1 /* SPARC-specific support for ELF
2 Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
23 /* This file handles functionality common to the different SPARC ABI's. */
29 #include "libiberty.h"
31 #include "elf/sparc.h"
32 #include "opcode/sparc.h"
33 #include "elfxx-sparc.h"
34 #include "elf-vxworks.h"
38 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
39 #define MINUS_ONE (~ (bfd_vma) 0)
41 #define ABI_64_P(abfd) \
42 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
44 /* The relocation "howto" table. */
46 /* Utility for performing the standard initial work of an instruction
48 *PRELOCATION will contain the relocated item.
49 *PINSN will contain the instruction from the input stream.
50 If the result is `bfd_reloc_other' the caller can continue with
51 performing the relocation. Otherwise it must stop and return the
52 value to its caller. */
54 static bfd_reloc_status_type
55 init_insn_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
56 PTR data, asection *input_section, bfd *output_bfd,
57 bfd_vma *prelocation, bfd_vma *pinsn)
60 reloc_howto_type *howto = reloc_entry->howto;
62 if (output_bfd != (bfd *) NULL
63 && (symbol->flags & BSF_SECTION_SYM) == 0
64 && (! howto->partial_inplace
65 || reloc_entry->addend == 0))
67 reloc_entry->address += input_section->output_offset;
71 /* This works because partial_inplace is FALSE. */
72 if (output_bfd != NULL)
73 return bfd_reloc_continue;
75 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
76 return bfd_reloc_outofrange;
78 relocation = (symbol->value
79 + symbol->section->output_section->vma
80 + symbol->section->output_offset);
81 relocation += reloc_entry->addend;
82 if (howto->pc_relative)
84 relocation -= (input_section->output_section->vma
85 + input_section->output_offset);
86 relocation -= reloc_entry->address;
89 *prelocation = relocation;
90 *pinsn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
91 return bfd_reloc_other;
94 /* For unsupported relocs. */
96 static bfd_reloc_status_type
97 sparc_elf_notsup_reloc (bfd *abfd ATTRIBUTE_UNUSED,
98 arelent *reloc_entry ATTRIBUTE_UNUSED,
99 asymbol *symbol ATTRIBUTE_UNUSED,
100 PTR data ATTRIBUTE_UNUSED,
101 asection *input_section ATTRIBUTE_UNUSED,
102 bfd *output_bfd ATTRIBUTE_UNUSED,
103 char **error_message ATTRIBUTE_UNUSED)
105 return bfd_reloc_notsupported;
108 /* Handle the WDISP16 reloc. */
110 static bfd_reloc_status_type
111 sparc_elf_wdisp16_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
112 PTR data, asection *input_section, bfd *output_bfd,
113 char **error_message ATTRIBUTE_UNUSED)
117 bfd_reloc_status_type status;
119 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
120 input_section, output_bfd, &relocation, &insn);
121 if (status != bfd_reloc_other)
124 insn &= ~ (bfd_vma) 0x303fff;
125 insn |= (((relocation >> 2) & 0xc000) << 6) | ((relocation >> 2) & 0x3fff);
126 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
128 if ((bfd_signed_vma) relocation < - 0x40000
129 || (bfd_signed_vma) relocation > 0x3ffff)
130 return bfd_reloc_overflow;
135 /* Handle the HIX22 reloc. */
137 static bfd_reloc_status_type
138 sparc_elf_hix22_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
139 PTR data, asection *input_section, bfd *output_bfd,
140 char **error_message ATTRIBUTE_UNUSED)
144 bfd_reloc_status_type status;
146 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
147 input_section, output_bfd, &relocation, &insn);
148 if (status != bfd_reloc_other)
151 relocation ^= MINUS_ONE;
152 insn = (insn &~ (bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
153 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
155 if ((relocation & ~ (bfd_vma) 0xffffffff) != 0)
156 return bfd_reloc_overflow;
161 /* Handle the LOX10 reloc. */
163 static bfd_reloc_status_type
164 sparc_elf_lox10_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol,
165 PTR data, asection *input_section, bfd *output_bfd,
166 char **error_message ATTRIBUTE_UNUSED)
170 bfd_reloc_status_type status;
172 status = init_insn_reloc (abfd, reloc_entry, symbol, data,
173 input_section, output_bfd, &relocation, &insn);
174 if (status != bfd_reloc_other)
177 insn = (insn &~ (bfd_vma) 0x1fff) | 0x1c00 | (relocation & 0x3ff);
178 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
183 static reloc_howto_type _bfd_sparc_elf_howto_table[] =
185 HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
186 HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_8", FALSE,0,0x000000ff,TRUE),
187 HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
188 HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_32", FALSE,0,0xffffffff,TRUE),
189 HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
190 HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
191 HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP32", FALSE,0,0xffffffff,TRUE),
192 HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
193 HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
194 HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
195 HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_22", FALSE,0,0x003fffff,TRUE),
196 HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_13", FALSE,0,0x00001fff,TRUE),
197 HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
198 HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
199 HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
200 HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
201 HOWTO(R_SPARC_PC10, 0,2,10,TRUE, 0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
202 HOWTO(R_SPARC_PC22, 10,2,22,TRUE, 0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
203 HOWTO(R_SPARC_WPLT30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WPLT30", FALSE,0,0x3fffffff,TRUE),
204 HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
205 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),
206 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),
207 HOWTO(R_SPARC_RELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
208 HOWTO(R_SPARC_UA32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA32", FALSE,0,0xffffffff,TRUE),
209 HOWTO(R_SPARC_PLT32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT32", FALSE,0,0xffffffff,TRUE),
210 HOWTO(R_SPARC_HIPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_HIPLT22", FALSE,0,0x00000000,TRUE),
211 HOWTO(R_SPARC_LOPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_LOPLT10", FALSE,0,0x00000000,TRUE),
212 HOWTO(R_SPARC_PCPLT32, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT32", FALSE,0,0x00000000,TRUE),
213 HOWTO(R_SPARC_PCPLT22, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT22", FALSE,0,0x00000000,TRUE),
214 HOWTO(R_SPARC_PCPLT10, 0,0,00,FALSE,0,complain_overflow_dont, sparc_elf_notsup_reloc, "R_SPARC_PCPLT10", FALSE,0,0x00000000,TRUE),
215 HOWTO(R_SPARC_10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_10", FALSE,0,0x000003ff,TRUE),
216 HOWTO(R_SPARC_11, 0,2,11,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_11", FALSE,0,0x000007ff,TRUE),
217 HOWTO(R_SPARC_64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_64", FALSE,0,MINUS_ONE, TRUE),
218 HOWTO(R_SPARC_OLO10, 0,2,13,FALSE,0,complain_overflow_signed, sparc_elf_notsup_reloc, "R_SPARC_OLO10", FALSE,0,0x00001fff,TRUE),
219 HOWTO(R_SPARC_HH22, 42,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_HH22", FALSE,0,0x003fffff,TRUE),
220 HOWTO(R_SPARC_HM10, 32,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_HM10", FALSE,0,0x000003ff,TRUE),
221 HOWTO(R_SPARC_LM22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_LM22", FALSE,0,0x003fffff,TRUE),
222 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),
223 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),
224 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),
225 HOWTO(R_SPARC_WDISP16, 2,2,16,TRUE, 0,complain_overflow_signed, sparc_elf_wdisp16_reloc,"R_SPARC_WDISP16", FALSE,0,0x00000000,TRUE),
226 HOWTO(R_SPARC_WDISP19, 2,2,19,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_WDISP19", FALSE,0,0x0007ffff,TRUE),
227 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),
228 HOWTO(R_SPARC_7, 0,2, 7,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_7", FALSE,0,0x0000007f,TRUE),
229 HOWTO(R_SPARC_5, 0,2, 5,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_5", FALSE,0,0x0000001f,TRUE),
230 HOWTO(R_SPARC_6, 0,2, 6,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_6", FALSE,0,0x0000003f,TRUE),
231 HOWTO(R_SPARC_DISP64, 0,4,64,TRUE, 0,complain_overflow_signed, bfd_elf_generic_reloc, "R_SPARC_DISP64", FALSE,0,MINUS_ONE, TRUE),
232 HOWTO(R_SPARC_PLT64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_PLT64", FALSE,0,MINUS_ONE, TRUE),
233 HOWTO(R_SPARC_HIX22, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc, "R_SPARC_HIX22", FALSE,0,MINUS_ONE, FALSE),
234 HOWTO(R_SPARC_LOX10, 0,4, 0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_LOX10", FALSE,0,MINUS_ONE, FALSE),
235 HOWTO(R_SPARC_H44, 22,2,22,FALSE,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", FALSE,0,0x003fffff,FALSE),
236 HOWTO(R_SPARC_M44, 12,2,10,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", FALSE,0,0x000003ff,FALSE),
237 HOWTO(R_SPARC_L44, 0,2,13,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", FALSE,0,0x00000fff,FALSE),
238 HOWTO(R_SPARC_REGISTER, 0,4, 0,FALSE,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",FALSE,0,MINUS_ONE, FALSE),
239 HOWTO(R_SPARC_UA64, 0,4,64,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", FALSE,0,MINUS_ONE, TRUE),
240 HOWTO(R_SPARC_UA16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", FALSE,0,0x0000ffff,TRUE),
241 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),
242 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),
243 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),
244 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),
245 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),
246 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),
247 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),
248 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),
249 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),
250 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),
251 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),
252 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),
253 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),
254 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),
255 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),
256 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),
257 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),
258 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),
259 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),
260 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),
261 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),
262 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),
263 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),
264 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),
265 HOWTO(R_SPARC_GOTDATA_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_HIX22",FALSE,0,0x003fffff, FALSE),
266 HOWTO(R_SPARC_GOTDATA_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_LOX10",FALSE,0,0x000003ff, FALSE),
267 HOWTO(R_SPARC_GOTDATA_OP_HIX22,0,2,0,FALSE,0,complain_overflow_bitfield,sparc_elf_hix22_reloc,"R_SPARC_GOTDATA_OP_HIX22",FALSE,0,0x003fffff, FALSE),
268 HOWTO(R_SPARC_GOTDATA_OP_LOX10,0,2,0,FALSE,0,complain_overflow_dont, sparc_elf_lox10_reloc, "R_SPARC_GOTDATA_OP_LOX10",FALSE,0,0x000003ff, FALSE),
269 HOWTO(R_SPARC_GOTDATA_OP,0,0, 0,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_GOTDATA_OP",FALSE,0,0x00000000,TRUE),
271 static reloc_howto_type sparc_jmp_irel_howto =
272 HOWTO(R_SPARC_JMP_IREL, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_JMP_IREL",FALSE,0,0x00000000,TRUE);
273 static reloc_howto_type sparc_irelative_howto =
274 HOWTO(R_SPARC_IRELATIVE, 0,0,00,FALSE,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_IRELATIVE",FALSE,0,0x00000000,TRUE);
275 static reloc_howto_type sparc_vtinherit_howto =
276 HOWTO (R_SPARC_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_SPARC_GNU_VTINHERIT", FALSE,0, 0, FALSE);
277 static reloc_howto_type sparc_vtentry_howto =
278 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);
279 static reloc_howto_type sparc_rev32_howto =
280 HOWTO(R_SPARC_REV32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_REV32", FALSE,0,0xffffffff,TRUE);
283 _bfd_sparc_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
284 bfd_reloc_code_real_type code)
286 /* We explicitly handle each relocation type in the switch
287 instead of using a lookup table for efficiency. */
291 return &_bfd_sparc_elf_howto_table[R_SPARC_NONE];
294 return &_bfd_sparc_elf_howto_table[R_SPARC_8];
297 return &_bfd_sparc_elf_howto_table[R_SPARC_16];
300 return &_bfd_sparc_elf_howto_table[R_SPARC_32];
302 case BFD_RELOC_8_PCREL:
303 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP8];
305 case BFD_RELOC_16_PCREL:
306 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP16];
308 case BFD_RELOC_32_PCREL:
309 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP32];
311 case BFD_RELOC_32_PCREL_S2:
312 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP30];
314 case BFD_RELOC_SPARC_WDISP22:
315 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP22];
318 return &_bfd_sparc_elf_howto_table[R_SPARC_HI22];
320 case BFD_RELOC_SPARC22:
321 return &_bfd_sparc_elf_howto_table[R_SPARC_22];
323 case BFD_RELOC_SPARC13:
324 return &_bfd_sparc_elf_howto_table[R_SPARC_13];
327 return &_bfd_sparc_elf_howto_table[R_SPARC_LO10];
329 case BFD_RELOC_SPARC_GOT10:
330 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT10];
332 case BFD_RELOC_SPARC_GOT13:
333 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT13];
335 case BFD_RELOC_SPARC_GOT22:
336 return &_bfd_sparc_elf_howto_table[R_SPARC_GOT22];
338 case BFD_RELOC_SPARC_PC10:
339 return &_bfd_sparc_elf_howto_table[R_SPARC_PC10];
341 case BFD_RELOC_SPARC_PC22:
342 return &_bfd_sparc_elf_howto_table[R_SPARC_PC22];
344 case BFD_RELOC_SPARC_WPLT30:
345 return &_bfd_sparc_elf_howto_table[R_SPARC_WPLT30];
347 case BFD_RELOC_SPARC_COPY:
348 return &_bfd_sparc_elf_howto_table[R_SPARC_COPY];
350 case BFD_RELOC_SPARC_GLOB_DAT:
351 return &_bfd_sparc_elf_howto_table[R_SPARC_GLOB_DAT];
353 case BFD_RELOC_SPARC_JMP_SLOT:
354 return &_bfd_sparc_elf_howto_table[R_SPARC_JMP_SLOT];
356 case BFD_RELOC_SPARC_RELATIVE:
357 return &_bfd_sparc_elf_howto_table[R_SPARC_RELATIVE];
359 case BFD_RELOC_SPARC_UA32:
360 return &_bfd_sparc_elf_howto_table[R_SPARC_UA32];
362 case BFD_RELOC_SPARC_PLT32:
363 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT32];
365 case BFD_RELOC_SPARC_10:
366 return &_bfd_sparc_elf_howto_table[R_SPARC_10];
368 case BFD_RELOC_SPARC_11:
369 return &_bfd_sparc_elf_howto_table[R_SPARC_11];
371 case BFD_RELOC_SPARC_64:
372 return &_bfd_sparc_elf_howto_table[R_SPARC_64];
374 case BFD_RELOC_SPARC_OLO10:
375 return &_bfd_sparc_elf_howto_table[R_SPARC_OLO10];
377 case BFD_RELOC_SPARC_HH22:
378 return &_bfd_sparc_elf_howto_table[R_SPARC_HH22];
380 case BFD_RELOC_SPARC_HM10:
381 return &_bfd_sparc_elf_howto_table[R_SPARC_HM10];
383 case BFD_RELOC_SPARC_LM22:
384 return &_bfd_sparc_elf_howto_table[R_SPARC_LM22];
386 case BFD_RELOC_SPARC_PC_HH22:
387 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HH22];
389 case BFD_RELOC_SPARC_PC_HM10:
390 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_HM10];
392 case BFD_RELOC_SPARC_PC_LM22:
393 return &_bfd_sparc_elf_howto_table[R_SPARC_PC_LM22];
395 case BFD_RELOC_SPARC_WDISP16:
396 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP16];
398 case BFD_RELOC_SPARC_WDISP19:
399 return &_bfd_sparc_elf_howto_table[R_SPARC_WDISP19];
401 case BFD_RELOC_SPARC_7:
402 return &_bfd_sparc_elf_howto_table[R_SPARC_7];
404 case BFD_RELOC_SPARC_5:
405 return &_bfd_sparc_elf_howto_table[R_SPARC_5];
407 case BFD_RELOC_SPARC_6:
408 return &_bfd_sparc_elf_howto_table[R_SPARC_6];
410 case BFD_RELOC_SPARC_DISP64:
411 return &_bfd_sparc_elf_howto_table[R_SPARC_DISP64];
413 case BFD_RELOC_SPARC_PLT64:
414 return &_bfd_sparc_elf_howto_table[R_SPARC_PLT64];
416 case BFD_RELOC_SPARC_HIX22:
417 return &_bfd_sparc_elf_howto_table[R_SPARC_HIX22];
419 case BFD_RELOC_SPARC_LOX10:
420 return &_bfd_sparc_elf_howto_table[R_SPARC_LOX10];
422 case BFD_RELOC_SPARC_H44:
423 return &_bfd_sparc_elf_howto_table[R_SPARC_H44];
425 case BFD_RELOC_SPARC_M44:
426 return &_bfd_sparc_elf_howto_table[R_SPARC_M44];
428 case BFD_RELOC_SPARC_L44:
429 return &_bfd_sparc_elf_howto_table[R_SPARC_L44];
431 case BFD_RELOC_SPARC_REGISTER:
432 return &_bfd_sparc_elf_howto_table[R_SPARC_REGISTER];
434 case BFD_RELOC_SPARC_UA64:
435 return &_bfd_sparc_elf_howto_table[R_SPARC_UA64];
437 case BFD_RELOC_SPARC_UA16:
438 return &_bfd_sparc_elf_howto_table[R_SPARC_UA16];
440 case BFD_RELOC_SPARC_TLS_GD_HI22:
441 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_HI22];
443 case BFD_RELOC_SPARC_TLS_GD_LO10:
444 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_LO10];
446 case BFD_RELOC_SPARC_TLS_GD_ADD:
447 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_ADD];
449 case BFD_RELOC_SPARC_TLS_GD_CALL:
450 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_GD_CALL];
452 case BFD_RELOC_SPARC_TLS_LDM_HI22:
453 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_HI22];
455 case BFD_RELOC_SPARC_TLS_LDM_LO10:
456 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_LO10];
458 case BFD_RELOC_SPARC_TLS_LDM_ADD:
459 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_ADD];
461 case BFD_RELOC_SPARC_TLS_LDM_CALL:
462 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDM_CALL];
464 case BFD_RELOC_SPARC_TLS_LDO_HIX22:
465 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_HIX22];
467 case BFD_RELOC_SPARC_TLS_LDO_LOX10:
468 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_LOX10];
470 case BFD_RELOC_SPARC_TLS_LDO_ADD:
471 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LDO_ADD];
473 case BFD_RELOC_SPARC_TLS_IE_HI22:
474 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_HI22];
476 case BFD_RELOC_SPARC_TLS_IE_LO10:
477 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LO10];
479 case BFD_RELOC_SPARC_TLS_IE_LD:
480 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LD];
482 case BFD_RELOC_SPARC_TLS_IE_LDX:
483 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_LDX];
485 case BFD_RELOC_SPARC_TLS_IE_ADD:
486 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_IE_ADD];
488 case BFD_RELOC_SPARC_TLS_LE_HIX22:
489 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_HIX22];
491 case BFD_RELOC_SPARC_TLS_LE_LOX10:
492 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_LE_LOX10];
494 case BFD_RELOC_SPARC_TLS_DTPMOD32:
495 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD32];
497 case BFD_RELOC_SPARC_TLS_DTPMOD64:
498 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPMOD64];
500 case BFD_RELOC_SPARC_TLS_DTPOFF32:
501 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF32];
503 case BFD_RELOC_SPARC_TLS_DTPOFF64:
504 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_DTPOFF64];
506 case BFD_RELOC_SPARC_TLS_TPOFF32:
507 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF32];
509 case BFD_RELOC_SPARC_TLS_TPOFF64:
510 return &_bfd_sparc_elf_howto_table[R_SPARC_TLS_TPOFF64];
512 case BFD_RELOC_SPARC_GOTDATA_HIX22:
513 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_HIX22];
515 case BFD_RELOC_SPARC_GOTDATA_LOX10:
516 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_LOX10];
518 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22:
519 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_HIX22];
521 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10:
522 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP_LOX10];
524 case BFD_RELOC_SPARC_GOTDATA_OP:
525 return &_bfd_sparc_elf_howto_table[R_SPARC_GOTDATA_OP];
527 case BFD_RELOC_SPARC_JMP_IREL:
528 return &sparc_jmp_irel_howto;
530 case BFD_RELOC_SPARC_IRELATIVE:
531 return &sparc_irelative_howto;
533 case BFD_RELOC_VTABLE_INHERIT:
534 return &sparc_vtinherit_howto;
536 case BFD_RELOC_VTABLE_ENTRY:
537 return &sparc_vtentry_howto;
539 case BFD_RELOC_SPARC_REV32:
540 return &sparc_rev32_howto;
545 bfd_set_error (bfd_error_bad_value);
550 _bfd_sparc_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
556 i < (sizeof (_bfd_sparc_elf_howto_table)
557 / sizeof (_bfd_sparc_elf_howto_table[0]));
559 if (_bfd_sparc_elf_howto_table[i].name != NULL
560 && strcasecmp (_bfd_sparc_elf_howto_table[i].name, r_name) == 0)
561 return &_bfd_sparc_elf_howto_table[i];
563 if (strcasecmp (sparc_vtinherit_howto.name, r_name) == 0)
564 return &sparc_vtinherit_howto;
565 if (strcasecmp (sparc_vtentry_howto.name, r_name) == 0)
566 return &sparc_vtentry_howto;
567 if (strcasecmp (sparc_rev32_howto.name, r_name) == 0)
568 return &sparc_rev32_howto;
574 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type)
578 case R_SPARC_JMP_IREL:
579 return &sparc_jmp_irel_howto;
581 case R_SPARC_IRELATIVE:
582 return &sparc_irelative_howto;
584 case R_SPARC_GNU_VTINHERIT:
585 return &sparc_vtinherit_howto;
587 case R_SPARC_GNU_VTENTRY:
588 return &sparc_vtentry_howto;
591 return &sparc_rev32_howto;
594 if (r_type >= (unsigned int) R_SPARC_max_std)
596 (*_bfd_error_handler) (_("invalid relocation type %d"),
598 r_type = R_SPARC_NONE;
600 return &_bfd_sparc_elf_howto_table[r_type];
604 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
605 so just take advantage of that. */
606 #define SPARC_ELF_R_TYPE(r_info) \
610 _bfd_sparc_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED, arelent *cache_ptr,
611 Elf_Internal_Rela *dst)
613 unsigned int r_type = SPARC_ELF_R_TYPE (dst->r_info);
615 cache_ptr->howto = _bfd_sparc_elf_info_to_howto_ptr (r_type);
619 /* The nop opcode we use. */
620 #define SPARC_NOP 0x01000000
622 #define SPARC_INSN_BYTES 4
624 /* The SPARC linker needs to keep track of the number of relocs that it
625 decides to copy as dynamic relocs in check_relocs for each symbol.
626 This is so that it can later discard them if they are found to be
627 unnecessary. We store the information in a field extending the
628 regular ELF linker hash table. */
630 struct _bfd_sparc_elf_dyn_relocs
632 struct _bfd_sparc_elf_dyn_relocs *next;
634 /* The input section of the reloc. */
637 /* Total number of relocs copied for the input section. */
640 /* Number of pc-relative relocs copied for the input section. */
641 bfd_size_type pc_count;
644 /* SPARC ELF linker hash entry. */
646 struct _bfd_sparc_elf_link_hash_entry
648 struct elf_link_hash_entry elf;
650 /* Track dynamic relocs copied for this symbol. */
651 struct _bfd_sparc_elf_dyn_relocs *dyn_relocs;
653 #define GOT_UNKNOWN 0
657 unsigned char tls_type;
660 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
662 struct _bfd_sparc_elf_obj_tdata
664 struct elf_obj_tdata root;
666 /* tls_type for each local got entry. */
667 char *local_got_tls_type;
669 /* TRUE if TLS GD relocs has been seen for this object. */
670 bfd_boolean has_tlsgd;
673 #define _bfd_sparc_elf_tdata(abfd) \
674 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
676 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
677 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
679 #define is_sparc_elf(bfd) \
680 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
681 && elf_tdata (bfd) != NULL \
682 && elf_object_id (bfd) == SPARC_ELF_DATA)
685 _bfd_sparc_elf_mkobject (bfd *abfd)
687 return bfd_elf_allocate_object (abfd, sizeof (struct _bfd_sparc_elf_obj_tdata),
692 sparc_put_word_32 (bfd *abfd, bfd_vma val, void *ptr)
694 bfd_put_32 (abfd, val, ptr);
698 sparc_put_word_64 (bfd *abfd, bfd_vma val, void *ptr)
700 bfd_put_64 (abfd, val, ptr);
704 sparc_elf_append_rela (bfd *abfd, asection *s, Elf_Internal_Rela *rel)
706 const struct elf_backend_data *bed;
709 bed = get_elf_backend_data (abfd);
710 loc = s->contents + (s->reloc_count++ * bed->s->sizeof_rela);
711 bed->s->swap_reloca_out (abfd, rel, loc);
715 sparc_elf_r_info_64 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
716 bfd_vma rel_index ATTRIBUTE_UNUSED,
717 bfd_vma type ATTRIBUTE_UNUSED)
719 return ELF64_R_INFO (rel_index,
721 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel->r_info),
726 sparc_elf_r_info_32 (Elf_Internal_Rela *in_rel ATTRIBUTE_UNUSED,
727 bfd_vma rel_index, bfd_vma type)
729 return ELF32_R_INFO (rel_index, type);
733 sparc_elf_r_symndx_64 (bfd_vma r_info)
735 bfd_vma r_symndx = ELF32_R_SYM (r_info);
736 return (r_symndx >> 24);
740 sparc_elf_r_symndx_32 (bfd_vma r_info)
742 return ELF32_R_SYM (r_info);
747 #define PLT32_ENTRY_SIZE 12
748 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
750 /* The first four entries in a 32-bit procedure linkage table are reserved,
751 and the initial contents are unimportant (we zero them out).
752 Subsequent entries look like this. See the SVR4 ABI SPARC
753 supplement to see how this works. */
755 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
756 #define PLT32_ENTRY_WORD0 0x03000000
757 /* b,a .plt0. We fill in the offset later. */
758 #define PLT32_ENTRY_WORD1 0x30800000
760 #define PLT32_ENTRY_WORD2 SPARC_NOP
763 sparc32_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
764 bfd_vma max ATTRIBUTE_UNUSED,
767 bfd_put_32 (output_bfd,
768 PLT32_ENTRY_WORD0 + offset,
769 splt->contents + offset);
770 bfd_put_32 (output_bfd,
772 + (((- (offset + 4)) >> 2) & 0x3fffff)),
773 splt->contents + offset + 4);
774 bfd_put_32 (output_bfd, (bfd_vma) PLT32_ENTRY_WORD2,
775 splt->contents + offset + 8);
779 return offset / PLT32_ENTRY_SIZE - 4;
782 /* Both the headers and the entries are icache aligned. */
783 #define PLT64_ENTRY_SIZE 32
784 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
785 #define PLT64_LARGE_THRESHOLD 32768
788 sparc64_plt_entry_build (bfd *output_bfd, asection *splt, bfd_vma offset,
789 bfd_vma max, bfd_vma *r_offset)
791 unsigned char *entry = splt->contents + offset;
792 const unsigned int nop = SPARC_NOP;
795 if (offset < (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
797 unsigned int sethi, ba;
801 plt_index = (offset / PLT64_ENTRY_SIZE);
803 sethi = 0x03000000 | (plt_index * PLT64_ENTRY_SIZE);
805 | (((splt->contents + PLT64_ENTRY_SIZE) - (entry + 4)) / 4 & 0x7ffff);
807 bfd_put_32 (output_bfd, (bfd_vma) sethi, entry);
808 bfd_put_32 (output_bfd, (bfd_vma) ba, entry + 4);
809 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 8);
810 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 12);
811 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 16);
812 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 20);
813 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 24);
814 bfd_put_32 (output_bfd, (bfd_vma) nop, entry + 28);
820 int block, last_block, ofs, last_ofs, chunks_this_block;
821 const int insn_chunk_size = (6 * 4);
822 const int ptr_chunk_size = (1 * 8);
823 const int entries_per_block = 160;
824 const int block_size = entries_per_block * (insn_chunk_size
827 /* Entries 32768 and higher are grouped into blocks of 160.
828 The blocks are further subdivided into 160 sequences of
829 6 instructions and 160 pointers. If a block does not require
830 the full 160 entries, let's say it requires N, then there
831 will be N sequences of 6 instructions and N pointers. */
833 offset -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
834 max -= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE);
836 block = offset / block_size;
837 last_block = max / block_size;
838 if (block != last_block)
840 chunks_this_block = 160;
844 last_ofs = max % block_size;
845 chunks_this_block = last_ofs / (insn_chunk_size + ptr_chunk_size);
848 ofs = offset % block_size;
850 plt_index = (PLT64_LARGE_THRESHOLD +
852 (ofs / insn_chunk_size));
855 + (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
856 + (block * block_size)
857 + (chunks_this_block * insn_chunk_size)
858 + (ofs / insn_chunk_size) * ptr_chunk_size;
860 *r_offset = (bfd_vma) (ptr - splt->contents);
862 ldx = 0xc25be000 | ((ptr - (entry+4)) & 0x1fff);
870 bfd_put_32 (output_bfd, (bfd_vma) 0x8a10000f, entry);
871 bfd_put_32 (output_bfd, (bfd_vma) 0x40000002, entry + 4);
872 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP, entry + 8);
873 bfd_put_32 (output_bfd, (bfd_vma) ldx, entry + 12);
874 bfd_put_32 (output_bfd, (bfd_vma) 0x83c3c001, entry + 16);
875 bfd_put_32 (output_bfd, (bfd_vma) 0x9e100005, entry + 20);
877 bfd_put_64 (output_bfd, (bfd_vma) (splt->contents - (entry + 4)), ptr);
880 return plt_index - 4;
883 /* The format of the first PLT entry in a VxWorks executable. */
884 static const bfd_vma sparc_vxworks_exec_plt0_entry[] =
886 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
887 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
888 0xc4008000, /* ld [ %g2 ], %g2 */
889 0x81c08000, /* jmp %g2 */
893 /* The format of subsequent PLT entries. */
894 static const bfd_vma sparc_vxworks_exec_plt_entry[] =
896 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
897 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
898 0xc2004000, /* ld [ %g1 ], %g1 */
899 0x81c04000, /* jmp %g1 */
900 0x01000000, /* nop */
901 0x03000000, /* sethi %hi(f@pltindex), %g1 */
902 0x10800000, /* b _PLT_resolve */
903 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
906 /* The format of the first PLT entry in a VxWorks shared object. */
907 static const bfd_vma sparc_vxworks_shared_plt0_entry[] =
909 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
910 0x81c08000, /* jmp %g2 */
914 /* The format of subsequent PLT entries. */
915 static const bfd_vma sparc_vxworks_shared_plt_entry[] =
917 0x03000000, /* sethi %hi(f@got), %g1 */
918 0x82106000, /* or %g1, %lo(f@got), %g1 */
919 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
920 0x81c04000, /* jmp %g1 */
921 0x01000000, /* nop */
922 0x03000000, /* sethi %hi(f@pltindex), %g1 */
923 0x10800000, /* b _PLT_resolve */
924 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
927 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
928 htab->put_word(bfd, val, ptr)
930 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
931 htab->r_info(in_rel, index, type)
933 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
934 htab->r_symndx(r_info)
936 #define SPARC_ELF_WORD_BYTES(htab) \
939 #define SPARC_ELF_RELA_BYTES(htab) \
942 #define SPARC_ELF_DTPOFF_RELOC(htab) \
945 #define SPARC_ELF_DTPMOD_RELOC(htab) \
948 #define SPARC_ELF_TPOFF_RELOC(htab) \
951 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
952 htab->build_plt_entry (obfd, splt, off, max, r_off)
954 /* Create an entry in an SPARC ELF linker hash table. */
956 static struct bfd_hash_entry *
957 link_hash_newfunc (struct bfd_hash_entry *entry,
958 struct bfd_hash_table *table, const char *string)
960 /* Allocate the structure if it has not already been allocated by a
964 entry = bfd_hash_allocate (table,
965 sizeof (struct _bfd_sparc_elf_link_hash_entry));
970 /* Call the allocation method of the superclass. */
971 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
974 struct _bfd_sparc_elf_link_hash_entry *eh;
976 eh = (struct _bfd_sparc_elf_link_hash_entry *) entry;
977 eh->dyn_relocs = NULL;
978 eh->tls_type = GOT_UNKNOWN;
984 /* The name of the dynamic interpreter. This is put in the .interp
987 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
988 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
990 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
991 for local symbol so that we can handle local STT_GNU_IFUNC symbols
992 as global symbol. We reuse indx and dynstr_index for local symbol
993 hash since they aren't used by global symbols in this backend. */
996 elf_sparc_local_htab_hash (const void *ptr)
998 struct elf_link_hash_entry *h
999 = (struct elf_link_hash_entry *) ptr;
1000 return ELF_LOCAL_SYMBOL_HASH (h->indx, h->dynstr_index);
1003 /* Compare local hash entries. */
1006 elf_sparc_local_htab_eq (const void *ptr1, const void *ptr2)
1008 struct elf_link_hash_entry *h1
1009 = (struct elf_link_hash_entry *) ptr1;
1010 struct elf_link_hash_entry *h2
1011 = (struct elf_link_hash_entry *) ptr2;
1013 return h1->indx == h2->indx && h1->dynstr_index == h2->dynstr_index;
1016 /* Find and/or create a hash entry for local symbol. */
1018 static struct elf_link_hash_entry *
1019 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table *htab,
1020 bfd *abfd, const Elf_Internal_Rela *rel,
1023 struct _bfd_sparc_elf_link_hash_entry e, *ret;
1024 asection *sec = abfd->sections;
1025 unsigned long r_symndx;
1029 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1030 h = ELF_LOCAL_SYMBOL_HASH (sec->id, r_symndx);
1032 e.elf.indx = sec->id;
1033 e.elf.dynstr_index = r_symndx;
1034 slot = htab_find_slot_with_hash (htab->loc_hash_table, &e, h,
1035 create ? INSERT : NO_INSERT);
1042 ret = (struct _bfd_sparc_elf_link_hash_entry *) *slot;
1046 ret = (struct _bfd_sparc_elf_link_hash_entry *)
1047 objalloc_alloc ((struct objalloc *) htab->loc_hash_memory,
1048 sizeof (struct _bfd_sparc_elf_link_hash_entry));
1051 memset (ret, 0, sizeof (*ret));
1052 ret->elf.indx = sec->id;
1053 ret->elf.dynstr_index = r_symndx;
1054 ret->elf.dynindx = -1;
1055 ret->elf.plt.offset = (bfd_vma) -1;
1056 ret->elf.got.offset = (bfd_vma) -1;
1062 /* Create a SPARC ELF linker hash table. */
1064 struct bfd_link_hash_table *
1065 _bfd_sparc_elf_link_hash_table_create (bfd *abfd)
1067 struct _bfd_sparc_elf_link_hash_table *ret;
1068 bfd_size_type amt = sizeof (struct _bfd_sparc_elf_link_hash_table);
1070 ret = (struct _bfd_sparc_elf_link_hash_table *) bfd_zmalloc (amt);
1074 if (ABI_64_P (abfd))
1076 ret->put_word = sparc_put_word_64;
1077 ret->r_info = sparc_elf_r_info_64;
1078 ret->r_symndx = sparc_elf_r_symndx_64;
1079 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF64;
1080 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD64;
1081 ret->tpoff_reloc = R_SPARC_TLS_TPOFF64;
1082 ret->word_align_power = 3;
1083 ret->align_power_max = 4;
1084 ret->bytes_per_word = 8;
1085 ret->bytes_per_rela = sizeof (Elf64_External_Rela);
1086 ret->dynamic_interpreter = ELF64_DYNAMIC_INTERPRETER;
1087 ret->dynamic_interpreter_size = sizeof ELF64_DYNAMIC_INTERPRETER;
1089 ret->build_plt_entry = sparc64_plt_entry_build;
1090 ret->plt_header_size = PLT64_HEADER_SIZE;
1091 ret->plt_entry_size = PLT64_ENTRY_SIZE;
1095 ret->put_word = sparc_put_word_32;
1096 ret->r_info = sparc_elf_r_info_32;
1097 ret->r_symndx = sparc_elf_r_symndx_32;
1098 ret->dtpoff_reloc = R_SPARC_TLS_DTPOFF32;
1099 ret->dtpmod_reloc = R_SPARC_TLS_DTPMOD32;
1100 ret->tpoff_reloc = R_SPARC_TLS_TPOFF32;
1101 ret->word_align_power = 2;
1102 ret->align_power_max = 3;
1103 ret->bytes_per_word = 4;
1104 ret->bytes_per_rela = sizeof (Elf32_External_Rela);
1105 ret->dynamic_interpreter = ELF32_DYNAMIC_INTERPRETER;
1106 ret->dynamic_interpreter_size = sizeof ELF32_DYNAMIC_INTERPRETER;
1108 ret->build_plt_entry = sparc32_plt_entry_build;
1109 ret->plt_header_size = PLT32_HEADER_SIZE;
1110 ret->plt_entry_size = PLT32_ENTRY_SIZE;
1113 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
1114 sizeof (struct _bfd_sparc_elf_link_hash_entry),
1121 ret->loc_hash_table = htab_try_create (1024,
1122 elf_sparc_local_htab_hash,
1123 elf_sparc_local_htab_eq,
1125 ret->loc_hash_memory = objalloc_create ();
1126 if (!ret->loc_hash_table || !ret->loc_hash_memory)
1132 return &ret->elf.root;
1135 /* Destroy a SPARC ELF linker hash table. */
1138 _bfd_sparc_elf_link_hash_table_free (struct bfd_link_hash_table *hash)
1140 struct _bfd_sparc_elf_link_hash_table *htab
1141 = (struct _bfd_sparc_elf_link_hash_table *) hash;
1143 if (htab->loc_hash_table)
1144 htab_delete (htab->loc_hash_table);
1145 if (htab->loc_hash_memory)
1146 objalloc_free ((struct objalloc *) htab->loc_hash_memory);
1147 _bfd_generic_link_hash_table_free (hash);
1150 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1151 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1155 _bfd_sparc_elf_create_dynamic_sections (bfd *dynobj,
1156 struct bfd_link_info *info)
1158 struct _bfd_sparc_elf_link_hash_table *htab;
1160 htab = _bfd_sparc_elf_hash_table (info);
1161 BFD_ASSERT (htab != NULL);
1163 if (!_bfd_elf_create_dynamic_sections (dynobj, info))
1166 htab->sdynbss = bfd_get_section_by_name (dynobj, ".dynbss");
1168 htab->srelbss = bfd_get_section_by_name (dynobj, ".rela.bss");
1170 if (htab->is_vxworks)
1172 if (!elf_vxworks_create_dynamic_sections (dynobj, info, &htab->srelplt2))
1176 htab->plt_header_size
1177 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry);
1178 htab->plt_entry_size
1179 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry);
1183 htab->plt_header_size
1184 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry);
1185 htab->plt_entry_size
1186 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry);
1190 if (!htab->elf.splt || !htab->elf.srelplt || !htab->sdynbss
1191 || (!info->shared && !htab->srelbss))
1198 create_ifunc_sections (bfd *abfd, struct bfd_link_info *info)
1200 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1201 struct elf_link_hash_table *htab = elf_hash_table (info);
1202 flagword flags, pltflags;
1205 if (htab->irelifunc != NULL || htab->iplt != NULL)
1208 flags = bed->dynamic_sec_flags;
1209 pltflags = flags | SEC_ALLOC | SEC_CODE | SEC_LOAD;
1211 s = bfd_make_section_with_flags (abfd, ".iplt", pltflags);
1213 || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
1217 s = bfd_make_section_with_flags (abfd, ".rela.iplt",
1218 flags | SEC_READONLY);
1220 || ! bfd_set_section_alignment (abfd, s,
1221 bed->s->log_file_align))
1228 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1231 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info *info,
1232 struct elf_link_hash_entry *dir,
1233 struct elf_link_hash_entry *ind)
1235 struct _bfd_sparc_elf_link_hash_entry *edir, *eind;
1237 edir = (struct _bfd_sparc_elf_link_hash_entry *) dir;
1238 eind = (struct _bfd_sparc_elf_link_hash_entry *) ind;
1240 if (eind->dyn_relocs != NULL)
1242 if (edir->dyn_relocs != NULL)
1244 struct _bfd_sparc_elf_dyn_relocs **pp;
1245 struct _bfd_sparc_elf_dyn_relocs *p;
1247 /* Add reloc counts against the indirect sym to the direct sym
1248 list. Merge any entries against the same section. */
1249 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
1251 struct _bfd_sparc_elf_dyn_relocs *q;
1253 for (q = edir->dyn_relocs; q != NULL; q = q->next)
1254 if (q->sec == p->sec)
1256 q->pc_count += p->pc_count;
1257 q->count += p->count;
1264 *pp = edir->dyn_relocs;
1267 edir->dyn_relocs = eind->dyn_relocs;
1268 eind->dyn_relocs = NULL;
1271 if (ind->root.type == bfd_link_hash_indirect
1272 && dir->got.refcount <= 0)
1274 edir->tls_type = eind->tls_type;
1275 eind->tls_type = GOT_UNKNOWN;
1277 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
1281 sparc_elf_tls_transition (struct bfd_link_info *info, bfd *abfd,
1282 int r_type, int is_local)
1284 if (! ABI_64_P (abfd)
1285 && r_type == R_SPARC_TLS_GD_HI22
1286 && ! _bfd_sparc_elf_tdata (abfd)->has_tlsgd)
1287 r_type = R_SPARC_REV32;
1294 case R_SPARC_TLS_GD_HI22:
1296 return R_SPARC_TLS_LE_HIX22;
1297 return R_SPARC_TLS_IE_HI22;
1298 case R_SPARC_TLS_GD_LO10:
1300 return R_SPARC_TLS_LE_LOX10;
1301 return R_SPARC_TLS_IE_LO10;
1302 case R_SPARC_TLS_IE_HI22:
1304 return R_SPARC_TLS_LE_HIX22;
1306 case R_SPARC_TLS_IE_LO10:
1308 return R_SPARC_TLS_LE_LOX10;
1310 case R_SPARC_TLS_LDM_HI22:
1311 return R_SPARC_TLS_LE_HIX22;
1312 case R_SPARC_TLS_LDM_LO10:
1313 return R_SPARC_TLS_LE_LOX10;
1319 /* Look through the relocs for a section during the first phase, and
1320 allocate space in the global offset table or procedure linkage
1324 _bfd_sparc_elf_check_relocs (bfd *abfd, struct bfd_link_info *info,
1325 asection *sec, const Elf_Internal_Rela *relocs)
1327 struct _bfd_sparc_elf_link_hash_table *htab;
1328 Elf_Internal_Shdr *symtab_hdr;
1329 struct elf_link_hash_entry **sym_hashes;
1330 const Elf_Internal_Rela *rel;
1331 const Elf_Internal_Rela *rel_end;
1334 bfd_boolean checked_tlsgd = FALSE;
1336 if (info->relocatable)
1339 htab = _bfd_sparc_elf_hash_table (info);
1340 BFD_ASSERT (htab != NULL);
1341 symtab_hdr = &elf_symtab_hdr (abfd);
1342 sym_hashes = elf_sym_hashes (abfd);
1346 if (ABI_64_P (abfd))
1347 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec));
1349 num_relocs = sec->reloc_count;
1351 BFD_ASSERT (is_sparc_elf (abfd) || num_relocs == 0);
1353 if (htab->elf.dynobj == NULL)
1354 htab->elf.dynobj = abfd;
1355 if (!create_ifunc_sections (htab->elf.dynobj, info))
1358 rel_end = relocs + num_relocs;
1359 for (rel = relocs; rel < rel_end; rel++)
1361 unsigned int r_type;
1362 unsigned long r_symndx;
1363 struct elf_link_hash_entry *h;
1364 Elf_Internal_Sym *isym;
1366 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1367 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1369 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
1371 (*_bfd_error_handler) (_("%B: bad symbol index: %d"),
1377 if (r_symndx < symtab_hdr->sh_info)
1379 /* A local symbol. */
1380 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1385 /* Check relocation against local STT_GNU_IFUNC symbol. */
1386 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
1388 h = elf_sparc_get_local_sym_hash (htab, abfd, rel,
1393 /* Fake a STT_GNU_IFUNC symbol. */
1394 h->type = STT_GNU_IFUNC;
1397 h->forced_local = 1;
1398 h->root.type = bfd_link_hash_defined;
1405 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1406 while (h->root.type == bfd_link_hash_indirect
1407 || h->root.type == bfd_link_hash_warning)
1408 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1411 if (h && h->type == STT_GNU_IFUNC)
1416 h->plt.refcount += 1;
1420 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1421 with R_SPARC_TLS_GD_HI22. */
1422 if (! ABI_64_P (abfd) && ! checked_tlsgd)
1425 case R_SPARC_TLS_GD_HI22:
1427 const Elf_Internal_Rela *relt;
1429 for (relt = rel + 1; relt < rel_end; relt++)
1430 if (ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_LO10
1431 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_ADD
1432 || ELF32_R_TYPE (relt->r_info) == R_SPARC_TLS_GD_CALL)
1434 checked_tlsgd = TRUE;
1435 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = relt < rel_end;
1438 case R_SPARC_TLS_GD_LO10:
1439 case R_SPARC_TLS_GD_ADD:
1440 case R_SPARC_TLS_GD_CALL:
1441 checked_tlsgd = TRUE;
1442 _bfd_sparc_elf_tdata (abfd)->has_tlsgd = TRUE;
1446 r_type = sparc_elf_tls_transition (info, abfd, r_type, h == NULL);
1449 case R_SPARC_TLS_LDM_HI22:
1450 case R_SPARC_TLS_LDM_LO10:
1451 htab->tls_ldm_got.refcount += 1;
1454 case R_SPARC_TLS_LE_HIX22:
1455 case R_SPARC_TLS_LE_LOX10:
1460 case R_SPARC_TLS_IE_HI22:
1461 case R_SPARC_TLS_IE_LO10:
1463 info->flags |= DF_STATIC_TLS;
1469 case R_SPARC_GOTDATA_HIX22:
1470 case R_SPARC_GOTDATA_LOX10:
1471 case R_SPARC_GOTDATA_OP_HIX22:
1472 case R_SPARC_GOTDATA_OP_LOX10:
1473 case R_SPARC_TLS_GD_HI22:
1474 case R_SPARC_TLS_GD_LO10:
1475 /* This symbol requires a global offset table entry. */
1477 int tls_type, old_tls_type;
1485 case R_SPARC_GOTDATA_OP_HIX22:
1486 case R_SPARC_GOTDATA_OP_LOX10:
1487 tls_type = GOT_NORMAL;
1489 case R_SPARC_TLS_GD_HI22:
1490 case R_SPARC_TLS_GD_LO10:
1491 tls_type = GOT_TLS_GD;
1493 case R_SPARC_TLS_IE_HI22:
1494 case R_SPARC_TLS_IE_LO10:
1495 tls_type = GOT_TLS_IE;
1501 h->got.refcount += 1;
1502 old_tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
1506 bfd_signed_vma *local_got_refcounts;
1508 /* This is a global offset table entry for a local symbol. */
1509 local_got_refcounts = elf_local_got_refcounts (abfd);
1510 if (local_got_refcounts == NULL)
1514 size = symtab_hdr->sh_info;
1515 size *= (sizeof (bfd_signed_vma) + sizeof(char));
1516 local_got_refcounts = ((bfd_signed_vma *)
1517 bfd_zalloc (abfd, size));
1518 if (local_got_refcounts == NULL)
1520 elf_local_got_refcounts (abfd) = local_got_refcounts;
1521 _bfd_sparc_elf_local_got_tls_type (abfd)
1522 = (char *) (local_got_refcounts + symtab_hdr->sh_info);
1526 case R_SPARC_GOTDATA_OP_HIX22:
1527 case R_SPARC_GOTDATA_OP_LOX10:
1531 local_got_refcounts[r_symndx] += 1;
1534 old_tls_type = _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx];
1537 /* If a TLS symbol is accessed using IE at least once,
1538 there is no point to use dynamic model for it. */
1539 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN
1540 && (old_tls_type != GOT_TLS_GD
1541 || tls_type != GOT_TLS_IE))
1543 if (old_tls_type == GOT_TLS_IE && tls_type == GOT_TLS_GD)
1544 tls_type = old_tls_type;
1547 (*_bfd_error_handler)
1548 (_("%B: `%s' accessed both as normal and thread local symbol"),
1549 abfd, h ? h->root.root.string : "<local>");
1554 if (old_tls_type != tls_type)
1557 _bfd_sparc_elf_hash_entry (h)->tls_type = tls_type;
1559 _bfd_sparc_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
1563 if (htab->elf.sgot == NULL)
1565 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
1570 case R_SPARC_TLS_GD_CALL:
1571 case R_SPARC_TLS_LDM_CALL:
1574 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1576 struct bfd_link_hash_entry *bh = NULL;
1577 if (! _bfd_generic_link_add_one_symbol (info, abfd,
1578 "__tls_get_addr", 0,
1579 bfd_und_section_ptr, 0,
1583 h = (struct elf_link_hash_entry *) bh;
1590 case R_SPARC_WPLT30:
1591 case R_SPARC_HIPLT22:
1592 case R_SPARC_LOPLT10:
1593 case R_SPARC_PCPLT32:
1594 case R_SPARC_PCPLT22:
1595 case R_SPARC_PCPLT10:
1597 /* This symbol requires a procedure linkage table entry. We
1598 actually build the entry in adjust_dynamic_symbol,
1599 because this might be a case of linking PIC code without
1600 linking in any dynamic objects, in which case we don't
1601 need to generate a procedure linkage table after all. */
1605 if (! ABI_64_P (abfd))
1607 /* The Solaris native assembler will generate a WPLT30
1608 reloc for a local symbol if you assemble a call from
1609 one section to another when using -K pic. We treat
1611 if (ELF32_R_TYPE (rel->r_info) == R_SPARC_PLT32)
1615 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1616 else if (r_type == R_SPARC_WPLT30)
1619 /* It does not make sense to have a procedure linkage
1620 table entry for a local symbol. */
1621 bfd_set_error (bfd_error_bad_value);
1630 this_r_type = SPARC_ELF_R_TYPE (rel->r_info);
1631 if (this_r_type == R_SPARC_PLT32
1632 || this_r_type == R_SPARC_PLT64)
1635 h->plt.refcount += 1;
1640 case R_SPARC_PC_HH22:
1641 case R_SPARC_PC_HM10:
1642 case R_SPARC_PC_LM22:
1647 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1652 case R_SPARC_DISP16:
1653 case R_SPARC_DISP32:
1654 case R_SPARC_DISP64:
1655 case R_SPARC_WDISP30:
1656 case R_SPARC_WDISP22:
1657 case R_SPARC_WDISP19:
1658 case R_SPARC_WDISP16:
1688 if (h != NULL && !info->shared)
1690 /* We may need a .plt entry if the function this reloc
1691 refers to is in a shared lib. */
1692 h->plt.refcount += 1;
1695 /* If we are creating a shared library, and this is a reloc
1696 against a global symbol, or a non PC relative reloc
1697 against a local symbol, then we need to copy the reloc
1698 into the shared library. However, if we are linking with
1699 -Bsymbolic, we do not need to copy a reloc against a
1700 global symbol which is defined in an object we are
1701 including in the link (i.e., DEF_REGULAR is set). At
1702 this point we have not seen all the input files, so it is
1703 possible that DEF_REGULAR is not set now but will be set
1704 later (it is never cleared). In case of a weak definition,
1705 DEF_REGULAR may be cleared later by a strong definition in
1706 a shared library. We account for that possibility below by
1707 storing information in the relocs_copied field of the hash
1708 table entry. A similar situation occurs when creating
1709 shared libraries and symbol visibility changes render the
1712 If on the other hand, we are creating an executable, we
1713 may need to keep relocations for symbols satisfied by a
1714 dynamic library if we manage to avoid copy relocs for the
1717 && (sec->flags & SEC_ALLOC) != 0
1718 && (! _bfd_sparc_elf_howto_table[r_type].pc_relative
1720 && (! SYMBOLIC_BIND (info, h)
1721 || h->root.type == bfd_link_hash_defweak
1722 || !h->def_regular))))
1724 && (sec->flags & SEC_ALLOC) != 0
1726 && (h->root.type == bfd_link_hash_defweak
1727 || !h->def_regular))
1730 && h->type == STT_GNU_IFUNC))
1732 struct _bfd_sparc_elf_dyn_relocs *p;
1733 struct _bfd_sparc_elf_dyn_relocs **head;
1735 /* When creating a shared object, we must copy these
1736 relocs into the output file. We create a reloc
1737 section in dynobj and make room for the reloc. */
1740 sreloc = _bfd_elf_make_dynamic_reloc_section
1741 (sec, htab->elf.dynobj, htab->word_align_power,
1742 abfd, /*rela?*/ TRUE);
1748 /* If this is a global symbol, we count the number of
1749 relocations we need for this symbol. */
1751 head = &((struct _bfd_sparc_elf_link_hash_entry *) h)->dyn_relocs;
1754 /* Track dynamic relocs needed for local syms too.
1755 We really need local syms available to do this
1760 BFD_ASSERT (isym != NULL);
1761 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1765 vpp = &elf_section_data (s)->local_dynrel;
1766 head = (struct _bfd_sparc_elf_dyn_relocs **) vpp;
1770 if (p == NULL || p->sec != sec)
1772 bfd_size_type amt = sizeof *p;
1773 p = ((struct _bfd_sparc_elf_dyn_relocs *)
1774 bfd_alloc (htab->elf.dynobj, amt));
1785 if (_bfd_sparc_elf_howto_table[r_type].pc_relative)
1791 case R_SPARC_GNU_VTINHERIT:
1792 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
1796 case R_SPARC_GNU_VTENTRY:
1797 BFD_ASSERT (h != NULL);
1799 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
1803 case R_SPARC_REGISTER:
1804 /* Nothing to do. */
1816 _bfd_sparc_elf_gc_mark_hook (asection *sec,
1817 struct bfd_link_info *info,
1818 Elf_Internal_Rela *rel,
1819 struct elf_link_hash_entry *h,
1820 Elf_Internal_Sym *sym)
1823 switch (SPARC_ELF_R_TYPE (rel->r_info))
1825 case R_SPARC_GNU_VTINHERIT:
1826 case R_SPARC_GNU_VTENTRY:
1830 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
1833 /* Update the got entry reference counts for the section being removed. */
1835 _bfd_sparc_elf_gc_sweep_hook (bfd *abfd, struct bfd_link_info *info,
1836 asection *sec, const Elf_Internal_Rela *relocs)
1838 struct _bfd_sparc_elf_link_hash_table *htab;
1839 Elf_Internal_Shdr *symtab_hdr;
1840 struct elf_link_hash_entry **sym_hashes;
1841 bfd_signed_vma *local_got_refcounts;
1842 const Elf_Internal_Rela *rel, *relend;
1844 if (info->relocatable)
1847 BFD_ASSERT (is_sparc_elf (abfd) || sec->reloc_count == 0);
1849 elf_section_data (sec)->local_dynrel = NULL;
1851 htab = _bfd_sparc_elf_hash_table (info);
1852 BFD_ASSERT (htab != NULL);
1853 symtab_hdr = &elf_symtab_hdr (abfd);
1854 sym_hashes = elf_sym_hashes (abfd);
1855 local_got_refcounts = elf_local_got_refcounts (abfd);
1857 relend = relocs + sec->reloc_count;
1858 for (rel = relocs; rel < relend; rel++)
1860 unsigned long r_symndx;
1861 unsigned int r_type;
1862 struct elf_link_hash_entry *h = NULL;
1864 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
1865 if (r_symndx >= symtab_hdr->sh_info)
1867 struct _bfd_sparc_elf_link_hash_entry *eh;
1868 struct _bfd_sparc_elf_dyn_relocs **pp;
1869 struct _bfd_sparc_elf_dyn_relocs *p;
1871 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
1872 while (h->root.type == bfd_link_hash_indirect
1873 || h->root.type == bfd_link_hash_warning)
1874 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1875 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
1876 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; pp = &p->next)
1879 /* Everything must go for SEC. */
1885 r_type = SPARC_ELF_R_TYPE (rel->r_info);
1886 r_type = sparc_elf_tls_transition (info, abfd, r_type, h != NULL);
1889 case R_SPARC_TLS_LDM_HI22:
1890 case R_SPARC_TLS_LDM_LO10:
1891 if (_bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount > 0)
1892 _bfd_sparc_elf_hash_table (info)->tls_ldm_got.refcount -= 1;
1895 case R_SPARC_TLS_GD_HI22:
1896 case R_SPARC_TLS_GD_LO10:
1897 case R_SPARC_TLS_IE_HI22:
1898 case R_SPARC_TLS_IE_LO10:
1902 case R_SPARC_GOTDATA_HIX22:
1903 case R_SPARC_GOTDATA_LOX10:
1904 case R_SPARC_GOTDATA_OP_HIX22:
1905 case R_SPARC_GOTDATA_OP_LOX10:
1908 if (h->got.refcount > 0)
1915 case R_SPARC_GOTDATA_OP_HIX22:
1916 case R_SPARC_GOTDATA_OP_LOX10:
1920 if (local_got_refcounts[r_symndx] > 0)
1921 local_got_refcounts[r_symndx]--;
1929 case R_SPARC_PC_HH22:
1930 case R_SPARC_PC_HM10:
1931 case R_SPARC_PC_LM22:
1933 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
1938 case R_SPARC_DISP16:
1939 case R_SPARC_DISP32:
1940 case R_SPARC_DISP64:
1941 case R_SPARC_WDISP30:
1942 case R_SPARC_WDISP22:
1943 case R_SPARC_WDISP19:
1944 case R_SPARC_WDISP16:
1975 case R_SPARC_WPLT30:
1978 if (h->plt.refcount > 0)
1991 /* Adjust a symbol defined by a dynamic object and referenced by a
1992 regular object. The current definition is in some section of the
1993 dynamic object, but we're not including those sections. We have to
1994 change the definition to something the rest of the link can
1998 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
1999 struct elf_link_hash_entry *h)
2001 struct _bfd_sparc_elf_link_hash_table *htab;
2002 struct _bfd_sparc_elf_link_hash_entry * eh;
2003 struct _bfd_sparc_elf_dyn_relocs *p;
2006 htab = _bfd_sparc_elf_hash_table (info);
2007 BFD_ASSERT (htab != NULL);
2009 /* Make sure we know what is going on here. */
2010 BFD_ASSERT (htab->elf.dynobj != NULL
2012 || h->type == STT_GNU_IFUNC
2013 || h->u.weakdef != NULL
2016 && !h->def_regular)));
2018 /* If this is a function, put it in the procedure linkage table. We
2019 will fill in the contents of the procedure linkage table later
2020 (although we could actually do it here). The STT_NOTYPE
2021 condition is a hack specifically for the Oracle libraries
2022 delivered for Solaris; for some inexplicable reason, they define
2023 some of their functions as STT_NOTYPE when they really should be
2025 if (h->type == STT_FUNC
2026 || h->type == STT_GNU_IFUNC
2028 || (h->type == STT_NOTYPE
2029 && (h->root.type == bfd_link_hash_defined
2030 || h->root.type == bfd_link_hash_defweak)
2031 && (h->root.u.def.section->flags & SEC_CODE) != 0))
2033 if (h->plt.refcount <= 0
2034 || (h->type != STT_GNU_IFUNC
2035 && (SYMBOL_CALLS_LOCAL (info, h)
2036 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
2037 && h->root.type == bfd_link_hash_undefweak))))
2039 /* This case can occur if we saw a WPLT30 reloc in an input
2040 file, but the symbol was never referred to by a dynamic
2041 object, or if all references were garbage collected. In
2042 such a case, we don't actually need to build a procedure
2043 linkage table, and we can just do a WDISP30 reloc instead. */
2044 h->plt.offset = (bfd_vma) -1;
2051 h->plt.offset = (bfd_vma) -1;
2053 /* If this is a weak symbol, and there is a real definition, the
2054 processor independent code will have arranged for us to see the
2055 real definition first, and we can just use the same value. */
2056 if (h->u.weakdef != NULL)
2058 BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
2059 || h->u.weakdef->root.type == bfd_link_hash_defweak);
2060 h->root.u.def.section = h->u.weakdef->root.u.def.section;
2061 h->root.u.def.value = h->u.weakdef->root.u.def.value;
2065 /* This is a reference to a symbol defined by a dynamic object which
2066 is not a function. */
2068 /* If we are creating a shared library, we must presume that the
2069 only references to the symbol are via the global offset table.
2070 For such cases we need not do anything here; the relocations will
2071 be handled correctly by relocate_section. */
2075 /* If there are no references to this symbol that do not use the
2076 GOT, we don't need to generate a copy reloc. */
2077 if (!h->non_got_ref)
2080 /* If -z nocopyreloc was given, we won't generate them either. */
2081 if (info->nocopyreloc)
2087 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2088 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2090 s = p->sec->output_section;
2091 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2095 /* If we didn't find any dynamic relocs in read-only sections, then
2096 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2105 (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
2106 h->root.root.string);
2110 /* We must allocate the symbol in our .dynbss section, which will
2111 become part of the .bss section of the executable. There will be
2112 an entry for this symbol in the .dynsym section. The dynamic
2113 object will contain position independent code, so all references
2114 from the dynamic object to this symbol will go through the global
2115 offset table. The dynamic linker will use the .dynsym entry to
2116 determine the address it must put in the global offset table, so
2117 both the dynamic object and the regular object will refer to the
2118 same memory location for the variable. */
2120 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2121 to copy the initial value out of the dynamic object and into the
2122 runtime process image. We need to remember the offset into the
2123 .rel.bss section we are going to use. */
2124 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
2126 htab->srelbss->size += SPARC_ELF_RELA_BYTES (htab);
2132 return _bfd_elf_adjust_dynamic_copy (h, s);
2135 /* Allocate space in .plt, .got and associated reloc sections for
2139 allocate_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
2141 struct bfd_link_info *info;
2142 struct _bfd_sparc_elf_link_hash_table *htab;
2143 struct _bfd_sparc_elf_link_hash_entry *eh;
2144 struct _bfd_sparc_elf_dyn_relocs *p;
2146 if (h->root.type == bfd_link_hash_indirect)
2149 info = (struct bfd_link_info *) inf;
2150 htab = _bfd_sparc_elf_hash_table (info);
2151 BFD_ASSERT (htab != NULL);
2153 if ((htab->elf.dynamic_sections_created
2154 && h->plt.refcount > 0)
2155 || (h->type == STT_GNU_IFUNC
2159 /* Make sure this symbol is output as a dynamic symbol.
2160 Undefined weak syms won't yet be marked as dynamic. */
2161 if (h->dynindx == -1
2162 && !h->forced_local)
2164 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2168 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h)
2169 || (h->type == STT_GNU_IFUNC
2172 asection *s = htab->elf.splt;
2177 /* Allocate room for the header. */
2180 s->size = htab->plt_header_size;
2182 /* Allocate space for the .rela.plt.unloaded relocations. */
2183 if (htab->is_vxworks && !info->shared)
2184 htab->srelplt2->size = sizeof (Elf32_External_Rela) * 2;
2187 /* The procedure linkage table size is bounded by the magnitude
2188 of the offset we can describe in the entry. */
2189 if (s->size >= (SPARC_ELF_WORD_BYTES(htab) == 8 ?
2190 (((bfd_vma)1 << 31) << 1) : 0x400000))
2192 bfd_set_error (bfd_error_bad_value);
2196 if (SPARC_ELF_WORD_BYTES(htab) == 8
2197 && s->size >= PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE)
2199 bfd_vma off = s->size - PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE;
2202 off = (off % (160 * PLT64_ENTRY_SIZE)) / PLT64_ENTRY_SIZE;
2204 h->plt.offset = (s->size - (off * 8));
2207 h->plt.offset = s->size;
2209 /* If this symbol is not defined in a regular file, and we are
2210 not generating a shared library, then set the symbol to this
2211 location in the .plt. This is required to make function
2212 pointers compare as equal between the normal executable and
2213 the shared library. */
2217 h->root.u.def.section = s;
2218 h->root.u.def.value = h->plt.offset;
2221 /* Make room for this entry. */
2222 s->size += htab->plt_entry_size;
2224 /* We also need to make an entry in the .rela.plt section. */
2225 if (s == htab->elf.splt)
2226 htab->elf.srelplt->size += SPARC_ELF_RELA_BYTES (htab);
2228 htab->elf.irelplt->size += SPARC_ELF_RELA_BYTES (htab);
2230 if (htab->is_vxworks)
2232 /* Allocate space for the .got.plt entry. */
2233 htab->elf.sgotplt->size += 4;
2235 /* ...and for the .rela.plt.unloaded relocations. */
2237 htab->srelplt2->size += sizeof (Elf32_External_Rela) * 3;
2242 h->plt.offset = (bfd_vma) -1;
2248 h->plt.offset = (bfd_vma) -1;
2252 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2253 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2254 if (h->got.refcount > 0
2257 && _bfd_sparc_elf_hash_entry(h)->tls_type == GOT_TLS_IE)
2258 h->got.offset = (bfd_vma) -1;
2259 else if (h->got.refcount > 0)
2263 int tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
2265 /* Make sure this symbol is output as a dynamic symbol.
2266 Undefined weak syms won't yet be marked as dynamic. */
2267 if (h->dynindx == -1
2268 && !h->forced_local)
2270 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2275 h->got.offset = s->size;
2276 s->size += SPARC_ELF_WORD_BYTES (htab);
2277 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2278 if (tls_type == GOT_TLS_GD)
2279 s->size += SPARC_ELF_WORD_BYTES (htab);
2280 dyn = htab->elf.dynamic_sections_created;
2281 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2282 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2284 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
2285 || tls_type == GOT_TLS_IE
2286 || h->type == STT_GNU_IFUNC)
2287 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2288 else if (tls_type == GOT_TLS_GD)
2289 htab->elf.srelgot->size += 2 * SPARC_ELF_RELA_BYTES (htab);
2290 else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
2291 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2294 h->got.offset = (bfd_vma) -1;
2296 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2297 if (eh->dyn_relocs == NULL)
2300 /* In the shared -Bsymbolic case, discard space allocated for
2301 dynamic pc-relative relocs against symbols which turn out to be
2302 defined in regular objects. For the normal shared case, discard
2303 space for pc-relative relocs that have become local due to symbol
2304 visibility changes. */
2308 if (SYMBOL_CALLS_LOCAL (info, h))
2310 struct _bfd_sparc_elf_dyn_relocs **pp;
2312 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2314 p->count -= p->pc_count;
2323 if (htab->is_vxworks)
2325 struct _bfd_sparc_elf_dyn_relocs **pp;
2327 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
2329 if (strcmp (p->sec->output_section->name, ".tls_vars") == 0)
2336 /* Also discard relocs on undefined weak syms with non-default
2338 if (eh->dyn_relocs != NULL
2339 && h->root.type == bfd_link_hash_undefweak)
2341 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
2342 eh->dyn_relocs = NULL;
2344 /* Make sure undefined weak symbols are output as a dynamic
2346 else if (h->dynindx == -1
2347 && !h->forced_local)
2349 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2356 /* For the non-shared case, discard space for relocs against
2357 symbols which turn out to need copy relocs or are not
2363 || (htab->elf.dynamic_sections_created
2364 && (h->root.type == bfd_link_hash_undefweak
2365 || h->root.type == bfd_link_hash_undefined))))
2367 /* Make sure this symbol is output as a dynamic symbol.
2368 Undefined weak syms won't yet be marked as dynamic. */
2369 if (h->dynindx == -1
2370 && !h->forced_local)
2372 if (! bfd_elf_link_record_dynamic_symbol (info, h))
2376 /* If that succeeded, we know we'll be keeping all the
2378 if (h->dynindx != -1)
2382 eh->dyn_relocs = NULL;
2387 /* Finally, allocate space. */
2388 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2390 asection *sreloc = elf_section_data (p->sec)->sreloc;
2391 sreloc->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2397 /* Allocate space in .plt, .got and associated reloc sections for
2398 local dynamic relocs. */
2401 allocate_local_dynrelocs (void **slot, void *inf)
2403 struct elf_link_hash_entry *h
2404 = (struct elf_link_hash_entry *) *slot;
2406 if (h->type != STT_GNU_IFUNC
2410 || h->root.type != bfd_link_hash_defined)
2413 return allocate_dynrelocs (h, inf);
2416 /* Find any dynamic relocs that apply to read-only sections. */
2419 readonly_dynrelocs (struct elf_link_hash_entry *h, PTR inf)
2421 struct _bfd_sparc_elf_link_hash_entry *eh;
2422 struct _bfd_sparc_elf_dyn_relocs *p;
2424 eh = (struct _bfd_sparc_elf_link_hash_entry *) h;
2425 for (p = eh->dyn_relocs; p != NULL; p = p->next)
2427 asection *s = p->sec->output_section;
2429 if (s != NULL && (s->flags & SEC_READONLY) != 0)
2431 struct bfd_link_info *info = (struct bfd_link_info *) inf;
2433 info->flags |= DF_TEXTREL;
2435 /* Not an error, just cut short the traversal. */
2442 /* Return true if the dynamic symbol for a given section should be
2443 omitted when creating a shared library. */
2446 _bfd_sparc_elf_omit_section_dynsym (bfd *output_bfd,
2447 struct bfd_link_info *info,
2450 /* We keep the .got section symbol so that explicit relocations
2451 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2452 can be turned into relocations against the .got symbol. */
2453 if (strcmp (p->name, ".got") == 0)
2456 return _bfd_elf_link_omit_section_dynsym (output_bfd, info, p);
2459 /* Set the sizes of the dynamic sections. */
2462 _bfd_sparc_elf_size_dynamic_sections (bfd *output_bfd,
2463 struct bfd_link_info *info)
2465 struct _bfd_sparc_elf_link_hash_table *htab;
2470 htab = _bfd_sparc_elf_hash_table (info);
2471 BFD_ASSERT (htab != NULL);
2472 dynobj = htab->elf.dynobj;
2473 BFD_ASSERT (dynobj != NULL);
2475 if (elf_hash_table (info)->dynamic_sections_created)
2477 /* Set the contents of the .interp section to the interpreter. */
2478 if (info->executable)
2480 s = bfd_get_section_by_name (dynobj, ".interp");
2481 BFD_ASSERT (s != NULL);
2482 s->size = htab->dynamic_interpreter_size;
2483 s->contents = (unsigned char *) htab->dynamic_interpreter;
2487 /* Set up .got offsets for local syms, and space for local dynamic
2489 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
2491 bfd_signed_vma *local_got;
2492 bfd_signed_vma *end_local_got;
2493 char *local_tls_type;
2494 bfd_size_type locsymcount;
2495 Elf_Internal_Shdr *symtab_hdr;
2498 if (! is_sparc_elf (ibfd))
2501 for (s = ibfd->sections; s != NULL; s = s->next)
2503 struct _bfd_sparc_elf_dyn_relocs *p;
2505 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
2507 if (!bfd_is_abs_section (p->sec)
2508 && bfd_is_abs_section (p->sec->output_section))
2510 /* Input section has been discarded, either because
2511 it is a copy of a linkonce section or due to
2512 linker script /DISCARD/, so we'll be discarding
2515 else if (htab->is_vxworks
2516 && strcmp (p->sec->output_section->name,
2519 /* Relocations in vxworks .tls_vars sections are
2520 handled specially by the loader. */
2522 else if (p->count != 0)
2524 srel = elf_section_data (p->sec)->sreloc;
2525 if (!htab->elf.dynamic_sections_created)
2526 srel = htab->elf.irelplt;
2527 srel->size += p->count * SPARC_ELF_RELA_BYTES (htab);
2528 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
2529 info->flags |= DF_TEXTREL;
2534 local_got = elf_local_got_refcounts (ibfd);
2538 symtab_hdr = &elf_symtab_hdr (ibfd);
2539 locsymcount = symtab_hdr->sh_info;
2540 end_local_got = local_got + locsymcount;
2541 local_tls_type = _bfd_sparc_elf_local_got_tls_type (ibfd);
2543 srel = htab->elf.srelgot;
2544 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
2548 *local_got = s->size;
2549 s->size += SPARC_ELF_WORD_BYTES (htab);
2550 if (*local_tls_type == GOT_TLS_GD)
2551 s->size += SPARC_ELF_WORD_BYTES (htab);
2553 || *local_tls_type == GOT_TLS_GD
2554 || *local_tls_type == GOT_TLS_IE)
2555 srel->size += SPARC_ELF_RELA_BYTES (htab);
2558 *local_got = (bfd_vma) -1;
2562 if (htab->tls_ldm_got.refcount > 0)
2564 /* Allocate 2 got entries and 1 dynamic reloc for
2565 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2566 htab->tls_ldm_got.offset = htab->elf.sgot->size;
2567 htab->elf.sgot->size += (2 * SPARC_ELF_WORD_BYTES (htab));
2568 htab->elf.srelgot->size += SPARC_ELF_RELA_BYTES (htab);
2571 htab->tls_ldm_got.offset = -1;
2573 /* Allocate global sym .plt and .got entries, and space for global
2574 sym dynamic relocs. */
2575 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, (PTR) info);
2577 /* Allocate .plt and .got entries, and space for local symbols. */
2578 htab_traverse (htab->loc_hash_table, allocate_local_dynrelocs, info);
2580 if (! ABI_64_P (output_bfd)
2581 && !htab->is_vxworks
2582 && elf_hash_table (info)->dynamic_sections_created)
2584 /* Make space for the trailing nop in .plt. */
2585 if (htab->elf.splt->size > 0)
2586 htab->elf.splt->size += 1 * SPARC_INSN_BYTES;
2588 /* If the .got section is more than 0x1000 bytes, we add
2589 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2590 bit relocations have a greater chance of working.
2592 FIXME: Make this optimization work for 64-bit too. */
2593 if (htab->elf.sgot->size >= 0x1000
2594 && elf_hash_table (info)->hgot->root.u.def.value == 0)
2595 elf_hash_table (info)->hgot->root.u.def.value = 0x1000;
2598 /* The check_relocs and adjust_dynamic_symbol entry points have
2599 determined the sizes of the various dynamic sections. Allocate
2601 for (s = dynobj->sections; s != NULL; s = s->next)
2603 if ((s->flags & SEC_LINKER_CREATED) == 0)
2606 if (s == htab->elf.splt
2607 || s == htab->elf.sgot
2608 || s == htab->sdynbss
2609 || s == htab->elf.iplt
2610 || s == htab->elf.sgotplt)
2612 /* Strip this section if we don't need it; see the
2615 else if (CONST_STRNEQ (s->name, ".rela"))
2619 /* We use the reloc_count field as a counter if we need
2620 to copy relocs into the output file. */
2626 /* It's not one of our sections. */
2632 /* If we don't need this section, strip it from the
2633 output file. This is mostly to handle .rela.bss and
2634 .rela.plt. We must create both sections in
2635 create_dynamic_sections, because they must be created
2636 before the linker maps input sections to output
2637 sections. The linker does that before
2638 adjust_dynamic_symbol is called, and it is that
2639 function which decides whether anything needs to go
2640 into these sections. */
2641 s->flags |= SEC_EXCLUDE;
2645 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2648 /* Allocate memory for the section contents. Zero the memory
2649 for the benefit of .rela.plt, which has 4 unused entries
2650 at the beginning, and we don't want garbage. */
2651 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
2652 if (s->contents == NULL)
2656 if (elf_hash_table (info)->dynamic_sections_created)
2658 /* Add some entries to the .dynamic section. We fill in the
2659 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2660 must add the entries now so that we get the correct size for
2661 the .dynamic section. The DT_DEBUG entry is filled in by the
2662 dynamic linker and used by the debugger. */
2663 #define add_dynamic_entry(TAG, VAL) \
2664 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2666 if (info->executable)
2668 if (!add_dynamic_entry (DT_DEBUG, 0))
2672 if (htab->elf.srelplt->size != 0)
2674 if (!add_dynamic_entry (DT_PLTGOT, 0)
2675 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2676 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2677 || !add_dynamic_entry (DT_JMPREL, 0))
2681 if (!add_dynamic_entry (DT_RELA, 0)
2682 || !add_dynamic_entry (DT_RELASZ, 0)
2683 || !add_dynamic_entry (DT_RELAENT,
2684 SPARC_ELF_RELA_BYTES (htab)))
2687 /* If any dynamic relocs apply to a read-only section,
2688 then we need a DT_TEXTREL entry. */
2689 if ((info->flags & DF_TEXTREL) == 0)
2690 elf_link_hash_traverse (&htab->elf, readonly_dynrelocs,
2693 if (info->flags & DF_TEXTREL)
2695 if (!add_dynamic_entry (DT_TEXTREL, 0))
2699 if (ABI_64_P (output_bfd))
2702 struct _bfd_sparc_elf_app_reg * app_regs;
2703 struct elf_strtab_hash *dynstr;
2704 struct elf_link_hash_table *eht = elf_hash_table (info);
2706 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2707 entries if needed. */
2708 app_regs = _bfd_sparc_elf_hash_table (info)->app_regs;
2709 dynstr = eht->dynstr;
2711 for (reg = 0; reg < 4; reg++)
2712 if (app_regs [reg].name != NULL)
2714 struct elf_link_local_dynamic_entry *entry, *e;
2716 if (!add_dynamic_entry (DT_SPARC_REGISTER, 0))
2719 entry = (struct elf_link_local_dynamic_entry *)
2720 bfd_hash_allocate (&info->hash->table, sizeof (*entry));
2724 /* We cheat here a little bit: the symbol will not be local, so we
2725 put it at the end of the dynlocal linked list. We will fix it
2726 later on, as we have to fix other fields anyway. */
2727 entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
2728 entry->isym.st_size = 0;
2729 if (*app_regs [reg].name != '\0')
2731 = _bfd_elf_strtab_add (dynstr, app_regs[reg].name, FALSE);
2733 entry->isym.st_name = 0;
2734 entry->isym.st_other = 0;
2735 entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
2737 entry->isym.st_shndx = app_regs [reg].shndx;
2738 entry->isym.st_target_internal = 0;
2740 entry->input_bfd = output_bfd;
2741 entry->input_indx = -1;
2743 if (eht->dynlocal == NULL)
2744 eht->dynlocal = entry;
2747 for (e = eht->dynlocal; e->next; e = e->next)
2754 if (htab->is_vxworks
2755 && !elf_vxworks_add_dynamic_entries (output_bfd, info))
2758 #undef add_dynamic_entry
2764 _bfd_sparc_elf_new_section_hook (bfd *abfd, asection *sec)
2766 if (!sec->used_by_bfd)
2768 struct _bfd_sparc_elf_section_data *sdata;
2769 bfd_size_type amt = sizeof (*sdata);
2771 sdata = bfd_zalloc (abfd, amt);
2774 sec->used_by_bfd = sdata;
2777 return _bfd_elf_new_section_hook (abfd, sec);
2781 _bfd_sparc_elf_relax_section (bfd *abfd ATTRIBUTE_UNUSED,
2782 struct bfd_section *section,
2783 struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
2786 if (link_info->relocatable)
2787 (*link_info->callbacks->einfo)
2788 (_("%P%F: --relax and -r may not be used together\n"));
2791 sec_do_relax (section) = 1;
2795 /* Return the base VMA address which should be subtracted from real addresses
2796 when resolving @dtpoff relocation.
2797 This is PT_TLS segment p_vaddr. */
2800 dtpoff_base (struct bfd_link_info *info)
2802 /* If tls_sec is NULL, we should have signalled an error already. */
2803 if (elf_hash_table (info)->tls_sec == NULL)
2805 return elf_hash_table (info)->tls_sec->vma;
2808 /* Return the relocation value for @tpoff relocation
2809 if STT_TLS virtual address is ADDRESS. */
2812 tpoff (struct bfd_link_info *info, bfd_vma address)
2814 struct elf_link_hash_table *htab = elf_hash_table (info);
2815 const struct elf_backend_data *bed = get_elf_backend_data (info->output_bfd);
2816 bfd_vma static_tls_size;
2818 /* If tls_sec is NULL, we should have signalled an error already. */
2819 if (htab->tls_sec == NULL)
2822 /* Consider special static TLS alignment requirements. */
2823 static_tls_size = BFD_ALIGN (htab->tls_size, bed->static_tls_alignment);
2824 return address - static_tls_size - htab->tls_sec->vma;
2827 /* Return the relocation value for a %gdop relocation. */
2830 gdopoff (struct bfd_link_info *info, bfd_vma address)
2832 struct elf_link_hash_table *htab = elf_hash_table (info);
2835 got_base = (htab->hgot->root.u.def.value
2836 + htab->hgot->root.u.def.section->output_offset
2837 + htab->hgot->root.u.def.section->output_section->vma);
2839 return address - got_base;
2842 /* Relocate a SPARC ELF section. */
2845 _bfd_sparc_elf_relocate_section (bfd *output_bfd,
2846 struct bfd_link_info *info,
2848 asection *input_section,
2850 Elf_Internal_Rela *relocs,
2851 Elf_Internal_Sym *local_syms,
2852 asection **local_sections)
2854 struct _bfd_sparc_elf_link_hash_table *htab;
2855 Elf_Internal_Shdr *symtab_hdr;
2856 struct elf_link_hash_entry **sym_hashes;
2857 bfd_vma *local_got_offsets;
2860 Elf_Internal_Rela *rel;
2861 Elf_Internal_Rela *relend;
2863 bfd_boolean is_vxworks_tls;
2865 htab = _bfd_sparc_elf_hash_table (info);
2866 BFD_ASSERT (htab != NULL);
2867 symtab_hdr = &elf_symtab_hdr (input_bfd);
2868 sym_hashes = elf_sym_hashes (input_bfd);
2869 local_got_offsets = elf_local_got_offsets (input_bfd);
2871 if (elf_hash_table (info)->hgot == NULL)
2874 got_base = elf_hash_table (info)->hgot->root.u.def.value;
2876 sreloc = elf_section_data (input_section)->sreloc;
2877 /* We have to handle relocations in vxworks .tls_vars sections
2878 specially, because the dynamic loader is 'weird'. */
2879 is_vxworks_tls = (htab->is_vxworks && info->shared
2880 && !strcmp (input_section->output_section->name,
2884 if (ABI_64_P (output_bfd))
2885 num_relocs = NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section));
2887 num_relocs = input_section->reloc_count;
2888 relend = relocs + num_relocs;
2889 for (; rel < relend; rel++)
2891 int r_type, tls_type;
2892 reloc_howto_type *howto;
2893 unsigned long r_symndx;
2894 struct elf_link_hash_entry *h;
2895 Elf_Internal_Sym *sym;
2897 bfd_vma relocation, off;
2898 bfd_reloc_status_type r;
2899 bfd_boolean is_plt = FALSE;
2900 bfd_boolean unresolved_reloc;
2902 r_type = SPARC_ELF_R_TYPE (rel->r_info);
2903 if (r_type == R_SPARC_GNU_VTINHERIT
2904 || r_type == R_SPARC_GNU_VTENTRY)
2907 if (r_type < 0 || r_type >= (int) R_SPARC_max_std)
2909 bfd_set_error (bfd_error_bad_value);
2912 howto = _bfd_sparc_elf_howto_table + r_type;
2914 r_symndx = SPARC_ELF_R_SYMNDX (htab, rel->r_info);
2918 unresolved_reloc = FALSE;
2919 if (r_symndx < symtab_hdr->sh_info)
2921 sym = local_syms + r_symndx;
2922 sec = local_sections[r_symndx];
2923 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
2925 if (!info->relocatable
2926 && ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2928 /* Relocate against local STT_GNU_IFUNC symbol. */
2929 h = elf_sparc_get_local_sym_hash (htab, input_bfd,
2934 /* Set STT_GNU_IFUNC symbol value. */
2935 h->root.u.def.value = sym->st_value;
2936 h->root.u.def.section = sec;
2943 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2944 r_symndx, symtab_hdr, sym_hashes,
2946 unresolved_reloc, warned);
2949 /* To avoid generating warning messages about truncated
2950 relocations, set the relocation's address to be the same as
2951 the start of this section. */
2952 if (input_section->output_section != NULL)
2953 relocation = input_section->output_section->vma;
2959 if (sec != NULL && elf_discarded_section (sec))
2960 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
2961 rel, relend, howto, contents);
2963 if (info->relocatable)
2967 && h->type == STT_GNU_IFUNC
2973 if ((input_section->flags & SEC_ALLOC) == 0
2974 || h->plt.offset == (bfd_vma) -1)
2977 plt_sec = htab->elf.splt;
2979 plt_sec =htab->elf.iplt;
2983 case R_SPARC_GOTDATA_OP:
2986 case R_SPARC_GOTDATA_OP_HIX22:
2987 case R_SPARC_GOTDATA_OP_LOX10:
2988 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
2991 howto = _bfd_sparc_elf_howto_table + r_type;
2997 if (htab->elf.sgot == NULL)
2999 off = h->got.offset;
3000 if (off == (bfd_vma) -1)
3002 relocation = htab->elf.sgot->output_offset + off - got_base;
3005 case R_SPARC_WPLT30:
3006 case R_SPARC_WDISP30:
3007 relocation = (plt_sec->output_section->vma
3008 + plt_sec->output_offset + h->plt.offset);
3013 if (info->shared && h->non_got_ref)
3015 Elf_Internal_Rela outrel;
3018 offset = _bfd_elf_section_offset (output_bfd, info,
3021 if (offset == (bfd_vma) -1
3022 || offset == (bfd_vma) -2)
3025 outrel.r_offset = (input_section->output_section->vma
3026 + input_section->output_offset
3029 if (h->dynindx == -1
3031 || info->executable)
3033 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3034 0, R_SPARC_IRELATIVE);
3035 outrel.r_addend = relocation + rel->r_addend;
3039 if (h->dynindx == -1)
3041 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3042 outrel.r_addend = rel->r_addend;
3045 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3049 relocation = (plt_sec->output_section->vma
3050 + plt_sec->output_offset + h->plt.offset);
3055 /* We should only see such relocs in static links. */
3058 relocation = (plt_sec->output_section->vma
3059 + plt_sec->output_offset + h->plt.offset);
3063 if (h->root.root.string)
3064 name = h->root.root.string;
3066 name = bfd_elf_sym_name (input_bfd, symtab_hdr, sym,
3068 (*_bfd_error_handler)
3069 (_("%B: relocation %s against STT_GNU_IFUNC "
3070 "symbol `%s' isn't handled by %s"), input_bfd,
3071 _bfd_sparc_elf_howto_table[r_type].name,
3072 name, __FUNCTION__);
3073 bfd_set_error (bfd_error_bad_value);
3080 case R_SPARC_GOTDATA_OP_HIX22:
3081 case R_SPARC_GOTDATA_OP_LOX10:
3082 if (SYMBOL_REFERENCES_LOCAL (info, h))
3083 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3084 ? R_SPARC_GOTDATA_HIX22
3085 : R_SPARC_GOTDATA_LOX10);
3087 r_type = (r_type == R_SPARC_GOTDATA_OP_HIX22
3090 howto = _bfd_sparc_elf_howto_table + r_type;
3093 case R_SPARC_GOTDATA_OP:
3094 if (SYMBOL_REFERENCES_LOCAL (info, h))
3096 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3098 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3099 relocation = 0x80000000 | (insn & 0x3e07c01f);
3100 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3107 case R_SPARC_GOTDATA_HIX22:
3108 case R_SPARC_GOTDATA_LOX10:
3109 relocation = gdopoff (info, relocation);
3115 /* Relocation is to the entry for this symbol in the global
3117 if (htab->elf.sgot == NULL)
3124 off = h->got.offset;
3125 BFD_ASSERT (off != (bfd_vma) -1);
3126 dyn = elf_hash_table (info)->dynamic_sections_created;
3128 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
3130 && SYMBOL_REFERENCES_LOCAL (info, h)))
3132 /* This is actually a static link, or it is a
3133 -Bsymbolic link and the symbol is defined
3134 locally, or the symbol was forced to be local
3135 because of a version file. We must initialize
3136 this entry in the global offset table. Since the
3137 offset must always be a multiple of 8 for 64-bit
3138 and 4 for 32-bit, we use the least significant bit
3139 to record whether we have initialized it already.
3141 When doing a dynamic link, we create a .rela.got
3142 relocation entry to initialize the value. This
3143 is done in the finish_dynamic_symbol routine. */
3148 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3149 htab->elf.sgot->contents + off);
3154 unresolved_reloc = FALSE;
3158 BFD_ASSERT (local_got_offsets != NULL
3159 && local_got_offsets[r_symndx] != (bfd_vma) -1);
3161 off = local_got_offsets[r_symndx];
3163 /* The offset must always be a multiple of 8 on 64-bit and
3164 4 on 32-bit. We use the least significant bit to record
3165 whether we have already processed this entry. */
3174 Elf_Internal_Rela outrel;
3176 /* We need to generate a R_SPARC_RELATIVE reloc
3177 for the dynamic linker. */
3178 s = htab->elf.srelgot;
3179 BFD_ASSERT (s != NULL);
3181 outrel.r_offset = (htab->elf.sgot->output_section->vma
3182 + htab->elf.sgot->output_offset
3184 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3185 0, R_SPARC_RELATIVE);
3186 outrel.r_addend = relocation;
3188 sparc_elf_append_rela (output_bfd, s, &outrel);
3191 SPARC_ELF_PUT_WORD (htab, output_bfd, relocation,
3192 htab->elf.sgot->contents + off);
3193 local_got_offsets[r_symndx] |= 1;
3196 relocation = htab->elf.sgot->output_offset + off - got_base;
3201 if (h == NULL || h->plt.offset == (bfd_vma) -1)
3203 r_type = (r_type == R_SPARC_PLT32) ? R_SPARC_32 : R_SPARC_64;
3208 case R_SPARC_WPLT30:
3209 case R_SPARC_HIPLT22:
3210 case R_SPARC_LOPLT10:
3211 case R_SPARC_PCPLT32:
3212 case R_SPARC_PCPLT22:
3213 case R_SPARC_PCPLT10:
3215 /* Relocation is to the entry for this symbol in the
3216 procedure linkage table. */
3218 if (! ABI_64_P (output_bfd))
3220 /* The Solaris native assembler will generate a WPLT30 reloc
3221 for a local symbol if you assemble a call from one
3222 section to another when using -K pic. We treat it as
3227 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3228 else if (r_type == R_SPARC_WPLT30 && h == NULL)
3232 BFD_ASSERT (h != NULL);
3235 if (h->plt.offset == (bfd_vma) -1 || htab->elf.splt == NULL)
3237 /* We didn't make a PLT entry for this symbol. This
3238 happens when statically linking PIC code, or when
3239 using -Bsymbolic. */
3243 relocation = (htab->elf.splt->output_section->vma
3244 + htab->elf.splt->output_offset
3246 unresolved_reloc = FALSE;
3247 if (r_type == R_SPARC_PLT32 || r_type == R_SPARC_PLT64)
3249 r_type = r_type == R_SPARC_PLT32 ? R_SPARC_32 : R_SPARC_64;
3257 case R_SPARC_PC_HH22:
3258 case R_SPARC_PC_HM10:
3259 case R_SPARC_PC_LM22:
3261 && strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
3265 case R_SPARC_DISP16:
3266 case R_SPARC_DISP32:
3267 case R_SPARC_DISP64:
3268 case R_SPARC_WDISP30:
3269 case R_SPARC_WDISP22:
3270 case R_SPARC_WDISP19:
3271 case R_SPARC_WDISP16:
3298 if ((input_section->flags & SEC_ALLOC) == 0
3304 || ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
3305 || h->root.type != bfd_link_hash_undefweak)
3306 && (! howto->pc_relative
3307 || !SYMBOL_CALLS_LOCAL (info, h)))
3314 || h->root.type == bfd_link_hash_undefweak
3315 || h->root.type == bfd_link_hash_undefined)))
3317 Elf_Internal_Rela outrel;
3318 bfd_boolean skip, relocate = FALSE;
3320 /* When generating a shared object, these relocations
3321 are copied into the output file to be resolved at run
3324 BFD_ASSERT (sreloc != NULL);
3329 _bfd_elf_section_offset (output_bfd, info, input_section,
3331 if (outrel.r_offset == (bfd_vma) -1)
3333 else if (outrel.r_offset == (bfd_vma) -2)
3334 skip = TRUE, relocate = TRUE;
3335 outrel.r_offset += (input_section->output_section->vma
3336 + input_section->output_offset);
3338 /* Optimize unaligned reloc usage now that we know where
3339 it finally resides. */
3343 if (outrel.r_offset & 1)
3344 r_type = R_SPARC_UA16;
3347 if (!(outrel.r_offset & 1))
3348 r_type = R_SPARC_16;
3351 if (outrel.r_offset & 3)
3352 r_type = R_SPARC_UA32;
3355 if (!(outrel.r_offset & 3))
3356 r_type = R_SPARC_32;
3359 if (outrel.r_offset & 7)
3360 r_type = R_SPARC_UA64;
3363 if (!(outrel.r_offset & 7))
3364 r_type = R_SPARC_64;
3367 case R_SPARC_DISP16:
3368 case R_SPARC_DISP32:
3369 case R_SPARC_DISP64:
3370 /* If the symbol is not dynamic, we should not keep
3371 a dynamic relocation. But an .rela.* slot has been
3372 allocated for it, output R_SPARC_NONE.
3373 FIXME: Add code tracking needed dynamic relocs as
3375 if (h->dynindx == -1)
3376 skip = TRUE, relocate = TRUE;
3381 memset (&outrel, 0, sizeof outrel);
3382 /* h->dynindx may be -1 if the symbol was marked to
3384 else if (h != NULL &&
3388 || !SYMBOLIC_BIND (info, h)
3389 || !h->def_regular))
3391 BFD_ASSERT (h->dynindx != -1);
3392 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, h->dynindx, r_type);
3393 outrel.r_addend = rel->r_addend;
3397 if (r_type == R_SPARC_32 || r_type == R_SPARC_64)
3399 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL,
3400 0, R_SPARC_RELATIVE);
3401 outrel.r_addend = relocation + rel->r_addend;
3407 outrel.r_addend = relocation + rel->r_addend;
3410 sec = htab->elf.splt;
3412 if (bfd_is_abs_section (sec))
3414 else if (sec == NULL || sec->owner == NULL)
3416 bfd_set_error (bfd_error_bad_value);
3423 /* We are turning this relocation into one
3424 against a section symbol. It would be
3425 proper to subtract the symbol's value,
3426 osec->vma, from the emitted reloc addend,
3427 but ld.so expects buggy relocs. */
3428 osec = sec->output_section;
3429 indx = elf_section_data (osec)->dynindx;
3433 osec = htab->elf.text_index_section;
3434 indx = elf_section_data (osec)->dynindx;
3437 /* FIXME: we really should be able to link non-pic
3438 shared libraries. */
3442 (*_bfd_error_handler)
3443 (_("%B: probably compiled without -fPIC?"),
3445 bfd_set_error (bfd_error_bad_value);
3450 outrel.r_info = SPARC_ELF_R_INFO (htab, rel, indx,
3455 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3457 /* This reloc will be computed at runtime, so there's no
3458 need to do anything now. */
3464 case R_SPARC_TLS_GD_HI22:
3465 if (! ABI_64_P (input_bfd)
3466 && ! _bfd_sparc_elf_tdata (input_bfd)->has_tlsgd)
3468 /* R_SPARC_REV32 used the same reloc number as
3469 R_SPARC_TLS_GD_HI22. */
3470 r_type = R_SPARC_REV32;
3475 case R_SPARC_TLS_GD_LO10:
3476 case R_SPARC_TLS_IE_HI22:
3477 case R_SPARC_TLS_IE_LO10:
3478 r_type = sparc_elf_tls_transition (info, input_bfd, r_type, h == NULL);
3479 tls_type = GOT_UNKNOWN;
3480 if (h == NULL && local_got_offsets)
3481 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3484 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3485 if (!info->shared && h->dynindx == -1 && tls_type == GOT_TLS_IE)
3486 switch (SPARC_ELF_R_TYPE (rel->r_info))
3488 case R_SPARC_TLS_GD_HI22:
3489 case R_SPARC_TLS_IE_HI22:
3490 r_type = R_SPARC_TLS_LE_HIX22;
3493 r_type = R_SPARC_TLS_LE_LOX10;
3497 if (tls_type == GOT_TLS_IE)
3500 case R_SPARC_TLS_GD_HI22:
3501 r_type = R_SPARC_TLS_IE_HI22;
3503 case R_SPARC_TLS_GD_LO10:
3504 r_type = R_SPARC_TLS_IE_LO10;
3508 if (r_type == R_SPARC_TLS_LE_HIX22)
3510 relocation = tpoff (info, relocation);
3513 if (r_type == R_SPARC_TLS_LE_LOX10)
3515 /* Change add into xor. */
3516 relocation = tpoff (info, relocation);
3517 bfd_put_32 (output_bfd, (bfd_get_32 (input_bfd,
3518 contents + rel->r_offset)
3519 | 0x80182000), contents + rel->r_offset);
3525 off = h->got.offset;
3530 BFD_ASSERT (local_got_offsets != NULL);
3531 off = local_got_offsets[r_symndx];
3532 local_got_offsets[r_symndx] |= 1;
3536 if (htab->elf.sgot == NULL)
3543 Elf_Internal_Rela outrel;
3546 if (htab->elf.srelgot == NULL)
3549 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3550 htab->elf.sgot->contents + off);
3551 outrel.r_offset = (htab->elf.sgot->output_section->vma
3552 + htab->elf.sgot->output_offset + off);
3553 indx = h && h->dynindx != -1 ? h->dynindx : 0;
3554 if (r_type == R_SPARC_TLS_IE_HI22
3555 || r_type == R_SPARC_TLS_IE_LO10)
3556 dr_type = SPARC_ELF_TPOFF_RELOC (htab);
3558 dr_type = SPARC_ELF_DTPMOD_RELOC (htab);
3559 if (dr_type == SPARC_ELF_TPOFF_RELOC (htab) && indx == 0)
3560 outrel.r_addend = relocation - dtpoff_base (info);
3562 outrel.r_addend = 0;
3563 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx, dr_type);
3564 sparc_elf_append_rela (output_bfd, htab->elf.srelgot, &outrel);
3566 if (r_type == R_SPARC_TLS_GD_HI22
3567 || r_type == R_SPARC_TLS_GD_LO10)
3571 BFD_ASSERT (! unresolved_reloc);
3572 SPARC_ELF_PUT_WORD (htab, output_bfd,
3573 relocation - dtpoff_base (info),
3574 (htab->elf.sgot->contents + off
3575 + SPARC_ELF_WORD_BYTES (htab)));
3579 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3580 (htab->elf.sgot->contents + off
3581 + SPARC_ELF_WORD_BYTES (htab)));
3582 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, indx,
3583 SPARC_ELF_DTPOFF_RELOC (htab));
3584 outrel.r_offset += SPARC_ELF_WORD_BYTES (htab);
3585 sparc_elf_append_rela (output_bfd, htab->elf.srelgot,
3589 else if (dr_type == SPARC_ELF_DTPMOD_RELOC (htab))
3591 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
3592 (htab->elf.sgot->contents + off
3593 + SPARC_ELF_WORD_BYTES (htab)));
3597 if (off >= (bfd_vma) -2)
3600 relocation = htab->elf.sgot->output_offset + off - got_base;
3601 unresolved_reloc = FALSE;
3602 howto = _bfd_sparc_elf_howto_table + r_type;
3605 case R_SPARC_TLS_LDM_HI22:
3606 case R_SPARC_TLS_LDM_LO10:
3609 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3612 off = htab->tls_ldm_got.offset;
3613 htab->tls_ldm_got.offset |= 1;
3614 goto r_sparc_tlsldm;
3616 case R_SPARC_TLS_LDO_HIX22:
3617 case R_SPARC_TLS_LDO_LOX10:
3620 relocation -= dtpoff_base (info);
3624 r_type = (r_type == R_SPARC_TLS_LDO_HIX22
3625 ? R_SPARC_TLS_LE_HIX22 : R_SPARC_TLS_LE_LOX10);
3628 case R_SPARC_TLS_LE_HIX22:
3629 case R_SPARC_TLS_LE_LOX10:
3632 Elf_Internal_Rela outrel;
3635 BFD_ASSERT (sreloc != NULL);
3638 _bfd_elf_section_offset (output_bfd, info, input_section,
3640 if (outrel.r_offset == (bfd_vma) -1)
3642 else if (outrel.r_offset == (bfd_vma) -2)
3644 outrel.r_offset += (input_section->output_section->vma
3645 + input_section->output_offset);
3647 memset (&outrel, 0, sizeof outrel);
3650 outrel.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, r_type);
3651 outrel.r_addend = relocation - dtpoff_base (info)
3655 sparc_elf_append_rela (output_bfd, sreloc, &outrel);
3658 relocation = tpoff (info, relocation);
3661 case R_SPARC_TLS_LDM_CALL:
3665 bfd_put_32 (output_bfd, 0x90100000, contents + rel->r_offset);
3670 case R_SPARC_TLS_GD_CALL:
3671 tls_type = GOT_UNKNOWN;
3672 if (h == NULL && local_got_offsets)
3673 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3675 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3677 || (r_type == R_SPARC_TLS_GD_CALL && tls_type == GOT_TLS_IE))
3681 if (!info->shared && (h == NULL || h->dynindx == -1))
3684 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3689 if (rel + 1 < relend
3690 && SPARC_ELF_R_TYPE (rel[1].r_info) == R_SPARC_TLS_GD_ADD
3691 && rel[1].r_offset == rel->r_offset + 4
3692 && SPARC_ELF_R_SYMNDX (htab, rel[1].r_info) == r_symndx
3693 && (((insn = bfd_get_32 (input_bfd,
3694 contents + rel[1].r_offset))
3695 >> 25) & 0x1f) == 8)
3698 call __tls_get_addr, %tgd_call(foo)
3699 add %reg1, %reg2, %o0, %tgd_add(foo)
3700 and change it into IE:
3701 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3702 add %g7, %o0, %o0, %tie_add(foo).
3703 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3704 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3705 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3706 bfd_put_32 (output_bfd, insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000),
3707 contents + rel->r_offset);
3708 bfd_put_32 (output_bfd, 0x9001c008,
3709 contents + rel->r_offset + 4);
3714 bfd_put_32 (output_bfd, 0x9001c008, contents + rel->r_offset);
3718 h = (struct elf_link_hash_entry *)
3719 bfd_link_hash_lookup (info->hash, "__tls_get_addr", FALSE,
3721 BFD_ASSERT (h != NULL);
3722 r_type = R_SPARC_WPLT30;
3723 howto = _bfd_sparc_elf_howto_table + r_type;
3724 goto r_sparc_wplt30;
3726 case R_SPARC_TLS_GD_ADD:
3727 tls_type = GOT_UNKNOWN;
3728 if (h == NULL && local_got_offsets)
3729 tls_type = _bfd_sparc_elf_local_got_tls_type (input_bfd) [r_symndx];
3731 tls_type = _bfd_sparc_elf_hash_entry(h)->tls_type;
3732 if (! info->shared || tls_type == GOT_TLS_IE)
3734 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3736 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3738 add %g7, %reg2, %reg3. */
3739 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3740 if ((h != NULL && h->dynindx != -1) || info->shared)
3741 relocation = insn | (ABI_64_P (output_bfd) ? 0xc0580000 : 0xc0000000);
3743 relocation = (insn & ~0x7c000) | 0x1c000;
3744 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3748 case R_SPARC_TLS_LDM_ADD:
3750 bfd_put_32 (output_bfd, SPARC_NOP, contents + rel->r_offset);
3753 case R_SPARC_TLS_LDO_ADD:
3756 /* Change rs1 into %g7. */
3757 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3758 insn = (insn & ~0x7c000) | 0x1c000;
3759 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3763 case R_SPARC_TLS_IE_LD:
3764 case R_SPARC_TLS_IE_LDX:
3765 if (! info->shared && (h == NULL || h->dynindx == -1))
3767 bfd_vma insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
3768 int rs2 = insn & 0x1f;
3769 int rd = (insn >> 25) & 0x1f;
3772 relocation = SPARC_NOP;
3774 relocation = 0x80100000 | (insn & 0x3e00001f);
3775 bfd_put_32 (output_bfd, relocation, contents + rel->r_offset);
3779 case R_SPARC_TLS_IE_ADD:
3780 /* Totally useless relocation. */
3783 case R_SPARC_TLS_DTPOFF32:
3784 case R_SPARC_TLS_DTPOFF64:
3785 relocation -= dtpoff_base (info);
3792 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3793 because such sections are not SEC_ALLOC and thus ld.so will
3794 not process them. */
3795 if (unresolved_reloc
3796 && !((input_section->flags & SEC_DEBUGGING) != 0
3798 (*_bfd_error_handler)
3799 (_("%B(%A+0x%lx): unresolvable %s relocation against symbol `%s'"),
3802 (long) rel->r_offset,
3804 h->root.root.string);
3806 r = bfd_reloc_continue;
3807 if (r_type == R_SPARC_OLO10)
3811 if (! ABI_64_P (output_bfd))
3814 relocation += rel->r_addend;
3815 relocation = (relocation & 0x3ff) + ELF64_R_TYPE_DATA (rel->r_info);
3817 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3818 x = (x & ~(bfd_vma) 0x1fff) | (relocation & 0x1fff);
3819 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3821 r = bfd_check_overflow (howto->complain_on_overflow,
3822 howto->bitsize, howto->rightshift,
3823 bfd_arch_bits_per_address (input_bfd),
3826 else if (r_type == R_SPARC_WDISP16)
3830 relocation += rel->r_addend;
3831 relocation -= (input_section->output_section->vma
3832 + input_section->output_offset);
3833 relocation -= rel->r_offset;
3835 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3836 x |= ((((relocation >> 2) & 0xc000) << 6)
3837 | ((relocation >> 2) & 0x3fff));
3838 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3840 r = bfd_check_overflow (howto->complain_on_overflow,
3841 howto->bitsize, howto->rightshift,
3842 bfd_arch_bits_per_address (input_bfd),
3845 else if (r_type == R_SPARC_REV32)
3849 relocation = relocation + rel->r_addend;
3851 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3853 bfd_putl32 (/*input_bfd,*/ x, contents + rel->r_offset);
3856 else if (r_type == R_SPARC_TLS_LDO_HIX22
3857 || r_type == R_SPARC_TLS_LE_HIX22)
3861 relocation += rel->r_addend;
3862 if (r_type == R_SPARC_TLS_LE_HIX22)
3863 relocation ^= MINUS_ONE;
3865 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3866 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3867 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3870 else if (r_type == R_SPARC_TLS_LDO_LOX10
3871 || r_type == R_SPARC_TLS_LE_LOX10)
3875 relocation += rel->r_addend;
3876 relocation &= 0x3ff;
3877 if (r_type == R_SPARC_TLS_LE_LOX10)
3878 relocation |= 0x1c00;
3880 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3881 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3882 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3886 else if (r_type == R_SPARC_HIX22
3887 || r_type == R_SPARC_GOTDATA_HIX22)
3891 relocation += rel->r_addend;
3892 if (r_type == R_SPARC_HIX22
3893 || (bfd_signed_vma) relocation < 0)
3894 relocation = relocation ^ MINUS_ONE;
3896 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3897 x = (x & ~(bfd_vma) 0x3fffff) | ((relocation >> 10) & 0x3fffff);
3898 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3900 r = bfd_check_overflow (howto->complain_on_overflow,
3901 howto->bitsize, howto->rightshift,
3902 bfd_arch_bits_per_address (input_bfd),
3905 else if (r_type == R_SPARC_LOX10
3906 || r_type == R_SPARC_GOTDATA_LOX10)
3910 relocation += rel->r_addend;
3911 if (r_type == R_SPARC_LOX10
3912 || (bfd_signed_vma) relocation < 0)
3913 relocation = (relocation & 0x3ff) | 0x1c00;
3915 relocation = (relocation & 0x3ff);
3917 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3918 x = (x & ~(bfd_vma) 0x1fff) | relocation;
3919 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3923 else if ((r_type == R_SPARC_WDISP30 || r_type == R_SPARC_WPLT30)
3924 && sec_do_relax (input_section)
3925 && rel->r_offset + 4 < input_section->size)
3929 #define XCC (2 << 20)
3930 #define COND(x) (((x)&0xf)<<25)
3931 #define CONDA COND(0x8)
3932 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3933 #define INSN_BA (F2(0,2) | CONDA)
3934 #define INSN_OR F3(2, 0x2, 0)
3935 #define INSN_NOP F2(0,4)
3939 /* If the instruction is a call with either:
3941 arithmetic instruction with rd == %o7
3942 where rs1 != %o7 and rs2 if it is register != %o7
3943 then we can optimize if the call destination is near
3944 by changing the call into a branch always. */
3945 x = bfd_get_32 (input_bfd, contents + rel->r_offset);
3946 y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
3947 if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
3949 if (((y & OP3(~0)) == OP3(0x3d) /* restore */
3950 || ((y & OP3(0x28)) == 0 /* arithmetic */
3951 && (y & RD(~0)) == RD(O7)))
3952 && (y & RS1(~0)) != RS1(O7)
3954 || (y & RS2(~0)) != RS2(O7)))
3958 reloc = relocation + rel->r_addend - rel->r_offset;
3959 reloc -= (input_section->output_section->vma
3960 + input_section->output_offset);
3962 /* Ensure the branch fits into simm22. */
3963 if ((reloc & 3) == 0
3964 && ((reloc & ~(bfd_vma)0x7fffff) == 0
3965 || ((reloc | 0x7fffff) == ~(bfd_vma)0)))
3969 /* Check whether it fits into simm19. */
3970 if (((reloc & 0x3c0000) == 0
3971 || (reloc & 0x3c0000) == 0x3c0000)
3972 && (ABI_64_P (output_bfd)
3973 || elf_elfheader (output_bfd)->e_flags & EF_SPARC_32PLUS))
3974 x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
3976 x = INSN_BA | (reloc & 0x3fffff); /* ba */
3977 bfd_put_32 (input_bfd, x, contents + rel->r_offset);
3979 if (rel->r_offset >= 4
3980 && (y & (0xffffffff ^ RS1(~0)))
3981 == (INSN_OR | RD(O7) | RS2(G0)))
3986 z = bfd_get_32 (input_bfd,
3987 contents + rel->r_offset - 4);
3988 if ((z & (0xffffffff ^ RD(~0)))
3989 != (INSN_OR | RS1(O7) | RS2(G0)))
3997 If call foo was replaced with ba, replace
3998 or %rN, %g0, %o7 with nop. */
4000 reg = (y & RS1(~0)) >> 14;
4001 if (reg != ((z & RD(~0)) >> 25)
4002 || reg == G0 || reg == O7)
4005 bfd_put_32 (input_bfd, (bfd_vma) INSN_NOP,
4006 contents + rel->r_offset + 4);
4014 if (r == bfd_reloc_continue)
4017 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
4018 contents, rel->r_offset,
4019 relocation, rel->r_addend);
4021 if (r != bfd_reloc_ok)
4026 case bfd_reloc_outofrange:
4028 case bfd_reloc_overflow:
4032 /* The Solaris native linker silently disregards overflows.
4033 We don't, but this breaks stabs debugging info, whose
4034 relocations are only 32-bits wide. Ignore overflows in
4035 this case and also for discarded entries. */
4036 if ((r_type == R_SPARC_32 || r_type == R_SPARC_DISP32)
4037 && (((input_section->flags & SEC_DEBUGGING) != 0
4038 && strcmp (bfd_section_name (input_bfd,
4041 || _bfd_elf_section_offset (output_bfd, info,
4049 /* Assume this is a call protected by other code that
4050 detect the symbol is undefined. If this is the case,
4051 we can safely ignore the overflow. If not, the
4052 program is hosed anyway, and a little warning isn't
4054 if (h->root.type == bfd_link_hash_undefweak
4055 && howto->pc_relative)
4062 name = bfd_elf_string_from_elf_section (input_bfd,
4063 symtab_hdr->sh_link,
4068 name = bfd_section_name (input_bfd, sec);
4070 if (! ((*info->callbacks->reloc_overflow)
4071 (info, (h ? &h->root : NULL), name, howto->name,
4072 (bfd_vma) 0, input_bfd, input_section,
4084 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4085 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4086 is the offset of the associated .got.plt entry from
4087 _GLOBAL_OFFSET_TABLE_. */
4090 sparc_vxworks_build_plt_entry (bfd *output_bfd, struct bfd_link_info *info,
4091 bfd_vma plt_offset, bfd_vma plt_index,
4095 const bfd_vma *plt_entry;
4096 struct _bfd_sparc_elf_link_hash_table *htab;
4098 Elf_Internal_Rela rela;
4100 htab = _bfd_sparc_elf_hash_table (info);
4101 BFD_ASSERT (htab != NULL);
4105 plt_entry = sparc_vxworks_shared_plt_entry;
4110 plt_entry = sparc_vxworks_exec_plt_entry;
4111 got_base = (htab->elf.hgot->root.u.def.value
4112 + htab->elf.hgot->root.u.def.section->output_offset
4113 + htab->elf.hgot->root.u.def.section->output_section->vma);
4116 /* Fill in the entry in the procedure linkage table. */
4117 bfd_put_32 (output_bfd, plt_entry[0] + ((got_base + got_offset) >> 10),
4118 htab->elf.splt->contents + plt_offset);
4119 bfd_put_32 (output_bfd, plt_entry[1] + ((got_base + got_offset) & 0x3ff),
4120 htab->elf.splt->contents + plt_offset + 4);
4121 bfd_put_32 (output_bfd, plt_entry[2],
4122 htab->elf.splt->contents + plt_offset + 8);
4123 bfd_put_32 (output_bfd, plt_entry[3],
4124 htab->elf.splt->contents + plt_offset + 12);
4125 bfd_put_32 (output_bfd, plt_entry[4],
4126 htab->elf.splt->contents + plt_offset + 16);
4127 bfd_put_32 (output_bfd, plt_entry[5] + (plt_index >> 10),
4128 htab->elf.splt->contents + plt_offset + 20);
4129 /* PC-relative displacement for a branch to the start of
4131 bfd_put_32 (output_bfd, plt_entry[6] + (((-plt_offset - 24) >> 2)
4133 htab->elf.splt->contents + plt_offset + 24);
4134 bfd_put_32 (output_bfd, plt_entry[7] + (plt_index & 0x3ff),
4135 htab->elf.splt->contents + plt_offset + 28);
4137 /* Fill in the .got.plt entry, pointing initially at the
4138 second half of the PLT entry. */
4139 BFD_ASSERT (htab->elf.sgotplt != NULL);
4140 bfd_put_32 (output_bfd,
4141 htab->elf.splt->output_section->vma
4142 + htab->elf.splt->output_offset
4144 htab->elf.sgotplt->contents + got_offset);
4146 /* Add relocations to .rela.plt.unloaded. */
4149 loc = (htab->srelplt2->contents
4150 + (2 + 3 * plt_index) * sizeof (Elf32_External_Rela));
4152 /* Relocate the initial sethi. */
4153 rela.r_offset = (htab->elf.splt->output_section->vma
4154 + htab->elf.splt->output_offset
4156 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4157 rela.r_addend = got_offset;
4158 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4159 loc += sizeof (Elf32_External_Rela);
4161 /* Likewise the following or. */
4163 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4164 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4165 loc += sizeof (Elf32_External_Rela);
4167 /* Relocate the .got.plt entry. */
4168 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4169 + htab->elf.sgotplt->output_offset
4171 rela.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4172 rela.r_addend = plt_offset + 20;
4173 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4177 /* Finish up dynamic symbol handling. We set the contents of various
4178 dynamic sections here. */
4181 _bfd_sparc_elf_finish_dynamic_symbol (bfd *output_bfd,
4182 struct bfd_link_info *info,
4183 struct elf_link_hash_entry *h,
4184 Elf_Internal_Sym *sym)
4186 struct _bfd_sparc_elf_link_hash_table *htab;
4187 const struct elf_backend_data *bed;
4189 htab = _bfd_sparc_elf_hash_table (info);
4190 BFD_ASSERT (htab != NULL);
4191 bed = get_elf_backend_data (output_bfd);
4193 if (h->plt.offset != (bfd_vma) -1)
4197 Elf_Internal_Rela rela;
4199 bfd_vma r_offset, got_offset;
4202 /* When building a static executable, use .iplt and
4203 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4204 if (htab->elf.splt != NULL)
4206 splt = htab->elf.splt;
4207 srela = htab->elf.srelplt;
4211 splt = htab->elf.iplt;
4212 srela = htab->elf.irelplt;
4215 if (splt == NULL || srela == NULL)
4218 /* Fill in the entry in the .rela.plt section. */
4219 if (htab->is_vxworks)
4221 /* Work out the index of this PLT entry. */
4222 rela_index = ((h->plt.offset - htab->plt_header_size)
4223 / htab->plt_entry_size);
4225 /* Calculate the offset of the associated .got.plt entry.
4226 The first three entries are reserved. */
4227 got_offset = (rela_index + 3) * 4;
4229 sparc_vxworks_build_plt_entry (output_bfd, info, h->plt.offset,
4230 rela_index, got_offset);
4233 /* On VxWorks, the relocation points to the .got.plt entry,
4234 not the .plt entry. */
4235 rela.r_offset = (htab->elf.sgotplt->output_section->vma
4236 + htab->elf.sgotplt->output_offset
4239 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4244 bfd_boolean ifunc = FALSE;
4246 /* Fill in the entry in the procedure linkage table. */
4247 rela_index = SPARC_ELF_BUILD_PLT_ENTRY (htab, output_bfd, splt,
4248 h->plt.offset, splt->size,
4253 || ((info->executable
4254 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
4256 && h->type == STT_GNU_IFUNC))
4259 BFD_ASSERT (h == NULL
4260 || (h->type == STT_GNU_IFUNC
4262 && (h->root.type == bfd_link_hash_defined
4263 || h->root.type == bfd_link_hash_defweak)));
4266 rela.r_offset = r_offset
4267 + (splt->output_section->vma + splt->output_offset);
4268 if (ABI_64_P (output_bfd)
4269 && h->plt.offset >= (PLT64_LARGE_THRESHOLD * PLT64_ENTRY_SIZE))
4273 rela.r_addend = (h->root.u.def.section->output_section->vma
4274 + h->root.u.def.section->output_offset
4275 + h->root.u.def.value);
4276 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4281 rela.r_addend = (-(h->plt.offset + 4)
4282 - splt->output_section->vma
4283 - splt->output_offset);
4284 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4292 rela.r_addend = (h->root.u.def.section->output_section->vma
4293 + h->root.u.def.section->output_offset
4294 + h->root.u.def.value);
4295 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0,
4301 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx,
4307 /* Adjust for the first 4 reserved elements in the .plt section
4308 when setting the offset in the .rela.plt section.
4309 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4310 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4312 loc = srela->contents;
4313 loc += rela_index * bed->s->sizeof_rela;
4314 bed->s->swap_reloca_out (output_bfd, &rela, loc);
4316 if (!h->def_regular)
4318 /* Mark the symbol as undefined, rather than as defined in
4319 the .plt section. Leave the value alone. */
4320 sym->st_shndx = SHN_UNDEF;
4321 /* If the symbol is weak, we do need to clear the value.
4322 Otherwise, the PLT entry would provide a definition for
4323 the symbol even if the symbol wasn't defined anywhere,
4324 and so the symbol would never be NULL. */
4325 if (!h->ref_regular_nonweak)
4330 if (h->got.offset != (bfd_vma) -1
4331 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_GD
4332 && _bfd_sparc_elf_hash_entry(h)->tls_type != GOT_TLS_IE)
4336 Elf_Internal_Rela rela;
4338 /* This symbol has an entry in the GOT. Set it up. */
4340 sgot = htab->elf.sgot;
4341 srela = htab->elf.srelgot;
4342 BFD_ASSERT (sgot != NULL && srela != NULL);
4344 rela.r_offset = (sgot->output_section->vma
4345 + sgot->output_offset
4346 + (h->got.offset &~ (bfd_vma) 1));
4348 /* If this is a -Bsymbolic link, and the symbol is defined
4349 locally, we just want to emit a RELATIVE reloc. Likewise if
4350 the symbol was forced to be local because of a version file.
4351 The entry in the global offset table will already have been
4352 initialized in the relocate_section function. */
4354 && h->type == STT_GNU_IFUNC
4359 /* We load the GOT entry with the PLT entry. */
4360 plt = htab->elf.splt ? htab->elf.splt : htab->elf.iplt;
4361 SPARC_ELF_PUT_WORD (htab, output_bfd,
4362 (plt->output_section->vma
4363 + plt->output_offset + h->plt.offset),
4364 htab->elf.sgot->contents
4365 + (h->got.offset & ~(bfd_vma) 1));
4368 else if (info->shared
4369 && SYMBOL_REFERENCES_LOCAL (info, h))
4371 asection *sec = h->root.u.def.section;
4372 if (h->type == STT_GNU_IFUNC)
4373 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_IRELATIVE);
4375 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, 0, R_SPARC_RELATIVE);
4376 rela.r_addend = (h->root.u.def.value
4377 + sec->output_section->vma
4378 + sec->output_offset);
4382 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_GLOB_DAT);
4386 SPARC_ELF_PUT_WORD (htab, output_bfd, 0,
4387 sgot->contents + (h->got.offset & ~(bfd_vma) 1));
4388 sparc_elf_append_rela (output_bfd, srela, &rela);
4394 Elf_Internal_Rela rela;
4396 /* This symbols needs a copy reloc. Set it up. */
4397 BFD_ASSERT (h->dynindx != -1);
4399 s = bfd_get_section_by_name (h->root.u.def.section->owner,
4401 BFD_ASSERT (s != NULL);
4403 rela.r_offset = (h->root.u.def.value
4404 + h->root.u.def.section->output_section->vma
4405 + h->root.u.def.section->output_offset);
4406 rela.r_info = SPARC_ELF_R_INFO (htab, NULL, h->dynindx, R_SPARC_COPY);
4408 sparc_elf_append_rela (output_bfd, s, &rela);
4411 /* Mark some specially defined symbols as absolute. On VxWorks,
4412 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4413 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4415 && (strcmp (h->root.root.string, "_DYNAMIC") == 0
4416 || (!htab->is_vxworks
4417 && (h == htab->elf.hgot || h == htab->elf.hplt))))
4418 sym->st_shndx = SHN_ABS;
4423 /* Finish up the dynamic sections. */
4426 sparc_finish_dyn (bfd *output_bfd, struct bfd_link_info *info,
4427 bfd *dynobj, asection *sdyn,
4428 asection *splt ATTRIBUTE_UNUSED)
4430 struct _bfd_sparc_elf_link_hash_table *htab;
4431 const struct elf_backend_data *bed;
4432 bfd_byte *dyncon, *dynconend;
4434 int stt_regidx = -1;
4435 bfd_boolean abi_64_p;
4437 htab = _bfd_sparc_elf_hash_table (info);
4438 BFD_ASSERT (htab != NULL);
4439 bed = get_elf_backend_data (output_bfd);
4440 dynsize = bed->s->sizeof_dyn;
4441 dynconend = sdyn->contents + sdyn->size;
4442 abi_64_p = ABI_64_P (output_bfd);
4443 for (dyncon = sdyn->contents; dyncon < dynconend; dyncon += dynsize)
4445 Elf_Internal_Dyn dyn;
4449 bed->s->swap_dyn_in (dynobj, dyncon, &dyn);
4451 if (htab->is_vxworks && dyn.d_tag == DT_RELASZ)
4453 /* On VxWorks, DT_RELASZ should not include the relocations
4455 if (htab->elf.srelplt)
4457 dyn.d_un.d_val -= htab->elf.srelplt->size;
4458 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4461 else if (htab->is_vxworks && dyn.d_tag == DT_PLTGOT)
4463 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4464 not to the start of the PLT. */
4465 if (htab->elf.sgotplt)
4467 dyn.d_un.d_val = (htab->elf.sgotplt->output_section->vma
4468 + htab->elf.sgotplt->output_offset);
4469 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4472 else if (htab->is_vxworks
4473 && elf_vxworks_finish_dynamic_entry (output_bfd, &dyn))
4474 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4475 else if (abi_64_p && dyn.d_tag == DT_SPARC_REGISTER)
4477 if (stt_regidx == -1)
4480 _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
4481 if (stt_regidx == -1)
4484 dyn.d_un.d_val = stt_regidx++;
4485 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4491 case DT_PLTGOT: name = ".plt"; size = FALSE; break;
4492 case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
4493 case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
4494 default: name = NULL; size = FALSE; break;
4501 s = bfd_get_section_by_name (output_bfd, name);
4507 dyn.d_un.d_ptr = s->vma;
4509 dyn.d_un.d_val = s->size;
4511 bed->s->swap_dyn_out (output_bfd, &dyn, dyncon);
4518 /* Install the first PLT entry in a VxWorks executable and make sure that
4519 .rela.plt.unloaded relocations have the correct symbol indexes. */
4522 sparc_vxworks_finish_exec_plt (bfd *output_bfd, struct bfd_link_info *info)
4524 struct _bfd_sparc_elf_link_hash_table *htab;
4525 Elf_Internal_Rela rela;
4529 htab = _bfd_sparc_elf_hash_table (info);
4530 BFD_ASSERT (htab != NULL);
4532 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4533 got_base = (htab->elf.hgot->root.u.def.section->output_section->vma
4534 + htab->elf.hgot->root.u.def.section->output_offset
4535 + htab->elf.hgot->root.u.def.value);
4537 /* Install the initial PLT entry. */
4538 bfd_put_32 (output_bfd,
4539 sparc_vxworks_exec_plt0_entry[0] + ((got_base + 8) >> 10),
4540 htab->elf.splt->contents);
4541 bfd_put_32 (output_bfd,
4542 sparc_vxworks_exec_plt0_entry[1] + ((got_base + 8) & 0x3ff),
4543 htab->elf.splt->contents + 4);
4544 bfd_put_32 (output_bfd,
4545 sparc_vxworks_exec_plt0_entry[2],
4546 htab->elf.splt->contents + 8);
4547 bfd_put_32 (output_bfd,
4548 sparc_vxworks_exec_plt0_entry[3],
4549 htab->elf.splt->contents + 12);
4550 bfd_put_32 (output_bfd,
4551 sparc_vxworks_exec_plt0_entry[4],
4552 htab->elf.splt->contents + 16);
4554 loc = htab->srelplt2->contents;
4556 /* Add an unloaded relocation for the initial entry's "sethi". */
4557 rela.r_offset = (htab->elf.splt->output_section->vma
4558 + htab->elf.splt->output_offset);
4559 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4561 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4562 loc += sizeof (Elf32_External_Rela);
4564 /* Likewise the following "or". */
4566 rela.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4567 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
4568 loc += sizeof (Elf32_External_Rela);
4570 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4571 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4572 in which symbols were output. */
4573 while (loc < htab->srelplt2->contents + htab->srelplt2->size)
4575 Elf_Internal_Rela rel;
4577 /* The entry's initial "sethi" (against _G_O_T_). */
4578 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4579 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_HI22);
4580 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4581 loc += sizeof (Elf32_External_Rela);
4583 /* The following "or" (also against _G_O_T_). */
4584 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4585 rel.r_info = ELF32_R_INFO (htab->elf.hgot->indx, R_SPARC_LO10);
4586 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4587 loc += sizeof (Elf32_External_Rela);
4589 /* The .got.plt entry (against _P_L_T_). */
4590 bfd_elf32_swap_reloc_in (output_bfd, loc, &rel);
4591 rel.r_info = ELF32_R_INFO (htab->elf.hplt->indx, R_SPARC_32);
4592 bfd_elf32_swap_reloc_out (output_bfd, &rel, loc);
4593 loc += sizeof (Elf32_External_Rela);
4597 /* Install the first PLT entry in a VxWorks shared object. */
4600 sparc_vxworks_finish_shared_plt (bfd *output_bfd, struct bfd_link_info *info)
4602 struct _bfd_sparc_elf_link_hash_table *htab;
4605 htab = _bfd_sparc_elf_hash_table (info);
4606 BFD_ASSERT (htab != NULL);
4608 for (i = 0; i < ARRAY_SIZE (sparc_vxworks_shared_plt0_entry); i++)
4609 bfd_put_32 (output_bfd, sparc_vxworks_shared_plt0_entry[i],
4610 htab->elf.splt->contents + i * 4);
4613 /* Finish up local dynamic symbol handling. We set the contents of
4614 various dynamic sections here. */
4617 finish_local_dynamic_symbol (void **slot, void *inf)
4619 struct elf_link_hash_entry *h
4620 = (struct elf_link_hash_entry *) *slot;
4621 struct bfd_link_info *info
4622 = (struct bfd_link_info *) inf;
4624 return _bfd_sparc_elf_finish_dynamic_symbol (info->output_bfd, info,
4629 _bfd_sparc_elf_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info)
4633 struct _bfd_sparc_elf_link_hash_table *htab;
4635 htab = _bfd_sparc_elf_hash_table (info);
4636 BFD_ASSERT (htab != NULL);
4637 dynobj = htab->elf.dynobj;
4639 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
4641 if (elf_hash_table (info)->dynamic_sections_created)
4645 splt = bfd_get_section_by_name (dynobj, ".plt");
4646 BFD_ASSERT (splt != NULL && sdyn != NULL);
4648 if (!sparc_finish_dyn (output_bfd, info, dynobj, sdyn, splt))
4651 /* Initialize the contents of the .plt section. */
4654 if (htab->is_vxworks)
4657 sparc_vxworks_finish_shared_plt (output_bfd, info);
4659 sparc_vxworks_finish_exec_plt (output_bfd, info);
4663 memset (splt->contents, 0, htab->plt_header_size);
4664 if (!ABI_64_P (output_bfd))
4665 bfd_put_32 (output_bfd, (bfd_vma) SPARC_NOP,
4666 splt->contents + splt->size - 4);
4670 elf_section_data (splt->output_section)->this_hdr.sh_entsize
4671 = (htab->is_vxworks || !ABI_64_P (output_bfd))
4672 ? 0 : htab->plt_entry_size;
4675 /* Set the first entry in the global offset table to the address of
4676 the dynamic section. */
4677 if (htab->elf.sgot && htab->elf.sgot->size > 0)
4679 bfd_vma val = (sdyn ?
4680 sdyn->output_section->vma + sdyn->output_offset :
4683 SPARC_ELF_PUT_WORD (htab, output_bfd, val, htab->elf.sgot->contents);
4687 elf_section_data (htab->elf.sgot->output_section)->this_hdr.sh_entsize =
4688 SPARC_ELF_WORD_BYTES (htab);
4690 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4691 htab_traverse (htab->loc_hash_table, finish_local_dynamic_symbol, info);
4697 /* Set the right machine number for a SPARC ELF file. */
4700 _bfd_sparc_elf_object_p (bfd *abfd)
4702 if (ABI_64_P (abfd))
4704 unsigned long mach = bfd_mach_sparc_v9;
4706 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4707 mach = bfd_mach_sparc_v9b;
4708 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4709 mach = bfd_mach_sparc_v9a;
4710 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
4714 if (elf_elfheader (abfd)->e_machine == EM_SPARC32PLUS)
4716 if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US3)
4717 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4718 bfd_mach_sparc_v8plusb);
4719 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_SUN_US1)
4720 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4721 bfd_mach_sparc_v8plusa);
4722 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_32PLUS)
4723 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4724 bfd_mach_sparc_v8plus);
4728 else if (elf_elfheader (abfd)->e_flags & EF_SPARC_LEDATA)
4729 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc,
4730 bfd_mach_sparc_sparclite_le);
4732 return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, bfd_mach_sparc);
4736 /* Return address for Ith PLT stub in section PLT, for relocation REL
4737 or (bfd_vma) -1 if it should not be included. */
4740 _bfd_sparc_elf_plt_sym_val (bfd_vma i, const asection *plt, const arelent *rel)
4742 if (ABI_64_P (plt->owner))
4746 i += PLT64_HEADER_SIZE / PLT64_ENTRY_SIZE;
4747 if (i < PLT64_LARGE_THRESHOLD)
4748 return plt->vma + i * PLT64_ENTRY_SIZE;
4750 j = (i - PLT64_LARGE_THRESHOLD) % 160;
4752 return plt->vma + i * PLT64_ENTRY_SIZE + j * 4 * 6;
4755 return rel->address;
4758 /* Merge backend specific data from an object file to the output
4759 object file when linking. */
4762 _bfd_sparc_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
4764 obj_attribute *in_attr, *in_attrs;
4765 obj_attribute *out_attr, *out_attrs;
4767 if (!elf_known_obj_attributes_proc (obfd)[0].i)
4769 /* This is the first object. Copy the attributes. */
4770 _bfd_elf_copy_obj_attributes (ibfd, obfd);
4772 /* Use the Tag_null value to indicate the attributes have been
4774 elf_known_obj_attributes_proc (obfd)[0].i = 1;
4779 in_attrs = elf_known_obj_attributes (ibfd)[OBJ_ATTR_GNU];
4780 out_attrs = elf_known_obj_attributes (obfd)[OBJ_ATTR_GNU];
4782 in_attr = &in_attrs[Tag_GNU_Sparc_HWCAPS];
4783 out_attr = &out_attrs[Tag_GNU_Sparc_HWCAPS];
4785 out_attr->i |= in_attr->i;
4787 /* Merge Tag_compatibility attributes and any common GNU ones. */
4788 _bfd_elf_merge_object_attributes (ibfd, obfd);