1 /* SPARC-specific support for ELF
2 Copyright (C) 2005-2017 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 ATTRIBUTE_UNUSED
,
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 bfd_set_error (bfd_error_bad_value
);
593 _bfd_sparc_elf_reloc_name_lookup (bfd
*abfd ATTRIBUTE_UNUSED
,
599 i
< (sizeof (_bfd_sparc_elf_howto_table
)
600 / sizeof (_bfd_sparc_elf_howto_table
[0]));
602 if (_bfd_sparc_elf_howto_table
[i
].name
!= NULL
603 && strcasecmp (_bfd_sparc_elf_howto_table
[i
].name
, r_name
) == 0)
604 return &_bfd_sparc_elf_howto_table
[i
];
606 if (strcasecmp (sparc_vtinherit_howto
.name
, r_name
) == 0)
607 return &sparc_vtinherit_howto
;
608 if (strcasecmp (sparc_vtentry_howto
.name
, r_name
) == 0)
609 return &sparc_vtentry_howto
;
610 if (strcasecmp (sparc_rev32_howto
.name
, r_name
) == 0)
611 return &sparc_rev32_howto
;
617 _bfd_sparc_elf_info_to_howto_ptr (unsigned int r_type
)
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 (_("invalid relocation type %d"), (int) r_type
);
640 r_type
= R_SPARC_NONE
;
642 return &_bfd_sparc_elf_howto_table
[r_type
];
646 /* Both 32-bit and 64-bit sparc encode this in an identical manner,
647 so just take advantage of that. */
648 #define SPARC_ELF_R_TYPE(r_info) \
652 _bfd_sparc_elf_info_to_howto (bfd
*abfd ATTRIBUTE_UNUSED
, arelent
*cache_ptr
,
653 Elf_Internal_Rela
*dst
)
655 unsigned int r_type
= SPARC_ELF_R_TYPE (dst
->r_info
);
657 cache_ptr
->howto
= _bfd_sparc_elf_info_to_howto_ptr (r_type
);
661 /* The nop opcode we use. */
662 #define SPARC_NOP 0x01000000
664 #define SPARC_INSN_BYTES 4
666 /* The SPARC linker needs to keep track of the number of relocs that it
667 decides to copy as dynamic relocs in check_relocs for each symbol.
668 This is so that it can later discard them if they are found to be
669 unnecessary. We store the information in a field extending the
670 regular ELF linker hash table. */
672 struct _bfd_sparc_elf_dyn_relocs
674 struct _bfd_sparc_elf_dyn_relocs
*next
;
676 /* The input section of the reloc. */
679 /* Total number of relocs copied for the input section. */
682 /* Number of pc-relative relocs copied for the input section. */
683 bfd_size_type pc_count
;
686 /* Is an undefined weak symbol resolved to 0 ?
687 Reference to an undefined weak symbol is resolved to 0 when
688 building an executable if it isn't dynamic and
689 1. Has non-GOT/non-PLT relocations in text section.
691 2. Has no GOT/PLT relocation. */
692 #define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, EH) \
693 ((EH)->elf.root.type == bfd_link_hash_undefweak \
694 && bfd_link_executable (INFO) \
695 && (_bfd_sparc_elf_hash_table (INFO)->interp == NULL \
696 || !(EH)->has_got_reloc \
697 || (EH)->has_non_got_reloc \
698 || !(INFO)->dynamic_undefined_weak))
700 /* SPARC ELF linker hash entry. */
702 struct _bfd_sparc_elf_link_hash_entry
704 struct elf_link_hash_entry elf
;
706 /* Track dynamic relocs copied for this symbol. */
707 struct _bfd_sparc_elf_dyn_relocs
*dyn_relocs
;
709 #define GOT_UNKNOWN 0
713 unsigned char tls_type
;
715 /* Symbol has GOT or PLT relocations. */
716 unsigned int has_got_reloc
: 1;
718 /* Symbol has non-GOT/non-PLT relocations in text sections. */
719 unsigned int has_non_got_reloc
: 1;
723 #define _bfd_sparc_elf_hash_entry(ent) ((struct _bfd_sparc_elf_link_hash_entry *)(ent))
725 struct _bfd_sparc_elf_obj_tdata
727 struct elf_obj_tdata root
;
729 /* tls_type for each local got entry. */
730 char *local_got_tls_type
;
732 /* TRUE if TLS GD relocs has been seen for this object. */
733 bfd_boolean has_tlsgd
;
736 #define _bfd_sparc_elf_tdata(abfd) \
737 ((struct _bfd_sparc_elf_obj_tdata *) (abfd)->tdata.any)
739 #define _bfd_sparc_elf_local_got_tls_type(abfd) \
740 (_bfd_sparc_elf_tdata (abfd)->local_got_tls_type)
742 #define is_sparc_elf(bfd) \
743 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
744 && elf_tdata (bfd) != NULL \
745 && elf_object_id (bfd) == SPARC_ELF_DATA)
748 _bfd_sparc_elf_mkobject (bfd
*abfd
)
750 return bfd_elf_allocate_object (abfd
, sizeof (struct _bfd_sparc_elf_obj_tdata
),
755 sparc_put_word_32 (bfd
*abfd
, bfd_vma val
, void *ptr
)
757 bfd_put_32 (abfd
, val
, ptr
);
761 sparc_put_word_64 (bfd
*abfd
, bfd_vma val
, void *ptr
)
763 bfd_put_64 (abfd
, val
, ptr
);
767 sparc_elf_append_rela (bfd
*abfd
, asection
*s
, Elf_Internal_Rela
*rel
)
769 const struct elf_backend_data
*bed
;
772 bed
= get_elf_backend_data (abfd
);
773 loc
= s
->contents
+ (s
->reloc_count
++ * bed
->s
->sizeof_rela
);
774 bed
->s
->swap_reloca_out (abfd
, rel
, loc
);
778 sparc_elf_r_info_64 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
779 bfd_vma rel_index ATTRIBUTE_UNUSED
,
780 bfd_vma type ATTRIBUTE_UNUSED
)
782 return ELF64_R_INFO (rel_index
,
784 ELF64_R_TYPE_INFO (ELF64_R_TYPE_DATA (in_rel
->r_info
),
789 sparc_elf_r_info_32 (Elf_Internal_Rela
*in_rel ATTRIBUTE_UNUSED
,
790 bfd_vma rel_index
, bfd_vma type
)
792 return ELF32_R_INFO (rel_index
, type
);
796 sparc_elf_r_symndx_64 (bfd_vma r_info
)
798 bfd_vma r_symndx
= ELF32_R_SYM (r_info
);
799 return (r_symndx
>> 24);
803 sparc_elf_r_symndx_32 (bfd_vma r_info
)
805 return ELF32_R_SYM (r_info
);
810 #define PLT32_ENTRY_SIZE 12
811 #define PLT32_HEADER_SIZE (4 * PLT32_ENTRY_SIZE)
813 /* The first four entries in a 32-bit procedure linkage table are reserved,
814 and the initial contents are unimportant (we zero them out).
815 Subsequent entries look like this. See the SVR4 ABI SPARC
816 supplement to see how this works. */
818 /* sethi %hi(.-.plt0),%g1. We fill in the address later. */
819 #define PLT32_ENTRY_WORD0 0x03000000
820 /* b,a .plt0. We fill in the offset later. */
821 #define PLT32_ENTRY_WORD1 0x30800000
823 #define PLT32_ENTRY_WORD2 SPARC_NOP
826 sparc32_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
827 bfd_vma max ATTRIBUTE_UNUSED
,
830 bfd_put_32 (output_bfd
,
831 PLT32_ENTRY_WORD0
+ offset
,
832 splt
->contents
+ offset
);
833 bfd_put_32 (output_bfd
,
835 + (((- (offset
+ 4)) >> 2) & 0x3fffff)),
836 splt
->contents
+ offset
+ 4);
837 bfd_put_32 (output_bfd
, (bfd_vma
) PLT32_ENTRY_WORD2
,
838 splt
->contents
+ offset
+ 8);
842 return offset
/ PLT32_ENTRY_SIZE
- 4;
845 /* Both the headers and the entries are icache aligned. */
846 #define PLT64_ENTRY_SIZE 32
847 #define PLT64_HEADER_SIZE (4 * PLT64_ENTRY_SIZE)
848 #define PLT64_LARGE_THRESHOLD 32768
851 sparc64_plt_entry_build (bfd
*output_bfd
, asection
*splt
, bfd_vma offset
,
852 bfd_vma max
, bfd_vma
*r_offset
)
854 unsigned char *entry
= splt
->contents
+ offset
;
855 const unsigned int nop
= SPARC_NOP
;
858 if (offset
< (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
860 unsigned int sethi
, ba
;
864 plt_index
= (offset
/ PLT64_ENTRY_SIZE
);
866 sethi
= 0x03000000 | (plt_index
* PLT64_ENTRY_SIZE
);
868 | (((splt
->contents
+ PLT64_ENTRY_SIZE
) - (entry
+ 4)) / 4 & 0x7ffff);
870 bfd_put_32 (output_bfd
, (bfd_vma
) sethi
, entry
);
871 bfd_put_32 (output_bfd
, (bfd_vma
) ba
, entry
+ 4);
872 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 8);
873 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 12);
874 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 16);
875 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 20);
876 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 24);
877 bfd_put_32 (output_bfd
, (bfd_vma
) nop
, entry
+ 28);
883 int block
, last_block
, ofs
, last_ofs
, chunks_this_block
;
884 const int insn_chunk_size
= (6 * 4);
885 const int ptr_chunk_size
= (1 * 8);
886 const int entries_per_block
= 160;
887 const int block_size
= entries_per_block
* (insn_chunk_size
890 /* Entries 32768 and higher are grouped into blocks of 160.
891 The blocks are further subdivided into 160 sequences of
892 6 instructions and 160 pointers. If a block does not require
893 the full 160 entries, let's say it requires N, then there
894 will be N sequences of 6 instructions and N pointers. */
896 offset
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
897 max
-= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
);
899 block
= offset
/ block_size
;
900 last_block
= max
/ block_size
;
901 if (block
!= last_block
)
903 chunks_this_block
= 160;
907 last_ofs
= max
% block_size
;
908 chunks_this_block
= last_ofs
/ (insn_chunk_size
+ ptr_chunk_size
);
911 ofs
= offset
% block_size
;
913 plt_index
= (PLT64_LARGE_THRESHOLD
+
915 (ofs
/ insn_chunk_size
));
918 + (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
919 + (block
* block_size
)
920 + (chunks_this_block
* insn_chunk_size
)
921 + (ofs
/ insn_chunk_size
) * ptr_chunk_size
;
923 *r_offset
= (bfd_vma
) (ptr
- splt
->contents
);
925 ldx
= 0xc25be000 | ((ptr
- (entry
+4)) & 0x1fff);
933 bfd_put_32 (output_bfd
, (bfd_vma
) 0x8a10000f, entry
);
934 bfd_put_32 (output_bfd
, (bfd_vma
) 0x40000002, entry
+ 4);
935 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
, entry
+ 8);
936 bfd_put_32 (output_bfd
, (bfd_vma
) ldx
, entry
+ 12);
937 bfd_put_32 (output_bfd
, (bfd_vma
) 0x83c3c001, entry
+ 16);
938 bfd_put_32 (output_bfd
, (bfd_vma
) 0x9e100005, entry
+ 20);
940 bfd_put_64 (output_bfd
, (bfd_vma
) (splt
->contents
- (entry
+ 4)), ptr
);
943 return plt_index
- 4;
946 /* The format of the first PLT entry in a VxWorks executable. */
947 static const bfd_vma sparc_vxworks_exec_plt0_entry
[] =
949 0x05000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+8), %g2 */
950 0x8410a000, /* or %g2, %lo(_GLOBAL_OFFSET_TABLE_+8), %g2 */
951 0xc4008000, /* ld [ %g2 ], %g2 */
952 0x81c08000, /* jmp %g2 */
956 /* The format of subsequent PLT entries. */
957 static const bfd_vma sparc_vxworks_exec_plt_entry
[] =
959 0x03000000, /* sethi %hi(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
960 0x82106000, /* or %g1, %lo(_GLOBAL_OFFSET_TABLE_+f@got), %g1 */
961 0xc2004000, /* ld [ %g1 ], %g1 */
962 0x81c04000, /* jmp %g1 */
963 0x01000000, /* nop */
964 0x03000000, /* sethi %hi(f@pltindex), %g1 */
965 0x10800000, /* b _PLT_resolve */
966 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
969 /* The format of the first PLT entry in a VxWorks shared object. */
970 static const bfd_vma sparc_vxworks_shared_plt0_entry
[] =
972 0xc405e008, /* ld [ %l7 + 8 ], %g2 */
973 0x81c08000, /* jmp %g2 */
977 /* The format of subsequent PLT entries. */
978 static const bfd_vma sparc_vxworks_shared_plt_entry
[] =
980 0x03000000, /* sethi %hi(f@got), %g1 */
981 0x82106000, /* or %g1, %lo(f@got), %g1 */
982 0xc205c001, /* ld [ %l7 + %g1 ], %g1 */
983 0x81c04000, /* jmp %g1 */
984 0x01000000, /* nop */
985 0x03000000, /* sethi %hi(f@pltindex), %g1 */
986 0x10800000, /* b _PLT_resolve */
987 0x82106000 /* or %g1, %lo(f@pltindex), %g1 */
990 #define SPARC_ELF_PUT_WORD(htab, bfd, val, ptr) \
991 htab->put_word(bfd, val, ptr)
993 #define SPARC_ELF_R_INFO(htab, in_rel, index, type) \
994 htab->r_info(in_rel, index, type)
996 #define SPARC_ELF_R_SYMNDX(htab, r_info) \
997 htab->r_symndx(r_info)
999 #define SPARC_ELF_WORD_BYTES(htab) \
1000 htab->bytes_per_word
1002 #define SPARC_ELF_RELA_BYTES(htab) \
1003 htab->bytes_per_rela
1005 #define SPARC_ELF_DTPOFF_RELOC(htab) \
1008 #define SPARC_ELF_DTPMOD_RELOC(htab) \
1011 #define SPARC_ELF_TPOFF_RELOC(htab) \
1014 #define SPARC_ELF_BUILD_PLT_ENTRY(htab, obfd, splt, off, max, r_off) \
1015 htab->build_plt_entry (obfd, splt, off, max, r_off)
1017 /* Create an entry in an SPARC ELF linker hash table. */
1019 static struct bfd_hash_entry
*
1020 link_hash_newfunc (struct bfd_hash_entry
*entry
,
1021 struct bfd_hash_table
*table
, const char *string
)
1023 /* Allocate the structure if it has not already been allocated by a
1027 entry
= bfd_hash_allocate (table
,
1028 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1033 /* Call the allocation method of the superclass. */
1034 entry
= _bfd_elf_link_hash_newfunc (entry
, table
, string
);
1037 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1039 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) entry
;
1040 eh
->dyn_relocs
= NULL
;
1041 eh
->tls_type
= GOT_UNKNOWN
;
1042 eh
->has_got_reloc
= 0;
1043 eh
->has_non_got_reloc
= 0;
1049 /* The name of the dynamic interpreter. This is put in the .interp
1052 #define ELF32_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1"
1053 #define ELF64_DYNAMIC_INTERPRETER "/usr/lib/sparcv9/ld.so.1"
1055 /* Compute a hash of a local hash entry. We use elf_link_hash_entry
1056 for local symbol so that we can handle local STT_GNU_IFUNC symbols
1057 as global symbol. We reuse indx and dynstr_index for local symbol
1058 hash since they aren't used by global symbols in this backend. */
1061 elf_sparc_local_htab_hash (const void *ptr
)
1063 struct elf_link_hash_entry
*h
1064 = (struct elf_link_hash_entry
*) ptr
;
1065 return ELF_LOCAL_SYMBOL_HASH (h
->indx
, h
->dynstr_index
);
1068 /* Compare local hash entries. */
1071 elf_sparc_local_htab_eq (const void *ptr1
, const void *ptr2
)
1073 struct elf_link_hash_entry
*h1
1074 = (struct elf_link_hash_entry
*) ptr1
;
1075 struct elf_link_hash_entry
*h2
1076 = (struct elf_link_hash_entry
*) ptr2
;
1078 return h1
->indx
== h2
->indx
&& h1
->dynstr_index
== h2
->dynstr_index
;
1081 /* Find and/or create a hash entry for local symbol. */
1083 static struct elf_link_hash_entry
*
1084 elf_sparc_get_local_sym_hash (struct _bfd_sparc_elf_link_hash_table
*htab
,
1085 bfd
*abfd
, const Elf_Internal_Rela
*rel
,
1088 struct _bfd_sparc_elf_link_hash_entry e
, *ret
;
1089 asection
*sec
= abfd
->sections
;
1090 unsigned long r_symndx
;
1094 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1095 h
= ELF_LOCAL_SYMBOL_HASH (sec
->id
, r_symndx
);
1097 e
.elf
.indx
= sec
->id
;
1098 e
.elf
.dynstr_index
= r_symndx
;
1099 slot
= htab_find_slot_with_hash (htab
->loc_hash_table
, &e
, h
,
1100 create
? INSERT
: NO_INSERT
);
1107 ret
= (struct _bfd_sparc_elf_link_hash_entry
*) *slot
;
1111 ret
= (struct _bfd_sparc_elf_link_hash_entry
*)
1112 objalloc_alloc ((struct objalloc
*) htab
->loc_hash_memory
,
1113 sizeof (struct _bfd_sparc_elf_link_hash_entry
));
1116 memset (ret
, 0, sizeof (*ret
));
1117 ret
->elf
.indx
= sec
->id
;
1118 ret
->elf
.dynstr_index
= r_symndx
;
1119 ret
->elf
.dynindx
= -1;
1120 ret
->elf
.plt
.offset
= (bfd_vma
) -1;
1121 ret
->elf
.got
.offset
= (bfd_vma
) -1;
1127 /* Destroy a SPARC ELF linker hash table. */
1130 _bfd_sparc_elf_link_hash_table_free (bfd
*obfd
)
1132 struct _bfd_sparc_elf_link_hash_table
*htab
1133 = (struct _bfd_sparc_elf_link_hash_table
*) obfd
->link
.hash
;
1135 if (htab
->loc_hash_table
)
1136 htab_delete (htab
->loc_hash_table
);
1137 if (htab
->loc_hash_memory
)
1138 objalloc_free ((struct objalloc
*) htab
->loc_hash_memory
);
1139 _bfd_elf_link_hash_table_free (obfd
);
1142 /* Create a SPARC ELF linker hash table. */
1144 struct bfd_link_hash_table
*
1145 _bfd_sparc_elf_link_hash_table_create (bfd
*abfd
)
1147 struct _bfd_sparc_elf_link_hash_table
*ret
;
1148 bfd_size_type amt
= sizeof (struct _bfd_sparc_elf_link_hash_table
);
1150 ret
= (struct _bfd_sparc_elf_link_hash_table
*) bfd_zmalloc (amt
);
1154 if (ABI_64_P (abfd
))
1156 ret
->put_word
= sparc_put_word_64
;
1157 ret
->r_info
= sparc_elf_r_info_64
;
1158 ret
->r_symndx
= sparc_elf_r_symndx_64
;
1159 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF64
;
1160 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD64
;
1161 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF64
;
1162 ret
->word_align_power
= 3;
1163 ret
->align_power_max
= 4;
1164 ret
->bytes_per_word
= 8;
1165 ret
->bytes_per_rela
= sizeof (Elf64_External_Rela
);
1166 ret
->dynamic_interpreter
= ELF64_DYNAMIC_INTERPRETER
;
1167 ret
->dynamic_interpreter_size
= sizeof ELF64_DYNAMIC_INTERPRETER
;
1169 ret
->build_plt_entry
= sparc64_plt_entry_build
;
1170 ret
->plt_header_size
= PLT64_HEADER_SIZE
;
1171 ret
->plt_entry_size
= PLT64_ENTRY_SIZE
;
1175 ret
->put_word
= sparc_put_word_32
;
1176 ret
->r_info
= sparc_elf_r_info_32
;
1177 ret
->r_symndx
= sparc_elf_r_symndx_32
;
1178 ret
->dtpoff_reloc
= R_SPARC_TLS_DTPOFF32
;
1179 ret
->dtpmod_reloc
= R_SPARC_TLS_DTPMOD32
;
1180 ret
->tpoff_reloc
= R_SPARC_TLS_TPOFF32
;
1181 ret
->word_align_power
= 2;
1182 ret
->align_power_max
= 3;
1183 ret
->bytes_per_word
= 4;
1184 ret
->bytes_per_rela
= sizeof (Elf32_External_Rela
);
1185 ret
->dynamic_interpreter
= ELF32_DYNAMIC_INTERPRETER
;
1186 ret
->dynamic_interpreter_size
= sizeof ELF32_DYNAMIC_INTERPRETER
;
1188 ret
->build_plt_entry
= sparc32_plt_entry_build
;
1189 ret
->plt_header_size
= PLT32_HEADER_SIZE
;
1190 ret
->plt_entry_size
= PLT32_ENTRY_SIZE
;
1193 if (!_bfd_elf_link_hash_table_init (&ret
->elf
, abfd
, link_hash_newfunc
,
1194 sizeof (struct _bfd_sparc_elf_link_hash_entry
),
1201 ret
->loc_hash_table
= htab_try_create (1024,
1202 elf_sparc_local_htab_hash
,
1203 elf_sparc_local_htab_eq
,
1205 ret
->loc_hash_memory
= objalloc_create ();
1206 if (!ret
->loc_hash_table
|| !ret
->loc_hash_memory
)
1208 _bfd_sparc_elf_link_hash_table_free (abfd
);
1211 ret
->elf
.root
.hash_table_free
= _bfd_sparc_elf_link_hash_table_free
;
1213 return &ret
->elf
.root
;
1216 /* Create .plt, .rela.plt, .got, .rela.got, .dynbss, and
1217 .rela.bss sections in DYNOBJ, and set up shortcuts to them in our
1221 _bfd_sparc_elf_create_dynamic_sections (bfd
*dynobj
,
1222 struct bfd_link_info
*info
)
1224 struct _bfd_sparc_elf_link_hash_table
*htab
;
1226 htab
= _bfd_sparc_elf_hash_table (info
);
1227 BFD_ASSERT (htab
!= NULL
);
1229 if (!_bfd_elf_create_dynamic_sections (dynobj
, info
))
1232 if (htab
->is_vxworks
)
1234 if (!elf_vxworks_create_dynamic_sections (dynobj
, info
, &htab
->srelplt2
))
1236 if (bfd_link_pic (info
))
1238 htab
->plt_header_size
1239 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
);
1240 htab
->plt_entry_size
1241 = 4 * ARRAY_SIZE (sparc_vxworks_shared_plt_entry
);
1245 htab
->plt_header_size
1246 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt0_entry
);
1247 htab
->plt_entry_size
1248 = 4 * ARRAY_SIZE (sparc_vxworks_exec_plt_entry
);
1252 if (!htab
->elf
.splt
|| !htab
->elf
.srelplt
|| !htab
->elf
.sdynbss
1253 || (!bfd_link_pic (info
) && !htab
->elf
.srelbss
))
1260 create_ifunc_sections (bfd
*abfd
, struct bfd_link_info
*info
)
1262 const struct elf_backend_data
*bed
= get_elf_backend_data (abfd
);
1263 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
1264 flagword flags
, pltflags
;
1267 if (htab
->irelifunc
!= NULL
|| htab
->iplt
!= NULL
)
1270 flags
= bed
->dynamic_sec_flags
;
1271 pltflags
= flags
| SEC_ALLOC
| SEC_CODE
| SEC_LOAD
;
1273 s
= bfd_make_section_with_flags (abfd
, ".iplt", pltflags
);
1275 || ! bfd_set_section_alignment (abfd
, s
, bed
->plt_alignment
))
1279 s
= bfd_make_section_with_flags (abfd
, ".rela.iplt",
1280 flags
| SEC_READONLY
);
1282 || ! bfd_set_section_alignment (abfd
, s
,
1283 bed
->s
->log_file_align
))
1290 /* Copy the extra info we tack onto an elf_link_hash_entry. */
1293 _bfd_sparc_elf_copy_indirect_symbol (struct bfd_link_info
*info
,
1294 struct elf_link_hash_entry
*dir
,
1295 struct elf_link_hash_entry
*ind
)
1297 struct _bfd_sparc_elf_link_hash_entry
*edir
, *eind
;
1299 edir
= (struct _bfd_sparc_elf_link_hash_entry
*) dir
;
1300 eind
= (struct _bfd_sparc_elf_link_hash_entry
*) ind
;
1302 if (eind
->dyn_relocs
!= NULL
)
1304 if (edir
->dyn_relocs
!= NULL
)
1306 struct _bfd_sparc_elf_dyn_relocs
**pp
;
1307 struct _bfd_sparc_elf_dyn_relocs
*p
;
1309 /* Add reloc counts against the indirect sym to the direct sym
1310 list. Merge any entries against the same section. */
1311 for (pp
= &eind
->dyn_relocs
; (p
= *pp
) != NULL
; )
1313 struct _bfd_sparc_elf_dyn_relocs
*q
;
1315 for (q
= edir
->dyn_relocs
; q
!= NULL
; q
= q
->next
)
1316 if (q
->sec
== p
->sec
)
1318 q
->pc_count
+= p
->pc_count
;
1319 q
->count
+= p
->count
;
1326 *pp
= edir
->dyn_relocs
;
1329 edir
->dyn_relocs
= eind
->dyn_relocs
;
1330 eind
->dyn_relocs
= NULL
;
1333 if (ind
->root
.type
== bfd_link_hash_indirect
1334 && dir
->got
.refcount
<= 0)
1336 edir
->tls_type
= eind
->tls_type
;
1337 eind
->tls_type
= GOT_UNKNOWN
;
1340 /* Copy has_got_reloc and has_non_got_reloc. */
1341 edir
->has_got_reloc
|= eind
->has_got_reloc
;
1342 edir
->has_non_got_reloc
|= eind
->has_non_got_reloc
;
1344 _bfd_elf_link_hash_copy_indirect (info
, dir
, ind
);
1348 sparc_elf_tls_transition (struct bfd_link_info
*info
, bfd
*abfd
,
1349 int r_type
, int is_local
)
1351 if (! ABI_64_P (abfd
)
1352 && r_type
== R_SPARC_TLS_GD_HI22
1353 && ! _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
)
1354 r_type
= R_SPARC_REV32
;
1356 if (!bfd_link_executable (info
))
1361 case R_SPARC_TLS_GD_HI22
:
1363 return R_SPARC_TLS_LE_HIX22
;
1364 return R_SPARC_TLS_IE_HI22
;
1365 case R_SPARC_TLS_GD_LO10
:
1367 return R_SPARC_TLS_LE_LOX10
;
1368 return R_SPARC_TLS_IE_LO10
;
1369 case R_SPARC_TLS_IE_HI22
:
1371 return R_SPARC_TLS_LE_HIX22
;
1373 case R_SPARC_TLS_IE_LO10
:
1375 return R_SPARC_TLS_LE_LOX10
;
1377 case R_SPARC_TLS_LDM_HI22
:
1378 return R_SPARC_TLS_LE_HIX22
;
1379 case R_SPARC_TLS_LDM_LO10
:
1380 return R_SPARC_TLS_LE_LOX10
;
1386 /* Look through the relocs for a section during the first phase, and
1387 allocate space in the global offset table or procedure linkage
1391 _bfd_sparc_elf_check_relocs (bfd
*abfd
, struct bfd_link_info
*info
,
1392 asection
*sec
, const Elf_Internal_Rela
*relocs
)
1394 struct _bfd_sparc_elf_link_hash_table
*htab
;
1395 Elf_Internal_Shdr
*symtab_hdr
;
1396 struct elf_link_hash_entry
**sym_hashes
;
1397 const Elf_Internal_Rela
*rel
;
1398 const Elf_Internal_Rela
*rel_end
;
1401 bfd_boolean checked_tlsgd
= FALSE
;
1403 if (bfd_link_relocatable (info
))
1406 htab
= _bfd_sparc_elf_hash_table (info
);
1407 BFD_ASSERT (htab
!= NULL
);
1408 symtab_hdr
= &elf_symtab_hdr (abfd
);
1409 sym_hashes
= elf_sym_hashes (abfd
);
1413 if (ABI_64_P (abfd
))
1414 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (sec
));
1416 num_relocs
= sec
->reloc_count
;
1418 BFD_ASSERT (is_sparc_elf (abfd
) || num_relocs
== 0);
1420 if (htab
->elf
.dynobj
== NULL
)
1421 htab
->elf
.dynobj
= abfd
;
1422 if (!create_ifunc_sections (htab
->elf
.dynobj
, info
))
1425 rel_end
= relocs
+ num_relocs
;
1426 for (rel
= relocs
; rel
< rel_end
; rel
++)
1428 unsigned int r_type
;
1429 unsigned int r_symndx
;
1430 struct elf_link_hash_entry
*h
;
1431 struct _bfd_sparc_elf_link_hash_entry
*eh
;
1432 Elf_Internal_Sym
*isym
;
1434 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
1435 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1437 if (r_symndx
>= NUM_SHDR_ENTRIES (symtab_hdr
))
1439 /* xgettext:c-format */
1440 _bfd_error_handler (_("%B: bad symbol index: %d"), abfd
, r_symndx
);
1445 if (r_symndx
< symtab_hdr
->sh_info
)
1447 /* A local symbol. */
1448 isym
= bfd_sym_from_r_symndx (&htab
->sym_cache
,
1453 /* Check relocation against local STT_GNU_IFUNC symbol. */
1454 if (ELF_ST_TYPE (isym
->st_info
) == STT_GNU_IFUNC
)
1456 h
= elf_sparc_get_local_sym_hash (htab
, abfd
, rel
,
1461 /* Fake a STT_GNU_IFUNC symbol. */
1462 h
->type
= STT_GNU_IFUNC
;
1465 h
->forced_local
= 1;
1466 h
->root
.type
= bfd_link_hash_defined
;
1473 h
= sym_hashes
[r_symndx
- symtab_hdr
->sh_info
];
1474 while (h
->root
.type
== bfd_link_hash_indirect
1475 || h
->root
.type
== bfd_link_hash_warning
)
1476 h
= (struct elf_link_hash_entry
*) h
->root
.u
.i
.link
;
1479 if (h
&& h
->type
== STT_GNU_IFUNC
)
1484 h
->plt
.refcount
+= 1;
1488 /* Compatibility with old R_SPARC_REV32 reloc conflicting
1489 with R_SPARC_TLS_GD_HI22. */
1490 if (! ABI_64_P (abfd
) && ! checked_tlsgd
)
1493 case R_SPARC_TLS_GD_HI22
:
1495 const Elf_Internal_Rela
*relt
;
1497 for (relt
= rel
+ 1; relt
< rel_end
; relt
++)
1498 if (ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_LO10
1499 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_ADD
1500 || ELF32_R_TYPE (relt
->r_info
) == R_SPARC_TLS_GD_CALL
)
1502 checked_tlsgd
= TRUE
;
1503 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= relt
< rel_end
;
1506 case R_SPARC_TLS_GD_LO10
:
1507 case R_SPARC_TLS_GD_ADD
:
1508 case R_SPARC_TLS_GD_CALL
:
1509 checked_tlsgd
= TRUE
;
1510 _bfd_sparc_elf_tdata (abfd
)->has_tlsgd
= TRUE
;
1514 r_type
= sparc_elf_tls_transition (info
, abfd
, r_type
, h
== NULL
);
1515 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1519 case R_SPARC_TLS_LDM_HI22
:
1520 case R_SPARC_TLS_LDM_LO10
:
1521 htab
->tls_ldm_got
.refcount
+= 1;
1523 eh
->has_got_reloc
= 1;
1526 case R_SPARC_TLS_LE_HIX22
:
1527 case R_SPARC_TLS_LE_LOX10
:
1528 if (!bfd_link_executable (info
))
1532 case R_SPARC_TLS_IE_HI22
:
1533 case R_SPARC_TLS_IE_LO10
:
1534 if (!bfd_link_executable (info
))
1535 info
->flags
|= DF_STATIC_TLS
;
1541 case R_SPARC_GOTDATA_HIX22
:
1542 case R_SPARC_GOTDATA_LOX10
:
1543 case R_SPARC_GOTDATA_OP_HIX22
:
1544 case R_SPARC_GOTDATA_OP_LOX10
:
1545 case R_SPARC_TLS_GD_HI22
:
1546 case R_SPARC_TLS_GD_LO10
:
1547 /* This symbol requires a global offset table entry. */
1549 int tls_type
, old_tls_type
;
1557 case R_SPARC_GOTDATA_OP_HIX22
:
1558 case R_SPARC_GOTDATA_OP_LOX10
:
1559 tls_type
= GOT_NORMAL
;
1561 case R_SPARC_TLS_GD_HI22
:
1562 case R_SPARC_TLS_GD_LO10
:
1563 tls_type
= GOT_TLS_GD
;
1565 case R_SPARC_TLS_IE_HI22
:
1566 case R_SPARC_TLS_IE_LO10
:
1567 tls_type
= GOT_TLS_IE
;
1573 h
->got
.refcount
+= 1;
1574 old_tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
1578 bfd_signed_vma
*local_got_refcounts
;
1580 /* This is a global offset table entry for a local symbol. */
1581 local_got_refcounts
= elf_local_got_refcounts (abfd
);
1582 if (local_got_refcounts
== NULL
)
1586 size
= symtab_hdr
->sh_info
;
1587 size
*= (sizeof (bfd_signed_vma
) + sizeof(char));
1588 local_got_refcounts
= ((bfd_signed_vma
*)
1589 bfd_zalloc (abfd
, size
));
1590 if (local_got_refcounts
== NULL
)
1592 elf_local_got_refcounts (abfd
) = local_got_refcounts
;
1593 _bfd_sparc_elf_local_got_tls_type (abfd
)
1594 = (char *) (local_got_refcounts
+ symtab_hdr
->sh_info
);
1598 case R_SPARC_GOTDATA_OP_HIX22
:
1599 case R_SPARC_GOTDATA_OP_LOX10
:
1603 local_got_refcounts
[r_symndx
] += 1;
1606 old_tls_type
= _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
];
1609 /* If a TLS symbol is accessed using IE at least once,
1610 there is no point to use dynamic model for it. */
1611 if (old_tls_type
!= tls_type
&& old_tls_type
!= GOT_UNKNOWN
1612 && (old_tls_type
!= GOT_TLS_GD
1613 || tls_type
!= GOT_TLS_IE
))
1615 if (old_tls_type
== GOT_TLS_IE
&& tls_type
== GOT_TLS_GD
)
1616 tls_type
= old_tls_type
;
1620 /* xgettext:c-format */
1621 (_("%B: `%s' accessed both as normal and thread local symbol"),
1622 abfd
, h
? h
->root
.root
.string
: "<local>");
1627 if (old_tls_type
!= tls_type
)
1630 _bfd_sparc_elf_hash_entry (h
)->tls_type
= tls_type
;
1632 _bfd_sparc_elf_local_got_tls_type (abfd
) [r_symndx
] = tls_type
;
1636 if (htab
->elf
.sgot
== NULL
)
1638 if (!_bfd_elf_create_got_section (htab
->elf
.dynobj
, info
))
1643 eh
->has_got_reloc
= 1;
1646 case R_SPARC_TLS_GD_CALL
:
1647 case R_SPARC_TLS_LDM_CALL
:
1648 if (!bfd_link_executable (info
))
1650 /* These are basically R_SPARC_TLS_WPLT30 relocs against
1652 struct bfd_link_hash_entry
*bh
= NULL
;
1653 if (! _bfd_generic_link_add_one_symbol (info
, abfd
,
1654 "__tls_get_addr", 0,
1655 bfd_und_section_ptr
, 0,
1659 h
= (struct elf_link_hash_entry
*) bh
;
1666 case R_SPARC_WPLT30
:
1667 case R_SPARC_HIPLT22
:
1668 case R_SPARC_LOPLT10
:
1669 case R_SPARC_PCPLT32
:
1670 case R_SPARC_PCPLT22
:
1671 case R_SPARC_PCPLT10
:
1673 /* This symbol requires a procedure linkage table entry. We
1674 actually build the entry in adjust_dynamic_symbol,
1675 because this might be a case of linking PIC code without
1676 linking in any dynamic objects, in which case we don't
1677 need to generate a procedure linkage table after all. */
1681 if (! ABI_64_P (abfd
))
1683 /* The Solaris native assembler will generate a WPLT30
1684 reloc for a local symbol if you assemble a call from
1685 one section to another when using -K pic. We treat
1687 if (ELF32_R_TYPE (rel
->r_info
) == R_SPARC_PLT32
)
1691 /* PR 7027: We need similar behaviour for 64-bit binaries. */
1692 else if (r_type
== R_SPARC_WPLT30
)
1695 /* It does not make sense to have a procedure linkage
1696 table entry for a local symbol. */
1697 bfd_set_error (bfd_error_bad_value
);
1706 this_r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
1707 if (this_r_type
== R_SPARC_PLT32
1708 || this_r_type
== R_SPARC_PLT64
)
1711 h
->plt
.refcount
+= 1;
1713 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
1714 eh
->has_got_reloc
= 1;
1719 case R_SPARC_PC_HH22
:
1720 case R_SPARC_PC_HM10
:
1721 case R_SPARC_PC_LM22
:
1726 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
1731 case R_SPARC_DISP16
:
1732 case R_SPARC_DISP32
:
1733 case R_SPARC_DISP64
:
1734 case R_SPARC_WDISP30
:
1735 case R_SPARC_WDISP22
:
1736 case R_SPARC_WDISP19
:
1737 case R_SPARC_WDISP16
:
1738 case R_SPARC_WDISP10
:
1768 if (eh
!= NULL
&& (sec
->flags
& SEC_CODE
) != 0)
1769 eh
->has_non_got_reloc
= 1;
1772 if (h
!= NULL
&& !bfd_link_pic (info
))
1774 /* We may need a .plt entry if the function this reloc
1775 refers to is in a shared lib. */
1776 h
->plt
.refcount
+= 1;
1779 /* If we are creating a shared library, and this is a reloc
1780 against a global symbol, or a non PC relative reloc
1781 against a local symbol, then we need to copy the reloc
1782 into the shared library. However, if we are linking with
1783 -Bsymbolic, we do not need to copy a reloc against a
1784 global symbol which is defined in an object we are
1785 including in the link (i.e., DEF_REGULAR is set). At
1786 this point we have not seen all the input files, so it is
1787 possible that DEF_REGULAR is not set now but will be set
1788 later (it is never cleared). In case of a weak definition,
1789 DEF_REGULAR may be cleared later by a strong definition in
1790 a shared library. We account for that possibility below by
1791 storing information in the relocs_copied field of the hash
1792 table entry. A similar situation occurs when creating
1793 shared libraries and symbol visibility changes render the
1796 If on the other hand, we are creating an executable, we
1797 may need to keep relocations for symbols satisfied by a
1798 dynamic library if we manage to avoid copy relocs for the
1800 if ((bfd_link_pic (info
)
1801 && (sec
->flags
& SEC_ALLOC
) != 0
1802 && (! _bfd_sparc_elf_howto_table
[r_type
].pc_relative
1804 && (! SYMBOLIC_BIND (info
, h
)
1805 || h
->root
.type
== bfd_link_hash_defweak
1806 || !h
->def_regular
))))
1807 || (!bfd_link_pic (info
)
1808 && (sec
->flags
& SEC_ALLOC
) != 0
1810 && (h
->root
.type
== bfd_link_hash_defweak
1811 || !h
->def_regular
))
1812 || (!bfd_link_pic (info
)
1814 && h
->type
== STT_GNU_IFUNC
))
1816 struct _bfd_sparc_elf_dyn_relocs
*p
;
1817 struct _bfd_sparc_elf_dyn_relocs
**head
;
1819 /* When creating a shared object, we must copy these
1820 relocs into the output file. We create a reloc
1821 section in dynobj and make room for the reloc. */
1824 sreloc
= _bfd_elf_make_dynamic_reloc_section
1825 (sec
, htab
->elf
.dynobj
, htab
->word_align_power
,
1826 abfd
, /*rela?*/ TRUE
);
1832 /* If this is a global symbol, we count the number of
1833 relocations we need for this symbol. */
1835 head
= &((struct _bfd_sparc_elf_link_hash_entry
*) h
)->dyn_relocs
;
1838 /* Track dynamic relocs needed for local syms too.
1839 We really need local syms available to do this
1844 BFD_ASSERT (isym
!= NULL
);
1845 s
= bfd_section_from_elf_index (abfd
, isym
->st_shndx
);
1849 vpp
= &elf_section_data (s
)->local_dynrel
;
1850 head
= (struct _bfd_sparc_elf_dyn_relocs
**) vpp
;
1854 if (p
== NULL
|| p
->sec
!= sec
)
1856 bfd_size_type amt
= sizeof *p
;
1857 p
= ((struct _bfd_sparc_elf_dyn_relocs
*)
1858 bfd_alloc (htab
->elf
.dynobj
, amt
));
1869 if (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
)
1875 case R_SPARC_GNU_VTINHERIT
:
1876 if (!bfd_elf_gc_record_vtinherit (abfd
, sec
, h
, rel
->r_offset
))
1880 case R_SPARC_GNU_VTENTRY
:
1881 BFD_ASSERT (h
!= NULL
);
1883 && !bfd_elf_gc_record_vtentry (abfd
, sec
, h
, rel
->r_addend
))
1887 case R_SPARC_REGISTER
:
1888 /* Nothing to do. */
1900 _bfd_sparc_elf_gc_mark_hook (asection
*sec
,
1901 struct bfd_link_info
*info
,
1902 Elf_Internal_Rela
*rel
,
1903 struct elf_link_hash_entry
*h
,
1904 Elf_Internal_Sym
*sym
)
1907 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1909 case R_SPARC_GNU_VTINHERIT
:
1910 case R_SPARC_GNU_VTENTRY
:
1914 /* FIXME: The test here, in check_relocs and in relocate_section
1915 dealing with TLS optimization, ought to be !bfd_link_executable (info). */
1916 if (bfd_link_pic (info
))
1918 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
1920 case R_SPARC_TLS_GD_CALL
:
1921 case R_SPARC_TLS_LDM_CALL
:
1922 /* This reloc implicitly references __tls_get_addr. We know
1923 another reloc will reference the same symbol as the one
1924 on this reloc, so the real symbol and section will be
1925 gc marked when processing the other reloc. That lets
1926 us handle __tls_get_addr here. */
1927 h
= elf_link_hash_lookup (elf_hash_table (info
), "__tls_get_addr",
1928 FALSE
, FALSE
, TRUE
);
1929 BFD_ASSERT (h
!= NULL
);
1931 if (h
->is_weakalias
)
1932 weakdef (h
)->mark
= 1;
1937 return _bfd_elf_gc_mark_hook (sec
, info
, rel
, h
, sym
);
1940 static Elf_Internal_Rela
*
1941 sparc_elf_find_reloc_at_ofs (Elf_Internal_Rela
*rel
,
1942 Elf_Internal_Rela
*relend
,
1945 while (rel
< relend
)
1947 if (rel
->r_offset
== offset
)
1954 /* Remove undefined weak symbol from the dynamic symbol table if it
1955 is resolved to 0. */
1958 _bfd_sparc_elf_fixup_symbol (struct bfd_link_info
*info
,
1959 struct elf_link_hash_entry
*h
)
1961 if (h
->dynindx
!= -1
1962 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
,
1963 _bfd_sparc_elf_hash_entry (h
)))
1966 _bfd_elf_strtab_delref (elf_hash_table (info
)->dynstr
,
1972 /* Adjust a symbol defined by a dynamic object and referenced by a
1973 regular object. The current definition is in some section of the
1974 dynamic object, but we're not including those sections. We have to
1975 change the definition to something the rest of the link can
1979 _bfd_sparc_elf_adjust_dynamic_symbol (struct bfd_link_info
*info
,
1980 struct elf_link_hash_entry
*h
)
1982 struct _bfd_sparc_elf_link_hash_table
*htab
;
1983 struct _bfd_sparc_elf_link_hash_entry
* eh
;
1984 struct _bfd_sparc_elf_dyn_relocs
*p
;
1987 htab
= _bfd_sparc_elf_hash_table (info
);
1988 BFD_ASSERT (htab
!= NULL
);
1990 /* Make sure we know what is going on here. */
1991 BFD_ASSERT (htab
->elf
.dynobj
!= NULL
1993 || h
->type
== STT_GNU_IFUNC
1997 && !h
->def_regular
)));
1999 /* If this is a function, put it in the procedure linkage table. We
2000 will fill in the contents of the procedure linkage table later
2001 (although we could actually do it here). The STT_NOTYPE
2002 condition is a hack specifically for the Oracle libraries
2003 delivered for Solaris; for some inexplicable reason, they define
2004 some of their functions as STT_NOTYPE when they really should be
2006 if (h
->type
== STT_FUNC
2007 || h
->type
== STT_GNU_IFUNC
2009 || (h
->type
== STT_NOTYPE
2010 && (h
->root
.type
== bfd_link_hash_defined
2011 || h
->root
.type
== bfd_link_hash_defweak
)
2012 && (h
->root
.u
.def
.section
->flags
& SEC_CODE
) != 0))
2014 if (h
->plt
.refcount
<= 0
2015 || (h
->type
!= STT_GNU_IFUNC
2016 && (SYMBOL_CALLS_LOCAL (info
, h
)
2017 || (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2018 && h
->root
.type
== bfd_link_hash_undefweak
))))
2020 /* This case can occur if we saw a WPLT30 reloc in an input
2021 file, but the symbol was never referred to by a dynamic
2022 object, or if all references were garbage collected. In
2023 such a case, we don't actually need to build a procedure
2024 linkage table, and we can just do a WDISP30 reloc instead. */
2025 h
->plt
.offset
= (bfd_vma
) -1;
2032 h
->plt
.offset
= (bfd_vma
) -1;
2034 /* If this is a weak symbol, and there is a real definition, the
2035 processor independent code will have arranged for us to see the
2036 real definition first, and we can just use the same value. */
2037 if (h
->is_weakalias
)
2039 struct elf_link_hash_entry
*def
= weakdef (h
);
2040 BFD_ASSERT (def
->root
.type
== bfd_link_hash_defined
);
2041 h
->root
.u
.def
.section
= def
->root
.u
.def
.section
;
2042 h
->root
.u
.def
.value
= def
->root
.u
.def
.value
;
2046 /* This is a reference to a symbol defined by a dynamic object which
2047 is not a function. */
2049 /* If we are creating a shared library, we must presume that the
2050 only references to the symbol are via the global offset table.
2051 For such cases we need not do anything here; the relocations will
2052 be handled correctly by relocate_section. */
2053 if (bfd_link_pic (info
))
2056 /* If there are no references to this symbol that do not use the
2057 GOT, we don't need to generate a copy reloc. */
2058 if (!h
->non_got_ref
)
2061 /* If -z nocopyreloc was given, we won't generate them either. */
2062 if (info
->nocopyreloc
)
2068 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2069 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2071 s
= p
->sec
->output_section
;
2072 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
2076 /* If we didn't find any dynamic relocs in read-only sections, then
2077 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
2084 /* We must allocate the symbol in our .dynbss section, which will
2085 become part of the .bss section of the executable. There will be
2086 an entry for this symbol in the .dynsym section. The dynamic
2087 object will contain position independent code, so all references
2088 from the dynamic object to this symbol will go through the global
2089 offset table. The dynamic linker will use the .dynsym entry to
2090 determine the address it must put in the global offset table, so
2091 both the dynamic object and the regular object will refer to the
2092 same memory location for the variable. */
2094 /* We must generate a R_SPARC_COPY reloc to tell the dynamic linker
2095 to copy the initial value out of the dynamic object and into the
2096 runtime process image. We need to remember the offset into the
2097 .rel.bss section we are going to use. */
2098 if ((h
->root
.u
.def
.section
->flags
& SEC_READONLY
) != 0)
2100 s
= htab
->elf
.sdynrelro
;
2101 srel
= htab
->elf
.sreldynrelro
;
2105 s
= htab
->elf
.sdynbss
;
2106 srel
= htab
->elf
.srelbss
;
2108 if ((h
->root
.u
.def
.section
->flags
& SEC_ALLOC
) != 0 && h
->size
!= 0)
2110 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2114 return _bfd_elf_adjust_dynamic_copy (info
, h
, s
);
2117 /* Allocate space in .plt, .got and associated reloc sections for
2121 allocate_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2123 struct bfd_link_info
*info
;
2124 struct _bfd_sparc_elf_link_hash_table
*htab
;
2125 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2126 struct _bfd_sparc_elf_dyn_relocs
*p
;
2127 bfd_boolean resolved_to_zero
;
2129 if (h
->root
.type
== bfd_link_hash_indirect
)
2132 info
= (struct bfd_link_info
*) inf
;
2133 htab
= _bfd_sparc_elf_hash_table (info
);
2134 BFD_ASSERT (htab
!= NULL
);
2136 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2137 resolved_to_zero
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
2139 if ((htab
->elf
.dynamic_sections_created
2140 && h
->plt
.refcount
> 0)
2141 || (h
->type
== STT_GNU_IFUNC
2145 /* Make sure this symbol is output as a dynamic symbol.
2146 Undefined weak syms won't yet be marked as dynamic. */
2147 if (h
->dynindx
== -1
2149 && !resolved_to_zero
2150 && h
->root
.type
== bfd_link_hash_undefweak
)
2152 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2156 if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info
), h
)
2157 || (h
->type
== STT_GNU_IFUNC
2160 asection
*s
= htab
->elf
.splt
;
2165 /* Allocate room for the header. */
2168 s
->size
= htab
->plt_header_size
;
2170 /* Allocate space for the .rela.plt.unloaded relocations. */
2171 if (htab
->is_vxworks
&& !bfd_link_pic (info
))
2172 htab
->srelplt2
->size
= sizeof (Elf32_External_Rela
) * 2;
2175 /* The procedure linkage table size is bounded by the magnitude
2176 of the offset we can describe in the entry. */
2177 if (s
->size
>= (SPARC_ELF_WORD_BYTES(htab
) == 8 ?
2178 (((bfd_vma
)1 << 31) << 1) : 0x400000))
2180 bfd_set_error (bfd_error_bad_value
);
2184 if (SPARC_ELF_WORD_BYTES(htab
) == 8
2185 && s
->size
>= PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
)
2187 bfd_vma off
= s
->size
- PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
;
2190 off
= (off
% (160 * PLT64_ENTRY_SIZE
)) / PLT64_ENTRY_SIZE
;
2192 h
->plt
.offset
= (s
->size
- (off
* 8));
2195 h
->plt
.offset
= s
->size
;
2197 /* If this symbol is not defined in a regular file, and we are
2198 not generating a shared library, then set the symbol to this
2199 location in the .plt. This is required to make function
2200 pointers compare as equal between the normal executable and
2201 the shared library. */
2202 if (! bfd_link_pic (info
)
2205 h
->root
.u
.def
.section
= s
;
2206 h
->root
.u
.def
.value
= h
->plt
.offset
;
2209 /* Make room for this entry. */
2210 s
->size
+= htab
->plt_entry_size
;
2212 /* There should be no PLT relocations against resolved undefined
2213 weak symbols in the executable. */
2214 if (!resolved_to_zero
)
2216 /* We also need to make an entry in the .rela.plt section. */
2217 if (s
== htab
->elf
.splt
)
2218 htab
->elf
.srelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2220 htab
->elf
.irelplt
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2223 if (htab
->is_vxworks
)
2225 /* Allocate space for the .got.plt entry. */
2226 htab
->elf
.sgotplt
->size
+= 4;
2228 /* ...and for the .rela.plt.unloaded relocations. */
2229 if (!bfd_link_pic (info
))
2230 htab
->srelplt2
->size
+= sizeof (Elf32_External_Rela
) * 3;
2235 h
->plt
.offset
= (bfd_vma
) -1;
2241 h
->plt
.offset
= (bfd_vma
) -1;
2245 /* If R_SPARC_TLS_IE_{HI22,LO10} symbol is now local to the binary,
2246 make it a R_SPARC_TLS_LE_{HI22,LO10} requiring no TLS entry. */
2247 if (h
->got
.refcount
> 0
2248 && bfd_link_executable (info
)
2250 && _bfd_sparc_elf_hash_entry(h
)->tls_type
== GOT_TLS_IE
)
2251 h
->got
.offset
= (bfd_vma
) -1;
2252 else if (h
->got
.refcount
> 0)
2256 int tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
2258 /* Make sure this symbol is output as a dynamic symbol.
2259 Undefined weak syms won't yet be marked as dynamic. */
2260 if (h
->dynindx
== -1
2262 && !resolved_to_zero
2263 && h
->root
.type
== bfd_link_hash_undefweak
)
2265 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2270 h
->got
.offset
= s
->size
;
2271 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2272 /* R_SPARC_TLS_GD_HI{22,LO10} needs 2 consecutive GOT slots. */
2273 if (tls_type
== GOT_TLS_GD
)
2274 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2275 dyn
= htab
->elf
.dynamic_sections_created
;
2276 /* R_SPARC_TLS_IE_{HI22,LO10} needs one dynamic relocation,
2277 R_SPARC_TLS_GD_{HI22,LO10} needs one if local symbol and two if
2278 global. No dynamic relocations are needed against resolved
2279 undefined weak symbols in an executable. */
2280 if ((tls_type
== GOT_TLS_GD
&& h
->dynindx
== -1)
2281 || tls_type
== GOT_TLS_IE
2282 || h
->type
== STT_GNU_IFUNC
)
2283 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2284 else if (tls_type
== GOT_TLS_GD
)
2285 htab
->elf
.srelgot
->size
+= 2 * SPARC_ELF_RELA_BYTES (htab
);
2286 else if (((ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
2287 && !resolved_to_zero
)
2288 || h
->root
.type
!= bfd_link_hash_undefweak
)
2289 && WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
2290 bfd_link_pic (info
),
2292 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2295 h
->got
.offset
= (bfd_vma
) -1;
2297 if (eh
->dyn_relocs
== NULL
)
2300 /* In the shared -Bsymbolic case, discard space allocated for
2301 dynamic pc-relative relocs against symbols which turn out to be
2302 defined in regular objects. For the normal shared case, discard
2303 space for pc-relative relocs that have become local due to symbol
2304 visibility changes. */
2306 if (bfd_link_pic (info
))
2308 if (SYMBOL_CALLS_LOCAL (info
, h
))
2310 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2312 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2314 p
->count
-= p
->pc_count
;
2323 if (htab
->is_vxworks
)
2325 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2327 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
; )
2329 if (strcmp (p
->sec
->output_section
->name
, ".tls_vars") == 0)
2336 /* Also discard relocs on undefined weak syms with non-default
2337 visibility or in PIE. */
2338 if (eh
->dyn_relocs
!= NULL
2339 && h
->root
.type
== bfd_link_hash_undefweak
)
2341 /* An undefined weak symbol is never
2342 bound locally in a shared library. */
2344 if (ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
2345 || resolved_to_zero
)
2349 /* Keep dynamic non-GOT/non-PLT relocation so that we
2350 can branch to 0 without PLT. */
2351 struct _bfd_sparc_elf_dyn_relocs
**pp
;
2353 for (pp
= &eh
->dyn_relocs
; (p
= *pp
) != NULL
;)
2354 if (p
->pc_count
== 0)
2358 /* Remove other relocations. */
2359 p
->count
= p
->pc_count
;
2363 if (eh
->dyn_relocs
!= NULL
)
2365 /* Make sure undefined weak symbols are output
2366 as dynamic symbols in PIEs for dynamic non-GOT
2367 non-PLT reloations. */
2368 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2373 eh
->dyn_relocs
= NULL
;
2376 /* Make sure undefined weak symbols are output as a dynamic
2378 else if (h
->dynindx
== -1
2379 && !h
->forced_local
)
2381 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2388 /* For the non-shared case, discard space for relocs against
2389 symbols which turn out to need copy relocs or are not
2392 if ((!h
->non_got_ref
2393 || (h
->root
.type
== bfd_link_hash_undefweak
2394 && !resolved_to_zero
))
2397 || (htab
->elf
.dynamic_sections_created
2398 && (h
->root
.type
== bfd_link_hash_undefweak
2399 || h
->root
.type
== bfd_link_hash_undefined
))))
2401 /* Make sure this symbol is output as a dynamic symbol.
2402 Undefined weak syms won't yet be marked as dynamic. */
2403 if (h
->dynindx
== -1
2405 && !resolved_to_zero
2406 && h
->root
.type
== bfd_link_hash_undefweak
)
2408 if (! bfd_elf_link_record_dynamic_symbol (info
, h
))
2412 /* If that succeeded, we know we'll be keeping all the
2414 if (h
->dynindx
!= -1)
2418 eh
->dyn_relocs
= NULL
;
2423 /* Finally, allocate space. */
2424 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2426 asection
*sreloc
= elf_section_data (p
->sec
)->sreloc
;
2427 sreloc
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2433 /* Allocate space in .plt, .got and associated reloc sections for
2434 local dynamic relocs. */
2437 allocate_local_dynrelocs (void **slot
, void *inf
)
2439 struct elf_link_hash_entry
*h
2440 = (struct elf_link_hash_entry
*) *slot
;
2442 if (h
->type
!= STT_GNU_IFUNC
2446 || h
->root
.type
!= bfd_link_hash_defined
)
2449 return allocate_dynrelocs (h
, inf
);
2452 /* Find any dynamic relocs that apply to read-only sections. */
2455 readonly_dynrelocs (struct elf_link_hash_entry
*h
, void * inf
)
2457 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2458 struct _bfd_sparc_elf_dyn_relocs
*p
;
2460 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
2461 for (p
= eh
->dyn_relocs
; p
!= NULL
; p
= p
->next
)
2463 asection
*s
= p
->sec
->output_section
;
2465 if (s
!= NULL
&& (s
->flags
& SEC_READONLY
) != 0)
2467 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
2469 info
->flags
|= DF_TEXTREL
;
2471 info
->callbacks
->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2472 p
->sec
->owner
, p
->sec
);
2474 /* Not an error, just cut short the traversal. */
2481 /* Return true if the dynamic symbol for a given section should be
2482 omitted when creating a shared library. */
2485 _bfd_sparc_elf_omit_section_dynsym (bfd
*output_bfd
,
2486 struct bfd_link_info
*info
,
2489 /* We keep the .got section symbol so that explicit relocations
2490 against the _GLOBAL_OFFSET_TABLE_ symbol emitted in PIC mode
2491 can be turned into relocations against the .got symbol. */
2492 if (strcmp (p
->name
, ".got") == 0)
2495 return _bfd_elf_link_omit_section_dynsym (output_bfd
, info
, p
);
2498 /* Set the sizes of the dynamic sections. */
2501 _bfd_sparc_elf_size_dynamic_sections (bfd
*output_bfd
,
2502 struct bfd_link_info
*info
)
2504 struct _bfd_sparc_elf_link_hash_table
*htab
;
2509 htab
= _bfd_sparc_elf_hash_table (info
);
2510 BFD_ASSERT (htab
!= NULL
);
2511 dynobj
= htab
->elf
.dynobj
;
2512 BFD_ASSERT (dynobj
!= NULL
);
2514 if (elf_hash_table (info
)->dynamic_sections_created
)
2516 /* Set the contents of the .interp section to the interpreter. */
2517 if (bfd_link_executable (info
) && !info
->nointerp
)
2519 s
= bfd_get_linker_section (dynobj
, ".interp");
2520 BFD_ASSERT (s
!= NULL
);
2521 s
->size
= htab
->dynamic_interpreter_size
;
2522 s
->contents
= (unsigned char *) htab
->dynamic_interpreter
;
2527 /* Set up .got offsets for local syms, and space for local dynamic
2529 for (ibfd
= info
->input_bfds
; ibfd
!= NULL
; ibfd
= ibfd
->link
.next
)
2531 bfd_signed_vma
*local_got
;
2532 bfd_signed_vma
*end_local_got
;
2533 char *local_tls_type
;
2534 bfd_size_type locsymcount
;
2535 Elf_Internal_Shdr
*symtab_hdr
;
2538 if (! is_sparc_elf (ibfd
))
2541 for (s
= ibfd
->sections
; s
!= NULL
; s
= s
->next
)
2543 struct _bfd_sparc_elf_dyn_relocs
*p
;
2545 for (p
= elf_section_data (s
)->local_dynrel
; p
!= NULL
; p
= p
->next
)
2547 if (!bfd_is_abs_section (p
->sec
)
2548 && bfd_is_abs_section (p
->sec
->output_section
))
2550 /* Input section has been discarded, either because
2551 it is a copy of a linkonce section or due to
2552 linker script /DISCARD/, so we'll be discarding
2555 else if (htab
->is_vxworks
2556 && strcmp (p
->sec
->output_section
->name
,
2559 /* Relocations in vxworks .tls_vars sections are
2560 handled specially by the loader. */
2562 else if (p
->count
!= 0)
2564 srel
= elf_section_data (p
->sec
)->sreloc
;
2565 if (!htab
->elf
.dynamic_sections_created
)
2566 srel
= htab
->elf
.irelplt
;
2567 srel
->size
+= p
->count
* SPARC_ELF_RELA_BYTES (htab
);
2568 if ((p
->sec
->output_section
->flags
& SEC_READONLY
) != 0)
2570 info
->flags
|= DF_TEXTREL
;
2571 info
->callbacks
->minfo (_("%B: dynamic relocation in read-only section `%A'\n"),
2572 p
->sec
->owner
, p
->sec
);
2578 local_got
= elf_local_got_refcounts (ibfd
);
2582 symtab_hdr
= &elf_symtab_hdr (ibfd
);
2583 locsymcount
= symtab_hdr
->sh_info
;
2584 end_local_got
= local_got
+ locsymcount
;
2585 local_tls_type
= _bfd_sparc_elf_local_got_tls_type (ibfd
);
2587 srel
= htab
->elf
.srelgot
;
2588 for (; local_got
< end_local_got
; ++local_got
, ++local_tls_type
)
2592 *local_got
= s
->size
;
2593 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2594 if (*local_tls_type
== GOT_TLS_GD
)
2595 s
->size
+= SPARC_ELF_WORD_BYTES (htab
);
2596 if (bfd_link_pic (info
)
2597 || *local_tls_type
== GOT_TLS_GD
2598 || *local_tls_type
== GOT_TLS_IE
)
2599 srel
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2602 *local_got
= (bfd_vma
) -1;
2606 if (htab
->tls_ldm_got
.refcount
> 0)
2608 /* Allocate 2 got entries and 1 dynamic reloc for
2609 R_SPARC_TLS_LDM_{HI22,LO10} relocs. */
2610 htab
->tls_ldm_got
.offset
= htab
->elf
.sgot
->size
;
2611 htab
->elf
.sgot
->size
+= (2 * SPARC_ELF_WORD_BYTES (htab
));
2612 htab
->elf
.srelgot
->size
+= SPARC_ELF_RELA_BYTES (htab
);
2615 htab
->tls_ldm_got
.offset
= -1;
2617 /* Allocate global sym .plt and .got entries, and space for global
2618 sym dynamic relocs. */
2619 elf_link_hash_traverse (&htab
->elf
, allocate_dynrelocs
, info
);
2621 /* Allocate .plt and .got entries, and space for local symbols. */
2622 htab_traverse (htab
->loc_hash_table
, allocate_local_dynrelocs
, info
);
2624 if (! ABI_64_P (output_bfd
)
2625 && !htab
->is_vxworks
2626 && elf_hash_table (info
)->dynamic_sections_created
)
2628 /* Make space for the trailing nop in .plt. */
2629 if (htab
->elf
.splt
->size
> 0)
2630 htab
->elf
.splt
->size
+= 1 * SPARC_INSN_BYTES
;
2632 /* If the .got section is more than 0x1000 bytes, we add
2633 0x1000 to the value of _GLOBAL_OFFSET_TABLE_, so that 13
2634 bit relocations have a greater chance of working.
2636 FIXME: Make this optimization work for 64-bit too. */
2637 if (htab
->elf
.sgot
->size
>= 0x1000
2638 && elf_hash_table (info
)->hgot
->root
.u
.def
.value
== 0)
2639 elf_hash_table (info
)->hgot
->root
.u
.def
.value
= 0x1000;
2642 /* The check_relocs and adjust_dynamic_symbol entry points have
2643 determined the sizes of the various dynamic sections. Allocate
2645 for (s
= dynobj
->sections
; s
!= NULL
; s
= s
->next
)
2647 if ((s
->flags
& SEC_LINKER_CREATED
) == 0)
2650 if (s
== htab
->elf
.splt
2651 || s
== htab
->elf
.sgot
2652 || s
== htab
->elf
.sdynbss
2653 || s
== htab
->elf
.sdynrelro
2654 || s
== htab
->elf
.iplt
2655 || s
== htab
->elf
.sgotplt
)
2657 /* Strip this section if we don't need it; see the
2660 else if (CONST_STRNEQ (s
->name
, ".rela"))
2664 /* We use the reloc_count field as a counter if we need
2665 to copy relocs into the output file. */
2671 /* It's not one of our sections. */
2677 /* If we don't need this section, strip it from the
2678 output file. This is mostly to handle .rela.bss and
2679 .rela.plt. We must create both sections in
2680 create_dynamic_sections, because they must be created
2681 before the linker maps input sections to output
2682 sections. The linker does that before
2683 adjust_dynamic_symbol is called, and it is that
2684 function which decides whether anything needs to go
2685 into these sections. */
2686 s
->flags
|= SEC_EXCLUDE
;
2690 if ((s
->flags
& SEC_HAS_CONTENTS
) == 0)
2693 /* Allocate memory for the section contents. Zero the memory
2694 for the benefit of .rela.plt, which has 4 unused entries
2695 at the beginning, and we don't want garbage. */
2696 s
->contents
= (bfd_byte
*) bfd_zalloc (dynobj
, s
->size
);
2697 if (s
->contents
== NULL
)
2701 if (elf_hash_table (info
)->dynamic_sections_created
)
2703 /* Add some entries to the .dynamic section. We fill in the
2704 values later, in _bfd_sparc_elf_finish_dynamic_sections, but we
2705 must add the entries now so that we get the correct size for
2706 the .dynamic section. The DT_DEBUG entry is filled in by the
2707 dynamic linker and used by the debugger. */
2708 #define add_dynamic_entry(TAG, VAL) \
2709 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
2711 if (bfd_link_executable (info
))
2713 if (!add_dynamic_entry (DT_DEBUG
, 0))
2717 if (htab
->elf
.srelplt
->size
!= 0)
2719 if (!add_dynamic_entry (DT_PLTGOT
, 0)
2720 || !add_dynamic_entry (DT_PLTRELSZ
, 0)
2721 || !add_dynamic_entry (DT_PLTREL
, DT_RELA
)
2722 || !add_dynamic_entry (DT_JMPREL
, 0))
2726 if (!add_dynamic_entry (DT_RELA
, 0)
2727 || !add_dynamic_entry (DT_RELASZ
, 0)
2728 || !add_dynamic_entry (DT_RELAENT
,
2729 SPARC_ELF_RELA_BYTES (htab
)))
2732 /* If any dynamic relocs apply to a read-only section,
2733 then we need a DT_TEXTREL entry. */
2734 if ((info
->flags
& DF_TEXTREL
) == 0)
2735 elf_link_hash_traverse (&htab
->elf
, readonly_dynrelocs
, info
);
2737 if (info
->flags
& DF_TEXTREL
)
2739 if (!add_dynamic_entry (DT_TEXTREL
, 0))
2743 if (ABI_64_P (output_bfd
))
2746 struct _bfd_sparc_elf_app_reg
* app_regs
;
2747 struct elf_strtab_hash
*dynstr
;
2748 struct elf_link_hash_table
*eht
= elf_hash_table (info
);
2750 /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
2751 entries if needed. */
2752 app_regs
= _bfd_sparc_elf_hash_table (info
)->app_regs
;
2753 dynstr
= eht
->dynstr
;
2755 for (reg
= 0; reg
< 4; reg
++)
2756 if (app_regs
[reg
].name
!= NULL
)
2758 struct elf_link_local_dynamic_entry
*entry
, *e
;
2760 if (!add_dynamic_entry (DT_SPARC_REGISTER
, 0))
2763 entry
= (struct elf_link_local_dynamic_entry
*)
2764 bfd_hash_allocate (&info
->hash
->table
, sizeof (*entry
));
2768 /* We cheat here a little bit: the symbol will not be local, so we
2769 put it at the end of the dynlocal linked list. We will fix it
2770 later on, as we have to fix other fields anyway. */
2771 entry
->isym
.st_value
= reg
< 2 ? reg
+ 2 : reg
+ 4;
2772 entry
->isym
.st_size
= 0;
2773 if (*app_regs
[reg
].name
!= '\0')
2775 = _bfd_elf_strtab_add (dynstr
, app_regs
[reg
].name
, FALSE
);
2777 entry
->isym
.st_name
= 0;
2778 entry
->isym
.st_other
= 0;
2779 entry
->isym
.st_info
= ELF_ST_INFO (app_regs
[reg
].bind
,
2781 entry
->isym
.st_shndx
= app_regs
[reg
].shndx
;
2782 entry
->isym
.st_target_internal
= 0;
2784 entry
->input_bfd
= output_bfd
;
2785 entry
->input_indx
= -1;
2787 if (eht
->dynlocal
== NULL
)
2788 eht
->dynlocal
= entry
;
2791 for (e
= eht
->dynlocal
; e
->next
; e
= e
->next
)
2798 if (htab
->is_vxworks
2799 && !elf_vxworks_add_dynamic_entries (output_bfd
, info
))
2802 #undef add_dynamic_entry
2808 _bfd_sparc_elf_new_section_hook (bfd
*abfd
, asection
*sec
)
2810 if (!sec
->used_by_bfd
)
2812 struct _bfd_sparc_elf_section_data
*sdata
;
2813 bfd_size_type amt
= sizeof (*sdata
);
2815 sdata
= bfd_zalloc (abfd
, amt
);
2818 sec
->used_by_bfd
= sdata
;
2821 return _bfd_elf_new_section_hook (abfd
, sec
);
2825 _bfd_sparc_elf_relax_section (bfd
*abfd ATTRIBUTE_UNUSED
,
2826 struct bfd_section
*section
,
2827 struct bfd_link_info
*link_info ATTRIBUTE_UNUSED
,
2830 if (bfd_link_relocatable (link_info
))
2831 (*link_info
->callbacks
->einfo
)
2832 (_("%P%F: --relax and -r may not be used together\n"));
2835 sec_do_relax (section
) = 1;
2839 /* Return the base VMA address which should be subtracted from real addresses
2840 when resolving @dtpoff relocation.
2841 This is PT_TLS segment p_vaddr. */
2844 dtpoff_base (struct bfd_link_info
*info
)
2846 /* If tls_sec is NULL, we should have signalled an error already. */
2847 if (elf_hash_table (info
)->tls_sec
== NULL
)
2849 return elf_hash_table (info
)->tls_sec
->vma
;
2852 /* Return the relocation value for @tpoff relocation
2853 if STT_TLS virtual address is ADDRESS. */
2856 tpoff (struct bfd_link_info
*info
, bfd_vma address
)
2858 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2859 const struct elf_backend_data
*bed
= get_elf_backend_data (info
->output_bfd
);
2860 bfd_vma static_tls_size
;
2862 /* If tls_sec is NULL, we should have signalled an error already. */
2863 if (htab
->tls_sec
== NULL
)
2866 /* Consider special static TLS alignment requirements. */
2867 static_tls_size
= BFD_ALIGN (htab
->tls_size
, bed
->static_tls_alignment
);
2868 return address
- static_tls_size
- htab
->tls_sec
->vma
;
2871 /* Return the relocation value for a %gdop relocation. */
2874 gdopoff (struct bfd_link_info
*info
, bfd_vma address
)
2876 struct elf_link_hash_table
*htab
= elf_hash_table (info
);
2879 got_base
= (htab
->hgot
->root
.u
.def
.value
2880 + htab
->hgot
->root
.u
.def
.section
->output_offset
2881 + htab
->hgot
->root
.u
.def
.section
->output_section
->vma
);
2883 return address
- got_base
;
2886 /* Return whether H is local and its ADDRESS is within 4G of
2887 _GLOBAL_OFFSET_TABLE_ and thus the offset may be calculated by a
2888 sethi, xor sequence. */
2891 gdop_relative_offset_ok (struct bfd_link_info
*info
,
2892 struct elf_link_hash_entry
*h
,
2893 bfd_vma address ATTRIBUTE_UNUSED
)
2895 if (!SYMBOL_REFERENCES_LOCAL (info
, h
))
2897 /* If H is undefined, ADDRESS will be zero. We can't allow a
2898 relative offset to "zero" when producing PIEs or shared libs.
2899 Note that to get here with an undefined symbol it must also be
2900 hidden or internal visibility. */
2901 if (bfd_link_pic (info
)
2903 && (h
->root
.type
== bfd_link_hash_undefweak
2904 || h
->root
.type
== bfd_link_hash_undefined
))
2907 return gdopoff (info
, address
) + ((bfd_vma
) 1 << 32) < (bfd_vma
) 2 << 32;
2913 /* Relocate a SPARC ELF section. */
2916 _bfd_sparc_elf_relocate_section (bfd
*output_bfd
,
2917 struct bfd_link_info
*info
,
2919 asection
*input_section
,
2921 Elf_Internal_Rela
*relocs
,
2922 Elf_Internal_Sym
*local_syms
,
2923 asection
**local_sections
)
2925 struct _bfd_sparc_elf_link_hash_table
*htab
;
2926 Elf_Internal_Shdr
*symtab_hdr
;
2927 struct elf_link_hash_entry
**sym_hashes
;
2928 bfd_vma
*local_got_offsets
;
2931 Elf_Internal_Rela
*rel
;
2932 Elf_Internal_Rela
*relend
;
2934 bfd_boolean is_vxworks_tls
;
2936 htab
= _bfd_sparc_elf_hash_table (info
);
2937 BFD_ASSERT (htab
!= NULL
);
2938 symtab_hdr
= &elf_symtab_hdr (input_bfd
);
2939 sym_hashes
= elf_sym_hashes (input_bfd
);
2940 local_got_offsets
= elf_local_got_offsets (input_bfd
);
2942 if (elf_hash_table (info
)->hgot
== NULL
)
2945 got_base
= elf_hash_table (info
)->hgot
->root
.u
.def
.value
;
2947 sreloc
= elf_section_data (input_section
)->sreloc
;
2948 /* We have to handle relocations in vxworks .tls_vars sections
2949 specially, because the dynamic loader is 'weird'. */
2950 is_vxworks_tls
= (htab
->is_vxworks
&& bfd_link_pic (info
)
2951 && !strcmp (input_section
->output_section
->name
,
2955 if (ABI_64_P (output_bfd
))
2956 num_relocs
= NUM_SHDR_ENTRIES (_bfd_elf_single_rel_hdr (input_section
));
2958 num_relocs
= input_section
->reloc_count
;
2959 relend
= relocs
+ num_relocs
;
2960 for (; rel
< relend
; rel
++)
2962 int r_type
, tls_type
;
2963 reloc_howto_type
*howto
;
2964 unsigned long r_symndx
;
2965 struct elf_link_hash_entry
*h
;
2966 struct _bfd_sparc_elf_link_hash_entry
*eh
;
2967 Elf_Internal_Sym
*sym
;
2969 bfd_vma relocation
, off
;
2970 bfd_reloc_status_type r
;
2971 bfd_boolean is_plt
= FALSE
;
2972 bfd_boolean unresolved_reloc
;
2973 bfd_boolean resolved_to_zero
;
2974 bfd_boolean relative_reloc
;
2976 r_type
= SPARC_ELF_R_TYPE (rel
->r_info
);
2977 if (r_type
== R_SPARC_GNU_VTINHERIT
2978 || r_type
== R_SPARC_GNU_VTENTRY
)
2981 if (r_type
< 0 || r_type
>= (int) R_SPARC_max_std
)
2983 bfd_set_error (bfd_error_bad_value
);
2986 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
2988 r_symndx
= SPARC_ELF_R_SYMNDX (htab
, rel
->r_info
);
2992 unresolved_reloc
= FALSE
;
2993 if (r_symndx
< symtab_hdr
->sh_info
)
2995 sym
= local_syms
+ r_symndx
;
2996 sec
= local_sections
[r_symndx
];
2997 relocation
= _bfd_elf_rela_local_sym (output_bfd
, sym
, &sec
, rel
);
2999 if (!bfd_link_relocatable (info
)
3000 && ELF_ST_TYPE (sym
->st_info
) == STT_GNU_IFUNC
)
3002 /* Relocate against local STT_GNU_IFUNC symbol. */
3003 h
= elf_sparc_get_local_sym_hash (htab
, input_bfd
,
3008 /* Set STT_GNU_IFUNC symbol value. */
3009 h
->root
.u
.def
.value
= sym
->st_value
;
3010 h
->root
.u
.def
.section
= sec
;
3015 bfd_boolean warned
, ignored
;
3017 RELOC_FOR_GLOBAL_SYMBOL (info
, input_bfd
, input_section
, rel
,
3018 r_symndx
, symtab_hdr
, sym_hashes
,
3020 unresolved_reloc
, warned
, ignored
);
3023 /* To avoid generating warning messages about truncated
3024 relocations, set the relocation's address to be the same as
3025 the start of this section. */
3026 if (input_section
->output_section
!= NULL
)
3027 relocation
= input_section
->output_section
->vma
;
3033 if (sec
!= NULL
&& discarded_section (sec
))
3034 RELOC_AGAINST_DISCARDED_SECTION (info
, input_bfd
, input_section
,
3035 rel
, 1, relend
, howto
, 0, contents
);
3037 if (bfd_link_relocatable (info
))
3041 && h
->type
== STT_GNU_IFUNC
3047 if ((input_section
->flags
& SEC_ALLOC
) == 0
3048 || h
->plt
.offset
== (bfd_vma
) -1)
3051 plt_sec
= htab
->elf
.splt
;
3053 plt_sec
=htab
->elf
.iplt
;
3057 case R_SPARC_GOTDATA_OP
:
3060 case R_SPARC_GOTDATA_OP_HIX22
:
3061 case R_SPARC_GOTDATA_OP_LOX10
:
3062 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3065 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3071 if (htab
->elf
.sgot
== NULL
)
3073 off
= h
->got
.offset
;
3074 if (off
== (bfd_vma
) -1)
3076 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3079 case R_SPARC_WPLT30
:
3080 case R_SPARC_WDISP30
:
3081 relocation
= (plt_sec
->output_section
->vma
3082 + plt_sec
->output_offset
+ h
->plt
.offset
);
3087 if (bfd_link_pic (info
) && h
->non_got_ref
)
3089 Elf_Internal_Rela outrel
;
3092 offset
= _bfd_elf_section_offset (output_bfd
, info
,
3095 if (offset
== (bfd_vma
) -1
3096 || offset
== (bfd_vma
) -2)
3099 outrel
.r_offset
= (input_section
->output_section
->vma
3100 + input_section
->output_offset
3103 if (h
->dynindx
== -1
3105 || bfd_link_executable (info
))
3107 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3108 0, R_SPARC_IRELATIVE
);
3109 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3113 if (h
->dynindx
== -1)
3115 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3116 outrel
.r_addend
= rel
->r_addend
;
3119 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3123 relocation
= (plt_sec
->output_section
->vma
3124 + plt_sec
->output_offset
+ h
->plt
.offset
);
3129 /* We should only see such relocs in static links. */
3130 if (bfd_link_pic (info
))
3132 relocation
= (plt_sec
->output_section
->vma
3133 + plt_sec
->output_offset
+ h
->plt
.offset
);
3137 if (h
->root
.root
.string
)
3138 name
= h
->root
.root
.string
;
3140 name
= bfd_elf_sym_name (input_bfd
, symtab_hdr
, sym
,
3143 /* xgettext:c-format */
3144 (_("%B: relocation %s against STT_GNU_IFUNC "
3145 "symbol `%s' isn't handled by %s"), input_bfd
,
3146 _bfd_sparc_elf_howto_table
[r_type
].name
,
3147 name
, __FUNCTION__
);
3148 bfd_set_error (bfd_error_bad_value
);
3153 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
3154 resolved_to_zero
= (eh
!= NULL
3155 && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
));
3159 case R_SPARC_GOTDATA_OP_HIX22
:
3160 case R_SPARC_GOTDATA_OP_LOX10
:
3161 if (gdop_relative_offset_ok (info
, h
, relocation
))
3163 r_type
= (r_type
== R_SPARC_GOTDATA_OP_HIX22
3164 ? R_SPARC_GOTDATA_HIX22
3165 : R_SPARC_GOTDATA_LOX10
);
3166 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3170 case R_SPARC_GOTDATA_OP
:
3171 if (gdop_relative_offset_ok (info
, h
, relocation
))
3173 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3175 /* {ld,ldx} [%rs1 + %rs2], %rd --> add %rs1, %rs2, %rd */
3176 relocation
= 0x80000000 | (insn
& 0x3e07c01f);
3177 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3184 case R_SPARC_GOTDATA_HIX22
:
3185 case R_SPARC_GOTDATA_LOX10
:
3186 relocation
= gdopoff (info
, relocation
);
3189 case R_SPARC_GOTDATA_OP_HIX22
:
3190 case R_SPARC_GOTDATA_OP_LOX10
:
3194 /* Relocation is to the entry for this symbol in the global
3196 if (htab
->elf
.sgot
== NULL
)
3199 relative_reloc
= FALSE
;
3204 off
= h
->got
.offset
;
3205 BFD_ASSERT (off
!= (bfd_vma
) -1);
3206 dyn
= elf_hash_table (info
)->dynamic_sections_created
;
3208 if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn
,
3209 bfd_link_pic (info
),
3211 || (bfd_link_pic (info
)
3212 && SYMBOL_REFERENCES_LOCAL (info
, h
)))
3214 /* This is actually a static link, or it is a
3215 -Bsymbolic link and the symbol is defined
3216 locally, or the symbol was forced to be local
3217 because of a version file. We must initialize
3218 this entry in the global offset table. Since the
3219 offset must always be a multiple of 8 for 64-bit
3220 and 4 for 32-bit, we use the least significant bit
3221 to record whether we have initialized it already.
3223 When doing a dynamic link, we create a .rela.got
3224 relocation entry to initialize the value. This
3225 is done in the finish_dynamic_symbol routine. */
3230 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3231 htab
->elf
.sgot
->contents
+ off
);
3234 if (h
->dynindx
== -1
3236 && h
->root
.type
!= bfd_link_hash_undefweak
3237 && bfd_link_pic (info
))
3239 /* If this symbol isn't dynamic in PIC
3240 generate R_SPARC_RELATIVE here. */
3241 relative_reloc
= TRUE
;
3246 unresolved_reloc
= FALSE
;
3250 BFD_ASSERT (local_got_offsets
!= NULL
3251 && local_got_offsets
[r_symndx
] != (bfd_vma
) -1);
3253 off
= local_got_offsets
[r_symndx
];
3255 /* The offset must always be a multiple of 8 on 64-bit and
3256 4 on 32-bit. We use the least significant bit to record
3257 whether we have already processed this entry. */
3262 if (bfd_link_pic (info
))
3264 relative_reloc
= TRUE
;
3267 SPARC_ELF_PUT_WORD (htab
, output_bfd
, relocation
,
3268 htab
->elf
.sgot
->contents
+ off
);
3269 local_got_offsets
[r_symndx
] |= 1;
3276 Elf_Internal_Rela outrel
;
3278 /* We need to generate a R_SPARC_RELATIVE reloc
3279 for the dynamic linker. */
3280 s
= htab
->elf
.srelgot
;
3281 BFD_ASSERT (s
!= NULL
);
3283 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3284 + htab
->elf
.sgot
->output_offset
3286 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3287 0, R_SPARC_RELATIVE
);
3288 outrel
.r_addend
= relocation
;
3290 sparc_elf_append_rela (output_bfd
, s
, &outrel
);
3293 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3298 if (h
== NULL
|| h
->plt
.offset
== (bfd_vma
) -1)
3300 r_type
= (r_type
== R_SPARC_PLT32
) ? R_SPARC_32
: R_SPARC_64
;
3305 case R_SPARC_WPLT30
:
3306 case R_SPARC_HIPLT22
:
3307 case R_SPARC_LOPLT10
:
3308 case R_SPARC_PCPLT32
:
3309 case R_SPARC_PCPLT22
:
3310 case R_SPARC_PCPLT10
:
3312 /* Relocation is to the entry for this symbol in the
3313 procedure linkage table. */
3315 if (! ABI_64_P (output_bfd
))
3317 /* The Solaris native assembler will generate a WPLT30 reloc
3318 for a local symbol if you assemble a call from one
3319 section to another when using -K pic. We treat it as
3324 /* PR 7027: We need similar behaviour for 64-bit binaries. */
3325 else if (r_type
== R_SPARC_WPLT30
&& h
== NULL
)
3329 BFD_ASSERT (h
!= NULL
);
3332 if (h
->plt
.offset
== (bfd_vma
) -1 || htab
->elf
.splt
== NULL
)
3334 /* We didn't make a PLT entry for this symbol. This
3335 happens when statically linking PIC code, or when
3336 using -Bsymbolic. */
3340 relocation
= (htab
->elf
.splt
->output_section
->vma
3341 + htab
->elf
.splt
->output_offset
3343 unresolved_reloc
= FALSE
;
3344 if (r_type
== R_SPARC_PLT32
|| r_type
== R_SPARC_PLT64
)
3346 r_type
= r_type
== R_SPARC_PLT32
? R_SPARC_32
: R_SPARC_64
;
3354 case R_SPARC_PC_HH22
:
3355 case R_SPARC_PC_HM10
:
3356 case R_SPARC_PC_LM22
:
3358 && strcmp (h
->root
.root
.string
, "_GLOBAL_OFFSET_TABLE_") == 0)
3362 case R_SPARC_DISP16
:
3363 case R_SPARC_DISP32
:
3364 case R_SPARC_DISP64
:
3365 case R_SPARC_WDISP30
:
3366 case R_SPARC_WDISP22
:
3367 case R_SPARC_WDISP19
:
3368 case R_SPARC_WDISP16
:
3369 case R_SPARC_WDISP10
:
3397 if ((input_section
->flags
& SEC_ALLOC
) == 0
3401 /* Copy dynamic function pointer relocations. Don't generate
3402 dynamic relocations against resolved undefined weak symbols
3404 if ((bfd_link_pic (info
)
3406 || ((ELF_ST_VISIBILITY (h
->other
) == STV_DEFAULT
3407 && !resolved_to_zero
)
3408 || h
->root
.type
!= bfd_link_hash_undefweak
))
3409 && (! howto
->pc_relative
3410 || !SYMBOL_CALLS_LOCAL (info
, h
)))
3411 || (!bfd_link_pic (info
)
3417 || (h
->root
.type
== bfd_link_hash_undefweak
3418 && !resolved_to_zero
)
3419 || h
->root
.type
== bfd_link_hash_undefined
)))
3421 Elf_Internal_Rela outrel
;
3422 bfd_boolean skip
, relocate
= FALSE
;
3424 /* When generating a shared object, these relocations
3425 are copied into the output file to be resolved at run
3428 BFD_ASSERT (sreloc
!= NULL
);
3433 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3435 if (outrel
.r_offset
== (bfd_vma
) -1)
3437 else if (outrel
.r_offset
== (bfd_vma
) -2)
3438 skip
= TRUE
, relocate
= TRUE
;
3439 outrel
.r_offset
+= (input_section
->output_section
->vma
3440 + input_section
->output_offset
);
3442 /* Optimize unaligned reloc usage now that we know where
3443 it finally resides. */
3447 if (outrel
.r_offset
& 1)
3448 r_type
= R_SPARC_UA16
;
3451 if (!(outrel
.r_offset
& 1))
3452 r_type
= R_SPARC_16
;
3455 if (outrel
.r_offset
& 3)
3456 r_type
= R_SPARC_UA32
;
3459 if (!(outrel
.r_offset
& 3))
3460 r_type
= R_SPARC_32
;
3463 if (outrel
.r_offset
& 7)
3464 r_type
= R_SPARC_UA64
;
3467 if (!(outrel
.r_offset
& 7))
3468 r_type
= R_SPARC_64
;
3471 case R_SPARC_DISP16
:
3472 case R_SPARC_DISP32
:
3473 case R_SPARC_DISP64
:
3474 /* If the symbol is not dynamic, we should not keep
3475 a dynamic relocation. But an .rela.* slot has been
3476 allocated for it, output R_SPARC_NONE.
3477 FIXME: Add code tracking needed dynamic relocs as
3479 if (h
->dynindx
== -1)
3480 skip
= TRUE
, relocate
= TRUE
;
3485 memset (&outrel
, 0, sizeof outrel
);
3486 /* h->dynindx may be -1 if the symbol was marked to
3490 && (_bfd_sparc_elf_howto_table
[r_type
].pc_relative
3491 || !bfd_link_pic (info
)
3492 || !SYMBOLIC_BIND (info
, h
)
3493 || !h
->def_regular
))
3495 BFD_ASSERT (h
->dynindx
!= -1);
3496 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, h
->dynindx
, r_type
);
3497 outrel
.r_addend
= rel
->r_addend
;
3501 if ( (!ABI_64_P (output_bfd
) && r_type
== R_SPARC_32
)
3502 || (ABI_64_P (output_bfd
) && r_type
== R_SPARC_64
))
3504 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
,
3505 0, R_SPARC_RELATIVE
);
3506 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3512 outrel
.r_addend
= relocation
+ rel
->r_addend
;
3515 sec
= htab
->elf
.splt
;
3517 if (bfd_is_abs_section (sec
))
3519 else if (sec
== NULL
|| sec
->owner
== NULL
)
3521 bfd_set_error (bfd_error_bad_value
);
3528 /* We are turning this relocation into one
3529 against a section symbol. It would be
3530 proper to subtract the symbol's value,
3531 osec->vma, from the emitted reloc addend,
3532 but ld.so expects buggy relocs. */
3533 osec
= sec
->output_section
;
3534 indx
= elf_section_data (osec
)->dynindx
;
3538 osec
= htab
->elf
.text_index_section
;
3539 indx
= elf_section_data (osec
)->dynindx
;
3542 /* FIXME: we really should be able to link non-pic
3543 shared libraries. */
3548 (_("%B: probably compiled without -fPIC?"),
3550 bfd_set_error (bfd_error_bad_value
);
3555 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, rel
, indx
,
3560 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3562 /* This reloc will be computed at runtime, so there's no
3563 need to do anything now. */
3569 case R_SPARC_TLS_GD_HI22
:
3570 if (! ABI_64_P (input_bfd
)
3571 && ! _bfd_sparc_elf_tdata (input_bfd
)->has_tlsgd
)
3573 /* R_SPARC_REV32 used the same reloc number as
3574 R_SPARC_TLS_GD_HI22. */
3575 r_type
= R_SPARC_REV32
;
3580 case R_SPARC_TLS_GD_LO10
:
3581 case R_SPARC_TLS_IE_HI22
:
3582 case R_SPARC_TLS_IE_LO10
:
3583 r_type
= sparc_elf_tls_transition (info
, input_bfd
, r_type
, h
== NULL
);
3584 tls_type
= GOT_UNKNOWN
;
3585 if (h
== NULL
&& local_got_offsets
)
3586 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3589 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3590 if (bfd_link_executable (info
)
3592 && tls_type
== GOT_TLS_IE
)
3593 switch (SPARC_ELF_R_TYPE (rel
->r_info
))
3595 case R_SPARC_TLS_GD_HI22
:
3596 case R_SPARC_TLS_IE_HI22
:
3597 r_type
= R_SPARC_TLS_LE_HIX22
;
3600 r_type
= R_SPARC_TLS_LE_LOX10
;
3604 if (tls_type
== GOT_TLS_IE
)
3607 case R_SPARC_TLS_GD_HI22
:
3608 r_type
= R_SPARC_TLS_IE_HI22
;
3610 case R_SPARC_TLS_GD_LO10
:
3611 r_type
= R_SPARC_TLS_IE_LO10
;
3615 if (r_type
== R_SPARC_TLS_LE_HIX22
)
3617 relocation
= tpoff (info
, relocation
);
3620 if (r_type
== R_SPARC_TLS_LE_LOX10
)
3622 /* Change add into xor. */
3623 relocation
= tpoff (info
, relocation
);
3624 bfd_put_32 (output_bfd
, (bfd_get_32 (input_bfd
,
3625 contents
+ rel
->r_offset
)
3626 | 0x80182000), contents
+ rel
->r_offset
);
3632 off
= h
->got
.offset
;
3637 BFD_ASSERT (local_got_offsets
!= NULL
);
3638 off
= local_got_offsets
[r_symndx
];
3639 local_got_offsets
[r_symndx
] |= 1;
3643 if (htab
->elf
.sgot
== NULL
)
3650 Elf_Internal_Rela outrel
;
3653 if (htab
->elf
.srelgot
== NULL
)
3656 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3657 htab
->elf
.sgot
->contents
+ off
);
3658 outrel
.r_offset
= (htab
->elf
.sgot
->output_section
->vma
3659 + htab
->elf
.sgot
->output_offset
+ off
);
3660 indx
= h
&& h
->dynindx
!= -1 ? h
->dynindx
: 0;
3661 if (r_type
== R_SPARC_TLS_IE_HI22
3662 || r_type
== R_SPARC_TLS_IE_LO10
)
3663 dr_type
= SPARC_ELF_TPOFF_RELOC (htab
);
3665 dr_type
= SPARC_ELF_DTPMOD_RELOC (htab
);
3666 if (dr_type
== SPARC_ELF_TPOFF_RELOC (htab
) && indx
== 0)
3667 outrel
.r_addend
= relocation
- dtpoff_base (info
);
3669 outrel
.r_addend
= 0;
3670 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
, dr_type
);
3671 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
, &outrel
);
3673 if (r_type
== R_SPARC_TLS_GD_HI22
3674 || r_type
== R_SPARC_TLS_GD_LO10
)
3678 BFD_ASSERT (! unresolved_reloc
);
3679 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
3680 relocation
- dtpoff_base (info
),
3681 (htab
->elf
.sgot
->contents
+ off
3682 + SPARC_ELF_WORD_BYTES (htab
)));
3686 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3687 (htab
->elf
.sgot
->contents
+ off
3688 + SPARC_ELF_WORD_BYTES (htab
)));
3689 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, indx
,
3690 SPARC_ELF_DTPOFF_RELOC (htab
));
3691 outrel
.r_offset
+= SPARC_ELF_WORD_BYTES (htab
);
3692 sparc_elf_append_rela (output_bfd
, htab
->elf
.srelgot
,
3696 else if (dr_type
== SPARC_ELF_DTPMOD_RELOC (htab
))
3698 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
3699 (htab
->elf
.sgot
->contents
+ off
3700 + SPARC_ELF_WORD_BYTES (htab
)));
3704 if (off
>= (bfd_vma
) -2)
3707 relocation
= htab
->elf
.sgot
->output_offset
+ off
- got_base
;
3708 unresolved_reloc
= FALSE
;
3709 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3712 case R_SPARC_TLS_LDM_HI22
:
3713 case R_SPARC_TLS_LDM_LO10
:
3714 if (! bfd_link_pic (info
))
3716 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3719 off
= htab
->tls_ldm_got
.offset
;
3720 htab
->tls_ldm_got
.offset
|= 1;
3721 goto r_sparc_tlsldm
;
3723 case R_SPARC_TLS_LDO_HIX22
:
3724 case R_SPARC_TLS_LDO_LOX10
:
3725 if (bfd_link_pic (info
))
3727 relocation
-= dtpoff_base (info
);
3731 r_type
= (r_type
== R_SPARC_TLS_LDO_HIX22
3732 ? R_SPARC_TLS_LE_HIX22
: R_SPARC_TLS_LE_LOX10
);
3735 case R_SPARC_TLS_LE_HIX22
:
3736 case R_SPARC_TLS_LE_LOX10
:
3737 if (!bfd_link_executable (info
))
3739 Elf_Internal_Rela outrel
;
3742 BFD_ASSERT (sreloc
!= NULL
);
3745 _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3747 if (outrel
.r_offset
== (bfd_vma
) -1)
3749 else if (outrel
.r_offset
== (bfd_vma
) -2)
3751 outrel
.r_offset
+= (input_section
->output_section
->vma
3752 + input_section
->output_offset
);
3754 memset (&outrel
, 0, sizeof outrel
);
3757 outrel
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, r_type
);
3758 outrel
.r_addend
= relocation
- dtpoff_base (info
)
3762 sparc_elf_append_rela (output_bfd
, sreloc
, &outrel
);
3765 relocation
= tpoff (info
, relocation
);
3768 case R_SPARC_TLS_LDM_CALL
:
3769 if (bfd_link_executable (info
))
3772 bfd_put_32 (output_bfd
, 0x90100000, contents
+ rel
->r_offset
);
3777 case R_SPARC_TLS_GD_CALL
:
3778 tls_type
= GOT_UNKNOWN
;
3779 if (h
== NULL
&& local_got_offsets
)
3780 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3782 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3783 if (bfd_link_executable (info
)
3784 || (r_type
== R_SPARC_TLS_GD_CALL
&& tls_type
== GOT_TLS_IE
))
3786 Elf_Internal_Rela
*rel2
;
3789 if (!bfd_link_pic (info
) && (h
== NULL
|| h
->dynindx
== -1))
3792 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3797 if (rel
+ 1 < relend
3798 && SPARC_ELF_R_TYPE (rel
[1].r_info
) == R_SPARC_TLS_GD_ADD
3799 && rel
[1].r_offset
== rel
->r_offset
+ 4
3800 && SPARC_ELF_R_SYMNDX (htab
, rel
[1].r_info
) == r_symndx
3801 && (((insn
= bfd_get_32 (input_bfd
,
3802 contents
+ rel
[1].r_offset
))
3803 >> 25) & 0x1f) == 8)
3806 call __tls_get_addr, %tgd_call(foo)
3807 add %reg1, %reg2, %o0, %tgd_add(foo)
3808 and change it into IE:
3809 {ld,ldx} [%reg1 + %reg2], %o0, %tie_ldx(foo)
3810 add %g7, %o0, %o0, %tie_add(foo).
3811 add is 0x80000000 | (rd << 25) | (rs1 << 14) | rs2,
3812 ld is 0xc0000000 | (rd << 25) | (rs1 << 14) | rs2,
3813 ldx is 0xc0580000 | (rd << 25) | (rs1 << 14) | rs2. */
3814 bfd_put_32 (output_bfd
, insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000),
3815 contents
+ rel
->r_offset
);
3816 bfd_put_32 (output_bfd
, 0x9001c008,
3817 contents
+ rel
->r_offset
+ 4);
3822 /* We cannot just overwrite the delay slot instruction,
3823 as it might be what puts the %o0 argument to
3824 __tls_get_addr into place. So we have to transpose
3825 the delay slot with the add we patch in. */
3826 insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
3827 bfd_put_32 (output_bfd
, insn
,
3828 contents
+ rel
->r_offset
);
3829 bfd_put_32 (output_bfd
, 0x9001c008,
3830 contents
+ rel
->r_offset
+ 4);
3833 while ((rel2
= sparc_elf_find_reloc_at_ofs (rel2
+ 1, relend
,
3837 /* If the instruction we moved has a relocation attached to
3838 it, adjust the offset so that it will apply to the correct
3840 rel2
->r_offset
-= 4;
3845 h
= (struct elf_link_hash_entry
*)
3846 bfd_link_hash_lookup (info
->hash
, "__tls_get_addr", FALSE
,
3848 BFD_ASSERT (h
!= NULL
);
3849 r_type
= R_SPARC_WPLT30
;
3850 howto
= _bfd_sparc_elf_howto_table
+ r_type
;
3851 goto r_sparc_wplt30
;
3853 case R_SPARC_TLS_GD_ADD
:
3854 tls_type
= GOT_UNKNOWN
;
3855 if (h
== NULL
&& local_got_offsets
)
3856 tls_type
= _bfd_sparc_elf_local_got_tls_type (input_bfd
) [r_symndx
];
3858 tls_type
= _bfd_sparc_elf_hash_entry(h
)->tls_type
;
3859 if (! bfd_link_pic (info
) || tls_type
== GOT_TLS_IE
)
3861 /* add %reg1, %reg2, %reg3, %tgd_add(foo)
3863 {ld,ldx} [%reg1 + %reg2], %reg3, %tie_ldx(foo)
3865 add %g7, %reg2, %reg3. */
3866 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3867 if ((h
!= NULL
&& h
->dynindx
!= -1) || bfd_link_pic (info
))
3868 relocation
= insn
| (ABI_64_P (output_bfd
) ? 0xc0580000 : 0xc0000000);
3870 relocation
= (insn
& ~0x7c000) | 0x1c000;
3871 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3875 case R_SPARC_TLS_LDM_ADD
:
3876 if (! bfd_link_pic (info
))
3877 bfd_put_32 (output_bfd
, SPARC_NOP
, contents
+ rel
->r_offset
);
3880 case R_SPARC_TLS_LDO_ADD
:
3881 if (! bfd_link_pic (info
))
3883 /* Change rs1 into %g7. */
3884 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3885 insn
= (insn
& ~0x7c000) | 0x1c000;
3886 bfd_put_32 (output_bfd
, insn
, contents
+ rel
->r_offset
);
3890 case R_SPARC_TLS_IE_LD
:
3891 case R_SPARC_TLS_IE_LDX
:
3892 if (bfd_link_executable (info
) && (h
== NULL
|| h
->dynindx
== -1))
3894 bfd_vma insn
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3895 int rs2
= insn
& 0x1f;
3896 int rd
= (insn
>> 25) & 0x1f;
3899 relocation
= SPARC_NOP
;
3901 relocation
= 0x80100000 | (insn
& 0x3e00001f);
3902 bfd_put_32 (output_bfd
, relocation
, contents
+ rel
->r_offset
);
3906 case R_SPARC_TLS_IE_ADD
:
3907 /* Totally useless relocation. */
3910 case R_SPARC_TLS_DTPOFF32
:
3911 case R_SPARC_TLS_DTPOFF64
:
3912 relocation
-= dtpoff_base (info
);
3919 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3920 because such sections are not SEC_ALLOC and thus ld.so will
3921 not process them. */
3922 if (unresolved_reloc
3923 && !((input_section
->flags
& SEC_DEBUGGING
) != 0
3925 && _bfd_elf_section_offset (output_bfd
, info
, input_section
,
3926 rel
->r_offset
) != (bfd_vma
) -1)
3928 /* xgettext:c-format */
3929 (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
3934 h
->root
.root
.string
);
3936 r
= bfd_reloc_continue
;
3937 if (r_type
== R_SPARC_OLO10
)
3941 if (! ABI_64_P (output_bfd
))
3944 relocation
+= rel
->r_addend
;
3945 relocation
= (relocation
& 0x3ff) + ELF64_R_TYPE_DATA (rel
->r_info
);
3947 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3948 x
= (x
& ~(bfd_vma
) 0x1fff) | (relocation
& 0x1fff);
3949 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3951 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3952 howto
->bitsize
, howto
->rightshift
,
3953 bfd_arch_bits_per_address (input_bfd
),
3956 else if (r_type
== R_SPARC_WDISP16
)
3960 relocation
+= rel
->r_addend
;
3961 relocation
-= (input_section
->output_section
->vma
3962 + input_section
->output_offset
);
3963 relocation
-= rel
->r_offset
;
3965 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3966 x
|= ((((relocation
>> 2) & 0xc000) << 6)
3967 | ((relocation
>> 2) & 0x3fff));
3968 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3970 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3971 howto
->bitsize
, howto
->rightshift
,
3972 bfd_arch_bits_per_address (input_bfd
),
3975 else if (r_type
== R_SPARC_WDISP10
)
3979 relocation
+= rel
->r_addend
;
3980 relocation
-= (input_section
->output_section
->vma
3981 + input_section
->output_offset
);
3982 relocation
-= rel
->r_offset
;
3984 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
3985 x
|= ((((relocation
>> 2) & 0x300) << 11)
3986 | (((relocation
>> 2) & 0xff) << 5));
3987 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
3989 r
= bfd_check_overflow (howto
->complain_on_overflow
,
3990 howto
->bitsize
, howto
->rightshift
,
3991 bfd_arch_bits_per_address (input_bfd
),
3994 else if (r_type
== R_SPARC_REV32
)
3998 relocation
= relocation
+ rel
->r_addend
;
4000 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4002 bfd_putl32 (/*input_bfd,*/ x
, contents
+ rel
->r_offset
);
4005 else if (r_type
== R_SPARC_TLS_LDO_HIX22
4006 || r_type
== R_SPARC_TLS_LE_HIX22
)
4010 relocation
+= rel
->r_addend
;
4011 if (r_type
== R_SPARC_TLS_LE_HIX22
)
4012 relocation
^= MINUS_ONE
;
4014 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4015 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4016 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4019 else if (r_type
== R_SPARC_TLS_LDO_LOX10
4020 || r_type
== R_SPARC_TLS_LE_LOX10
)
4024 relocation
+= rel
->r_addend
;
4025 relocation
&= 0x3ff;
4026 if (r_type
== R_SPARC_TLS_LE_LOX10
)
4027 relocation
|= 0x1c00;
4029 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4030 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4031 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4035 else if (r_type
== R_SPARC_HIX22
4036 || r_type
== R_SPARC_GOTDATA_HIX22
4037 || r_type
== R_SPARC_GOTDATA_OP_HIX22
)
4041 relocation
+= rel
->r_addend
;
4042 if (r_type
== R_SPARC_HIX22
4043 || (bfd_signed_vma
) relocation
< 0)
4044 relocation
= relocation
^ MINUS_ONE
;
4046 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4047 x
= (x
& ~(bfd_vma
) 0x3fffff) | ((relocation
>> 10) & 0x3fffff);
4048 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4050 r
= bfd_check_overflow (howto
->complain_on_overflow
,
4051 howto
->bitsize
, howto
->rightshift
,
4052 bfd_arch_bits_per_address (input_bfd
),
4055 else if (r_type
== R_SPARC_LOX10
4056 || r_type
== R_SPARC_GOTDATA_LOX10
4057 || r_type
== R_SPARC_GOTDATA_OP_LOX10
)
4061 relocation
+= rel
->r_addend
;
4062 if (r_type
== R_SPARC_LOX10
4063 || (bfd_signed_vma
) relocation
< 0)
4064 relocation
= (relocation
& 0x3ff) | 0x1c00;
4066 relocation
= (relocation
& 0x3ff);
4068 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4069 x
= (x
& ~(bfd_vma
) 0x1fff) | relocation
;
4070 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4074 else if ((r_type
== R_SPARC_WDISP30
|| r_type
== R_SPARC_WPLT30
)
4075 && sec_do_relax (input_section
)
4076 && rel
->r_offset
+ 4 < input_section
->size
)
4080 #define XCC (2 << 20)
4081 #define COND(x) (((x)&0xf)<<25)
4082 #define CONDA COND(0x8)
4083 #define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
4084 #define INSN_BA (F2(0,2) | CONDA)
4085 #define INSN_OR F3(2, 0x2, 0)
4086 #define INSN_NOP F2(0,4)
4090 /* If the instruction is a call with either:
4092 arithmetic instruction with rd == %o7
4093 where rs1 != %o7 and rs2 if it is register != %o7
4094 then we can optimize if the call destination is near
4095 by changing the call into a branch always. */
4096 x
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
);
4097 y
= bfd_get_32 (input_bfd
, contents
+ rel
->r_offset
+ 4);
4098 if ((x
& OP(~0)) == OP(1) && (y
& OP(~0)) == OP(2))
4100 if (((y
& OP3(~0)) == OP3(0x3d) /* restore */
4101 || ((y
& OP3(0x28)) == 0 /* arithmetic */
4102 && (y
& RD(~0)) == RD(O7
)))
4103 && (y
& RS1(~0)) != RS1(O7
)
4105 || (y
& RS2(~0)) != RS2(O7
)))
4109 reloc
= relocation
+ rel
->r_addend
- rel
->r_offset
;
4110 reloc
-= (input_section
->output_section
->vma
4111 + input_section
->output_offset
);
4113 /* Ensure the branch fits into simm22. */
4114 if ((reloc
& 3) == 0
4115 && ((reloc
& ~(bfd_vma
)0x7fffff) == 0
4116 || ((reloc
| 0x7fffff) == ~(bfd_vma
)0)))
4120 /* Check whether it fits into simm19. */
4121 if (((reloc
& 0x3c0000) == 0
4122 || (reloc
& 0x3c0000) == 0x3c0000)
4123 && (ABI_64_P (output_bfd
)
4124 || elf_elfheader (output_bfd
)->e_flags
& EF_SPARC_32PLUS
))
4125 x
= INSN_BPA
| (reloc
& 0x7ffff); /* ba,pt %xcc */
4127 x
= INSN_BA
| (reloc
& 0x3fffff); /* ba */
4128 bfd_put_32 (input_bfd
, x
, contents
+ rel
->r_offset
);
4130 if (rel
->r_offset
>= 4
4131 && (y
& (0xffffffff ^ RS1(~0)))
4132 == (INSN_OR
| RD(O7
) | RS2(G0
)))
4137 z
= bfd_get_32 (input_bfd
,
4138 contents
+ rel
->r_offset
- 4);
4139 if ((z
& (0xffffffff ^ RD(~0)))
4140 != (INSN_OR
| RS1(O7
) | RS2(G0
)))
4148 If call foo was replaced with ba, replace
4149 or %rN, %g0, %o7 with nop. */
4151 reg
= (y
& RS1(~0)) >> 14;
4152 if (reg
!= ((z
& RD(~0)) >> 25)
4153 || reg
== G0
|| reg
== O7
)
4156 bfd_put_32 (input_bfd
, (bfd_vma
) INSN_NOP
,
4157 contents
+ rel
->r_offset
+ 4);
4165 if (r
== bfd_reloc_continue
)
4168 r
= _bfd_final_link_relocate (howto
, input_bfd
, input_section
,
4169 contents
, rel
->r_offset
,
4170 relocation
, rel
->r_addend
);
4172 if (r
!= bfd_reloc_ok
)
4177 case bfd_reloc_outofrange
:
4179 case bfd_reloc_overflow
:
4183 /* The Solaris native linker silently disregards overflows.
4184 We don't, but this breaks stabs debugging info, whose
4185 relocations are only 32-bits wide. Ignore overflows in
4186 this case and also for discarded entries. */
4187 if ((r_type
== R_SPARC_32
4188 || r_type
== R_SPARC_UA32
4189 || r_type
== R_SPARC_DISP32
)
4190 && (((input_section
->flags
& SEC_DEBUGGING
) != 0
4191 && strcmp (bfd_section_name (input_bfd
,
4194 || _bfd_elf_section_offset (output_bfd
, info
,
4202 /* Assume this is a call protected by other code that
4203 detect the symbol is undefined. If this is the case,
4204 we can safely ignore the overflow. If not, the
4205 program is hosed anyway, and a little warning isn't
4207 if (h
->root
.type
== bfd_link_hash_undefweak
4208 && howto
->pc_relative
)
4215 name
= bfd_elf_string_from_elf_section (input_bfd
,
4216 symtab_hdr
->sh_link
,
4221 name
= bfd_section_name (input_bfd
, sec
);
4223 (*info
->callbacks
->reloc_overflow
)
4224 (info
, (h
? &h
->root
: NULL
), name
, howto
->name
,
4225 (bfd_vma
) 0, input_bfd
, input_section
, rel
->r_offset
);
4235 /* Build a VxWorks PLT entry. PLT_INDEX is the index of the PLT entry
4236 and PLT_OFFSET is the byte offset from the start of .plt. GOT_OFFSET
4237 is the offset of the associated .got.plt entry from
4238 _GLOBAL_OFFSET_TABLE_. */
4241 sparc_vxworks_build_plt_entry (bfd
*output_bfd
, struct bfd_link_info
*info
,
4242 bfd_vma plt_offset
, bfd_vma plt_index
,
4246 const bfd_vma
*plt_entry
;
4247 struct _bfd_sparc_elf_link_hash_table
*htab
;
4249 Elf_Internal_Rela rela
;
4251 htab
= _bfd_sparc_elf_hash_table (info
);
4252 BFD_ASSERT (htab
!= NULL
);
4254 if (bfd_link_pic (info
))
4256 plt_entry
= sparc_vxworks_shared_plt_entry
;
4261 plt_entry
= sparc_vxworks_exec_plt_entry
;
4262 got_base
= (htab
->elf
.hgot
->root
.u
.def
.value
4263 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4264 + htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
);
4267 /* Fill in the entry in the procedure linkage table. */
4268 bfd_put_32 (output_bfd
, plt_entry
[0] + ((got_base
+ got_offset
) >> 10),
4269 htab
->elf
.splt
->contents
+ plt_offset
);
4270 bfd_put_32 (output_bfd
, plt_entry
[1] + ((got_base
+ got_offset
) & 0x3ff),
4271 htab
->elf
.splt
->contents
+ plt_offset
+ 4);
4272 bfd_put_32 (output_bfd
, plt_entry
[2],
4273 htab
->elf
.splt
->contents
+ plt_offset
+ 8);
4274 bfd_put_32 (output_bfd
, plt_entry
[3],
4275 htab
->elf
.splt
->contents
+ plt_offset
+ 12);
4276 bfd_put_32 (output_bfd
, plt_entry
[4],
4277 htab
->elf
.splt
->contents
+ plt_offset
+ 16);
4278 bfd_put_32 (output_bfd
, plt_entry
[5] + (plt_index
>> 10),
4279 htab
->elf
.splt
->contents
+ plt_offset
+ 20);
4280 /* PC-relative displacement for a branch to the start of
4282 bfd_put_32 (output_bfd
, plt_entry
[6] + (((-plt_offset
- 24) >> 2)
4284 htab
->elf
.splt
->contents
+ plt_offset
+ 24);
4285 bfd_put_32 (output_bfd
, plt_entry
[7] + (plt_index
& 0x3ff),
4286 htab
->elf
.splt
->contents
+ plt_offset
+ 28);
4288 /* Fill in the .got.plt entry, pointing initially at the
4289 second half of the PLT entry. */
4290 BFD_ASSERT (htab
->elf
.sgotplt
!= NULL
);
4291 bfd_put_32 (output_bfd
,
4292 htab
->elf
.splt
->output_section
->vma
4293 + htab
->elf
.splt
->output_offset
4295 htab
->elf
.sgotplt
->contents
+ got_offset
);
4297 /* Add relocations to .rela.plt.unloaded. */
4298 if (!bfd_link_pic (info
))
4300 loc
= (htab
->srelplt2
->contents
4301 + (2 + 3 * plt_index
) * sizeof (Elf32_External_Rela
));
4303 /* Relocate the initial sethi. */
4304 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4305 + htab
->elf
.splt
->output_offset
4307 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4308 rela
.r_addend
= got_offset
;
4309 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4310 loc
+= sizeof (Elf32_External_Rela
);
4312 /* Likewise the following or. */
4314 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4315 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4316 loc
+= sizeof (Elf32_External_Rela
);
4318 /* Relocate the .got.plt entry. */
4319 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4320 + htab
->elf
.sgotplt
->output_offset
4322 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4323 rela
.r_addend
= plt_offset
+ 20;
4324 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4328 /* Finish up dynamic symbol handling. We set the contents of various
4329 dynamic sections here. */
4332 _bfd_sparc_elf_finish_dynamic_symbol (bfd
*output_bfd
,
4333 struct bfd_link_info
*info
,
4334 struct elf_link_hash_entry
*h
,
4335 Elf_Internal_Sym
*sym
)
4337 struct _bfd_sparc_elf_link_hash_table
*htab
;
4338 const struct elf_backend_data
*bed
;
4339 struct _bfd_sparc_elf_link_hash_entry
*eh
;
4340 bfd_boolean local_undefweak
;
4342 htab
= _bfd_sparc_elf_hash_table (info
);
4343 BFD_ASSERT (htab
!= NULL
);
4344 bed
= get_elf_backend_data (output_bfd
);
4346 eh
= (struct _bfd_sparc_elf_link_hash_entry
*) h
;
4348 /* We keep PLT/GOT entries without dynamic PLT/GOT relocations for
4349 resolved undefined weak symbols in executable so that their
4350 references have value 0 at run-time. */
4351 local_undefweak
= UNDEFINED_WEAK_RESOLVED_TO_ZERO (info
, eh
);
4353 if (h
->plt
.offset
!= (bfd_vma
) -1)
4357 Elf_Internal_Rela rela
;
4359 bfd_vma r_offset
, got_offset
;
4362 /* When building a static executable, use .iplt and
4363 .rela.iplt sections for STT_GNU_IFUNC symbols. */
4364 if (htab
->elf
.splt
!= NULL
)
4366 splt
= htab
->elf
.splt
;
4367 srela
= htab
->elf
.srelplt
;
4371 splt
= htab
->elf
.iplt
;
4372 srela
= htab
->elf
.irelplt
;
4375 if (splt
== NULL
|| srela
== NULL
)
4378 /* Fill in the entry in the .rela.plt section. */
4379 if (htab
->is_vxworks
)
4381 /* Work out the index of this PLT entry. */
4382 rela_index
= ((h
->plt
.offset
- htab
->plt_header_size
)
4383 / htab
->plt_entry_size
);
4385 /* Calculate the offset of the associated .got.plt entry.
4386 The first three entries are reserved. */
4387 got_offset
= (rela_index
+ 3) * 4;
4389 sparc_vxworks_build_plt_entry (output_bfd
, info
, h
->plt
.offset
,
4390 rela_index
, got_offset
);
4393 /* On VxWorks, the relocation points to the .got.plt entry,
4394 not the .plt entry. */
4395 rela
.r_offset
= (htab
->elf
.sgotplt
->output_section
->vma
4396 + htab
->elf
.sgotplt
->output_offset
4399 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4404 bfd_boolean ifunc
= FALSE
;
4406 /* Fill in the entry in the procedure linkage table. */
4407 rela_index
= SPARC_ELF_BUILD_PLT_ENTRY (htab
, output_bfd
, splt
,
4408 h
->plt
.offset
, splt
->size
,
4413 || ((bfd_link_executable (info
)
4414 || ELF_ST_VISIBILITY (h
->other
) != STV_DEFAULT
)
4416 && h
->type
== STT_GNU_IFUNC
))
4419 BFD_ASSERT (h
== NULL
4420 || (h
->type
== STT_GNU_IFUNC
4422 && (h
->root
.type
== bfd_link_hash_defined
4423 || h
->root
.type
== bfd_link_hash_defweak
)));
4426 rela
.r_offset
= r_offset
4427 + (splt
->output_section
->vma
+ splt
->output_offset
);
4428 if (ABI_64_P (output_bfd
)
4429 && h
->plt
.offset
>= (PLT64_LARGE_THRESHOLD
* PLT64_ENTRY_SIZE
))
4433 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4434 + h
->root
.u
.def
.section
->output_offset
4435 + h
->root
.u
.def
.value
);
4436 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4441 rela
.r_addend
= (-(h
->plt
.offset
+ 4)
4442 - splt
->output_section
->vma
4443 - splt
->output_offset
);
4444 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4452 rela
.r_addend
= (h
->root
.u
.def
.section
->output_section
->vma
4453 + h
->root
.u
.def
.section
->output_offset
4454 + h
->root
.u
.def
.value
);
4455 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0,
4461 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
,
4467 /* Adjust for the first 4 reserved elements in the .plt section
4468 when setting the offset in the .rela.plt section.
4469 Sun forgot to read their own ABI and copied elf32-sparc behaviour,
4470 thus .plt[4] has corresponding .rela.plt[0] and so on. */
4472 loc
= srela
->contents
;
4473 loc
+= rela_index
* bed
->s
->sizeof_rela
;
4474 bed
->s
->swap_reloca_out (output_bfd
, &rela
, loc
);
4476 if (!local_undefweak
4479 /* Mark the symbol as undefined, rather than as defined in
4480 the .plt section. Leave the value alone. */
4481 sym
->st_shndx
= SHN_UNDEF
;
4482 /* If the symbol is weak, we do need to clear the value.
4483 Otherwise, the PLT entry would provide a definition for
4484 the symbol even if the symbol wasn't defined anywhere,
4485 and so the symbol would never be NULL. */
4486 if (!h
->ref_regular_nonweak
)
4491 /* Don't generate dynamic GOT relocation against undefined weak
4492 symbol in executable. */
4493 if (h
->got
.offset
!= (bfd_vma
) -1
4494 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_GD
4495 && _bfd_sparc_elf_hash_entry(h
)->tls_type
!= GOT_TLS_IE
4496 && !local_undefweak
)
4500 Elf_Internal_Rela rela
;
4502 /* This symbol has an entry in the GOT. Set it up. */
4504 sgot
= htab
->elf
.sgot
;
4505 srela
= htab
->elf
.srelgot
;
4506 BFD_ASSERT (sgot
!= NULL
&& srela
!= NULL
);
4508 rela
.r_offset
= (sgot
->output_section
->vma
4509 + sgot
->output_offset
4510 + (h
->got
.offset
&~ (bfd_vma
) 1));
4512 /* If this is a -Bsymbolic link, and the symbol is defined
4513 locally, we just want to emit a RELATIVE reloc. Likewise if
4514 the symbol was forced to be local because of a version file.
4515 The entry in the global offset table will already have been
4516 initialized in the relocate_section function. */
4517 if (! bfd_link_pic (info
)
4518 && h
->type
== STT_GNU_IFUNC
4523 /* We load the GOT entry with the PLT entry. */
4524 plt
= htab
->elf
.splt
? htab
->elf
.splt
: htab
->elf
.iplt
;
4525 SPARC_ELF_PUT_WORD (htab
, output_bfd
,
4526 (plt
->output_section
->vma
4527 + plt
->output_offset
+ h
->plt
.offset
),
4528 htab
->elf
.sgot
->contents
4529 + (h
->got
.offset
& ~(bfd_vma
) 1));
4532 else if (bfd_link_pic (info
)
4533 && SYMBOL_REFERENCES_LOCAL (info
, h
))
4535 asection
*sec
= h
->root
.u
.def
.section
;
4536 if (h
->type
== STT_GNU_IFUNC
)
4537 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_IRELATIVE
);
4539 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, 0, R_SPARC_RELATIVE
);
4540 rela
.r_addend
= (h
->root
.u
.def
.value
4541 + sec
->output_section
->vma
4542 + sec
->output_offset
);
4546 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_GLOB_DAT
);
4550 SPARC_ELF_PUT_WORD (htab
, output_bfd
, 0,
4551 sgot
->contents
+ (h
->got
.offset
& ~(bfd_vma
) 1));
4552 sparc_elf_append_rela (output_bfd
, srela
, &rela
);
4558 Elf_Internal_Rela rela
;
4560 /* This symbols needs a copy reloc. Set it up. */
4561 BFD_ASSERT (h
->dynindx
!= -1);
4563 rela
.r_offset
= (h
->root
.u
.def
.value
4564 + h
->root
.u
.def
.section
->output_section
->vma
4565 + h
->root
.u
.def
.section
->output_offset
);
4566 rela
.r_info
= SPARC_ELF_R_INFO (htab
, NULL
, h
->dynindx
, R_SPARC_COPY
);
4568 if (h
->root
.u
.def
.section
== htab
->elf
.sdynrelro
)
4569 s
= htab
->elf
.sreldynrelro
;
4571 s
= htab
->elf
.srelbss
;
4572 sparc_elf_append_rela (output_bfd
, s
, &rela
);
4575 /* Mark some specially defined symbols as absolute. On VxWorks,
4576 _GLOBAL_OFFSET_TABLE_ is not absolute: it is relative to the
4577 ".got" section. Likewise _PROCEDURE_LINKAGE_TABLE_ and ".plt". */
4579 && (h
== htab
->elf
.hdynamic
4580 || (!htab
->is_vxworks
4581 && (h
== htab
->elf
.hgot
|| h
== htab
->elf
.hplt
))))
4582 sym
->st_shndx
= SHN_ABS
;
4587 /* Finish up the dynamic sections. */
4590 sparc_finish_dyn (bfd
*output_bfd
, struct bfd_link_info
*info
,
4591 bfd
*dynobj
, asection
*sdyn
,
4592 asection
*splt ATTRIBUTE_UNUSED
)
4594 struct _bfd_sparc_elf_link_hash_table
*htab
;
4595 const struct elf_backend_data
*bed
;
4596 bfd_byte
*dyncon
, *dynconend
;
4598 int stt_regidx
= -1;
4599 bfd_boolean abi_64_p
;
4601 htab
= _bfd_sparc_elf_hash_table (info
);
4602 BFD_ASSERT (htab
!= NULL
);
4603 bed
= get_elf_backend_data (output_bfd
);
4604 dynsize
= bed
->s
->sizeof_dyn
;
4605 dynconend
= sdyn
->contents
+ sdyn
->size
;
4606 abi_64_p
= ABI_64_P (output_bfd
);
4607 for (dyncon
= sdyn
->contents
; dyncon
< dynconend
; dyncon
+= dynsize
)
4609 Elf_Internal_Dyn dyn
;
4612 bed
->s
->swap_dyn_in (dynobj
, dyncon
, &dyn
);
4614 if (htab
->is_vxworks
&& dyn
.d_tag
== DT_PLTGOT
)
4616 /* On VxWorks, DT_PLTGOT should point to the start of the GOT,
4617 not to the start of the PLT. */
4618 if (htab
->elf
.sgotplt
)
4620 dyn
.d_un
.d_val
= (htab
->elf
.sgotplt
->output_section
->vma
4621 + htab
->elf
.sgotplt
->output_offset
);
4622 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4625 else if (htab
->is_vxworks
4626 && elf_vxworks_finish_dynamic_entry (output_bfd
, &dyn
))
4627 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4628 else if (abi_64_p
&& dyn
.d_tag
== DT_SPARC_REGISTER
)
4630 if (stt_regidx
== -1)
4633 _bfd_elf_link_lookup_local_dynindx (info
, output_bfd
, -1);
4634 if (stt_regidx
== -1)
4637 dyn
.d_un
.d_val
= stt_regidx
++;
4638 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4651 s
= htab
->elf
.srelplt
;
4655 s
= htab
->elf
.srelplt
;
4667 dyn
.d_un
.d_ptr
= s
->output_section
->vma
+ s
->output_offset
;
4669 dyn
.d_un
.d_val
= s
->size
;
4671 bed
->s
->swap_dyn_out (output_bfd
, &dyn
, dyncon
);
4677 /* Install the first PLT entry in a VxWorks executable and make sure that
4678 .rela.plt.unloaded relocations have the correct symbol indexes. */
4681 sparc_vxworks_finish_exec_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4683 struct _bfd_sparc_elf_link_hash_table
*htab
;
4684 Elf_Internal_Rela rela
;
4688 htab
= _bfd_sparc_elf_hash_table (info
);
4689 BFD_ASSERT (htab
!= NULL
);
4691 /* Calculate the absolute value of _GLOBAL_OFFSET_TABLE_. */
4692 got_base
= (htab
->elf
.hgot
->root
.u
.def
.section
->output_section
->vma
4693 + htab
->elf
.hgot
->root
.u
.def
.section
->output_offset
4694 + htab
->elf
.hgot
->root
.u
.def
.value
);
4696 /* Install the initial PLT entry. */
4697 bfd_put_32 (output_bfd
,
4698 sparc_vxworks_exec_plt0_entry
[0] + ((got_base
+ 8) >> 10),
4699 htab
->elf
.splt
->contents
);
4700 bfd_put_32 (output_bfd
,
4701 sparc_vxworks_exec_plt0_entry
[1] + ((got_base
+ 8) & 0x3ff),
4702 htab
->elf
.splt
->contents
+ 4);
4703 bfd_put_32 (output_bfd
,
4704 sparc_vxworks_exec_plt0_entry
[2],
4705 htab
->elf
.splt
->contents
+ 8);
4706 bfd_put_32 (output_bfd
,
4707 sparc_vxworks_exec_plt0_entry
[3],
4708 htab
->elf
.splt
->contents
+ 12);
4709 bfd_put_32 (output_bfd
,
4710 sparc_vxworks_exec_plt0_entry
[4],
4711 htab
->elf
.splt
->contents
+ 16);
4713 loc
= htab
->srelplt2
->contents
;
4715 /* Add an unloaded relocation for the initial entry's "sethi". */
4716 rela
.r_offset
= (htab
->elf
.splt
->output_section
->vma
4717 + htab
->elf
.splt
->output_offset
);
4718 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4720 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4721 loc
+= sizeof (Elf32_External_Rela
);
4723 /* Likewise the following "or". */
4725 rela
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4726 bfd_elf32_swap_reloca_out (output_bfd
, &rela
, loc
);
4727 loc
+= sizeof (Elf32_External_Rela
);
4729 /* Fix up the remaining .rela.plt.unloaded relocations. They may have
4730 the wrong symbol index for _G_O_T_ or _P_L_T_ depending on the order
4731 in which symbols were output. */
4732 while (loc
< htab
->srelplt2
->contents
+ htab
->srelplt2
->size
)
4734 Elf_Internal_Rela rel
;
4736 /* The entry's initial "sethi" (against _G_O_T_). */
4737 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4738 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_HI22
);
4739 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4740 loc
+= sizeof (Elf32_External_Rela
);
4742 /* The following "or" (also against _G_O_T_). */
4743 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4744 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hgot
->indx
, R_SPARC_LO10
);
4745 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4746 loc
+= sizeof (Elf32_External_Rela
);
4748 /* The .got.plt entry (against _P_L_T_). */
4749 bfd_elf32_swap_reloc_in (output_bfd
, loc
, &rel
);
4750 rel
.r_info
= ELF32_R_INFO (htab
->elf
.hplt
->indx
, R_SPARC_32
);
4751 bfd_elf32_swap_reloc_out (output_bfd
, &rel
, loc
);
4752 loc
+= sizeof (Elf32_External_Rela
);
4756 /* Install the first PLT entry in a VxWorks shared object. */
4759 sparc_vxworks_finish_shared_plt (bfd
*output_bfd
, struct bfd_link_info
*info
)
4761 struct _bfd_sparc_elf_link_hash_table
*htab
;
4764 htab
= _bfd_sparc_elf_hash_table (info
);
4765 BFD_ASSERT (htab
!= NULL
);
4767 for (i
= 0; i
< ARRAY_SIZE (sparc_vxworks_shared_plt0_entry
); i
++)
4768 bfd_put_32 (output_bfd
, sparc_vxworks_shared_plt0_entry
[i
],
4769 htab
->elf
.splt
->contents
+ i
* 4);
4772 /* Finish up local dynamic symbol handling. We set the contents of
4773 various dynamic sections here. */
4776 finish_local_dynamic_symbol (void **slot
, void *inf
)
4778 struct elf_link_hash_entry
*h
4779 = (struct elf_link_hash_entry
*) *slot
;
4780 struct bfd_link_info
*info
4781 = (struct bfd_link_info
*) inf
;
4783 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4787 /* Finish up undefined weak symbol handling in PIE. Fill its PLT entry
4788 here since undefined weak symbol may not be dynamic and may not be
4789 called for _bfd_sparc_elf_finish_dynamic_symbol. */
4792 pie_finish_undefweak_symbol (struct bfd_hash_entry
*bh
,
4795 struct elf_link_hash_entry
*h
= (struct elf_link_hash_entry
*) bh
;
4796 struct bfd_link_info
*info
= (struct bfd_link_info
*) inf
;
4798 if (h
->root
.type
!= bfd_link_hash_undefweak
4799 || h
->dynindx
!= -1)
4802 return _bfd_sparc_elf_finish_dynamic_symbol (info
->output_bfd
, info
,
4807 _bfd_sparc_elf_finish_dynamic_sections (bfd
*output_bfd
, struct bfd_link_info
*info
)
4811 struct _bfd_sparc_elf_link_hash_table
*htab
;
4813 htab
= _bfd_sparc_elf_hash_table (info
);
4814 BFD_ASSERT (htab
!= NULL
);
4815 dynobj
= htab
->elf
.dynobj
;
4817 sdyn
= bfd_get_linker_section (dynobj
, ".dynamic");
4819 if (elf_hash_table (info
)->dynamic_sections_created
)
4823 splt
= htab
->elf
.splt
;
4824 BFD_ASSERT (splt
!= NULL
&& sdyn
!= NULL
);
4826 if (!sparc_finish_dyn (output_bfd
, info
, dynobj
, sdyn
, splt
))
4829 /* Initialize the contents of the .plt section. */
4832 if (htab
->is_vxworks
)
4834 if (bfd_link_pic (info
))
4835 sparc_vxworks_finish_shared_plt (output_bfd
, info
);
4837 sparc_vxworks_finish_exec_plt (output_bfd
, info
);
4841 memset (splt
->contents
, 0, htab
->plt_header_size
);
4842 if (!ABI_64_P (output_bfd
))
4843 bfd_put_32 (output_bfd
, (bfd_vma
) SPARC_NOP
,
4844 splt
->contents
+ splt
->size
- 4);
4848 if (elf_section_data (splt
->output_section
) != NULL
)
4849 elf_section_data (splt
->output_section
)->this_hdr
.sh_entsize
4850 = ((htab
->is_vxworks
|| !ABI_64_P (output_bfd
))
4851 ? 0 : htab
->plt_entry_size
);
4854 /* Set the first entry in the global offset table to the address of
4855 the dynamic section. */
4856 if (htab
->elf
.sgot
&& htab
->elf
.sgot
->size
> 0)
4858 bfd_vma val
= (sdyn
?
4859 sdyn
->output_section
->vma
+ sdyn
->output_offset
:
4862 SPARC_ELF_PUT_WORD (htab
, output_bfd
, val
, htab
->elf
.sgot
->contents
);
4866 elf_section_data (htab
->elf
.sgot
->output_section
)->this_hdr
.sh_entsize
=
4867 SPARC_ELF_WORD_BYTES (htab
);
4869 /* Fill PLT and GOT entries for local STT_GNU_IFUNC symbols. */
4870 htab_traverse (htab
->loc_hash_table
, finish_local_dynamic_symbol
, info
);
4872 /* Fill PLT entries for undefined weak symbols in PIE. */
4873 if (bfd_link_pie (info
))
4874 bfd_hash_traverse (&info
->hash
->table
,
4875 pie_finish_undefweak_symbol
,
4881 /* Set the right machine number for a SPARC ELF file. */
4884 _bfd_sparc_elf_object_p (bfd
*abfd
)
4886 obj_attribute
*attrs
= elf_known_obj_attributes (abfd
)[OBJ_ATTR_GNU
];
4887 obj_attribute
*hwcaps
= &attrs
[Tag_GNU_Sparc_HWCAPS
];
4888 obj_attribute
*hwcaps2
= &attrs
[Tag_GNU_Sparc_HWCAPS2
];
4890 unsigned int v9c_hwcaps_mask
= ELF_SPARC_HWCAP_ASI_BLK_INIT
;
4891 unsigned int v9d_hwcaps_mask
= (ELF_SPARC_HWCAP_FMAF
4892 | ELF_SPARC_HWCAP_VIS3
4893 | ELF_SPARC_HWCAP_HPC
);
4894 unsigned int v9e_hwcaps_mask
= (ELF_SPARC_HWCAP_AES
4895 | ELF_SPARC_HWCAP_DES
4896 | ELF_SPARC_HWCAP_KASUMI
4897 | ELF_SPARC_HWCAP_CAMELLIA
4898 | ELF_SPARC_HWCAP_MD5
4899 | ELF_SPARC_HWCAP_SHA1
4900 | ELF_SPARC_HWCAP_SHA256
4901 | ELF_SPARC_HWCAP_SHA512
4902 | ELF_SPARC_HWCAP_MPMUL
4903 | ELF_SPARC_HWCAP_MONT
4904 | ELF_SPARC_HWCAP_CRC32C
4905 | ELF_SPARC_HWCAP_CBCOND
4906 | ELF_SPARC_HWCAP_PAUSE
);
4907 unsigned int v9v_hwcaps_mask
= (ELF_SPARC_HWCAP_FJFMAU
4908 | ELF_SPARC_HWCAP_IMA
);
4909 unsigned int v9m_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC5
4910 | ELF_SPARC_HWCAP2_MWAIT
4911 | ELF_SPARC_HWCAP2_XMPMUL
4912 | ELF_SPARC_HWCAP2_XMONT
);
4913 unsigned int m8_hwcaps2_mask
= (ELF_SPARC_HWCAP2_SPARC6
4914 | ELF_SPARC_HWCAP2_ONADDSUB
4915 | ELF_SPARC_HWCAP2_ONMUL
4916 | ELF_SPARC_HWCAP2_ONDIV
4917 | ELF_SPARC_HWCAP2_DICTUNP
4918 | ELF_SPARC_HWCAP2_FPCMPSHL
4919 | ELF_SPARC_HWCAP2_RLE
4920 | ELF_SPARC_HWCAP2_SHA3
);
4922 if (ABI_64_P (abfd
))
4924 unsigned long mach
= bfd_mach_sparc_v9
;
4926 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4927 mach
= bfd_mach_sparc_v9m8
;
4928 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4929 mach
= bfd_mach_sparc_v9m
;
4930 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4931 mach
= bfd_mach_sparc_v9v
;
4932 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4933 mach
= bfd_mach_sparc_v9e
;
4934 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4935 mach
= bfd_mach_sparc_v9d
;
4936 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4937 mach
= bfd_mach_sparc_v9c
;
4938 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4939 mach
= bfd_mach_sparc_v9b
;
4940 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4941 mach
= bfd_mach_sparc_v9a
;
4942 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, mach
);
4946 if (elf_elfheader (abfd
)->e_machine
== EM_SPARC32PLUS
)
4948 if (hwcaps2
->i
& m8_hwcaps2_mask
)
4949 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4950 bfd_mach_sparc_v8plusm8
);
4951 else if (hwcaps2
->i
& v9m_hwcaps2_mask
)
4952 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4953 bfd_mach_sparc_v8plusm
);
4954 else if (hwcaps
->i
& v9v_hwcaps_mask
)
4955 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4956 bfd_mach_sparc_v8plusv
);
4957 else if (hwcaps
->i
& v9e_hwcaps_mask
)
4958 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4959 bfd_mach_sparc_v8pluse
);
4960 else if (hwcaps
->i
& v9d_hwcaps_mask
)
4961 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4962 bfd_mach_sparc_v8plusd
);
4963 else if (hwcaps
->i
& v9c_hwcaps_mask
)
4964 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4965 bfd_mach_sparc_v8plusc
);
4966 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US3
)
4967 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4968 bfd_mach_sparc_v8plusb
);
4969 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_SUN_US1
)
4970 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4971 bfd_mach_sparc_v8plusa
);
4972 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_32PLUS
)
4973 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4974 bfd_mach_sparc_v8plus
);
4978 else if (elf_elfheader (abfd
)->e_flags
& EF_SPARC_LEDATA
)
4979 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
,
4980 bfd_mach_sparc_sparclite_le
);
4982 return bfd_default_set_arch_mach (abfd
, bfd_arch_sparc
, bfd_mach_sparc
);
4986 /* Return address for Ith PLT stub in section PLT, for relocation REL
4987 or (bfd_vma) -1 if it should not be included. */
4990 _bfd_sparc_elf_plt_sym_val (bfd_vma i
, const asection
*plt
, const arelent
*rel
)
4992 if (ABI_64_P (plt
->owner
))
4996 i
+= PLT64_HEADER_SIZE
/ PLT64_ENTRY_SIZE
;
4997 if (i
< PLT64_LARGE_THRESHOLD
)
4998 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
;
5000 j
= (i
- PLT64_LARGE_THRESHOLD
) % 160;
5002 return plt
->vma
+ i
* PLT64_ENTRY_SIZE
+ j
* 4 * 6;
5005 return rel
->address
;
5008 /* Merge backend specific data from an object file to the output
5009 object file when linking. */
5012 _bfd_sparc_elf_merge_private_bfd_data (bfd
*ibfd
, struct bfd_link_info
*info
)
5014 bfd
*obfd
= info
->output_bfd
;
5015 obj_attribute
*in_attr
, *in_attrs
;
5016 obj_attribute
*out_attr
, *out_attrs
;
5018 if (!elf_known_obj_attributes_proc (obfd
)[0].i
)
5020 /* This is the first object. Copy the attributes. */
5021 _bfd_elf_copy_obj_attributes (ibfd
, obfd
);
5023 /* Use the Tag_null value to indicate the attributes have been
5025 elf_known_obj_attributes_proc (obfd
)[0].i
= 1;
5030 in_attrs
= elf_known_obj_attributes (ibfd
)[OBJ_ATTR_GNU
];
5031 out_attrs
= elf_known_obj_attributes (obfd
)[OBJ_ATTR_GNU
];
5033 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS
];
5034 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS
];
5036 out_attr
->i
|= in_attr
->i
;
5039 in_attr
= &in_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5040 out_attr
= &out_attrs
[Tag_GNU_Sparc_HWCAPS2
];
5042 out_attr
->i
|= in_attr
->i
;
5045 /* Merge Tag_compatibility attributes and any common GNU ones. */
5046 _bfd_elf_merge_object_attributes (ibfd
, info
);