1 /* SPARC-specific support for ELF
2 Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
3 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
23 /* This file handles functionality common to the different SPARC ABI's. */
29 #include "libiberty.h"
31 #include "elf/sparc.h"
32 #include "opcode/sparc.h"
33 #include "elfxx-sparc.h"
34 #include "elf-vxworks.h"
38 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
39 #define MINUS_ONE (~ (bfd_vma) 0)
41 #define ABI_64_P(abfd) \
42 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
44 /* The relocation "howto" table. */
46 /* Utility for performing the standard initial work of an instruction
48 *PRELOCATION will contain the relocated item.
49 *PINSN will contain the instruction from the input stream.
50 If the result is `bfd_reloc_other' the caller can continue with
51 performing the relocation. Otherwise it must stop and return the
52 value to its caller. */
54 static bfd_reloc_status_type
55 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
56 void * data, asection *input_section, bfd *output_bfd,
57 bfd_vma *prelocation, bfd_vma *pinsn)
60 reloc_howto_type *howto = reloc_entry->howto;
62 if (output_bfd != (bfd *) NULL
63 && (symbol->flags & BSF_SECTION_SYM) == 0
64 && (! howto->partial_inplace
65 || reloc_entry->addend == 0))
67 reloc_entry->address += input_section->output_offset;
71 /* This works because partial_inplace is FALSE. */
72 if (output_bfd != NULL)
73 return bfd_reloc_continue;
75 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
76 return bfd_reloc_outofrange;
78 relocation = (symbol->value
79 + symbol->section->output_section->vma
80 + symbol->section->output_offset);
81 relocation += reloc_entry->addend;
82 if (howto->pc_relative)
84 relocation -= (input_section->output_section->vma
85 + input_section->output_offset);
86 relocation -= reloc_entry->address;
89 *prelocation = relocation;
90 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
91 return bfd_reloc_other;
94 /* For unsupported relocs. */
96 static bfd_reloc_status_type
97 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
98 arelent *reloc_entry ATTRIBUTE_UNUSED,
99 asymbol *symbol ATTRIBUTE_UNUSED,
100 void * data ATTRIBUTE_UNUSED,
101 asection *input_section ATTRIBUTE_UNUSED,
102 bfd *output_bfd ATTRIBUTE_UNUSED,
103 char **error_message ATTRIBUTE_UNUSED)
105 return bfd_reloc_notsupported;
108 /* Handle the WDISP16 reloc. */
110 static bfd_reloc_status_type
111 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
112 void * data, asection *input_section, bfd *output_bfd,
113 char **error_message ATTRIBUTE_UNUSED)
117 bfd_reloc_status_type status;
119 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
120 input_section, output_bfd, &relocation, &insn);
121 if (status != bfd_reloc_other)
124 insn &= ~ (bfd_vma) 0x303fff;
125 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
126 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
128 if ((bfd_signed_vma) relocation < - 0x40000
129 || (bfd_signed_vma) relocation > 0x3ffff)
130 return bfd_reloc_overflow;
135 /* Handle the WDISP10 reloc. */
137 static bfd_reloc_status_type
138 sparc_elf_wdisp10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
139 void * data, asection *input_section, bfd *output_bfd,
140 char **error_message ATTRIBUTE_UNUSED)
144 bfd_reloc_status_type status;
146 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
147 input_section, output_bfd, &relocation, &insn);
148 if (status != bfd_reloc_other)
151 insn &= ~ (bfd_vma) 0x181fe0;
152 insn |= (((relocation >> 2) & 0x300) << 11)
153 | (((relocation >> 2) & 0xff) << 5);
154 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
156 if ((bfd_signed_vma) relocation < - 0x1000
157 || (bfd_signed_vma) relocation > 0xfff)
158 return bfd_reloc_overflow;
163 /* Handle the HIX22 reloc. */
165 static bfd_reloc_status_type
166 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
167 void * data, asection *input_section, bfd *output_bfd,
168 char **error_message ATTRIBUTE_UNUSED)
172 bfd_reloc_status_type status;
174 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
175 input_section, output_bfd, &relocation, &insn);
176 if (status != bfd_reloc_other)
179 relocation ^= MINUS_ONE;
180 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
181 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
183 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
184 return bfd_reloc_overflow;
189 /* Handle the LOX10 reloc. */
191 static bfd_reloc_status_type
192 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
193 void * data, asection *input_section, bfd *output_bfd,
194 char **error_message ATTRIBUTE_UNUSED)
198 bfd_reloc_status_type status;
200 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
201 input_section, output_bfd, &relocation, &insn);
202 if (status != bfd_reloc_other)
205 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
206 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
211 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
213 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
214 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
215 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
216 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
217 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
218 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
219 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
220 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
221 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
222 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
223 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
224 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
225 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
226 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
227 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
228 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
229 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
230 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
231 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
232 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
233 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),
234 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),
235 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
236 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
237 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
238 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
239 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
240 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
241 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
242 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
243 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
244 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
245 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
246 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
247 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
248 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
249 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
250 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),
251 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),
252 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),
253 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
254 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
255 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),
256 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
257 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
258 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
259 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
260 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
261 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
262 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
263 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
264 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
265 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
266 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
267 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
268 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
269 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),
270 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),
271 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),
272 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),
273 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),
274 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),
275 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),
276 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),
277 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),
278 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),
279 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),
280 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),
281 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),
282 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),
283 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),
284 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),
285 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),
286 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),
287 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),
288 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),
289 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),
290 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),
291 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),
292 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),
293 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
294 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
295 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
296 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
297 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
298 HOWTO(R_SPARC_H34,12,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc,"R_SPARC_H34",FALSE,0,0x003fffff,FALSE),
299 HOWTO(R_SPARC_SIZE32,0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE32",FALSE,0,0xffffffff,TRUE),
300 HOWTO(R_SPARC_SIZE64,0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc,"R_SPARC_SIZE64",FALSE,0,MINUS_ONE, TRUE),
301 HOWTO(R_SPARC_WDISP10,2,2,10,TRUE, 0,complain_overflow_signed,sparc_elf_wdisp10_reloc,"R_SPARC_WDISP10",FALSE,0,0x00000000,TRUE),
303 static reloc_howto_type sparc_jmp_irel_howto =
304 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
305 static reloc_howto_type sparc_irelative_howto =
306 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
307 static reloc_howto_type sparc_vtinherit_howto =
308 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
309 static reloc_howto_type sparc_vtentry_howto =
310 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);
311 static reloc_howto_type sparc_rev32_howto =
312 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
315 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
316 bfd_reloc_code_real_type code)
318 /* We explicitly handle each relocation type in the switch
319 instead of using a lookup table for efficiency. */
323 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
326 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
329 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
332 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
334 case BFD_RELOC_8_PCREL:
335 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
337 case BFD_RELOC_16_PCREL:
338 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
340 case BFD_RELOC_32_PCREL:
341 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
343 case BFD_RELOC_32_PCREL_S2:
344 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
346 case BFD_RELOC_SPARC_WDISP22:
347 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
350 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
352 case BFD_RELOC_SPARC22:
353 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
355 case BFD_RELOC_SPARC13:
356 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
359 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
361 case BFD_RELOC_SPARC_GOT10:
362 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
364 case BFD_RELOC_SPARC_GOT13:
365 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
367 case BFD_RELOC_SPARC_GOT22:
368 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
370 case BFD_RELOC_SPARC_PC10:
371 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
373 case BFD_RELOC_SPARC_PC22:
374 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
376 case BFD_RELOC_SPARC_WPLT30:
377 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
379 case BFD_RELOC_SPARC_COPY:
380 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
382 case BFD_RELOC_SPARC_GLOB_DAT:
383 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
385 case BFD_RELOC_SPARC_JMP_SLOT:
386 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
388 case BFD_RELOC_SPARC_RELATIVE:
389 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
391 case BFD_RELOC_SPARC_UA32:
392 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
394 case BFD_RELOC_SPARC_PLT32:
395 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
397 case BFD_RELOC_SPARC_10:
398 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
400 case BFD_RELOC_SPARC_11:
401 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
403 case BFD_RELOC_SPARC_64:
404 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
406 case BFD_RELOC_SPARC_OLO10:
407 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
409 case BFD_RELOC_SPARC_HH22:
410 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
412 case BFD_RELOC_SPARC_HM10:
413 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
415 case BFD_RELOC_SPARC_LM22:
416 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
418 case BFD_RELOC_SPARC_PC_HH22:
419 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
421 case BFD_RELOC_SPARC_PC_HM10:
422 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
424 case BFD_RELOC_SPARC_PC_LM22:
425 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
427 case BFD_RELOC_SPARC_WDISP16:
428 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
430 case BFD_RELOC_SPARC_WDISP19:
431 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
433 case BFD_RELOC_SPARC_7:
434 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
436 case BFD_RELOC_SPARC_5:
437 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
439 case BFD_RELOC_SPARC_6:
440 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
442 case BFD_RELOC_SPARC_DISP64:
443 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
445 case BFD_RELOC_SPARC_PLT64:
446 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
448 case BFD_RELOC_SPARC_HIX22:
449 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
451 case BFD_RELOC_SPARC_LOX10:
452 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
454 case BFD_RELOC_SPARC_H44:
455 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
457 case BFD_RELOC_SPARC_M44:
458 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
460 case BFD_RELOC_SPARC_L44:
461 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
463 case BFD_RELOC_SPARC_REGISTER:
464 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
466 case BFD_RELOC_SPARC_UA64:
467 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
469 case BFD_RELOC_SPARC_UA16:
470 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
472 case BFD_RELOC_SPARC_TLS_GD_HI22:
473 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
475 case BFD_RELOC_SPARC_TLS_GD_LO10:
476 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
478 case BFD_RELOC_SPARC_TLS_GD_ADD:
479 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
481 case BFD_RELOC_SPARC_TLS_GD_CALL:
482 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
484 case BFD_RELOC_SPARC_TLS_LDM_HI22:
485 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
487 case BFD_RELOC_SPARC_TLS_LDM_LO10:
488 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
490 case BFD_RELOC_SPARC_TLS_LDM_ADD:
491 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
493 case BFD_RELOC_SPARC_TLS_LDM_CALL:
494 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
496 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
497 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
499 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
500 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
502 case BFD_RELOC_SPARC_TLS_LDO_ADD:
503 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
505 case BFD_RELOC_SPARC_TLS_IE_HI22:
506 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
508 case BFD_RELOC_SPARC_TLS_IE_LO10:
509 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
511 case BFD_RELOC_SPARC_TLS_IE_LD:
512 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
514 case BFD_RELOC_SPARC_TLS_IE_LDX:
515 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
517 case BFD_RELOC_SPARC_TLS_IE_ADD:
518 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
520 case BFD_RELOC_SPARC_TLS_LE_HIX22:
521 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
523 case BFD_RELOC_SPARC_TLS_LE_LOX10:
524 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
526 case BFD_RELOC_SPARC_TLS_DTPMOD32:
527 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
529 case BFD_RELOC_SPARC_TLS_DTPMOD64:
530 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
532 case BFD_RELOC_SPARC_TLS_DTPOFF32:
533 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
535 case BFD_RELOC_SPARC_TLS_DTPOFF64:
536 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
538 case BFD_RELOC_SPARC_TLS_TPOFF32:
539 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
541 case BFD_RELOC_SPARC_TLS_TPOFF64:
542 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
544 case BFD_RELOC_SPARC_GOTDATA_HIX22:
545 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
547 case BFD_RELOC_SPARC_GOTDATA_LOX10:
548 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
550 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
551 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
553 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
554 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
556 case BFD_RELOC_SPARC_GOTDATA_OP:
557 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
559 case BFD_RELOC_SPARC_H34:
560 return &_bfd_sparc_elf_howto_table[R_SPARC_H34];
562 case BFD_RELOC_SPARC_SIZE32:
563 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE32];
565 case BFD_RELOC_SPARC_SIZE64:
566 return &_bfd_sparc_elf_howto_table[R_SPARC_SIZE64];
568 case BFD_RELOC_SPARC_WDISP10:
569 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP10];
571 case BFD_RELOC_SPARC_JMP_IREL:
572 return &sparc_jmp_irel_howto;
574 case BFD_RELOC_SPARC_IRELATIVE:
575 return &sparc_irelative_howto;
577 case BFD_RELOC_VTABLE_INHERIT:
578 return &sparc_vtinherit_howto;
580 case BFD_RELOC_VTABLE_ENTRY:
581 return &sparc_vtentry_howto;
583 case BFD_RELOC_SPARC_REV32:
584 return &sparc_rev32_howto;
589 bfd_set_error (bfd_error_bad_value);
594 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
600 i < (sizeof (_bfd_sparc_elf_howto_table)
601 / sizeof (_bfd_sparc_elf_howto_table[0]));
603 if (_bfd_sparc_elf_howto_table[i].name != NULL
604 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
605 return &_bfd_sparc_elf_howto_table[i];
607 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
608 return &sparc_vtinherit_howto;
609 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
610 return &sparc_vtentry_howto;
611 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
612 return &sparc_rev32_howto;
618 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
622 case R_SPARC_JMP_IREL:
623 return &sparc_jmp_irel_howto;
625 case R_SPARC_IRELATIVE:
626 return &sparc_irelative_howto;
628 case R_SPARC_GNU_VTINHERIT:
629 return &sparc_vtinherit_howto;
631 case R_SPARC_GNU_VTENTRY:
632 return &sparc_vtentry_howto;
635 return &sparc_rev32_howto;
638 if (r_type >= (unsigned int) R_SPARC_max_std)
640 (*_bfd_error_handler) (_("invalid relocation type %d"),
642 r_type = R_SPARC_NONE;
644 return &_bfd_sparc_elf_howto_table[r_type];
648 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
649 so just take advantage of that. */
650 #define SPARC_ELF_R_TYPE(r_info) \
654 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
655 Elf_Internal_Rela *dst)
657 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
659 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
663 /* The nop opcode we use. */
664 #define SPARC_NOP 0x01000000
666 #define SPARC_INSN_BYTES 4
668 /* The SPARC linker needs to keep track of the number of relocs that it
669 decides to copy as dynamic relocs in check_relocs for each symbol.
670 This is so that it can later discard them if they are found to be
671 unnecessary. We store the information in a field extending the
672 regular ELF linker hash table. */
674 struct _bfd_sparc_elf_dyn_relocs
676 struct _bfd_sparc_elf_dyn_relocs *next;
678 /* The input section of the reloc. */
681 /* Total number of relocs copied for the input section. */
684 /* Number of pc-relative relocs copied for the input section. */
685 bfd_size_type pc_count;
688 /* SPARC ELF linker hash entry. */
690 struct _bfd_sparc_elf_link_hash_entry
692 struct elf_link_hash_entry elf;
694 /* Track dynamic relocs copied for this symbol. */
695 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
697 #define GOT_UNKNOWN 0
701 unsigned char tls_type;
704 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
706 struct _bfd_sparc_elf_obj_tdata
708 struct elf_obj_tdata root;
710 /* tls_type for each local got entry. */
711 char *local_got_tls_type;
713 /* TRUE if TLS GD relocs has been seen for this object. */
714 bfd_boolean has_tlsgd;
717 #define _bfd_sparc_elf_tdata(abfd) \
718 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
720 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
721 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
723 #define is_sparc_elf(bfd) \
724 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
725 && elf_tdata (bfd) != NULL \
726 && elf_object_id (bfd) == SPARC_ELF_DATA)
729 _bfd_sparc_elf_mkobject (bfd *abfd)
731 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
736 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
738 bfd_put_32 (abfd, val, ptr);
742 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
744 bfd_put_64 (abfd, val, ptr);
748 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
750 const struct elf_backend_data *bed;
753 bed = get_elf_backend_data (abfd);
754 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
755 bed->s->swap_reloca_out (abfd, rel, loc);
759 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
760 bfd_vma rel_index ATTRIBUTE_UNUSED,
761 bfd_vma type ATTRIBUTE_UNUSED)
763 return ELF64_R_INFO (rel_index,
765 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
770 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
771 bfd_vma rel_index, bfd_vma type)
773 return ELF32_R_INFO (rel_index, type);
777 sparc_elf_r_symndx_64 (bfd_vma r_info)
779 bfd_vma r_symndx = ELF32_R_SYM (r_info);
780 return (r_symndx >> 24);
784 sparc_elf_r_symndx_32 (bfd_vma r_info)
786 return ELF32_R_SYM (r_info);
791 #define PLT32_ENTRY_SIZE 12
792 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
794 /* The first four entries in a 32-bit procedure linkage table are reserved,
795 and the initial contents are unimportant (we zero them out).
796 Subsequent entries look like this. See the SVR4 ABI SPARC
797 supplement to see how this works. */
799 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
800 #define PLT32_ENTRY_WORD0 0x03000000
801 /* b,a .plt0. We fill in the offset later. */
802 #define PLT32_ENTRY_WORD1 0x30800000
804 #define PLT32_ENTRY_WORD2 SPARC_NOP
807 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
808 bfd_vma max ATTRIBUTE_UNUSED,
811 bfd_put_32 (output_bfd,
812 PLT32_ENTRY_WORD0 + offset,
813 splt->contents + offset);
814 bfd_put_32 (output_bfd,
816 + (((- (offset + 4)) >> 2) & 0x3fffff)),
817 splt->contents + offset + 4);
818 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
819 splt->contents + offset + 8);
823 return offset / PLT32_ENTRY_SIZE - 4;
826 /* Both the headers and the entries are icache aligned. */
827 #define PLT64_ENTRY_SIZE 32
828 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
829 #define PLT64_LARGE_THRESHOLD 32768
832 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
833 bfd_vma max, bfd_vma *r_offset)
835 unsigned char *entry = splt->contents + offset;
836 const unsigned int nop = SPARC_NOP;
839 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
841 unsigned int sethi, ba;
845 plt_index = (offset / PLT64_ENTRY_SIZE);
847 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
849 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
851 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
852 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
853 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
854 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
855 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
856 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
857 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
858 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
864 int block, last_block, ofs, last_ofs, chunks_this_block;
865 const int insn_chunk_size = (6 * 4);
866 const int ptr_chunk_size = (1 * 8);
867 const int entries_per_block = 160;
868 const int block_size = entries_per_block * (insn_chunk_size
871 /* Entries 32768 and higher are grouped into blocks of 160.
872 The blocks are further subdivided into 160 sequences of
873 6 instructions and 160 pointers. If a block does not require
874 the full 160 entries, let's say it requires N, then there
875 will be N sequences of 6 instructions and N pointers. */
877 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
878 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
880 block = offset / block_size;
881 last_block = max / block_size;
882 if (block != last_block)
884 chunks_this_block = 160;
888 last_ofs = max % block_size;
889 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
892 ofs = offset % block_size;
894 plt_index = (PLT64_LARGE_THRESHOLD +
896 (ofs / insn_chunk_size));
899 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
900 + (block * block_size)
901 + (chunks_this_block * insn_chunk_size)
902 + (ofs / insn_chunk_size) * ptr_chunk_size;
904 *r_offset = (bfd_vma) (ptr - splt->contents);
906 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
914 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
915 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
916 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
917 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
918 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
919 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
921 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
924 return plt_index - 4;
927 /* The format of the first PLT entry in a VxWorks executable. */
928 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
930 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
931 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
932 0xc4008000, /* ld [ %g2 ], %g2 */
933 0x81c08000, /* jmp %g2 */
937 /* The format of subsequent PLT entries. */
938 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
940 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
941 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
942 0xc2004000, /* ld [ %g1 ], %g1 */
943 0x81c04000, /* jmp %g1 */
944 0x01000000, /* nop */
945 0x03000000, /* sethi %hi(f@pltindex), %g1 */
946 0x10800000, /* b _PLT_resolve */
947 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
950 /* The format of the first PLT entry in a VxWorks shared object. */
951 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
953 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
954 0x81c08000, /* jmp %g2 */
958 /* The format of subsequent PLT entries. */
959 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
961 0x03000000, /* sethi %hi(f@got), %g1 */
962 0x82106000, /* or %g1, %lo(f@got), %g1 */
963 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
964 0x81c04000, /* jmp %g1 */
965 0x01000000, /* nop */
966 0x03000000, /* sethi %hi(f@pltindex), %g1 */
967 0x10800000, /* b _PLT_resolve */
968 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
971 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
972 htab->put_word(bfd, val, ptr)
974 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
975 htab->r_info(in_rel, index, type)
977 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
978 htab->r_symndx(r_info)
980 #define SPARC_ELF_WORD_BYTES(htab) \
983 #define SPARC_ELF_RELA_BYTES(htab) \
986 #define SPARC_ELF_DTPOFF_RELOC(htab) \
989 #define SPARC_ELF_DTPMOD_RELOC(htab) \
992 #define SPARC_ELF_TPOFF_RELOC(htab) \
995 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
996 htab->build_plt_entry (obfd, splt, off, max, r_off)
998 /* Create an entry in an SPARC ELF linker hash table. */
1000 static struct bfd_hash_entry *
1001 link_hash_newfunc (struct bfd_hash_entry *entry,
1002 struct bfd_hash_table *table, const char *string)
1004 /* Allocate the structure if it has not already been allocated by a
1008 entry = bfd_hash_allocate (table,
1009 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1014 /* Call the allocation method of the superclass. */
1015 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
1018 struct _bfd_sparc_elf_link_hash_entry *eh;
1020 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
1021 eh->dyn_relocs = NULL;
1022 eh->tls_type = GOT_UNKNOWN;
1028 /* The name of the dynamic interpreter. This is put in the .interp
1031 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1032 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1034 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1035 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1036 as global symbol. We reuse indx and dynstr_index for local symbol
1037 hash since they aren't used by global symbols in this backend. */
1040 elf_sparc_local_htab_hash (const void *ptr)
1042 struct elf_link_hash_entry *h
1043 = (struct elf_link_hash_entry *) ptr;
1044 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1047 /* Compare local hash entries. */
1050 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1052 struct elf_link_hash_entry *h1
1053 = (struct elf_link_hash_entry *) ptr1;
1054 struct elf_link_hash_entry *h2
1055 = (struct elf_link_hash_entry *) ptr2;
1057 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1060 /* Find and/or create a hash entry for local symbol. */
1062 static struct elf_link_hash_entry *
1063 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1064 bfd *abfd, const Elf_Internal_Rela *rel,
1067 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1068 asection *sec = abfd->sections;
1069 unsigned long r_symndx;
1073 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1074 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1076 e.elf.indx = sec->id;
1077 e.elf.dynstr_index = r_symndx;
1078 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1079 create ? INSERT : NO_INSERT);
1086 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1090 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1091 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1092 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1095 memset (ret, 0, sizeof (*ret));
1096 ret->elf.indx = sec->id;
1097 ret->elf.dynstr_index = r_symndx;
1098 ret->elf.dynindx = -1;
1099 ret->elf.plt.offset = (bfd_vma) -1;
1100 ret->elf.got.offset = (bfd_vma) -1;
1106 /* Create a SPARC ELF linker hash table. */
1108 struct bfd_link_hash_table *
1109 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1111 struct _bfd_sparc_elf_link_hash_table *ret;
1112 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1114 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1118 if (ABI_64_P (abfd))
1120 ret->put_word = sparc_put_word_64;
1121 ret->r_info = sparc_elf_r_info_64;
1122 ret->r_symndx = sparc_elf_r_symndx_64;
1123 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1124 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1125 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1126 ret->word_align_power = 3;
1127 ret->align_power_max = 4;
1128 ret->bytes_per_word = 8;
1129 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1130 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1131 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1133 ret->build_plt_entry = sparc64_plt_entry_build;
1134 ret->plt_header_size = PLT64_HEADER_SIZE;
1135 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1139 ret->put_word = sparc_put_word_32;
1140 ret->r_info = sparc_elf_r_info_32;
1141 ret->r_symndx = sparc_elf_r_symndx_32;
1142 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1143 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1144 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1145 ret->word_align_power = 2;
1146 ret->align_power_max = 3;
1147 ret->bytes_per_word = 4;
1148 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1149 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1150 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1152 ret->build_plt_entry = sparc32_plt_entry_build;
1153 ret->plt_header_size = PLT32_HEADER_SIZE;
1154 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1157 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1158 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1165 ret->loc_hash_table = htab_try_create (1024,
1166 elf_sparc_local_htab_hash,
1167 elf_sparc_local_htab_eq,
1169 ret->loc_hash_memory = objalloc_create ();
1170 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1176 return &ret->elf.root;
1179 /* Destroy a SPARC ELF linker hash table. */
1182 _bfd_sparc_elf_link_hash_table_free (struct bfd_link_hash_table *hash)
1184 struct _bfd_sparc_elf_link_hash_table *htab
1185 = (struct _bfd_sparc_elf_link_hash_table *) hash;
1187 if (htab->loc_hash_table)
1188 htab_delete (htab->loc_hash_table);
1189 if (htab->loc_hash_memory)
1190 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1191 _bfd_generic_link_hash_table_free (hash);
1194 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1195 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1199 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1200 struct bfd_link_info *info)
1202 struct _bfd_sparc_elf_link_hash_table *htab;
1204 htab = _bfd_sparc_elf_hash_table (info);
1205 BFD_ASSERT (htab != NULL);
1207 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1210 htab->sdynbss = bfd_get_linker_section (dynobj, ".dynbss");
1212 htab->srelbss = bfd_get_linker_section (dynobj, ".rela.bss");
1214 if (htab->is_vxworks)
1216 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1220 htab->plt_header_size
1221 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1222 htab->plt_entry_size
1223 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1227 htab->plt_header_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1229 htab->plt_entry_size
1230 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1234 if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
1235 || (!info->shared && !htab->srelbss))
1242 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1244 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1245 struct elf_link_hash_table *htab = elf_hash_table (info);
1246 flagword flags, pltflags;
1249 if (htab->irelifunc != NULL || htab->iplt != NULL)
1252 flags = bed->dynamic_sec_flags;
1253 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1255 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1257 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1261 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1262 flags | SEC_READONLY);
1264 || ! bfd_set_section_alignment (abfd, s,
1265 bed->s->log_file_align))
1272 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1275 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1276 struct elf_link_hash_entry *dir,
1277 struct elf_link_hash_entry *ind)
1279 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1281 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1282 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1284 if (eind->dyn_relocs != NULL)
1286 if (edir->dyn_relocs != NULL)
1288 struct _bfd_sparc_elf_dyn_relocs **pp;
1289 struct _bfd_sparc_elf_dyn_relocs *p;
1291 /* Add reloc counts against the indirect sym to the direct sym
1292 list. Merge any entries against the same section. */
1293 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1295 struct _bfd_sparc_elf_dyn_relocs *q;
1297 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1298 if (q->sec == p->sec)
1300 q->pc_count += p->pc_count;
1301 q->count += p->count;
1308 *pp = edir->dyn_relocs;
1311 edir->dyn_relocs = eind->dyn_relocs;
1312 eind->dyn_relocs = NULL;
1315 if (ind->root.type == bfd_link_hash_indirect
1316 && dir->got.refcount <= 0)
1318 edir->tls_type = eind->tls_type;
1319 eind->tls_type = GOT_UNKNOWN;
1321 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1325 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1326 int r_type, int is_local)
1328 if (! ABI_64_P (abfd)
1329 && r_type == R_SPARC_TLS_GD_HI22
1330 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1331 r_type = R_SPARC_REV32;
1338 case R_SPARC_TLS_GD_HI22:
1340 return R_SPARC_TLS_LE_HIX22;
1341 return R_SPARC_TLS_IE_HI22;
1342 case R_SPARC_TLS_GD_LO10:
1344 return R_SPARC_TLS_LE_LOX10;
1345 return R_SPARC_TLS_IE_LO10;
1346 case R_SPARC_TLS_IE_HI22:
1348 return R_SPARC_TLS_LE_HIX22;
1350 case R_SPARC_TLS_IE_LO10:
1352 return R_SPARC_TLS_LE_LOX10;
1354 case R_SPARC_TLS_LDM_HI22:
1355 return R_SPARC_TLS_LE_HIX22;
1356 case R_SPARC_TLS_LDM_LO10:
1357 return R_SPARC_TLS_LE_LOX10;
1363 /* Look through the relocs for a section during the first phase, and
1364 allocate space in the global offset table or procedure linkage
1368 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1369 asection *sec, const Elf_Internal_Rela *relocs)
1371 struct _bfd_sparc_elf_link_hash_table *htab;
1372 Elf_Internal_Shdr *symtab_hdr;
1373 struct elf_link_hash_entry **sym_hashes;
1374 const Elf_Internal_Rela *rel;
1375 const Elf_Internal_Rela *rel_end;
1378 bfd_boolean checked_tlsgd = FALSE;
1380 if (info->relocatable)
1383 htab = _bfd_sparc_elf_hash_table (info);
1384 BFD_ASSERT (htab != NULL);
1385 symtab_hdr = &elf_symtab_hdr (abfd);
1386 sym_hashes = elf_sym_hashes (abfd);
1390 if (ABI_64_P (abfd))
1391 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1393 num_relocs = sec->reloc_count;
1395 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1397 if (htab->elf.dynobj == NULL)
1398 htab->elf.dynobj = abfd;
1399 if (!create_ifunc_sections (htab->elf.dynobj, info))
1402 rel_end = relocs + num_relocs;
1403 for (rel = relocs; rel < rel_end; rel++)
1405 unsigned int r_type;
1406 unsigned long r_symndx;
1407 struct elf_link_hash_entry *h;
1408 Elf_Internal_Sym *isym;
1410 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1411 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1413 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1415 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
1421 if (r_symndx < symtab_hdr->sh_info)
1423 /* A local symbol. */
1424 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1429 /* Check relocation against local STT_GNU_IFUNC symbol. */
1430 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1432 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1437 /* Fake a STT_GNU_IFUNC symbol. */
1438 h->type = STT_GNU_IFUNC;
1441 h->forced_local = 1;
1442 h->root.type = bfd_link_hash_defined;
1449 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1450 while (h->root.type == bfd_link_hash_indirect
1451 || h->root.type == bfd_link_hash_warning)
1452 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1454 /* PR15323, ref flags aren't set for references in the same
1456 h->root.non_ir_ref = 1;
1459 if (h && h->type == STT_GNU_IFUNC)
1464 h->plt.refcount += 1;
1468 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1469 with R_SPARC_TLS_GD_HI22. */
1470 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1473 case R_SPARC_TLS_GD_HI22:
1475 const Elf_Internal_Rela *relt;
1477 for (relt = rel + 1; relt < rel_end; relt++)
1478 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1479 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1480 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1482 checked_tlsgd = TRUE;
1483 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1486 case R_SPARC_TLS_GD_LO10:
1487 case R_SPARC_TLS_GD_ADD:
1488 case R_SPARC_TLS_GD_CALL:
1489 checked_tlsgd = TRUE;
1490 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1494 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1497 case R_SPARC_TLS_LDM_HI22:
1498 case R_SPARC_TLS_LDM_LO10:
1499 htab->tls_ldm_got.refcount += 1;
1502 case R_SPARC_TLS_LE_HIX22:
1503 case R_SPARC_TLS_LE_LOX10:
1508 case R_SPARC_TLS_IE_HI22:
1509 case R_SPARC_TLS_IE_LO10:
1511 info->flags |= DF_STATIC_TLS;
1517 case R_SPARC_GOTDATA_HIX22:
1518 case R_SPARC_GOTDATA_LOX10:
1519 case R_SPARC_GOTDATA_OP_HIX22:
1520 case R_SPARC_GOTDATA_OP_LOX10:
1521 case R_SPARC_TLS_GD_HI22:
1522 case R_SPARC_TLS_GD_LO10:
1523 /* This symbol requires a global offset table entry. */
1525 int tls_type, old_tls_type;
1533 case R_SPARC_GOTDATA_OP_HIX22:
1534 case R_SPARC_GOTDATA_OP_LOX10:
1535 tls_type = GOT_NORMAL;
1537 case R_SPARC_TLS_GD_HI22:
1538 case R_SPARC_TLS_GD_LO10:
1539 tls_type = GOT_TLS_GD;
1541 case R_SPARC_TLS_IE_HI22:
1542 case R_SPARC_TLS_IE_LO10:
1543 tls_type = GOT_TLS_IE;
1549 h->got.refcount += 1;
1550 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1554 bfd_signed_vma *local_got_refcounts;
1556 /* This is a global offset table entry for a local symbol. */
1557 local_got_refcounts = elf_local_got_refcounts (abfd);
1558 if (local_got_refcounts == NULL)
1562 size = symtab_hdr->sh_info;
1563 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1564 local_got_refcounts = ((bfd_signed_vma *)
1565 bfd_zalloc (abfd, size));
1566 if (local_got_refcounts == NULL)
1568 elf_local_got_refcounts (abfd) = local_got_refcounts;
1569 _bfd_sparc_elf_local_got_tls_type (abfd)
1570 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1574 case R_SPARC_GOTDATA_OP_HIX22:
1575 case R_SPARC_GOTDATA_OP_LOX10:
1579 local_got_refcounts[r_symndx] += 1;
1582 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1585 /* If a TLS symbol is accessed using IE at least once,
1586 there is no point to use dynamic model for it. */
1587 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1588 && (old_tls_type != GOT_TLS_GD
1589 || tls_type != GOT_TLS_IE))
1591 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1592 tls_type = old_tls_type;
1595 (*_bfd_error_handler)
1596 (_("%B: `%s' accessed both as normal and thread local symbol"),
1597 abfd, h ? h->root.root.string : "<local>");
1602 if (old_tls_type != tls_type)
1605 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1607 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1611 if (htab->elf.sgot == NULL)
1613 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1618 case R_SPARC_TLS_GD_CALL:
1619 case R_SPARC_TLS_LDM_CALL:
1622 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1624 struct bfd_link_hash_entry *bh = NULL;
1625 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1626 "__tls_get_addr", 0,
1627 bfd_und_section_ptr, 0,
1631 h = (struct elf_link_hash_entry *) bh;
1638 case R_SPARC_WPLT30:
1639 case R_SPARC_HIPLT22:
1640 case R_SPARC_LOPLT10:
1641 case R_SPARC_PCPLT32:
1642 case R_SPARC_PCPLT22:
1643 case R_SPARC_PCPLT10:
1645 /* This symbol requires a procedure linkage table entry. We
1646 actually build the entry in adjust_dynamic_symbol,
1647 because this might be a case of linking PIC code without
1648 linking in any dynamic objects, in which case we don't
1649 need to generate a procedure linkage table after all. */
1653 if (! ABI_64_P (abfd))
1655 /* The Solaris native assembler will generate a WPLT30
1656 reloc for a local symbol if you assemble a call from
1657 one section to another when using -K pic. We treat
1659 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1663 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1664 else if (r_type == R_SPARC_WPLT30)
1667 /* It does not make sense to have a procedure linkage
1668 table entry for a local symbol. */
1669 bfd_set_error (bfd_error_bad_value);
1678 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1679 if (this_r_type == R_SPARC_PLT32
1680 || this_r_type == R_SPARC_PLT64)
1683 h->plt.refcount += 1;
1688 case R_SPARC_PC_HH22:
1689 case R_SPARC_PC_HM10:
1690 case R_SPARC_PC_LM22:
1695 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1700 case R_SPARC_DISP16:
1701 case R_SPARC_DISP32:
1702 case R_SPARC_DISP64:
1703 case R_SPARC_WDISP30:
1704 case R_SPARC_WDISP22:
1705 case R_SPARC_WDISP19:
1706 case R_SPARC_WDISP16:
1707 case R_SPARC_WDISP10:
1738 if (h != NULL && !info->shared)
1740 /* We may need a .plt entry if the function this reloc
1741 refers to is in a shared lib. */
1742 h->plt.refcount += 1;
1745 /* If we are creating a shared library, and this is a reloc
1746 against a global symbol, or a non PC relative reloc
1747 against a local symbol, then we need to copy the reloc
1748 into the shared library. However, if we are linking with
1749 -Bsymbolic, we do not need to copy a reloc against a
1750 global symbol which is defined in an object we are
1751 including in the link (i.e., DEF_REGULAR is set). At
1752 this point we have not seen all the input files, so it is
1753 possible that DEF_REGULAR is not set now but will be set
1754 later (it is never cleared). In case of a weak definition,
1755 DEF_REGULAR may be cleared later by a strong definition in
1756 a shared library. We account for that possibility below by
1757 storing information in the relocs_copied field of the hash
1758 table entry. A similar situation occurs when creating
1759 shared libraries and symbol visibility changes render the
1762 If on the other hand, we are creating an executable, we
1763 may need to keep relocations for symbols satisfied by a
1764 dynamic library if we manage to avoid copy relocs for the
1767 && (sec->flags & SEC_ALLOC) != 0
1768 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1770 && (! SYMBOLIC_BIND (info, h)
1771 || h->root.type == bfd_link_hash_defweak
1772 || !h->def_regular))))
1774 && (sec->flags & SEC_ALLOC) != 0
1776 && (h->root.type == bfd_link_hash_defweak
1777 || !h->def_regular))
1780 && h->type == STT_GNU_IFUNC))
1782 struct _bfd_sparc_elf_dyn_relocs *p;
1783 struct _bfd_sparc_elf_dyn_relocs **head;
1785 /* When creating a shared object, we must copy these
1786 relocs into the output file. We create a reloc
1787 section in dynobj and make room for the reloc. */
1790 sreloc = _bfd_elf_make_dynamic_reloc_section
1791 (sec, htab->elf.dynobj, htab->word_align_power,
1792 abfd, /*rela?*/ TRUE);
1798 /* If this is a global symbol, we count the number of
1799 relocations we need for this symbol. */
1801 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1804 /* Track dynamic relocs needed for local syms too.
1805 We really need local syms available to do this
1810 BFD_ASSERT (isym != NULL);
1811 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1815 vpp = &elf_section_data (s)->local_dynrel;
1816 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1820 if (p == NULL || p->sec != sec)
1822 bfd_size_type amt = sizeof *p;
1823 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1824 bfd_alloc (htab->elf.dynobj, amt));
1835 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1841 case R_SPARC_GNU_VTINHERIT:
1842 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1846 case R_SPARC_GNU_VTENTRY:
1847 BFD_ASSERT (h != NULL);
1849 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1853 case R_SPARC_REGISTER:
1854 /* Nothing to do. */
1866 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1867 struct bfd_link_info *info,
1868 Elf_Internal_Rela *rel,
1869 struct elf_link_hash_entry *h,
1870 Elf_Internal_Sym *sym)
1873 switch (SPARC_ELF_R_TYPE (rel->r_info))
1875 case R_SPARC_GNU_VTINHERIT:
1876 case R_SPARC_GNU_VTENTRY:
1880 /* FIXME: The test here, in check_relocs and in relocate_section
1881 dealing with TLS optimization, ought to be !info->executable. */
1884 switch (SPARC_ELF_R_TYPE (rel->r_info))
1886 case R_SPARC_TLS_GD_CALL:
1887 case R_SPARC_TLS_LDM_CALL:
1888 /* This reloc implicitly references __tls_get_addr. We know
1889 another reloc will reference the same symbol as the one
1890 on this reloc, so the real symbol and section will be
1891 gc marked when processing the other reloc. That lets
1892 us handle __tls_get_addr here. */
1893 h = elf_link_hash_lookup (elf_hash_table (info), "__tls_get_addr",
1894 FALSE, FALSE, TRUE);
1895 BFD_ASSERT (h != NULL);
1897 if (h->u.weakdef != NULL)
1898 h->u.weakdef->mark = 1;
1903 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1906 static Elf_Internal_Rela *
1907 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1908 Elf_Internal_Rela *relend,
1911 while (rel < relend)
1913 if (rel->r_offset == offset)
1920 /* Update the got entry reference counts for the section being removed. */
1922 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1923 asection *sec, const Elf_Internal_Rela *relocs)
1925 struct _bfd_sparc_elf_link_hash_table *htab;
1926 Elf_Internal_Shdr *symtab_hdr;
1927 struct elf_link_hash_entry **sym_hashes;
1928 bfd_signed_vma *local_got_refcounts;
1929 const Elf_Internal_Rela *rel, *relend;
1931 if (info->relocatable)
1934 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1936 elf_section_data (sec)->local_dynrel = NULL;
1938 htab = _bfd_sparc_elf_hash_table (info);
1939 BFD_ASSERT (htab != NULL);
1940 symtab_hdr = &elf_symtab_hdr (abfd);
1941 sym_hashes = elf_sym_hashes (abfd);
1942 local_got_refcounts = elf_local_got_refcounts (abfd);
1944 relend = relocs + sec->reloc_count;
1945 for (rel = relocs; rel < relend; rel++)
1947 unsigned long r_symndx;
1948 unsigned int r_type;
1949 struct elf_link_hash_entry *h = NULL;
1951 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1952 if (r_symndx >= symtab_hdr->sh_info)
1954 struct _bfd_sparc_elf_link_hash_entry *eh;
1955 struct _bfd_sparc_elf_dyn_relocs **pp;
1956 struct _bfd_sparc_elf_dyn_relocs *p;
1958 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1959 while (h->root.type == bfd_link_hash_indirect
1960 || h->root.type == bfd_link_hash_warning)
1961 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1962 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1963 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1966 /* Everything must go for SEC. */
1972 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1973 r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL);
1976 case R_SPARC_TLS_LDM_HI22:
1977 case R_SPARC_TLS_LDM_LO10:
1978 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1979 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1982 case R_SPARC_TLS_GD_HI22:
1983 case R_SPARC_TLS_GD_LO10:
1984 case R_SPARC_TLS_IE_HI22:
1985 case R_SPARC_TLS_IE_LO10:
1989 case R_SPARC_GOTDATA_HIX22:
1990 case R_SPARC_GOTDATA_LOX10:
1991 case R_SPARC_GOTDATA_OP_HIX22:
1992 case R_SPARC_GOTDATA_OP_LOX10:
1995 if (h->got.refcount > 0)
2002 case R_SPARC_GOTDATA_OP_HIX22:
2003 case R_SPARC_GOTDATA_OP_LOX10:
2007 if (local_got_refcounts[r_symndx] > 0)
2008 local_got_refcounts[r_symndx]--;
2016 case R_SPARC_PC_HH22:
2017 case R_SPARC_PC_HM10:
2018 case R_SPARC_PC_LM22:
2020 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2025 case R_SPARC_DISP16:
2026 case R_SPARC_DISP32:
2027 case R_SPARC_DISP64:
2028 case R_SPARC_WDISP30:
2029 case R_SPARC_WDISP22:
2030 case R_SPARC_WDISP19:
2031 case R_SPARC_WDISP16:
2032 case R_SPARC_WDISP10:
2064 case R_SPARC_WPLT30:
2067 if (h->plt.refcount > 0)
2080 /* Adjust a symbol defined by a dynamic object and referenced by a
2081 regular object. The current definition is in some section of the
2082 dynamic object, but we're not including those sections. We have to
2083 change the definition to something the rest of the link can
2087 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2088 struct elf_link_hash_entry *h)
2090 struct _bfd_sparc_elf_link_hash_table *htab;
2091 struct _bfd_sparc_elf_link_hash_entry * eh;
2092 struct _bfd_sparc_elf_dyn_relocs *p;
2095 htab = _bfd_sparc_elf_hash_table (info);
2096 BFD_ASSERT (htab != NULL);
2098 /* Make sure we know what is going on here. */
2099 BFD_ASSERT (htab->elf.dynobj != NULL
2101 || h->type == STT_GNU_IFUNC
2102 || h->u.weakdef != NULL
2105 && !h->def_regular)));
2107 /* If this is a function, put it in the procedure linkage table. We
2108 will fill in the contents of the procedure linkage table later
2109 (although we could actually do it here). The STT_NOTYPE
2110 condition is a hack specifically for the Oracle libraries
2111 delivered for Solaris; for some inexplicable reason, they define
2112 some of their functions as STT_NOTYPE when they really should be
2114 if (h->type == STT_FUNC
2115 || h->type == STT_GNU_IFUNC
2117 || (h->type == STT_NOTYPE
2118 && (h->root.type == bfd_link_hash_defined
2119 || h->root.type == bfd_link_hash_defweak)
2120 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2122 if (h->plt.refcount <= 0
2123 || (h->type != STT_GNU_IFUNC
2124 && (SYMBOL_CALLS_LOCAL (info, h)
2125 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2126 && h->root.type == bfd_link_hash_undefweak))))
2128 /* This case can occur if we saw a WPLT30 reloc in an input
2129 file, but the symbol was never referred to by a dynamic
2130 object, or if all references were garbage collected. In
2131 such a case, we don't actually need to build a procedure
2132 linkage table, and we can just do a WDISP30 reloc instead. */
2133 h->plt.offset = (bfd_vma) -1;
2140 h->plt.offset = (bfd_vma) -1;
2142 /* If this is a weak symbol, and there is a real definition, the
2143 processor independent code will have arranged for us to see the
2144 real definition first, and we can just use the same value. */
2145 if (h->u.weakdef != NULL)
2147 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2148 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2149 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2150 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2154 /* This is a reference to a symbol defined by a dynamic object which
2155 is not a function. */
2157 /* If we are creating a shared library, we must presume that the
2158 only references to the symbol are via the global offset table.
2159 For such cases we need not do anything here; the relocations will
2160 be handled correctly by relocate_section. */
2164 /* If there are no references to this symbol that do not use the
2165 GOT, we don't need to generate a copy reloc. */
2166 if (!h->non_got_ref)
2169 /* If -z nocopyreloc was given, we won't generate them either. */
2170 if (info->nocopyreloc)
2176 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2177 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2179 s = p->sec->output_section;
2180 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2184 /* If we didn't find any dynamic relocs in read-only sections, then
2185 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2192 /* We must allocate the symbol in our .dynbss section, which will
2193 become part of the .bss section of the executable. There will be
2194 an entry for this symbol in the .dynsym section. The dynamic
2195 object will contain position independent code, so all references
2196 from the dynamic object to this symbol will go through the global
2197 offset table. The dynamic linker will use the .dynsym entry to
2198 determine the address it must put in the global offset table, so
2199 both the dynamic object and the regular object will refer to the
2200 same memory location for the variable. */
2202 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2203 to copy the initial value out of the dynamic object and into the
2204 runtime process image. We need to remember the offset into the
2205 .rel.bss section we are going to use. */
2206 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2208 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
2214 return _bfd_elf_adjust_dynamic_copy (h, s);
2217 /* Allocate space in .plt, .got and associated reloc sections for
2221 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2223 struct bfd_link_info *info;
2224 struct _bfd_sparc_elf_link_hash_table *htab;
2225 struct _bfd_sparc_elf_link_hash_entry *eh;
2226 struct _bfd_sparc_elf_dyn_relocs *p;
2228 if (h->root.type == bfd_link_hash_indirect)
2231 info = (struct bfd_link_info *) inf;
2232 htab = _bfd_sparc_elf_hash_table (info);
2233 BFD_ASSERT (htab != NULL);
2235 if ((htab->elf.dynamic_sections_created
2236 && h->plt.refcount > 0)
2237 || (h->type == STT_GNU_IFUNC
2241 /* Make sure this symbol is output as a dynamic symbol.
2242 Undefined weak syms won't yet be marked as dynamic. */
2243 if (h->dynindx == -1
2244 && !h->forced_local)
2246 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2250 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h)
2251 || (h->type == STT_GNU_IFUNC
2254 asection *s = htab->elf.splt;
2259 /* Allocate room for the header. */
2262 s->size = htab->plt_header_size;
2264 /* Allocate space for the .rela.plt.unloaded relocations. */
2265 if (htab->is_vxworks && !info->shared)
2266 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2269 /* The procedure linkage table size is bounded by the magnitude
2270 of the offset we can describe in the entry. */
2271 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2272 (((bfd_vma)1 << 31) << 1) : 0x400000))
2274 bfd_set_error (bfd_error_bad_value);
2278 if (SPARC_ELF_WORD_BYTES(htab) == 8
2279 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2281 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2284 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2286 h->plt.offset = (s->size - (off * 8));
2289 h->plt.offset = s->size;
2291 /* If this symbol is not defined in a regular file, and we are
2292 not generating a shared library, then set the symbol to this
2293 location in the .plt. This is required to make function
2294 pointers compare as equal between the normal executable and
2295 the shared library. */
2299 h->root.u.def.section = s;
2300 h->root.u.def.value = h->plt.offset;
2303 /* Make room for this entry. */
2304 s->size += htab->plt_entry_size;
2306 /* We also need to make an entry in the .rela.plt section. */
2307 if (s == htab->elf.splt)
2308 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2310 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2312 if (htab->is_vxworks)
2314 /* Allocate space for the .got.plt entry. */
2315 htab->elf.sgotplt->size += 4;
2317 /* ...and for the .rela.plt.unloaded relocations. */
2319 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2324 h->plt.offset = (bfd_vma) -1;
2330 h->plt.offset = (bfd_vma) -1;
2334 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2335 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2336 if (h->got.refcount > 0
2339 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2340 h->got.offset = (bfd_vma) -1;
2341 else if (h->got.refcount > 0)
2345 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2347 /* Make sure this symbol is output as a dynamic symbol.
2348 Undefined weak syms won't yet be marked as dynamic. */
2349 if (h->dynindx == -1
2350 && !h->forced_local)
2352 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2357 h->got.offset = s->size;
2358 s->size += SPARC_ELF_WORD_BYTES (htab);
2359 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2360 if (tls_type == GOT_TLS_GD)
2361 s->size += SPARC_ELF_WORD_BYTES (htab);
2362 dyn = htab->elf.dynamic_sections_created;
2363 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2364 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2366 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2367 || tls_type == GOT_TLS_IE
2368 || h->type == STT_GNU_IFUNC)
2369 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2370 else if (tls_type == GOT_TLS_GD)
2371 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2372 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
2373 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2376 h->got.offset = (bfd_vma) -1;
2378 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2379 if (eh->dyn_relocs == NULL)
2382 /* In the shared -Bsymbolic case, discard space allocated for
2383 dynamic pc-relative relocs against symbols which turn out to be
2384 defined in regular objects. For the normal shared case, discard
2385 space for pc-relative relocs that have become local due to symbol
2386 visibility changes. */
2390 if (SYMBOL_CALLS_LOCAL (info, h))
2392 struct _bfd_sparc_elf_dyn_relocs **pp;
2394 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2396 p->count -= p->pc_count;
2405 if (htab->is_vxworks)
2407 struct _bfd_sparc_elf_dyn_relocs **pp;
2409 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2411 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2418 /* Also discard relocs on undefined weak syms with non-default
2420 if (eh->dyn_relocs != NULL
2421 && h->root.type == bfd_link_hash_undefweak)
2423 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2424 eh->dyn_relocs = NULL;
2426 /* Make sure undefined weak symbols are output as a dynamic
2428 else if (h->dynindx == -1
2429 && !h->forced_local)
2431 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2438 /* For the non-shared case, discard space for relocs against
2439 symbols which turn out to need copy relocs or are not
2445 || (htab->elf.dynamic_sections_created
2446 && (h->root.type == bfd_link_hash_undefweak
2447 || h->root.type == bfd_link_hash_undefined))))
2449 /* Make sure this symbol is output as a dynamic symbol.
2450 Undefined weak syms won't yet be marked as dynamic. */
2451 if (h->dynindx == -1
2452 && !h->forced_local)
2454 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2458 /* If that succeeded, we know we'll be keeping all the
2460 if (h->dynindx != -1)
2464 eh->dyn_relocs = NULL;
2469 /* Finally, allocate space. */
2470 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2472 asection *sreloc = elf_section_data (p->sec)->sreloc;
2473 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2479 /* Allocate space in .plt, .got and associated reloc sections for
2480 local dynamic relocs. */
2483 allocate_local_dynrelocs (void **slot, void *inf)
2485 struct elf_link_hash_entry *h
2486 = (struct elf_link_hash_entry *) *slot;
2488 if (h->type != STT_GNU_IFUNC
2492 || h->root.type != bfd_link_hash_defined)
2495 return allocate_dynrelocs (h, inf);
2498 /* Find any dynamic relocs that apply to read-only sections. */
2501 readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2503 struct _bfd_sparc_elf_link_hash_entry *eh;
2504 struct _bfd_sparc_elf_dyn_relocs *p;
2506 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2507 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2509 asection *s = p->sec->output_section;
2511 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2513 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2515 info->flags |= DF_TEXTREL;
2517 /* Not an error, just cut short the traversal. */
2524 /* Return true if the dynamic symbol for a given section should be
2525 omitted when creating a shared library. */
2528 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2529 struct bfd_link_info *info,
2532 /* We keep the .got section symbol so that explicit relocations
2533 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2534 can be turned into relocations against the .got symbol. */
2535 if (strcmp (p->name, ".got") == 0)
2538 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2541 /* Set the sizes of the dynamic sections. */
2544 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2545 struct bfd_link_info *info)
2547 struct _bfd_sparc_elf_link_hash_table *htab;
2552 htab = _bfd_sparc_elf_hash_table (info);
2553 BFD_ASSERT (htab != NULL);
2554 dynobj = htab->elf.dynobj;
2555 BFD_ASSERT (dynobj != NULL);
2557 if (elf_hash_table (info)->dynamic_sections_created)
2559 /* Set the contents of the .interp section to the interpreter. */
2560 if (info->executable)
2562 s = bfd_get_linker_section (dynobj, ".interp");
2563 BFD_ASSERT (s != NULL);
2564 s->size = htab->dynamic_interpreter_size;
2565 s->contents = (unsigned char *) htab->dynamic_interpreter;
2569 /* Set up .got offsets for local syms, and space for local dynamic
2571 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2573 bfd_signed_vma *local_got;
2574 bfd_signed_vma *end_local_got;
2575 char *local_tls_type;
2576 bfd_size_type locsymcount;
2577 Elf_Internal_Shdr *symtab_hdr;
2580 if (! is_sparc_elf (ibfd))
2583 for (s = ibfd->sections; s != NULL; s = s->next)
2585 struct _bfd_sparc_elf_dyn_relocs *p;
2587 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2589 if (!bfd_is_abs_section (p->sec)
2590 && bfd_is_abs_section (p->sec->output_section))
2592 /* Input section has been discarded, either because
2593 it is a copy of a linkonce section or due to
2594 linker script /DISCARD/, so we'll be discarding
2597 else if (htab->is_vxworks
2598 && strcmp (p->sec->output_section->name,
2601 /* Relocations in vxworks .tls_vars sections are
2602 handled specially by the loader. */
2604 else if (p->count != 0)
2606 srel = elf_section_data (p->sec)->sreloc;
2607 if (!htab->elf.dynamic_sections_created)
2608 srel = htab->elf.irelplt;
2609 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2610 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2611 info->flags |= DF_TEXTREL;
2616 local_got = elf_local_got_refcounts (ibfd);
2620 symtab_hdr = &elf_symtab_hdr (ibfd);
2621 locsymcount = symtab_hdr->sh_info;
2622 end_local_got = local_got + locsymcount;
2623 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2625 srel = htab->elf.srelgot;
2626 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2630 *local_got = s->size;
2631 s->size += SPARC_ELF_WORD_BYTES (htab);
2632 if (*local_tls_type == GOT_TLS_GD)
2633 s->size += SPARC_ELF_WORD_BYTES (htab);
2635 || *local_tls_type == GOT_TLS_GD
2636 || *local_tls_type == GOT_TLS_IE)
2637 srel->size += SPARC_ELF_RELA_BYTES (htab);
2640 *local_got = (bfd_vma) -1;
2644 if (htab->tls_ldm_got.refcount > 0)
2646 /* Allocate 2 got entries and 1 dynamic reloc for
2647 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2648 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2649 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2650 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2653 htab->tls_ldm_got.offset = -1;
2655 /* Allocate global sym .plt and .got entries, and space for global
2656 sym dynamic relocs. */
2657 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2659 /* Allocate .plt and .got entries, and space for local symbols. */
2660 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2662 if (! ABI_64_P (output_bfd)
2663 && !htab->is_vxworks
2664 && elf_hash_table (info)->dynamic_sections_created)
2666 /* Make space for the trailing nop in .plt. */
2667 if (htab->elf.splt->size > 0)
2668 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2670 /* If the .got section is more than 0x1000 bytes, we add
2671 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2672 bit relocations have a greater chance of working.
2674 FIXME: Make this optimization work for 64-bit too. */
2675 if (htab->elf.sgot->size >= 0x1000
2676 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2677 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2680 /* The check_relocs and adjust_dynamic_symbol entry points have
2681 determined the sizes of the various dynamic sections. Allocate
2683 for (s = dynobj->sections; s != NULL; s = s->next)
2685 if ((s->flags & SEC_LINKER_CREATED) == 0)
2688 if (s == htab->elf.splt
2689 || s == htab->elf.sgot
2690 || s == htab->sdynbss
2691 || s == htab->elf.iplt
2692 || s == htab->elf.sgotplt)
2694 /* Strip this section if we don't need it; see the
2697 else if (CONST_STRNEQ (s->name, ".rela"))
2701 /* We use the reloc_count field as a counter if we need
2702 to copy relocs into the output file. */
2708 /* It's not one of our sections. */
2714 /* If we don't need this section, strip it from the
2715 output file. This is mostly to handle .rela.bss and
2716 .rela.plt. We must create both sections in
2717 create_dynamic_sections, because they must be created
2718 before the linker maps input sections to output
2719 sections. The linker does that before
2720 adjust_dynamic_symbol is called, and it is that
2721 function which decides whether anything needs to go
2722 into these sections. */
2723 s->flags |= SEC_EXCLUDE;
2727 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2730 /* Allocate memory for the section contents. Zero the memory
2731 for the benefit of .rela.plt, which has 4 unused entries
2732 at the beginning, and we don't want garbage. */
2733 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2734 if (s->contents == NULL)
2738 if (elf_hash_table (info)->dynamic_sections_created)
2740 /* Add some entries to the .dynamic section. We fill in the
2741 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2742 must add the entries now so that we get the correct size for
2743 the .dynamic section. The DT_DEBUG entry is filled in by the
2744 dynamic linker and used by the debugger. */
2745 #define add_dynamic_entry(TAG, VAL) \
2746 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2748 if (info->executable)
2750 if (!add_dynamic_entry (DT_DEBUG, 0))
2754 if (htab->elf.srelplt->size != 0)
2756 if (!add_dynamic_entry (DT_PLTGOT, 0)
2757 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2758 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2759 || !add_dynamic_entry (DT_JMPREL, 0))
2763 if (!add_dynamic_entry (DT_RELA, 0)
2764 || !add_dynamic_entry (DT_RELASZ, 0)
2765 || !add_dynamic_entry (DT_RELAENT,
2766 SPARC_ELF_RELA_BYTES (htab)))
2769 /* If any dynamic relocs apply to a read-only section,
2770 then we need a DT_TEXTREL entry. */
2771 if ((info->flags & DF_TEXTREL) == 0)
2772 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
2774 if (info->flags & DF_TEXTREL)
2776 if (!add_dynamic_entry (DT_TEXTREL, 0))
2780 if (ABI_64_P (output_bfd))
2783 struct _bfd_sparc_elf_app_reg * app_regs;
2784 struct elf_strtab_hash *dynstr;
2785 struct elf_link_hash_table *eht = elf_hash_table (info);
2787 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2788 entries if needed. */
2789 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2790 dynstr = eht->dynstr;
2792 for (reg = 0; reg < 4; reg++)
2793 if (app_regs [reg].name != NULL)
2795 struct elf_link_local_dynamic_entry *entry, *e;
2797 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2800 entry = (struct elf_link_local_dynamic_entry *)
2801 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2805 /* We cheat here a little bit: the symbol will not be local, so we
2806 put it at the end of the dynlocal linked list. We will fix it
2807 later on, as we have to fix other fields anyway. */
2808 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2809 entry->isym.st_size = 0;
2810 if (*app_regs [reg].name != '\0')
2812 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2814 entry->isym.st_name = 0;
2815 entry->isym.st_other = 0;
2816 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2818 entry->isym.st_shndx = app_regs [reg].shndx;
2819 entry->isym.st_target_internal = 0;
2821 entry->input_bfd = output_bfd;
2822 entry->input_indx = -1;
2824 if (eht->dynlocal == NULL)
2825 eht->dynlocal = entry;
2828 for (e = eht->dynlocal; e->next; e = e->next)
2835 if (htab->is_vxworks
2836 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2839 #undef add_dynamic_entry
2845 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2847 if (!sec->used_by_bfd)
2849 struct _bfd_sparc_elf_section_data *sdata;
2850 bfd_size_type amt = sizeof (*sdata);
2852 sdata = bfd_zalloc (abfd, amt);
2855 sec->used_by_bfd = sdata;
2858 return _bfd_elf_new_section_hook (abfd, sec);
2862 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2863 struct bfd_section *section,
2864 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2867 if (link_info->relocatable)
2868 (*link_info->callbacks->einfo)
2869 (_("%P%F: --relax and -r may not be used together\n"));
2872 sec_do_relax (section) = 1;
2876 /* Return the base VMA address which should be subtracted from real addresses
2877 when resolving @dtpoff relocation.
2878 This is PT_TLS segment p_vaddr. */
2881 dtpoff_base (struct bfd_link_info *info)
2883 /* If tls_sec is NULL, we should have signalled an error already. */
2884 if (elf_hash_table (info)->tls_sec == NULL)
2886 return elf_hash_table (info)->tls_sec->vma;
2889 /* Return the relocation value for @tpoff relocation
2890 if STT_TLS virtual address is ADDRESS. */
2893 tpoff (struct bfd_link_info *info, bfd_vma address)
2895 struct elf_link_hash_table *htab = elf_hash_table (info);
2896 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2897 bfd_vma static_tls_size;
2899 /* If tls_sec is NULL, we should have signalled an error already. */
2900 if (htab->tls_sec == NULL)
2903 /* Consider special static TLS alignment requirements. */
2904 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2905 return address - static_tls_size - htab->tls_sec->vma;
2908 /* Return the relocation value for a %gdop relocation. */
2911 gdopoff (struct bfd_link_info *info, bfd_vma address)
2913 struct elf_link_hash_table *htab = elf_hash_table (info);
2916 got_base = (htab->hgot->root.u.def.value
2917 + htab->hgot->root.u.def.section->output_offset
2918 + htab->hgot->root.u.def.section->output_section->vma);
2920 return address - got_base;
2923 /* Relocate a SPARC ELF section. */
2926 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2927 struct bfd_link_info *info,
2929 asection *input_section,
2931 Elf_Internal_Rela *relocs,
2932 Elf_Internal_Sym *local_syms,
2933 asection **local_sections)
2935 struct _bfd_sparc_elf_link_hash_table *htab;
2936 Elf_Internal_Shdr *symtab_hdr;
2937 struct elf_link_hash_entry **sym_hashes;
2938 bfd_vma *local_got_offsets;
2941 Elf_Internal_Rela *rel;
2942 Elf_Internal_Rela *relend;
2944 bfd_boolean is_vxworks_tls;
2946 htab = _bfd_sparc_elf_hash_table (info);
2947 BFD_ASSERT (htab != NULL);
2948 symtab_hdr = &elf_symtab_hdr (input_bfd);
2949 sym_hashes = elf_sym_hashes (input_bfd);
2950 local_got_offsets = elf_local_got_offsets (input_bfd);
2952 if (elf_hash_table (info)->hgot == NULL)
2955 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2957 sreloc = elf_section_data (input_section)->sreloc;
2958 /* We have to handle relocations in vxworks .tls_vars sections
2959 specially, because the dynamic loader is 'weird'. */
2960 is_vxworks_tls = (htab->is_vxworks && info->shared
2961 && !strcmp (input_section->output_section->name,
2965 if (ABI_64_P (output_bfd))
2966 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2968 num_relocs = input_section->reloc_count;
2969 relend = relocs + num_relocs;
2970 for (; rel < relend; rel++)
2972 int r_type, tls_type;
2973 reloc_howto_type *howto;
2974 unsigned long r_symndx;
2975 struct elf_link_hash_entry *h;
2976 Elf_Internal_Sym *sym;
2978 bfd_vma relocation, off;
2979 bfd_reloc_status_type r;
2980 bfd_boolean is_plt = FALSE;
2981 bfd_boolean unresolved_reloc;
2983 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2984 if (r_type == R_SPARC_GNU_VTINHERIT
2985 || r_type == R_SPARC_GNU_VTENTRY)
2988 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2990 bfd_set_error (bfd_error_bad_value);
2993 howto = _bfd_sparc_elf_howto_table + r_type;
2995 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2999 unresolved_reloc = FALSE;
3000 if (r_symndx < symtab_hdr->sh_info)
3002 sym = local_syms + r_symndx;
3003 sec = local_sections[r_symndx];
3004 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
3006 if (!info->relocatable
3007 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
3009 /* Relocate against local STT_GNU_IFUNC symbol. */
3010 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
3015 /* Set STT_GNU_IFUNC symbol value. */
3016 h->root.u.def.value = sym->st_value;
3017 h->root.u.def.section = sec;
3022 bfd_boolean warned, ignored;
3024 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
3025 r_symndx, symtab_hdr, sym_hashes,
3027 unresolved_reloc, warned, ignored);
3030 /* To avoid generating warning messages about truncated
3031 relocations, set the relocation's address to be the same as
3032 the start of this section. */
3033 if (input_section->output_section != NULL)
3034 relocation = input_section->output_section->vma;
3040 if (sec != NULL && discarded_section (sec))
3041 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3042 rel, 1, relend, howto, 0, contents);
3044 if (info->relocatable)
3048 && h->type == STT_GNU_IFUNC
3054 if ((input_section->flags & SEC_ALLOC) == 0
3055 || h->plt.offset == (bfd_vma) -1)
3058 plt_sec = htab->elf.splt;
3060 plt_sec =htab->elf.iplt;
3064 case R_SPARC_GOTDATA_OP:
3067 case R_SPARC_GOTDATA_OP_HIX22:
3068 case R_SPARC_GOTDATA_OP_LOX10:
3069 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3072 howto = _bfd_sparc_elf_howto_table + r_type;
3078 if (htab->elf.sgot == NULL)
3080 off = h->got.offset;
3081 if (off == (bfd_vma) -1)
3083 relocation = htab->elf.sgot->output_offset + off - got_base;
3086 case R_SPARC_WPLT30:
3087 case R_SPARC_WDISP30:
3088 relocation = (plt_sec->output_section->vma
3089 + plt_sec->output_offset + h->plt.offset);
3094 if (info->shared && h->non_got_ref)
3096 Elf_Internal_Rela outrel;
3099 offset = _bfd_elf_section_offset (output_bfd, info,
3102 if (offset == (bfd_vma) -1
3103 || offset == (bfd_vma) -2)
3106 outrel.r_offset = (input_section->output_section->vma
3107 + input_section->output_offset
3110 if (h->dynindx == -1
3112 || info->executable)
3114 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3115 0, R_SPARC_IRELATIVE);
3116 outrel.r_addend = relocation + rel->r_addend;
3120 if (h->dynindx == -1)
3122 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3123 outrel.r_addend = rel->r_addend;
3126 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3130 relocation = (plt_sec->output_section->vma
3131 + plt_sec->output_offset + h->plt.offset);
3136 /* We should only see such relocs in static links. */
3139 relocation = (plt_sec->output_section->vma
3140 + plt_sec->output_offset + h->plt.offset);
3144 if (h->root.root.string)
3145 name = h->root.root.string;
3147 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3149 (*_bfd_error_handler)
3150 (_("%B: relocation %s against STT_GNU_IFUNC "
3151 "symbol `%s' isn't handled by %s"), input_bfd,
3152 _bfd_sparc_elf_howto_table[r_type].name,
3153 name, __FUNCTION__);
3154 bfd_set_error (bfd_error_bad_value);
3161 case R_SPARC_GOTDATA_OP_HIX22:
3162 case R_SPARC_GOTDATA_OP_LOX10:
3163 if (SYMBOL_REFERENCES_LOCAL (info, h))
3164 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3165 ? R_SPARC_GOTDATA_HIX22
3166 : R_SPARC_GOTDATA_LOX10);
3168 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3171 howto = _bfd_sparc_elf_howto_table + r_type;
3174 case R_SPARC_GOTDATA_OP:
3175 if (SYMBOL_REFERENCES_LOCAL (info, h))
3177 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3179 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3180 relocation = 0x80000000 | (insn & 0x3e07c01f);
3181 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3188 case R_SPARC_GOTDATA_HIX22:
3189 case R_SPARC_GOTDATA_LOX10:
3190 relocation = gdopoff (info, relocation);
3196 /* Relocation is to the entry for this symbol in the global
3198 if (htab->elf.sgot == NULL)
3205 off = h->got.offset;
3206 BFD_ASSERT (off != (bfd_vma) -1);
3207 dyn = elf_hash_table (info)->dynamic_sections_created;
3209 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
3211 && SYMBOL_REFERENCES_LOCAL (info, h)))
3213 /* This is actually a static link, or it is a
3214 -Bsymbolic link and the symbol is defined
3215 locally, or the symbol was forced to be local
3216 because of a version file. We must initialize
3217 this entry in the global offset table. Since the
3218 offset must always be a multiple of 8 for 64-bit
3219 and 4 for 32-bit, we use the least significant bit
3220 to record whether we have initialized it already.
3222 When doing a dynamic link, we create a .rela.got
3223 relocation entry to initialize the value. This
3224 is done in the finish_dynamic_symbol routine. */
3229 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3230 htab->elf.sgot->contents + off);
3235 unresolved_reloc = FALSE;
3239 BFD_ASSERT (local_got_offsets != NULL
3240 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3242 off = local_got_offsets[r_symndx];
3244 /* The offset must always be a multiple of 8 on 64-bit and
3245 4 on 32-bit. We use the least significant bit to record
3246 whether we have already processed this entry. */
3255 Elf_Internal_Rela outrel;
3257 /* We need to generate a R_SPARC_RELATIVE reloc
3258 for the dynamic linker. */
3259 s = htab->elf.srelgot;
3260 BFD_ASSERT (s != NULL);
3262 outrel.r_offset = (htab->elf.sgot->output_section->vma
3263 + htab->elf.sgot->output_offset
3265 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3266 0, R_SPARC_RELATIVE);
3267 outrel.r_addend = relocation;
3269 sparc_elf_append_rela (output_bfd, s, &outrel);
3272 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3273 htab->elf.sgot->contents + off);
3274 local_got_offsets[r_symndx] |= 1;
3277 relocation = htab->elf.sgot->output_offset + off - got_base;
3282 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3284 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3289 case R_SPARC_WPLT30:
3290 case R_SPARC_HIPLT22:
3291 case R_SPARC_LOPLT10:
3292 case R_SPARC_PCPLT32:
3293 case R_SPARC_PCPLT22:
3294 case R_SPARC_PCPLT10:
3296 /* Relocation is to the entry for this symbol in the
3297 procedure linkage table. */
3299 if (! ABI_64_P (output_bfd))
3301 /* The Solaris native assembler will generate a WPLT30 reloc
3302 for a local symbol if you assemble a call from one
3303 section to another when using -K pic. We treat it as
3308 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3309 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3313 BFD_ASSERT (h != NULL);
3316 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3318 /* We didn't make a PLT entry for this symbol. This
3319 happens when statically linking PIC code, or when
3320 using -Bsymbolic. */
3324 relocation = (htab->elf.splt->output_section->vma
3325 + htab->elf.splt->output_offset
3327 unresolved_reloc = FALSE;
3328 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3330 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3338 case R_SPARC_PC_HH22:
3339 case R_SPARC_PC_HM10:
3340 case R_SPARC_PC_LM22:
3342 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3346 case R_SPARC_DISP16:
3347 case R_SPARC_DISP32:
3348 case R_SPARC_DISP64:
3349 case R_SPARC_WDISP30:
3350 case R_SPARC_WDISP22:
3351 case R_SPARC_WDISP19:
3352 case R_SPARC_WDISP16:
3353 case R_SPARC_WDISP10:
3381 if ((input_section->flags & SEC_ALLOC) == 0
3387 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3388 || h->root.type != bfd_link_hash_undefweak)
3389 && (! howto->pc_relative
3390 || !SYMBOL_CALLS_LOCAL (info, h)))
3397 || h->root.type == bfd_link_hash_undefweak
3398 || h->root.type == bfd_link_hash_undefined)))
3400 Elf_Internal_Rela outrel;
3401 bfd_boolean skip, relocate = FALSE;
3403 /* When generating a shared object, these relocations
3404 are copied into the output file to be resolved at run
3407 BFD_ASSERT (sreloc != NULL);
3412 _bfd_elf_section_offset (output_bfd, info, input_section,
3414 if (outrel.r_offset == (bfd_vma) -1)
3416 else if (outrel.r_offset == (bfd_vma) -2)
3417 skip = TRUE, relocate = TRUE;
3418 outrel.r_offset += (input_section->output_section->vma
3419 + input_section->output_offset);
3421 /* Optimize unaligned reloc usage now that we know where
3422 it finally resides. */
3426 if (outrel.r_offset & 1)
3427 r_type = R_SPARC_UA16;
3430 if (!(outrel.r_offset & 1))
3431 r_type = R_SPARC_16;
3434 if (outrel.r_offset & 3)
3435 r_type = R_SPARC_UA32;
3438 if (!(outrel.r_offset & 3))
3439 r_type = R_SPARC_32;
3442 if (outrel.r_offset & 7)
3443 r_type = R_SPARC_UA64;
3446 if (!(outrel.r_offset & 7))
3447 r_type = R_SPARC_64;
3450 case R_SPARC_DISP16:
3451 case R_SPARC_DISP32:
3452 case R_SPARC_DISP64:
3453 /* If the symbol is not dynamic, we should not keep
3454 a dynamic relocation. But an .rela.* slot has been
3455 allocated for it, output R_SPARC_NONE.
3456 FIXME: Add code tracking needed dynamic relocs as
3458 if (h->dynindx == -1)
3459 skip = TRUE, relocate = TRUE;
3464 memset (&outrel, 0, sizeof outrel);
3465 /* h->dynindx may be -1 if the symbol was marked to
3467 else if (h != NULL &&
3471 || !SYMBOLIC_BIND (info, h)
3472 || !h->def_regular))
3474 BFD_ASSERT (h->dynindx != -1);
3475 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3476 outrel.r_addend = rel->r_addend;
3480 if (r_type == R_SPARC_32 || r_type == R_SPARC_64)
3482 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3483 0, R_SPARC_RELATIVE);
3484 outrel.r_addend = relocation + rel->r_addend;
3490 outrel.r_addend = relocation + rel->r_addend;
3493 sec = htab->elf.splt;
3495 if (bfd_is_abs_section (sec))
3497 else if (sec == NULL || sec->owner == NULL)
3499 bfd_set_error (bfd_error_bad_value);
3506 /* We are turning this relocation into one
3507 against a section symbol. It would be
3508 proper to subtract the symbol's value,
3509 osec->vma, from the emitted reloc addend,
3510 but ld.so expects buggy relocs. */
3511 osec = sec->output_section;
3512 indx = elf_section_data (osec)->dynindx;
3516 osec = htab->elf.text_index_section;
3517 indx = elf_section_data (osec)->dynindx;
3520 /* FIXME: we really should be able to link non-pic
3521 shared libraries. */
3525 (*_bfd_error_handler)
3526 (_("%B: probably compiled without -fPIC?"),
3528 bfd_set_error (bfd_error_bad_value);
3533 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3538 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3540 /* This reloc will be computed at runtime, so there's no
3541 need to do anything now. */
3547 case R_SPARC_TLS_GD_HI22:
3548 if (! ABI_64_P (input_bfd)
3549 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3551 /* R_SPARC_REV32 used the same reloc number as
3552 R_SPARC_TLS_GD_HI22. */
3553 r_type = R_SPARC_REV32;
3558 case R_SPARC_TLS_GD_LO10:
3559 case R_SPARC_TLS_IE_HI22:
3560 case R_SPARC_TLS_IE_LO10:
3561 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3562 tls_type = GOT_UNKNOWN;
3563 if (h == NULL && local_got_offsets)
3564 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3567 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3568 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
3569 switch (SPARC_ELF_R_TYPE (rel->r_info))
3571 case R_SPARC_TLS_GD_HI22:
3572 case R_SPARC_TLS_IE_HI22:
3573 r_type = R_SPARC_TLS_LE_HIX22;
3576 r_type = R_SPARC_TLS_LE_LOX10;
3580 if (tls_type == GOT_TLS_IE)
3583 case R_SPARC_TLS_GD_HI22:
3584 r_type = R_SPARC_TLS_IE_HI22;
3586 case R_SPARC_TLS_GD_LO10:
3587 r_type = R_SPARC_TLS_IE_LO10;
3591 if (r_type == R_SPARC_TLS_LE_HIX22)
3593 relocation = tpoff (info, relocation);
3596 if (r_type == R_SPARC_TLS_LE_LOX10)
3598 /* Change add into xor. */
3599 relocation = tpoff (info, relocation);
3600 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3601 contents + rel->r_offset)
3602 | 0x80182000), contents + rel->r_offset);
3608 off = h->got.offset;
3613 BFD_ASSERT (local_got_offsets != NULL);
3614 off = local_got_offsets[r_symndx];
3615 local_got_offsets[r_symndx] |= 1;
3619 if (htab->elf.sgot == NULL)
3626 Elf_Internal_Rela outrel;
3629 if (htab->elf.srelgot == NULL)
3632 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3633 htab->elf.sgot->contents + off);
3634 outrel.r_offset = (htab->elf.sgot->output_section->vma
3635 + htab->elf.sgot->output_offset + off);
3636 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3637 if (r_type == R_SPARC_TLS_IE_HI22
3638 || r_type == R_SPARC_TLS_IE_LO10)
3639 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3641 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3642 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3643 outrel.r_addend = relocation - dtpoff_base (info);
3645 outrel.r_addend = 0;
3646 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3647 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3649 if (r_type == R_SPARC_TLS_GD_HI22
3650 || r_type == R_SPARC_TLS_GD_LO10)
3654 BFD_ASSERT (! unresolved_reloc);
3655 SPARC_ELF_PUT_WORD (htab, output_bfd,
3656 relocation - dtpoff_base (info),
3657 (htab->elf.sgot->contents + off
3658 + SPARC_ELF_WORD_BYTES (htab)));
3662 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3663 (htab->elf.sgot->contents + off
3664 + SPARC_ELF_WORD_BYTES (htab)));
3665 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3666 SPARC_ELF_DTPOFF_RELOC (htab));
3667 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3668 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3672 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3674 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3675 (htab->elf.sgot->contents + off
3676 + SPARC_ELF_WORD_BYTES (htab)));
3680 if (off >= (bfd_vma) -2)
3683 relocation = htab->elf.sgot->output_offset + off - got_base;
3684 unresolved_reloc = FALSE;
3685 howto = _bfd_sparc_elf_howto_table + r_type;
3688 case R_SPARC_TLS_LDM_HI22:
3689 case R_SPARC_TLS_LDM_LO10:
3692 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3695 off = htab->tls_ldm_got.offset;
3696 htab->tls_ldm_got.offset |= 1;
3697 goto r_sparc_tlsldm;
3699 case R_SPARC_TLS_LDO_HIX22:
3700 case R_SPARC_TLS_LDO_LOX10:
3703 relocation -= dtpoff_base (info);
3707 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3708 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3711 case R_SPARC_TLS_LE_HIX22:
3712 case R_SPARC_TLS_LE_LOX10:
3715 Elf_Internal_Rela outrel;
3718 BFD_ASSERT (sreloc != NULL);
3721 _bfd_elf_section_offset (output_bfd, info, input_section,
3723 if (outrel.r_offset == (bfd_vma) -1)
3725 else if (outrel.r_offset == (bfd_vma) -2)
3727 outrel.r_offset += (input_section->output_section->vma
3728 + input_section->output_offset);
3730 memset (&outrel, 0, sizeof outrel);
3733 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3734 outrel.r_addend = relocation - dtpoff_base (info)
3738 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3741 relocation = tpoff (info, relocation);
3744 case R_SPARC_TLS_LDM_CALL:
3748 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3753 case R_SPARC_TLS_GD_CALL:
3754 tls_type = GOT_UNKNOWN;
3755 if (h == NULL && local_got_offsets)
3756 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3758 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3760 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3762 Elf_Internal_Rela *rel2;
3765 if (!info->shared && (h == NULL || h->dynindx == -1))
3768 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3773 if (rel + 1 < relend
3774 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3775 && rel[1].r_offset == rel->r_offset + 4
3776 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3777 && (((insn = bfd_get_32 (input_bfd,
3778 contents + rel[1].r_offset))
3779 >> 25) & 0x1f) == 8)
3782 call __tls_get_addr, %tgd_call(foo)
3783 add %reg1, %reg2, %o0, %tgd_add(foo)
3784 and change it into IE:
3785 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3786 add %g7, %o0, %o0, %tie_add(foo).
3787 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3788 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3789 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3790 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3791 contents + rel->r_offset);
3792 bfd_put_32 (output_bfd, 0x9001c008,
3793 contents + rel->r_offset + 4);
3798 /* We cannot just overwrite the delay slot instruction,
3799 as it might be what puts the %o0 argument to
3800 __tls_get_addr into place. So we have to transpose
3801 the delay slot with the add we patch in. */
3802 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3803 bfd_put_32 (output_bfd, insn,
3804 contents + rel->r_offset);
3805 bfd_put_32 (output_bfd, 0x9001c008,
3806 contents + rel->r_offset + 4);
3809 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3813 /* If the instruction we moved has a relocation attached to
3814 it, adjust the offset so that it will apply to the correct
3816 rel2->r_offset -= 4;
3821 h = (struct elf_link_hash_entry *)
3822 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3824 BFD_ASSERT (h != NULL);
3825 r_type = R_SPARC_WPLT30;
3826 howto = _bfd_sparc_elf_howto_table + r_type;
3827 goto r_sparc_wplt30;
3829 case R_SPARC_TLS_GD_ADD:
3830 tls_type = GOT_UNKNOWN;
3831 if (h == NULL && local_got_offsets)
3832 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3834 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3835 if (! info->shared || tls_type == GOT_TLS_IE)
3837 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3839 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3841 add %g7, %reg2, %reg3. */
3842 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3843 if ((h != NULL && h->dynindx != -1) || info->shared)
3844 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3846 relocation = (insn & ~0x7c000) | 0x1c000;
3847 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3851 case R_SPARC_TLS_LDM_ADD:
3853 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3856 case R_SPARC_TLS_LDO_ADD:
3859 /* Change rs1 into %g7. */
3860 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3861 insn = (insn & ~0x7c000) | 0x1c000;
3862 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3866 case R_SPARC_TLS_IE_LD:
3867 case R_SPARC_TLS_IE_LDX:
3868 if (! info->shared && (h == NULL || h->dynindx == -1))
3870 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3871 int rs2 = insn & 0x1f;
3872 int rd = (insn >> 25) & 0x1f;
3875 relocation = SPARC_NOP;
3877 relocation = 0x80100000 | (insn & 0x3e00001f);
3878 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3882 case R_SPARC_TLS_IE_ADD:
3883 /* Totally useless relocation. */
3886 case R_SPARC_TLS_DTPOFF32:
3887 case R_SPARC_TLS_DTPOFF64:
3888 relocation -= dtpoff_base (info);
3895 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3896 because such sections are not SEC_ALLOC and thus ld.so will
3897 not process them. */
3898 if (unresolved_reloc
3899 && !((input_section->flags & SEC_DEBUGGING) != 0
3901 && _bfd_elf_section_offset (output_bfd, info, input_section,
3902 rel->r_offset) != (bfd_vma) -1)
3903 (*_bfd_error_handler)
3904 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3907 (long) rel->r_offset,
3909 h->root.root.string);
3911 r = bfd_reloc_continue;
3912 if (r_type == R_SPARC_OLO10)
3916 if (! ABI_64_P (output_bfd))
3919 relocation += rel->r_addend;
3920 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3922 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3923 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3924 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3926 r = bfd_check_overflow (howto->complain_on_overflow,
3927 howto->bitsize, howto->rightshift,
3928 bfd_arch_bits_per_address (input_bfd),
3931 else if (r_type == R_SPARC_WDISP16)
3935 relocation += rel->r_addend;
3936 relocation -= (input_section->output_section->vma
3937 + input_section->output_offset);
3938 relocation -= rel->r_offset;
3940 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3941 x |= ((((relocation >> 2) & 0xc000) << 6)
3942 | ((relocation >> 2) & 0x3fff));
3943 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3945 r = bfd_check_overflow (howto->complain_on_overflow,
3946 howto->bitsize, howto->rightshift,
3947 bfd_arch_bits_per_address (input_bfd),
3950 else if (r_type == R_SPARC_WDISP10)
3954 relocation += rel->r_addend;
3955 relocation -= (input_section->output_section->vma
3956 + input_section->output_offset);
3957 relocation -= rel->r_offset;
3959 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3960 x |= ((((relocation >> 2) & 0x300) << 11)
3961 | (((relocation >> 2) & 0xff) << 5));
3962 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3964 r = bfd_check_overflow (howto->complain_on_overflow,
3965 howto->bitsize, howto->rightshift,
3966 bfd_arch_bits_per_address (input_bfd),
3969 else if (r_type == R_SPARC_REV32)
3973 relocation = relocation + rel->r_addend;
3975 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3977 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3980 else if (r_type == R_SPARC_TLS_LDO_HIX22
3981 || r_type == R_SPARC_TLS_LE_HIX22)
3985 relocation += rel->r_addend;
3986 if (r_type == R_SPARC_TLS_LE_HIX22)
3987 relocation ^= MINUS_ONE;
3989 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3990 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3991 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3994 else if (r_type == R_SPARC_TLS_LDO_LOX10
3995 || r_type == R_SPARC_TLS_LE_LOX10)
3999 relocation += rel->r_addend;
4000 relocation &= 0x3ff;
4001 if (r_type == R_SPARC_TLS_LE_LOX10)
4002 relocation |= 0x1c00;
4004 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4005 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4006 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4010 else if (r_type == R_SPARC_HIX22
4011 || r_type == R_SPARC_GOTDATA_HIX22)
4015 relocation += rel->r_addend;
4016 if (r_type == R_SPARC_HIX22
4017 || (bfd_signed_vma) relocation < 0)
4018 relocation = relocation ^ MINUS_ONE;
4020 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4021 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
4022 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4024 r = bfd_check_overflow (howto->complain_on_overflow,
4025 howto->bitsize, howto->rightshift,
4026 bfd_arch_bits_per_address (input_bfd),
4029 else if (r_type == R_SPARC_LOX10
4030 || r_type == R_SPARC_GOTDATA_LOX10)
4034 relocation += rel->r_addend;
4035 if (r_type == R_SPARC_LOX10
4036 || (bfd_signed_vma) relocation < 0)
4037 relocation = (relocation & 0x3ff) | 0x1c00;
4039 relocation = (relocation & 0x3ff);
4041 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4042 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4043 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4047 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4048 && sec_do_relax (input_section)
4049 && rel->r_offset + 4 < input_section->size)
4053 #define XCC (2 << 20)
4054 #define COND(x) (((x)&0xf)<<25)
4055 #define CONDA COND(0x8)
4056 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4057 #define INSN_BA (F2(0,2) | CONDA)
4058 #define INSN_OR F3(2, 0x2, 0)
4059 #define INSN_NOP F2(0,4)
4063 /* If the instruction is a call with either:
4065 arithmetic instruction with rd == %o7
4066 where rs1 != %o7 and rs2 if it is register != %o7
4067 then we can optimize if the call destination is near
4068 by changing the call into a branch always. */
4069 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4070 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4071 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4073 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4074 || ((y & OP3(0x28)) == 0 /* arithmetic */
4075 && (y & RD(~0)) == RD(O7)))
4076 && (y & RS1(~0)) != RS1(O7)
4078 || (y & RS2(~0)) != RS2(O7)))
4082 reloc = relocation + rel->r_addend - rel->r_offset;
4083 reloc -= (input_section->output_section->vma
4084 + input_section->output_offset);
4086 /* Ensure the branch fits into simm22. */
4087 if ((reloc & 3) == 0
4088 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4089 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4093 /* Check whether it fits into simm19. */
4094 if (((reloc & 0x3c0000) == 0
4095 || (reloc & 0x3c0000) == 0x3c0000)
4096 && (ABI_64_P (output_bfd)
4097 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4098 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4100 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4101 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4103 if (rel->r_offset >= 4
4104 && (y & (0xffffffff ^ RS1(~0)))
4105 == (INSN_OR | RD(O7) | RS2(G0)))
4110 z = bfd_get_32 (input_bfd,
4111 contents + rel->r_offset - 4);
4112 if ((z & (0xffffffff ^ RD(~0)))
4113 != (INSN_OR | RS1(O7) | RS2(G0)))
4121 If call foo was replaced with ba, replace
4122 or %rN, %g0, %o7 with nop. */
4124 reg = (y & RS1(~0)) >> 14;
4125 if (reg != ((z & RD(~0)) >> 25)
4126 || reg == G0 || reg == O7)
4129 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4130 contents + rel->r_offset + 4);
4138 if (r == bfd_reloc_continue)
4141 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4142 contents, rel->r_offset,
4143 relocation, rel->r_addend);
4145 if (r != bfd_reloc_ok)
4150 case bfd_reloc_outofrange:
4152 case bfd_reloc_overflow:
4156 /* The Solaris native linker silently disregards overflows.
4157 We don't, but this breaks stabs debugging info, whose
4158 relocations are only 32-bits wide. Ignore overflows in
4159 this case and also for discarded entries. */
4160 if ((r_type == R_SPARC_32
4161 || r_type == R_SPARC_UA32
4162 || r_type == R_SPARC_DISP32)
4163 && (((input_section->flags & SEC_DEBUGGING) != 0
4164 && strcmp (bfd_section_name (input_bfd,
4167 || _bfd_elf_section_offset (output_bfd, info,
4175 /* Assume this is a call protected by other code that
4176 detect the symbol is undefined. If this is the case,
4177 we can safely ignore the overflow. If not, the
4178 program is hosed anyway, and a little warning isn't
4180 if (h->root.type == bfd_link_hash_undefweak
4181 && howto->pc_relative)
4188 name = bfd_elf_string_from_elf_section (input_bfd,
4189 symtab_hdr->sh_link,
4194 name = bfd_section_name (input_bfd, sec);
4196 if (! ((*info->callbacks->reloc_overflow)
4197 (info, (h ? &h->root : NULL), name, howto->name,
4198 (bfd_vma) 0, input_bfd, input_section,
4210 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4211 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4212 is the offset of the associated .got.plt entry from
4213 _GLOBAL_OFFSET_TABLE_. */
4216 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4217 bfd_vma plt_offset, bfd_vma plt_index,
4221 const bfd_vma *plt_entry;
4222 struct _bfd_sparc_elf_link_hash_table *htab;
4224 Elf_Internal_Rela rela;
4226 htab = _bfd_sparc_elf_hash_table (info);
4227 BFD_ASSERT (htab != NULL);
4231 plt_entry = sparc_vxworks_shared_plt_entry;
4236 plt_entry = sparc_vxworks_exec_plt_entry;
4237 got_base = (htab->elf.hgot->root.u.def.value
4238 + htab->elf.hgot->root.u.def.section->output_offset
4239 + htab->elf.hgot->root.u.def.section->output_section->vma);
4242 /* Fill in the entry in the procedure linkage table. */
4243 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4244 htab->elf.splt->contents + plt_offset);
4245 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4246 htab->elf.splt->contents + plt_offset + 4);
4247 bfd_put_32 (output_bfd, plt_entry[2],
4248 htab->elf.splt->contents + plt_offset + 8);
4249 bfd_put_32 (output_bfd, plt_entry[3],
4250 htab->elf.splt->contents + plt_offset + 12);
4251 bfd_put_32 (output_bfd, plt_entry[4],
4252 htab->elf.splt->contents + plt_offset + 16);
4253 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4254 htab->elf.splt->contents + plt_offset + 20);
4255 /* PC-relative displacement for a branch to the start of
4257 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4259 htab->elf.splt->contents + plt_offset + 24);
4260 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4261 htab->elf.splt->contents + plt_offset + 28);
4263 /* Fill in the .got.plt entry, pointing initially at the
4264 second half of the PLT entry. */
4265 BFD_ASSERT (htab->elf.sgotplt != NULL);
4266 bfd_put_32 (output_bfd,
4267 htab->elf.splt->output_section->vma
4268 + htab->elf.splt->output_offset
4270 htab->elf.sgotplt->contents + got_offset);
4272 /* Add relocations to .rela.plt.unloaded. */
4275 loc = (htab->srelplt2->contents
4276 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4278 /* Relocate the initial sethi. */
4279 rela.r_offset = (htab->elf.splt->output_section->vma
4280 + htab->elf.splt->output_offset
4282 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4283 rela.r_addend = got_offset;
4284 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4285 loc += sizeof (Elf32_External_Rela);
4287 /* Likewise the following or. */
4289 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4290 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4291 loc += sizeof (Elf32_External_Rela);
4293 /* Relocate the .got.plt entry. */
4294 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4295 + htab->elf.sgotplt->output_offset
4297 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4298 rela.r_addend = plt_offset + 20;
4299 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4303 /* Finish up dynamic symbol handling. We set the contents of various
4304 dynamic sections here. */
4307 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4308 struct bfd_link_info *info,
4309 struct elf_link_hash_entry *h,
4310 Elf_Internal_Sym *sym)
4312 struct _bfd_sparc_elf_link_hash_table *htab;
4313 const struct elf_backend_data *bed;
4315 htab = _bfd_sparc_elf_hash_table (info);
4316 BFD_ASSERT (htab != NULL);
4317 bed = get_elf_backend_data (output_bfd);
4319 if (h->plt.offset != (bfd_vma) -1)
4323 Elf_Internal_Rela rela;
4325 bfd_vma r_offset, got_offset;
4328 /* When building a static executable, use .iplt and
4329 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4330 if (htab->elf.splt != NULL)
4332 splt = htab->elf.splt;
4333 srela = htab->elf.srelplt;
4337 splt = htab->elf.iplt;
4338 srela = htab->elf.irelplt;
4341 if (splt == NULL || srela == NULL)
4344 /* Fill in the entry in the .rela.plt section. */
4345 if (htab->is_vxworks)
4347 /* Work out the index of this PLT entry. */
4348 rela_index = ((h->plt.offset - htab->plt_header_size)
4349 / htab->plt_entry_size);
4351 /* Calculate the offset of the associated .got.plt entry.
4352 The first three entries are reserved. */
4353 got_offset = (rela_index + 3) * 4;
4355 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4356 rela_index, got_offset);
4359 /* On VxWorks, the relocation points to the .got.plt entry,
4360 not the .plt entry. */
4361 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4362 + htab->elf.sgotplt->output_offset
4365 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4370 bfd_boolean ifunc = FALSE;
4372 /* Fill in the entry in the procedure linkage table. */
4373 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4374 h->plt.offset, splt->size,
4379 || ((info->executable
4380 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4382 && h->type == STT_GNU_IFUNC))
4385 BFD_ASSERT (h == NULL
4386 || (h->type == STT_GNU_IFUNC
4388 && (h->root.type == bfd_link_hash_defined
4389 || h->root.type == bfd_link_hash_defweak)));
4392 rela.r_offset = r_offset
4393 + (splt->output_section->vma + splt->output_offset);
4394 if (ABI_64_P (output_bfd)
4395 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4399 rela.r_addend = (h->root.u.def.section->output_section->vma
4400 + h->root.u.def.section->output_offset
4401 + h->root.u.def.value);
4402 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4407 rela.r_addend = (-(h->plt.offset + 4)
4408 - splt->output_section->vma
4409 - splt->output_offset);
4410 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4418 rela.r_addend = (h->root.u.def.section->output_section->vma
4419 + h->root.u.def.section->output_offset
4420 + h->root.u.def.value);
4421 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4427 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4433 /* Adjust for the first 4 reserved elements in the .plt section
4434 when setting the offset in the .rela.plt section.
4435 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4436 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4438 loc = srela->contents;
4439 loc += rela_index * bed->s->sizeof_rela;
4440 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4442 if (!h->def_regular)
4444 /* Mark the symbol as undefined, rather than as defined in
4445 the .plt section. Leave the value alone. */
4446 sym->st_shndx = SHN_UNDEF;
4447 /* If the symbol is weak, we do need to clear the value.
4448 Otherwise, the PLT entry would provide a definition for
4449 the symbol even if the symbol wasn't defined anywhere,
4450 and so the symbol would never be NULL. */
4451 if (!h->ref_regular_nonweak)
4456 if (h->got.offset != (bfd_vma) -1
4457 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4458 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
4462 Elf_Internal_Rela rela;
4464 /* This symbol has an entry in the GOT. Set it up. */
4466 sgot = htab->elf.sgot;
4467 srela = htab->elf.srelgot;
4468 BFD_ASSERT (sgot != NULL && srela != NULL);
4470 rela.r_offset = (sgot->output_section->vma
4471 + sgot->output_offset
4472 + (h->got.offset &~ (bfd_vma) 1));
4474 /* If this is a -Bsymbolic link, and the symbol is defined
4475 locally, we just want to emit a RELATIVE reloc. Likewise if
4476 the symbol was forced to be local because of a version file.
4477 The entry in the global offset table will already have been
4478 initialized in the relocate_section function. */
4480 && h->type == STT_GNU_IFUNC
4485 /* We load the GOT entry with the PLT entry. */
4486 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4487 SPARC_ELF_PUT_WORD (htab, output_bfd,
4488 (plt->output_section->vma
4489 + plt->output_offset + h->plt.offset),
4490 htab->elf.sgot->contents
4491 + (h->got.offset & ~(bfd_vma) 1));
4494 else if (info->shared
4495 && SYMBOL_REFERENCES_LOCAL (info, h))
4497 asection *sec = h->root.u.def.section;
4498 if (h->type == STT_GNU_IFUNC)
4499 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4501 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4502 rela.r_addend = (h->root.u.def.value
4503 + sec->output_section->vma
4504 + sec->output_offset);
4508 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4512 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4513 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4514 sparc_elf_append_rela (output_bfd, srela, &rela);
4520 Elf_Internal_Rela rela;
4522 /* This symbols needs a copy reloc. Set it up. */
4523 BFD_ASSERT (h->dynindx != -1);
4525 s = bfd_get_linker_section (h->root.u.def.section->owner,
4527 BFD_ASSERT (s != NULL);
4529 rela.r_offset = (h->root.u.def.value
4530 + h->root.u.def.section->output_section->vma
4531 + h->root.u.def.section->output_offset);
4532 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4534 sparc_elf_append_rela (output_bfd, s, &rela);
4537 /* Mark some specially defined symbols as absolute. On VxWorks,
4538 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4539 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4541 && (h == htab->elf.hdynamic
4542 || (!htab->is_vxworks
4543 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4544 sym->st_shndx = SHN_ABS;
4549 /* Finish up the dynamic sections. */
4552 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4553 bfd *dynobj, asection *sdyn,
4554 asection *splt ATTRIBUTE_UNUSED)
4556 struct _bfd_sparc_elf_link_hash_table *htab;
4557 const struct elf_backend_data *bed;
4558 bfd_byte *dyncon, *dynconend;
4560 int stt_regidx = -1;
4561 bfd_boolean abi_64_p;
4563 htab = _bfd_sparc_elf_hash_table (info);
4564 BFD_ASSERT (htab != NULL);
4565 bed = get_elf_backend_data (output_bfd);
4566 dynsize = bed->s->sizeof_dyn;
4567 dynconend = sdyn->contents + sdyn->size;
4568 abi_64_p = ABI_64_P (output_bfd);
4569 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4571 Elf_Internal_Dyn dyn;
4575 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4577 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
4579 /* On VxWorks, DT_RELASZ should not include the relocations
4581 if (htab->elf.srelplt)
4583 dyn.d_un.d_val -= htab->elf.srelplt->size;
4584 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4587 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4589 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4590 not to the start of the PLT. */
4591 if (htab->elf.sgotplt)
4593 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4594 + htab->elf.sgotplt->output_offset);
4595 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4598 else if (htab->is_vxworks
4599 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4600 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4601 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4603 if (stt_regidx == -1)
4606 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4607 if (stt_regidx == -1)
4610 dyn.d_un.d_val = stt_regidx++;
4611 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4617 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
4618 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
4619 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
4620 default: name = NULL; size = FALSE; break;
4627 s = bfd_get_section_by_name (output_bfd, name);
4633 dyn.d_un.d_ptr = s->vma;
4635 dyn.d_un.d_val = s->size;
4637 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4644 /* Install the first PLT entry in a VxWorks executable and make sure that
4645 .rela.plt.unloaded relocations have the correct symbol indexes. */
4648 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4650 struct _bfd_sparc_elf_link_hash_table *htab;
4651 Elf_Internal_Rela rela;
4655 htab = _bfd_sparc_elf_hash_table (info);
4656 BFD_ASSERT (htab != NULL);
4658 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4659 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4660 + htab->elf.hgot->root.u.def.section->output_offset
4661 + htab->elf.hgot->root.u.def.value);
4663 /* Install the initial PLT entry. */
4664 bfd_put_32 (output_bfd,
4665 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4666 htab->elf.splt->contents);
4667 bfd_put_32 (output_bfd,
4668 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4669 htab->elf.splt->contents + 4);
4670 bfd_put_32 (output_bfd,
4671 sparc_vxworks_exec_plt0_entry[2],
4672 htab->elf.splt->contents + 8);
4673 bfd_put_32 (output_bfd,
4674 sparc_vxworks_exec_plt0_entry[3],
4675 htab->elf.splt->contents + 12);
4676 bfd_put_32 (output_bfd,
4677 sparc_vxworks_exec_plt0_entry[4],
4678 htab->elf.splt->contents + 16);
4680 loc = htab->srelplt2->contents;
4682 /* Add an unloaded relocation for the initial entry's "sethi". */
4683 rela.r_offset = (htab->elf.splt->output_section->vma
4684 + htab->elf.splt->output_offset);
4685 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4687 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4688 loc += sizeof (Elf32_External_Rela);
4690 /* Likewise the following "or". */
4692 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4693 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4694 loc += sizeof (Elf32_External_Rela);
4696 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4697 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4698 in which symbols were output. */
4699 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4701 Elf_Internal_Rela rel;
4703 /* The entry's initial "sethi" (against _G_O_T_). */
4704 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4705 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4706 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4707 loc += sizeof (Elf32_External_Rela);
4709 /* The following "or" (also against _G_O_T_). */
4710 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4711 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4712 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4713 loc += sizeof (Elf32_External_Rela);
4715 /* The .got.plt entry (against _P_L_T_). */
4716 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4717 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4718 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4719 loc += sizeof (Elf32_External_Rela);
4723 /* Install the first PLT entry in a VxWorks shared object. */
4726 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4728 struct _bfd_sparc_elf_link_hash_table *htab;
4731 htab = _bfd_sparc_elf_hash_table (info);
4732 BFD_ASSERT (htab != NULL);
4734 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4735 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4736 htab->elf.splt->contents + i * 4);
4739 /* Finish up local dynamic symbol handling. We set the contents of
4740 various dynamic sections here. */
4743 finish_local_dynamic_symbol (void **slot, void *inf)
4745 struct elf_link_hash_entry *h
4746 = (struct elf_link_hash_entry *) *slot;
4747 struct bfd_link_info *info
4748 = (struct bfd_link_info *) inf;
4750 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4755 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4759 struct _bfd_sparc_elf_link_hash_table *htab;
4761 htab = _bfd_sparc_elf_hash_table (info);
4762 BFD_ASSERT (htab != NULL);
4763 dynobj = htab->elf.dynobj;
4765 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4767 if (elf_hash_table (info)->dynamic_sections_created)
4771 splt = htab->elf.splt;
4772 BFD_ASSERT (splt != NULL && sdyn != NULL);
4774 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4777 /* Initialize the contents of the .plt section. */
4780 if (htab->is_vxworks)
4783 sparc_vxworks_finish_shared_plt (output_bfd, info);
4785 sparc_vxworks_finish_exec_plt (output_bfd, info);
4789 memset (splt->contents, 0, htab->plt_header_size);
4790 if (!ABI_64_P (output_bfd))
4791 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4792 splt->contents + splt->size - 4);
4796 if (elf_section_data (splt->output_section) != NULL)
4797 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4798 = ((htab->is_vxworks || !ABI_64_P (output_bfd))
4799 ? 0 : htab->plt_entry_size);
4802 /* Set the first entry in the global offset table to the address of
4803 the dynamic section. */
4804 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4806 bfd_vma val = (sdyn ?
4807 sdyn->output_section->vma + sdyn->output_offset :
4810 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4814 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4815 SPARC_ELF_WORD_BYTES (htab);
4817 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4818 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4824 /* Set the right machine number for a SPARC ELF file. */
4827 _bfd_sparc_elf_object_p (bfd *abfd)
4829 if (ABI_64_P (abfd))
4831 unsigned long mach = bfd_mach_sparc_v9;
4833 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4834 mach = bfd_mach_sparc_v9b;
4835 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4836 mach = bfd_mach_sparc_v9a;
4837 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4841 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4843 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4844 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4845 bfd_mach_sparc_v8plusb);
4846 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4847 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4848 bfd_mach_sparc_v8plusa);
4849 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4850 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4851 bfd_mach_sparc_v8plus);
4855 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4856 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4857 bfd_mach_sparc_sparclite_le);
4859 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4863 /* Return address for Ith PLT stub in section PLT, for relocation REL
4864 or (bfd_vma) -1 if it should not be included. */
4867 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4869 if (ABI_64_P (plt->owner))
4873 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4874 if (i < PLT64_LARGE_THRESHOLD)
4875 return plt->vma + i * PLT64_ENTRY_SIZE;
4877 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4879 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4882 return rel->address;
4885 /* Merge backend specific data from an object file to the output
4886 object file when linking. */
4889 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4891 obj_attribute *in_attr, *in_attrs;
4892 obj_attribute *out_attr, *out_attrs;
4894 if (!elf_known_obj_attributes_proc (obfd)[0].i)
4896 /* This is the first object. Copy the attributes. */
4897 _bfd_elf_copy_obj_attributes (ibfd, obfd);
4899 /* Use the Tag_null value to indicate the attributes have been
4901 elf_known_obj_attributes_proc (obfd)[0].i = 1;
4906 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
4907 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
4909 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
4910 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
4912 out_attr->i |= in_attr->i;
4915 /* Merge Tag_compatibility attributes and any common GNU ones. */
4916 _bfd_elf_merge_object_attributes (ibfd, obfd);