1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2019 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 /* Track dynamic relocs copied for this symbol. */
694 struct elf_dyn_relocs
*dyn_relocs
;
696 #define GOT_UNKNOWN 0
700 unsigned char tls_type
;
702 /* Symbol has GOT or PLT relocations. */
703 unsigned int has_got_reloc
: 1;
705 /* Symbol has old-style, non-relaxable GOT relocations. */
706 unsigned int has_old_style_got_reloc
: 1;
708 /* Symbol has non-GOT/non-PLT relocations in text sections. */
709 unsigned int has_non_got_reloc
: 1;
713 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
715 struct _bfd_sparc_elf_obj_tdata
717 struct elf_obj_tdata root
;
719 /* tls_type for each local got entry. */
720 char *local_got_tls_type
;
722 /* TRUE if TLS GD relocs has been seen for this object. */
723 bfd_boolean has_tlsgd
;
726 #define _bfd_sparc_elf_tdata(abfd) \
727 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
729 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
730 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
732 #define is_sparc_elf(bfd) \
733 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
734 && elf_tdata (bfd) != NULL \
735 && elf_object_id (bfd) == SPARC_ELF_DATA)
738 _bfd_sparc_elf_mkobject (bfd
*abfd
)
740 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
745 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
747 bfd_put_32 (abfd
, val
, ptr
);
751 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
753 bfd_put_64 (abfd
, val
, ptr
);
757 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
759 const struct elf_backend_data
*bed
;
762 bed
= get_elf_backend_data (abfd
);
763 BFD_ASSERT (s
->reloc_count
* bed
->s
->sizeof_rela
< s
->size
);
764 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
765 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
769 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
770 bfd_vma rel_index ATTRIBUTE_UNUSED
,
771 bfd_vma type ATTRIBUTE_UNUSED
)
773 return ELF64_R_INFO (rel_index
,
775 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
780 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
781 bfd_vma rel_index
, bfd_vma type
)
783 return ELF32_R_INFO (rel_index
, type
);
787 sparc_elf_r_symndx_64 (bfd_vma r_info
)
789 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
790 return (r_symndx
>> 24);
794 sparc_elf_r_symndx_32 (bfd_vma r_info
)
796 return ELF32_R_SYM (r_info
);
801 #define PLT32_ENTRY_SIZE 12
802 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
804 /* The first four entries in a 32-bit procedure linkage table are reserved,
805 and the initial contents are unimportant (we zero them out).
806 Subsequent entries look like this. See the SVR4 ABI SPARC
807 supplement to see how this works. */
809 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
810 #define PLT32_ENTRY_WORD0 0x03000000
811 /* b,a .plt0. We fill in the offset later. */
812 #define PLT32_ENTRY_WORD1 0x30800000
814 #define PLT32_ENTRY_WORD2 SPARC_NOP
817 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
818 bfd_vma max ATTRIBUTE_UNUSED
,
821 bfd_put_32 (output_bfd
,
822 PLT32_ENTRY_WORD0
+ offset
,
823 splt
->contents
+ offset
);
824 bfd_put_32 (output_bfd
,
826 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
827 splt
->contents
+ offset
+ 4);
828 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
829 splt
->contents
+ offset
+ 8);
833 return offset
/ PLT32_ENTRY_SIZE
- 4;
836 /* Both the headers and the entries are icache aligned. */
837 #define PLT64_ENTRY_SIZE 32
838 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
839 #define PLT64_LARGE_THRESHOLD 32768
842 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
843 bfd_vma max
, bfd_vma
*r_offset
)
845 unsigned char *entry
= splt
->contents
+ offset
;
846 const unsigned int nop
= SPARC_NOP
;
849 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
851 unsigned int sethi
, ba
;
855 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
857 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
859 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
861 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
862 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
863 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
864 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
865 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
866 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
867 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
868 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
874 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
875 const int insn_chunk_size
= (6 * 4);
876 const int ptr_chunk_size
= (1 * 8);
877 const int entries_per_block
= 160;
878 const int block_size
= entries_per_block
* (insn_chunk_size
881 /* Entries 32768 and higher are grouped into blocks of 160.
882 The blocks are further subdivided into 160 sequences of
883 6 instructions and 160 pointers. If a block does not require
884 the full 160 entries, let's say it requires N, then there
885 will be N sequences of 6 instructions and N pointers. */
887 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
888 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
890 block
= offset
/ block_size
;
891 last_block
= max
/ block_size
;
892 if (block
!= last_block
)
894 chunks_this_block
= 160;
898 last_ofs
= max
% block_size
;
899 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
902 ofs
= offset
% block_size
;
904 plt_index
= (PLT64_LARGE_THRESHOLD
+
906 (ofs
/ insn_chunk_size
));
909 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
910 + (block
* block_size
)
911 + (chunks_this_block
* insn_chunk_size
)
912 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
914 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
916 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
924 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
925 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
926 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
927 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
928 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
929 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
931 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
934 return plt_index
- 4;
937 /* The format of the first PLT entry in a VxWorks executable. */
938 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
940 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
941 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
942 0xc4008000, /* ld [ %g2 ], %g2 */
943 0x81c08000, /* jmp %g2 */
947 /* The format of subsequent PLT entries. */
948 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
950 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
951 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
952 0xc2004000, /* ld [ %g1 ], %g1 */
953 0x81c04000, /* jmp %g1 */
954 0x01000000, /* nop */
955 0x03000000, /* sethi %hi(f@pltindex), %g1 */
956 0x10800000, /* b _PLT_resolve */
957 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
960 /* The format of the first PLT entry in a VxWorks shared object. */
961 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
963 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
964 0x81c08000, /* jmp %g2 */
968 /* The format of subsequent PLT entries. */
969 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
971 0x03000000, /* sethi %hi(f@got), %g1 */
972 0x82106000, /* or %g1, %lo(f@got), %g1 */
973 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
974 0x81c04000, /* jmp %g1 */
975 0x01000000, /* nop */
976 0x03000000, /* sethi %hi(f@pltindex), %g1 */
977 0x10800000, /* b _PLT_resolve */
978 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
981 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
982 htab->put_word(bfd, val, ptr)
984 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
985 htab->r_info(in_rel, index, type)
987 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
988 htab->r_symndx(r_info)
990 #define SPARC_ELF_WORD_BYTES(htab) \
993 #define SPARC_ELF_RELA_BYTES(htab) \
996 #define SPARC_ELF_DTPOFF_RELOC(htab) \
999 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1002 #define SPARC_ELF_TPOFF_RELOC(htab) \
1005 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1006 htab->build_plt_entry (obfd, splt, off, max, r_off)
1008 /* Create an entry in an SPARC ELF linker hash table. */
1010 static struct bfd_hash_entry
*
1011 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1012 struct bfd_hash_table
*table
, const char *string
)
1014 /* Allocate the structure if it has not already been allocated by a
1018 entry
= bfd_hash_allocate (table
,
1019 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1024 /* Call the allocation method of the superclass. */
1025 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1028 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1030 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1031 eh
->dyn_relocs
= NULL
;
1032 eh
->tls_type
= GOT_UNKNOWN
;
1033 eh
->has_got_reloc
= 0;
1034 eh
->has_non_got_reloc
= 0;
1040 /* The name of the dynamic interpreter. This is put in the .interp
1043 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1044 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1046 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1047 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1048 as global symbol. We reuse indx and dynstr_index for local symbol
1049 hash since they aren't used by global symbols in this backend. */
1052 elf_sparc_local_htab_hash (const void *ptr
)
1054 struct elf_link_hash_entry
*h
1055 = (struct elf_link_hash_entry
*) ptr
;
1056 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1059 /* Compare local hash entries. */
1062 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1064 struct elf_link_hash_entry
*h1
1065 = (struct elf_link_hash_entry
*) ptr1
;
1066 struct elf_link_hash_entry
*h2
1067 = (struct elf_link_hash_entry
*) ptr2
;
1069 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1072 /* Find and/or create a hash entry for local symbol. */
1074 static struct elf_link_hash_entry
*
1075 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1076 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1079 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1080 asection
*sec
= abfd
->sections
;
1081 unsigned long r_symndx
;
1085 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1086 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1088 e
.elf
.indx
= sec
->id
;
1089 e
.elf
.dynstr_index
= r_symndx
;
1090 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1091 create
? INSERT
: NO_INSERT
);
1098 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1102 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1103 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1104 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1107 memset (ret
, 0, sizeof (*ret
));
1108 ret
->elf
.indx
= sec
->id
;
1109 ret
->elf
.dynstr_index
= r_symndx
;
1110 ret
->elf
.dynindx
= -1;
1111 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1112 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1118 /* Destroy a SPARC ELF linker hash table. */
1121 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1123 struct _bfd_sparc_elf_link_hash_table
*htab
1124 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1126 if (htab
->loc_hash_table
)
1127 htab_delete (htab
->loc_hash_table
);
1128 if (htab
->loc_hash_memory
)
1129 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1130 _bfd_elf_link_hash_table_free (obfd
);
1133 /* Create a SPARC ELF linker hash table. */
1135 struct bfd_link_hash_table
*
1136 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1138 struct _bfd_sparc_elf_link_hash_table
*ret
;
1139 bfd_size_type amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1141 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1145 if (ABI_64_P (abfd
))
1147 ret
->put_word
= sparc_put_word_64
;
1148 ret
->r_info
= sparc_elf_r_info_64
;
1149 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1150 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1151 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1152 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1153 ret
->word_align_power
= 3;
1154 ret
->align_power_max
= 4;
1155 ret
->bytes_per_word
= 8;
1156 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1157 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1158 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1160 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1161 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1162 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1166 ret
->put_word
= sparc_put_word_32
;
1167 ret
->r_info
= sparc_elf_r_info_32
;
1168 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1169 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1170 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1171 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1172 ret
->word_align_power
= 2;
1173 ret
->align_power_max
= 3;
1174 ret
->bytes_per_word
= 4;
1175 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1176 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1177 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1179 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1180 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1181 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1184 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1185 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1192 ret
->loc_hash_table
= htab_try_create (1024,
1193 elf_sparc_local_htab_hash
,
1194 elf_sparc_local_htab_eq
,
1196 ret
->loc_hash_memory
= objalloc_create ();
1197 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1199 _bfd_sparc_elf_link_hash_table_free (abfd
);
1202 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1204 return &ret
->elf
.root
;
1207 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1208 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1212 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1213 struct bfd_link_info
*info
)
1215 struct _bfd_sparc_elf_link_hash_table
*htab
;
1217 htab
= _bfd_sparc_elf_hash_table (info
);
1218 BFD_ASSERT (htab
!= NULL
);
1220 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1223 if (htab
->is_vxworks
)
1225 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1227 if (bfd_link_pic (info
))
1229 htab
->plt_header_size
1230 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1231 htab
->plt_entry_size
1232 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1236 htab
->plt_header_size
1237 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1238 htab
->plt_entry_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1243 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1244 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1251 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1253 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1254 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1255 flagword flags
, pltflags
;
1258 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1261 flags
= bed
->dynamic_sec_flags
;
1262 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1264 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1266 || !bfd_set_section_alignment (s
, bed
->plt_alignment
))
1270 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1271 flags
| SEC_READONLY
);
1273 || !bfd_set_section_alignment (s
, bed
->s
->log_file_align
))
1280 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1283 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1284 struct elf_link_hash_entry
*dir
,
1285 struct elf_link_hash_entry
*ind
)
1287 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1289 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1290 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1292 if (eind
->dyn_relocs
!= NULL
)
1294 if (edir
->dyn_relocs
!= NULL
)
1296 struct elf_dyn_relocs
**pp
;
1297 struct elf_dyn_relocs
*p
;
1299 /* Add reloc counts against the indirect sym to the direct sym
1300 list. Merge any entries against the same section. */
1301 for (pp
= &eind
->dyn_relocs
; (p
= *pp
) != NULL
; )
1303 struct elf_dyn_relocs
*q
;
1305 for (q
= edir
->dyn_relocs
; q
!= NULL
; q
= q
->next
)
1306 if (q
->sec
== p
->sec
)
1308 q
->pc_count
+= p
->pc_count
;
1309 q
->count
+= p
->count
;
1316 *pp
= edir
->dyn_relocs
;
1319 edir
->dyn_relocs
= eind
->dyn_relocs
;
1320 eind
->dyn_relocs
= NULL
;
1323 if (ind
->root
.type
== bfd_link_hash_indirect
&& dir
->got
.refcount
<= 0)
1325 edir
->tls_type
= eind
->tls_type
;
1326 eind
->tls_type
= GOT_UNKNOWN
;
1329 /* Copy has_got_reloc and has_non_got_reloc. */
1330 edir
->has_got_reloc
|= eind
->has_got_reloc
;
1331 edir
->has_non_got_reloc
|= eind
->has_non_got_reloc
;
1333 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1337 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1338 int r_type
, int is_local
)
1340 if (! ABI_64_P (abfd
)
1341 && r_type
== R_SPARC_TLS_GD_HI22
1342 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1343 return R_SPARC_REV32
;
1345 if (!bfd_link_executable (info
))
1350 case R_SPARC_TLS_GD_HI22
:
1351 return is_local
? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_IE_HI22
;
1352 case R_SPARC_TLS_GD_LO10
:
1353 return is_local
? R_SPARC_TLS_LE_LOX10
: R_SPARC_TLS_IE_LO10
;
1354 case R_SPARC_TLS_LDM_HI22
:
1355 return R_SPARC_TLS_LE_HIX22
;
1356 case R_SPARC_TLS_LDM_LO10
:
1357 return R_SPARC_TLS_LE_LOX10
;
1358 case R_SPARC_TLS_IE_HI22
:
1359 return is_local
? R_SPARC_TLS_LE_HIX22
: r_type
;
1360 case R_SPARC_TLS_IE_LO10
:
1361 return is_local
? R_SPARC_TLS_LE_LOX10
: r_type
;
1367 /* Look through the relocs for a section during the first phase, and
1368 allocate space in the global offset table or procedure linkage
1372 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1373 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1375 struct _bfd_sparc_elf_link_hash_table
*htab
;
1376 Elf_Internal_Shdr
*symtab_hdr
;
1377 struct elf_link_hash_entry
**sym_hashes
;
1378 const Elf_Internal_Rela
*rel
;
1379 const Elf_Internal_Rela
*rel_end
;
1382 bfd_boolean checked_tlsgd
= FALSE
;
1384 if (bfd_link_relocatable (info
))
1387 htab
= _bfd_sparc_elf_hash_table (info
);
1388 BFD_ASSERT (htab
!= NULL
);
1389 symtab_hdr
= &elf_symtab_hdr (abfd
);
1390 sym_hashes
= elf_sym_hashes (abfd
);
1394 if (ABI_64_P (abfd
))
1395 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1397 num_relocs
= sec
->reloc_count
;
1399 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1401 if (htab
->elf
.dynobj
== NULL
)
1402 htab
->elf
.dynobj
= abfd
;
1403 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1406 rel_end
= relocs
+ num_relocs
;
1407 for (rel
= relocs
; rel
< rel_end
; rel
++)
1409 unsigned int r_type
;
1410 unsigned int r_symndx
;
1411 struct elf_link_hash_entry
*h
;
1412 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1413 Elf_Internal_Sym
*isym
;
1415 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1416 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1418 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1420 /* xgettext:c-format */
1421 _bfd_error_handler (_("%pB: bad symbol index: %d"), abfd
, r_symndx
);
1426 if (r_symndx
< symtab_hdr
->sh_info
)
1428 /* A local symbol. */
1429 isym
= bfd_sym_from_r_symndx (&htab
->sym_cache
, abfd
, r_symndx
);
1433 /* Check relocation against local STT_GNU_IFUNC symbol. */
1434 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1436 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
, TRUE
);
1440 /* Fake a STT_GNU_IFUNC symbol. */
1441 h
->type
= STT_GNU_IFUNC
;
1444 h
->forced_local
= 1;
1445 h
->root
.type
= bfd_link_hash_defined
;
1452 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1453 while (h
->root
.type
== bfd_link_hash_indirect
1454 || h
->root
.type
== bfd_link_hash_warning
)
1455 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1458 if (h
&& h
->type
== STT_GNU_IFUNC
&& h
->def_regular
)
1461 h
->plt
.refcount
+= 1;
1464 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1465 with R_SPARC_TLS_GD_HI22. */
1466 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1469 case R_SPARC_TLS_GD_HI22
:
1471 const Elf_Internal_Rela
*relt
;
1473 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1474 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1475 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1476 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1478 checked_tlsgd
= TRUE
;
1479 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1482 case R_SPARC_TLS_GD_LO10
:
1483 case R_SPARC_TLS_GD_ADD
:
1484 case R_SPARC_TLS_GD_CALL
:
1485 checked_tlsgd
= TRUE
;
1486 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1490 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1491 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1495 case R_SPARC_TLS_LDM_HI22
:
1496 case R_SPARC_TLS_LDM_LO10
:
1497 htab
->tls_ldm_got
.refcount
+= 1;
1499 eh
->has_got_reloc
= 1;
1502 case R_SPARC_TLS_LE_HIX22
:
1503 case R_SPARC_TLS_LE_LOX10
:
1504 if (!bfd_link_executable (info
))
1508 case R_SPARC_TLS_IE_HI22
:
1509 case R_SPARC_TLS_IE_LO10
:
1510 if (!bfd_link_executable (info
))
1511 info
->flags
|= DF_STATIC_TLS
;
1517 case R_SPARC_GOTDATA_HIX22
:
1518 case R_SPARC_GOTDATA_LOX10
:
1519 case R_SPARC_GOTDATA_OP_HIX22
:
1520 case R_SPARC_GOTDATA_OP_LOX10
:
1521 case R_SPARC_TLS_GD_HI22
:
1522 case R_SPARC_TLS_GD_LO10
:
1523 /* This symbol requires a global offset table entry. */
1525 int tls_type
, old_tls_type
;
1529 case R_SPARC_TLS_GD_HI22
:
1530 case R_SPARC_TLS_GD_LO10
:
1531 tls_type
= GOT_TLS_GD
;
1533 case R_SPARC_TLS_IE_HI22
:
1534 case R_SPARC_TLS_IE_LO10
:
1535 tls_type
= GOT_TLS_IE
;
1538 tls_type
= GOT_NORMAL
;
1544 h
->got
.refcount
+= 1;
1545 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1549 bfd_signed_vma
*local_got_refcounts
;
1551 /* This is a global offset table entry for a local symbol. */
1552 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1553 if (local_got_refcounts
== NULL
)
1557 size
= symtab_hdr
->sh_info
;
1558 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1559 local_got_refcounts
= ((bfd_signed_vma
*)
1560 bfd_zalloc (abfd
, size
));
1561 if (local_got_refcounts
== NULL
)
1563 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1564 _bfd_sparc_elf_local_got_tls_type (abfd
)
1565 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1568 if (r_type
!= R_SPARC_GOTDATA_OP_HIX22
1569 && r_type
!= R_SPARC_GOTDATA_OP_LOX10
)
1570 local_got_refcounts
[r_symndx
] += 1;
1573 = _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1576 /* If a TLS symbol is accessed using IE at least once, there is no
1577 point in using the dynamic model for it. */
1578 if (old_tls_type
!= tls_type
)
1580 if (old_tls_type
== GOT_UNKNOWN
)
1582 else if (old_tls_type
== GOT_TLS_GD
&& tls_type
== GOT_TLS_IE
)
1584 else if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1585 tls_type
= old_tls_type
;
1589 /* xgettext:c-format */
1590 (_("%pB: `%s' accessed both as normal and thread local symbol"),
1591 abfd
, h
? h
->root
.root
.string
: "<local>");
1596 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1598 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1603 && !_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1608 eh
->has_got_reloc
= 1;
1609 if (r_type
== R_SPARC_GOT10
1610 || r_type
== R_SPARC_GOT13
1611 || r_type
== R_SPARC_GOT22
)
1612 eh
->has_old_style_got_reloc
= 1;
1616 case R_SPARC_TLS_GD_CALL
:
1617 case R_SPARC_TLS_LDM_CALL
:
1618 if (bfd_link_executable (info
))
1621 /* Essentially R_SPARC_WPLT30 relocs against __tls_get_addr. */
1622 h
= (struct elf_link_hash_entry
*)
1623 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
1625 BFD_ASSERT (h
!= NULL
);
1628 case R_SPARC_WPLT30
:
1631 case R_SPARC_HIPLT22
:
1632 case R_SPARC_LOPLT10
:
1633 case R_SPARC_PCPLT32
:
1634 case R_SPARC_PCPLT22
:
1635 case R_SPARC_PCPLT10
:
1636 /* This symbol requires a procedure linkage table entry.
1637 We actually build the entry in adjust_dynamic_symbol,
1638 because this might be a case of linking PIC code without
1639 linking in any dynamic objects, in which case we don't
1640 need to generate a procedure linkage table after all. */
1644 if (! ABI_64_P (abfd
))
1646 /* The Solaris native assembler will generate a WPLT30
1647 reloc for a local symbol if you assemble a call from
1648 one section to another when using -K pic. We treat
1650 if (r_type
== R_SPARC_PLT32
)
1654 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1655 else if (r_type
== R_SPARC_WPLT30
)
1658 /* It does not make sense to have a procedure linkage
1659 table entry for a local symbol. */
1660 bfd_set_error (bfd_error_bad_value
);
1666 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
1669 h
->plt
.refcount
+= 1;
1671 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1672 eh
->has_got_reloc
= 1;
1677 case R_SPARC_PC_HH22
:
1678 case R_SPARC_PC_HM10
:
1679 case R_SPARC_PC_LM22
:
1684 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1689 case R_SPARC_DISP16
:
1690 case R_SPARC_DISP32
:
1691 case R_SPARC_DISP64
:
1692 case R_SPARC_WDISP30
:
1693 case R_SPARC_WDISP22
:
1694 case R_SPARC_WDISP19
:
1695 case R_SPARC_WDISP16
:
1696 case R_SPARC_WDISP10
:
1726 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1727 eh
->has_non_got_reloc
= 1;
1730 if (h
!= NULL
&& !bfd_link_pic (info
))
1732 /* We may need a .plt entry if the function this reloc
1733 refers to is in a shared lib. */
1734 h
->plt
.refcount
+= 1;
1737 /* If we are creating a shared library, and this is a reloc
1738 against a global symbol, or a non PC relative reloc
1739 against a local symbol, then we need to copy the reloc
1740 into the shared library. However, if we are linking with
1741 -Bsymbolic, we do not need to copy a reloc against a
1742 global symbol which is defined in an object we are
1743 including in the link (i.e., DEF_REGULAR is set). At
1744 this point we have not seen all the input files, so it is
1745 possible that DEF_REGULAR is not set now but will be set
1746 later (it is never cleared). In case of a weak definition,
1747 DEF_REGULAR may be cleared later by a strong definition in
1748 a shared library. We account for that possibility below by
1749 storing information in the relocs_copied field of the hash
1750 table entry. A similar situation occurs when creating
1751 shared libraries and symbol visibility changes render the
1754 If on the other hand, we are creating an executable, we
1755 may need to keep relocations for symbols satisfied by a
1756 dynamic library if we manage to avoid copy relocs for the
1758 if ((bfd_link_pic (info
)
1759 && (sec
->flags
& SEC_ALLOC
) != 0
1760 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1762 && (! SYMBOLIC_BIND (info
, h
)
1763 || h
->root
.type
== bfd_link_hash_defweak
1764 || !h
->def_regular
))))
1765 || (!bfd_link_pic (info
)
1766 && (sec
->flags
& SEC_ALLOC
) != 0
1768 && (h
->root
.type
== bfd_link_hash_defweak
1769 || !h
->def_regular
))
1770 || (!bfd_link_pic (info
)
1772 && h
->type
== STT_GNU_IFUNC
))
1774 struct elf_dyn_relocs
*p
;
1775 struct elf_dyn_relocs
**head
;
1777 /* When creating a shared object, we must copy these
1778 relocs into the output file. We create a reloc
1779 section in dynobj and make room for the reloc. */
1782 sreloc
= _bfd_elf_make_dynamic_reloc_section
1783 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1784 abfd
, /*rela?*/ TRUE
);
1790 /* If this is a global symbol, we count the number of
1791 relocations we need for this symbol. */
1793 head
= &((struct _bfd_sparc_elf_link_hash_entry
*) h
)->dyn_relocs
;
1796 /* Track dynamic relocs needed for local syms too.
1797 We really need local syms available to do this
1802 BFD_ASSERT (isym
!= NULL
);
1803 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1807 vpp
= &elf_section_data (s
)->local_dynrel
;
1808 head
= (struct elf_dyn_relocs
**) vpp
;
1812 if (p
== NULL
|| p
->sec
!= sec
)
1814 bfd_size_type amt
= sizeof *p
;
1815 p
= ((struct elf_dyn_relocs
*)
1816 bfd_alloc (htab
->elf
.dynobj
, amt
));
1827 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1833 case R_SPARC_GNU_VTINHERIT
:
1834 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1838 case R_SPARC_GNU_VTENTRY
:
1839 if (!bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1843 case R_SPARC_REGISTER
:
1844 /* Nothing to do. */
1856 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1857 struct bfd_link_info
*info
,
1858 Elf_Internal_Rela
*rel
,
1859 struct elf_link_hash_entry
*h
,
1860 Elf_Internal_Sym
*sym
)
1863 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1865 case R_SPARC_GNU_VTINHERIT
:
1866 case R_SPARC_GNU_VTENTRY
:
1870 if (!bfd_link_executable (info
))
1872 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1874 case R_SPARC_TLS_GD_CALL
:
1875 case R_SPARC_TLS_LDM_CALL
:
1876 /* This reloc implicitly references __tls_get_addr. We know
1877 another reloc will reference the same symbol as the one
1878 on this reloc, so the real symbol and section will be
1879 gc marked when processing the other reloc. That lets
1880 us handle __tls_get_addr here. */
1881 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1882 FALSE
, FALSE
, TRUE
);
1883 BFD_ASSERT (h
!= NULL
);
1885 if (h
->is_weakalias
)
1886 weakdef (h
)->mark
= 1;
1891 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1894 static Elf_Internal_Rela
*
1895 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1896 Elf_Internal_Rela
*relend
,
1899 while (rel
< relend
)
1901 if (rel
->r_offset
== offset
)
1908 /* Remove undefined weak symbol from the dynamic symbol table if it
1909 is resolved to 0. */
1912 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1913 struct elf_link_hash_entry
*h
)
1915 if (h
->dynindx
!= -1
1916 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1917 _bfd_sparc_elf_hash_entry (h
)))
1920 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1926 /* Find dynamic relocs for H that apply to read-only sections. */
1929 readonly_dynrelocs (struct elf_link_hash_entry
*h
)
1931 struct elf_dyn_relocs
*p
;
1933 for (p
= _bfd_sparc_elf_hash_entry (h
)->dyn_relocs
; p
!= NULL
; p
= p
->next
)
1935 asection
*s
= p
->sec
->output_section
;
1937 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
1943 /* Adjust a symbol defined by a dynamic object and referenced by a
1944 regular object. The current definition is in some section of the
1945 dynamic object, but we're not including those sections. We have to
1946 change the definition to something the rest of the link can
1950 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1951 struct elf_link_hash_entry
*h
)
1953 struct _bfd_sparc_elf_link_hash_table
*htab
;
1956 htab
= _bfd_sparc_elf_hash_table (info
);
1957 BFD_ASSERT (htab
!= NULL
);
1959 /* Make sure we know what is going on here. */
1960 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
1962 || h
->type
== STT_GNU_IFUNC
1966 && !h
->def_regular
)));
1968 /* If this is a function, put it in the procedure linkage table. We
1969 will fill in the contents of the procedure linkage table later
1970 (although we could actually do it here). The STT_NOTYPE
1971 condition is a hack specifically for the Oracle libraries
1972 delivered for Solaris; for some inexplicable reason, they define
1973 some of their functions as STT_NOTYPE when they really should be
1975 if (h
->type
== STT_FUNC
1976 || h
->type
== STT_GNU_IFUNC
1978 || (h
->type
== STT_NOTYPE
1979 && (h
->root
.type
== bfd_link_hash_defined
1980 || h
->root
.type
== bfd_link_hash_defweak
)
1981 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
1983 if (h
->plt
.refcount
<= 0
1984 || (h
->type
!= STT_GNU_IFUNC
1985 && (SYMBOL_CALLS_LOCAL (info
, h
)
1986 || (h
->root
.type
== bfd_link_hash_undefweak
1987 && ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
))))
1989 /* This case can occur if we saw a WPLT30 reloc in an input
1990 file, but the symbol was never referred to by a dynamic
1991 object, or if all references were garbage collected. In
1992 such a case, we don't actually need to build a procedure
1993 linkage table, and we can just do a WDISP30 reloc instead. */
1994 h
->plt
.offset
= (bfd_vma
) -1;
2001 h
->plt
.offset
= (bfd_vma
) -1;
2003 /* If this is a weak symbol, and there is a real definition, the
2004 processor independent code will have arranged for us to see the
2005 real definition first, and we can just use the same value. */
2006 if (h
->is_weakalias
)
2008 struct elf_link_hash_entry
*def
= weakdef (h
);
2009 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
2010 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
2011 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
2015 /* This is a reference to a symbol defined by a dynamic object which
2016 is not a function. */
2018 /* If we are creating a shared library, we must presume that the
2019 only references to the symbol are via the global offset table.
2020 For such cases we need not do anything here; the relocations will
2021 be handled correctly by relocate_section. */
2022 if (bfd_link_pic (info
))
2025 /* If there are no references to this symbol that do not use the
2026 GOT, we don't need to generate a copy reloc. */
2027 if (!h
->non_got_ref
)
2030 /* If -z nocopyreloc was given, we won't generate them either. */
2031 if (info
->nocopyreloc
)
2037 /* If we don't find any dynamic relocs in read-only sections, then
2038 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2039 if (!readonly_dynrelocs (h
))
2045 /* We must allocate the symbol in our .dynbss section, which will
2046 become part of the .bss section of the executable. There will be
2047 an entry for this symbol in the .dynsym section. The dynamic
2048 object will contain position independent code, so all references
2049 from the dynamic object to this symbol will go through the global
2050 offset table. The dynamic linker will use the .dynsym entry to
2051 determine the address it must put in the global offset table, so
2052 both the dynamic object and the regular object will refer to the
2053 same memory location for the variable. */
2055 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2056 to copy the initial value out of the dynamic object and into the
2057 runtime process image. We need to remember the offset into the
2058 .rel.bss section we are going to use. */
2059 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2061 s
= htab
->elf
.sdynrelro
;
2062 srel
= htab
->elf
.sreldynrelro
;
2066 s
= htab
->elf
.sdynbss
;
2067 srel
= htab
->elf
.srelbss
;
2069 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2071 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2075 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2078 /* Allocate space in .plt, .got and associated reloc sections for
2082 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2084 struct bfd_link_info
*info
;
2085 struct _bfd_sparc_elf_link_hash_table
*htab
;
2086 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2087 struct elf_dyn_relocs
*p
;
2088 bfd_boolean resolved_to_zero
;
2090 if (h
->root
.type
== bfd_link_hash_indirect
)
2093 info
= (struct bfd_link_info
*) inf
;
2094 htab
= _bfd_sparc_elf_hash_table (info
);
2095 BFD_ASSERT (htab
!= NULL
);
2097 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2098 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2100 if ((htab
->elf
.dynamic_sections_created
2101 && h
->plt
.refcount
> 0)
2102 || (h
->type
== STT_GNU_IFUNC
2106 /* Undefined weak syms won't yet be marked as dynamic. */
2107 if (h
->root
.type
== bfd_link_hash_undefweak
2108 && !resolved_to_zero
2110 && !h
->forced_local
)
2112 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2116 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2117 || (h
->type
== STT_GNU_IFUNC
2120 asection
*s
= htab
->elf
.splt
;
2125 /* Allocate room for the header. */
2128 s
->size
= htab
->plt_header_size
;
2130 /* Allocate space for the .rela.plt.unloaded relocations. */
2131 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2132 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2135 /* The procedure linkage table size is bounded by the magnitude
2136 of the offset we can describe in the entry. */
2137 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2138 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2140 bfd_set_error (bfd_error_bad_value
);
2144 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2145 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2147 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2150 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2152 h
->plt
.offset
= (s
->size
- (off
* 8));
2155 h
->plt
.offset
= s
->size
;
2157 /* If this symbol is not defined in a regular file, and we are
2158 not generating a shared library, then set the symbol to this
2159 location in the .plt. This is required to make function
2160 pointers compare as equal between the normal executable and
2161 the shared library. */
2162 if (! bfd_link_pic (info
)
2165 h
->root
.u
.def
.section
= s
;
2166 h
->root
.u
.def
.value
= h
->plt
.offset
;
2169 /* Make room for this entry. */
2170 s
->size
+= htab
->plt_entry_size
;
2172 /* There should be no PLT relocations against resolved undefined
2173 weak symbols in the executable. */
2174 if (!resolved_to_zero
)
2176 /* We also need to make an entry in the .rela.plt section. */
2177 if (s
== htab
->elf
.splt
)
2178 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2180 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2183 if (htab
->is_vxworks
)
2185 /* Allocate space for the .got.plt entry. */
2186 htab
->elf
.sgotplt
->size
+= 4;
2188 /* ...and for the .rela.plt.unloaded relocations. */
2189 if (!bfd_link_pic (info
))
2190 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2195 h
->plt
.offset
= (bfd_vma
) -1;
2201 h
->plt
.offset
= (bfd_vma
) -1;
2205 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2206 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2207 if (h
->got
.refcount
> 0
2208 && bfd_link_executable (info
)
2210 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2211 h
->got
.offset
= (bfd_vma
) -1;
2212 else if (h
->got
.refcount
> 0)
2216 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2218 /* Undefined weak syms won't yet be marked as dynamic. */
2219 if (h
->root
.type
== bfd_link_hash_undefweak
2220 && !resolved_to_zero
2222 && !h
->forced_local
)
2224 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2229 h
->got
.offset
= s
->size
;
2230 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2231 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2232 if (tls_type
== GOT_TLS_GD
)
2233 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2234 dyn
= htab
->elf
.dynamic_sections_created
;
2235 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2236 R_SPARC_TLS_GD_{HI22,LO10} needs one if local and two if global. */
2237 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2238 || tls_type
== GOT_TLS_IE
2239 || h
->type
== STT_GNU_IFUNC
)
2240 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2241 else if (tls_type
== GOT_TLS_GD
)
2242 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2243 else if ((WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
, bfd_link_pic (info
), h
)
2244 /* Even if the symbol isn't dynamic, we may generate a
2245 reloc for the dynamic linker in PIC mode. */
2246 || (h
->dynindx
== -1
2248 && h
->root
.type
!= bfd_link_hash_undefweak
2249 && bfd_link_pic (info
)))
2250 /* No dynamic relocations are needed against resolved
2251 undefined weak symbols in an executable. */
2252 && !(h
->root
.type
== bfd_link_hash_undefweak
2253 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2254 || resolved_to_zero
)))
2255 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2258 h
->got
.offset
= (bfd_vma
) -1;
2260 if (eh
->dyn_relocs
== NULL
)
2263 /* In the shared -Bsymbolic case, discard space allocated for
2264 dynamic pc-relative relocs against symbols which turn out to be
2265 defined in regular objects. For the normal shared case, discard
2266 space for pc-relative relocs that have become local due to symbol
2267 visibility changes. */
2269 if (bfd_link_pic (info
))
2271 if (SYMBOL_CALLS_LOCAL (info
, h
))
2273 struct elf_dyn_relocs
**pp
;
2275 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2277 p
->count
-= p
->pc_count
;
2286 if (htab
->is_vxworks
)
2288 struct elf_dyn_relocs
**pp
;
2290 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2292 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2299 /* Also discard relocs on undefined weak syms with non-default
2300 visibility or in PIE. */
2301 if (eh
->dyn_relocs
!= NULL
2302 && h
->root
.type
== bfd_link_hash_undefweak
)
2304 /* An undefined weak symbol is never
2305 bound locally in a shared library. */
2307 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2308 || resolved_to_zero
)
2312 /* Keep dynamic non-GOT/non-PLT relocation so that we
2313 can branch to 0 without PLT. */
2314 struct elf_dyn_relocs
**pp
;
2316 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
;)
2317 if (p
->pc_count
== 0)
2321 /* Remove other relocations. */
2322 p
->count
= p
->pc_count
;
2326 if (eh
->dyn_relocs
!= NULL
)
2328 /* Make sure undefined weak symbols are output
2329 as dynamic symbols in PIEs for dynamic non-GOT
2330 non-PLT reloations. */
2331 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2336 eh
->dyn_relocs
= NULL
;
2339 /* Make sure undefined weak symbols are output as a dynamic
2341 else if (h
->dynindx
== -1
2342 && !h
->forced_local
)
2344 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2351 /* For the non-shared case, discard space for relocs against
2352 symbols which turn out to need copy relocs or are not
2355 if ((!h
->non_got_ref
2356 || (h
->root
.type
== bfd_link_hash_undefweak
2357 && !resolved_to_zero
))
2360 || (htab
->elf
.dynamic_sections_created
2361 && (h
->root
.type
== bfd_link_hash_undefweak
2362 || h
->root
.type
== bfd_link_hash_undefined
))))
2364 /* Undefined weak syms won't yet be marked as dynamic. */
2365 if (h
->root
.type
== bfd_link_hash_undefweak
2366 && !resolved_to_zero
2368 && !h
->forced_local
)
2370 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2374 /* If that succeeded, we know we'll be keeping all the
2376 if (h
->dynindx
!= -1)
2380 eh
->dyn_relocs
= NULL
;
2385 /* Finally, allocate space. */
2386 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2388 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2389 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2395 /* Allocate space in .plt, .got and associated reloc sections for
2396 local dynamic relocs. */
2399 allocate_local_dynrelocs (void **slot
, void *inf
)
2401 struct elf_link_hash_entry
*h
2402 = (struct elf_link_hash_entry
*) *slot
;
2404 if (h
->type
!= STT_GNU_IFUNC
2408 || h
->root
.type
!= bfd_link_hash_defined
)
2411 return allocate_dynrelocs (h
, inf
);
2414 /* Set DF_TEXTREL if we find any dynamic relocs that apply to
2415 read-only sections. */
2418 maybe_set_textrel (struct elf_link_hash_entry
*h
, void *info_p
)
2422 if (h
->root
.type
== bfd_link_hash_indirect
)
2425 sec
= readonly_dynrelocs (h
);
2428 struct bfd_link_info
*info
= (struct bfd_link_info
*) info_p
;
2430 info
->flags
|= DF_TEXTREL
;
2431 info
->callbacks
->minfo
2432 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
2433 sec
->owner
, h
->root
.root
.string
, sec
);
2435 /* Not an error, just cut short the traversal. */
2441 /* Return true if the dynamic symbol for a given section should be
2442 omitted when creating a shared library. */
2445 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2446 struct bfd_link_info
*info
,
2449 /* We keep the .got section symbol so that explicit relocations
2450 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2451 can be turned into relocations against the .got symbol. */
2452 if (strcmp (p
->name
, ".got") == 0)
2455 return _bfd_elf_omit_section_dynsym_default (output_bfd
, info
, p
);
2458 /* Set the sizes of the dynamic sections. */
2461 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2462 struct bfd_link_info
*info
)
2464 struct _bfd_sparc_elf_link_hash_table
*htab
;
2469 htab
= _bfd_sparc_elf_hash_table (info
);
2470 BFD_ASSERT (htab
!= NULL
);
2471 dynobj
= htab
->elf
.dynobj
;
2472 BFD_ASSERT (dynobj
!= NULL
);
2474 if (elf_hash_table (info
)->dynamic_sections_created
)
2476 /* Set the contents of the .interp section to the interpreter. */
2477 if (bfd_link_executable (info
) && !info
->nointerp
)
2479 s
= bfd_get_linker_section (dynobj
, ".interp");
2480 BFD_ASSERT (s
!= NULL
);
2481 s
->size
= htab
->dynamic_interpreter_size
;
2482 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2487 /* Set up .got offsets for local syms, and space for local dynamic
2489 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2491 bfd_signed_vma
*local_got
;
2492 bfd_signed_vma
*end_local_got
;
2493 char *local_tls_type
;
2494 bfd_size_type locsymcount
;
2495 Elf_Internal_Shdr
*symtab_hdr
;
2498 if (! is_sparc_elf (ibfd
))
2501 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2503 struct elf_dyn_relocs
*p
;
2505 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2507 if (!bfd_is_abs_section (p
->sec
)
2508 && bfd_is_abs_section (p
->sec
->output_section
))
2510 /* Input section has been discarded, either because
2511 it is a copy of a linkonce section or due to
2512 linker script /DISCARD/, so we'll be discarding
2515 else if (htab
->is_vxworks
2516 && strcmp (p
->sec
->output_section
->name
,
2519 /* Relocations in vxworks .tls_vars sections are
2520 handled specially by the loader. */
2522 else if (p
->count
!= 0)
2524 srel
= elf_section_data (p
->sec
)->sreloc
;
2525 if (!htab
->elf
.dynamic_sections_created
)
2526 srel
= htab
->elf
.irelplt
;
2527 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2528 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2530 info
->flags
|= DF_TEXTREL
;
2531 info
->callbacks
->minfo (_("%pB: dynamic relocation in read-only section `%pA'\n"),
2532 p
->sec
->owner
, p
->sec
);
2538 local_got
= elf_local_got_refcounts (ibfd
);
2542 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2543 locsymcount
= symtab_hdr
->sh_info
;
2544 end_local_got
= local_got
+ locsymcount
;
2545 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2547 srel
= htab
->elf
.srelgot
;
2548 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2552 *local_got
= s
->size
;
2553 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2554 if (*local_tls_type
== GOT_TLS_GD
)
2555 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2556 if (bfd_link_pic (info
)
2557 || *local_tls_type
== GOT_TLS_GD
2558 || *local_tls_type
== GOT_TLS_IE
)
2559 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2562 *local_got
= (bfd_vma
) -1;
2566 if (htab
->tls_ldm_got
.refcount
> 0)
2568 /* Allocate 2 got entries and 1 dynamic reloc for
2569 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2570 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2571 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2572 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2575 htab
->tls_ldm_got
.offset
= -1;
2577 /* Allocate global sym .plt and .got entries, and space for global
2578 sym dynamic relocs. */
2579 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2581 /* Allocate .plt and .got entries, and space for local symbols. */
2582 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2584 if (! ABI_64_P (output_bfd
)
2585 && !htab
->is_vxworks
2586 && elf_hash_table (info
)->dynamic_sections_created
)
2588 /* Make space for the trailing nop in .plt. */
2589 if (htab
->elf
.splt
->size
> 0)
2590 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2592 /* If the .got section is more than 0x1000 bytes, we add
2593 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2594 bit relocations have a greater chance of working.
2596 FIXME: Make this optimization work for 64-bit too. */
2597 if (htab
->elf
.sgot
->size
>= 0x1000
2598 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2599 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2602 /* The check_relocs and adjust_dynamic_symbol entry points have
2603 determined the sizes of the various dynamic sections. Allocate
2605 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2607 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2610 if (s
== htab
->elf
.splt
2611 || s
== htab
->elf
.sgot
2612 || s
== htab
->elf
.sdynbss
2613 || s
== htab
->elf
.sdynrelro
2614 || s
== htab
->elf
.iplt
2615 || s
== htab
->elf
.sgotplt
)
2617 /* Strip this section if we don't need it; see the
2620 else if (CONST_STRNEQ (s
->name
, ".rela"))
2624 /* We use the reloc_count field as a counter if we need
2625 to copy relocs into the output file. */
2631 /* It's not one of our sections. */
2637 /* If we don't need this section, strip it from the
2638 output file. This is mostly to handle .rela.bss and
2639 .rela.plt. We must create both sections in
2640 create_dynamic_sections, because they must be created
2641 before the linker maps input sections to output
2642 sections. The linker does that before
2643 adjust_dynamic_symbol is called, and it is that
2644 function which decides whether anything needs to go
2645 into these sections. */
2646 s
->flags
|= SEC_EXCLUDE
;
2650 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2653 /* Allocate memory for the section contents. Zero the memory
2654 for the benefit of .rela.plt, which has 4 unused entries
2655 at the beginning, and we don't want garbage. */
2656 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2657 if (s
->contents
== NULL
)
2661 if (elf_hash_table (info
)->dynamic_sections_created
)
2663 /* Add some entries to the .dynamic section. We fill in the
2664 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2665 must add the entries now so that we get the correct size for
2666 the .dynamic section. The DT_DEBUG entry is filled in by the
2667 dynamic linker and used by the debugger. */
2668 #define add_dynamic_entry(TAG, VAL) \
2669 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2671 if (bfd_link_executable (info
))
2673 if (!add_dynamic_entry (DT_DEBUG
, 0))
2677 if (htab
->elf
.srelplt
->size
!= 0)
2679 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2680 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2681 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2682 || !add_dynamic_entry (DT_JMPREL
, 0))
2686 if (!add_dynamic_entry (DT_RELA
, 0)
2687 || !add_dynamic_entry (DT_RELASZ
, 0)
2688 || !add_dynamic_entry (DT_RELAENT
,
2689 SPARC_ELF_RELA_BYTES (htab
)))
2692 /* If any dynamic relocs apply to a read-only section,
2693 then we need a DT_TEXTREL entry. */
2694 if ((info
->flags
& DF_TEXTREL
) == 0)
2695 elf_link_hash_traverse (&htab
->elf
, maybe_set_textrel
, info
);
2697 if (info
->flags
& DF_TEXTREL
)
2699 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2703 if (ABI_64_P (output_bfd
))
2706 struct _bfd_sparc_elf_app_reg
* app_regs
;
2707 struct elf_strtab_hash
*dynstr
;
2708 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2710 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2711 entries if needed. */
2712 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2713 dynstr
= eht
->dynstr
;
2715 for (reg
= 0; reg
< 4; reg
++)
2716 if (app_regs
[reg
].name
!= NULL
)
2718 struct elf_link_local_dynamic_entry
*entry
, *e
;
2720 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2723 entry
= (struct elf_link_local_dynamic_entry
*)
2724 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2728 /* We cheat here a little bit: the symbol will not be local, so we
2729 put it at the end of the dynlocal linked list. We will fix it
2730 later on, as we have to fix other fields anyway. */
2731 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2732 entry
->isym
.st_size
= 0;
2733 if (*app_regs
[reg
].name
!= '\0')
2735 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2737 entry
->isym
.st_name
= 0;
2738 entry
->isym
.st_other
= 0;
2739 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2741 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2742 entry
->isym
.st_target_internal
= 0;
2744 entry
->input_bfd
= output_bfd
;
2745 entry
->input_indx
= -1;
2747 if (eht
->dynlocal
== NULL
)
2748 eht
->dynlocal
= entry
;
2751 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2758 if (htab
->is_vxworks
2759 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2762 #undef add_dynamic_entry
2768 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2770 if (!sec
->used_by_bfd
)
2772 struct _bfd_sparc_elf_section_data
*sdata
;
2773 bfd_size_type amt
= sizeof (*sdata
);
2775 sdata
= bfd_zalloc (abfd
, amt
);
2778 sec
->used_by_bfd
= sdata
;
2781 return _bfd_elf_new_section_hook (abfd
, sec
);
2785 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2786 struct bfd_section
*section
,
2787 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2790 if (bfd_link_relocatable (link_info
))
2791 (*link_info
->callbacks
->einfo
)
2792 (_("%P%F: --relax and -r may not be used together\n"));
2795 sec_do_relax (section
) = 1;
2799 /* Return the base VMA address which should be subtracted from real addresses
2800 when resolving @dtpoff relocation.
2801 This is PT_TLS segment p_vaddr. */
2804 dtpoff_base (struct bfd_link_info
*info
)
2806 /* If tls_sec is NULL, we should have signalled an error already. */
2807 if (elf_hash_table (info
)->tls_sec
== NULL
)
2809 return elf_hash_table (info
)->tls_sec
->vma
;
2812 /* Return the relocation value for @tpoff relocation
2813 if STT_TLS virtual address is ADDRESS. */
2816 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2818 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2819 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2820 bfd_vma static_tls_size
;
2822 /* If tls_sec is NULL, we should have signalled an error already. */
2823 if (htab
->tls_sec
== NULL
)
2826 /* Consider special static TLS alignment requirements. */
2827 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2828 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2831 /* Return the relocation value for a %gdop relocation. */
2834 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2836 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2839 got_base
= (htab
->hgot
->root
.u
.def
.value
2840 + htab
->hgot
->root
.u
.def
.section
->output_offset
2841 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2843 return address
- got_base
;
2846 /* Return whether H is local and its ADDRESS is within 4G of
2847 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2848 sethi, xor sequence. */
2851 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2852 struct elf_link_hash_entry
*h
,
2853 bfd_vma address ATTRIBUTE_UNUSED
)
2855 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2857 /* If H is undefined, ADDRESS will be zero. We can't allow a
2858 relative offset to "zero" when producing PIEs or shared libs.
2859 Note that to get here with an undefined symbol it must also be
2860 hidden or internal visibility. */
2861 if (bfd_link_pic (info
)
2863 && (h
->root
.type
== bfd_link_hash_undefweak
2864 || h
->root
.type
== bfd_link_hash_undefined
))
2867 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2873 /* Relocate a SPARC ELF section. */
2876 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2877 struct bfd_link_info
*info
,
2879 asection
*input_section
,
2881 Elf_Internal_Rela
*relocs
,
2882 Elf_Internal_Sym
*local_syms
,
2883 asection
**local_sections
)
2885 struct _bfd_sparc_elf_link_hash_table
*htab
;
2886 Elf_Internal_Shdr
*symtab_hdr
;
2887 struct elf_link_hash_entry
**sym_hashes
;
2888 bfd_vma
*local_got_offsets
;
2891 Elf_Internal_Rela
*rel
;
2892 Elf_Internal_Rela
*relend
;
2894 bfd_boolean is_vxworks_tls
;
2896 htab
= _bfd_sparc_elf_hash_table (info
);
2897 BFD_ASSERT (htab
!= NULL
);
2898 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2899 sym_hashes
= elf_sym_hashes (input_bfd
);
2900 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2902 if (elf_hash_table (info
)->hgot
== NULL
)
2905 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2907 sreloc
= elf_section_data (input_section
)->sreloc
;
2908 /* We have to handle relocations in vxworks .tls_vars sections
2909 specially, because the dynamic loader is 'weird'. */
2910 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2911 && !strcmp (input_section
->output_section
->name
,
2915 if (ABI_64_P (output_bfd
))
2916 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2918 num_relocs
= input_section
->reloc_count
;
2919 relend
= relocs
+ num_relocs
;
2920 for (; rel
< relend
; rel
++)
2922 int r_type
, tls_type
;
2923 reloc_howto_type
*howto
;
2924 unsigned long r_symndx
;
2925 struct elf_link_hash_entry
*h
;
2926 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2927 Elf_Internal_Sym
*sym
;
2929 bfd_vma relocation
, off
;
2930 bfd_reloc_status_type r
;
2931 bfd_boolean is_plt
= FALSE
;
2932 bfd_boolean unresolved_reloc
;
2933 bfd_boolean resolved_to_zero
;
2934 bfd_boolean relative_reloc
;
2936 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2937 if (r_type
== R_SPARC_GNU_VTINHERIT
2938 || r_type
== R_SPARC_GNU_VTENTRY
)
2941 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2943 bfd_set_error (bfd_error_bad_value
);
2947 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2948 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2952 unresolved_reloc
= FALSE
;
2953 if (r_symndx
< symtab_hdr
->sh_info
)
2955 sym
= local_syms
+ r_symndx
;
2956 sec
= local_sections
[r_symndx
];
2957 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2959 if (!bfd_link_relocatable (info
)
2960 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
2962 /* Relocate against local STT_GNU_IFUNC symbol. */
2963 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
2968 /* Set STT_GNU_IFUNC symbol value. */
2969 h
->root
.u
.def
.value
= sym
->st_value
;
2970 h
->root
.u
.def
.section
= sec
;
2975 bfd_boolean warned
, ignored
;
2977 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
2978 r_symndx
, symtab_hdr
, sym_hashes
,
2980 unresolved_reloc
, warned
, ignored
);
2983 /* To avoid generating warning messages about truncated
2984 relocations, set the relocation's address to be the same as
2985 the start of this section. */
2986 if (input_section
->output_section
!= NULL
)
2987 relocation
= input_section
->output_section
->vma
;
2993 if (sec
!= NULL
&& discarded_section (sec
))
2994 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
2995 rel
, 1, relend
, howto
, 0, contents
);
2997 if (bfd_link_relocatable (info
))
3001 && h
->type
== STT_GNU_IFUNC
3007 if ((input_section
->flags
& SEC_ALLOC
) == 0
3008 || h
->plt
.offset
== (bfd_vma
) -1)
3010 /* If this is a SHT_NOTE section without SHF_ALLOC, treat
3011 STT_GNU_IFUNC symbol as STT_FUNC. */
3012 if (elf_section_type (input_section
) == SHT_NOTE
)
3017 plt_sec
= htab
->elf
.splt
;
3019 plt_sec
=htab
->elf
.iplt
;
3023 case R_SPARC_GOTDATA_OP
:
3026 case R_SPARC_GOTDATA_OP_HIX22
:
3027 case R_SPARC_GOTDATA_OP_LOX10
:
3028 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3031 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3037 if (htab
->elf
.sgot
== NULL
)
3039 off
= h
->got
.offset
;
3040 if (off
== (bfd_vma
) -1)
3042 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3045 case R_SPARC_WPLT30
:
3046 case R_SPARC_WDISP30
:
3047 relocation
= (plt_sec
->output_section
->vma
3048 + plt_sec
->output_offset
+ h
->plt
.offset
);
3053 if (bfd_link_pic (info
) && h
->non_got_ref
)
3055 Elf_Internal_Rela outrel
;
3058 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3061 if (offset
== (bfd_vma
) -1
3062 || offset
== (bfd_vma
) -2)
3065 outrel
.r_offset
= (input_section
->output_section
->vma
3066 + input_section
->output_offset
3069 if (h
->dynindx
== -1
3071 || bfd_link_executable (info
))
3073 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3074 0, R_SPARC_IRELATIVE
);
3075 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3079 if (h
->dynindx
== -1)
3081 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3082 outrel
.r_addend
= rel
->r_addend
;
3085 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3089 relocation
= (plt_sec
->output_section
->vma
3090 + plt_sec
->output_offset
+ h
->plt
.offset
);
3095 /* We should only see such relocs in static links. */
3096 if (bfd_link_pic (info
))
3098 relocation
= (plt_sec
->output_section
->vma
3099 + plt_sec
->output_offset
+ h
->plt
.offset
);
3103 if (h
->root
.root
.string
)
3104 name
= h
->root
.root
.string
;
3106 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3109 /* xgettext:c-format */
3110 (_("%pB: relocation %s against STT_GNU_IFUNC "
3111 "symbol `%s' isn't handled by %s"), input_bfd
,
3112 _bfd_sparc_elf_howto_table
[r_type
].name
,
3113 name
, __FUNCTION__
);
3114 bfd_set_error (bfd_error_bad_value
);
3120 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3121 resolved_to_zero
= eh
&& UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
3125 case R_SPARC_GOTDATA_OP_HIX22
:
3126 case R_SPARC_GOTDATA_OP_LOX10
:
3127 if (gdop_relative_offset_ok (info
, h
, relocation
))
3129 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3130 ? R_SPARC_GOTDATA_HIX22
3131 : R_SPARC_GOTDATA_LOX10
);
3132 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3136 case R_SPARC_GOTDATA_OP
:
3137 if (gdop_relative_offset_ok (info
, h
, relocation
))
3139 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3141 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3142 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3143 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3145 /* If the symbol is global but not dynamic, an .rela.* slot has
3146 been allocated for it in the GOT so output R_SPARC_NONE here,
3147 if it isn't also subject to another, old-style GOT relocation.
3148 See also the handling of these GOT relocations just below. */
3152 && h
->root
.type
!= bfd_link_hash_undefweak
3153 && !eh
->has_old_style_got_reloc
3154 && (h
->got
.offset
& 1) == 0
3155 && bfd_link_pic (info
))
3157 asection
*s
= htab
->elf
.srelgot
;
3158 Elf_Internal_Rela outrel
;
3160 BFD_ASSERT (s
!= NULL
);
3162 memset (&outrel
, 0, sizeof outrel
);
3163 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3172 case R_SPARC_GOTDATA_HIX22
:
3173 case R_SPARC_GOTDATA_LOX10
:
3174 relocation
= gdopoff (info
, relocation
);
3177 case R_SPARC_GOTDATA_OP_HIX22
:
3178 case R_SPARC_GOTDATA_OP_LOX10
:
3182 /* Relocation is to the entry for this symbol in the global
3184 if (htab
->elf
.sgot
== NULL
)
3187 relative_reloc
= FALSE
;
3192 off
= h
->got
.offset
;
3193 BFD_ASSERT (off
!= (bfd_vma
) -1);
3194 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3196 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3197 bfd_link_pic (info
),
3199 || (bfd_link_pic (info
)
3200 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3202 /* This is actually a static link, or it is a
3203 -Bsymbolic link and the symbol is defined
3204 locally, or the symbol was forced to be local
3205 because of a version file. We must initialize
3206 this entry in the global offset table. Since the
3207 offset must always be a multiple of 8 for 64-bit
3208 and 4 for 32-bit, we use the least significant bit
3209 to record whether we have initialized it already.
3211 When doing a dynamic link, we create a .rela.got
3212 relocation entry to initialize the value. This
3213 is done in the finish_dynamic_symbol routine. */
3218 /* If this symbol isn't dynamic in PIC mode, treat it
3219 like a local symbol in PIC mode below. */
3220 if (h
->dynindx
== -1
3222 && h
->root
.type
!= bfd_link_hash_undefweak
3223 && bfd_link_pic (info
))
3224 relative_reloc
= TRUE
;
3226 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3227 htab
->elf
.sgot
->contents
+ off
);
3232 unresolved_reloc
= FALSE
;
3236 BFD_ASSERT (local_got_offsets
!= NULL
3237 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3239 off
= local_got_offsets
[r_symndx
];
3241 /* The offset must always be a multiple of 8 on 64-bit and
3242 4 on 32-bit. We use the least significant bit to record
3243 whether we have already processed this entry. */
3248 /* For a local symbol in PIC mode, we need to generate a
3249 R_SPARC_RELATIVE reloc for the dynamic linker. */
3250 if (bfd_link_pic (info
))
3251 relative_reloc
= TRUE
;
3253 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3254 htab
->elf
.sgot
->contents
+ off
);
3255 local_got_offsets
[r_symndx
] |= 1;
3261 asection
*s
= htab
->elf
.srelgot
;
3262 Elf_Internal_Rela outrel
;
3264 BFD_ASSERT (s
!= NULL
);
3266 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3267 + htab
->elf
.sgot
->output_offset
3269 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3270 0, R_SPARC_RELATIVE
);
3271 outrel
.r_addend
= relocation
;
3272 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3273 /* Versions of glibc ld.so at least up to 2.26 wrongly
3274 add the section contents to the value calculated for
3275 a RELATIVE reloc. Zero the contents to work around
3278 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3279 htab
->elf
.sgot
->contents
+ off
);
3282 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3287 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3289 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3294 case R_SPARC_WPLT30
:
3295 case R_SPARC_HIPLT22
:
3296 case R_SPARC_LOPLT10
:
3297 case R_SPARC_PCPLT32
:
3298 case R_SPARC_PCPLT22
:
3299 case R_SPARC_PCPLT10
:
3301 /* Relocation is to the entry for this symbol in the
3302 procedure linkage table. */
3304 if (! ABI_64_P (output_bfd
))
3306 /* The Solaris native assembler will generate a WPLT30 reloc
3307 for a local symbol if you assemble a call from one
3308 section to another when using -K pic. We treat it as
3313 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3314 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3318 BFD_ASSERT (h
!= NULL
);
3321 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3323 /* We didn't make a PLT entry for this symbol. This
3324 happens when statically linking PIC code, or when
3325 using -Bsymbolic. */
3329 relocation
= (htab
->elf
.splt
->output_section
->vma
3330 + htab
->elf
.splt
->output_offset
3332 unresolved_reloc
= FALSE
;
3333 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3335 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3343 case R_SPARC_PC_HH22
:
3344 case R_SPARC_PC_HM10
:
3345 case R_SPARC_PC_LM22
:
3347 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3351 case R_SPARC_DISP16
:
3352 case R_SPARC_DISP32
:
3353 case R_SPARC_DISP64
:
3354 case R_SPARC_WDISP30
:
3355 case R_SPARC_WDISP22
:
3356 case R_SPARC_WDISP19
:
3357 case R_SPARC_WDISP16
:
3358 case R_SPARC_WDISP10
:
3386 if ((input_section
->flags
& SEC_ALLOC
) == 0 || is_vxworks_tls
)
3389 /* Copy dynamic function pointer relocations. Don't generate
3390 dynamic relocations against resolved undefined weak symbols
3392 if ((bfd_link_pic (info
)
3394 || !(h
->root
.type
== bfd_link_hash_undefweak
3395 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
3396 || resolved_to_zero
)))
3397 && (! howto
->pc_relative
3398 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3399 || (!bfd_link_pic (info
)
3405 || (h
->root
.type
== bfd_link_hash_undefweak
3406 && !resolved_to_zero
)
3407 || h
->root
.type
== bfd_link_hash_undefined
)))
3409 Elf_Internal_Rela outrel
;
3410 bfd_boolean skip
, relocate
= FALSE
;
3412 /* When generating a shared object, these relocations
3413 are copied into the output file to be resolved at run
3416 BFD_ASSERT (sreloc
!= NULL
);
3421 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3423 if (outrel
.r_offset
== (bfd_vma
) -1)
3425 else if (outrel
.r_offset
== (bfd_vma
) -2)
3426 skip
= TRUE
, relocate
= TRUE
;
3427 outrel
.r_offset
+= (input_section
->output_section
->vma
3428 + input_section
->output_offset
);
3430 /* Optimize unaligned reloc usage now that we know where
3431 it finally resides. */
3435 if (outrel
.r_offset
& 1)
3436 r_type
= R_SPARC_UA16
;
3439 if (!(outrel
.r_offset
& 1))
3440 r_type
= R_SPARC_16
;
3443 if (outrel
.r_offset
& 3)
3444 r_type
= R_SPARC_UA32
;
3447 if (!(outrel
.r_offset
& 3))
3448 r_type
= R_SPARC_32
;
3451 if (outrel
.r_offset
& 7)
3452 r_type
= R_SPARC_UA64
;
3455 if (!(outrel
.r_offset
& 7))
3456 r_type
= R_SPARC_64
;
3459 case R_SPARC_DISP16
:
3460 case R_SPARC_DISP32
:
3461 case R_SPARC_DISP64
:
3462 /* If the symbol is not dynamic, we should not keep
3463 a dynamic relocation. But an .rela.* slot has been
3464 allocated for it, output R_SPARC_NONE.
3465 FIXME: Add code tracking needed dynamic relocs as
3467 if (h
->dynindx
== -1)
3468 skip
= TRUE
, relocate
= TRUE
;
3473 memset (&outrel
, 0, sizeof outrel
);
3474 /* h->dynindx may be -1 if the symbol was marked to
3478 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3479 || !bfd_link_pic (info
)
3480 || !SYMBOLIC_BIND (info
, h
)
3481 || !h
->def_regular
))
3483 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3484 outrel
.r_addend
= rel
->r_addend
;
3488 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3489 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3491 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3492 0, R_SPARC_RELATIVE
);
3493 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3499 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3502 sec
= htab
->elf
.splt
;
3504 if (bfd_is_abs_section (sec
))
3506 else if (sec
== NULL
|| sec
->owner
== NULL
)
3508 bfd_set_error (bfd_error_bad_value
);
3515 /* We are turning this relocation into one
3516 against a section symbol. It would be
3517 proper to subtract the symbol's value,
3518 osec->vma, from the emitted reloc addend,
3519 but ld.so expects buggy relocs. */
3520 osec
= sec
->output_section
;
3521 indx
= elf_section_data (osec
)->dynindx
;
3525 osec
= htab
->elf
.text_index_section
;
3526 indx
= elf_section_data (osec
)->dynindx
;
3529 /* FIXME: we really should be able to link non-pic
3530 shared libraries. */
3535 (_("%pB: probably compiled without -fPIC?"),
3537 bfd_set_error (bfd_error_bad_value
);
3542 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3547 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3549 /* This reloc will be computed at runtime, so there's no
3550 need to do anything now. */
3556 case R_SPARC_TLS_GD_HI22
:
3557 case R_SPARC_TLS_GD_LO10
:
3558 case R_SPARC_TLS_IE_HI22
:
3559 case R_SPARC_TLS_IE_LO10
:
3560 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
,
3561 h
== NULL
|| h
->dynindx
== -1);
3562 if (r_type
== R_SPARC_REV32
)
3565 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3566 else if (local_got_offsets
)
3567 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3569 tls_type
= GOT_UNKNOWN
;
3570 if (tls_type
== GOT_TLS_IE
)
3573 case R_SPARC_TLS_GD_HI22
:
3574 r_type
= R_SPARC_TLS_IE_HI22
;
3576 case R_SPARC_TLS_GD_LO10
:
3577 r_type
= R_SPARC_TLS_IE_LO10
;
3581 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3583 relocation
= tpoff (info
, relocation
);
3586 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3588 /* Change add into xor. */
3589 relocation
= tpoff (info
, relocation
);
3590 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3591 contents
+ rel
->r_offset
)
3592 | 0x80182000), contents
+ rel
->r_offset
);
3598 off
= h
->got
.offset
;
3603 BFD_ASSERT (local_got_offsets
!= NULL
);
3604 off
= local_got_offsets
[r_symndx
];
3605 local_got_offsets
[r_symndx
] |= 1;
3609 if (htab
->elf
.sgot
== NULL
)
3616 Elf_Internal_Rela outrel
;
3619 if (htab
->elf
.srelgot
== NULL
)
3622 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3623 htab
->elf
.sgot
->contents
+ off
);
3624 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3625 + htab
->elf
.sgot
->output_offset
+ off
);
3626 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3627 if (r_type
== R_SPARC_TLS_IE_HI22
3628 || r_type
== R_SPARC_TLS_IE_LO10
)
3629 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3631 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3632 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3633 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3635 outrel
.r_addend
= 0;
3636 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3637 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3639 if (r_type
== R_SPARC_TLS_GD_HI22
3640 || r_type
== R_SPARC_TLS_GD_LO10
)
3644 BFD_ASSERT (! unresolved_reloc
);
3645 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3646 relocation
- dtpoff_base (info
),
3647 (htab
->elf
.sgot
->contents
+ off
3648 + SPARC_ELF_WORD_BYTES (htab
)));
3652 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3653 (htab
->elf
.sgot
->contents
+ off
3654 + SPARC_ELF_WORD_BYTES (htab
)));
3655 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3656 SPARC_ELF_DTPOFF_RELOC (htab
));
3657 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3658 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3662 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3664 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3665 (htab
->elf
.sgot
->contents
+ off
3666 + SPARC_ELF_WORD_BYTES (htab
)));
3670 if (off
>= (bfd_vma
) -2)
3673 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3674 unresolved_reloc
= FALSE
;
3675 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3678 case R_SPARC_TLS_LDM_HI22
:
3679 case R_SPARC_TLS_LDM_LO10
:
3681 if (bfd_link_executable (info
))
3683 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3686 off
= htab
->tls_ldm_got
.offset
;
3687 htab
->tls_ldm_got
.offset
|= 1;
3688 goto r_sparc_tlsldm
;
3690 case R_SPARC_TLS_LDO_HIX22
:
3691 case R_SPARC_TLS_LDO_LOX10
:
3693 if (bfd_link_executable (info
))
3695 if (r_type
== R_SPARC_TLS_LDO_HIX22
)
3696 r_type
= R_SPARC_TLS_LE_HIX22
;
3698 r_type
= R_SPARC_TLS_LE_LOX10
;
3702 relocation
-= dtpoff_base (info
);
3707 case R_SPARC_TLS_LE_HIX22
:
3708 case R_SPARC_TLS_LE_LOX10
:
3709 if (!bfd_link_executable (info
))
3711 Elf_Internal_Rela outrel
;
3713 = _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3715 if (offset
== (bfd_vma
) -1 || offset
== (bfd_vma
) -2)
3716 memset (&outrel
, 0, sizeof outrel
);
3719 outrel
.r_offset
= offset
3720 + input_section
->output_section
->vma
3721 + input_section
->output_offset
;
3722 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3724 = relocation
- dtpoff_base (info
) + rel
->r_addend
;
3727 BFD_ASSERT (sreloc
!= NULL
);
3728 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3731 relocation
= tpoff (info
, relocation
);
3734 case R_SPARC_TLS_LDM_CALL
:
3736 if (bfd_link_executable (info
))
3739 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3744 case R_SPARC_TLS_GD_CALL
:
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
)
3753 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3755 Elf_Internal_Rela
*rel2
;
3759 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3761 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3766 if (rel
+ 1 < relend
3767 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3768 && rel
[1].r_offset
== rel
->r_offset
+ 4
3769 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3770 && (((insn
= bfd_get_32 (input_bfd
,
3771 contents
+ rel
[1].r_offset
))
3772 >> 25) & 0x1f) == 8)
3775 call __tls_get_addr, %tgd_call(foo)
3776 add %reg1, %reg2, %o0, %tgd_add(foo)
3777 and change it into IE:
3778 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3779 add %g7, %o0, %o0, %tie_add(foo).
3780 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3781 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3782 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3783 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3784 contents
+ rel
->r_offset
);
3785 bfd_put_32 (output_bfd
, 0x9001c008,
3786 contents
+ rel
->r_offset
+ 4);
3791 /* We cannot just overwrite the delay slot instruction,
3792 as it might be what puts the %o0 argument to
3793 __tls_get_addr into place. So we have to transpose
3794 the delay slot with the add we patch in. */
3795 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3796 bfd_put_32 (output_bfd
, insn
,
3797 contents
+ rel
->r_offset
);
3798 bfd_put_32 (output_bfd
, 0x9001c008,
3799 contents
+ rel
->r_offset
+ 4);
3802 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3806 /* If the instruction we moved has a relocation attached to
3807 it, adjust the offset so that it will apply to the correct
3809 rel2
->r_offset
-= 4;
3814 h
= (struct elf_link_hash_entry
*)
3815 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3817 BFD_ASSERT (h
!= NULL
);
3818 r_type
= R_SPARC_WPLT30
;
3819 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3820 goto r_sparc_wplt30
;
3822 case R_SPARC_TLS_GD_ADD
:
3824 tls_type
= _bfd_sparc_elf_hash_entry (h
)->tls_type
;
3825 else if (local_got_offsets
)
3826 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3828 tls_type
= GOT_UNKNOWN
;
3829 /* GD -> IE or LE */
3830 if (bfd_link_executable (info
) || tls_type
== GOT_TLS_IE
)
3832 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3834 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3836 add %g7, %reg2, %reg3. */
3837 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3838 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3839 relocation
= (insn
& ~0x7c000) | 0x1c000;
3841 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3842 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3846 case R_SPARC_TLS_LDM_ADD
:
3848 if (bfd_link_executable (info
))
3849 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3852 case R_SPARC_TLS_LDO_ADD
:
3854 if (bfd_link_executable (info
))
3856 /* Change rs1 into %g7. */
3857 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3858 insn
= (insn
& ~0x7c000) | 0x1c000;
3859 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3863 case R_SPARC_TLS_IE_LD
:
3864 case R_SPARC_TLS_IE_LDX
:
3866 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3868 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3869 int rs2
= insn
& 0x1f;
3870 int rd
= (insn
>> 25) & 0x1f;
3873 relocation
= SPARC_NOP
;
3875 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3876 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3880 case R_SPARC_TLS_IE_ADD
:
3881 /* Totally useless relocation. */
3884 case R_SPARC_TLS_DTPOFF32
:
3885 case R_SPARC_TLS_DTPOFF64
:
3886 relocation
-= dtpoff_base (info
);
3893 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3894 because such sections are not SEC_ALLOC and thus ld.so will
3895 not process them. */
3896 if (unresolved_reloc
3897 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3899 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3900 rel
->r_offset
) != (bfd_vma
) -1)
3902 /* xgettext:c-format */
3903 (_("%pB(%pA+%#" PRIx64
"): "
3904 "unresolvable %s relocation against symbol `%s'"),
3907 (uint64_t) rel
->r_offset
,
3909 h
->root
.root
.string
);
3911 r
= bfd_reloc_continue
;
3912 if (r_type
== R_SPARC_OLO10
)
3916 if (! ABI_64_P (output_bfd
))
3919 relocation
+= rel
->r_addend
;
3920 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3922 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3923 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3924 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3926 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3927 howto
->bitsize
, howto
->rightshift
,
3928 bfd_arch_bits_per_address (input_bfd
),
3931 else if (r_type
== R_SPARC_WDISP16
)
3935 relocation
+= rel
->r_addend
;
3936 relocation
-= (input_section
->output_section
->vma
3937 + input_section
->output_offset
);
3938 relocation
-= rel
->r_offset
;
3940 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3941 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3942 | ((relocation
>> 2) & 0x3fff));
3943 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3945 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3946 howto
->bitsize
, howto
->rightshift
,
3947 bfd_arch_bits_per_address (input_bfd
),
3950 else if (r_type
== R_SPARC_WDISP10
)
3954 relocation
+= rel
->r_addend
;
3955 relocation
-= (input_section
->output_section
->vma
3956 + input_section
->output_offset
);
3957 relocation
-= rel
->r_offset
;
3959 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3960 x
|= ((((relocation
>> 2) & 0x300) << 11)
3961 | (((relocation
>> 2) & 0xff) << 5));
3962 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3964 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3965 howto
->bitsize
, howto
->rightshift
,
3966 bfd_arch_bits_per_address (input_bfd
),
3969 else if (r_type
== R_SPARC_REV32
)
3973 relocation
= relocation
+ rel
->r_addend
;
3975 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3977 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
3980 else if (r_type
== R_SPARC_TLS_LDO_HIX22
3981 || r_type
== R_SPARC_TLS_LE_HIX22
)
3985 relocation
+= rel
->r_addend
;
3986 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3987 relocation
^= MINUS_ONE
;
3989 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3990 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
3991 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3994 else if (r_type
== R_SPARC_TLS_LDO_LOX10
3995 || r_type
== R_SPARC_TLS_LE_LOX10
)
3999 relocation
+= rel
->r_addend
;
4000 relocation
&= 0x3ff;
4001 if (r_type
== R_SPARC_TLS_LE_LOX10
)
4002 relocation
|= 0x1c00;
4004 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4005 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4006 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4010 else if (r_type
== R_SPARC_HIX22
4011 || r_type
== R_SPARC_GOTDATA_HIX22
4012 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
4016 relocation
+= rel
->r_addend
;
4017 if (r_type
== R_SPARC_HIX22
4018 || (bfd_signed_vma
) relocation
< 0)
4019 relocation
= relocation
^ MINUS_ONE
;
4021 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4022 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4023 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4025 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4026 howto
->bitsize
, howto
->rightshift
,
4027 bfd_arch_bits_per_address (input_bfd
),
4030 else if (r_type
== R_SPARC_LOX10
4031 || r_type
== R_SPARC_GOTDATA_LOX10
4032 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
4036 relocation
+= rel
->r_addend
;
4037 if (r_type
== R_SPARC_LOX10
4038 || (bfd_signed_vma
) relocation
< 0)
4039 relocation
= (relocation
& 0x3ff) | 0x1c00;
4041 relocation
= (relocation
& 0x3ff);
4043 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4044 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4045 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4049 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
4050 && sec_do_relax (input_section
)
4051 && rel
->r_offset
+ 4 < input_section
->size
)
4055 #define XCC (2 << 20)
4056 #define COND(x) (((x)&0xf)<<25)
4057 #define CONDA COND(0x8)
4058 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4059 #define INSN_BA (F2(0,2) | CONDA)
4060 #define INSN_OR F3(2, 0x2, 0)
4061 #define INSN_NOP F2(0,4)
4065 /* If the instruction is a call with either:
4067 arithmetic instruction with rd == %o7
4068 where rs1 != %o7 and rs2 if it is register != %o7
4069 then we can optimize if the call destination is near
4070 by changing the call into a branch always. */
4071 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4072 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4073 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4075 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4076 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4077 && (y
& RD(~0)) == RD(O7
)))
4078 && (y
& RS1(~0)) != RS1(O7
)
4080 || (y
& RS2(~0)) != RS2(O7
)))
4084 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4085 reloc
-= (input_section
->output_section
->vma
4086 + input_section
->output_offset
);
4088 /* Ensure the branch fits into simm22. */
4089 if ((reloc
& 3) == 0
4090 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4091 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4095 /* Check whether it fits into simm19. */
4096 if (((reloc
& 0x3c0000) == 0
4097 || (reloc
& 0x3c0000) == 0x3c0000)
4098 && (ABI_64_P (output_bfd
)
4099 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4100 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4102 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4103 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4105 if (rel
->r_offset
>= 4
4106 && (y
& (0xffffffff ^ RS1(~0)))
4107 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4112 z
= bfd_get_32 (input_bfd
,
4113 contents
+ rel
->r_offset
- 4);
4114 if ((z
& (0xffffffff ^ RD(~0)))
4115 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4123 If call foo was replaced with ba, replace
4124 or %rN, %g0, %o7 with nop. */
4126 reg
= (y
& RS1(~0)) >> 14;
4127 if (reg
!= ((z
& RD(~0)) >> 25)
4128 || reg
== G0
|| reg
== O7
)
4131 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4132 contents
+ rel
->r_offset
+ 4);
4140 if (r
== bfd_reloc_continue
)
4143 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4144 contents
, rel
->r_offset
,
4145 relocation
, rel
->r_addend
);
4147 if (r
!= bfd_reloc_ok
)
4152 case bfd_reloc_outofrange
:
4154 case bfd_reloc_overflow
:
4158 /* The Solaris native linker silently disregards overflows.
4159 We don't, but this breaks stabs debugging info, whose
4160 relocations are only 32-bits wide. Ignore overflows in
4161 this case and also for discarded entries. */
4162 if ((r_type
== R_SPARC_32
4163 || r_type
== R_SPARC_UA32
4164 || r_type
== R_SPARC_DISP32
)
4165 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4166 && strcmp (bfd_section_name (input_section
),
4168 || _bfd_elf_section_offset (output_bfd
, info
,
4176 /* Assume this is a call protected by other code that
4177 detect the symbol is undefined. If this is the case,
4178 we can safely ignore the overflow. If not, the
4179 program is hosed anyway, and a little warning isn't
4181 if (h
->root
.type
== bfd_link_hash_undefweak
4182 && howto
->pc_relative
)
4189 name
= bfd_elf_string_from_elf_section (input_bfd
,
4190 symtab_hdr
->sh_link
,
4195 name
= bfd_section_name (sec
);
4197 (*info
->callbacks
->reloc_overflow
)
4198 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4199 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4209 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4210 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4211 is the offset of the associated .got.plt entry from
4212 _GLOBAL_OFFSET_TABLE_. */
4215 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4216 bfd_vma plt_offset
, bfd_vma plt_index
,
4220 const bfd_vma
*plt_entry
;
4221 struct _bfd_sparc_elf_link_hash_table
*htab
;
4223 Elf_Internal_Rela rela
;
4225 htab
= _bfd_sparc_elf_hash_table (info
);
4226 BFD_ASSERT (htab
!= NULL
);
4228 if (bfd_link_pic (info
))
4230 plt_entry
= sparc_vxworks_shared_plt_entry
;
4235 plt_entry
= sparc_vxworks_exec_plt_entry
;
4236 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4237 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4238 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4241 /* Fill in the entry in the procedure linkage table. */
4242 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4243 htab
->elf
.splt
->contents
+ plt_offset
);
4244 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4245 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4246 bfd_put_32 (output_bfd
, plt_entry
[2],
4247 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4248 bfd_put_32 (output_bfd
, plt_entry
[3],
4249 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4250 bfd_put_32 (output_bfd
, plt_entry
[4],
4251 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4252 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4253 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4254 /* PC-relative displacement for a branch to the start of
4256 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4258 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4259 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4260 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4262 /* Fill in the .got.plt entry, pointing initially at the
4263 second half of the PLT entry. */
4264 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4265 bfd_put_32 (output_bfd
,
4266 htab
->elf
.splt
->output_section
->vma
4267 + htab
->elf
.splt
->output_offset
4269 htab
->elf
.sgotplt
->contents
+ got_offset
);
4271 /* Add relocations to .rela.plt.unloaded. */
4272 if (!bfd_link_pic (info
))
4274 loc
= (htab
->srelplt2
->contents
4275 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4277 /* Relocate the initial sethi. */
4278 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4279 + htab
->elf
.splt
->output_offset
4281 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4282 rela
.r_addend
= got_offset
;
4283 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4284 loc
+= sizeof (Elf32_External_Rela
);
4286 /* Likewise the following or. */
4288 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4289 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4290 loc
+= sizeof (Elf32_External_Rela
);
4292 /* Relocate the .got.plt entry. */
4293 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4294 + htab
->elf
.sgotplt
->output_offset
4296 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4297 rela
.r_addend
= plt_offset
+ 20;
4298 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4302 /* Finish up dynamic symbol handling. We set the contents of various
4303 dynamic sections here. */
4306 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4307 struct bfd_link_info
*info
,
4308 struct elf_link_hash_entry
*h
,
4309 Elf_Internal_Sym
*sym
)
4311 struct _bfd_sparc_elf_link_hash_table
*htab
;
4312 const struct elf_backend_data
*bed
;
4313 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4314 bfd_boolean resolved_to_zero
;
4316 htab
= _bfd_sparc_elf_hash_table (info
);
4317 BFD_ASSERT (htab
!= NULL
);
4318 bed
= get_elf_backend_data (output_bfd
);
4320 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4322 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4323 resolved undefined weak symbols in executable so that their
4324 references have value 0 at run-time. */
4325 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4327 if (h
->plt
.offset
!= (bfd_vma
) -1)
4331 Elf_Internal_Rela rela
;
4333 bfd_vma r_offset
, got_offset
;
4336 /* When building a static executable, use .iplt and
4337 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4338 if (htab
->elf
.splt
!= NULL
)
4340 splt
= htab
->elf
.splt
;
4341 srela
= htab
->elf
.srelplt
;
4345 splt
= htab
->elf
.iplt
;
4346 srela
= htab
->elf
.irelplt
;
4349 if (splt
== NULL
|| srela
== NULL
)
4352 /* Fill in the entry in the .rela.plt section. */
4353 if (htab
->is_vxworks
)
4355 /* Work out the index of this PLT entry. */
4356 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4357 / htab
->plt_entry_size
);
4359 /* Calculate the offset of the associated .got.plt entry.
4360 The first three entries are reserved. */
4361 got_offset
= (rela_index
+ 3) * 4;
4363 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4364 rela_index
, got_offset
);
4367 /* On VxWorks, the relocation points to the .got.plt entry,
4368 not the .plt entry. */
4369 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4370 + htab
->elf
.sgotplt
->output_offset
4373 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4378 bfd_boolean ifunc
= FALSE
;
4380 /* Fill in the entry in the procedure linkage table. */
4381 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4382 h
->plt
.offset
, splt
->size
,
4387 || ((bfd_link_executable (info
)
4388 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4390 && h
->type
== STT_GNU_IFUNC
))
4393 BFD_ASSERT (h
== NULL
4394 || (h
->type
== STT_GNU_IFUNC
4396 && (h
->root
.type
== bfd_link_hash_defined
4397 || h
->root
.type
== bfd_link_hash_defweak
)));
4400 rela
.r_offset
= r_offset
4401 + (splt
->output_section
->vma
+ splt
->output_offset
);
4402 if (ABI_64_P (output_bfd
)
4403 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4407 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4408 + h
->root
.u
.def
.section
->output_offset
4409 + h
->root
.u
.def
.value
);
4410 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4415 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4416 - splt
->output_section
->vma
4417 - splt
->output_offset
);
4418 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4426 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4427 + h
->root
.u
.def
.section
->output_offset
4428 + h
->root
.u
.def
.value
);
4429 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4435 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4441 /* Adjust for the first 4 reserved elements in the .plt section
4442 when setting the offset in the .rela.plt section.
4443 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4444 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4446 loc
= srela
->contents
;
4447 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4448 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4450 if (!resolved_to_zero
&& !h
->def_regular
)
4452 /* Mark the symbol as undefined, rather than as defined in
4453 the .plt section. Leave the value alone. */
4454 sym
->st_shndx
= SHN_UNDEF
;
4455 /* If the symbol is weak, we do need to clear the value.
4456 Otherwise, the PLT entry would provide a definition for
4457 the symbol even if the symbol wasn't defined anywhere,
4458 and so the symbol would never be NULL. */
4459 if (!h
->ref_regular_nonweak
)
4464 /* Don't generate dynamic GOT relocation against resolved undefined weak
4465 symbols in an executable. */
4466 if (h
->got
.offset
!= (bfd_vma
) -1
4467 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4468 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4469 && !(h
->root
.type
== bfd_link_hash_undefweak
4470 && (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
4471 || resolved_to_zero
)))
4475 Elf_Internal_Rela rela
;
4477 /* This symbol has an entry in the GOT. Set it up. */
4479 sgot
= htab
->elf
.sgot
;
4480 srela
= htab
->elf
.srelgot
;
4481 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4483 rela
.r_offset
= (sgot
->output_section
->vma
4484 + sgot
->output_offset
4485 + (h
->got
.offset
&~ (bfd_vma
) 1));
4487 /* If this is a -Bsymbolic link, and the symbol is defined
4488 locally, we just want to emit a RELATIVE reloc. Likewise if
4489 the symbol was forced to be local because of a version file.
4490 The entry in the global offset table will already have been
4491 initialized in the relocate_section function. */
4492 if (! bfd_link_pic (info
)
4493 && h
->type
== STT_GNU_IFUNC
4498 /* We load the GOT entry with the PLT entry. */
4499 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4500 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4501 (plt
->output_section
->vma
4502 + plt
->output_offset
+ h
->plt
.offset
),
4503 htab
->elf
.sgot
->contents
4504 + (h
->got
.offset
& ~(bfd_vma
) 1));
4508 if (bfd_link_pic (info
) && SYMBOL_REFERENCES_LOCAL (info
, h
))
4510 asection
*sec
= h
->root
.u
.def
.section
;
4511 if (h
->type
== STT_GNU_IFUNC
)
4512 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4514 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4515 rela
.r_addend
= (h
->root
.u
.def
.value
4516 + sec
->output_section
->vma
4517 + sec
->output_offset
);
4521 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4525 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4526 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4527 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4533 Elf_Internal_Rela rela
;
4535 /* This symbols needs a copy reloc. Set it up. */
4536 BFD_ASSERT (h
->dynindx
!= -1);
4538 rela
.r_offset
= (h
->root
.u
.def
.value
4539 + h
->root
.u
.def
.section
->output_section
->vma
4540 + h
->root
.u
.def
.section
->output_offset
);
4541 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4543 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4544 s
= htab
->elf
.sreldynrelro
;
4546 s
= htab
->elf
.srelbss
;
4547 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4550 /* Mark some specially defined symbols as absolute. On VxWorks,
4551 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4552 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4554 && (h
== htab
->elf
.hdynamic
4555 || (!htab
->is_vxworks
4556 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4557 sym
->st_shndx
= SHN_ABS
;
4562 /* Finish up the dynamic sections. */
4565 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4566 bfd
*dynobj
, asection
*sdyn
,
4567 asection
*splt ATTRIBUTE_UNUSED
)
4569 struct _bfd_sparc_elf_link_hash_table
*htab
;
4570 const struct elf_backend_data
*bed
;
4571 bfd_byte
*dyncon
, *dynconend
;
4573 int stt_regidx
= -1;
4574 bfd_boolean abi_64_p
;
4576 htab
= _bfd_sparc_elf_hash_table (info
);
4577 BFD_ASSERT (htab
!= NULL
);
4578 bed
= get_elf_backend_data (output_bfd
);
4579 dynsize
= bed
->s
->sizeof_dyn
;
4580 dynconend
= sdyn
->contents
+ sdyn
->size
;
4581 abi_64_p
= ABI_64_P (output_bfd
);
4582 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4584 Elf_Internal_Dyn dyn
;
4587 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4589 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4591 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4592 not to the start of the PLT. */
4593 if (htab
->elf
.sgotplt
)
4595 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4596 + htab
->elf
.sgotplt
->output_offset
);
4597 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4600 else if (htab
->is_vxworks
4601 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4602 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4603 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4605 if (stt_regidx
== -1)
4608 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4609 if (stt_regidx
== -1)
4612 dyn
.d_un
.d_val
= stt_regidx
++;
4613 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4626 s
= htab
->elf
.srelplt
;
4630 s
= htab
->elf
.srelplt
;
4642 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4644 dyn
.d_un
.d_val
= s
->size
;
4646 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4652 /* Install the first PLT entry in a VxWorks executable and make sure that
4653 .rela.plt.unloaded relocations have the correct symbol indexes. */
4656 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4658 struct _bfd_sparc_elf_link_hash_table
*htab
;
4659 Elf_Internal_Rela rela
;
4663 htab
= _bfd_sparc_elf_hash_table (info
);
4664 BFD_ASSERT (htab
!= NULL
);
4666 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4667 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4668 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4669 + htab
->elf
.hgot
->root
.u
.def
.value
);
4671 /* Install the initial PLT entry. */
4672 bfd_put_32 (output_bfd
,
4673 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4674 htab
->elf
.splt
->contents
);
4675 bfd_put_32 (output_bfd
,
4676 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4677 htab
->elf
.splt
->contents
+ 4);
4678 bfd_put_32 (output_bfd
,
4679 sparc_vxworks_exec_plt0_entry
[2],
4680 htab
->elf
.splt
->contents
+ 8);
4681 bfd_put_32 (output_bfd
,
4682 sparc_vxworks_exec_plt0_entry
[3],
4683 htab
->elf
.splt
->contents
+ 12);
4684 bfd_put_32 (output_bfd
,
4685 sparc_vxworks_exec_plt0_entry
[4],
4686 htab
->elf
.splt
->contents
+ 16);
4688 loc
= htab
->srelplt2
->contents
;
4690 /* Add an unloaded relocation for the initial entry's "sethi". */
4691 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4692 + htab
->elf
.splt
->output_offset
);
4693 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4695 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4696 loc
+= sizeof (Elf32_External_Rela
);
4698 /* Likewise the following "or". */
4700 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4701 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4702 loc
+= sizeof (Elf32_External_Rela
);
4704 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4705 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4706 in which symbols were output. */
4707 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4709 Elf_Internal_Rela rel
;
4711 /* The entry's initial "sethi" (against _G_O_T_). */
4712 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4713 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4714 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4715 loc
+= sizeof (Elf32_External_Rela
);
4717 /* The following "or" (also against _G_O_T_). */
4718 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4719 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4720 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4721 loc
+= sizeof (Elf32_External_Rela
);
4723 /* The .got.plt entry (against _P_L_T_). */
4724 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4725 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4726 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4727 loc
+= sizeof (Elf32_External_Rela
);
4731 /* Install the first PLT entry in a VxWorks shared object. */
4734 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4736 struct _bfd_sparc_elf_link_hash_table
*htab
;
4739 htab
= _bfd_sparc_elf_hash_table (info
);
4740 BFD_ASSERT (htab
!= NULL
);
4742 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4743 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4744 htab
->elf
.splt
->contents
+ i
* 4);
4747 /* Finish up local dynamic symbol handling. We set the contents of
4748 various dynamic sections here. */
4751 finish_local_dynamic_symbol (void **slot
, void *inf
)
4753 struct elf_link_hash_entry
*h
4754 = (struct elf_link_hash_entry
*) *slot
;
4755 struct bfd_link_info
*info
4756 = (struct bfd_link_info
*) inf
;
4758 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4762 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4763 here since undefined weak symbol may not be dynamic and may not be
4764 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4767 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4770 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4771 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4773 if (h
->root
.type
!= bfd_link_hash_undefweak
4774 || h
->dynindx
!= -1)
4777 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4782 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4786 struct _bfd_sparc_elf_link_hash_table
*htab
;
4788 htab
= _bfd_sparc_elf_hash_table (info
);
4789 BFD_ASSERT (htab
!= NULL
);
4790 dynobj
= htab
->elf
.dynobj
;
4792 /* We arranged in size_dynamic_sections to put the STT_REGISTER
4793 entries at the end of the dynlocal list, so they came at the end
4794 of the local symbols in the symtab. Except that they aren't
4795 STB_LOCAL, so we need to back up symtab->sh_info. */
4796 if (ABI_64_P (output_bfd
)
4797 && elf_hash_table (info
)->dynlocal
)
4799 asection
*dynsymsec
= bfd_get_linker_section (dynobj
, ".dynsym");
4800 struct elf_link_local_dynamic_entry
*e
;
4802 for (e
= elf_hash_table (info
)->dynlocal
; e
; e
= e
->next
)
4803 if (e
->input_indx
== -1)
4806 elf_section_data (dynsymsec
->output_section
)->this_hdr
.sh_info
4810 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4812 if (elf_hash_table (info
)->dynamic_sections_created
)
4816 splt
= htab
->elf
.splt
;
4817 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4819 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4822 /* Initialize the contents of the .plt section. */
4825 if (htab
->is_vxworks
)
4827 if (bfd_link_pic (info
))
4828 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4830 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4834 memset (splt
->contents
, 0, htab
->plt_header_size
);
4835 if (!ABI_64_P (output_bfd
))
4836 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4837 splt
->contents
+ splt
->size
- 4);
4841 if (elf_section_data (splt
->output_section
) != NULL
)
4842 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4843 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4844 ? 0 : htab
->plt_entry_size
);
4847 /* Set the first entry in the global offset table to the address of
4848 the dynamic section. */
4849 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4851 bfd_vma val
= (sdyn
?
4852 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4855 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4859 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4860 SPARC_ELF_WORD_BYTES (htab
);
4862 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4863 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4865 /* Fill PLT entries for undefined weak symbols in PIE. */
4866 if (bfd_link_pie (info
))
4867 bfd_hash_traverse (&info
->hash
->table
,
4868 pie_finish_undefweak_symbol
,
4874 /* Set the right machine number for a SPARC ELF file. */
4877 _bfd_sparc_elf_object_p (bfd
*abfd
)
4879 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4880 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4881 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4883 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4884 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4885 | ELF_SPARC_HWCAP_VIS3
4886 | ELF_SPARC_HWCAP_HPC
);
4887 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4888 | ELF_SPARC_HWCAP_DES
4889 | ELF_SPARC_HWCAP_KASUMI
4890 | ELF_SPARC_HWCAP_CAMELLIA
4891 | ELF_SPARC_HWCAP_MD5
4892 | ELF_SPARC_HWCAP_SHA1
4893 | ELF_SPARC_HWCAP_SHA256
4894 | ELF_SPARC_HWCAP_SHA512
4895 | ELF_SPARC_HWCAP_MPMUL
4896 | ELF_SPARC_HWCAP_MONT
4897 | ELF_SPARC_HWCAP_CRC32C
4898 | ELF_SPARC_HWCAP_CBCOND
4899 | ELF_SPARC_HWCAP_PAUSE
);
4900 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4901 | ELF_SPARC_HWCAP_IMA
);
4902 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4903 | ELF_SPARC_HWCAP2_MWAIT
4904 | ELF_SPARC_HWCAP2_XMPMUL
4905 | ELF_SPARC_HWCAP2_XMONT
);
4906 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4907 | ELF_SPARC_HWCAP2_ONADDSUB
4908 | ELF_SPARC_HWCAP2_ONMUL
4909 | ELF_SPARC_HWCAP2_ONDIV
4910 | ELF_SPARC_HWCAP2_DICTUNP
4911 | ELF_SPARC_HWCAP2_FPCMPSHL
4912 | ELF_SPARC_HWCAP2_RLE
4913 | ELF_SPARC_HWCAP2_SHA3
);
4915 if (ABI_64_P (abfd
))
4917 unsigned long mach
= bfd_mach_sparc_v9
;
4919 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4920 mach
= bfd_mach_sparc_v9m8
;
4921 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4922 mach
= bfd_mach_sparc_v9m
;
4923 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4924 mach
= bfd_mach_sparc_v9v
;
4925 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4926 mach
= bfd_mach_sparc_v9e
;
4927 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4928 mach
= bfd_mach_sparc_v9d
;
4929 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4930 mach
= bfd_mach_sparc_v9c
;
4931 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4932 mach
= bfd_mach_sparc_v9b
;
4933 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4934 mach
= bfd_mach_sparc_v9a
;
4935 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4939 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4941 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4942 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4943 bfd_mach_sparc_v8plusm8
);
4944 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4945 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4946 bfd_mach_sparc_v8plusm
);
4947 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4948 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4949 bfd_mach_sparc_v8plusv
);
4950 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4951 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4952 bfd_mach_sparc_v8pluse
);
4953 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4954 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4955 bfd_mach_sparc_v8plusd
);
4956 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4957 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4958 bfd_mach_sparc_v8plusc
);
4959 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4960 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4961 bfd_mach_sparc_v8plusb
);
4962 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4963 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4964 bfd_mach_sparc_v8plusa
);
4965 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4966 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4967 bfd_mach_sparc_v8plus
);
4971 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4972 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4973 bfd_mach_sparc_sparclite_le
);
4975 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4979 /* Return address for Ith PLT stub in section PLT, for relocation REL
4980 or (bfd_vma) -1 if it should not be included. */
4983 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4985 if (ABI_64_P (plt
->owner
))
4989 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4990 if (i
< PLT64_LARGE_THRESHOLD
)
4991 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
4993 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
4995 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
4998 return rel
->address
;
5001 /* Merge backend specific data from an object file to the output
5002 object file when linking. */
5005 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
5007 bfd
*obfd
= info
->output_bfd
;
5008 obj_attribute
*in_attr
, *in_attrs
;
5009 obj_attribute
*out_attr
, *out_attrs
;
5011 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
5013 /* This is the first object. Copy the attributes. */
5014 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
5016 /* Use the Tag_null value to indicate the attributes have been
5018 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
5023 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
5024 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
5026 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
5027 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
5029 out_attr
->i
|= in_attr
->i
;
5032 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5033 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5035 out_attr
->i
|= in_attr
->i
;
5038 /* Merge Tag_compatibility attributes and any common GNU ones. */
5039 _bfd_elf_merge_object_attributes (ibfd
, info
);