1 /* SPARC-specific support for 32-bit ELF
2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 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 boolean elf32_sparc_check_relocs
34 PARAMS ((bfd *, struct bfd_link_info *, asection *,
35 const Elf_Internal_Rela *));
36 static boolean elf32_sparc_adjust_dynamic_symbol
37 PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
38 static boolean elf32_sparc_size_dynamic_sections
39 PARAMS ((bfd *, struct bfd_link_info *));
40 static boolean elf32_sparc_relax_section
41 PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
42 static boolean elf32_sparc_relocate_section
43 PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
44 Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
45 static boolean elf32_sparc_finish_dynamic_symbol
46 PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
48 static boolean elf32_sparc_finish_dynamic_sections
49 PARAMS ((bfd *, struct bfd_link_info *));
50 static boolean elf32_sparc_merge_private_bfd_data PARAMS ((bfd *, bfd *));
51 static boolean elf32_sparc_object_p
53 static void elf32_sparc_final_write_processing
54 PARAMS ((bfd *, boolean));
55 static enum elf_reloc_type_class elf32_sparc_reloc_type_class
56 PARAMS ((const Elf_Internal_Rela *));
57 static asection * elf32_sparc_gc_mark_hook
58 PARAMS ((asection *, struct bfd_link_info *, Elf_Internal_Rela *,
59 struct elf_link_hash_entry *, Elf_Internal_Sym *));
60 static boolean elf32_sparc_gc_sweep_hook
61 PARAMS ((bfd *, struct bfd_link_info *, asection *,
62 const Elf_Internal_Rela *));
64 /* The relocation "howto" table. */
66 static bfd_reloc_status_type sparc_elf_notsupported_reloc
67 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
68 static bfd_reloc_status_type sparc_elf_wdisp16_reloc
69 PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
71 reloc_howto_type _bfd_sparc_elf_howto_table[] =
73 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
74 HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", false,0,0x000000ff,true),
75 HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", false,0,0x0000ffff,true),
76 HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", false,0,0xffffffff,true),
77 HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", false,0,0x000000ff,true),
78 HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", false,0,0x0000ffff,true),
79 HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", false,0,0xffffffff,true),
80 HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", false,0,0x3fffffff,true),
81 HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", false,0,0x003fffff,true),
82 HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", false,0,0x003fffff,true),
83 HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", false,0,0x003fffff,true),
84 HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", false,0,0x00001fff,true),
85 HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", false,0,0x000003ff,true),
86 HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", false,0,0x000003ff,true),
87 HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", false,0,0x00001fff,true),
88 HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", false,0,0x003fffff,true),
89 HOWTO(R_SPARC_PC10, 0,2,10,true, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", false,0,0x000003ff,true),
90 HOWTO(R_SPARC_PC22, 10,2,22,true, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", false,0,0x003fffff,true),
91 HOWTO(R_SPARC_WPLT30, 2,2,30,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", false,0,0x3fffffff,true),
92 HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", false,0,0x00000000,true),
93 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),
94 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),
95 HOWTO(R_SPARC_RELATIVE, 0,0,00,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",false,0,0x00000000,true),
96 HOWTO(R_SPARC_UA32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", false,0,0xffffffff,true),
97 HOWTO(R_SPARC_PLT32, 0,0,00,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", false,0,0xffffffff,true),
98 HOWTO(R_SPARC_HIPLT22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HIPLT22", false,0,0x00000000,true),
99 HOWTO(R_SPARC_LOPLT10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LOPLT10", false,0,0x00000000,true),
100 HOWTO(R_SPARC_PCPLT32, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT32", false,0,0x00000000,true),
101 HOWTO(R_SPARC_PCPLT22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT22", false,0,0x00000000,true),
102 HOWTO(R_SPARC_PCPLT10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_PCPLT10", false,0,0x00000000,true),
103 HOWTO(R_SPARC_10, 0,2,10,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", false,0,0x000003ff,true),
104 HOWTO(R_SPARC_11, 0,2,11,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", false,0,0x000007ff,true),
105 /* These are for sparc64 in a 64 bit environment.
106 Values need to be here because the table is indexed by reloc number. */
107 HOWTO(R_SPARC_64, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_64", false,0,0x00000000,true),
108 HOWTO(R_SPARC_OLO10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_OLO10", false,0,0x00000000,true),
109 HOWTO(R_SPARC_HH22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HH22", false,0,0x00000000,true),
110 HOWTO(R_SPARC_HM10, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_HM10", false,0,0x00000000,true),
111 HOWTO(R_SPARC_LM22, 0,0,00,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_LM22", false,0,0x00000000,true),
112 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),
113 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),
114 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),
115 /* End sparc64 in 64 bit environment values.
116 The following are for sparc64 in a 32 bit environment. */
117 HOWTO(R_SPARC_WDISP16, 2,2,16,true, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", false,0,0x00000000,true),
118 HOWTO(R_SPARC_WDISP19, 2,2,19,true, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", false,0,0x0007ffff,true),
119 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),
120 HOWTO(R_SPARC_7, 0,2, 7,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", false,0,0x0000007f,true),
121 HOWTO(R_SPARC_5, 0,2, 5,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", false,0,0x0000001f,true),
122 HOWTO(R_SPARC_6, 0,2, 6,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", false,0,0x0000003f,true),
123 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
124 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
125 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
126 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
127 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
128 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
129 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
130 HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", false,0,0x00000000,true),
131 HOWTO(R_SPARC_UA64, 0,0, 0,false,0,complain_overflow_dont, sparc_elf_notsupported_reloc, "R_SPARC_UA64", false,0,0x00000000,true),
132 HOWTO(R_SPARC_UA16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", false,0,0x0000ffff,true),
133 HOWTO(R_SPARC_REV32, 0,2,32,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", false,0,0xffffffff,true),
135 static reloc_howto_type elf32_sparc_vtinherit_howto =
136 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,false,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", false,0, 0, false);
137 static reloc_howto_type elf32_sparc_vtentry_howto =
138 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);
140 struct elf_reloc_map {
141 bfd_reloc_code_real_type bfd_reloc_val;
142 unsigned char elf_reloc_val;
145 static const struct elf_reloc_map sparc_reloc_map[] =
147 { BFD_RELOC_NONE, R_SPARC_NONE, },
148 { BFD_RELOC_16, R_SPARC_16, },
149 { BFD_RELOC_16_PCREL, R_SPARC_DISP16 },
150 { BFD_RELOC_8, R_SPARC_8 },
151 { BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
152 { BFD_RELOC_CTOR, R_SPARC_32 },
153 { BFD_RELOC_32, R_SPARC_32 },
154 { BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
155 { BFD_RELOC_HI22, R_SPARC_HI22 },
156 { BFD_RELOC_LO10, R_SPARC_LO10, },
157 { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
158 { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
159 { BFD_RELOC_SPARC22, R_SPARC_22 },
160 { BFD_RELOC_SPARC13, R_SPARC_13 },
161 { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
162 { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
163 { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
164 { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
165 { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
166 { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
167 { BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
168 { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
169 { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
170 { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
171 { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
172 { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 },
173 { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 },
174 { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 },
175 { BFD_RELOC_SPARC_10, R_SPARC_10 },
176 { BFD_RELOC_SPARC_11, R_SPARC_11 },
177 { BFD_RELOC_SPARC_64, R_SPARC_64 },
178 { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
179 { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
180 { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
181 { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
182 { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
183 { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
184 { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
185 { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
186 { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
187 { BFD_RELOC_SPARC_7, R_SPARC_7 },
188 { BFD_RELOC_SPARC_5, R_SPARC_5 },
189 { BFD_RELOC_SPARC_6, R_SPARC_6 },
190 { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 },
191 { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT },
192 { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY },
195 static reloc_howto_type *
196 elf32_sparc_reloc_type_lookup (abfd, code)
197 bfd *abfd ATTRIBUTE_UNUSED;
198 bfd_reloc_code_real_type code;
204 case BFD_RELOC_VTABLE_INHERIT:
205 return &elf32_sparc_vtinherit_howto;
207 case BFD_RELOC_VTABLE_ENTRY:
208 return &elf32_sparc_vtentry_howto;
211 for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); i++)
213 if (sparc_reloc_map[i].bfd_reloc_val == code)
214 return &_bfd_sparc_elf_howto_table[(int) sparc_reloc_map[i].elf_reloc_val];
217 bfd_set_error (bfd_error_bad_value);
221 /* We need to use ELF32_R_TYPE so we have our own copy of this function,
222 and elf64-sparc.c has its own copy. */
225 elf32_sparc_info_to_howto (abfd, cache_ptr, dst)
226 bfd *abfd ATTRIBUTE_UNUSED;
228 Elf_Internal_Rela *dst;
230 switch (ELF32_R_TYPE(dst->r_info))
232 case R_SPARC_GNU_VTINHERIT:
233 cache_ptr->howto = &elf32_sparc_vtinherit_howto;
236 case R_SPARC_GNU_VTENTRY:
237 cache_ptr->howto = &elf32_sparc_vtentry_howto;
241 BFD_ASSERT (ELF32_R_TYPE(dst->r_info) < (unsigned int) R_SPARC_max_std);
242 cache_ptr->howto = &_bfd_sparc_elf_howto_table[ELF32_R_TYPE(dst->r_info)];
246 /* For unsupported relocs. */
248 static bfd_reloc_status_type
249 sparc_elf_notsupported_reloc (abfd,
256 bfd *abfd ATTRIBUTE_UNUSED;
257 arelent *reloc_entry ATTRIBUTE_UNUSED;
258 asymbol *symbol ATTRIBUTE_UNUSED;
259 PTR data ATTRIBUTE_UNUSED;
260 asection *input_section ATTRIBUTE_UNUSED;
261 bfd *output_bfd ATTRIBUTE_UNUSED;
262 char **error_message ATTRIBUTE_UNUSED;
264 return bfd_reloc_notsupported;
267 /* Handle the WDISP16 reloc. */
269 static bfd_reloc_status_type
270 sparc_elf_wdisp16_reloc (abfd,
278 arelent *reloc_entry;
281 asection *input_section;
283 char **error_message ATTRIBUTE_UNUSED;
288 if (output_bfd != (bfd *) NULL
289 && (symbol->flags & BSF_SECTION_SYM) == 0
290 && (! reloc_entry->howto->partial_inplace
291 || reloc_entry->addend == 0))
293 reloc_entry->address += input_section->output_offset;
297 if (output_bfd != NULL)
298 return bfd_reloc_continue;
300 if (reloc_entry->address > input_section->_cooked_size)
301 return bfd_reloc_outofrange;
303 relocation = (symbol->value
304 + symbol->section->output_section->vma
305 + symbol->section->output_offset);
306 relocation += reloc_entry->addend;
307 relocation -= (input_section->output_section->vma
308 + input_section->output_offset);
309 relocation -= reloc_entry->address;
311 x = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
312 x |= ((((relocation >> 2) & 0xc000) << 6)
313 | ((relocation >> 2) & 0x3fff));
314 bfd_put_32 (abfd, x, (bfd_byte *) data + reloc_entry->address);
316 if ((bfd_signed_vma) relocation < - 0x40000
317 || (bfd_signed_vma) relocation > 0x3ffff)
318 return bfd_reloc_overflow;
323 /* Functions for the SPARC ELF linker. */
325 /* The name of the dynamic interpreter. This is put in the .interp
328 #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
330 /* The nop opcode we use. */
332 #define SPARC_NOP 0x01000000
334 /* The size in bytes of an entry in the procedure linkage table. */
336 #define PLT_ENTRY_SIZE 12
338 /* The first four entries in a procedure linkage table are reserved,
339 and the initial contents are unimportant (we zero them out).
340 Subsequent entries look like this. See the SVR4 ABI SPARC
341 supplement to see how this works. */
343 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
344 #define PLT_ENTRY_WORD0 0x03000000
345 /* b,a .plt0. We fill in the offset later. */
346 #define PLT_ENTRY_WORD1 0x30800000
348 #define PLT_ENTRY_WORD2 SPARC_NOP
350 /* Look through the relocs for a section during the first phase, and
351 allocate space in the global offset table or procedure linkage
355 elf32_sparc_check_relocs (abfd, info, sec, relocs)
357 struct bfd_link_info *info;
359 const Elf_Internal_Rela *relocs;
362 Elf_Internal_Shdr *symtab_hdr;
363 struct elf_link_hash_entry **sym_hashes;
364 bfd_vma *local_got_offsets;
365 const Elf_Internal_Rela *rel;
366 const Elf_Internal_Rela *rel_end;
371 if (info->relocateable)
374 dynobj = elf_hash_table (info)->dynobj;
375 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
376 sym_hashes = elf_sym_hashes (abfd);
377 local_got_offsets = elf_local_got_offsets (abfd);
383 rel_end = relocs + sec->reloc_count;
384 for (rel = relocs; rel < rel_end; rel++)
386 unsigned long r_symndx;
387 struct elf_link_hash_entry *h;
389 r_symndx = ELF32_R_SYM (rel->r_info);
390 if (r_symndx < symtab_hdr->sh_info)
393 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
395 switch (ELF32_R_TYPE (rel->r_info))
400 /* This symbol requires a global offset table entry. */
404 /* Create the .got section. */
405 elf_hash_table (info)->dynobj = dynobj = abfd;
406 if (! _bfd_elf_create_got_section (dynobj, info))
412 sgot = bfd_get_section_by_name (dynobj, ".got");
413 BFD_ASSERT (sgot != NULL);
417 && (h != NULL || info->shared))
419 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
422 srelgot = bfd_make_section (dynobj, ".rela.got");
424 || ! bfd_set_section_flags (dynobj, srelgot,
431 || ! bfd_set_section_alignment (dynobj, srelgot, 2))
438 if (h->got.offset != (bfd_vma) -1)
440 /* We have already allocated space in the .got. */
443 h->got.offset = sgot->_raw_size;
445 /* Make sure this symbol is output as a dynamic symbol. */
446 if (h->dynindx == -1)
448 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
452 srelgot->_raw_size += sizeof (Elf32_External_Rela);
456 /* This is a global offset table entry for a local
458 if (local_got_offsets == NULL)
461 register unsigned int i;
463 size = symtab_hdr->sh_info;
464 size *= sizeof (bfd_vma);
465 local_got_offsets = (bfd_vma *) bfd_alloc (abfd, size);
466 if (local_got_offsets == NULL)
468 elf_local_got_offsets (abfd) = local_got_offsets;
469 for (i = 0; i < symtab_hdr->sh_info; i++)
470 local_got_offsets[i] = (bfd_vma) -1;
472 if (local_got_offsets[r_symndx] != (bfd_vma) -1)
474 /* We have already allocated space in the .got. */
477 local_got_offsets[r_symndx] = sgot->_raw_size;
481 /* If we are generating a shared object, we need to
482 output a R_SPARC_RELATIVE reloc so that the
483 dynamic linker can adjust this GOT entry. */
484 srelgot->_raw_size += sizeof (Elf32_External_Rela);
488 sgot->_raw_size += 4;
490 /* If the .got section is more than 0x1000 bytes, we add
491 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
492 bit relocations have a greater chance of working. */
493 if (sgot->_raw_size >= 0x1000
494 && elf_hash_table (info)->hgot->root.u.def.value == 0)
495 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
501 /* This symbol requires a procedure linkage table entry. We
502 actually build the entry in adjust_dynamic_symbol,
503 because this might be a case of linking PIC code without
504 linking in any dynamic objects, in which case we don't
505 need to generate a procedure linkage table after all. */
509 /* The Solaris native assembler will generate a WPLT30
510 reloc for a local symbol if you assemble a call from
511 one section to another when using -K pic. We treat
513 if (ELF32_R_TYPE (rel->r_info) != R_SPARC_WPLT30)
518 /* Make sure this symbol is output as a dynamic symbol. */
519 if (h->dynindx == -1)
521 if (! bfd_elf32_link_record_dynamic_symbol (info, h))
525 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
527 if (ELF32_R_TYPE (rel->r_info) != R_SPARC_WPLT30)
534 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
537 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
543 case R_SPARC_WDISP30:
544 case R_SPARC_WDISP22:
545 case R_SPARC_WDISP19:
546 case R_SPARC_WDISP16:
548 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
550 /* If we are linking with -Bsymbolic, we do not need to copy
551 a PC relative reloc against a global symbol which is
552 defined in an object we are including in the link (i.e.,
553 DEF_REGULAR is set). FIXME: At this point we have not
554 seen all the input files, so it is possible that
555 DEF_REGULAR is not set now but will be set later (it is
556 never cleared). This needs to be handled as in
560 && (h->elf_link_hash_flags
561 & ELF_LINK_HASH_DEF_REGULAR) != 0))
574 h->elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
577 if (info->shared && (sec->flags & SEC_ALLOC))
579 /* When creating a shared object, we must copy these
580 relocs into the output file. We create a reloc
581 section in dynobj and make room for the reloc. */
586 name = (bfd_elf_string_from_elf_section
588 elf_elfheader (abfd)->e_shstrndx,
589 elf_section_data (sec)->rel_hdr.sh_name));
593 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
594 && strcmp (bfd_get_section_name (abfd, sec),
597 sreloc = bfd_get_section_by_name (dynobj, name);
602 sreloc = bfd_make_section (dynobj, name);
603 flags = (SEC_HAS_CONTENTS | SEC_READONLY
604 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
605 if ((sec->flags & SEC_ALLOC) != 0)
606 flags |= SEC_ALLOC | SEC_LOAD;
608 || ! bfd_set_section_flags (dynobj, sreloc, flags)
609 || ! bfd_set_section_alignment (dynobj, sreloc, 2))
612 if (sec->flags & SEC_READONLY)
613 info->flags |= DF_TEXTREL;
616 sreloc->_raw_size += sizeof (Elf32_External_Rela);
621 case R_SPARC_GNU_VTINHERIT:
622 if (!_bfd_elf32_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
626 case R_SPARC_GNU_VTENTRY:
627 if (!_bfd_elf32_gc_record_vtentry (abfd, sec, h, rel->r_addend))
640 elf32_sparc_gc_mark_hook (sec, info, rel, h, sym)
642 struct bfd_link_info *info ATTRIBUTE_UNUSED;
643 Elf_Internal_Rela *rel;
644 struct elf_link_hash_entry *h;
645 Elf_Internal_Sym *sym;
649 switch (ELF32_R_TYPE (rel->r_info))
651 case R_SPARC_GNU_VTINHERIT:
652 case R_SPARC_GNU_VTENTRY:
656 switch (h->root.type)
658 case bfd_link_hash_defined:
659 case bfd_link_hash_defweak:
660 return h->root.u.def.section;
662 case bfd_link_hash_common:
663 return h->root.u.c.p->section;
671 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
676 /* Update the got entry reference counts for the section being removed. */
678 elf32_sparc_gc_sweep_hook (abfd, info, sec, relocs)
680 struct bfd_link_info *info ATTRIBUTE_UNUSED;
682 const Elf_Internal_Rela *relocs;
685 Elf_Internal_Shdr *symtab_hdr;
686 struct elf_link_hash_entry **sym_hashes;
687 bfd_signed_vma *local_got_refcounts;
688 const Elf_Internal_Rela *rel, *relend;
689 unsigned long r_symndx;
690 struct elf_link_hash_entry *h;
692 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
693 sym_hashes = elf_sym_hashes (abfd);
694 local_got_refcounts = elf_local_got_refcounts (abfd);
696 relend = relocs + sec->reloc_count;
697 for (rel = relocs; rel < relend; rel++)
698 switch (ELF32_R_TYPE (rel->r_info))
703 r_symndx = ELF32_R_SYM (rel->r_info);
704 if (r_symndx >= symtab_hdr->sh_info)
706 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
707 if (h->got.refcount > 0)
712 if (local_got_refcounts[r_symndx] > 0)
713 local_got_refcounts[r_symndx]--;
718 case R_SPARC_HIPLT22:
719 case R_SPARC_LOPLT10:
720 case R_SPARC_PCPLT32:
721 case R_SPARC_PCPLT10:
722 r_symndx = ELF32_R_SYM (rel->r_info);
723 if (r_symndx >= symtab_hdr->sh_info)
725 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
726 if (h->plt.refcount > 0)
738 /* Adjust a symbol defined by a dynamic object and referenced by a
739 regular object. The current definition is in some section of the
740 dynamic object, but we're not including those sections. We have to
741 change the definition to something the rest of the link can
745 elf32_sparc_adjust_dynamic_symbol (info, h)
746 struct bfd_link_info *info;
747 struct elf_link_hash_entry *h;
751 unsigned int power_of_two;
753 dynobj = elf_hash_table (info)->dynobj;
755 /* Make sure we know what is going on here. */
756 BFD_ASSERT (dynobj != NULL
757 && ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
758 || h->weakdef != NULL
759 || ((h->elf_link_hash_flags
760 & ELF_LINK_HASH_DEF_DYNAMIC) != 0
761 && (h->elf_link_hash_flags
762 & ELF_LINK_HASH_REF_REGULAR) != 0
763 && (h->elf_link_hash_flags
764 & ELF_LINK_HASH_DEF_REGULAR) == 0)));
766 /* If this is a function, put it in the procedure linkage table. We
767 will fill in the contents of the procedure linkage table later
768 (although we could actually do it here). The STT_NOTYPE
769 condition is a hack specifically for the Oracle libraries
770 delivered for Solaris; for some inexplicable reason, they define
771 some of their functions as STT_NOTYPE when they really should be
773 if (h->type == STT_FUNC
774 || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0
775 || (h->type == STT_NOTYPE
776 && (h->root.type == bfd_link_hash_defined
777 || h->root.type == bfd_link_hash_defweak)
778 && (h->root.u.def.section->flags & SEC_CODE) != 0))
780 if (! elf_hash_table (info)->dynamic_sections_created
781 || ((!info->shared || info->symbolic || h->dynindx == -1)
782 && (h->elf_link_hash_flags
783 & ELF_LINK_HASH_DEF_REGULAR) != 0))
785 /* This case can occur if we saw a WPLT30 reloc in an input
786 file, but none of the input files were dynamic objects.
787 Or, when linking the main application or a -Bsymbolic
788 shared library against PIC code. Or when a global symbol
789 has been made private, e.g. via versioning.
791 In these cases we know what value the symbol will resolve
792 to, so we don't actually need to build a procedure linkage
793 table, and we can just do a WDISP30 reloc instead. */
795 h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
799 s = bfd_get_section_by_name (dynobj, ".plt");
800 BFD_ASSERT (s != NULL);
802 /* The first four entries in .plt are reserved. */
803 if (s->_raw_size == 0)
804 s->_raw_size = 4 * PLT_ENTRY_SIZE;
806 /* The procedure linkage table has a maximum size. */
807 if (s->_raw_size >= 0x400000)
809 bfd_set_error (bfd_error_bad_value);
813 /* If this symbol is not defined in a regular file, and we are
814 not generating a shared library, then set the symbol to this
815 location in the .plt. This is required to make function
816 pointers compare as equal between the normal executable and
817 the shared library. */
819 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
821 h->root.u.def.section = s;
822 h->root.u.def.value = s->_raw_size;
825 h->plt.offset = s->_raw_size;
827 /* Make room for this entry. */
828 s->_raw_size += PLT_ENTRY_SIZE;
830 /* We also need to make an entry in the .rela.plt section. */
832 s = bfd_get_section_by_name (dynobj, ".rela.plt");
833 BFD_ASSERT (s != NULL);
834 s->_raw_size += sizeof (Elf32_External_Rela);
839 /* If this is a weak symbol, and there is a real definition, the
840 processor independent code will have arranged for us to see the
841 real definition first, and we can just use the same value. */
842 if (h->weakdef != NULL)
844 BFD_ASSERT (h->weakdef->root.type == bfd_link_hash_defined
845 || h->weakdef->root.type == bfd_link_hash_defweak);
846 h->root.u.def.section = h->weakdef->root.u.def.section;
847 h->root.u.def.value = h->weakdef->root.u.def.value;
851 /* This is a reference to a symbol defined by a dynamic object which
852 is not a function. */
854 /* If we are creating a shared library, we must presume that the
855 only references to the symbol are via the global offset table.
856 For such cases we need not do anything here; the relocations will
857 be handled correctly by relocate_section. */
861 /* If there are no references to this symbol that do not use the
862 GOT, we don't need to generate a copy reloc. */
863 if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
866 /* We must allocate the symbol in our .dynbss section, which will
867 become part of the .bss section of the executable. There will be
868 an entry for this symbol in the .dynsym section. The dynamic
869 object will contain position independent code, so all references
870 from the dynamic object to this symbol will go through the global
871 offset table. The dynamic linker will use the .dynsym entry to
872 determine the address it must put in the global offset table, so
873 both the dynamic object and the regular object will refer to the
874 same memory location for the variable. */
876 s = bfd_get_section_by_name (dynobj, ".dynbss");
877 BFD_ASSERT (s != NULL);
879 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
880 to copy the initial value out of the dynamic object and into the
881 runtime process image. We need to remember the offset into the
882 .rel.bss section we are going to use. */
883 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
887 srel = bfd_get_section_by_name (dynobj, ".rela.bss");
888 BFD_ASSERT (srel != NULL);
889 srel->_raw_size += sizeof (Elf32_External_Rela);
890 h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
893 /* We need to figure out the alignment required for this symbol. I
894 have no idea how ELF linkers handle this. */
895 power_of_two = bfd_log2 (h->size);
896 if (power_of_two > 3)
899 /* Apply the required alignment. */
900 s->_raw_size = BFD_ALIGN (s->_raw_size,
901 (bfd_size_type) (1 << power_of_two));
902 if (power_of_two > bfd_get_section_alignment (dynobj, s))
904 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
908 /* Define the symbol as being at this point in the section. */
909 h->root.u.def.section = s;
910 h->root.u.def.value = s->_raw_size;
912 /* Increment the section size to make room for the symbol. */
913 s->_raw_size += h->size;
918 /* Set the sizes of the dynamic sections. */
921 elf32_sparc_size_dynamic_sections (output_bfd, info)
922 bfd *output_bfd ATTRIBUTE_UNUSED;
923 struct bfd_link_info *info;
929 dynobj = elf_hash_table (info)->dynobj;
930 BFD_ASSERT (dynobj != NULL);
932 if (elf_hash_table (info)->dynamic_sections_created)
934 /* Set the contents of the .interp section to the interpreter. */
937 s = bfd_get_section_by_name (dynobj, ".interp");
938 BFD_ASSERT (s != NULL);
939 s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
940 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
943 /* Make space for the trailing nop in .plt. */
944 s = bfd_get_section_by_name (dynobj, ".plt");
945 BFD_ASSERT (s != NULL);
946 if (s->_raw_size > 0)
951 /* We may have created entries in the .rela.got section.
952 However, if we are not creating the dynamic sections, we will
953 not actually use these entries. Reset the size of .rela.got,
954 which will cause it to get stripped from the output file
956 s = bfd_get_section_by_name (dynobj, ".rela.got");
961 /* The check_relocs and adjust_dynamic_symbol entry points have
962 determined the sizes of the various dynamic sections. Allocate
965 for (s = dynobj->sections; s != NULL; s = s->next)
970 if ((s->flags & SEC_LINKER_CREATED) == 0)
973 /* It's OK to base decisions on the section name, because none
974 of the dynobj section names depend upon the input files. */
975 name = bfd_get_section_name (dynobj, s);
979 if (strncmp (name, ".rela", 5) == 0)
981 if (s->_raw_size == 0)
983 /* If we don't need this section, strip it from the
984 output file. This is to handle .rela.bss and
985 .rel.plt. We must create it in
986 create_dynamic_sections, because it must be created
987 before the linker maps input sections to output
988 sections. The linker does that before
989 adjust_dynamic_symbol is called, and it is that
990 function which decides whether anything needs to go
991 into these sections. */
996 if (strcmp (name, ".rela.plt") == 0)
999 /* We use the reloc_count field as a counter if we need
1000 to copy relocs into the output file. */
1004 else if (strcmp (name, ".plt") != 0
1005 && strcmp (name, ".got") != 0)
1007 /* It's not one of our sections, so don't allocate space. */
1013 _bfd_strip_section_from_output (info, s);
1017 /* Allocate memory for the section contents. */
1018 /* FIXME: This should be a call to bfd_alloc not bfd_zalloc.
1019 Unused entries should be reclaimed before the section's contents
1020 are written out, but at the moment this does not happen. Thus in
1021 order to prevent writing out garbage, we initialise the section's
1022 contents to zero. */
1023 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
1024 if (s->contents == NULL && s->_raw_size != 0)
1028 if (elf_hash_table (info)->dynamic_sections_created)
1030 /* Add some entries to the .dynamic section. We fill in the
1031 values later, in elf32_sparc_finish_dynamic_sections, but we
1032 must add the entries now so that we get the correct size for
1033 the .dynamic section. The DT_DEBUG entry is filled in by the
1034 dynamic linker and used by the debugger. */
1035 #define add_dynamic_entry(TAG, VAL) \
1036 bfd_elf32_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
1040 if (!add_dynamic_entry (DT_DEBUG, 0))
1046 if (!add_dynamic_entry (DT_PLTGOT, 0)
1047 || !add_dynamic_entry (DT_PLTRELSZ, 0)
1048 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
1049 || !add_dynamic_entry (DT_JMPREL, 0))
1053 if (!add_dynamic_entry (DT_RELA, 0)
1054 || !add_dynamic_entry (DT_RELASZ, 0)
1055 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
1058 if (info->flags & DF_TEXTREL)
1060 if (!add_dynamic_entry (DT_TEXTREL, 0))
1064 #undef add_dynamic_entry
1069 #define SET_SEC_DO_RELAX(section) do { elf_section_data(section)->tdata = (void *)1; } while (0)
1070 #define SEC_DO_RELAX(section) (elf_section_data(section)->tdata == (void *)1)
1073 elf32_sparc_relax_section (abfd, section, link_info, again)
1074 bfd *abfd ATTRIBUTE_UNUSED;
1075 asection *section ATTRIBUTE_UNUSED;
1076 struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
1080 SET_SEC_DO_RELAX (section);
1084 /* This is the condition under which finish_dynamic_symbol will be called
1085 from elflink.h. If elflink.h doesn't call our finish_dynamic_symbol
1086 routine, we'll need to do something about initializing any .plt and .got
1087 entries in relocate_section. */
1088 #define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
1090 && ((INFO)->shared \
1091 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
1092 && ((H)->dynindx != -1 \
1093 || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
1095 /* Relocate a SPARC ELF section. */
1098 elf32_sparc_relocate_section (output_bfd, info, input_bfd, input_section,
1099 contents, relocs, local_syms, local_sections)
1101 struct bfd_link_info *info;
1103 asection *input_section;
1105 Elf_Internal_Rela *relocs;
1106 Elf_Internal_Sym *local_syms;
1107 asection **local_sections;
1110 Elf_Internal_Shdr *symtab_hdr;
1111 struct elf_link_hash_entry **sym_hashes;
1112 bfd_vma *local_got_offsets;
1117 Elf_Internal_Rela *rel;
1118 Elf_Internal_Rela *relend;
1120 dynobj = elf_hash_table (info)->dynobj;
1121 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
1122 sym_hashes = elf_sym_hashes (input_bfd);
1123 local_got_offsets = elf_local_got_offsets (input_bfd);
1125 if (elf_hash_table (info)->hgot == NULL)
1128 got_base = elf_hash_table (info)->hgot->root.u.def.value;
1135 relend = relocs + input_section->reloc_count;
1136 for (; rel < relend; rel++)
1139 reloc_howto_type *howto;
1140 unsigned long r_symndx;
1141 struct elf_link_hash_entry *h;
1142 Elf_Internal_Sym *sym;
1144 bfd_vma relocation, off;
1145 bfd_reloc_status_type r;
1146 boolean is_plt = false;
1147 boolean unresolved_reloc;
1149 r_type = ELF32_R_TYPE (rel->r_info);
1151 if (r_type == R_SPARC_GNU_VTINHERIT
1152 || r_type == R_SPARC_GNU_VTENTRY)
1155 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
1157 bfd_set_error (bfd_error_bad_value);
1160 howto = _bfd_sparc_elf_howto_table + r_type;
1162 r_symndx = ELF32_R_SYM (rel->r_info);
1164 if (info->relocateable)
1166 /* This is a relocateable link. We don't have to change
1167 anything, unless the reloc is against a section symbol,
1168 in which case we have to adjust according to where the
1169 section symbol winds up in the output section. */
1170 if (r_symndx < symtab_hdr->sh_info)
1172 sym = local_syms + r_symndx;
1173 if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
1175 sec = local_sections[r_symndx];
1176 rel->r_addend += sec->output_offset + sym->st_value;
1183 /* This is a final link. */
1187 unresolved_reloc = false;
1188 if (r_symndx < symtab_hdr->sh_info)
1190 sym = local_syms + r_symndx;
1191 sec = local_sections[r_symndx];
1192 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
1196 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1197 while (h->root.type == bfd_link_hash_indirect
1198 || h->root.type == bfd_link_hash_warning)
1199 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1202 if (h->root.type == bfd_link_hash_defined
1203 || h->root.type == bfd_link_hash_defweak)
1205 sec = h->root.u.def.section;
1206 if (sec->output_section == NULL)
1207 /* Set a flag that will be cleared later if we find a
1208 relocation value for this symbol. output_section
1209 is typically NULL for symbols satisfied by a shared
1211 unresolved_reloc = true;
1213 relocation = (h->root.u.def.value
1214 + sec->output_section->vma
1215 + sec->output_offset);
1217 else if (h->root.type == bfd_link_hash_undefweak)
1219 else if (info->shared
1220 && (!info->symbolic || info->allow_shlib_undefined)
1221 && !info->no_undefined
1222 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
1226 if (! ((*info->callbacks->undefined_symbol)
1227 (info, h->root.root.string, input_bfd,
1228 input_section, rel->r_offset,
1229 (!info->shared || info->no_undefined
1230 || ELF_ST_VISIBILITY (h->other)))))
1240 /* Relocation is to the entry for this symbol in the global
1244 sgot = bfd_get_section_by_name (dynobj, ".got");
1245 BFD_ASSERT (sgot != NULL);
1252 off = h->got.offset;
1253 BFD_ASSERT (off != (bfd_vma) -1);
1254 dyn = elf_hash_table (info)->dynamic_sections_created;
1256 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
1260 || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
1261 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
1263 /* This is actually a static link, or it is a
1264 -Bsymbolic link and the symbol is defined
1265 locally, or the symbol was forced to be local
1266 because of a version file. We must initialize
1267 this entry in the global offset table. Since the
1268 offset must always be a multiple of 4, we use the
1269 least significant bit to record whether we have
1270 initialized it already.
1272 When doing a dynamic link, we create a .rela.got
1273 relocation entry to initialize the value. This
1274 is done in the finish_dynamic_symbol routine. */
1279 bfd_put_32 (output_bfd, relocation,
1280 sgot->contents + off);
1285 unresolved_reloc = false;
1289 BFD_ASSERT (local_got_offsets != NULL
1290 && local_got_offsets[r_symndx] != (bfd_vma) -1);
1292 off = local_got_offsets[r_symndx];
1294 /* The offset must always be a multiple of 4. We use
1295 the least significant bit to record whether we have
1296 already processed this entry. */
1301 bfd_put_32 (output_bfd, relocation, sgot->contents + off);
1306 Elf_Internal_Rela outrel;
1308 /* We need to generate a R_SPARC_RELATIVE reloc
1309 for the dynamic linker. */
1310 srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
1311 BFD_ASSERT (srelgot != NULL);
1313 outrel.r_offset = (sgot->output_section->vma
1314 + sgot->output_offset
1316 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
1317 outrel.r_addend = 0;
1318 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
1319 (((Elf32_External_Rela *)
1321 + srelgot->reloc_count));
1322 ++srelgot->reloc_count;
1325 local_got_offsets[r_symndx] |= 1;
1328 relocation = sgot->output_offset + off - got_base;
1332 if (h == NULL || h->plt.offset == (bfd_vma) -1)
1334 r_type = R_SPARC_32;
1338 case R_SPARC_WPLT30:
1339 /* Relocation is to the entry for this symbol in the
1340 procedure linkage table. */
1342 /* The Solaris native assembler will generate a WPLT30 reloc
1343 for a local symbol if you assemble a call from one
1344 section to another when using -K pic. We treat it as
1349 if (h->plt.offset == (bfd_vma) -1)
1351 /* We didn't make a PLT entry for this symbol. This
1352 happens when statically linking PIC code, or when
1353 using -Bsymbolic. */
1359 splt = bfd_get_section_by_name (dynobj, ".plt");
1360 BFD_ASSERT (splt != NULL);
1363 relocation = (splt->output_section->vma
1364 + splt->output_offset
1366 unresolved_reloc = false;
1367 if (r_type == R_SPARC_PLT32)
1369 r_type = R_SPARC_32;
1378 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1382 case R_SPARC_DISP16:
1383 case R_SPARC_DISP32:
1384 case R_SPARC_WDISP30:
1385 case R_SPARC_WDISP22:
1386 case R_SPARC_WDISP19:
1387 case R_SPARC_WDISP16:
1390 && (h->elf_link_hash_flags
1391 & ELF_LINK_HASH_DEF_REGULAR) != 0))
1406 && (input_section->flags & SEC_ALLOC))
1408 Elf_Internal_Rela outrel;
1409 boolean skip, relocate = false;
1411 /* When generating a shared object, these relocations
1412 are copied into the output file to be resolved at run
1419 name = (bfd_elf_string_from_elf_section
1421 elf_elfheader (input_bfd)->e_shstrndx,
1422 elf_section_data (input_section)->rel_hdr.sh_name));
1426 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
1427 && strcmp (bfd_get_section_name (input_bfd,
1431 sreloc = bfd_get_section_by_name (dynobj, name);
1432 BFD_ASSERT (sreloc != NULL);
1438 _bfd_elf_section_offset (output_bfd, info, input_section,
1440 if (outrel.r_offset == (bfd_vma) -1)
1442 else if (outrel.r_offset == (bfd_vma) -2)
1443 skip = true, relocate = true;
1444 outrel.r_offset += (input_section->output_section->vma
1445 + input_section->output_offset);
1447 /* Optimize unaligned reloc usage now that we know where
1448 it finally resides. */
1452 if (outrel.r_offset & 1)
1453 r_type = R_SPARC_UA16;
1456 if (!(outrel.r_offset & 1))
1457 r_type = R_SPARC_16;
1460 if (outrel.r_offset & 3)
1461 r_type = R_SPARC_UA32;
1464 if (!(outrel.r_offset & 3))
1465 r_type = R_SPARC_32;
1468 case R_SPARC_DISP16:
1469 case R_SPARC_DISP32:
1470 /* If the symbol is not dynamic, we should not keep
1471 a dynamic relocation. But an .rela.* slot has been
1472 allocated for it, output R_SPARC_NONE.
1473 FIXME: Add code tracking needed dynamic relocs as
1475 if (h->dynindx == -1)
1476 skip = true, relocate = true;
1481 memset (&outrel, 0, sizeof outrel);
1482 /* h->dynindx may be -1 if the symbol was marked to
1484 else if (h != NULL && ! is_plt
1485 && ((! info->symbolic && h->dynindx != -1)
1486 || (h->elf_link_hash_flags
1487 & ELF_LINK_HASH_DEF_REGULAR) == 0))
1489 BFD_ASSERT (h->dynindx != -1);
1490 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
1491 outrel.r_addend = rel->r_addend;
1495 if (r_type == R_SPARC_32)
1497 outrel.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
1498 outrel.r_addend = relocation + rel->r_addend;
1507 sec = local_sections[r_symndx];
1510 BFD_ASSERT (h->root.type == bfd_link_hash_defined
1512 == bfd_link_hash_defweak));
1513 sec = h->root.u.def.section;
1515 if (sec != NULL && bfd_is_abs_section (sec))
1517 else if (sec == NULL || sec->owner == NULL)
1519 bfd_set_error (bfd_error_bad_value);
1526 osec = sec->output_section;
1527 indx = elf_section_data (osec)->dynindx;
1529 /* FIXME: we really should be able to link non-pic
1530 shared libraries. */
1534 (*_bfd_error_handler)
1535 (_("%s: probably compiled without -fPIC?"),
1536 bfd_archive_filename (input_bfd));
1537 bfd_set_error (bfd_error_bad_value);
1542 outrel.r_info = ELF32_R_INFO (indx, r_type);
1543 outrel.r_addend = relocation + rel->r_addend;
1547 bfd_elf32_swap_reloca_out (output_bfd, &outrel,
1548 (((Elf32_External_Rela *)
1550 + sreloc->reloc_count));
1551 ++sreloc->reloc_count;
1553 /* This reloc will be computed at runtime, so there's no
1554 need to do anything now. */
1564 /* ??? Copied from elf32-i386.c, debugging section check and all. */
1565 if (unresolved_reloc
1567 && (input_section->flags & SEC_DEBUGGING) != 0
1568 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
1569 (*_bfd_error_handler)
1570 (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
1571 bfd_archive_filename (input_bfd),
1572 bfd_get_section_name (input_bfd, input_section),
1573 (long) rel->r_offset,
1574 h->root.root.string);
1576 r = bfd_reloc_continue;
1577 if (r_type == R_SPARC_WDISP16)
1581 relocation += rel->r_addend;
1582 relocation -= (input_section->output_section->vma
1583 + input_section->output_offset);
1584 relocation -= rel->r_offset;
1586 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
1587 x |= ((((relocation >> 2) & 0xc000) << 6)
1588 | ((relocation >> 2) & 0x3fff));
1589 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
1591 if ((bfd_signed_vma) relocation < - 0x40000
1592 || (bfd_signed_vma) relocation > 0x3ffff)
1593 r = bfd_reloc_overflow;
1597 else if (r_type == R_SPARC_REV32)
1601 relocation = relocation + rel->r_addend;
1603 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
1605 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
1608 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
1609 && SEC_DO_RELAX (input_section)
1610 && rel->r_offset + 4 < input_section->_raw_size)
1614 #define XCC (2 << 20)
1615 #define COND(x) (((x)&0xf)<<25)
1616 #define CONDA COND(0x8)
1617 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
1618 #define INSN_BA (F2(0,2) | CONDA)
1619 #define INSN_OR F3(2, 0x2, 0)
1620 #define INSN_NOP F2(0,4)
1624 /* If the instruction is a call with either:
1626 arithmetic instruction with rd == %o7
1627 where rs1 != %o7 and rs2 if it is register != %o7
1628 then we can optimize if the call destination is near
1629 by changing the call into a branch always. */
1630 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
1631 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
1632 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
1634 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
1635 || ((y & OP3(0x28)) == 0 /* arithmetic */
1636 && (y & RD(~0)) == RD(O7)))
1637 && (y & RS1(~0)) != RS1(O7)
1639 || (y & RS2(~0)) != RS2(O7)))
1643 reloc = relocation + rel->r_addend - rel->r_offset;
1644 reloc -= (input_section->output_section->vma
1645 + input_section->output_offset);
1647 /* Ensure the reloc fits into simm22. */
1648 if ((reloc & 3) == 0
1649 && ((reloc & ~(bfd_vma)0x7fffff) == 0
1650 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
1654 /* Check whether it fits into simm19 on v9. */
1655 if (((reloc & 0x3c0000) == 0
1656 || (reloc & 0x3c0000) == 0x3c0000)
1657 && (elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
1658 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
1660 x = INSN_BA | (reloc & 0x3fffff); /* ba */
1661 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
1663 if (rel->r_offset >= 4
1664 && (y & (0xffffffff ^ RS1(~0)))
1665 == (INSN_OR | RD(O7) | RS2(G0)))
1670 z = bfd_get_32 (input_bfd,
1671 contents + rel->r_offset - 4);
1672 if ((z & (0xffffffff ^ RD(~0)))
1673 != (INSN_OR | RS1(O7) | RS2(G0)))
1681 If call foo was replaced with ba, replace
1682 or %rN, %g0, %o7 with nop. */
1684 reg = (y & RS1(~0)) >> 14;
1685 if (reg != ((z & RD(~0)) >> 25)
1686 || reg == G0 || reg == O7)
1689 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
1690 contents + rel->r_offset + 4);
1698 if (r == bfd_reloc_continue)
1699 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
1700 contents, rel->r_offset,
1701 relocation, rel->r_addend);
1703 if (r != bfd_reloc_ok)
1708 case bfd_reloc_outofrange:
1710 case bfd_reloc_overflow:
1715 name = h->root.root.string;
1718 name = bfd_elf_string_from_elf_section (input_bfd,
1719 symtab_hdr->sh_link,
1724 name = bfd_section_name (input_bfd, sec);
1726 if (! ((*info->callbacks->reloc_overflow)
1727 (info, name, howto->name, (bfd_vma) 0,
1728 input_bfd, input_section, rel->r_offset)))
1739 /* Finish up dynamic symbol handling. We set the contents of various
1740 dynamic sections here. */
1743 elf32_sparc_finish_dynamic_symbol (output_bfd, info, h, sym)
1745 struct bfd_link_info *info;
1746 struct elf_link_hash_entry *h;
1747 Elf_Internal_Sym *sym;
1751 dynobj = elf_hash_table (info)->dynobj;
1753 if (h->plt.offset != (bfd_vma) -1)
1757 Elf_Internal_Rela rela;
1759 /* This symbol has an entry in the procedure linkage table. Set
1762 BFD_ASSERT (h->dynindx != -1);
1764 splt = bfd_get_section_by_name (dynobj, ".plt");
1765 srela = bfd_get_section_by_name (dynobj, ".rela.plt");
1766 BFD_ASSERT (splt != NULL && srela != NULL);
1768 /* Fill in the entry in the procedure linkage table. */
1769 bfd_put_32 (output_bfd,
1770 PLT_ENTRY_WORD0 + h->plt.offset,
1771 splt->contents + h->plt.offset);
1772 bfd_put_32 (output_bfd,
1774 + (((- (h->plt.offset + 4)) >> 2) & 0x3fffff)),
1775 splt->contents + h->plt.offset + 4);
1776 bfd_put_32 (output_bfd, (bfd_vma) PLT_ENTRY_WORD2,
1777 splt->contents + h->plt.offset + 8);
1779 /* Fill in the entry in the .rela.plt section. */
1780 rela.r_offset = (splt->output_section->vma
1781 + splt->output_offset
1783 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
1785 bfd_elf32_swap_reloca_out (output_bfd, &rela,
1786 ((Elf32_External_Rela *) srela->contents
1787 + h->plt.offset / PLT_ENTRY_SIZE - 4));
1789 if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
1791 /* Mark the symbol as undefined, rather than as defined in
1792 the .plt section. Leave the value alone. */
1793 sym->st_shndx = SHN_UNDEF;
1794 /* If the symbol is weak, we do need to clear the value.
1795 Otherwise, the PLT entry would provide a definition for
1796 the symbol even if the symbol wasn't defined anywhere,
1797 and so the symbol would never be NULL. */
1798 if ((h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR_NONWEAK)
1804 if (h->got.offset != (bfd_vma) -1)
1808 Elf_Internal_Rela rela;
1810 /* This symbol has an entry in the global offset table. Set it
1813 sgot = bfd_get_section_by_name (dynobj, ".got");
1814 srela = bfd_get_section_by_name (dynobj, ".rela.got");
1815 BFD_ASSERT (sgot != NULL && srela != NULL);
1817 rela.r_offset = (sgot->output_section->vma
1818 + sgot->output_offset
1819 + (h->got.offset &~ (bfd_vma) 1));
1821 /* If this is a -Bsymbolic link, and the symbol is defined
1822 locally, we just want to emit a RELATIVE reloc. Likewise if
1823 the symbol was forced to be local because of a version file.
1824 The entry in the global offset table will already have been
1825 initialized in the relocate_section function. */
1827 && (info->symbolic || h->dynindx == -1)
1828 && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
1829 rela.r_info = ELF32_R_INFO (0, R_SPARC_RELATIVE);
1832 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
1833 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_GLOB_DAT);
1837 bfd_elf32_swap_reloca_out (output_bfd, &rela,
1838 ((Elf32_External_Rela *) srela->contents
1839 + srela->reloc_count));
1840 ++srela->reloc_count;
1843 if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
1846 Elf_Internal_Rela rela;
1848 /* This symbols needs a copy reloc. Set it up. */
1850 BFD_ASSERT (h->dynindx != -1);
1852 s = bfd_get_section_by_name (h->root.u.def.section->owner,
1854 BFD_ASSERT (s != NULL);
1856 rela.r_offset = (h->root.u.def.value
1857 + h->root.u.def.section->output_section->vma
1858 + h->root.u.def.section->output_offset);
1859 rela.r_info = ELF32_R_INFO (h->dynindx, R_SPARC_COPY);
1861 bfd_elf32_swap_reloca_out (output_bfd, &rela,
1862 ((Elf32_External_Rela *) s->contents
1867 /* Mark some specially defined symbols as absolute. */
1868 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
1869 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
1870 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
1871 sym->st_shndx = SHN_ABS;
1876 /* Finish up the dynamic sections. */
1879 elf32_sparc_finish_dynamic_sections (output_bfd, info)
1881 struct bfd_link_info *info;
1887 dynobj = elf_hash_table (info)->dynobj;
1889 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
1891 if (elf_hash_table (info)->dynamic_sections_created)
1894 Elf32_External_Dyn *dyncon, *dynconend;
1896 splt = bfd_get_section_by_name (dynobj, ".plt");
1897 BFD_ASSERT (splt != NULL && sdyn != NULL);
1899 dyncon = (Elf32_External_Dyn *) sdyn->contents;
1900 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
1901 for (; dyncon < dynconend; dyncon++)
1903 Elf_Internal_Dyn dyn;
1907 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
1911 case DT_PLTGOT: name = ".plt"; size = false; break;
1912 case DT_PLTRELSZ: name = ".rela.plt"; size = true; break;
1913 case DT_JMPREL: name = ".rela.plt"; size = false; break;
1914 default: name = NULL; size = false; break;
1921 s = bfd_get_section_by_name (output_bfd, name);
1927 dyn.d_un.d_ptr = s->vma;
1930 if (s->_cooked_size != 0)
1931 dyn.d_un.d_val = s->_cooked_size;
1933 dyn.d_un.d_val = s->_raw_size;
1936 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
1940 /* Clear the first four entries in the procedure linkage table,
1941 and put a nop in the last four bytes. */
1942 if (splt->_raw_size > 0)
1944 memset (splt->contents, 0, 4 * PLT_ENTRY_SIZE);
1945 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
1946 splt->contents + splt->_raw_size - 4);
1949 elf_section_data (splt->output_section)->this_hdr.sh_entsize =
1953 /* Set the first entry in the global offset table to the address of
1954 the dynamic section. */
1955 sgot = bfd_get_section_by_name (dynobj, ".got");
1956 BFD_ASSERT (sgot != NULL);
1957 if (sgot->_raw_size > 0)
1960 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
1962 bfd_put_32 (output_bfd,
1963 sdyn->output_section->vma + sdyn->output_offset,
1967 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
1972 /* Functions for dealing with the e_flags field.
1974 We don't define set_private_flags or copy_private_bfd_data because
1975 the only currently defined values are based on the bfd mach number,
1976 so we use the latter instead and defer setting e_flags until the
1977 file is written out. */
1979 /* Merge backend specific data from an object file to the output
1980 object file when linking. */
1983 elf32_sparc_merge_private_bfd_data (ibfd, obfd)
1988 /* FIXME: This should not be static. */
1989 static unsigned long previous_ibfd_e_flags = (unsigned long) -1;
1991 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
1992 || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
1997 if (bfd_get_mach (ibfd) >= bfd_mach_sparc_v9)
2000 (*_bfd_error_handler)
2001 (_("%s: compiled for a 64 bit system and target is 32 bit"),
2002 bfd_archive_filename (ibfd));
2004 else if ((ibfd->flags & DYNAMIC) == 0)
2006 if (bfd_get_mach (obfd) < bfd_get_mach (ibfd))
2007 bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd));
2010 if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA)
2011 != previous_ibfd_e_flags)
2012 && previous_ibfd_e_flags != (unsigned long) -1)
2014 (*_bfd_error_handler)
2015 (_("%s: linking little endian files with big endian files"),
2016 bfd_archive_filename (ibfd));
2019 previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA;
2023 bfd_set_error (bfd_error_bad_value);
2030 /* Set the right machine number. */
2033 elf32_sparc_object_p (abfd)
2036 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
2038 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
2039 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
2040 bfd_mach_sparc_v8plusb);
2041 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
2042 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
2043 bfd_mach_sparc_v8plusa);
2044 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
2045 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
2046 bfd_mach_sparc_v8plus);
2050 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
2051 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
2052 bfd_mach_sparc_sparclite_le);
2054 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
2057 /* The final processing done just before writing out the object file.
2058 We need to set the e_machine field appropriately. */
2061 elf32_sparc_final_write_processing (abfd, linker)
2063 boolean linker ATTRIBUTE_UNUSED;
2065 switch (bfd_get_mach (abfd))
2067 case bfd_mach_sparc :
2068 break; /* nothing to do */
2069 case bfd_mach_sparc_v8plus :
2070 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
2071 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
2072 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS;
2074 case bfd_mach_sparc_v8plusa :
2075 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
2076 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
2077 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1;
2079 case bfd_mach_sparc_v8plusb :
2080 elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS;
2081 elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK;
2082 elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1
2085 case bfd_mach_sparc_sparclite_le :
2086 elf_elfheader (abfd)->e_machine = EM_SPARC;
2087 elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA;
2095 static enum elf_reloc_type_class
2096 elf32_sparc_reloc_type_class (rela)
2097 const Elf_Internal_Rela *rela;
2099 switch ((int) ELF32_R_TYPE (rela->r_info))
2101 case R_SPARC_RELATIVE:
2102 return reloc_class_relative;
2103 case R_SPARC_JMP_SLOT:
2104 return reloc_class_plt;
2106 return reloc_class_copy;
2108 return reloc_class_normal;
2112 #define TARGET_BIG_SYM bfd_elf32_sparc_vec
2113 #define TARGET_BIG_NAME "elf32-sparc"
2114 #define ELF_ARCH bfd_arch_sparc
2115 #define ELF_MACHINE_CODE EM_SPARC
2116 #define ELF_MACHINE_ALT1 EM_SPARC32PLUS
2117 #define ELF_MAXPAGESIZE 0x10000
2119 #define bfd_elf32_bfd_reloc_type_lookup elf32_sparc_reloc_type_lookup
2120 #define bfd_elf32_bfd_relax_section elf32_sparc_relax_section
2121 #define elf_info_to_howto elf32_sparc_info_to_howto
2122 #define elf_backend_create_dynamic_sections \
2123 _bfd_elf_create_dynamic_sections
2124 #define elf_backend_check_relocs elf32_sparc_check_relocs
2125 #define elf_backend_adjust_dynamic_symbol \
2126 elf32_sparc_adjust_dynamic_symbol
2127 #define elf_backend_size_dynamic_sections \
2128 elf32_sparc_size_dynamic_sections
2129 #define elf_backend_relocate_section elf32_sparc_relocate_section
2130 #define elf_backend_finish_dynamic_symbol \
2131 elf32_sparc_finish_dynamic_symbol
2132 #define elf_backend_finish_dynamic_sections \
2133 elf32_sparc_finish_dynamic_sections
2134 #define bfd_elf32_bfd_merge_private_bfd_data \
2135 elf32_sparc_merge_private_bfd_data
2136 #define elf_backend_object_p elf32_sparc_object_p
2137 #define elf_backend_final_write_processing \
2138 elf32_sparc_final_write_processing
2139 #define elf_backend_gc_mark_hook elf32_sparc_gc_mark_hook
2140 #define elf_backend_gc_sweep_hook elf32_sparc_gc_sweep_hook
2141 #define elf_backend_reloc_type_class elf32_sparc_reloc_type_class
2143 #define elf_backend_can_gc_sections 1
2144 #define elf_backend_want_got_plt 0
2145 #define elf_backend_plt_readonly 0
2146 #define elf_backend_want_plt_sym 1
2147 #define elf_backend_got_header_size 4
2148 #define elf_backend_plt_header_size (4*PLT_ENTRY_SIZE)
2150 #include "elf32-target.h"