Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* SPARC-specific support for 32-bit ELF |
f0abc2a1 | 2 | Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, |
3eb128b2 | 3 | 2003, 2004, 2005 Free Software Foundation, Inc. |
252b5132 | 4 | |
ae9a127f | 5 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 6 | |
ae9a127f NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
252b5132 | 11 | |
ae9a127f NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
252b5132 | 16 | |
ae9a127f NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
3e110533 | 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
20 | |
21 | #include "bfd.h" | |
22 | #include "sysdep.h" | |
23 | #include "bfdlink.h" | |
24 | #include "libbfd.h" | |
25 | #include "elf-bfd.h" | |
26 | #include "elf/sparc.h" | |
f7775d95 | 27 | #include "opcode/sparc.h" |
22b75d0a | 28 | #include "elfxx-sparc.h" |
252b5132 | 29 | |
22b75d0a | 30 | /* Support for core dump NOTE sections. */ |
252b5132 | 31 | |
b34976b6 | 32 | static bfd_boolean |
22b75d0a | 33 | elf32_sparc_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) |
252b5132 | 34 | { |
22b75d0a | 35 | switch (note->descsz) |
252b5132 | 36 | { |
22b75d0a DM |
37 | default: |
38 | return FALSE; | |
252b5132 | 39 | |
22b75d0a DM |
40 | case 260: /* Solaris prpsinfo_t. */ |
41 | elf_tdata (abfd)->core_program | |
42 | = _bfd_elfcore_strndup (abfd, note->descdata + 84, 16); | |
43 | elf_tdata (abfd)->core_command | |
44 | = _bfd_elfcore_strndup (abfd, note->descdata + 100, 80); | |
45 | break; | |
252b5132 | 46 | |
22b75d0a DM |
47 | case 336: /* Solaris psinfo_t. */ |
48 | elf_tdata (abfd)->core_program | |
49 | = _bfd_elfcore_strndup (abfd, note->descdata + 88, 16); | |
50 | elf_tdata (abfd)->core_command | |
51 | = _bfd_elfcore_strndup (abfd, note->descdata + 104, 80); | |
52 | break; | |
252b5132 RH |
53 | } |
54 | ||
b34976b6 | 55 | return TRUE; |
252b5132 RH |
56 | } |
57 | ||
252b5132 RH |
58 | /* Functions for dealing with the e_flags field. |
59 | ||
60 | We don't define set_private_flags or copy_private_bfd_data because | |
61 | the only currently defined values are based on the bfd mach number, | |
62 | so we use the latter instead and defer setting e_flags until the | |
63 | file is written out. */ | |
64 | ||
65 | /* Merge backend specific data from an object file to the output | |
66 | object file when linking. */ | |
67 | ||
b34976b6 | 68 | static bfd_boolean |
22b75d0a | 69 | elf32_sparc_merge_private_bfd_data (bfd *ibfd, bfd *obfd) |
252b5132 | 70 | { |
b34976b6 | 71 | bfd_boolean error; |
7946e94a | 72 | unsigned long ibfd_mach; |
5f771d47 ILT |
73 | /* FIXME: This should not be static. */ |
74 | static unsigned long previous_ibfd_e_flags = (unsigned long) -1; | |
252b5132 RH |
75 | |
76 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour | |
77 | || bfd_get_flavour (obfd) != bfd_target_elf_flavour) | |
b34976b6 | 78 | return TRUE; |
252b5132 | 79 | |
b34976b6 | 80 | error = FALSE; |
252b5132 | 81 | |
7946e94a JJ |
82 | ibfd_mach = bfd_get_mach (ibfd); |
83 | if (bfd_mach_sparc_64bit_p (ibfd_mach)) | |
252b5132 | 84 | { |
b34976b6 | 85 | error = TRUE; |
252b5132 | 86 | (*_bfd_error_handler) |
d003868e | 87 | (_("%B: compiled for a 64 bit system and target is 32 bit"), ibfd); |
252b5132 | 88 | } |
37fb6db1 ILT |
89 | else if ((ibfd->flags & DYNAMIC) == 0) |
90 | { | |
7946e94a JJ |
91 | if (bfd_get_mach (obfd) < ibfd_mach) |
92 | bfd_set_arch_mach (obfd, bfd_arch_sparc, ibfd_mach); | |
37fb6db1 | 93 | } |
252b5132 RH |
94 | |
95 | if (((elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA) | |
96 | != previous_ibfd_e_flags) | |
5f771d47 | 97 | && previous_ibfd_e_flags != (unsigned long) -1) |
252b5132 RH |
98 | { |
99 | (*_bfd_error_handler) | |
d003868e | 100 | (_("%B: linking little endian files with big endian files"), ibfd); |
b34976b6 | 101 | error = TRUE; |
252b5132 RH |
102 | } |
103 | previous_ibfd_e_flags = elf_elfheader (ibfd)->e_flags & EF_SPARC_LEDATA; | |
104 | ||
105 | if (error) | |
106 | { | |
107 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 108 | return FALSE; |
252b5132 RH |
109 | } |
110 | ||
b34976b6 | 111 | return TRUE; |
252b5132 | 112 | } |
252b5132 RH |
113 | |
114 | /* The final processing done just before writing out the object file. | |
115 | We need to set the e_machine field appropriately. */ | |
116 | ||
117 | static void | |
22b75d0a DM |
118 | elf32_sparc_final_write_processing (bfd *abfd, |
119 | bfd_boolean linker ATTRIBUTE_UNUSED) | |
252b5132 RH |
120 | { |
121 | switch (bfd_get_mach (abfd)) | |
122 | { | |
123 | case bfd_mach_sparc : | |
fca870e4 AM |
124 | case bfd_mach_sparc_sparclet : |
125 | case bfd_mach_sparc_sparclite : | |
252b5132 RH |
126 | break; /* nothing to do */ |
127 | case bfd_mach_sparc_v8plus : | |
128 | elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS; | |
129 | elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK; | |
130 | elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS; | |
131 | break; | |
132 | case bfd_mach_sparc_v8plusa : | |
133 | elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS; | |
134 | elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK; | |
135 | elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1; | |
136 | break; | |
19f7b010 JJ |
137 | case bfd_mach_sparc_v8plusb : |
138 | elf_elfheader (abfd)->e_machine = EM_SPARC32PLUS; | |
139 | elf_elfheader (abfd)->e_flags &=~ EF_SPARC_32PLUS_MASK; | |
140 | elf_elfheader (abfd)->e_flags |= EF_SPARC_32PLUS | EF_SPARC_SUN_US1 | |
141 | | EF_SPARC_SUN_US3; | |
142 | break; | |
252b5132 | 143 | case bfd_mach_sparc_sparclite_le : |
252b5132 RH |
144 | elf_elfheader (abfd)->e_flags |= EF_SPARC_LEDATA; |
145 | break; | |
146 | default : | |
147 | abort (); | |
148 | break; | |
149 | } | |
150 | } | |
db6751f2 JJ |
151 | |
152 | static enum elf_reloc_type_class | |
22b75d0a | 153 | elf32_sparc_reloc_type_class (const Elf_Internal_Rela *rela) |
db6751f2 | 154 | { |
f51e552e | 155 | switch ((int) ELF32_R_TYPE (rela->r_info)) |
db6751f2 JJ |
156 | { |
157 | case R_SPARC_RELATIVE: | |
158 | return reloc_class_relative; | |
159 | case R_SPARC_JMP_SLOT: | |
160 | return reloc_class_plt; | |
161 | case R_SPARC_COPY: | |
162 | return reloc_class_copy; | |
163 | default: | |
164 | return reloc_class_normal; | |
165 | } | |
166 | } | |
4c45e5c9 | 167 | |
252b5132 RH |
168 | #define TARGET_BIG_SYM bfd_elf32_sparc_vec |
169 | #define TARGET_BIG_NAME "elf32-sparc" | |
170 | #define ELF_ARCH bfd_arch_sparc | |
171 | #define ELF_MACHINE_CODE EM_SPARC | |
172 | #define ELF_MACHINE_ALT1 EM_SPARC32PLUS | |
173 | #define ELF_MAXPAGESIZE 0x10000 | |
174 | ||
22b75d0a DM |
175 | #define bfd_elf32_bfd_merge_private_bfd_data \ |
176 | elf32_sparc_merge_private_bfd_data | |
177 | #define elf_backend_final_write_processing \ | |
178 | elf32_sparc_final_write_processing | |
179 | #define elf_backend_grok_psinfo elf32_sparc_grok_psinfo | |
180 | #define elf_backend_reloc_type_class elf32_sparc_reloc_type_class | |
181 | ||
182 | #define elf_info_to_howto _bfd_sparc_elf_info_to_howto | |
183 | #define bfd_elf32_bfd_reloc_type_lookup _bfd_sparc_elf_reloc_type_lookup | |
b9734f35 | 184 | #define bfd_elf32_bfd_link_hash_table_create \ |
22b75d0a DM |
185 | _bfd_sparc_elf_link_hash_table_create |
186 | #define bfd_elf32_bfd_relax_section _bfd_sparc_elf_relax_section | |
187 | #define bfd_elf32_new_section_hook _bfd_sparc_elf_new_section_hook | |
b9734f35 | 188 | #define elf_backend_copy_indirect_symbol \ |
22b75d0a | 189 | _bfd_sparc_elf_copy_indirect_symbol |
252b5132 | 190 | #define elf_backend_create_dynamic_sections \ |
22b75d0a DM |
191 | _bfd_sparc_elf_create_dynamic_sections |
192 | #define elf_backend_check_relocs _bfd_sparc_elf_check_relocs | |
252b5132 | 193 | #define elf_backend_adjust_dynamic_symbol \ |
22b75d0a DM |
194 | _bfd_sparc_elf_adjust_dynamic_symbol |
195 | #define elf_backend_omit_section_dynsym _bfd_sparc_elf_omit_section_dynsym | |
252b5132 | 196 | #define elf_backend_size_dynamic_sections \ |
22b75d0a DM |
197 | _bfd_sparc_elf_size_dynamic_sections |
198 | #define elf_backend_relocate_section _bfd_sparc_elf_relocate_section | |
252b5132 | 199 | #define elf_backend_finish_dynamic_symbol \ |
22b75d0a | 200 | _bfd_sparc_elf_finish_dynamic_symbol |
252b5132 | 201 | #define elf_backend_finish_dynamic_sections \ |
22b75d0a DM |
202 | _bfd_sparc_elf_finish_dynamic_sections |
203 | #define bfd_elf32_mkobject _bfd_sparc_elf_mkobject | |
204 | #define elf_backend_object_p _bfd_sparc_elf_object_p | |
205 | #define elf_backend_gc_mark_hook _bfd_sparc_elf_gc_mark_hook | |
206 | #define elf_backend_gc_sweep_hook _bfd_sparc_elf_gc_sweep_hook | |
207 | #define elf_backend_plt_sym_val _bfd_sparc_elf_plt_sym_val | |
252b5132 RH |
208 | |
209 | #define elf_backend_can_gc_sections 1 | |
b9734f35 | 210 | #define elf_backend_can_refcount 1 |
252b5132 RH |
211 | #define elf_backend_want_got_plt 0 |
212 | #define elf_backend_plt_readonly 0 | |
213 | #define elf_backend_want_plt_sym 1 | |
214 | #define elf_backend_got_header_size 4 | |
f0fe0e16 | 215 | #define elf_backend_rela_normal 1 |
252b5132 RH |
216 | |
217 | #include "elf32-target.h" |