1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2020 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This file handles functionality common to the different SPARC ABI's. */
28 #include "libiberty.h"
30 #include "elf/sparc.h"
31 #include "opcode/sparc.h"
32 #include "elfxx-sparc.h"
33 #include "elf-vxworks.h"
37 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
38 #define MINUS_ONE (~ (bfd_vma) 0)
40 #define ABI_64_P(abfd) \
41 (get_elf_backend_data (abfd)->s->elfclass == ELFCLASS64)
43 /* The relocation "howto" table. */
45 /* Utility for performing the standard initial work of an instruction
47 *PRELOCATION will contain the relocated item.
48 *PINSN will contain the instruction from the input stream.
49 If the result is `bfd_reloc_other' the caller can continue with
50 performing the relocation. Otherwise it must stop and return the
51 value to its caller. */
53 static bfd_reloc_status_type
54 init_insn_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
55 void * data
, asection
*input_section
, bfd
*output_bfd
,
56 bfd_vma
*prelocation
, bfd_vma
*pinsn
)
59 reloc_howto_type
*howto
= reloc_entry
->howto
;
61 if (output_bfd
!= (bfd
*) NULL
62 && (symbol
->flags
& BSF_SECTION_SYM
) == 0
63 && (! howto
->partial_inplace
64 || reloc_entry
->addend
== 0))
66 reloc_entry
->address
+= input_section
->output_offset
;
70 /* This works because partial_inplace is FALSE. */
71 if (output_bfd
!= NULL
)
72 return bfd_reloc_continue
;
74 if (reloc_entry
->address
> bfd_get_section_limit (abfd
, input_section
))
75 return bfd_reloc_outofrange
;
77 relocation
= (symbol
->value
78 + symbol
->section
->output_section
->vma
79 + symbol
->section
->output_offset
);
80 relocation
+= reloc_entry
->addend
;
81 if (howto
->pc_relative
)
83 relocation
-= (input_section
->output_section
->vma
84 + input_section
->output_offset
);
85 relocation
-= reloc_entry
->address
;
88 *prelocation
= relocation
;
89 *pinsn
= bfd_get_32 (abfd
, (bfd_byte
*) data
+ reloc_entry
->address
);
90 return bfd_reloc_other
;
93 /* For unsupported relocs. */
95 static bfd_reloc_status_type
96 sparc_elf_notsup_reloc (bfd
*abfd ATTRIBUTE_UNUSED
,
97 arelent
*reloc_entry ATTRIBUTE_UNUSED
,
98 asymbol
*symbol ATTRIBUTE_UNUSED
,
99 void * data ATTRIBUTE_UNUSED
,
100 asection
*input_section ATTRIBUTE_UNUSED
,
101 bfd
*output_bfd ATTRIBUTE_UNUSED
,
102 char **error_message ATTRIBUTE_UNUSED
)
104 return bfd_reloc_notsupported
;
107 /* Handle the WDISP16 reloc. */
109 static bfd_reloc_status_type
110 sparc_elf_wdisp16_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
111 void * data
, asection
*input_section
, bfd
*output_bfd
,
112 char **error_message ATTRIBUTE_UNUSED
)
116 bfd_reloc_status_type status
;
118 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
119 input_section
, output_bfd
, &relocation
, &insn
);
120 if (status
!= bfd_reloc_other
)
123 insn
&= ~ (bfd_vma
) 0x303fff;
124 insn
|= (((relocation
>> 2) & 0xc000) << 6) | ((relocation
>> 2) & 0x3fff);
125 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
127 if ((bfd_signed_vma
) relocation
< - 0x40000
128 || (bfd_signed_vma
) relocation
> 0x3ffff)
129 return bfd_reloc_overflow
;
134 /* Handle the WDISP10 reloc. */
136 static bfd_reloc_status_type
137 sparc_elf_wdisp10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
138 void * data
, asection
*input_section
, bfd
*output_bfd
,
139 char **error_message ATTRIBUTE_UNUSED
)
143 bfd_reloc_status_type status
;
145 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
146 input_section
, output_bfd
, &relocation
, &insn
);
147 if (status
!= bfd_reloc_other
)
150 insn
&= ~ (bfd_vma
) 0x181fe0;
151 insn
|= (((relocation
>> 2) & 0x300) << 11)
152 | (((relocation
>> 2) & 0xff) << 5);
153 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
155 if ((bfd_signed_vma
) relocation
< - 0x1000
156 || (bfd_signed_vma
) relocation
> 0xfff)
157 return bfd_reloc_overflow
;
162 /* Handle the HIX22 reloc. */
164 static bfd_reloc_status_type
165 sparc_elf_hix22_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
166 void * data
, asection
*input_section
, bfd
*output_bfd
,
167 char **error_message ATTRIBUTE_UNUSED
)
171 bfd_reloc_status_type status
;
173 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
174 input_section
, output_bfd
, &relocation
, &insn
);
175 if (status
!= bfd_reloc_other
)
178 relocation
^= MINUS_ONE
;
179 insn
= (insn
&~ (bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
180 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
182 if ((relocation
& ~ (bfd_vma
) 0xffffffff) != 0)
183 return bfd_reloc_overflow
;
188 /* Handle the LOX10 reloc. */
190 static bfd_reloc_status_type
191 sparc_elf_lox10_reloc (bfd
*abfd
, arelent
*reloc_entry
, asymbol
*symbol
,
192 void * data
, asection
*input_section
, bfd
*output_bfd
,
193 char **error_message ATTRIBUTE_UNUSED
)
197 bfd_reloc_status_type status
;
199 status
= init_insn_reloc (abfd
, reloc_entry
, symbol
, data
,
200 input_section
, output_bfd
, &relocation
, &insn
);
201 if (status
!= bfd_reloc_other
)
204 insn
= (insn
&~ (bfd_vma
) 0x1fff) | 0x1c00 | (relocation
& 0x3ff);
205 bfd_put_32 (abfd
, insn
, (bfd_byte
*) data
+ reloc_entry
->address
);
210 static reloc_howto_type _bfd_sparc_elf_howto_table
[] =
212 HOWTO(R_SPARC_NONE
, 0,3, 0,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_NONE", FALSE
,0,0x00000000,TRUE
),
213 HOWTO(R_SPARC_8
, 0,0, 8,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_8", FALSE
,0,0x000000ff,TRUE
),
214 HOWTO(R_SPARC_16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_16", FALSE
,0,0x0000ffff,TRUE
),
215 HOWTO(R_SPARC_32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_32", FALSE
,0,0xffffffff,TRUE
),
216 HOWTO(R_SPARC_DISP8
, 0,0, 8,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP8", FALSE
,0,0x000000ff,TRUE
),
217 HOWTO(R_SPARC_DISP16
, 0,1,16,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP16", FALSE
,0,0x0000ffff,TRUE
),
218 HOWTO(R_SPARC_DISP32
, 0,2,32,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP32", FALSE
,0,0xffffffff,TRUE
),
219 HOWTO(R_SPARC_WDISP30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP30", FALSE
,0,0x3fffffff,TRUE
),
220 HOWTO(R_SPARC_WDISP22
, 2,2,22,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP22", FALSE
,0,0x003fffff,TRUE
),
221 HOWTO(R_SPARC_HI22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HI22", FALSE
,0,0x003fffff,TRUE
),
222 HOWTO(R_SPARC_22
, 0,2,22,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_22", FALSE
,0,0x003fffff,TRUE
),
223 HOWTO(R_SPARC_13
, 0,2,13,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_13", FALSE
,0,0x00001fff,TRUE
),
224 HOWTO(R_SPARC_LO10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LO10", FALSE
,0,0x000003ff,TRUE
),
225 HOWTO(R_SPARC_GOT10
, 0,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT10", FALSE
,0,0x000003ff,TRUE
),
226 HOWTO(R_SPARC_GOT13
, 0,2,13,FALSE
,0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_GOT13", FALSE
,0,0x00001fff,TRUE
),
227 HOWTO(R_SPARC_GOT22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_GOT22", FALSE
,0,0x003fffff,TRUE
),
228 HOWTO(R_SPARC_PC10
, 0,2,10,TRUE
, 0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_PC10", FALSE
,0,0x000003ff,TRUE
),
229 HOWTO(R_SPARC_PC22
, 10,2,22,TRUE
, 0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PC22", FALSE
,0,0x003fffff,TRUE
),
230 HOWTO(R_SPARC_WPLT30
, 2,2,30,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WPLT30", FALSE
,0,0x3fffffff,TRUE
),
231 HOWTO(R_SPARC_COPY
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_COPY", FALSE
,0,0x00000000,TRUE
),
232 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
),
233 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
),
234 HOWTO(R_SPARC_RELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_RELATIVE",FALSE
,0,0x00000000,TRUE
),
235 HOWTO(R_SPARC_UA32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA32", FALSE
,0,0xffffffff,TRUE
),
236 HOWTO(R_SPARC_PLT32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT32", FALSE
,0,0xffffffff,TRUE
),
237 HOWTO(R_SPARC_HIPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_HIPLT22", FALSE
,0,0x00000000,TRUE
),
238 HOWTO(R_SPARC_LOPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_LOPLT10", FALSE
,0,0x00000000,TRUE
),
239 HOWTO(R_SPARC_PCPLT32
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT32", FALSE
,0,0x00000000,TRUE
),
240 HOWTO(R_SPARC_PCPLT22
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT22", FALSE
,0,0x00000000,TRUE
),
241 HOWTO(R_SPARC_PCPLT10
, 0,0,00,FALSE
,0,complain_overflow_dont
, sparc_elf_notsup_reloc
, "R_SPARC_PCPLT10", FALSE
,0,0x00000000,TRUE
),
242 HOWTO(R_SPARC_10
, 0,2,10,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_10", FALSE
,0,0x000003ff,TRUE
),
243 HOWTO(R_SPARC_11
, 0,2,11,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_11", FALSE
,0,0x000007ff,TRUE
),
244 HOWTO(R_SPARC_64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_64", FALSE
,0,MINUS_ONE
, TRUE
),
245 HOWTO(R_SPARC_OLO10
, 0,2,13,FALSE
,0,complain_overflow_signed
, sparc_elf_notsup_reloc
, "R_SPARC_OLO10", FALSE
,0,0x00001fff,TRUE
),
246 HOWTO(R_SPARC_HH22
, 42,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_HH22", FALSE
,0,0x003fffff,TRUE
),
247 HOWTO(R_SPARC_HM10
, 32,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_HM10", FALSE
,0,0x000003ff,TRUE
),
248 HOWTO(R_SPARC_LM22
, 10,2,22,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_LM22", FALSE
,0,0x003fffff,TRUE
),
249 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
),
250 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
),
251 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
),
252 HOWTO(R_SPARC_WDISP16
, 2,2,16,TRUE
, 0,complain_overflow_signed
, sparc_elf_wdisp16_reloc
,"R_SPARC_WDISP16", FALSE
,0,0x00000000,TRUE
),
253 HOWTO(R_SPARC_WDISP19
, 2,2,19,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_WDISP19", FALSE
,0,0x0007ffff,TRUE
),
254 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
),
255 HOWTO(R_SPARC_7
, 0,2, 7,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_7", FALSE
,0,0x0000007f,TRUE
),
256 HOWTO(R_SPARC_5
, 0,2, 5,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_5", FALSE
,0,0x0000001f,TRUE
),
257 HOWTO(R_SPARC_6
, 0,2, 6,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_6", FALSE
,0,0x0000003f,TRUE
),
258 HOWTO(R_SPARC_DISP64
, 0,4,64,TRUE
, 0,complain_overflow_signed
, bfd_elf_generic_reloc
, "R_SPARC_DISP64", FALSE
,0,MINUS_ONE
, TRUE
),
259 HOWTO(R_SPARC_PLT64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_PLT64", FALSE
,0,MINUS_ONE
, TRUE
),
260 HOWTO(R_SPARC_HIX22
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_hix22_reloc
, "R_SPARC_HIX22", FALSE
,0,MINUS_ONE
, FALSE
),
261 HOWTO(R_SPARC_LOX10
, 0,4, 0,FALSE
,0,complain_overflow_dont
, sparc_elf_lox10_reloc
, "R_SPARC_LOX10", FALSE
,0,MINUS_ONE
, FALSE
),
262 HOWTO(R_SPARC_H44
, 22,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
, "R_SPARC_H44", FALSE
,0,0x003fffff,FALSE
),
263 HOWTO(R_SPARC_M44
, 12,2,10,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_M44", FALSE
,0,0x000003ff,FALSE
),
264 HOWTO(R_SPARC_L44
, 0,2,13,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_L44", FALSE
,0,0x00000fff,FALSE
),
265 HOWTO(R_SPARC_REGISTER
, 0,4, 0,FALSE
,0,complain_overflow_bitfield
,sparc_elf_notsup_reloc
, "R_SPARC_REGISTER",FALSE
,0,MINUS_ONE
, FALSE
),
266 HOWTO(R_SPARC_UA64
, 0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA64", FALSE
,0,MINUS_ONE
, TRUE
),
267 HOWTO(R_SPARC_UA16
, 0,1,16,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_UA16", FALSE
,0,0x0000ffff,TRUE
),
268 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
),
269 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
),
270 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
),
271 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
),
272 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
),
273 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
),
274 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
),
275 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
),
276 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
),
277 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
),
278 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
),
279 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
),
280 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
),
281 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
),
282 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
),
283 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
),
284 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
),
285 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
),
286 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
),
287 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
),
288 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
),
289 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
),
290 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
),
291 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
),
292 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
),
293 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
),
294 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
),
295 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
),
296 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
),
297 HOWTO(R_SPARC_H34
,12,2,22,FALSE
,0,complain_overflow_unsigned
,bfd_elf_generic_reloc
,"R_SPARC_H34",FALSE
,0,0x003fffff,FALSE
),
298 HOWTO(R_SPARC_SIZE32
,0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE32",FALSE
,0,0xffffffff,TRUE
),
299 HOWTO(R_SPARC_SIZE64
,0,4,64,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
,"R_SPARC_SIZE64",FALSE
,0,MINUS_ONE
, TRUE
),
300 HOWTO(R_SPARC_WDISP10
,2,2,10,TRUE
, 0,complain_overflow_signed
,sparc_elf_wdisp10_reloc
,"R_SPARC_WDISP10",FALSE
,0,0x00000000,TRUE
),
302 static reloc_howto_type sparc_jmp_irel_howto
=
303 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
);
304 static reloc_howto_type sparc_irelative_howto
=
305 HOWTO(R_SPARC_IRELATIVE
, 0,0,00,FALSE
,0,complain_overflow_dont
, bfd_elf_generic_reloc
, "R_SPARC_IRELATIVE",FALSE
,0,0x00000000,TRUE
);
306 static reloc_howto_type sparc_vtinherit_howto
=
307 HOWTO (R_SPARC_GNU_VTINHERIT
, 0,2,0,FALSE
,0,complain_overflow_dont
, NULL
, "R_SPARC_GNU_VTINHERIT", FALSE
,0, 0, FALSE
);
308 static reloc_howto_type sparc_vtentry_howto
=
309 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
);
310 static reloc_howto_type sparc_rev32_howto
=
311 HOWTO(R_SPARC_REV32
, 0,2,32,FALSE
,0,complain_overflow_bitfield
,bfd_elf_generic_reloc
, "R_SPARC_REV32", FALSE
,0,0xffffffff,TRUE
);
314 _bfd_sparc_elf_reloc_type_lookup (bfd
*abfd
,
315 bfd_reloc_code_real_type code
)
317 /* We explicitly handle each relocation type in the switch
318 instead of using a lookup table for efficiency. */
322 return &_bfd_sparc_elf_howto_table
[R_SPARC_NONE
];
325 return &_bfd_sparc_elf_howto_table
[R_SPARC_8
];
328 return &_bfd_sparc_elf_howto_table
[R_SPARC_16
];
331 return &_bfd_sparc_elf_howto_table
[R_SPARC_32
];
333 case BFD_RELOC_8_PCREL
:
334 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP8
];
336 case BFD_RELOC_16_PCREL
:
337 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP16
];
339 case BFD_RELOC_32_PCREL
:
340 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP32
];
342 case BFD_RELOC_32_PCREL_S2
:
343 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP30
];
345 case BFD_RELOC_SPARC_WDISP22
:
346 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP22
];
349 return &_bfd_sparc_elf_howto_table
[R_SPARC_HI22
];
351 case BFD_RELOC_SPARC22
:
352 return &_bfd_sparc_elf_howto_table
[R_SPARC_22
];
354 case BFD_RELOC_SPARC13
:
355 return &_bfd_sparc_elf_howto_table
[R_SPARC_13
];
358 return &_bfd_sparc_elf_howto_table
[R_SPARC_LO10
];
360 case BFD_RELOC_SPARC_GOT10
:
361 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT10
];
363 case BFD_RELOC_SPARC_GOT13
:
364 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT13
];
366 case BFD_RELOC_SPARC_GOT22
:
367 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOT22
];
369 case BFD_RELOC_SPARC_PC10
:
370 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC10
];
372 case BFD_RELOC_SPARC_PC22
:
373 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC22
];
375 case BFD_RELOC_SPARC_WPLT30
:
376 return &_bfd_sparc_elf_howto_table
[R_SPARC_WPLT30
];
378 case BFD_RELOC_SPARC_COPY
:
379 return &_bfd_sparc_elf_howto_table
[R_SPARC_COPY
];
381 case BFD_RELOC_SPARC_GLOB_DAT
:
382 return &_bfd_sparc_elf_howto_table
[R_SPARC_GLOB_DAT
];
384 case BFD_RELOC_SPARC_JMP_SLOT
:
385 return &_bfd_sparc_elf_howto_table
[R_SPARC_JMP_SLOT
];
387 case BFD_RELOC_SPARC_RELATIVE
:
388 return &_bfd_sparc_elf_howto_table
[R_SPARC_RELATIVE
];
390 case BFD_RELOC_SPARC_UA32
:
391 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA32
];
393 case BFD_RELOC_SPARC_PLT32
:
394 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT32
];
396 case BFD_RELOC_SPARC_10
:
397 return &_bfd_sparc_elf_howto_table
[R_SPARC_10
];
399 case BFD_RELOC_SPARC_11
:
400 return &_bfd_sparc_elf_howto_table
[R_SPARC_11
];
402 case BFD_RELOC_SPARC_64
:
403 return &_bfd_sparc_elf_howto_table
[R_SPARC_64
];
405 case BFD_RELOC_SPARC_OLO10
:
406 return &_bfd_sparc_elf_howto_table
[R_SPARC_OLO10
];
408 case BFD_RELOC_SPARC_HH22
:
409 return &_bfd_sparc_elf_howto_table
[R_SPARC_HH22
];
411 case BFD_RELOC_SPARC_HM10
:
412 return &_bfd_sparc_elf_howto_table
[R_SPARC_HM10
];
414 case BFD_RELOC_SPARC_LM22
:
415 return &_bfd_sparc_elf_howto_table
[R_SPARC_LM22
];
417 case BFD_RELOC_SPARC_PC_HH22
:
418 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HH22
];
420 case BFD_RELOC_SPARC_PC_HM10
:
421 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_HM10
];
423 case BFD_RELOC_SPARC_PC_LM22
:
424 return &_bfd_sparc_elf_howto_table
[R_SPARC_PC_LM22
];
426 case BFD_RELOC_SPARC_WDISP16
:
427 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP16
];
429 case BFD_RELOC_SPARC_WDISP19
:
430 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP19
];
432 case BFD_RELOC_SPARC_7
:
433 return &_bfd_sparc_elf_howto_table
[R_SPARC_7
];
435 case BFD_RELOC_SPARC_5
:
436 return &_bfd_sparc_elf_howto_table
[R_SPARC_5
];
438 case BFD_RELOC_SPARC_6
:
439 return &_bfd_sparc_elf_howto_table
[R_SPARC_6
];
441 case BFD_RELOC_SPARC_DISP64
:
442 return &_bfd_sparc_elf_howto_table
[R_SPARC_DISP64
];
444 case BFD_RELOC_SPARC_PLT64
:
445 return &_bfd_sparc_elf_howto_table
[R_SPARC_PLT64
];
447 case BFD_RELOC_SPARC_HIX22
:
448 return &_bfd_sparc_elf_howto_table
[R_SPARC_HIX22
];
450 case BFD_RELOC_SPARC_LOX10
:
451 return &_bfd_sparc_elf_howto_table
[R_SPARC_LOX10
];
453 case BFD_RELOC_SPARC_H44
:
454 return &_bfd_sparc_elf_howto_table
[R_SPARC_H44
];
456 case BFD_RELOC_SPARC_M44
:
457 return &_bfd_sparc_elf_howto_table
[R_SPARC_M44
];
459 case BFD_RELOC_SPARC_L44
:
460 return &_bfd_sparc_elf_howto_table
[R_SPARC_L44
];
462 case BFD_RELOC_SPARC_REGISTER
:
463 return &_bfd_sparc_elf_howto_table
[R_SPARC_REGISTER
];
465 case BFD_RELOC_SPARC_UA64
:
466 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA64
];
468 case BFD_RELOC_SPARC_UA16
:
469 return &_bfd_sparc_elf_howto_table
[R_SPARC_UA16
];
471 case BFD_RELOC_SPARC_TLS_GD_HI22
:
472 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_HI22
];
474 case BFD_RELOC_SPARC_TLS_GD_LO10
:
475 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_LO10
];
477 case BFD_RELOC_SPARC_TLS_GD_ADD
:
478 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_ADD
];
480 case BFD_RELOC_SPARC_TLS_GD_CALL
:
481 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_GD_CALL
];
483 case BFD_RELOC_SPARC_TLS_LDM_HI22
:
484 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_HI22
];
486 case BFD_RELOC_SPARC_TLS_LDM_LO10
:
487 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_LO10
];
489 case BFD_RELOC_SPARC_TLS_LDM_ADD
:
490 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_ADD
];
492 case BFD_RELOC_SPARC_TLS_LDM_CALL
:
493 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDM_CALL
];
495 case BFD_RELOC_SPARC_TLS_LDO_HIX22
:
496 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_HIX22
];
498 case BFD_RELOC_SPARC_TLS_LDO_LOX10
:
499 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_LOX10
];
501 case BFD_RELOC_SPARC_TLS_LDO_ADD
:
502 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LDO_ADD
];
504 case BFD_RELOC_SPARC_TLS_IE_HI22
:
505 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_HI22
];
507 case BFD_RELOC_SPARC_TLS_IE_LO10
:
508 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LO10
];
510 case BFD_RELOC_SPARC_TLS_IE_LD
:
511 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LD
];
513 case BFD_RELOC_SPARC_TLS_IE_LDX
:
514 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_LDX
];
516 case BFD_RELOC_SPARC_TLS_IE_ADD
:
517 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_IE_ADD
];
519 case BFD_RELOC_SPARC_TLS_LE_HIX22
:
520 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_HIX22
];
522 case BFD_RELOC_SPARC_TLS_LE_LOX10
:
523 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_LE_LOX10
];
525 case BFD_RELOC_SPARC_TLS_DTPMOD32
:
526 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD32
];
528 case BFD_RELOC_SPARC_TLS_DTPMOD64
:
529 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPMOD64
];
531 case BFD_RELOC_SPARC_TLS_DTPOFF32
:
532 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF32
];
534 case BFD_RELOC_SPARC_TLS_DTPOFF64
:
535 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_DTPOFF64
];
537 case BFD_RELOC_SPARC_TLS_TPOFF32
:
538 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF32
];
540 case BFD_RELOC_SPARC_TLS_TPOFF64
:
541 return &_bfd_sparc_elf_howto_table
[R_SPARC_TLS_TPOFF64
];
543 case BFD_RELOC_SPARC_GOTDATA_HIX22
:
544 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_HIX22
];
546 case BFD_RELOC_SPARC_GOTDATA_LOX10
:
547 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_LOX10
];
549 case BFD_RELOC_SPARC_GOTDATA_OP_HIX22
:
550 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_HIX22
];
552 case BFD_RELOC_SPARC_GOTDATA_OP_LOX10
:
553 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP_LOX10
];
555 case BFD_RELOC_SPARC_GOTDATA_OP
:
556 return &_bfd_sparc_elf_howto_table
[R_SPARC_GOTDATA_OP
];
558 case BFD_RELOC_SPARC_H34
:
559 return &_bfd_sparc_elf_howto_table
[R_SPARC_H34
];
561 case BFD_RELOC_SPARC_SIZE32
:
562 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE32
];
564 case BFD_RELOC_SPARC_SIZE64
:
565 return &_bfd_sparc_elf_howto_table
[R_SPARC_SIZE64
];
567 case BFD_RELOC_SPARC_WDISP10
:
568 return &_bfd_sparc_elf_howto_table
[R_SPARC_WDISP10
];
570 case BFD_RELOC_SPARC_JMP_IREL
:
571 return &sparc_jmp_irel_howto
;
573 case BFD_RELOC_SPARC_IRELATIVE
:
574 return &sparc_irelative_howto
;
576 case BFD_RELOC_VTABLE_INHERIT
:
577 return &sparc_vtinherit_howto
;
579 case BFD_RELOC_VTABLE_ENTRY
:
580 return &sparc_vtentry_howto
;
582 case BFD_RELOC_SPARC_REV32
:
583 return &sparc_rev32_howto
;
588 /* xgettext:c-format */
589 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd
, (int) code
);
590 bfd_set_error (bfd_error_bad_value
);
595 _bfd_sparc_elf_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
600 for (i
= 0; i
< ARRAY_SIZE (_bfd_sparc_elf_howto_table
); i
++)
601 if (_bfd_sparc_elf_howto_table
[i
].name
!= NULL
602 && strcasecmp (_bfd_sparc_elf_howto_table
[i
].name
, r_name
) == 0)
603 return &_bfd_sparc_elf_howto_table
[i
];
605 if (strcasecmp (sparc_vtinherit_howto
.name
, r_name
) == 0)
606 return &sparc_vtinherit_howto
;
607 if (strcasecmp (sparc_vtentry_howto
.name
, r_name
) == 0)
608 return &sparc_vtentry_howto
;
609 if (strcasecmp (sparc_rev32_howto
.name
, r_name
) == 0)
610 return &sparc_rev32_howto
;
616 _bfd_sparc_elf_info_to_howto_ptr (bfd
*abfd ATTRIBUTE_UNUSED
,
621 case R_SPARC_JMP_IREL
:
622 return &sparc_jmp_irel_howto
;
624 case R_SPARC_IRELATIVE
:
625 return &sparc_irelative_howto
;
627 case R_SPARC_GNU_VTINHERIT
:
628 return &sparc_vtinherit_howto
;
630 case R_SPARC_GNU_VTENTRY
:
631 return &sparc_vtentry_howto
;
634 return &sparc_rev32_howto
;
637 if (r_type
>= (unsigned int) R_SPARC_max_std
)
639 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
641 bfd_set_error (bfd_error_bad_value
);
644 return &_bfd_sparc_elf_howto_table
[r_type
];
648 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
649 so just take advantage of that. */
650 #define SPARC_ELF_R_TYPE(r_info) \
654 _bfd_sparc_elf_info_to_howto (bfd
*abfd
, arelent
*cache_ptr
,
655 Elf_Internal_Rela
*dst
)
657 unsigned int r_type
= SPARC_ELF_R_TYPE (dst
->r_info
);
659 if ((cache_ptr
->howto
= _bfd_sparc_elf_info_to_howto_ptr (abfd
, r_type
)) == NULL
)
661 bfd_set_error (bfd_error_bad_value
);
668 /* The nop opcode we use. */
669 #define SPARC_NOP 0x01000000
671 #define SPARC_INSN_BYTES 4
673 /* Is an undefined weak symbol resolved to 0 ?
674 Reference to an undefined weak symbol is resolved to 0 when
675 building an executable if it isn't dynamic and
676 1. Has non-GOT/non-PLT relocations in text section.
678 2. Has no GOT/PLT relocation. */
679 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
680 ((EH)->elf.root.type == bfd_link_hash_undefweak \
681 && bfd_link_executable (INFO) \
682 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
683 || !(INFO)->dynamic_undefined_weak \
684 || (EH)->has_non_got_reloc \
685 || !(EH)->has_got_reloc))
687 /* SPARC ELF linker hash entry. */
689 struct _bfd_sparc_elf_link_hash_entry
691 struct elf_link_hash_entry elf
;
693 #define GOT_UNKNOWN 0
697 unsigned char tls_type
;
699 /* Symbol has GOT or PLT relocations. */
700 unsigned int has_got_reloc
: 1;
702 /* Symbol has old-style, non-relaxable GOT relocations. */
703 unsigned int has_old_style_got_reloc
: 1;
705 /* Symbol has non-GOT/non-PLT relocations in text sections. */
706 unsigned int has_non_got_reloc
: 1;
710 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
712 struct _bfd_sparc_elf_obj_tdata
714 struct elf_obj_tdata root
;
716 /* tls_type for each local got entry. */
717 char *local_got_tls_type
;
719 /* TRUE if TLS GD relocs has been seen for this object. */
720 bfd_boolean has_tlsgd
;
723 #define _bfd_sparc_elf_tdata(abfd) \
724 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
726 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
727 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
729 #define is_sparc_elf(bfd) \
730 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
731 && elf_tdata (bfd) != NULL \
732 && elf_object_id (bfd) == SPARC_ELF_DATA)
735 _bfd_sparc_elf_mkobject (bfd
*abfd
)
737 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
742 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
744 bfd_put_32 (abfd
, val
, ptr
);
748 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
750 bfd_put_64 (abfd
, val
, ptr
);
754 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
756 const struct elf_backend_data
*bed
;
759 bed
= get_elf_backend_data (abfd
);
760 BFD_ASSERT (s
->reloc_count
* bed
->s
->sizeof_rela
< s
->size
);
761 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
762 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
766 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
767 bfd_vma rel_index ATTRIBUTE_UNUSED
,
768 bfd_vma type ATTRIBUTE_UNUSED
)
770 return ELF64_R_INFO (rel_index
,
772 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
777 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
778 bfd_vma rel_index
, bfd_vma type
)
780 return ELF32_R_INFO (rel_index
, type
);
784 sparc_elf_r_symndx_64 (bfd_vma r_info
)
786 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
787 return (r_symndx
>> 24);
791 sparc_elf_r_symndx_32 (bfd_vma r_info
)
793 return ELF32_R_SYM (r_info
);
798 #define PLT32_ENTRY_SIZE 12
799 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
801 /* The first four entries in a 32-bit procedure linkage table are reserved,
802 and the initial contents are unimportant (we zero them out).
803 Subsequent entries look like this. See the SVR4 ABI SPARC
804 supplement to see how this works. */
806 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
807 #define PLT32_ENTRY_WORD0 0x03000000
808 /* b,a .plt0. We fill in the offset later. */
809 #define PLT32_ENTRY_WORD1 0x30800000
811 #define PLT32_ENTRY_WORD2 SPARC_NOP
814 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
815 bfd_vma max ATTRIBUTE_UNUSED
,
818 bfd_put_32 (output_bfd
,
819 PLT32_ENTRY_WORD0
+ offset
,
820 splt
->contents
+ offset
);
821 bfd_put_32 (output_bfd
,
823 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
824 splt
->contents
+ offset
+ 4);
825 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
826 splt
->contents
+ offset
+ 8);
830 return offset
/ PLT32_ENTRY_SIZE
- 4;
833 /* Both the headers and the entries are icache aligned. */
834 #define PLT64_ENTRY_SIZE 32
835 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
836 #define PLT64_LARGE_THRESHOLD 32768
839 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
840 bfd_vma max
, bfd_vma
*r_offset
)
842 unsigned char *entry
= splt
->contents
+ offset
;
843 const unsigned int nop
= SPARC_NOP
;
846 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
848 unsigned int sethi
, ba
;
852 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
854 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
856 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
858 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
859 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
860 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
861 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
862 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
863 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
864 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
865 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
871 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
872 const int insn_chunk_size
= (6 * 4);
873 const int ptr_chunk_size
= (1 * 8);
874 const int entries_per_block
= 160;
875 const int block_size
= entries_per_block
* (insn_chunk_size
878 /* Entries 32768 and higher are grouped into blocks of 160.
879 The blocks are further subdivided into 160 sequences of
880 6 instructions and 160 pointers. If a block does not require
881 the full 160 entries, let's say it requires N, then there
882 will be N sequences of 6 instructions and N pointers. */
884 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
885 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
887 block
= offset
/ block_size
;
888 last_block
= max
/ block_size
;
889 if (block
!= last_block
)
891 chunks_this_block
= 160;
895 last_ofs
= max
% block_size
;
896 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
899 ofs
= offset
% block_size
;
901 plt_index
= (PLT64_LARGE_THRESHOLD
+
903 (ofs
/ insn_chunk_size
));
906 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
907 + (block
* block_size
)
908 + (chunks_this_block
* insn_chunk_size
)
909 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
911 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
913 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
921 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
922 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
923 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
924 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
925 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
926 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
928 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
931 return plt_index
- 4;
934 /* The format of the first PLT entry in a VxWorks executable. */
935 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
937 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
938 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
939 0xc4008000, /* ld [ %g2 ], %g2 */
940 0x81c08000, /* jmp %g2 */
944 /* The format of subsequent PLT entries. */
945 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
947 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
948 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
949 0xc2004000, /* ld [ %g1 ], %g1 */
950 0x81c04000, /* jmp %g1 */
951 0x01000000, /* nop */
952 0x03000000, /* sethi %hi(f@pltindex), %g1 */
953 0x10800000, /* b _PLT_resolve */
954 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
957 /* The format of the first PLT entry in a VxWorks shared object. */
958 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
960 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
961 0x81c08000, /* jmp %g2 */
965 /* The format of subsequent PLT entries. */
966 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
968 0x03000000, /* sethi %hi(f@got), %g1 */
969 0x82106000, /* or %g1, %lo(f@got), %g1 */
970 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
971 0x81c04000, /* jmp %g1 */
972 0x01000000, /* nop */
973 0x03000000, /* sethi %hi(f@pltindex), %g1 */
974 0x10800000, /* b _PLT_resolve */
975 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
978 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
979 htab->put_word(bfd, val, ptr)
981 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
982 htab->r_info(in_rel, index, type)
984 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
985 htab->r_symndx(r_info)
987 #define SPARC_ELF_WORD_BYTES(htab) \
990 #define SPARC_ELF_RELA_BYTES(htab) \
993 #define SPARC_ELF_DTPOFF_RELOC(htab) \
996 #define SPARC_ELF_DTPMOD_RELOC(htab) \
999 #define SPARC_ELF_TPOFF_RELOC(htab) \
1002 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1003 htab->build_plt_entry (obfd, splt, off, max, r_off)
1005 /* Create an entry in an SPARC ELF linker hash table. */
1007 static struct bfd_hash_entry
*
1008 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1009 struct bfd_hash_table
*table
, const char *string
)
1011 /* Allocate the structure if it has not already been allocated by a
1015 entry
= bfd_hash_allocate (table
,
1016 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1021 /* Call the allocation method of the superclass. */
1022 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1025 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1027 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1028 eh
->tls_type
= GOT_UNKNOWN
;
1029 eh
->has_got_reloc
= 0;
1030 eh
->has_non_got_reloc
= 0;
1036 /* The name of the dynamic interpreter. This is put in the .interp
1039 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1040 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1042 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1043 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1044 as global symbol. We reuse indx and dynstr_index for local symbol
1045 hash since they aren't used by global symbols in this backend. */
1048 elf_sparc_local_htab_hash (const void *ptr
)
1050 struct elf_link_hash_entry
*h
1051 = (struct elf_link_hash_entry
*) ptr
;
1052 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1055 /* Compare local hash entries. */
1058 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1060 struct elf_link_hash_entry
*h1
1061 = (struct elf_link_hash_entry
*) ptr1
;
1062 struct elf_link_hash_entry
*h2
1063 = (struct elf_link_hash_entry
*) ptr2
;
1065 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1068 /* Find and/or create a hash entry for local symbol. */
1070 static struct elf_link_hash_entry
*
1071 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1072 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1075 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1076 asection
*sec
= abfd
->sections
;
1077 unsigned long r_symndx
;
1081 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1082 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1084 e
.elf
.indx
= sec
->id
;
1085 e
.elf
.dynstr_index
= r_symndx
;
1086 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1087 create
? INSERT
: NO_INSERT
);
1094 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1098 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1099 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1100 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1103 memset (ret
, 0, sizeof (*ret
));
1104 ret
->elf
.indx
= sec
->id
;
1105 ret
->elf
.dynstr_index
= r_symndx
;
1106 ret
->elf
.dynindx
= -1;
1107 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1108 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1114 /* Destroy a SPARC ELF linker hash table. */
1117 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1119 struct _bfd_sparc_elf_link_hash_table
*htab
1120 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1122 if (htab
->loc_hash_table
)
1123 htab_delete (htab
->loc_hash_table
);
1124 if (htab
->loc_hash_memory
)
1125 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1126 _bfd_elf_link_hash_table_free (obfd
);
1129 /* Create a SPARC ELF linker hash table. */
1131 struct bfd_link_hash_table
*
1132 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1134 struct _bfd_sparc_elf_link_hash_table
*ret
;
1135 size_t amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1137 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1141 if (ABI_64_P (abfd
))
1143 ret
->put_word
= sparc_put_word_64
;
1144 ret
->r_info
= sparc_elf_r_info_64
;
1145 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1146 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1147 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1148 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1149 ret
->word_align_power
= 3;
1150 ret
->align_power_max
= 4;
1151 ret
->bytes_per_word
= 8;
1152 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1153 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1154 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1156 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1157 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1158 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1162 ret
->put_word
= sparc_put_word_32
;
1163 ret
->r_info
= sparc_elf_r_info_32
;
1164 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1165 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1166 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1167 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1168 ret
->word_align_power
= 2;
1169 ret
->align_power_max
= 3;
1170 ret
->bytes_per_word
= 4;
1171 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1172 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1173 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1175 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1176 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1177 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1180 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1181 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1188 ret
->loc_hash_table
= htab_try_create (1024,
1189 elf_sparc_local_htab_hash
,
1190 elf_sparc_local_htab_eq
,
1192 ret
->loc_hash_memory
= objalloc_create ();
1193 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1195 _bfd_sparc_elf_link_hash_table_free (abfd
);
1198 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1200 return &ret
->elf
.root
;
1203 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1204 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1208 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1209 struct bfd_link_info
*info
)
1211 struct _bfd_sparc_elf_link_hash_table
*htab
;
1213 htab
= _bfd_sparc_elf_hash_table (info
);
1214 BFD_ASSERT (htab
!= NULL
);
1216 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1219 if (htab
->elf
.target_os
== is_vxworks
)
1221 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1223 if (bfd_link_pic (info
))
1225 htab
->plt_header_size
1226 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1227 htab
->plt_entry_size
1228 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1232 htab
->plt_header_size
1233 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1234 htab
->plt_entry_size
1235 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1239 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1240 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1247 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1249 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1250 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1251 flagword flags
, pltflags
;
1254 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1257 flags
= bed
->dynamic_sec_flags
;
1258 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1260 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1262 || !bfd_set_section_alignment (s
, bed
->plt_alignment
))
1266 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1267 flags
| SEC_READONLY
);
1269 || !bfd_set_section_alignment (s
, bed
->s
->log_file_align
))
1276 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1279 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1280 struct elf_link_hash_entry
*dir
,
1281 struct elf_link_hash_entry
*ind
)
1283 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1285 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1286 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1288 if (ind
->root
.type
== bfd_link_hash_indirect
&& dir
->got
.refcount
<= 0)
1290 edir
->tls_type
= eind
->tls_type
;
1291 eind
->tls_type
= GOT_UNKNOWN
;
1294 /* Copy has_got_reloc and has_non_got_reloc. */
1295 edir
->has_got_reloc
|= eind
->has_got_reloc
;
1296 edir
->has_non_got_reloc
|= eind
->has_non_got_reloc
;
1298 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1302 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1303 int r_type
, int is_local
)
1305 if (! ABI_64_P (abfd
)
1306 && r_type
== R_SPARC_TLS_GD_HI22
1307 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1308 return R_SPARC_REV32
;
1310 if (!bfd_link_executable (info
))
1315 case R_SPARC_TLS_GD_HI22
:
1316 return is_local
? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_IE_HI22
;
1317 case R_SPARC_TLS_GD_LO10
:
1318 return is_local
? R_SPARC_TLS_LE_LOX10
: R_SPARC_TLS_IE_LO10
;
1319 case R_SPARC_TLS_LDM_HI22
:
1320 return R_SPARC_TLS_LE_HIX22
;
1321 case R_SPARC_TLS_LDM_LO10
:
1322 return R_SPARC_TLS_LE_LOX10
;
1323 case R_SPARC_TLS_IE_HI22
:
1324 return is_local
? R_SPARC_TLS_LE_HIX22
: r_type
;
1325 case R_SPARC_TLS_IE_LO10
:
1326 return is_local
? R_SPARC_TLS_LE_LOX10
: r_type
;
1332 /* Look through the relocs for a section during the first phase, and
1333 allocate space in the global offset table or procedure linkage
1337 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1338 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1340 struct _bfd_sparc_elf_link_hash_table
*htab
;
1341 Elf_Internal_Shdr
*symtab_hdr
;
1342 struct elf_link_hash_entry
**sym_hashes
;
1343 const Elf_Internal_Rela
*rel
;
1344 const Elf_Internal_Rela
*rel_end
;
1347 bfd_boolean checked_tlsgd
= FALSE
;
1349 if (bfd_link_relocatable (info
))
1352 htab
= _bfd_sparc_elf_hash_table (info
);
1353 BFD_ASSERT (htab
!= NULL
);
1354 symtab_hdr
= &elf_symtab_hdr (abfd
);
1355 sym_hashes
= elf_sym_hashes (abfd
);
1359 if (ABI_64_P (abfd
))
1360 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1362 num_relocs
= sec
->reloc_count
;
1364 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1366 if (htab
->elf
.dynobj
== NULL
)
1367 htab
->elf
.dynobj
= abfd
;
1368 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1371 rel_end
= relocs
+ num_relocs
;
1372 for (rel
= relocs
; rel
< rel_end
; rel
++)
1374 unsigned int r_type
;
1375 unsigned int r_symndx
;
1376 struct elf_link_hash_entry
*h
;
1377 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1378 Elf_Internal_Sym
*isym
;
1380 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1381 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1383 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1385 /* xgettext:c-format */
1386 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd
, r_symndx
);
1391 if (r_symndx
< symtab_hdr
->sh_info
)
1393 /* A local symbol. */
1394 isym
= bfd_sym_from_r_symndx (&htab
->elf
.sym_cache
, abfd
,
1399 /* Check relocation against local STT_GNU_IFUNC symbol. */
1400 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1402 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
, TRUE
);
1406 /* Fake a STT_GNU_IFUNC symbol. */
1407 h
->type
= STT_GNU_IFUNC
;
1410 h
->forced_local
= 1;
1411 h
->root
.type
= bfd_link_hash_defined
;
1418 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1419 while (h
->root
.type
== bfd_link_hash_indirect
1420 || h
->root
.type
== bfd_link_hash_warning
)
1421 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1424 if (h
&& h
->type
== STT_GNU_IFUNC
&& h
->def_regular
)
1427 h
->plt
.refcount
+= 1;
1430 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1431 with R_SPARC_TLS_GD_HI22. */
1432 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1435 case R_SPARC_TLS_GD_HI22
:
1437 const Elf_Internal_Rela
*relt
;
1439 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1440 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1441 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1442 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1444 checked_tlsgd
= TRUE
;
1445 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1448 case R_SPARC_TLS_GD_LO10
:
1449 case R_SPARC_TLS_GD_ADD
:
1450 case R_SPARC_TLS_GD_CALL
:
1451 checked_tlsgd
= TRUE
;
1452 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1456 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1457 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1461 case R_SPARC_TLS_LDM_HI22
:
1462 case R_SPARC_TLS_LDM_LO10
:
1463 htab
->tls_ldm_got
.refcount
+= 1;
1465 eh
->has_got_reloc
= 1;
1468 case R_SPARC_TLS_LE_HIX22
:
1469 case R_SPARC_TLS_LE_LOX10
:
1470 if (!bfd_link_executable (info
))
1474 case R_SPARC_TLS_IE_HI22
:
1475 case R_SPARC_TLS_IE_LO10
:
1476 if (!bfd_link_executable (info
))
1477 info
->flags
|= DF_STATIC_TLS
;
1483 case R_SPARC_GOTDATA_HIX22
:
1484 case R_SPARC_GOTDATA_LOX10
:
1485 case R_SPARC_GOTDATA_OP_HIX22
:
1486 case R_SPARC_GOTDATA_OP_LOX10
:
1487 case R_SPARC_TLS_GD_HI22
:
1488 case R_SPARC_TLS_GD_LO10
:
1489 /* This symbol requires a global offset table entry. */
1491 int tls_type
, old_tls_type
;
1495 case R_SPARC_TLS_GD_HI22
:
1496 case R_SPARC_TLS_GD_LO10
:
1497 tls_type
= GOT_TLS_GD
;
1499 case R_SPARC_TLS_IE_HI22
:
1500 case R_SPARC_TLS_IE_LO10
:
1501 tls_type
= GOT_TLS_IE
;
1504 tls_type
= GOT_NORMAL
;
1510 h
->got
.refcount
+= 1;
1511 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1515 bfd_signed_vma
*local_got_refcounts
;
1517 /* This is a global offset table entry for a local symbol. */
1518 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1519 if (local_got_refcounts
== NULL
)
1523 size
= symtab_hdr
->sh_info
;
1524 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1525 local_got_refcounts
= ((bfd_signed_vma
*)
1526 bfd_zalloc (abfd
, size
));
1527 if (local_got_refcounts
== NULL
)
1529 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1530 _bfd_sparc_elf_local_got_tls_type (abfd
)
1531 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1534 if (r_type
!= R_SPARC_GOTDATA_OP_HIX22
1535 && r_type
!= R_SPARC_GOTDATA_OP_LOX10
)
1536 local_got_refcounts
[r_symndx
] += 1;
1539 = _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1542 /* If a TLS symbol is accessed using IE at least once, there is no
1543 point in using the dynamic model for it. */
1544 if (old_tls_type
!= tls_type
)
1546 if (old_tls_type
== GOT_UNKNOWN
)
1548 else if (old_tls_type
== GOT_TLS_GD
&& tls_type
== GOT_TLS_IE
)
1550 else if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1551 tls_type
= old_tls_type
;
1555 /* xgettext:c-format */
1556 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1557 abfd
, h
? h
->root
.root
.string
: "<local>");
1562 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1564 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1569 && !_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1574 eh
->has_got_reloc
= 1;
1575 if (r_type
== R_SPARC_GOT10
1576 || r_type
== R_SPARC_GOT13
1577 || r_type
== R_SPARC_GOT22
)
1578 eh
->has_old_style_got_reloc
= 1;
1582 case R_SPARC_TLS_GD_CALL
:
1583 case R_SPARC_TLS_LDM_CALL
:
1584 if (bfd_link_executable (info
))
1587 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1588 h
= (struct elf_link_hash_entry
*)
1589 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
1591 BFD_ASSERT (h
!= NULL
);
1594 case R_SPARC_WPLT30
:
1597 case R_SPARC_HIPLT22
:
1598 case R_SPARC_LOPLT10
:
1599 case R_SPARC_PCPLT32
:
1600 case R_SPARC_PCPLT22
:
1601 case R_SPARC_PCPLT10
:
1602 /* This symbol requires a procedure linkage table entry.
1603 We actually build the entry in adjust_dynamic_symbol,
1604 because this might be a case of linking PIC code without
1605 linking in any dynamic objects, in which case we don't
1606 need to generate a procedure linkage table after all. */
1610 if (! ABI_64_P (abfd
))
1612 /* The Solaris native assembler will generate a WPLT30
1613 reloc for a local symbol if you assemble a call from
1614 one section to another when using -K pic. We treat
1616 if (r_type
== R_SPARC_PLT32
)
1620 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1621 else if (r_type
== R_SPARC_WPLT30
)
1624 /* It does not make sense to have a procedure linkage
1625 table entry for a local symbol. */
1626 bfd_set_error (bfd_error_bad_value
);
1632 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
1635 h
->plt
.refcount
+= 1;
1637 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1638 eh
->has_got_reloc
= 1;
1643 case R_SPARC_PC_HH22
:
1644 case R_SPARC_PC_HM10
:
1645 case R_SPARC_PC_LM22
:
1650 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1655 case R_SPARC_DISP16
:
1656 case R_SPARC_DISP32
:
1657 case R_SPARC_DISP64
:
1658 case R_SPARC_WDISP30
:
1659 case R_SPARC_WDISP22
:
1660 case R_SPARC_WDISP19
:
1661 case R_SPARC_WDISP16
:
1662 case R_SPARC_WDISP10
:
1692 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1693 eh
->has_non_got_reloc
= 1;
1696 if (h
!= NULL
&& !bfd_link_pic (info
))
1698 /* We may need a .plt entry if the function this reloc
1699 refers to is in a shared lib. */
1700 h
->plt
.refcount
+= 1;
1703 /* If we are creating a shared library, and this is a reloc
1704 against a global symbol, or a non PC relative reloc
1705 against a local symbol, then we need to copy the reloc
1706 into the shared library. However, if we are linking with
1707 -Bsymbolic, we do not need to copy a reloc against a
1708 global symbol which is defined in an object we are
1709 including in the link (i.e., DEF_REGULAR is set). At
1710 this point we have not seen all the input files, so it is
1711 possible that DEF_REGULAR is not set now but will be set
1712 later (it is never cleared). In case of a weak definition,
1713 DEF_REGULAR may be cleared later by a strong definition in
1714 a shared library. We account for that possibility below by
1715 storing information in the relocs_copied field of the hash
1716 table entry. A similar situation occurs when creating
1717 shared libraries and symbol visibility changes render the
1720 If on the other hand, we are creating an executable, we
1721 may need to keep relocations for symbols satisfied by a
1722 dynamic library if we manage to avoid copy relocs for the
1724 if ((bfd_link_pic (info
)
1725 && (sec
->flags
& SEC_ALLOC
) != 0
1726 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1728 && (! SYMBOLIC_BIND (info
, h
)
1729 || h
->root
.type
== bfd_link_hash_defweak
1730 || !h
->def_regular
))))
1731 || (!bfd_link_pic (info
)
1732 && (sec
->flags
& SEC_ALLOC
) != 0
1734 && (h
->root
.type
== bfd_link_hash_defweak
1735 || !h
->def_regular
))
1736 || (!bfd_link_pic (info
)
1738 && h
->type
== STT_GNU_IFUNC
))
1740 struct elf_dyn_relocs
*p
;
1741 struct elf_dyn_relocs
**head
;
1743 /* When creating a shared object, we must copy these
1744 relocs into the output file. We create a reloc
1745 section in dynobj and make room for the reloc. */
1748 sreloc
= _bfd_elf_make_dynamic_reloc_section
1749 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1750 abfd
, /*rela?*/ TRUE
);
1756 /* If this is a global symbol, we count the number of
1757 relocations we need for this symbol. */
1759 head
= &h
->dyn_relocs
;
1762 /* Track dynamic relocs needed for local syms too.
1763 We really need local syms available to do this
1768 BFD_ASSERT (isym
!= NULL
);
1769 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1773 vpp
= &elf_section_data (s
)->local_dynrel
;
1774 head
= (struct elf_dyn_relocs
**) vpp
;
1778 if (p
== NULL
|| p
->sec
!= sec
)
1780 size_t amt
= sizeof *p
;
1781 p
= ((struct elf_dyn_relocs
*)
1782 bfd_alloc (htab
->elf
.dynobj
, amt
));
1793 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1799 case R_SPARC_GNU_VTINHERIT
:
1800 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1804 case R_SPARC_GNU_VTENTRY
:
1805 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1809 case R_SPARC_REGISTER
:
1810 /* Nothing to do. */
1822 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1823 struct bfd_link_info
*info
,
1824 Elf_Internal_Rela
*rel
,
1825 struct elf_link_hash_entry
*h
,
1826 Elf_Internal_Sym
*sym
)
1829 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1831 case R_SPARC_GNU_VTINHERIT
:
1832 case R_SPARC_GNU_VTENTRY
:
1836 if (!bfd_link_executable (info
))
1838 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1840 case R_SPARC_TLS_GD_CALL
:
1841 case R_SPARC_TLS_LDM_CALL
:
1842 /* This reloc implicitly references __tls_get_addr. We know
1843 another reloc will reference the same symbol as the one
1844 on this reloc, so the real symbol and section will be
1845 gc marked when processing the other reloc. That lets
1846 us handle __tls_get_addr here. */
1847 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1848 FALSE
, FALSE
, TRUE
);
1849 BFD_ASSERT (h
!= NULL
);
1851 if (h
->is_weakalias
)
1852 weakdef (h
)->mark
= 1;
1857 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1860 static Elf_Internal_Rela
*
1861 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1862 Elf_Internal_Rela
*relend
,
1865 while (rel
< relend
)
1867 if (rel
->r_offset
== offset
)
1874 /* Remove undefined weak symbol from the dynamic symbol table if it
1875 is resolved to 0. */
1878 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1879 struct elf_link_hash_entry
*h
)
1881 if (h
->dynindx
!= -1
1882 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1883 _bfd_sparc_elf_hash_entry (h
)))
1886 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1892 /* Adjust a symbol defined by a dynamic object and referenced by a
1893 regular object. The current definition is in some section of the
1894 dynamic object, but we're not including those sections. We have to
1895 change the definition to something the rest of the link can
1899 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1900 struct elf_link_hash_entry
*h
)
1902 struct _bfd_sparc_elf_link_hash_table
*htab
;
1905 htab
= _bfd_sparc_elf_hash_table (info
);
1906 BFD_ASSERT (htab
!= NULL
);
1908 /* Make sure we know what is going on here. */
1909 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
1911 || h
->type
== STT_GNU_IFUNC
1915 && !h
->def_regular
)));
1917 /* If this is a function, put it in the procedure linkage table. We
1918 will fill in the contents of the procedure linkage table later
1919 (although we could actually do it here). The STT_NOTYPE
1920 condition is a hack specifically for the Oracle libraries
1921 delivered for Solaris; for some inexplicable reason, they define
1922 some of their functions as STT_NOTYPE when they really should be
1924 if (h
->type
== STT_FUNC
1925 || h
->type
== STT_GNU_IFUNC
1927 || (h
->type
== STT_NOTYPE
1928 && (h
->root
.type
== bfd_link_hash_defined
1929 || h
->root
.type
== bfd_link_hash_defweak
)
1930 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
1932 if (h
->plt
.refcount
<= 0
1933 || (h
->type
!= STT_GNU_IFUNC
1934 && (SYMBOL_CALLS_LOCAL (info
, h
)
1935 || (h
->root
.type
== bfd_link_hash_undefweak
1936 && ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
))))
1938 /* This case can occur if we saw a WPLT30 reloc in an input
1939 file, but the symbol was never referred to by a dynamic
1940 object, or if all references were garbage collected. In
1941 such a case, we don't actually need to build a procedure
1942 linkage table, and we can just do a WDISP30 reloc instead. */
1943 h
->plt
.offset
= (bfd_vma
) -1;
1950 h
->plt
.offset
= (bfd_vma
) -1;
1952 /* If this is a weak symbol, and there is a real definition, the
1953 processor independent code will have arranged for us to see the
1954 real definition first, and we can just use the same value. */
1955 if (h
->is_weakalias
)
1957 struct elf_link_hash_entry
*def
= weakdef (h
);
1958 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
1959 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
1960 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
1964 /* This is a reference to a symbol defined by a dynamic object which
1965 is not a function. */
1967 /* If we are creating a shared library, we must presume that the
1968 only references to the symbol are via the global offset table.
1969 For such cases we need not do anything here; the relocations will
1970 be handled correctly by relocate_section. */
1971 if (bfd_link_pic (info
))
1974 /* If there are no references to this symbol that do not use the
1975 GOT, we don't need to generate a copy reloc. */
1976 if (!h
->non_got_ref
)
1979 /* If -z nocopyreloc was given, we won't generate them either. */
1980 if (info
->nocopyreloc
)
1986 /* If we don't find any dynamic relocs in read-only sections, then
1987 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1988 if (!_bfd_elf_readonly_dynrelocs (h
))
1994 /* We must allocate the symbol in our .dynbss section, which will
1995 become part of the .bss section of the executable. There will be
1996 an entry for this symbol in the .dynsym section. The dynamic
1997 object will contain position independent code, so all references
1998 from the dynamic object to this symbol will go through the global
1999 offset table. The dynamic linker will use the .dynsym entry to
2000 determine the address it must put in the global offset table, so
2001 both the dynamic object and the regular object will refer to the
2002 same memory location for the variable. */
2004 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2005 to copy the initial value out of the dynamic object and into the
2006 runtime process image. We need to remember the offset into the
2007 .rel.bss section we are going to use. */
2008 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2010 s
= htab
->elf
.sdynrelro
;
2011 srel
= htab
->elf
.sreldynrelro
;
2015 s
= htab
->elf
.sdynbss
;
2016 srel
= htab
->elf
.srelbss
;
2018 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2020 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2024 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2027 /* Allocate space in .plt, .got and associated reloc sections for
2031 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2033 struct bfd_link_info
*info
;
2034 struct _bfd_sparc_elf_link_hash_table
*htab
;
2035 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2036 struct elf_dyn_relocs
*p
;
2037 bfd_boolean resolved_to_zero
;
2039 if (h
->root
.type
== bfd_link_hash_indirect
)
2042 info
= (struct bfd_link_info
*) inf
;
2043 htab
= _bfd_sparc_elf_hash_table (info
);
2044 BFD_ASSERT (htab
!= NULL
);
2046 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2047 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2049 if ((htab
->elf
.dynamic_sections_created
2050 && h
->plt
.refcount
> 0)
2051 || (h
->type
== STT_GNU_IFUNC
2055 /* Undefined weak syms won't yet be marked as dynamic. */
2056 if (h
->root
.type
== bfd_link_hash_undefweak
2057 && !resolved_to_zero
2059 && !h
->forced_local
)
2061 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2065 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2066 || (h
->type
== STT_GNU_IFUNC
2069 asection
*s
= htab
->elf
.splt
;
2074 /* Allocate room for the header. */
2077 s
->size
= htab
->plt_header_size
;
2079 /* Allocate space for the .rela.plt.unloaded relocations. */
2080 if (htab
->elf
.target_os
== is_vxworks
2081 && !bfd_link_pic (info
))
2082 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2085 /* The procedure linkage table size is bounded by the magnitude
2086 of the offset we can describe in the entry. */
2087 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2088 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2090 bfd_set_error (bfd_error_bad_value
);
2094 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2095 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2097 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2100 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2102 h
->plt
.offset
= (s
->size
- (off
* 8));
2105 h
->plt
.offset
= s
->size
;
2107 /* If this symbol is not defined in a regular file, and we are
2108 not generating a shared library, then set the symbol to this
2109 location in the .plt. This is required to make function
2110 pointers compare as equal between the normal executable and
2111 the shared library. */
2112 if (! bfd_link_pic (info
)
2115 h
->root
.u
.def
.section
= s
;
2116 h
->root
.u
.def
.value
= h
->plt
.offset
;
2119 /* Make room for this entry. */
2120 s
->size
+= htab
->plt_entry_size
;
2122 /* There should be no PLT relocations against resolved undefined
2123 weak symbols in the executable. */
2124 if (!resolved_to_zero
)
2126 /* We also need to make an entry in the .rela.plt section. */
2127 if (s
== htab
->elf
.splt
)
2128 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2130 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2133 if (htab
->elf
.target_os
== is_vxworks
)
2135 /* Allocate space for the .got.plt entry. */
2136 htab
->elf
.sgotplt
->size
+= 4;
2138 /* ...and for the .rela.plt.unloaded relocations. */
2139 if (!bfd_link_pic (info
))
2140 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2145 h
->plt
.offset
= (bfd_vma
) -1;
2151 h
->plt
.offset
= (bfd_vma
) -1;
2155 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2156 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2157 if (h
->got
.refcount
> 0
2158 && bfd_link_executable (info
)
2160 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2161 h
->got
.offset
= (bfd_vma
) -1;
2162 else if (h
->got
.refcount
> 0)
2166 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2168 /* Undefined weak syms won't yet be marked as dynamic. */
2169 if (h
->root
.type
== bfd_link_hash_undefweak
2170 && !resolved_to_zero
2172 && !h
->forced_local
)
2174 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2179 h
->got
.offset
= s
->size
;
2180 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2181 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2182 if (tls_type
== GOT_TLS_GD
)
2183 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2184 dyn
= htab
->elf
.dynamic_sections_created
;
2185 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2186 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2187 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2188 || tls_type
== GOT_TLS_IE
2189 || h
->type
== STT_GNU_IFUNC
)
2190 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2191 else if (tls_type
== GOT_TLS_GD
)
2192 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2193 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, bfd_link_pic (info
), h
)
2194 /* Even if the symbol isn't dynamic, we may generate a
2195 reloc for the dynamic linker in PIC mode. */
2196 || (h
->dynindx
== -1
2198 && h
->root
.type
!= bfd_link_hash_undefweak
2199 && bfd_link_pic (info
)))
2200 /* No dynamic relocations are needed against resolved
2201 undefined weak symbols in an executable. */
2202 && !(h
->root
.type
== bfd_link_hash_undefweak
2203 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2204 || resolved_to_zero
)))
2205 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2208 h
->got
.offset
= (bfd_vma
) -1;
2210 if (h
->dyn_relocs
== NULL
)
2213 /* In the shared -Bsymbolic case, discard space allocated for
2214 dynamic pc-relative relocs against symbols which turn out to be
2215 defined in regular objects. For the normal shared case, discard
2216 space for pc-relative relocs that have become local due to symbol
2217 visibility changes. */
2219 if (bfd_link_pic (info
))
2221 if (SYMBOL_CALLS_LOCAL (info
, h
))
2223 struct elf_dyn_relocs
**pp
;
2225 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2227 p
->count
-= p
->pc_count
;
2236 if (htab
->elf
.target_os
== is_vxworks
)
2238 struct elf_dyn_relocs
**pp
;
2240 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2242 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2249 /* Also discard relocs on undefined weak syms with non-default
2250 visibility or in PIE. */
2251 if (h
->dyn_relocs
!= NULL
2252 && h
->root
.type
== bfd_link_hash_undefweak
)
2254 /* An undefined weak symbol is never
2255 bound locally in a shared library. */
2257 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2258 || resolved_to_zero
)
2262 /* Keep dynamic non-GOT/non-PLT relocation so that we
2263 can branch to 0 without PLT. */
2264 struct elf_dyn_relocs
**pp
;
2266 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
;)
2267 if (p
->pc_count
== 0)
2271 /* Remove other relocations. */
2272 p
->count
= p
->pc_count
;
2276 if (h
->dyn_relocs
!= NULL
)
2278 /* Make sure undefined weak symbols are output
2279 as dynamic symbols in PIEs for dynamic non-GOT
2280 non-PLT reloations. */
2281 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2286 h
->dyn_relocs
= NULL
;
2289 /* Make sure undefined weak symbols are output as a dynamic
2291 else if (h
->dynindx
== -1
2292 && !h
->forced_local
)
2294 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2301 /* For the non-shared case, discard space for relocs against
2302 symbols which turn out to need copy relocs or are not
2305 if ((!h
->non_got_ref
2306 || (h
->root
.type
== bfd_link_hash_undefweak
2307 && !resolved_to_zero
))
2310 || (htab
->elf
.dynamic_sections_created
2311 && (h
->root
.type
== bfd_link_hash_undefweak
2312 || h
->root
.type
== bfd_link_hash_undefined
))))
2314 /* Undefined weak syms won't yet be marked as dynamic. */
2315 if (h
->root
.type
== bfd_link_hash_undefweak
2316 && !resolved_to_zero
2318 && !h
->forced_local
)
2320 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2324 /* If that succeeded, we know we'll be keeping all the
2326 if (h
->dynindx
!= -1)
2330 h
->dyn_relocs
= NULL
;
2335 /* Finally, allocate space. */
2336 for (p
= h
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2338 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2339 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2345 /* Allocate space in .plt, .got and associated reloc sections for
2346 local dynamic relocs. */
2349 allocate_local_dynrelocs (void **slot
, void *inf
)
2351 struct elf_link_hash_entry
*h
2352 = (struct elf_link_hash_entry
*) *slot
;
2354 if (h
->type
!= STT_GNU_IFUNC
2358 || h
->root
.type
!= bfd_link_hash_defined
)
2361 return allocate_dynrelocs (h
, inf
);
2364 /* Return true if the dynamic symbol for a given section should be
2365 omitted when creating a shared library. */
2368 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2369 struct bfd_link_info
*info
,
2372 /* We keep the .got section symbol so that explicit relocations
2373 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2374 can be turned into relocations against the .got symbol. */
2375 if (strcmp (p
->name
, ".got") == 0)
2378 return _bfd_elf_omit_section_dynsym_default (output_bfd
, info
, p
);
2381 /* Set the sizes of the dynamic sections. */
2384 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2385 struct bfd_link_info
*info
)
2387 struct _bfd_sparc_elf_link_hash_table
*htab
;
2392 htab
= _bfd_sparc_elf_hash_table (info
);
2393 BFD_ASSERT (htab
!= NULL
);
2394 dynobj
= htab
->elf
.dynobj
;
2395 BFD_ASSERT (dynobj
!= NULL
);
2397 if (elf_hash_table (info
)->dynamic_sections_created
)
2399 /* Set the contents of the .interp section to the interpreter. */
2400 if (bfd_link_executable (info
) && !info
->nointerp
)
2402 s
= bfd_get_linker_section (dynobj
, ".interp");
2403 BFD_ASSERT (s
!= NULL
);
2404 s
->size
= htab
->dynamic_interpreter_size
;
2405 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2410 /* Set up .got offsets for local syms, and space for local dynamic
2412 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2414 bfd_signed_vma
*local_got
;
2415 bfd_signed_vma
*end_local_got
;
2416 char *local_tls_type
;
2417 bfd_size_type locsymcount
;
2418 Elf_Internal_Shdr
*symtab_hdr
;
2421 if (! is_sparc_elf (ibfd
))
2424 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2426 struct elf_dyn_relocs
*p
;
2428 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2430 if (!bfd_is_abs_section (p
->sec
)
2431 && bfd_is_abs_section (p
->sec
->output_section
))
2433 /* Input section has been discarded, either because
2434 it is a copy of a linkonce section or due to
2435 linker script /DISCARD/, so we'll be discarding
2438 else if (htab
->elf
.target_os
== is_vxworks
2439 && strcmp (p
->sec
->output_section
->name
,
2442 /* Relocations in vxworks .tls_vars sections are
2443 handled specially by the loader. */
2445 else if (p
->count
!= 0)
2447 srel
= elf_section_data (p
->sec
)->sreloc
;
2448 if (!htab
->elf
.dynamic_sections_created
)
2449 srel
= htab
->elf
.irelplt
;
2450 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2451 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2453 info
->flags
|= DF_TEXTREL
;
2454 info
->callbacks
->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2455 p
->sec
->owner
, p
->sec
);
2461 local_got
= elf_local_got_refcounts (ibfd
);
2465 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2466 locsymcount
= symtab_hdr
->sh_info
;
2467 end_local_got
= local_got
+ locsymcount
;
2468 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2470 srel
= htab
->elf
.srelgot
;
2471 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2475 *local_got
= s
->size
;
2476 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2477 if (*local_tls_type
== GOT_TLS_GD
)
2478 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2479 if (bfd_link_pic (info
)
2480 || *local_tls_type
== GOT_TLS_GD
2481 || *local_tls_type
== GOT_TLS_IE
)
2482 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2485 *local_got
= (bfd_vma
) -1;
2489 if (htab
->tls_ldm_got
.refcount
> 0)
2491 /* Allocate 2 got entries and 1 dynamic reloc for
2492 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2493 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2494 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2495 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2498 htab
->tls_ldm_got
.offset
= -1;
2500 /* Allocate global sym .plt and .got entries, and space for global
2501 sym dynamic relocs. */
2502 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2504 /* Allocate .plt and .got entries, and space for local symbols. */
2505 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2507 if (! ABI_64_P (output_bfd
)
2508 && htab
->elf
.target_os
!= is_vxworks
2509 && elf_hash_table (info
)->dynamic_sections_created
)
2511 /* Make space for the trailing nop in .plt. */
2512 if (htab
->elf
.splt
->size
> 0)
2513 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2515 /* If the .got section is more than 0x1000 bytes, we add
2516 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2517 bit relocations have a greater chance of working.
2519 FIXME: Make this optimization work for 64-bit too. */
2520 if (htab
->elf
.sgot
->size
>= 0x1000
2521 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2522 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2525 /* The check_relocs and adjust_dynamic_symbol entry points have
2526 determined the sizes of the various dynamic sections. Allocate
2528 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2530 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2533 if (s
== htab
->elf
.splt
2534 || s
== htab
->elf
.sgot
2535 || s
== htab
->elf
.sdynbss
2536 || s
== htab
->elf
.sdynrelro
2537 || s
== htab
->elf
.iplt
2538 || s
== htab
->elf
.sgotplt
)
2540 /* Strip this section if we don't need it; see the
2543 else if (CONST_STRNEQ (s
->name
, ".rela"))
2547 /* We use the reloc_count field as a counter if we need
2548 to copy relocs into the output file. */
2554 /* It's not one of our sections. */
2560 /* If we don't need this section, strip it from the
2561 output file. This is mostly to handle .rela.bss and
2562 .rela.plt. We must create both sections in
2563 create_dynamic_sections, because they must be created
2564 before the linker maps input sections to output
2565 sections. The linker does that before
2566 adjust_dynamic_symbol is called, and it is that
2567 function which decides whether anything needs to go
2568 into these sections. */
2569 s
->flags
|= SEC_EXCLUDE
;
2573 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2576 /* Allocate memory for the section contents. Zero the memory
2577 for the benefit of .rela.plt, which has 4 unused entries
2578 at the beginning, and we don't want garbage. */
2579 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2580 if (s
->contents
== NULL
)
2584 if (elf_hash_table (info
)->dynamic_sections_created
)
2586 /* Add some entries to the .dynamic section. We fill in the
2587 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2588 must add the entries now so that we get the correct size for
2589 the .dynamic section. The DT_DEBUG entry is filled in by the
2590 dynamic linker and used by the debugger. */
2591 #define add_dynamic_entry(TAG, VAL) \
2592 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2594 if (!_bfd_elf_maybe_vxworks_add_dynamic_tags (output_bfd
, info
,
2598 if (ABI_64_P (output_bfd
))
2601 struct _bfd_sparc_elf_app_reg
* app_regs
;
2602 struct elf_strtab_hash
*dynstr
;
2603 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2605 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2606 entries if needed. */
2607 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2608 dynstr
= eht
->dynstr
;
2610 for (reg
= 0; reg
< 4; reg
++)
2611 if (app_regs
[reg
].name
!= NULL
)
2613 struct elf_link_local_dynamic_entry
*entry
, *e
;
2615 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2618 entry
= (struct elf_link_local_dynamic_entry
*)
2619 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2623 /* We cheat here a little bit: the symbol will not be local, so we
2624 put it at the end of the dynlocal linked list. We will fix it
2625 later on, as we have to fix other fields anyway. */
2626 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2627 entry
->isym
.st_size
= 0;
2628 if (*app_regs
[reg
].name
!= '\0')
2630 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2632 entry
->isym
.st_name
= 0;
2633 entry
->isym
.st_other
= 0;
2634 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2636 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2637 entry
->isym
.st_target_internal
= 0;
2639 entry
->input_bfd
= output_bfd
;
2640 entry
->input_indx
= -1;
2642 if (eht
->dynlocal
== NULL
)
2643 eht
->dynlocal
= entry
;
2646 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2654 #undef add_dynamic_entry
2660 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2662 if (!sec
->used_by_bfd
)
2664 struct _bfd_sparc_elf_section_data
*sdata
;
2665 size_t amt
= sizeof (*sdata
);
2667 sdata
= bfd_zalloc (abfd
, amt
);
2670 sec
->used_by_bfd
= sdata
;
2673 return _bfd_elf_new_section_hook (abfd
, sec
);
2677 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2678 struct bfd_section
*section
,
2679 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2682 if (bfd_link_relocatable (link_info
))
2683 (*link_info
->callbacks
->einfo
)
2684 (_("%P%F: --relax and -r may not be used together\n"));
2687 sec_do_relax (section
) = 1;
2691 /* Return the base VMA address which should be subtracted from real addresses
2692 when resolving @dtpoff relocation.
2693 This is PT_TLS segment p_vaddr. */
2696 dtpoff_base (struct bfd_link_info
*info
)
2698 /* If tls_sec is NULL, we should have signalled an error already. */
2699 if (elf_hash_table (info
)->tls_sec
== NULL
)
2701 return elf_hash_table (info
)->tls_sec
->vma
;
2704 /* Return the relocation value for @tpoff relocation
2705 if STT_TLS virtual address is ADDRESS. */
2708 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2710 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2711 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2712 bfd_vma static_tls_size
;
2714 /* If tls_sec is NULL, we should have signalled an error already. */
2715 if (htab
->tls_sec
== NULL
)
2718 /* Consider special static TLS alignment requirements. */
2719 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2720 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2723 /* Return the relocation value for a %gdop relocation. */
2726 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2728 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2731 got_base
= (htab
->hgot
->root
.u
.def
.value
2732 + htab
->hgot
->root
.u
.def
.section
->output_offset
2733 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2735 return address
- got_base
;
2738 /* Return whether H is local and its ADDRESS is within 4G of
2739 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2740 sethi, xor sequence. */
2743 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2744 struct elf_link_hash_entry
*h
,
2745 bfd_vma address ATTRIBUTE_UNUSED
)
2747 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2749 /* If H is undefined, ADDRESS will be zero. We can't allow a
2750 relative offset to "zero" when producing PIEs or shared libs.
2751 Note that to get here with an undefined symbol it must also be
2752 hidden or internal visibility. */
2753 if (bfd_link_pic (info
)
2755 && (h
->root
.type
== bfd_link_hash_undefweak
2756 || h
->root
.type
== bfd_link_hash_undefined
))
2759 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2765 /* Relocate a SPARC ELF section. */
2768 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2769 struct bfd_link_info
*info
,
2771 asection
*input_section
,
2773 Elf_Internal_Rela
*relocs
,
2774 Elf_Internal_Sym
*local_syms
,
2775 asection
**local_sections
)
2777 struct _bfd_sparc_elf_link_hash_table
*htab
;
2778 Elf_Internal_Shdr
*symtab_hdr
;
2779 struct elf_link_hash_entry
**sym_hashes
;
2780 bfd_vma
*local_got_offsets
;
2783 Elf_Internal_Rela
*rel
;
2784 Elf_Internal_Rela
*relend
;
2786 bfd_boolean is_vxworks_tls
;
2788 htab
= _bfd_sparc_elf_hash_table (info
);
2789 BFD_ASSERT (htab
!= NULL
);
2790 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2791 sym_hashes
= elf_sym_hashes (input_bfd
);
2792 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2794 if (elf_hash_table (info
)->hgot
== NULL
)
2797 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2799 sreloc
= elf_section_data (input_section
)->sreloc
;
2800 /* We have to handle relocations in vxworks .tls_vars sections
2801 specially, because the dynamic loader is 'weird'. */
2802 is_vxworks_tls
= (htab
->elf
.target_os
== is_vxworks
2803 && bfd_link_pic (info
)
2804 && !strcmp (input_section
->output_section
->name
,
2808 if (ABI_64_P (output_bfd
))
2809 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2811 num_relocs
= input_section
->reloc_count
;
2812 relend
= relocs
+ num_relocs
;
2813 for (; rel
< relend
; rel
++)
2815 int r_type
, tls_type
;
2816 reloc_howto_type
*howto
;
2817 unsigned long r_symndx
;
2818 struct elf_link_hash_entry
*h
;
2819 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2820 Elf_Internal_Sym
*sym
;
2822 bfd_vma relocation
, off
;
2823 bfd_reloc_status_type r
;
2824 bfd_boolean is_plt
= FALSE
;
2825 bfd_boolean unresolved_reloc
;
2826 bfd_boolean resolved_to_zero
;
2827 bfd_boolean relative_reloc
;
2829 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2830 if (r_type
== R_SPARC_GNU_VTINHERIT
2831 || r_type
== R_SPARC_GNU_VTENTRY
)
2834 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2836 bfd_set_error (bfd_error_bad_value
);
2840 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2841 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2845 unresolved_reloc
= FALSE
;
2846 if (r_symndx
< symtab_hdr
->sh_info
)
2848 sym
= local_syms
+ r_symndx
;
2849 sec
= local_sections
[r_symndx
];
2850 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2852 if (!bfd_link_relocatable (info
)
2853 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
2855 /* Relocate against local STT_GNU_IFUNC symbol. */
2856 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
2861 /* Set STT_GNU_IFUNC symbol value. */
2862 h
->root
.u
.def
.value
= sym
->st_value
;
2863 h
->root
.u
.def
.section
= sec
;
2868 bfd_boolean warned
, ignored
;
2870 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2871 r_symndx
, symtab_hdr
, sym_hashes
,
2873 unresolved_reloc
, warned
, ignored
);
2876 /* To avoid generating warning messages about truncated
2877 relocations, set the relocation's address to be the same as
2878 the start of this section. */
2879 if (input_section
->output_section
!= NULL
)
2880 relocation
= input_section
->output_section
->vma
;
2886 if (sec
!= NULL
&& discarded_section (sec
))
2887 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
2888 rel
, 1, relend
, howto
, 0, contents
);
2890 if (bfd_link_relocatable (info
))
2894 && h
->type
== STT_GNU_IFUNC
2900 if ((input_section
->flags
& SEC_ALLOC
) == 0
2901 || h
->plt
.offset
== (bfd_vma
) -1)
2903 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
2904 STT_GNU_IFUNC symbol as STT_FUNC. */
2905 if (elf_section_type (input_section
) == SHT_NOTE
)
2910 plt_sec
= htab
->elf
.splt
;
2912 plt_sec
=htab
->elf
.iplt
;
2916 case R_SPARC_GOTDATA_OP
:
2919 case R_SPARC_GOTDATA_OP_HIX22
:
2920 case R_SPARC_GOTDATA_OP_LOX10
:
2921 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
2924 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2930 if (htab
->elf
.sgot
== NULL
)
2932 off
= h
->got
.offset
;
2933 if (off
== (bfd_vma
) -1)
2935 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
2938 case R_SPARC_WPLT30
:
2939 case R_SPARC_WDISP30
:
2940 relocation
= (plt_sec
->output_section
->vma
2941 + plt_sec
->output_offset
+ h
->plt
.offset
);
2946 if (bfd_link_pic (info
) && h
->non_got_ref
)
2948 Elf_Internal_Rela outrel
;
2951 offset
= _bfd_elf_section_offset (output_bfd
, info
,
2954 if (offset
== (bfd_vma
) -1
2955 || offset
== (bfd_vma
) -2)
2958 outrel
.r_offset
= (input_section
->output_section
->vma
2959 + input_section
->output_offset
2962 if (h
->dynindx
== -1
2964 || bfd_link_executable (info
))
2966 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
2967 0, R_SPARC_IRELATIVE
);
2968 outrel
.r_addend
= relocation
+ rel
->r_addend
;
2972 if (h
->dynindx
== -1)
2974 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
2975 outrel
.r_addend
= rel
->r_addend
;
2978 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
2982 relocation
= (plt_sec
->output_section
->vma
2983 + plt_sec
->output_offset
+ h
->plt
.offset
);
2988 /* We should only see such relocs in static links. */
2989 if (bfd_link_pic (info
))
2991 relocation
= (plt_sec
->output_section
->vma
2992 + plt_sec
->output_offset
+ h
->plt
.offset
);
2996 if (h
->root
.root
.string
)
2997 name
= h
->root
.root
.string
;
2999 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3002 /* xgettext:c-format */
3003 (_("%pB: relocation %s against STT_GNU_IFUNC "
3004 "symbol `%s' isn't handled by %s"), input_bfd
,
3005 _bfd_sparc_elf_howto_table
[r_type
].name
,
3006 name
, __FUNCTION__
);
3007 bfd_set_error (bfd_error_bad_value
);
3013 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3014 resolved_to_zero
= eh
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
3018 case R_SPARC_GOTDATA_OP_HIX22
:
3019 case R_SPARC_GOTDATA_OP_LOX10
:
3020 if (gdop_relative_offset_ok (info
, h
, relocation
))
3022 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3023 ? R_SPARC_GOTDATA_HIX22
3024 : R_SPARC_GOTDATA_LOX10
);
3025 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3029 case R_SPARC_GOTDATA_OP
:
3030 if (gdop_relative_offset_ok (info
, h
, relocation
))
3032 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3034 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3035 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3036 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3038 /* If the symbol is global but not dynamic, an .rela.* slot has
3039 been allocated for it in the GOT so output R_SPARC_NONE here,
3040 if it isn't also subject to another, old-style GOT relocation.
3041 See also the handling of these GOT relocations just below. */
3045 && h
->root
.type
!= bfd_link_hash_undefweak
3046 && !eh
->has_old_style_got_reloc
3047 && (h
->got
.offset
& 1) == 0
3048 && bfd_link_pic (info
))
3050 asection
*s
= htab
->elf
.srelgot
;
3051 Elf_Internal_Rela outrel
;
3053 BFD_ASSERT (s
!= NULL
);
3055 memset (&outrel
, 0, sizeof outrel
);
3056 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3065 case R_SPARC_GOTDATA_HIX22
:
3066 case R_SPARC_GOTDATA_LOX10
:
3067 relocation
= gdopoff (info
, relocation
);
3070 case R_SPARC_GOTDATA_OP_HIX22
:
3071 case R_SPARC_GOTDATA_OP_LOX10
:
3075 /* Relocation is to the entry for this symbol in the global
3077 if (htab
->elf
.sgot
== NULL
)
3080 relative_reloc
= FALSE
;
3085 off
= h
->got
.offset
;
3086 BFD_ASSERT (off
!= (bfd_vma
) -1);
3087 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3089 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3090 bfd_link_pic (info
),
3092 || (bfd_link_pic (info
)
3093 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3095 /* This is actually a static link, or it is a
3096 -Bsymbolic link and the symbol is defined
3097 locally, or the symbol was forced to be local
3098 because of a version file. We must initialize
3099 this entry in the global offset table. Since the
3100 offset must always be a multiple of 8 for 64-bit
3101 and 4 for 32-bit, we use the least significant bit
3102 to record whether we have initialized it already.
3104 When doing a dynamic link, we create a .rela.got
3105 relocation entry to initialize the value. This
3106 is done in the finish_dynamic_symbol routine. */
3111 /* If this symbol isn't dynamic in PIC mode, treat it
3112 like a local symbol in PIC mode below. */
3113 if (h
->dynindx
== -1
3115 && h
->root
.type
!= bfd_link_hash_undefweak
3116 && bfd_link_pic (info
))
3117 relative_reloc
= TRUE
;
3119 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3120 htab
->elf
.sgot
->contents
+ off
);
3125 unresolved_reloc
= FALSE
;
3129 BFD_ASSERT (local_got_offsets
!= NULL
3130 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3132 off
= local_got_offsets
[r_symndx
];
3134 /* The offset must always be a multiple of 8 on 64-bit and
3135 4 on 32-bit. We use the least significant bit to record
3136 whether we have already processed this entry. */
3141 /* For a local symbol in PIC mode, we need to generate a
3142 R_SPARC_RELATIVE reloc for the dynamic linker. */
3143 if (bfd_link_pic (info
))
3144 relative_reloc
= TRUE
;
3146 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3147 htab
->elf
.sgot
->contents
+ off
);
3148 local_got_offsets
[r_symndx
] |= 1;
3154 asection
*s
= htab
->elf
.srelgot
;
3155 Elf_Internal_Rela outrel
;
3157 BFD_ASSERT (s
!= NULL
);
3159 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3160 + htab
->elf
.sgot
->output_offset
3162 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3163 0, R_SPARC_RELATIVE
);
3164 outrel
.r_addend
= relocation
;
3165 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3166 /* Versions of glibc ld.so at least up to 2.26 wrongly
3167 add the section contents to the value calculated for
3168 a RELATIVE reloc. Zero the contents to work around
3171 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3172 htab
->elf
.sgot
->contents
+ off
);
3175 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3180 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3182 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3187 case R_SPARC_WPLT30
:
3188 case R_SPARC_HIPLT22
:
3189 case R_SPARC_LOPLT10
:
3190 case R_SPARC_PCPLT32
:
3191 case R_SPARC_PCPLT22
:
3192 case R_SPARC_PCPLT10
:
3194 /* Relocation is to the entry for this symbol in the
3195 procedure linkage table. */
3197 if (! ABI_64_P (output_bfd
))
3199 /* The Solaris native assembler will generate a WPLT30 reloc
3200 for a local symbol if you assemble a call from one
3201 section to another when using -K pic. We treat it as
3206 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3207 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3211 BFD_ASSERT (h
!= NULL
);
3214 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3216 /* We didn't make a PLT entry for this symbol. This
3217 happens when statically linking PIC code, or when
3218 using -Bsymbolic. */
3222 relocation
= (htab
->elf
.splt
->output_section
->vma
3223 + htab
->elf
.splt
->output_offset
3225 unresolved_reloc
= FALSE
;
3226 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3228 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3236 case R_SPARC_PC_HH22
:
3237 case R_SPARC_PC_HM10
:
3238 case R_SPARC_PC_LM22
:
3240 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3244 case R_SPARC_DISP16
:
3245 case R_SPARC_DISP32
:
3246 case R_SPARC_DISP64
:
3247 case R_SPARC_WDISP30
:
3248 case R_SPARC_WDISP22
:
3249 case R_SPARC_WDISP19
:
3250 case R_SPARC_WDISP16
:
3251 case R_SPARC_WDISP10
:
3279 if ((input_section
->flags
& SEC_ALLOC
) == 0 || is_vxworks_tls
)
3282 /* Copy dynamic function pointer relocations. Don't generate
3283 dynamic relocations against resolved undefined weak symbols
3285 if ((bfd_link_pic (info
)
3287 || !(h
->root
.type
== bfd_link_hash_undefweak
3288 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
3289 || resolved_to_zero
)))
3290 && (! howto
->pc_relative
3291 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3292 || (!bfd_link_pic (info
)
3298 || (h
->root
.type
== bfd_link_hash_undefweak
3299 && !resolved_to_zero
)
3300 || h
->root
.type
== bfd_link_hash_undefined
)))
3302 Elf_Internal_Rela outrel
;
3303 bfd_boolean skip
, relocate
= FALSE
;
3305 /* When generating a shared object, these relocations
3306 are copied into the output file to be resolved at run
3309 BFD_ASSERT (sreloc
!= NULL
);
3314 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3316 if (outrel
.r_offset
== (bfd_vma
) -1)
3318 else if (outrel
.r_offset
== (bfd_vma
) -2)
3319 skip
= TRUE
, relocate
= TRUE
;
3320 outrel
.r_offset
+= (input_section
->output_section
->vma
3321 + input_section
->output_offset
);
3323 /* Optimize unaligned reloc usage now that we know where
3324 it finally resides. */
3328 if (outrel
.r_offset
& 1)
3329 r_type
= R_SPARC_UA16
;
3332 if (!(outrel
.r_offset
& 1))
3333 r_type
= R_SPARC_16
;
3336 if (outrel
.r_offset
& 3)
3337 r_type
= R_SPARC_UA32
;
3340 if (!(outrel
.r_offset
& 3))
3341 r_type
= R_SPARC_32
;
3344 if (outrel
.r_offset
& 7)
3345 r_type
= R_SPARC_UA64
;
3348 if (!(outrel
.r_offset
& 7))
3349 r_type
= R_SPARC_64
;
3352 case R_SPARC_DISP16
:
3353 case R_SPARC_DISP32
:
3354 case R_SPARC_DISP64
:
3355 /* If the symbol is not dynamic, we should not keep
3356 a dynamic relocation. But an .rela.* slot has been
3357 allocated for it, output R_SPARC_NONE.
3358 FIXME: Add code tracking needed dynamic relocs as
3360 if (h
->dynindx
== -1)
3361 skip
= TRUE
, relocate
= TRUE
;
3366 memset (&outrel
, 0, sizeof outrel
);
3367 /* h->dynindx may be -1 if the symbol was marked to
3371 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3372 || !bfd_link_pic (info
)
3373 || !SYMBOLIC_BIND (info
, h
)
3374 || !h
->def_regular
))
3376 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3377 outrel
.r_addend
= rel
->r_addend
;
3381 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3382 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3384 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3385 0, R_SPARC_RELATIVE
);
3386 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3392 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3395 sec
= htab
->elf
.splt
;
3397 if (bfd_is_abs_section (sec
))
3399 else if (sec
== NULL
|| sec
->owner
== NULL
)
3401 bfd_set_error (bfd_error_bad_value
);
3408 /* We are turning this relocation into one
3409 against a section symbol. It would be
3410 proper to subtract the symbol's value,
3411 osec->vma, from the emitted reloc addend,
3412 but ld.so expects buggy relocs. */
3413 osec
= sec
->output_section
;
3414 indx
= elf_section_data (osec
)->dynindx
;
3418 osec
= htab
->elf
.text_index_section
;
3419 indx
= elf_section_data (osec
)->dynindx
;
3422 /* FIXME: we really should be able to link non-pic
3423 shared libraries. */
3428 (_("%pB: probably compiled without -fPIC?"),
3430 bfd_set_error (bfd_error_bad_value
);
3435 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3440 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3442 /* This reloc will be computed at runtime, so there's no
3443 need to do anything now. */
3449 case R_SPARC_TLS_GD_HI22
:
3450 case R_SPARC_TLS_GD_LO10
:
3451 case R_SPARC_TLS_IE_HI22
:
3452 case R_SPARC_TLS_IE_LO10
:
3453 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
,
3454 h
== NULL
|| h
->dynindx
== -1);
3455 if (r_type
== R_SPARC_REV32
)
3458 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3459 else if (local_got_offsets
)
3460 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3462 tls_type
= GOT_UNKNOWN
;
3463 if (tls_type
== GOT_TLS_IE
)
3466 case R_SPARC_TLS_GD_HI22
:
3467 r_type
= R_SPARC_TLS_IE_HI22
;
3469 case R_SPARC_TLS_GD_LO10
:
3470 r_type
= R_SPARC_TLS_IE_LO10
;
3474 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3476 relocation
= tpoff (info
, relocation
);
3479 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3481 /* Change add into xor. */
3482 relocation
= tpoff (info
, relocation
);
3483 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3484 contents
+ rel
->r_offset
)
3485 | 0x80182000), contents
+ rel
->r_offset
);
3491 off
= h
->got
.offset
;
3496 BFD_ASSERT (local_got_offsets
!= NULL
);
3497 off
= local_got_offsets
[r_symndx
];
3498 local_got_offsets
[r_symndx
] |= 1;
3502 if (htab
->elf
.sgot
== NULL
)
3509 Elf_Internal_Rela outrel
;
3512 if (htab
->elf
.srelgot
== NULL
)
3515 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3516 htab
->elf
.sgot
->contents
+ off
);
3517 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3518 + htab
->elf
.sgot
->output_offset
+ off
);
3519 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3520 if (r_type
== R_SPARC_TLS_IE_HI22
3521 || r_type
== R_SPARC_TLS_IE_LO10
)
3522 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3524 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3525 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3526 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3528 outrel
.r_addend
= 0;
3529 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3530 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3532 if (r_type
== R_SPARC_TLS_GD_HI22
3533 || r_type
== R_SPARC_TLS_GD_LO10
)
3537 BFD_ASSERT (! unresolved_reloc
);
3538 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3539 relocation
- dtpoff_base (info
),
3540 (htab
->elf
.sgot
->contents
+ off
3541 + SPARC_ELF_WORD_BYTES (htab
)));
3545 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3546 (htab
->elf
.sgot
->contents
+ off
3547 + SPARC_ELF_WORD_BYTES (htab
)));
3548 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3549 SPARC_ELF_DTPOFF_RELOC (htab
));
3550 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3551 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3555 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3557 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3558 (htab
->elf
.sgot
->contents
+ off
3559 + SPARC_ELF_WORD_BYTES (htab
)));
3563 if (off
>= (bfd_vma
) -2)
3566 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3567 unresolved_reloc
= FALSE
;
3568 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3571 case R_SPARC_TLS_LDM_HI22
:
3572 case R_SPARC_TLS_LDM_LO10
:
3574 if (bfd_link_executable (info
))
3576 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3579 off
= htab
->tls_ldm_got
.offset
;
3580 htab
->tls_ldm_got
.offset
|= 1;
3581 goto r_sparc_tlsldm
;
3583 case R_SPARC_TLS_LDO_HIX22
:
3584 case R_SPARC_TLS_LDO_LOX10
:
3586 if (bfd_link_executable (info
))
3588 if (r_type
== R_SPARC_TLS_LDO_HIX22
)
3589 r_type
= R_SPARC_TLS_LE_HIX22
;
3591 r_type
= R_SPARC_TLS_LE_LOX10
;
3595 relocation
-= dtpoff_base (info
);
3600 case R_SPARC_TLS_LE_HIX22
:
3601 case R_SPARC_TLS_LE_LOX10
:
3602 if (!bfd_link_executable (info
))
3604 Elf_Internal_Rela outrel
;
3606 = _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3608 if (offset
== (bfd_vma
) -1 || offset
== (bfd_vma
) -2)
3609 memset (&outrel
, 0, sizeof outrel
);
3612 outrel
.r_offset
= offset
3613 + input_section
->output_section
->vma
3614 + input_section
->output_offset
;
3615 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3617 = relocation
- dtpoff_base (info
) + rel
->r_addend
;
3620 BFD_ASSERT (sreloc
!= NULL
);
3621 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3624 relocation
= tpoff (info
, relocation
);
3627 case R_SPARC_TLS_LDM_CALL
:
3629 if (bfd_link_executable (info
))
3632 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3637 case R_SPARC_TLS_GD_CALL
:
3639 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3640 else if (local_got_offsets
)
3641 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3643 tls_type
= GOT_UNKNOWN
;
3644 /* GD -> IE or LE */
3645 if (bfd_link_executable (info
)
3646 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3648 Elf_Internal_Rela
*rel2
;
3652 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3654 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3659 if (rel
+ 1 < relend
3660 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3661 && rel
[1].r_offset
== rel
->r_offset
+ 4
3662 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3663 && (((insn
= bfd_get_32 (input_bfd
,
3664 contents
+ rel
[1].r_offset
))
3665 >> 25) & 0x1f) == 8)
3668 call __tls_get_addr, %tgd_call(foo)
3669 add %reg1, %reg2, %o0, %tgd_add(foo)
3670 and change it into IE:
3671 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3672 add %g7, %o0, %o0, %tie_add(foo).
3673 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3674 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3675 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3676 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3677 contents
+ rel
->r_offset
);
3678 bfd_put_32 (output_bfd
, 0x9001c008,
3679 contents
+ rel
->r_offset
+ 4);
3684 /* We cannot just overwrite the delay slot instruction,
3685 as it might be what puts the %o0 argument to
3686 __tls_get_addr into place. So we have to transpose
3687 the delay slot with the add we patch in. */
3688 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3689 bfd_put_32 (output_bfd
, insn
,
3690 contents
+ rel
->r_offset
);
3691 bfd_put_32 (output_bfd
, 0x9001c008,
3692 contents
+ rel
->r_offset
+ 4);
3695 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3699 /* If the instruction we moved has a relocation attached to
3700 it, adjust the offset so that it will apply to the correct
3702 rel2
->r_offset
-= 4;
3707 h
= (struct elf_link_hash_entry
*)
3708 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3710 BFD_ASSERT (h
!= NULL
);
3711 r_type
= R_SPARC_WPLT30
;
3712 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3713 goto r_sparc_wplt30
;
3715 case R_SPARC_TLS_GD_ADD
:
3717 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3718 else if (local_got_offsets
)
3719 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3721 tls_type
= GOT_UNKNOWN
;
3722 /* GD -> IE or LE */
3723 if (bfd_link_executable (info
) || tls_type
== GOT_TLS_IE
)
3725 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3727 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3729 add %g7, %reg2, %reg3. */
3730 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3731 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3732 relocation
= (insn
& ~0x7c000) | 0x1c000;
3734 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3735 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3739 case R_SPARC_TLS_LDM_ADD
:
3741 if (bfd_link_executable (info
))
3742 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3745 case R_SPARC_TLS_LDO_ADD
:
3747 if (bfd_link_executable (info
))
3749 /* Change rs1 into %g7. */
3750 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3751 insn
= (insn
& ~0x7c000) | 0x1c000;
3752 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3756 case R_SPARC_TLS_IE_LD
:
3757 case R_SPARC_TLS_IE_LDX
:
3759 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3761 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3762 int rs2
= insn
& 0x1f;
3763 int rd
= (insn
>> 25) & 0x1f;
3766 relocation
= SPARC_NOP
;
3768 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3769 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3773 case R_SPARC_TLS_IE_ADD
:
3774 /* Totally useless relocation. */
3777 case R_SPARC_TLS_DTPOFF32
:
3778 case R_SPARC_TLS_DTPOFF64
:
3779 relocation
-= dtpoff_base (info
);
3786 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3787 because such sections are not SEC_ALLOC and thus ld.so will
3788 not process them. */
3789 if (unresolved_reloc
3790 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3792 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3793 rel
->r_offset
) != (bfd_vma
) -1)
3795 /* xgettext:c-format */
3796 (_("%pB(%pA+%#" PRIx64
"): "
3797 "unresolvable %s relocation against symbol `%s'"),
3800 (uint64_t) rel
->r_offset
,
3802 h
->root
.root
.string
);
3804 r
= bfd_reloc_continue
;
3805 if (r_type
== R_SPARC_OLO10
)
3809 if (! ABI_64_P (output_bfd
))
3812 relocation
+= rel
->r_addend
;
3813 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3815 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3816 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3817 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3819 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3820 howto
->bitsize
, howto
->rightshift
,
3821 bfd_arch_bits_per_address (input_bfd
),
3824 else if (r_type
== R_SPARC_WDISP16
)
3828 relocation
+= rel
->r_addend
;
3829 relocation
-= (input_section
->output_section
->vma
3830 + input_section
->output_offset
);
3831 relocation
-= rel
->r_offset
;
3833 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3834 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3835 | ((relocation
>> 2) & 0x3fff));
3836 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3838 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3839 howto
->bitsize
, howto
->rightshift
,
3840 bfd_arch_bits_per_address (input_bfd
),
3843 else if (r_type
== R_SPARC_WDISP10
)
3847 relocation
+= rel
->r_addend
;
3848 relocation
-= (input_section
->output_section
->vma
3849 + input_section
->output_offset
);
3850 relocation
-= rel
->r_offset
;
3852 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3853 x
|= ((((relocation
>> 2) & 0x300) << 11)
3854 | (((relocation
>> 2) & 0xff) << 5));
3855 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3857 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3858 howto
->bitsize
, howto
->rightshift
,
3859 bfd_arch_bits_per_address (input_bfd
),
3862 else if (r_type
== R_SPARC_REV32
)
3866 relocation
= relocation
+ rel
->r_addend
;
3868 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3870 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3873 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3874 || r_type
== R_SPARC_TLS_LE_HIX22
)
3878 relocation
+= rel
->r_addend
;
3879 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3880 relocation
^= MINUS_ONE
;
3882 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3883 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3884 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3887 else if (r_type
== R_SPARC_TLS_LDO_LOX10
3888 || r_type
== R_SPARC_TLS_LE_LOX10
)
3892 relocation
+= rel
->r_addend
;
3893 relocation
&= 0x3ff;
3894 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3895 relocation
|= 0x1c00;
3897 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3898 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3899 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3903 else if (r_type
== R_SPARC_HIX22
3904 || r_type
== R_SPARC_GOTDATA_HIX22
3905 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
3909 relocation
+= rel
->r_addend
;
3910 if (r_type
== R_SPARC_HIX22
3911 || (bfd_signed_vma
) relocation
< 0)
3912 relocation
= relocation
^ MINUS_ONE
;
3914 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3915 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3916 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3918 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3919 howto
->bitsize
, howto
->rightshift
,
3920 bfd_arch_bits_per_address (input_bfd
),
3923 else if (r_type
== R_SPARC_LOX10
3924 || r_type
== R_SPARC_GOTDATA_LOX10
3925 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
3929 relocation
+= rel
->r_addend
;
3930 if (r_type
== R_SPARC_LOX10
3931 || (bfd_signed_vma
) relocation
< 0)
3932 relocation
= (relocation
& 0x3ff) | 0x1c00;
3934 relocation
= (relocation
& 0x3ff);
3936 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3937 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3938 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3942 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
3943 && sec_do_relax (input_section
)
3944 && rel
->r_offset
+ 4 < input_section
->size
)
3948 #define XCC (2 << 20)
3949 #define COND(x) (((x)&0xf)<<25)
3950 #define CONDA COND(0x8)
3951 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3952 #define INSN_BA (F2(0,2) | CONDA)
3953 #define INSN_OR F3(2, 0x2, 0)
3954 #define INSN_NOP F2(0,4)
3958 /* If the instruction is a call with either:
3960 arithmetic instruction with rd == %o7
3961 where rs1 != %o7 and rs2 if it is register != %o7
3962 then we can optimize if the call destination is near
3963 by changing the call into a branch always. */
3964 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3965 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3966 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
3968 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
3969 || ((y
& OP3(0x28)) == 0 /* arithmetic */
3970 && (y
& RD(~0)) == RD(O7
)))
3971 && (y
& RS1(~0)) != RS1(O7
)
3973 || (y
& RS2(~0)) != RS2(O7
)))
3977 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
3978 reloc
-= (input_section
->output_section
->vma
3979 + input_section
->output_offset
);
3981 /* Ensure the branch fits into simm22. */
3982 if ((reloc
& 3) == 0
3983 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
3984 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
3988 /* Check whether it fits into simm19. */
3989 if (((reloc
& 0x3c0000) == 0
3990 || (reloc
& 0x3c0000) == 0x3c0000)
3991 && (ABI_64_P (output_bfd
)
3992 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
3993 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
3995 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
3996 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3998 if (rel
->r_offset
>= 4
3999 && (y
& (0xffffffff ^ RS1(~0)))
4000 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4005 z
= bfd_get_32 (input_bfd
,
4006 contents
+ rel
->r_offset
- 4);
4007 if ((z
& (0xffffffff ^ RD(~0)))
4008 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4016 If call foo was replaced with ba, replace
4017 or %rN, %g0, %o7 with nop. */
4019 reg
= (y
& RS1(~0)) >> 14;
4020 if (reg
!= ((z
& RD(~0)) >> 25)
4021 || reg
== G0
|| reg
== O7
)
4024 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4025 contents
+ rel
->r_offset
+ 4);
4033 if (r
== bfd_reloc_continue
)
4036 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4037 contents
, rel
->r_offset
,
4038 relocation
, rel
->r_addend
);
4040 if (r
!= bfd_reloc_ok
)
4045 case bfd_reloc_outofrange
:
4047 case bfd_reloc_overflow
:
4051 /* The Solaris native linker silently disregards overflows.
4052 We don't, but this breaks stabs debugging info, whose
4053 relocations are only 32-bits wide. Ignore overflows in
4054 this case and also for discarded entries. */
4055 if ((r_type
== R_SPARC_32
4056 || r_type
== R_SPARC_UA32
4057 || r_type
== R_SPARC_DISP32
)
4058 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4059 && strcmp (bfd_section_name (input_section
),
4061 || _bfd_elf_section_offset (output_bfd
, info
,
4069 /* Assume this is a call protected by other code that
4070 detect the symbol is undefined. If this is the case,
4071 we can safely ignore the overflow. If not, the
4072 program is hosed anyway, and a little warning isn't
4074 if (h
->root
.type
== bfd_link_hash_undefweak
4075 && howto
->pc_relative
)
4082 name
= bfd_elf_string_from_elf_section (input_bfd
,
4083 symtab_hdr
->sh_link
,
4088 name
= bfd_section_name (sec
);
4090 (*info
->callbacks
->reloc_overflow
)
4091 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4092 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4102 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4103 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4104 is the offset of the associated .got.plt entry from
4105 _GLOBAL_OFFSET_TABLE_. */
4108 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4109 bfd_vma plt_offset
, bfd_vma plt_index
,
4113 const bfd_vma
*plt_entry
;
4114 struct _bfd_sparc_elf_link_hash_table
*htab
;
4116 Elf_Internal_Rela rela
;
4118 htab
= _bfd_sparc_elf_hash_table (info
);
4119 BFD_ASSERT (htab
!= NULL
);
4121 if (bfd_link_pic (info
))
4123 plt_entry
= sparc_vxworks_shared_plt_entry
;
4128 plt_entry
= sparc_vxworks_exec_plt_entry
;
4129 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4130 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4131 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4134 /* Fill in the entry in the procedure linkage table. */
4135 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4136 htab
->elf
.splt
->contents
+ plt_offset
);
4137 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4138 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4139 bfd_put_32 (output_bfd
, plt_entry
[2],
4140 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4141 bfd_put_32 (output_bfd
, plt_entry
[3],
4142 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4143 bfd_put_32 (output_bfd
, plt_entry
[4],
4144 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4145 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4146 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4147 /* PC-relative displacement for a branch to the start of
4149 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4151 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4152 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4153 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4155 /* Fill in the .got.plt entry, pointing initially at the
4156 second half of the PLT entry. */
4157 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4158 bfd_put_32 (output_bfd
,
4159 htab
->elf
.splt
->output_section
->vma
4160 + htab
->elf
.splt
->output_offset
4162 htab
->elf
.sgotplt
->contents
+ got_offset
);
4164 /* Add relocations to .rela.plt.unloaded. */
4165 if (!bfd_link_pic (info
))
4167 loc
= (htab
->srelplt2
->contents
4168 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4170 /* Relocate the initial sethi. */
4171 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4172 + htab
->elf
.splt
->output_offset
4174 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4175 rela
.r_addend
= got_offset
;
4176 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4177 loc
+= sizeof (Elf32_External_Rela
);
4179 /* Likewise the following or. */
4181 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4182 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4183 loc
+= sizeof (Elf32_External_Rela
);
4185 /* Relocate the .got.plt entry. */
4186 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4187 + htab
->elf
.sgotplt
->output_offset
4189 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4190 rela
.r_addend
= plt_offset
+ 20;
4191 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4195 /* Finish up dynamic symbol handling. We set the contents of various
4196 dynamic sections here. */
4199 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4200 struct bfd_link_info
*info
,
4201 struct elf_link_hash_entry
*h
,
4202 Elf_Internal_Sym
*sym
)
4204 struct _bfd_sparc_elf_link_hash_table
*htab
;
4205 const struct elf_backend_data
*bed
;
4206 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4207 bfd_boolean resolved_to_zero
;
4209 htab
= _bfd_sparc_elf_hash_table (info
);
4210 BFD_ASSERT (htab
!= NULL
);
4211 bed
= get_elf_backend_data (output_bfd
);
4213 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4215 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4216 resolved undefined weak symbols in executable so that their
4217 references have value 0 at run-time. */
4218 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4220 if (h
->plt
.offset
!= (bfd_vma
) -1)
4224 Elf_Internal_Rela rela
;
4226 bfd_vma r_offset
, got_offset
;
4229 /* When building a static executable, use .iplt and
4230 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4231 if (htab
->elf
.splt
!= NULL
)
4233 splt
= htab
->elf
.splt
;
4234 srela
= htab
->elf
.srelplt
;
4238 splt
= htab
->elf
.iplt
;
4239 srela
= htab
->elf
.irelplt
;
4242 if (splt
== NULL
|| srela
== NULL
)
4245 /* Fill in the entry in the .rela.plt section. */
4246 if (htab
->elf
.target_os
== is_vxworks
)
4248 /* Work out the index of this PLT entry. */
4249 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4250 / htab
->plt_entry_size
);
4252 /* Calculate the offset of the associated .got.plt entry.
4253 The first three entries are reserved. */
4254 got_offset
= (rela_index
+ 3) * 4;
4256 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4257 rela_index
, got_offset
);
4260 /* On VxWorks, the relocation points to the .got.plt entry,
4261 not the .plt entry. */
4262 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4263 + htab
->elf
.sgotplt
->output_offset
4266 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4271 bfd_boolean ifunc
= FALSE
;
4273 /* Fill in the entry in the procedure linkage table. */
4274 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4275 h
->plt
.offset
, splt
->size
,
4280 || ((bfd_link_executable (info
)
4281 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4283 && h
->type
== STT_GNU_IFUNC
))
4286 BFD_ASSERT (h
== NULL
4287 || (h
->type
== STT_GNU_IFUNC
4289 && (h
->root
.type
== bfd_link_hash_defined
4290 || h
->root
.type
== bfd_link_hash_defweak
)));
4293 rela
.r_offset
= r_offset
4294 + (splt
->output_section
->vma
+ splt
->output_offset
);
4295 if (ABI_64_P (output_bfd
)
4296 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4300 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4301 + h
->root
.u
.def
.section
->output_offset
4302 + h
->root
.u
.def
.value
);
4303 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4308 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4309 - splt
->output_section
->vma
4310 - splt
->output_offset
);
4311 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4319 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4320 + h
->root
.u
.def
.section
->output_offset
4321 + h
->root
.u
.def
.value
);
4322 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4328 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4334 /* Adjust for the first 4 reserved elements in the .plt section
4335 when setting the offset in the .rela.plt section.
4336 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4337 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4339 loc
= srela
->contents
;
4340 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4341 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4343 if (!resolved_to_zero
&& !h
->def_regular
)
4345 /* Mark the symbol as undefined, rather than as defined in
4346 the .plt section. Leave the value alone. */
4347 sym
->st_shndx
= SHN_UNDEF
;
4348 /* If the symbol is weak, we do need to clear the value.
4349 Otherwise, the PLT entry would provide a definition for
4350 the symbol even if the symbol wasn't defined anywhere,
4351 and so the symbol would never be NULL. */
4352 if (!h
->ref_regular_nonweak
)
4357 /* Don't generate dynamic GOT relocation against resolved undefined weak
4358 symbols in an executable. */
4359 if (h
->got
.offset
!= (bfd_vma
) -1
4360 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4361 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4362 && !(h
->root
.type
== bfd_link_hash_undefweak
4363 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
4364 || resolved_to_zero
)))
4368 Elf_Internal_Rela rela
;
4370 /* This symbol has an entry in the GOT. Set it up. */
4372 sgot
= htab
->elf
.sgot
;
4373 srela
= htab
->elf
.srelgot
;
4374 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4376 rela
.r_offset
= (sgot
->output_section
->vma
4377 + sgot
->output_offset
4378 + (h
->got
.offset
&~ (bfd_vma
) 1));
4380 /* If this is a -Bsymbolic link, and the symbol is defined
4381 locally, we just want to emit a RELATIVE reloc. Likewise if
4382 the symbol was forced to be local because of a version file.
4383 The entry in the global offset table will already have been
4384 initialized in the relocate_section function. */
4385 if (! bfd_link_pic (info
)
4386 && h
->type
== STT_GNU_IFUNC
4391 /* We load the GOT entry with the PLT entry. */
4392 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4393 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4394 (plt
->output_section
->vma
4395 + plt
->output_offset
+ h
->plt
.offset
),
4396 htab
->elf
.sgot
->contents
4397 + (h
->got
.offset
& ~(bfd_vma
) 1));
4401 if (bfd_link_pic (info
) && SYMBOL_REFERENCES_LOCAL (info
, h
))
4403 asection
*sec
= h
->root
.u
.def
.section
;
4404 if (h
->type
== STT_GNU_IFUNC
)
4405 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4407 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4408 rela
.r_addend
= (h
->root
.u
.def
.value
4409 + sec
->output_section
->vma
4410 + sec
->output_offset
);
4414 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4418 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4419 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4420 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4426 Elf_Internal_Rela rela
;
4428 /* This symbols needs a copy reloc. Set it up. */
4429 BFD_ASSERT (h
->dynindx
!= -1);
4431 rela
.r_offset
= (h
->root
.u
.def
.value
4432 + h
->root
.u
.def
.section
->output_section
->vma
4433 + h
->root
.u
.def
.section
->output_offset
);
4434 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4436 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4437 s
= htab
->elf
.sreldynrelro
;
4439 s
= htab
->elf
.srelbss
;
4440 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4443 /* Mark some specially defined symbols as absolute. On VxWorks,
4444 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4445 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4447 && (h
== htab
->elf
.hdynamic
4448 || (htab
->elf
.target_os
!= is_vxworks
4449 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4450 sym
->st_shndx
= SHN_ABS
;
4455 /* Finish up the dynamic sections. */
4458 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4459 bfd
*dynobj
, asection
*sdyn
,
4460 asection
*splt ATTRIBUTE_UNUSED
)
4462 struct _bfd_sparc_elf_link_hash_table
*htab
;
4463 const struct elf_backend_data
*bed
;
4464 bfd_byte
*dyncon
, *dynconend
;
4466 int stt_regidx
= -1;
4467 bfd_boolean abi_64_p
;
4469 htab
= _bfd_sparc_elf_hash_table (info
);
4470 BFD_ASSERT (htab
!= NULL
);
4471 bed
= get_elf_backend_data (output_bfd
);
4472 dynsize
= bed
->s
->sizeof_dyn
;
4473 dynconend
= sdyn
->contents
+ sdyn
->size
;
4474 abi_64_p
= ABI_64_P (output_bfd
);
4475 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4477 Elf_Internal_Dyn dyn
;
4480 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4482 if (htab
->elf
.target_os
== is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4484 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4485 not to the start of the PLT. */
4486 if (htab
->elf
.sgotplt
)
4488 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4489 + htab
->elf
.sgotplt
->output_offset
);
4490 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4493 else if (htab
->elf
.target_os
== is_vxworks
4494 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4495 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4496 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4498 if (stt_regidx
== -1)
4501 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4502 if (stt_regidx
== -1)
4505 dyn
.d_un
.d_val
= stt_regidx
++;
4506 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4519 s
= htab
->elf
.srelplt
;
4523 s
= htab
->elf
.srelplt
;
4535 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4537 dyn
.d_un
.d_val
= s
->size
;
4539 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4545 /* Install the first PLT entry in a VxWorks executable and make sure that
4546 .rela.plt.unloaded relocations have the correct symbol indexes. */
4549 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4551 struct _bfd_sparc_elf_link_hash_table
*htab
;
4552 Elf_Internal_Rela rela
;
4556 htab
= _bfd_sparc_elf_hash_table (info
);
4557 BFD_ASSERT (htab
!= NULL
);
4559 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4560 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4561 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4562 + htab
->elf
.hgot
->root
.u
.def
.value
);
4564 /* Install the initial PLT entry. */
4565 bfd_put_32 (output_bfd
,
4566 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4567 htab
->elf
.splt
->contents
);
4568 bfd_put_32 (output_bfd
,
4569 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4570 htab
->elf
.splt
->contents
+ 4);
4571 bfd_put_32 (output_bfd
,
4572 sparc_vxworks_exec_plt0_entry
[2],
4573 htab
->elf
.splt
->contents
+ 8);
4574 bfd_put_32 (output_bfd
,
4575 sparc_vxworks_exec_plt0_entry
[3],
4576 htab
->elf
.splt
->contents
+ 12);
4577 bfd_put_32 (output_bfd
,
4578 sparc_vxworks_exec_plt0_entry
[4],
4579 htab
->elf
.splt
->contents
+ 16);
4581 loc
= htab
->srelplt2
->contents
;
4583 /* Add an unloaded relocation for the initial entry's "sethi". */
4584 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4585 + htab
->elf
.splt
->output_offset
);
4586 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4588 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4589 loc
+= sizeof (Elf32_External_Rela
);
4591 /* Likewise the following "or". */
4593 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4594 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4595 loc
+= sizeof (Elf32_External_Rela
);
4597 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4598 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4599 in which symbols were output. */
4600 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4602 Elf_Internal_Rela rel
;
4604 /* The entry's initial "sethi" (against _G_O_T_). */
4605 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4606 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4607 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4608 loc
+= sizeof (Elf32_External_Rela
);
4610 /* The following "or" (also against _G_O_T_). */
4611 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4612 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4613 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4614 loc
+= sizeof (Elf32_External_Rela
);
4616 /* The .got.plt entry (against _P_L_T_). */
4617 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4618 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4619 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4620 loc
+= sizeof (Elf32_External_Rela
);
4624 /* Install the first PLT entry in a VxWorks shared object. */
4627 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4629 struct _bfd_sparc_elf_link_hash_table
*htab
;
4632 htab
= _bfd_sparc_elf_hash_table (info
);
4633 BFD_ASSERT (htab
!= NULL
);
4635 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4636 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4637 htab
->elf
.splt
->contents
+ i
* 4);
4640 /* Finish up local dynamic symbol handling. We set the contents of
4641 various dynamic sections here. */
4644 finish_local_dynamic_symbol (void **slot
, void *inf
)
4646 struct elf_link_hash_entry
*h
4647 = (struct elf_link_hash_entry
*) *slot
;
4648 struct bfd_link_info
*info
4649 = (struct bfd_link_info
*) inf
;
4651 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4655 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4656 here since undefined weak symbol may not be dynamic and may not be
4657 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4660 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4663 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4664 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4666 if (h
->root
.type
!= bfd_link_hash_undefweak
4667 || h
->dynindx
!= -1)
4670 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4675 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4679 struct _bfd_sparc_elf_link_hash_table
*htab
;
4681 htab
= _bfd_sparc_elf_hash_table (info
);
4682 BFD_ASSERT (htab
!= NULL
);
4683 dynobj
= htab
->elf
.dynobj
;
4685 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4686 entries at the end of the dynlocal list, so they came at the end
4687 of the local symbols in the symtab. Except that they aren't
4688 STB_LOCAL, so we need to back up symtab->sh_info. */
4689 if (ABI_64_P (output_bfd
)
4690 && elf_hash_table (info
)->dynlocal
)
4692 asection
*dynsymsec
= bfd_get_linker_section (dynobj
, ".dynsym");
4693 struct elf_link_local_dynamic_entry
*e
;
4695 for (e
= elf_hash_table (info
)->dynlocal
; e
; e
= e
->next
)
4696 if (e
->input_indx
== -1)
4699 elf_section_data (dynsymsec
->output_section
)->this_hdr
.sh_info
4703 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4705 if (elf_hash_table (info
)->dynamic_sections_created
)
4709 splt
= htab
->elf
.splt
;
4710 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4712 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4715 /* Initialize the contents of the .plt section. */
4718 if (htab
->elf
.target_os
== is_vxworks
)
4720 if (bfd_link_pic (info
))
4721 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4723 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4727 memset (splt
->contents
, 0, htab
->plt_header_size
);
4728 if (!ABI_64_P (output_bfd
))
4729 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4730 splt
->contents
+ splt
->size
- 4);
4734 if (elf_section_data (splt
->output_section
) != NULL
)
4735 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4736 = ((htab
->elf
.target_os
== is_vxworks
4737 || !ABI_64_P (output_bfd
))
4738 ? 0 : htab
->plt_entry_size
);
4741 /* Set the first entry in the global offset table to the address of
4742 the dynamic section. */
4743 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4745 bfd_vma val
= (sdyn
?
4746 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4749 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4753 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4754 SPARC_ELF_WORD_BYTES (htab
);
4756 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4757 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4759 /* Fill PLT entries for undefined weak symbols in PIE. */
4760 if (bfd_link_pie (info
))
4761 bfd_hash_traverse (&info
->hash
->table
,
4762 pie_finish_undefweak_symbol
,
4768 /* Set the right machine number for a SPARC ELF file. */
4771 _bfd_sparc_elf_object_p (bfd
*abfd
)
4773 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4774 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4775 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4777 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4778 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4779 | ELF_SPARC_HWCAP_VIS3
4780 | ELF_SPARC_HWCAP_HPC
);
4781 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4782 | ELF_SPARC_HWCAP_DES
4783 | ELF_SPARC_HWCAP_KASUMI
4784 | ELF_SPARC_HWCAP_CAMELLIA
4785 | ELF_SPARC_HWCAP_MD5
4786 | ELF_SPARC_HWCAP_SHA1
4787 | ELF_SPARC_HWCAP_SHA256
4788 | ELF_SPARC_HWCAP_SHA512
4789 | ELF_SPARC_HWCAP_MPMUL
4790 | ELF_SPARC_HWCAP_MONT
4791 | ELF_SPARC_HWCAP_CRC32C
4792 | ELF_SPARC_HWCAP_CBCOND
4793 | ELF_SPARC_HWCAP_PAUSE
);
4794 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4795 | ELF_SPARC_HWCAP_IMA
);
4796 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4797 | ELF_SPARC_HWCAP2_MWAIT
4798 | ELF_SPARC_HWCAP2_XMPMUL
4799 | ELF_SPARC_HWCAP2_XMONT
);
4800 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4801 | ELF_SPARC_HWCAP2_ONADDSUB
4802 | ELF_SPARC_HWCAP2_ONMUL
4803 | ELF_SPARC_HWCAP2_ONDIV
4804 | ELF_SPARC_HWCAP2_DICTUNP
4805 | ELF_SPARC_HWCAP2_FPCMPSHL
4806 | ELF_SPARC_HWCAP2_RLE
4807 | ELF_SPARC_HWCAP2_SHA3
);
4809 if (ABI_64_P (abfd
))
4811 unsigned long mach
= bfd_mach_sparc_v9
;
4813 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4814 mach
= bfd_mach_sparc_v9m8
;
4815 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4816 mach
= bfd_mach_sparc_v9m
;
4817 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4818 mach
= bfd_mach_sparc_v9v
;
4819 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4820 mach
= bfd_mach_sparc_v9e
;
4821 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4822 mach
= bfd_mach_sparc_v9d
;
4823 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4824 mach
= bfd_mach_sparc_v9c
;
4825 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4826 mach
= bfd_mach_sparc_v9b
;
4827 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4828 mach
= bfd_mach_sparc_v9a
;
4829 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4833 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4835 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4836 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4837 bfd_mach_sparc_v8plusm8
);
4838 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4839 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4840 bfd_mach_sparc_v8plusm
);
4841 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4842 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4843 bfd_mach_sparc_v8plusv
);
4844 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4845 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4846 bfd_mach_sparc_v8pluse
);
4847 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4848 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4849 bfd_mach_sparc_v8plusd
);
4850 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4851 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4852 bfd_mach_sparc_v8plusc
);
4853 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4854 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4855 bfd_mach_sparc_v8plusb
);
4856 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4857 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4858 bfd_mach_sparc_v8plusa
);
4859 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4860 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4861 bfd_mach_sparc_v8plus
);
4865 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4866 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4867 bfd_mach_sparc_sparclite_le
);
4869 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4873 /* Return address for Ith PLT stub in section PLT, for relocation REL
4874 or (bfd_vma) -1 if it should not be included. */
4877 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4879 if (ABI_64_P (plt
->owner
))
4883 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4884 if (i
< PLT64_LARGE_THRESHOLD
)
4885 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4887 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4889 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4892 return rel
->address
;
4895 /* Merge backend specific data from an object file to the output
4896 object file when linking. */
4899 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
4901 bfd
*obfd
= info
->output_bfd
;
4902 obj_attribute
*in_attr
, *in_attrs
;
4903 obj_attribute
*out_attr
, *out_attrs
;
4905 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
4907 /* This is the first object. Copy the attributes. */
4908 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
4910 /* Use the Tag_null value to indicate the attributes have been
4912 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
4917 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
4918 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
4920 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
4921 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
4923 out_attr
->i
|= in_attr
->i
;
4926 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4927 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4929 out_attr
->i
|= in_attr
->i
;
4932 /* Merge Tag_compatibility attributes and any common GNU ones. */
4933 _bfd_elf_merge_object_attributes (ibfd
, info
);