1 /* SPARC-specific support for ELF
2 Copyright 2005, 2006 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
20 /* This file handles functionality common to the different SPARC ABI's. */
26 #include "libiberty.h"
28 #include "elf/sparc.h"
29 #include "opcode/sparc.h"
30 #include "elfxx-sparc.h"
31 #include "elf-vxworks.h"
33 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
34 #define MINUS_ONE (~ (bfd_vma) 0)
36 #define ABI_64_P(abfd) \
37 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
39 /* The relocation "howto" table. */
41 /* Utility for performing the standard initial work of an instruction
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. */
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)
55 reloc_howto_type *howto = reloc_entry->howto;
57 if (output_bfd != (bfd *) NULL
58 && (symbol->flags & BSF_SECTION_SYM) == 0
59 && (! howto->partial_inplace
60 || reloc_entry->addend == 0))
62 reloc_entry->address += input_section->output_offset;
66 /* This works because partial_inplace is FALSE. */
67 if (output_bfd != NULL)
68 return bfd_reloc_continue;
70 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
71 return bfd_reloc_outofrange;
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)
79 relocation -= (input_section->output_section->vma
80 + input_section->output_offset);
81 relocation -= reloc_entry->address;
84 *prelocation = relocation;
85 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
86 return bfd_reloc_other;
89 /* For unsupported relocs. */
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)
100 return bfd_reloc_notsupported;
103 /* Handle the WDISP16 reloc. */
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)
112 bfd_reloc_status_type status;
114 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
115 input_section, output_bfd, &relocation, &insn);
116 if (status != bfd_reloc_other)
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);
123 if ((bfd_signed_vma) relocation < - 0x40000
124 || (bfd_signed_vma) relocation > 0x3ffff)
125 return bfd_reloc_overflow;
130 /* Handle the HIX22 reloc. */
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)
139 bfd_reloc_status_type status;
141 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
142 input_section, output_bfd, &relocation, &insn);
143 if (status != bfd_reloc_other)
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);
150 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
151 return bfd_reloc_overflow;
156 /* Handle the LOX10 reloc. */
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)
165 bfd_reloc_status_type status;
167 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
168 input_section, output_bfd, &relocation, &insn);
169 if (status != bfd_reloc_other)
172 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
173 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
178 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
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)
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);
268 struct elf_reloc_map {
269 bfd_reloc_code_real_type bfd_reloc_val;
270 unsigned char elf_reloc_val;
273 static const struct elf_reloc_map sparc_reloc_map[] =
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 },
357 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
358 bfd_reloc_code_real_type code)
364 case BFD_RELOC_VTABLE_INHERIT:
365 return &sparc_vtinherit_howto;
367 case BFD_RELOC_VTABLE_ENTRY:
368 return &sparc_vtentry_howto;
370 case BFD_RELOC_SPARC_REV32:
371 return &sparc_rev32_howto;
375 i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map);
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);
383 bfd_set_error (bfd_error_bad_value);
388 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
392 case R_SPARC_GNU_VTINHERIT:
393 return &sparc_vtinherit_howto;
395 case R_SPARC_GNU_VTENTRY:
396 return &sparc_vtentry_howto;
399 return &sparc_rev32_howto;
402 if (r_type >= (unsigned int) R_SPARC_max_std)
404 (*_bfd_error_handler) (_("invalid relocation type %d"),
406 r_type = R_SPARC_NONE;
408 return &_bfd_sparc_elf_howto_table[r_type];
412 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
413 so just take advantage of that. */
414 #define SPARC_ELF_R_TYPE(r_info) \
418 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
419 Elf_Internal_Rela *dst)
421 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
423 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
427 /* The nop opcode we use. */
428 #define SPARC_NOP 0x01000000
430 #define SPARC_INSN_BYTES 4
432 /* The SPARC linker needs to keep track of the number of relocs that it
433 decides to copy as dynamic relocs in check_relocs for each symbol.
434 This is so that it can later discard them if they are found to be
435 unnecessary. We store the information in a field extending the
436 regular ELF linker hash table. */
438 struct _bfd_sparc_elf_dyn_relocs
440 struct _bfd_sparc_elf_dyn_relocs *next;
442 /* The input section of the reloc. */
445 /* Total number of relocs copied for the input section. */
448 /* Number of pc-relative relocs copied for the input section. */
449 bfd_size_type pc_count;
452 /* SPARC ELF linker hash entry. */
454 struct _bfd_sparc_elf_link_hash_entry
456 struct elf_link_hash_entry elf;
458 /* Track dynamic relocs copied for this symbol. */
459 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
461 #define GOT_UNKNOWN 0
465 unsigned char tls_type;
468 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
470 struct _bfd_sparc_elf_obj_tdata
472 struct elf_obj_tdata root;
474 /* tls_type for each local got entry. */
475 char *local_got_tls_type;
477 /* TRUE if TLS GD relocs has been seen for this object. */
478 bfd_boolean has_tlsgd;
481 #define _bfd_sparc_elf_tdata(abfd) \
482 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
484 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
485 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
488 _bfd_sparc_elf_mkobject (bfd *abfd)
490 if (abfd->tdata.any == NULL)
492 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_obj_tdata);
493 abfd->tdata.any = bfd_zalloc (abfd, amt);
494 if (abfd->tdata.any == NULL)
497 return bfd_elf_mkobject (abfd);
501 sparc_put_word_32 (bfd *bfd, bfd_vma val, void *ptr)
503 bfd_put_32 (bfd, val, ptr);
507 sparc_put_word_64 (bfd *bfd, bfd_vma val, void *ptr)
509 bfd_put_64 (bfd, val, ptr);
513 sparc_elf_append_rela_64 (bfd *abfd ATTRIBUTE_UNUSED,
514 asection *s ATTRIBUTE_UNUSED,
515 Elf_Internal_Rela *rel ATTRIBUTE_UNUSED)
518 Elf64_External_Rela *loc64;
520 loc64 = (Elf64_External_Rela *) s->contents;
521 loc64 += s->reloc_count++;
522 bfd_elf64_swap_reloca_out (abfd, rel, (bfd_byte *) loc64);
527 sparc_elf_append_rela_32 (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
529 Elf32_External_Rela *loc32;
531 loc32 = (Elf32_External_Rela *) s->contents;
532 loc32 += s->reloc_count++;
533 bfd_elf32_swap_reloca_out (abfd, rel, (bfd_byte *) loc32);
537 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
538 bfd_vma index ATTRIBUTE_UNUSED,
539 bfd_vma type ATTRIBUTE_UNUSED)
541 return ELF64_R_INFO (index,
543 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
548 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
549 bfd_vma index, bfd_vma type)
551 return ELF32_R_INFO (index, type);
555 sparc_elf_r_symndx_64 (bfd_vma r_info)
557 bfd_vma r_symndx = ELF32_R_SYM (r_info);
558 return (r_symndx >> 24);
562 sparc_elf_r_symndx_32 (bfd_vma r_info)
564 return ELF32_R_SYM (r_info);
569 #define PLT32_ENTRY_SIZE 12
570 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
572 /* The first four entries in a 32-bit procedure linkage table are reserved,
573 and the initial contents are unimportant (we zero them out).
574 Subsequent entries look like this. See the SVR4 ABI SPARC
575 supplement to see how this works. */
577 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
578 #define PLT32_ENTRY_WORD0 0x03000000
579 /* b,a .plt0. We fill in the offset later. */
580 #define PLT32_ENTRY_WORD1 0x30800000
582 #define PLT32_ENTRY_WORD2 SPARC_NOP
585 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
586 bfd_vma max ATTRIBUTE_UNUSED,
589 bfd_put_32 (output_bfd,
590 PLT32_ENTRY_WORD0 + offset,
591 splt->contents + offset);
592 bfd_put_32 (output_bfd,
594 + (((- (offset + 4)) >> 2) & 0x3fffff)),
595 splt->contents + offset + 4);
596 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
597 splt->contents + offset + 8);
601 return offset / PLT32_ENTRY_SIZE - 4;
604 /* Both the headers and the entries are icache aligned. */
605 #define PLT64_ENTRY_SIZE 32
606 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
607 #define PLT64_LARGE_THRESHOLD 32768
610 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
611 bfd_vma max, bfd_vma *r_offset)
613 unsigned char *entry = splt->contents + offset;
614 const unsigned int nop = SPARC_NOP;
617 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
619 unsigned int sethi, ba;
623 index = (offset / PLT64_ENTRY_SIZE);
625 sethi = 0x03000000 | (index * PLT64_ENTRY_SIZE);
627 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
629 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
630 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
631 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
632 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
633 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
634 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
635 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
636 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
642 int block, last_block, ofs, last_ofs, chunks_this_block;
643 const int insn_chunk_size = (6 * 4);
644 const int ptr_chunk_size = (1 * 8);
645 const int entries_per_block = 160;
646 const int block_size = entries_per_block * (insn_chunk_size
649 /* Entries 32768 and higher are grouped into blocks of 160.
650 The blocks are further subdivided into 160 sequences of
651 6 instructions and 160 pointers. If a block does not require
652 the full 160 entries, let's say it requires N, then there
653 will be N sequences of 6 instructions and N pointers. */
655 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
656 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
658 block = offset / block_size;
659 last_block = max / block_size;
660 if (block != last_block)
662 chunks_this_block = 160;
666 last_ofs = max % block_size;
667 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
670 ofs = offset % block_size;
672 index = (PLT64_LARGE_THRESHOLD +
674 (ofs / insn_chunk_size));
677 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
678 + (block * block_size)
679 + (chunks_this_block * insn_chunk_size)
680 + (ofs / insn_chunk_size) * ptr_chunk_size;
682 *r_offset = (bfd_vma) (ptr - splt->contents);
684 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
692 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
693 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
694 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
695 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
696 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
697 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
699 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
705 /* The format of the first PLT entry in a VxWorks executable. */
706 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
708 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
709 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
710 0xc4008000, /* ld [ %g2 ], %g2 */
711 0x81c08000, /* jmp %g2 */
715 /* The format of subsequent PLT entries. */
716 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
718 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
719 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
720 0xc2004000, /* ld [ %g1 ], %g1 */
721 0x81c04000, /* jmp %g1 */
722 0x01000000, /* nop */
723 0x03000000, /* sethi %hi(f@pltindex), %g1 */
724 0x10800000, /* b _PLT_resolve */
725 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
728 /* The format of the first PLT entry in a VxWorks shared object. */
729 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
731 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
732 0x81c08000, /* jmp %g2 */
736 /* The format of subsequent PLT entries. */
737 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
739 0x03000000, /* sethi %hi(f@got), %g1 */
740 0x82106000, /* or %g1, %lo(f@got), %g1 */
741 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
742 0x81c04000, /* jmp %g1 */
743 0x01000000, /* nop */
744 0x03000000, /* sethi %hi(f@pltindex), %g1 */
745 0x10800000, /* b _PLT_resolve */
746 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
749 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
750 htab->put_word(bfd, val, ptr)
752 #define SPARC_ELF_APPEND_RELA(htab, bfd, sec, rela) \
753 htab->append_rela(bfd, sec, rela)
755 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
756 htab->r_info(in_rel, index, type)
758 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
759 htab->r_symndx(r_info)
761 #define SPARC_ELF_WORD_BYTES(htab) \
764 #define SPARC_ELF_RELA_BYTES(htab) \
767 #define SPARC_ELF_DTPOFF_RELOC(htab) \
770 #define SPARC_ELF_DTPMOD_RELOC(htab) \
773 #define SPARC_ELF_TPOFF_RELOC(htab) \
776 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
777 htab->build_plt_entry (obfd, splt, off, max, r_off)
779 /* Create an entry in an SPARC ELF linker hash table. */
781 static struct bfd_hash_entry *
782 link_hash_newfunc (struct bfd_hash_entry *entry,
783 struct bfd_hash_table *table, const char *string)
785 /* Allocate the structure if it has not already been allocated by a
789 entry = bfd_hash_allocate (table,
790 sizeof (struct _bfd_sparc_elf_link_hash_entry));
795 /* Call the allocation method of the superclass. */
796 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
799 struct _bfd_sparc_elf_link_hash_entry *eh;
801 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
802 eh->dyn_relocs = NULL;
803 eh->tls_type = GOT_UNKNOWN;
809 /* The name of the dynamic interpreter. This is put in the .interp
812 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
813 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
815 /* Create a SPARC ELF linker hash table. */
817 struct bfd_link_hash_table *
818 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
820 struct _bfd_sparc_elf_link_hash_table *ret;
821 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
823 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
829 ret->put_word = sparc_put_word_64;
830 ret->append_rela = sparc_elf_append_rela_64;
831 ret->r_info = sparc_elf_r_info_64;
832 ret->r_symndx = sparc_elf_r_symndx_64;
833 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
834 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
835 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
836 ret->word_align_power = 3;
837 ret->align_power_max = 4;
838 ret->bytes_per_word = 8;
839 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
840 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
841 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
845 ret->put_word = sparc_put_word_32;
846 ret->append_rela = sparc_elf_append_rela_32;
847 ret->r_info = sparc_elf_r_info_32;
848 ret->r_symndx = sparc_elf_r_symndx_32;
849 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
850 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
851 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
852 ret->word_align_power = 2;
853 ret->align_power_max = 3;
854 ret->bytes_per_word = 4;
855 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
856 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
857 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
860 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
861 sizeof (struct _bfd_sparc_elf_link_hash_entry)))
867 return &ret->elf.root;
870 /* Create .got and .rela.got sections in DYNOBJ, and set up
871 shortcuts to them in our hash table. */
874 create_got_section (bfd *dynobj, struct bfd_link_info *info)
876 struct _bfd_sparc_elf_link_hash_table *htab;
878 if (! _bfd_elf_create_got_section (dynobj, info))
881 htab = _bfd_sparc_elf_hash_table (info);
882 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
883 BFD_ASSERT (htab->sgot != NULL);
885 htab->srelgot = bfd_make_section_with_flags (dynobj, ".rela.got",
892 if (htab->srelgot == NULL
893 || ! bfd_set_section_alignment (dynobj, htab->srelgot,
894 htab->word_align_power))
897 if (htab->is_vxworks)
899 htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
907 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
908 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
912 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
913 struct bfd_link_info *info)
915 struct _bfd_sparc_elf_link_hash_table *htab;
917 htab = _bfd_sparc_elf_hash_table (info);
918 if (!htab->sgot && !create_got_section (dynobj, info))
921 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
924 htab->splt = bfd_get_section_by_name (dynobj, ".plt");
925 htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
926 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
928 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
930 if (htab->is_vxworks)
932 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
936 htab->plt_header_size
937 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
939 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
943 htab->plt_header_size
944 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
946 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
951 if (ABI_64_P (dynobj))
953 htab->build_plt_entry = sparc64_plt_entry_build;
954 htab->plt_header_size = PLT64_HEADER_SIZE;
955 htab->plt_entry_size = PLT64_ENTRY_SIZE;
959 htab->build_plt_entry = sparc32_plt_entry_build;
960 htab->plt_header_size = PLT32_HEADER_SIZE;
961 htab->plt_entry_size = PLT32_ENTRY_SIZE;
965 if (!htab->splt || !htab->srelplt || !htab->sdynbss
966 || (!info->shared && !htab->srelbss))
972 /* Copy the extra info we tack onto an elf_link_hash_entry. */
975 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
976 struct elf_link_hash_entry *dir,
977 struct elf_link_hash_entry *ind)
979 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
981 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
982 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
984 if (eind->dyn_relocs != NULL)
986 if (edir->dyn_relocs != NULL)
988 struct _bfd_sparc_elf_dyn_relocs **pp;
989 struct _bfd_sparc_elf_dyn_relocs *p;
991 /* Add reloc counts against the indirect sym to the direct sym
992 list. Merge any entries against the same section. */
993 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
995 struct _bfd_sparc_elf_dyn_relocs *q;
997 for (q = edir->dyn_relocs; q != NULL; q = q->next)
998 if (q->sec == p->sec)
1000 q->pc_count += p->pc_count;
1001 q->count += p->count;
1008 *pp = edir->dyn_relocs;
1011 edir->dyn_relocs = eind->dyn_relocs;
1012 eind->dyn_relocs = NULL;
1015 if (ind->root.type == bfd_link_hash_indirect
1016 && dir->got.refcount <= 0)
1018 edir->tls_type = eind->tls_type;
1019 eind->tls_type = GOT_UNKNOWN;
1021 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1025 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1026 int r_type, int is_local)
1028 if (! ABI_64_P (abfd)
1029 && r_type == R_SPARC_TLS_GD_HI22
1030 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1031 r_type = R_SPARC_REV32;
1038 case R_SPARC_TLS_GD_HI22:
1040 return R_SPARC_TLS_LE_HIX22;
1041 return R_SPARC_TLS_IE_HI22;
1042 case R_SPARC_TLS_GD_LO10:
1044 return R_SPARC_TLS_LE_LOX10;
1045 return R_SPARC_TLS_IE_LO10;
1046 case R_SPARC_TLS_IE_HI22:
1048 return R_SPARC_TLS_LE_HIX22;
1050 case R_SPARC_TLS_IE_LO10:
1052 return R_SPARC_TLS_LE_LOX10;
1054 case R_SPARC_TLS_LDM_HI22:
1055 return R_SPARC_TLS_LE_HIX22;
1056 case R_SPARC_TLS_LDM_LO10:
1057 return R_SPARC_TLS_LE_LOX10;
1063 /* Look through the relocs for a section during the first phase, and
1064 allocate space in the global offset table or procedure linkage
1068 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1069 asection *sec, const Elf_Internal_Rela *relocs)
1071 struct _bfd_sparc_elf_link_hash_table *htab;
1072 Elf_Internal_Shdr *symtab_hdr;
1073 struct elf_link_hash_entry **sym_hashes;
1074 bfd_vma *local_got_offsets;
1075 const Elf_Internal_Rela *rel;
1076 const Elf_Internal_Rela *rel_end;
1079 bfd_boolean checked_tlsgd = FALSE;
1081 if (info->relocatable)
1084 htab = _bfd_sparc_elf_hash_table (info);
1085 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1086 sym_hashes = elf_sym_hashes (abfd);
1087 local_got_offsets = elf_local_got_offsets (abfd);
1091 if (ABI_64_P (abfd))
1092 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr);
1094 num_relocs = sec->reloc_count;
1095 rel_end = relocs + num_relocs;
1096 for (rel = relocs; rel < rel_end; rel++)
1098 unsigned int r_type;
1099 unsigned long r_symndx;
1100 struct elf_link_hash_entry *h;
1102 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1103 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1105 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1107 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
1112 if (r_symndx < symtab_hdr->sh_info)
1116 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1117 while (h->root.type == bfd_link_hash_indirect
1118 || h->root.type == bfd_link_hash_warning)
1119 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1122 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1123 with R_SPARC_TLS_GD_HI22. */
1124 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1127 case R_SPARC_TLS_GD_HI22:
1129 const Elf_Internal_Rela *relt;
1131 for (relt = rel + 1; relt < rel_end; relt++)
1132 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1133 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1134 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1136 checked_tlsgd = TRUE;
1137 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1140 case R_SPARC_TLS_GD_LO10:
1141 case R_SPARC_TLS_GD_ADD:
1142 case R_SPARC_TLS_GD_CALL:
1143 checked_tlsgd = TRUE;
1144 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1148 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1151 case R_SPARC_TLS_LDM_HI22:
1152 case R_SPARC_TLS_LDM_LO10:
1153 htab->tls_ldm_got.refcount += 1;
1156 case R_SPARC_TLS_LE_HIX22:
1157 case R_SPARC_TLS_LE_LOX10:
1162 case R_SPARC_TLS_IE_HI22:
1163 case R_SPARC_TLS_IE_LO10:
1165 info->flags |= DF_STATIC_TLS;
1171 case R_SPARC_TLS_GD_HI22:
1172 case R_SPARC_TLS_GD_LO10:
1173 /* This symbol requires a global offset table entry. */
1175 int tls_type, old_tls_type;
1183 tls_type = GOT_NORMAL;
1185 case R_SPARC_TLS_GD_HI22:
1186 case R_SPARC_TLS_GD_LO10:
1187 tls_type = GOT_TLS_GD;
1189 case R_SPARC_TLS_IE_HI22:
1190 case R_SPARC_TLS_IE_LO10:
1191 tls_type = GOT_TLS_IE;
1197 h->got.refcount += 1;
1198 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1202 bfd_signed_vma *local_got_refcounts;
1204 /* This is a global offset table entry for a local symbol. */
1205 local_got_refcounts = elf_local_got_refcounts (abfd);
1206 if (local_got_refcounts == NULL)
1210 size = symtab_hdr->sh_info;
1211 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1212 local_got_refcounts = ((bfd_signed_vma *)
1213 bfd_zalloc (abfd, size));
1214 if (local_got_refcounts == NULL)
1216 elf_local_got_refcounts (abfd) = local_got_refcounts;
1217 _bfd_sparc_elf_local_got_tls_type (abfd)
1218 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1220 local_got_refcounts[r_symndx] += 1;
1221 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1224 /* If a TLS symbol is accessed using IE at least once,
1225 there is no point to use dynamic model for it. */
1226 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1227 && (old_tls_type != GOT_TLS_GD
1228 || tls_type != GOT_TLS_IE))
1230 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1231 tls_type = old_tls_type;
1234 (*_bfd_error_handler)
1235 (_("%B: `%s' accessed both as normal and thread local symbol"),
1236 abfd, h ? h->root.root.string : "<local>");
1241 if (old_tls_type != tls_type)
1244 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1246 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1250 if (htab->sgot == NULL)
1252 if (htab->elf.dynobj == NULL)
1253 htab->elf.dynobj = abfd;
1254 if (!create_got_section (htab->elf.dynobj, info))
1259 case R_SPARC_TLS_GD_CALL:
1260 case R_SPARC_TLS_LDM_CALL:
1263 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1265 struct bfd_link_hash_entry *bh = NULL;
1266 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1267 "__tls_get_addr", 0,
1268 bfd_und_section_ptr, 0,
1272 h = (struct elf_link_hash_entry *) bh;
1279 case R_SPARC_WPLT30:
1280 case R_SPARC_HIPLT22:
1281 case R_SPARC_LOPLT10:
1282 case R_SPARC_PCPLT32:
1283 case R_SPARC_PCPLT22:
1284 case R_SPARC_PCPLT10:
1286 /* This symbol requires a procedure linkage table entry. We
1287 actually build the entry in adjust_dynamic_symbol,
1288 because this might be a case of linking PIC code without
1289 linking in any dynamic objects, in which case we don't
1290 need to generate a procedure linkage table after all. */
1294 if (! ABI_64_P (abfd))
1296 /* The Solaris native assembler will generate a WPLT30
1297 reloc for a local symbol if you assemble a call from
1298 one section to another when using -K pic. We treat
1300 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1305 /* It does not make sense to have a procedure linkage
1306 table entry for a local symbol. */
1307 bfd_set_error (bfd_error_bad_value);
1316 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1317 if (this_r_type == R_SPARC_PLT32
1318 || this_r_type == R_SPARC_PLT64)
1321 h->plt.refcount += 1;
1326 case R_SPARC_PC_HH22:
1327 case R_SPARC_PC_HM10:
1328 case R_SPARC_PC_LM22:
1333 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1338 case R_SPARC_DISP16:
1339 case R_SPARC_DISP32:
1340 case R_SPARC_DISP64:
1341 case R_SPARC_WDISP30:
1342 case R_SPARC_WDISP22:
1343 case R_SPARC_WDISP19:
1344 case R_SPARC_WDISP16:
1374 if (h != NULL && !info->shared)
1376 /* We may need a .plt entry if the function this reloc
1377 refers to is in a shared lib. */
1378 h->plt.refcount += 1;
1381 /* If we are creating a shared library, and this is a reloc
1382 against a global symbol, or a non PC relative reloc
1383 against a local symbol, then we need to copy the reloc
1384 into the shared library. However, if we are linking with
1385 -Bsymbolic, we do not need to copy a reloc against a
1386 global symbol which is defined in an object we are
1387 including in the link (i.e., DEF_REGULAR is set). At
1388 this point we have not seen all the input files, so it is
1389 possible that DEF_REGULAR is not set now but will be set
1390 later (it is never cleared). In case of a weak definition,
1391 DEF_REGULAR may be cleared later by a strong definition in
1392 a shared library. We account for that possibility below by
1393 storing information in the relocs_copied field of the hash
1394 table entry. A similar situation occurs when creating
1395 shared libraries and symbol visibility changes render the
1398 If on the other hand, we are creating an executable, we
1399 may need to keep relocations for symbols satisfied by a
1400 dynamic library if we manage to avoid copy relocs for the
1403 && (sec->flags & SEC_ALLOC) != 0
1404 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1406 && (! info->symbolic
1407 || h->root.type == bfd_link_hash_defweak
1408 || !h->def_regular))))
1410 && (sec->flags & SEC_ALLOC) != 0
1412 && (h->root.type == bfd_link_hash_defweak
1413 || !h->def_regular)))
1415 struct _bfd_sparc_elf_dyn_relocs *p;
1416 struct _bfd_sparc_elf_dyn_relocs **head;
1418 /* When creating a shared object, we must copy these
1419 relocs into the output file. We create a reloc
1420 section in dynobj and make room for the reloc. */
1426 name = (bfd_elf_string_from_elf_section
1428 elf_elfheader (abfd)->e_shstrndx,
1429 elf_section_data (sec)->rel_hdr.sh_name));
1433 BFD_ASSERT (CONST_STRNEQ (name, ".rela")
1434 && strcmp (bfd_get_section_name (abfd, sec),
1437 if (htab->elf.dynobj == NULL)
1438 htab->elf.dynobj = abfd;
1439 dynobj = htab->elf.dynobj;
1441 sreloc = bfd_get_section_by_name (dynobj, name);
1446 flags = (SEC_HAS_CONTENTS | SEC_READONLY
1447 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1448 if ((sec->flags & SEC_ALLOC) != 0)
1449 flags |= SEC_ALLOC | SEC_LOAD;
1450 sreloc = bfd_make_section_with_flags (dynobj,
1454 || ! bfd_set_section_alignment (dynobj, sreloc,
1455 htab->word_align_power))
1458 elf_section_data (sec)->sreloc = sreloc;
1461 /* If this is a global symbol, we count the number of
1462 relocations we need for this symbol. */
1464 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1467 /* Track dynamic relocs needed for local syms too.
1468 We really need local syms available to do this
1474 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
1479 vpp = &elf_section_data (s)->local_dynrel;
1480 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1484 if (p == NULL || p->sec != sec)
1486 bfd_size_type amt = sizeof *p;
1487 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1488 bfd_alloc (htab->elf.dynobj, amt));
1499 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1505 case R_SPARC_GNU_VTINHERIT:
1506 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1510 case R_SPARC_GNU_VTENTRY:
1511 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1515 case R_SPARC_REGISTER:
1516 /* Nothing to do. */
1528 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1529 struct bfd_link_info *info,
1530 Elf_Internal_Rela *rel,
1531 struct elf_link_hash_entry *h,
1532 Elf_Internal_Sym *sym)
1535 switch (SPARC_ELF_R_TYPE (rel->r_info))
1537 case R_SPARC_GNU_VTINHERIT:
1538 case R_SPARC_GNU_VTENTRY:
1542 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1545 /* Update the got entry reference counts for the section being removed. */
1547 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1548 asection *sec, const Elf_Internal_Rela *relocs)
1550 struct _bfd_sparc_elf_link_hash_table *htab;
1551 Elf_Internal_Shdr *symtab_hdr;
1552 struct elf_link_hash_entry **sym_hashes;
1553 bfd_signed_vma *local_got_refcounts;
1554 const Elf_Internal_Rela *rel, *relend;
1556 elf_section_data (sec)->local_dynrel = NULL;
1558 htab = _bfd_sparc_elf_hash_table (info);
1559 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1560 sym_hashes = elf_sym_hashes (abfd);
1561 local_got_refcounts = elf_local_got_refcounts (abfd);
1563 relend = relocs + sec->reloc_count;
1564 for (rel = relocs; rel < relend; rel++)
1566 unsigned long r_symndx;
1567 unsigned int r_type;
1568 struct elf_link_hash_entry *h = NULL;
1570 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1571 if (r_symndx >= symtab_hdr->sh_info)
1573 struct _bfd_sparc_elf_link_hash_entry *eh;
1574 struct _bfd_sparc_elf_dyn_relocs **pp;
1575 struct _bfd_sparc_elf_dyn_relocs *p;
1577 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1578 while (h->root.type == bfd_link_hash_indirect
1579 || h->root.type == bfd_link_hash_warning)
1580 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1581 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1582 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1585 /* Everything must go for SEC. */
1591 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1592 r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL);
1595 case R_SPARC_TLS_LDM_HI22:
1596 case R_SPARC_TLS_LDM_LO10:
1597 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1598 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1601 case R_SPARC_TLS_GD_HI22:
1602 case R_SPARC_TLS_GD_LO10:
1603 case R_SPARC_TLS_IE_HI22:
1604 case R_SPARC_TLS_IE_LO10:
1610 if (h->got.refcount > 0)
1615 if (local_got_refcounts[r_symndx] > 0)
1616 local_got_refcounts[r_symndx]--;
1622 case R_SPARC_PC_HH22:
1623 case R_SPARC_PC_HM10:
1624 case R_SPARC_PC_LM22:
1626 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1631 case R_SPARC_DISP16:
1632 case R_SPARC_DISP32:
1633 case R_SPARC_DISP64:
1634 case R_SPARC_WDISP30:
1635 case R_SPARC_WDISP22:
1636 case R_SPARC_WDISP19:
1637 case R_SPARC_WDISP16:
1668 case R_SPARC_WPLT30:
1671 if (h->plt.refcount > 0)
1684 /* Adjust a symbol defined by a dynamic object and referenced by a
1685 regular object. The current definition is in some section of the
1686 dynamic object, but we're not including those sections. We have to
1687 change the definition to something the rest of the link can
1691 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1692 struct elf_link_hash_entry *h)
1694 struct _bfd_sparc_elf_link_hash_table *htab;
1695 struct _bfd_sparc_elf_link_hash_entry * eh;
1696 struct _bfd_sparc_elf_dyn_relocs *p;
1698 unsigned int power_of_two;
1700 htab = _bfd_sparc_elf_hash_table (info);
1702 /* Make sure we know what is going on here. */
1703 BFD_ASSERT (htab->elf.dynobj != NULL
1705 || h->u.weakdef != NULL
1708 && !h->def_regular)));
1710 /* If this is a function, put it in the procedure linkage table. We
1711 will fill in the contents of the procedure linkage table later
1712 (although we could actually do it here). The STT_NOTYPE
1713 condition is a hack specifically for the Oracle libraries
1714 delivered for Solaris; for some inexplicable reason, they define
1715 some of their functions as STT_NOTYPE when they really should be
1717 if (h->type == STT_FUNC
1719 || (h->type == STT_NOTYPE
1720 && (h->root.type == bfd_link_hash_defined
1721 || h->root.type == bfd_link_hash_defweak)
1722 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1724 if (h->plt.refcount <= 0
1728 && h->root.type != bfd_link_hash_undefweak
1729 && h->root.type != bfd_link_hash_undefined))
1731 /* This case can occur if we saw a WPLT30 reloc in an input
1732 file, but the symbol was never referred to by a dynamic
1733 object, or if all references were garbage collected. In
1734 such a case, we don't actually need to build a procedure
1735 linkage table, and we can just do a WDISP30 reloc instead. */
1736 h->plt.offset = (bfd_vma) -1;
1743 h->plt.offset = (bfd_vma) -1;
1745 /* If this is a weak symbol, and there is a real definition, the
1746 processor independent code will have arranged for us to see the
1747 real definition first, and we can just use the same value. */
1748 if (h->u.weakdef != NULL)
1750 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
1751 || h->u.weakdef->root.type == bfd_link_hash_defweak);
1752 h->root.u.def.section = h->u.weakdef->root.u.def.section;
1753 h->root.u.def.value = h->u.weakdef->root.u.def.value;
1757 /* This is a reference to a symbol defined by a dynamic object which
1758 is not a function. */
1760 /* If we are creating a shared library, we must presume that the
1761 only references to the symbol are via the global offset table.
1762 For such cases we need not do anything here; the relocations will
1763 be handled correctly by relocate_section. */
1767 /* If there are no references to this symbol that do not use the
1768 GOT, we don't need to generate a copy reloc. */
1769 if (!h->non_got_ref)
1772 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1773 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1775 s = p->sec->output_section;
1776 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1780 /* If we didn't find any dynamic relocs in read-only sections, then
1781 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1790 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
1791 h->root.root.string);
1795 /* We must allocate the symbol in our .dynbss section, which will
1796 become part of the .bss section of the executable. There will be
1797 an entry for this symbol in the .dynsym section. The dynamic
1798 object will contain position independent code, so all references
1799 from the dynamic object to this symbol will go through the global
1800 offset table. The dynamic linker will use the .dynsym entry to
1801 determine the address it must put in the global offset table, so
1802 both the dynamic object and the regular object will refer to the
1803 same memory location for the variable. */
1805 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
1806 to copy the initial value out of the dynamic object and into the
1807 runtime process image. We need to remember the offset into the
1808 .rel.bss section we are going to use. */
1809 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
1811 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
1815 /* We need to figure out the alignment required for this symbol. I
1816 have no idea how ELF linkers handle this. */
1817 power_of_two = bfd_log2 (h->size);
1818 if (power_of_two > htab->align_power_max)
1819 power_of_two = htab->align_power_max;
1821 /* Apply the required alignment. */
1823 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
1824 if (power_of_two > bfd_get_section_alignment (dynobj, s))
1826 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
1830 /* Define the symbol as being at this point in the section. */
1831 h->root.u.def.section = s;
1832 h->root.u.def.value = s->size;
1834 /* Increment the section size to make room for the symbol. */
1840 /* Allocate space in .plt, .got and associated reloc sections for
1844 allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
1846 struct bfd_link_info *info;
1847 struct _bfd_sparc_elf_link_hash_table *htab;
1848 struct _bfd_sparc_elf_link_hash_entry *eh;
1849 struct _bfd_sparc_elf_dyn_relocs *p;
1851 if (h->root.type == bfd_link_hash_indirect)
1854 if (h->root.type == bfd_link_hash_warning)
1855 /* When warning symbols are created, they **replace** the "real"
1856 entry in the hash table, thus we never get to see the real
1857 symbol in a hash traversal. So look at it now. */
1858 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1860 info = (struct bfd_link_info *) inf;
1861 htab = _bfd_sparc_elf_hash_table (info);
1863 if (htab->elf.dynamic_sections_created
1864 && h->plt.refcount > 0)
1866 /* Make sure this symbol is output as a dynamic symbol.
1867 Undefined weak syms won't yet be marked as dynamic. */
1868 if (h->dynindx == -1
1869 && !h->forced_local)
1871 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1875 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
1877 asection *s = htab->splt;
1879 /* Allocate room for the header. */
1882 s->size = htab->plt_header_size;
1884 /* Allocate space for the .rela.plt.unloaded relocations. */
1885 if (htab->is_vxworks && !info->shared)
1886 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
1889 /* The procedure linkage table size is bounded by the magnitude
1890 of the offset we can describe in the entry. */
1891 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
1892 (((bfd_vma)1 << 31) << 1) : 0x400000))
1894 bfd_set_error (bfd_error_bad_value);
1898 if (SPARC_ELF_WORD_BYTES(htab) == 8
1899 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
1901 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
1904 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
1906 h->plt.offset = (s->size - (off * 8));
1909 h->plt.offset = s->size;
1911 /* If this symbol is not defined in a regular file, and we are
1912 not generating a shared library, then set the symbol to this
1913 location in the .plt. This is required to make function
1914 pointers compare as equal between the normal executable and
1915 the shared library. */
1919 h->root.u.def.section = s;
1920 h->root.u.def.value = h->plt.offset;
1923 /* Make room for this entry. */
1924 s->size += htab->plt_entry_size;
1926 /* We also need to make an entry in the .rela.plt section. */
1927 htab->srelplt->size += SPARC_ELF_RELA_BYTES (htab);
1929 if (htab->is_vxworks)
1931 /* Allocate space for the .got.plt entry. */
1932 htab->sgotplt->size += 4;
1934 /* ...and for the .rela.plt.unloaded relocations. */
1936 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
1941 h->plt.offset = (bfd_vma) -1;
1947 h->plt.offset = (bfd_vma) -1;
1951 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
1952 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
1953 if (h->got.refcount > 0
1956 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
1957 h->got.offset = (bfd_vma) -1;
1958 else if (h->got.refcount > 0)
1962 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1964 /* Make sure this symbol is output as a dynamic symbol.
1965 Undefined weak syms won't yet be marked as dynamic. */
1966 if (h->dynindx == -1
1967 && !h->forced_local)
1969 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1974 h->got.offset = s->size;
1975 s->size += SPARC_ELF_WORD_BYTES (htab);
1976 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
1977 if (tls_type == GOT_TLS_GD)
1978 s->size += SPARC_ELF_WORD_BYTES (htab);
1979 dyn = htab->elf.dynamic_sections_created;
1980 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
1981 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
1983 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1984 || tls_type == GOT_TLS_IE)
1985 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1986 else if (tls_type == GOT_TLS_GD)
1987 htab->srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
1988 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
1989 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1992 h->got.offset = (bfd_vma) -1;
1994 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1995 if (eh->dyn_relocs == NULL)
1998 /* In the shared -Bsymbolic case, discard space allocated for
1999 dynamic pc-relative relocs against symbols which turn out to be
2000 defined in regular objects. For the normal shared case, discard
2001 space for pc-relative relocs that have become local due to symbol
2002 visibility changes. */
2010 struct _bfd_sparc_elf_dyn_relocs **pp;
2012 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2014 p->count -= p->pc_count;
2023 /* Also discard relocs on undefined weak syms with non-default
2025 if (eh->dyn_relocs != NULL
2026 && h->root.type == bfd_link_hash_undefweak)
2028 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2029 eh->dyn_relocs = NULL;
2031 /* Make sure undefined weak symbols are output as a dynamic
2033 else if (h->dynindx == -1
2034 && !h->forced_local)
2036 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2043 /* For the non-shared case, discard space for relocs against
2044 symbols which turn out to need copy relocs or are not
2050 || (htab->elf.dynamic_sections_created
2051 && (h->root.type == bfd_link_hash_undefweak
2052 || h->root.type == bfd_link_hash_undefined))))
2054 /* Make sure this symbol is output as a dynamic symbol.
2055 Undefined weak syms won't yet be marked as dynamic. */
2056 if (h->dynindx == -1
2057 && !h->forced_local)
2059 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2063 /* If that succeeded, we know we'll be keeping all the
2065 if (h->dynindx != -1)
2069 eh->dyn_relocs = NULL;
2074 /* Finally, allocate space. */
2075 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2077 asection *sreloc = elf_section_data (p->sec)->sreloc;
2078 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2084 /* Find any dynamic relocs that apply to read-only sections. */
2087 readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
2089 struct _bfd_sparc_elf_link_hash_entry *eh;
2090 struct _bfd_sparc_elf_dyn_relocs *p;
2092 if (h->root.type == bfd_link_hash_warning)
2093 h = (struct elf_link_hash_entry *) h->root.u.i.link;
2095 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2096 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2098 asection *s = p->sec->output_section;
2100 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2102 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2104 info->flags |= DF_TEXTREL;
2106 /* Not an error, just cut short the traversal. */
2113 /* Return true if the dynamic symbol for a given section should be
2114 omitted when creating a shared library. */
2117 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2118 struct bfd_link_info *info,
2121 /* We keep the .got section symbol so that explicit relocations
2122 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2123 can be turned into relocations against the .got symbol. */
2124 if (strcmp (p->name, ".got") == 0)
2127 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2130 /* Set the sizes of the dynamic sections. */
2133 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2134 struct bfd_link_info *info)
2136 struct _bfd_sparc_elf_link_hash_table *htab;
2141 htab = _bfd_sparc_elf_hash_table (info);
2142 dynobj = htab->elf.dynobj;
2143 BFD_ASSERT (dynobj != NULL);
2145 if (elf_hash_table (info)->dynamic_sections_created)
2147 /* Set the contents of the .interp section to the interpreter. */
2148 if (info->executable)
2150 s = bfd_get_section_by_name (dynobj, ".interp");
2151 BFD_ASSERT (s != NULL);
2152 s->size = htab->dynamic_interpreter_size;
2153 s->contents = (unsigned char *) htab->dynamic_interpreter;
2157 /* Set up .got offsets for local syms, and space for local dynamic
2159 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2161 bfd_signed_vma *local_got;
2162 bfd_signed_vma *end_local_got;
2163 char *local_tls_type;
2164 bfd_size_type locsymcount;
2165 Elf_Internal_Shdr *symtab_hdr;
2168 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
2171 for (s = ibfd->sections; s != NULL; s = s->next)
2173 struct _bfd_sparc_elf_dyn_relocs *p;
2175 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2177 if (!bfd_is_abs_section (p->sec)
2178 && bfd_is_abs_section (p->sec->output_section))
2180 /* Input section has been discarded, either because
2181 it is a copy of a linkonce section or due to
2182 linker script /DISCARD/, so we'll be discarding
2185 else if (p->count != 0)
2187 srel = elf_section_data (p->sec)->sreloc;
2188 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2189 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2190 info->flags |= DF_TEXTREL;
2195 local_got = elf_local_got_refcounts (ibfd);
2199 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2200 locsymcount = symtab_hdr->sh_info;
2201 end_local_got = local_got + locsymcount;
2202 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2204 srel = htab->srelgot;
2205 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2209 *local_got = s->size;
2210 s->size += SPARC_ELF_WORD_BYTES (htab);
2211 if (*local_tls_type == GOT_TLS_GD)
2212 s->size += SPARC_ELF_WORD_BYTES (htab);
2214 || *local_tls_type == GOT_TLS_GD
2215 || *local_tls_type == GOT_TLS_IE)
2216 srel->size += SPARC_ELF_RELA_BYTES (htab);
2219 *local_got = (bfd_vma) -1;
2223 if (htab->tls_ldm_got.refcount > 0)
2225 /* Allocate 2 got entries and 1 dynamic reloc for
2226 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2227 htab->tls_ldm_got.offset = htab->sgot->size;
2228 htab->sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2229 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2232 htab->tls_ldm_got.offset = -1;
2234 /* Allocate global sym .plt and .got entries, and space for global
2235 sym dynamic relocs. */
2236 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
2238 if (! ABI_64_P (output_bfd)
2239 && !htab->is_vxworks
2240 && elf_hash_table (info)->dynamic_sections_created)
2242 /* Make space for the trailing nop in .plt. */
2243 if (htab->splt->size > 0)
2244 htab->splt->size += 1 * SPARC_INSN_BYTES;
2246 /* If the .got section is more than 0x1000 bytes, we add
2247 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2248 bit relocations have a greater chance of working.
2250 FIXME: Make this optimization work for 64-bit too. */
2251 if (htab->sgot->size >= 0x1000
2252 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2253 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2256 /* The check_relocs and adjust_dynamic_symbol entry points have
2257 determined the sizes of the various dynamic sections. Allocate
2259 for (s = dynobj->sections; s != NULL; s = s->next)
2261 if ((s->flags & SEC_LINKER_CREATED) == 0)
2266 || s == htab->sdynbss
2267 || s == htab->sgotplt)
2269 /* Strip this section if we don't need it; see the
2272 else if (CONST_STRNEQ (s->name, ".rela"))
2276 /* We use the reloc_count field as a counter if we need
2277 to copy relocs into the output file. */
2283 /* It's not one of our sections. */
2289 /* If we don't need this section, strip it from the
2290 output file. This is mostly to handle .rela.bss and
2291 .rela.plt. We must create both sections in
2292 create_dynamic_sections, because they must be created
2293 before the linker maps input sections to output
2294 sections. The linker does that before
2295 adjust_dynamic_symbol is called, and it is that
2296 function which decides whether anything needs to go
2297 into these sections. */
2298 s->flags |= SEC_EXCLUDE;
2302 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2305 /* Allocate memory for the section contents. Zero the memory
2306 for the benefit of .rela.plt, which has 4 unused entries
2307 at the beginning, and we don't want garbage. */
2308 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2309 if (s->contents == NULL)
2313 if (elf_hash_table (info)->dynamic_sections_created)
2315 /* Add some entries to the .dynamic section. We fill in the
2316 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2317 must add the entries now so that we get the correct size for
2318 the .dynamic section. The DT_DEBUG entry is filled in by the
2319 dynamic linker and used by the debugger. */
2320 #define add_dynamic_entry(TAG, VAL) \
2321 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2323 if (info->executable)
2325 if (!add_dynamic_entry (DT_DEBUG, 0))
2329 if (htab->srelplt->size != 0)
2331 if (!add_dynamic_entry (DT_PLTGOT, 0)
2332 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2333 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2334 || !add_dynamic_entry (DT_JMPREL, 0))
2338 if (!add_dynamic_entry (DT_RELA, 0)
2339 || !add_dynamic_entry (DT_RELASZ, 0)
2340 || !add_dynamic_entry (DT_RELAENT,
2341 SPARC_ELF_RELA_BYTES (htab)))
2344 /* If any dynamic relocs apply to a read-only section,
2345 then we need a DT_TEXTREL entry. */
2346 if ((info->flags & DF_TEXTREL) == 0)
2347 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2350 if (info->flags & DF_TEXTREL)
2352 if (!add_dynamic_entry (DT_TEXTREL, 0))
2356 if (ABI_64_P (output_bfd))
2359 struct _bfd_sparc_elf_app_reg * app_regs;
2360 struct elf_strtab_hash *dynstr;
2361 struct elf_link_hash_table *eht = elf_hash_table (info);
2363 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2364 entries if needed. */
2365 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2366 dynstr = eht->dynstr;
2368 for (reg = 0; reg < 4; reg++)
2369 if (app_regs [reg].name != NULL)
2371 struct elf_link_local_dynamic_entry *entry, *e;
2373 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2376 entry = (struct elf_link_local_dynamic_entry *)
2377 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2381 /* We cheat here a little bit: the symbol will not be local, so we
2382 put it at the end of the dynlocal linked list. We will fix it
2383 later on, as we have to fix other fields anyway. */
2384 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2385 entry->isym.st_size = 0;
2386 if (*app_regs [reg].name != '\0')
2388 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2390 entry->isym.st_name = 0;
2391 entry->isym.st_other = 0;
2392 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2394 entry->isym.st_shndx = app_regs [reg].shndx;
2396 entry->input_bfd = output_bfd;
2397 entry->input_indx = -1;
2399 if (eht->dynlocal == NULL)
2400 eht->dynlocal = entry;
2403 for (e = eht->dynlocal; e->next; e = e->next)
2411 #undef add_dynamic_entry
2417 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2419 if (!sec->used_by_bfd)
2421 struct _bfd_sparc_elf_section_data *sdata;
2422 bfd_size_type amt = sizeof (*sdata);
2424 sdata = bfd_zalloc (abfd, amt);
2427 sec->used_by_bfd = sdata;
2430 return _bfd_elf_new_section_hook (abfd, sec);
2434 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2435 struct bfd_section *section,
2436 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2440 sec_do_relax (section) = 1;
2444 /* Return the base VMA address which should be subtracted from real addresses
2445 when resolving @dtpoff relocation.
2446 This is PT_TLS segment p_vaddr. */
2449 dtpoff_base (struct bfd_link_info *info)
2451 /* If tls_sec is NULL, we should have signalled an error already. */
2452 if (elf_hash_table (info)->tls_sec == NULL)
2454 return elf_hash_table (info)->tls_sec->vma;
2457 /* Return the relocation value for @tpoff relocation
2458 if STT_TLS virtual address is ADDRESS. */
2461 tpoff (struct bfd_link_info *info, bfd_vma address)
2463 struct elf_link_hash_table *htab = elf_hash_table (info);
2465 /* If tls_sec is NULL, we should have signalled an error already. */
2466 if (htab->tls_sec == NULL)
2468 return address - htab->tls_size - htab->tls_sec->vma;
2471 /* Relocate a SPARC ELF section. */
2474 _bfd_sparc_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2475 bfd *input_bfd, asection *input_section,
2476 bfd_byte *contents, Elf_Internal_Rela *relocs,
2477 Elf_Internal_Sym *local_syms, asection **local_sections)
2479 struct _bfd_sparc_elf_link_hash_table *htab;
2480 Elf_Internal_Shdr *symtab_hdr;
2481 struct elf_link_hash_entry **sym_hashes;
2482 bfd_vma *local_got_offsets;
2485 Elf_Internal_Rela *rel;
2486 Elf_Internal_Rela *relend;
2489 if (info->relocatable)
2492 htab = _bfd_sparc_elf_hash_table (info);
2493 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2494 sym_hashes = elf_sym_hashes (input_bfd);
2495 local_got_offsets = elf_local_got_offsets (input_bfd);
2497 if (elf_hash_table (info)->hgot == NULL)
2500 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2502 sreloc = elf_section_data (input_section)->sreloc;
2505 if (ABI_64_P (output_bfd))
2506 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
2508 num_relocs = input_section->reloc_count;
2509 relend = relocs + num_relocs;
2510 for (; rel < relend; rel++)
2512 int r_type, tls_type;
2513 reloc_howto_type *howto;
2514 unsigned long r_symndx;
2515 struct elf_link_hash_entry *h;
2516 Elf_Internal_Sym *sym;
2518 bfd_vma relocation, off;
2519 bfd_reloc_status_type r;
2520 bfd_boolean is_plt = FALSE;
2521 bfd_boolean unresolved_reloc;
2523 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2524 if (r_type == R_SPARC_GNU_VTINHERIT
2525 || r_type == R_SPARC_GNU_VTENTRY)
2528 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2530 bfd_set_error (bfd_error_bad_value);
2533 howto = _bfd_sparc_elf_howto_table + r_type;
2535 /* This is a final link. */
2536 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2540 unresolved_reloc = FALSE;
2541 if (r_symndx < symtab_hdr->sh_info)
2543 sym = local_syms + r_symndx;
2544 sec = local_sections[r_symndx];
2545 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2551 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2552 r_symndx, symtab_hdr, sym_hashes,
2554 unresolved_reloc, warned);
2557 /* To avoid generating warning messages about truncated
2558 relocations, set the relocation's address to be the same as
2559 the start of this section. */
2560 if (input_section->output_section != NULL)
2561 relocation = input_section->output_section->vma;
2572 /* Relocation is to the entry for this symbol in the global
2574 if (htab->sgot == NULL)
2581 off = h->got.offset;
2582 BFD_ASSERT (off != (bfd_vma) -1);
2583 dyn = elf_hash_table (info)->dynamic_sections_created;
2585 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2592 /* This is actually a static link, or it is a
2593 -Bsymbolic link and the symbol is defined
2594 locally, or the symbol was forced to be local
2595 because of a version file. We must initialize
2596 this entry in the global offset table. Since the
2597 offset must always be a multiple of 8 for 64-bit
2598 and 4 for 32-bit, we use the least significant bit
2599 to record whether we have initialized it already.
2601 When doing a dynamic link, we create a .rela.got
2602 relocation entry to initialize the value. This
2603 is done in the finish_dynamic_symbol routine. */
2608 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2609 htab->sgot->contents + off);
2614 unresolved_reloc = FALSE;
2618 BFD_ASSERT (local_got_offsets != NULL
2619 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2621 off = local_got_offsets[r_symndx];
2623 /* The offset must always be a multiple of 8 on 64-bit and
2624 4 on 32-bit. We use the least significant bit to record
2625 whether we have already processed this entry. */
2634 Elf_Internal_Rela outrel;
2636 /* We need to generate a R_SPARC_RELATIVE reloc
2637 for the dynamic linker. */
2639 BFD_ASSERT (s != NULL);
2641 outrel.r_offset = (htab->sgot->output_section->vma
2642 + htab->sgot->output_offset
2644 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2645 0, R_SPARC_RELATIVE);
2646 outrel.r_addend = relocation;
2648 SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &outrel);
2651 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2652 htab->sgot->contents + off);
2653 local_got_offsets[r_symndx] |= 1;
2656 relocation = htab->sgot->output_offset + off - got_base;
2661 if (h == NULL || h->plt.offset == (bfd_vma) -1)
2663 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
2668 case R_SPARC_WPLT30:
2669 case R_SPARC_HIPLT22:
2670 case R_SPARC_LOPLT10:
2671 case R_SPARC_PCPLT32:
2672 case R_SPARC_PCPLT22:
2673 case R_SPARC_PCPLT10:
2675 /* Relocation is to the entry for this symbol in the
2676 procedure linkage table. */
2678 if (! ABI_64_P (output_bfd))
2680 /* The Solaris native assembler will generate a WPLT30 reloc
2681 for a local symbol if you assemble a call from one
2682 section to another when using -K pic. We treat it as
2689 BFD_ASSERT (h != NULL);
2692 if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
2694 /* We didn't make a PLT entry for this symbol. This
2695 happens when statically linking PIC code, or when
2696 using -Bsymbolic. */
2700 relocation = (htab->splt->output_section->vma
2701 + htab->splt->output_offset
2703 unresolved_reloc = FALSE;
2704 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
2706 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
2714 case R_SPARC_PC_HH22:
2715 case R_SPARC_PC_HM10:
2716 case R_SPARC_PC_LM22:
2718 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2722 case R_SPARC_DISP16:
2723 case R_SPARC_DISP32:
2724 case R_SPARC_DISP64:
2725 case R_SPARC_WDISP30:
2726 case R_SPARC_WDISP22:
2727 case R_SPARC_WDISP19:
2728 case R_SPARC_WDISP16:
2755 /* r_symndx will be zero only for relocs against symbols
2756 from removed linkonce sections, or sections discarded by
2759 || (input_section->flags & SEC_ALLOC) == 0)
2764 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2765 || h->root.type != bfd_link_hash_undefweak)
2766 && (! howto->pc_relative
2769 && (! info->symbolic
2770 || !h->def_regular))))
2777 || h->root.type == bfd_link_hash_undefweak
2778 || h->root.type == bfd_link_hash_undefined)))
2780 Elf_Internal_Rela outrel;
2781 bfd_boolean skip, relocate = FALSE;
2783 /* When generating a shared object, these relocations
2784 are copied into the output file to be resolved at run
2787 BFD_ASSERT (sreloc != NULL);
2792 _bfd_elf_section_offset (output_bfd, info, input_section,
2794 if (outrel.r_offset == (bfd_vma) -1)
2796 else if (outrel.r_offset == (bfd_vma) -2)
2797 skip = TRUE, relocate = TRUE;
2798 outrel.r_offset += (input_section->output_section->vma
2799 + input_section->output_offset);
2801 /* Optimize unaligned reloc usage now that we know where
2802 it finally resides. */
2806 if (outrel.r_offset & 1)
2807 r_type = R_SPARC_UA16;
2810 if (!(outrel.r_offset & 1))
2811 r_type = R_SPARC_16;
2814 if (outrel.r_offset & 3)
2815 r_type = R_SPARC_UA32;
2818 if (!(outrel.r_offset & 3))
2819 r_type = R_SPARC_32;
2822 if (outrel.r_offset & 7)
2823 r_type = R_SPARC_UA64;
2826 if (!(outrel.r_offset & 7))
2827 r_type = R_SPARC_64;
2830 case R_SPARC_DISP16:
2831 case R_SPARC_DISP32:
2832 case R_SPARC_DISP64:
2833 /* If the symbol is not dynamic, we should not keep
2834 a dynamic relocation. But an .rela.* slot has been
2835 allocated for it, output R_SPARC_NONE.
2836 FIXME: Add code tracking needed dynamic relocs as
2838 if (h->dynindx == -1)
2839 skip = TRUE, relocate = TRUE;
2844 memset (&outrel, 0, sizeof outrel);
2845 /* h->dynindx may be -1 if the symbol was marked to
2847 else if (h != NULL && ! is_plt
2848 && ((! info->symbolic && h->dynindx != -1)
2849 || !h->def_regular))
2851 BFD_ASSERT (h->dynindx != -1);
2852 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
2853 outrel.r_addend = rel->r_addend;
2857 if (r_type == R_SPARC_32 || r_type == R_SPARC_64)
2859 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2860 0, R_SPARC_RELATIVE);
2861 outrel.r_addend = relocation + rel->r_addend;
2870 if (bfd_is_abs_section (sec))
2872 else if (sec == NULL || sec->owner == NULL)
2874 bfd_set_error (bfd_error_bad_value);
2881 osec = sec->output_section;
2882 indx = elf_section_data (osec)->dynindx;
2884 /* FIXME: we really should be able to link non-pic
2885 shared libraries. */
2889 (*_bfd_error_handler)
2890 (_("%B: probably compiled without -fPIC?"),
2892 bfd_set_error (bfd_error_bad_value);
2897 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx, r_type);
2898 outrel.r_addend = relocation + rel->r_addend;
2902 SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel);
2904 /* This reloc will be computed at runtime, so there's no
2905 need to do anything now. */
2911 case R_SPARC_TLS_GD_HI22:
2912 if (! ABI_64_P (input_bfd)
2913 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
2915 /* R_SPARC_REV32 used the same reloc number as
2916 R_SPARC_TLS_GD_HI22. */
2917 r_type = R_SPARC_REV32;
2922 case R_SPARC_TLS_GD_LO10:
2923 case R_SPARC_TLS_IE_HI22:
2924 case R_SPARC_TLS_IE_LO10:
2925 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
2926 tls_type = GOT_UNKNOWN;
2927 if (h == NULL && local_got_offsets)
2928 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
2931 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2932 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
2933 switch (SPARC_ELF_R_TYPE (rel->r_info))
2935 case R_SPARC_TLS_GD_HI22:
2936 case R_SPARC_TLS_IE_HI22:
2937 r_type = R_SPARC_TLS_LE_HIX22;
2940 r_type = R_SPARC_TLS_LE_LOX10;
2944 if (tls_type == GOT_TLS_IE)
2947 case R_SPARC_TLS_GD_HI22:
2948 r_type = R_SPARC_TLS_IE_HI22;
2950 case R_SPARC_TLS_GD_LO10:
2951 r_type = R_SPARC_TLS_IE_LO10;
2955 if (r_type == R_SPARC_TLS_LE_HIX22)
2957 relocation = tpoff (info, relocation);
2960 if (r_type == R_SPARC_TLS_LE_LOX10)
2962 /* Change add into xor. */
2963 relocation = tpoff (info, relocation);
2964 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
2965 contents + rel->r_offset)
2966 | 0x80182000), contents + rel->r_offset);
2972 off = h->got.offset;
2977 BFD_ASSERT (local_got_offsets != NULL);
2978 off = local_got_offsets[r_symndx];
2979 local_got_offsets[r_symndx] |= 1;
2983 if (htab->sgot == NULL)
2990 Elf_Internal_Rela outrel;
2993 if (htab->srelgot == NULL)
2996 SPARC_ELF_PUT_WORD (htab, output_bfd, 0, htab->sgot->contents + off);
2997 outrel.r_offset = (htab->sgot->output_section->vma
2998 + htab->sgot->output_offset + off);
2999 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3000 if (r_type == R_SPARC_TLS_IE_HI22
3001 || r_type == R_SPARC_TLS_IE_LO10)
3002 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3004 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3005 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3006 outrel.r_addend = relocation - dtpoff_base (info);
3008 outrel.r_addend = 0;
3009 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3010 SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel);
3012 if (r_type == R_SPARC_TLS_GD_HI22
3013 || r_type == R_SPARC_TLS_GD_LO10)
3017 BFD_ASSERT (! unresolved_reloc);
3018 SPARC_ELF_PUT_WORD (htab, output_bfd,
3019 relocation - dtpoff_base (info),
3020 (htab->sgot->contents + off
3021 + SPARC_ELF_WORD_BYTES (htab)));
3025 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3026 (htab->sgot->contents + off
3027 + SPARC_ELF_WORD_BYTES (htab)));
3028 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3029 SPARC_ELF_DTPOFF_RELOC (htab));
3030 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3031 SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel);
3034 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3036 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3037 (htab->sgot->contents + off
3038 + SPARC_ELF_WORD_BYTES (htab)));
3042 if (off >= (bfd_vma) -2)
3045 relocation = htab->sgot->output_offset + off - got_base;
3046 unresolved_reloc = FALSE;
3047 howto = _bfd_sparc_elf_howto_table + r_type;
3050 case R_SPARC_TLS_LDM_HI22:
3051 case R_SPARC_TLS_LDM_LO10:
3054 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3057 off = htab->tls_ldm_got.offset;
3058 htab->tls_ldm_got.offset |= 1;
3059 goto r_sparc_tlsldm;
3061 case R_SPARC_TLS_LDO_HIX22:
3062 case R_SPARC_TLS_LDO_LOX10:
3065 relocation -= dtpoff_base (info);
3069 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3070 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3073 case R_SPARC_TLS_LE_HIX22:
3074 case R_SPARC_TLS_LE_LOX10:
3077 Elf_Internal_Rela outrel;
3078 bfd_boolean skip, relocate = FALSE;
3080 BFD_ASSERT (sreloc != NULL);
3083 _bfd_elf_section_offset (output_bfd, info, input_section,
3085 if (outrel.r_offset == (bfd_vma) -1)
3087 else if (outrel.r_offset == (bfd_vma) -2)
3088 skip = TRUE, relocate = TRUE;
3089 outrel.r_offset += (input_section->output_section->vma
3090 + input_section->output_offset);
3092 memset (&outrel, 0, sizeof outrel);
3095 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3096 outrel.r_addend = relocation - dtpoff_base (info)
3100 SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel);
3103 relocation = tpoff (info, relocation);
3106 case R_SPARC_TLS_LDM_CALL:
3110 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3115 case R_SPARC_TLS_GD_CALL:
3116 tls_type = GOT_UNKNOWN;
3117 if (h == NULL && local_got_offsets)
3118 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3120 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3122 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3126 if (!info->shared && (h == NULL || h->dynindx == -1))
3129 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3134 if (rel + 1 < relend
3135 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3136 && rel[1].r_offset == rel->r_offset + 4
3137 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3138 && (((insn = bfd_get_32 (input_bfd,
3139 contents + rel[1].r_offset))
3140 >> 25) & 0x1f) == 8)
3143 call __tls_get_addr, %tgd_call(foo)
3144 add %reg1, %reg2, %o0, %tgd_add(foo)
3145 and change it into IE:
3146 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3147 add %g7, %o0, %o0, %tie_add(foo).
3148 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3149 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3150 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3151 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3152 contents + rel->r_offset);
3153 bfd_put_32 (output_bfd, 0x9001c008,
3154 contents + rel->r_offset + 4);
3159 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
3163 h = (struct elf_link_hash_entry *)
3164 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3166 BFD_ASSERT (h != NULL);
3167 r_type = R_SPARC_WPLT30;
3168 howto = _bfd_sparc_elf_howto_table + r_type;
3169 goto r_sparc_wplt30;
3171 case R_SPARC_TLS_GD_ADD:
3172 tls_type = GOT_UNKNOWN;
3173 if (h == NULL && local_got_offsets)
3174 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3176 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3177 if (! info->shared || tls_type == GOT_TLS_IE)
3179 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3181 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3183 add %g7, %reg2, %reg3. */
3184 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3185 if ((h != NULL && h->dynindx != -1) || info->shared)
3186 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3188 relocation = (insn & ~0x7c000) | 0x1c000;
3189 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3193 case R_SPARC_TLS_LDM_ADD:
3195 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3198 case R_SPARC_TLS_LDO_ADD:
3201 /* Change rs1 into %g7. */
3202 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3203 insn = (insn & ~0x7c000) | 0x1c000;
3204 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3208 case R_SPARC_TLS_IE_LD:
3209 case R_SPARC_TLS_IE_LDX:
3210 if (! info->shared && (h == NULL || h->dynindx == -1))
3212 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3213 int rs2 = insn & 0x1f;
3214 int rd = (insn >> 25) & 0x1f;
3217 relocation = SPARC_NOP;
3219 relocation = 0x80100000 | (insn & 0x3e00001f);
3220 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3224 case R_SPARC_TLS_IE_ADD:
3225 /* Totally useless relocation. */
3228 case R_SPARC_TLS_DTPOFF32:
3229 case R_SPARC_TLS_DTPOFF64:
3230 relocation -= dtpoff_base (info);
3237 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3238 because such sections are not SEC_ALLOC and thus ld.so will
3239 not process them. */
3240 if (unresolved_reloc
3241 && !((input_section->flags & SEC_DEBUGGING) != 0
3243 (*_bfd_error_handler)
3244 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3247 (long) rel->r_offset,
3249 h->root.root.string);
3251 r = bfd_reloc_continue;
3252 if (r_type == R_SPARC_OLO10)
3256 if (! ABI_64_P (output_bfd))
3259 relocation += rel->r_addend;
3260 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3262 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3263 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3264 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3266 r = bfd_check_overflow (howto->complain_on_overflow,
3267 howto->bitsize, howto->rightshift,
3268 bfd_arch_bits_per_address (input_bfd),
3271 else if (r_type == R_SPARC_WDISP16)
3275 relocation += rel->r_addend;
3276 relocation -= (input_section->output_section->vma
3277 + input_section->output_offset);
3278 relocation -= rel->r_offset;
3280 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3281 x |= ((((relocation >> 2) & 0xc000) << 6)
3282 | ((relocation >> 2) & 0x3fff));
3283 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3285 r = bfd_check_overflow (howto->complain_on_overflow,
3286 howto->bitsize, howto->rightshift,
3287 bfd_arch_bits_per_address (input_bfd),
3290 else if (r_type == R_SPARC_REV32)
3294 relocation = relocation + rel->r_addend;
3296 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3298 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3301 else if (r_type == R_SPARC_TLS_LDO_HIX22
3302 || r_type == R_SPARC_TLS_LE_HIX22)
3306 relocation += rel->r_addend;
3307 if (r_type == R_SPARC_TLS_LE_HIX22)
3308 relocation ^= MINUS_ONE;
3310 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3311 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3312 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3315 else if (r_type == R_SPARC_TLS_LDO_LOX10
3316 || r_type == R_SPARC_TLS_LE_LOX10)
3320 relocation += rel->r_addend;
3321 relocation &= 0x3ff;
3322 if (r_type == R_SPARC_TLS_LE_LOX10)
3323 relocation |= 0x1c00;
3325 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3326 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3327 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3331 else if (r_type == R_SPARC_HIX22)
3335 relocation += rel->r_addend;
3336 relocation = relocation ^ MINUS_ONE;
3338 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3339 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3340 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3342 r = bfd_check_overflow (howto->complain_on_overflow,
3343 howto->bitsize, howto->rightshift,
3344 bfd_arch_bits_per_address (input_bfd),
3347 else if (r_type == R_SPARC_LOX10)
3351 relocation += rel->r_addend;
3352 relocation = (relocation & 0x3ff) | 0x1c00;
3354 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3355 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3356 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3360 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
3361 && sec_do_relax (input_section)
3362 && rel->r_offset + 4 < input_section->size)
3366 #define XCC (2 << 20)
3367 #define COND(x) (((x)&0xf)<<25)
3368 #define CONDA COND(0x8)
3369 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3370 #define INSN_BA (F2(0,2) | CONDA)
3371 #define INSN_OR F3(2, 0x2, 0)
3372 #define INSN_NOP F2(0,4)
3376 /* If the instruction is a call with either:
3378 arithmetic instruction with rd == %o7
3379 where rs1 != %o7 and rs2 if it is register != %o7
3380 then we can optimize if the call destination is near
3381 by changing the call into a branch always. */
3382 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3383 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3384 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
3386 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
3387 || ((y & OP3(0x28)) == 0 /* arithmetic */
3388 && (y & RD(~0)) == RD(O7)))
3389 && (y & RS1(~0)) != RS1(O7)
3391 || (y & RS2(~0)) != RS2(O7)))
3395 reloc = relocation + rel->r_addend - rel->r_offset;
3396 reloc -= (input_section->output_section->vma
3397 + input_section->output_offset);
3399 /* Ensure the branch fits into simm22. */
3400 if ((reloc & 3) == 0
3401 && ((reloc & ~(bfd_vma)0x7fffff) == 0
3402 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
3406 /* Check whether it fits into simm19. */
3407 if (((reloc & 0x3c0000) == 0
3408 || (reloc & 0x3c0000) == 0x3c0000)
3409 && (ABI_64_P (output_bfd)
3410 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
3411 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
3413 x = INSN_BA | (reloc & 0x3fffff); /* ba */
3414 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3416 if (rel->r_offset >= 4
3417 && (y & (0xffffffff ^ RS1(~0)))
3418 == (INSN_OR | RD(O7) | RS2(G0)))
3423 z = bfd_get_32 (input_bfd,
3424 contents + rel->r_offset - 4);
3425 if ((z & (0xffffffff ^ RD(~0)))
3426 != (INSN_OR | RS1(O7) | RS2(G0)))
3434 If call foo was replaced with ba, replace
3435 or %rN, %g0, %o7 with nop. */
3437 reg = (y & RS1(~0)) >> 14;
3438 if (reg != ((z & RD(~0)) >> 25)
3439 || reg == G0 || reg == O7)
3442 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
3443 contents + rel->r_offset + 4);
3451 if (r == bfd_reloc_continue)
3452 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3453 contents, rel->r_offset,
3454 relocation, rel->r_addend);
3456 if (r != bfd_reloc_ok)
3461 case bfd_reloc_outofrange:
3463 case bfd_reloc_overflow:
3467 /* The Solaris native linker silently disregards overflows.
3468 We don't, but this breaks stabs debugging info, whose
3469 relocations are only 32-bits wide. Ignore overflows in
3470 this case and also for discarded entries. */
3471 if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32)
3472 && (((input_section->flags & SEC_DEBUGGING) != 0
3473 && strcmp (bfd_section_name (input_bfd,
3476 || _bfd_elf_section_offset (output_bfd, info,
3484 /* Assume this is a call protected by other code that
3485 detect the symbol is undefined. If this is the case,
3486 we can safely ignore the overflow. If not, the
3487 program is hosed anyway, and a little warning isn't
3489 if (h->root.type == bfd_link_hash_undefweak
3490 && howto->pc_relative)
3497 name = bfd_elf_string_from_elf_section (input_bfd,
3498 symtab_hdr->sh_link,
3503 name = bfd_section_name (input_bfd, sec);
3505 if (! ((*info->callbacks->reloc_overflow)
3506 (info, (h ? &h->root : NULL), name, howto->name,
3507 (bfd_vma) 0, input_bfd, input_section,
3519 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
3520 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
3521 is the offset of the associated .got.plt entry from
3522 _GLOBAL_OFFSET_TABLE_. */
3525 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
3526 bfd_vma plt_offset, bfd_vma plt_index,
3530 const bfd_vma *plt_entry;
3531 struct _bfd_sparc_elf_link_hash_table *htab;
3533 Elf_Internal_Rela rela;
3535 htab = _bfd_sparc_elf_hash_table (info);
3538 plt_entry = sparc_vxworks_shared_plt_entry;
3543 plt_entry = sparc_vxworks_exec_plt_entry;
3544 got_base = (htab->elf.hgot->root.u.def.value
3545 + htab->elf.hgot->root.u.def.section->output_offset
3546 + htab->elf.hgot->root.u.def.section->output_section->vma);
3549 /* Fill in the entry in the procedure linkage table. */
3550 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
3551 htab->splt->contents + plt_offset);
3552 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
3553 htab->splt->contents + plt_offset + 4);
3554 bfd_put_32 (output_bfd, plt_entry[2],
3555 htab->splt->contents + plt_offset + 8);
3556 bfd_put_32 (output_bfd, plt_entry[3],
3557 htab->splt->contents + plt_offset + 12);
3558 bfd_put_32 (output_bfd, plt_entry[4],
3559 htab->splt->contents + plt_offset + 16);
3560 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
3561 htab->splt->contents + plt_offset + 20);
3562 /* PC-relative displacement for a branch to the start of
3564 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
3566 htab->splt->contents + plt_offset + 24);
3567 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
3568 htab->splt->contents + plt_offset + 28);
3570 /* Fill in the .got.plt entry, pointing initially at the
3571 second half of the PLT entry. */
3572 BFD_ASSERT (htab->sgotplt != NULL);
3573 bfd_put_32 (output_bfd,
3574 htab->splt->output_section->vma
3575 + htab->splt->output_offset
3577 htab->sgotplt->contents + got_offset);
3579 /* Add relocations to .rela.plt.unloaded. */
3582 loc = (htab->srelplt2->contents
3583 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
3585 /* Relocate the initial sethi. */
3586 rela.r_offset = (htab->splt->output_section->vma
3587 + htab->splt->output_offset
3589 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
3590 rela.r_addend = got_offset;
3591 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3592 loc += sizeof (Elf32_External_Rela);
3594 /* Likewise the following or. */
3596 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
3597 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3598 loc += sizeof (Elf32_External_Rela);
3600 /* Relocate the .got.plt entry. */
3601 rela.r_offset = (htab->sgotplt->output_section->vma
3602 + htab->sgotplt->output_offset
3604 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
3605 rela.r_addend = plt_offset + 20;
3606 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3610 /* Finish up dynamic symbol handling. We set the contents of various
3611 dynamic sections here. */
3614 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
3615 struct bfd_link_info *info,
3616 struct elf_link_hash_entry *h,
3617 Elf_Internal_Sym *sym)
3620 struct _bfd_sparc_elf_link_hash_table *htab;
3622 htab = _bfd_sparc_elf_hash_table (info);
3623 dynobj = htab->elf.dynobj;
3625 if (h->plt.offset != (bfd_vma) -1)
3629 Elf_Internal_Rela rela;
3631 bfd_vma r_offset, got_offset;
3634 /* This symbol has an entry in the PLT. Set it up. */
3636 BFD_ASSERT (h->dynindx != -1);
3639 srela = htab->srelplt;
3640 BFD_ASSERT (splt != NULL && srela != NULL);
3642 /* Fill in the entry in the .rela.plt section. */
3643 if (htab->is_vxworks)
3645 /* Work out the index of this PLT entry. */
3646 rela_index = ((h->plt.offset - htab->plt_header_size)
3647 / htab->plt_entry_size);
3649 /* Calculate the offset of the associated .got.plt entry.
3650 The first three entries are reserved. */
3651 got_offset = (rela_index + 3) * 4;
3653 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
3654 rela_index, got_offset);
3657 /* On VxWorks, the relocation points to the .got.plt entry,
3658 not the .plt entry. */
3659 rela.r_offset = (htab->sgotplt->output_section->vma
3660 + htab->sgotplt->output_offset
3666 /* Fill in the entry in the procedure linkage table. */
3667 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
3668 h->plt.offset, splt->size,
3671 rela.r_offset = r_offset
3672 + (splt->output_section->vma + splt->output_offset);
3673 if (! ABI_64_P (output_bfd)
3674 || h->plt.offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
3680 rela.r_addend = (-(h->plt.offset + 4)
3681 - splt->output_section->vma
3682 - splt->output_offset);
3685 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_JMP_SLOT);
3687 /* Adjust for the first 4 reserved elements in the .plt section
3688 when setting the offset in the .rela.plt section.
3689 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
3690 thus .plt[4] has corresponding .rela.plt[0] and so on. */
3692 loc = srela->contents;
3694 if (ABI_64_P (output_bfd))
3696 loc += rela_index * sizeof (Elf64_External_Rela);
3697 bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
3702 loc += rela_index * sizeof (Elf32_External_Rela);
3703 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3706 if (!h->def_regular)
3708 /* Mark the symbol as undefined, rather than as defined in
3709 the .plt section. Leave the value alone. */
3710 sym->st_shndx = SHN_UNDEF;
3711 /* If the symbol is weak, we do need to clear the value.
3712 Otherwise, the PLT entry would provide a definition for
3713 the symbol even if the symbol wasn't defined anywhere,
3714 and so the symbol would never be NULL. */
3715 if (!h->ref_regular_nonweak)
3720 if (h->got.offset != (bfd_vma) -1
3721 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3722 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3726 Elf_Internal_Rela rela;
3728 /* This symbol has an entry in the GOT. Set it up. */
3731 srela = htab->srelgot;
3732 BFD_ASSERT (sgot != NULL && srela != NULL);
3734 rela.r_offset = (sgot->output_section->vma
3735 + sgot->output_offset
3736 + (h->got.offset &~ (bfd_vma) 1));
3738 /* If this is a -Bsymbolic link, and the symbol is defined
3739 locally, we just want to emit a RELATIVE reloc. Likewise if
3740 the symbol was forced to be local because of a version file.
3741 The entry in the global offset table will already have been
3742 initialized in the relocate_section function. */
3744 && (info->symbolic || h->dynindx == -1)
3747 asection *sec = h->root.u.def.section;
3748 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
3749 rela.r_addend = (h->root.u.def.value
3750 + sec->output_section->vma
3751 + sec->output_offset);
3755 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
3759 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3760 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3761 SPARC_ELF_APPEND_RELA (htab, output_bfd, srela, &rela);
3767 Elf_Internal_Rela rela;
3769 /* This symbols needs a copy reloc. Set it up. */
3770 BFD_ASSERT (h->dynindx != -1);
3772 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3774 BFD_ASSERT (s != NULL);
3776 rela.r_offset = (h->root.u.def.value
3777 + h->root.u.def.section->output_section->vma
3778 + h->root.u.def.section->output_offset);
3779 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
3781 SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &rela);
3784 /* Mark some specially defined symbols as absolute. On VxWorks,
3785 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
3786 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
3787 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3788 || (!htab->is_vxworks
3789 && (h == htab->elf.hgot || h == htab->elf.hplt)))
3790 sym->st_shndx = SHN_ABS;
3795 /* Finish up the dynamic sections. */
3799 sparc64_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3800 bfd *dynobj, asection *sdyn,
3801 asection *splt ATTRIBUTE_UNUSED)
3803 Elf64_External_Dyn *dyncon, *dynconend;
3804 int stt_regidx = -1;
3806 dyncon = (Elf64_External_Dyn *) sdyn->contents;
3807 dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
3808 for (; dyncon < dynconend; dyncon++)
3810 Elf_Internal_Dyn dyn;
3814 bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
3818 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3819 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3820 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3821 case DT_SPARC_REGISTER:
3822 if (stt_regidx == -1)
3825 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
3826 if (stt_regidx == -1)
3829 dyn.d_un.d_val = stt_regidx++;
3830 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3832 default: name = NULL; size = FALSE; break;
3839 s = bfd_get_section_by_name (output_bfd, name);
3845 dyn.d_un.d_ptr = s->vma;
3847 dyn.d_un.d_val = s->size;
3849 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3857 sparc32_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3858 bfd *dynobj, asection *sdyn,
3859 asection *splt ATTRIBUTE_UNUSED)
3861 Elf32_External_Dyn *dyncon, *dynconend;
3862 struct _bfd_sparc_elf_link_hash_table *htab;
3864 htab = _bfd_sparc_elf_hash_table (info);
3865 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3866 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3867 for (; dyncon < dynconend; dyncon++)
3869 Elf_Internal_Dyn dyn;
3873 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3875 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
3877 /* On VxWorks, DT_RELASZ should not include the relocations
3881 dyn.d_un.d_val -= htab->srelplt->size;
3882 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3885 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
3887 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
3888 not to the start of the PLT. */
3891 dyn.d_un.d_val = (htab->sgotplt->output_section->vma
3892 + htab->sgotplt->output_offset);
3893 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3900 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3901 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3902 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3903 default: name = NULL; size = FALSE; break;
3910 s = bfd_get_section_by_name (output_bfd, name);
3916 dyn.d_un.d_ptr = s->vma;
3918 dyn.d_un.d_val = s->size;
3920 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3927 /* Install the first PLT entry in a VxWorks executable and make sure that
3928 .rela.plt.unloaded relocations have the correct symbol indexes. */
3931 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
3933 struct _bfd_sparc_elf_link_hash_table *htab;
3934 Elf_Internal_Rela rela;
3938 htab = _bfd_sparc_elf_hash_table (info);
3940 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
3941 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
3942 + htab->elf.hgot->root.u.def.section->output_offset
3943 + htab->elf.hgot->root.u.def.value);
3945 /* Install the initial PLT entry. */
3946 bfd_put_32 (output_bfd,
3947 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
3948 htab->splt->contents);
3949 bfd_put_32 (output_bfd,
3950 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
3951 htab->splt->contents + 4);
3952 bfd_put_32 (output_bfd,
3953 sparc_vxworks_exec_plt0_entry[2],
3954 htab->splt->contents + 8);
3955 bfd_put_32 (output_bfd,
3956 sparc_vxworks_exec_plt0_entry[3],
3957 htab->splt->contents + 12);
3958 bfd_put_32 (output_bfd,
3959 sparc_vxworks_exec_plt0_entry[4],
3960 htab->splt->contents + 16);
3962 loc = htab->srelplt2->contents;
3964 /* Add an unloaded relocation for the initial entry's "sethi". */
3965 rela.r_offset = (htab->splt->output_section->vma
3966 + htab->splt->output_offset);
3967 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
3969 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3970 loc += sizeof (Elf32_External_Rela);
3972 /* Likewise the following "or". */
3974 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
3975 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3976 loc += sizeof (Elf32_External_Rela);
3978 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
3979 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
3980 in which symbols were output. */
3981 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
3983 Elf_Internal_Rela rel;
3985 /* The entry's initial "sethi" (against _G_O_T_). */
3986 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
3987 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
3988 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
3989 loc += sizeof (Elf32_External_Rela);
3991 /* The following "or" (also against _G_O_T_). */
3992 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
3993 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
3994 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
3995 loc += sizeof (Elf32_External_Rela);
3997 /* The .got.plt entry (against _P_L_T_). */
3998 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
3999 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4000 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4001 loc += sizeof (Elf32_External_Rela);
4005 /* Install the first PLT entry in a VxWorks shared object. */
4008 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4010 struct _bfd_sparc_elf_link_hash_table *htab;
4013 htab = _bfd_sparc_elf_hash_table (info);
4014 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4015 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4016 htab->splt->contents + i * 4);
4020 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4024 struct _bfd_sparc_elf_link_hash_table *htab;
4026 htab = _bfd_sparc_elf_hash_table (info);
4027 dynobj = htab->elf.dynobj;
4029 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
4031 if (elf_hash_table (info)->dynamic_sections_created)
4036 splt = bfd_get_section_by_name (dynobj, ".plt");
4037 BFD_ASSERT (splt != NULL && sdyn != NULL);
4040 if (ABI_64_P (output_bfd))
4041 ret = sparc64_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
4044 ret = sparc32_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
4049 /* Initialize the contents of the .plt section. */
4052 if (htab->is_vxworks)
4055 sparc_vxworks_finish_shared_plt (output_bfd, info);
4057 sparc_vxworks_finish_exec_plt (output_bfd, info);
4061 memset (splt->contents, 0, htab->plt_header_size);
4062 if (!ABI_64_P (output_bfd))
4063 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4064 splt->contents + splt->size - 4);
4068 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4069 = (htab->is_vxworks || !ABI_64_P (output_bfd))
4070 ? 0 : htab->plt_entry_size;
4073 /* Set the first entry in the global offset table to the address of
4074 the dynamic section. */
4075 if (htab->sgot && htab->sgot->size > 0)
4077 bfd_vma val = (sdyn ?
4078 sdyn->output_section->vma + sdyn->output_offset :
4081 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->sgot->contents);
4085 elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize =
4086 SPARC_ELF_WORD_BYTES (htab);
4092 /* Set the right machine number for a SPARC ELF file. */
4095 _bfd_sparc_elf_object_p (bfd *abfd)
4097 if (ABI_64_P (abfd))
4099 unsigned long mach = bfd_mach_sparc_v9;
4101 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4102 mach = bfd_mach_sparc_v9b;
4103 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4104 mach = bfd_mach_sparc_v9a;
4105 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4109 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4111 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4112 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4113 bfd_mach_sparc_v8plusb);
4114 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4115 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4116 bfd_mach_sparc_v8plusa);
4117 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4118 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4119 bfd_mach_sparc_v8plus);
4123 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4124 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4125 bfd_mach_sparc_sparclite_le);
4127 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4131 /* Return address for Ith PLT stub in section PLT, for relocation REL
4132 or (bfd_vma) -1 if it should not be included. */
4135 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4137 if (ABI_64_P (plt->owner))
4141 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4142 if (i < PLT64_LARGE_THRESHOLD)
4143 return plt->vma + i * PLT64_ENTRY_SIZE;
4145 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4147 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4150 return rel->address;