1 /* SPARC-specific support for ELF
2 Copyright 2005 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20 /* This file handles functionality common to the different SPARC ABI's. */
27 #include "elf/sparc.h"
28 #include "opcode/sparc.h"
29 #include "elfxx-sparc.h"
31 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
32 #define MINUS_ONE (~ (bfd_vma) 0)
34 #define ABI_64_P(abfd) \
35 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
37 /* The relocation "howto" table. */
39 /* Utility for performing the standard initial work of an instruction
41 *PRELOCATION will contain the relocated item.
42 *PINSN will contain the instruction from the input stream.
43 If the result is `bfd_reloc_other' the caller can continue with
44 performing the relocation. Otherwise it must stop and return the
45 value to its caller. */
47 static bfd_reloc_status_type
48 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
49 PTR data, asection *input_section, bfd *output_bfd,
50 bfd_vma *prelocation, bfd_vma *pinsn)
53 reloc_howto_type *howto = reloc_entry->howto;
55 if (output_bfd != (bfd *) NULL
56 && (symbol->flags & BSF_SECTION_SYM) == 0
57 && (! howto->partial_inplace
58 || reloc_entry->addend == 0))
60 reloc_entry->address += input_section->output_offset;
64 /* This works because partial_inplace is FALSE. */
65 if (output_bfd != NULL)
66 return bfd_reloc_continue;
68 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
69 return bfd_reloc_outofrange;
71 relocation = (symbol->value
72 + symbol->section->output_section->vma
73 + symbol->section->output_offset);
74 relocation += reloc_entry->addend;
75 if (howto->pc_relative)
77 relocation -= (input_section->output_section->vma
78 + input_section->output_offset);
79 relocation -= reloc_entry->address;
82 *prelocation = relocation;
83 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
84 return bfd_reloc_other;
87 /* For unsupported relocs. */
89 static bfd_reloc_status_type
90 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
91 arelent *reloc_entry ATTRIBUTE_UNUSED,
92 asymbol *symbol ATTRIBUTE_UNUSED,
93 PTR data ATTRIBUTE_UNUSED,
94 asection *input_section ATTRIBUTE_UNUSED,
95 bfd *output_bfd ATTRIBUTE_UNUSED,
96 char **error_message ATTRIBUTE_UNUSED)
98 return bfd_reloc_notsupported;
101 /* Handle the WDISP16 reloc. */
103 static bfd_reloc_status_type
104 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
105 PTR data, asection *input_section, bfd *output_bfd,
106 char **error_message ATTRIBUTE_UNUSED)
110 bfd_reloc_status_type status;
112 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
113 input_section, output_bfd, &relocation, &insn);
114 if (status != bfd_reloc_other)
117 insn &= ~ (bfd_vma) 0x303fff;
118 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
119 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
121 if ((bfd_signed_vma) relocation < - 0x40000
122 || (bfd_signed_vma) relocation > 0x3ffff)
123 return bfd_reloc_overflow;
128 /* Handle the HIX22 reloc. */
130 static bfd_reloc_status_type
131 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
132 PTR data, asection *input_section, bfd *output_bfd,
133 char **error_message ATTRIBUTE_UNUSED)
137 bfd_reloc_status_type status;
139 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
140 input_section, output_bfd, &relocation, &insn);
141 if (status != bfd_reloc_other)
144 relocation ^= MINUS_ONE;
145 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
146 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
148 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
149 return bfd_reloc_overflow;
154 /* Handle the LOX10 reloc. */
156 static bfd_reloc_status_type
157 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
158 PTR data, asection *input_section, bfd *output_bfd,
159 char **error_message ATTRIBUTE_UNUSED)
163 bfd_reloc_status_type status;
165 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
166 input_section, output_bfd, &relocation, &insn);
167 if (status != bfd_reloc_other)
170 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
171 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
176 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
178 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
179 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
180 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
181 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
182 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
183 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
184 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
185 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
186 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
187 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
188 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
189 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
190 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
191 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
192 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
193 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
194 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
195 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
196 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
197 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
198 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),
199 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),
200 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
201 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
202 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
203 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
204 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
205 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
206 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
207 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
208 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
209 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
210 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
211 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
212 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
213 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
214 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
215 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),
216 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),
217 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),
218 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
219 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
220 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),
221 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
222 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
223 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
224 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
225 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
226 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
227 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
228 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
229 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
230 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
231 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
232 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
233 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
234 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),
235 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),
236 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),
237 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),
238 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),
239 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),
240 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),
241 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),
242 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),
243 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),
244 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),
245 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),
246 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),
247 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),
248 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),
249 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),
250 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),
251 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),
252 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),
253 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),
254 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),
255 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),
256 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),
257 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)
259 static reloc_howto_type sparc_vtinherit_howto =
260 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
261 static reloc_howto_type sparc_vtentry_howto =
262 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);
263 static reloc_howto_type sparc_rev32_howto =
264 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
266 struct elf_reloc_map {
267 bfd_reloc_code_real_type bfd_reloc_val;
268 unsigned char elf_reloc_val;
271 static const struct elf_reloc_map sparc_reloc_map[] =
273 { BFD_RELOC_NONE, R_SPARC_NONE, },
274 { BFD_RELOC_16, R_SPARC_16, },
275 { BFD_RELOC_16_PCREL, R_SPARC_DISP16 },
276 { BFD_RELOC_8, R_SPARC_8 },
277 { BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
278 { BFD_RELOC_CTOR, R_SPARC_64 },
279 { BFD_RELOC_32, R_SPARC_32 },
280 { BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
281 { BFD_RELOC_HI22, R_SPARC_HI22 },
282 { BFD_RELOC_LO10, R_SPARC_LO10, },
283 { BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
284 { BFD_RELOC_64_PCREL, R_SPARC_DISP64 },
285 { BFD_RELOC_SPARC22, R_SPARC_22 },
286 { BFD_RELOC_SPARC13, R_SPARC_13 },
287 { BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
288 { BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
289 { BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
290 { BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
291 { BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
292 { BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
293 { BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
294 { BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
295 { BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
296 { BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
297 { BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
298 { BFD_RELOC_SPARC_UA16, R_SPARC_UA16 },
299 { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 },
300 { BFD_RELOC_SPARC_UA64, R_SPARC_UA64 },
301 { BFD_RELOC_SPARC_10, R_SPARC_10 },
302 { BFD_RELOC_SPARC_11, R_SPARC_11 },
303 { BFD_RELOC_SPARC_64, R_SPARC_64 },
304 { BFD_RELOC_SPARC_OLO10, R_SPARC_OLO10 },
305 { BFD_RELOC_SPARC_HH22, R_SPARC_HH22 },
306 { BFD_RELOC_SPARC_HM10, R_SPARC_HM10 },
307 { BFD_RELOC_SPARC_LM22, R_SPARC_LM22 },
308 { BFD_RELOC_SPARC_PC_HH22, R_SPARC_PC_HH22 },
309 { BFD_RELOC_SPARC_PC_HM10, R_SPARC_PC_HM10 },
310 { BFD_RELOC_SPARC_PC_LM22, R_SPARC_PC_LM22 },
311 { BFD_RELOC_SPARC_WDISP16, R_SPARC_WDISP16 },
312 { BFD_RELOC_SPARC_WDISP19, R_SPARC_WDISP19 },
313 { BFD_RELOC_SPARC_7, R_SPARC_7 },
314 { BFD_RELOC_SPARC_5, R_SPARC_5 },
315 { BFD_RELOC_SPARC_6, R_SPARC_6 },
316 { BFD_RELOC_SPARC_DISP64, R_SPARC_DISP64 },
317 { BFD_RELOC_SPARC_TLS_GD_HI22, R_SPARC_TLS_GD_HI22 },
318 { BFD_RELOC_SPARC_TLS_GD_LO10, R_SPARC_TLS_GD_LO10 },
319 { BFD_RELOC_SPARC_TLS_GD_ADD, R_SPARC_TLS_GD_ADD },
320 { BFD_RELOC_SPARC_TLS_GD_CALL, R_SPARC_TLS_GD_CALL },
321 { BFD_RELOC_SPARC_TLS_LDM_HI22, R_SPARC_TLS_LDM_HI22 },
322 { BFD_RELOC_SPARC_TLS_LDM_LO10, R_SPARC_TLS_LDM_LO10 },
323 { BFD_RELOC_SPARC_TLS_LDM_ADD, R_SPARC_TLS_LDM_ADD },
324 { BFD_RELOC_SPARC_TLS_LDM_CALL, R_SPARC_TLS_LDM_CALL },
325 { BFD_RELOC_SPARC_TLS_LDO_HIX22, R_SPARC_TLS_LDO_HIX22 },
326 { BFD_RELOC_SPARC_TLS_LDO_LOX10, R_SPARC_TLS_LDO_LOX10 },
327 { BFD_RELOC_SPARC_TLS_LDO_ADD, R_SPARC_TLS_LDO_ADD },
328 { BFD_RELOC_SPARC_TLS_IE_HI22, R_SPARC_TLS_IE_HI22 },
329 { BFD_RELOC_SPARC_TLS_IE_LO10, R_SPARC_TLS_IE_LO10 },
330 { BFD_RELOC_SPARC_TLS_IE_LD, R_SPARC_TLS_IE_LD },
331 { BFD_RELOC_SPARC_TLS_IE_LDX, R_SPARC_TLS_IE_LDX },
332 { BFD_RELOC_SPARC_TLS_IE_ADD, R_SPARC_TLS_IE_ADD },
333 { BFD_RELOC_SPARC_TLS_LE_HIX22, R_SPARC_TLS_LE_HIX22 },
334 { BFD_RELOC_SPARC_TLS_LE_LOX10, R_SPARC_TLS_LE_LOX10 },
335 { BFD_RELOC_SPARC_TLS_DTPMOD32, R_SPARC_TLS_DTPMOD32 },
336 { BFD_RELOC_SPARC_TLS_DTPMOD64, R_SPARC_TLS_DTPMOD64 },
337 { BFD_RELOC_SPARC_TLS_DTPOFF32, R_SPARC_TLS_DTPOFF32 },
338 { BFD_RELOC_SPARC_TLS_DTPOFF64, R_SPARC_TLS_DTPOFF64 },
339 { BFD_RELOC_SPARC_TLS_TPOFF32, R_SPARC_TLS_TPOFF32 },
340 { BFD_RELOC_SPARC_TLS_TPOFF64, R_SPARC_TLS_TPOFF64 },
341 { BFD_RELOC_SPARC_PLT32, R_SPARC_PLT32 },
342 { BFD_RELOC_SPARC_PLT64, R_SPARC_PLT64 },
343 { BFD_RELOC_SPARC_HIX22, R_SPARC_HIX22 },
344 { BFD_RELOC_SPARC_LOX10, R_SPARC_LOX10 },
345 { BFD_RELOC_SPARC_H44, R_SPARC_H44 },
346 { BFD_RELOC_SPARC_M44, R_SPARC_M44 },
347 { BFD_RELOC_SPARC_L44, R_SPARC_L44 },
348 { BFD_RELOC_SPARC_REGISTER, R_SPARC_REGISTER },
349 { BFD_RELOC_VTABLE_INHERIT, R_SPARC_GNU_VTINHERIT },
350 { BFD_RELOC_VTABLE_ENTRY, R_SPARC_GNU_VTENTRY },
351 { BFD_RELOC_SPARC_REV32, R_SPARC_REV32 },
355 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
356 bfd_reloc_code_real_type code)
362 case BFD_RELOC_VTABLE_INHERIT:
363 return &sparc_vtinherit_howto;
365 case BFD_RELOC_VTABLE_ENTRY:
366 return &sparc_vtentry_howto;
368 case BFD_RELOC_SPARC_REV32:
369 return &sparc_rev32_howto;
373 i < sizeof (sparc_reloc_map) / sizeof (struct elf_reloc_map);
376 if (sparc_reloc_map[i].bfd_reloc_val == code)
377 return (_bfd_sparc_elf_howto_table
378 + (int) sparc_reloc_map[i].elf_reloc_val);
381 bfd_set_error (bfd_error_bad_value);
386 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
390 case R_SPARC_GNU_VTINHERIT:
391 return &sparc_vtinherit_howto;
393 case R_SPARC_GNU_VTENTRY:
394 return &sparc_vtentry_howto;
397 return &sparc_rev32_howto;
400 BFD_ASSERT (r_type < (unsigned int) R_SPARC_max_std);
401 return &_bfd_sparc_elf_howto_table[r_type];
405 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
406 so just take advantage of that. */
407 #define SPARC_ELF_R_TYPE(r_info) \
411 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
412 Elf_Internal_Rela *dst)
414 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
416 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
420 /* The nop opcode we use. */
421 #define SPARC_NOP 0x01000000
423 #define SPARC_INSN_BYTES 4
425 /* The SPARC linker needs to keep track of the number of relocs that it
426 decides to copy as dynamic relocs in check_relocs for each symbol.
427 This is so that it can later discard them if they are found to be
428 unnecessary. We store the information in a field extending the
429 regular ELF linker hash table. */
431 struct _bfd_sparc_elf_dyn_relocs
433 struct _bfd_sparc_elf_dyn_relocs *next;
435 /* The input section of the reloc. */
438 /* Total number of relocs copied for the input section. */
441 /* Number of pc-relative relocs copied for the input section. */
442 bfd_size_type pc_count;
445 /* SPARC ELF linker hash entry. */
447 struct _bfd_sparc_elf_link_hash_entry
449 struct elf_link_hash_entry elf;
451 /* Track dynamic relocs copied for this symbol. */
452 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
454 #define GOT_UNKNOWN 0
458 unsigned char tls_type;
461 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
463 struct _bfd_sparc_elf_obj_tdata
465 struct elf_obj_tdata root;
467 /* tls_type for each local got entry. */
468 char *local_got_tls_type;
470 /* TRUE if TLS GD relocs has been seen for this object. */
471 bfd_boolean has_tlsgd;
474 #define _bfd_sparc_elf_tdata(abfd) \
475 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
477 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
478 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
481 _bfd_sparc_elf_mkobject (bfd *abfd)
483 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_obj_tdata);
484 abfd->tdata.any = bfd_zalloc (abfd, amt);
485 if (abfd->tdata.any == NULL)
491 sparc_put_word_32 (bfd *bfd, bfd_vma val, void *ptr)
493 bfd_put_32 (bfd, val, ptr);
497 sparc_put_word_64 (bfd *bfd, bfd_vma val, void *ptr)
499 bfd_put_64 (bfd, val, ptr);
503 sparc_elf_append_rela_64 (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
505 Elf64_External_Rela *loc64;
507 loc64 = (Elf64_External_Rela *) s->contents;
508 loc64 += s->reloc_count++;
509 bfd_elf64_swap_reloca_out (abfd, rel, (bfd_byte *) loc64);
513 sparc_elf_append_rela_32 (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
515 Elf32_External_Rela *loc32;
517 loc32 = (Elf32_External_Rela *) s->contents;
518 loc32 += s->reloc_count++;
519 bfd_elf32_swap_reloca_out (abfd, rel, (bfd_byte *) loc32);
523 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel, bfd_vma index, bfd_vma type)
525 return ELF64_R_INFO (index,
527 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
532 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
533 bfd_vma index, bfd_vma type)
535 return ELF32_R_INFO (index, type);
539 sparc_elf_r_symndx_64 (bfd_vma r_info)
541 bfd_vma r_symndx = ELF32_R_SYM (r_info);
542 return (r_symndx >> 24);
546 sparc_elf_r_symndx_32 (bfd_vma r_info)
548 return ELF32_R_SYM (r_info);
553 #define PLT32_ENTRY_SIZE 12
554 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
556 /* The first four entries in a 32-bit procedure linkage table are reserved,
557 and the initial contents are unimportant (we zero them out).
558 Subsequent entries look like this. See the SVR4 ABI SPARC
559 supplement to see how this works. */
561 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
562 #define PLT32_ENTRY_WORD0 0x03000000
563 /* b,a .plt0. We fill in the offset later. */
564 #define PLT32_ENTRY_WORD1 0x30800000
566 #define PLT32_ENTRY_WORD2 SPARC_NOP
569 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
570 bfd_vma max ATTRIBUTE_UNUSED,
573 bfd_put_32 (output_bfd,
574 PLT32_ENTRY_WORD0 + offset,
575 splt->contents + offset);
576 bfd_put_32 (output_bfd,
578 + (((- (offset + 4)) >> 2) & 0x3fffff)),
579 splt->contents + offset + 4);
580 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
581 splt->contents + offset + 8);
585 return offset / PLT32_ENTRY_SIZE - 4;
588 /* Both the headers and the entries are icache aligned. */
589 #define PLT64_ENTRY_SIZE 32
590 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
591 #define PLT64_LARGE_THRESHOLD 32768
594 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
595 bfd_vma max, bfd_vma *r_offset)
597 unsigned char *entry = splt->contents + offset;
598 const unsigned int nop = SPARC_NOP;
601 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
603 unsigned int sethi, ba;
607 index = (offset / PLT64_ENTRY_SIZE);
609 sethi = 0x03000000 | (index * PLT64_ENTRY_SIZE);
611 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
613 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
614 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
615 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
616 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
617 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
618 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
619 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
620 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
626 int block, last_block, ofs, last_ofs, chunks_this_block;
627 const int insn_chunk_size = (6 * 4);
628 const int ptr_chunk_size = (1 * 8);
629 const int entries_per_block = 160;
630 const int block_size = entries_per_block * (insn_chunk_size
633 /* Entries 32768 and higher are grouped into blocks of 160.
634 The blocks are further subdivided into 160 sequences of
635 6 instructions and 160 pointers. If a block does not require
636 the full 160 entries, let's say it requires N, then there
637 will be N sequences of 6 instructions and N pointers. */
639 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
640 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
642 block = offset / block_size;
643 last_block = max / block_size;
644 if (block != last_block)
646 chunks_this_block = 160;
650 last_ofs = max % block_size;
651 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
654 ofs = offset % block_size;
656 index = (PLT64_LARGE_THRESHOLD +
658 (ofs / insn_chunk_size));
661 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
662 + (block * block_size)
663 + (chunks_this_block * insn_chunk_size)
664 + (ofs / insn_chunk_size) * ptr_chunk_size;
666 *r_offset = (bfd_vma) (ptr - splt->contents);
668 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
676 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
677 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
678 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
679 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
680 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
681 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
683 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
689 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
690 htab->put_word(bfd, val, ptr)
692 #define SPARC_ELF_APPEND_RELA(htab, bfd, sec, rela) \
693 htab->append_rela(bfd, sec, rela)
695 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
696 htab->r_info(in_rel, index, type)
698 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
699 htab->r_symndx(r_info)
701 #define SPARC_ELF_WORD_BYTES(htab) \
704 #define SPARC_ELF_RELA_BYTES(htab) \
707 #define SPARC_ELF_DTPOFF_RELOC(htab) \
710 #define SPARC_ELF_DTPMOD_RELOC(htab) \
713 #define SPARC_ELF_TPOFF_RELOC(htab) \
716 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
717 htab->build_plt_entry (obfd, splt, off, max, r_off)
719 /* Create an entry in an SPARC ELF linker hash table. */
721 static struct bfd_hash_entry *
722 link_hash_newfunc (struct bfd_hash_entry *entry,
723 struct bfd_hash_table *table, const char *string)
725 /* Allocate the structure if it has not already been allocated by a
729 entry = bfd_hash_allocate (table,
730 sizeof (struct _bfd_sparc_elf_link_hash_entry));
735 /* Call the allocation method of the superclass. */
736 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
739 struct _bfd_sparc_elf_link_hash_entry *eh;
741 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
742 eh->dyn_relocs = NULL;
743 eh->tls_type = GOT_UNKNOWN;
749 /* The name of the dynamic interpreter. This is put in the .interp
752 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
753 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
755 /* Create a SPARC ELF linker hash table. */
757 struct bfd_link_hash_table *
758 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
760 struct _bfd_sparc_elf_link_hash_table *ret;
761 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
763 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
769 ret->put_word = sparc_put_word_64;
770 ret->append_rela = sparc_elf_append_rela_64;
771 ret->r_info = sparc_elf_r_info_64;
772 ret->r_symndx = sparc_elf_r_symndx_64;
773 ret->build_plt_entry = sparc64_plt_entry_build;
774 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
775 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
776 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
777 ret->word_align_power = 3;
778 ret->align_power_max = 4;
779 ret->bytes_per_word = 8;
780 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
781 ret->dynamic_interpreter =
782 (const unsigned char *) ELF64_DYNAMIC_INTERPRETER;
783 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
787 ret->put_word = sparc_put_word_32;
788 ret->append_rela = sparc_elf_append_rela_32;
789 ret->r_info = sparc_elf_r_info_32;
790 ret->r_symndx = sparc_elf_r_symndx_32;
791 ret->build_plt_entry = sparc32_plt_entry_build;
792 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
793 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
794 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
795 ret->word_align_power = 2;
796 ret->align_power_max = 3;
797 ret->bytes_per_word = 4;
798 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
799 ret->dynamic_interpreter =
800 (const unsigned char *) ELF32_DYNAMIC_INTERPRETER;
801 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
804 if (! _bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc))
810 return &ret->elf.root;
813 /* Create .got and .rela.got sections in DYNOBJ, and set up
814 shortcuts to them in our hash table. */
817 create_got_section (bfd *dynobj, struct bfd_link_info *info)
819 struct _bfd_sparc_elf_link_hash_table *htab;
821 if (! _bfd_elf_create_got_section (dynobj, info))
824 htab = _bfd_sparc_elf_hash_table (info);
825 htab->sgot = bfd_get_section_by_name (dynobj, ".got");
826 BFD_ASSERT (htab->sgot != NULL);
828 htab->srelgot = bfd_make_section (dynobj, ".rela.got");
829 if (htab->srelgot == NULL
830 || ! bfd_set_section_flags (dynobj, htab->srelgot, SEC_ALLOC
836 || ! bfd_set_section_alignment (dynobj, htab->srelgot,
837 htab->word_align_power))
842 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
843 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
847 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
848 struct bfd_link_info *info)
850 struct _bfd_sparc_elf_link_hash_table *htab;
852 htab = _bfd_sparc_elf_hash_table (info);
853 if (!htab->sgot && !create_got_section (dynobj, info))
856 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
859 htab->splt = bfd_get_section_by_name (dynobj, ".plt");
860 htab->srelplt = bfd_get_section_by_name (dynobj, ".rela.plt");
861 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
863 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
865 if (!htab->splt || !htab->srelplt || !htab->sdynbss
866 || (!info->shared && !htab->srelbss))
872 /* Copy the extra info we tack onto an elf_link_hash_entry. */
875 _bfd_sparc_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
876 struct elf_link_hash_entry *dir,
877 struct elf_link_hash_entry *ind)
879 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
881 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
882 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
884 if (eind->dyn_relocs != NULL)
886 if (edir->dyn_relocs != NULL)
888 struct _bfd_sparc_elf_dyn_relocs **pp;
889 struct _bfd_sparc_elf_dyn_relocs *p;
891 if (ind->root.type == bfd_link_hash_indirect)
894 /* Add reloc counts against the weak sym to the strong sym
895 list. Merge any entries against the same section. */
896 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
898 struct _bfd_sparc_elf_dyn_relocs *q;
900 for (q = edir->dyn_relocs; q != NULL; q = q->next)
901 if (q->sec == p->sec)
903 q->pc_count += p->pc_count;
904 q->count += p->count;
911 *pp = edir->dyn_relocs;
914 edir->dyn_relocs = eind->dyn_relocs;
915 eind->dyn_relocs = NULL;
918 if (ind->root.type == bfd_link_hash_indirect
919 && dir->got.refcount <= 0)
921 edir->tls_type = eind->tls_type;
922 eind->tls_type = GOT_UNKNOWN;
924 _bfd_elf_link_hash_copy_indirect (bed, dir, ind);
928 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
929 int r_type, int is_local)
931 if (! ABI_64_P (abfd)
932 && r_type == R_SPARC_TLS_GD_HI22
933 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
934 r_type = R_SPARC_REV32;
941 case R_SPARC_TLS_GD_HI22:
943 return R_SPARC_TLS_LE_HIX22;
944 return R_SPARC_TLS_IE_HI22;
945 case R_SPARC_TLS_GD_LO10:
947 return R_SPARC_TLS_LE_LOX10;
948 return R_SPARC_TLS_IE_LO10;
949 case R_SPARC_TLS_IE_HI22:
951 return R_SPARC_TLS_LE_HIX22;
953 case R_SPARC_TLS_IE_LO10:
955 return R_SPARC_TLS_LE_LOX10;
957 case R_SPARC_TLS_LDM_HI22:
958 return R_SPARC_TLS_LE_HIX22;
959 case R_SPARC_TLS_LDM_LO10:
960 return R_SPARC_TLS_LE_LOX10;
966 /* Look through the relocs for a section during the first phase, and
967 allocate space in the global offset table or procedure linkage
971 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
972 asection *sec, const Elf_Internal_Rela *relocs)
974 struct _bfd_sparc_elf_link_hash_table *htab;
975 Elf_Internal_Shdr *symtab_hdr;
976 struct elf_link_hash_entry **sym_hashes;
977 bfd_vma *local_got_offsets;
978 const Elf_Internal_Rela *rel;
979 const Elf_Internal_Rela *rel_end;
982 bfd_boolean checked_tlsgd = FALSE;
984 if (info->relocatable)
987 htab = _bfd_sparc_elf_hash_table (info);
988 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
989 sym_hashes = elf_sym_hashes (abfd);
990 local_got_offsets = elf_local_got_offsets (abfd);
995 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (sec)->rel_hdr);
997 num_relocs = sec->reloc_count;
998 rel_end = relocs + num_relocs;
999 for (rel = relocs; rel < rel_end; rel++)
1001 unsigned int r_type;
1002 unsigned long r_symndx;
1003 struct elf_link_hash_entry *h;
1005 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1006 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1008 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1010 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
1015 if (r_symndx < symtab_hdr->sh_info)
1018 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1020 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1021 with R_SPARC_TLS_GD_HI22. */
1022 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1025 case R_SPARC_TLS_GD_HI22:
1027 const Elf_Internal_Rela *relt;
1029 for (relt = rel + 1; relt < rel_end; relt++)
1030 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1031 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1032 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1034 checked_tlsgd = TRUE;
1035 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1038 case R_SPARC_TLS_GD_LO10:
1039 case R_SPARC_TLS_GD_ADD:
1040 case R_SPARC_TLS_GD_CALL:
1041 checked_tlsgd = TRUE;
1042 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1046 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1049 case R_SPARC_TLS_LDM_HI22:
1050 case R_SPARC_TLS_LDM_LO10:
1051 htab->tls_ldm_got.refcount += 1;
1054 case R_SPARC_TLS_LE_HIX22:
1055 case R_SPARC_TLS_LE_LOX10:
1060 case R_SPARC_TLS_IE_HI22:
1061 case R_SPARC_TLS_IE_LO10:
1063 info->flags |= DF_STATIC_TLS;
1069 case R_SPARC_TLS_GD_HI22:
1070 case R_SPARC_TLS_GD_LO10:
1071 /* This symbol requires a global offset table entry. */
1073 int tls_type, old_tls_type;
1081 tls_type = GOT_NORMAL;
1083 case R_SPARC_TLS_GD_HI22:
1084 case R_SPARC_TLS_GD_LO10:
1085 tls_type = GOT_TLS_GD;
1087 case R_SPARC_TLS_IE_HI22:
1088 case R_SPARC_TLS_IE_LO10:
1089 tls_type = GOT_TLS_IE;
1095 h->got.refcount += 1;
1096 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1100 bfd_signed_vma *local_got_refcounts;
1102 /* This is a global offset table entry for a local symbol. */
1103 local_got_refcounts = elf_local_got_refcounts (abfd);
1104 if (local_got_refcounts == NULL)
1108 size = symtab_hdr->sh_info;
1109 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1110 local_got_refcounts = ((bfd_signed_vma *)
1111 bfd_zalloc (abfd, size));
1112 if (local_got_refcounts == NULL)
1114 elf_local_got_refcounts (abfd) = local_got_refcounts;
1115 _bfd_sparc_elf_local_got_tls_type (abfd)
1116 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1118 local_got_refcounts[r_symndx] += 1;
1119 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1122 /* If a TLS symbol is accessed using IE at least once,
1123 there is no point to use dynamic model for it. */
1124 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1125 && (old_tls_type != GOT_TLS_GD
1126 || tls_type != GOT_TLS_IE))
1128 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1129 tls_type = old_tls_type;
1132 (*_bfd_error_handler)
1133 (_("%B: `%s' accessed both as normal and thread local symbol"),
1134 abfd, h ? h->root.root.string : "<local>");
1139 if (old_tls_type != tls_type)
1142 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1144 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1148 if (htab->sgot == NULL)
1150 if (htab->elf.dynobj == NULL)
1151 htab->elf.dynobj = abfd;
1152 if (!create_got_section (htab->elf.dynobj, info))
1157 case R_SPARC_TLS_GD_CALL:
1158 case R_SPARC_TLS_LDM_CALL:
1161 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1163 struct bfd_link_hash_entry *bh = NULL;
1164 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1165 "__tls_get_addr", 0,
1166 bfd_und_section_ptr, 0,
1170 h = (struct elf_link_hash_entry *) bh;
1177 case R_SPARC_WPLT30:
1178 case R_SPARC_HIPLT22:
1179 case R_SPARC_LOPLT10:
1180 case R_SPARC_PCPLT32:
1181 case R_SPARC_PCPLT22:
1182 case R_SPARC_PCPLT10:
1184 /* This symbol requires a procedure linkage table entry. We
1185 actually build the entry in adjust_dynamic_symbol,
1186 because this might be a case of linking PIC code without
1187 linking in any dynamic objects, in which case we don't
1188 need to generate a procedure linkage table after all. */
1192 if (! ABI_64_P (abfd))
1194 /* The Solaris native assembler will generate a WPLT30
1195 reloc for a local symbol if you assemble a call from
1196 one section to another when using -K pic. We treat
1198 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1203 /* It does not make sense to have a procedure linkage
1204 table entry for a local symbol. */
1205 bfd_set_error (bfd_error_bad_value);
1214 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1215 if (this_r_type == R_SPARC_PLT32
1216 || this_r_type == R_SPARC_PLT64)
1219 h->plt.refcount += 1;
1224 case R_SPARC_PC_HH22:
1225 case R_SPARC_PC_HM10:
1226 case R_SPARC_PC_LM22:
1231 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1236 case R_SPARC_DISP16:
1237 case R_SPARC_DISP32:
1238 case R_SPARC_DISP64:
1239 case R_SPARC_WDISP30:
1240 case R_SPARC_WDISP22:
1241 case R_SPARC_WDISP19:
1242 case R_SPARC_WDISP16:
1272 if (h != NULL && !info->shared)
1274 /* We may need a .plt entry if the function this reloc
1275 refers to is in a shared lib. */
1276 h->plt.refcount += 1;
1279 /* If we are creating a shared library, and this is a reloc
1280 against a global symbol, or a non PC relative reloc
1281 against a local symbol, then we need to copy the reloc
1282 into the shared library. However, if we are linking with
1283 -Bsymbolic, we do not need to copy a reloc against a
1284 global symbol which is defined in an object we are
1285 including in the link (i.e., DEF_REGULAR is set). At
1286 this point we have not seen all the input files, so it is
1287 possible that DEF_REGULAR is not set now but will be set
1288 later (it is never cleared). In case of a weak definition,
1289 DEF_REGULAR may be cleared later by a strong definition in
1290 a shared library. We account for that possibility below by
1291 storing information in the relocs_copied field of the hash
1292 table entry. A similar situation occurs when creating
1293 shared libraries and symbol visibility changes render the
1296 If on the other hand, we are creating an executable, we
1297 may need to keep relocations for symbols satisfied by a
1298 dynamic library if we manage to avoid copy relocs for the
1301 && (sec->flags & SEC_ALLOC) != 0
1302 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1304 && (! info->symbolic
1305 || h->root.type == bfd_link_hash_defweak
1306 || !h->def_regular))))
1308 && (sec->flags & SEC_ALLOC) != 0
1310 && (h->root.type == bfd_link_hash_defweak
1311 || !h->def_regular)))
1313 struct _bfd_sparc_elf_dyn_relocs *p;
1314 struct _bfd_sparc_elf_dyn_relocs **head;
1316 /* When creating a shared object, we must copy these
1317 relocs into the output file. We create a reloc
1318 section in dynobj and make room for the reloc. */
1324 name = (bfd_elf_string_from_elf_section
1326 elf_elfheader (abfd)->e_shstrndx,
1327 elf_section_data (sec)->rel_hdr.sh_name));
1331 BFD_ASSERT (strncmp (name, ".rela", 5) == 0
1332 && strcmp (bfd_get_section_name (abfd, sec),
1335 if (htab->elf.dynobj == NULL)
1336 htab->elf.dynobj = abfd;
1337 dynobj = htab->elf.dynobj;
1339 sreloc = bfd_get_section_by_name (dynobj, name);
1344 sreloc = bfd_make_section (dynobj, name);
1345 flags = (SEC_HAS_CONTENTS | SEC_READONLY
1346 | SEC_IN_MEMORY | SEC_LINKER_CREATED);
1347 if ((sec->flags & SEC_ALLOC) != 0)
1348 flags |= SEC_ALLOC | SEC_LOAD;
1350 || ! bfd_set_section_flags (dynobj, sreloc, flags)
1351 || ! bfd_set_section_alignment (dynobj, sreloc,
1352 htab->word_align_power))
1355 elf_section_data (sec)->sreloc = sreloc;
1358 /* If this is a global symbol, we count the number of
1359 relocations we need for this symbol. */
1361 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1364 /* Track dynamic relocs needed for local syms too.
1365 We really need local syms available to do this
1369 s = bfd_section_from_r_symndx (abfd, &htab->sym_sec,
1374 head = ((struct _bfd_sparc_elf_dyn_relocs **)
1375 &elf_section_data (s)->local_dynrel);
1379 if (p == NULL || p->sec != sec)
1381 bfd_size_type amt = sizeof *p;
1382 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1383 bfd_alloc (htab->elf.dynobj, amt));
1394 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1400 case R_SPARC_GNU_VTINHERIT:
1401 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1405 case R_SPARC_GNU_VTENTRY:
1406 if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1410 case R_SPARC_REGISTER:
1411 /* Nothing to do. */
1423 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1424 struct bfd_link_info *info,
1425 Elf_Internal_Rela *rel,
1426 struct elf_link_hash_entry *h,
1427 Elf_Internal_Sym *sym)
1431 struct _bfd_sparc_elf_link_hash_table *htab;
1433 htab = _bfd_sparc_elf_hash_table (info);
1434 switch (SPARC_ELF_R_TYPE (rel->r_info))
1436 case R_SPARC_GNU_VTINHERIT:
1437 case R_SPARC_GNU_VTENTRY:
1441 switch (h->root.type)
1443 case bfd_link_hash_defined:
1444 case bfd_link_hash_defweak:
1445 return h->root.u.def.section;
1447 case bfd_link_hash_common:
1448 return h->root.u.c.p->section;
1456 return bfd_section_from_elf_index (sec->owner, sym->st_shndx);
1461 /* Update the got entry reference counts for the section being removed. */
1463 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1464 asection *sec, const Elf_Internal_Rela *relocs)
1466 struct _bfd_sparc_elf_link_hash_table *htab;
1467 Elf_Internal_Shdr *symtab_hdr;
1468 struct elf_link_hash_entry **sym_hashes;
1469 bfd_signed_vma *local_got_refcounts;
1470 const Elf_Internal_Rela *rel, *relend;
1472 elf_section_data (sec)->local_dynrel = NULL;
1474 htab = _bfd_sparc_elf_hash_table (info);
1475 symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
1476 sym_hashes = elf_sym_hashes (abfd);
1477 local_got_refcounts = elf_local_got_refcounts (abfd);
1479 relend = relocs + sec->reloc_count;
1480 for (rel = relocs; rel < relend; rel++)
1482 unsigned long r_symndx;
1483 unsigned int r_type;
1484 struct elf_link_hash_entry *h = NULL;
1486 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1487 if (r_symndx >= symtab_hdr->sh_info)
1489 struct _bfd_sparc_elf_link_hash_entry *eh;
1490 struct _bfd_sparc_elf_dyn_relocs **pp;
1491 struct _bfd_sparc_elf_dyn_relocs *p;
1493 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1494 while (h->root.type == bfd_link_hash_indirect
1495 || h->root.type == bfd_link_hash_warning)
1496 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1497 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1498 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1501 /* Everything must go for SEC. */
1507 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1508 r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL);
1511 case R_SPARC_TLS_LDM_HI22:
1512 case R_SPARC_TLS_LDM_LO10:
1513 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1514 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1517 case R_SPARC_TLS_GD_HI22:
1518 case R_SPARC_TLS_GD_LO10:
1519 case R_SPARC_TLS_IE_HI22:
1520 case R_SPARC_TLS_IE_LO10:
1526 if (h->got.refcount > 0)
1531 if (local_got_refcounts[r_symndx] > 0)
1532 local_got_refcounts[r_symndx]--;
1538 case R_SPARC_PC_HH22:
1539 case R_SPARC_PC_HM10:
1540 case R_SPARC_PC_LM22:
1542 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1547 case R_SPARC_DISP16:
1548 case R_SPARC_DISP32:
1549 case R_SPARC_DISP64:
1550 case R_SPARC_WDISP30:
1551 case R_SPARC_WDISP22:
1552 case R_SPARC_WDISP19:
1553 case R_SPARC_WDISP16:
1584 case R_SPARC_WPLT30:
1587 if (h->plt.refcount > 0)
1600 /* Adjust a symbol defined by a dynamic object and referenced by a
1601 regular object. The current definition is in some section of the
1602 dynamic object, but we're not including those sections. We have to
1603 change the definition to something the rest of the link can
1607 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1608 struct elf_link_hash_entry *h)
1610 struct _bfd_sparc_elf_link_hash_table *htab;
1611 struct _bfd_sparc_elf_link_hash_entry * eh;
1612 struct _bfd_sparc_elf_dyn_relocs *p;
1614 unsigned int power_of_two;
1616 htab = _bfd_sparc_elf_hash_table (info);
1618 /* Make sure we know what is going on here. */
1619 BFD_ASSERT (htab->elf.dynobj != NULL
1621 || h->u.weakdef != NULL
1624 && !h->def_regular)));
1626 /* If this is a function, put it in the procedure linkage table. We
1627 will fill in the contents of the procedure linkage table later
1628 (although we could actually do it here). The STT_NOTYPE
1629 condition is a hack specifically for the Oracle libraries
1630 delivered for Solaris; for some inexplicable reason, they define
1631 some of their functions as STT_NOTYPE when they really should be
1633 if (h->type == STT_FUNC
1635 || (h->type == STT_NOTYPE
1636 && (h->root.type == bfd_link_hash_defined
1637 || h->root.type == bfd_link_hash_defweak)
1638 && (h->root.u.def.section->flags & SEC_CODE) != 0))
1640 if (h->plt.refcount <= 0
1644 && h->root.type != bfd_link_hash_undefweak
1645 && h->root.type != bfd_link_hash_undefined))
1647 /* This case can occur if we saw a WPLT30 reloc in an input
1648 file, but the symbol was never referred to by a dynamic
1649 object, or if all references were garbage collected. In
1650 such a case, we don't actually need to build a procedure
1651 linkage table, and we can just do a WDISP30 reloc instead. */
1652 h->plt.offset = (bfd_vma) -1;
1659 h->plt.offset = (bfd_vma) -1;
1661 /* If this is a weak symbol, and there is a real definition, the
1662 processor independent code will have arranged for us to see the
1663 real definition first, and we can just use the same value. */
1664 if (h->u.weakdef != NULL)
1666 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
1667 || h->u.weakdef->root.type == bfd_link_hash_defweak);
1668 h->root.u.def.section = h->u.weakdef->root.u.def.section;
1669 h->root.u.def.value = h->u.weakdef->root.u.def.value;
1673 /* This is a reference to a symbol defined by a dynamic object which
1674 is not a function. */
1676 /* If we are creating a shared library, we must presume that the
1677 only references to the symbol are via the global offset table.
1678 For such cases we need not do anything here; the relocations will
1679 be handled correctly by relocate_section. */
1683 /* If there are no references to this symbol that do not use the
1684 GOT, we don't need to generate a copy reloc. */
1685 if (!h->non_got_ref)
1688 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1689 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1691 s = p->sec->output_section;
1692 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1696 /* If we didn't find any dynamic relocs in read-only sections, then
1697 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1704 /* We must allocate the symbol in our .dynbss section, which will
1705 become part of the .bss section of the executable. There will be
1706 an entry for this symbol in the .dynsym section. The dynamic
1707 object will contain position independent code, so all references
1708 from the dynamic object to this symbol will go through the global
1709 offset table. The dynamic linker will use the .dynsym entry to
1710 determine the address it must put in the global offset table, so
1711 both the dynamic object and the regular object will refer to the
1712 same memory location for the variable. */
1714 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
1715 to copy the initial value out of the dynamic object and into the
1716 runtime process image. We need to remember the offset into the
1717 .rel.bss section we are going to use. */
1718 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
1720 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
1724 /* We need to figure out the alignment required for this symbol. I
1725 have no idea how ELF linkers handle this. */
1726 power_of_two = bfd_log2 (h->size);
1727 if (power_of_two > htab->align_power_max)
1728 power_of_two = htab->align_power_max;
1730 /* Apply the required alignment. */
1732 s->size = BFD_ALIGN (s->size, (bfd_size_type) (1 << power_of_two));
1733 if (power_of_two > bfd_get_section_alignment (dynobj, s))
1735 if (! bfd_set_section_alignment (dynobj, s, power_of_two))
1739 /* Define the symbol as being at this point in the section. */
1740 h->root.u.def.section = s;
1741 h->root.u.def.value = s->size;
1743 /* Increment the section size to make room for the symbol. */
1749 /* Allocate space in .plt, .got and associated reloc sections for
1753 allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
1755 struct bfd_link_info *info;
1756 struct _bfd_sparc_elf_link_hash_table *htab;
1757 struct _bfd_sparc_elf_link_hash_entry *eh;
1758 struct _bfd_sparc_elf_dyn_relocs *p;
1760 if (h->root.type == bfd_link_hash_indirect)
1763 if (h->root.type == bfd_link_hash_warning)
1764 /* When warning symbols are created, they **replace** the "real"
1765 entry in the hash table, thus we never get to see the real
1766 symbol in a hash traversal. So look at it now. */
1767 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1769 info = (struct bfd_link_info *) inf;
1770 htab = _bfd_sparc_elf_hash_table (info);
1772 if (htab->elf.dynamic_sections_created
1773 && h->plt.refcount > 0)
1775 /* Make sure this symbol is output as a dynamic symbol.
1776 Undefined weak syms won't yet be marked as dynamic. */
1777 if (h->dynindx == -1
1778 && !h->forced_local)
1780 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1784 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
1786 asection *s = htab->splt;
1788 /* The first four entries in .plt is reserved. */
1790 s->size = (SPARC_ELF_WORD_BYTES(htab) == 8 ?
1791 PLT64_HEADER_SIZE : PLT32_HEADER_SIZE);
1793 /* The procedure linkage table size is bounded by the magnitude
1794 of the offset we can describe in the entry. */
1795 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
1796 (((bfd_vma)1 << 31) << 1) : 0x400000))
1798 bfd_set_error (bfd_error_bad_value);
1802 if (SPARC_ELF_WORD_BYTES(htab) == 8
1803 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
1805 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
1808 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
1810 h->plt.offset = (s->size - (off * 8));
1813 h->plt.offset = s->size;
1815 /* If this symbol is not defined in a regular file, and we are
1816 not generating a shared library, then set the symbol to this
1817 location in the .plt. This is required to make function
1818 pointers compare as equal between the normal executable and
1819 the shared library. */
1823 h->root.u.def.section = s;
1824 h->root.u.def.value = h->plt.offset;
1827 /* Make room for this entry. */
1828 s->size += (SPARC_ELF_WORD_BYTES(htab) == 8 ?
1829 PLT64_ENTRY_SIZE : PLT32_ENTRY_SIZE);
1831 /* We also need to make an entry in the .rela.plt section. */
1832 htab->srelplt->size += SPARC_ELF_RELA_BYTES (htab);
1836 h->plt.offset = (bfd_vma) -1;
1842 h->plt.offset = (bfd_vma) -1;
1846 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
1847 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
1848 if (h->got.refcount > 0
1851 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
1852 h->got.offset = (bfd_vma) -1;
1853 else if (h->got.refcount > 0)
1857 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1859 /* Make sure this symbol is output as a dynamic symbol.
1860 Undefined weak syms won't yet be marked as dynamic. */
1861 if (h->dynindx == -1
1862 && !h->forced_local)
1864 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1869 h->got.offset = s->size;
1870 s->size += SPARC_ELF_WORD_BYTES (htab);
1871 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
1872 if (tls_type == GOT_TLS_GD)
1873 s->size += SPARC_ELF_WORD_BYTES (htab);
1874 dyn = htab->elf.dynamic_sections_created;
1875 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
1876 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
1878 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1879 || tls_type == GOT_TLS_IE)
1880 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1881 else if (tls_type == GOT_TLS_GD)
1882 htab->srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
1883 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
1884 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
1887 h->got.offset = (bfd_vma) -1;
1889 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1890 if (eh->dyn_relocs == NULL)
1893 /* In the shared -Bsymbolic case, discard space allocated for
1894 dynamic pc-relative relocs against symbols which turn out to be
1895 defined in regular objects. For the normal shared case, discard
1896 space for pc-relative relocs that have become local due to symbol
1897 visibility changes. */
1905 struct _bfd_sparc_elf_dyn_relocs **pp;
1907 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
1909 p->count -= p->pc_count;
1920 /* For the non-shared case, discard space for relocs against
1921 symbols which turn out to need copy relocs or are not
1927 || (htab->elf.dynamic_sections_created
1928 && (h->root.type == bfd_link_hash_undefweak
1929 || h->root.type == bfd_link_hash_undefined))))
1931 /* Make sure this symbol is output as a dynamic symbol.
1932 Undefined weak syms won't yet be marked as dynamic. */
1933 if (h->dynindx == -1
1934 && !h->forced_local)
1936 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1940 /* If that succeeded, we know we'll be keeping all the
1942 if (h->dynindx != -1)
1946 eh->dyn_relocs = NULL;
1951 /* Finally, allocate space. */
1952 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1954 asection *sreloc = elf_section_data (p->sec)->sreloc;
1955 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
1961 /* Find any dynamic relocs that apply to read-only sections. */
1964 readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
1966 struct _bfd_sparc_elf_link_hash_entry *eh;
1967 struct _bfd_sparc_elf_dyn_relocs *p;
1969 if (h->root.type == bfd_link_hash_warning)
1970 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1972 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1973 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1975 asection *s = p->sec->output_section;
1977 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1979 struct bfd_link_info *info = (struct bfd_link_info *) inf;
1981 info->flags |= DF_TEXTREL;
1983 /* Not an error, just cut short the traversal. */
1990 /* Return true if the dynamic symbol for a given section should be
1991 omitted when creating a shared library. */
1994 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
1995 struct bfd_link_info *info,
1998 /* We keep the .got section symbol so that explicit relocations
1999 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2000 can be turned into relocations against the .got symbol. */
2001 if (strcmp (p->name, ".got") == 0)
2004 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2007 /* Set the sizes of the dynamic sections. */
2010 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2011 struct bfd_link_info *info)
2013 struct _bfd_sparc_elf_link_hash_table *htab;
2018 htab = _bfd_sparc_elf_hash_table (info);
2019 dynobj = htab->elf.dynobj;
2020 BFD_ASSERT (dynobj != NULL);
2022 if (elf_hash_table (info)->dynamic_sections_created)
2024 /* Set the contents of the .interp section to the interpreter. */
2025 if (info->executable)
2027 s = bfd_get_section_by_name (dynobj, ".interp");
2028 BFD_ASSERT (s != NULL);
2029 s->size = htab->dynamic_interpreter_size;
2030 s->contents = (unsigned char *) htab->dynamic_interpreter;
2034 /* Set up .got offsets for local syms, and space for local dynamic
2036 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2038 bfd_signed_vma *local_got;
2039 bfd_signed_vma *end_local_got;
2040 char *local_tls_type;
2041 bfd_size_type locsymcount;
2042 Elf_Internal_Shdr *symtab_hdr;
2045 if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
2048 for (s = ibfd->sections; s != NULL; s = s->next)
2050 struct _bfd_sparc_elf_dyn_relocs *p;
2052 for (p = *((struct _bfd_sparc_elf_dyn_relocs **)
2053 &elf_section_data (s)->local_dynrel);
2057 if (!bfd_is_abs_section (p->sec)
2058 && bfd_is_abs_section (p->sec->output_section))
2060 /* Input section has been discarded, either because
2061 it is a copy of a linkonce section or due to
2062 linker script /DISCARD/, so we'll be discarding
2065 else if (p->count != 0)
2067 srel = elf_section_data (p->sec)->sreloc;
2068 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2069 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2070 info->flags |= DF_TEXTREL;
2075 local_got = elf_local_got_refcounts (ibfd);
2079 symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
2080 locsymcount = symtab_hdr->sh_info;
2081 end_local_got = local_got + locsymcount;
2082 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2084 srel = htab->srelgot;
2085 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2089 *local_got = s->size;
2090 s->size += SPARC_ELF_WORD_BYTES (htab);
2091 if (*local_tls_type == GOT_TLS_GD)
2092 s->size += SPARC_ELF_WORD_BYTES (htab);
2094 || *local_tls_type == GOT_TLS_GD
2095 || *local_tls_type == GOT_TLS_IE)
2096 srel->size += SPARC_ELF_RELA_BYTES (htab);
2099 *local_got = (bfd_vma) -1;
2103 if (htab->tls_ldm_got.refcount > 0)
2105 /* Allocate 2 got entries and 1 dynamic reloc for
2106 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2107 htab->tls_ldm_got.offset = htab->sgot->size;
2108 htab->sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2109 htab->srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2112 htab->tls_ldm_got.offset = -1;
2114 /* Allocate global sym .plt and .got entries, and space for global
2115 sym dynamic relocs. */
2116 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
2118 if (! ABI_64_P (output_bfd)
2119 && elf_hash_table (info)->dynamic_sections_created)
2121 /* Make space for the trailing nop in .plt. */
2122 if (htab->splt->size > 0)
2123 htab->splt->size += 1 * SPARC_INSN_BYTES;
2125 /* If the .got section is more than 0x1000 bytes, we add
2126 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2127 bit relocations have a greater chance of working.
2129 FIXME: Make this optimization work for 64-bit too. */
2130 if (htab->sgot->size >= 0x1000
2131 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2132 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2135 /* The check_relocs and adjust_dynamic_symbol entry points have
2136 determined the sizes of the various dynamic sections. Allocate
2138 for (s = dynobj->sections; s != NULL; s = s->next)
2141 bfd_boolean strip = FALSE;
2143 if ((s->flags & SEC_LINKER_CREATED) == 0)
2146 /* It's OK to base decisions on the section name, because none
2147 of the dynobj section names depend upon the input files. */
2148 name = bfd_get_section_name (dynobj, s);
2150 if (strncmp (name, ".rela", 5) == 0)
2154 /* If we don't need this section, strip it from the
2155 output file. This is to handle .rela.bss and
2156 .rel.plt. We must create it in
2157 create_dynamic_sections, because it must be created
2158 before the linker maps input sections to output
2159 sections. The linker does that before
2160 adjust_dynamic_symbol is called, and it is that
2161 function which decides whether anything needs to go
2162 into these sections. */
2167 /* We use the reloc_count field as a counter if we need
2168 to copy relocs into the output file. */
2172 else if (s != htab->splt && s != htab->sgot)
2174 /* It's not one of our sections, so don't allocate space. */
2180 _bfd_strip_section_from_output (info, s);
2184 /* Allocate memory for the section contents. Zero the memory
2185 for the benefit of .rela.plt, which has 4 unused entries
2186 at the beginning, and we don't want garbage. */
2187 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2188 if (s->contents == NULL && s->size != 0)
2192 if (elf_hash_table (info)->dynamic_sections_created)
2194 /* Add some entries to the .dynamic section. We fill in the
2195 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2196 must add the entries now so that we get the correct size for
2197 the .dynamic section. The DT_DEBUG entry is filled in by the
2198 dynamic linker and used by the debugger. */
2199 #define add_dynamic_entry(TAG, VAL) \
2200 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2202 if (info->executable)
2204 if (!add_dynamic_entry (DT_DEBUG, 0))
2208 if (htab->srelplt->size != 0)
2210 if (!add_dynamic_entry (DT_PLTGOT, 0)
2211 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2212 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2213 || !add_dynamic_entry (DT_JMPREL, 0))
2217 if (!add_dynamic_entry (DT_RELA, 0)
2218 || !add_dynamic_entry (DT_RELASZ, 0)
2219 || !add_dynamic_entry (DT_RELAENT,
2220 SPARC_ELF_RELA_BYTES (htab)))
2223 /* If any dynamic relocs apply to a read-only section,
2224 then we need a DT_TEXTREL entry. */
2225 if ((info->flags & DF_TEXTREL) == 0)
2226 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2229 if (info->flags & DF_TEXTREL)
2231 if (!add_dynamic_entry (DT_TEXTREL, 0))
2235 if (ABI_64_P (output_bfd))
2238 struct _bfd_sparc_elf_app_reg * app_regs;
2239 struct elf_strtab_hash *dynstr;
2240 struct elf_link_hash_table *eht = elf_hash_table (info);
2242 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2243 entries if needed. */
2244 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2245 dynstr = eht->dynstr;
2247 for (reg = 0; reg < 4; reg++)
2248 if (app_regs [reg].name != NULL)
2250 struct elf_link_local_dynamic_entry *entry, *e;
2252 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2255 entry = (struct elf_link_local_dynamic_entry *)
2256 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2260 /* We cheat here a little bit: the symbol will not be local, so we
2261 put it at the end of the dynlocal linked list. We will fix it
2262 later on, as we have to fix other fields anyway. */
2263 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2264 entry->isym.st_size = 0;
2265 if (*app_regs [reg].name != '\0')
2267 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2269 entry->isym.st_name = 0;
2270 entry->isym.st_other = 0;
2271 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2273 entry->isym.st_shndx = app_regs [reg].shndx;
2275 entry->input_bfd = output_bfd;
2276 entry->input_indx = -1;
2278 if (eht->dynlocal == NULL)
2279 eht->dynlocal = entry;
2282 for (e = eht->dynlocal; e->next; e = e->next)
2290 #undef add_dynamic_entry
2296 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2298 struct _bfd_sparc_elf_section_data *sdata;
2299 bfd_size_type amt = sizeof (*sdata);
2301 sdata = (struct _bfd_sparc_elf_section_data *) bfd_zalloc (abfd, amt);
2304 sec->used_by_bfd = (PTR) sdata;
2306 return _bfd_elf_new_section_hook (abfd, sec);
2310 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2311 struct bfd_section *section,
2312 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2316 sec_do_relax (section) = 1;
2320 /* Return the base VMA address which should be subtracted from real addresses
2321 when resolving @dtpoff relocation.
2322 This is PT_TLS segment p_vaddr. */
2325 dtpoff_base (struct bfd_link_info *info)
2327 /* If tls_sec is NULL, we should have signalled an error already. */
2328 if (elf_hash_table (info)->tls_sec == NULL)
2330 return elf_hash_table (info)->tls_sec->vma;
2333 /* Return the relocation value for @tpoff relocation
2334 if STT_TLS virtual address is ADDRESS. */
2337 tpoff (struct bfd_link_info *info, bfd_vma address)
2339 struct elf_link_hash_table *htab = elf_hash_table (info);
2341 /* If tls_sec is NULL, we should have signalled an error already. */
2342 if (htab->tls_sec == NULL)
2344 return address - htab->tls_size - htab->tls_sec->vma;
2347 /* Relocate a SPARC ELF section. */
2350 _bfd_sparc_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
2351 bfd *input_bfd, asection *input_section,
2352 bfd_byte *contents, Elf_Internal_Rela *relocs,
2353 Elf_Internal_Sym *local_syms, asection **local_sections)
2355 struct _bfd_sparc_elf_link_hash_table *htab;
2356 Elf_Internal_Shdr *symtab_hdr;
2357 struct elf_link_hash_entry **sym_hashes;
2358 bfd_vma *local_got_offsets;
2361 Elf_Internal_Rela *rel;
2362 Elf_Internal_Rela *relend;
2365 if (info->relocatable)
2368 htab = _bfd_sparc_elf_hash_table (info);
2369 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
2370 sym_hashes = elf_sym_hashes (input_bfd);
2371 local_got_offsets = elf_local_got_offsets (input_bfd);
2373 if (elf_hash_table (info)->hgot == NULL)
2376 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2378 sreloc = elf_section_data (input_section)->sreloc;
2381 if (ABI_64_P (output_bfd))
2382 num_relocs = NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
2384 num_relocs = input_section->reloc_count;
2385 relend = relocs + num_relocs;
2386 for (; rel < relend; rel++)
2388 int r_type, tls_type;
2389 reloc_howto_type *howto;
2390 unsigned long r_symndx;
2391 struct elf_link_hash_entry *h;
2392 Elf_Internal_Sym *sym;
2394 bfd_vma relocation, off;
2395 bfd_reloc_status_type r;
2396 bfd_boolean is_plt = FALSE;
2397 bfd_boolean unresolved_reloc;
2399 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2400 if (r_type == R_SPARC_GNU_VTINHERIT
2401 || r_type == R_SPARC_GNU_VTENTRY)
2404 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2406 bfd_set_error (bfd_error_bad_value);
2409 howto = _bfd_sparc_elf_howto_table + r_type;
2411 /* This is a final link. */
2412 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2416 unresolved_reloc = FALSE;
2417 if (r_symndx < symtab_hdr->sh_info)
2419 sym = local_syms + r_symndx;
2420 sec = local_sections[r_symndx];
2421 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2427 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2428 r_symndx, symtab_hdr, sym_hashes,
2430 unresolved_reloc, warned);
2433 /* To avoid generating warning messages about truncated
2434 relocations, set the relocation's address to be the same as
2435 the start of this section. */
2436 if (input_section->output_section != NULL)
2437 relocation = input_section->output_section->vma;
2448 /* Relocation is to the entry for this symbol in the global
2450 if (htab->sgot == NULL)
2457 off = h->got.offset;
2458 BFD_ASSERT (off != (bfd_vma) -1);
2459 dyn = elf_hash_table (info)->dynamic_sections_created;
2461 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
2468 /* This is actually a static link, or it is a
2469 -Bsymbolic link and the symbol is defined
2470 locally, or the symbol was forced to be local
2471 because of a version file. We must initialize
2472 this entry in the global offset table. Since the
2473 offset must always be a multiple of 8 for 64-bit
2474 and 4 for 32-bit, we use the least significant bit
2475 to record whether we have initialized it already.
2477 When doing a dynamic link, we create a .rela.got
2478 relocation entry to initialize the value. This
2479 is done in the finish_dynamic_symbol routine. */
2484 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2485 htab->sgot->contents + off);
2490 unresolved_reloc = FALSE;
2494 BFD_ASSERT (local_got_offsets != NULL
2495 && local_got_offsets[r_symndx] != (bfd_vma) -1);
2497 off = local_got_offsets[r_symndx];
2499 /* The offset must always be a multiple of 8 on 64-bit and
2500 4 on 32-bit. We use the least significant bit to record
2501 whether we have already processed this entry. */
2510 Elf_Internal_Rela outrel;
2512 /* We need to generate a R_SPARC_RELATIVE reloc
2513 for the dynamic linker. */
2515 BFD_ASSERT (s != NULL);
2517 outrel.r_offset = (htab->sgot->output_section->vma
2518 + htab->sgot->output_offset
2520 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2521 0, R_SPARC_RELATIVE);
2522 outrel.r_addend = relocation;
2524 SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &outrel);
2527 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
2528 htab->sgot->contents + off);
2529 local_got_offsets[r_symndx] |= 1;
2532 relocation = htab->sgot->output_offset + off - got_base;
2537 if (h == NULL || h->plt.offset == (bfd_vma) -1)
2539 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
2544 case R_SPARC_WPLT30:
2545 case R_SPARC_HIPLT22:
2546 case R_SPARC_LOPLT10:
2547 case R_SPARC_PCPLT32:
2548 case R_SPARC_PCPLT22:
2549 case R_SPARC_PCPLT10:
2551 /* Relocation is to the entry for this symbol in the
2552 procedure linkage table. */
2554 if (! ABI_64_P (output_bfd))
2556 /* The Solaris native assembler will generate a WPLT30 reloc
2557 for a local symbol if you assemble a call from one
2558 section to another when using -K pic. We treat it as
2565 BFD_ASSERT (h != NULL);
2568 if (h->plt.offset == (bfd_vma) -1 || htab->splt == NULL)
2570 /* We didn't make a PLT entry for this symbol. This
2571 happens when statically linking PIC code, or when
2572 using -Bsymbolic. */
2576 relocation = (htab->splt->output_section->vma
2577 + htab->splt->output_offset
2579 unresolved_reloc = FALSE;
2580 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
2582 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
2590 case R_SPARC_PC_HH22:
2591 case R_SPARC_PC_HM10:
2592 case R_SPARC_PC_LM22:
2594 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
2598 case R_SPARC_DISP16:
2599 case R_SPARC_DISP32:
2600 case R_SPARC_DISP64:
2601 case R_SPARC_WDISP30:
2602 case R_SPARC_WDISP22:
2603 case R_SPARC_WDISP19:
2604 case R_SPARC_WDISP16:
2631 /* r_symndx will be zero only for relocs against symbols
2632 from removed linkonce sections, or sections discarded by
2635 || (input_section->flags & SEC_ALLOC) == 0)
2640 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2641 || h->root.type != bfd_link_hash_undefweak)
2642 && (! howto->pc_relative
2645 && (! info->symbolic
2646 || !h->def_regular))))
2653 || h->root.type == bfd_link_hash_undefweak
2654 || h->root.type == bfd_link_hash_undefined)))
2656 Elf_Internal_Rela outrel;
2657 bfd_boolean skip, relocate = FALSE;
2659 /* When generating a shared object, these relocations
2660 are copied into the output file to be resolved at run
2663 BFD_ASSERT (sreloc != NULL);
2668 _bfd_elf_section_offset (output_bfd, info, input_section,
2670 if (outrel.r_offset == (bfd_vma) -1)
2672 else if (outrel.r_offset == (bfd_vma) -2)
2673 skip = TRUE, relocate = TRUE;
2674 outrel.r_offset += (input_section->output_section->vma
2675 + input_section->output_offset);
2677 /* Optimize unaligned reloc usage now that we know where
2678 it finally resides. */
2682 if (outrel.r_offset & 1)
2683 r_type = R_SPARC_UA16;
2686 if (!(outrel.r_offset & 1))
2687 r_type = R_SPARC_16;
2690 if (outrel.r_offset & 3)
2691 r_type = R_SPARC_UA32;
2694 if (!(outrel.r_offset & 3))
2695 r_type = R_SPARC_32;
2698 if (outrel.r_offset & 7)
2699 r_type = R_SPARC_UA64;
2702 if (!(outrel.r_offset & 7))
2703 r_type = R_SPARC_64;
2706 case R_SPARC_DISP16:
2707 case R_SPARC_DISP32:
2708 case R_SPARC_DISP64:
2709 /* If the symbol is not dynamic, we should not keep
2710 a dynamic relocation. But an .rela.* slot has been
2711 allocated for it, output R_SPARC_NONE.
2712 FIXME: Add code tracking needed dynamic relocs as
2714 if (h->dynindx == -1)
2715 skip = TRUE, relocate = TRUE;
2720 memset (&outrel, 0, sizeof outrel);
2721 /* h->dynindx may be -1 if the symbol was marked to
2723 else if (h != NULL && ! is_plt
2724 && ((! info->symbolic && h->dynindx != -1)
2725 || !h->def_regular))
2727 BFD_ASSERT (h->dynindx != -1);
2728 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
2729 outrel.r_addend = rel->r_addend;
2733 if (r_type == R_SPARC_32 || r_type == R_SPARC_64)
2735 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
2736 0, R_SPARC_RELATIVE);
2737 outrel.r_addend = relocation + rel->r_addend;
2746 if (bfd_is_abs_section (sec))
2748 else if (sec == NULL || sec->owner == NULL)
2750 bfd_set_error (bfd_error_bad_value);
2757 osec = sec->output_section;
2758 indx = elf_section_data (osec)->dynindx;
2760 /* FIXME: we really should be able to link non-pic
2761 shared libraries. */
2765 (*_bfd_error_handler)
2766 (_("%B: probably compiled without -fPIC?"),
2768 bfd_set_error (bfd_error_bad_value);
2773 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx, r_type);
2774 outrel.r_addend = relocation + rel->r_addend;
2778 SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel);
2780 /* This reloc will be computed at runtime, so there's no
2781 need to do anything now. */
2787 case R_SPARC_TLS_GD_HI22:
2788 if (! ABI_64_P (input_bfd)
2789 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
2791 /* R_SPARC_REV32 used the same reloc number as
2792 R_SPARC_TLS_GD_HI22. */
2793 r_type = R_SPARC_REV32;
2798 case R_SPARC_TLS_GD_LO10:
2799 case R_SPARC_TLS_IE_HI22:
2800 case R_SPARC_TLS_IE_LO10:
2801 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
2802 tls_type = GOT_UNKNOWN;
2803 if (h == NULL && local_got_offsets)
2804 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
2807 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2808 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
2809 switch (SPARC_ELF_R_TYPE (rel->r_info))
2811 case R_SPARC_TLS_GD_HI22:
2812 case R_SPARC_TLS_IE_HI22:
2813 r_type = R_SPARC_TLS_LE_HIX22;
2816 r_type = R_SPARC_TLS_LE_LOX10;
2820 if (tls_type == GOT_TLS_IE)
2823 case R_SPARC_TLS_GD_HI22:
2824 r_type = R_SPARC_TLS_IE_HI22;
2826 case R_SPARC_TLS_GD_LO10:
2827 r_type = R_SPARC_TLS_IE_LO10;
2831 if (r_type == R_SPARC_TLS_LE_HIX22)
2833 relocation = tpoff (info, relocation);
2836 if (r_type == R_SPARC_TLS_LE_LOX10)
2838 /* Change add into xor. */
2839 relocation = tpoff (info, relocation);
2840 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
2841 contents + rel->r_offset)
2842 | 0x80182000), contents + rel->r_offset);
2848 off = h->got.offset;
2853 BFD_ASSERT (local_got_offsets != NULL);
2854 off = local_got_offsets[r_symndx];
2855 local_got_offsets[r_symndx] |= 1;
2859 if (htab->sgot == NULL)
2866 Elf_Internal_Rela outrel;
2869 if (htab->srelgot == NULL)
2872 SPARC_ELF_PUT_WORD (htab, output_bfd, 0, htab->sgot->contents + off);
2873 outrel.r_offset = (htab->sgot->output_section->vma
2874 + htab->sgot->output_offset + off);
2875 indx = h && h->dynindx != -1 ? h->dynindx : 0;
2876 if (r_type == R_SPARC_TLS_IE_HI22
2877 || r_type == R_SPARC_TLS_IE_LO10)
2878 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
2880 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
2881 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
2882 outrel.r_addend = relocation - dtpoff_base (info);
2884 outrel.r_addend = 0;
2885 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
2886 SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel);
2888 if (r_type == R_SPARC_TLS_GD_HI22
2889 || r_type == R_SPARC_TLS_GD_LO10)
2893 BFD_ASSERT (! unresolved_reloc);
2894 SPARC_ELF_PUT_WORD (htab, output_bfd,
2895 relocation - dtpoff_base (info),
2896 (htab->sgot->contents + off
2897 + SPARC_ELF_WORD_BYTES (htab)));
2901 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
2902 (htab->sgot->contents + off
2903 + SPARC_ELF_WORD_BYTES (htab)));
2904 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
2905 SPARC_ELF_DTPOFF_RELOC (htab));
2906 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
2907 SPARC_ELF_APPEND_RELA (htab, output_bfd, htab->srelgot, &outrel);
2910 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
2912 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
2913 (htab->sgot->contents + off
2914 + SPARC_ELF_WORD_BYTES (htab)));
2918 if (off >= (bfd_vma) -2)
2921 relocation = htab->sgot->output_offset + off - got_base;
2922 unresolved_reloc = FALSE;
2923 howto = _bfd_sparc_elf_howto_table + r_type;
2926 case R_SPARC_TLS_LDM_HI22:
2927 case R_SPARC_TLS_LDM_LO10:
2930 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
2933 off = htab->tls_ldm_got.offset;
2934 htab->tls_ldm_got.offset |= 1;
2935 goto r_sparc_tlsldm;
2937 case R_SPARC_TLS_LDO_HIX22:
2938 case R_SPARC_TLS_LDO_LOX10:
2941 relocation -= dtpoff_base (info);
2945 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
2946 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
2949 case R_SPARC_TLS_LE_HIX22:
2950 case R_SPARC_TLS_LE_LOX10:
2953 Elf_Internal_Rela outrel;
2954 bfd_boolean skip, relocate = FALSE;
2956 BFD_ASSERT (sreloc != NULL);
2959 _bfd_elf_section_offset (output_bfd, info, input_section,
2961 if (outrel.r_offset == (bfd_vma) -1)
2963 else if (outrel.r_offset == (bfd_vma) -2)
2964 skip = TRUE, relocate = TRUE;
2965 outrel.r_offset += (input_section->output_section->vma
2966 + input_section->output_offset);
2968 memset (&outrel, 0, sizeof outrel);
2971 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
2972 outrel.r_addend = relocation - dtpoff_base (info)
2976 SPARC_ELF_APPEND_RELA (htab, output_bfd, sreloc, &outrel);
2979 relocation = tpoff (info, relocation);
2982 case R_SPARC_TLS_LDM_CALL:
2986 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
2991 case R_SPARC_TLS_GD_CALL:
2992 tls_type = GOT_UNKNOWN;
2993 if (h == NULL && local_got_offsets)
2994 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
2996 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2998 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3002 if (!info->shared && (h == NULL || h->dynindx == -1))
3005 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3010 if (rel + 1 < relend
3011 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3012 && rel[1].r_offset == rel->r_offset + 4
3013 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3014 && (((insn = bfd_get_32 (input_bfd,
3015 contents + rel[1].r_offset))
3016 >> 25) & 0x1f) == 8)
3019 call __tls_get_addr, %tgd_call(foo)
3020 add %reg1, %reg2, %o0, %tgd_add(foo)
3021 and change it into IE:
3022 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3023 add %g7, %o0, %o0, %tie_add(foo).
3024 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3025 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3026 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3027 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3028 contents + rel->r_offset);
3029 bfd_put_32 (output_bfd, 0x9001c008,
3030 contents + rel->r_offset + 4);
3035 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
3039 h = (struct elf_link_hash_entry *)
3040 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3042 BFD_ASSERT (h != NULL);
3043 r_type = R_SPARC_WPLT30;
3044 howto = _bfd_sparc_elf_howto_table + r_type;
3045 goto r_sparc_wplt30;
3047 case R_SPARC_TLS_GD_ADD:
3048 tls_type = GOT_UNKNOWN;
3049 if (h == NULL && local_got_offsets)
3050 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3052 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3053 if (! info->shared || tls_type == GOT_TLS_IE)
3055 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3057 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3059 add %g7, %reg2, %reg3. */
3060 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3061 if ((h != NULL && h->dynindx != -1) || info->shared)
3062 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3064 relocation = (insn & ~0x7c000) | 0x1c000;
3065 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3069 case R_SPARC_TLS_LDM_ADD:
3071 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3074 case R_SPARC_TLS_LDO_ADD:
3077 /* Change rs1 into %g7. */
3078 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3079 insn = (insn & ~0x7c000) | 0x1c000;
3080 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3084 case R_SPARC_TLS_IE_LD:
3085 case R_SPARC_TLS_IE_LDX:
3086 if (! info->shared && (h == NULL || h->dynindx == -1))
3088 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3089 int rs2 = insn & 0x1f;
3090 int rd = (insn >> 25) & 0x1f;
3093 relocation = SPARC_NOP;
3095 relocation = 0x80100000 | (insn & 0x3e00001f);
3096 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3100 case R_SPARC_TLS_IE_ADD:
3101 /* Totally useless relocation. */
3104 case R_SPARC_TLS_DTPOFF32:
3105 case R_SPARC_TLS_DTPOFF64:
3106 relocation -= dtpoff_base (info);
3113 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3114 because such sections are not SEC_ALLOC and thus ld.so will
3115 not process them. */
3116 if (unresolved_reloc
3117 && !((input_section->flags & SEC_DEBUGGING) != 0
3119 (*_bfd_error_handler)
3120 (_("%B(%A+0x%lx): unresolvable relocation against symbol `%s'"),
3123 (long) rel->r_offset,
3124 h->root.root.string);
3126 r = bfd_reloc_continue;
3127 if (r_type == R_SPARC_OLO10)
3131 if (! ABI_64_P (output_bfd))
3134 relocation += rel->r_addend;
3135 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3137 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3138 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3139 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3141 r = bfd_check_overflow (howto->complain_on_overflow,
3142 howto->bitsize, howto->rightshift,
3143 bfd_arch_bits_per_address (input_bfd),
3146 else if (r_type == R_SPARC_WDISP16)
3150 relocation += rel->r_addend;
3151 relocation -= (input_section->output_section->vma
3152 + input_section->output_offset);
3153 relocation -= rel->r_offset;
3155 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3156 x |= ((((relocation >> 2) & 0xc000) << 6)
3157 | ((relocation >> 2) & 0x3fff));
3158 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3160 r = bfd_check_overflow (howto->complain_on_overflow,
3161 howto->bitsize, howto->rightshift,
3162 bfd_arch_bits_per_address (input_bfd),
3165 else if (r_type == R_SPARC_REV32)
3169 relocation = relocation + rel->r_addend;
3171 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3173 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3176 else if (r_type == R_SPARC_TLS_LDO_HIX22
3177 || r_type == R_SPARC_TLS_LE_HIX22)
3181 relocation += rel->r_addend;
3182 if (r_type == R_SPARC_TLS_LE_HIX22)
3183 relocation ^= MINUS_ONE;
3185 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3186 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3187 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3190 else if (r_type == R_SPARC_TLS_LDO_LOX10
3191 || r_type == R_SPARC_TLS_LE_LOX10)
3195 relocation += rel->r_addend;
3196 relocation &= 0x3ff;
3197 if (r_type == R_SPARC_TLS_LE_LOX10)
3198 relocation |= 0x1c00;
3200 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3201 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3202 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3206 else if (r_type == R_SPARC_HIX22)
3210 relocation += rel->r_addend;
3211 relocation = relocation ^ MINUS_ONE;
3213 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3214 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3215 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3217 r = bfd_check_overflow (howto->complain_on_overflow,
3218 howto->bitsize, howto->rightshift,
3219 bfd_arch_bits_per_address (input_bfd),
3222 else if (r_type == R_SPARC_LOX10)
3226 relocation += rel->r_addend;
3227 relocation = (relocation & 0x3ff) | 0x1c00;
3229 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3230 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3231 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3235 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
3236 && sec_do_relax (input_section)
3237 && rel->r_offset + 4 < input_section->size)
3241 #define XCC (2 << 20)
3242 #define COND(x) (((x)&0xf)<<25)
3243 #define CONDA COND(0x8)
3244 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3245 #define INSN_BA (F2(0,2) | CONDA)
3246 #define INSN_OR F3(2, 0x2, 0)
3247 #define INSN_NOP F2(0,4)
3251 /* If the instruction is a call with either:
3253 arithmetic instruction with rd == %o7
3254 where rs1 != %o7 and rs2 if it is register != %o7
3255 then we can optimize if the call destination is near
3256 by changing the call into a branch always. */
3257 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3258 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3259 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
3261 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
3262 || ((y & OP3(0x28)) == 0 /* arithmetic */
3263 && (y & RD(~0)) == RD(O7)))
3264 && (y & RS1(~0)) != RS1(O7)
3266 || (y & RS2(~0)) != RS2(O7)))
3270 reloc = relocation + rel->r_addend - rel->r_offset;
3271 reloc -= (input_section->output_section->vma
3272 + input_section->output_offset);
3274 /* Ensure the branch fits into simm22. */
3275 if ((reloc & 3) == 0
3276 && ((reloc & ~(bfd_vma)0x7fffff) == 0
3277 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
3281 /* Check whether it fits into simm19. */
3282 if (((reloc & 0x3c0000) == 0
3283 || (reloc & 0x3c0000) == 0x3c0000)
3284 && (ABI_64_P (output_bfd)
3285 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
3286 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
3288 x = INSN_BA | (reloc & 0x3fffff); /* ba */
3289 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3291 if (rel->r_offset >= 4
3292 && (y & (0xffffffff ^ RS1(~0)))
3293 == (INSN_OR | RD(O7) | RS2(G0)))
3298 z = bfd_get_32 (input_bfd,
3299 contents + rel->r_offset - 4);
3300 if ((z & (0xffffffff ^ RD(~0)))
3301 != (INSN_OR | RS1(O7) | RS2(G0)))
3309 If call foo was replaced with ba, replace
3310 or %rN, %g0, %o7 with nop. */
3312 reg = (y & RS1(~0)) >> 14;
3313 if (reg != ((z & RD(~0)) >> 25)
3314 || reg == G0 || reg == O7)
3317 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
3318 contents + rel->r_offset + 4);
3326 if (r == bfd_reloc_continue)
3327 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3328 contents, rel->r_offset,
3329 relocation, rel->r_addend);
3331 if (r != bfd_reloc_ok)
3336 case bfd_reloc_outofrange:
3338 case bfd_reloc_overflow:
3346 name = bfd_elf_string_from_elf_section (input_bfd,
3347 symtab_hdr->sh_link,
3352 name = bfd_section_name (input_bfd, sec);
3354 if (! ((*info->callbacks->reloc_overflow)
3355 (info, (h ? &h->root : NULL), name, howto->name,
3356 (bfd_vma) 0, input_bfd, input_section,
3368 /* Finish up dynamic symbol handling. We set the contents of various
3369 dynamic sections here. */
3372 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
3373 struct bfd_link_info *info,
3374 struct elf_link_hash_entry *h,
3375 Elf_Internal_Sym *sym)
3378 struct _bfd_sparc_elf_link_hash_table *htab;
3380 htab = _bfd_sparc_elf_hash_table (info);
3381 dynobj = htab->elf.dynobj;
3383 if (h->plt.offset != (bfd_vma) -1)
3387 Elf_Internal_Rela rela;
3392 /* This symbol has an entry in the PLT. Set it up. */
3394 BFD_ASSERT (h->dynindx != -1);
3397 srela = htab->srelplt;
3398 BFD_ASSERT (splt != NULL && srela != NULL);
3400 /* Fill in the entry in the procedure linkage table. */
3401 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
3402 h->plt.offset, splt->size,
3405 /* Fill in the entry in the .rela.plt section. */
3406 rela.r_offset = r_offset
3407 + (splt->output_section->vma + splt->output_offset);
3408 if (! ABI_64_P (output_bfd)
3409 || h->plt.offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
3415 rela.r_addend = -(h->plt.offset + 4)
3416 -(splt->output_section->vma + splt->output_offset);
3418 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_JMP_SLOT);
3420 /* Adjust for the first 4 reserved elements in the .plt section
3421 when setting the offset in the .rela.plt section.
3422 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
3423 thus .plt[4] has corresponding .rela.plt[0] and so on. */
3425 loc = srela->contents;
3426 if (ABI_64_P (output_bfd))
3428 loc += rela_index * sizeof (Elf64_External_Rela);
3429 bfd_elf64_swap_reloca_out (output_bfd, &rela, loc);
3433 loc += rela_index * sizeof (Elf32_External_Rela);
3434 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3437 if (!h->def_regular)
3439 /* Mark the symbol as undefined, rather than as defined in
3440 the .plt section. Leave the value alone. */
3441 sym->st_shndx = SHN_UNDEF;
3442 /* If the symbol is weak, we do need to clear the value.
3443 Otherwise, the PLT entry would provide a definition for
3444 the symbol even if the symbol wasn't defined anywhere,
3445 and so the symbol would never be NULL. */
3446 if (!h->ref_regular_nonweak)
3451 if (h->got.offset != (bfd_vma) -1
3452 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
3453 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
3457 Elf_Internal_Rela rela;
3459 /* This symbol has an entry in the GOT. Set it up. */
3462 srela = htab->srelgot;
3463 BFD_ASSERT (sgot != NULL && srela != NULL);
3465 rela.r_offset = (sgot->output_section->vma
3466 + sgot->output_offset
3467 + (h->got.offset &~ (bfd_vma) 1));
3469 /* If this is a -Bsymbolic link, and the symbol is defined
3470 locally, we just want to emit a RELATIVE reloc. Likewise if
3471 the symbol was forced to be local because of a version file.
3472 The entry in the global offset table will already have been
3473 initialized in the relocate_section function. */
3475 && (info->symbolic || h->dynindx == -1)
3478 asection *sec = h->root.u.def.section;
3479 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
3480 rela.r_addend = (h->root.u.def.value
3481 + sec->output_section->vma
3482 + sec->output_offset);
3486 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
3490 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3491 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
3492 SPARC_ELF_APPEND_RELA (htab, output_bfd, srela, &rela);
3498 Elf_Internal_Rela rela;
3500 /* This symbols needs a copy reloc. Set it up. */
3501 BFD_ASSERT (h->dynindx != -1);
3503 s = bfd_get_section_by_name (h->root.u.def.section->owner,
3505 BFD_ASSERT (s != NULL);
3507 rela.r_offset = (h->root.u.def.value
3508 + h->root.u.def.section->output_section->vma
3509 + h->root.u.def.section->output_offset);
3510 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
3512 SPARC_ELF_APPEND_RELA (htab, output_bfd, s, &rela);
3515 /* Mark some specially defined symbols as absolute. */
3516 if (strcmp (h->root.root.string, "_DYNAMIC") == 0
3517 || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0
3518 || strcmp (h->root.root.string, "_PROCEDURE_LINKAGE_TABLE_") == 0)
3519 sym->st_shndx = SHN_ABS;
3524 /* Finish up the dynamic sections. */
3527 sparc64_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
3528 bfd *dynobj, asection *sdyn,
3529 asection *splt ATTRIBUTE_UNUSED)
3531 Elf64_External_Dyn *dyncon, *dynconend;
3532 int stt_regidx = -1;
3534 dyncon = (Elf64_External_Dyn *) sdyn->contents;
3535 dynconend = (Elf64_External_Dyn *) (sdyn->contents + sdyn->size);
3536 for (; dyncon < dynconend; dyncon++)
3538 Elf_Internal_Dyn dyn;
3542 bfd_elf64_swap_dyn_in (dynobj, dyncon, &dyn);
3546 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3547 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3548 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3549 case DT_SPARC_REGISTER:
3550 if (stt_regidx == -1)
3553 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
3554 if (stt_regidx == -1)
3557 dyn.d_un.d_val = stt_regidx++;
3558 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3560 default: name = NULL; size = FALSE; break;
3567 s = bfd_get_section_by_name (output_bfd, name);
3573 dyn.d_un.d_ptr = s->vma;
3575 dyn.d_un.d_val = s->size;
3577 bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
3584 sparc32_finish_dyn (bfd *output_bfd,
3585 struct bfd_link_info *info ATTRIBUTE_UNUSED,
3586 bfd *dynobj, asection *sdyn,
3587 asection *splt ATTRIBUTE_UNUSED)
3589 Elf32_External_Dyn *dyncon, *dynconend;
3591 dyncon = (Elf32_External_Dyn *) sdyn->contents;
3592 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
3593 for (; dyncon < dynconend; dyncon++)
3595 Elf_Internal_Dyn dyn;
3599 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
3603 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
3604 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
3605 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
3606 default: name = NULL; size = FALSE; break;
3613 s = bfd_get_section_by_name (output_bfd, name);
3619 dyn.d_un.d_ptr = s->vma;
3621 dyn.d_un.d_val = s->size;
3623 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
3630 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
3634 struct _bfd_sparc_elf_link_hash_table *htab;
3636 htab = _bfd_sparc_elf_hash_table (info);
3637 dynobj = htab->elf.dynobj;
3639 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
3641 if (elf_hash_table (info)->dynamic_sections_created)
3646 splt = bfd_get_section_by_name (dynobj, ".plt");
3647 BFD_ASSERT (splt != NULL && sdyn != NULL);
3649 if (ABI_64_P (output_bfd))
3650 ret = sparc64_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
3652 ret = sparc32_finish_dyn (output_bfd, info, dynobj, sdyn, splt);
3657 /* Initialize the contents of the .plt section. */
3660 if (ABI_64_P (output_bfd))
3661 memset (splt->contents, 0, 4 * PLT64_ENTRY_SIZE);
3664 memset (splt->contents, 0, 4 * PLT32_ENTRY_SIZE);
3665 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
3666 splt->contents + splt->size - 4);
3670 elf_section_data (splt->output_section)->this_hdr.sh_entsize =
3671 (ABI_64_P (output_bfd) ? PLT64_ENTRY_SIZE : PLT32_ENTRY_SIZE);
3674 /* Set the first entry in the global offset table to the address of
3675 the dynamic section. */
3676 if (htab->sgot && htab->sgot->size > 0)
3678 bfd_vma val = (sdyn ?
3679 sdyn->output_section->vma + sdyn->output_offset :
3682 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->sgot->contents);
3686 elf_section_data (htab->sgot->output_section)->this_hdr.sh_entsize =
3687 SPARC_ELF_WORD_BYTES (htab);
3693 /* Set the right machine number for a SPARC ELF file. */
3696 _bfd_sparc_elf_object_p (bfd *abfd)
3698 if (ABI_64_P (abfd))
3700 unsigned long mach = bfd_mach_sparc_v9;
3702 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
3703 mach = bfd_mach_sparc_v9b;
3704 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
3705 mach = bfd_mach_sparc_v9a;
3706 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
3710 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
3712 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
3713 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3714 bfd_mach_sparc_v8plusb);
3715 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
3716 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3717 bfd_mach_sparc_v8plusa);
3718 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
3719 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3720 bfd_mach_sparc_v8plus);
3724 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
3725 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
3726 bfd_mach_sparc_sparclite_le);
3728 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
3732 /* Return address for Ith PLT stub in section PLT, for relocation REL
3733 or (bfd_vma) -1 if it should not be included. */
3736 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
3738 if (ABI_64_P (plt->owner))
3742 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
3743 if (i < PLT64_LARGE_THRESHOLD)
3744 return plt->vma + i * PLT64_ENTRY_SIZE;
3746 j = (i - PLT64_LARGE_THRESHOLD) % 160;
3748 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
3751 return rel->address;