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;
1455 if (h && h->type == STT_GNU_IFUNC)
1460 h->plt.refcount += 1;
1464 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1465 with R_SPARC_TLS_GD_HI22. */
1466 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1469 case R_SPARC_TLS_GD_HI22:
1471 const Elf_Internal_Rela *relt;
1473 for (relt = rel + 1; relt < rel_end; relt++)
1474 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1475 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1476 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1478 checked_tlsgd = TRUE;
1479 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1482 case R_SPARC_TLS_GD_LO10:
1483 case R_SPARC_TLS_GD_ADD:
1484 case R_SPARC_TLS_GD_CALL:
1485 checked_tlsgd = TRUE;
1486 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1490 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1493 case R_SPARC_TLS_LDM_HI22:
1494 case R_SPARC_TLS_LDM_LO10:
1495 htab->tls_ldm_got.refcount += 1;
1498 case R_SPARC_TLS_LE_HIX22:
1499 case R_SPARC_TLS_LE_LOX10:
1504 case R_SPARC_TLS_IE_HI22:
1505 case R_SPARC_TLS_IE_LO10:
1507 info->flags |= DF_STATIC_TLS;
1513 case R_SPARC_GOTDATA_HIX22:
1514 case R_SPARC_GOTDATA_LOX10:
1515 case R_SPARC_GOTDATA_OP_HIX22:
1516 case R_SPARC_GOTDATA_OP_LOX10:
1517 case R_SPARC_TLS_GD_HI22:
1518 case R_SPARC_TLS_GD_LO10:
1519 /* This symbol requires a global offset table entry. */
1521 int tls_type, old_tls_type;
1529 case R_SPARC_GOTDATA_OP_HIX22:
1530 case R_SPARC_GOTDATA_OP_LOX10:
1531 tls_type = GOT_NORMAL;
1533 case R_SPARC_TLS_GD_HI22:
1534 case R_SPARC_TLS_GD_LO10:
1535 tls_type = GOT_TLS_GD;
1537 case R_SPARC_TLS_IE_HI22:
1538 case R_SPARC_TLS_IE_LO10:
1539 tls_type = GOT_TLS_IE;
1545 h->got.refcount += 1;
1546 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1550 bfd_signed_vma *local_got_refcounts;
1552 /* This is a global offset table entry for a local symbol. */
1553 local_got_refcounts = elf_local_got_refcounts (abfd);
1554 if (local_got_refcounts == NULL)
1558 size = symtab_hdr->sh_info;
1559 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1560 local_got_refcounts = ((bfd_signed_vma *)
1561 bfd_zalloc (abfd, size));
1562 if (local_got_refcounts == NULL)
1564 elf_local_got_refcounts (abfd) = local_got_refcounts;
1565 _bfd_sparc_elf_local_got_tls_type (abfd)
1566 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1570 case R_SPARC_GOTDATA_OP_HIX22:
1571 case R_SPARC_GOTDATA_OP_LOX10:
1575 local_got_refcounts[r_symndx] += 1;
1578 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1581 /* If a TLS symbol is accessed using IE at least once,
1582 there is no point to use dynamic model for it. */
1583 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1584 && (old_tls_type != GOT_TLS_GD
1585 || tls_type != GOT_TLS_IE))
1587 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1588 tls_type = old_tls_type;
1591 (*_bfd_error_handler)
1592 (_("%B: `%s' accessed both as normal and thread local symbol"),
1593 abfd, h ? h->root.root.string : "<local>");
1598 if (old_tls_type != tls_type)
1601 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1603 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1607 if (htab->elf.sgot == NULL)
1609 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1614 case R_SPARC_TLS_GD_CALL:
1615 case R_SPARC_TLS_LDM_CALL:
1618 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1620 struct bfd_link_hash_entry *bh = NULL;
1621 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1622 "__tls_get_addr", 0,
1623 bfd_und_section_ptr, 0,
1627 h = (struct elf_link_hash_entry *) bh;
1634 case R_SPARC_WPLT30:
1635 case R_SPARC_HIPLT22:
1636 case R_SPARC_LOPLT10:
1637 case R_SPARC_PCPLT32:
1638 case R_SPARC_PCPLT22:
1639 case R_SPARC_PCPLT10:
1641 /* This symbol requires a procedure linkage table entry. We
1642 actually build the entry in adjust_dynamic_symbol,
1643 because this might be a case of linking PIC code without
1644 linking in any dynamic objects, in which case we don't
1645 need to generate a procedure linkage table after all. */
1649 if (! ABI_64_P (abfd))
1651 /* The Solaris native assembler will generate a WPLT30
1652 reloc for a local symbol if you assemble a call from
1653 one section to another when using -K pic. We treat
1655 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1659 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1660 else if (r_type == R_SPARC_WPLT30)
1663 /* It does not make sense to have a procedure linkage
1664 table entry for a local symbol. */
1665 bfd_set_error (bfd_error_bad_value);
1674 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1675 if (this_r_type == R_SPARC_PLT32
1676 || this_r_type == R_SPARC_PLT64)
1679 h->plt.refcount += 1;
1684 case R_SPARC_PC_HH22:
1685 case R_SPARC_PC_HM10:
1686 case R_SPARC_PC_LM22:
1691 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1696 case R_SPARC_DISP16:
1697 case R_SPARC_DISP32:
1698 case R_SPARC_DISP64:
1699 case R_SPARC_WDISP30:
1700 case R_SPARC_WDISP22:
1701 case R_SPARC_WDISP19:
1702 case R_SPARC_WDISP16:
1703 case R_SPARC_WDISP10:
1734 if (h != NULL && !info->shared)
1736 /* We may need a .plt entry if the function this reloc
1737 refers to is in a shared lib. */
1738 h->plt.refcount += 1;
1741 /* If we are creating a shared library, and this is a reloc
1742 against a global symbol, or a non PC relative reloc
1743 against a local symbol, then we need to copy the reloc
1744 into the shared library. However, if we are linking with
1745 -Bsymbolic, we do not need to copy a reloc against a
1746 global symbol which is defined in an object we are
1747 including in the link (i.e., DEF_REGULAR is set). At
1748 this point we have not seen all the input files, so it is
1749 possible that DEF_REGULAR is not set now but will be set
1750 later (it is never cleared). In case of a weak definition,
1751 DEF_REGULAR may be cleared later by a strong definition in
1752 a shared library. We account for that possibility below by
1753 storing information in the relocs_copied field of the hash
1754 table entry. A similar situation occurs when creating
1755 shared libraries and symbol visibility changes render the
1758 If on the other hand, we are creating an executable, we
1759 may need to keep relocations for symbols satisfied by a
1760 dynamic library if we manage to avoid copy relocs for the
1763 && (sec->flags & SEC_ALLOC) != 0
1764 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1766 && (! SYMBOLIC_BIND (info, h)
1767 || h->root.type == bfd_link_hash_defweak
1768 || !h->def_regular))))
1770 && (sec->flags & SEC_ALLOC) != 0
1772 && (h->root.type == bfd_link_hash_defweak
1773 || !h->def_regular))
1776 && h->type == STT_GNU_IFUNC))
1778 struct _bfd_sparc_elf_dyn_relocs *p;
1779 struct _bfd_sparc_elf_dyn_relocs **head;
1781 /* When creating a shared object, we must copy these
1782 relocs into the output file. We create a reloc
1783 section in dynobj and make room for the reloc. */
1786 sreloc = _bfd_elf_make_dynamic_reloc_section
1787 (sec, htab->elf.dynobj, htab->word_align_power,
1788 abfd, /*rela?*/ TRUE);
1794 /* If this is a global symbol, we count the number of
1795 relocations we need for this symbol. */
1797 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1800 /* Track dynamic relocs needed for local syms too.
1801 We really need local syms available to do this
1806 BFD_ASSERT (isym != NULL);
1807 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1811 vpp = &elf_section_data (s)->local_dynrel;
1812 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1816 if (p == NULL || p->sec != sec)
1818 bfd_size_type amt = sizeof *p;
1819 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1820 bfd_alloc (htab->elf.dynobj, amt));
1831 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1837 case R_SPARC_GNU_VTINHERIT:
1838 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1842 case R_SPARC_GNU_VTENTRY:
1843 BFD_ASSERT (h != NULL);
1845 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1849 case R_SPARC_REGISTER:
1850 /* Nothing to do. */
1862 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1863 struct bfd_link_info *info,
1864 Elf_Internal_Rela *rel,
1865 struct elf_link_hash_entry *h,
1866 Elf_Internal_Sym *sym)
1869 switch (SPARC_ELF_R_TYPE (rel->r_info))
1871 case R_SPARC_GNU_VTINHERIT:
1872 case R_SPARC_GNU_VTENTRY:
1876 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1879 static Elf_Internal_Rela *
1880 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela *rel,
1881 Elf_Internal_Rela *relend,
1884 while (rel < relend)
1886 if (rel->r_offset == offset)
1893 /* Update the got entry reference counts for the section being removed. */
1895 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1896 asection *sec, const Elf_Internal_Rela *relocs)
1898 struct _bfd_sparc_elf_link_hash_table *htab;
1899 Elf_Internal_Shdr *symtab_hdr;
1900 struct elf_link_hash_entry **sym_hashes;
1901 bfd_signed_vma *local_got_refcounts;
1902 const Elf_Internal_Rela *rel, *relend;
1904 if (info->relocatable)
1907 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1909 elf_section_data (sec)->local_dynrel = NULL;
1911 htab = _bfd_sparc_elf_hash_table (info);
1912 BFD_ASSERT (htab != NULL);
1913 symtab_hdr = &elf_symtab_hdr (abfd);
1914 sym_hashes = elf_sym_hashes (abfd);
1915 local_got_refcounts = elf_local_got_refcounts (abfd);
1917 relend = relocs + sec->reloc_count;
1918 for (rel = relocs; rel < relend; rel++)
1920 unsigned long r_symndx;
1921 unsigned int r_type;
1922 struct elf_link_hash_entry *h = NULL;
1924 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1925 if (r_symndx >= symtab_hdr->sh_info)
1927 struct _bfd_sparc_elf_link_hash_entry *eh;
1928 struct _bfd_sparc_elf_dyn_relocs **pp;
1929 struct _bfd_sparc_elf_dyn_relocs *p;
1931 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1932 while (h->root.type == bfd_link_hash_indirect
1933 || h->root.type == bfd_link_hash_warning)
1934 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1935 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1936 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1939 /* Everything must go for SEC. */
1945 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1946 r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL);
1949 case R_SPARC_TLS_LDM_HI22:
1950 case R_SPARC_TLS_LDM_LO10:
1951 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1952 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1955 case R_SPARC_TLS_GD_HI22:
1956 case R_SPARC_TLS_GD_LO10:
1957 case R_SPARC_TLS_IE_HI22:
1958 case R_SPARC_TLS_IE_LO10:
1962 case R_SPARC_GOTDATA_HIX22:
1963 case R_SPARC_GOTDATA_LOX10:
1964 case R_SPARC_GOTDATA_OP_HIX22:
1965 case R_SPARC_GOTDATA_OP_LOX10:
1968 if (h->got.refcount > 0)
1975 case R_SPARC_GOTDATA_OP_HIX22:
1976 case R_SPARC_GOTDATA_OP_LOX10:
1980 if (local_got_refcounts[r_symndx] > 0)
1981 local_got_refcounts[r_symndx]--;
1989 case R_SPARC_PC_HH22:
1990 case R_SPARC_PC_HM10:
1991 case R_SPARC_PC_LM22:
1993 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1998 case R_SPARC_DISP16:
1999 case R_SPARC_DISP32:
2000 case R_SPARC_DISP64:
2001 case R_SPARC_WDISP30:
2002 case R_SPARC_WDISP22:
2003 case R_SPARC_WDISP19:
2004 case R_SPARC_WDISP16:
2005 case R_SPARC_WDISP10:
2037 case R_SPARC_WPLT30:
2040 if (h->plt.refcount > 0)
2053 /* Adjust a symbol defined by a dynamic object and referenced by a
2054 regular object. The current definition is in some section of the
2055 dynamic object, but we're not including those sections. We have to
2056 change the definition to something the rest of the link can
2060 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
2061 struct elf_link_hash_entry *h)
2063 struct _bfd_sparc_elf_link_hash_table *htab;
2064 struct _bfd_sparc_elf_link_hash_entry * eh;
2065 struct _bfd_sparc_elf_dyn_relocs *p;
2068 htab = _bfd_sparc_elf_hash_table (info);
2069 BFD_ASSERT (htab != NULL);
2071 /* Make sure we know what is going on here. */
2072 BFD_ASSERT (htab->elf.dynobj != NULL
2074 || h->type == STT_GNU_IFUNC
2075 || h->u.weakdef != NULL
2078 && !h->def_regular)));
2080 /* If this is a function, put it in the procedure linkage table. We
2081 will fill in the contents of the procedure linkage table later
2082 (although we could actually do it here). The STT_NOTYPE
2083 condition is a hack specifically for the Oracle libraries
2084 delivered for Solaris; for some inexplicable reason, they define
2085 some of their functions as STT_NOTYPE when they really should be
2087 if (h->type == STT_FUNC
2088 || h->type == STT_GNU_IFUNC
2090 || (h->type == STT_NOTYPE
2091 && (h->root.type == bfd_link_hash_defined
2092 || h->root.type == bfd_link_hash_defweak)
2093 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2095 if (h->plt.refcount <= 0
2096 || (h->type != STT_GNU_IFUNC
2097 && (SYMBOL_CALLS_LOCAL (info, h)
2098 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2099 && h->root.type == bfd_link_hash_undefweak))))
2101 /* This case can occur if we saw a WPLT30 reloc in an input
2102 file, but the symbol was never referred to by a dynamic
2103 object, or if all references were garbage collected. In
2104 such a case, we don't actually need to build a procedure
2105 linkage table, and we can just do a WDISP30 reloc instead. */
2106 h->plt.offset = (bfd_vma) -1;
2113 h->plt.offset = (bfd_vma) -1;
2115 /* If this is a weak symbol, and there is a real definition, the
2116 processor independent code will have arranged for us to see the
2117 real definition first, and we can just use the same value. */
2118 if (h->u.weakdef != NULL)
2120 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2121 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2122 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2123 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2127 /* This is a reference to a symbol defined by a dynamic object which
2128 is not a function. */
2130 /* If we are creating a shared library, we must presume that the
2131 only references to the symbol are via the global offset table.
2132 For such cases we need not do anything here; the relocations will
2133 be handled correctly by relocate_section. */
2137 /* If there are no references to this symbol that do not use the
2138 GOT, we don't need to generate a copy reloc. */
2139 if (!h->non_got_ref)
2142 /* If -z nocopyreloc was given, we won't generate them either. */
2143 if (info->nocopyreloc)
2149 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2150 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2152 s = p->sec->output_section;
2153 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2157 /* If we didn't find any dynamic relocs in read-only sections, then
2158 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2165 /* We must allocate the symbol in our .dynbss section, which will
2166 become part of the .bss section of the executable. There will be
2167 an entry for this symbol in the .dynsym section. The dynamic
2168 object will contain position independent code, so all references
2169 from the dynamic object to this symbol will go through the global
2170 offset table. The dynamic linker will use the .dynsym entry to
2171 determine the address it must put in the global offset table, so
2172 both the dynamic object and the regular object will refer to the
2173 same memory location for the variable. */
2175 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2176 to copy the initial value out of the dynamic object and into the
2177 runtime process image. We need to remember the offset into the
2178 .rel.bss section we are going to use. */
2179 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
2181 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
2187 return _bfd_elf_adjust_dynamic_copy (h, s);
2190 /* Allocate space in .plt, .got and associated reloc sections for
2194 allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2196 struct bfd_link_info *info;
2197 struct _bfd_sparc_elf_link_hash_table *htab;
2198 struct _bfd_sparc_elf_link_hash_entry *eh;
2199 struct _bfd_sparc_elf_dyn_relocs *p;
2201 if (h->root.type == bfd_link_hash_indirect)
2204 info = (struct bfd_link_info *) inf;
2205 htab = _bfd_sparc_elf_hash_table (info);
2206 BFD_ASSERT (htab != NULL);
2208 if ((htab->elf.dynamic_sections_created
2209 && h->plt.refcount > 0)
2210 || (h->type == STT_GNU_IFUNC
2214 /* Make sure this symbol is output as a dynamic symbol.
2215 Undefined weak syms won't yet be marked as dynamic. */
2216 if (h->dynindx == -1
2217 && !h->forced_local)
2219 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2223 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h)
2224 || (h->type == STT_GNU_IFUNC
2227 asection *s = htab->elf.splt;
2232 /* Allocate room for the header. */
2235 s->size = htab->plt_header_size;
2237 /* Allocate space for the .rela.plt.unloaded relocations. */
2238 if (htab->is_vxworks && !info->shared)
2239 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2242 /* The procedure linkage table size is bounded by the magnitude
2243 of the offset we can describe in the entry. */
2244 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2245 (((bfd_vma)1 << 31) << 1) : 0x400000))
2247 bfd_set_error (bfd_error_bad_value);
2251 if (SPARC_ELF_WORD_BYTES(htab) == 8
2252 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2254 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2257 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2259 h->plt.offset = (s->size - (off * 8));
2262 h->plt.offset = s->size;
2264 /* If this symbol is not defined in a regular file, and we are
2265 not generating a shared library, then set the symbol to this
2266 location in the .plt. This is required to make function
2267 pointers compare as equal between the normal executable and
2268 the shared library. */
2272 h->root.u.def.section = s;
2273 h->root.u.def.value = h->plt.offset;
2276 /* Make room for this entry. */
2277 s->size += htab->plt_entry_size;
2279 /* We also need to make an entry in the .rela.plt section. */
2280 if (s == htab->elf.splt)
2281 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2283 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2285 if (htab->is_vxworks)
2287 /* Allocate space for the .got.plt entry. */
2288 htab->elf.sgotplt->size += 4;
2290 /* ...and for the .rela.plt.unloaded relocations. */
2292 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2297 h->plt.offset = (bfd_vma) -1;
2303 h->plt.offset = (bfd_vma) -1;
2307 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2308 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2309 if (h->got.refcount > 0
2312 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2313 h->got.offset = (bfd_vma) -1;
2314 else if (h->got.refcount > 0)
2318 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2320 /* Make sure this symbol is output as a dynamic symbol.
2321 Undefined weak syms won't yet be marked as dynamic. */
2322 if (h->dynindx == -1
2323 && !h->forced_local)
2325 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2330 h->got.offset = s->size;
2331 s->size += SPARC_ELF_WORD_BYTES (htab);
2332 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2333 if (tls_type == GOT_TLS_GD)
2334 s->size += SPARC_ELF_WORD_BYTES (htab);
2335 dyn = htab->elf.dynamic_sections_created;
2336 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2337 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2339 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2340 || tls_type == GOT_TLS_IE
2341 || h->type == STT_GNU_IFUNC)
2342 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2343 else if (tls_type == GOT_TLS_GD)
2344 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2345 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
2346 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2349 h->got.offset = (bfd_vma) -1;
2351 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2352 if (eh->dyn_relocs == NULL)
2355 /* In the shared -Bsymbolic case, discard space allocated for
2356 dynamic pc-relative relocs against symbols which turn out to be
2357 defined in regular objects. For the normal shared case, discard
2358 space for pc-relative relocs that have become local due to symbol
2359 visibility changes. */
2363 if (SYMBOL_CALLS_LOCAL (info, h))
2365 struct _bfd_sparc_elf_dyn_relocs **pp;
2367 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2369 p->count -= p->pc_count;
2378 if (htab->is_vxworks)
2380 struct _bfd_sparc_elf_dyn_relocs **pp;
2382 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2384 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2391 /* Also discard relocs on undefined weak syms with non-default
2393 if (eh->dyn_relocs != NULL
2394 && h->root.type == bfd_link_hash_undefweak)
2396 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2397 eh->dyn_relocs = NULL;
2399 /* Make sure undefined weak symbols are output as a dynamic
2401 else if (h->dynindx == -1
2402 && !h->forced_local)
2404 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2411 /* For the non-shared case, discard space for relocs against
2412 symbols which turn out to need copy relocs or are not
2418 || (htab->elf.dynamic_sections_created
2419 && (h->root.type == bfd_link_hash_undefweak
2420 || h->root.type == bfd_link_hash_undefined))))
2422 /* Make sure this symbol is output as a dynamic symbol.
2423 Undefined weak syms won't yet be marked as dynamic. */
2424 if (h->dynindx == -1
2425 && !h->forced_local)
2427 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2431 /* If that succeeded, we know we'll be keeping all the
2433 if (h->dynindx != -1)
2437 eh->dyn_relocs = NULL;
2442 /* Finally, allocate space. */
2443 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2445 asection *sreloc = elf_section_data (p->sec)->sreloc;
2446 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2452 /* Allocate space in .plt, .got and associated reloc sections for
2453 local dynamic relocs. */
2456 allocate_local_dynrelocs (void **slot, void *inf)
2458 struct elf_link_hash_entry *h
2459 = (struct elf_link_hash_entry *) *slot;
2461 if (h->type != STT_GNU_IFUNC
2465 || h->root.type != bfd_link_hash_defined)
2468 return allocate_dynrelocs (h, inf);
2471 /* Find any dynamic relocs that apply to read-only sections. */
2474 readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
2476 struct _bfd_sparc_elf_link_hash_entry *eh;
2477 struct _bfd_sparc_elf_dyn_relocs *p;
2479 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2480 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2482 asection *s = p->sec->output_section;
2484 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2486 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2488 info->flags |= DF_TEXTREL;
2490 /* Not an error, just cut short the traversal. */
2497 /* Return true if the dynamic symbol for a given section should be
2498 omitted when creating a shared library. */
2501 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2502 struct bfd_link_info *info,
2505 /* We keep the .got section symbol so that explicit relocations
2506 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2507 can be turned into relocations against the .got symbol. */
2508 if (strcmp (p->name, ".got") == 0)
2511 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2514 /* Set the sizes of the dynamic sections. */
2517 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2518 struct bfd_link_info *info)
2520 struct _bfd_sparc_elf_link_hash_table *htab;
2525 htab = _bfd_sparc_elf_hash_table (info);
2526 BFD_ASSERT (htab != NULL);
2527 dynobj = htab->elf.dynobj;
2528 BFD_ASSERT (dynobj != NULL);
2530 if (elf_hash_table (info)->dynamic_sections_created)
2532 /* Set the contents of the .interp section to the interpreter. */
2533 if (info->executable)
2535 s = bfd_get_linker_section (dynobj, ".interp");
2536 BFD_ASSERT (s != NULL);
2537 s->size = htab->dynamic_interpreter_size;
2538 s->contents = (unsigned char *) htab->dynamic_interpreter;
2542 /* Set up .got offsets for local syms, and space for local dynamic
2544 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2546 bfd_signed_vma *local_got;
2547 bfd_signed_vma *end_local_got;
2548 char *local_tls_type;
2549 bfd_size_type locsymcount;
2550 Elf_Internal_Shdr *symtab_hdr;
2553 if (! is_sparc_elf (ibfd))
2556 for (s = ibfd->sections; s != NULL; s = s->next)
2558 struct _bfd_sparc_elf_dyn_relocs *p;
2560 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2562 if (!bfd_is_abs_section (p->sec)
2563 && bfd_is_abs_section (p->sec->output_section))
2565 /* Input section has been discarded, either because
2566 it is a copy of a linkonce section or due to
2567 linker script /DISCARD/, so we'll be discarding
2570 else if (htab->is_vxworks
2571 && strcmp (p->sec->output_section->name,
2574 /* Relocations in vxworks .tls_vars sections are
2575 handled specially by the loader. */
2577 else if (p->count != 0)
2579 srel = elf_section_data (p->sec)->sreloc;
2580 if (!htab->elf.dynamic_sections_created)
2581 srel = htab->elf.irelplt;
2582 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2583 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2584 info->flags |= DF_TEXTREL;
2589 local_got = elf_local_got_refcounts (ibfd);
2593 symtab_hdr = &elf_symtab_hdr (ibfd);
2594 locsymcount = symtab_hdr->sh_info;
2595 end_local_got = local_got + locsymcount;
2596 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2598 srel = htab->elf.srelgot;
2599 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2603 *local_got = s->size;
2604 s->size += SPARC_ELF_WORD_BYTES (htab);
2605 if (*local_tls_type == GOT_TLS_GD)
2606 s->size += SPARC_ELF_WORD_BYTES (htab);
2608 || *local_tls_type == GOT_TLS_GD
2609 || *local_tls_type == GOT_TLS_IE)
2610 srel->size += SPARC_ELF_RELA_BYTES (htab);
2613 *local_got = (bfd_vma) -1;
2617 if (htab->tls_ldm_got.refcount > 0)
2619 /* Allocate 2 got entries and 1 dynamic reloc for
2620 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2621 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2622 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2623 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2626 htab->tls_ldm_got.offset = -1;
2628 /* Allocate global sym .plt and .got entries, and space for global
2629 sym dynamic relocs. */
2630 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
2632 /* Allocate .plt and .got entries, and space for local symbols. */
2633 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2635 if (! ABI_64_P (output_bfd)
2636 && !htab->is_vxworks
2637 && elf_hash_table (info)->dynamic_sections_created)
2639 /* Make space for the trailing nop in .plt. */
2640 if (htab->elf.splt->size > 0)
2641 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2643 /* If the .got section is more than 0x1000 bytes, we add
2644 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2645 bit relocations have a greater chance of working.
2647 FIXME: Make this optimization work for 64-bit too. */
2648 if (htab->elf.sgot->size >= 0x1000
2649 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2650 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2653 /* The check_relocs and adjust_dynamic_symbol entry points have
2654 determined the sizes of the various dynamic sections. Allocate
2656 for (s = dynobj->sections; s != NULL; s = s->next)
2658 if ((s->flags & SEC_LINKER_CREATED) == 0)
2661 if (s == htab->elf.splt
2662 || s == htab->elf.sgot
2663 || s == htab->sdynbss
2664 || s == htab->elf.iplt
2665 || s == htab->elf.sgotplt)
2667 /* Strip this section if we don't need it; see the
2670 else if (CONST_STRNEQ (s->name, ".rela"))
2674 /* We use the reloc_count field as a counter if we need
2675 to copy relocs into the output file. */
2681 /* It's not one of our sections. */
2687 /* If we don't need this section, strip it from the
2688 output file. This is mostly to handle .rela.bss and
2689 .rela.plt. We must create both sections in
2690 create_dynamic_sections, because they must be created
2691 before the linker maps input sections to output
2692 sections. The linker does that before
2693 adjust_dynamic_symbol is called, and it is that
2694 function which decides whether anything needs to go
2695 into these sections. */
2696 s->flags |= SEC_EXCLUDE;
2700 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2703 /* Allocate memory for the section contents. Zero the memory
2704 for the benefit of .rela.plt, which has 4 unused entries
2705 at the beginning, and we don't want garbage. */
2706 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2707 if (s->contents == NULL)
2711 if (elf_hash_table (info)->dynamic_sections_created)
2713 /* Add some entries to the .dynamic section. We fill in the
2714 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2715 must add the entries now so that we get the correct size for
2716 the .dynamic section. The DT_DEBUG entry is filled in by the
2717 dynamic linker and used by the debugger. */
2718 #define add_dynamic_entry(TAG, VAL) \
2719 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2721 if (info->executable)
2723 if (!add_dynamic_entry (DT_DEBUG, 0))
2727 if (htab->elf.srelplt->size != 0)
2729 if (!add_dynamic_entry (DT_PLTGOT, 0)
2730 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2731 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2732 || !add_dynamic_entry (DT_JMPREL, 0))
2736 if (!add_dynamic_entry (DT_RELA, 0)
2737 || !add_dynamic_entry (DT_RELASZ, 0)
2738 || !add_dynamic_entry (DT_RELAENT,
2739 SPARC_ELF_RELA_BYTES (htab)))
2742 /* If any dynamic relocs apply to a read-only section,
2743 then we need a DT_TEXTREL entry. */
2744 if ((info->flags & DF_TEXTREL) == 0)
2745 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs, info);
2747 if (info->flags & DF_TEXTREL)
2749 if (!add_dynamic_entry (DT_TEXTREL, 0))
2753 if (ABI_64_P (output_bfd))
2756 struct _bfd_sparc_elf_app_reg * app_regs;
2757 struct elf_strtab_hash *dynstr;
2758 struct elf_link_hash_table *eht = elf_hash_table (info);
2760 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2761 entries if needed. */
2762 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2763 dynstr = eht->dynstr;
2765 for (reg = 0; reg < 4; reg++)
2766 if (app_regs [reg].name != NULL)
2768 struct elf_link_local_dynamic_entry *entry, *e;
2770 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2773 entry = (struct elf_link_local_dynamic_entry *)
2774 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2778 /* We cheat here a little bit: the symbol will not be local, so we
2779 put it at the end of the dynlocal linked list. We will fix it
2780 later on, as we have to fix other fields anyway. */
2781 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2782 entry->isym.st_size = 0;
2783 if (*app_regs [reg].name != '\0')
2785 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2787 entry->isym.st_name = 0;
2788 entry->isym.st_other = 0;
2789 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2791 entry->isym.st_shndx = app_regs [reg].shndx;
2792 entry->isym.st_target_internal = 0;
2794 entry->input_bfd = output_bfd;
2795 entry->input_indx = -1;
2797 if (eht->dynlocal == NULL)
2798 eht->dynlocal = entry;
2801 for (e = eht->dynlocal; e->next; e = e->next)
2808 if (htab->is_vxworks
2809 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2812 #undef add_dynamic_entry
2818 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2820 if (!sec->used_by_bfd)
2822 struct _bfd_sparc_elf_section_data *sdata;
2823 bfd_size_type amt = sizeof (*sdata);
2825 sdata = bfd_zalloc (abfd, amt);
2828 sec->used_by_bfd = sdata;
2831 return _bfd_elf_new_section_hook (abfd, sec);
2835 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2836 struct bfd_section *section,
2837 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2840 if (link_info->relocatable)
2841 (*link_info->callbacks->einfo)
2842 (_("%P%F: --relax and -r may not be used together\n"));
2845 sec_do_relax (section) = 1;
2849 /* Return the base VMA address which should be subtracted from real addresses
2850 when resolving @dtpoff relocation.
2851 This is PT_TLS segment p_vaddr. */
2854 dtpoff_base (struct bfd_link_info *info)
2856 /* If tls_sec is NULL, we should have signalled an error already. */
2857 if (elf_hash_table (info)->tls_sec == NULL)
2859 return elf_hash_table (info)->tls_sec->vma;
2862 /* Return the relocation value for @tpoff relocation
2863 if STT_TLS virtual address is ADDRESS. */
2866 tpoff (struct bfd_link_info *info, bfd_vma address)
2868 struct elf_link_hash_table *htab = elf_hash_table (info);
2869 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2870 bfd_vma static_tls_size;
2872 /* If tls_sec is NULL, we should have signalled an error already. */
2873 if (htab->tls_sec == NULL)
2876 /* Consider special static TLS alignment requirements. */
2877 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2878 return address - static_tls_size - htab->tls_sec->vma;
2881 /* Return the relocation value for a %gdop relocation. */
2884 gdopoff (struct bfd_link_info *info, bfd_vma address)
2886 struct elf_link_hash_table *htab = elf_hash_table (info);
2889 got_base = (htab->hgot->root.u.def.value
2890 + htab->hgot->root.u.def.section->output_offset
2891 + htab->hgot->root.u.def.section->output_section->vma);
2893 return address - got_base;
2896 /* Relocate a SPARC ELF section. */
2899 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2900 struct bfd_link_info *info,
2902 asection *input_section,
2904 Elf_Internal_Rela *relocs,
2905 Elf_Internal_Sym *local_syms,
2906 asection **local_sections)
2908 struct _bfd_sparc_elf_link_hash_table *htab;
2909 Elf_Internal_Shdr *symtab_hdr;
2910 struct elf_link_hash_entry **sym_hashes;
2911 bfd_vma *local_got_offsets;
2914 Elf_Internal_Rela *rel;
2915 Elf_Internal_Rela *relend;
2917 bfd_boolean is_vxworks_tls;
2919 htab = _bfd_sparc_elf_hash_table (info);
2920 BFD_ASSERT (htab != NULL);
2921 symtab_hdr = &elf_symtab_hdr (input_bfd);
2922 sym_hashes = elf_sym_hashes (input_bfd);
2923 local_got_offsets = elf_local_got_offsets (input_bfd);
2925 if (elf_hash_table (info)->hgot == NULL)
2928 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2930 sreloc = elf_section_data (input_section)->sreloc;
2931 /* We have to handle relocations in vxworks .tls_vars sections
2932 specially, because the dynamic loader is 'weird'. */
2933 is_vxworks_tls = (htab->is_vxworks && info->shared
2934 && !strcmp (input_section->output_section->name,
2938 if (ABI_64_P (output_bfd))
2939 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2941 num_relocs = input_section->reloc_count;
2942 relend = relocs + num_relocs;
2943 for (; rel < relend; rel++)
2945 int r_type, tls_type;
2946 reloc_howto_type *howto;
2947 unsigned long r_symndx;
2948 struct elf_link_hash_entry *h;
2949 Elf_Internal_Sym *sym;
2951 bfd_vma relocation, off;
2952 bfd_reloc_status_type r;
2953 bfd_boolean is_plt = FALSE;
2954 bfd_boolean unresolved_reloc;
2956 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2957 if (r_type == R_SPARC_GNU_VTINHERIT
2958 || r_type == R_SPARC_GNU_VTENTRY)
2961 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2963 bfd_set_error (bfd_error_bad_value);
2966 howto = _bfd_sparc_elf_howto_table + r_type;
2968 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2972 unresolved_reloc = FALSE;
2973 if (r_symndx < symtab_hdr->sh_info)
2975 sym = local_syms + r_symndx;
2976 sec = local_sections[r_symndx];
2977 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2979 if (!info->relocatable
2980 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2982 /* Relocate against local STT_GNU_IFUNC symbol. */
2983 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2988 /* Set STT_GNU_IFUNC symbol value. */
2989 h->root.u.def.value = sym->st_value;
2990 h->root.u.def.section = sec;
2997 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2998 r_symndx, symtab_hdr, sym_hashes,
3000 unresolved_reloc, warned);
3003 /* To avoid generating warning messages about truncated
3004 relocations, set the relocation's address to be the same as
3005 the start of this section. */
3006 if (input_section->output_section != NULL)
3007 relocation = input_section->output_section->vma;
3013 if (sec != NULL && discarded_section (sec))
3014 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
3015 rel, 1, relend, howto, 0, contents);
3017 if (info->relocatable)
3021 && h->type == STT_GNU_IFUNC
3027 if ((input_section->flags & SEC_ALLOC) == 0
3028 || h->plt.offset == (bfd_vma) -1)
3031 plt_sec = htab->elf.splt;
3033 plt_sec =htab->elf.iplt;
3037 case R_SPARC_GOTDATA_OP:
3040 case R_SPARC_GOTDATA_OP_HIX22:
3041 case R_SPARC_GOTDATA_OP_LOX10:
3042 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3045 howto = _bfd_sparc_elf_howto_table + r_type;
3051 if (htab->elf.sgot == NULL)
3053 off = h->got.offset;
3054 if (off == (bfd_vma) -1)
3056 relocation = htab->elf.sgot->output_offset + off - got_base;
3059 case R_SPARC_WPLT30:
3060 case R_SPARC_WDISP30:
3061 relocation = (plt_sec->output_section->vma
3062 + plt_sec->output_offset + h->plt.offset);
3067 if (info->shared && h->non_got_ref)
3069 Elf_Internal_Rela outrel;
3072 offset = _bfd_elf_section_offset (output_bfd, info,
3075 if (offset == (bfd_vma) -1
3076 || offset == (bfd_vma) -2)
3079 outrel.r_offset = (input_section->output_section->vma
3080 + input_section->output_offset
3083 if (h->dynindx == -1
3085 || info->executable)
3087 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3088 0, R_SPARC_IRELATIVE);
3089 outrel.r_addend = relocation + rel->r_addend;
3093 if (h->dynindx == -1)
3095 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3096 outrel.r_addend = rel->r_addend;
3099 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3103 relocation = (plt_sec->output_section->vma
3104 + plt_sec->output_offset + h->plt.offset);
3109 /* We should only see such relocs in static links. */
3112 relocation = (plt_sec->output_section->vma
3113 + plt_sec->output_offset + h->plt.offset);
3117 if (h->root.root.string)
3118 name = h->root.root.string;
3120 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3122 (*_bfd_error_handler)
3123 (_("%B: relocation %s against STT_GNU_IFUNC "
3124 "symbol `%s' isn't handled by %s"), input_bfd,
3125 _bfd_sparc_elf_howto_table[r_type].name,
3126 name, __FUNCTION__);
3127 bfd_set_error (bfd_error_bad_value);
3134 case R_SPARC_GOTDATA_OP_HIX22:
3135 case R_SPARC_GOTDATA_OP_LOX10:
3136 if (SYMBOL_REFERENCES_LOCAL (info, h))
3137 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3138 ? R_SPARC_GOTDATA_HIX22
3139 : R_SPARC_GOTDATA_LOX10);
3141 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3144 howto = _bfd_sparc_elf_howto_table + r_type;
3147 case R_SPARC_GOTDATA_OP:
3148 if (SYMBOL_REFERENCES_LOCAL (info, h))
3150 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3152 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3153 relocation = 0x80000000 | (insn & 0x3e07c01f);
3154 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3161 case R_SPARC_GOTDATA_HIX22:
3162 case R_SPARC_GOTDATA_LOX10:
3163 relocation = gdopoff (info, relocation);
3169 /* Relocation is to the entry for this symbol in the global
3171 if (htab->elf.sgot == NULL)
3178 off = h->got.offset;
3179 BFD_ASSERT (off != (bfd_vma) -1);
3180 dyn = elf_hash_table (info)->dynamic_sections_created;
3182 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
3184 && SYMBOL_REFERENCES_LOCAL (info, h)))
3186 /* This is actually a static link, or it is a
3187 -Bsymbolic link and the symbol is defined
3188 locally, or the symbol was forced to be local
3189 because of a version file. We must initialize
3190 this entry in the global offset table. Since the
3191 offset must always be a multiple of 8 for 64-bit
3192 and 4 for 32-bit, we use the least significant bit
3193 to record whether we have initialized it already.
3195 When doing a dynamic link, we create a .rela.got
3196 relocation entry to initialize the value. This
3197 is done in the finish_dynamic_symbol routine. */
3202 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3203 htab->elf.sgot->contents + off);
3208 unresolved_reloc = FALSE;
3212 BFD_ASSERT (local_got_offsets != NULL
3213 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3215 off = local_got_offsets[r_symndx];
3217 /* The offset must always be a multiple of 8 on 64-bit and
3218 4 on 32-bit. We use the least significant bit to record
3219 whether we have already processed this entry. */
3228 Elf_Internal_Rela outrel;
3230 /* We need to generate a R_SPARC_RELATIVE reloc
3231 for the dynamic linker. */
3232 s = htab->elf.srelgot;
3233 BFD_ASSERT (s != NULL);
3235 outrel.r_offset = (htab->elf.sgot->output_section->vma
3236 + htab->elf.sgot->output_offset
3238 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3239 0, R_SPARC_RELATIVE);
3240 outrel.r_addend = relocation;
3242 sparc_elf_append_rela (output_bfd, s, &outrel);
3245 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3246 htab->elf.sgot->contents + off);
3247 local_got_offsets[r_symndx] |= 1;
3250 relocation = htab->elf.sgot->output_offset + off - got_base;
3255 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3257 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3262 case R_SPARC_WPLT30:
3263 case R_SPARC_HIPLT22:
3264 case R_SPARC_LOPLT10:
3265 case R_SPARC_PCPLT32:
3266 case R_SPARC_PCPLT22:
3267 case R_SPARC_PCPLT10:
3269 /* Relocation is to the entry for this symbol in the
3270 procedure linkage table. */
3272 if (! ABI_64_P (output_bfd))
3274 /* The Solaris native assembler will generate a WPLT30 reloc
3275 for a local symbol if you assemble a call from one
3276 section to another when using -K pic. We treat it as
3281 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3282 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3286 BFD_ASSERT (h != NULL);
3289 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3291 /* We didn't make a PLT entry for this symbol. This
3292 happens when statically linking PIC code, or when
3293 using -Bsymbolic. */
3297 relocation = (htab->elf.splt->output_section->vma
3298 + htab->elf.splt->output_offset
3300 unresolved_reloc = FALSE;
3301 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3303 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3311 case R_SPARC_PC_HH22:
3312 case R_SPARC_PC_HM10:
3313 case R_SPARC_PC_LM22:
3315 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3319 case R_SPARC_DISP16:
3320 case R_SPARC_DISP32:
3321 case R_SPARC_DISP64:
3322 case R_SPARC_WDISP30:
3323 case R_SPARC_WDISP22:
3324 case R_SPARC_WDISP19:
3325 case R_SPARC_WDISP16:
3326 case R_SPARC_WDISP10:
3354 if ((input_section->flags & SEC_ALLOC) == 0
3360 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3361 || h->root.type != bfd_link_hash_undefweak)
3362 && (! howto->pc_relative
3363 || !SYMBOL_CALLS_LOCAL (info, h)))
3370 || h->root.type == bfd_link_hash_undefweak
3371 || h->root.type == bfd_link_hash_undefined)))
3373 Elf_Internal_Rela outrel;
3374 bfd_boolean skip, relocate = FALSE;
3376 /* When generating a shared object, these relocations
3377 are copied into the output file to be resolved at run
3380 BFD_ASSERT (sreloc != NULL);
3385 _bfd_elf_section_offset (output_bfd, info, input_section,
3387 if (outrel.r_offset == (bfd_vma) -1)
3389 else if (outrel.r_offset == (bfd_vma) -2)
3390 skip = TRUE, relocate = TRUE;
3391 outrel.r_offset += (input_section->output_section->vma
3392 + input_section->output_offset);
3394 /* Optimize unaligned reloc usage now that we know where
3395 it finally resides. */
3399 if (outrel.r_offset & 1)
3400 r_type = R_SPARC_UA16;
3403 if (!(outrel.r_offset & 1))
3404 r_type = R_SPARC_16;
3407 if (outrel.r_offset & 3)
3408 r_type = R_SPARC_UA32;
3411 if (!(outrel.r_offset & 3))
3412 r_type = R_SPARC_32;
3415 if (outrel.r_offset & 7)
3416 r_type = R_SPARC_UA64;
3419 if (!(outrel.r_offset & 7))
3420 r_type = R_SPARC_64;
3423 case R_SPARC_DISP16:
3424 case R_SPARC_DISP32:
3425 case R_SPARC_DISP64:
3426 /* If the symbol is not dynamic, we should not keep
3427 a dynamic relocation. But an .rela.* slot has been
3428 allocated for it, output R_SPARC_NONE.
3429 FIXME: Add code tracking needed dynamic relocs as
3431 if (h->dynindx == -1)
3432 skip = TRUE, relocate = TRUE;
3437 memset (&outrel, 0, sizeof outrel);
3438 /* h->dynindx may be -1 if the symbol was marked to
3440 else if (h != NULL &&
3444 || !SYMBOLIC_BIND (info, h)
3445 || !h->def_regular))
3447 BFD_ASSERT (h->dynindx != -1);
3448 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3449 outrel.r_addend = rel->r_addend;
3453 if (r_type == R_SPARC_32 || r_type == R_SPARC_64)
3455 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3456 0, R_SPARC_RELATIVE);
3457 outrel.r_addend = relocation + rel->r_addend;
3463 outrel.r_addend = relocation + rel->r_addend;
3466 sec = htab->elf.splt;
3468 if (bfd_is_abs_section (sec))
3470 else if (sec == NULL || sec->owner == NULL)
3472 bfd_set_error (bfd_error_bad_value);
3479 /* We are turning this relocation into one
3480 against a section symbol. It would be
3481 proper to subtract the symbol's value,
3482 osec->vma, from the emitted reloc addend,
3483 but ld.so expects buggy relocs. */
3484 osec = sec->output_section;
3485 indx = elf_section_data (osec)->dynindx;
3489 osec = htab->elf.text_index_section;
3490 indx = elf_section_data (osec)->dynindx;
3493 /* FIXME: we really should be able to link non-pic
3494 shared libraries. */
3498 (*_bfd_error_handler)
3499 (_("%B: probably compiled without -fPIC?"),
3501 bfd_set_error (bfd_error_bad_value);
3506 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3511 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3513 /* This reloc will be computed at runtime, so there's no
3514 need to do anything now. */
3520 case R_SPARC_TLS_GD_HI22:
3521 if (! ABI_64_P (input_bfd)
3522 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3524 /* R_SPARC_REV32 used the same reloc number as
3525 R_SPARC_TLS_GD_HI22. */
3526 r_type = R_SPARC_REV32;
3531 case R_SPARC_TLS_GD_LO10:
3532 case R_SPARC_TLS_IE_HI22:
3533 case R_SPARC_TLS_IE_LO10:
3534 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3535 tls_type = GOT_UNKNOWN;
3536 if (h == NULL && local_got_offsets)
3537 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3540 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3541 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
3542 switch (SPARC_ELF_R_TYPE (rel->r_info))
3544 case R_SPARC_TLS_GD_HI22:
3545 case R_SPARC_TLS_IE_HI22:
3546 r_type = R_SPARC_TLS_LE_HIX22;
3549 r_type = R_SPARC_TLS_LE_LOX10;
3553 if (tls_type == GOT_TLS_IE)
3556 case R_SPARC_TLS_GD_HI22:
3557 r_type = R_SPARC_TLS_IE_HI22;
3559 case R_SPARC_TLS_GD_LO10:
3560 r_type = R_SPARC_TLS_IE_LO10;
3564 if (r_type == R_SPARC_TLS_LE_HIX22)
3566 relocation = tpoff (info, relocation);
3569 if (r_type == R_SPARC_TLS_LE_LOX10)
3571 /* Change add into xor. */
3572 relocation = tpoff (info, relocation);
3573 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3574 contents + rel->r_offset)
3575 | 0x80182000), contents + rel->r_offset);
3581 off = h->got.offset;
3586 BFD_ASSERT (local_got_offsets != NULL);
3587 off = local_got_offsets[r_symndx];
3588 local_got_offsets[r_symndx] |= 1;
3592 if (htab->elf.sgot == NULL)
3599 Elf_Internal_Rela outrel;
3602 if (htab->elf.srelgot == NULL)
3605 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3606 htab->elf.sgot->contents + off);
3607 outrel.r_offset = (htab->elf.sgot->output_section->vma
3608 + htab->elf.sgot->output_offset + off);
3609 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3610 if (r_type == R_SPARC_TLS_IE_HI22
3611 || r_type == R_SPARC_TLS_IE_LO10)
3612 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3614 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3615 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3616 outrel.r_addend = relocation - dtpoff_base (info);
3618 outrel.r_addend = 0;
3619 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3620 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3622 if (r_type == R_SPARC_TLS_GD_HI22
3623 || r_type == R_SPARC_TLS_GD_LO10)
3627 BFD_ASSERT (! unresolved_reloc);
3628 SPARC_ELF_PUT_WORD (htab, output_bfd,
3629 relocation - dtpoff_base (info),
3630 (htab->elf.sgot->contents + off
3631 + SPARC_ELF_WORD_BYTES (htab)));
3635 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3636 (htab->elf.sgot->contents + off
3637 + SPARC_ELF_WORD_BYTES (htab)));
3638 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3639 SPARC_ELF_DTPOFF_RELOC (htab));
3640 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3641 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3645 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3647 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3648 (htab->elf.sgot->contents + off
3649 + SPARC_ELF_WORD_BYTES (htab)));
3653 if (off >= (bfd_vma) -2)
3656 relocation = htab->elf.sgot->output_offset + off - got_base;
3657 unresolved_reloc = FALSE;
3658 howto = _bfd_sparc_elf_howto_table + r_type;
3661 case R_SPARC_TLS_LDM_HI22:
3662 case R_SPARC_TLS_LDM_LO10:
3665 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3668 off = htab->tls_ldm_got.offset;
3669 htab->tls_ldm_got.offset |= 1;
3670 goto r_sparc_tlsldm;
3672 case R_SPARC_TLS_LDO_HIX22:
3673 case R_SPARC_TLS_LDO_LOX10:
3676 relocation -= dtpoff_base (info);
3680 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3681 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3684 case R_SPARC_TLS_LE_HIX22:
3685 case R_SPARC_TLS_LE_LOX10:
3688 Elf_Internal_Rela outrel;
3691 BFD_ASSERT (sreloc != NULL);
3694 _bfd_elf_section_offset (output_bfd, info, input_section,
3696 if (outrel.r_offset == (bfd_vma) -1)
3698 else if (outrel.r_offset == (bfd_vma) -2)
3700 outrel.r_offset += (input_section->output_section->vma
3701 + input_section->output_offset);
3703 memset (&outrel, 0, sizeof outrel);
3706 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3707 outrel.r_addend = relocation - dtpoff_base (info)
3711 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3714 relocation = tpoff (info, relocation);
3717 case R_SPARC_TLS_LDM_CALL:
3721 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3726 case R_SPARC_TLS_GD_CALL:
3727 tls_type = GOT_UNKNOWN;
3728 if (h == NULL && local_got_offsets)
3729 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3731 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3733 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3735 Elf_Internal_Rela *rel2;
3738 if (!info->shared && (h == NULL || h->dynindx == -1))
3741 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3746 if (rel + 1 < relend
3747 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3748 && rel[1].r_offset == rel->r_offset + 4
3749 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3750 && (((insn = bfd_get_32 (input_bfd,
3751 contents + rel[1].r_offset))
3752 >> 25) & 0x1f) == 8)
3755 call __tls_get_addr, %tgd_call(foo)
3756 add %reg1, %reg2, %o0, %tgd_add(foo)
3757 and change it into IE:
3758 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3759 add %g7, %o0, %o0, %tie_add(foo).
3760 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3761 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3762 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3763 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3764 contents + rel->r_offset);
3765 bfd_put_32 (output_bfd, 0x9001c008,
3766 contents + rel->r_offset + 4);
3771 /* We cannot just overwrite the delay slot instruction,
3772 as it might be what puts the %o0 argument to
3773 __tls_get_addr into place. So we have to transpose
3774 the delay slot with the add we patch in. */
3775 insn = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3776 bfd_put_32 (output_bfd, insn,
3777 contents + rel->r_offset);
3778 bfd_put_32 (output_bfd, 0x9001c008,
3779 contents + rel->r_offset + 4);
3782 while ((rel2 = sparc_elf_find_reloc_at_ofs (rel2 + 1, relend,
3786 /* If the instruction we moved has a relocation attached to
3787 it, adjust the offset so that it will apply to the correct
3789 rel2->r_offset -= 4;
3794 h = (struct elf_link_hash_entry *)
3795 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3797 BFD_ASSERT (h != NULL);
3798 r_type = R_SPARC_WPLT30;
3799 howto = _bfd_sparc_elf_howto_table + r_type;
3800 goto r_sparc_wplt30;
3802 case R_SPARC_TLS_GD_ADD:
3803 tls_type = GOT_UNKNOWN;
3804 if (h == NULL && local_got_offsets)
3805 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3807 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3808 if (! info->shared || tls_type == GOT_TLS_IE)
3810 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3812 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3814 add %g7, %reg2, %reg3. */
3815 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3816 if ((h != NULL && h->dynindx != -1) || info->shared)
3817 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3819 relocation = (insn & ~0x7c000) | 0x1c000;
3820 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3824 case R_SPARC_TLS_LDM_ADD:
3826 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3829 case R_SPARC_TLS_LDO_ADD:
3832 /* Change rs1 into %g7. */
3833 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3834 insn = (insn & ~0x7c000) | 0x1c000;
3835 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3839 case R_SPARC_TLS_IE_LD:
3840 case R_SPARC_TLS_IE_LDX:
3841 if (! info->shared && (h == NULL || h->dynindx == -1))
3843 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3844 int rs2 = insn & 0x1f;
3845 int rd = (insn >> 25) & 0x1f;
3848 relocation = SPARC_NOP;
3850 relocation = 0x80100000 | (insn & 0x3e00001f);
3851 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3855 case R_SPARC_TLS_IE_ADD:
3856 /* Totally useless relocation. */
3859 case R_SPARC_TLS_DTPOFF32:
3860 case R_SPARC_TLS_DTPOFF64:
3861 relocation -= dtpoff_base (info);
3868 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3869 because such sections are not SEC_ALLOC and thus ld.so will
3870 not process them. */
3871 if (unresolved_reloc
3872 && !((input_section->flags & SEC_DEBUGGING) != 0
3874 && _bfd_elf_section_offset (output_bfd, info, input_section,
3875 rel->r_offset) != (bfd_vma) -1)
3876 (*_bfd_error_handler)
3877 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3880 (long) rel->r_offset,
3882 h->root.root.string);
3884 r = bfd_reloc_continue;
3885 if (r_type == R_SPARC_OLO10)
3889 if (! ABI_64_P (output_bfd))
3892 relocation += rel->r_addend;
3893 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3895 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3896 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3897 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3899 r = bfd_check_overflow (howto->complain_on_overflow,
3900 howto->bitsize, howto->rightshift,
3901 bfd_arch_bits_per_address (input_bfd),
3904 else if (r_type == R_SPARC_WDISP16)
3908 relocation += rel->r_addend;
3909 relocation -= (input_section->output_section->vma
3910 + input_section->output_offset);
3911 relocation -= rel->r_offset;
3913 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3914 x |= ((((relocation >> 2) & 0xc000) << 6)
3915 | ((relocation >> 2) & 0x3fff));
3916 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3918 r = bfd_check_overflow (howto->complain_on_overflow,
3919 howto->bitsize, howto->rightshift,
3920 bfd_arch_bits_per_address (input_bfd),
3923 else if (r_type == R_SPARC_WDISP10)
3927 relocation += rel->r_addend;
3928 relocation -= (input_section->output_section->vma
3929 + input_section->output_offset);
3930 relocation -= rel->r_offset;
3932 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3933 x |= ((((relocation >> 2) & 0x300) << 11)
3934 | (((relocation >> 2) & 0xff) << 5));
3935 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3937 r = bfd_check_overflow (howto->complain_on_overflow,
3938 howto->bitsize, howto->rightshift,
3939 bfd_arch_bits_per_address (input_bfd),
3942 else if (r_type == R_SPARC_REV32)
3946 relocation = relocation + rel->r_addend;
3948 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3950 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3953 else if (r_type == R_SPARC_TLS_LDO_HIX22
3954 || r_type == R_SPARC_TLS_LE_HIX22)
3958 relocation += rel->r_addend;
3959 if (r_type == R_SPARC_TLS_LE_HIX22)
3960 relocation ^= MINUS_ONE;
3962 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3963 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3964 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3967 else if (r_type == R_SPARC_TLS_LDO_LOX10
3968 || r_type == R_SPARC_TLS_LE_LOX10)
3972 relocation += rel->r_addend;
3973 relocation &= 0x3ff;
3974 if (r_type == R_SPARC_TLS_LE_LOX10)
3975 relocation |= 0x1c00;
3977 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3978 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3979 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3983 else if (r_type == R_SPARC_HIX22
3984 || r_type == R_SPARC_GOTDATA_HIX22)
3988 relocation += rel->r_addend;
3989 if (r_type == R_SPARC_HIX22
3990 || (bfd_signed_vma) relocation < 0)
3991 relocation = relocation ^ MINUS_ONE;
3993 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3994 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3995 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3997 r = bfd_check_overflow (howto->complain_on_overflow,
3998 howto->bitsize, howto->rightshift,
3999 bfd_arch_bits_per_address (input_bfd),
4002 else if (r_type == R_SPARC_LOX10
4003 || r_type == R_SPARC_GOTDATA_LOX10)
4007 relocation += rel->r_addend;
4008 if (r_type == R_SPARC_LOX10
4009 || (bfd_signed_vma) relocation < 0)
4010 relocation = (relocation & 0x3ff) | 0x1c00;
4012 relocation = (relocation & 0x3ff);
4014 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4015 x = (x & ~(bfd_vma) 0x1fff) | relocation;
4016 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4020 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
4021 && sec_do_relax (input_section)
4022 && rel->r_offset + 4 < input_section->size)
4026 #define XCC (2 << 20)
4027 #define COND(x) (((x)&0xf)<<25)
4028 #define CONDA COND(0x8)
4029 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4030 #define INSN_BA (F2(0,2) | CONDA)
4031 #define INSN_OR F3(2, 0x2, 0)
4032 #define INSN_NOP F2(0,4)
4036 /* If the instruction is a call with either:
4038 arithmetic instruction with rd == %o7
4039 where rs1 != %o7 and rs2 if it is register != %o7
4040 then we can optimize if the call destination is near
4041 by changing the call into a branch always. */
4042 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
4043 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
4044 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
4046 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
4047 || ((y & OP3(0x28)) == 0 /* arithmetic */
4048 && (y & RD(~0)) == RD(O7)))
4049 && (y & RS1(~0)) != RS1(O7)
4051 || (y & RS2(~0)) != RS2(O7)))
4055 reloc = relocation + rel->r_addend - rel->r_offset;
4056 reloc -= (input_section->output_section->vma
4057 + input_section->output_offset);
4059 /* Ensure the branch fits into simm22. */
4060 if ((reloc & 3) == 0
4061 && ((reloc & ~(bfd_vma)0x7fffff) == 0
4062 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
4066 /* Check whether it fits into simm19. */
4067 if (((reloc & 0x3c0000) == 0
4068 || (reloc & 0x3c0000) == 0x3c0000)
4069 && (ABI_64_P (output_bfd)
4070 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
4071 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
4073 x = INSN_BA | (reloc & 0x3fffff); /* ba */
4074 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
4076 if (rel->r_offset >= 4
4077 && (y & (0xffffffff ^ RS1(~0)))
4078 == (INSN_OR | RD(O7) | RS2(G0)))
4083 z = bfd_get_32 (input_bfd,
4084 contents + rel->r_offset - 4);
4085 if ((z & (0xffffffff ^ RD(~0)))
4086 != (INSN_OR | RS1(O7) | RS2(G0)))
4094 If call foo was replaced with ba, replace
4095 or %rN, %g0, %o7 with nop. */
4097 reg = (y & RS1(~0)) >> 14;
4098 if (reg != ((z & RD(~0)) >> 25)
4099 || reg == G0 || reg == O7)
4102 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4103 contents + rel->r_offset + 4);
4111 if (r == bfd_reloc_continue)
4114 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4115 contents, rel->r_offset,
4116 relocation, rel->r_addend);
4118 if (r != bfd_reloc_ok)
4123 case bfd_reloc_outofrange:
4125 case bfd_reloc_overflow:
4129 /* The Solaris native linker silently disregards overflows.
4130 We don't, but this breaks stabs debugging info, whose
4131 relocations are only 32-bits wide. Ignore overflows in
4132 this case and also for discarded entries. */
4133 if ((r_type == R_SPARC_32
4134 || r_type == R_SPARC_UA32
4135 || r_type == R_SPARC_DISP32)
4136 && (((input_section->flags & SEC_DEBUGGING) != 0
4137 && strcmp (bfd_section_name (input_bfd,
4140 || _bfd_elf_section_offset (output_bfd, info,
4148 /* Assume this is a call protected by other code that
4149 detect the symbol is undefined. If this is the case,
4150 we can safely ignore the overflow. If not, the
4151 program is hosed anyway, and a little warning isn't
4153 if (h->root.type == bfd_link_hash_undefweak
4154 && howto->pc_relative)
4161 name = bfd_elf_string_from_elf_section (input_bfd,
4162 symtab_hdr->sh_link,
4167 name = bfd_section_name (input_bfd, sec);
4169 if (! ((*info->callbacks->reloc_overflow)
4170 (info, (h ? &h->root : NULL), name, howto->name,
4171 (bfd_vma) 0, input_bfd, input_section,
4183 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4184 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4185 is the offset of the associated .got.plt entry from
4186 _GLOBAL_OFFSET_TABLE_. */
4189 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4190 bfd_vma plt_offset, bfd_vma plt_index,
4194 const bfd_vma *plt_entry;
4195 struct _bfd_sparc_elf_link_hash_table *htab;
4197 Elf_Internal_Rela rela;
4199 htab = _bfd_sparc_elf_hash_table (info);
4200 BFD_ASSERT (htab != NULL);
4204 plt_entry = sparc_vxworks_shared_plt_entry;
4209 plt_entry = sparc_vxworks_exec_plt_entry;
4210 got_base = (htab->elf.hgot->root.u.def.value
4211 + htab->elf.hgot->root.u.def.section->output_offset
4212 + htab->elf.hgot->root.u.def.section->output_section->vma);
4215 /* Fill in the entry in the procedure linkage table. */
4216 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4217 htab->elf.splt->contents + plt_offset);
4218 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4219 htab->elf.splt->contents + plt_offset + 4);
4220 bfd_put_32 (output_bfd, plt_entry[2],
4221 htab->elf.splt->contents + plt_offset + 8);
4222 bfd_put_32 (output_bfd, plt_entry[3],
4223 htab->elf.splt->contents + plt_offset + 12);
4224 bfd_put_32 (output_bfd, plt_entry[4],
4225 htab->elf.splt->contents + plt_offset + 16);
4226 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4227 htab->elf.splt->contents + plt_offset + 20);
4228 /* PC-relative displacement for a branch to the start of
4230 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4232 htab->elf.splt->contents + plt_offset + 24);
4233 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4234 htab->elf.splt->contents + plt_offset + 28);
4236 /* Fill in the .got.plt entry, pointing initially at the
4237 second half of the PLT entry. */
4238 BFD_ASSERT (htab->elf.sgotplt != NULL);
4239 bfd_put_32 (output_bfd,
4240 htab->elf.splt->output_section->vma
4241 + htab->elf.splt->output_offset
4243 htab->elf.sgotplt->contents + got_offset);
4245 /* Add relocations to .rela.plt.unloaded. */
4248 loc = (htab->srelplt2->contents
4249 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4251 /* Relocate the initial sethi. */
4252 rela.r_offset = (htab->elf.splt->output_section->vma
4253 + htab->elf.splt->output_offset
4255 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4256 rela.r_addend = got_offset;
4257 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4258 loc += sizeof (Elf32_External_Rela);
4260 /* Likewise the following or. */
4262 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4263 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4264 loc += sizeof (Elf32_External_Rela);
4266 /* Relocate the .got.plt entry. */
4267 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4268 + htab->elf.sgotplt->output_offset
4270 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4271 rela.r_addend = plt_offset + 20;
4272 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4276 /* Finish up dynamic symbol handling. We set the contents of various
4277 dynamic sections here. */
4280 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4281 struct bfd_link_info *info,
4282 struct elf_link_hash_entry *h,
4283 Elf_Internal_Sym *sym)
4285 struct _bfd_sparc_elf_link_hash_table *htab;
4286 const struct elf_backend_data *bed;
4288 htab = _bfd_sparc_elf_hash_table (info);
4289 BFD_ASSERT (htab != NULL);
4290 bed = get_elf_backend_data (output_bfd);
4292 if (h->plt.offset != (bfd_vma) -1)
4296 Elf_Internal_Rela rela;
4298 bfd_vma r_offset, got_offset;
4301 /* When building a static executable, use .iplt and
4302 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4303 if (htab->elf.splt != NULL)
4305 splt = htab->elf.splt;
4306 srela = htab->elf.srelplt;
4310 splt = htab->elf.iplt;
4311 srela = htab->elf.irelplt;
4314 if (splt == NULL || srela == NULL)
4317 /* Fill in the entry in the .rela.plt section. */
4318 if (htab->is_vxworks)
4320 /* Work out the index of this PLT entry. */
4321 rela_index = ((h->plt.offset - htab->plt_header_size)
4322 / htab->plt_entry_size);
4324 /* Calculate the offset of the associated .got.plt entry.
4325 The first three entries are reserved. */
4326 got_offset = (rela_index + 3) * 4;
4328 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4329 rela_index, got_offset);
4332 /* On VxWorks, the relocation points to the .got.plt entry,
4333 not the .plt entry. */
4334 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4335 + htab->elf.sgotplt->output_offset
4338 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4343 bfd_boolean ifunc = FALSE;
4345 /* Fill in the entry in the procedure linkage table. */
4346 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4347 h->plt.offset, splt->size,
4352 || ((info->executable
4353 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4355 && h->type == STT_GNU_IFUNC))
4358 BFD_ASSERT (h == NULL
4359 || (h->type == STT_GNU_IFUNC
4361 && (h->root.type == bfd_link_hash_defined
4362 || h->root.type == bfd_link_hash_defweak)));
4365 rela.r_offset = r_offset
4366 + (splt->output_section->vma + splt->output_offset);
4367 if (ABI_64_P (output_bfd)
4368 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4372 rela.r_addend = (h->root.u.def.section->output_section->vma
4373 + h->root.u.def.section->output_offset
4374 + h->root.u.def.value);
4375 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4380 rela.r_addend = (-(h->plt.offset + 4)
4381 - splt->output_section->vma
4382 - splt->output_offset);
4383 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4391 rela.r_addend = (h->root.u.def.section->output_section->vma
4392 + h->root.u.def.section->output_offset
4393 + h->root.u.def.value);
4394 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4400 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4406 /* Adjust for the first 4 reserved elements in the .plt section
4407 when setting the offset in the .rela.plt section.
4408 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4409 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4411 loc = srela->contents;
4412 loc += rela_index * bed->s->sizeof_rela;
4413 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4415 if (!h->def_regular)
4417 /* Mark the symbol as undefined, rather than as defined in
4418 the .plt section. Leave the value alone. */
4419 sym->st_shndx = SHN_UNDEF;
4420 /* If the symbol is weak, we do need to clear the value.
4421 Otherwise, the PLT entry would provide a definition for
4422 the symbol even if the symbol wasn't defined anywhere,
4423 and so the symbol would never be NULL. */
4424 if (!h->ref_regular_nonweak)
4429 if (h->got.offset != (bfd_vma) -1
4430 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4431 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
4435 Elf_Internal_Rela rela;
4437 /* This symbol has an entry in the GOT. Set it up. */
4439 sgot = htab->elf.sgot;
4440 srela = htab->elf.srelgot;
4441 BFD_ASSERT (sgot != NULL && srela != NULL);
4443 rela.r_offset = (sgot->output_section->vma
4444 + sgot->output_offset
4445 + (h->got.offset &~ (bfd_vma) 1));
4447 /* If this is a -Bsymbolic link, and the symbol is defined
4448 locally, we just want to emit a RELATIVE reloc. Likewise if
4449 the symbol was forced to be local because of a version file.
4450 The entry in the global offset table will already have been
4451 initialized in the relocate_section function. */
4453 && h->type == STT_GNU_IFUNC
4458 /* We load the GOT entry with the PLT entry. */
4459 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4460 SPARC_ELF_PUT_WORD (htab, output_bfd,
4461 (plt->output_section->vma
4462 + plt->output_offset + h->plt.offset),
4463 htab->elf.sgot->contents
4464 + (h->got.offset & ~(bfd_vma) 1));
4467 else if (info->shared
4468 && SYMBOL_REFERENCES_LOCAL (info, h))
4470 asection *sec = h->root.u.def.section;
4471 if (h->type == STT_GNU_IFUNC)
4472 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4474 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4475 rela.r_addend = (h->root.u.def.value
4476 + sec->output_section->vma
4477 + sec->output_offset);
4481 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4485 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4486 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4487 sparc_elf_append_rela (output_bfd, srela, &rela);
4493 Elf_Internal_Rela rela;
4495 /* This symbols needs a copy reloc. Set it up. */
4496 BFD_ASSERT (h->dynindx != -1);
4498 s = bfd_get_linker_section (h->root.u.def.section->owner,
4500 BFD_ASSERT (s != NULL);
4502 rela.r_offset = (h->root.u.def.value
4503 + h->root.u.def.section->output_section->vma
4504 + h->root.u.def.section->output_offset);
4505 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4507 sparc_elf_append_rela (output_bfd, s, &rela);
4510 /* Mark some specially defined symbols as absolute. On VxWorks,
4511 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4512 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4514 && (strcmp (h->root.root.string, "_DYNAMIC") == 0
4515 || (!htab->is_vxworks
4516 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4517 sym->st_shndx = SHN_ABS;
4522 /* Finish up the dynamic sections. */
4525 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4526 bfd *dynobj, asection *sdyn,
4527 asection *splt ATTRIBUTE_UNUSED)
4529 struct _bfd_sparc_elf_link_hash_table *htab;
4530 const struct elf_backend_data *bed;
4531 bfd_byte *dyncon, *dynconend;
4533 int stt_regidx = -1;
4534 bfd_boolean abi_64_p;
4536 htab = _bfd_sparc_elf_hash_table (info);
4537 BFD_ASSERT (htab != NULL);
4538 bed = get_elf_backend_data (output_bfd);
4539 dynsize = bed->s->sizeof_dyn;
4540 dynconend = sdyn->contents + sdyn->size;
4541 abi_64_p = ABI_64_P (output_bfd);
4542 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4544 Elf_Internal_Dyn dyn;
4548 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4550 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
4552 /* On VxWorks, DT_RELASZ should not include the relocations
4554 if (htab->elf.srelplt)
4556 dyn.d_un.d_val -= htab->elf.srelplt->size;
4557 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4560 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4562 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4563 not to the start of the PLT. */
4564 if (htab->elf.sgotplt)
4566 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4567 + htab->elf.sgotplt->output_offset);
4568 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4571 else if (htab->is_vxworks
4572 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4573 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4574 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4576 if (stt_regidx == -1)
4579 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4580 if (stt_regidx == -1)
4583 dyn.d_un.d_val = stt_regidx++;
4584 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4590 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
4591 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
4592 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
4593 default: name = NULL; size = FALSE; break;
4600 s = bfd_get_section_by_name (output_bfd, name);
4606 dyn.d_un.d_ptr = s->vma;
4608 dyn.d_un.d_val = s->size;
4610 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4617 /* Install the first PLT entry in a VxWorks executable and make sure that
4618 .rela.plt.unloaded relocations have the correct symbol indexes. */
4621 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4623 struct _bfd_sparc_elf_link_hash_table *htab;
4624 Elf_Internal_Rela rela;
4628 htab = _bfd_sparc_elf_hash_table (info);
4629 BFD_ASSERT (htab != NULL);
4631 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4632 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4633 + htab->elf.hgot->root.u.def.section->output_offset
4634 + htab->elf.hgot->root.u.def.value);
4636 /* Install the initial PLT entry. */
4637 bfd_put_32 (output_bfd,
4638 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4639 htab->elf.splt->contents);
4640 bfd_put_32 (output_bfd,
4641 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4642 htab->elf.splt->contents + 4);
4643 bfd_put_32 (output_bfd,
4644 sparc_vxworks_exec_plt0_entry[2],
4645 htab->elf.splt->contents + 8);
4646 bfd_put_32 (output_bfd,
4647 sparc_vxworks_exec_plt0_entry[3],
4648 htab->elf.splt->contents + 12);
4649 bfd_put_32 (output_bfd,
4650 sparc_vxworks_exec_plt0_entry[4],
4651 htab->elf.splt->contents + 16);
4653 loc = htab->srelplt2->contents;
4655 /* Add an unloaded relocation for the initial entry's "sethi". */
4656 rela.r_offset = (htab->elf.splt->output_section->vma
4657 + htab->elf.splt->output_offset);
4658 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4660 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4661 loc += sizeof (Elf32_External_Rela);
4663 /* Likewise the following "or". */
4665 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4666 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4667 loc += sizeof (Elf32_External_Rela);
4669 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4670 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4671 in which symbols were output. */
4672 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4674 Elf_Internal_Rela rel;
4676 /* The entry's initial "sethi" (against _G_O_T_). */
4677 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4678 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4679 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4680 loc += sizeof (Elf32_External_Rela);
4682 /* The following "or" (also against _G_O_T_). */
4683 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4684 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4685 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4686 loc += sizeof (Elf32_External_Rela);
4688 /* The .got.plt entry (against _P_L_T_). */
4689 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4690 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4691 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4692 loc += sizeof (Elf32_External_Rela);
4696 /* Install the first PLT entry in a VxWorks shared object. */
4699 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4701 struct _bfd_sparc_elf_link_hash_table *htab;
4704 htab = _bfd_sparc_elf_hash_table (info);
4705 BFD_ASSERT (htab != NULL);
4707 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4708 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4709 htab->elf.splt->contents + i * 4);
4712 /* Finish up local dynamic symbol handling. We set the contents of
4713 various dynamic sections here. */
4716 finish_local_dynamic_symbol (void **slot, void *inf)
4718 struct elf_link_hash_entry *h
4719 = (struct elf_link_hash_entry *) *slot;
4720 struct bfd_link_info *info
4721 = (struct bfd_link_info *) inf;
4723 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4728 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4732 struct _bfd_sparc_elf_link_hash_table *htab;
4734 htab = _bfd_sparc_elf_hash_table (info);
4735 BFD_ASSERT (htab != NULL);
4736 dynobj = htab->elf.dynobj;
4738 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
4740 if (elf_hash_table (info)->dynamic_sections_created)
4744 splt = htab->elf.splt;
4745 BFD_ASSERT (splt != NULL && sdyn != NULL);
4747 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4750 /* Initialize the contents of the .plt section. */
4753 if (htab->is_vxworks)
4756 sparc_vxworks_finish_shared_plt (output_bfd, info);
4758 sparc_vxworks_finish_exec_plt (output_bfd, info);
4762 memset (splt->contents, 0, htab->plt_header_size);
4763 if (!ABI_64_P (output_bfd))
4764 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4765 splt->contents + splt->size - 4);
4769 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4770 = (htab->is_vxworks || !ABI_64_P (output_bfd))
4771 ? 0 : htab->plt_entry_size;
4774 /* Set the first entry in the global offset table to the address of
4775 the dynamic section. */
4776 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4778 bfd_vma val = (sdyn ?
4779 sdyn->output_section->vma + sdyn->output_offset :
4782 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4786 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4787 SPARC_ELF_WORD_BYTES (htab);
4789 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4790 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4796 /* Set the right machine number for a SPARC ELF file. */
4799 _bfd_sparc_elf_object_p (bfd *abfd)
4801 if (ABI_64_P (abfd))
4803 unsigned long mach = bfd_mach_sparc_v9;
4805 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4806 mach = bfd_mach_sparc_v9b;
4807 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4808 mach = bfd_mach_sparc_v9a;
4809 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4813 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4815 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4816 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4817 bfd_mach_sparc_v8plusb);
4818 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4819 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4820 bfd_mach_sparc_v8plusa);
4821 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4822 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4823 bfd_mach_sparc_v8plus);
4827 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4828 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4829 bfd_mach_sparc_sparclite_le);
4831 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4835 /* Return address for Ith PLT stub in section PLT, for relocation REL
4836 or (bfd_vma) -1 if it should not be included. */
4839 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4841 if (ABI_64_P (plt->owner))
4845 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4846 if (i < PLT64_LARGE_THRESHOLD)
4847 return plt->vma + i * PLT64_ENTRY_SIZE;
4849 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4851 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4854 return rel->address;
4857 /* Merge backend specific data from an object file to the output
4858 object file when linking. */
4861 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4863 obj_attribute *in_attr, *in_attrs;
4864 obj_attribute *out_attr, *out_attrs;
4866 if (!elf_known_obj_attributes_proc (obfd)[0].i)
4868 /* This is the first object. Copy the attributes. */
4869 _bfd_elf_copy_obj_attributes (ibfd, obfd);
4871 /* Use the Tag_null value to indicate the attributes have been
4873 elf_known_obj_attributes_proc (obfd)[0].i = 1;
4878 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
4879 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
4881 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
4882 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
4884 out_attr->i |= in_attr->i;
4886 /* Merge Tag_compatibility attributes and any common GNU ones. */
4887 _bfd_elf_merge_object_attributes (ibfd, obfd);