setting e_flags until the
3295 file is written out. */
3297 /* Merge backend specific data from an object file to the output
3298 object file when linking. */
3301 elf32_sparc_merge_private_bfd_data (ibfd, obfd)
3306 unsigned long ibfd_mach;
3307 /* FIXME: This should not be static. */
3308 static unsigned long previous_ibfd_e_flags = (unsigned long) -1;
3310 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
3311 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
3316 ibfd_mach = bfd_get_mach (ibfd);
3317 if (bfd_mach_sparc_64bit_p (ibfd_mach))
3320 (*_bfd_error_handler)
3321 (_("%s: compiled for a 64 bit system and target is 32 bit"),
3322 bfd_archive_filename (ibfd));
3324 else if ((ibfd->flags & DYNAMIC) == 0)
3326 if (bfd_get_mach (obfd) < ibfd_mach)
3327 bfd_set_arch_mach (obfd, bfd_arch_sparc, ibfd_mach);
3330 if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA)
3331 != previous_ibfd_e_flags)
3332 && previous_ibfd_e_flags != (unsigned long) -1)
3334 (*_bfd_error_handler)
3335 (_("%s: linking little endian files with big endian files"),
3336 bfd_archive_filename (ibfd));
3339 previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA;
3343 bfd_set_error (bfd_error_bad_value);
3350 /* Set the right machine number. */
3353 elf32_sparc_object_p (abfd)
3356 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
3358 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
3359 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3360 bfd_mach_sparc_v8plusb);
3361 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
3362 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3363 bfd_mach_sparc_v8plusa);
3364 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
3365 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3366 bfd_mach_sparc_v8plus);
3370 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
3371 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3372 bfd_mach_sparc_sparclite_le);
3374 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
3377 /* The final processing done just before writing out the object file.
3378 We need to set the e_machine field appropriately. */
3381 elf32_sparc_final_write_processing (abfd, linker)
3383 bfd_boolean linker ATTRIBUTE_UNUSED;
3385 switch (bfd_get_mach (abfd))
3387 case bfd_mach_sparc :
3388 break; /* nothing to do */
3389 case bfd_mach_sparc_v8plus :
3390 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3391 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3392 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS;
3394 case bfd_mach_sparc_v8plusa :
3395 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3396 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3397 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1;
3399 case bfd_mach_sparc_v8plusb :
3400 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
3401 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
3402 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1
3405 case bfd_mach_sparc_sparclite_le :
3406 elf_elfheader (abfd)->e_machine = EM_SPARC;
3407 elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA;
3415 static enum elf_reloc_type_class
3416 elf32_sparc_reloc_type_class (rela)
3417 const Elf_Internal_Rela *rela;
3419 switch ((int) ELF32_R_TYPE (rela->r_info))
3421 case R_SPARC_RELATIVE:
3422 return reloc_class_relative;
3423 case R_SPARC_JMP_SLOT:
3424 return reloc_class_plt;
3426 return reloc_class_copy;
3428 return reloc_class_normal;
3432 /* Return address for Ith PLT stub in section PLT, for relocation REL
3433 or (bfd_vma) -1 if it should not be included. */
3436 elf32_sparc_plt_sym_val (bfd_vma i ATTRIBUTE_UNUSED,
3437 const asection *plt ATTRIBUTE_UNUSED,
3440 return rel->address;
3443 #define TARGET_BIG_SYM bfd_elf32_sparc_vec
3444 #define TARGET_BIG_NAME "elf32-sparc"
3445 #define ELF_ARCH bfd_arch_sparc
3446 #define ELF_MACHINE_CODE EM_SPARC
3447 #define ELF_MACHINE_ALT1 EM_SPARC32PLUS
3448 #define ELF_MAXPAGESIZE 0x10000
3450 #define bfd_elf32_bfd_reloc_type_lookup elf32_sparc_reloc_type_lookup
3451 #define bfd_elf32_bfd_link_hash_table_create \
3452 elf32_sparc_link_hash_table_create
3453 #define bfd_elf32_bfd_relax_section elf32_sparc_relax_section
3454 #define bfd_elf32_new_section_hook elf32_sparc_new_section_hook
3455 #define elf_info_to_howto elf32_sparc_info_to_howto
3456 #define elf_backend_copy_indirect_symbol \
3457 elf32_sparc_copy_indirect_symbol
3458 #define elf_backend_create_dynamic_sections \
3459 elf32_sparc_create_dynamic_sections
3460 #define elf_backend_check_relocs elf32_sparc_check_relocs
3461 #define elf_backend_adjust_dynamic_symbol \
3462 elf32_sparc_adjust_dynamic_symbol
3463 #define elf_backend_size_dynamic_sections \
3464 elf32_sparc_size_dynamic_sections
3465 #define elf_backend_relocate_section elf32_sparc_relocate_section
3466 #define elf_backend_finish_dynamic_symbol \
3467 elf32_sparc_finish_dynamic_symbol
3468 #define elf_backend_finish_dynamic_sections \
3469 elf32_sparc_finish_dynamic_sections
3470 #define bfd_elf32_bfd_merge_private_bfd_data \
3471 elf32_sparc_merge_private_bfd_data
3472 #define bfd_elf32_mkobject elf32_sparc_mkobject
3473 #define elf_backend_object_p elf32_sparc_object_p
3474 #define elf_backend_final_write_processing \
3475 elf32_sparc_final_write_processing
3476 #define elf_backend_gc_mark_hook elf32_sparc_gc_mark_hook
3477 #define elf_backend_gc_sweep_hook elf32_sparc_gc_sweep_hook
3478 #define elf_backend_grok_psinfo elf32_sparc_grok_psinfo
3479 #define elf_backend_reloc_type_class elf32_sparc_reloc_type_class
3480 #define elf_backend_plt_sym_val elf32_sparc_plt_sym_val
3482 #define elf_backend_can_gc_sections 1
3483 #define elf_backend_can_refcount 1
3484 #define elf_backend_want_got_plt 0
3485 #define elf_backend_plt_readonly 0
3486 #define elf_backend_want_plt_sym 1
3487 #define elf_backend_got_header_size 4
3488 #define elf_backend_rela_normal 1
3490 #include "elf32-target.h"