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
->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
->sym_cache
, abfd
, r_symndx
);
1398 /* Check relocation against local STT_GNU_IFUNC symbol. */
1399 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1401 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
, TRUE
);
1405 /* Fake a STT_GNU_IFUNC symbol. */
1406 h
->type
= STT_GNU_IFUNC
;
1409 h
->forced_local
= 1;
1410 h
->root
.type
= bfd_link_hash_defined
;
1417 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1418 while (h
->root
.type
== bfd_link_hash_indirect
1419 || h
->root
.type
== bfd_link_hash_warning
)
1420 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1423 if (h
&& h
->type
== STT_GNU_IFUNC
&& h
->def_regular
)
1426 h
->plt
.refcount
+= 1;
1429 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1430 with R_SPARC_TLS_GD_HI22. */
1431 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1434 case R_SPARC_TLS_GD_HI22
:
1436 const Elf_Internal_Rela
*relt
;
1438 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1439 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1440 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1441 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1443 checked_tlsgd
= TRUE
;
1444 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1447 case R_SPARC_TLS_GD_LO10
:
1448 case R_SPARC_TLS_GD_ADD
:
1449 case R_SPARC_TLS_GD_CALL
:
1450 checked_tlsgd
= TRUE
;
1451 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1455 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1456 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1460 case R_SPARC_TLS_LDM_HI22
:
1461 case R_SPARC_TLS_LDM_LO10
:
1462 htab
->tls_ldm_got
.refcount
+= 1;
1464 eh
->has_got_reloc
= 1;
1467 case R_SPARC_TLS_LE_HIX22
:
1468 case R_SPARC_TLS_LE_LOX10
:
1469 if (!bfd_link_executable (info
))
1473 case R_SPARC_TLS_IE_HI22
:
1474 case R_SPARC_TLS_IE_LO10
:
1475 if (!bfd_link_executable (info
))
1476 info
->flags
|= DF_STATIC_TLS
;
1482 case R_SPARC_GOTDATA_HIX22
:
1483 case R_SPARC_GOTDATA_LOX10
:
1484 case R_SPARC_GOTDATA_OP_HIX22
:
1485 case R_SPARC_GOTDATA_OP_LOX10
:
1486 case R_SPARC_TLS_GD_HI22
:
1487 case R_SPARC_TLS_GD_LO10
:
1488 /* This symbol requires a global offset table entry. */
1490 int tls_type
, old_tls_type
;
1494 case R_SPARC_TLS_GD_HI22
:
1495 case R_SPARC_TLS_GD_LO10
:
1496 tls_type
= GOT_TLS_GD
;
1498 case R_SPARC_TLS_IE_HI22
:
1499 case R_SPARC_TLS_IE_LO10
:
1500 tls_type
= GOT_TLS_IE
;
1503 tls_type
= GOT_NORMAL
;
1509 h
->got
.refcount
+= 1;
1510 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1514 bfd_signed_vma
*local_got_refcounts
;
1516 /* This is a global offset table entry for a local symbol. */
1517 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1518 if (local_got_refcounts
== NULL
)
1522 size
= symtab_hdr
->sh_info
;
1523 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1524 local_got_refcounts
= ((bfd_signed_vma
*)
1525 bfd_zalloc (abfd
, size
));
1526 if (local_got_refcounts
== NULL
)
1528 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1529 _bfd_sparc_elf_local_got_tls_type (abfd
)
1530 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1533 if (r_type
!= R_SPARC_GOTDATA_OP_HIX22
1534 && r_type
!= R_SPARC_GOTDATA_OP_LOX10
)
1535 local_got_refcounts
[r_symndx
] += 1;
1538 = _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1541 /* If a TLS symbol is accessed using IE at least once, there is no
1542 point in using the dynamic model for it. */
1543 if (old_tls_type
!= tls_type
)
1545 if (old_tls_type
== GOT_UNKNOWN
)
1547 else if (old_tls_type
== GOT_TLS_GD
&& tls_type
== GOT_TLS_IE
)
1549 else if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1550 tls_type
= old_tls_type
;
1554 /* xgettext:c-format */
1555 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1556 abfd
, h
? h
->root
.root
.string
: "<local>");
1561 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1563 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1568 && !_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1573 eh
->has_got_reloc
= 1;
1574 if (r_type
== R_SPARC_GOT10
1575 || r_type
== R_SPARC_GOT13
1576 || r_type
== R_SPARC_GOT22
)
1577 eh
->has_old_style_got_reloc
= 1;
1581 case R_SPARC_TLS_GD_CALL
:
1582 case R_SPARC_TLS_LDM_CALL
:
1583 if (bfd_link_executable (info
))
1586 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1587 h
= (struct elf_link_hash_entry
*)
1588 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
1590 BFD_ASSERT (h
!= NULL
);
1593 case R_SPARC_WPLT30
:
1596 case R_SPARC_HIPLT22
:
1597 case R_SPARC_LOPLT10
:
1598 case R_SPARC_PCPLT32
:
1599 case R_SPARC_PCPLT22
:
1600 case R_SPARC_PCPLT10
:
1601 /* This symbol requires a procedure linkage table entry.
1602 We actually build the entry in adjust_dynamic_symbol,
1603 because this might be a case of linking PIC code without
1604 linking in any dynamic objects, in which case we don't
1605 need to generate a procedure linkage table after all. */
1609 if (! ABI_64_P (abfd
))
1611 /* The Solaris native assembler will generate a WPLT30
1612 reloc for a local symbol if you assemble a call from
1613 one section to another when using -K pic. We treat
1615 if (r_type
== R_SPARC_PLT32
)
1619 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1620 else if (r_type
== R_SPARC_WPLT30
)
1623 /* It does not make sense to have a procedure linkage
1624 table entry for a local symbol. */
1625 bfd_set_error (bfd_error_bad_value
);
1631 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
1634 h
->plt
.refcount
+= 1;
1636 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1637 eh
->has_got_reloc
= 1;
1642 case R_SPARC_PC_HH22
:
1643 case R_SPARC_PC_HM10
:
1644 case R_SPARC_PC_LM22
:
1649 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1654 case R_SPARC_DISP16
:
1655 case R_SPARC_DISP32
:
1656 case R_SPARC_DISP64
:
1657 case R_SPARC_WDISP30
:
1658 case R_SPARC_WDISP22
:
1659 case R_SPARC_WDISP19
:
1660 case R_SPARC_WDISP16
:
1661 case R_SPARC_WDISP10
:
1691 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1692 eh
->has_non_got_reloc
= 1;
1695 if (h
!= NULL
&& !bfd_link_pic (info
))
1697 /* We may need a .plt entry if the function this reloc
1698 refers to is in a shared lib. */
1699 h
->plt
.refcount
+= 1;
1702 /* If we are creating a shared library, and this is a reloc
1703 against a global symbol, or a non PC relative reloc
1704 against a local symbol, then we need to copy the reloc
1705 into the shared library. However, if we are linking with
1706 -Bsymbolic, we do not need to copy a reloc against a
1707 global symbol which is defined in an object we are
1708 including in the link (i.e., DEF_REGULAR is set). At
1709 this point we have not seen all the input files, so it is
1710 possible that DEF_REGULAR is not set now but will be set
1711 later (it is never cleared). In case of a weak definition,
1712 DEF_REGULAR may be cleared later by a strong definition in
1713 a shared library. We account for that possibility below by
1714 storing information in the relocs_copied field of the hash
1715 table entry. A similar situation occurs when creating
1716 shared libraries and symbol visibility changes render the
1719 If on the other hand, we are creating an executable, we
1720 may need to keep relocations for symbols satisfied by a
1721 dynamic library if we manage to avoid copy relocs for the
1723 if ((bfd_link_pic (info
)
1724 && (sec
->flags
& SEC_ALLOC
) != 0
1725 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1727 && (! SYMBOLIC_BIND (info
, h
)
1728 || h
->root
.type
== bfd_link_hash_defweak
1729 || !h
->def_regular
))))
1730 || (!bfd_link_pic (info
)
1731 && (sec
->flags
& SEC_ALLOC
) != 0
1733 && (h
->root
.type
== bfd_link_hash_defweak
1734 || !h
->def_regular
))
1735 || (!bfd_link_pic (info
)
1737 && h
->type
== STT_GNU_IFUNC
))
1739 struct elf_dyn_relocs
*p
;
1740 struct elf_dyn_relocs
**head
;
1742 /* When creating a shared object, we must copy these
1743 relocs into the output file. We create a reloc
1744 section in dynobj and make room for the reloc. */
1747 sreloc
= _bfd_elf_make_dynamic_reloc_section
1748 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1749 abfd
, /*rela?*/ TRUE
);
1755 /* If this is a global symbol, we count the number of
1756 relocations we need for this symbol. */
1758 head
= &h
->dyn_relocs
;
1761 /* Track dynamic relocs needed for local syms too.
1762 We really need local syms available to do this
1767 BFD_ASSERT (isym
!= NULL
);
1768 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1772 vpp
= &elf_section_data (s
)->local_dynrel
;
1773 head
= (struct elf_dyn_relocs
**) vpp
;
1777 if (p
== NULL
|| p
->sec
!= sec
)
1779 size_t amt
= sizeof *p
;
1780 p
= ((struct elf_dyn_relocs
*)
1781 bfd_alloc (htab
->elf
.dynobj
, amt
));
1792 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1798 case R_SPARC_GNU_VTINHERIT
:
1799 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1803 case R_SPARC_GNU_VTENTRY
:
1804 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1808 case R_SPARC_REGISTER
:
1809 /* Nothing to do. */
1821 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1822 struct bfd_link_info
*info
,
1823 Elf_Internal_Rela
*rel
,
1824 struct elf_link_hash_entry
*h
,
1825 Elf_Internal_Sym
*sym
)
1828 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1830 case R_SPARC_GNU_VTINHERIT
:
1831 case R_SPARC_GNU_VTENTRY
:
1835 if (!bfd_link_executable (info
))
1837 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1839 case R_SPARC_TLS_GD_CALL
:
1840 case R_SPARC_TLS_LDM_CALL
:
1841 /* This reloc implicitly references __tls_get_addr. We know
1842 another reloc will reference the same symbol as the one
1843 on this reloc, so the real symbol and section will be
1844 gc marked when processing the other reloc. That lets
1845 us handle __tls_get_addr here. */
1846 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1847 FALSE
, FALSE
, TRUE
);
1848 BFD_ASSERT (h
!= NULL
);
1850 if (h
->is_weakalias
)
1851 weakdef (h
)->mark
= 1;
1856 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1859 static Elf_Internal_Rela
*
1860 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1861 Elf_Internal_Rela
*relend
,
1864 while (rel
< relend
)
1866 if (rel
->r_offset
== offset
)
1873 /* Remove undefined weak symbol from the dynamic symbol table if it
1874 is resolved to 0. */
1877 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1878 struct elf_link_hash_entry
*h
)
1880 if (h
->dynindx
!= -1
1881 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1882 _bfd_sparc_elf_hash_entry (h
)))
1885 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1891 /* Adjust a symbol defined by a dynamic object and referenced by a
1892 regular object. The current definition is in some section of the
1893 dynamic object, but we're not including those sections. We have to
1894 change the definition to something the rest of the link can
1898 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1899 struct elf_link_hash_entry
*h
)
1901 struct _bfd_sparc_elf_link_hash_table
*htab
;
1904 htab
= _bfd_sparc_elf_hash_table (info
);
1905 BFD_ASSERT (htab
!= NULL
);
1907 /* Make sure we know what is going on here. */
1908 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
1910 || h
->type
== STT_GNU_IFUNC
1914 && !h
->def_regular
)));
1916 /* If this is a function, put it in the procedure linkage table. We
1917 will fill in the contents of the procedure linkage table later
1918 (although we could actually do it here). The STT_NOTYPE
1919 condition is a hack specifically for the Oracle libraries
1920 delivered for Solaris; for some inexplicable reason, they define
1921 some of their functions as STT_NOTYPE when they really should be
1923 if (h
->type
== STT_FUNC
1924 || h
->type
== STT_GNU_IFUNC
1926 || (h
->type
== STT_NOTYPE
1927 && (h
->root
.type
== bfd_link_hash_defined
1928 || h
->root
.type
== bfd_link_hash_defweak
)
1929 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
1931 if (h
->plt
.refcount
<= 0
1932 || (h
->type
!= STT_GNU_IFUNC
1933 && (SYMBOL_CALLS_LOCAL (info
, h
)
1934 || (h
->root
.type
== bfd_link_hash_undefweak
1935 && ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
))))
1937 /* This case can occur if we saw a WPLT30 reloc in an input
1938 file, but the symbol was never referred to by a dynamic
1939 object, or if all references were garbage collected. In
1940 such a case, we don't actually need to build a procedure
1941 linkage table, and we can just do a WDISP30 reloc instead. */
1942 h
->plt
.offset
= (bfd_vma
) -1;
1949 h
->plt
.offset
= (bfd_vma
) -1;
1951 /* If this is a weak symbol, and there is a real definition, the
1952 processor independent code will have arranged for us to see the
1953 real definition first, and we can just use the same value. */
1954 if (h
->is_weakalias
)
1956 struct elf_link_hash_entry
*def
= weakdef (h
);
1957 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
1958 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
1959 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
1963 /* This is a reference to a symbol defined by a dynamic object which
1964 is not a function. */
1966 /* If we are creating a shared library, we must presume that the
1967 only references to the symbol are via the global offset table.
1968 For such cases we need not do anything here; the relocations will
1969 be handled correctly by relocate_section. */
1970 if (bfd_link_pic (info
))
1973 /* If there are no references to this symbol that do not use the
1974 GOT, we don't need to generate a copy reloc. */
1975 if (!h
->non_got_ref
)
1978 /* If -z nocopyreloc was given, we won't generate them either. */
1979 if (info
->nocopyreloc
)
1985 /* If we don't find any dynamic relocs in read-only sections, then
1986 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1987 if (!_bfd_elf_readonly_dynrelocs (h
))
1993 /* We must allocate the symbol in our .dynbss section, which will
1994 become part of the .bss section of the executable. There will be
1995 an entry for this symbol in the .dynsym section. The dynamic
1996 object will contain position independent code, so all references
1997 from the dynamic object to this symbol will go through the global
1998 offset table. The dynamic linker will use the .dynsym entry to
1999 determine the address it must put in the global offset table, so
2000 both the dynamic object and the regular object will refer to the
2001 same memory location for the variable. */
2003 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2004 to copy the initial value out of the dynamic object and into the
2005 runtime process image. We need to remember the offset into the
2006 .rel.bss section we are going to use. */
2007 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2009 s
= htab
->elf
.sdynrelro
;
2010 srel
= htab
->elf
.sreldynrelro
;
2014 s
= htab
->elf
.sdynbss
;
2015 srel
= htab
->elf
.srelbss
;
2017 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2019 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2023 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2026 /* Allocate space in .plt, .got and associated reloc sections for
2030 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2032 struct bfd_link_info
*info
;
2033 struct _bfd_sparc_elf_link_hash_table
*htab
;
2034 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2035 struct elf_dyn_relocs
*p
;
2036 bfd_boolean resolved_to_zero
;
2038 if (h
->root
.type
== bfd_link_hash_indirect
)
2041 info
= (struct bfd_link_info
*) inf
;
2042 htab
= _bfd_sparc_elf_hash_table (info
);
2043 BFD_ASSERT (htab
!= NULL
);
2045 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2046 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2048 if ((htab
->elf
.dynamic_sections_created
2049 && h
->plt
.refcount
> 0)
2050 || (h
->type
== STT_GNU_IFUNC
2054 /* Undefined weak syms won't yet be marked as dynamic. */
2055 if (h
->root
.type
== bfd_link_hash_undefweak
2056 && !resolved_to_zero
2058 && !h
->forced_local
)
2060 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2064 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2065 || (h
->type
== STT_GNU_IFUNC
2068 asection
*s
= htab
->elf
.splt
;
2073 /* Allocate room for the header. */
2076 s
->size
= htab
->plt_header_size
;
2078 /* Allocate space for the .rela.plt.unloaded relocations. */
2079 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2080 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2083 /* The procedure linkage table size is bounded by the magnitude
2084 of the offset we can describe in the entry. */
2085 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2086 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2088 bfd_set_error (bfd_error_bad_value
);
2092 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2093 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2095 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2098 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2100 h
->plt
.offset
= (s
->size
- (off
* 8));
2103 h
->plt
.offset
= s
->size
;
2105 /* If this symbol is not defined in a regular file, and we are
2106 not generating a shared library, then set the symbol to this
2107 location in the .plt. This is required to make function
2108 pointers compare as equal between the normal executable and
2109 the shared library. */
2110 if (! bfd_link_pic (info
)
2113 h
->root
.u
.def
.section
= s
;
2114 h
->root
.u
.def
.value
= h
->plt
.offset
;
2117 /* Make room for this entry. */
2118 s
->size
+= htab
->plt_entry_size
;
2120 /* There should be no PLT relocations against resolved undefined
2121 weak symbols in the executable. */
2122 if (!resolved_to_zero
)
2124 /* We also need to make an entry in the .rela.plt section. */
2125 if (s
== htab
->elf
.splt
)
2126 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2128 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2131 if (htab
->is_vxworks
)
2133 /* Allocate space for the .got.plt entry. */
2134 htab
->elf
.sgotplt
->size
+= 4;
2136 /* ...and for the .rela.plt.unloaded relocations. */
2137 if (!bfd_link_pic (info
))
2138 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2143 h
->plt
.offset
= (bfd_vma
) -1;
2149 h
->plt
.offset
= (bfd_vma
) -1;
2153 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2154 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2155 if (h
->got
.refcount
> 0
2156 && bfd_link_executable (info
)
2158 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2159 h
->got
.offset
= (bfd_vma
) -1;
2160 else if (h
->got
.refcount
> 0)
2164 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2166 /* Undefined weak syms won't yet be marked as dynamic. */
2167 if (h
->root
.type
== bfd_link_hash_undefweak
2168 && !resolved_to_zero
2170 && !h
->forced_local
)
2172 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2177 h
->got
.offset
= s
->size
;
2178 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2179 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2180 if (tls_type
== GOT_TLS_GD
)
2181 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2182 dyn
= htab
->elf
.dynamic_sections_created
;
2183 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2184 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2185 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2186 || tls_type
== GOT_TLS_IE
2187 || h
->type
== STT_GNU_IFUNC
)
2188 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2189 else if (tls_type
== GOT_TLS_GD
)
2190 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2191 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, bfd_link_pic (info
), h
)
2192 /* Even if the symbol isn't dynamic, we may generate a
2193 reloc for the dynamic linker in PIC mode. */
2194 || (h
->dynindx
== -1
2196 && h
->root
.type
!= bfd_link_hash_undefweak
2197 && bfd_link_pic (info
)))
2198 /* No dynamic relocations are needed against resolved
2199 undefined weak symbols in an executable. */
2200 && !(h
->root
.type
== bfd_link_hash_undefweak
2201 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2202 || resolved_to_zero
)))
2203 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2206 h
->got
.offset
= (bfd_vma
) -1;
2208 if (h
->dyn_relocs
== NULL
)
2211 /* In the shared -Bsymbolic case, discard space allocated for
2212 dynamic pc-relative relocs against symbols which turn out to be
2213 defined in regular objects. For the normal shared case, discard
2214 space for pc-relative relocs that have become local due to symbol
2215 visibility changes. */
2217 if (bfd_link_pic (info
))
2219 if (SYMBOL_CALLS_LOCAL (info
, h
))
2221 struct elf_dyn_relocs
**pp
;
2223 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2225 p
->count
-= p
->pc_count
;
2234 if (htab
->is_vxworks
)
2236 struct elf_dyn_relocs
**pp
;
2238 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
; )
2240 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2247 /* Also discard relocs on undefined weak syms with non-default
2248 visibility or in PIE. */
2249 if (h
->dyn_relocs
!= NULL
2250 && h
->root
.type
== bfd_link_hash_undefweak
)
2252 /* An undefined weak symbol is never
2253 bound locally in a shared library. */
2255 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2256 || resolved_to_zero
)
2260 /* Keep dynamic non-GOT/non-PLT relocation so that we
2261 can branch to 0 without PLT. */
2262 struct elf_dyn_relocs
**pp
;
2264 for (pp
= &h
->dyn_relocs
; (p
= *pp
) != NULL
;)
2265 if (p
->pc_count
== 0)
2269 /* Remove other relocations. */
2270 p
->count
= p
->pc_count
;
2274 if (h
->dyn_relocs
!= NULL
)
2276 /* Make sure undefined weak symbols are output
2277 as dynamic symbols in PIEs for dynamic non-GOT
2278 non-PLT reloations. */
2279 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2284 h
->dyn_relocs
= NULL
;
2287 /* Make sure undefined weak symbols are output as a dynamic
2289 else if (h
->dynindx
== -1
2290 && !h
->forced_local
)
2292 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2299 /* For the non-shared case, discard space for relocs against
2300 symbols which turn out to need copy relocs or are not
2303 if ((!h
->non_got_ref
2304 || (h
->root
.type
== bfd_link_hash_undefweak
2305 && !resolved_to_zero
))
2308 || (htab
->elf
.dynamic_sections_created
2309 && (h
->root
.type
== bfd_link_hash_undefweak
2310 || h
->root
.type
== bfd_link_hash_undefined
))))
2312 /* Undefined weak syms won't yet be marked as dynamic. */
2313 if (h
->root
.type
== bfd_link_hash_undefweak
2314 && !resolved_to_zero
2316 && !h
->forced_local
)
2318 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2322 /* If that succeeded, we know we'll be keeping all the
2324 if (h
->dynindx
!= -1)
2328 h
->dyn_relocs
= NULL
;
2333 /* Finally, allocate space. */
2334 for (p
= h
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2336 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2337 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2343 /* Allocate space in .plt, .got and associated reloc sections for
2344 local dynamic relocs. */
2347 allocate_local_dynrelocs (void **slot
, void *inf
)
2349 struct elf_link_hash_entry
*h
2350 = (struct elf_link_hash_entry
*) *slot
;
2352 if (h
->type
!= STT_GNU_IFUNC
2356 || h
->root
.type
!= bfd_link_hash_defined
)
2359 return allocate_dynrelocs (h
, inf
);
2362 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2363 read-only sections. */
2366 maybe_set_textrel (struct elf_link_hash_entry
*h
, void *info_p
)
2370 if (h
->root
.type
== bfd_link_hash_indirect
)
2373 sec
= _bfd_elf_readonly_dynrelocs (h
);
2376 struct bfd_link_info
*info
= (struct bfd_link_info
*) info_p
;
2378 info
->flags
|= DF_TEXTREL
;
2379 info
->callbacks
->minfo
2380 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2381 sec
->owner
, h
->root
.root
.string
, sec
);
2383 /* Not an error, just cut short the traversal. */
2389 /* Return true if the dynamic symbol for a given section should be
2390 omitted when creating a shared library. */
2393 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2394 struct bfd_link_info
*info
,
2397 /* We keep the .got section symbol so that explicit relocations
2398 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2399 can be turned into relocations against the .got symbol. */
2400 if (strcmp (p
->name
, ".got") == 0)
2403 return _bfd_elf_omit_section_dynsym_default (output_bfd
, info
, p
);
2406 /* Set the sizes of the dynamic sections. */
2409 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2410 struct bfd_link_info
*info
)
2412 struct _bfd_sparc_elf_link_hash_table
*htab
;
2417 htab
= _bfd_sparc_elf_hash_table (info
);
2418 BFD_ASSERT (htab
!= NULL
);
2419 dynobj
= htab
->elf
.dynobj
;
2420 BFD_ASSERT (dynobj
!= NULL
);
2422 if (elf_hash_table (info
)->dynamic_sections_created
)
2424 /* Set the contents of the .interp section to the interpreter. */
2425 if (bfd_link_executable (info
) && !info
->nointerp
)
2427 s
= bfd_get_linker_section (dynobj
, ".interp");
2428 BFD_ASSERT (s
!= NULL
);
2429 s
->size
= htab
->dynamic_interpreter_size
;
2430 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2435 /* Set up .got offsets for local syms, and space for local dynamic
2437 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2439 bfd_signed_vma
*local_got
;
2440 bfd_signed_vma
*end_local_got
;
2441 char *local_tls_type
;
2442 bfd_size_type locsymcount
;
2443 Elf_Internal_Shdr
*symtab_hdr
;
2446 if (! is_sparc_elf (ibfd
))
2449 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2451 struct elf_dyn_relocs
*p
;
2453 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2455 if (!bfd_is_abs_section (p
->sec
)
2456 && bfd_is_abs_section (p
->sec
->output_section
))
2458 /* Input section has been discarded, either because
2459 it is a copy of a linkonce section or due to
2460 linker script /DISCARD/, so we'll be discarding
2463 else if (htab
->is_vxworks
2464 && strcmp (p
->sec
->output_section
->name
,
2467 /* Relocations in vxworks .tls_vars sections are
2468 handled specially by the loader. */
2470 else if (p
->count
!= 0)
2472 srel
= elf_section_data (p
->sec
)->sreloc
;
2473 if (!htab
->elf
.dynamic_sections_created
)
2474 srel
= htab
->elf
.irelplt
;
2475 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2476 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2478 info
->flags
|= DF_TEXTREL
;
2479 info
->callbacks
->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2480 p
->sec
->owner
, p
->sec
);
2486 local_got
= elf_local_got_refcounts (ibfd
);
2490 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2491 locsymcount
= symtab_hdr
->sh_info
;
2492 end_local_got
= local_got
+ locsymcount
;
2493 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2495 srel
= htab
->elf
.srelgot
;
2496 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2500 *local_got
= s
->size
;
2501 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2502 if (*local_tls_type
== GOT_TLS_GD
)
2503 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2504 if (bfd_link_pic (info
)
2505 || *local_tls_type
== GOT_TLS_GD
2506 || *local_tls_type
== GOT_TLS_IE
)
2507 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2510 *local_got
= (bfd_vma
) -1;
2514 if (htab
->tls_ldm_got
.refcount
> 0)
2516 /* Allocate 2 got entries and 1 dynamic reloc for
2517 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2518 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2519 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2520 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2523 htab
->tls_ldm_got
.offset
= -1;
2525 /* Allocate global sym .plt and .got entries, and space for global
2526 sym dynamic relocs. */
2527 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2529 /* Allocate .plt and .got entries, and space for local symbols. */
2530 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2532 if (! ABI_64_P (output_bfd
)
2533 && !htab
->is_vxworks
2534 && elf_hash_table (info
)->dynamic_sections_created
)
2536 /* Make space for the trailing nop in .plt. */
2537 if (htab
->elf
.splt
->size
> 0)
2538 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2540 /* If the .got section is more than 0x1000 bytes, we add
2541 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2542 bit relocations have a greater chance of working.
2544 FIXME: Make this optimization work for 64-bit too. */
2545 if (htab
->elf
.sgot
->size
>= 0x1000
2546 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2547 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2550 /* The check_relocs and adjust_dynamic_symbol entry points have
2551 determined the sizes of the various dynamic sections. Allocate
2553 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2555 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2558 if (s
== htab
->elf
.splt
2559 || s
== htab
->elf
.sgot
2560 || s
== htab
->elf
.sdynbss
2561 || s
== htab
->elf
.sdynrelro
2562 || s
== htab
->elf
.iplt
2563 || s
== htab
->elf
.sgotplt
)
2565 /* Strip this section if we don't need it; see the
2568 else if (CONST_STRNEQ (s
->name
, ".rela"))
2572 /* We use the reloc_count field as a counter if we need
2573 to copy relocs into the output file. */
2579 /* It's not one of our sections. */
2585 /* If we don't need this section, strip it from the
2586 output file. This is mostly to handle .rela.bss and
2587 .rela.plt. We must create both sections in
2588 create_dynamic_sections, because they must be created
2589 before the linker maps input sections to output
2590 sections. The linker does that before
2591 adjust_dynamic_symbol is called, and it is that
2592 function which decides whether anything needs to go
2593 into these sections. */
2594 s
->flags
|= SEC_EXCLUDE
;
2598 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2601 /* Allocate memory for the section contents. Zero the memory
2602 for the benefit of .rela.plt, which has 4 unused entries
2603 at the beginning, and we don't want garbage. */
2604 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2605 if (s
->contents
== NULL
)
2609 if (elf_hash_table (info
)->dynamic_sections_created
)
2611 /* Add some entries to the .dynamic section. We fill in the
2612 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2613 must add the entries now so that we get the correct size for
2614 the .dynamic section. The DT_DEBUG entry is filled in by the
2615 dynamic linker and used by the debugger. */
2616 #define add_dynamic_entry(TAG, VAL) \
2617 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2619 if (bfd_link_executable (info
))
2621 if (!add_dynamic_entry (DT_DEBUG
, 0))
2625 if (htab
->elf
.srelplt
->size
!= 0)
2627 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2628 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2629 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2630 || !add_dynamic_entry (DT_JMPREL
, 0))
2634 if (!add_dynamic_entry (DT_RELA
, 0)
2635 || !add_dynamic_entry (DT_RELASZ
, 0)
2636 || !add_dynamic_entry (DT_RELAENT
,
2637 SPARC_ELF_RELA_BYTES (htab
)))
2640 /* If any dynamic relocs apply to a read-only section,
2641 then we need a DT_TEXTREL entry. */
2642 if ((info
->flags
& DF_TEXTREL
) == 0)
2643 elf_link_hash_traverse (&htab
->elf
, maybe_set_textrel
, info
);
2645 if (info
->flags
& DF_TEXTREL
)
2647 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2651 if (ABI_64_P (output_bfd
))
2654 struct _bfd_sparc_elf_app_reg
* app_regs
;
2655 struct elf_strtab_hash
*dynstr
;
2656 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2658 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2659 entries if needed. */
2660 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2661 dynstr
= eht
->dynstr
;
2663 for (reg
= 0; reg
< 4; reg
++)
2664 if (app_regs
[reg
].name
!= NULL
)
2666 struct elf_link_local_dynamic_entry
*entry
, *e
;
2668 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2671 entry
= (struct elf_link_local_dynamic_entry
*)
2672 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2676 /* We cheat here a little bit: the symbol will not be local, so we
2677 put it at the end of the dynlocal linked list. We will fix it
2678 later on, as we have to fix other fields anyway. */
2679 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2680 entry
->isym
.st_size
= 0;
2681 if (*app_regs
[reg
].name
!= '\0')
2683 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2685 entry
->isym
.st_name
= 0;
2686 entry
->isym
.st_other
= 0;
2687 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2689 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2690 entry
->isym
.st_target_internal
= 0;
2692 entry
->input_bfd
= output_bfd
;
2693 entry
->input_indx
= -1;
2695 if (eht
->dynlocal
== NULL
)
2696 eht
->dynlocal
= entry
;
2699 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2706 if (htab
->is_vxworks
2707 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2710 #undef add_dynamic_entry
2716 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2718 if (!sec
->used_by_bfd
)
2720 struct _bfd_sparc_elf_section_data
*sdata
;
2721 size_t amt
= sizeof (*sdata
);
2723 sdata
= bfd_zalloc (abfd
, amt
);
2726 sec
->used_by_bfd
= sdata
;
2729 return _bfd_elf_new_section_hook (abfd
, sec
);
2733 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2734 struct bfd_section
*section
,
2735 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2738 if (bfd_link_relocatable (link_info
))
2739 (*link_info
->callbacks
->einfo
)
2740 (_("%P%F: --relax and -r may not be used together\n"));
2743 sec_do_relax (section
) = 1;
2747 /* Return the base VMA address which should be subtracted from real addresses
2748 when resolving @dtpoff relocation.
2749 This is PT_TLS segment p_vaddr. */
2752 dtpoff_base (struct bfd_link_info
*info
)
2754 /* If tls_sec is NULL, we should have signalled an error already. */
2755 if (elf_hash_table (info
)->tls_sec
== NULL
)
2757 return elf_hash_table (info
)->tls_sec
->vma
;
2760 /* Return the relocation value for @tpoff relocation
2761 if STT_TLS virtual address is ADDRESS. */
2764 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2766 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2767 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2768 bfd_vma static_tls_size
;
2770 /* If tls_sec is NULL, we should have signalled an error already. */
2771 if (htab
->tls_sec
== NULL
)
2774 /* Consider special static TLS alignment requirements. */
2775 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2776 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2779 /* Return the relocation value for a %gdop relocation. */
2782 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2784 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2787 got_base
= (htab
->hgot
->root
.u
.def
.value
2788 + htab
->hgot
->root
.u
.def
.section
->output_offset
2789 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2791 return address
- got_base
;
2794 /* Return whether H is local and its ADDRESS is within 4G of
2795 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2796 sethi, xor sequence. */
2799 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2800 struct elf_link_hash_entry
*h
,
2801 bfd_vma address ATTRIBUTE_UNUSED
)
2803 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2805 /* If H is undefined, ADDRESS will be zero. We can't allow a
2806 relative offset to "zero" when producing PIEs or shared libs.
2807 Note that to get here with an undefined symbol it must also be
2808 hidden or internal visibility. */
2809 if (bfd_link_pic (info
)
2811 && (h
->root
.type
== bfd_link_hash_undefweak
2812 || h
->root
.type
== bfd_link_hash_undefined
))
2815 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2821 /* Relocate a SPARC ELF section. */
2824 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2825 struct bfd_link_info
*info
,
2827 asection
*input_section
,
2829 Elf_Internal_Rela
*relocs
,
2830 Elf_Internal_Sym
*local_syms
,
2831 asection
**local_sections
)
2833 struct _bfd_sparc_elf_link_hash_table
*htab
;
2834 Elf_Internal_Shdr
*symtab_hdr
;
2835 struct elf_link_hash_entry
**sym_hashes
;
2836 bfd_vma
*local_got_offsets
;
2839 Elf_Internal_Rela
*rel
;
2840 Elf_Internal_Rela
*relend
;
2842 bfd_boolean is_vxworks_tls
;
2844 htab
= _bfd_sparc_elf_hash_table (info
);
2845 BFD_ASSERT (htab
!= NULL
);
2846 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2847 sym_hashes
= elf_sym_hashes (input_bfd
);
2848 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2850 if (elf_hash_table (info
)->hgot
== NULL
)
2853 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2855 sreloc
= elf_section_data (input_section
)->sreloc
;
2856 /* We have to handle relocations in vxworks .tls_vars sections
2857 specially, because the dynamic loader is 'weird'. */
2858 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2859 && !strcmp (input_section
->output_section
->name
,
2863 if (ABI_64_P (output_bfd
))
2864 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2866 num_relocs
= input_section
->reloc_count
;
2867 relend
= relocs
+ num_relocs
;
2868 for (; rel
< relend
; rel
++)
2870 int r_type
, tls_type
;
2871 reloc_howto_type
*howto
;
2872 unsigned long r_symndx
;
2873 struct elf_link_hash_entry
*h
;
2874 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2875 Elf_Internal_Sym
*sym
;
2877 bfd_vma relocation
, off
;
2878 bfd_reloc_status_type r
;
2879 bfd_boolean is_plt
= FALSE
;
2880 bfd_boolean unresolved_reloc
;
2881 bfd_boolean resolved_to_zero
;
2882 bfd_boolean relative_reloc
;
2884 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2885 if (r_type
== R_SPARC_GNU_VTINHERIT
2886 || r_type
== R_SPARC_GNU_VTENTRY
)
2889 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2891 bfd_set_error (bfd_error_bad_value
);
2895 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2896 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2900 unresolved_reloc
= FALSE
;
2901 if (r_symndx
< symtab_hdr
->sh_info
)
2903 sym
= local_syms
+ r_symndx
;
2904 sec
= local_sections
[r_symndx
];
2905 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2907 if (!bfd_link_relocatable (info
)
2908 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
2910 /* Relocate against local STT_GNU_IFUNC symbol. */
2911 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
2916 /* Set STT_GNU_IFUNC symbol value. */
2917 h
->root
.u
.def
.value
= sym
->st_value
;
2918 h
->root
.u
.def
.section
= sec
;
2923 bfd_boolean warned
, ignored
;
2925 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2926 r_symndx
, symtab_hdr
, sym_hashes
,
2928 unresolved_reloc
, warned
, ignored
);
2931 /* To avoid generating warning messages about truncated
2932 relocations, set the relocation's address to be the same as
2933 the start of this section. */
2934 if (input_section
->output_section
!= NULL
)
2935 relocation
= input_section
->output_section
->vma
;
2941 if (sec
!= NULL
&& discarded_section (sec
))
2942 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
2943 rel
, 1, relend
, howto
, 0, contents
);
2945 if (bfd_link_relocatable (info
))
2949 && h
->type
== STT_GNU_IFUNC
2955 if ((input_section
->flags
& SEC_ALLOC
) == 0
2956 || h
->plt
.offset
== (bfd_vma
) -1)
2958 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
2959 STT_GNU_IFUNC symbol as STT_FUNC. */
2960 if (elf_section_type (input_section
) == SHT_NOTE
)
2965 plt_sec
= htab
->elf
.splt
;
2967 plt_sec
=htab
->elf
.iplt
;
2971 case R_SPARC_GOTDATA_OP
:
2974 case R_SPARC_GOTDATA_OP_HIX22
:
2975 case R_SPARC_GOTDATA_OP_LOX10
:
2976 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
2979 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2985 if (htab
->elf
.sgot
== NULL
)
2987 off
= h
->got
.offset
;
2988 if (off
== (bfd_vma
) -1)
2990 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
2993 case R_SPARC_WPLT30
:
2994 case R_SPARC_WDISP30
:
2995 relocation
= (plt_sec
->output_section
->vma
2996 + plt_sec
->output_offset
+ h
->plt
.offset
);
3001 if (bfd_link_pic (info
) && h
->non_got_ref
)
3003 Elf_Internal_Rela outrel
;
3006 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3009 if (offset
== (bfd_vma
) -1
3010 || offset
== (bfd_vma
) -2)
3013 outrel
.r_offset
= (input_section
->output_section
->vma
3014 + input_section
->output_offset
3017 if (h
->dynindx
== -1
3019 || bfd_link_executable (info
))
3021 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3022 0, R_SPARC_IRELATIVE
);
3023 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3027 if (h
->dynindx
== -1)
3029 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3030 outrel
.r_addend
= rel
->r_addend
;
3033 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3037 relocation
= (plt_sec
->output_section
->vma
3038 + plt_sec
->output_offset
+ h
->plt
.offset
);
3043 /* We should only see such relocs in static links. */
3044 if (bfd_link_pic (info
))
3046 relocation
= (plt_sec
->output_section
->vma
3047 + plt_sec
->output_offset
+ h
->plt
.offset
);
3051 if (h
->root
.root
.string
)
3052 name
= h
->root
.root
.string
;
3054 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3057 /* xgettext:c-format */
3058 (_("%pB: relocation %s against STT_GNU_IFUNC "
3059 "symbol `%s' isn't handled by %s"), input_bfd
,
3060 _bfd_sparc_elf_howto_table
[r_type
].name
,
3061 name
, __FUNCTION__
);
3062 bfd_set_error (bfd_error_bad_value
);
3068 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3069 resolved_to_zero
= eh
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
3073 case R_SPARC_GOTDATA_OP_HIX22
:
3074 case R_SPARC_GOTDATA_OP_LOX10
:
3075 if (gdop_relative_offset_ok (info
, h
, relocation
))
3077 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3078 ? R_SPARC_GOTDATA_HIX22
3079 : R_SPARC_GOTDATA_LOX10
);
3080 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3084 case R_SPARC_GOTDATA_OP
:
3085 if (gdop_relative_offset_ok (info
, h
, relocation
))
3087 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3089 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3090 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3091 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3093 /* If the symbol is global but not dynamic, an .rela.* slot has
3094 been allocated for it in the GOT so output R_SPARC_NONE here,
3095 if it isn't also subject to another, old-style GOT relocation.
3096 See also the handling of these GOT relocations just below. */
3100 && h
->root
.type
!= bfd_link_hash_undefweak
3101 && !eh
->has_old_style_got_reloc
3102 && (h
->got
.offset
& 1) == 0
3103 && bfd_link_pic (info
))
3105 asection
*s
= htab
->elf
.srelgot
;
3106 Elf_Internal_Rela outrel
;
3108 BFD_ASSERT (s
!= NULL
);
3110 memset (&outrel
, 0, sizeof outrel
);
3111 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3120 case R_SPARC_GOTDATA_HIX22
:
3121 case R_SPARC_GOTDATA_LOX10
:
3122 relocation
= gdopoff (info
, relocation
);
3125 case R_SPARC_GOTDATA_OP_HIX22
:
3126 case R_SPARC_GOTDATA_OP_LOX10
:
3130 /* Relocation is to the entry for this symbol in the global
3132 if (htab
->elf
.sgot
== NULL
)
3135 relative_reloc
= FALSE
;
3140 off
= h
->got
.offset
;
3141 BFD_ASSERT (off
!= (bfd_vma
) -1);
3142 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3144 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3145 bfd_link_pic (info
),
3147 || (bfd_link_pic (info
)
3148 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3150 /* This is actually a static link, or it is a
3151 -Bsymbolic link and the symbol is defined
3152 locally, or the symbol was forced to be local
3153 because of a version file. We must initialize
3154 this entry in the global offset table. Since the
3155 offset must always be a multiple of 8 for 64-bit
3156 and 4 for 32-bit, we use the least significant bit
3157 to record whether we have initialized it already.
3159 When doing a dynamic link, we create a .rela.got
3160 relocation entry to initialize the value. This
3161 is done in the finish_dynamic_symbol routine. */
3166 /* If this symbol isn't dynamic in PIC mode, treat it
3167 like a local symbol in PIC mode below. */
3168 if (h
->dynindx
== -1
3170 && h
->root
.type
!= bfd_link_hash_undefweak
3171 && bfd_link_pic (info
))
3172 relative_reloc
= TRUE
;
3174 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3175 htab
->elf
.sgot
->contents
+ off
);
3180 unresolved_reloc
= FALSE
;
3184 BFD_ASSERT (local_got_offsets
!= NULL
3185 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3187 off
= local_got_offsets
[r_symndx
];
3189 /* The offset must always be a multiple of 8 on 64-bit and
3190 4 on 32-bit. We use the least significant bit to record
3191 whether we have already processed this entry. */
3196 /* For a local symbol in PIC mode, we need to generate a
3197 R_SPARC_RELATIVE reloc for the dynamic linker. */
3198 if (bfd_link_pic (info
))
3199 relative_reloc
= TRUE
;
3201 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3202 htab
->elf
.sgot
->contents
+ off
);
3203 local_got_offsets
[r_symndx
] |= 1;
3209 asection
*s
= htab
->elf
.srelgot
;
3210 Elf_Internal_Rela outrel
;
3212 BFD_ASSERT (s
!= NULL
);
3214 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3215 + htab
->elf
.sgot
->output_offset
3217 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3218 0, R_SPARC_RELATIVE
);
3219 outrel
.r_addend
= relocation
;
3220 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3221 /* Versions of glibc ld.so at least up to 2.26 wrongly
3222 add the section contents to the value calculated for
3223 a RELATIVE reloc. Zero the contents to work around
3226 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3227 htab
->elf
.sgot
->contents
+ off
);
3230 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3235 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3237 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3242 case R_SPARC_WPLT30
:
3243 case R_SPARC_HIPLT22
:
3244 case R_SPARC_LOPLT10
:
3245 case R_SPARC_PCPLT32
:
3246 case R_SPARC_PCPLT22
:
3247 case R_SPARC_PCPLT10
:
3249 /* Relocation is to the entry for this symbol in the
3250 procedure linkage table. */
3252 if (! ABI_64_P (output_bfd
))
3254 /* The Solaris native assembler will generate a WPLT30 reloc
3255 for a local symbol if you assemble a call from one
3256 section to another when using -K pic. We treat it as
3261 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3262 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3266 BFD_ASSERT (h
!= NULL
);
3269 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3271 /* We didn't make a PLT entry for this symbol. This
3272 happens when statically linking PIC code, or when
3273 using -Bsymbolic. */
3277 relocation
= (htab
->elf
.splt
->output_section
->vma
3278 + htab
->elf
.splt
->output_offset
3280 unresolved_reloc
= FALSE
;
3281 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3283 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3291 case R_SPARC_PC_HH22
:
3292 case R_SPARC_PC_HM10
:
3293 case R_SPARC_PC_LM22
:
3295 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3299 case R_SPARC_DISP16
:
3300 case R_SPARC_DISP32
:
3301 case R_SPARC_DISP64
:
3302 case R_SPARC_WDISP30
:
3303 case R_SPARC_WDISP22
:
3304 case R_SPARC_WDISP19
:
3305 case R_SPARC_WDISP16
:
3306 case R_SPARC_WDISP10
:
3334 if ((input_section
->flags
& SEC_ALLOC
) == 0 || is_vxworks_tls
)
3337 /* Copy dynamic function pointer relocations. Don't generate
3338 dynamic relocations against resolved undefined weak symbols
3340 if ((bfd_link_pic (info
)
3342 || !(h
->root
.type
== bfd_link_hash_undefweak
3343 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
3344 || resolved_to_zero
)))
3345 && (! howto
->pc_relative
3346 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3347 || (!bfd_link_pic (info
)
3353 || (h
->root
.type
== bfd_link_hash_undefweak
3354 && !resolved_to_zero
)
3355 || h
->root
.type
== bfd_link_hash_undefined
)))
3357 Elf_Internal_Rela outrel
;
3358 bfd_boolean skip
, relocate
= FALSE
;
3360 /* When generating a shared object, these relocations
3361 are copied into the output file to be resolved at run
3364 BFD_ASSERT (sreloc
!= NULL
);
3369 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3371 if (outrel
.r_offset
== (bfd_vma
) -1)
3373 else if (outrel
.r_offset
== (bfd_vma
) -2)
3374 skip
= TRUE
, relocate
= TRUE
;
3375 outrel
.r_offset
+= (input_section
->output_section
->vma
3376 + input_section
->output_offset
);
3378 /* Optimize unaligned reloc usage now that we know where
3379 it finally resides. */
3383 if (outrel
.r_offset
& 1)
3384 r_type
= R_SPARC_UA16
;
3387 if (!(outrel
.r_offset
& 1))
3388 r_type
= R_SPARC_16
;
3391 if (outrel
.r_offset
& 3)
3392 r_type
= R_SPARC_UA32
;
3395 if (!(outrel
.r_offset
& 3))
3396 r_type
= R_SPARC_32
;
3399 if (outrel
.r_offset
& 7)
3400 r_type
= R_SPARC_UA64
;
3403 if (!(outrel
.r_offset
& 7))
3404 r_type
= R_SPARC_64
;
3407 case R_SPARC_DISP16
:
3408 case R_SPARC_DISP32
:
3409 case R_SPARC_DISP64
:
3410 /* If the symbol is not dynamic, we should not keep
3411 a dynamic relocation. But an .rela.* slot has been
3412 allocated for it, output R_SPARC_NONE.
3413 FIXME: Add code tracking needed dynamic relocs as
3415 if (h
->dynindx
== -1)
3416 skip
= TRUE
, relocate
= TRUE
;
3421 memset (&outrel
, 0, sizeof outrel
);
3422 /* h->dynindx may be -1 if the symbol was marked to
3426 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3427 || !bfd_link_pic (info
)
3428 || !SYMBOLIC_BIND (info
, h
)
3429 || !h
->def_regular
))
3431 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3432 outrel
.r_addend
= rel
->r_addend
;
3436 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3437 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3439 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3440 0, R_SPARC_RELATIVE
);
3441 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3447 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3450 sec
= htab
->elf
.splt
;
3452 if (bfd_is_abs_section (sec
))
3454 else if (sec
== NULL
|| sec
->owner
== NULL
)
3456 bfd_set_error (bfd_error_bad_value
);
3463 /* We are turning this relocation into one
3464 against a section symbol. It would be
3465 proper to subtract the symbol's value,
3466 osec->vma, from the emitted reloc addend,
3467 but ld.so expects buggy relocs. */
3468 osec
= sec
->output_section
;
3469 indx
= elf_section_data (osec
)->dynindx
;
3473 osec
= htab
->elf
.text_index_section
;
3474 indx
= elf_section_data (osec
)->dynindx
;
3477 /* FIXME: we really should be able to link non-pic
3478 shared libraries. */
3483 (_("%pB: probably compiled without -fPIC?"),
3485 bfd_set_error (bfd_error_bad_value
);
3490 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3495 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3497 /* This reloc will be computed at runtime, so there's no
3498 need to do anything now. */
3504 case R_SPARC_TLS_GD_HI22
:
3505 case R_SPARC_TLS_GD_LO10
:
3506 case R_SPARC_TLS_IE_HI22
:
3507 case R_SPARC_TLS_IE_LO10
:
3508 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
,
3509 h
== NULL
|| h
->dynindx
== -1);
3510 if (r_type
== R_SPARC_REV32
)
3513 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3514 else if (local_got_offsets
)
3515 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3517 tls_type
= GOT_UNKNOWN
;
3518 if (tls_type
== GOT_TLS_IE
)
3521 case R_SPARC_TLS_GD_HI22
:
3522 r_type
= R_SPARC_TLS_IE_HI22
;
3524 case R_SPARC_TLS_GD_LO10
:
3525 r_type
= R_SPARC_TLS_IE_LO10
;
3529 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3531 relocation
= tpoff (info
, relocation
);
3534 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3536 /* Change add into xor. */
3537 relocation
= tpoff (info
, relocation
);
3538 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3539 contents
+ rel
->r_offset
)
3540 | 0x80182000), contents
+ rel
->r_offset
);
3546 off
= h
->got
.offset
;
3551 BFD_ASSERT (local_got_offsets
!= NULL
);
3552 off
= local_got_offsets
[r_symndx
];
3553 local_got_offsets
[r_symndx
] |= 1;
3557 if (htab
->elf
.sgot
== NULL
)
3564 Elf_Internal_Rela outrel
;
3567 if (htab
->elf
.srelgot
== NULL
)
3570 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3571 htab
->elf
.sgot
->contents
+ off
);
3572 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3573 + htab
->elf
.sgot
->output_offset
+ off
);
3574 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3575 if (r_type
== R_SPARC_TLS_IE_HI22
3576 || r_type
== R_SPARC_TLS_IE_LO10
)
3577 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3579 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3580 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3581 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3583 outrel
.r_addend
= 0;
3584 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3585 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3587 if (r_type
== R_SPARC_TLS_GD_HI22
3588 || r_type
== R_SPARC_TLS_GD_LO10
)
3592 BFD_ASSERT (! unresolved_reloc
);
3593 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3594 relocation
- dtpoff_base (info
),
3595 (htab
->elf
.sgot
->contents
+ off
3596 + SPARC_ELF_WORD_BYTES (htab
)));
3600 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3601 (htab
->elf
.sgot
->contents
+ off
3602 + SPARC_ELF_WORD_BYTES (htab
)));
3603 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3604 SPARC_ELF_DTPOFF_RELOC (htab
));
3605 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3606 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3610 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3612 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3613 (htab
->elf
.sgot
->contents
+ off
3614 + SPARC_ELF_WORD_BYTES (htab
)));
3618 if (off
>= (bfd_vma
) -2)
3621 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3622 unresolved_reloc
= FALSE
;
3623 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3626 case R_SPARC_TLS_LDM_HI22
:
3627 case R_SPARC_TLS_LDM_LO10
:
3629 if (bfd_link_executable (info
))
3631 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3634 off
= htab
->tls_ldm_got
.offset
;
3635 htab
->tls_ldm_got
.offset
|= 1;
3636 goto r_sparc_tlsldm
;
3638 case R_SPARC_TLS_LDO_HIX22
:
3639 case R_SPARC_TLS_LDO_LOX10
:
3641 if (bfd_link_executable (info
))
3643 if (r_type
== R_SPARC_TLS_LDO_HIX22
)
3644 r_type
= R_SPARC_TLS_LE_HIX22
;
3646 r_type
= R_SPARC_TLS_LE_LOX10
;
3650 relocation
-= dtpoff_base (info
);
3655 case R_SPARC_TLS_LE_HIX22
:
3656 case R_SPARC_TLS_LE_LOX10
:
3657 if (!bfd_link_executable (info
))
3659 Elf_Internal_Rela outrel
;
3661 = _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3663 if (offset
== (bfd_vma
) -1 || offset
== (bfd_vma
) -2)
3664 memset (&outrel
, 0, sizeof outrel
);
3667 outrel
.r_offset
= offset
3668 + input_section
->output_section
->vma
3669 + input_section
->output_offset
;
3670 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3672 = relocation
- dtpoff_base (info
) + rel
->r_addend
;
3675 BFD_ASSERT (sreloc
!= NULL
);
3676 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3679 relocation
= tpoff (info
, relocation
);
3682 case R_SPARC_TLS_LDM_CALL
:
3684 if (bfd_link_executable (info
))
3687 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3692 case R_SPARC_TLS_GD_CALL
:
3694 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3695 else if (local_got_offsets
)
3696 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3698 tls_type
= GOT_UNKNOWN
;
3699 /* GD -> IE or LE */
3700 if (bfd_link_executable (info
)
3701 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3703 Elf_Internal_Rela
*rel2
;
3707 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3709 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3714 if (rel
+ 1 < relend
3715 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3716 && rel
[1].r_offset
== rel
->r_offset
+ 4
3717 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3718 && (((insn
= bfd_get_32 (input_bfd
,
3719 contents
+ rel
[1].r_offset
))
3720 >> 25) & 0x1f) == 8)
3723 call __tls_get_addr, %tgd_call(foo)
3724 add %reg1, %reg2, %o0, %tgd_add(foo)
3725 and change it into IE:
3726 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3727 add %g7, %o0, %o0, %tie_add(foo).
3728 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3729 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3730 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3731 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3732 contents
+ rel
->r_offset
);
3733 bfd_put_32 (output_bfd
, 0x9001c008,
3734 contents
+ rel
->r_offset
+ 4);
3739 /* We cannot just overwrite the delay slot instruction,
3740 as it might be what puts the %o0 argument to
3741 __tls_get_addr into place. So we have to transpose
3742 the delay slot with the add we patch in. */
3743 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3744 bfd_put_32 (output_bfd
, insn
,
3745 contents
+ rel
->r_offset
);
3746 bfd_put_32 (output_bfd
, 0x9001c008,
3747 contents
+ rel
->r_offset
+ 4);
3750 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3754 /* If the instruction we moved has a relocation attached to
3755 it, adjust the offset so that it will apply to the correct
3757 rel2
->r_offset
-= 4;
3762 h
= (struct elf_link_hash_entry
*)
3763 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3765 BFD_ASSERT (h
!= NULL
);
3766 r_type
= R_SPARC_WPLT30
;
3767 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3768 goto r_sparc_wplt30
;
3770 case R_SPARC_TLS_GD_ADD
:
3772 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3773 else if (local_got_offsets
)
3774 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3776 tls_type
= GOT_UNKNOWN
;
3777 /* GD -> IE or LE */
3778 if (bfd_link_executable (info
) || tls_type
== GOT_TLS_IE
)
3780 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3782 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3784 add %g7, %reg2, %reg3. */
3785 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3786 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3787 relocation
= (insn
& ~0x7c000) | 0x1c000;
3789 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3790 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3794 case R_SPARC_TLS_LDM_ADD
:
3796 if (bfd_link_executable (info
))
3797 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3800 case R_SPARC_TLS_LDO_ADD
:
3802 if (bfd_link_executable (info
))
3804 /* Change rs1 into %g7. */
3805 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3806 insn
= (insn
& ~0x7c000) | 0x1c000;
3807 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3811 case R_SPARC_TLS_IE_LD
:
3812 case R_SPARC_TLS_IE_LDX
:
3814 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3816 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3817 int rs2
= insn
& 0x1f;
3818 int rd
= (insn
>> 25) & 0x1f;
3821 relocation
= SPARC_NOP
;
3823 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3824 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3828 case R_SPARC_TLS_IE_ADD
:
3829 /* Totally useless relocation. */
3832 case R_SPARC_TLS_DTPOFF32
:
3833 case R_SPARC_TLS_DTPOFF64
:
3834 relocation
-= dtpoff_base (info
);
3841 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3842 because such sections are not SEC_ALLOC and thus ld.so will
3843 not process them. */
3844 if (unresolved_reloc
3845 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3847 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3848 rel
->r_offset
) != (bfd_vma
) -1)
3850 /* xgettext:c-format */
3851 (_("%pB(%pA+%#" PRIx64
"): "
3852 "unresolvable %s relocation against symbol `%s'"),
3855 (uint64_t) rel
->r_offset
,
3857 h
->root
.root
.string
);
3859 r
= bfd_reloc_continue
;
3860 if (r_type
== R_SPARC_OLO10
)
3864 if (! ABI_64_P (output_bfd
))
3867 relocation
+= rel
->r_addend
;
3868 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3870 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3871 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3872 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3874 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3875 howto
->bitsize
, howto
->rightshift
,
3876 bfd_arch_bits_per_address (input_bfd
),
3879 else if (r_type
== R_SPARC_WDISP16
)
3883 relocation
+= rel
->r_addend
;
3884 relocation
-= (input_section
->output_section
->vma
3885 + input_section
->output_offset
);
3886 relocation
-= rel
->r_offset
;
3888 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3889 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3890 | ((relocation
>> 2) & 0x3fff));
3891 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3893 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3894 howto
->bitsize
, howto
->rightshift
,
3895 bfd_arch_bits_per_address (input_bfd
),
3898 else if (r_type
== R_SPARC_WDISP10
)
3902 relocation
+= rel
->r_addend
;
3903 relocation
-= (input_section
->output_section
->vma
3904 + input_section
->output_offset
);
3905 relocation
-= rel
->r_offset
;
3907 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3908 x
|= ((((relocation
>> 2) & 0x300) << 11)
3909 | (((relocation
>> 2) & 0xff) << 5));
3910 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3912 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3913 howto
->bitsize
, howto
->rightshift
,
3914 bfd_arch_bits_per_address (input_bfd
),
3917 else if (r_type
== R_SPARC_REV32
)
3921 relocation
= relocation
+ rel
->r_addend
;
3923 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3925 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3928 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3929 || r_type
== R_SPARC_TLS_LE_HIX22
)
3933 relocation
+= rel
->r_addend
;
3934 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3935 relocation
^= MINUS_ONE
;
3937 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3938 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3939 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3942 else if (r_type
== R_SPARC_TLS_LDO_LOX10
3943 || r_type
== R_SPARC_TLS_LE_LOX10
)
3947 relocation
+= rel
->r_addend
;
3948 relocation
&= 0x3ff;
3949 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3950 relocation
|= 0x1c00;
3952 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3953 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3954 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3958 else if (r_type
== R_SPARC_HIX22
3959 || r_type
== R_SPARC_GOTDATA_HIX22
3960 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
3964 relocation
+= rel
->r_addend
;
3965 if (r_type
== R_SPARC_HIX22
3966 || (bfd_signed_vma
) relocation
< 0)
3967 relocation
= relocation
^ MINUS_ONE
;
3969 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3970 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3971 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3973 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3974 howto
->bitsize
, howto
->rightshift
,
3975 bfd_arch_bits_per_address (input_bfd
),
3978 else if (r_type
== R_SPARC_LOX10
3979 || r_type
== R_SPARC_GOTDATA_LOX10
3980 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
3984 relocation
+= rel
->r_addend
;
3985 if (r_type
== R_SPARC_LOX10
3986 || (bfd_signed_vma
) relocation
< 0)
3987 relocation
= (relocation
& 0x3ff) | 0x1c00;
3989 relocation
= (relocation
& 0x3ff);
3991 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3992 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3993 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3997 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
3998 && sec_do_relax (input_section
)
3999 && rel
->r_offset
+ 4 < input_section
->size
)
4003 #define XCC (2 << 20)
4004 #define COND(x) (((x)&0xf)<<25)
4005 #define CONDA COND(0x8)
4006 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4007 #define INSN_BA (F2(0,2) | CONDA)
4008 #define INSN_OR F3(2, 0x2, 0)
4009 #define INSN_NOP F2(0,4)
4013 /* If the instruction is a call with either:
4015 arithmetic instruction with rd == %o7
4016 where rs1 != %o7 and rs2 if it is register != %o7
4017 then we can optimize if the call destination is near
4018 by changing the call into a branch always. */
4019 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4020 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4021 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4023 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4024 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4025 && (y
& RD(~0)) == RD(O7
)))
4026 && (y
& RS1(~0)) != RS1(O7
)
4028 || (y
& RS2(~0)) != RS2(O7
)))
4032 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4033 reloc
-= (input_section
->output_section
->vma
4034 + input_section
->output_offset
);
4036 /* Ensure the branch fits into simm22. */
4037 if ((reloc
& 3) == 0
4038 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4039 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4043 /* Check whether it fits into simm19. */
4044 if (((reloc
& 0x3c0000) == 0
4045 || (reloc
& 0x3c0000) == 0x3c0000)
4046 && (ABI_64_P (output_bfd
)
4047 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4048 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4050 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4051 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4053 if (rel
->r_offset
>= 4
4054 && (y
& (0xffffffff ^ RS1(~0)))
4055 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4060 z
= bfd_get_32 (input_bfd
,
4061 contents
+ rel
->r_offset
- 4);
4062 if ((z
& (0xffffffff ^ RD(~0)))
4063 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4071 If call foo was replaced with ba, replace
4072 or %rN, %g0, %o7 with nop. */
4074 reg
= (y
& RS1(~0)) >> 14;
4075 if (reg
!= ((z
& RD(~0)) >> 25)
4076 || reg
== G0
|| reg
== O7
)
4079 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4080 contents
+ rel
->r_offset
+ 4);
4088 if (r
== bfd_reloc_continue
)
4091 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4092 contents
, rel
->r_offset
,
4093 relocation
, rel
->r_addend
);
4095 if (r
!= bfd_reloc_ok
)
4100 case bfd_reloc_outofrange
:
4102 case bfd_reloc_overflow
:
4106 /* The Solaris native linker silently disregards overflows.
4107 We don't, but this breaks stabs debugging info, whose
4108 relocations are only 32-bits wide. Ignore overflows in
4109 this case and also for discarded entries. */
4110 if ((r_type
== R_SPARC_32
4111 || r_type
== R_SPARC_UA32
4112 || r_type
== R_SPARC_DISP32
)
4113 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4114 && strcmp (bfd_section_name (input_section
),
4116 || _bfd_elf_section_offset (output_bfd
, info
,
4124 /* Assume this is a call protected by other code that
4125 detect the symbol is undefined. If this is the case,
4126 we can safely ignore the overflow. If not, the
4127 program is hosed anyway, and a little warning isn't
4129 if (h
->root
.type
== bfd_link_hash_undefweak
4130 && howto
->pc_relative
)
4137 name
= bfd_elf_string_from_elf_section (input_bfd
,
4138 symtab_hdr
->sh_link
,
4143 name
= bfd_section_name (sec
);
4145 (*info
->callbacks
->reloc_overflow
)
4146 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4147 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4157 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4158 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4159 is the offset of the associated .got.plt entry from
4160 _GLOBAL_OFFSET_TABLE_. */
4163 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4164 bfd_vma plt_offset
, bfd_vma plt_index
,
4168 const bfd_vma
*plt_entry
;
4169 struct _bfd_sparc_elf_link_hash_table
*htab
;
4171 Elf_Internal_Rela rela
;
4173 htab
= _bfd_sparc_elf_hash_table (info
);
4174 BFD_ASSERT (htab
!= NULL
);
4176 if (bfd_link_pic (info
))
4178 plt_entry
= sparc_vxworks_shared_plt_entry
;
4183 plt_entry
= sparc_vxworks_exec_plt_entry
;
4184 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4185 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4186 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4189 /* Fill in the entry in the procedure linkage table. */
4190 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4191 htab
->elf
.splt
->contents
+ plt_offset
);
4192 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4193 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4194 bfd_put_32 (output_bfd
, plt_entry
[2],
4195 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4196 bfd_put_32 (output_bfd
, plt_entry
[3],
4197 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4198 bfd_put_32 (output_bfd
, plt_entry
[4],
4199 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4200 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4201 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4202 /* PC-relative displacement for a branch to the start of
4204 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4206 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4207 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4208 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4210 /* Fill in the .got.plt entry, pointing initially at the
4211 second half of the PLT entry. */
4212 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4213 bfd_put_32 (output_bfd
,
4214 htab
->elf
.splt
->output_section
->vma
4215 + htab
->elf
.splt
->output_offset
4217 htab
->elf
.sgotplt
->contents
+ got_offset
);
4219 /* Add relocations to .rela.plt.unloaded. */
4220 if (!bfd_link_pic (info
))
4222 loc
= (htab
->srelplt2
->contents
4223 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4225 /* Relocate the initial sethi. */
4226 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4227 + htab
->elf
.splt
->output_offset
4229 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4230 rela
.r_addend
= got_offset
;
4231 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4232 loc
+= sizeof (Elf32_External_Rela
);
4234 /* Likewise the following or. */
4236 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4237 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4238 loc
+= sizeof (Elf32_External_Rela
);
4240 /* Relocate the .got.plt entry. */
4241 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4242 + htab
->elf
.sgotplt
->output_offset
4244 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4245 rela
.r_addend
= plt_offset
+ 20;
4246 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4250 /* Finish up dynamic symbol handling. We set the contents of various
4251 dynamic sections here. */
4254 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4255 struct bfd_link_info
*info
,
4256 struct elf_link_hash_entry
*h
,
4257 Elf_Internal_Sym
*sym
)
4259 struct _bfd_sparc_elf_link_hash_table
*htab
;
4260 const struct elf_backend_data
*bed
;
4261 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4262 bfd_boolean resolved_to_zero
;
4264 htab
= _bfd_sparc_elf_hash_table (info
);
4265 BFD_ASSERT (htab
!= NULL
);
4266 bed
= get_elf_backend_data (output_bfd
);
4268 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4270 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4271 resolved undefined weak symbols in executable so that their
4272 references have value 0 at run-time. */
4273 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4275 if (h
->plt
.offset
!= (bfd_vma
) -1)
4279 Elf_Internal_Rela rela
;
4281 bfd_vma r_offset
, got_offset
;
4284 /* When building a static executable, use .iplt and
4285 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4286 if (htab
->elf
.splt
!= NULL
)
4288 splt
= htab
->elf
.splt
;
4289 srela
= htab
->elf
.srelplt
;
4293 splt
= htab
->elf
.iplt
;
4294 srela
= htab
->elf
.irelplt
;
4297 if (splt
== NULL
|| srela
== NULL
)
4300 /* Fill in the entry in the .rela.plt section. */
4301 if (htab
->is_vxworks
)
4303 /* Work out the index of this PLT entry. */
4304 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4305 / htab
->plt_entry_size
);
4307 /* Calculate the offset of the associated .got.plt entry.
4308 The first three entries are reserved. */
4309 got_offset
= (rela_index
+ 3) * 4;
4311 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4312 rela_index
, got_offset
);
4315 /* On VxWorks, the relocation points to the .got.plt entry,
4316 not the .plt entry. */
4317 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4318 + htab
->elf
.sgotplt
->output_offset
4321 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4326 bfd_boolean ifunc
= FALSE
;
4328 /* Fill in the entry in the procedure linkage table. */
4329 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4330 h
->plt
.offset
, splt
->size
,
4335 || ((bfd_link_executable (info
)
4336 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4338 && h
->type
== STT_GNU_IFUNC
))
4341 BFD_ASSERT (h
== NULL
4342 || (h
->type
== STT_GNU_IFUNC
4344 && (h
->root
.type
== bfd_link_hash_defined
4345 || h
->root
.type
== bfd_link_hash_defweak
)));
4348 rela
.r_offset
= r_offset
4349 + (splt
->output_section
->vma
+ splt
->output_offset
);
4350 if (ABI_64_P (output_bfd
)
4351 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4355 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4356 + h
->root
.u
.def
.section
->output_offset
4357 + h
->root
.u
.def
.value
);
4358 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4363 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4364 - splt
->output_section
->vma
4365 - splt
->output_offset
);
4366 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4374 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4375 + h
->root
.u
.def
.section
->output_offset
4376 + h
->root
.u
.def
.value
);
4377 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4383 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4389 /* Adjust for the first 4 reserved elements in the .plt section
4390 when setting the offset in the .rela.plt section.
4391 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4392 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4394 loc
= srela
->contents
;
4395 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4396 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4398 if (!resolved_to_zero
&& !h
->def_regular
)
4400 /* Mark the symbol as undefined, rather than as defined in
4401 the .plt section. Leave the value alone. */
4402 sym
->st_shndx
= SHN_UNDEF
;
4403 /* If the symbol is weak, we do need to clear the value.
4404 Otherwise, the PLT entry would provide a definition for
4405 the symbol even if the symbol wasn't defined anywhere,
4406 and so the symbol would never be NULL. */
4407 if (!h
->ref_regular_nonweak
)
4412 /* Don't generate dynamic GOT relocation against resolved undefined weak
4413 symbols in an executable. */
4414 if (h
->got
.offset
!= (bfd_vma
) -1
4415 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4416 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4417 && !(h
->root
.type
== bfd_link_hash_undefweak
4418 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
4419 || resolved_to_zero
)))
4423 Elf_Internal_Rela rela
;
4425 /* This symbol has an entry in the GOT. Set it up. */
4427 sgot
= htab
->elf
.sgot
;
4428 srela
= htab
->elf
.srelgot
;
4429 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4431 rela
.r_offset
= (sgot
->output_section
->vma
4432 + sgot
->output_offset
4433 + (h
->got
.offset
&~ (bfd_vma
) 1));
4435 /* If this is a -Bsymbolic link, and the symbol is defined
4436 locally, we just want to emit a RELATIVE reloc. Likewise if
4437 the symbol was forced to be local because of a version file.
4438 The entry in the global offset table will already have been
4439 initialized in the relocate_section function. */
4440 if (! bfd_link_pic (info
)
4441 && h
->type
== STT_GNU_IFUNC
4446 /* We load the GOT entry with the PLT entry. */
4447 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4448 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4449 (plt
->output_section
->vma
4450 + plt
->output_offset
+ h
->plt
.offset
),
4451 htab
->elf
.sgot
->contents
4452 + (h
->got
.offset
& ~(bfd_vma
) 1));
4456 if (bfd_link_pic (info
) && SYMBOL_REFERENCES_LOCAL (info
, h
))
4458 asection
*sec
= h
->root
.u
.def
.section
;
4459 if (h
->type
== STT_GNU_IFUNC
)
4460 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4462 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4463 rela
.r_addend
= (h
->root
.u
.def
.value
4464 + sec
->output_section
->vma
4465 + sec
->output_offset
);
4469 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4473 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4474 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4475 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4481 Elf_Internal_Rela rela
;
4483 /* This symbols needs a copy reloc. Set it up. */
4484 BFD_ASSERT (h
->dynindx
!= -1);
4486 rela
.r_offset
= (h
->root
.u
.def
.value
4487 + h
->root
.u
.def
.section
->output_section
->vma
4488 + h
->root
.u
.def
.section
->output_offset
);
4489 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4491 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4492 s
= htab
->elf
.sreldynrelro
;
4494 s
= htab
->elf
.srelbss
;
4495 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4498 /* Mark some specially defined symbols as absolute. On VxWorks,
4499 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4500 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4502 && (h
== htab
->elf
.hdynamic
4503 || (!htab
->is_vxworks
4504 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4505 sym
->st_shndx
= SHN_ABS
;
4510 /* Finish up the dynamic sections. */
4513 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4514 bfd
*dynobj
, asection
*sdyn
,
4515 asection
*splt ATTRIBUTE_UNUSED
)
4517 struct _bfd_sparc_elf_link_hash_table
*htab
;
4518 const struct elf_backend_data
*bed
;
4519 bfd_byte
*dyncon
, *dynconend
;
4521 int stt_regidx
= -1;
4522 bfd_boolean abi_64_p
;
4524 htab
= _bfd_sparc_elf_hash_table (info
);
4525 BFD_ASSERT (htab
!= NULL
);
4526 bed
= get_elf_backend_data (output_bfd
);
4527 dynsize
= bed
->s
->sizeof_dyn
;
4528 dynconend
= sdyn
->contents
+ sdyn
->size
;
4529 abi_64_p
= ABI_64_P (output_bfd
);
4530 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4532 Elf_Internal_Dyn dyn
;
4535 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4537 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4539 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4540 not to the start of the PLT. */
4541 if (htab
->elf
.sgotplt
)
4543 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4544 + htab
->elf
.sgotplt
->output_offset
);
4545 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4548 else if (htab
->is_vxworks
4549 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4550 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4551 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4553 if (stt_regidx
== -1)
4556 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4557 if (stt_regidx
== -1)
4560 dyn
.d_un
.d_val
= stt_regidx
++;
4561 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4574 s
= htab
->elf
.srelplt
;
4578 s
= htab
->elf
.srelplt
;
4590 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4592 dyn
.d_un
.d_val
= s
->size
;
4594 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4600 /* Install the first PLT entry in a VxWorks executable and make sure that
4601 .rela.plt.unloaded relocations have the correct symbol indexes. */
4604 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4606 struct _bfd_sparc_elf_link_hash_table
*htab
;
4607 Elf_Internal_Rela rela
;
4611 htab
= _bfd_sparc_elf_hash_table (info
);
4612 BFD_ASSERT (htab
!= NULL
);
4614 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4615 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4616 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4617 + htab
->elf
.hgot
->root
.u
.def
.value
);
4619 /* Install the initial PLT entry. */
4620 bfd_put_32 (output_bfd
,
4621 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4622 htab
->elf
.splt
->contents
);
4623 bfd_put_32 (output_bfd
,
4624 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4625 htab
->elf
.splt
->contents
+ 4);
4626 bfd_put_32 (output_bfd
,
4627 sparc_vxworks_exec_plt0_entry
[2],
4628 htab
->elf
.splt
->contents
+ 8);
4629 bfd_put_32 (output_bfd
,
4630 sparc_vxworks_exec_plt0_entry
[3],
4631 htab
->elf
.splt
->contents
+ 12);
4632 bfd_put_32 (output_bfd
,
4633 sparc_vxworks_exec_plt0_entry
[4],
4634 htab
->elf
.splt
->contents
+ 16);
4636 loc
= htab
->srelplt2
->contents
;
4638 /* Add an unloaded relocation for the initial entry's "sethi". */
4639 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4640 + htab
->elf
.splt
->output_offset
);
4641 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4643 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4644 loc
+= sizeof (Elf32_External_Rela
);
4646 /* Likewise the following "or". */
4648 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4649 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4650 loc
+= sizeof (Elf32_External_Rela
);
4652 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4653 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4654 in which symbols were output. */
4655 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4657 Elf_Internal_Rela rel
;
4659 /* The entry's initial "sethi" (against _G_O_T_). */
4660 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4661 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4662 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4663 loc
+= sizeof (Elf32_External_Rela
);
4665 /* The following "or" (also against _G_O_T_). */
4666 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4667 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4668 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4669 loc
+= sizeof (Elf32_External_Rela
);
4671 /* The .got.plt entry (against _P_L_T_). */
4672 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4673 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4674 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4675 loc
+= sizeof (Elf32_External_Rela
);
4679 /* Install the first PLT entry in a VxWorks shared object. */
4682 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4684 struct _bfd_sparc_elf_link_hash_table
*htab
;
4687 htab
= _bfd_sparc_elf_hash_table (info
);
4688 BFD_ASSERT (htab
!= NULL
);
4690 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4691 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4692 htab
->elf
.splt
->contents
+ i
* 4);
4695 /* Finish up local dynamic symbol handling. We set the contents of
4696 various dynamic sections here. */
4699 finish_local_dynamic_symbol (void **slot
, void *inf
)
4701 struct elf_link_hash_entry
*h
4702 = (struct elf_link_hash_entry
*) *slot
;
4703 struct bfd_link_info
*info
4704 = (struct bfd_link_info
*) inf
;
4706 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4710 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4711 here since undefined weak symbol may not be dynamic and may not be
4712 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4715 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4718 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4719 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4721 if (h
->root
.type
!= bfd_link_hash_undefweak
4722 || h
->dynindx
!= -1)
4725 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4730 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4734 struct _bfd_sparc_elf_link_hash_table
*htab
;
4736 htab
= _bfd_sparc_elf_hash_table (info
);
4737 BFD_ASSERT (htab
!= NULL
);
4738 dynobj
= htab
->elf
.dynobj
;
4740 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4741 entries at the end of the dynlocal list, so they came at the end
4742 of the local symbols in the symtab. Except that they aren't
4743 STB_LOCAL, so we need to back up symtab->sh_info. */
4744 if (ABI_64_P (output_bfd
)
4745 && elf_hash_table (info
)->dynlocal
)
4747 asection
*dynsymsec
= bfd_get_linker_section (dynobj
, ".dynsym");
4748 struct elf_link_local_dynamic_entry
*e
;
4750 for (e
= elf_hash_table (info
)->dynlocal
; e
; e
= e
->next
)
4751 if (e
->input_indx
== -1)
4754 elf_section_data (dynsymsec
->output_section
)->this_hdr
.sh_info
4758 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4760 if (elf_hash_table (info
)->dynamic_sections_created
)
4764 splt
= htab
->elf
.splt
;
4765 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4767 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4770 /* Initialize the contents of the .plt section. */
4773 if (htab
->is_vxworks
)
4775 if (bfd_link_pic (info
))
4776 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4778 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4782 memset (splt
->contents
, 0, htab
->plt_header_size
);
4783 if (!ABI_64_P (output_bfd
))
4784 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4785 splt
->contents
+ splt
->size
- 4);
4789 if (elf_section_data (splt
->output_section
) != NULL
)
4790 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4791 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4792 ? 0 : htab
->plt_entry_size
);
4795 /* Set the first entry in the global offset table to the address of
4796 the dynamic section. */
4797 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4799 bfd_vma val
= (sdyn
?
4800 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4803 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4807 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4808 SPARC_ELF_WORD_BYTES (htab
);
4810 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4811 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4813 /* Fill PLT entries for undefined weak symbols in PIE. */
4814 if (bfd_link_pie (info
))
4815 bfd_hash_traverse (&info
->hash
->table
,
4816 pie_finish_undefweak_symbol
,
4822 /* Set the right machine number for a SPARC ELF file. */
4825 _bfd_sparc_elf_object_p (bfd
*abfd
)
4827 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4828 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4829 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4831 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4832 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4833 | ELF_SPARC_HWCAP_VIS3
4834 | ELF_SPARC_HWCAP_HPC
);
4835 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4836 | ELF_SPARC_HWCAP_DES
4837 | ELF_SPARC_HWCAP_KASUMI
4838 | ELF_SPARC_HWCAP_CAMELLIA
4839 | ELF_SPARC_HWCAP_MD5
4840 | ELF_SPARC_HWCAP_SHA1
4841 | ELF_SPARC_HWCAP_SHA256
4842 | ELF_SPARC_HWCAP_SHA512
4843 | ELF_SPARC_HWCAP_MPMUL
4844 | ELF_SPARC_HWCAP_MONT
4845 | ELF_SPARC_HWCAP_CRC32C
4846 | ELF_SPARC_HWCAP_CBCOND
4847 | ELF_SPARC_HWCAP_PAUSE
);
4848 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4849 | ELF_SPARC_HWCAP_IMA
);
4850 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4851 | ELF_SPARC_HWCAP2_MWAIT
4852 | ELF_SPARC_HWCAP2_XMPMUL
4853 | ELF_SPARC_HWCAP2_XMONT
);
4854 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4855 | ELF_SPARC_HWCAP2_ONADDSUB
4856 | ELF_SPARC_HWCAP2_ONMUL
4857 | ELF_SPARC_HWCAP2_ONDIV
4858 | ELF_SPARC_HWCAP2_DICTUNP
4859 | ELF_SPARC_HWCAP2_FPCMPSHL
4860 | ELF_SPARC_HWCAP2_RLE
4861 | ELF_SPARC_HWCAP2_SHA3
);
4863 if (ABI_64_P (abfd
))
4865 unsigned long mach
= bfd_mach_sparc_v9
;
4867 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4868 mach
= bfd_mach_sparc_v9m8
;
4869 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4870 mach
= bfd_mach_sparc_v9m
;
4871 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4872 mach
= bfd_mach_sparc_v9v
;
4873 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4874 mach
= bfd_mach_sparc_v9e
;
4875 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4876 mach
= bfd_mach_sparc_v9d
;
4877 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4878 mach
= bfd_mach_sparc_v9c
;
4879 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4880 mach
= bfd_mach_sparc_v9b
;
4881 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4882 mach
= bfd_mach_sparc_v9a
;
4883 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4887 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4889 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4890 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4891 bfd_mach_sparc_v8plusm8
);
4892 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4893 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4894 bfd_mach_sparc_v8plusm
);
4895 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4896 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4897 bfd_mach_sparc_v8plusv
);
4898 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4899 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4900 bfd_mach_sparc_v8pluse
);
4901 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4902 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4903 bfd_mach_sparc_v8plusd
);
4904 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4905 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4906 bfd_mach_sparc_v8plusc
);
4907 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4908 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4909 bfd_mach_sparc_v8plusb
);
4910 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4911 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4912 bfd_mach_sparc_v8plusa
);
4913 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4914 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4915 bfd_mach_sparc_v8plus
);
4919 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4920 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4921 bfd_mach_sparc_sparclite_le
);
4923 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4927 /* Return address for Ith PLT stub in section PLT, for relocation REL
4928 or (bfd_vma) -1 if it should not be included. */
4931 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4933 if (ABI_64_P (plt
->owner
))
4937 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4938 if (i
< PLT64_LARGE_THRESHOLD
)
4939 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4941 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4943 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4946 return rel
->address
;
4949 /* Merge backend specific data from an object file to the output
4950 object file when linking. */
4953 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
4955 bfd
*obfd
= info
->output_bfd
;
4956 obj_attribute
*in_attr
, *in_attrs
;
4957 obj_attribute
*out_attr
, *out_attrs
;
4959 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
4961 /* This is the first object. Copy the attributes. */
4962 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
4964 /* Use the Tag_null value to indicate the attributes have been
4966 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
4971 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
4972 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
4974 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
4975 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
4977 out_attr
->i
|= in_attr
->i
;
4980 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4981 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4983 out_attr
->i
|= in_attr
->i
;
4986 /* Merge Tag_compatibility attributes and any common GNU ones. */
4987 _bfd_elf_merge_object_attributes (ibfd
, info
);