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 /* Return true if the dynamic symbol for a given section should be
2363 omitted when creating a shared library. */
2366 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2367 struct bfd_link_info
*info
,
2370 /* We keep the .got section symbol so that explicit relocations
2371 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2372 can be turned into relocations against the .got symbol. */
2373 if (strcmp (p
->name
, ".got") == 0)
2376 return _bfd_elf_omit_section_dynsym_default (output_bfd
, info
, p
);
2379 /* Set the sizes of the dynamic sections. */
2382 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2383 struct bfd_link_info
*info
)
2385 struct _bfd_sparc_elf_link_hash_table
*htab
;
2390 htab
= _bfd_sparc_elf_hash_table (info
);
2391 BFD_ASSERT (htab
!= NULL
);
2392 dynobj
= htab
->elf
.dynobj
;
2393 BFD_ASSERT (dynobj
!= NULL
);
2395 if (elf_hash_table (info
)->dynamic_sections_created
)
2397 /* Set the contents of the .interp section to the interpreter. */
2398 if (bfd_link_executable (info
) && !info
->nointerp
)
2400 s
= bfd_get_linker_section (dynobj
, ".interp");
2401 BFD_ASSERT (s
!= NULL
);
2402 s
->size
= htab
->dynamic_interpreter_size
;
2403 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2408 /* Set up .got offsets for local syms, and space for local dynamic
2410 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2412 bfd_signed_vma
*local_got
;
2413 bfd_signed_vma
*end_local_got
;
2414 char *local_tls_type
;
2415 bfd_size_type locsymcount
;
2416 Elf_Internal_Shdr
*symtab_hdr
;
2419 if (! is_sparc_elf (ibfd
))
2422 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2424 struct elf_dyn_relocs
*p
;
2426 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2428 if (!bfd_is_abs_section (p
->sec
)
2429 && bfd_is_abs_section (p
->sec
->output_section
))
2431 /* Input section has been discarded, either because
2432 it is a copy of a linkonce section or due to
2433 linker script /DISCARD/, so we'll be discarding
2436 else if (htab
->is_vxworks
2437 && strcmp (p
->sec
->output_section
->name
,
2440 /* Relocations in vxworks .tls_vars sections are
2441 handled specially by the loader. */
2443 else if (p
->count
!= 0)
2445 srel
= elf_section_data (p
->sec
)->sreloc
;
2446 if (!htab
->elf
.dynamic_sections_created
)
2447 srel
= htab
->elf
.irelplt
;
2448 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2449 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2451 info
->flags
|= DF_TEXTREL
;
2452 info
->callbacks
->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2453 p
->sec
->owner
, p
->sec
);
2459 local_got
= elf_local_got_refcounts (ibfd
);
2463 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2464 locsymcount
= symtab_hdr
->sh_info
;
2465 end_local_got
= local_got
+ locsymcount
;
2466 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2468 srel
= htab
->elf
.srelgot
;
2469 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2473 *local_got
= s
->size
;
2474 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2475 if (*local_tls_type
== GOT_TLS_GD
)
2476 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2477 if (bfd_link_pic (info
)
2478 || *local_tls_type
== GOT_TLS_GD
2479 || *local_tls_type
== GOT_TLS_IE
)
2480 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2483 *local_got
= (bfd_vma
) -1;
2487 if (htab
->tls_ldm_got
.refcount
> 0)
2489 /* Allocate 2 got entries and 1 dynamic reloc for
2490 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2491 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2492 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2493 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2496 htab
->tls_ldm_got
.offset
= -1;
2498 /* Allocate global sym .plt and .got entries, and space for global
2499 sym dynamic relocs. */
2500 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2502 /* Allocate .plt and .got entries, and space for local symbols. */
2503 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2505 if (! ABI_64_P (output_bfd
)
2506 && !htab
->is_vxworks
2507 && elf_hash_table (info
)->dynamic_sections_created
)
2509 /* Make space for the trailing nop in .plt. */
2510 if (htab
->elf
.splt
->size
> 0)
2511 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2513 /* If the .got section is more than 0x1000 bytes, we add
2514 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2515 bit relocations have a greater chance of working.
2517 FIXME: Make this optimization work for 64-bit too. */
2518 if (htab
->elf
.sgot
->size
>= 0x1000
2519 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2520 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2523 /* The check_relocs and adjust_dynamic_symbol entry points have
2524 determined the sizes of the various dynamic sections. Allocate
2526 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2528 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2531 if (s
== htab
->elf
.splt
2532 || s
== htab
->elf
.sgot
2533 || s
== htab
->elf
.sdynbss
2534 || s
== htab
->elf
.sdynrelro
2535 || s
== htab
->elf
.iplt
2536 || s
== htab
->elf
.sgotplt
)
2538 /* Strip this section if we don't need it; see the
2541 else if (CONST_STRNEQ (s
->name
, ".rela"))
2545 /* We use the reloc_count field as a counter if we need
2546 to copy relocs into the output file. */
2552 /* It's not one of our sections. */
2558 /* If we don't need this section, strip it from the
2559 output file. This is mostly to handle .rela.bss and
2560 .rela.plt. We must create both sections in
2561 create_dynamic_sections, because they must be created
2562 before the linker maps input sections to output
2563 sections. The linker does that before
2564 adjust_dynamic_symbol is called, and it is that
2565 function which decides whether anything needs to go
2566 into these sections. */
2567 s
->flags
|= SEC_EXCLUDE
;
2571 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2574 /* Allocate memory for the section contents. Zero the memory
2575 for the benefit of .rela.plt, which has 4 unused entries
2576 at the beginning, and we don't want garbage. */
2577 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2578 if (s
->contents
== NULL
)
2582 if (elf_hash_table (info
)->dynamic_sections_created
)
2584 /* Add some entries to the .dynamic section. We fill in the
2585 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2586 must add the entries now so that we get the correct size for
2587 the .dynamic section. The DT_DEBUG entry is filled in by the
2588 dynamic linker and used by the debugger. */
2589 #define add_dynamic_entry(TAG, VAL) \
2590 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2592 if (bfd_link_executable (info
))
2594 if (!add_dynamic_entry (DT_DEBUG
, 0))
2598 if (htab
->elf
.srelplt
->size
!= 0)
2600 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2601 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2602 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2603 || !add_dynamic_entry (DT_JMPREL
, 0))
2607 if (!add_dynamic_entry (DT_RELA
, 0)
2608 || !add_dynamic_entry (DT_RELASZ
, 0)
2609 || !add_dynamic_entry (DT_RELAENT
,
2610 SPARC_ELF_RELA_BYTES (htab
)))
2613 /* If any dynamic relocs apply to a read-only section,
2614 then we need a DT_TEXTREL entry. */
2615 if ((info
->flags
& DF_TEXTREL
) == 0)
2616 elf_link_hash_traverse (&htab
->elf
,
2617 _bfd_elf_maybe_set_textrel
, info
);
2619 if (info
->flags
& DF_TEXTREL
)
2621 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2625 if (ABI_64_P (output_bfd
))
2628 struct _bfd_sparc_elf_app_reg
* app_regs
;
2629 struct elf_strtab_hash
*dynstr
;
2630 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2632 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2633 entries if needed. */
2634 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2635 dynstr
= eht
->dynstr
;
2637 for (reg
= 0; reg
< 4; reg
++)
2638 if (app_regs
[reg
].name
!= NULL
)
2640 struct elf_link_local_dynamic_entry
*entry
, *e
;
2642 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2645 entry
= (struct elf_link_local_dynamic_entry
*)
2646 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2650 /* We cheat here a little bit: the symbol will not be local, so we
2651 put it at the end of the dynlocal linked list. We will fix it
2652 later on, as we have to fix other fields anyway. */
2653 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2654 entry
->isym
.st_size
= 0;
2655 if (*app_regs
[reg
].name
!= '\0')
2657 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2659 entry
->isym
.st_name
= 0;
2660 entry
->isym
.st_other
= 0;
2661 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2663 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2664 entry
->isym
.st_target_internal
= 0;
2666 entry
->input_bfd
= output_bfd
;
2667 entry
->input_indx
= -1;
2669 if (eht
->dynlocal
== NULL
)
2670 eht
->dynlocal
= entry
;
2673 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2680 if (htab
->is_vxworks
2681 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2684 #undef add_dynamic_entry
2690 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2692 if (!sec
->used_by_bfd
)
2694 struct _bfd_sparc_elf_section_data
*sdata
;
2695 size_t amt
= sizeof (*sdata
);
2697 sdata
= bfd_zalloc (abfd
, amt
);
2700 sec
->used_by_bfd
= sdata
;
2703 return _bfd_elf_new_section_hook (abfd
, sec
);
2707 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2708 struct bfd_section
*section
,
2709 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2712 if (bfd_link_relocatable (link_info
))
2713 (*link_info
->callbacks
->einfo
)
2714 (_("%P%F: --relax and -r may not be used together\n"));
2717 sec_do_relax (section
) = 1;
2721 /* Return the base VMA address which should be subtracted from real addresses
2722 when resolving @dtpoff relocation.
2723 This is PT_TLS segment p_vaddr. */
2726 dtpoff_base (struct bfd_link_info
*info
)
2728 /* If tls_sec is NULL, we should have signalled an error already. */
2729 if (elf_hash_table (info
)->tls_sec
== NULL
)
2731 return elf_hash_table (info
)->tls_sec
->vma
;
2734 /* Return the relocation value for @tpoff relocation
2735 if STT_TLS virtual address is ADDRESS. */
2738 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2740 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2741 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2742 bfd_vma static_tls_size
;
2744 /* If tls_sec is NULL, we should have signalled an error already. */
2745 if (htab
->tls_sec
== NULL
)
2748 /* Consider special static TLS alignment requirements. */
2749 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2750 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2753 /* Return the relocation value for a %gdop relocation. */
2756 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2758 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2761 got_base
= (htab
->hgot
->root
.u
.def
.value
2762 + htab
->hgot
->root
.u
.def
.section
->output_offset
2763 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2765 return address
- got_base
;
2768 /* Return whether H is local and its ADDRESS is within 4G of
2769 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2770 sethi, xor sequence. */
2773 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2774 struct elf_link_hash_entry
*h
,
2775 bfd_vma address ATTRIBUTE_UNUSED
)
2777 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2779 /* If H is undefined, ADDRESS will be zero. We can't allow a
2780 relative offset to "zero" when producing PIEs or shared libs.
2781 Note that to get here with an undefined symbol it must also be
2782 hidden or internal visibility. */
2783 if (bfd_link_pic (info
)
2785 && (h
->root
.type
== bfd_link_hash_undefweak
2786 || h
->root
.type
== bfd_link_hash_undefined
))
2789 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2795 /* Relocate a SPARC ELF section. */
2798 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2799 struct bfd_link_info
*info
,
2801 asection
*input_section
,
2803 Elf_Internal_Rela
*relocs
,
2804 Elf_Internal_Sym
*local_syms
,
2805 asection
**local_sections
)
2807 struct _bfd_sparc_elf_link_hash_table
*htab
;
2808 Elf_Internal_Shdr
*symtab_hdr
;
2809 struct elf_link_hash_entry
**sym_hashes
;
2810 bfd_vma
*local_got_offsets
;
2813 Elf_Internal_Rela
*rel
;
2814 Elf_Internal_Rela
*relend
;
2816 bfd_boolean is_vxworks_tls
;
2818 htab
= _bfd_sparc_elf_hash_table (info
);
2819 BFD_ASSERT (htab
!= NULL
);
2820 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2821 sym_hashes
= elf_sym_hashes (input_bfd
);
2822 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2824 if (elf_hash_table (info
)->hgot
== NULL
)
2827 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2829 sreloc
= elf_section_data (input_section
)->sreloc
;
2830 /* We have to handle relocations in vxworks .tls_vars sections
2831 specially, because the dynamic loader is 'weird'. */
2832 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2833 && !strcmp (input_section
->output_section
->name
,
2837 if (ABI_64_P (output_bfd
))
2838 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2840 num_relocs
= input_section
->reloc_count
;
2841 relend
= relocs
+ num_relocs
;
2842 for (; rel
< relend
; rel
++)
2844 int r_type
, tls_type
;
2845 reloc_howto_type
*howto
;
2846 unsigned long r_symndx
;
2847 struct elf_link_hash_entry
*h
;
2848 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2849 Elf_Internal_Sym
*sym
;
2851 bfd_vma relocation
, off
;
2852 bfd_reloc_status_type r
;
2853 bfd_boolean is_plt
= FALSE
;
2854 bfd_boolean unresolved_reloc
;
2855 bfd_boolean resolved_to_zero
;
2856 bfd_boolean relative_reloc
;
2858 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2859 if (r_type
== R_SPARC_GNU_VTINHERIT
2860 || r_type
== R_SPARC_GNU_VTENTRY
)
2863 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2865 bfd_set_error (bfd_error_bad_value
);
2869 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2870 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2874 unresolved_reloc
= FALSE
;
2875 if (r_symndx
< symtab_hdr
->sh_info
)
2877 sym
= local_syms
+ r_symndx
;
2878 sec
= local_sections
[r_symndx
];
2879 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2881 if (!bfd_link_relocatable (info
)
2882 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
2884 /* Relocate against local STT_GNU_IFUNC symbol. */
2885 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
2890 /* Set STT_GNU_IFUNC symbol value. */
2891 h
->root
.u
.def
.value
= sym
->st_value
;
2892 h
->root
.u
.def
.section
= sec
;
2897 bfd_boolean warned
, ignored
;
2899 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2900 r_symndx
, symtab_hdr
, sym_hashes
,
2902 unresolved_reloc
, warned
, ignored
);
2905 /* To avoid generating warning messages about truncated
2906 relocations, set the relocation's address to be the same as
2907 the start of this section. */
2908 if (input_section
->output_section
!= NULL
)
2909 relocation
= input_section
->output_section
->vma
;
2915 if (sec
!= NULL
&& discarded_section (sec
))
2916 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
2917 rel
, 1, relend
, howto
, 0, contents
);
2919 if (bfd_link_relocatable (info
))
2923 && h
->type
== STT_GNU_IFUNC
2929 if ((input_section
->flags
& SEC_ALLOC
) == 0
2930 || h
->plt
.offset
== (bfd_vma
) -1)
2932 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
2933 STT_GNU_IFUNC symbol as STT_FUNC. */
2934 if (elf_section_type (input_section
) == SHT_NOTE
)
2939 plt_sec
= htab
->elf
.splt
;
2941 plt_sec
=htab
->elf
.iplt
;
2945 case R_SPARC_GOTDATA_OP
:
2948 case R_SPARC_GOTDATA_OP_HIX22
:
2949 case R_SPARC_GOTDATA_OP_LOX10
:
2950 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
2953 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2959 if (htab
->elf
.sgot
== NULL
)
2961 off
= h
->got
.offset
;
2962 if (off
== (bfd_vma
) -1)
2964 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
2967 case R_SPARC_WPLT30
:
2968 case R_SPARC_WDISP30
:
2969 relocation
= (plt_sec
->output_section
->vma
2970 + plt_sec
->output_offset
+ h
->plt
.offset
);
2975 if (bfd_link_pic (info
) && h
->non_got_ref
)
2977 Elf_Internal_Rela outrel
;
2980 offset
= _bfd_elf_section_offset (output_bfd
, info
,
2983 if (offset
== (bfd_vma
) -1
2984 || offset
== (bfd_vma
) -2)
2987 outrel
.r_offset
= (input_section
->output_section
->vma
2988 + input_section
->output_offset
2991 if (h
->dynindx
== -1
2993 || bfd_link_executable (info
))
2995 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
2996 0, R_SPARC_IRELATIVE
);
2997 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3001 if (h
->dynindx
== -1)
3003 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3004 outrel
.r_addend
= rel
->r_addend
;
3007 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3011 relocation
= (plt_sec
->output_section
->vma
3012 + plt_sec
->output_offset
+ h
->plt
.offset
);
3017 /* We should only see such relocs in static links. */
3018 if (bfd_link_pic (info
))
3020 relocation
= (plt_sec
->output_section
->vma
3021 + plt_sec
->output_offset
+ h
->plt
.offset
);
3025 if (h
->root
.root
.string
)
3026 name
= h
->root
.root
.string
;
3028 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3031 /* xgettext:c-format */
3032 (_("%pB: relocation %s against STT_GNU_IFUNC "
3033 "symbol `%s' isn't handled by %s"), input_bfd
,
3034 _bfd_sparc_elf_howto_table
[r_type
].name
,
3035 name
, __FUNCTION__
);
3036 bfd_set_error (bfd_error_bad_value
);
3042 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3043 resolved_to_zero
= eh
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
3047 case R_SPARC_GOTDATA_OP_HIX22
:
3048 case R_SPARC_GOTDATA_OP_LOX10
:
3049 if (gdop_relative_offset_ok (info
, h
, relocation
))
3051 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3052 ? R_SPARC_GOTDATA_HIX22
3053 : R_SPARC_GOTDATA_LOX10
);
3054 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3058 case R_SPARC_GOTDATA_OP
:
3059 if (gdop_relative_offset_ok (info
, h
, relocation
))
3061 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3063 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3064 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3065 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3067 /* If the symbol is global but not dynamic, an .rela.* slot has
3068 been allocated for it in the GOT so output R_SPARC_NONE here,
3069 if it isn't also subject to another, old-style GOT relocation.
3070 See also the handling of these GOT relocations just below. */
3074 && h
->root
.type
!= bfd_link_hash_undefweak
3075 && !eh
->has_old_style_got_reloc
3076 && (h
->got
.offset
& 1) == 0
3077 && bfd_link_pic (info
))
3079 asection
*s
= htab
->elf
.srelgot
;
3080 Elf_Internal_Rela outrel
;
3082 BFD_ASSERT (s
!= NULL
);
3084 memset (&outrel
, 0, sizeof outrel
);
3085 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3094 case R_SPARC_GOTDATA_HIX22
:
3095 case R_SPARC_GOTDATA_LOX10
:
3096 relocation
= gdopoff (info
, relocation
);
3099 case R_SPARC_GOTDATA_OP_HIX22
:
3100 case R_SPARC_GOTDATA_OP_LOX10
:
3104 /* Relocation is to the entry for this symbol in the global
3106 if (htab
->elf
.sgot
== NULL
)
3109 relative_reloc
= FALSE
;
3114 off
= h
->got
.offset
;
3115 BFD_ASSERT (off
!= (bfd_vma
) -1);
3116 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3118 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3119 bfd_link_pic (info
),
3121 || (bfd_link_pic (info
)
3122 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3124 /* This is actually a static link, or it is a
3125 -Bsymbolic link and the symbol is defined
3126 locally, or the symbol was forced to be local
3127 because of a version file. We must initialize
3128 this entry in the global offset table. Since the
3129 offset must always be a multiple of 8 for 64-bit
3130 and 4 for 32-bit, we use the least significant bit
3131 to record whether we have initialized it already.
3133 When doing a dynamic link, we create a .rela.got
3134 relocation entry to initialize the value. This
3135 is done in the finish_dynamic_symbol routine. */
3140 /* If this symbol isn't dynamic in PIC mode, treat it
3141 like a local symbol in PIC mode below. */
3142 if (h
->dynindx
== -1
3144 && h
->root
.type
!= bfd_link_hash_undefweak
3145 && bfd_link_pic (info
))
3146 relative_reloc
= TRUE
;
3148 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3149 htab
->elf
.sgot
->contents
+ off
);
3154 unresolved_reloc
= FALSE
;
3158 BFD_ASSERT (local_got_offsets
!= NULL
3159 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3161 off
= local_got_offsets
[r_symndx
];
3163 /* The offset must always be a multiple of 8 on 64-bit and
3164 4 on 32-bit. We use the least significant bit to record
3165 whether we have already processed this entry. */
3170 /* For a local symbol in PIC mode, we need to generate a
3171 R_SPARC_RELATIVE reloc for the dynamic linker. */
3172 if (bfd_link_pic (info
))
3173 relative_reloc
= TRUE
;
3175 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3176 htab
->elf
.sgot
->contents
+ off
);
3177 local_got_offsets
[r_symndx
] |= 1;
3183 asection
*s
= htab
->elf
.srelgot
;
3184 Elf_Internal_Rela outrel
;
3186 BFD_ASSERT (s
!= NULL
);
3188 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3189 + htab
->elf
.sgot
->output_offset
3191 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3192 0, R_SPARC_RELATIVE
);
3193 outrel
.r_addend
= relocation
;
3194 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3195 /* Versions of glibc ld.so at least up to 2.26 wrongly
3196 add the section contents to the value calculated for
3197 a RELATIVE reloc. Zero the contents to work around
3200 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3201 htab
->elf
.sgot
->contents
+ off
);
3204 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3209 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3211 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3216 case R_SPARC_WPLT30
:
3217 case R_SPARC_HIPLT22
:
3218 case R_SPARC_LOPLT10
:
3219 case R_SPARC_PCPLT32
:
3220 case R_SPARC_PCPLT22
:
3221 case R_SPARC_PCPLT10
:
3223 /* Relocation is to the entry for this symbol in the
3224 procedure linkage table. */
3226 if (! ABI_64_P (output_bfd
))
3228 /* The Solaris native assembler will generate a WPLT30 reloc
3229 for a local symbol if you assemble a call from one
3230 section to another when using -K pic. We treat it as
3235 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3236 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3240 BFD_ASSERT (h
!= NULL
);
3243 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3245 /* We didn't make a PLT entry for this symbol. This
3246 happens when statically linking PIC code, or when
3247 using -Bsymbolic. */
3251 relocation
= (htab
->elf
.splt
->output_section
->vma
3252 + htab
->elf
.splt
->output_offset
3254 unresolved_reloc
= FALSE
;
3255 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3257 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3265 case R_SPARC_PC_HH22
:
3266 case R_SPARC_PC_HM10
:
3267 case R_SPARC_PC_LM22
:
3269 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3273 case R_SPARC_DISP16
:
3274 case R_SPARC_DISP32
:
3275 case R_SPARC_DISP64
:
3276 case R_SPARC_WDISP30
:
3277 case R_SPARC_WDISP22
:
3278 case R_SPARC_WDISP19
:
3279 case R_SPARC_WDISP16
:
3280 case R_SPARC_WDISP10
:
3308 if ((input_section
->flags
& SEC_ALLOC
) == 0 || is_vxworks_tls
)
3311 /* Copy dynamic function pointer relocations. Don't generate
3312 dynamic relocations against resolved undefined weak symbols
3314 if ((bfd_link_pic (info
)
3316 || !(h
->root
.type
== bfd_link_hash_undefweak
3317 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
3318 || resolved_to_zero
)))
3319 && (! howto
->pc_relative
3320 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3321 || (!bfd_link_pic (info
)
3327 || (h
->root
.type
== bfd_link_hash_undefweak
3328 && !resolved_to_zero
)
3329 || h
->root
.type
== bfd_link_hash_undefined
)))
3331 Elf_Internal_Rela outrel
;
3332 bfd_boolean skip
, relocate
= FALSE
;
3334 /* When generating a shared object, these relocations
3335 are copied into the output file to be resolved at run
3338 BFD_ASSERT (sreloc
!= NULL
);
3343 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3345 if (outrel
.r_offset
== (bfd_vma
) -1)
3347 else if (outrel
.r_offset
== (bfd_vma
) -2)
3348 skip
= TRUE
, relocate
= TRUE
;
3349 outrel
.r_offset
+= (input_section
->output_section
->vma
3350 + input_section
->output_offset
);
3352 /* Optimize unaligned reloc usage now that we know where
3353 it finally resides. */
3357 if (outrel
.r_offset
& 1)
3358 r_type
= R_SPARC_UA16
;
3361 if (!(outrel
.r_offset
& 1))
3362 r_type
= R_SPARC_16
;
3365 if (outrel
.r_offset
& 3)
3366 r_type
= R_SPARC_UA32
;
3369 if (!(outrel
.r_offset
& 3))
3370 r_type
= R_SPARC_32
;
3373 if (outrel
.r_offset
& 7)
3374 r_type
= R_SPARC_UA64
;
3377 if (!(outrel
.r_offset
& 7))
3378 r_type
= R_SPARC_64
;
3381 case R_SPARC_DISP16
:
3382 case R_SPARC_DISP32
:
3383 case R_SPARC_DISP64
:
3384 /* If the symbol is not dynamic, we should not keep
3385 a dynamic relocation. But an .rela.* slot has been
3386 allocated for it, output R_SPARC_NONE.
3387 FIXME: Add code tracking needed dynamic relocs as
3389 if (h
->dynindx
== -1)
3390 skip
= TRUE
, relocate
= TRUE
;
3395 memset (&outrel
, 0, sizeof outrel
);
3396 /* h->dynindx may be -1 if the symbol was marked to
3400 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3401 || !bfd_link_pic (info
)
3402 || !SYMBOLIC_BIND (info
, h
)
3403 || !h
->def_regular
))
3405 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3406 outrel
.r_addend
= rel
->r_addend
;
3410 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3411 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3413 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3414 0, R_SPARC_RELATIVE
);
3415 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3421 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3424 sec
= htab
->elf
.splt
;
3426 if (bfd_is_abs_section (sec
))
3428 else if (sec
== NULL
|| sec
->owner
== NULL
)
3430 bfd_set_error (bfd_error_bad_value
);
3437 /* We are turning this relocation into one
3438 against a section symbol. It would be
3439 proper to subtract the symbol's value,
3440 osec->vma, from the emitted reloc addend,
3441 but ld.so expects buggy relocs. */
3442 osec
= sec
->output_section
;
3443 indx
= elf_section_data (osec
)->dynindx
;
3447 osec
= htab
->elf
.text_index_section
;
3448 indx
= elf_section_data (osec
)->dynindx
;
3451 /* FIXME: we really should be able to link non-pic
3452 shared libraries. */
3457 (_("%pB: probably compiled without -fPIC?"),
3459 bfd_set_error (bfd_error_bad_value
);
3464 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3469 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3471 /* This reloc will be computed at runtime, so there's no
3472 need to do anything now. */
3478 case R_SPARC_TLS_GD_HI22
:
3479 case R_SPARC_TLS_GD_LO10
:
3480 case R_SPARC_TLS_IE_HI22
:
3481 case R_SPARC_TLS_IE_LO10
:
3482 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
,
3483 h
== NULL
|| h
->dynindx
== -1);
3484 if (r_type
== R_SPARC_REV32
)
3487 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3488 else if (local_got_offsets
)
3489 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3491 tls_type
= GOT_UNKNOWN
;
3492 if (tls_type
== GOT_TLS_IE
)
3495 case R_SPARC_TLS_GD_HI22
:
3496 r_type
= R_SPARC_TLS_IE_HI22
;
3498 case R_SPARC_TLS_GD_LO10
:
3499 r_type
= R_SPARC_TLS_IE_LO10
;
3503 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3505 relocation
= tpoff (info
, relocation
);
3508 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3510 /* Change add into xor. */
3511 relocation
= tpoff (info
, relocation
);
3512 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3513 contents
+ rel
->r_offset
)
3514 | 0x80182000), contents
+ rel
->r_offset
);
3520 off
= h
->got
.offset
;
3525 BFD_ASSERT (local_got_offsets
!= NULL
);
3526 off
= local_got_offsets
[r_symndx
];
3527 local_got_offsets
[r_symndx
] |= 1;
3531 if (htab
->elf
.sgot
== NULL
)
3538 Elf_Internal_Rela outrel
;
3541 if (htab
->elf
.srelgot
== NULL
)
3544 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3545 htab
->elf
.sgot
->contents
+ off
);
3546 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3547 + htab
->elf
.sgot
->output_offset
+ off
);
3548 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3549 if (r_type
== R_SPARC_TLS_IE_HI22
3550 || r_type
== R_SPARC_TLS_IE_LO10
)
3551 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3553 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3554 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3555 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3557 outrel
.r_addend
= 0;
3558 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3559 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3561 if (r_type
== R_SPARC_TLS_GD_HI22
3562 || r_type
== R_SPARC_TLS_GD_LO10
)
3566 BFD_ASSERT (! unresolved_reloc
);
3567 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3568 relocation
- dtpoff_base (info
),
3569 (htab
->elf
.sgot
->contents
+ off
3570 + SPARC_ELF_WORD_BYTES (htab
)));
3574 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3575 (htab
->elf
.sgot
->contents
+ off
3576 + SPARC_ELF_WORD_BYTES (htab
)));
3577 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3578 SPARC_ELF_DTPOFF_RELOC (htab
));
3579 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3580 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3584 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3586 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3587 (htab
->elf
.sgot
->contents
+ off
3588 + SPARC_ELF_WORD_BYTES (htab
)));
3592 if (off
>= (bfd_vma
) -2)
3595 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3596 unresolved_reloc
= FALSE
;
3597 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3600 case R_SPARC_TLS_LDM_HI22
:
3601 case R_SPARC_TLS_LDM_LO10
:
3603 if (bfd_link_executable (info
))
3605 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3608 off
= htab
->tls_ldm_got
.offset
;
3609 htab
->tls_ldm_got
.offset
|= 1;
3610 goto r_sparc_tlsldm
;
3612 case R_SPARC_TLS_LDO_HIX22
:
3613 case R_SPARC_TLS_LDO_LOX10
:
3615 if (bfd_link_executable (info
))
3617 if (r_type
== R_SPARC_TLS_LDO_HIX22
)
3618 r_type
= R_SPARC_TLS_LE_HIX22
;
3620 r_type
= R_SPARC_TLS_LE_LOX10
;
3624 relocation
-= dtpoff_base (info
);
3629 case R_SPARC_TLS_LE_HIX22
:
3630 case R_SPARC_TLS_LE_LOX10
:
3631 if (!bfd_link_executable (info
))
3633 Elf_Internal_Rela outrel
;
3635 = _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3637 if (offset
== (bfd_vma
) -1 || offset
== (bfd_vma
) -2)
3638 memset (&outrel
, 0, sizeof outrel
);
3641 outrel
.r_offset
= offset
3642 + input_section
->output_section
->vma
3643 + input_section
->output_offset
;
3644 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3646 = relocation
- dtpoff_base (info
) + rel
->r_addend
;
3649 BFD_ASSERT (sreloc
!= NULL
);
3650 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3653 relocation
= tpoff (info
, relocation
);
3656 case R_SPARC_TLS_LDM_CALL
:
3658 if (bfd_link_executable (info
))
3661 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3666 case R_SPARC_TLS_GD_CALL
:
3668 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3669 else if (local_got_offsets
)
3670 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3672 tls_type
= GOT_UNKNOWN
;
3673 /* GD -> IE or LE */
3674 if (bfd_link_executable (info
)
3675 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3677 Elf_Internal_Rela
*rel2
;
3681 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3683 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3688 if (rel
+ 1 < relend
3689 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3690 && rel
[1].r_offset
== rel
->r_offset
+ 4
3691 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3692 && (((insn
= bfd_get_32 (input_bfd
,
3693 contents
+ rel
[1].r_offset
))
3694 >> 25) & 0x1f) == 8)
3697 call __tls_get_addr, %tgd_call(foo)
3698 add %reg1, %reg2, %o0, %tgd_add(foo)
3699 and change it into IE:
3700 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3701 add %g7, %o0, %o0, %tie_add(foo).
3702 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3703 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3704 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3705 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3706 contents
+ rel
->r_offset
);
3707 bfd_put_32 (output_bfd
, 0x9001c008,
3708 contents
+ rel
->r_offset
+ 4);
3713 /* We cannot just overwrite the delay slot instruction,
3714 as it might be what puts the %o0 argument to
3715 __tls_get_addr into place. So we have to transpose
3716 the delay slot with the add we patch in. */
3717 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3718 bfd_put_32 (output_bfd
, insn
,
3719 contents
+ rel
->r_offset
);
3720 bfd_put_32 (output_bfd
, 0x9001c008,
3721 contents
+ rel
->r_offset
+ 4);
3724 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3728 /* If the instruction we moved has a relocation attached to
3729 it, adjust the offset so that it will apply to the correct
3731 rel2
->r_offset
-= 4;
3736 h
= (struct elf_link_hash_entry
*)
3737 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3739 BFD_ASSERT (h
!= NULL
);
3740 r_type
= R_SPARC_WPLT30
;
3741 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3742 goto r_sparc_wplt30
;
3744 case R_SPARC_TLS_GD_ADD
:
3746 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3747 else if (local_got_offsets
)
3748 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3750 tls_type
= GOT_UNKNOWN
;
3751 /* GD -> IE or LE */
3752 if (bfd_link_executable (info
) || tls_type
== GOT_TLS_IE
)
3754 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3756 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3758 add %g7, %reg2, %reg3. */
3759 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3760 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3761 relocation
= (insn
& ~0x7c000) | 0x1c000;
3763 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3764 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3768 case R_SPARC_TLS_LDM_ADD
:
3770 if (bfd_link_executable (info
))
3771 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3774 case R_SPARC_TLS_LDO_ADD
:
3776 if (bfd_link_executable (info
))
3778 /* Change rs1 into %g7. */
3779 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3780 insn
= (insn
& ~0x7c000) | 0x1c000;
3781 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3785 case R_SPARC_TLS_IE_LD
:
3786 case R_SPARC_TLS_IE_LDX
:
3788 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3790 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3791 int rs2
= insn
& 0x1f;
3792 int rd
= (insn
>> 25) & 0x1f;
3795 relocation
= SPARC_NOP
;
3797 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3798 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3802 case R_SPARC_TLS_IE_ADD
:
3803 /* Totally useless relocation. */
3806 case R_SPARC_TLS_DTPOFF32
:
3807 case R_SPARC_TLS_DTPOFF64
:
3808 relocation
-= dtpoff_base (info
);
3815 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3816 because such sections are not SEC_ALLOC and thus ld.so will
3817 not process them. */
3818 if (unresolved_reloc
3819 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3821 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3822 rel
->r_offset
) != (bfd_vma
) -1)
3824 /* xgettext:c-format */
3825 (_("%pB(%pA+%#" PRIx64
"): "
3826 "unresolvable %s relocation against symbol `%s'"),
3829 (uint64_t) rel
->r_offset
,
3831 h
->root
.root
.string
);
3833 r
= bfd_reloc_continue
;
3834 if (r_type
== R_SPARC_OLO10
)
3838 if (! ABI_64_P (output_bfd
))
3841 relocation
+= rel
->r_addend
;
3842 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3844 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3845 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3846 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3848 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3849 howto
->bitsize
, howto
->rightshift
,
3850 bfd_arch_bits_per_address (input_bfd
),
3853 else if (r_type
== R_SPARC_WDISP16
)
3857 relocation
+= rel
->r_addend
;
3858 relocation
-= (input_section
->output_section
->vma
3859 + input_section
->output_offset
);
3860 relocation
-= rel
->r_offset
;
3862 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3863 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3864 | ((relocation
>> 2) & 0x3fff));
3865 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3867 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3868 howto
->bitsize
, howto
->rightshift
,
3869 bfd_arch_bits_per_address (input_bfd
),
3872 else if (r_type
== R_SPARC_WDISP10
)
3876 relocation
+= rel
->r_addend
;
3877 relocation
-= (input_section
->output_section
->vma
3878 + input_section
->output_offset
);
3879 relocation
-= rel
->r_offset
;
3881 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3882 x
|= ((((relocation
>> 2) & 0x300) << 11)
3883 | (((relocation
>> 2) & 0xff) << 5));
3884 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3886 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3887 howto
->bitsize
, howto
->rightshift
,
3888 bfd_arch_bits_per_address (input_bfd
),
3891 else if (r_type
== R_SPARC_REV32
)
3895 relocation
= relocation
+ rel
->r_addend
;
3897 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3899 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3902 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3903 || r_type
== R_SPARC_TLS_LE_HIX22
)
3907 relocation
+= rel
->r_addend
;
3908 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3909 relocation
^= MINUS_ONE
;
3911 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3912 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3913 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3916 else if (r_type
== R_SPARC_TLS_LDO_LOX10
3917 || r_type
== R_SPARC_TLS_LE_LOX10
)
3921 relocation
+= rel
->r_addend
;
3922 relocation
&= 0x3ff;
3923 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3924 relocation
|= 0x1c00;
3926 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3927 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3928 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3932 else if (r_type
== R_SPARC_HIX22
3933 || r_type
== R_SPARC_GOTDATA_HIX22
3934 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
3938 relocation
+= rel
->r_addend
;
3939 if (r_type
== R_SPARC_HIX22
3940 || (bfd_signed_vma
) relocation
< 0)
3941 relocation
= relocation
^ MINUS_ONE
;
3943 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3944 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3945 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3947 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3948 howto
->bitsize
, howto
->rightshift
,
3949 bfd_arch_bits_per_address (input_bfd
),
3952 else if (r_type
== R_SPARC_LOX10
3953 || r_type
== R_SPARC_GOTDATA_LOX10
3954 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
3958 relocation
+= rel
->r_addend
;
3959 if (r_type
== R_SPARC_LOX10
3960 || (bfd_signed_vma
) relocation
< 0)
3961 relocation
= (relocation
& 0x3ff) | 0x1c00;
3963 relocation
= (relocation
& 0x3ff);
3965 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3966 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
3967 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3971 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
3972 && sec_do_relax (input_section
)
3973 && rel
->r_offset
+ 4 < input_section
->size
)
3977 #define XCC (2 << 20)
3978 #define COND(x) (((x)&0xf)<<25)
3979 #define CONDA COND(0x8)
3980 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
3981 #define INSN_BA (F2(0,2) | CONDA)
3982 #define INSN_OR F3(2, 0x2, 0)
3983 #define INSN_NOP F2(0,4)
3987 /* If the instruction is a call with either:
3989 arithmetic instruction with rd == %o7
3990 where rs1 != %o7 and rs2 if it is register != %o7
3991 then we can optimize if the call destination is near
3992 by changing the call into a branch always. */
3993 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3994 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3995 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
3997 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
3998 || ((y
& OP3(0x28)) == 0 /* arithmetic */
3999 && (y
& RD(~0)) == RD(O7
)))
4000 && (y
& RS1(~0)) != RS1(O7
)
4002 || (y
& RS2(~0)) != RS2(O7
)))
4006 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4007 reloc
-= (input_section
->output_section
->vma
4008 + input_section
->output_offset
);
4010 /* Ensure the branch fits into simm22. */
4011 if ((reloc
& 3) == 0
4012 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4013 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4017 /* Check whether it fits into simm19. */
4018 if (((reloc
& 0x3c0000) == 0
4019 || (reloc
& 0x3c0000) == 0x3c0000)
4020 && (ABI_64_P (output_bfd
)
4021 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4022 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4024 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4025 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4027 if (rel
->r_offset
>= 4
4028 && (y
& (0xffffffff ^ RS1(~0)))
4029 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4034 z
= bfd_get_32 (input_bfd
,
4035 contents
+ rel
->r_offset
- 4);
4036 if ((z
& (0xffffffff ^ RD(~0)))
4037 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4045 If call foo was replaced with ba, replace
4046 or %rN, %g0, %o7 with nop. */
4048 reg
= (y
& RS1(~0)) >> 14;
4049 if (reg
!= ((z
& RD(~0)) >> 25)
4050 || reg
== G0
|| reg
== O7
)
4053 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4054 contents
+ rel
->r_offset
+ 4);
4062 if (r
== bfd_reloc_continue
)
4065 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4066 contents
, rel
->r_offset
,
4067 relocation
, rel
->r_addend
);
4069 if (r
!= bfd_reloc_ok
)
4074 case bfd_reloc_outofrange
:
4076 case bfd_reloc_overflow
:
4080 /* The Solaris native linker silently disregards overflows.
4081 We don't, but this breaks stabs debugging info, whose
4082 relocations are only 32-bits wide. Ignore overflows in
4083 this case and also for discarded entries. */
4084 if ((r_type
== R_SPARC_32
4085 || r_type
== R_SPARC_UA32
4086 || r_type
== R_SPARC_DISP32
)
4087 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4088 && strcmp (bfd_section_name (input_section
),
4090 || _bfd_elf_section_offset (output_bfd
, info
,
4098 /* Assume this is a call protected by other code that
4099 detect the symbol is undefined. If this is the case,
4100 we can safely ignore the overflow. If not, the
4101 program is hosed anyway, and a little warning isn't
4103 if (h
->root
.type
== bfd_link_hash_undefweak
4104 && howto
->pc_relative
)
4111 name
= bfd_elf_string_from_elf_section (input_bfd
,
4112 symtab_hdr
->sh_link
,
4117 name
= bfd_section_name (sec
);
4119 (*info
->callbacks
->reloc_overflow
)
4120 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4121 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4131 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4132 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4133 is the offset of the associated .got.plt entry from
4134 _GLOBAL_OFFSET_TABLE_. */
4137 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4138 bfd_vma plt_offset
, bfd_vma plt_index
,
4142 const bfd_vma
*plt_entry
;
4143 struct _bfd_sparc_elf_link_hash_table
*htab
;
4145 Elf_Internal_Rela rela
;
4147 htab
= _bfd_sparc_elf_hash_table (info
);
4148 BFD_ASSERT (htab
!= NULL
);
4150 if (bfd_link_pic (info
))
4152 plt_entry
= sparc_vxworks_shared_plt_entry
;
4157 plt_entry
= sparc_vxworks_exec_plt_entry
;
4158 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4159 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4160 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4163 /* Fill in the entry in the procedure linkage table. */
4164 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4165 htab
->elf
.splt
->contents
+ plt_offset
);
4166 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4167 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4168 bfd_put_32 (output_bfd
, plt_entry
[2],
4169 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4170 bfd_put_32 (output_bfd
, plt_entry
[3],
4171 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4172 bfd_put_32 (output_bfd
, plt_entry
[4],
4173 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4174 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4175 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4176 /* PC-relative displacement for a branch to the start of
4178 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4180 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4181 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4182 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4184 /* Fill in the .got.plt entry, pointing initially at the
4185 second half of the PLT entry. */
4186 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4187 bfd_put_32 (output_bfd
,
4188 htab
->elf
.splt
->output_section
->vma
4189 + htab
->elf
.splt
->output_offset
4191 htab
->elf
.sgotplt
->contents
+ got_offset
);
4193 /* Add relocations to .rela.plt.unloaded. */
4194 if (!bfd_link_pic (info
))
4196 loc
= (htab
->srelplt2
->contents
4197 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4199 /* Relocate the initial sethi. */
4200 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4201 + htab
->elf
.splt
->output_offset
4203 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4204 rela
.r_addend
= got_offset
;
4205 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4206 loc
+= sizeof (Elf32_External_Rela
);
4208 /* Likewise the following or. */
4210 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4211 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4212 loc
+= sizeof (Elf32_External_Rela
);
4214 /* Relocate the .got.plt entry. */
4215 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4216 + htab
->elf
.sgotplt
->output_offset
4218 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4219 rela
.r_addend
= plt_offset
+ 20;
4220 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4224 /* Finish up dynamic symbol handling. We set the contents of various
4225 dynamic sections here. */
4228 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4229 struct bfd_link_info
*info
,
4230 struct elf_link_hash_entry
*h
,
4231 Elf_Internal_Sym
*sym
)
4233 struct _bfd_sparc_elf_link_hash_table
*htab
;
4234 const struct elf_backend_data
*bed
;
4235 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4236 bfd_boolean resolved_to_zero
;
4238 htab
= _bfd_sparc_elf_hash_table (info
);
4239 BFD_ASSERT (htab
!= NULL
);
4240 bed
= get_elf_backend_data (output_bfd
);
4242 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4244 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4245 resolved undefined weak symbols in executable so that their
4246 references have value 0 at run-time. */
4247 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4249 if (h
->plt
.offset
!= (bfd_vma
) -1)
4253 Elf_Internal_Rela rela
;
4255 bfd_vma r_offset
, got_offset
;
4258 /* When building a static executable, use .iplt and
4259 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4260 if (htab
->elf
.splt
!= NULL
)
4262 splt
= htab
->elf
.splt
;
4263 srela
= htab
->elf
.srelplt
;
4267 splt
= htab
->elf
.iplt
;
4268 srela
= htab
->elf
.irelplt
;
4271 if (splt
== NULL
|| srela
== NULL
)
4274 /* Fill in the entry in the .rela.plt section. */
4275 if (htab
->is_vxworks
)
4277 /* Work out the index of this PLT entry. */
4278 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4279 / htab
->plt_entry_size
);
4281 /* Calculate the offset of the associated .got.plt entry.
4282 The first three entries are reserved. */
4283 got_offset
= (rela_index
+ 3) * 4;
4285 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4286 rela_index
, got_offset
);
4289 /* On VxWorks, the relocation points to the .got.plt entry,
4290 not the .plt entry. */
4291 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4292 + htab
->elf
.sgotplt
->output_offset
4295 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4300 bfd_boolean ifunc
= FALSE
;
4302 /* Fill in the entry in the procedure linkage table. */
4303 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4304 h
->plt
.offset
, splt
->size
,
4309 || ((bfd_link_executable (info
)
4310 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4312 && h
->type
== STT_GNU_IFUNC
))
4315 BFD_ASSERT (h
== NULL
4316 || (h
->type
== STT_GNU_IFUNC
4318 && (h
->root
.type
== bfd_link_hash_defined
4319 || h
->root
.type
== bfd_link_hash_defweak
)));
4322 rela
.r_offset
= r_offset
4323 + (splt
->output_section
->vma
+ splt
->output_offset
);
4324 if (ABI_64_P (output_bfd
)
4325 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4329 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4330 + h
->root
.u
.def
.section
->output_offset
4331 + h
->root
.u
.def
.value
);
4332 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4337 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4338 - splt
->output_section
->vma
4339 - splt
->output_offset
);
4340 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4348 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4349 + h
->root
.u
.def
.section
->output_offset
4350 + h
->root
.u
.def
.value
);
4351 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4357 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4363 /* Adjust for the first 4 reserved elements in the .plt section
4364 when setting the offset in the .rela.plt section.
4365 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4366 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4368 loc
= srela
->contents
;
4369 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4370 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4372 if (!resolved_to_zero
&& !h
->def_regular
)
4374 /* Mark the symbol as undefined, rather than as defined in
4375 the .plt section. Leave the value alone. */
4376 sym
->st_shndx
= SHN_UNDEF
;
4377 /* If the symbol is weak, we do need to clear the value.
4378 Otherwise, the PLT entry would provide a definition for
4379 the symbol even if the symbol wasn't defined anywhere,
4380 and so the symbol would never be NULL. */
4381 if (!h
->ref_regular_nonweak
)
4386 /* Don't generate dynamic GOT relocation against resolved undefined weak
4387 symbols in an executable. */
4388 if (h
->got
.offset
!= (bfd_vma
) -1
4389 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4390 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4391 && !(h
->root
.type
== bfd_link_hash_undefweak
4392 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
4393 || resolved_to_zero
)))
4397 Elf_Internal_Rela rela
;
4399 /* This symbol has an entry in the GOT. Set it up. */
4401 sgot
= htab
->elf
.sgot
;
4402 srela
= htab
->elf
.srelgot
;
4403 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4405 rela
.r_offset
= (sgot
->output_section
->vma
4406 + sgot
->output_offset
4407 + (h
->got
.offset
&~ (bfd_vma
) 1));
4409 /* If this is a -Bsymbolic link, and the symbol is defined
4410 locally, we just want to emit a RELATIVE reloc. Likewise if
4411 the symbol was forced to be local because of a version file.
4412 The entry in the global offset table will already have been
4413 initialized in the relocate_section function. */
4414 if (! bfd_link_pic (info
)
4415 && h
->type
== STT_GNU_IFUNC
4420 /* We load the GOT entry with the PLT entry. */
4421 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4422 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4423 (plt
->output_section
->vma
4424 + plt
->output_offset
+ h
->plt
.offset
),
4425 htab
->elf
.sgot
->contents
4426 + (h
->got
.offset
& ~(bfd_vma
) 1));
4430 if (bfd_link_pic (info
) && SYMBOL_REFERENCES_LOCAL (info
, h
))
4432 asection
*sec
= h
->root
.u
.def
.section
;
4433 if (h
->type
== STT_GNU_IFUNC
)
4434 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4436 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4437 rela
.r_addend
= (h
->root
.u
.def
.value
4438 + sec
->output_section
->vma
4439 + sec
->output_offset
);
4443 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4447 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4448 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4449 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4455 Elf_Internal_Rela rela
;
4457 /* This symbols needs a copy reloc. Set it up. */
4458 BFD_ASSERT (h
->dynindx
!= -1);
4460 rela
.r_offset
= (h
->root
.u
.def
.value
4461 + h
->root
.u
.def
.section
->output_section
->vma
4462 + h
->root
.u
.def
.section
->output_offset
);
4463 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4465 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4466 s
= htab
->elf
.sreldynrelro
;
4468 s
= htab
->elf
.srelbss
;
4469 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4472 /* Mark some specially defined symbols as absolute. On VxWorks,
4473 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4474 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4476 && (h
== htab
->elf
.hdynamic
4477 || (!htab
->is_vxworks
4478 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4479 sym
->st_shndx
= SHN_ABS
;
4484 /* Finish up the dynamic sections. */
4487 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4488 bfd
*dynobj
, asection
*sdyn
,
4489 asection
*splt ATTRIBUTE_UNUSED
)
4491 struct _bfd_sparc_elf_link_hash_table
*htab
;
4492 const struct elf_backend_data
*bed
;
4493 bfd_byte
*dyncon
, *dynconend
;
4495 int stt_regidx
= -1;
4496 bfd_boolean abi_64_p
;
4498 htab
= _bfd_sparc_elf_hash_table (info
);
4499 BFD_ASSERT (htab
!= NULL
);
4500 bed
= get_elf_backend_data (output_bfd
);
4501 dynsize
= bed
->s
->sizeof_dyn
;
4502 dynconend
= sdyn
->contents
+ sdyn
->size
;
4503 abi_64_p
= ABI_64_P (output_bfd
);
4504 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4506 Elf_Internal_Dyn dyn
;
4509 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4511 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4513 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4514 not to the start of the PLT. */
4515 if (htab
->elf
.sgotplt
)
4517 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4518 + htab
->elf
.sgotplt
->output_offset
);
4519 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4522 else if (htab
->is_vxworks
4523 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4524 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4525 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4527 if (stt_regidx
== -1)
4530 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4531 if (stt_regidx
== -1)
4534 dyn
.d_un
.d_val
= stt_regidx
++;
4535 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4548 s
= htab
->elf
.srelplt
;
4552 s
= htab
->elf
.srelplt
;
4564 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4566 dyn
.d_un
.d_val
= s
->size
;
4568 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4574 /* Install the first PLT entry in a VxWorks executable and make sure that
4575 .rela.plt.unloaded relocations have the correct symbol indexes. */
4578 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4580 struct _bfd_sparc_elf_link_hash_table
*htab
;
4581 Elf_Internal_Rela rela
;
4585 htab
= _bfd_sparc_elf_hash_table (info
);
4586 BFD_ASSERT (htab
!= NULL
);
4588 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4589 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4590 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4591 + htab
->elf
.hgot
->root
.u
.def
.value
);
4593 /* Install the initial PLT entry. */
4594 bfd_put_32 (output_bfd
,
4595 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4596 htab
->elf
.splt
->contents
);
4597 bfd_put_32 (output_bfd
,
4598 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4599 htab
->elf
.splt
->contents
+ 4);
4600 bfd_put_32 (output_bfd
,
4601 sparc_vxworks_exec_plt0_entry
[2],
4602 htab
->elf
.splt
->contents
+ 8);
4603 bfd_put_32 (output_bfd
,
4604 sparc_vxworks_exec_plt0_entry
[3],
4605 htab
->elf
.splt
->contents
+ 12);
4606 bfd_put_32 (output_bfd
,
4607 sparc_vxworks_exec_plt0_entry
[4],
4608 htab
->elf
.splt
->contents
+ 16);
4610 loc
= htab
->srelplt2
->contents
;
4612 /* Add an unloaded relocation for the initial entry's "sethi". */
4613 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4614 + htab
->elf
.splt
->output_offset
);
4615 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4617 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4618 loc
+= sizeof (Elf32_External_Rela
);
4620 /* Likewise the following "or". */
4622 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4623 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4624 loc
+= sizeof (Elf32_External_Rela
);
4626 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4627 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4628 in which symbols were output. */
4629 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4631 Elf_Internal_Rela rel
;
4633 /* The entry's initial "sethi" (against _G_O_T_). */
4634 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4635 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4636 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4637 loc
+= sizeof (Elf32_External_Rela
);
4639 /* The following "or" (also against _G_O_T_). */
4640 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4641 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4642 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4643 loc
+= sizeof (Elf32_External_Rela
);
4645 /* The .got.plt entry (against _P_L_T_). */
4646 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4647 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4648 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4649 loc
+= sizeof (Elf32_External_Rela
);
4653 /* Install the first PLT entry in a VxWorks shared object. */
4656 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4658 struct _bfd_sparc_elf_link_hash_table
*htab
;
4661 htab
= _bfd_sparc_elf_hash_table (info
);
4662 BFD_ASSERT (htab
!= NULL
);
4664 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4665 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4666 htab
->elf
.splt
->contents
+ i
* 4);
4669 /* Finish up local dynamic symbol handling. We set the contents of
4670 various dynamic sections here. */
4673 finish_local_dynamic_symbol (void **slot
, void *inf
)
4675 struct elf_link_hash_entry
*h
4676 = (struct elf_link_hash_entry
*) *slot
;
4677 struct bfd_link_info
*info
4678 = (struct bfd_link_info
*) inf
;
4680 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4684 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4685 here since undefined weak symbol may not be dynamic and may not be
4686 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4689 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4692 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4693 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4695 if (h
->root
.type
!= bfd_link_hash_undefweak
4696 || h
->dynindx
!= -1)
4699 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4704 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4708 struct _bfd_sparc_elf_link_hash_table
*htab
;
4710 htab
= _bfd_sparc_elf_hash_table (info
);
4711 BFD_ASSERT (htab
!= NULL
);
4712 dynobj
= htab
->elf
.dynobj
;
4714 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4715 entries at the end of the dynlocal list, so they came at the end
4716 of the local symbols in the symtab. Except that they aren't
4717 STB_LOCAL, so we need to back up symtab->sh_info. */
4718 if (ABI_64_P (output_bfd
)
4719 && elf_hash_table (info
)->dynlocal
)
4721 asection
*dynsymsec
= bfd_get_linker_section (dynobj
, ".dynsym");
4722 struct elf_link_local_dynamic_entry
*e
;
4724 for (e
= elf_hash_table (info
)->dynlocal
; e
; e
= e
->next
)
4725 if (e
->input_indx
== -1)
4728 elf_section_data (dynsymsec
->output_section
)->this_hdr
.sh_info
4732 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4734 if (elf_hash_table (info
)->dynamic_sections_created
)
4738 splt
= htab
->elf
.splt
;
4739 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4741 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4744 /* Initialize the contents of the .plt section. */
4747 if (htab
->is_vxworks
)
4749 if (bfd_link_pic (info
))
4750 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4752 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4756 memset (splt
->contents
, 0, htab
->plt_header_size
);
4757 if (!ABI_64_P (output_bfd
))
4758 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4759 splt
->contents
+ splt
->size
- 4);
4763 if (elf_section_data (splt
->output_section
) != NULL
)
4764 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4765 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4766 ? 0 : htab
->plt_entry_size
);
4769 /* Set the first entry in the global offset table to the address of
4770 the dynamic section. */
4771 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4773 bfd_vma val
= (sdyn
?
4774 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4777 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4781 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4782 SPARC_ELF_WORD_BYTES (htab
);
4784 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4785 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4787 /* Fill PLT entries for undefined weak symbols in PIE. */
4788 if (bfd_link_pie (info
))
4789 bfd_hash_traverse (&info
->hash
->table
,
4790 pie_finish_undefweak_symbol
,
4796 /* Set the right machine number for a SPARC ELF file. */
4799 _bfd_sparc_elf_object_p (bfd
*abfd
)
4801 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4802 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4803 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4805 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4806 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4807 | ELF_SPARC_HWCAP_VIS3
4808 | ELF_SPARC_HWCAP_HPC
);
4809 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4810 | ELF_SPARC_HWCAP_DES
4811 | ELF_SPARC_HWCAP_KASUMI
4812 | ELF_SPARC_HWCAP_CAMELLIA
4813 | ELF_SPARC_HWCAP_MD5
4814 | ELF_SPARC_HWCAP_SHA1
4815 | ELF_SPARC_HWCAP_SHA256
4816 | ELF_SPARC_HWCAP_SHA512
4817 | ELF_SPARC_HWCAP_MPMUL
4818 | ELF_SPARC_HWCAP_MONT
4819 | ELF_SPARC_HWCAP_CRC32C
4820 | ELF_SPARC_HWCAP_CBCOND
4821 | ELF_SPARC_HWCAP_PAUSE
);
4822 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4823 | ELF_SPARC_HWCAP_IMA
);
4824 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4825 | ELF_SPARC_HWCAP2_MWAIT
4826 | ELF_SPARC_HWCAP2_XMPMUL
4827 | ELF_SPARC_HWCAP2_XMONT
);
4828 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4829 | ELF_SPARC_HWCAP2_ONADDSUB
4830 | ELF_SPARC_HWCAP2_ONMUL
4831 | ELF_SPARC_HWCAP2_ONDIV
4832 | ELF_SPARC_HWCAP2_DICTUNP
4833 | ELF_SPARC_HWCAP2_FPCMPSHL
4834 | ELF_SPARC_HWCAP2_RLE
4835 | ELF_SPARC_HWCAP2_SHA3
);
4837 if (ABI_64_P (abfd
))
4839 unsigned long mach
= bfd_mach_sparc_v9
;
4841 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4842 mach
= bfd_mach_sparc_v9m8
;
4843 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4844 mach
= bfd_mach_sparc_v9m
;
4845 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4846 mach
= bfd_mach_sparc_v9v
;
4847 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4848 mach
= bfd_mach_sparc_v9e
;
4849 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4850 mach
= bfd_mach_sparc_v9d
;
4851 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4852 mach
= bfd_mach_sparc_v9c
;
4853 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4854 mach
= bfd_mach_sparc_v9b
;
4855 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4856 mach
= bfd_mach_sparc_v9a
;
4857 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4861 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4863 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4864 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4865 bfd_mach_sparc_v8plusm8
);
4866 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4867 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4868 bfd_mach_sparc_v8plusm
);
4869 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4870 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4871 bfd_mach_sparc_v8plusv
);
4872 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4873 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4874 bfd_mach_sparc_v8pluse
);
4875 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4876 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4877 bfd_mach_sparc_v8plusd
);
4878 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4879 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4880 bfd_mach_sparc_v8plusc
);
4881 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4882 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4883 bfd_mach_sparc_v8plusb
);
4884 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4885 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4886 bfd_mach_sparc_v8plusa
);
4887 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4888 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4889 bfd_mach_sparc_v8plus
);
4893 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4894 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4895 bfd_mach_sparc_sparclite_le
);
4897 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4901 /* Return address for Ith PLT stub in section PLT, for relocation REL
4902 or (bfd_vma) -1 if it should not be included. */
4905 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4907 if (ABI_64_P (plt
->owner
))
4911 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4912 if (i
< PLT64_LARGE_THRESHOLD
)
4913 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4915 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4917 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4920 return rel
->address
;
4923 /* Merge backend specific data from an object file to the output
4924 object file when linking. */
4927 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
4929 bfd
*obfd
= info
->output_bfd
;
4930 obj_attribute
*in_attr
, *in_attrs
;
4931 obj_attribute
*out_attr
, *out_attrs
;
4933 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
4935 /* This is the first object. Copy the attributes. */
4936 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
4938 /* Use the Tag_null value to indicate the attributes have been
4940 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
4945 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
4946 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
4948 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
4949 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
4951 out_attr
->i
|= in_attr
->i
;
4954 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4955 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
4957 out_attr
->i
|= in_attr
->i
;
4960 /* Merge Tag_compatibility attributes and any common GNU ones. */
4961 _bfd_elf_merge_object_attributes (ibfd
, info
);