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22b75d0a | 1 | /* SPARC-specific support for ELF |
ab96bf03 | 2 | Copyright 2005, 2006, 2007 Free Software Foundation, Inc. |
22b75d0a DM |
3 | |
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
3e110533 | 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
22b75d0a DM |
19 | |
20 | /* This file handles functionality common to the different SPARC ABI's. */ | |
21 | ||
22 | #include "bfd.h" | |
23 | #include "sysdep.h" | |
24 | #include "bfdlink.h" | |
25 | #include "libbfd.h" | |
910600e9 | 26 | #include "libiberty.h" |
22b75d0a DM |
27 | #include "elf-bfd.h" |
28 | #include "elf/sparc.h" | |
29 | #include "opcode/sparc.h" | |
30 | #include "elfxx-sparc.h" | |
910600e9 | 31 | #include "elf-vxworks.h" |
22b75d0a DM |
32 | |
33 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */ | |
34 | #define MINUS_ONE (~ (bfd_vma) 0) | |
35 | ||
36 | #define ABI_64_P(abfd) \ | |
37 | (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64) | |
38 | ||
39 | /* The relocation "howto" table. */ | |
40 | ||
41 | /* Utility for performing the standard initial work of an instruction | |
42 | relocation. | |
43 | *PRELOCATION will contain the relocated item. | |
44 | *PINSN will contain the instruction from the input stream. | |
45 | If the result is `bfd_reloc_other' the caller can continue with | |
46 | performing the relocation. Otherwise it must stop and return the | |
47 | value to its caller. */ | |
48 | ||
49 | static bfd_reloc_status_type | |
50 | init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, | |
51 | PTR data, asection *input_section, bfd *output_bfd, | |
52 | bfd_vma *prelocation, bfd_vma *pinsn) | |
53 | { | |
54 | bfd_vma relocation; | |
55 | reloc_howto_type *howto = reloc_entry->howto; | |
56 | ||
57 | if (output_bfd != (bfd *) NULL | |
58 | && (symbol->flags & BSF_SECTION_SYM) == 0 | |
59 | && (! howto->partial_inplace | |
60 | || reloc_entry->addend == 0)) | |
61 | { | |
62 | reloc_entry->address += input_section->output_offset; | |
63 | return bfd_reloc_ok; | |
64 | } | |
65 | ||
66 | /* This works because partial_inplace is FALSE. */ | |
67 | if (output_bfd != NULL) | |
68 | return bfd_reloc_continue; | |
69 | ||
70 | if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) | |
71 | return bfd_reloc_outofrange; | |
72 | ||
73 | relocation = (symbol->value | |
74 | + symbol->section->output_section->vma | |
75 | + symbol->section->output_offset); | |
76 | relocation += reloc_entry->addend; | |
77 | if (howto->pc_relative) | |
78 | { | |
79 | relocation -= (input_section->output_section->vma | |
80 | + input_section->output_offset); | |
81 | relocation -= reloc_entry->address; | |
82 | } | |
83 | ||
84 | *prelocation = relocation; | |
85 | *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); | |
86 | return bfd_reloc_other; | |
87 | } | |
88 | ||
89 | /* For unsupported relocs. */ | |
90 | ||
91 | static bfd_reloc_status_type | |
92 | sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED, | |
93 | arelent *reloc_entry ATTRIBUTE_UNUSED, | |
94 | asymbol *symbol ATTRIBUTE_UNUSED, | |
95 | PTR data ATTRIBUTE_UNUSED, | |
96 | asection *input_section ATTRIBUTE_UNUSED, | |
97 | bfd *output_bfd ATTRIBUTE_UNUSED, | |
98 | char **error_message ATTRIBUTE_UNUSED) | |
99 | { | |
100 | return bfd_reloc_notsupported; | |
101 | } | |
102 | ||
103 | /* Handle the WDISP16 reloc. */ | |
104 | ||
105 | static bfd_reloc_status_type | |
106 | sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, | |
107 | PTR data, asection *input_section, bfd *output_bfd, | |
108 | char **error_message ATTRIBUTE_UNUSED) | |
109 | { | |
110 | bfd_vma relocation; | |
111 | bfd_vma insn; | |
112 | bfd_reloc_status_type status; | |
113 | ||
114 | status = init_insn_reloc (abfd, reloc_entry, symbol, data, | |
115 | input_section, output_bfd, &relocation, &insn); | |
116 | if (status != bfd_reloc_other) | |
117 | return status; | |
118 | ||
119 | insn &= ~ (bfd_vma) 0x303fff; | |
120 | insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff); | |
121 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); | |
122 | ||
123 | if ((bfd_signed_vma) relocation < - 0x40000 | |
124 | || (bfd_signed_vma) relocation > 0x3ffff) | |
125 | return bfd_reloc_overflow; | |
126 | else | |
127 | return bfd_reloc_ok; | |
128 | } | |
129 | ||
130 | /* Handle the HIX22 reloc. */ | |
131 | ||
132 | static bfd_reloc_status_type | |
133 | sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, | |
134 | PTR data, asection *input_section, bfd *output_bfd, | |
135 | char **error_message ATTRIBUTE_UNUSED) | |
136 | { | |
137 | bfd_vma relocation; | |
138 | bfd_vma insn; | |
139 | bfd_reloc_status_type status; | |
140 | ||
141 | status = init_insn_reloc (abfd, reloc_entry, symbol, data, | |
142 | input_section, output_bfd, &relocation, &insn); | |
143 | if (status != bfd_reloc_other) | |
144 | return status; | |
145 | ||
146 | relocation ^= MINUS_ONE; | |
147 | insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff); | |
148 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); | |
149 | ||
150 | if ((relocation & ~ (bfd_vma) 0xffffffff) != 0) | |
151 | return bfd_reloc_overflow; | |
152 | else | |
153 | return bfd_reloc_ok; | |
154 | } | |
155 | ||
156 | /* Handle the LOX10 reloc. */ | |
157 | ||
158 | static bfd_reloc_status_type | |
159 | sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, | |
160 | PTR data, asection *input_section, bfd *output_bfd, | |
161 | char **error_message ATTRIBUTE_UNUSED) | |
162 | { | |
163 | bfd_vma relocation; | |
164 | bfd_vma insn; | |
165 | bfd_reloc_status_type status; | |
166 | ||
167 | status = init_insn_reloc (abfd, reloc_entry, symbol, data, | |
168 | input_section, output_bfd, &relocation, &insn); | |
169 | if (status != bfd_reloc_other) | |
170 | return status; | |
171 | ||
172 | insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff); | |
173 | bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address); | |
174 | ||
175 | return bfd_reloc_ok; | |
176 | } | |
177 | ||
178 | static reloc_howto_type _bfd_sparc_elf_howto_table[] = | |
179 | { | |
180 | HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE), | |
181 | HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE), | |
182 | HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE), | |
183 | HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE), | |
184 | HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE), | |
185 | HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE), | |
186 | HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE), | |
187 | HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE), | |
188 | HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE), | |
189 | HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE), | |
190 | HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE), | |
191 | HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE), | |
192 | HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE), | |
193 | HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE), | |
194 | HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE), | |
195 | HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE), | |
196 | HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE), | |
197 | HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE), | |
198 | HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE), | |
199 | HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE), | |
200 | 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), | |
201 | 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), | |
202 | HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE), | |
203 | HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE), | |
204 | HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE), | |
205 | HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE), | |
206 | HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE), | |
207 | HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE), | |
208 | HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE), | |
209 | HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE), | |
210 | HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE), | |
211 | HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE), | |
212 | HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE), | |
213 | HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE), | |
214 | HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE), | |
215 | HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE), | |
216 | HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE), | |
217 | HOWTO(R_SPARC_PC_HH22, 42,2,22,TRUE, 0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_PC_HH22", FALSE,0,0x003fffff,TRUE), | |
218 | HOWTO(R_SPARC_PC_HM10, 32,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_HM10", FALSE,0,0x000003ff,TRUE), | |
219 | HOWTO(R_SPARC_PC_LM22, 10,2,22,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC_LM22", FALSE,0,0x003fffff,TRUE), | |
220 | HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE), | |
221 | HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE), | |
222 | 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), | |
223 | HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE), | |
224 | HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE), | |
225 | HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE), | |
226 | HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE), | |
227 | HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE), | |
228 | HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE), | |
229 | HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE), | |
230 | HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE), | |
231 | HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE), | |
232 | HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE), | |
233 | HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE), | |
234 | HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE), | |
235 | HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE), | |
236 | 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), | |
237 | 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), | |
238 | 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), | |
239 | 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), | |
240 | 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), | |
241 | 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), | |
242 | 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), | |
243 | 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), | |
244 | 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), | |
245 | 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), | |
246 | 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), | |
247 | 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), | |
248 | 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), | |
249 | 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), | |
250 | 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), | |
251 | 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), | |
252 | 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), | |
253 | 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), | |
254 | 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), | |
255 | 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), | |
256 | 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), | |
257 | HOWTO(R_SPARC_TLS_DTPOFF64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_TLS_DTPOFF64",FALSE,0,MINUS_ONE,TRUE), | |
258 | 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), | |
259 | 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) | |
260 | }; | |
261 | static reloc_howto_type sparc_vtinherit_howto = | |
262 | HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE); | |
263 | static reloc_howto_type sparc_vtentry_howto = | |
264 | 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); | |
265 | static reloc_howto_type sparc_rev32_howto = | |
266 | HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE); | |
267 | ||
268 | struct elf_reloc_map { | |
269 | bfd_reloc_code_real_type bfd_reloc_val; | |
270 | unsigned char elf_reloc_val; | |
271 | }; | |
272 | ||
273 | static const struct elf_reloc_map sparc_reloc_map[] = | |
274 | { | |
275 | { BFD_RELOC_NONE, R_SPARC_NONE, }, | |
276 | { BFD_RELOC_16, R_SPARC_16, }, | |
277 | { BFD_RELOC_16_PCREL, R_SPARC_DISP16 }, | |
278 | { BFD_RELOC_8, R_SPARC_8 }, | |
279 | { BFD_RELOC_8_PCREL, R_SPARC_DISP8 }, | |
280 | { BFD_RELOC_CTOR, R_SPARC_64 }, | |
281 | { BFD_RELOC_32, R_SPARC_32 }, | |
282 | { BFD_RELOC_32_PCREL, R_SPARC_DISP32 }, | |
283 | { BFD_RELOC_HI22, R_SPARC_HI22 }, | |
284 | { BFD_RELOC_LO10, R_SPARC_LO10, }, | |
285 | { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 }, | |
286 | { BFD_RELOC_64_PCREL, R_SPARC_DISP64 }, | |
287 | { BFD_RELOC_SPARC22, R_SPARC_22 }, | |
288 | { BFD_RELOC_SPARC13, R_SPARC_13 }, | |
289 | { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 }, | |
290 | { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 }, | |
291 | { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 }, | |
292 | { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 }, | |
293 | { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 }, | |
294 | { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 }, | |
295 | { BFD_RELOC_SPARC_COPY, R_SPARC_COPY }, | |
296 | { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT }, | |
297 | { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT }, | |
298 | { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE }, | |
299 | { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 }, | |
300 | { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 }, | |
301 | { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, | |
302 | { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 }, | |
303 | { BFD_RELOC_SPARC_10, R_SPARC_10 }, | |
304 | { BFD_RELOC_SPARC_11, R_SPARC_11 }, | |
305 | { BFD_RELOC_SPARC_64, R_SPARC_64 }, | |
306 | { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 }, | |
307 | { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 }, | |
308 | { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 }, | |
309 | { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 }, | |
310 | { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 }, | |
311 | { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 }, | |
312 | { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 }, | |
313 | { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 }, | |
314 | { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 }, | |
315 | { BFD_RELOC_SPARC_7, R_SPARC_7 }, | |
316 | { BFD_RELOC_SPARC_5, R_SPARC_5 }, | |
317 | { BFD_RELOC_SPARC_6, R_SPARC_6 }, | |
318 | { BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64 }, | |
319 | { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 }, | |
320 | { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 }, | |
321 | { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD }, | |
322 | { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL }, | |
323 | { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 }, | |
324 | { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 }, | |
325 | { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD }, | |
326 | { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL }, | |
327 | { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 }, | |
328 | { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 }, | |
329 | { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD }, | |
330 | { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 }, | |
331 | { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 }, | |
332 | { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD }, | |
333 | { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX }, | |
334 | { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD }, | |
335 | { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 }, | |
336 | { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 }, | |
337 | { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 }, | |
338 | { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 }, | |
339 | { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 }, | |
340 | { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 }, | |
341 | { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 }, | |
342 | { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 }, | |
343 | { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 }, | |
344 | { BFD_RELOC_SPARC_PLT64, R_SPARC_PLT64 }, | |
345 | { BFD_RELOC_SPARC_HIX22, R_SPARC_HIX22 }, | |
346 | { BFD_RELOC_SPARC_LOX10, R_SPARC_LOX10 }, | |
347 | { BFD_RELOC_SPARC_H44, R_SPARC_H44 }, | |
348 | { BFD_RELOC_SPARC_M44, R_SPARC_M44 }, | |
349 | { BFD_RELOC_SPARC_L44, R_SPARC_L44 }, | |
350 | { BFD_RELOC_SPARC_REGISTER, R_SPARC_REGISTER }, | |
351 | { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT }, | |
352 | { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY }, | |
353 | { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 }, | |
354 | }; | |
355 | ||
356 | reloc_howto_type * | |
357 | _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
358 | bfd_reloc_code_real_type code) | |
359 | { | |
360 | unsigned int i; | |
361 | ||
362 | switch (code) | |
363 | { | |
364 | case BFD_RELOC_VTABLE_INHERIT: | |
365 | return &sparc_vtinherit_howto; | |
366 | ||
367 | case BFD_RELOC_VTABLE_ENTRY: | |
368 | return &sparc_vtentry_howto; | |
369 | ||
370 | case BFD_RELOC_SPARC_REV32: | |
371 | return &sparc_rev32_howto; | |
372 | ||
373 | default: | |
374 | for (i = 0; | |
375 | i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map); | |
376 | i++) | |
377 | { | |
378 | if (sparc_reloc_map[i].bfd_reloc_val == code) | |
379 | return (_bfd_sparc_elf_howto_table | |
380 | + (int) sparc_reloc_map[i].elf_reloc_val); | |
381 | } | |
382 | } | |
383 | bfd_set_error (bfd_error_bad_value); | |
384 | return NULL; | |
385 | } | |
386 | ||
157090f7 AM |
387 | reloc_howto_type * |
388 | _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, | |
389 | const char *r_name) | |
390 | { | |
391 | unsigned int i; | |
392 | ||
393 | for (i = 0; | |
394 | i < (sizeof (_bfd_sparc_elf_howto_table) | |
395 | / sizeof (_bfd_sparc_elf_howto_table[0])); | |
396 | i++) | |
397 | if (_bfd_sparc_elf_howto_table[i].name != NULL | |
398 | && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0) | |
399 | return &_bfd_sparc_elf_howto_table[i]; | |
400 | ||
401 | if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0) | |
402 | return &sparc_vtinherit_howto; | |
403 | if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0) | |
404 | return &sparc_vtentry_howto; | |
405 | if (strcasecmp (sparc_rev32_howto.name, r_name) == 0) | |
406 | return &sparc_rev32_howto; | |
407 | ||
408 | return NULL; | |
409 | } | |
410 | ||
22b75d0a DM |
411 | reloc_howto_type * |
412 | _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type) | |
413 | { | |
414 | switch (r_type) | |
415 | { | |
416 | case R_SPARC_GNU_VTINHERIT: | |
417 | return &sparc_vtinherit_howto; | |
418 | ||
419 | case R_SPARC_GNU_VTENTRY: | |
420 | return &sparc_vtentry_howto; | |
421 | ||
422 | case R_SPARC_REV32: | |
423 | return &sparc_rev32_howto; | |
424 | ||
425 | default: | |
d0fb9a8d JJ |
426 | if (r_type >= (unsigned int) R_SPARC_max_std) |
427 | { | |
428 | (*_bfd_error_handler) (_("invalid relocation type %d"), | |
429 | (int) r_type); | |
430 | r_type = R_SPARC_NONE; | |
431 | } | |
22b75d0a DM |
432 | return &_bfd_sparc_elf_howto_table[r_type]; |
433 | } | |
434 | } | |
435 | ||
436 | /* Both 32-bit and 64-bit sparc encode this in an identical manner, | |
437 | so just take advantage of that. */ | |
438 | #define SPARC_ELF_R_TYPE(r_info) \ | |
439 | ((r_info) & 0xff) | |
440 | ||
441 | void | |
442 | _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr, | |
443 | Elf_Internal_Rela *dst) | |
444 | { | |
445 | unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info); | |
446 | ||
447 | cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type); | |
448 | } | |
449 | \f | |
450 | ||
451 | /* The nop opcode we use. */ | |
452 | #define SPARC_NOP 0x01000000 | |
453 | ||
454 | #define SPARC_INSN_BYTES 4 | |
455 | ||
456 | /* The SPARC linker needs to keep track of the number of relocs that it | |
457 | decides to copy as dynamic relocs in check_relocs for each symbol. | |
458 | This is so that it can later discard them if they are found to be | |
459 | unnecessary. We store the information in a field extending the | |
460 | regular ELF linker hash table. */ | |
461 | ||
462 | struct _bfd_sparc_elf_dyn_relocs | |
463 | { | |
464 | struct _bfd_sparc_elf_dyn_relocs *next; | |
465 | ||
466 | /* The input section of the reloc. */ | |
467 | asection *sec; | |
468 | ||
469 | /* Total number of relocs copied for the input section. */ | |
470 | bfd_size_type count; | |
471 | ||
472 | /* Number of pc-relative relocs copied for the input section. */ | |
473 | bfd_size_type pc_count; | |
474 | }; | |
475 | ||
476 | /* SPARC ELF linker hash entry. */ | |
477 | ||
478 | struct _bfd_sparc_elf_link_hash_entry | |
479 | { | |
480 | struct elf_link_hash_entry elf; | |
481 | ||
482 | /* Track dynamic relocs copied for this symbol. */ | |
483 | struct _bfd_sparc_elf_dyn_relocs *dyn_relocs; | |
484 | ||
485 | #define GOT_UNKNOWN 0 | |
486 | #define GOT_NORMAL 1 | |
487 | #define GOT_TLS_GD 2 | |
488 | #define GOT_TLS_IE 3 | |
489 | unsigned char tls_type; | |
490 | }; | |
491 | ||
492 | #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent)) | |
493 | ||
494 | struct _bfd_sparc_elf_obj_tdata | |
495 | { | |
496 | struct elf_obj_tdata root; | |
497 | ||
498 | /* tls_type for each local got entry. */ | |
499 | char *local_got_tls_type; | |
500 | ||
501 | /* TRUE if TLS GD relocs has been seen for this object. */ | |
502 | bfd_boolean has_tlsgd; | |
503 | }; | |
504 | ||
505 | #define _bfd_sparc_elf_tdata(abfd) \ | |
506 | ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any) | |
507 | ||
508 | #define _bfd_sparc_elf_local_got_tls_type(abfd) \ | |
509 | (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type) | |
510 | ||
511 | bfd_boolean | |
512 | _bfd_sparc_elf_mkobject (bfd *abfd) | |
513 | { | |
22b75d0a | 514 | if (abfd->tdata.any == NULL) |
62d7a5f6 AM |
515 | { |
516 | bfd_size_type amt = sizeof (struct _bfd_sparc_elf_obj_tdata); | |
517 | abfd->tdata.any = bfd_zalloc (abfd, amt); | |
518 | if (abfd->tdata.any == NULL) | |
519 | return FALSE; | |
520 | } | |
521 | return bfd_elf_mkobject (abfd); | |
22b75d0a DM |
522 | } |
523 | ||
524 | static void | |
525 | sparc_put_word_32 (bfd *bfd, bfd_vma val, void *ptr) | |
526 | { | |
527 | bfd_put_32 (bfd, val, ptr); | |
528 | } | |
529 | ||
530 | static void | |
531 | sparc_put_word_64 (bfd *bfd, bfd_vma val, void *ptr) | |
532 | { | |
533 | bfd_put_64 (bfd, val, ptr); | |
534 | } | |
535 | ||
536 | static void | |
e459dc7b DM |
537 | sparc_elf_append_rela_64 (bfd *abfd ATTRIBUTE_UNUSED, |
538 | asection *s ATTRIBUTE_UNUSED, | |
539 | Elf_Internal_Rela *rel ATTRIBUTE_UNUSED) | |
22b75d0a | 540 | { |
e459dc7b | 541 | #ifdef BFD64 |
22b75d0a DM |
542 | Elf64_External_Rela *loc64; |
543 | ||
544 | loc64 = (Elf64_External_Rela *) s->contents; | |
545 | loc64 += s->reloc_count++; | |
546 | bfd_elf64_swap_reloca_out (abfd, rel, (bfd_byte *) loc64); | |
e459dc7b | 547 | #endif |
22b75d0a DM |
548 | } |
549 | ||
550 | static void | |
551 | sparc_elf_append_rela_32 (bfd *abfd, asection *s, Elf_Internal_Rela *rel) | |
552 | { | |
553 | Elf32_External_Rela *loc32; | |
554 | ||
555 | loc32 = (Elf32_External_Rela *) s->contents; | |
556 | loc32 += s->reloc_count++; | |
557 | bfd_elf32_swap_reloca_out (abfd, rel, (bfd_byte *) loc32); | |
558 | } | |
559 | ||
560 | static bfd_vma | |
e459dc7b DM |
561 | sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED, |
562 | bfd_vma index ATTRIBUTE_UNUSED, | |
563 | bfd_vma type ATTRIBUTE_UNUSED) | |
22b75d0a DM |
564 | { |
565 | return ELF64_R_INFO (index, | |
566 | (in_rel ? | |
567 | ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info), | |
568 | type) : type)); | |
569 | } | |
570 | ||
571 | static bfd_vma | |
572 | sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED, | |
573 | bfd_vma index, bfd_vma type) | |
574 | { | |
575 | return ELF32_R_INFO (index, type); | |
576 | } | |
577 | ||
578 | static bfd_vma | |
579 | sparc_elf_r_symndx_64 (bfd_vma r_info) | |
580 | { | |
e8be8da4 DM |
581 | bfd_vma r_symndx = ELF32_R_SYM (r_info); |
582 | return (r_symndx >> 24); | |
22b75d0a DM |
583 | } |
584 | ||
585 | static bfd_vma | |
586 | sparc_elf_r_symndx_32 (bfd_vma r_info) | |
587 | { | |
588 | return ELF32_R_SYM (r_info); | |
589 | } | |
590 | ||
591 | /* PLT/GOT stuff */ | |
592 | ||
593 | #define PLT32_ENTRY_SIZE 12 | |
594 | #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE) | |
595 | ||
596 | /* The first four entries in a 32-bit procedure linkage table are reserved, | |
597 | and the initial contents are unimportant (we zero them out). | |
598 | Subsequent entries look like this. See the SVR4 ABI SPARC | |
599 | supplement to see how this works. */ | |
600 | ||
601 | /* sethi %hi(.-.plt0),%g1. We fill in the address later. */ | |
602 | #define PLT32_ENTRY_WORD0 0x03000000 | |
603 | /* b,a .plt0. We fill in the offset later. */ | |
604 | #define PLT32_ENTRY_WORD1 0x30800000 | |
605 | /* nop. */ | |
606 | #define PLT32_ENTRY_WORD2 SPARC_NOP | |
607 | ||
608 | static int | |
609 | sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset, | |
610 | bfd_vma max ATTRIBUTE_UNUSED, | |
611 | bfd_vma *r_offset) | |
612 | { | |
613 | bfd_put_32 (output_bfd, | |
614 | PLT32_ENTRY_WORD0 + offset, | |
615 | splt->contents + offset); | |
616 | bfd_put_32 (output_bfd, | |
617 | (PLT32_ENTRY_WORD1 | |
618 | + (((- (offset + 4)) >> 2) & 0x3fffff)), | |
619 | splt->contents + offset + 4); | |
620 | bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2, | |
621 | splt->contents + offset + 8); | |
622 | ||
623 | *r_offset = offset; | |
624 | ||
625 | return offset / PLT32_ENTRY_SIZE - 4; | |
626 | } | |
627 | ||
628 | /* Both the headers and the entries are icache aligned. */ | |
629 | #define PLT64_ENTRY_SIZE 32 | |
630 | #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE) | |
631 | #define PLT64_LARGE_THRESHOLD 32768 | |
632 | ||
633 | static int | |
634 | sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset, | |
635 | bfd_vma max, bfd_vma *r_offset) | |
636 | { | |
637 | unsigned char *entry = splt->contents + offset; | |
638 | const unsigned int nop = SPARC_NOP; | |
639 | int index; | |
640 | ||
641 | if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)) | |
642 | { | |
643 | unsigned int sethi, ba; | |
644 | ||
645 | *r_offset = offset; | |
646 | ||
647 | index = (offset / PLT64_ENTRY_SIZE); | |
648 | ||
649 | sethi = 0x03000000 | (index * PLT64_ENTRY_SIZE); | |
650 | ba = 0x30680000 | |
651 | | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff); | |
652 | ||
653 | bfd_put_32 (output_bfd, (bfd_vma) sethi, entry); | |
654 | bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4); | |
655 | bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8); | |
656 | bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12); | |
657 | bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16); | |
658 | bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20); | |
659 | bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24); | |
660 | bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28); | |
661 | } | |
662 | else | |
663 | { | |
664 | unsigned char *ptr; | |
665 | unsigned int ldx; | |
666 | int block, last_block, ofs, last_ofs, chunks_this_block; | |
667 | const int insn_chunk_size = (6 * 4); | |
668 | const int ptr_chunk_size = (1 * 8); | |
669 | const int entries_per_block = 160; | |
670 | const int block_size = entries_per_block * (insn_chunk_size | |
671 | + ptr_chunk_size); | |
672 | ||
673 | /* Entries 32768 and higher are grouped into blocks of 160. | |
674 | The blocks are further subdivided into 160 sequences of | |
675 | 6 instructions and 160 pointers. If a block does not require | |
676 | the full 160 entries, let's say it requires N, then there | |
677 | will be N sequences of 6 instructions and N pointers. */ | |
678 | ||
679 | offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE); | |
680 | max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE); | |
681 | ||
682 | block = offset / block_size; | |
683 | last_block = max / block_size; | |
684 | if (block != last_block) | |
685 | { | |
686 | chunks_this_block = 160; | |
687 | } | |
688 | else | |
689 | { | |
690 | last_ofs = max % block_size; | |
691 | chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size); | |
692 | } | |
693 | ||
694 | ofs = offset % block_size; | |
695 | ||
696 | index = (PLT64_LARGE_THRESHOLD + | |
697 | (block * 160) + | |
698 | (ofs / insn_chunk_size)); | |
699 | ||
700 | ptr = splt->contents | |
701 | + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE) | |
702 | + (block * block_size) | |
703 | + (chunks_this_block * insn_chunk_size) | |
704 | + (ofs / insn_chunk_size) * ptr_chunk_size; | |
705 | ||
706 | *r_offset = (bfd_vma) (ptr - splt->contents); | |
707 | ||
708 | ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff); | |
709 | ||
710 | /* mov %o7,%g5 | |
711 | call .+8 | |
712 | nop | |
713 | ldx [%o7+P],%g1 | |
714 | jmpl %o7+%g1,%g1 | |
715 | mov %g5,%o7 */ | |
716 | bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry); | |
717 | bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4); | |
718 | bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8); | |
719 | bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12); | |
720 | bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16); | |
721 | bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20); | |
722 | ||
723 | bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr); | |
724 | } | |
725 | ||
726 | return index - 4; | |
727 | } | |
728 | ||
910600e9 RS |
729 | /* The format of the first PLT entry in a VxWorks executable. */ |
730 | static const bfd_vma sparc_vxworks_exec_plt0_entry[] = | |
731 | { | |
732 | 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */ | |
733 | 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */ | |
734 | 0xc4008000, /* ld [ %g2 ], %g2 */ | |
735 | 0x81c08000, /* jmp %g2 */ | |
736 | 0x01000000 /* nop */ | |
737 | }; | |
738 | ||
739 | /* The format of subsequent PLT entries. */ | |
740 | static const bfd_vma sparc_vxworks_exec_plt_entry[] = | |
741 | { | |
742 | 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */ | |
743 | 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */ | |
744 | 0xc2004000, /* ld [ %g1 ], %g1 */ | |
745 | 0x81c04000, /* jmp %g1 */ | |
746 | 0x01000000, /* nop */ | |
747 | 0x03000000, /* sethi %hi(f@pltindex), %g1 */ | |
748 | 0x10800000, /* b _PLT_resolve */ | |
749 | 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */ | |
750 | }; | |
751 | ||
752 | /* The format of the first PLT entry in a VxWorks shared object. */ | |
753 | static const bfd_vma sparc_vxworks_shared_plt0_entry[] = | |
754 | { | |
755 | 0xc405e008, /* ld [ %l7 + 8 ], %g2 */ | |
756 | 0x81c08000, /* jmp %g2 */ | |
757 | 0x01000000 /* nop */ | |
758 | }; | |
759 | ||
760 | /* The format of subsequent PLT entries. */ | |
761 | static const bfd_vma sparc_vxworks_shared_plt_entry[] = | |
762 | { | |
763 | 0x03000000, /* sethi %hi(f@got), %g1 */ | |
764 | 0x82106000, /* or %g1, %lo(f@got), %g1 */ | |
765 | 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */ | |
766 | 0x81c04000, /* jmp %g1 */ | |
767 | 0x01000000, /* nop */ | |
768 | 0x03000000, /* sethi %hi(f@pltindex), %g1 */ | |
769 | 0x10800000, /* b _PLT_resolve */ | |
770 | 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */ | |
771 | }; | |
772 | ||
22b75d0a DM |
773 | #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \ |
774 | htab->put_word(bfd, val, ptr) | |
775 | ||
776 | #define SPARC_ELF_APPEND_RELA(htab, bfd, sec, rela) \ | |
777 | htab->append_rela(bfd, sec, rela) | |
778 | ||
779 | #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \ | |
780 | htab->r_info(in_rel, index, type) | |
781 | ||
782 | #define SPARC_ELF_R_SYMNDX(htab, r_info) \ | |
783 | htab->r_symndx(r_info) | |
784 | ||
785 | #define SPARC_ELF_WORD_BYTES(htab) \ | |
786 | htab->bytes_per_word | |
787 | ||
788 | #define SPARC_ELF_RELA_BYTES(htab) \ | |
789 | htab->bytes_per_rela | |
790 | ||
791 | #define SPARC_ELF_DTPOFF_RELOC(htab) \ | |
792 | htab->dtpoff_reloc | |
793 | ||
794 | #define SPARC_ELF_DTPMOD_RELOC(htab) \ | |
795 | htab->dtpmod_reloc | |
796 | ||
797 | #define SPARC_ELF_TPOFF_RELOC(htab) \ | |
798 | htab->tpoff_reloc | |
799 | ||
800 | #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \ | |
801 | htab->build_plt_entry (obfd, splt, off, max, r_off) | |
802 | ||
803 | /* Create an entry in an SPARC ELF linker hash table. */ | |
804 | ||
805 | static struct bfd_hash_entry * | |
806 | link_hash_newfunc (struct bfd_hash_entry *entry, | |
807 | struct bfd_hash_table *table, const char *string) | |
808 | { | |
809 | /* Allocate the structure if it has not already been allocated by a | |
810 | subclass. */ | |
811 | if (entry == NULL) | |
812 | { | |
813 | entry = bfd_hash_allocate (table, | |
814 | sizeof (struct _bfd_sparc_elf_link_hash_entry)); | |
815 | if (entry == NULL) | |
816 | return entry; | |
817 | } | |
818 | ||
819 | /* Call the allocation method of the superclass. */ | |
820 | entry = _bfd_elf_link_hash_newfunc (entry, table, string); | |
821 | if (entry != NULL) | |
822 | { | |
823 | struct _bfd_sparc_elf_link_hash_entry *eh; | |
824 | ||
825 | eh = (struct _bfd_sparc_elf_link_hash_entry *) entry; | |
826 | eh->dyn_relocs = NULL; | |
827 | eh->tls_type = GOT_UNKNOWN; | |
828 | } | |
829 | ||
830 | return entry; | |
831 | } | |
832 | ||
833 | /* The name of the dynamic interpreter. This is put in the .interp | |
834 | section. */ | |
835 | ||
836 | #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" | |
837 | #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1" | |
838 | ||
839 | /* Create a SPARC ELF linker hash table. */ | |
840 | ||
841 | struct bfd_link_hash_table * | |
842 | _bfd_sparc_elf_link_hash_table_create (bfd *abfd) | |
843 | { | |
844 | struct _bfd_sparc_elf_link_hash_table *ret; | |
845 | bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table); | |
846 | ||
847 | ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt); | |
848 | if (ret == NULL) | |
849 | return NULL; | |
850 | ||
851 | if (ABI_64_P (abfd)) | |
852 | { | |
853 | ret->put_word = sparc_put_word_64; | |
854 | ret->append_rela = sparc_elf_append_rela_64; | |
855 | ret->r_info = sparc_elf_r_info_64; | |
856 | ret->r_symndx = sparc_elf_r_symndx_64; | |
22b75d0a DM |
857 | ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64; |
858 | ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64; | |
859 | ret->tpoff_reloc = R_SPARC_TLS_TPOFF64; | |
860 | ret->word_align_power = 3; | |
861 | ret->align_power_max = 4; | |
862 | ret->bytes_per_word = 8; | |
863 | ret->bytes_per_rela = sizeof (Elf64_External_Rela); | |
c2e70a82 | 864 | ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER; |
22b75d0a DM |
865 | ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER; |
866 | } | |
867 | else | |
868 | { | |
869 | ret->put_word = sparc_put_word_32; | |
870 | ret->append_rela = sparc_elf_append_rela_32; | |
871 | ret->r_info = sparc_elf_r_info_32; | |
872 | ret->r_symndx = sparc_elf_r_symndx_32; | |
22b75d0a DM |
873 | ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32; |
874 | ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32; | |
875 | ret->tpoff_reloc = R_SPARC_TLS_TPOFF32; | |
876 | ret->word_align_power = 2; | |
877 | ret->align_power_max = 3; | |
878 | ret->bytes_per_word = 4; | |
879 | ret->bytes_per_rela = sizeof (Elf32_External_Rela); | |
c2e70a82 | 880 | ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER; |
22b75d0a DM |
881 | ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER; |
882 | } | |
883 | ||
66eb6687 AM |
884 | if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc, |
885 | sizeof (struct _bfd_sparc_elf_link_hash_entry))) | |
22b75d0a DM |
886 | { |
887 | free (ret); | |
888 | return NULL; | |
889 | } | |
890 | ||
891 | return &ret->elf.root; | |
892 | } | |
893 | ||
894 | /* Create .got and .rela.got sections in DYNOBJ, and set up | |
895 | shortcuts to them in our hash table. */ | |
896 | ||
897 | static bfd_boolean | |
898 | create_got_section (bfd *dynobj, struct bfd_link_info *info) | |
899 | { | |
900 | struct _bfd_sparc_elf_link_hash_table *htab; | |
901 | ||
902 | if (! _bfd_elf_create_got_section (dynobj, info)) | |
903 | return FALSE; | |
904 | ||
905 | htab = _bfd_sparc_elf_hash_table (info); | |
906 | htab->sgot = bfd_get_section_by_name (dynobj, ".got"); | |
907 | BFD_ASSERT (htab->sgot != NULL); | |
908 | ||
3496cb2a L |
909 | htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got", |
910 | SEC_ALLOC | |
911 | | SEC_LOAD | |
912 | | SEC_HAS_CONTENTS | |
913 | | SEC_IN_MEMORY | |
914 | | SEC_LINKER_CREATED | |
915 | | SEC_READONLY); | |
22b75d0a | 916 | if (htab->srelgot == NULL |
22b75d0a DM |
917 | || ! bfd_set_section_alignment (dynobj, htab->srelgot, |
918 | htab->word_align_power)) | |
919 | return FALSE; | |
910600e9 RS |
920 | |
921 | if (htab->is_vxworks) | |
922 | { | |
923 | htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt"); | |
924 | if (!htab->sgotplt) | |
925 | return FALSE; | |
926 | } | |
927 | ||
22b75d0a DM |
928 | return TRUE; |
929 | } | |
930 | ||
931 | /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and | |
932 | .rela.bss sections in DYNOBJ, and set up shortcuts to them in our | |
933 | hash table. */ | |
934 | ||
935 | bfd_boolean | |
936 | _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj, | |
937 | struct bfd_link_info *info) | |
938 | { | |
939 | struct _bfd_sparc_elf_link_hash_table *htab; | |
940 | ||
941 | htab = _bfd_sparc_elf_hash_table (info); | |
942 | if (!htab->sgot && !create_got_section (dynobj, info)) | |
943 | return FALSE; | |
944 | ||
945 | if (!_bfd_elf_create_dynamic_sections (dynobj, info)) | |
946 | return FALSE; | |
947 | ||
948 | htab->splt = bfd_get_section_by_name (dynobj, ".plt"); | |
949 | htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt"); | |
950 | htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss"); | |
951 | if (!info->shared) | |
952 | htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss"); | |
953 | ||
910600e9 RS |
954 | if (htab->is_vxworks) |
955 | { | |
956 | if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2)) | |
957 | return FALSE; | |
958 | if (info->shared) | |
959 | { | |
960 | htab->plt_header_size | |
961 | = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); | |
962 | htab->plt_entry_size | |
963 | = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry); | |
964 | } | |
965 | else | |
966 | { | |
967 | htab->plt_header_size | |
968 | = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry); | |
969 | htab->plt_entry_size | |
970 | = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry); | |
971 | } | |
972 | } | |
973 | else | |
974 | { | |
975 | if (ABI_64_P (dynobj)) | |
976 | { | |
977 | htab->build_plt_entry = sparc64_plt_entry_build; | |
978 | htab->plt_header_size = PLT64_HEADER_SIZE; | |
979 | htab->plt_entry_size = PLT64_ENTRY_SIZE; | |
980 | } | |
981 | else | |
982 | { | |
983 | htab->build_plt_entry = sparc32_plt_entry_build; | |
984 | htab->plt_header_size = PLT32_HEADER_SIZE; | |
985 | htab->plt_entry_size = PLT32_ENTRY_SIZE; | |
986 | } | |
987 | } | |
988 | ||
22b75d0a DM |
989 | if (!htab->splt || !htab->srelplt || !htab->sdynbss |
990 | || (!info->shared && !htab->srelbss)) | |
991 | abort (); | |
992 | ||
993 | return TRUE; | |
994 | } | |
995 | ||
996 | /* Copy the extra info we tack onto an elf_link_hash_entry. */ | |
997 | ||
998 | void | |
fcfa13d2 | 999 | _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info, |
22b75d0a DM |
1000 | struct elf_link_hash_entry *dir, |
1001 | struct elf_link_hash_entry *ind) | |
1002 | { | |
1003 | struct _bfd_sparc_elf_link_hash_entry *edir, *eind; | |
1004 | ||
1005 | edir = (struct _bfd_sparc_elf_link_hash_entry *) dir; | |
1006 | eind = (struct _bfd_sparc_elf_link_hash_entry *) ind; | |
1007 | ||
1008 | if (eind->dyn_relocs != NULL) | |
1009 | { | |
1010 | if (edir->dyn_relocs != NULL) | |
1011 | { | |
1012 | struct _bfd_sparc_elf_dyn_relocs **pp; | |
1013 | struct _bfd_sparc_elf_dyn_relocs *p; | |
1014 | ||
fcfa13d2 | 1015 | /* Add reloc counts against the indirect sym to the direct sym |
22b75d0a DM |
1016 | list. Merge any entries against the same section. */ |
1017 | for (pp = &eind->dyn_relocs; (p = *pp) != NULL; ) | |
1018 | { | |
1019 | struct _bfd_sparc_elf_dyn_relocs *q; | |
1020 | ||
1021 | for (q = edir->dyn_relocs; q != NULL; q = q->next) | |
1022 | if (q->sec == p->sec) | |
1023 | { | |
1024 | q->pc_count += p->pc_count; | |
1025 | q->count += p->count; | |
1026 | *pp = p->next; | |
1027 | break; | |
1028 | } | |
1029 | if (q == NULL) | |
1030 | pp = &p->next; | |
1031 | } | |
1032 | *pp = edir->dyn_relocs; | |
1033 | } | |
1034 | ||
1035 | edir->dyn_relocs = eind->dyn_relocs; | |
1036 | eind->dyn_relocs = NULL; | |
1037 | } | |
1038 | ||
1039 | if (ind->root.type == bfd_link_hash_indirect | |
1040 | && dir->got.refcount <= 0) | |
1041 | { | |
1042 | edir->tls_type = eind->tls_type; | |
1043 | eind->tls_type = GOT_UNKNOWN; | |
1044 | } | |
fcfa13d2 | 1045 | _bfd_elf_link_hash_copy_indirect (info, dir, ind); |
22b75d0a DM |
1046 | } |
1047 | ||
1048 | static int | |
1049 | sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd, | |
1050 | int r_type, int is_local) | |
1051 | { | |
1052 | if (! ABI_64_P (abfd) | |
1053 | && r_type == R_SPARC_TLS_GD_HI22 | |
1054 | && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd) | |
1055 | r_type = R_SPARC_REV32; | |
1056 | ||
1057 | if (info->shared) | |
1058 | return r_type; | |
1059 | ||
1060 | switch (r_type) | |
1061 | { | |
1062 | case R_SPARC_TLS_GD_HI22: | |
1063 | if (is_local) | |
1064 | return R_SPARC_TLS_LE_HIX22; | |
1065 | return R_SPARC_TLS_IE_HI22; | |
1066 | case R_SPARC_TLS_GD_LO10: | |
1067 | if (is_local) | |
1068 | return R_SPARC_TLS_LE_LOX10; | |
1069 | return R_SPARC_TLS_IE_LO10; | |
1070 | case R_SPARC_TLS_IE_HI22: | |
1071 | if (is_local) | |
1072 | return R_SPARC_TLS_LE_HIX22; | |
1073 | return r_type; | |
1074 | case R_SPARC_TLS_IE_LO10: | |
1075 | if (is_local) | |
1076 | return R_SPARC_TLS_LE_LOX10; | |
1077 | return r_type; | |
1078 | case R_SPARC_TLS_LDM_HI22: | |
1079 | return R_SPARC_TLS_LE_HIX22; | |
1080 | case R_SPARC_TLS_LDM_LO10: | |
1081 | return R_SPARC_TLS_LE_LOX10; | |
1082 | } | |
1083 | ||
1084 | return r_type; | |
1085 | } | |
1086 | \f | |
1087 | /* Look through the relocs for a section during the first phase, and | |
1088 | allocate space in the global offset table or procedure linkage | |
1089 | table. */ | |
1090 | ||
1091 | bfd_boolean | |
1092 | _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info, | |
1093 | asection *sec, const Elf_Internal_Rela *relocs) | |
1094 | { | |
1095 | struct _bfd_sparc_elf_link_hash_table *htab; | |
1096 | Elf_Internal_Shdr *symtab_hdr; | |
1097 | struct elf_link_hash_entry **sym_hashes; | |
1098 | bfd_vma *local_got_offsets; | |
1099 | const Elf_Internal_Rela *rel; | |
1100 | const Elf_Internal_Rela *rel_end; | |
1101 | asection *sreloc; | |
1102 | int num_relocs; | |
1103 | bfd_boolean checked_tlsgd = FALSE; | |
1104 | ||
1105 | if (info->relocatable) | |
1106 | return TRUE; | |
1107 | ||
1108 | htab = _bfd_sparc_elf_hash_table (info); | |
1109 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
1110 | sym_hashes = elf_sym_hashes (abfd); | |
1111 | local_got_offsets = elf_local_got_offsets (abfd); | |
1112 | ||
1113 | sreloc = NULL; | |
1114 | ||
1115 | if (ABI_64_P (abfd)) | |
1116 | num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr); | |
1117 | else | |
1118 | num_relocs = sec->reloc_count; | |
1119 | rel_end = relocs + num_relocs; | |
1120 | for (rel = relocs; rel < rel_end; rel++) | |
1121 | { | |
1122 | unsigned int r_type; | |
1123 | unsigned long r_symndx; | |
1124 | struct elf_link_hash_entry *h; | |
1125 | ||
1126 | r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info); | |
1127 | r_type = SPARC_ELF_R_TYPE (rel->r_info); | |
1128 | ||
1129 | if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr)) | |
1130 | { | |
1131 | (*_bfd_error_handler) (_("%B: bad symbol index: %d"), | |
1132 | abfd, r_symndx); | |
1133 | return FALSE; | |
1134 | } | |
1135 | ||
1136 | if (r_symndx < symtab_hdr->sh_info) | |
1137 | h = NULL; | |
1138 | else | |
973a3492 L |
1139 | { |
1140 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
1141 | while (h->root.type == bfd_link_hash_indirect | |
1142 | || h->root.type == bfd_link_hash_warning) | |
1143 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1144 | } | |
22b75d0a DM |
1145 | |
1146 | /* Compatibility with old R_SPARC_REV32 reloc conflicting | |
1147 | with R_SPARC_TLS_GD_HI22. */ | |
1148 | if (! ABI_64_P (abfd) && ! checked_tlsgd) | |
1149 | switch (r_type) | |
1150 | { | |
1151 | case R_SPARC_TLS_GD_HI22: | |
1152 | { | |
1153 | const Elf_Internal_Rela *relt; | |
1154 | ||
1155 | for (relt = rel + 1; relt < rel_end; relt++) | |
1156 | if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10 | |
1157 | || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD | |
1158 | || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL) | |
1159 | break; | |
1160 | checked_tlsgd = TRUE; | |
1161 | _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end; | |
1162 | } | |
1163 | break; | |
1164 | case R_SPARC_TLS_GD_LO10: | |
1165 | case R_SPARC_TLS_GD_ADD: | |
1166 | case R_SPARC_TLS_GD_CALL: | |
1167 | checked_tlsgd = TRUE; | |
1168 | _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE; | |
1169 | break; | |
1170 | } | |
1171 | ||
1172 | r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL); | |
1173 | switch (r_type) | |
1174 | { | |
1175 | case R_SPARC_TLS_LDM_HI22: | |
1176 | case R_SPARC_TLS_LDM_LO10: | |
1177 | htab->tls_ldm_got.refcount += 1; | |
1178 | break; | |
1179 | ||
1180 | case R_SPARC_TLS_LE_HIX22: | |
1181 | case R_SPARC_TLS_LE_LOX10: | |
1182 | if (info->shared) | |
1183 | goto r_sparc_plt32; | |
1184 | break; | |
1185 | ||
1186 | case R_SPARC_TLS_IE_HI22: | |
1187 | case R_SPARC_TLS_IE_LO10: | |
1188 | if (info->shared) | |
1189 | info->flags |= DF_STATIC_TLS; | |
1190 | /* Fall through */ | |
1191 | ||
1192 | case R_SPARC_GOT10: | |
1193 | case R_SPARC_GOT13: | |
1194 | case R_SPARC_GOT22: | |
1195 | case R_SPARC_TLS_GD_HI22: | |
1196 | case R_SPARC_TLS_GD_LO10: | |
1197 | /* This symbol requires a global offset table entry. */ | |
1198 | { | |
1199 | int tls_type, old_tls_type; | |
1200 | ||
1201 | switch (r_type) | |
1202 | { | |
1203 | default: | |
1204 | case R_SPARC_GOT10: | |
1205 | case R_SPARC_GOT13: | |
1206 | case R_SPARC_GOT22: | |
1207 | tls_type = GOT_NORMAL; | |
1208 | break; | |
1209 | case R_SPARC_TLS_GD_HI22: | |
1210 | case R_SPARC_TLS_GD_LO10: | |
1211 | tls_type = GOT_TLS_GD; | |
1212 | break; | |
1213 | case R_SPARC_TLS_IE_HI22: | |
1214 | case R_SPARC_TLS_IE_LO10: | |
1215 | tls_type = GOT_TLS_IE; | |
1216 | break; | |
1217 | } | |
1218 | ||
1219 | if (h != NULL) | |
1220 | { | |
1221 | h->got.refcount += 1; | |
1222 | old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; | |
1223 | } | |
1224 | else | |
1225 | { | |
1226 | bfd_signed_vma *local_got_refcounts; | |
1227 | ||
1228 | /* This is a global offset table entry for a local symbol. */ | |
1229 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
1230 | if (local_got_refcounts == NULL) | |
1231 | { | |
1232 | bfd_size_type size; | |
1233 | ||
1234 | size = symtab_hdr->sh_info; | |
1235 | size *= (sizeof (bfd_signed_vma) + sizeof(char)); | |
1236 | local_got_refcounts = ((bfd_signed_vma *) | |
1237 | bfd_zalloc (abfd, size)); | |
1238 | if (local_got_refcounts == NULL) | |
1239 | return FALSE; | |
1240 | elf_local_got_refcounts (abfd) = local_got_refcounts; | |
1241 | _bfd_sparc_elf_local_got_tls_type (abfd) | |
1242 | = (char *) (local_got_refcounts + symtab_hdr->sh_info); | |
1243 | } | |
1244 | local_got_refcounts[r_symndx] += 1; | |
1245 | old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx]; | |
1246 | } | |
1247 | ||
1248 | /* If a TLS symbol is accessed using IE at least once, | |
1249 | there is no point to use dynamic model for it. */ | |
1250 | if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN | |
1251 | && (old_tls_type != GOT_TLS_GD | |
1252 | || tls_type != GOT_TLS_IE)) | |
1253 | { | |
1254 | if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD) | |
1255 | tls_type = old_tls_type; | |
1256 | else | |
1257 | { | |
1258 | (*_bfd_error_handler) | |
1259 | (_("%B: `%s' accessed both as normal and thread local symbol"), | |
1260 | abfd, h ? h->root.root.string : "<local>"); | |
1261 | return FALSE; | |
1262 | } | |
1263 | } | |
1264 | ||
1265 | if (old_tls_type != tls_type) | |
1266 | { | |
1267 | if (h != NULL) | |
1268 | _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type; | |
1269 | else | |
1270 | _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type; | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | if (htab->sgot == NULL) | |
1275 | { | |
1276 | if (htab->elf.dynobj == NULL) | |
1277 | htab->elf.dynobj = abfd; | |
1278 | if (!create_got_section (htab->elf.dynobj, info)) | |
1279 | return FALSE; | |
1280 | } | |
1281 | break; | |
1282 | ||
1283 | case R_SPARC_TLS_GD_CALL: | |
1284 | case R_SPARC_TLS_LDM_CALL: | |
1285 | if (info->shared) | |
1286 | { | |
1287 | /* These are basically R_SPARC_TLS_WPLT30 relocs against | |
1288 | __tls_get_addr. */ | |
1289 | struct bfd_link_hash_entry *bh = NULL; | |
1290 | if (! _bfd_generic_link_add_one_symbol (info, abfd, | |
1291 | "__tls_get_addr", 0, | |
1292 | bfd_und_section_ptr, 0, | |
1293 | NULL, FALSE, FALSE, | |
1294 | &bh)) | |
1295 | return FALSE; | |
1296 | h = (struct elf_link_hash_entry *) bh; | |
1297 | } | |
1298 | else | |
1299 | break; | |
1300 | /* Fall through */ | |
1301 | ||
1302 | case R_SPARC_PLT32: | |
1303 | case R_SPARC_WPLT30: | |
1304 | case R_SPARC_HIPLT22: | |
1305 | case R_SPARC_LOPLT10: | |
1306 | case R_SPARC_PCPLT32: | |
1307 | case R_SPARC_PCPLT22: | |
1308 | case R_SPARC_PCPLT10: | |
1309 | case R_SPARC_PLT64: | |
1310 | /* This symbol requires a procedure linkage table entry. We | |
1311 | actually build the entry in adjust_dynamic_symbol, | |
1312 | because this might be a case of linking PIC code without | |
1313 | linking in any dynamic objects, in which case we don't | |
1314 | need to generate a procedure linkage table after all. */ | |
1315 | ||
1316 | if (h == NULL) | |
1317 | { | |
1318 | if (! ABI_64_P (abfd)) | |
1319 | { | |
1320 | /* The Solaris native assembler will generate a WPLT30 | |
1321 | reloc for a local symbol if you assemble a call from | |
1322 | one section to another when using -K pic. We treat | |
1323 | it as WDISP30. */ | |
1324 | if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32) | |
1325 | goto r_sparc_plt32; | |
1326 | break; | |
1327 | } | |
1328 | ||
1329 | /* It does not make sense to have a procedure linkage | |
1330 | table entry for a local symbol. */ | |
1331 | bfd_set_error (bfd_error_bad_value); | |
1332 | return FALSE; | |
1333 | } | |
1334 | ||
1335 | h->needs_plt = 1; | |
1336 | ||
1337 | { | |
1338 | int this_r_type; | |
1339 | ||
1340 | this_r_type = SPARC_ELF_R_TYPE (rel->r_info); | |
1341 | if (this_r_type == R_SPARC_PLT32 | |
1342 | || this_r_type == R_SPARC_PLT64) | |
1343 | goto r_sparc_plt32; | |
1344 | } | |
1345 | h->plt.refcount += 1; | |
1346 | break; | |
1347 | ||
1348 | case R_SPARC_PC10: | |
1349 | case R_SPARC_PC22: | |
1350 | case R_SPARC_PC_HH22: | |
1351 | case R_SPARC_PC_HM10: | |
1352 | case R_SPARC_PC_LM22: | |
1353 | if (h != NULL) | |
1354 | h->non_got_ref = 1; | |
1355 | ||
1356 | if (h != NULL | |
1357 | && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
1358 | break; | |
1359 | /* Fall through. */ | |
1360 | ||
1361 | case R_SPARC_DISP8: | |
1362 | case R_SPARC_DISP16: | |
1363 | case R_SPARC_DISP32: | |
1364 | case R_SPARC_DISP64: | |
1365 | case R_SPARC_WDISP30: | |
1366 | case R_SPARC_WDISP22: | |
1367 | case R_SPARC_WDISP19: | |
1368 | case R_SPARC_WDISP16: | |
1369 | case R_SPARC_8: | |
1370 | case R_SPARC_16: | |
1371 | case R_SPARC_32: | |
1372 | case R_SPARC_HI22: | |
1373 | case R_SPARC_22: | |
1374 | case R_SPARC_13: | |
1375 | case R_SPARC_LO10: | |
1376 | case R_SPARC_UA16: | |
1377 | case R_SPARC_UA32: | |
1378 | case R_SPARC_10: | |
1379 | case R_SPARC_11: | |
1380 | case R_SPARC_64: | |
1381 | case R_SPARC_OLO10: | |
1382 | case R_SPARC_HH22: | |
1383 | case R_SPARC_HM10: | |
1384 | case R_SPARC_LM22: | |
1385 | case R_SPARC_7: | |
1386 | case R_SPARC_5: | |
1387 | case R_SPARC_6: | |
1388 | case R_SPARC_HIX22: | |
1389 | case R_SPARC_LOX10: | |
1390 | case R_SPARC_H44: | |
1391 | case R_SPARC_M44: | |
1392 | case R_SPARC_L44: | |
1393 | case R_SPARC_UA64: | |
1394 | if (h != NULL) | |
1395 | h->non_got_ref = 1; | |
1396 | ||
1397 | r_sparc_plt32: | |
1398 | if (h != NULL && !info->shared) | |
1399 | { | |
1400 | /* We may need a .plt entry if the function this reloc | |
1401 | refers to is in a shared lib. */ | |
1402 | h->plt.refcount += 1; | |
1403 | } | |
1404 | ||
1405 | /* If we are creating a shared library, and this is a reloc | |
1406 | against a global symbol, or a non PC relative reloc | |
1407 | against a local symbol, then we need to copy the reloc | |
1408 | into the shared library. However, if we are linking with | |
1409 | -Bsymbolic, we do not need to copy a reloc against a | |
1410 | global symbol which is defined in an object we are | |
1411 | including in the link (i.e., DEF_REGULAR is set). At | |
1412 | this point we have not seen all the input files, so it is | |
1413 | possible that DEF_REGULAR is not set now but will be set | |
1414 | later (it is never cleared). In case of a weak definition, | |
1415 | DEF_REGULAR may be cleared later by a strong definition in | |
1416 | a shared library. We account for that possibility below by | |
1417 | storing information in the relocs_copied field of the hash | |
1418 | table entry. A similar situation occurs when creating | |
1419 | shared libraries and symbol visibility changes render the | |
1420 | symbol local. | |
1421 | ||
1422 | If on the other hand, we are creating an executable, we | |
1423 | may need to keep relocations for symbols satisfied by a | |
1424 | dynamic library if we manage to avoid copy relocs for the | |
1425 | symbol. */ | |
1426 | if ((info->shared | |
1427 | && (sec->flags & SEC_ALLOC) != 0 | |
1428 | && (! _bfd_sparc_elf_howto_table[r_type].pc_relative | |
1429 | || (h != NULL | |
1430 | && (! info->symbolic | |
1431 | || h->root.type == bfd_link_hash_defweak | |
1432 | || !h->def_regular)))) | |
1433 | || (!info->shared | |
1434 | && (sec->flags & SEC_ALLOC) != 0 | |
1435 | && h != NULL | |
1436 | && (h->root.type == bfd_link_hash_defweak | |
1437 | || !h->def_regular))) | |
1438 | { | |
1439 | struct _bfd_sparc_elf_dyn_relocs *p; | |
1440 | struct _bfd_sparc_elf_dyn_relocs **head; | |
1441 | ||
1442 | /* When creating a shared object, we must copy these | |
1443 | relocs into the output file. We create a reloc | |
1444 | section in dynobj and make room for the reloc. */ | |
1445 | if (sreloc == NULL) | |
1446 | { | |
1447 | const char *name; | |
1448 | bfd *dynobj; | |
1449 | ||
1450 | name = (bfd_elf_string_from_elf_section | |
1451 | (abfd, | |
1452 | elf_elfheader (abfd)->e_shstrndx, | |
1453 | elf_section_data (sec)->rel_hdr.sh_name)); | |
1454 | if (name == NULL) | |
1455 | return FALSE; | |
1456 | ||
0112cd26 | 1457 | BFD_ASSERT (CONST_STRNEQ (name, ".rela") |
22b75d0a DM |
1458 | && strcmp (bfd_get_section_name (abfd, sec), |
1459 | name + 5) == 0); | |
1460 | ||
1461 | if (htab->elf.dynobj == NULL) | |
1462 | htab->elf.dynobj = abfd; | |
1463 | dynobj = htab->elf.dynobj; | |
1464 | ||
1465 | sreloc = bfd_get_section_by_name (dynobj, name); | |
1466 | if (sreloc == NULL) | |
1467 | { | |
1468 | flagword flags; | |
1469 | ||
22b75d0a DM |
1470 | flags = (SEC_HAS_CONTENTS | SEC_READONLY |
1471 | | SEC_IN_MEMORY | SEC_LINKER_CREATED); | |
1472 | if ((sec->flags & SEC_ALLOC) != 0) | |
1473 | flags |= SEC_ALLOC | SEC_LOAD; | |
3496cb2a L |
1474 | sreloc = bfd_make_section_with_flags (dynobj, |
1475 | name, | |
1476 | flags); | |
22b75d0a | 1477 | if (sreloc == NULL |
22b75d0a DM |
1478 | || ! bfd_set_section_alignment (dynobj, sreloc, |
1479 | htab->word_align_power)) | |
1480 | return FALSE; | |
1481 | } | |
1482 | elf_section_data (sec)->sreloc = sreloc; | |
1483 | } | |
1484 | ||
1485 | /* If this is a global symbol, we count the number of | |
1486 | relocations we need for this symbol. */ | |
1487 | if (h != NULL) | |
1488 | head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs; | |
1489 | else | |
1490 | { | |
1491 | /* Track dynamic relocs needed for local syms too. | |
1492 | We really need local syms available to do this | |
1493 | easily. Oh well. */ | |
1494 | ||
1495 | asection *s; | |
6edfbbad DJ |
1496 | void *vpp; |
1497 | ||
22b75d0a DM |
1498 | s = bfd_section_from_r_symndx (abfd, &htab->sym_sec, |
1499 | sec, r_symndx); | |
1500 | if (s == NULL) | |
1501 | return FALSE; | |
1502 | ||
6edfbbad DJ |
1503 | vpp = &elf_section_data (s)->local_dynrel; |
1504 | head = (struct _bfd_sparc_elf_dyn_relocs **) vpp; | |
22b75d0a DM |
1505 | } |
1506 | ||
1507 | p = *head; | |
1508 | if (p == NULL || p->sec != sec) | |
1509 | { | |
1510 | bfd_size_type amt = sizeof *p; | |
1511 | p = ((struct _bfd_sparc_elf_dyn_relocs *) | |
1512 | bfd_alloc (htab->elf.dynobj, amt)); | |
1513 | if (p == NULL) | |
1514 | return FALSE; | |
1515 | p->next = *head; | |
1516 | *head = p; | |
1517 | p->sec = sec; | |
1518 | p->count = 0; | |
1519 | p->pc_count = 0; | |
1520 | } | |
1521 | ||
1522 | p->count += 1; | |
1523 | if (_bfd_sparc_elf_howto_table[r_type].pc_relative) | |
1524 | p->pc_count += 1; | |
1525 | } | |
1526 | ||
1527 | break; | |
1528 | ||
1529 | case R_SPARC_GNU_VTINHERIT: | |
1530 | if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) | |
1531 | return FALSE; | |
1532 | break; | |
1533 | ||
1534 | case R_SPARC_GNU_VTENTRY: | |
1535 | if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) | |
1536 | return FALSE; | |
1537 | break; | |
1538 | ||
1539 | case R_SPARC_REGISTER: | |
1540 | /* Nothing to do. */ | |
1541 | break; | |
1542 | ||
1543 | default: | |
1544 | break; | |
1545 | } | |
1546 | } | |
1547 | ||
1548 | return TRUE; | |
1549 | } | |
1550 | \f | |
1551 | asection * | |
1552 | _bfd_sparc_elf_gc_mark_hook (asection *sec, | |
1553 | struct bfd_link_info *info, | |
1554 | Elf_Internal_Rela *rel, | |
1555 | struct elf_link_hash_entry *h, | |
1556 | Elf_Internal_Sym *sym) | |
1557 | { | |
1558 | if (h != NULL) | |
07adf181 | 1559 | switch (SPARC_ELF_R_TYPE (rel->r_info)) |
22b75d0a DM |
1560 | { |
1561 | case R_SPARC_GNU_VTINHERIT: | |
1562 | case R_SPARC_GNU_VTENTRY: | |
07adf181 | 1563 | return NULL; |
22b75d0a | 1564 | } |
22b75d0a | 1565 | |
07adf181 | 1566 | return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); |
22b75d0a DM |
1567 | } |
1568 | ||
1569 | /* Update the got entry reference counts for the section being removed. */ | |
1570 | bfd_boolean | |
1571 | _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info, | |
1572 | asection *sec, const Elf_Internal_Rela *relocs) | |
1573 | { | |
1574 | struct _bfd_sparc_elf_link_hash_table *htab; | |
1575 | Elf_Internal_Shdr *symtab_hdr; | |
1576 | struct elf_link_hash_entry **sym_hashes; | |
1577 | bfd_signed_vma *local_got_refcounts; | |
1578 | const Elf_Internal_Rela *rel, *relend; | |
1579 | ||
1580 | elf_section_data (sec)->local_dynrel = NULL; | |
1581 | ||
1582 | htab = _bfd_sparc_elf_hash_table (info); | |
1583 | symtab_hdr = &elf_tdata (abfd)->symtab_hdr; | |
1584 | sym_hashes = elf_sym_hashes (abfd); | |
1585 | local_got_refcounts = elf_local_got_refcounts (abfd); | |
1586 | ||
1587 | relend = relocs + sec->reloc_count; | |
1588 | for (rel = relocs; rel < relend; rel++) | |
1589 | { | |
1590 | unsigned long r_symndx; | |
1591 | unsigned int r_type; | |
1592 | struct elf_link_hash_entry *h = NULL; | |
1593 | ||
1594 | r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info); | |
1595 | if (r_symndx >= symtab_hdr->sh_info) | |
1596 | { | |
1597 | struct _bfd_sparc_elf_link_hash_entry *eh; | |
1598 | struct _bfd_sparc_elf_dyn_relocs **pp; | |
1599 | struct _bfd_sparc_elf_dyn_relocs *p; | |
1600 | ||
1601 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; | |
1602 | while (h->root.type == bfd_link_hash_indirect | |
1603 | || h->root.type == bfd_link_hash_warning) | |
1604 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1605 | eh = (struct _bfd_sparc_elf_link_hash_entry *) h; | |
1606 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next) | |
1607 | if (p->sec == sec) | |
1608 | { | |
1609 | /* Everything must go for SEC. */ | |
1610 | *pp = p->next; | |
1611 | break; | |
1612 | } | |
1613 | } | |
1614 | ||
1615 | r_type = SPARC_ELF_R_TYPE (rel->r_info); | |
1616 | r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL); | |
1617 | switch (r_type) | |
1618 | { | |
1619 | case R_SPARC_TLS_LDM_HI22: | |
1620 | case R_SPARC_TLS_LDM_LO10: | |
1621 | if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0) | |
1622 | _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1; | |
1623 | break; | |
1624 | ||
1625 | case R_SPARC_TLS_GD_HI22: | |
1626 | case R_SPARC_TLS_GD_LO10: | |
1627 | case R_SPARC_TLS_IE_HI22: | |
1628 | case R_SPARC_TLS_IE_LO10: | |
1629 | case R_SPARC_GOT10: | |
1630 | case R_SPARC_GOT13: | |
1631 | case R_SPARC_GOT22: | |
1632 | if (h != NULL) | |
1633 | { | |
1634 | if (h->got.refcount > 0) | |
1635 | h->got.refcount--; | |
1636 | } | |
1637 | else | |
1638 | { | |
1639 | if (local_got_refcounts[r_symndx] > 0) | |
1640 | local_got_refcounts[r_symndx]--; | |
1641 | } | |
1642 | break; | |
1643 | ||
1644 | case R_SPARC_PC10: | |
1645 | case R_SPARC_PC22: | |
1646 | case R_SPARC_PC_HH22: | |
1647 | case R_SPARC_PC_HM10: | |
1648 | case R_SPARC_PC_LM22: | |
1649 | if (h != NULL | |
1650 | && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
1651 | break; | |
1652 | /* Fall through. */ | |
1653 | ||
1654 | case R_SPARC_DISP8: | |
1655 | case R_SPARC_DISP16: | |
1656 | case R_SPARC_DISP32: | |
1657 | case R_SPARC_DISP64: | |
1658 | case R_SPARC_WDISP30: | |
1659 | case R_SPARC_WDISP22: | |
1660 | case R_SPARC_WDISP19: | |
1661 | case R_SPARC_WDISP16: | |
1662 | case R_SPARC_8: | |
1663 | case R_SPARC_16: | |
1664 | case R_SPARC_32: | |
1665 | case R_SPARC_HI22: | |
1666 | case R_SPARC_22: | |
1667 | case R_SPARC_13: | |
1668 | case R_SPARC_LO10: | |
1669 | case R_SPARC_UA16: | |
1670 | case R_SPARC_UA32: | |
1671 | case R_SPARC_PLT32: | |
1672 | case R_SPARC_10: | |
1673 | case R_SPARC_11: | |
1674 | case R_SPARC_64: | |
1675 | case R_SPARC_OLO10: | |
1676 | case R_SPARC_HH22: | |
1677 | case R_SPARC_HM10: | |
1678 | case R_SPARC_LM22: | |
1679 | case R_SPARC_7: | |
1680 | case R_SPARC_5: | |
1681 | case R_SPARC_6: | |
1682 | case R_SPARC_HIX22: | |
1683 | case R_SPARC_LOX10: | |
1684 | case R_SPARC_H44: | |
1685 | case R_SPARC_M44: | |
1686 | case R_SPARC_L44: | |
1687 | case R_SPARC_UA64: | |
1688 | if (info->shared) | |
1689 | break; | |
1690 | /* Fall through. */ | |
1691 | ||
1692 | case R_SPARC_WPLT30: | |
1693 | if (h != NULL) | |
1694 | { | |
1695 | if (h->plt.refcount > 0) | |
1696 | h->plt.refcount--; | |
1697 | } | |
1698 | break; | |
1699 | ||
1700 | default: | |
1701 | break; | |
1702 | } | |
1703 | } | |
1704 | ||
1705 | return TRUE; | |
1706 | } | |
1707 | ||
1708 | /* Adjust a symbol defined by a dynamic object and referenced by a | |
1709 | regular object. The current definition is in some section of the | |
1710 | dynamic object, but we're not including those sections. We have to | |
1711 | change the definition to something the rest of the link can | |
1712 | understand. */ | |
1713 | ||
1714 | bfd_boolean | |
1715 | _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info, | |
1716 | struct elf_link_hash_entry *h) | |
1717 | { | |
1718 | struct _bfd_sparc_elf_link_hash_table *htab; | |
1719 | struct _bfd_sparc_elf_link_hash_entry * eh; | |
1720 | struct _bfd_sparc_elf_dyn_relocs *p; | |
1721 | asection *s; | |
1722 | unsigned int power_of_two; | |
1723 | ||
1724 | htab = _bfd_sparc_elf_hash_table (info); | |
1725 | ||
1726 | /* Make sure we know what is going on here. */ | |
1727 | BFD_ASSERT (htab->elf.dynobj != NULL | |
1728 | && (h->needs_plt | |
1729 | || h->u.weakdef != NULL | |
1730 | || (h->def_dynamic | |
1731 | && h->ref_regular | |
1732 | && !h->def_regular))); | |
1733 | ||
1734 | /* If this is a function, put it in the procedure linkage table. We | |
1735 | will fill in the contents of the procedure linkage table later | |
1736 | (although we could actually do it here). The STT_NOTYPE | |
1737 | condition is a hack specifically for the Oracle libraries | |
1738 | delivered for Solaris; for some inexplicable reason, they define | |
1739 | some of their functions as STT_NOTYPE when they really should be | |
1740 | STT_FUNC. */ | |
1741 | if (h->type == STT_FUNC | |
1742 | || h->needs_plt | |
1743 | || (h->type == STT_NOTYPE | |
1744 | && (h->root.type == bfd_link_hash_defined | |
1745 | || h->root.type == bfd_link_hash_defweak) | |
1746 | && (h->root.u.def.section->flags & SEC_CODE) != 0)) | |
1747 | { | |
1748 | if (h->plt.refcount <= 0 | |
1749 | || (! info->shared | |
1750 | && !h->def_dynamic | |
1751 | && !h->ref_dynamic | |
1752 | && h->root.type != bfd_link_hash_undefweak | |
1753 | && h->root.type != bfd_link_hash_undefined)) | |
1754 | { | |
1755 | /* This case can occur if we saw a WPLT30 reloc in an input | |
1756 | file, but the symbol was never referred to by a dynamic | |
1757 | object, or if all references were garbage collected. In | |
1758 | such a case, we don't actually need to build a procedure | |
1759 | linkage table, and we can just do a WDISP30 reloc instead. */ | |
1760 | h->plt.offset = (bfd_vma) -1; | |
1761 | h->needs_plt = 0; | |
1762 | } | |
1763 | ||
1764 | return TRUE; | |
1765 | } | |
1766 | else | |
1767 | h->plt.offset = (bfd_vma) -1; | |
1768 | ||
1769 | /* If this is a weak symbol, and there is a real definition, the | |
1770 | processor independent code will have arranged for us to see the | |
1771 | real definition first, and we can just use the same value. */ | |
1772 | if (h->u.weakdef != NULL) | |
1773 | { | |
1774 | BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined | |
1775 | || h->u.weakdef->root.type == bfd_link_hash_defweak); | |
1776 | h->root.u.def.section = h->u.weakdef->root.u.def.section; | |
1777 | h->root.u.def.value = h->u.weakdef->root.u.def.value; | |
1778 | return TRUE; | |
1779 | } | |
1780 | ||
1781 | /* This is a reference to a symbol defined by a dynamic object which | |
1782 | is not a function. */ | |
1783 | ||
1784 | /* If we are creating a shared library, we must presume that the | |
1785 | only references to the symbol are via the global offset table. | |
1786 | For such cases we need not do anything here; the relocations will | |
1787 | be handled correctly by relocate_section. */ | |
1788 | if (info->shared) | |
1789 | return TRUE; | |
1790 | ||
1791 | /* If there are no references to this symbol that do not use the | |
1792 | GOT, we don't need to generate a copy reloc. */ | |
1793 | if (!h->non_got_ref) | |
1794 | return TRUE; | |
1795 | ||
1796 | eh = (struct _bfd_sparc_elf_link_hash_entry *) h; | |
1797 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
1798 | { | |
1799 | s = p->sec->output_section; | |
1800 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
1801 | break; | |
1802 | } | |
1803 | ||
1804 | /* If we didn't find any dynamic relocs in read-only sections, then | |
1805 | we'll be keeping the dynamic relocs and avoiding the copy reloc. */ | |
1806 | if (p == NULL) | |
1807 | { | |
1808 | h->non_got_ref = 0; | |
1809 | return TRUE; | |
1810 | } | |
1811 | ||
909272ee AM |
1812 | if (h->size == 0) |
1813 | { | |
1814 | (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"), | |
1815 | h->root.root.string); | |
1816 | return TRUE; | |
1817 | } | |
1818 | ||
22b75d0a DM |
1819 | /* We must allocate the symbol in our .dynbss section, which will |
1820 | become part of the .bss section of the executable. There will be | |
1821 | an entry for this symbol in the .dynsym section. The dynamic | |
1822 | object will contain position independent code, so all references | |
1823 | from the dynamic object to this symbol will go through the global | |
1824 | offset table. The dynamic linker will use the .dynsym entry to | |
1825 | determine the address it must put in the global offset table, so | |
1826 | both the dynamic object and the regular object will refer to the | |
1827 | same memory location for the variable. */ | |
1828 | ||
1829 | /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker | |
1830 | to copy the initial value out of the dynamic object and into the | |
1831 | runtime process image. We need to remember the offset into the | |
1832 | .rel.bss section we are going to use. */ | |
1833 | if ((h->root.u.def.section->flags & SEC_ALLOC) != 0) | |
1834 | { | |
1835 | htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab); | |
1836 | h->needs_copy = 1; | |
1837 | } | |
1838 | ||
1839 | /* We need to figure out the alignment required for this symbol. I | |
1840 | have no idea how ELF linkers handle this. */ | |
1841 | power_of_two = bfd_log2 (h->size); | |
1842 | if (power_of_two > htab->align_power_max) | |
1843 | power_of_two = htab->align_power_max; | |
1844 | ||
1845 | /* Apply the required alignment. */ | |
1846 | s = htab->sdynbss; | |
1847 | s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two)); | |
1848 | if (power_of_two > bfd_get_section_alignment (dynobj, s)) | |
1849 | { | |
1850 | if (! bfd_set_section_alignment (dynobj, s, power_of_two)) | |
1851 | return FALSE; | |
1852 | } | |
1853 | ||
1854 | /* Define the symbol as being at this point in the section. */ | |
1855 | h->root.u.def.section = s; | |
1856 | h->root.u.def.value = s->size; | |
1857 | ||
1858 | /* Increment the section size to make room for the symbol. */ | |
1859 | s->size += h->size; | |
1860 | ||
1861 | return TRUE; | |
1862 | } | |
1863 | ||
1864 | /* Allocate space in .plt, .got and associated reloc sections for | |
1865 | dynamic relocs. */ | |
1866 | ||
1867 | static bfd_boolean | |
1868 | allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf) | |
1869 | { | |
1870 | struct bfd_link_info *info; | |
1871 | struct _bfd_sparc_elf_link_hash_table *htab; | |
1872 | struct _bfd_sparc_elf_link_hash_entry *eh; | |
1873 | struct _bfd_sparc_elf_dyn_relocs *p; | |
1874 | ||
1875 | if (h->root.type == bfd_link_hash_indirect) | |
1876 | return TRUE; | |
1877 | ||
1878 | if (h->root.type == bfd_link_hash_warning) | |
1879 | /* When warning symbols are created, they **replace** the "real" | |
1880 | entry in the hash table, thus we never get to see the real | |
1881 | symbol in a hash traversal. So look at it now. */ | |
1882 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
1883 | ||
1884 | info = (struct bfd_link_info *) inf; | |
1885 | htab = _bfd_sparc_elf_hash_table (info); | |
1886 | ||
1887 | if (htab->elf.dynamic_sections_created | |
1888 | && h->plt.refcount > 0) | |
1889 | { | |
1890 | /* Make sure this symbol is output as a dynamic symbol. | |
1891 | Undefined weak syms won't yet be marked as dynamic. */ | |
1892 | if (h->dynindx == -1 | |
1893 | && !h->forced_local) | |
1894 | { | |
1895 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
1896 | return FALSE; | |
1897 | } | |
1898 | ||
1899 | if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h)) | |
1900 | { | |
1901 | asection *s = htab->splt; | |
1902 | ||
910600e9 | 1903 | /* Allocate room for the header. */ |
22b75d0a | 1904 | if (s->size == 0) |
910600e9 RS |
1905 | { |
1906 | s->size = htab->plt_header_size; | |
1907 | ||
1908 | /* Allocate space for the .rela.plt.unloaded relocations. */ | |
1909 | if (htab->is_vxworks && !info->shared) | |
1910 | htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2; | |
1911 | } | |
22b75d0a DM |
1912 | |
1913 | /* The procedure linkage table size is bounded by the magnitude | |
1914 | of the offset we can describe in the entry. */ | |
1915 | if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ? | |
e8be8da4 | 1916 | (((bfd_vma)1 << 31) << 1) : 0x400000)) |
22b75d0a DM |
1917 | { |
1918 | bfd_set_error (bfd_error_bad_value); | |
1919 | return FALSE; | |
1920 | } | |
1921 | ||
1922 | if (SPARC_ELF_WORD_BYTES(htab) == 8 | |
1923 | && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE) | |
1924 | { | |
1925 | bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE; | |
1926 | ||
1927 | ||
1928 | off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE; | |
1929 | ||
1930 | h->plt.offset = (s->size - (off * 8)); | |
1931 | } | |
1932 | else | |
1933 | h->plt.offset = s->size; | |
1934 | ||
1935 | /* If this symbol is not defined in a regular file, and we are | |
1936 | not generating a shared library, then set the symbol to this | |
1937 | location in the .plt. This is required to make function | |
1938 | pointers compare as equal between the normal executable and | |
1939 | the shared library. */ | |
1940 | if (! info->shared | |
1941 | && !h->def_regular) | |
1942 | { | |
1943 | h->root.u.def.section = s; | |
1944 | h->root.u.def.value = h->plt.offset; | |
1945 | } | |
1946 | ||
1947 | /* Make room for this entry. */ | |
910600e9 | 1948 | s->size += htab->plt_entry_size; |
22b75d0a DM |
1949 | |
1950 | /* We also need to make an entry in the .rela.plt section. */ | |
1951 | htab->srelplt->size += SPARC_ELF_RELA_BYTES (htab); | |
910600e9 RS |
1952 | |
1953 | if (htab->is_vxworks) | |
1954 | { | |
1955 | /* Allocate space for the .got.plt entry. */ | |
1956 | htab->sgotplt->size += 4; | |
1957 | ||
1958 | /* ...and for the .rela.plt.unloaded relocations. */ | |
1959 | if (!info->shared) | |
1960 | htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3; | |
1961 | } | |
22b75d0a DM |
1962 | } |
1963 | else | |
1964 | { | |
1965 | h->plt.offset = (bfd_vma) -1; | |
1966 | h->needs_plt = 0; | |
1967 | } | |
1968 | } | |
1969 | else | |
1970 | { | |
1971 | h->plt.offset = (bfd_vma) -1; | |
1972 | h->needs_plt = 0; | |
1973 | } | |
1974 | ||
1975 | /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary, | |
1976 | make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */ | |
1977 | if (h->got.refcount > 0 | |
1978 | && !info->shared | |
1979 | && h->dynindx == -1 | |
1980 | && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE) | |
1981 | h->got.offset = (bfd_vma) -1; | |
1982 | else if (h->got.refcount > 0) | |
1983 | { | |
1984 | asection *s; | |
1985 | bfd_boolean dyn; | |
1986 | int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; | |
1987 | ||
1988 | /* Make sure this symbol is output as a dynamic symbol. | |
1989 | Undefined weak syms won't yet be marked as dynamic. */ | |
1990 | if (h->dynindx == -1 | |
1991 | && !h->forced_local) | |
1992 | { | |
1993 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
1994 | return FALSE; | |
1995 | } | |
1996 | ||
1997 | s = htab->sgot; | |
1998 | h->got.offset = s->size; | |
1999 | s->size += SPARC_ELF_WORD_BYTES (htab); | |
2000 | /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */ | |
2001 | if (tls_type == GOT_TLS_GD) | |
2002 | s->size += SPARC_ELF_WORD_BYTES (htab); | |
2003 | dyn = htab->elf.dynamic_sections_created; | |
2004 | /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation, | |
2005 | R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if | |
2006 | global. */ | |
2007 | if ((tls_type == GOT_TLS_GD && h->dynindx == -1) | |
2008 | || tls_type == GOT_TLS_IE) | |
2009 | htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab); | |
2010 | else if (tls_type == GOT_TLS_GD) | |
2011 | htab->srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab); | |
2012 | else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)) | |
2013 | htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab); | |
2014 | } | |
2015 | else | |
2016 | h->got.offset = (bfd_vma) -1; | |
2017 | ||
2018 | eh = (struct _bfd_sparc_elf_link_hash_entry *) h; | |
2019 | if (eh->dyn_relocs == NULL) | |
2020 | return TRUE; | |
2021 | ||
2022 | /* In the shared -Bsymbolic case, discard space allocated for | |
2023 | dynamic pc-relative relocs against symbols which turn out to be | |
2024 | defined in regular objects. For the normal shared case, discard | |
2025 | space for pc-relative relocs that have become local due to symbol | |
2026 | visibility changes. */ | |
2027 | ||
2028 | if (info->shared) | |
2029 | { | |
2030 | if (h->def_regular | |
2031 | && (h->forced_local | |
2032 | || info->symbolic)) | |
2033 | { | |
2034 | struct _bfd_sparc_elf_dyn_relocs **pp; | |
2035 | ||
2036 | for (pp = &eh->dyn_relocs; (p = *pp) != NULL; ) | |
2037 | { | |
2038 | p->count -= p->pc_count; | |
2039 | p->pc_count = 0; | |
2040 | if (p->count == 0) | |
2041 | *pp = p->next; | |
2042 | else | |
2043 | pp = &p->next; | |
2044 | } | |
2045 | } | |
22d606e9 AM |
2046 | |
2047 | /* Also discard relocs on undefined weak syms with non-default | |
2048 | visibility. */ | |
2049 | if (eh->dyn_relocs != NULL | |
2050 | && h->root.type == bfd_link_hash_undefweak) | |
2051 | { | |
2052 | if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT) | |
2053 | eh->dyn_relocs = NULL; | |
2054 | ||
2055 | /* Make sure undefined weak symbols are output as a dynamic | |
2056 | symbol in PIEs. */ | |
2057 | else if (h->dynindx == -1 | |
2058 | && !h->forced_local) | |
2059 | { | |
2060 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2061 | return FALSE; | |
2062 | } | |
2063 | } | |
22b75d0a DM |
2064 | } |
2065 | else | |
2066 | { | |
2067 | /* For the non-shared case, discard space for relocs against | |
2068 | symbols which turn out to need copy relocs or are not | |
2069 | dynamic. */ | |
2070 | ||
2071 | if (!h->non_got_ref | |
2072 | && ((h->def_dynamic | |
2073 | && !h->def_regular) | |
2074 | || (htab->elf.dynamic_sections_created | |
2075 | && (h->root.type == bfd_link_hash_undefweak | |
2076 | || h->root.type == bfd_link_hash_undefined)))) | |
2077 | { | |
2078 | /* Make sure this symbol is output as a dynamic symbol. | |
2079 | Undefined weak syms won't yet be marked as dynamic. */ | |
2080 | if (h->dynindx == -1 | |
2081 | && !h->forced_local) | |
2082 | { | |
2083 | if (! bfd_elf_link_record_dynamic_symbol (info, h)) | |
2084 | return FALSE; | |
2085 | } | |
2086 | ||
2087 | /* If that succeeded, we know we'll be keeping all the | |
2088 | relocs. */ | |
2089 | if (h->dynindx != -1) | |
2090 | goto keep; | |
2091 | } | |
2092 | ||
2093 | eh->dyn_relocs = NULL; | |
2094 | ||
2095 | keep: ; | |
2096 | } | |
2097 | ||
2098 | /* Finally, allocate space. */ | |
2099 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2100 | { | |
2101 | asection *sreloc = elf_section_data (p->sec)->sreloc; | |
2102 | sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab); | |
2103 | } | |
2104 | ||
2105 | return TRUE; | |
2106 | } | |
2107 | ||
2108 | /* Find any dynamic relocs that apply to read-only sections. */ | |
2109 | ||
2110 | static bfd_boolean | |
2111 | readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf) | |
2112 | { | |
2113 | struct _bfd_sparc_elf_link_hash_entry *eh; | |
2114 | struct _bfd_sparc_elf_dyn_relocs *p; | |
2115 | ||
2116 | if (h->root.type == bfd_link_hash_warning) | |
2117 | h = (struct elf_link_hash_entry *) h->root.u.i.link; | |
2118 | ||
2119 | eh = (struct _bfd_sparc_elf_link_hash_entry *) h; | |
2120 | for (p = eh->dyn_relocs; p != NULL; p = p->next) | |
2121 | { | |
2122 | asection *s = p->sec->output_section; | |
2123 | ||
2124 | if (s != NULL && (s->flags & SEC_READONLY) != 0) | |
2125 | { | |
2126 | struct bfd_link_info *info = (struct bfd_link_info *) inf; | |
2127 | ||
2128 | info->flags |= DF_TEXTREL; | |
2129 | ||
2130 | /* Not an error, just cut short the traversal. */ | |
2131 | return FALSE; | |
2132 | } | |
2133 | } | |
2134 | return TRUE; | |
2135 | } | |
2136 | ||
2137 | /* Return true if the dynamic symbol for a given section should be | |
2138 | omitted when creating a shared library. */ | |
2139 | ||
2140 | bfd_boolean | |
2141 | _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd, | |
2142 | struct bfd_link_info *info, | |
2143 | asection *p) | |
2144 | { | |
2145 | /* We keep the .got section symbol so that explicit relocations | |
2146 | against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode | |
2147 | can be turned into relocations against the .got symbol. */ | |
2148 | if (strcmp (p->name, ".got") == 0) | |
2149 | return FALSE; | |
2150 | ||
2151 | return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p); | |
2152 | } | |
2153 | ||
2154 | /* Set the sizes of the dynamic sections. */ | |
2155 | ||
2156 | bfd_boolean | |
2157 | _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd, | |
2158 | struct bfd_link_info *info) | |
2159 | { | |
2160 | struct _bfd_sparc_elf_link_hash_table *htab; | |
2161 | bfd *dynobj; | |
2162 | asection *s; | |
2163 | bfd *ibfd; | |
2164 | ||
2165 | htab = _bfd_sparc_elf_hash_table (info); | |
2166 | dynobj = htab->elf.dynobj; | |
2167 | BFD_ASSERT (dynobj != NULL); | |
2168 | ||
2169 | if (elf_hash_table (info)->dynamic_sections_created) | |
2170 | { | |
2171 | /* Set the contents of the .interp section to the interpreter. */ | |
2172 | if (info->executable) | |
2173 | { | |
2174 | s = bfd_get_section_by_name (dynobj, ".interp"); | |
2175 | BFD_ASSERT (s != NULL); | |
2176 | s->size = htab->dynamic_interpreter_size; | |
2177 | s->contents = (unsigned char *) htab->dynamic_interpreter; | |
2178 | } | |
2179 | } | |
2180 | ||
2181 | /* Set up .got offsets for local syms, and space for local dynamic | |
2182 | relocs. */ | |
2183 | for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next) | |
2184 | { | |
2185 | bfd_signed_vma *local_got; | |
2186 | bfd_signed_vma *end_local_got; | |
2187 | char *local_tls_type; | |
2188 | bfd_size_type locsymcount; | |
2189 | Elf_Internal_Shdr *symtab_hdr; | |
2190 | asection *srel; | |
2191 | ||
2192 | if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour) | |
2193 | continue; | |
2194 | ||
2195 | for (s = ibfd->sections; s != NULL; s = s->next) | |
2196 | { | |
2197 | struct _bfd_sparc_elf_dyn_relocs *p; | |
2198 | ||
6edfbbad | 2199 | for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next) |
22b75d0a DM |
2200 | { |
2201 | if (!bfd_is_abs_section (p->sec) | |
2202 | && bfd_is_abs_section (p->sec->output_section)) | |
2203 | { | |
2204 | /* Input section has been discarded, either because | |
2205 | it is a copy of a linkonce section or due to | |
2206 | linker script /DISCARD/, so we'll be discarding | |
2207 | the relocs too. */ | |
2208 | } | |
2209 | else if (p->count != 0) | |
2210 | { | |
2211 | srel = elf_section_data (p->sec)->sreloc; | |
2212 | srel->size += p->count * SPARC_ELF_RELA_BYTES (htab); | |
2213 | if ((p->sec->output_section->flags & SEC_READONLY) != 0) | |
2214 | info->flags |= DF_TEXTREL; | |
2215 | } | |
2216 | } | |
2217 | } | |
2218 | ||
2219 | local_got = elf_local_got_refcounts (ibfd); | |
2220 | if (!local_got) | |
2221 | continue; | |
2222 | ||
2223 | symtab_hdr = &elf_tdata (ibfd)->symtab_hdr; | |
2224 | locsymcount = symtab_hdr->sh_info; | |
2225 | end_local_got = local_got + locsymcount; | |
2226 | local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd); | |
2227 | s = htab->sgot; | |
2228 | srel = htab->srelgot; | |
2229 | for (; local_got < end_local_got; ++local_got, ++local_tls_type) | |
2230 | { | |
2231 | if (*local_got > 0) | |
2232 | { | |
2233 | *local_got = s->size; | |
2234 | s->size += SPARC_ELF_WORD_BYTES (htab); | |
2235 | if (*local_tls_type == GOT_TLS_GD) | |
2236 | s->size += SPARC_ELF_WORD_BYTES (htab); | |
2237 | if (info->shared | |
2238 | || *local_tls_type == GOT_TLS_GD | |
2239 | || *local_tls_type == GOT_TLS_IE) | |
2240 | srel->size += SPARC_ELF_RELA_BYTES (htab); | |
2241 | } | |
2242 | else | |
2243 | *local_got = (bfd_vma) -1; | |
2244 | } | |
2245 | } | |
2246 | ||
2247 | if (htab->tls_ldm_got.refcount > 0) | |
2248 | { | |
2249 | /* Allocate 2 got entries and 1 dynamic reloc for | |
2250 | R_SPARC_TLS_LDM_{HI22,LO10} relocs. */ | |
2251 | htab->tls_ldm_got.offset = htab->sgot->size; | |
2252 | htab->sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab)); | |
2253 | htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab); | |
2254 | } | |
2255 | else | |
2256 | htab->tls_ldm_got.offset = -1; | |
2257 | ||
2258 | /* Allocate global sym .plt and .got entries, and space for global | |
2259 | sym dynamic relocs. */ | |
2260 | elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info); | |
2261 | ||
2262 | if (! ABI_64_P (output_bfd) | |
910600e9 | 2263 | && !htab->is_vxworks |
22b75d0a DM |
2264 | && elf_hash_table (info)->dynamic_sections_created) |
2265 | { | |
2266 | /* Make space for the trailing nop in .plt. */ | |
2267 | if (htab->splt->size > 0) | |
2268 | htab->splt->size += 1 * SPARC_INSN_BYTES; | |
2269 | ||
2270 | /* If the .got section is more than 0x1000 bytes, we add | |
2271 | 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13 | |
2272 | bit relocations have a greater chance of working. | |
2273 | ||
2274 | FIXME: Make this optimization work for 64-bit too. */ | |
2275 | if (htab->sgot->size >= 0x1000 | |
2276 | && elf_hash_table (info)->hgot->root.u.def.value == 0) | |
2277 | elf_hash_table (info)->hgot->root.u.def.value = 0x1000; | |
2278 | } | |
2279 | ||
2280 | /* The check_relocs and adjust_dynamic_symbol entry points have | |
2281 | determined the sizes of the various dynamic sections. Allocate | |
2282 | memory for them. */ | |
2283 | for (s = dynobj->sections; s != NULL; s = s->next) | |
2284 | { | |
22b75d0a DM |
2285 | if ((s->flags & SEC_LINKER_CREATED) == 0) |
2286 | continue; | |
2287 | ||
c456f082 AM |
2288 | if (s == htab->splt |
2289 | || s == htab->sgot | |
910600e9 RS |
2290 | || s == htab->sdynbss |
2291 | || s == htab->sgotplt) | |
22b75d0a | 2292 | { |
c456f082 AM |
2293 | /* Strip this section if we don't need it; see the |
2294 | comment below. */ | |
2295 | } | |
0112cd26 | 2296 | else if (CONST_STRNEQ (s->name, ".rela")) |
c456f082 AM |
2297 | { |
2298 | if (s->size != 0) | |
22b75d0a DM |
2299 | { |
2300 | /* We use the reloc_count field as a counter if we need | |
2301 | to copy relocs into the output file. */ | |
2302 | s->reloc_count = 0; | |
2303 | } | |
2304 | } | |
c456f082 | 2305 | else |
22b75d0a | 2306 | { |
c456f082 | 2307 | /* It's not one of our sections. */ |
22b75d0a DM |
2308 | continue; |
2309 | } | |
2310 | ||
c456f082 | 2311 | if (s->size == 0) |
22b75d0a | 2312 | { |
c456f082 AM |
2313 | /* If we don't need this section, strip it from the |
2314 | output file. This is mostly to handle .rela.bss and | |
2315 | .rela.plt. We must create both sections in | |
2316 | create_dynamic_sections, because they must be created | |
2317 | before the linker maps input sections to output | |
2318 | sections. The linker does that before | |
2319 | adjust_dynamic_symbol is called, and it is that | |
2320 | function which decides whether anything needs to go | |
2321 | into these sections. */ | |
8423293d | 2322 | s->flags |= SEC_EXCLUDE; |
22b75d0a DM |
2323 | continue; |
2324 | } | |
2325 | ||
c456f082 AM |
2326 | if ((s->flags & SEC_HAS_CONTENTS) == 0) |
2327 | continue; | |
2328 | ||
22b75d0a DM |
2329 | /* Allocate memory for the section contents. Zero the memory |
2330 | for the benefit of .rela.plt, which has 4 unused entries | |
2331 | at the beginning, and we don't want garbage. */ | |
2332 | s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); | |
c456f082 | 2333 | if (s->contents == NULL) |
22b75d0a DM |
2334 | return FALSE; |
2335 | } | |
2336 | ||
2337 | if (elf_hash_table (info)->dynamic_sections_created) | |
2338 | { | |
2339 | /* Add some entries to the .dynamic section. We fill in the | |
2340 | values later, in _bfd_sparc_elf_finish_dynamic_sections, but we | |
2341 | must add the entries now so that we get the correct size for | |
2342 | the .dynamic section. The DT_DEBUG entry is filled in by the | |
2343 | dynamic linker and used by the debugger. */ | |
2344 | #define add_dynamic_entry(TAG, VAL) \ | |
2345 | _bfd_elf_add_dynamic_entry (info, TAG, VAL) | |
2346 | ||
2347 | if (info->executable) | |
2348 | { | |
2349 | if (!add_dynamic_entry (DT_DEBUG, 0)) | |
2350 | return FALSE; | |
2351 | } | |
2352 | ||
2353 | if (htab->srelplt->size != 0) | |
2354 | { | |
2355 | if (!add_dynamic_entry (DT_PLTGOT, 0) | |
2356 | || !add_dynamic_entry (DT_PLTRELSZ, 0) | |
2357 | || !add_dynamic_entry (DT_PLTREL, DT_RELA) | |
2358 | || !add_dynamic_entry (DT_JMPREL, 0)) | |
2359 | return FALSE; | |
2360 | } | |
2361 | ||
2362 | if (!add_dynamic_entry (DT_RELA, 0) | |
2363 | || !add_dynamic_entry (DT_RELASZ, 0) | |
2364 | || !add_dynamic_entry (DT_RELAENT, | |
2365 | SPARC_ELF_RELA_BYTES (htab))) | |
2366 | return FALSE; | |
2367 | ||
2368 | /* If any dynamic relocs apply to a read-only section, | |
2369 | then we need a DT_TEXTREL entry. */ | |
2370 | if ((info->flags & DF_TEXTREL) == 0) | |
2371 | elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, | |
2372 | (PTR) info); | |
2373 | ||
2374 | if (info->flags & DF_TEXTREL) | |
2375 | { | |
2376 | if (!add_dynamic_entry (DT_TEXTREL, 0)) | |
2377 | return FALSE; | |
2378 | } | |
2379 | ||
2380 | if (ABI_64_P (output_bfd)) | |
2381 | { | |
2382 | int reg; | |
2383 | struct _bfd_sparc_elf_app_reg * app_regs; | |
2384 | struct elf_strtab_hash *dynstr; | |
2385 | struct elf_link_hash_table *eht = elf_hash_table (info); | |
2386 | ||
2387 | /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER | |
2388 | entries if needed. */ | |
2389 | app_regs = _bfd_sparc_elf_hash_table (info)->app_regs; | |
2390 | dynstr = eht->dynstr; | |
2391 | ||
2392 | for (reg = 0; reg < 4; reg++) | |
2393 | if (app_regs [reg].name != NULL) | |
2394 | { | |
2395 | struct elf_link_local_dynamic_entry *entry, *e; | |
2396 | ||
2397 | if (!add_dynamic_entry (DT_SPARC_REGISTER, 0)) | |
2398 | return FALSE; | |
2399 | ||
2400 | entry = (struct elf_link_local_dynamic_entry *) | |
2401 | bfd_hash_allocate (&info->hash->table, sizeof (*entry)); | |
2402 | if (entry == NULL) | |
2403 | return FALSE; | |
2404 | ||
2405 | /* We cheat here a little bit: the symbol will not be local, so we | |
2406 | put it at the end of the dynlocal linked list. We will fix it | |
2407 | later on, as we have to fix other fields anyway. */ | |
2408 | entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4; | |
2409 | entry->isym.st_size = 0; | |
2410 | if (*app_regs [reg].name != '\0') | |
2411 | entry->isym.st_name | |
2412 | = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE); | |
2413 | else | |
2414 | entry->isym.st_name = 0; | |
2415 | entry->isym.st_other = 0; | |
2416 | entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind, | |
2417 | STT_REGISTER); | |
2418 | entry->isym.st_shndx = app_regs [reg].shndx; | |
2419 | entry->next = NULL; | |
2420 | entry->input_bfd = output_bfd; | |
2421 | entry->input_indx = -1; | |
2422 | ||
2423 | if (eht->dynlocal == NULL) | |
2424 | eht->dynlocal = entry; | |
2425 | else | |
2426 | { | |
2427 | for (e = eht->dynlocal; e->next; e = e->next) | |
2428 | ; | |
2429 | e->next = entry; | |
2430 | } | |
2431 | eht->dynsymcount++; | |
2432 | } | |
2433 | } | |
2434 | } | |
2435 | #undef add_dynamic_entry | |
2436 | ||
2437 | return TRUE; | |
2438 | } | |
2439 | \f | |
2440 | bfd_boolean | |
2441 | _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec) | |
2442 | { | |
f592407e AM |
2443 | if (!sec->used_by_bfd) |
2444 | { | |
2445 | struct _bfd_sparc_elf_section_data *sdata; | |
2446 | bfd_size_type amt = sizeof (*sdata); | |
22b75d0a | 2447 | |
f592407e AM |
2448 | sdata = bfd_zalloc (abfd, amt); |
2449 | if (sdata == NULL) | |
2450 | return FALSE; | |
2451 | sec->used_by_bfd = sdata; | |
2452 | } | |
22b75d0a DM |
2453 | |
2454 | return _bfd_elf_new_section_hook (abfd, sec); | |
2455 | } | |
2456 | ||
2457 | bfd_boolean | |
2458 | _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED, | |
2459 | struct bfd_section *section, | |
2460 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED, | |
2461 | bfd_boolean *again) | |
2462 | { | |
2463 | *again = FALSE; | |
2464 | sec_do_relax (section) = 1; | |
2465 | return TRUE; | |
2466 | } | |
2467 | \f | |
2468 | /* Return the base VMA address which should be subtracted from real addresses | |
2469 | when resolving @dtpoff relocation. | |
2470 | This is PT_TLS segment p_vaddr. */ | |
2471 | ||
2472 | static bfd_vma | |
2473 | dtpoff_base (struct bfd_link_info *info) | |
2474 | { | |
2475 | /* If tls_sec is NULL, we should have signalled an error already. */ | |
2476 | if (elf_hash_table (info)->tls_sec == NULL) | |
2477 | return 0; | |
2478 | return elf_hash_table (info)->tls_sec->vma; | |
2479 | } | |
2480 | ||
2481 | /* Return the relocation value for @tpoff relocation | |
2482 | if STT_TLS virtual address is ADDRESS. */ | |
2483 | ||
2484 | static bfd_vma | |
2485 | tpoff (struct bfd_link_info *info, bfd_vma address) | |
2486 | { | |
2487 | struct elf_link_hash_table *htab = elf_hash_table (info); | |
2488 | ||
2489 | /* If tls_sec is NULL, we should have signalled an error already. */ | |
2490 | if (htab->tls_sec == NULL) | |
2491 | return 0; | |
2492 | return address - htab->tls_size - htab->tls_sec->vma; | |
2493 | } | |
2494 | ||
2495 | /* Relocate a SPARC ELF section. */ | |
2496 | ||
2497 | bfd_boolean | |
ab96bf03 AM |
2498 | _bfd_sparc_elf_relocate_section (bfd *output_bfd, |
2499 | struct bfd_link_info *info, | |
2500 | bfd *input_bfd, | |
2501 | asection *input_section, | |
2502 | bfd_byte *contents, | |
2503 | Elf_Internal_Rela *relocs, | |
2504 | Elf_Internal_Sym *local_syms, | |
2505 | asection **local_sections) | |
22b75d0a DM |
2506 | { |
2507 | struct _bfd_sparc_elf_link_hash_table *htab; | |
2508 | Elf_Internal_Shdr *symtab_hdr; | |
2509 | struct elf_link_hash_entry **sym_hashes; | |
2510 | bfd_vma *local_got_offsets; | |
2511 | bfd_vma got_base; | |
2512 | asection *sreloc; | |
2513 | Elf_Internal_Rela *rel; | |
2514 | Elf_Internal_Rela *relend; | |
2515 | int num_relocs; | |
2516 | ||
22b75d0a DM |
2517 | htab = _bfd_sparc_elf_hash_table (info); |
2518 | symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; | |
2519 | sym_hashes = elf_sym_hashes (input_bfd); | |
2520 | local_got_offsets = elf_local_got_offsets (input_bfd); | |
2521 | ||
2522 | if (elf_hash_table (info)->hgot == NULL) | |
2523 | got_base = 0; | |
2524 | else | |
2525 | got_base = elf_hash_table (info)->hgot->root.u.def.value; | |
2526 | ||
2527 | sreloc = elf_section_data (input_section)->sreloc; | |
2528 | ||
2529 | rel = relocs; | |
2530 | if (ABI_64_P (output_bfd)) | |
2531 | num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr); | |
2532 | else | |
2533 | num_relocs = input_section->reloc_count; | |
2534 | relend = relocs + num_relocs; | |
2535 | for (; rel < relend; rel++) | |
2536 | { | |
2537 | int r_type, tls_type; | |
2538 | reloc_howto_type *howto; | |
2539 | unsigned long r_symndx; | |
2540 | struct elf_link_hash_entry *h; | |
2541 | Elf_Internal_Sym *sym; | |
2542 | asection *sec; | |
2543 | bfd_vma relocation, off; | |
2544 | bfd_reloc_status_type r; | |
2545 | bfd_boolean is_plt = FALSE; | |
2546 | bfd_boolean unresolved_reloc; | |
2547 | ||
2548 | r_type = SPARC_ELF_R_TYPE (rel->r_info); | |
2549 | if (r_type == R_SPARC_GNU_VTINHERIT | |
2550 | || r_type == R_SPARC_GNU_VTENTRY) | |
2551 | continue; | |
2552 | ||
2553 | if (r_type < 0 || r_type >= (int) R_SPARC_max_std) | |
2554 | { | |
2555 | bfd_set_error (bfd_error_bad_value); | |
2556 | return FALSE; | |
2557 | } | |
2558 | howto = _bfd_sparc_elf_howto_table + r_type; | |
2559 | ||
22b75d0a DM |
2560 | r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info); |
2561 | h = NULL; | |
2562 | sym = NULL; | |
2563 | sec = NULL; | |
2564 | unresolved_reloc = FALSE; | |
2565 | if (r_symndx < symtab_hdr->sh_info) | |
2566 | { | |
2567 | sym = local_syms + r_symndx; | |
2568 | sec = local_sections[r_symndx]; | |
2569 | relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); | |
2570 | } | |
2571 | else | |
2572 | { | |
2573 | bfd_boolean warned; | |
2574 | ||
2575 | RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, | |
2576 | r_symndx, symtab_hdr, sym_hashes, | |
2577 | h, sec, relocation, | |
2578 | unresolved_reloc, warned); | |
2579 | if (warned) | |
2580 | { | |
2581 | /* To avoid generating warning messages about truncated | |
2582 | relocations, set the relocation's address to be the same as | |
2583 | the start of this section. */ | |
2584 | if (input_section->output_section != NULL) | |
2585 | relocation = input_section->output_section->vma; | |
2586 | else | |
2587 | relocation = 0; | |
2588 | } | |
2589 | } | |
2590 | ||
ab96bf03 AM |
2591 | if (sec != NULL && elf_discarded_section (sec)) |
2592 | { | |
2593 | /* For relocs against symbols from removed linkonce | |
2594 | sections, or sections discarded by a linker script, we | |
2595 | just want the section contents zeroed. Avoid any | |
2596 | special processing. */ | |
2597 | _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset); | |
2598 | rel->r_info = 0; | |
2599 | rel->r_addend = 0; | |
2600 | continue; | |
2601 | } | |
2602 | ||
2603 | if (info->relocatable) | |
2604 | continue; | |
2605 | ||
22b75d0a DM |
2606 | switch (r_type) |
2607 | { | |
2608 | case R_SPARC_GOT10: | |
2609 | case R_SPARC_GOT13: | |
2610 | case R_SPARC_GOT22: | |
2611 | /* Relocation is to the entry for this symbol in the global | |
2612 | offset table. */ | |
2613 | if (htab->sgot == NULL) | |
2614 | abort (); | |
2615 | ||
2616 | if (h != NULL) | |
2617 | { | |
2618 | bfd_boolean dyn; | |
2619 | ||
2620 | off = h->got.offset; | |
2621 | BFD_ASSERT (off != (bfd_vma) -1); | |
2622 | dyn = elf_hash_table (info)->dynamic_sections_created; | |
2623 | ||
2624 | if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h) | |
2625 | || (info->shared | |
2626 | && (info->symbolic | |
2627 | || h->dynindx == -1 | |
2628 | || h->forced_local) | |
2629 | && h->def_regular)) | |
2630 | { | |
2631 | /* This is actually a static link, or it is a | |
2632 | -Bsymbolic link and the symbol is defined | |
2633 | locally, or the symbol was forced to be local | |
2634 | because of a version file. We must initialize | |
2635 | this entry in the global offset table. Since the | |
2636 | offset must always be a multiple of 8 for 64-bit | |
2637 | and 4 for 32-bit, we use the least significant bit | |
2638 | to record whether we have initialized it already. | |
2639 | ||
2640 | When doing a dynamic link, we create a .rela.got | |
2641 | relocation entry to initialize the value. This | |
2642 | is done in the finish_dynamic_symbol routine. */ | |
2643 | if ((off & 1) != 0) | |
2644 | off &= ~1; | |
2645 | else | |
2646 | { | |
2647 | SPARC_ELF_PUT_WORD (htab, output_bfd, relocation, | |
2648 | htab->sgot->contents + off); | |
2649 | h->got.offset |= 1; | |
2650 | } | |
2651 | } | |
2652 | else | |
2653 | unresolved_reloc = FALSE; | |
2654 | } | |
2655 | else | |
2656 | { | |
2657 | BFD_ASSERT (local_got_offsets != NULL | |
2658 | && local_got_offsets[r_symndx] != (bfd_vma) -1); | |
2659 | ||
2660 | off = local_got_offsets[r_symndx]; | |
2661 | ||
2662 | /* The offset must always be a multiple of 8 on 64-bit and | |
2663 | 4 on 32-bit. We use the least significant bit to record | |
2664 | whether we have already processed this entry. */ | |
2665 | if ((off & 1) != 0) | |
2666 | off &= ~1; | |
2667 | else | |
2668 | { | |
2669 | ||
2670 | if (info->shared) | |
2671 | { | |
2672 | asection *s; | |
2673 | Elf_Internal_Rela outrel; | |
2674 | ||
2675 | /* We need to generate a R_SPARC_RELATIVE reloc | |
2676 | for the dynamic linker. */ | |
2677 | s = htab->srelgot; | |
2678 | BFD_ASSERT (s != NULL); | |
2679 | ||
2680 | outrel.r_offset = (htab->sgot->output_section->vma | |
2681 | + htab->sgot->output_offset | |
2682 | + off); | |
2683 | outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, | |
2684 | 0, R_SPARC_RELATIVE); | |
2685 | outrel.r_addend = relocation; | |
2686 | relocation = 0; | |
2687 | SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &outrel); | |
2688 | } | |
2689 | ||
2690 | SPARC_ELF_PUT_WORD (htab, output_bfd, relocation, | |
2691 | htab->sgot->contents + off); | |
2692 | local_got_offsets[r_symndx] |= 1; | |
2693 | } | |
2694 | } | |
2695 | relocation = htab->sgot->output_offset + off - got_base; | |
2696 | break; | |
2697 | ||
2698 | case R_SPARC_PLT32: | |
2699 | case R_SPARC_PLT64: | |
2700 | if (h == NULL || h->plt.offset == (bfd_vma) -1) | |
2701 | { | |
2702 | r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64; | |
2703 | goto r_sparc_plt32; | |
2704 | } | |
2705 | /* Fall through. */ | |
2706 | ||
2707 | case R_SPARC_WPLT30: | |
2708 | case R_SPARC_HIPLT22: | |
2709 | case R_SPARC_LOPLT10: | |
2710 | case R_SPARC_PCPLT32: | |
2711 | case R_SPARC_PCPLT22: | |
2712 | case R_SPARC_PCPLT10: | |
2713 | r_sparc_wplt30: | |
2714 | /* Relocation is to the entry for this symbol in the | |
2715 | procedure linkage table. */ | |
2716 | ||
2717 | if (! ABI_64_P (output_bfd)) | |
2718 | { | |
2719 | /* The Solaris native assembler will generate a WPLT30 reloc | |
2720 | for a local symbol if you assemble a call from one | |
2721 | section to another when using -K pic. We treat it as | |
2722 | WDISP30. */ | |
2723 | if (h == NULL) | |
2724 | break; | |
2725 | } | |
2726 | else | |
2727 | { | |
2728 | BFD_ASSERT (h != NULL); | |
2729 | } | |
2730 | ||
2731 | if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL) | |
2732 | { | |
2733 | /* We didn't make a PLT entry for this symbol. This | |
2734 | happens when statically linking PIC code, or when | |
2735 | using -Bsymbolic. */ | |
2736 | break; | |
2737 | } | |
2738 | ||
2739 | relocation = (htab->splt->output_section->vma | |
2740 | + htab->splt->output_offset | |
2741 | + h->plt.offset); | |
2742 | unresolved_reloc = FALSE; | |
2743 | if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64) | |
2744 | { | |
2745 | r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64; | |
2746 | is_plt = TRUE; | |
2747 | goto r_sparc_plt32; | |
2748 | } | |
2749 | break; | |
2750 | ||
2751 | case R_SPARC_PC10: | |
2752 | case R_SPARC_PC22: | |
2753 | case R_SPARC_PC_HH22: | |
2754 | case R_SPARC_PC_HM10: | |
2755 | case R_SPARC_PC_LM22: | |
2756 | if (h != NULL | |
2757 | && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0) | |
2758 | break; | |
2759 | /* Fall through. */ | |
2760 | case R_SPARC_DISP8: | |
2761 | case R_SPARC_DISP16: | |
2762 | case R_SPARC_DISP32: | |
2763 | case R_SPARC_DISP64: | |
2764 | case R_SPARC_WDISP30: | |
2765 | case R_SPARC_WDISP22: | |
2766 | case R_SPARC_WDISP19: | |
2767 | case R_SPARC_WDISP16: | |
2768 | case R_SPARC_8: | |
2769 | case R_SPARC_16: | |
2770 | case R_SPARC_32: | |
2771 | case R_SPARC_HI22: | |
2772 | case R_SPARC_22: | |
2773 | case R_SPARC_13: | |
2774 | case R_SPARC_LO10: | |
2775 | case R_SPARC_UA16: | |
2776 | case R_SPARC_UA32: | |
2777 | case R_SPARC_10: | |
2778 | case R_SPARC_11: | |
2779 | case R_SPARC_64: | |
2780 | case R_SPARC_OLO10: | |
2781 | case R_SPARC_HH22: | |
2782 | case R_SPARC_HM10: | |
2783 | case R_SPARC_LM22: | |
2784 | case R_SPARC_7: | |
2785 | case R_SPARC_5: | |
2786 | case R_SPARC_6: | |
2787 | case R_SPARC_HIX22: | |
2788 | case R_SPARC_LOX10: | |
2789 | case R_SPARC_H44: | |
2790 | case R_SPARC_M44: | |
2791 | case R_SPARC_L44: | |
2792 | case R_SPARC_UA64: | |
2793 | r_sparc_plt32: | |
b1e24c02 | 2794 | if ((input_section->flags & SEC_ALLOC) == 0) |
22b75d0a DM |
2795 | break; |
2796 | ||
2797 | if ((info->shared | |
2798 | && (h == NULL | |
2799 | || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT | |
2800 | || h->root.type != bfd_link_hash_undefweak) | |
2801 | && (! howto->pc_relative | |
2802 | || (h != NULL | |
2803 | && h->dynindx != -1 | |
2804 | && (! info->symbolic | |
2805 | || !h->def_regular)))) | |
2806 | || (!info->shared | |
2807 | && h != NULL | |
2808 | && h->dynindx != -1 | |
2809 | && !h->non_got_ref | |
2810 | && ((h->def_dynamic | |
2811 | && !h->def_regular) | |
2812 | || h->root.type == bfd_link_hash_undefweak | |
2813 | || h->root.type == bfd_link_hash_undefined))) | |
2814 | { | |
2815 | Elf_Internal_Rela outrel; | |
2816 | bfd_boolean skip, relocate = FALSE; | |
2817 | ||
2818 | /* When generating a shared object, these relocations | |
2819 | are copied into the output file to be resolved at run | |
2820 | time. */ | |
2821 | ||
2822 | BFD_ASSERT (sreloc != NULL); | |
2823 | ||
2824 | skip = FALSE; | |
2825 | ||
2826 | outrel.r_offset = | |
2827 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
2828 | rel->r_offset); | |
2829 | if (outrel.r_offset == (bfd_vma) -1) | |
2830 | skip = TRUE; | |
2831 | else if (outrel.r_offset == (bfd_vma) -2) | |
2832 | skip = TRUE, relocate = TRUE; | |
2833 | outrel.r_offset += (input_section->output_section->vma | |
2834 | + input_section->output_offset); | |
2835 | ||
2836 | /* Optimize unaligned reloc usage now that we know where | |
2837 | it finally resides. */ | |
2838 | switch (r_type) | |
2839 | { | |
2840 | case R_SPARC_16: | |
2841 | if (outrel.r_offset & 1) | |
2842 | r_type = R_SPARC_UA16; | |
2843 | break; | |
2844 | case R_SPARC_UA16: | |
2845 | if (!(outrel.r_offset & 1)) | |
2846 | r_type = R_SPARC_16; | |
2847 | break; | |
2848 | case R_SPARC_32: | |
2849 | if (outrel.r_offset & 3) | |
2850 | r_type = R_SPARC_UA32; | |
2851 | break; | |
2852 | case R_SPARC_UA32: | |
2853 | if (!(outrel.r_offset & 3)) | |
2854 | r_type = R_SPARC_32; | |
2855 | break; | |
2856 | case R_SPARC_64: | |
2857 | if (outrel.r_offset & 7) | |
2858 | r_type = R_SPARC_UA64; | |
2859 | break; | |
2860 | case R_SPARC_UA64: | |
2861 | if (!(outrel.r_offset & 7)) | |
2862 | r_type = R_SPARC_64; | |
2863 | break; | |
2864 | case R_SPARC_DISP8: | |
2865 | case R_SPARC_DISP16: | |
2866 | case R_SPARC_DISP32: | |
2867 | case R_SPARC_DISP64: | |
2868 | /* If the symbol is not dynamic, we should not keep | |
2869 | a dynamic relocation. But an .rela.* slot has been | |
2870 | allocated for it, output R_SPARC_NONE. | |
2871 | FIXME: Add code tracking needed dynamic relocs as | |
2872 | e.g. i386 has. */ | |
2873 | if (h->dynindx == -1) | |
2874 | skip = TRUE, relocate = TRUE; | |
2875 | break; | |
2876 | } | |
2877 | ||
2878 | if (skip) | |
2879 | memset (&outrel, 0, sizeof outrel); | |
2880 | /* h->dynindx may be -1 if the symbol was marked to | |
2881 | become local. */ | |
2882 | else if (h != NULL && ! is_plt | |
2883 | && ((! info->symbolic && h->dynindx != -1) | |
2884 | || !h->def_regular)) | |
2885 | { | |
2886 | BFD_ASSERT (h->dynindx != -1); | |
2887 | outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type); | |
2888 | outrel.r_addend = rel->r_addend; | |
2889 | } | |
2890 | else | |
2891 | { | |
2892 | if (r_type == R_SPARC_32 || r_type == R_SPARC_64) | |
2893 | { | |
2894 | outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, | |
2895 | 0, R_SPARC_RELATIVE); | |
2896 | outrel.r_addend = relocation + rel->r_addend; | |
2897 | } | |
2898 | else | |
2899 | { | |
2900 | long indx; | |
2901 | ||
74541ad4 AM |
2902 | outrel.r_addend = relocation + rel->r_addend; |
2903 | ||
22b75d0a DM |
2904 | if (is_plt) |
2905 | sec = htab->splt; | |
2906 | ||
2907 | if (bfd_is_abs_section (sec)) | |
2908 | indx = 0; | |
2909 | else if (sec == NULL || sec->owner == NULL) | |
2910 | { | |
2911 | bfd_set_error (bfd_error_bad_value); | |
2912 | return FALSE; | |
2913 | } | |
2914 | else | |
2915 | { | |
2916 | asection *osec; | |
2917 | ||
74541ad4 AM |
2918 | /* We are turning this relocation into one |
2919 | against a section symbol. It would be | |
2920 | proper to subtract the symbol's value, | |
2921 | osec->vma, from the emitted reloc addend, | |
2922 | but ld.so expects buggy relocs. */ | |
22b75d0a DM |
2923 | osec = sec->output_section; |
2924 | indx = elf_section_data (osec)->dynindx; | |
2925 | ||
74541ad4 AM |
2926 | if (indx == 0) |
2927 | { | |
2928 | osec = htab->elf.text_index_section; | |
2929 | indx = elf_section_data (osec)->dynindx; | |
2930 | } | |
2931 | ||
22b75d0a DM |
2932 | /* FIXME: we really should be able to link non-pic |
2933 | shared libraries. */ | |
2934 | if (indx == 0) | |
2935 | { | |
2936 | BFD_FAIL (); | |
2937 | (*_bfd_error_handler) | |
2938 | (_("%B: probably compiled without -fPIC?"), | |
2939 | input_bfd); | |
2940 | bfd_set_error (bfd_error_bad_value); | |
2941 | return FALSE; | |
2942 | } | |
2943 | } | |
2944 | ||
74541ad4 AM |
2945 | outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx, |
2946 | r_type); | |
22b75d0a DM |
2947 | } |
2948 | } | |
2949 | ||
2950 | SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel); | |
2951 | ||
2952 | /* This reloc will be computed at runtime, so there's no | |
2953 | need to do anything now. */ | |
2954 | if (! relocate) | |
2955 | continue; | |
2956 | } | |
2957 | break; | |
2958 | ||
2959 | case R_SPARC_TLS_GD_HI22: | |
2960 | if (! ABI_64_P (input_bfd) | |
2961 | && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd) | |
2962 | { | |
2963 | /* R_SPARC_REV32 used the same reloc number as | |
2964 | R_SPARC_TLS_GD_HI22. */ | |
2965 | r_type = R_SPARC_REV32; | |
2966 | break; | |
2967 | } | |
2968 | /* Fall through */ | |
2969 | ||
2970 | case R_SPARC_TLS_GD_LO10: | |
2971 | case R_SPARC_TLS_IE_HI22: | |
2972 | case R_SPARC_TLS_IE_LO10: | |
2973 | r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL); | |
2974 | tls_type = GOT_UNKNOWN; | |
2975 | if (h == NULL && local_got_offsets) | |
2976 | tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
2977 | else if (h != NULL) | |
2978 | { | |
2979 | tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; | |
2980 | if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE) | |
2981 | switch (SPARC_ELF_R_TYPE (rel->r_info)) | |
2982 | { | |
2983 | case R_SPARC_TLS_GD_HI22: | |
2984 | case R_SPARC_TLS_IE_HI22: | |
2985 | r_type = R_SPARC_TLS_LE_HIX22; | |
2986 | break; | |
2987 | default: | |
2988 | r_type = R_SPARC_TLS_LE_LOX10; | |
2989 | break; | |
2990 | } | |
2991 | } | |
2992 | if (tls_type == GOT_TLS_IE) | |
2993 | switch (r_type) | |
2994 | { | |
2995 | case R_SPARC_TLS_GD_HI22: | |
2996 | r_type = R_SPARC_TLS_IE_HI22; | |
2997 | break; | |
2998 | case R_SPARC_TLS_GD_LO10: | |
2999 | r_type = R_SPARC_TLS_IE_LO10; | |
3000 | break; | |
3001 | } | |
3002 | ||
3003 | if (r_type == R_SPARC_TLS_LE_HIX22) | |
3004 | { | |
3005 | relocation = tpoff (info, relocation); | |
3006 | break; | |
3007 | } | |
3008 | if (r_type == R_SPARC_TLS_LE_LOX10) | |
3009 | { | |
3010 | /* Change add into xor. */ | |
3011 | relocation = tpoff (info, relocation); | |
3012 | bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd, | |
3013 | contents + rel->r_offset) | |
3014 | | 0x80182000), contents + rel->r_offset); | |
3015 | break; | |
3016 | } | |
3017 | ||
3018 | if (h != NULL) | |
3019 | { | |
3020 | off = h->got.offset; | |
3021 | h->got.offset |= 1; | |
3022 | } | |
3023 | else | |
3024 | { | |
3025 | BFD_ASSERT (local_got_offsets != NULL); | |
3026 | off = local_got_offsets[r_symndx]; | |
3027 | local_got_offsets[r_symndx] |= 1; | |
3028 | } | |
3029 | ||
3030 | r_sparc_tlsldm: | |
3031 | if (htab->sgot == NULL) | |
3032 | abort (); | |
3033 | ||
3034 | if ((off & 1) != 0) | |
3035 | off &= ~1; | |
3036 | else | |
3037 | { | |
3038 | Elf_Internal_Rela outrel; | |
3039 | int dr_type, indx; | |
3040 | ||
3041 | if (htab->srelgot == NULL) | |
3042 | abort (); | |
3043 | ||
3044 | SPARC_ELF_PUT_WORD (htab, output_bfd, 0, htab->sgot->contents + off); | |
3045 | outrel.r_offset = (htab->sgot->output_section->vma | |
3046 | + htab->sgot->output_offset + off); | |
3047 | indx = h && h->dynindx != -1 ? h->dynindx : 0; | |
3048 | if (r_type == R_SPARC_TLS_IE_HI22 | |
3049 | || r_type == R_SPARC_TLS_IE_LO10) | |
3050 | dr_type = SPARC_ELF_TPOFF_RELOC (htab); | |
3051 | else | |
3052 | dr_type = SPARC_ELF_DTPMOD_RELOC (htab); | |
3053 | if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0) | |
3054 | outrel.r_addend = relocation - dtpoff_base (info); | |
3055 | else | |
3056 | outrel.r_addend = 0; | |
3057 | outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type); | |
3058 | SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel); | |
3059 | ||
3060 | if (r_type == R_SPARC_TLS_GD_HI22 | |
3061 | || r_type == R_SPARC_TLS_GD_LO10) | |
3062 | { | |
3063 | if (indx == 0) | |
3064 | { | |
3065 | BFD_ASSERT (! unresolved_reloc); | |
3066 | SPARC_ELF_PUT_WORD (htab, output_bfd, | |
3067 | relocation - dtpoff_base (info), | |
3068 | (htab->sgot->contents + off | |
3069 | + SPARC_ELF_WORD_BYTES (htab))); | |
3070 | } | |
3071 | else | |
3072 | { | |
3073 | SPARC_ELF_PUT_WORD (htab, output_bfd, 0, | |
3074 | (htab->sgot->contents + off | |
3075 | + SPARC_ELF_WORD_BYTES (htab))); | |
3076 | outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, | |
3077 | SPARC_ELF_DTPOFF_RELOC (htab)); | |
3078 | outrel.r_offset += SPARC_ELF_WORD_BYTES (htab); | |
3079 | SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel); | |
3080 | } | |
3081 | } | |
3082 | else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab)) | |
3083 | { | |
3084 | SPARC_ELF_PUT_WORD (htab, output_bfd, 0, | |
3085 | (htab->sgot->contents + off | |
3086 | + SPARC_ELF_WORD_BYTES (htab))); | |
3087 | } | |
3088 | } | |
3089 | ||
3090 | if (off >= (bfd_vma) -2) | |
3091 | abort (); | |
3092 | ||
3093 | relocation = htab->sgot->output_offset + off - got_base; | |
3094 | unresolved_reloc = FALSE; | |
3095 | howto = _bfd_sparc_elf_howto_table + r_type; | |
3096 | break; | |
3097 | ||
3098 | case R_SPARC_TLS_LDM_HI22: | |
3099 | case R_SPARC_TLS_LDM_LO10: | |
3100 | if (! info->shared) | |
3101 | { | |
3102 | bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); | |
3103 | continue; | |
3104 | } | |
3105 | off = htab->tls_ldm_got.offset; | |
3106 | htab->tls_ldm_got.offset |= 1; | |
3107 | goto r_sparc_tlsldm; | |
3108 | ||
3109 | case R_SPARC_TLS_LDO_HIX22: | |
3110 | case R_SPARC_TLS_LDO_LOX10: | |
3111 | if (info->shared) | |
3112 | { | |
3113 | relocation -= dtpoff_base (info); | |
3114 | break; | |
3115 | } | |
3116 | ||
3117 | r_type = (r_type == R_SPARC_TLS_LDO_HIX22 | |
3118 | ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10); | |
3119 | /* Fall through. */ | |
3120 | ||
3121 | case R_SPARC_TLS_LE_HIX22: | |
3122 | case R_SPARC_TLS_LE_LOX10: | |
3123 | if (info->shared) | |
3124 | { | |
3125 | Elf_Internal_Rela outrel; | |
3126 | bfd_boolean skip, relocate = FALSE; | |
3127 | ||
3128 | BFD_ASSERT (sreloc != NULL); | |
3129 | skip = FALSE; | |
3130 | outrel.r_offset = | |
3131 | _bfd_elf_section_offset (output_bfd, info, input_section, | |
3132 | rel->r_offset); | |
3133 | if (outrel.r_offset == (bfd_vma) -1) | |
3134 | skip = TRUE; | |
3135 | else if (outrel.r_offset == (bfd_vma) -2) | |
3136 | skip = TRUE, relocate = TRUE; | |
3137 | outrel.r_offset += (input_section->output_section->vma | |
3138 | + input_section->output_offset); | |
3139 | if (skip) | |
3140 | memset (&outrel, 0, sizeof outrel); | |
3141 | else | |
3142 | { | |
3143 | outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type); | |
3144 | outrel.r_addend = relocation - dtpoff_base (info) | |
3145 | + rel->r_addend; | |
3146 | } | |
3147 | ||
3148 | SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel); | |
3149 | continue; | |
3150 | } | |
3151 | relocation = tpoff (info, relocation); | |
3152 | break; | |
3153 | ||
3154 | case R_SPARC_TLS_LDM_CALL: | |
3155 | if (! info->shared) | |
3156 | { | |
3157 | /* mov %g0, %o0 */ | |
3158 | bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset); | |
3159 | continue; | |
3160 | } | |
3161 | /* Fall through */ | |
3162 | ||
3163 | case R_SPARC_TLS_GD_CALL: | |
3164 | tls_type = GOT_UNKNOWN; | |
3165 | if (h == NULL && local_got_offsets) | |
3166 | tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
3167 | else if (h != NULL) | |
3168 | tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; | |
3169 | if (! info->shared | |
3170 | || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE)) | |
3171 | { | |
3172 | bfd_vma insn; | |
3173 | ||
3174 | if (!info->shared && (h == NULL || h->dynindx == -1)) | |
3175 | { | |
3176 | /* GD -> LE */ | |
3177 | bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); | |
3178 | continue; | |
3179 | } | |
3180 | ||
3181 | /* GD -> IE */ | |
3182 | if (rel + 1 < relend | |
3183 | && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD | |
3184 | && rel[1].r_offset == rel->r_offset + 4 | |
3185 | && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx | |
3186 | && (((insn = bfd_get_32 (input_bfd, | |
3187 | contents + rel[1].r_offset)) | |
3188 | >> 25) & 0x1f) == 8) | |
3189 | { | |
3190 | /* We have | |
3191 | call __tls_get_addr, %tgd_call(foo) | |
3192 | add %reg1, %reg2, %o0, %tgd_add(foo) | |
3193 | and change it into IE: | |
3194 | {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo) | |
3195 | add %g7, %o0, %o0, %tie_add(foo). | |
3196 | add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2, | |
3197 | ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2, | |
3198 | ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */ | |
3199 | bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000), | |
3200 | contents + rel->r_offset); | |
3201 | bfd_put_32 (output_bfd, 0x9001c008, | |
3202 | contents + rel->r_offset + 4); | |
3203 | rel++; | |
3204 | continue; | |
3205 | } | |
3206 | ||
3207 | bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset); | |
3208 | continue; | |
3209 | } | |
3210 | ||
3211 | h = (struct elf_link_hash_entry *) | |
3212 | bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE, | |
3213 | FALSE, TRUE); | |
3214 | BFD_ASSERT (h != NULL); | |
3215 | r_type = R_SPARC_WPLT30; | |
3216 | howto = _bfd_sparc_elf_howto_table + r_type; | |
3217 | goto r_sparc_wplt30; | |
3218 | ||
3219 | case R_SPARC_TLS_GD_ADD: | |
3220 | tls_type = GOT_UNKNOWN; | |
3221 | if (h == NULL && local_got_offsets) | |
3222 | tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx]; | |
3223 | else if (h != NULL) | |
3224 | tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type; | |
3225 | if (! info->shared || tls_type == GOT_TLS_IE) | |
3226 | { | |
3227 | /* add %reg1, %reg2, %reg3, %tgd_add(foo) | |
3228 | changed into IE: | |
3229 | {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo) | |
3230 | or LE: | |
3231 | add %g7, %reg2, %reg3. */ | |
3232 | bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3233 | if ((h != NULL && h->dynindx != -1) || info->shared) | |
3234 | relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000); | |
3235 | else | |
3236 | relocation = (insn & ~0x7c000) | 0x1c000; | |
3237 | bfd_put_32 (output_bfd, relocation, contents + rel->r_offset); | |
3238 | } | |
3239 | continue; | |
3240 | ||
3241 | case R_SPARC_TLS_LDM_ADD: | |
3242 | if (! info->shared) | |
3243 | bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset); | |
3244 | continue; | |
3245 | ||
3246 | case R_SPARC_TLS_LDO_ADD: | |
3247 | if (! info->shared) | |
3248 | { | |
3249 | /* Change rs1 into %g7. */ | |
3250 | bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3251 | insn = (insn & ~0x7c000) | 0x1c000; | |
3252 | bfd_put_32 (output_bfd, insn, contents + rel->r_offset); | |
3253 | } | |
3254 | continue; | |
3255 | ||
3256 | case R_SPARC_TLS_IE_LD: | |
3257 | case R_SPARC_TLS_IE_LDX: | |
3258 | if (! info->shared && (h == NULL || h->dynindx == -1)) | |
3259 | { | |
3260 | bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3261 | int rs2 = insn & 0x1f; | |
3262 | int rd = (insn >> 25) & 0x1f; | |
3263 | ||
3264 | if (rs2 == rd) | |
3265 | relocation = SPARC_NOP; | |
3266 | else | |
3267 | relocation = 0x80100000 | (insn & 0x3e00001f); | |
3268 | bfd_put_32 (output_bfd, relocation, contents + rel->r_offset); | |
3269 | } | |
3270 | continue; | |
3271 | ||
3272 | case R_SPARC_TLS_IE_ADD: | |
3273 | /* Totally useless relocation. */ | |
3274 | continue; | |
3275 | ||
3276 | case R_SPARC_TLS_DTPOFF32: | |
3277 | case R_SPARC_TLS_DTPOFF64: | |
3278 | relocation -= dtpoff_base (info); | |
3279 | break; | |
3280 | ||
3281 | default: | |
3282 | break; | |
3283 | } | |
3284 | ||
3285 | /* Dynamic relocs are not propagated for SEC_DEBUGGING sections | |
3286 | because such sections are not SEC_ALLOC and thus ld.so will | |
3287 | not process them. */ | |
3288 | if (unresolved_reloc | |
3289 | && !((input_section->flags & SEC_DEBUGGING) != 0 | |
3290 | && h->def_dynamic)) | |
3291 | (*_bfd_error_handler) | |
843fe662 | 3292 | (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"), |
22b75d0a DM |
3293 | input_bfd, |
3294 | input_section, | |
3295 | (long) rel->r_offset, | |
843fe662 | 3296 | howto->name, |
22b75d0a DM |
3297 | h->root.root.string); |
3298 | ||
3299 | r = bfd_reloc_continue; | |
3300 | if (r_type == R_SPARC_OLO10) | |
3301 | { | |
3302 | bfd_vma x; | |
3303 | ||
3304 | if (! ABI_64_P (output_bfd)) | |
3305 | abort (); | |
3306 | ||
3307 | relocation += rel->r_addend; | |
3308 | relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info); | |
3309 | ||
3310 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3311 | x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff); | |
3312 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); | |
3313 | ||
3314 | r = bfd_check_overflow (howto->complain_on_overflow, | |
3315 | howto->bitsize, howto->rightshift, | |
3316 | bfd_arch_bits_per_address (input_bfd), | |
3317 | relocation); | |
3318 | } | |
3319 | else if (r_type == R_SPARC_WDISP16) | |
3320 | { | |
3321 | bfd_vma x; | |
3322 | ||
3323 | relocation += rel->r_addend; | |
3324 | relocation -= (input_section->output_section->vma | |
3325 | + input_section->output_offset); | |
3326 | relocation -= rel->r_offset; | |
3327 | ||
3328 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3329 | x |= ((((relocation >> 2) & 0xc000) << 6) | |
3330 | | ((relocation >> 2) & 0x3fff)); | |
3331 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); | |
3332 | ||
3333 | r = bfd_check_overflow (howto->complain_on_overflow, | |
3334 | howto->bitsize, howto->rightshift, | |
3335 | bfd_arch_bits_per_address (input_bfd), | |
3336 | relocation); | |
3337 | } | |
3338 | else if (r_type == R_SPARC_REV32) | |
3339 | { | |
3340 | bfd_vma x; | |
3341 | ||
3342 | relocation = relocation + rel->r_addend; | |
3343 | ||
3344 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3345 | x = x + relocation; | |
3346 | bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset); | |
3347 | r = bfd_reloc_ok; | |
3348 | } | |
3349 | else if (r_type == R_SPARC_TLS_LDO_HIX22 | |
3350 | || r_type == R_SPARC_TLS_LE_HIX22) | |
3351 | { | |
3352 | bfd_vma x; | |
3353 | ||
3354 | relocation += rel->r_addend; | |
3355 | if (r_type == R_SPARC_TLS_LE_HIX22) | |
3356 | relocation ^= MINUS_ONE; | |
3357 | ||
3358 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3359 | x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff); | |
3360 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); | |
3361 | r = bfd_reloc_ok; | |
3362 | } | |
3363 | else if (r_type == R_SPARC_TLS_LDO_LOX10 | |
3364 | || r_type == R_SPARC_TLS_LE_LOX10) | |
3365 | { | |
3366 | bfd_vma x; | |
3367 | ||
3368 | relocation += rel->r_addend; | |
3369 | relocation &= 0x3ff; | |
3370 | if (r_type == R_SPARC_TLS_LE_LOX10) | |
3371 | relocation |= 0x1c00; | |
3372 | ||
3373 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3374 | x = (x & ~(bfd_vma) 0x1fff) | relocation; | |
3375 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); | |
3376 | ||
3377 | r = bfd_reloc_ok; | |
3378 | } | |
3379 | else if (r_type == R_SPARC_HIX22) | |
3380 | { | |
3381 | bfd_vma x; | |
3382 | ||
3383 | relocation += rel->r_addend; | |
3384 | relocation = relocation ^ MINUS_ONE; | |
3385 | ||
3386 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3387 | x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff); | |
3388 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); | |
3389 | ||
3390 | r = bfd_check_overflow (howto->complain_on_overflow, | |
3391 | howto->bitsize, howto->rightshift, | |
3392 | bfd_arch_bits_per_address (input_bfd), | |
3393 | relocation); | |
3394 | } | |
3395 | else if (r_type == R_SPARC_LOX10) | |
3396 | { | |
3397 | bfd_vma x; | |
3398 | ||
3399 | relocation += rel->r_addend; | |
3400 | relocation = (relocation & 0x3ff) | 0x1c00; | |
3401 | ||
3402 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3403 | x = (x & ~(bfd_vma) 0x1fff) | relocation; | |
3404 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); | |
3405 | ||
3406 | r = bfd_reloc_ok; | |
3407 | } | |
3408 | else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30) | |
3409 | && sec_do_relax (input_section) | |
3410 | && rel->r_offset + 4 < input_section->size) | |
3411 | { | |
3412 | #define G0 0 | |
3413 | #define O7 15 | |
3414 | #define XCC (2 << 20) | |
3415 | #define COND(x) (((x)&0xf)<<25) | |
3416 | #define CONDA COND(0x8) | |
3417 | #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC) | |
3418 | #define INSN_BA (F2(0,2) | CONDA) | |
3419 | #define INSN_OR F3(2, 0x2, 0) | |
3420 | #define INSN_NOP F2(0,4) | |
3421 | ||
3422 | bfd_vma x, y; | |
3423 | ||
3424 | /* If the instruction is a call with either: | |
3425 | restore | |
3426 | arithmetic instruction with rd == %o7 | |
3427 | where rs1 != %o7 and rs2 if it is register != %o7 | |
3428 | then we can optimize if the call destination is near | |
3429 | by changing the call into a branch always. */ | |
3430 | x = bfd_get_32 (input_bfd, contents + rel->r_offset); | |
3431 | y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4); | |
3432 | if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2)) | |
3433 | { | |
3434 | if (((y & OP3(~0)) == OP3(0x3d) /* restore */ | |
3435 | || ((y & OP3(0x28)) == 0 /* arithmetic */ | |
3436 | && (y & RD(~0)) == RD(O7))) | |
3437 | && (y & RS1(~0)) != RS1(O7) | |
3438 | && ((y & F3I(~0)) | |
3439 | || (y & RS2(~0)) != RS2(O7))) | |
3440 | { | |
3441 | bfd_vma reloc; | |
3442 | ||
3443 | reloc = relocation + rel->r_addend - rel->r_offset; | |
3444 | reloc -= (input_section->output_section->vma | |
3445 | + input_section->output_offset); | |
3446 | ||
3447 | /* Ensure the branch fits into simm22. */ | |
3448 | if ((reloc & 3) == 0 | |
3449 | && ((reloc & ~(bfd_vma)0x7fffff) == 0 | |
3450 | || ((reloc | 0x7fffff) == ~(bfd_vma)0))) | |
3451 | { | |
3452 | reloc >>= 2; | |
3453 | ||
3454 | /* Check whether it fits into simm19. */ | |
3455 | if (((reloc & 0x3c0000) == 0 | |
3456 | || (reloc & 0x3c0000) == 0x3c0000) | |
3457 | && (ABI_64_P (output_bfd) | |
3458 | || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS)) | |
3459 | x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */ | |
3460 | else | |
3461 | x = INSN_BA | (reloc & 0x3fffff); /* ba */ | |
3462 | bfd_put_32 (input_bfd, x, contents + rel->r_offset); | |
3463 | r = bfd_reloc_ok; | |
3464 | if (rel->r_offset >= 4 | |
3465 | && (y & (0xffffffff ^ RS1(~0))) | |
3466 | == (INSN_OR | RD(O7) | RS2(G0))) | |
3467 | { | |
3468 | bfd_vma z; | |
3469 | unsigned int reg; | |
3470 | ||
3471 | z = bfd_get_32 (input_bfd, | |
3472 | contents + rel->r_offset - 4); | |
3473 | if ((z & (0xffffffff ^ RD(~0))) | |
3474 | != (INSN_OR | RS1(O7) | RS2(G0))) | |
3475 | break; | |
3476 | ||
3477 | /* The sequence was | |
3478 | or %o7, %g0, %rN | |
3479 | call foo | |
3480 | or %rN, %g0, %o7 | |
3481 | ||
3482 | If call foo was replaced with ba, replace | |
3483 | or %rN, %g0, %o7 with nop. */ | |
3484 | ||
3485 | reg = (y & RS1(~0)) >> 14; | |
3486 | if (reg != ((z & RD(~0)) >> 25) | |
3487 | || reg == G0 || reg == O7) | |
3488 | break; | |
3489 | ||
3490 | bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP, | |
3491 | contents + rel->r_offset + 4); | |
3492 | } | |
3493 | ||
3494 | } | |
3495 | } | |
3496 | } | |
3497 | } | |
3498 | ||
3499 | if (r == bfd_reloc_continue) | |
3500 | r = _bfd_final_link_relocate (howto, input_bfd, input_section, | |
3501 | contents, rel->r_offset, | |
3502 | relocation, rel->r_addend); | |
3503 | ||
3504 | if (r != bfd_reloc_ok) | |
3505 | { | |
3506 | switch (r) | |
3507 | { | |
3508 | default: | |
3509 | case bfd_reloc_outofrange: | |
3510 | abort (); | |
3511 | case bfd_reloc_overflow: | |
3512 | { | |
3513 | const char *name; | |
3514 | ||
dc669dc8 EB |
3515 | /* The Solaris native linker silently disregards overflows. |
3516 | We don't, but this breaks stabs debugging info, whose | |
3517 | relocations are only 32-bits wide. Ignore overflows in | |
3518 | this case and also for discarded entries. */ | |
3519 | if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32) | |
3520 | && (((input_section->flags & SEC_DEBUGGING) != 0 | |
3521 | && strcmp (bfd_section_name (input_bfd, | |
3522 | input_section), | |
3523 | ".stab") == 0) | |
3524 | || _bfd_elf_section_offset (output_bfd, info, | |
3525 | input_section, | |
3526 | rel->r_offset) | |
3527 | == (bfd_vma)-1)) | |
3528 | break; | |
3529 | ||
22b75d0a | 3530 | if (h != NULL) |
bb29dfea EB |
3531 | { |
3532 | /* Assume this is a call protected by other code that | |
3533 | detect the symbol is undefined. If this is the case, | |
3534 | we can safely ignore the overflow. If not, the | |
3535 | program is hosed anyway, and a little warning isn't | |
3536 | going to help. */ | |
3537 | if (h->root.type == bfd_link_hash_undefweak | |
3538 | && howto->pc_relative) | |
3539 | break; | |
3540 | ||
3541 | name = NULL; | |
3542 | } | |
22b75d0a DM |
3543 | else |
3544 | { | |
3545 | name = bfd_elf_string_from_elf_section (input_bfd, | |
3546 | symtab_hdr->sh_link, | |
3547 | sym->st_name); | |
3548 | if (name == NULL) | |
3549 | return FALSE; | |
3550 | if (*name == '\0') | |
3551 | name = bfd_section_name (input_bfd, sec); | |
3552 | } | |
3553 | if (! ((*info->callbacks->reloc_overflow) | |
3554 | (info, (h ? &h->root : NULL), name, howto->name, | |
3555 | (bfd_vma) 0, input_bfd, input_section, | |
3556 | rel->r_offset))) | |
3557 | return FALSE; | |
3558 | } | |
3559 | break; | |
3560 | } | |
3561 | } | |
3562 | } | |
3563 | ||
3564 | return TRUE; | |
3565 | } | |
3566 | ||
910600e9 RS |
3567 | /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry |
3568 | and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET | |
3569 | is the offset of the associated .got.plt entry from | |
3570 | _GLOBAL_OFFSET_TABLE_. */ | |
3571 | ||
3572 | static void | |
3573 | sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info, | |
3574 | bfd_vma plt_offset, bfd_vma plt_index, | |
3575 | bfd_vma got_offset) | |
3576 | { | |
3577 | bfd_vma got_base; | |
3578 | const bfd_vma *plt_entry; | |
3579 | struct _bfd_sparc_elf_link_hash_table *htab; | |
3580 | bfd_byte *loc; | |
3581 | Elf_Internal_Rela rela; | |
3582 | ||
3583 | htab = _bfd_sparc_elf_hash_table (info); | |
3584 | if (info->shared) | |
3585 | { | |
3586 | plt_entry = sparc_vxworks_shared_plt_entry; | |
3587 | got_base = 0; | |
3588 | } | |
3589 | else | |
3590 | { | |
3591 | plt_entry = sparc_vxworks_exec_plt_entry; | |
3592 | got_base = (htab->elf.hgot->root.u.def.value | |
3593 | + htab->elf.hgot->root.u.def.section->output_offset | |
3594 | + htab->elf.hgot->root.u.def.section->output_section->vma); | |
3595 | } | |
3596 | ||
3597 | /* Fill in the entry in the procedure linkage table. */ | |
3598 | bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10), | |
3599 | htab->splt->contents + plt_offset); | |
3600 | bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff), | |
3601 | htab->splt->contents + plt_offset + 4); | |
3602 | bfd_put_32 (output_bfd, plt_entry[2], | |
3603 | htab->splt->contents + plt_offset + 8); | |
3604 | bfd_put_32 (output_bfd, plt_entry[3], | |
3605 | htab->splt->contents + plt_offset + 12); | |
3606 | bfd_put_32 (output_bfd, plt_entry[4], | |
3607 | htab->splt->contents + plt_offset + 16); | |
3608 | bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10), | |
3609 | htab->splt->contents + plt_offset + 20); | |
3610 | /* PC-relative displacement for a branch to the start of | |
3611 | the PLT section. */ | |
3612 | bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2) | |
3613 | & 0x003fffff), | |
3614 | htab->splt->contents + plt_offset + 24); | |
3615 | bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff), | |
3616 | htab->splt->contents + plt_offset + 28); | |
3617 | ||
3618 | /* Fill in the .got.plt entry, pointing initially at the | |
3619 | second half of the PLT entry. */ | |
3620 | BFD_ASSERT (htab->sgotplt != NULL); | |
3621 | bfd_put_32 (output_bfd, | |
3622 | htab->splt->output_section->vma | |
3623 | + htab->splt->output_offset | |
3624 | + plt_offset + 20, | |
3625 | htab->sgotplt->contents + got_offset); | |
3626 | ||
3627 | /* Add relocations to .rela.plt.unloaded. */ | |
3628 | if (!info->shared) | |
3629 | { | |
3630 | loc = (htab->srelplt2->contents | |
3631 | + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela)); | |
3632 | ||
3633 | /* Relocate the initial sethi. */ | |
3634 | rela.r_offset = (htab->splt->output_section->vma | |
3635 | + htab->splt->output_offset | |
3636 | + plt_offset); | |
3637 | rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22); | |
3638 | rela.r_addend = got_offset; | |
3639 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
3640 | loc += sizeof (Elf32_External_Rela); | |
3641 | ||
3642 | /* Likewise the following or. */ | |
3643 | rela.r_offset += 4; | |
3644 | rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10); | |
3645 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
3646 | loc += sizeof (Elf32_External_Rela); | |
3647 | ||
3648 | /* Relocate the .got.plt entry. */ | |
3649 | rela.r_offset = (htab->sgotplt->output_section->vma | |
3650 | + htab->sgotplt->output_offset | |
3651 | + got_offset); | |
3652 | rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32); | |
3653 | rela.r_addend = plt_offset + 20; | |
3654 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
3655 | } | |
3656 | } | |
3657 | ||
22b75d0a DM |
3658 | /* Finish up dynamic symbol handling. We set the contents of various |
3659 | dynamic sections here. */ | |
3660 | ||
3661 | bfd_boolean | |
3662 | _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd, | |
3663 | struct bfd_link_info *info, | |
3664 | struct elf_link_hash_entry *h, | |
3665 | Elf_Internal_Sym *sym) | |
3666 | { | |
3667 | bfd *dynobj; | |
3668 | struct _bfd_sparc_elf_link_hash_table *htab; | |
3669 | ||
3670 | htab = _bfd_sparc_elf_hash_table (info); | |
3671 | dynobj = htab->elf.dynobj; | |
3672 | ||
3673 | if (h->plt.offset != (bfd_vma) -1) | |
3674 | { | |
3675 | asection *splt; | |
3676 | asection *srela; | |
3677 | Elf_Internal_Rela rela; | |
3678 | bfd_byte *loc; | |
910600e9 | 3679 | bfd_vma r_offset, got_offset; |
22b75d0a DM |
3680 | int rela_index; |
3681 | ||
3682 | /* This symbol has an entry in the PLT. Set it up. */ | |
3683 | ||
3684 | BFD_ASSERT (h->dynindx != -1); | |
3685 | ||
3686 | splt = htab->splt; | |
3687 | srela = htab->srelplt; | |
3688 | BFD_ASSERT (splt != NULL && srela != NULL); | |
3689 | ||
22b75d0a | 3690 | /* Fill in the entry in the .rela.plt section. */ |
910600e9 | 3691 | if (htab->is_vxworks) |
22b75d0a | 3692 | { |
910600e9 RS |
3693 | /* Work out the index of this PLT entry. */ |
3694 | rela_index = ((h->plt.offset - htab->plt_header_size) | |
3695 | / htab->plt_entry_size); | |
3696 | ||
3697 | /* Calculate the offset of the associated .got.plt entry. | |
3698 | The first three entries are reserved. */ | |
3699 | got_offset = (rela_index + 3) * 4; | |
3700 | ||
3701 | sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset, | |
3702 | rela_index, got_offset); | |
3703 | ||
3704 | ||
3705 | /* On VxWorks, the relocation points to the .got.plt entry, | |
3706 | not the .plt entry. */ | |
3707 | rela.r_offset = (htab->sgotplt->output_section->vma | |
3708 | + htab->sgotplt->output_offset | |
3709 | + got_offset); | |
22b75d0a DM |
3710 | rela.r_addend = 0; |
3711 | } | |
3712 | else | |
3713 | { | |
910600e9 RS |
3714 | /* Fill in the entry in the procedure linkage table. */ |
3715 | rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt, | |
3716 | h->plt.offset, splt->size, | |
3717 | &r_offset); | |
3718 | ||
3719 | rela.r_offset = r_offset | |
3720 | + (splt->output_section->vma + splt->output_offset); | |
3721 | if (! ABI_64_P (output_bfd) | |
3722 | || h->plt.offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)) | |
3723 | { | |
3724 | rela.r_addend = 0; | |
3725 | } | |
3726 | else | |
3727 | { | |
3728 | rela.r_addend = (-(h->plt.offset + 4) | |
3729 | - splt->output_section->vma | |
3730 | - splt->output_offset); | |
3731 | } | |
22b75d0a DM |
3732 | } |
3733 | rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_JMP_SLOT); | |
3734 | ||
3735 | /* Adjust for the first 4 reserved elements in the .plt section | |
3736 | when setting the offset in the .rela.plt section. | |
3737 | Sun forgot to read their own ABI and copied elf32-sparc behaviour, | |
3738 | thus .plt[4] has corresponding .rela.plt[0] and so on. */ | |
3739 | ||
3740 | loc = srela->contents; | |
e459dc7b | 3741 | #ifdef BFD64 |
22b75d0a DM |
3742 | if (ABI_64_P (output_bfd)) |
3743 | { | |
3744 | loc += rela_index * sizeof (Elf64_External_Rela); | |
3745 | bfd_elf64_swap_reloca_out (output_bfd, &rela, loc); | |
3746 | } | |
3747 | else | |
e459dc7b | 3748 | #endif |
22b75d0a DM |
3749 | { |
3750 | loc += rela_index * sizeof (Elf32_External_Rela); | |
3751 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
3752 | } | |
3753 | ||
3754 | if (!h->def_regular) | |
3755 | { | |
3756 | /* Mark the symbol as undefined, rather than as defined in | |
3757 | the .plt section. Leave the value alone. */ | |
3758 | sym->st_shndx = SHN_UNDEF; | |
3759 | /* If the symbol is weak, we do need to clear the value. | |
3760 | Otherwise, the PLT entry would provide a definition for | |
3761 | the symbol even if the symbol wasn't defined anywhere, | |
3762 | and so the symbol would never be NULL. */ | |
3763 | if (!h->ref_regular_nonweak) | |
3764 | sym->st_value = 0; | |
3765 | } | |
3766 | } | |
3767 | ||
3768 | if (h->got.offset != (bfd_vma) -1 | |
3769 | && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD | |
3770 | && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE) | |
3771 | { | |
3772 | asection *sgot; | |
3773 | asection *srela; | |
3774 | Elf_Internal_Rela rela; | |
3775 | ||
3776 | /* This symbol has an entry in the GOT. Set it up. */ | |
3777 | ||
3778 | sgot = htab->sgot; | |
3779 | srela = htab->srelgot; | |
3780 | BFD_ASSERT (sgot != NULL && srela != NULL); | |
3781 | ||
3782 | rela.r_offset = (sgot->output_section->vma | |
3783 | + sgot->output_offset | |
3784 | + (h->got.offset &~ (bfd_vma) 1)); | |
3785 | ||
3786 | /* If this is a -Bsymbolic link, and the symbol is defined | |
3787 | locally, we just want to emit a RELATIVE reloc. Likewise if | |
3788 | the symbol was forced to be local because of a version file. | |
3789 | The entry in the global offset table will already have been | |
3790 | initialized in the relocate_section function. */ | |
3791 | if (info->shared | |
3792 | && (info->symbolic || h->dynindx == -1) | |
3793 | && h->def_regular) | |
3794 | { | |
3795 | asection *sec = h->root.u.def.section; | |
3796 | rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE); | |
3797 | rela.r_addend = (h->root.u.def.value | |
3798 | + sec->output_section->vma | |
3799 | + sec->output_offset); | |
3800 | } | |
3801 | else | |
3802 | { | |
3803 | rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT); | |
3804 | rela.r_addend = 0; | |
3805 | } | |
3806 | ||
3807 | SPARC_ELF_PUT_WORD (htab, output_bfd, 0, | |
3808 | sgot->contents + (h->got.offset & ~(bfd_vma) 1)); | |
3809 | SPARC_ELF_APPEND_RELA (htab, output_bfd, srela, &rela); | |
3810 | } | |
3811 | ||
3812 | if (h->needs_copy) | |
3813 | { | |
3814 | asection *s; | |
3815 | Elf_Internal_Rela rela; | |
3816 | ||
3817 | /* This symbols needs a copy reloc. Set it up. */ | |
3818 | BFD_ASSERT (h->dynindx != -1); | |
3819 | ||
3820 | s = bfd_get_section_by_name (h->root.u.def.section->owner, | |
3821 | ".rela.bss"); | |
3822 | BFD_ASSERT (s != NULL); | |
3823 | ||
3824 | rela.r_offset = (h->root.u.def.value | |
3825 | + h->root.u.def.section->output_section->vma | |
3826 | + h->root.u.def.section->output_offset); | |
3827 | rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY); | |
3828 | rela.r_addend = 0; | |
3829 | SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &rela); | |
3830 | } | |
3831 | ||
910600e9 RS |
3832 | /* Mark some specially defined symbols as absolute. On VxWorks, |
3833 | _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the | |
3834 | ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */ | |
22b75d0a | 3835 | if (strcmp (h->root.root.string, "_DYNAMIC") == 0 |
910600e9 RS |
3836 | || (!htab->is_vxworks |
3837 | && (h == htab->elf.hgot || h == htab->elf.hplt))) | |
22b75d0a DM |
3838 | sym->st_shndx = SHN_ABS; |
3839 | ||
3840 | return TRUE; | |
3841 | } | |
3842 | ||
3843 | /* Finish up the dynamic sections. */ | |
3844 | ||
e459dc7b | 3845 | #ifdef BFD64 |
22b75d0a DM |
3846 | static bfd_boolean |
3847 | sparc64_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, | |
3848 | bfd *dynobj, asection *sdyn, | |
3849 | asection *splt ATTRIBUTE_UNUSED) | |
3850 | { | |
3851 | Elf64_External_Dyn *dyncon, *dynconend; | |
3852 | int stt_regidx = -1; | |
3853 | ||
3854 | dyncon = (Elf64_External_Dyn *) sdyn->contents; | |
3855 | dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size); | |
3856 | for (; dyncon < dynconend; dyncon++) | |
3857 | { | |
3858 | Elf_Internal_Dyn dyn; | |
3859 | const char *name; | |
3860 | bfd_boolean size; | |
3861 | ||
3862 | bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn); | |
3863 | ||
3864 | switch (dyn.d_tag) | |
3865 | { | |
3866 | case DT_PLTGOT: name = ".plt"; size = FALSE; break; | |
3867 | case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break; | |
3868 | case DT_JMPREL: name = ".rela.plt"; size = FALSE; break; | |
3869 | case DT_SPARC_REGISTER: | |
3870 | if (stt_regidx == -1) | |
3871 | { | |
3872 | stt_regidx = | |
3873 | _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1); | |
3874 | if (stt_regidx == -1) | |
3875 | return FALSE; | |
3876 | } | |
3877 | dyn.d_un.d_val = stt_regidx++; | |
3878 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3879 | /* fallthrough */ | |
3880 | default: name = NULL; size = FALSE; break; | |
3881 | } | |
3882 | ||
3883 | if (name != NULL) | |
3884 | { | |
3885 | asection *s; | |
3886 | ||
3887 | s = bfd_get_section_by_name (output_bfd, name); | |
3888 | if (s == NULL) | |
3889 | dyn.d_un.d_val = 0; | |
3890 | else | |
3891 | { | |
3892 | if (! size) | |
3893 | dyn.d_un.d_ptr = s->vma; | |
3894 | else | |
3895 | dyn.d_un.d_val = s->size; | |
3896 | } | |
3897 | bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3898 | } | |
3899 | } | |
3900 | return TRUE; | |
3901 | } | |
e459dc7b | 3902 | #endif |
22b75d0a DM |
3903 | |
3904 | static bfd_boolean | |
910600e9 | 3905 | sparc32_finish_dyn (bfd *output_bfd, struct bfd_link_info *info, |
22b75d0a DM |
3906 | bfd *dynobj, asection *sdyn, |
3907 | asection *splt ATTRIBUTE_UNUSED) | |
3908 | { | |
3909 | Elf32_External_Dyn *dyncon, *dynconend; | |
910600e9 | 3910 | struct _bfd_sparc_elf_link_hash_table *htab; |
22b75d0a | 3911 | |
910600e9 | 3912 | htab = _bfd_sparc_elf_hash_table (info); |
22b75d0a DM |
3913 | dyncon = (Elf32_External_Dyn *) sdyn->contents; |
3914 | dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); | |
3915 | for (; dyncon < dynconend; dyncon++) | |
3916 | { | |
3917 | Elf_Internal_Dyn dyn; | |
3918 | const char *name; | |
3919 | bfd_boolean size; | |
3920 | ||
3921 | bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); | |
3922 | ||
910600e9 | 3923 | if (htab->is_vxworks && dyn.d_tag == DT_RELASZ) |
22b75d0a | 3924 | { |
910600e9 RS |
3925 | /* On VxWorks, DT_RELASZ should not include the relocations |
3926 | in .rela.plt. */ | |
3927 | if (htab->srelplt) | |
3928 | { | |
3929 | dyn.d_un.d_val -= htab->srelplt->size; | |
3930 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3931 | } | |
22b75d0a | 3932 | } |
910600e9 | 3933 | else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT) |
22b75d0a | 3934 | { |
910600e9 RS |
3935 | /* On VxWorks, DT_PLTGOT should point to the start of the GOT, |
3936 | not to the start of the PLT. */ | |
3937 | if (htab->sgotplt) | |
3938 | { | |
3939 | dyn.d_un.d_val = (htab->sgotplt->output_section->vma | |
3940 | + htab->sgotplt->output_offset); | |
3941 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
3942 | } | |
3943 | } | |
3944 | else | |
3945 | { | |
3946 | switch (dyn.d_tag) | |
3947 | { | |
3948 | case DT_PLTGOT: name = ".plt"; size = FALSE; break; | |
3949 | case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break; | |
3950 | case DT_JMPREL: name = ".rela.plt"; size = FALSE; break; | |
3951 | default: name = NULL; size = FALSE; break; | |
3952 | } | |
22b75d0a | 3953 | |
910600e9 | 3954 | if (name != NULL) |
22b75d0a | 3955 | { |
910600e9 RS |
3956 | asection *s; |
3957 | ||
3958 | s = bfd_get_section_by_name (output_bfd, name); | |
3959 | if (s == NULL) | |
3960 | dyn.d_un.d_val = 0; | |
22b75d0a | 3961 | else |
910600e9 RS |
3962 | { |
3963 | if (! size) | |
3964 | dyn.d_un.d_ptr = s->vma; | |
3965 | else | |
3966 | dyn.d_un.d_val = s->size; | |
3967 | } | |
3968 | bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); | |
22b75d0a | 3969 | } |
22b75d0a DM |
3970 | } |
3971 | } | |
3972 | return TRUE; | |
3973 | } | |
3974 | ||
910600e9 RS |
3975 | /* Install the first PLT entry in a VxWorks executable and make sure that |
3976 | .rela.plt.unloaded relocations have the correct symbol indexes. */ | |
3977 | ||
3978 | static void | |
3979 | sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info) | |
3980 | { | |
3981 | struct _bfd_sparc_elf_link_hash_table *htab; | |
3982 | Elf_Internal_Rela rela; | |
3983 | bfd_vma got_base; | |
3984 | bfd_byte *loc; | |
3985 | ||
3986 | htab = _bfd_sparc_elf_hash_table (info); | |
3987 | ||
3988 | /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */ | |
3989 | got_base = (htab->elf.hgot->root.u.def.section->output_section->vma | |
3990 | + htab->elf.hgot->root.u.def.section->output_offset | |
3991 | + htab->elf.hgot->root.u.def.value); | |
3992 | ||
3993 | /* Install the initial PLT entry. */ | |
3994 | bfd_put_32 (output_bfd, | |
3995 | sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10), | |
3996 | htab->splt->contents); | |
3997 | bfd_put_32 (output_bfd, | |
3998 | sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff), | |
3999 | htab->splt->contents + 4); | |
4000 | bfd_put_32 (output_bfd, | |
4001 | sparc_vxworks_exec_plt0_entry[2], | |
4002 | htab->splt->contents + 8); | |
4003 | bfd_put_32 (output_bfd, | |
4004 | sparc_vxworks_exec_plt0_entry[3], | |
4005 | htab->splt->contents + 12); | |
4006 | bfd_put_32 (output_bfd, | |
4007 | sparc_vxworks_exec_plt0_entry[4], | |
4008 | htab->splt->contents + 16); | |
4009 | ||
4010 | loc = htab->srelplt2->contents; | |
4011 | ||
4012 | /* Add an unloaded relocation for the initial entry's "sethi". */ | |
4013 | rela.r_offset = (htab->splt->output_section->vma | |
4014 | + htab->splt->output_offset); | |
4015 | rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22); | |
4016 | rela.r_addend = 8; | |
4017 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
4018 | loc += sizeof (Elf32_External_Rela); | |
4019 | ||
4020 | /* Likewise the following "or". */ | |
4021 | rela.r_offset += 4; | |
4022 | rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10); | |
4023 | bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); | |
4024 | loc += sizeof (Elf32_External_Rela); | |
4025 | ||
4026 | /* Fix up the remaining .rela.plt.unloaded relocations. They may have | |
4027 | the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order | |
4028 | in which symbols were output. */ | |
4029 | while (loc < htab->srelplt2->contents + htab->srelplt2->size) | |
4030 | { | |
4031 | Elf_Internal_Rela rel; | |
4032 | ||
4033 | /* The entry's initial "sethi" (against _G_O_T_). */ | |
4034 | bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); | |
4035 | rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22); | |
4036 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
4037 | loc += sizeof (Elf32_External_Rela); | |
4038 | ||
4039 | /* The following "or" (also against _G_O_T_). */ | |
4040 | bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); | |
4041 | rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10); | |
4042 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
4043 | loc += sizeof (Elf32_External_Rela); | |
4044 | ||
4045 | /* The .got.plt entry (against _P_L_T_). */ | |
4046 | bfd_elf32_swap_reloc_in (output_bfd, loc, &rel); | |
4047 | rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32); | |
4048 | bfd_elf32_swap_reloc_out (output_bfd, &rel, loc); | |
4049 | loc += sizeof (Elf32_External_Rela); | |
4050 | } | |
4051 | } | |
4052 | ||
4053 | /* Install the first PLT entry in a VxWorks shared object. */ | |
4054 | ||
4055 | static void | |
4056 | sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info) | |
4057 | { | |
4058 | struct _bfd_sparc_elf_link_hash_table *htab; | |
4059 | unsigned int i; | |
4060 | ||
4061 | htab = _bfd_sparc_elf_hash_table (info); | |
4062 | for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++) | |
4063 | bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i], | |
4064 | htab->splt->contents + i * 4); | |
4065 | } | |
4066 | ||
22b75d0a DM |
4067 | bfd_boolean |
4068 | _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) | |
4069 | { | |
4070 | bfd *dynobj; | |
4071 | asection *sdyn; | |
4072 | struct _bfd_sparc_elf_link_hash_table *htab; | |
4073 | ||
4074 | htab = _bfd_sparc_elf_hash_table (info); | |
4075 | dynobj = htab->elf.dynobj; | |
4076 | ||
4077 | sdyn = bfd_get_section_by_name (dynobj, ".dynamic"); | |
4078 | ||
4079 | if (elf_hash_table (info)->dynamic_sections_created) | |
4080 | { | |
4081 | asection *splt; | |
4082 | bfd_boolean ret; | |
4083 | ||
4084 | splt = bfd_get_section_by_name (dynobj, ".plt"); | |
4085 | BFD_ASSERT (splt != NULL && sdyn != NULL); | |
4086 | ||
e459dc7b | 4087 | #ifdef BFD64 |
22b75d0a DM |
4088 | if (ABI_64_P (output_bfd)) |
4089 | ret = sparc64_finish_dyn (output_bfd, info, dynobj, sdyn, splt); | |
4090 | else | |
e459dc7b | 4091 | #endif |
22b75d0a DM |
4092 | ret = sparc32_finish_dyn (output_bfd, info, dynobj, sdyn, splt); |
4093 | ||
4094 | if (ret != TRUE) | |
4095 | return ret; | |
4096 | ||
4097 | /* Initialize the contents of the .plt section. */ | |
4098 | if (splt->size > 0) | |
4099 | { | |
910600e9 RS |
4100 | if (htab->is_vxworks) |
4101 | { | |
4102 | if (info->shared) | |
4103 | sparc_vxworks_finish_shared_plt (output_bfd, info); | |
4104 | else | |
4105 | sparc_vxworks_finish_exec_plt (output_bfd, info); | |
4106 | } | |
22b75d0a DM |
4107 | else |
4108 | { | |
910600e9 RS |
4109 | memset (splt->contents, 0, htab->plt_header_size); |
4110 | if (!ABI_64_P (output_bfd)) | |
4111 | bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, | |
4112 | splt->contents + splt->size - 4); | |
22b75d0a DM |
4113 | } |
4114 | } | |
4115 | ||
910600e9 | 4116 | elf_section_data (splt->output_section)->this_hdr.sh_entsize |
7eeb1be6 JJ |
4117 | = (htab->is_vxworks || !ABI_64_P (output_bfd)) |
4118 | ? 0 : htab->plt_entry_size; | |
22b75d0a DM |
4119 | } |
4120 | ||
4121 | /* Set the first entry in the global offset table to the address of | |
4122 | the dynamic section. */ | |
4123 | if (htab->sgot && htab->sgot->size > 0) | |
4124 | { | |
4125 | bfd_vma val = (sdyn ? | |
4126 | sdyn->output_section->vma + sdyn->output_offset : | |
4127 | 0); | |
4128 | ||
4129 | SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->sgot->contents); | |
4130 | } | |
4131 | ||
4132 | if (htab->sgot) | |
4133 | elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize = | |
4134 | SPARC_ELF_WORD_BYTES (htab); | |
4135 | ||
4136 | return TRUE; | |
4137 | } | |
4138 | ||
4139 | \f | |
4140 | /* Set the right machine number for a SPARC ELF file. */ | |
4141 | ||
4142 | bfd_boolean | |
4143 | _bfd_sparc_elf_object_p (bfd *abfd) | |
4144 | { | |
4145 | if (ABI_64_P (abfd)) | |
4146 | { | |
4147 | unsigned long mach = bfd_mach_sparc_v9; | |
4148 | ||
4149 | if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3) | |
4150 | mach = bfd_mach_sparc_v9b; | |
4151 | else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1) | |
4152 | mach = bfd_mach_sparc_v9a; | |
4153 | return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach); | |
4154 | } | |
4155 | else | |
4156 | { | |
4157 | if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS) | |
4158 | { | |
4159 | if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3) | |
4160 | return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, | |
4161 | bfd_mach_sparc_v8plusb); | |
4162 | else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1) | |
4163 | return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, | |
4164 | bfd_mach_sparc_v8plusa); | |
4165 | else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS) | |
4166 | return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, | |
4167 | bfd_mach_sparc_v8plus); | |
4168 | else | |
4169 | return FALSE; | |
4170 | } | |
4171 | else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA) | |
4172 | return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, | |
4173 | bfd_mach_sparc_sparclite_le); | |
4174 | else | |
4175 | return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc); | |
4176 | } | |
4177 | } | |
4178 | ||
4179 | /* Return address for Ith PLT stub in section PLT, for relocation REL | |
4180 | or (bfd_vma) -1 if it should not be included. */ | |
4181 | ||
4182 | bfd_vma | |
4183 | _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel) | |
4184 | { | |
4185 | if (ABI_64_P (plt->owner)) | |
4186 | { | |
4187 | bfd_vma j; | |
4188 | ||
4189 | i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE; | |
4190 | if (i < PLT64_LARGE_THRESHOLD) | |
4191 | return plt->vma + i * PLT64_ENTRY_SIZE; | |
4192 | ||
4193 | j = (i - PLT64_LARGE_THRESHOLD) % 160; | |
4194 | i -= j; | |
4195 | return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6; | |
4196 | } | |
4197 | else | |
4198 | return rel->address; | |
4199 | } |