projects / deliverable / binutils-gdb.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
x86: Define GNU_PROPERTY_X86_ISA_1_AVX512_BF16
[deliverable/binutils-gdb.git] / bfd / elf32-s390.c
CommitLineData
a85d7ed0 1/* IBM S/390-specific support for 32-bit ELF
82704155 2 Copyright (C) 2000-2019 Free Software Foundation, Inc.
a85d7ed0
NC		 3 Contributed by Carl B. Pedersen and Martin Schwidefsky.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
cd123cb7 9 the Free Software Foundation; either version 3 of the License, or
a85d7ed0
NC		 10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
3e110533 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
53e09e0a 20 02110-1301, USA. */
a85d7ed0 21
a85d7ed0 22#include "sysdep.h"
3db64b00 23#include "bfd.h"
a85d7ed0
NC		 24#include "bfdlink.h"
25#include "libbfd.h"
26#include "elf-bfd.h"
a85d7ed0 27#include "elf/s390.h"
e3e9290d 28#include <stdarg.h>
a85d7ed0 29
2c3fc389
NC		 30static bfd_reloc_status_type
31s390_tls_reloc (bfd *, arelent *, asymbol *, void *,
32 asection *, bfd *, char **);
33static bfd_reloc_status_type
34s390_elf_ldisp_reloc (bfd *, arelent *, asymbol *, void *,
35 asection *, bfd *, char **);
36
a85d7ed0
NC		 37/* The relocation "howto" table. */
38
39static reloc_howto_type elf_howto_table[] =
40{
41 HOWTO (R_390_NONE, /* type */
42 0, /* rightshift */
6346d5ca 43 3, /* size (0 = byte, 1 = 2 byte, 2 = 4 byte) */
a85d7ed0 44 0, /* bitsize */
b34976b6 45 FALSE, /* pc_relative */
a85d7ed0
NC		 46 0, /* bitpos */
47 complain_overflow_dont, /* complain_on_overflow */
48 bfd_elf_generic_reloc, /* special_function */
49 "R_390_NONE", /* name */
b34976b6 50 FALSE, /* partial_inplace */
a85d7ed0
NC		 51 0, /* src_mask */
52 0, /* dst_mask */
b34976b6
AM		 53 FALSE), /* pcrel_offset */
54
07d6d2b8
AM		 55 HOWTO(R_390_8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,
56 bfd_elf_generic_reloc, "R_390_8", FALSE, 0,0x000000ff, FALSE),
57 HOWTO(R_390_12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
58 bfd_elf_generic_reloc, "R_390_12", FALSE, 0,0x00000fff, FALSE),
59 HOWTO(R_390_16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
60 bfd_elf_generic_reloc, "R_390_16", FALSE, 0,0x0000ffff, FALSE),
61 HOWTO(R_390_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
62 bfd_elf_generic_reloc, "R_390_32", FALSE, 0,0xffffffff, FALSE),
5236c819 63 HOWTO(R_390_PC32, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
07d6d2b8 64 bfd_elf_generic_reloc, "R_390_PC32", FALSE, 0,0xffffffff, TRUE),
15f8604d 65 HOWTO(R_390_GOT12, 0, 1, 12, FALSE, 0, complain_overflow_bitfield,
07d6d2b8 66 bfd_elf_generic_reloc, "R_390_GOT12", FALSE, 0,0x00000fff, FALSE),
5236c819 67 HOWTO(R_390_GOT32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
07d6d2b8 68 bfd_elf_generic_reloc, "R_390_GOT32", FALSE, 0,0xffffffff, FALSE),
5236c819 69 HOWTO(R_390_PLT32, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
07d6d2b8
AM		 70 bfd_elf_generic_reloc, "R_390_PLT32", FALSE, 0,0xffffffff, TRUE),
71 HOWTO(R_390_COPY, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
72 bfd_elf_generic_reloc, "R_390_COPY", FALSE, 0,0xffffffff, FALSE),
73 HOWTO(R_390_GLOB_DAT, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
5236c819 74 bfd_elf_generic_reloc, "R_390_GLOB_DAT", FALSE, 0,0xffffffff, FALSE),
07d6d2b8 75 HOWTO(R_390_JMP_SLOT, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
5236c819 76 bfd_elf_generic_reloc, "R_390_JMP_SLOT", FALSE, 0,0xffffffff, FALSE),
07d6d2b8 77 HOWTO(R_390_RELATIVE, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
5236c819 78 bfd_elf_generic_reloc, "R_390_RELATIVE", FALSE, 0,0xffffffff, FALSE),
07d6d2b8 79 HOWTO(R_390_GOTOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
5236c819 80 bfd_elf_generic_reloc, "R_390_GOTOFF32", FALSE, 0,0xffffffff, FALSE),
07d6d2b8
AM		 81 HOWTO(R_390_GOTPC, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
82 bfd_elf_generic_reloc, "R_390_GOTPC", FALSE, 0,0xffffffff, TRUE),
83 HOWTO(R_390_GOT16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
84 bfd_elf_generic_reloc, "R_390_GOT16", FALSE, 0,0x0000ffff, FALSE),
85 HOWTO(R_390_PC16, 0, 1, 16, TRUE, 0, complain_overflow_bitfield,
86 bfd_elf_generic_reloc, "R_390_PC16", FALSE, 0,0x0000ffff, TRUE),
87 HOWTO(R_390_PC16DBL, 1, 1, 16, TRUE, 0, complain_overflow_bitfield,
88 bfd_elf_generic_reloc, "R_390_PC16DBL", FALSE, 0,0x0000ffff, TRUE),
89 HOWTO(R_390_PLT16DBL, 1, 1, 16, TRUE, 0, complain_overflow_bitfield,
5236c819
MS		 90 bfd_elf_generic_reloc, "R_390_PLT16DBL", FALSE, 0,0x0000ffff, TRUE),
91 HOWTO(R_390_PC32DBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
07d6d2b8 92 bfd_elf_generic_reloc, "R_390_PC32DBL", FALSE, 0,0xffffffff, TRUE),
5236c819
MS		 93 HOWTO(R_390_PLT32DBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
94 bfd_elf_generic_reloc, "R_390_PLT32DBL", FALSE, 0,0xffffffff, TRUE),
07d6d2b8 95 HOWTO(R_390_GOTPCDBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
5236c819
MS		 96 bfd_elf_generic_reloc, "R_390_GOTPCDBL", FALSE, 0,0xffffffff, TRUE),
97 EMPTY_HOWTO (R_390_64), /* Empty entry for R_390_64. */
98 EMPTY_HOWTO (R_390_PC64), /* Empty entry for R_390_PC64. */
99 EMPTY_HOWTO (R_390_GOT64), /* Empty entry for R_390_GOT64. */
100 EMPTY_HOWTO (R_390_PLT64), /* Empty entry for R_390_PLT64. */
101 HOWTO(R_390_GOTENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
07d6d2b8
AM		 102 bfd_elf_generic_reloc, "R_390_GOTENT", FALSE, 0,0xffffffff, TRUE),
103 HOWTO(R_390_GOTOFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
5236c819
MS		 104 bfd_elf_generic_reloc, "R_390_GOTOFF16", FALSE, 0,0x0000ffff, FALSE),
105 EMPTY_HOWTO (R_390_GOTOFF64), /* Empty entry for R_390_GOTOFF64. */
07d6d2b8 106 HOWTO(R_390_GOTPLT12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
5236c819 107 bfd_elf_generic_reloc, "R_390_GOTPLT12", FALSE, 0,0x00000fff, FALSE),
07d6d2b8 108 HOWTO(R_390_GOTPLT16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
5236c819 109 bfd_elf_generic_reloc, "R_390_GOTPLT16", FALSE, 0,0x0000ffff, FALSE),
07d6d2b8 110 HOWTO(R_390_GOTPLT32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
5236c819
MS		 111 bfd_elf_generic_reloc, "R_390_GOTPLT32", FALSE, 0,0xffffffff, FALSE),
112 EMPTY_HOWTO (R_390_GOTPLT64), /* Empty entry for R_390_GOTPLT64. */
113 HOWTO(R_390_GOTPLTENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
114 bfd_elf_generic_reloc, "R_390_GOTPLTENT",FALSE, 0,0xffffffff, TRUE),
07d6d2b8 115 HOWTO(R_390_PLTOFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
5236c819 116 bfd_elf_generic_reloc, "R_390_PLTOFF16", FALSE, 0,0x0000ffff, FALSE),
07d6d2b8 117 HOWTO(R_390_PLTOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
5236c819
MS		 118 bfd_elf_generic_reloc, "R_390_PLTOFF32", FALSE, 0,0xffffffff, FALSE),
119 EMPTY_HOWTO (R_390_PLTOFF64), /* Empty entry for R_390_PLTOFF64. */
69fc87f1
MS		 120 HOWTO(R_390_TLS_LOAD, 0, 0, 0, FALSE, 0, complain_overflow_dont,
121 s390_tls_reloc, "R_390_TLS_LOAD", FALSE, 0, 0, FALSE),
122 HOWTO(R_390_TLS_GDCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
123 s390_tls_reloc, "R_390_TLS_GDCALL", FALSE, 0, 0, FALSE),
124 HOWTO(R_390_TLS_LDCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
125 s390_tls_reloc, "R_390_TLS_LDCALL", FALSE, 0, 0, FALSE),
126 HOWTO(R_390_TLS_GD32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
127 bfd_elf_generic_reloc, "R_390_TLS_GD32", FALSE, 0, 0xffffffff, FALSE),
128 EMPTY_HOWTO (R_390_TLS_GD64), /* Empty entry for R_390_TLS_GD64. */
129 HOWTO(R_390_TLS_GOTIE12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
130 bfd_elf_generic_reloc, "R_390_TLS_GOTIE12", FALSE, 0, 0x00000fff, FALSE),
131 HOWTO(R_390_TLS_GOTIE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
132 bfd_elf_generic_reloc, "R_390_TLS_GOTIE32", FALSE, 0, 0xffffffff, FALSE),
133 EMPTY_HOWTO (R_390_TLS_GOTIE64), /* Empty entry for R_390_TLS_GOTIE64. */
134 HOWTO(R_390_TLS_LDM32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
135 bfd_elf_generic_reloc, "R_390_TLS_LDM32", FALSE, 0, 0xffffffff, FALSE),
136 EMPTY_HOWTO (R_390_TLS_LDM64), /* Empty entry for R_390_TLS_LDM64. */
137 HOWTO(R_390_TLS_IE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
138 bfd_elf_generic_reloc, "R_390_TLS_IE32", FALSE, 0, 0xffffffff, FALSE),
139 EMPTY_HOWTO (R_390_TLS_IE64), /* Empty entry for R_390_TLS_IE64. */
140 HOWTO(R_390_TLS_IEENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
141 bfd_elf_generic_reloc, "R_390_TLS_IEENT", FALSE, 0, 0xffffffff, TRUE),
142 HOWTO(R_390_TLS_LE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
143 bfd_elf_generic_reloc, "R_390_TLS_LE32", FALSE, 0, 0xffffffff, FALSE),
144 EMPTY_HOWTO (R_390_TLS_LE64), /* Empty entry for R_390_TLS_LE64. */
145 HOWTO(R_390_TLS_LDO32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
146 bfd_elf_generic_reloc, "R_390_TLS_LDO32", FALSE, 0, 0xffffffff, FALSE),
147 EMPTY_HOWTO (R_390_TLS_LDO64), /* Empty entry for R_390_TLS_LDO64. */
148 HOWTO(R_390_TLS_DTPMOD, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
149 bfd_elf_generic_reloc, "R_390_TLS_DTPMOD", FALSE, 0, 0xffffffff, FALSE),
150 HOWTO(R_390_TLS_DTPOFF, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
151 bfd_elf_generic_reloc, "R_390_TLS_DTPOFF", FALSE, 0, 0xffffffff, FALSE),
152 HOWTO(R_390_TLS_TPOFF, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
153 bfd_elf_generic_reloc, "R_390_TLS_TPOFF", FALSE, 0, 0xffffffff, FALSE),
07d6d2b8 154 HOWTO(R_390_20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
bd1ea41b
MS		 155 s390_elf_ldisp_reloc, "R_390_20", FALSE, 0,0x0fffff00, FALSE),
156 HOWTO(R_390_GOT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
157 s390_elf_ldisp_reloc, "R_390_GOT20", FALSE, 0,0x0fffff00, FALSE),
07d6d2b8 158 HOWTO(R_390_GOTPLT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
bd1ea41b
MS		 159 s390_elf_ldisp_reloc, "R_390_GOTPLT20", FALSE, 0,0x0fffff00, FALSE),
160 HOWTO(R_390_TLS_GOTIE20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
161 s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", FALSE, 0,0x0fffff00, FALSE),
470b557a
AK		 162 HOWTO(R_390_IRELATIVE, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
163 bfd_elf_generic_reloc, "R_390_IRELATIVE", FALSE, 0, 0xffffffff, FALSE),
07d6d2b8
AM		 164 HOWTO(R_390_PC12DBL, 1, 1, 12, TRUE, 0, complain_overflow_bitfield,
165 bfd_elf_generic_reloc, "R_390_PC12DBL", FALSE, 0,0x00000fff, TRUE),
fb798c50
AK		 166 HOWTO(R_390_PLT12DBL, 1, 1, 12, TRUE, 0, complain_overflow_bitfield,
167 bfd_elf_generic_reloc, "R_390_PLT12DBL", FALSE, 0,0x00000fff, TRUE),
07d6d2b8
AM		 168 HOWTO(R_390_PC24DBL, 1, 2, 24, TRUE, 0, complain_overflow_bitfield,
169 bfd_elf_generic_reloc, "R_390_PC24DBL", FALSE, 0,0x00ffffff, TRUE),
fb798c50
AK		 170 HOWTO(R_390_PLT24DBL, 1, 2, 24, TRUE, 0, complain_overflow_bitfield,
171 bfd_elf_generic_reloc, "R_390_PLT24DBL", FALSE, 0,0x00ffffff, TRUE),
a85d7ed0
NC		 172};
173
174/* GNU extension to record C++ vtable hierarchy. */
175static reloc_howto_type elf32_s390_vtinherit_howto =
b34976b6 176 HOWTO (R_390_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_390_GNU_VTINHERIT", FALSE,0, 0, FALSE);
a85d7ed0 177static reloc_howto_type elf32_s390_vtentry_howto =
b34976b6 178 HOWTO (R_390_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_390_GNU_VTENTRY", FALSE,0,0, FALSE);
a85d7ed0
NC		 179
180static reloc_howto_type *
2c3fc389
NC		 181elf_s390_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
182 bfd_reloc_code_real_type code)
a85d7ed0 183{
ec338859 184 switch (code)
0451c93c
MS		 185 {
186 case BFD_RELOC_NONE:
187 return &elf_howto_table[(int) R_390_NONE];
188 case BFD_RELOC_8:
189 return &elf_howto_table[(int) R_390_8];
190 case BFD_RELOC_390_12:
191 return &elf_howto_table[(int) R_390_12];
192 case BFD_RELOC_16:
193 return &elf_howto_table[(int) R_390_16];
194 case BFD_RELOC_32:
195 return &elf_howto_table[(int) R_390_32];
196 case BFD_RELOC_CTOR:
197 return &elf_howto_table[(int) R_390_32];
198 case BFD_RELOC_32_PCREL:
199 return &elf_howto_table[(int) R_390_PC32];
200 case BFD_RELOC_390_GOT12:
201 return &elf_howto_table[(int) R_390_GOT12];
202 case BFD_RELOC_32_GOT_PCREL:
203 return &elf_howto_table[(int) R_390_GOT32];
204 case BFD_RELOC_390_PLT32:
205 return &elf_howto_table[(int) R_390_PLT32];
206 case BFD_RELOC_390_COPY:
207 return &elf_howto_table[(int) R_390_COPY];
208 case BFD_RELOC_390_GLOB_DAT:
209 return &elf_howto_table[(int) R_390_GLOB_DAT];
210 case BFD_RELOC_390_JMP_SLOT:
211 return &elf_howto_table[(int) R_390_JMP_SLOT];
212 case BFD_RELOC_390_RELATIVE:
213 return &elf_howto_table[(int) R_390_RELATIVE];
214 case BFD_RELOC_32_GOTOFF:
5236c819 215 return &elf_howto_table[(int) R_390_GOTOFF32];
0451c93c
MS		 216 case BFD_RELOC_390_GOTPC:
217 return &elf_howto_table[(int) R_390_GOTPC];
218 case BFD_RELOC_390_GOT16:
219 return &elf_howto_table[(int) R_390_GOT16];
220 case BFD_RELOC_16_PCREL:
221 return &elf_howto_table[(int) R_390_PC16];
fb798c50
AK		 222 case BFD_RELOC_390_PC12DBL:
223 return &elf_howto_table[(int) R_390_PC12DBL];
224 case BFD_RELOC_390_PLT12DBL:
225 return &elf_howto_table[(int) R_390_PLT12DBL];
0451c93c
MS		 226 case BFD_RELOC_390_PC16DBL:
227 return &elf_howto_table[(int) R_390_PC16DBL];
228 case BFD_RELOC_390_PLT16DBL:
229 return &elf_howto_table[(int) R_390_PLT16DBL];
fb798c50
AK		 230 case BFD_RELOC_390_PC24DBL:
231 return &elf_howto_table[(int) R_390_PC24DBL];
232 case BFD_RELOC_390_PLT24DBL:
233 return &elf_howto_table[(int) R_390_PLT24DBL];
befc3abb
MS		 234 case BFD_RELOC_390_PC32DBL:
235 return &elf_howto_table[(int) R_390_PC32DBL];
236 case BFD_RELOC_390_PLT32DBL:
237 return &elf_howto_table[(int) R_390_PLT32DBL];
238 case BFD_RELOC_390_GOTPCDBL:
239 return &elf_howto_table[(int) R_390_GOTPCDBL];
240 case BFD_RELOC_390_GOTENT:
241 return &elf_howto_table[(int) R_390_GOTENT];
5236c819
MS		 242 case BFD_RELOC_16_GOTOFF:
243 return &elf_howto_table[(int) R_390_GOTOFF16];
244 case BFD_RELOC_390_GOTPLT12:
245 return &elf_howto_table[(int) R_390_GOTPLT12];
246 case BFD_RELOC_390_GOTPLT16:
247 return &elf_howto_table[(int) R_390_GOTPLT16];
248 case BFD_RELOC_390_GOTPLT32:
249 return &elf_howto_table[(int) R_390_GOTPLT32];
250 case BFD_RELOC_390_GOTPLTENT:
251 return &elf_howto_table[(int) R_390_GOTPLTENT];
252 case BFD_RELOC_390_PLTOFF16:
253 return &elf_howto_table[(int) R_390_PLTOFF16];
254 case BFD_RELOC_390_PLTOFF32:
255 return &elf_howto_table[(int) R_390_PLTOFF32];
69fc87f1
MS		 256 case BFD_RELOC_390_TLS_LOAD:
257 return &elf_howto_table[(int) R_390_TLS_LOAD];
258 case BFD_RELOC_390_TLS_GDCALL:
259 return &elf_howto_table[(int) R_390_TLS_GDCALL];
260 case BFD_RELOC_390_TLS_LDCALL:
261 return &elf_howto_table[(int) R_390_TLS_LDCALL];
262 case BFD_RELOC_390_TLS_GD32:
263 return &elf_howto_table[(int) R_390_TLS_GD32];
264 case BFD_RELOC_390_TLS_GOTIE12:
265 return &elf_howto_table[(int) R_390_TLS_GOTIE12];
266 case BFD_RELOC_390_TLS_GOTIE32:
267 return &elf_howto_table[(int) R_390_TLS_GOTIE32];
268 case BFD_RELOC_390_TLS_LDM32:
269 return &elf_howto_table[(int) R_390_TLS_LDM32];
270 case BFD_RELOC_390_TLS_IE32:
271 return &elf_howto_table[(int) R_390_TLS_IE32];
272 case BFD_RELOC_390_TLS_IEENT:
273 return &elf_howto_table[(int) R_390_TLS_IEENT];
274 case BFD_RELOC_390_TLS_LE32:
275 return &elf_howto_table[(int) R_390_TLS_LE32];
276 case BFD_RELOC_390_TLS_LDO32:
277 return &elf_howto_table[(int) R_390_TLS_LDO32];
278 case BFD_RELOC_390_TLS_DTPMOD:
279 return &elf_howto_table[(int) R_390_TLS_DTPMOD];
280 case BFD_RELOC_390_TLS_DTPOFF:
281 return &elf_howto_table[(int) R_390_TLS_DTPOFF];
282 case BFD_RELOC_390_TLS_TPOFF:
283 return &elf_howto_table[(int) R_390_TLS_TPOFF];
bd1ea41b
MS		 284 case BFD_RELOC_390_20:
285 return &elf_howto_table[(int) R_390_20];
286 case BFD_RELOC_390_GOT20:
287 return &elf_howto_table[(int) R_390_GOT20];
288 case BFD_RELOC_390_GOTPLT20:
289 return &elf_howto_table[(int) R_390_GOTPLT20];
290 case BFD_RELOC_390_TLS_GOTIE20:
291 return &elf_howto_table[(int) R_390_TLS_GOTIE20];
470b557a
AK		 292 case BFD_RELOC_390_IRELATIVE:
293 return &elf_howto_table[(int) R_390_IRELATIVE];
0451c93c
MS		 294 case BFD_RELOC_VTABLE_INHERIT:
295 return &elf32_s390_vtinherit_howto;
296 case BFD_RELOC_VTABLE_ENTRY:
297 return &elf32_s390_vtentry_howto;
298 default:
299 break;
300 }
a85d7ed0
NC		 301 return 0;
302}
303
157090f7
AM		 304static reloc_howto_type *
305elf_s390_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
306 const char *r_name)
307{
308 unsigned int i;
309
310 for (i = 0; i < sizeof (elf_howto_table) / sizeof (elf_howto_table[0]); i++)
311 if (elf_howto_table[i].name != NULL
312 && strcasecmp (elf_howto_table[i].name, r_name) == 0)
313 return &elf_howto_table[i];
314
315 if (strcasecmp (elf32_s390_vtinherit_howto.name, r_name) == 0)
316 return &elf32_s390_vtinherit_howto;
317 if (strcasecmp (elf32_s390_vtentry_howto.name, r_name) == 0)
318 return &elf32_s390_vtentry_howto;
319
320 return NULL;
321}
322
a85d7ed0
NC		 323/* We need to use ELF32_R_TYPE so we have our own copy of this function,
324 and elf32-s390.c has its own copy. */
325
f3185997
NC		 326static bfd_boolean
327elf_s390_info_to_howto (bfd *abfd,
2c3fc389
NC		 328 arelent *cache_ptr,
329 Elf_Internal_Rela *dst)
a85d7ed0 330{
d0fb9a8d 331 unsigned int r_type = ELF32_R_TYPE(dst->r_info);
f3185997 332
d0fb9a8d 333 switch (r_type)
a85d7ed0
NC		 334 {
335 case R_390_GNU_VTINHERIT:
336 cache_ptr->howto = &elf32_s390_vtinherit_howto;
337 break;
338
339 case R_390_GNU_VTENTRY:
340 cache_ptr->howto = &elf32_s390_vtentry_howto;
341 break;
342
343 default:
d0fb9a8d
JJ		 344 if (r_type >= sizeof (elf_howto_table) / sizeof (elf_howto_table[0]))
345 {
695344c0 346 /* xgettext:c-format */
0aa13fee
AM		 347 _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
348 abfd, r_type);
f3185997
NC		 349 bfd_set_error (bfd_error_bad_value);
350 return FALSE;
d0fb9a8d
JJ		 351 }
352 cache_ptr->howto = &elf_howto_table[r_type];
dc810e39 353 }
f3185997
NC		 354
355 return TRUE;
a85d7ed0
NC		 356}
357
69fc87f1
MS		 358/* A relocation function which doesn't do anything. */
359static bfd_reloc_status_type
2c3fc389
NC		 360s390_tls_reloc (bfd *abfd ATTRIBUTE_UNUSED,
361 arelent *reloc_entry,
362 asymbol *symbol ATTRIBUTE_UNUSED,
363 void * data ATTRIBUTE_UNUSED,
364 asection *input_section,
365 bfd *output_bfd,
366 char **error_message ATTRIBUTE_UNUSED)
69fc87f1
MS		 367{
368 if (output_bfd)
369 reloc_entry->address += input_section->output_offset;
370 return bfd_reloc_ok;
371}
372
bd1ea41b
MS		 373/* Handle the large displacement relocs. */
374static bfd_reloc_status_type
2c3fc389
NC		 375s390_elf_ldisp_reloc (bfd *abfd ATTRIBUTE_UNUSED,
376 arelent *reloc_entry,
377 asymbol *symbol,
378 void * data ATTRIBUTE_UNUSED,
379 asection *input_section,
380 bfd *output_bfd,
381 char **error_message ATTRIBUTE_UNUSED)
bd1ea41b
MS		 382{
383 reloc_howto_type *howto = reloc_entry->howto;
384 bfd_vma relocation;
385 bfd_vma insn;
68ffbac6 386
bd1ea41b
MS		 387 if (output_bfd != (bfd *) NULL
388 && (symbol->flags & BSF_SECTION_SYM) == 0
389 && (! howto->partial_inplace
390 || reloc_entry->addend == 0))
391 {
392 reloc_entry->address += input_section->output_offset;
393 return bfd_reloc_ok;
394 }
68ffbac6 395
bd1ea41b
MS		 396 if (output_bfd != NULL)
397 return bfd_reloc_continue;
68ffbac6 398
07515404 399 if (reloc_entry->address > bfd_get_section_limit (abfd, input_section))
bd1ea41b 400 return bfd_reloc_outofrange;
68ffbac6 401
bd1ea41b
MS		 402 relocation = (symbol->value
403 + symbol->section->output_section->vma
404 + symbol->section->output_offset);
405 relocation += reloc_entry->addend;
406 if (howto->pc_relative)
407 {
408 relocation -= (input_section->output_section->vma
409 + input_section->output_offset);
410 relocation -= reloc_entry->address;
411 }
68ffbac6 412
bd1ea41b
MS		 413 insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address);
414 insn |= (relocation & 0xfff) << 16 | (relocation & 0xff000) >> 4;
415 bfd_put_32 (abfd, insn, (bfd_byte *) data + reloc_entry->address);
68ffbac6 416
bd1ea41b
MS		 417 if ((bfd_signed_vma) relocation < - 0x80000
418 || (bfd_signed_vma) relocation > 0x7ffff)
419 return bfd_reloc_overflow;
420 else
421 return bfd_reloc_ok;
422}
423
b34976b6 424static bfd_boolean
2c3fc389 425elf_s390_is_local_label_name (bfd *abfd, const char *name)
a85d7ed0
NC		 426{
427 if (name[0] == '.' && (name[1] == 'X' || name[1] == 'L'))
b34976b6 428 return TRUE;
a85d7ed0
NC		 429
430 return _bfd_elf_is_local_label_name (abfd, name);
431}
432
433/* Functions for the 390 ELF linker. */
434
435/* The name of the dynamic interpreter. This is put in the .interp
436 section. */
437
87049b0d 438#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
a85d7ed0 439
64285810
MS		 440/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
441 copying dynamic variables from a shared lib into an app's dynbss
442 section, and instead use a dynamic relocation to point into the
443 shared lib. */
444#define ELIMINATE_COPY_RELOCS 1
445
a85d7ed0
NC		 446/* The size in bytes of the first entry in the procedure linkage table. */
447#define PLT_FIRST_ENTRY_SIZE 32
448/* The size in bytes of an entry in the procedure linkage table. */
dc810e39 449#define PLT_ENTRY_SIZE 32
a85d7ed0
NC		 450
451#define GOT_ENTRY_SIZE 4
452
470b557a
AK		 453#define RELA_ENTRY_SIZE sizeof (Elf32_External_Rela)
454
a85d7ed0
NC		 455/* The first three entries in a procedure linkage table are reserved,
456 and the initial contents are unimportant (we zero them out).
457 Subsequent entries look like this. See the SVR4 ABI 386
458 supplement to see how this works. */
459
460/* For the s390, simple addr offset can only be 0 - 4096.
461 To use the full 2 GB address space, several instructions
462 are needed to load an address in a register and execute
463 a branch( or just saving the address)
464
dc810e39 465 Furthermore, only r 0 and 1 are free to use!!! */
a85d7ed0
NC		 466
467/* The first 3 words in the GOT are then reserved.
468 Word 0 is the address of the dynamic table.
469 Word 1 is a pointer to a structure describing the object
470 Word 2 is used to point to the loader entry address.
471
4cc11e76 472 The code for position independent PLT entries looks like this:
a85d7ed0
NC		 473
474 r12 holds addr of the current GOT at entry to the PLT
475
476 The GOT holds the address in the PLT to be executed.
477 The loader then gets:
478 24(15) = Pointer to the structure describing the object.
a7e28bbe 479 28(15) = Offset into rela.plt
a85d7ed0
NC		 480
481 The loader must then find the module where the function is
482 and insert the address in the GOT.
483
484 Note: 390 can only address +- 64 K relative.
07d6d2b8
AM		 485 We check if offset > 65536, then make a relative branch -64xxx
486 back to a previous defined branch
487
488PLT1: BASR 1,0 # 2 bytes
489 L 1,22(1) # 4 bytes Load offset in GOT in r 1
490 L 1,(1,12) # 4 bytes Load address from GOT in r1
491 BCR 15,1 # 2 bytes Jump to address
492RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
493 L 1,14(1) # 4 bytes Load offset in symol table in r1
a85d7ed0 494 BRC 15,-x # 4 bytes Jump to start of PLT
07d6d2b8
AM		 495 .word 0 # 2 bytes filler
496 .long ? # 4 bytes offset in GOT
497 .long ? # 4 bytes offset into rela.plt
a85d7ed0
NC		 498
499 This was the general case. There are two additional, optimizes PLT
500 definitions. One for GOT offsets < 4096 and one for GOT offsets < 32768.
501 First the one for GOT offsets < 4096:
502
07d6d2b8
AM		 503PLT1: L 1,<offset>(12) # 4 bytes Load address from GOT in R1
504 BCR 15,1 # 2 bytes Jump to address
505 .word 0,0,0 # 6 bytes filler
506RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
507 L 1,14(1) # 4 bytes Load offset in rela.plt in r1
508 BRC 15,-x # 4 bytes Jump to start of PLT
509 .word 0,0,0 # 6 bytes filler
510 .long ? # 4 bytes offset into rela.plt
a85d7ed0
NC		 511
512 Second the one for GOT offsets < 32768:
513
07d6d2b8
AM		 514PLT1: LHI 1,<offset> # 4 bytes Load offset in GOT to r1
515 L 1,(1,12) # 4 bytes Load address from GOT to r1
516 BCR 15,1 # 2 bytes Jump to address
517 .word 0 # 2 bytes filler
518RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
519 L 1,14(1) # 4 bytes Load offset in rela.plt in r1
520 BRC 15,-x # 4 bytes Jump to start of PLT
521 .word 0,0,0 # 6 bytes filler
522 .long ? # 4 bytes offset into rela.plt
a85d7ed0
NC		 523
524Total = 32 bytes per PLT entry
525
526 The code for static build PLT entries looks like this:
527
07d6d2b8
AM		 528PLT1: BASR 1,0 # 2 bytes
529 L 1,22(1) # 4 bytes Load address of GOT entry
530 L 1,0(0,1) # 4 bytes Load address from GOT in r1
531 BCR 15,1 # 2 bytes Jump to address
532RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
533 L 1,14(1) # 4 bytes Load offset in symbol table in r1
a85d7ed0 534 BRC 15,-x # 4 bytes Jump to start of PLT
07d6d2b8
AM		 535 .word 0 # 2 bytes filler
536 .long ? # 4 bytes address of GOT entry
537 .long ? # 4 bytes offset into rela.plt */
a85d7ed0 538
9aa17453
AK		 539static const bfd_byte elf_s390_plt_entry[PLT_ENTRY_SIZE] =
540 {
07d6d2b8
AM		 541 0x0d, 0x10, /* basr %r1,%r0 */
542 0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
543 0x58, 0x10, 0x10, 0x00, /* l %r1,0(%r1) */
544 0x07, 0xf1, /* br %r1 */
545 0x0d, 0x10, /* basr %r1,%r0 */
546 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
547 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
548 0x00, 0x00, /* padding */
549 0x00, 0x00, 0x00, 0x00, /* GOT offset */
550 0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
9aa17453
AK		 551 };
552
553/* Generic PLT pic entry. */
554static const bfd_byte elf_s390_plt_pic_entry[PLT_ENTRY_SIZE] =
555 {
07d6d2b8
AM		 556 0x0d, 0x10, /* basr %r1,%r0 */
557 0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
558 0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
559 0x07, 0xf1, /* br %r1 */
560 0x0d, 0x10, /* basr %r1,%r0 */
561 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
562 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
563 0x00, 0x00, /* padding */
564 0x00, 0x00, 0x00, 0x00, /* GOT offset */
565 0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
9aa17453
AK		 566 };
567
568/* Optimized PLT pic entry for GOT offset < 4k. xx will be replaced
569 when generating the PLT slot with the GOT offset. */
570static const bfd_byte elf_s390_plt_pic12_entry[PLT_ENTRY_SIZE] =
571 {
07d6d2b8
AM		 572 0x58, 0x10, 0xc0, 0x00, /* l %r1,xx(%r12) */
573 0x07, 0xf1, /* br %r1 */
574 0x00, 0x00, 0x00, 0x00, /* padding */
9aa17453 575 0x00, 0x00,
07d6d2b8
AM		 576 0x0d, 0x10, /* basr %r1,%r0 */
577 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
578 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
9aa17453
AK		 579 0x00, 0x00, 0x00, 0x00,
580 0x00, 0x00, 0x00, 0x00
581 };
582
583/* Optimized PLT pic entry for GOT offset < 32k. xx will be replaced
584 when generating the PLT slot with the GOT offset. */
585static const bfd_byte elf_s390_plt_pic16_entry[PLT_ENTRY_SIZE] =
586 {
07d6d2b8
AM		 587 0xa7, 0x18, 0x00, 0x00, /* lhi %r1,xx */
588 0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
589 0x07, 0xf1, /* br %r1 */
9aa17453 590 0x00, 0x00,
07d6d2b8
AM		 591 0x0d, 0x10, /* basr %r1,%r0 */
592 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
593 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
9aa17453
AK		 594 0x00, 0x00, 0x00, 0x00,
595 0x00, 0x00, 0x00, 0x00,
596 0x00, 0x00
597 };
a85d7ed0 598
a7e28bbe 599/* The first PLT entry pushes the offset into the rela.plt
a85d7ed0
NC		 600 from R1 onto the stack at 8(15) and the loader object info
601 at 12(15), loads the loader address in R1 and jumps to it. */
602
603/* The first entry in the PLT for PIC code:
604
605PLT0:
07d6d2b8
AM		 606 ST 1,28(15) # R1 has offset into rela.plt
607 L 1,4(12) # Get loader ino(object struct address)
608 ST 1,24(15) # Store address
609 L 1,8(12) # Entry address of loader in R1
610 BR 1 # Jump to loader
a85d7ed0
NC		 611
612 The first entry in the PLT for static code:
613
614PLT0:
07d6d2b8 615 ST 1,28(15) # R1 has offset into rela.plt
a85d7ed0 616 BASR 1,0
07d6d2b8
AM		 617 L 1,18(0,1) # Get address of GOT
618 MVC 24(4,15),4(1) # Move loader ino to stack
619 L 1,8(1) # Get address of loader
620 BR 1 # Jump to loader
621 .word 0 # filler
622 .long got # address of GOT */
a85d7ed0 623
9aa17453
AK		 624static const bfd_byte elf_s390_plt_first_entry[PLT_FIRST_ENTRY_SIZE] =
625 {
07d6d2b8
AM		 626 0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
627 0x0d, 0x10, /* basr %r1,%r0 */
628 0x58, 0x10, 0x10, 0x12, /* l %r1,18(%r1) */
629 0xd2, 0x03, 0xf0, 0x18, 0x10, 0x04, /* mvc 24(4,%r15),4(%r1) */
630 0x58, 0x10, 0x10, 0x08, /* l %r1,8(%r1) */
631 0x07, 0xf1, /* br %r1 */
9aa17453
AK		 632 0x00, 0x00, 0x00, 0x00,
633 0x00, 0x00, 0x00, 0x00,
634 0x00, 0x00
635 };
636
637static const bfd_byte elf_s390_plt_pic_first_entry[PLT_FIRST_ENTRY_SIZE] =
638 {
07d6d2b8
AM		 639 0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
640 0x58, 0x10, 0xc0, 0x04, /* l %r1,4(%r12) */
641 0x50, 0x10, 0xf0, 0x18, /* st %r1,24(%r15) */
642 0x58, 0x10, 0xc0, 0x08, /* l %r1,8(%r12) */
643 0x07, 0xf1, /* br %r1 */
9aa17453
AK		 644 0x00, 0x00, 0x00, 0x00,
645 0x00, 0x00, 0x00, 0x00,
646 0x00, 0x00, 0x00, 0x00,
647 0x00, 0x00
648 };
a85d7ed0 649
a85d7ed0
NC		 650
651/* s390 ELF linker hash entry. */
652
653struct elf_s390_link_hash_entry
654{
0451c93c 655 struct elf_link_hash_entry elf;
a85d7ed0 656
0451c93c 657 /* Track dynamic relocs copied for this symbol. */
00d8c7a9 658 struct elf_dyn_relocs *dyn_relocs;
5236c819
MS		 659
660 /* Number of GOTPLT references for a function. */
661 bfd_signed_vma gotplt_refcount;
69fc87f1
MS		 662
663#define GOT_UNKNOWN 0
664#define GOT_NORMAL 1
665#define GOT_TLS_GD 2
666#define GOT_TLS_IE 3
667#define GOT_TLS_IE_NLT 4
668 unsigned char tls_type;
470b557a
AK		 669
670 /* For pointer equality reasons we might need to change the symbol
671 type from STT_GNU_IFUNC to STT_FUNC together with its value and
672 section entry. So after alloc_dynrelocs only these values should
673 be used. In order to check whether a symbol is IFUNC use
674 s390_is_ifunc_symbol_p. */
675 bfd_vma ifunc_resolver_address;
676 asection *ifunc_resolver_section;
a85d7ed0
NC		 677};
678
69fc87f1
MS		 679#define elf_s390_hash_entry(ent) \
680 ((struct elf_s390_link_hash_entry *)(ent))
681
470b557a
AK		 682/* This structure represents an entry in the local PLT list needed for
683 local IFUNC symbols. */
684struct plt_entry
685{
686 /* The section of the local symbol.
687 Set in relocate_section and used in finish_dynamic_sections. */
688 asection *sec;
689
690 union
691 {
692 bfd_signed_vma refcount;
693 bfd_vma offset;
694 } plt;
695};
696
0ffa91dd
NC		 697/* NOTE: Keep this structure in sync with
698 the one declared in elf64-s390.c. */
69fc87f1
MS		 699struct elf_s390_obj_tdata
700{
701 struct elf_obj_tdata root;
702
470b557a
AK		 703 /* A local PLT is needed for ifunc symbols. */
704 struct plt_entry *local_plt;
705
0ffa91dd 706 /* TLS type for each local got entry. */
69fc87f1
MS		 707 char *local_got_tls_type;
708};
709
710#define elf_s390_tdata(abfd) \
711 ((struct elf_s390_obj_tdata *) (abfd)->tdata.any)
712
470b557a
AK		 713#define elf_s390_local_plt(abfd) \
714 (elf_s390_tdata (abfd)->local_plt)
715
69fc87f1
MS		 716#define elf_s390_local_got_tls_type(abfd) \
717 (elf_s390_tdata (abfd)->local_got_tls_type)
718
0ffa91dd
NC		 719#define is_s390_elf(bfd) \
720 (bfd_get_flavour (bfd) == bfd_target_elf_flavour \
721 && elf_tdata (bfd) != NULL \
4dfe6ac6 722 && elf_object_id (bfd) == S390_ELF_DATA)
0ffa91dd 723
69fc87f1 724static bfd_boolean
62d7a5f6 725elf_s390_mkobject (bfd *abfd)
69fc87f1 726{
0ffa91dd 727 return bfd_elf_allocate_object (abfd, sizeof (struct elf_s390_obj_tdata),
4dfe6ac6 728 S390_ELF_DATA);
69fc87f1
MS		 729}
730
731static bfd_boolean
2c3fc389 732elf_s390_object_p (bfd *abfd)
69fc87f1 733{
69fc87f1
MS		 734 /* Set the right machine number for an s390 elf32 file. */
735 return bfd_default_set_arch_mach (abfd, bfd_arch_s390, bfd_mach_s390_31);
736}
737
a85d7ed0
NC		 738/* s390 ELF linker hash table. */
739
740struct elf_s390_link_hash_table
741{
0451c93c 742 struct elf_link_hash_table elf;
a85d7ed0 743
0451c93c 744 /* Short-cuts to get to dynamic linker sections. */
470b557a 745 asection *irelifunc;
ec338859 746
2c3fc389
NC		 747 union
748 {
69fc87f1
MS		 749 bfd_signed_vma refcount;
750 bfd_vma offset;
751 } tls_ldm_got;
752
87d72d41
AM		 753 /* Small local sym cache. */
754 struct sym_cache sym_cache;
0451c93c 755};
a85d7ed0
NC		 756
757/* Get the s390 ELF linker hash table from a link_info structure. */
758
759#define elf_s390_hash_table(p) \
4dfe6ac6
NC		 760 (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
761 == S390_ELF_DATA ? ((struct elf_s390_link_hash_table *) ((p)->hash)) : NULL)
a85d7ed0 762
470b557a
AK		 763#undef ELF64
764#include "elf-s390-common.c"
765
a85d7ed0
NC		 766/* Create an entry in an s390 ELF linker hash table. */
767
768static struct bfd_hash_entry *
2c3fc389
NC		 769link_hash_newfunc (struct bfd_hash_entry *entry,
770 struct bfd_hash_table *table,
771 const char *string)
a85d7ed0 772{
a85d7ed0
NC		 773 /* Allocate the structure if it has not already been allocated by a
774 subclass. */
0451c93c
MS		 775 if (entry == NULL)
776 {
777 entry = bfd_hash_allocate (table,
778 sizeof (struct elf_s390_link_hash_entry));
779 if (entry == NULL)
780 return entry;
781 }
ec338859 782
a85d7ed0 783 /* Call the allocation method of the superclass. */
0451c93c
MS		 784 entry = _bfd_elf_link_hash_newfunc (entry, table, string);
785 if (entry != NULL)
a85d7ed0 786 {
0451c93c 787 struct elf_s390_link_hash_entry *eh;
ec338859 788
0451c93c
MS		 789 eh = (struct elf_s390_link_hash_entry *) entry;
790 eh->dyn_relocs = NULL;
5236c819 791 eh->gotplt_refcount = 0;
69fc87f1 792 eh->tls_type = GOT_UNKNOWN;
470b557a
AK		 793 eh->ifunc_resolver_address = 0;
794 eh->ifunc_resolver_section = NULL;
a85d7ed0
NC		 795 }
796
0451c93c 797 return entry;
a85d7ed0
NC		 798}
799
800/* Create an s390 ELF linker hash table. */
801
802static struct bfd_link_hash_table *
2c3fc389 803elf_s390_link_hash_table_create (bfd *abfd)
a85d7ed0
NC		 804{
805 struct elf_s390_link_hash_table *ret;
dc810e39 806 bfd_size_type amt = sizeof (struct elf_s390_link_hash_table);
a85d7ed0 807
7bf52ea2 808 ret = (struct elf_s390_link_hash_table *) bfd_zmalloc (amt);
0451c93c 809 if (ret == NULL)
a85d7ed0
NC		 810 return NULL;
811
66eb6687 812 if (!_bfd_elf_link_hash_table_init (&ret->elf, abfd, link_hash_newfunc,
4dfe6ac6
NC		 813 sizeof (struct elf_s390_link_hash_entry),
814 S390_ELF_DATA))
a85d7ed0 815 {
e2d34d7d 816 free (ret);
a85d7ed0
NC		 817 return NULL;
818 }
819
0451c93c
MS		 820 return &ret->elf.root;
821}
822
0451c93c
MS		 823/* Copy the extra info we tack onto an elf_link_hash_entry. */
824
825static void
2c3fc389
NC		 826elf_s390_copy_indirect_symbol (struct bfd_link_info *info,
827 struct elf_link_hash_entry *dir,
828 struct elf_link_hash_entry *ind)
0451c93c
MS		 829{
830 struct elf_s390_link_hash_entry *edir, *eind;
831
832 edir = (struct elf_s390_link_hash_entry *) dir;
833 eind = (struct elf_s390_link_hash_entry *) ind;
834
835 if (eind->dyn_relocs != NULL)
836 {
837 if (edir->dyn_relocs != NULL)
838 {
00d8c7a9
AK		 839 struct elf_dyn_relocs **pp;
840 struct elf_dyn_relocs *p;
0451c93c 841
fcfa13d2 842 /* Add reloc counts against the indirect sym to the direct sym
0451c93c
MS		 843 list. Merge any entries against the same section. */
844 for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
845 {
00d8c7a9 846 struct elf_dyn_relocs *q;
0451c93c
MS		 847
848 for (q = edir->dyn_relocs; q != NULL; q = q->next)
849 if (q->sec == p->sec)
850 {
851 q->pc_count += p->pc_count;
852 q->count += p->count;
853 *pp = p->next;
854 break;
855 }
856 if (q == NULL)
857 pp = &p->next;
858 }
859 *pp = edir->dyn_relocs;
860 }
861
862 edir->dyn_relocs = eind->dyn_relocs;
863 eind->dyn_relocs = NULL;
864 }
865
69fc87f1
MS		 866 if (ind->root.type == bfd_link_hash_indirect
867 && dir->got.refcount <= 0)
868 {
869 edir->tls_type = eind->tls_type;
870 eind->tls_type = GOT_UNKNOWN;
871 }
872
64285810
MS		 873 if (ELIMINATE_COPY_RELOCS
874 && ind->root.type != bfd_link_hash_indirect
f5385ebf
AM		 875 && dir->dynamic_adjusted)
876 {
877 /* If called to transfer flags for a weakdef during processing
878 of elf_adjust_dynamic_symbol, don't copy non_got_ref.
879 We clear it ourselves for ELIMINATE_COPY_RELOCS. */
e81830c5
AM		 880 if (dir->versioned != versioned_hidden)
881 dir->ref_dynamic |= ind->ref_dynamic;
f5385ebf
AM		 882 dir->ref_regular |= ind->ref_regular;
883 dir->ref_regular_nonweak |= ind->ref_regular_nonweak;
884 dir->needs_plt |= ind->needs_plt;
885 }
64285810 886 else
fcfa13d2 887 _bfd_elf_link_hash_copy_indirect (info, dir, ind);
0451c93c 888}
a85d7ed0 889
69fc87f1 890static int
2c3fc389
NC		 891elf_s390_tls_transition (struct bfd_link_info *info,
892 int r_type,
893 int is_local)
69fc87f1 894{
0e1862bb 895 if (bfd_link_pic (info))
69fc87f1
MS		 896 return r_type;
897
898 switch (r_type)
899 {
900 case R_390_TLS_GD32:
901 case R_390_TLS_IE32:
902 if (is_local)
903 return R_390_TLS_LE32;
904 return R_390_TLS_IE32;
905 case R_390_TLS_GOTIE32:
906 if (is_local)
907 return R_390_TLS_LE32;
908 return R_390_TLS_GOTIE32;
909 case R_390_TLS_LDM32:
910 return R_390_TLS_LE32;
911 }
912
913 return r_type;
914}
915
a85d7ed0
NC		 916/* Look through the relocs for a section during the first phase, and
917 allocate space in the global offset table or procedure linkage
918 table. */
919
b34976b6 920static bfd_boolean
2c3fc389
NC		 921elf_s390_check_relocs (bfd *abfd,
922 struct bfd_link_info *info,
923 asection *sec,
924 const Elf_Internal_Rela *relocs)
a85d7ed0 925{
0451c93c 926 struct elf_s390_link_hash_table *htab;
a85d7ed0
NC		 927 Elf_Internal_Shdr *symtab_hdr;
928 struct elf_link_hash_entry **sym_hashes;
a85d7ed0
NC		 929 const Elf_Internal_Rela *rel;
930 const Elf_Internal_Rela *rel_end;
a85d7ed0 931 asection *sreloc;
5236c819 932 bfd_signed_vma *local_got_refcounts;
69fc87f1 933 int tls_type, old_tls_type;
470b557a 934 Elf_Internal_Sym *isym;
a85d7ed0 935
0e1862bb 936 if (bfd_link_relocatable (info))
b34976b6 937 return TRUE;
a85d7ed0 938
0ffa91dd
NC		 939 BFD_ASSERT (is_s390_elf (abfd));
940
0451c93c 941 htab = elf_s390_hash_table (info);
0ffa91dd 942 symtab_hdr = &elf_symtab_hdr (abfd);
a85d7ed0 943 sym_hashes = elf_sym_hashes (abfd);
5236c819 944 local_got_refcounts = elf_local_got_refcounts (abfd);
a85d7ed0 945
a85d7ed0
NC		 946 sreloc = NULL;
947
948 rel_end = relocs + sec->reloc_count;
949 for (rel = relocs; rel < rel_end; rel++)
950 {
69fc87f1 951 unsigned int r_type;
d42c267e 952 unsigned int r_symndx;
a85d7ed0
NC		 953 struct elf_link_hash_entry *h;
954
955 r_symndx = ELF32_R_SYM (rel->r_info);
956
0451c93c
MS		 957 if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
958 {
695344c0 959 /* xgettext:c-format */
871b3ab2 960 _bfd_error_handler (_("%pB: bad symbol index: %d"),
4eca0228 961 abfd, r_symndx);
b34976b6 962 return FALSE;
0451c93c
MS		 963 }
964
a85d7ed0 965 if (r_symndx < symtab_hdr->sh_info)
470b557a
AK		 966 {
967 /* A local symbol. */
968 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
969 abfd, r_symndx);
970 if (isym == NULL)
971 return FALSE;
972
973 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
974 {
975 struct plt_entry *plt;
976
0cb79d69
AK		 977 if (htab->elf.dynobj == NULL)
978 htab->elf.dynobj = abfd;
979
470b557a
AK		 980 if (!s390_elf_create_ifunc_sections (htab->elf.dynobj, info))
981 return FALSE;
982
983 if (local_got_refcounts == NULL)
984 {
985 if (!elf_s390_allocate_local_syminfo (abfd, symtab_hdr))
986 return FALSE;
987 local_got_refcounts = elf_local_got_refcounts (abfd);
988 }
989 plt = elf_s390_local_plt (abfd);
990 plt[r_symndx].plt.refcount++;
991 }
992 h = NULL;
993 }
a85d7ed0 994 else
973a3492
L		 995 {
996 h = sym_hashes[r_symndx - symtab_hdr->sh_info];
997 while (h->root.type == bfd_link_hash_indirect
998 || h->root.type == bfd_link_hash_warning)
999 h = (struct elf_link_hash_entry *) h->root.u.i.link;
1000 }
a85d7ed0 1001
5236c819
MS		 1002 /* Create got section and local_got_refcounts array if they
1003 are needed. */
69fc87f1
MS		 1004 r_type = elf_s390_tls_transition (info,
1005 ELF32_R_TYPE (rel->r_info),
1006 h == NULL);
1007 switch (r_type)
a85d7ed0
NC		 1008 {
1009 case R_390_GOT12:
5236c819 1010 case R_390_GOT16:
bd1ea41b 1011 case R_390_GOT20:
a85d7ed0 1012 case R_390_GOT32:
befc3abb 1013 case R_390_GOTENT:
5236c819
MS		 1014 case R_390_GOTPLT12:
1015 case R_390_GOTPLT16:
bd1ea41b 1016 case R_390_GOTPLT20:
5236c819
MS		 1017 case R_390_GOTPLT32:
1018 case R_390_GOTPLTENT:
69fc87f1
MS		 1019 case R_390_TLS_GD32:
1020 case R_390_TLS_GOTIE12:
bd1ea41b 1021 case R_390_TLS_GOTIE20:
69fc87f1
MS		 1022 case R_390_TLS_GOTIE32:
1023 case R_390_TLS_IEENT:
1024 case R_390_TLS_IE32:
1025 case R_390_TLS_LDM32:
5236c819
MS		 1026 if (h == NULL
1027 && local_got_refcounts == NULL)
a85d7ed0 1028 {
470b557a 1029 if (!elf_s390_allocate_local_syminfo (abfd, symtab_hdr))
5236c819 1030 return FALSE;
470b557a 1031 local_got_refcounts = elf_local_got_refcounts (abfd);
a85d7ed0 1032 }
5236c819
MS		 1033 /* Fall through. */
1034 case R_390_GOTOFF16:
1035 case R_390_GOTOFF32:
0451c93c 1036 case R_390_GOTPC:
befc3abb 1037 case R_390_GOTPCDBL:
f41345a7 1038 if (htab->elf.sgot == NULL)
0451c93c
MS		 1039 {
1040 if (htab->elf.dynobj == NULL)
1041 htab->elf.dynobj = abfd;
ce558b89 1042 if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
b34976b6 1043 return FALSE;
0451c93c 1044 }
5236c819
MS		 1045 }
1046
470b557a
AK		 1047 if (h != NULL)
1048 {
1049 if (htab->elf.dynobj == NULL)
1050 htab->elf.dynobj = abfd;
1051 if (!s390_elf_create_ifunc_sections (htab->elf.dynobj, info))
1052 return FALSE;
1053
1054 /* Make sure an IFUNC symbol defined in a non-shared object
1055 always gets a PLT slot. */
1056 if (s390_is_ifunc_symbol_p (h) && h->def_regular)
1057 {
1058 /* The symbol is called by the dynamic loader in order
1059 to resolve the relocation. So it is in fact also
1060 referenced. */
1061 h->ref_regular = 1;
1062 h->needs_plt = 1;
1063 }
1064 }
69fc87f1 1065 switch (r_type)
5236c819 1066 {
5236c819
MS		 1067 case R_390_GOTPC:
1068 case R_390_GOTPCDBL:
470b557a
AK		 1069 /* These relocs do not need a GOT slot. They just load the
1070 GOT pointer itself or address something else relative to
1071 the GOT. Since the GOT pointer has been set up above we
1072 are done. */
a85d7ed0 1073 break;
01a53584
AK		 1074 case R_390_GOTOFF16:
1075 case R_390_GOTOFF32:
1076 if (h == NULL || !s390_is_ifunc_symbol_p (h) || !h->def_regular)
1077 break;
1a0670f3 1078 /* Fall through. */
a85d7ed0 1079
fb798c50 1080 case R_390_PLT12DBL:
26e41594 1081 case R_390_PLT16DBL:
fb798c50 1082 case R_390_PLT24DBL:
26e41594 1083 case R_390_PLT32DBL:
a85d7ed0 1084 case R_390_PLT32:
5236c819
MS		 1085 case R_390_PLTOFF16:
1086 case R_390_PLTOFF32:
a85d7ed0 1087 /* This symbol requires a procedure linkage table entry. We
26e41594
AM		 1088 actually build the entry in adjust_dynamic_symbol,
1089 because this might be a case of linking PIC code which is
1090 never referenced by a dynamic object, in which case we
1091 don't need to generate a procedure linkage table entry
1092 after all. */
a85d7ed0
NC		 1093
1094 /* If this is a local symbol, we resolve it directly without
26e41594 1095 creating a procedure linkage table entry. */
5236c819
MS		 1096 if (h != NULL)
1097 {
f5385ebf 1098 h->needs_plt = 1;
5236c819
MS		 1099 h->plt.refcount += 1;
1100 }
1101 break;
a85d7ed0 1102
5236c819
MS		 1103 case R_390_GOTPLT12:
1104 case R_390_GOTPLT16:
bd1ea41b 1105 case R_390_GOTPLT20:
5236c819
MS		 1106 case R_390_GOTPLT32:
1107 case R_390_GOTPLTENT:
1108 /* This symbol requires either a procedure linkage table entry
1109 or an entry in the local got. We actually build the entry
1110 in adjust_dynamic_symbol because whether this is really a
1111 global reference can change and with it the fact if we have
1112 to create a plt entry or a local got entry. To be able to
1113 make a once global symbol a local one we have to keep track
1114 of the number of gotplt references that exist for this
1115 symbol. */
1116 if (h != NULL)
1117 {
1118 ((struct elf_s390_link_hash_entry *) h)->gotplt_refcount++;
f5385ebf 1119 h->needs_plt = 1;
5236c819
MS		 1120 h->plt.refcount += 1;
1121 }
1122 else
1123 local_got_refcounts[r_symndx] += 1;
a85d7ed0
NC		 1124 break;
1125
69fc87f1
MS		 1126 case R_390_TLS_LDM32:
1127 htab->tls_ldm_got.refcount += 1;
1128 break;
1129
1130 case R_390_TLS_IE32:
1131 case R_390_TLS_GOTIE12:
bd1ea41b 1132 case R_390_TLS_GOTIE20:
69fc87f1
MS		 1133 case R_390_TLS_GOTIE32:
1134 case R_390_TLS_IEENT:
0e1862bb 1135 if (bfd_link_pic (info))
69fc87f1 1136 info->flags |= DF_STATIC_TLS;
ae9a127f 1137 /* Fall through. */
69fc87f1
MS		 1138
1139 case R_390_GOT12:
26e41594 1140 case R_390_GOT16:
bd1ea41b 1141 case R_390_GOT20:
69fc87f1
MS		 1142 case R_390_GOT32:
1143 case R_390_GOTENT:
1144 case R_390_TLS_GD32:
1145 /* This symbol requires a global offset table entry. */
1146 switch (r_type)
1147 {
1148 default:
1149 case R_390_GOT12:
1150 case R_390_GOT16:
bd1ea41b 1151 case R_390_GOT20:
69fc87f1
MS		 1152 case R_390_GOT32:
1153 case R_390_GOTENT:
1154 tls_type = GOT_NORMAL;
1155 break;
1156 case R_390_TLS_GD32:
1157 tls_type = GOT_TLS_GD;
1158 break;
1159 case R_390_TLS_IE32:
1160 case R_390_TLS_GOTIE32:
1161 tls_type = GOT_TLS_IE;
1162 break;
1163 case R_390_TLS_GOTIE12:
bd1ea41b 1164 case R_390_TLS_GOTIE20:
69fc87f1
MS		 1165 case R_390_TLS_IEENT:
1166 tls_type = GOT_TLS_IE_NLT;
1167 break;
1168 }
1169
1170 if (h != NULL)
1171 {
1172 h->got.refcount += 1;
1173 old_tls_type = elf_s390_hash_entry(h)->tls_type;
1174 }
1175 else
1176 {
1177 local_got_refcounts[r_symndx] += 1;
1178 old_tls_type = elf_s390_local_got_tls_type (abfd) [r_symndx];
1179 }
1180 /* If a TLS symbol is accessed using IE at least once,
1181 there is no point to use dynamic model for it. */
1182 if (old_tls_type != tls_type && old_tls_type != GOT_UNKNOWN)
1183 {
1184 if (old_tls_type == GOT_NORMAL || tls_type == GOT_NORMAL)
1185 {
4eca0228 1186 _bfd_error_handler
695344c0 1187 /* xgettext:c-format */
871b3ab2 1188 (_("%pB: `%s' accessed both as normal and thread local symbol"),
d003868e 1189 abfd, h->root.root.string);
69fc87f1
MS		 1190 return FALSE;
1191 }
1192 if (old_tls_type > tls_type)
1193 tls_type = old_tls_type;
1194 }
1195
1196 if (old_tls_type != tls_type)
1197 {
1198 if (h != NULL)
1199 elf_s390_hash_entry (h)->tls_type = tls_type;
1200 else
1201 elf_s390_local_got_tls_type (abfd) [r_symndx] = tls_type;
1202 }
1203
1204 if (r_type != R_390_TLS_IE32)
1205 break;
ae9a127f 1206 /* Fall through. */
69fc87f1
MS		 1207
1208 case R_390_TLS_LE32:
e00d879a
AK		 1209 /* For static linking and executables this reloc will be
1210 calculated at linktime otherwise a TLS_TPOFF runtime
1211 reloc will be generated. */
0e1862bb 1212 if (r_type == R_390_TLS_LE32 && bfd_link_pie (info))
e00d879a
AK		 1213 break;
1214
0e1862bb 1215 if (!bfd_link_pic (info))
69fc87f1
MS		 1216 break;
1217 info->flags |= DF_STATIC_TLS;
ae9a127f 1218 /* Fall through. */
69fc87f1 1219
26e41594
AM		 1220 case R_390_8:
1221 case R_390_16:
a85d7ed0 1222 case R_390_32:
26e41594 1223 case R_390_PC16:
fb798c50 1224 case R_390_PC12DBL:
26e41594 1225 case R_390_PC16DBL:
fb798c50 1226 case R_390_PC24DBL:
befc3abb 1227 case R_390_PC32DBL:
a85d7ed0 1228 case R_390_PC32:
99ba5125 1229 if (h != NULL && bfd_link_executable (info))
0451c93c
MS		 1230 {
1231 /* If this reloc is in a read-only section, we might
1232 need a copy reloc. We can't check reliably at this
1233 stage whether the section is read-only, as input
1234 sections have not yet been mapped to output sections.
1235 Tentatively set the flag for now, and correct in
1236 adjust_dynamic_symbol. */
f5385ebf 1237 h->non_got_ref = 1;
ec338859 1238
0e1862bb 1239 if (!bfd_link_pic (info))
470b557a
AK		 1240 {
1241 /* We may need a .plt entry if the function this reloc
1242 refers to is in a shared lib. */
1243 h->plt.refcount += 1;
1244 }
0451c93c 1245 }
a85d7ed0
NC		 1246
1247 /* If we are creating a shared library, and this is a reloc
0451c93c
MS		 1248 against a global symbol, or a non PC relative reloc
1249 against a local symbol, then we need to copy the reloc
1250 into the shared library. However, if we are linking with
1251 -Bsymbolic, we do not need to copy a reloc against a
1252 global symbol which is defined in an object we are
1253 including in the link (i.e., DEF_REGULAR is set). At
1254 this point we have not seen all the input files, so it is
1255 possible that DEF_REGULAR is not set now but will be set
1256 later (it is never cleared). In case of a weak definition,
1257 DEF_REGULAR may be cleared later by a strong definition in
1258 a shared library. We account for that possibility below by
1259 storing information in the relocs_copied field of the hash
1260 table entry. A similar situation occurs when creating
1261 shared libraries and symbol visibility changes render the
1262 symbol local.
1263
1264 If on the other hand, we are creating an executable, we
1265 may need to keep relocations for symbols satisfied by a
1266 dynamic library if we manage to avoid copy relocs for the
1267 symbol. */
0e1862bb 1268 if ((bfd_link_pic (info)
0451c93c 1269 && (sec->flags & SEC_ALLOC) != 0
ec338859 1270 && ((ELF32_R_TYPE (rel->r_info) != R_390_PC16
fb798c50 1271 && ELF32_R_TYPE (rel->r_info) != R_390_PC12DBL
0451c93c 1272 && ELF32_R_TYPE (rel->r_info) != R_390_PC16DBL
fb798c50 1273 && ELF32_R_TYPE (rel->r_info) != R_390_PC24DBL
befc3abb 1274 && ELF32_R_TYPE (rel->r_info) != R_390_PC32DBL
0451c93c
MS		 1275 && ELF32_R_TYPE (rel->r_info) != R_390_PC32)
1276 || (h != NULL
8c21ca21 1277 && (! SYMBOLIC_BIND (info, h)
0451c93c 1278 || h->root.type == bfd_link_hash_defweak
f5385ebf 1279 || !h->def_regular))))
64285810 1280 || (ELIMINATE_COPY_RELOCS
0e1862bb 1281 && !bfd_link_pic (info)
0451c93c
MS		 1282 && (sec->flags & SEC_ALLOC) != 0
1283 && h != NULL
1284 && (h->root.type == bfd_link_hash_defweak
f5385ebf 1285 || !h->def_regular)))
a85d7ed0 1286 {
00d8c7a9
AK		 1287 struct elf_dyn_relocs *p;
1288 struct elf_dyn_relocs **head;
ec338859 1289
0451c93c
MS		 1290 /* We must copy these reloc types into the output file.
1291 Create a reloc section in dynobj and make room for
1292 this reloc. */
a85d7ed0
NC		 1293 if (sreloc == NULL)
1294 {
0451c93c
MS		 1295 if (htab->elf.dynobj == NULL)
1296 htab->elf.dynobj = abfd;
a85d7ed0 1297
83bac4b0
NC		 1298 sreloc = _bfd_elf_make_dynamic_reloc_section
1299 (sec, htab->elf.dynobj, 2, abfd, /*rela?*/ TRUE);
1300
a85d7ed0 1301 if (sreloc == NULL)
83bac4b0 1302 return FALSE;
a85d7ed0
NC		 1303 }
1304
0451c93c
MS		 1305 /* If this is a global symbol, we count the number of
1306 relocations we need for this symbol. */
1307 if (h != NULL)
a85d7ed0 1308 {
ec338859 1309 head = &((struct elf_s390_link_hash_entry *) h)->dyn_relocs;
0451c93c
MS		 1310 }
1311 else
1312 {
ec338859
AM		 1313 /* Track dynamic relocs needed for local syms too.
1314 We really need local syms available to do this
1315 easily. Oh well. */
ec338859 1316 asection *s;
6edfbbad 1317 void *vpp;
ae9a127f 1318
87d72d41
AM		 1319 isym = bfd_sym_from_r_symndx (&htab->sym_cache,
1320 abfd, r_symndx);
1321 if (isym == NULL)
b34976b6 1322 return FALSE;
ec338859 1323
87d72d41
AM		 1324 s = bfd_section_from_elf_index (abfd, isym->st_shndx);
1325 if (s == NULL)
1326 s = sec;
1327
6edfbbad 1328 vpp = &elf_section_data (s)->local_dynrel;
00d8c7a9 1329 head = (struct elf_dyn_relocs **) vpp;
ec338859
AM		 1330 }
1331
1332 p = *head;
1333 if (p == NULL || p->sec != sec)
1334 {
1335 bfd_size_type amt = sizeof *p;
ae9a127f 1336
00d8c7a9 1337 p = ((struct elf_dyn_relocs *)
ec338859
AM		 1338 bfd_alloc (htab->elf.dynobj, amt));
1339 if (p == NULL)
b34976b6 1340 return FALSE;
ec338859
AM		 1341 p->next = *head;
1342 *head = p;
1343 p->sec = sec;
1344 p->count = 0;
1345 p->pc_count = 0;
a85d7ed0 1346 }
ec338859
AM		 1347
1348 p->count += 1;
1349 if (ELF32_R_TYPE (rel->r_info) == R_390_PC16
fb798c50 1350 || ELF32_R_TYPE (rel->r_info) == R_390_PC12DBL
ec338859 1351 || ELF32_R_TYPE (rel->r_info) == R_390_PC16DBL
fb798c50 1352 || ELF32_R_TYPE (rel->r_info) == R_390_PC24DBL
befc3abb 1353 || ELF32_R_TYPE (rel->r_info) == R_390_PC32DBL
ec338859
AM		 1354 || ELF32_R_TYPE (rel->r_info) == R_390_PC32)
1355 p->pc_count += 1;
a85d7ed0 1356 }
a85d7ed0 1357 break;
ec338859 1358
a85d7ed0
NC		 1359 /* This relocation describes the C++ object vtable hierarchy.
1360 Reconstruct it for later use during GC. */
26e41594 1361 case R_390_GNU_VTINHERIT:
c152c796 1362 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
26e41594
AM		 1363 return FALSE;
1364 break;
ec338859 1365
a85d7ed0
NC		 1366 /* This relocation describes which C++ vtable entries are actually
1367 used. Record for later use during GC. */
26e41594 1368 case R_390_GNU_VTENTRY:
d17e0c6e
JB		 1369 BFD_ASSERT (h != NULL);
1370 if (h != NULL
1371 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
26e41594
AM		 1372 return FALSE;
1373 break;
ec338859 1374
a85d7ed0
NC		 1375 default:
1376 break;
1377 }
1378 }
1379
b34976b6 1380 return TRUE;
a85d7ed0
NC		 1381}
1382
1383/* Return the section that should be marked against GC for a given
1384 relocation. */
1385
1386static asection *
07adf181
AM		 1387elf_s390_gc_mark_hook (asection *sec,
1388 struct bfd_link_info *info,
1389 Elf_Internal_Rela *rel,
1390 struct elf_link_hash_entry *h,
1391 Elf_Internal_Sym *sym)
a85d7ed0
NC		 1392{
1393 if (h != NULL)
07adf181
AM		 1394 switch (ELF32_R_TYPE (rel->r_info))
1395 {
1396 case R_390_GNU_VTINHERIT:
1397 case R_390_GNU_VTENTRY:
1398 return NULL;
1399 }
1400 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
a85d7ed0 1401
a85d7ed0
NC		 1402}
1403
5236c819
MS		 1404/* Make sure we emit a GOT entry if the symbol was supposed to have a PLT
1405 entry but we found we will not create any. Called when we find we will
1406 not have any PLT for this symbol, by for example
1407 elf_s390_adjust_dynamic_symbol when we're doing a proper dynamic link,
1408 or elf_s390_size_dynamic_sections if no dynamic sections will be
1409 created (we're only linking static objects). */
1410
1411static void
2c3fc389 1412elf_s390_adjust_gotplt (struct elf_s390_link_hash_entry *h)
5236c819
MS		 1413{
1414 if (h->elf.root.type == bfd_link_hash_warning)
1415 h = (struct elf_s390_link_hash_entry *) h->elf.root.u.i.link;
1416
1417 if (h->gotplt_refcount <= 0)
1418 return;
1419
1420 /* We simply add the number of gotplt references to the number
1421 * of got references for this symbol. */
1422 h->elf.got.refcount += h->gotplt_refcount;
1423 h->gotplt_refcount = -1;
1424}
1425
63c1f59d
AM		 1426/* Find dynamic relocs for H that apply to read-only sections. */
1427
1428static asection *
1429readonly_dynrelocs (struct elf_link_hash_entry *h)
1430{
1431 struct elf_dyn_relocs *p;
1432
1433 for (p = elf_s390_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
1434 {
1435 asection *s = p->sec->output_section;
1436
1437 if (s != NULL && (s->flags & SEC_READONLY) != 0)
1438 return p->sec;
1439 }
1440 return NULL;
1441}
1442
a85d7ed0
NC		 1443/* Adjust a symbol defined by a dynamic object and referenced by a
1444 regular object. The current definition is in some section of the
1445 dynamic object, but we're not including those sections. We have to
1446 change the definition to something the rest of the link can
1447 understand. */
1448
b34976b6 1449static bfd_boolean
2c3fc389
NC		 1450elf_s390_adjust_dynamic_symbol (struct bfd_link_info *info,
1451 struct elf_link_hash_entry *h)
a85d7ed0 1452{
0451c93c 1453 struct elf_s390_link_hash_table *htab;
5474d94f 1454 asection *s, *srel;
a85d7ed0 1455
470b557a
AK		 1456 /* STT_GNU_IFUNC symbol must go through PLT. */
1457 if (s390_is_ifunc_symbol_p (h))
d8ee9e44
AK		 1458 {
1459 /* All local STT_GNU_IFUNC references must be treated as local
1460 calls via local PLT. */
1461 if (h->ref_regular && SYMBOL_CALLS_LOCAL (info, h))
1462 {
1463 bfd_size_type pc_count = 0, count = 0;
1464 struct elf_dyn_relocs **pp;
1465 struct elf_s390_link_hash_entry *eh;
1466 struct elf_dyn_relocs *p;
1467
1468 eh = (struct elf_s390_link_hash_entry *) h;
1469 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
1470 {
1471 pc_count += p->pc_count;
1472 p->count -= p->pc_count;
1473 p->pc_count = 0;
1474 count += p->count;
1475 if (p->count == 0)
1476 *pp = p->next;
1477 else
1478 pp = &p->next;
1479 }
1480
1481 if (pc_count || count)
1482 {
1483 h->needs_plt = 1;
1484 h->non_got_ref = 1;
1485 if (h->plt.refcount <= 0)
1486 h->plt.refcount = 1;
1487 else
1488 h->plt.refcount += 1;
1489 }
1490 }
1491
1492 if (h->plt.refcount <= 0)
1493 {
1494 h->plt.offset = (bfd_vma) -1;
1495 h->needs_plt = 0;
1496 }
1497 return TRUE;
1498 }
470b557a 1499
a85d7ed0
NC		 1500 /* If this is a function, put it in the procedure linkage table. We
1501 will fill in the contents of the procedure linkage table later
cedb70c5 1502 (although we could actually do it here). */
a85d7ed0 1503 if (h->type == STT_FUNC
f5385ebf 1504 || h->needs_plt)
a85d7ed0 1505 {
0451c93c 1506 if (h->plt.refcount <= 0
8c21ca21
AK		 1507 || SYMBOL_CALLS_LOCAL (info, h)
1508 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1509 && h->root.type != bfd_link_hash_undefweak))
a85d7ed0
NC		 1510 {
1511 /* This case can occur if we saw a PLT32 reloc in an input
26e41594
AM		 1512 file, but the symbol was never referred to by a dynamic
1513 object, or if all references were garbage collected. In
a85d7ed0
NC		 1514 such a case, we don't actually need to build a procedure
1515 linkage table, and we can just do a PC32 reloc instead. */
1516 h->plt.offset = (bfd_vma) -1;
f5385ebf 1517 h->needs_plt = 0;
5236c819 1518 elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
a85d7ed0
NC		 1519 }
1520
b34976b6 1521 return TRUE;
a85d7ed0 1522 }
bbd7ec4a 1523 else
0451c93c
MS		 1524 /* It's possible that we incorrectly decided a .plt reloc was
1525 needed for an R_390_PC32 reloc to a non-function sym in
1526 check_relocs. We can't decide accurately between function and
1527 non-function syms in check-relocs; Objects loaded later in
1528 the link may change h->type. So fix it now. */
bbd7ec4a 1529 h->plt.offset = (bfd_vma) -1;
a85d7ed0
NC		 1530
1531 /* If this is a weak symbol, and there is a real definition, the
1532 processor independent code will have arranged for us to see the
1533 real definition first, and we can just use the same value. */
60d67dc8 1534 if (h->is_weakalias)
a85d7ed0 1535 {
60d67dc8
AM		 1536 struct elf_link_hash_entry *def = weakdef (h);
1537 BFD_ASSERT (def->root.type == bfd_link_hash_defined);
1538 h->root.u.def.section = def->root.u.def.section;
1539 h->root.u.def.value = def->root.u.def.value;
64285810 1540 if (ELIMINATE_COPY_RELOCS || info->nocopyreloc)
60d67dc8 1541 h->non_got_ref = def->non_got_ref;
b34976b6 1542 return TRUE;
a85d7ed0
NC		 1543 }
1544
1545 /* This is a reference to a symbol defined by a dynamic object which
1546 is not a function. */
1547
1548 /* If we are creating a shared library, we must presume that the
1549 only references to the symbol are via the global offset table.
1550 For such cases we need not do anything here; the relocations will
1551 be handled correctly by relocate_section. */
0e1862bb 1552 if (bfd_link_pic (info))
b34976b6 1553 return TRUE;
a85d7ed0
NC		 1554
1555 /* If there are no references to this symbol that do not use the
1556 GOT, we don't need to generate a copy reloc. */
f5385ebf 1557 if (!h->non_got_ref)
b34976b6 1558 return TRUE;
a85d7ed0 1559
0451c93c
MS		 1560 /* If -z nocopyreloc was given, we won't generate them either. */
1561 if (info->nocopyreloc)
1562 {
f5385ebf 1563 h->non_got_ref = 0;
b34976b6 1564 return TRUE;
0451c93c
MS		 1565 }
1566
3bf083ed
AM		 1567 /* If we don't find any dynamic relocs in read-only sections, then
1568 we'll be keeping the dynamic relocs and avoiding the copy reloc. */
1569 if (ELIMINATE_COPY_RELOCS && !readonly_dynrelocs (h))
0451c93c 1570 {
3bf083ed
AM		 1571 h->non_got_ref = 0;
1572 return TRUE;
0451c93c
MS		 1573 }
1574
a85d7ed0
NC		 1575 /* We must allocate the symbol in our .dynbss section, which will
1576 become part of the .bss section of the executable. There will be
1577 an entry for this symbol in the .dynsym section. The dynamic
1578 object will contain position independent code, so all references
1579 from the dynamic object to this symbol will go through the global
1580 offset table. The dynamic linker will use the .dynsym entry to
1581 determine the address it must put in the global offset table, so
1582 both the dynamic object and the regular object will refer to the
1583 same memory location for the variable. */
1584
0451c93c 1585 htab = elf_s390_hash_table (info);
a85d7ed0 1586
0451c93c
MS		 1587 /* We must generate a R_390_COPY reloc to tell the dynamic linker to
1588 copy the initial value out of the dynamic object and into the
1589 runtime process image. */
5474d94f
AM		 1590 if ((h->root.u.def.section->flags & SEC_READONLY) != 0)
1591 {
1592 s = htab->elf.sdynrelro;
1593 srel = htab->elf.sreldynrelro;
1594 }
1595 else
1596 {
1597 s = htab->elf.sdynbss;
1598 srel = htab->elf.srelbss;
1599 }
1d7e9d18 1600 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0)
a85d7ed0 1601 {
5474d94f 1602 srel->size += sizeof (Elf32_External_Rela);
f5385ebf 1603 h->needs_copy = 1;
a85d7ed0
NC		 1604 }
1605
6cabe1ea 1606 return _bfd_elf_adjust_dynamic_copy (info, h, s);
a85d7ed0
NC		 1607}
1608
0451c93c
MS		 1609/* Allocate space in .plt, .got and associated reloc sections for
1610 dynamic relocs. */
1611
b34976b6 1612static bfd_boolean
2c3fc389 1613allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
0451c93c
MS		 1614{
1615 struct bfd_link_info *info;
1616 struct elf_s390_link_hash_table *htab;
470b557a 1617 struct elf_s390_link_hash_entry *eh = (struct elf_s390_link_hash_entry *)h;
00d8c7a9 1618 struct elf_dyn_relocs *p;
0451c93c 1619
e92d460e 1620 if (h->root.type == bfd_link_hash_indirect)
b34976b6 1621 return TRUE;
0451c93c
MS		 1622
1623 info = (struct bfd_link_info *) inf;
1624 htab = elf_s390_hash_table (info);
1625
470b557a
AK		 1626 /* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
1627 here if it is defined and referenced in a non-shared object. */
1628 if (s390_is_ifunc_symbol_p (h) && h->def_regular)
61643fba 1629 return s390_elf_allocate_ifunc_dyn_relocs (info, h);
470b557a
AK		 1630 else if (htab->elf.dynamic_sections_created
1631 && h->plt.refcount > 0)
0451c93c
MS		 1632 {
1633 /* Make sure this symbol is output as a dynamic symbol.
1634 Undefined weak syms won't yet be marked as dynamic. */
1635 if (h->dynindx == -1
f5385ebf 1636 && !h->forced_local)
0451c93c 1637 {
c152c796 1638 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 1639 return FALSE;
0451c93c
MS		 1640 }
1641
0e1862bb 1642 if (bfd_link_pic (info)
4ec72bde 1643 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
0451c93c 1644 {
f41345a7 1645 asection *s = htab->elf.splt;
0451c93c
MS		 1646
1647 /* If this is the first .plt entry, make room for the special
1648 first entry. */
eea6121a
AM		 1649 if (s->size == 0)
1650 s->size += PLT_FIRST_ENTRY_SIZE;
0451c93c 1651
eea6121a 1652 h->plt.offset = s->size;
0451c93c
MS		 1653
1654 /* If this symbol is not defined in a regular file, and we are
1655 not generating a shared library, then set the symbol to this
1656 location in the .plt. This is required to make function
1657 pointers compare as equal between the normal executable and
1658 the shared library. */
0e1862bb 1659 if (! bfd_link_pic (info)
f5385ebf 1660 && !h->def_regular)
0451c93c
MS		 1661 {
1662 h->root.u.def.section = s;
1663 h->root.u.def.value = h->plt.offset;
1664 }
ec338859 1665
0451c93c 1666 /* Make room for this entry. */
eea6121a 1667 s->size += PLT_ENTRY_SIZE;
ec338859 1668
24801b15
AK		 1669 /* We also need to make an entry in the .got.plt section, which
1670 will be placed in the .got section by the linker script. */
f41345a7 1671 htab->elf.sgotplt->size += GOT_ENTRY_SIZE;
0451c93c
MS		 1672
1673 /* We also need to make an entry in the .rela.plt section. */
f41345a7 1674 htab->elf.srelplt->size += sizeof (Elf32_External_Rela);
0451c93c
MS		 1675 }
1676 else
1677 {
07d6d2b8 1678 h->plt.offset = (bfd_vma) -1;
f5385ebf 1679 h->needs_plt = 0;
5236c819 1680 elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
0451c93c 1681 }
ec338859 1682 }
0451c93c
MS		 1683 else
1684 {
1685 h->plt.offset = (bfd_vma) -1;
f5385ebf 1686 h->needs_plt = 0;
5236c819 1687 elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
ec338859
AM		 1688 }
1689
69fc87f1
MS		 1690 /* If R_390_TLS_{IE32,GOTIE32,GOTIE12,IEENT} symbol is now local to
1691 the binary, we can optimize a bit. IE32 and GOTIE32 get converted
1692 to R_390_TLS_LE32 requiring no TLS entry. For GOTIE12 and IEENT
1693 we can save the dynamic TLS relocation. */
1694 if (h->got.refcount > 0
0e1862bb 1695 && !bfd_link_pic (info)
69fc87f1
MS		 1696 && h->dynindx == -1
1697 && elf_s390_hash_entry(h)->tls_type >= GOT_TLS_IE)
0451c93c 1698 {
69fc87f1
MS		 1699 if (elf_s390_hash_entry(h)->tls_type == GOT_TLS_IE_NLT)
1700 /* For the GOTIE access without a literal pool entry the offset has
1701 to be stored somewhere. The immediate value in the instruction
1702 is not bit enough so the value is stored in the got. */
1703 {
f41345a7
AK		 1704 h->got.offset = htab->elf.sgot->size;
1705 htab->elf.sgot->size += GOT_ENTRY_SIZE;
69fc87f1
MS		 1706 }
1707 else
1708 h->got.offset = (bfd_vma) -1;
1709 }
1710 else if (h->got.refcount > 0)
ceada896 1711 {
0451c93c 1712 asection *s;
b34976b6 1713 bfd_boolean dyn;
69fc87f1 1714 int tls_type = elf_s390_hash_entry(h)->tls_type;
0451c93c
MS		 1715
1716 /* Make sure this symbol is output as a dynamic symbol.
1717 Undefined weak syms won't yet be marked as dynamic. */
1718 if (h->dynindx == -1
f5385ebf 1719 && !h->forced_local)
0451c93c 1720 {
c152c796 1721 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 1722 return FALSE;
0451c93c
MS		 1723 }
1724
f41345a7 1725 s = htab->elf.sgot;
eea6121a
AM		 1726 h->got.offset = s->size;
1727 s->size += GOT_ENTRY_SIZE;
69fc87f1
MS		 1728 /* R_390_TLS_GD32 needs 2 consecutive GOT slots. */
1729 if (tls_type == GOT_TLS_GD)
eea6121a 1730 s->size += GOT_ENTRY_SIZE;
0451c93c 1731 dyn = htab->elf.dynamic_sections_created;
69fc87f1
MS		 1732 /* R_390_TLS_IE32 needs one dynamic relocation,
1733 R_390_TLS_GD32 needs one if local symbol and two if global. */
1734 if ((tls_type == GOT_TLS_GD && h->dynindx == -1)
1735 || tls_type >= GOT_TLS_IE)
f41345a7 1736 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
69fc87f1 1737 else if (tls_type == GOT_TLS_GD)
f41345a7 1738 htab->elf.srelgot->size += 2 * sizeof (Elf32_External_Rela);
82058a73
MS		 1739 else if ((ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
1740 || h->root.type != bfd_link_hash_undefweak)
0e1862bb 1741 && (bfd_link_pic (info)
82058a73 1742 || WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, 0, h)))
f41345a7 1743 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
0451c93c
MS		 1744 }
1745 else
1746 h->got.offset = (bfd_vma) -1;
1747
0451c93c 1748 if (eh->dyn_relocs == NULL)
b34976b6 1749 return TRUE;
0451c93c
MS		 1750
1751 /* In the shared -Bsymbolic case, discard space allocated for
1752 dynamic pc-relative relocs against symbols which turn out to be
1753 defined in regular objects. For the normal shared case, discard
1754 space for pc-relative relocs that have become local due to symbol
1755 visibility changes. */
1756
0e1862bb 1757 if (bfd_link_pic (info))
0451c93c 1758 {
8c21ca21 1759 if (SYMBOL_CALLS_LOCAL (info, h))
0451c93c 1760 {
00d8c7a9 1761 struct elf_dyn_relocs **pp;
0451c93c
MS		 1762
1763 for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
1764 {
1765 p->count -= p->pc_count;
1766 p->pc_count = 0;
1767 if (p->count == 0)
1768 *pp = p->next;
1769 else
1770 pp = &p->next;
1771 }
1772 }
82058a73
MS		 1773
1774 /* Also discard relocs on undefined weak syms with non-default
1775 visibility. */
22d606e9 1776 if (eh->dyn_relocs != NULL
82058a73 1777 && h->root.type == bfd_link_hash_undefweak)
22d606e9 1778 {
b27bb18f
L		 1779 if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
1780 || UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
22d606e9
AM		 1781 eh->dyn_relocs = NULL;
1782
1783 /* Make sure undefined weak symbols are output as a dynamic
1784 symbol in PIEs. */
1785 else if (h->dynindx == -1
1786 && !h->forced_local)
1787 {
1788 if (! bfd_elf_link_record_dynamic_symbol (info, h))
1789 return FALSE;
1790 }
1791 }
0451c93c 1792 }
64285810 1793 else if (ELIMINATE_COPY_RELOCS)
0451c93c
MS		 1794 {
1795 /* For the non-shared case, discard space for relocs against
1796 symbols which turn out to need copy relocs or are not
1797 dynamic. */
1798
f5385ebf
AM		 1799 if (!h->non_got_ref
1800 && ((h->def_dynamic
1801 && !h->def_regular)
0451c93c
MS		 1802 || (htab->elf.dynamic_sections_created
1803 && (h->root.type == bfd_link_hash_undefweak
1804 || h->root.type == bfd_link_hash_undefined))))
1805 {
1806 /* Make sure this symbol is output as a dynamic symbol.
1807 Undefined weak syms won't yet be marked as dynamic. */
1808 if (h->dynindx == -1
f5385ebf 1809 && !h->forced_local)
0451c93c 1810 {
c152c796 1811 if (! bfd_elf_link_record_dynamic_symbol (info, h))
b34976b6 1812 return FALSE;
0451c93c
MS		 1813 }
1814
1815 /* If that succeeded, we know we'll be keeping all the
1816 relocs. */
1817 if (h->dynindx != -1)
1818 goto keep;
1819 }
1820
1821 eh->dyn_relocs = NULL;
1822
ec338859 1823 keep: ;
0451c93c
MS		 1824 }
1825
1826 /* Finally, allocate space. */
1827 for (p = eh->dyn_relocs; p != NULL; p = p->next)
1828 {
1829 asection *sreloc = elf_section_data (p->sec)->sreloc;
ae9a127f 1830
eea6121a 1831 sreloc->size += p->count * sizeof (Elf32_External_Rela);
0451c93c
MS		 1832 }
1833
b34976b6 1834 return TRUE;
0451c93c
MS		 1835}
1836
63c1f59d
AM		 1837/* Set DF_TEXTREL if we find any dynamic relocs that apply to
1838 read-only sections. */
0451c93c 1839
b34976b6 1840static bfd_boolean
63c1f59d 1841maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
0451c93c 1842{
63c1f59d 1843 asection *sec;
0451c93c 1844
63c1f59d
AM		 1845 if (h->root.type == bfd_link_hash_indirect)
1846 return TRUE;
0451c93c 1847
63c1f59d
AM		 1848 sec = readonly_dynrelocs (h);
1849 if (sec != NULL)
1850 {
1851 struct bfd_link_info *info = (struct bfd_link_info *) info_p;
0451c93c 1852
63c1f59d
AM		 1853 info->flags |= DF_TEXTREL;
1854 info->callbacks->minfo
c1c8c1ef 1855 (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
63c1f59d 1856 sec->owner, h->root.root.string, sec);
0451c93c 1857
63c1f59d
AM		 1858 /* Not an error, just cut short the traversal. */
1859 return FALSE;
0451c93c 1860 }
b34976b6 1861 return TRUE;
0451c93c
MS		 1862}
1863
a85d7ed0
NC		 1864/* Set the sizes of the dynamic sections. */
1865
b34976b6 1866static bfd_boolean
2c3fc389
NC		 1867elf_s390_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
1868 struct bfd_link_info *info)
a85d7ed0 1869{
0451c93c 1870 struct elf_s390_link_hash_table *htab;
a85d7ed0
NC		 1871 bfd *dynobj;
1872 asection *s;
b34976b6 1873 bfd_boolean relocs;
0451c93c 1874 bfd *ibfd;
a85d7ed0 1875
0451c93c
MS		 1876 htab = elf_s390_hash_table (info);
1877 dynobj = htab->elf.dynobj;
1878 if (dynobj == NULL)
1879 abort ();
a85d7ed0 1880
0451c93c 1881 if (htab->elf.dynamic_sections_created)
a85d7ed0
NC		 1882 {
1883 /* Set the contents of the .interp section to the interpreter. */
9b8b325a 1884 if (bfd_link_executable (info) && !info->nointerp)
a85d7ed0 1885 {
3d4d4302 1886 s = bfd_get_linker_section (dynobj, ".interp");
0451c93c
MS		 1887 if (s == NULL)
1888 abort ();
eea6121a 1889 s->size = sizeof ELF_DYNAMIC_INTERPRETER;
a85d7ed0
NC		 1890 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
1891 }
1892 }
a85d7ed0 1893
0451c93c
MS		 1894 /* Set up .got offsets for local syms, and space for local dynamic
1895 relocs. */
c72f2fb2 1896 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
a85d7ed0 1897 {
0451c93c
MS		 1898 bfd_signed_vma *local_got;
1899 bfd_signed_vma *end_local_got;
69fc87f1 1900 char *local_tls_type;
0451c93c
MS		 1901 bfd_size_type locsymcount;
1902 Elf_Internal_Shdr *symtab_hdr;
1903 asection *srela;
470b557a
AK		 1904 struct plt_entry *local_plt;
1905 unsigned int i;
a85d7ed0 1906
0ffa91dd 1907 if (! is_s390_elf (ibfd))
a85d7ed0
NC		 1908 continue;
1909
0451c93c 1910 for (s = ibfd->sections; s != NULL; s = s->next)
a85d7ed0 1911 {
00d8c7a9 1912 struct elf_dyn_relocs *p;
0451c93c 1913
6edfbbad 1914 for (p = elf_section_data (s)->local_dynrel; p != NULL; p = p->next)
a85d7ed0 1915 {
ec338859
AM		 1916 if (!bfd_is_abs_section (p->sec)
1917 && bfd_is_abs_section (p->sec->output_section))
1918 {
1919 /* Input section has been discarded, either because
1920 it is a copy of a linkonce section or due to
1921 linker script /DISCARD/, so we'll be discarding
1922 the relocs too. */
1923 }
248866a8 1924 else if (p->count != 0)
ec338859
AM		 1925 {
1926 srela = elf_section_data (p->sec)->sreloc;
eea6121a 1927 srela->size += p->count * sizeof (Elf32_External_Rela);
248866a8
AM		 1928 if ((p->sec->output_section->flags & SEC_READONLY) != 0)
1929 info->flags |= DF_TEXTREL;
ec338859 1930 }
a85d7ed0
NC		 1931 }
1932 }
0451c93c
MS		 1933
1934 local_got = elf_local_got_refcounts (ibfd);
1935 if (!local_got)
1936 continue;
1937
0ffa91dd 1938 symtab_hdr = &elf_symtab_hdr (ibfd);
0451c93c
MS		 1939 locsymcount = symtab_hdr->sh_info;
1940 end_local_got = local_got + locsymcount;
69fc87f1 1941 local_tls_type = elf_s390_local_got_tls_type (ibfd);
f41345a7
AK		 1942 s = htab->elf.sgot;
1943 srela = htab->elf.srelgot;
69fc87f1 1944 for (; local_got < end_local_got; ++local_got, ++local_tls_type)
a85d7ed0 1945 {
0451c93c 1946 if (*local_got > 0)
a85d7ed0 1947 {
eea6121a
AM		 1948 *local_got = s->size;
1949 s->size += GOT_ENTRY_SIZE;
69fc87f1 1950 if (*local_tls_type == GOT_TLS_GD)
eea6121a 1951 s->size += GOT_ENTRY_SIZE;
0e1862bb 1952 if (bfd_link_pic (info))
eea6121a 1953 srela->size += sizeof (Elf32_External_Rela);
a85d7ed0
NC		 1954 }
1955 else
0451c93c
MS		 1956 *local_got = (bfd_vma) -1;
1957 }
470b557a
AK		 1958 local_plt = elf_s390_local_plt (ibfd);
1959 for (i = 0; i < symtab_hdr->sh_info; i++)
1960 {
1961 if (local_plt[i].plt.refcount > 0)
1962 {
1963 local_plt[i].plt.offset = htab->elf.iplt->size;
1964 htab->elf.iplt->size += PLT_ENTRY_SIZE;
1965 htab->elf.igotplt->size += GOT_ENTRY_SIZE;
1966 htab->elf.irelplt->size += RELA_ENTRY_SIZE;
1967 }
1968 else
07d6d2b8 1969 local_plt[i].plt.offset = (bfd_vma) -1;
470b557a 1970 }
0451c93c
MS		 1971 }
1972
69fc87f1
MS		 1973 if (htab->tls_ldm_got.refcount > 0)
1974 {
1975 /* Allocate 2 got entries and 1 dynamic reloc for R_390_TLS_LDM32
1976 relocs. */
f41345a7
AK		 1977 htab->tls_ldm_got.offset = htab->elf.sgot->size;
1978 htab->elf.sgot->size += 2 * GOT_ENTRY_SIZE;
1979 htab->elf.srelgot->size += sizeof (Elf32_External_Rela);
69fc87f1
MS		 1980 }
1981 else
1982 htab->tls_ldm_got.offset = -1;
1983
0451c93c
MS		 1984 /* Allocate global sym .plt and .got entries, and space for global
1985 sym dynamic relocs. */
2c3fc389 1986 elf_link_hash_traverse (&htab->elf, allocate_dynrelocs, info);
0451c93c
MS		 1987
1988 /* We now have determined the sizes of the various dynamic sections.
1989 Allocate memory for them. */
b34976b6 1990 relocs = FALSE;
0451c93c
MS		 1991 for (s = dynobj->sections; s != NULL; s = s->next)
1992 {
1993 if ((s->flags & SEC_LINKER_CREATED) == 0)
1994 continue;
1995
f41345a7
AK		 1996 if (s == htab->elf.splt
1997 || s == htab->elf.sgot
1998 || s == htab->elf.sgotplt
9d19e4fd 1999 || s == htab->elf.sdynbss
5474d94f 2000 || s == htab->elf.sdynrelro
470b557a
AK		 2001 || s == htab->elf.iplt
2002 || s == htab->elf.igotplt
2003 || s == htab->irelifunc)
0451c93c
MS		 2004 {
2005 /* Strip this section if we don't need it; see the
2006 comment below. */
a85d7ed0 2007 }
0112cd26 2008 else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
0451c93c 2009 {
eea6121a 2010 if (s->size != 0)
b34976b6 2011 relocs = TRUE;
ec338859 2012
0451c93c
MS		 2013 /* We use the reloc_count field as a counter if we need
2014 to copy relocs into the output file. */
2015 s->reloc_count = 0;
2016 }
2017 else
a85d7ed0
NC		 2018 {
2019 /* It's not one of our sections, so don't allocate space. */
2020 continue;
2021 }
2022
eea6121a 2023 if (s->size == 0)
a85d7ed0 2024 {
0451c93c
MS		 2025 /* If we don't need this section, strip it from the
2026 output file. This is to handle .rela.bss and
2027 .rela.plt. We must create it in
2028 create_dynamic_sections, because it must be created
2029 before the linker maps input sections to output
2030 sections. The linker does that before
2031 adjust_dynamic_symbol is called, and it is that
2032 function which decides whether anything needs to go
2033 into these sections. */
2034
8423293d 2035 s->flags |= SEC_EXCLUDE;
a85d7ed0
NC		 2036 continue;
2037 }
2038
c456f082
AM		 2039 if ((s->flags & SEC_HAS_CONTENTS) == 0)
2040 continue;
2041
0451c93c
MS		 2042 /* Allocate memory for the section contents. We use bfd_zalloc
2043 here in case unused entries are not reclaimed before the
2044 section's contents are written out. This should not happen,
2045 but this way if it does, we get a R_390_NONE reloc instead
2046 of garbage. */
eea6121a 2047 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
0451c93c 2048 if (s->contents == NULL)
b34976b6 2049 return FALSE;
a85d7ed0 2050 }
ec338859 2051
0451c93c 2052 if (htab->elf.dynamic_sections_created)
a85d7ed0
NC		 2053 {
2054 /* Add some entries to the .dynamic section. We fill in the
2055 values later, in elf_s390_finish_dynamic_sections, but we
2056 must add the entries now so that we get the correct size for
2057 the .dynamic section. The DT_DEBUG entry is filled in by the
2058 dynamic linker and used by the debugger. */
dc810e39 2059#define add_dynamic_entry(TAG, VAL) \
5a580b3a 2060 _bfd_elf_add_dynamic_entry (info, TAG, VAL)
ec338859 2061
0e1862bb 2062 if (bfd_link_executable (info))
a85d7ed0 2063 {
dc810e39 2064 if (!add_dynamic_entry (DT_DEBUG, 0))
b34976b6 2065 return FALSE;
a85d7ed0 2066 }
ec338859 2067
f41345a7 2068 if (htab->elf.splt->size != 0)
a85d7ed0 2069 {
dc810e39
AM		 2070 if (!add_dynamic_entry (DT_PLTGOT, 0)
2071 || !add_dynamic_entry (DT_PLTRELSZ, 0)
2072 || !add_dynamic_entry (DT_PLTREL, DT_RELA)
2073 || !add_dynamic_entry (DT_JMPREL, 0))
b34976b6 2074 return FALSE;
a85d7ed0 2075 }
ec338859 2076
a85d7ed0 2077 if (relocs)
26e41594
AM		 2078 {
2079 if (!add_dynamic_entry (DT_RELA, 0)
2080 || !add_dynamic_entry (DT_RELASZ, 0)
2081 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
b34976b6 2082 return FALSE;
a85d7ed0 2083
0451c93c
MS		 2084 /* If any dynamic relocs apply to a read-only section,
2085 then we need a DT_TEXTREL entry. */
248866a8 2086 if ((info->flags & DF_TEXTREL) == 0)
63c1f59d 2087 elf_link_hash_traverse (&htab->elf, maybe_set_textrel, info);
ec338859 2088
0451c93c
MS		 2089 if ((info->flags & DF_TEXTREL) != 0)
2090 {
2091 if (!add_dynamic_entry (DT_TEXTREL, 0))
b34976b6 2092 return FALSE;
0451c93c 2093 }
a85d7ed0
NC		 2094 }
2095 }
dc810e39 2096#undef add_dynamic_entry
ec338859 2097
b34976b6 2098 return TRUE;
a85d7ed0
NC		 2099}
2100
69fc87f1
MS		 2101/* Return the base VMA address which should be subtracted from real addresses
2102 when resolving @dtpoff relocation.
2103 This is PT_TLS segment p_vaddr. */
2104
2105static bfd_vma
2c3fc389 2106dtpoff_base (struct bfd_link_info *info)
69fc87f1 2107{
e1918d23
AM		 2108 /* If tls_sec is NULL, we should have signalled an error already. */
2109 if (elf_hash_table (info)->tls_sec == NULL)
69fc87f1 2110 return 0;
e1918d23 2111 return elf_hash_table (info)->tls_sec->vma;
69fc87f1
MS		 2112}
2113
2114/* Return the relocation value for @tpoff relocation
2115 if STT_TLS virtual address is ADDRESS. */
2116
2117static bfd_vma
2c3fc389 2118tpoff (struct bfd_link_info *info, bfd_vma address)
69fc87f1 2119{
e1918d23 2120 struct elf_link_hash_table *htab = elf_hash_table (info);
69fc87f1 2121
e1918d23
AM		 2122 /* If tls_sec is NULL, we should have signalled an error already. */
2123 if (htab->tls_sec == NULL)
69fc87f1 2124 return 0;
e1918d23 2125 return htab->tls_size + htab->tls_sec->vma - address;
69fc87f1
MS		 2126}
2127
2128/* Complain if TLS instruction relocation is against an invalid
2129 instruction. */
2130
2131static void
2c3fc389
NC		 2132invalid_tls_insn (bfd *input_bfd,
2133 asection *input_section,
2134 Elf_Internal_Rela *rel)
69fc87f1
MS		 2135{
2136 reloc_howto_type *howto;
2137
2138 howto = elf_howto_table + ELF32_R_TYPE (rel->r_info);
4eca0228 2139 _bfd_error_handler
695344c0 2140 /* xgettext:c-format */
2dcf00ce 2141 (_("%pB(%pA+%#" PRIx64 "): invalid instruction for TLS relocation %s"),
d003868e
AM		 2142 input_bfd,
2143 input_section,
2dcf00ce 2144 (uint64_t) rel->r_offset,
69fc87f1 2145 howto->name);
77df2968 2146 bfd_set_error (bfd_error_bad_value);
69fc87f1
MS		 2147}
2148
a85d7ed0
NC		 2149/* Relocate a 390 ELF section. */
2150
b34976b6 2151static bfd_boolean
2c3fc389
NC		 2152elf_s390_relocate_section (bfd *output_bfd,
2153 struct bfd_link_info *info,
2154 bfd *input_bfd,
2155 asection *input_section,
2156 bfd_byte *contents,
2157 Elf_Internal_Rela *relocs,
2158 Elf_Internal_Sym *local_syms,
2159 asection **local_sections)
a85d7ed0 2160{
0451c93c 2161 struct elf_s390_link_hash_table *htab;
a85d7ed0
NC		 2162 Elf_Internal_Shdr *symtab_hdr;
2163 struct elf_link_hash_entry **sym_hashes;
2164 bfd_vma *local_got_offsets;
a85d7ed0
NC		 2165 Elf_Internal_Rela *rel;
2166 Elf_Internal_Rela *relend;
2167
7af5d5c4
AM		 2168 if (!is_s390_elf (input_bfd))
2169 {
2170 bfd_set_error (bfd_error_wrong_format);
2171 return FALSE;
2172 }
0ffa91dd 2173
0451c93c 2174 htab = elf_s390_hash_table (info);
0ffa91dd 2175 symtab_hdr = &elf_symtab_hdr (input_bfd);
a85d7ed0
NC		 2176 sym_hashes = elf_sym_hashes (input_bfd);
2177 local_got_offsets = elf_local_got_offsets (input_bfd);
2178
a85d7ed0
NC		 2179 rel = relocs;
2180 relend = relocs + input_section->reloc_count;
2181 for (; rel < relend; rel++)
2182 {
5236c819 2183 unsigned int r_type;
a85d7ed0
NC		 2184 reloc_howto_type *howto;
2185 unsigned long r_symndx;
2186 struct elf_link_hash_entry *h;
2187 Elf_Internal_Sym *sym;
2188 asection *sec;
0451c93c 2189 bfd_vma off;
a85d7ed0 2190 bfd_vma relocation;
b34976b6 2191 bfd_boolean unresolved_reloc;
a85d7ed0 2192 bfd_reloc_status_type r;
69fc87f1 2193 int tls_type;
470b557a 2194 asection *base_got = htab->elf.sgot;
b27bb18f 2195 bfd_boolean resolved_to_zero;
ec338859 2196
a85d7ed0
NC		 2197 r_type = ELF32_R_TYPE (rel->r_info);
2198 if (r_type == (int) R_390_GNU_VTINHERIT
26e41594
AM		 2199 || r_type == (int) R_390_GNU_VTENTRY)
2200 continue;
5236c819 2201 if (r_type >= (int) R_390_max)
a85d7ed0
NC		 2202 {
2203 bfd_set_error (bfd_error_bad_value);
b34976b6 2204 return FALSE;
a85d7ed0 2205 }
ec338859 2206
b491616a 2207 howto = elf_howto_table + r_type;
a85d7ed0 2208 r_symndx = ELF32_R_SYM (rel->r_info);
5236c819 2209
a85d7ed0
NC		 2210 h = NULL;
2211 sym = NULL;
2212 sec = NULL;
b34976b6 2213 unresolved_reloc = FALSE;
a85d7ed0
NC		 2214 if (r_symndx < symtab_hdr->sh_info)
2215 {
2216 sym = local_syms + r_symndx;
2217 sec = local_sections[r_symndx];
470b557a
AK		 2218 if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
2219 {
2220 struct plt_entry *local_plt = elf_s390_local_plt (input_bfd);
2221 if (local_plt == NULL)
2222 return FALSE;
2223
2224 /* Address of the PLT slot. */
2225 relocation = (htab->elf.iplt->output_section->vma
2226 + htab->elf.iplt->output_offset
2227 + local_plt[r_symndx].plt.offset);
2228
2229 switch (r_type)
2230 {
31db78f6
AK		 2231 case R_390_PLTOFF16:
2232 case R_390_PLTOFF32:
2233 relocation -= htab->elf.sgot->output_section->vma;
2234 break;
470b557a
AK		 2235 case R_390_GOTPLT12:
2236 case R_390_GOTPLT16:
2237 case R_390_GOTPLT20:
2238 case R_390_GOTPLT32:
2239 case R_390_GOTPLTENT:
2240 case R_390_GOT12:
2241 case R_390_GOT16:
2242 case R_390_GOT20:
2243 case R_390_GOT32:
2244 case R_390_GOTENT:
2245 {
2246 /* Write the PLT slot address into the GOT slot. */
2247 bfd_put_32 (output_bfd, relocation,
2248 htab->elf.sgot->contents +
2249 local_got_offsets[r_symndx]);
2250 relocation = (local_got_offsets[r_symndx] +
2251 htab->elf.sgot->output_offset);
2252
2253 if (r_type == R_390_GOTENT || r_type == R_390_GOTPLTENT)
2254 relocation += htab->elf.sgot->output_section->vma;
2255 break;
2256 }
2257 default:
2258 break;
2259 }
2260 /* The output section is needed later in
2261 finish_dynamic_section when creating the dynamic
2262 relocation. */
2263 local_plt[r_symndx].sec = sec;
2264 goto do_relocation;
2265 }
2266 else
2267 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
a85d7ed0
NC		 2268 }
2269 else
2270 {
560e09e9 2271 bfd_boolean warned ATTRIBUTE_UNUSED;
62d887d4 2272 bfd_boolean ignored ATTRIBUTE_UNUSED;
ec338859 2273
b2a8e766
AM		 2274 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
2275 r_symndx, symtab_hdr, sym_hashes,
2276 h, sec, relocation,
62d887d4 2277 unresolved_reloc, warned, ignored);
a85d7ed0 2278 }
ec338859 2279
dbaa2011 2280 if (sec != NULL && discarded_section (sec))
e4067dbb 2281 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b 2282 rel, 1, relend, howto, 0, contents);
ab96bf03 2283
0e1862bb 2284 if (bfd_link_relocatable (info))
ab96bf03
AM		 2285 continue;
2286
b27bb18f
L		 2287 resolved_to_zero = (h != NULL
2288 && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
2289
a85d7ed0
NC		 2290 switch (r_type)
2291 {
5236c819
MS		 2292 case R_390_GOTPLT12:
2293 case R_390_GOTPLT16:
bd1ea41b 2294 case R_390_GOTPLT20:
5236c819
MS		 2295 case R_390_GOTPLT32:
2296 case R_390_GOTPLTENT:
2297 /* There are three cases for a GOTPLT relocation. 1) The
2298 relocation is against the jump slot entry of a plt that
2299 will get emitted to the output file. 2) The relocation
2300 is against the jump slot of a plt entry that has been
2301 removed. elf_s390_adjust_gotplt has created a GOT entry
2302 as replacement. 3) The relocation is against a local symbol.
2303 Cases 2) and 3) are the same as the GOT relocation code
2304 so we just have to test for case 1 and fall through for
2305 the other two. */
2306 if (h != NULL && h->plt.offset != (bfd_vma) -1)
2307 {
2308 bfd_vma plt_index;
2309
470b557a
AK		 2310 if (s390_is_ifunc_symbol_p (h))
2311 {
2312 plt_index = h->plt.offset / PLT_ENTRY_SIZE;
2313 relocation = (plt_index * GOT_ENTRY_SIZE +
2314 htab->elf.igotplt->output_offset);
2315 if (r_type == R_390_GOTPLTENT)
2316 relocation += htab->elf.igotplt->output_section->vma;
2317 }
2318 else
2319 {
2320 /* Calc. index no.
2321 Current offset - size first entry / entry size. */
2322 plt_index = (h->plt.offset - PLT_FIRST_ENTRY_SIZE) /
2323 PLT_ENTRY_SIZE;
2324
2325 /* Offset in GOT is PLT index plus GOT headers(3)
2326 times 4, addr & GOT addr. */
2327 relocation = (plt_index + 3) * GOT_ENTRY_SIZE;
2328 if (r_type == R_390_GOTPLTENT)
2329 relocation += htab->elf.sgot->output_section->vma;
2330 }
5236c819
MS		 2331 unresolved_reloc = FALSE;
2332
5236c819
MS		 2333 }
2334 /* Fall through. */
2335
26e41594
AM		 2336 case R_390_GOT12:
2337 case R_390_GOT16:
bd1ea41b 2338 case R_390_GOT20:
26e41594 2339 case R_390_GOT32:
befc3abb 2340 case R_390_GOTENT:
26e41594
AM		 2341 /* Relocation is to the entry for this symbol in the global
2342 offset table. */
470b557a 2343 if (base_got == NULL)
0451c93c 2344 abort ();
ec338859 2345
26e41594
AM		 2346 if (h != NULL)
2347 {
b34976b6 2348 bfd_boolean dyn;
ec338859 2349
26e41594 2350 off = h->got.offset;
0451c93c 2351 dyn = htab->elf.dynamic_sections_created;
470b557a
AK		 2352
2353 if (s390_is_ifunc_symbol_p (h))
2354 {
2355 BFD_ASSERT (h->plt.offset != (bfd_vma) -1);
2356 if (off == (bfd_vma)-1)
2357 {
2358 /* No explicit GOT usage so redirect to the
2359 got.iplt slot. */
2360 base_got = htab->elf.igotplt;
2361 off = h->plt.offset / PLT_ENTRY_SIZE * GOT_ENTRY_SIZE;
2362 }
2363 else
2364 {
2365 /* Explicit GOT slots must contain the address
2366 of the PLT slot. This will be handled in
2367 finish_dynamic_symbol. */
2368 }
2369 }
0e1862bb
L		 2370 else if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
2371 bfd_link_pic (info),
2372 h)
2373 || (bfd_link_pic (info)
470b557a
AK		 2374 && SYMBOL_REFERENCES_LOCAL (info, h))
2375 || (ELF_ST_VISIBILITY (h->other)
2376 && h->root.type == bfd_link_hash_undefweak))
2377
26e41594
AM		 2378 {
2379 /* This is actually a static link, or it is a
2380 -Bsymbolic link and the symbol is defined
2381 locally, or the symbol was forced to be local
2382 because of a version file. We must initialize
2383 this entry in the global offset table. Since the
2384 offset must always be a multiple of 2, we use the
2385 least significant bit to record whether we have
2386 initialized it already.
2387
2388 When doing a dynamic link, we create a .rel.got
2389 relocation entry to initialize the value. This
2390 is done in the finish_dynamic_symbol routine. */
2391 if ((off & 1) != 0)
2392 off &= ~1;
2393 else
2394 {
a85d7ed0 2395 bfd_put_32 (output_bfd, relocation,
470b557a 2396 base_got->contents + off);
26e41594
AM		 2397 h->got.offset |= 1;
2398 }
a63cc5f7
AK		 2399
2400 if ((h->def_regular
0e1862bb 2401 && bfd_link_pic (info)
a63cc5f7
AK		 2402 && SYMBOL_REFERENCES_LOCAL (info, h))
2403 /* lrl rx,sym@GOTENT -> larl rx, sym */
2404 && ((r_type == R_390_GOTENT
2405 && (bfd_get_16 (input_bfd,
2406 contents + rel->r_offset - 2)
2407 & 0xff0f) == 0xc40d)
2408 /* ly rx, sym@GOT(r12) -> larl rx, sym */
2409 || (r_type == R_390_GOT20
2410 && (bfd_get_32 (input_bfd,
2411 contents + rel->r_offset - 2)
2412 & 0xff00f000) == 0xe300c000
2413 && bfd_get_8 (input_bfd,
2414 contents + rel->r_offset + 3) == 0x58)))
2415 {
2416 unsigned short new_insn =
2417 (0xc000 | (bfd_get_8 (input_bfd,
2418 contents + rel->r_offset - 1) & 0xf0));
2419 bfd_put_16 (output_bfd, new_insn,
2420 contents + rel->r_offset - 2);
2421 r_type = R_390_PC32DBL;
2422 rel->r_addend = 2;
2423 howto = elf_howto_table + r_type;
2424 relocation = h->root.u.def.value
2425 + h->root.u.def.section->output_section->vma
2426 + h->root.u.def.section->output_offset;
2427 goto do_relocation;
2428 }
26e41594 2429 }
0451c93c 2430 else
b34976b6 2431 unresolved_reloc = FALSE;
26e41594
AM		 2432 }
2433 else
2434 {
0451c93c
MS		 2435 if (local_got_offsets == NULL)
2436 abort ();
a85d7ed0 2437
26e41594 2438 off = local_got_offsets[r_symndx];
a85d7ed0 2439
26e41594
AM		 2440 /* The offset must always be a multiple of 4. We use
2441 the least significant bit to record whether we have
2442 already generated the necessary reloc. */
2443 if ((off & 1) != 0)
2444 off &= ~1;
2445 else
2446 {
2447 bfd_put_32 (output_bfd, relocation,
f41345a7 2448 htab->elf.sgot->contents + off);
a85d7ed0 2449
0e1862bb 2450 if (bfd_link_pic (info))
26e41594
AM		 2451 {
2452 asection *srelgot;
2453 Elf_Internal_Rela outrel;
947216bf 2454 bfd_byte *loc;
a85d7ed0 2455
f41345a7 2456 srelgot = htab->elf.srelgot;
0451c93c
MS		 2457 if (srelgot == NULL)
2458 abort ();
a85d7ed0 2459
f41345a7
AK		 2460 outrel.r_offset = (htab->elf.sgot->output_section->vma
2461 + htab->elf.sgot->output_offset
26e41594
AM		 2462 + off);
2463 outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
a85d7ed0 2464 outrel.r_addend = relocation;
947216bf
AM		 2465 loc = srelgot->contents;
2466 loc += srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
26e41594
AM		 2467 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2468 }
a85d7ed0 2469
26e41594
AM		 2470 local_got_offsets[r_symndx] |= 1;
2471 }
2472 }
a85d7ed0 2473
0451c93c
MS		 2474 if (off >= (bfd_vma) -2)
2475 abort ();
a85d7ed0 2476
470b557a 2477 relocation = base_got->output_offset + off;
befc3abb 2478
ae9a127f
NC		 2479 /* For @GOTENT the relocation is against the offset between
2480 the instruction and the symbols entry in the GOT and not
2481 between the start of the GOT and the symbols entry. We
2482 add the vma of the GOT to get the correct value. */
5236c819
MS		 2483 if ( r_type == R_390_GOTENT
2484 || r_type == R_390_GOTPLTENT)
470b557a 2485 relocation += base_got->output_section->vma;
befc3abb 2486
26e41594 2487 break;
dc810e39 2488
5236c819 2489 case R_390_GOTOFF16:
26e41594
AM		 2490 case R_390_GOTOFF32:
2491 /* Relocation is relative to the start of the global offset
2492 table. */
2493
01a53584
AK		 2494 if (h != NULL
2495 && s390_is_ifunc_symbol_p (h)
2496 && h->def_regular
2497 && !bfd_link_executable (info))
2498 {
2499 relocation = (htab->elf.iplt->output_section->vma
2500 + htab->elf.iplt->output_offset
2501 + h->plt.offset
2502 - htab->elf.sgot->output_section->vma);
2503 goto do_relocation;
2504 }
2505
26e41594
AM		 2506 /* Note that sgot->output_offset is not involved in this
2507 calculation. We always want the start of .got. If we
2508 defined _GLOBAL_OFFSET_TABLE in a different way, as is
2509 permitted by the ABI, we might have to change this
2510 calculation. */
f41345a7 2511 relocation -= htab->elf.sgot->output_section->vma;
26e41594
AM		 2512 break;
2513
2514 case R_390_GOTPC:
befc3abb 2515 case R_390_GOTPCDBL:
26e41594 2516 /* Use global offset table as symbol value. */
f41345a7 2517 relocation = htab->elf.sgot->output_section->vma;
b34976b6 2518 unresolved_reloc = FALSE;
26e41594 2519 break;
a85d7ed0 2520
fb798c50 2521 case R_390_PLT12DBL:
26e41594 2522 case R_390_PLT16DBL:
fb798c50 2523 case R_390_PLT24DBL:
26e41594
AM		 2524 case R_390_PLT32DBL:
2525 case R_390_PLT32:
2526 /* Relocation is to the entry for this symbol in the
2527 procedure linkage table. */
a85d7ed0 2528
26e41594
AM		 2529 /* Resolve a PLT32 reloc against a local symbol directly,
2530 without using the procedure linkage table. */
2531 if (h == NULL)
2532 break;
a85d7ed0 2533
26e41594 2534 if (h->plt.offset == (bfd_vma) -1
470b557a 2535 || (htab->elf.splt == NULL && htab->elf.iplt == NULL))
26e41594
AM		 2536 {
2537 /* We didn't make a PLT entry for this symbol. This
2538 happens when statically linking PIC code, or when
2539 using -Bsymbolic. */
2540 break;
2541 }
2542
470b557a
AK		 2543 if (s390_is_ifunc_symbol_p (h))
2544 relocation = (htab->elf.iplt->output_section->vma
07d6d2b8 2545 + htab->elf.iplt->output_offset
470b557a
AK		 2546 + h->plt.offset);
2547 else
2548 relocation = (htab->elf.splt->output_section->vma
2549 + htab->elf.splt->output_offset
2550 + h->plt.offset);
b34976b6 2551 unresolved_reloc = FALSE;
26e41594 2552 break;
a85d7ed0 2553
5236c819
MS		 2554 case R_390_PLTOFF16:
2555 case R_390_PLTOFF32:
26e41594
AM		 2556 /* Relocation is to the entry for this symbol in the
2557 procedure linkage table relative to the start of the GOT. */
5236c819
MS		 2558
2559 /* For local symbols or if we didn't make a PLT entry for
2560 this symbol resolve the symbol directly. */
31db78f6 2561 if (h == NULL
5236c819 2562 || h->plt.offset == (bfd_vma) -1
31db78f6 2563 || (htab->elf.splt == NULL && !s390_is_ifunc_symbol_p (h)))
5236c819 2564 {
f41345a7 2565 relocation -= htab->elf.sgot->output_section->vma;
5236c819
MS		 2566 break;
2567 }
2568
470b557a
AK		 2569 if (s390_is_ifunc_symbol_p (h))
2570 relocation = (htab->elf.iplt->output_section->vma
2571 + htab->elf.iplt->output_offset
2572 + h->plt.offset
2573 - htab->elf.sgot->output_section->vma);
2574 else
2575 relocation = (htab->elf.splt->output_section->vma
2576 + htab->elf.splt->output_offset
2577 + h->plt.offset
2578 - htab->elf.sgot->output_section->vma);
5236c819 2579 unresolved_reloc = FALSE;
26e41594
AM		 2580 break;
2581
26e41594 2582 case R_390_PC16:
fb798c50 2583 case R_390_PC12DBL:
26e41594 2584 case R_390_PC16DBL:
fb798c50 2585 case R_390_PC24DBL:
26e41594
AM		 2586 case R_390_PC32DBL:
2587 case R_390_PC32:
99ba5125
AK		 2588 if (h != NULL
2589 && s390_is_ifunc_symbol_p (h)
2590 && h->def_regular
2591 && !bfd_link_executable (info))
2592 {
2593 /* This will not work our if the function does not
2594 happen to set up the GOT pointer for some other
2595 reason. 31 bit PLT entries require r12 to hold the
2596 GOT pointer.
2597 FIXME: Implement an errorcheck.
2598 NOTE: It will work when brasl is not available
2599 (e.g. with -m31 -march=g5) since a local function
2600 call then does use GOTOFF which implies r12 being set
2601 up. */
2602 relocation = (htab->elf.iplt->output_section->vma
2603 + htab->elf.iplt->output_offset
2604 + h ->plt.offset);
2605 goto do_relocation;
2606 }
1a0670f3 2607 /* Fall through. */
99ba5125
AK		 2608
2609 case R_390_8:
2610 case R_390_16:
2611 case R_390_32:
f657f8c4
NC		 2612 if ((input_section->flags & SEC_ALLOC) == 0)
2613 break;
2614
470b557a
AK		 2615 if (h != NULL
2616 && s390_is_ifunc_symbol_p (h)
2617 && h->def_regular)
2618 {
d7ab4911 2619 if (!bfd_link_pic (info))
470b557a
AK		 2620 {
2621 /* For a non-shared object STT_GNU_IFUNC symbol must
2622 go through PLT. */
2623 relocation = (htab->elf.iplt->output_section->vma
2624 + htab->elf.iplt->output_offset
2625 + h ->plt.offset);
2626 goto do_relocation;
2627 }
2628 else
2629 {
2630 /* For shared objects a runtime relocation is needed. */
2631
2632 Elf_Internal_Rela outrel;
2633 asection *sreloc;
2634
2635 /* Need a dynamic relocation to get the real function
2636 address. */
2637 outrel.r_offset = _bfd_elf_section_offset (output_bfd,
2638 info,
2639 input_section,
2640 rel->r_offset);
2641 if (outrel.r_offset == (bfd_vma) -1
2642 || outrel.r_offset == (bfd_vma) -2)
2643 abort ();
2644
2645 outrel.r_offset += (input_section->output_section->vma
2646 + input_section->output_offset);
2647
2648 if (h->dynindx == -1
2649 || h->forced_local
0e1862bb 2650 || bfd_link_executable (info))
470b557a
AK		 2651 {
2652 /* This symbol is resolved locally. */
2653 outrel.r_info = ELF32_R_INFO (0, R_390_IRELATIVE);
2654 outrel.r_addend = (h->root.u.def.value
2655 + h->root.u.def.section->output_section->vma
2656 + h->root.u.def.section->output_offset);
2657 }
2658 else
2659 {
2660 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
2661 outrel.r_addend = 0;
2662 }
2663
2664 sreloc = htab->elf.irelifunc;
2665 elf_append_rela (output_bfd, sreloc, &outrel);
2666
2667 /* If this reloc is against an external symbol, we
2668 do not want to fiddle with the addend. Otherwise,
2669 we need to include the symbol value so that it
2670 becomes an addend for the dynamic reloc. For an
2671 internal symbol, we have updated addend. */
2672 continue;
2673 }
2674 }
2675
0e1862bb 2676 if ((bfd_link_pic (info)
82058a73 2677 && (h == NULL
b27bb18f
L		 2678 || (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
2679 && !resolved_to_zero)
82058a73 2680 || h->root.type != bfd_link_hash_undefweak)
0451c93c 2681 && ((r_type != R_390_PC16
fb798c50 2682 && r_type != R_390_PC12DBL
0451c93c 2683 && r_type != R_390_PC16DBL
fb798c50 2684 && r_type != R_390_PC24DBL
befc3abb 2685 && r_type != R_390_PC32DBL
0451c93c 2686 && r_type != R_390_PC32)
8c21ca21 2687 || !SYMBOL_CALLS_LOCAL (info, h)))
64285810 2688 || (ELIMINATE_COPY_RELOCS
0e1862bb 2689 && !bfd_link_pic (info)
0451c93c
MS		 2690 && h != NULL
2691 && h->dynindx != -1
f5385ebf
AM		 2692 && !h->non_got_ref
2693 && ((h->def_dynamic
2694 && !h->def_regular)
0451c93c
MS		 2695 || h->root.type == bfd_link_hash_undefweak
2696 || h->root.type == bfd_link_hash_undefined)))
26e41594
AM		 2697 {
2698 Elf_Internal_Rela outrel;
2699 bfd_boolean skip, relocate;
0451c93c 2700 asection *sreloc;
947216bf 2701 bfd_byte *loc;
ec338859 2702
0451c93c
MS		 2703 /* When generating a shared object, these relocations
2704 are copied into the output file to be resolved at run
2705 time. */
ec338859 2706
26e41594
AM		 2707 skip = FALSE;
2708 relocate = FALSE;
ec338859 2709
c629eae0
JJ		 2710 outrel.r_offset =
2711 _bfd_elf_section_offset (output_bfd, info, input_section,
2712 rel->r_offset);
2713 if (outrel.r_offset == (bfd_vma) -1)
b34976b6 2714 skip = TRUE;
0bb2d96a 2715 else if (outrel.r_offset == (bfd_vma) -2)
b34976b6 2716 skip = TRUE, relocate = TRUE;
26e41594
AM		 2717 outrel.r_offset += (input_section->output_section->vma
2718 + input_section->output_offset);
ec338859 2719
26e41594 2720 if (skip)
0bb2d96a 2721 memset (&outrel, 0, sizeof outrel);
26e41594 2722 else if (h != NULL
0451c93c
MS		 2723 && h->dynindx != -1
2724 && (r_type == R_390_PC16
fb798c50 2725 || r_type == R_390_PC12DBL
0451c93c 2726 || r_type == R_390_PC16DBL
fb798c50 2727 || r_type == R_390_PC24DBL
befc3abb 2728 || r_type == R_390_PC32DBL
0451c93c 2729 || r_type == R_390_PC32
0e1862bb 2730 || !bfd_link_pic (info)
8c21ca21 2731 || !SYMBOLIC_BIND (info, h)
f5385ebf 2732 || !h->def_regular))
26e41594
AM		 2733 {
2734 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
27018c3f 2735 outrel.r_addend = rel->r_addend;
26e41594
AM		 2736 }
2737 else
2738 {
0451c93c 2739 /* This symbol is local, or marked to become local. */
90ced0dd 2740 outrel.r_addend = relocation + rel->r_addend;
b5727d75
MS		 2741 if (r_type == R_390_32)
2742 {
2743 relocate = TRUE;
2744 outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
b5727d75
MS		 2745 }
2746 else
2747 {
2748 long sindx;
2749
90ced0dd 2750 if (bfd_is_abs_section (sec))
b5727d75
MS		 2751 sindx = 0;
2752 else if (sec == NULL || sec->owner == NULL)
2753 {
2754 bfd_set_error(bfd_error_bad_value);
2755 return FALSE;
2756 }
2757 else
2758 {
2759 asection *osec;
2760
2761 osec = sec->output_section;
2762 sindx = elf_section_data (osec)->dynindx;
74541ad4
AM		 2763 if (sindx == 0)
2764 {
2765 osec = htab->elf.text_index_section;
2766 sindx = elf_section_data (osec)->dynindx;
2767 }
2768 BFD_ASSERT (sindx != 0);
90ced0dd
MS		 2769
2770 /* We are turning this relocation into one
2771 against a section symbol, so subtract out
2772 the output section's address but not the
2773 offset of the input section in the output
2774 section. */
90ced0dd 2775 outrel.r_addend -= osec->vma;
b5727d75
MS		 2776 }
2777 outrel.r_info = ELF32_R_INFO (sindx, r_type);
b5727d75 2778 }
26e41594 2779 }
ec338859 2780
0451c93c
MS		 2781 sreloc = elf_section_data (input_section)->sreloc;
2782 if (sreloc == NULL)
2783 abort ();
ec338859 2784
947216bf
AM		 2785 loc = sreloc->contents;
2786 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
0451c93c 2787 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
ec338859 2788
26e41594
AM		 2789 /* If this reloc is against an external symbol, we do
2790 not want to fiddle with the addend. Otherwise, we
2791 need to include the symbol value so that it becomes
2792 an addend for the dynamic reloc. */
2793 if (! relocate)
2794 continue;
2795 }
0451c93c 2796 break;
ec338859 2797
69fc87f1
MS		 2798 /* Relocations for tls literal pool entries. */
2799 case R_390_TLS_IE32:
0e1862bb 2800 if (bfd_link_pic (info))
69fc87f1
MS		 2801 {
2802 Elf_Internal_Rela outrel;
2803 asection *sreloc;
2804 bfd_byte *loc;
2805
2806 outrel.r_offset = rel->r_offset
2807 + input_section->output_section->vma
2808 + input_section->output_offset;
2809 outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
2810 sreloc = elf_section_data (input_section)->sreloc;
2811 if (sreloc == NULL)
2812 abort ();
2813 loc = sreloc->contents;
2814 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
2815 bfd_elf32_swap_reloc_out (output_bfd, &outrel, loc);
2816 }
ae9a127f 2817 /* Fall through. */
69fc87f1
MS		 2818
2819 case R_390_TLS_GD32:
2820 case R_390_TLS_GOTIE32:
2821 r_type = elf_s390_tls_transition (info, r_type, h == NULL);
2822 tls_type = GOT_UNKNOWN;
2823 if (h == NULL && local_got_offsets)
2824 tls_type = elf_s390_local_got_tls_type (input_bfd) [r_symndx];
2825 else if (h != NULL)
2826 {
2827 tls_type = elf_s390_hash_entry(h)->tls_type;
0e1862bb
L		 2828 if (!bfd_link_pic (info)
2829 && h->dynindx == -1
2830 && tls_type >= GOT_TLS_IE)
69fc87f1
MS		 2831 r_type = R_390_TLS_LE32;
2832 }
2833 if (r_type == R_390_TLS_GD32 && tls_type >= GOT_TLS_IE)
2834 r_type = R_390_TLS_IE32;
2835
2836 if (r_type == R_390_TLS_LE32)
2837 {
2838 /* This relocation gets optimized away by the local exec
2839 access optimization. */
2840 BFD_ASSERT (! unresolved_reloc);
2841 bfd_put_32 (output_bfd, -tpoff (info, relocation),
2842 contents + rel->r_offset);
2843 continue;
2844 }
2845
f41345a7 2846 if (htab->elf.sgot == NULL)
69fc87f1
MS		 2847 abort ();
2848
2849 if (h != NULL)
2850 off = h->got.offset;
2851 else
2852 {
2853 if (local_got_offsets == NULL)
2854 abort ();
2855
2856 off = local_got_offsets[r_symndx];
2857 }
2858
2859 emit_tls_relocs:
2860
2861 if ((off & 1) != 0)
2862 off &= ~1;
26e41594 2863 else
69fc87f1
MS		 2864 {
2865 Elf_Internal_Rela outrel;
2866 bfd_byte *loc;
2867 int dr_type, indx;
2868
f41345a7 2869 if (htab->elf.srelgot == NULL)
69fc87f1
MS		 2870 abort ();
2871
f41345a7
AK		 2872 outrel.r_offset = (htab->elf.sgot->output_section->vma
2873 + htab->elf.sgot->output_offset + off);
69fc87f1
MS		 2874
2875 indx = h && h->dynindx != -1 ? h->dynindx : 0;
2876 if (r_type == R_390_TLS_GD32)
2877 dr_type = R_390_TLS_DTPMOD;
2878 else
2879 dr_type = R_390_TLS_TPOFF;
2880 if (dr_type == R_390_TLS_TPOFF && indx == 0)
2881 outrel.r_addend = relocation - dtpoff_base (info);
2882 else
2883 outrel.r_addend = 0;
2884 outrel.r_info = ELF32_R_INFO (indx, dr_type);
f41345a7
AK		 2885 loc = htab->elf.srelgot->contents;
2886 loc += htab->elf.srelgot->reloc_count++
69fc87f1
MS		 2887 * sizeof (Elf32_External_Rela);
2888 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2889
2890 if (r_type == R_390_TLS_GD32)
2891 {
2892 if (indx == 0)
2893 {
26e41594 2894 BFD_ASSERT (! unresolved_reloc);
69fc87f1
MS		 2895 bfd_put_32 (output_bfd,
2896 relocation - dtpoff_base (info),
f41345a7 2897 htab->elf.sgot->contents + off + GOT_ENTRY_SIZE);
69fc87f1
MS		 2898 }
2899 else
2900 {
2901 outrel.r_info = ELF32_R_INFO (indx, R_390_TLS_DTPOFF);
2902 outrel.r_offset += GOT_ENTRY_SIZE;
2903 outrel.r_addend = 0;
f41345a7 2904 htab->elf.srelgot->reloc_count++;
69fc87f1
MS		 2905 loc += sizeof (Elf32_External_Rela);
2906 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2907 }
2908 }
2909
2910 if (h != NULL)
2911 h->got.offset |= 1;
2912 else
2913 local_got_offsets[r_symndx] |= 1;
2914 }
2915
2916 if (off >= (bfd_vma) -2)
2917 abort ();
2918 if (r_type == ELF32_R_TYPE (rel->r_info))
2919 {
f41345a7 2920 relocation = htab->elf.sgot->output_offset + off;
69fc87f1 2921 if (r_type == R_390_TLS_IE32 || r_type == R_390_TLS_IEENT)
f41345a7 2922 relocation += htab->elf.sgot->output_section->vma;
69fc87f1
MS		 2923 unresolved_reloc = FALSE;
2924 }
2925 else
2926 {
f41345a7 2927 bfd_put_32 (output_bfd, htab->elf.sgot->output_offset + off,
69fc87f1
MS		 2928 contents + rel->r_offset);
2929 continue;
2930 }
2931 break;
2932
2933 case R_390_TLS_GOTIE12:
bd1ea41b 2934 case R_390_TLS_GOTIE20:
69fc87f1
MS		 2935 case R_390_TLS_IEENT:
2936 if (h == NULL)
2937 {
2938 if (local_got_offsets == NULL)
2939 abort();
2940 off = local_got_offsets[r_symndx];
0e1862bb 2941 if (bfd_link_pic (info))
69fc87f1
MS		 2942 goto emit_tls_relocs;
2943 }
2944 else
2945 {
2946 off = h->got.offset;
2947 tls_type = elf_s390_hash_entry(h)->tls_type;
0e1862bb
L		 2948 if (bfd_link_pic (info)
2949 || h->dynindx != -1
2950 || tls_type < GOT_TLS_IE)
69fc87f1
MS		 2951 goto emit_tls_relocs;
2952 }
2953
f41345a7 2954 if (htab->elf.sgot == NULL)
69fc87f1
MS		 2955 abort ();
2956
2957 BFD_ASSERT (! unresolved_reloc);
2958 bfd_put_32 (output_bfd, -tpoff (info, relocation),
f41345a7
AK		 2959 htab->elf.sgot->contents + off);
2960 relocation = htab->elf.sgot->output_offset + off;
69fc87f1 2961 if (r_type == R_390_TLS_IEENT)
f41345a7 2962 relocation += htab->elf.sgot->output_section->vma;
69fc87f1
MS		 2963 unresolved_reloc = FALSE;
2964 break;
2965
2966 case R_390_TLS_LDM32:
0e1862bb 2967 if (! bfd_link_pic (info))
69fc87f1
MS		 2968 /* The literal pool entry this relocation refers to gets ignored
2969 by the optimized code of the local exec model. Do nothing
2970 and the value will turn out zero. */
2971 continue;
2972
f41345a7 2973 if (htab->elf.sgot == NULL)
69fc87f1
MS		 2974 abort ();
2975
2976 off = htab->tls_ldm_got.offset;
2977 if (off & 1)
2978 off &= ~1;
2979 else
2980 {
2981 Elf_Internal_Rela outrel;
2982 bfd_byte *loc;
2983
f41345a7 2984 if (htab->elf.srelgot == NULL)
69fc87f1
MS		 2985 abort ();
2986
f41345a7
AK		 2987 outrel.r_offset = (htab->elf.sgot->output_section->vma
2988 + htab->elf.sgot->output_offset + off);
69fc87f1
MS		 2989
2990 bfd_put_32 (output_bfd, 0,
f41345a7 2991 htab->elf.sgot->contents + off + GOT_ENTRY_SIZE);
69fc87f1
MS		 2992 outrel.r_info = ELF32_R_INFO (0, R_390_TLS_DTPMOD);
2993 outrel.r_addend = 0;
f41345a7
AK		 2994 loc = htab->elf.srelgot->contents;
2995 loc += htab->elf.srelgot->reloc_count++
69fc87f1
MS		 2996 * sizeof (Elf32_External_Rela);
2997 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
2998 htab->tls_ldm_got.offset |= 1;
2999 }
f41345a7 3000 relocation = htab->elf.sgot->output_offset + off;
26e41594 3001 unresolved_reloc = FALSE;
69fc87f1
MS		 3002 break;
3003
3004 case R_390_TLS_LE32:
3cbc1e5e 3005 if (bfd_link_dll (info))
69fc87f1
MS		 3006 {
3007 /* Linking a shared library with non-fpic code requires
3008 a R_390_TLS_TPOFF relocation. */
3009 Elf_Internal_Rela outrel;
3010 asection *sreloc;
3011 bfd_byte *loc;
3012 int indx;
3013
3014 outrel.r_offset = rel->r_offset
3015 + input_section->output_section->vma
3016 + input_section->output_offset;
3017 if (h != NULL && h->dynindx != -1)
3018 indx = h->dynindx;
3019 else
3020 indx = 0;
3021 outrel.r_info = ELF32_R_INFO (indx, R_390_TLS_TPOFF);
3022 if (indx == 0)
3023 outrel.r_addend = relocation - dtpoff_base (info);
3024 else
3025 outrel.r_addend = 0;
3026 sreloc = elf_section_data (input_section)->sreloc;
3027 if (sreloc == NULL)
3028 abort ();
3029 loc = sreloc->contents;
3030 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
3031 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
3032 }
3033 else
3034 {
3035 BFD_ASSERT (! unresolved_reloc);
3036 bfd_put_32 (output_bfd, -tpoff (info, relocation),
3037 contents + rel->r_offset);
3038 }
3039 continue;
3040
3041 case R_390_TLS_LDO32:
0e1862bb 3042 if (bfd_link_pic (info) || (input_section->flags & SEC_DEBUGGING))
69fc87f1
MS		 3043 relocation -= dtpoff_base (info);
3044 else
3045 /* When converting LDO to LE, we must negate. */
3046 relocation = -tpoff (info, relocation);
3047 break;
3048
3049 /* Relocations for tls instructions. */
3050 case R_390_TLS_LOAD:
3051 case R_390_TLS_GDCALL:
3052 case R_390_TLS_LDCALL:
3053 tls_type = GOT_UNKNOWN;
3054 if (h == NULL && local_got_offsets)
3055 tls_type = elf_s390_local_got_tls_type (input_bfd) [r_symndx];
3056 else if (h != NULL)
3057 tls_type = elf_s390_hash_entry(h)->tls_type;
3058
3059 if (tls_type == GOT_TLS_GD)
3060 continue;
3061
3062 if (r_type == R_390_TLS_LOAD)
3063 {
0e1862bb 3064 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
69fc87f1
MS		 3065 {
3066 /* IE->LE transition. Four valid cases:
3067 l %rx,0(0,%ry) -> lr %rx,%ry + bcr 0,0
3068 l %rx,0(%ry,0) -> lr %rx,%ry + bcr 0,0
3069 l %rx,0(%ry,%r12) -> lr %rx,%ry + bcr 0,0
3070 l %rx,0(%r12,%ry) -> lr %rx,%ry + bcr 0,0 */
3071 unsigned int insn, ry;
3072
3073 insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
69fc87f1
MS		 3074 if ((insn & 0xff00f000) == 0x58000000)
3075 /* l %rx,0(%ry,0) -> lr %rx,%ry + bcr 0,0 */
3076 ry = (insn & 0x000f0000);
3077 else if ((insn & 0xff0f0000) == 0x58000000)
3078 /* l %rx,0(0,%ry) -> lr %rx,%ry + bcr 0,0 */
3079 ry = (insn & 0x0000f000) << 4;
3080 else if ((insn & 0xff00f000) == 0x5800c000)
3081 /* l %rx,0(%ry,%r12) -> lr %rx,%ry + bcr 0,0 */
3082 ry = (insn & 0x000f0000);
3083 else if ((insn & 0xff0f0000) == 0x580c0000)
3084 /* l %rx,0(%r12,%ry) -> lr %rx,%ry + bcr 0,0 */
3085 ry = (insn & 0x0000f000) << 4;
3086 else
3704e358
AK		 3087 {
3088 invalid_tls_insn (input_bfd, input_section, rel);
3089 return FALSE;
3090 }
69fc87f1
MS		 3091 insn = 0x18000700 | (insn & 0x00f00000) | ry;
3092 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3093 }
3094 }
3095 else if (r_type == R_390_TLS_GDCALL)
3096 {
3097 unsigned int insn;
3098
3099 insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
77df2968 3100 if ((insn & 0xff000fff) != 0x4d000000 &&
d0ddfe27
AK		 3101 (insn & 0xffff0000) != 0xc0e50000 &&
3102 (insn & 0xff000000) != 0x0d000000)
3704e358
AK		 3103 {
3104 invalid_tls_insn (input_bfd, input_section, rel);
3105 return FALSE;
3106 }
0e1862bb 3107 if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
77df2968 3108 {
d0ddfe27
AK		 3109 if ((insn & 0xff000000) == 0x0d000000)
3110 {
3111 /* GD->LE transition.
3112 basr rx, ry -> nopr r7 */
3113 insn = 0x07070000 | (insn & 0xffff);
3114 }
3115 else if ((insn & 0xff000000) == 0x4d000000)
77df2968
MS		 3116 {
3117 /* GD->LE transition.
3118 bas %r14,0(%rx,%r13) -> bc 0,0 */
3119 insn = 0x47000000;
3120 }
3121 else
3122 {
3123 /* GD->LE transition.
d0ddfe27 3124 brasl %r14,_tls_get_offset@plt -> brcl 0,. */
77df2968
MS		 3125 insn = 0xc0040000;
3126 bfd_put_16 (output_bfd, 0x0000,
3127 contents + rel->r_offset + 4);
3128 }
3129 }
69fc87f1 3130 else
77df2968 3131 {
d0ddfe27
AK		 3132 /* If basr is used in the pic case to invoke
3133 _tls_get_offset, something went wrong before. */
3134 if ((insn & 0xff000000) == 0x0d000000)
3704e358
AK		 3135 {
3136 invalid_tls_insn (input_bfd, input_section, rel);
3137 return FALSE;
3138 }
d0ddfe27 3139
77df2968
MS		 3140 if ((insn & 0xff000000) == 0x4d000000)
3141 {
3142 /* GD->IE transition.
3143 bas %r14,0(%rx,%r13) -> l %r2,0(%r2,%r12) */
3144 insn = 0x5822c000;
3145 }
3146 else
3147 {
3148 /* GD->IE transition.
3149 brasl %r14,__tls_get_addr@plt ->
07d6d2b8 3150 l %r2,0(%r2,%r12) ; bcr 0,0 */
77df2968
MS		 3151 insn = 0x5822c000;
3152 bfd_put_16 (output_bfd, 0x0700,
3153 contents + rel->r_offset + 4);
3154 }
3155 }
69fc87f1
MS		 3156 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3157 }
3158 else if (r_type == R_390_TLS_LDCALL)
3159 {
0e1862bb 3160 if (!bfd_link_pic (info))
69fc87f1
MS		 3161 {
3162 unsigned int insn;
3163
3164 insn = bfd_get_32 (input_bfd, contents + rel->r_offset);
77df2968 3165 if ((insn & 0xff000fff) != 0x4d000000 &&
d0ddfe27
AK		 3166 (insn & 0xffff0000) != 0xc0e50000 &&
3167 (insn & 0xff000000) != 0x0d000000)
3704e358
AK		 3168 {
3169 invalid_tls_insn (input_bfd, input_section, rel);
3170 return FALSE;
3171 }
d0ddfe27
AK		 3172
3173 if ((insn & 0xff000000) == 0x0d000000)
3174 {
3175 /* LD->LE transition.
3176 basr rx, ry -> nopr r7 */
3177 insn = 0x07070000 | (insn & 0xffff);
3178 }
3179 else if ((insn & 0xff000000) == 0x4d000000)
77df2968
MS		 3180 {
3181 /* LD->LE transition.
3182 bas %r14,0(%rx,%r13) -> bc 0,0 */
3183 insn = 0x47000000;
3184 }
3185 else
3186 {
3187 /* LD->LE transition.
d0ddfe27 3188 brasl %r14,__tls_get_offset@plt -> brcl 0,. */
77df2968
MS		 3189 insn = 0xc0040000;
3190 bfd_put_16 (output_bfd, 0x0000,
3191 contents + rel->r_offset + 4);
3192 }
69fc87f1
MS		 3193 bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
3194 }
3195 }
3196 continue;
3197
0451c93c
MS		 3198 default:
3199 break;
3200 }
ec338859 3201
239e1f3a
AM		 3202 /* Dynamic relocs are not propagated for SEC_DEBUGGING sections
3203 because such sections are not SEC_ALLOC and thus ld.so will
3204 not process them. */
0451c93c 3205 if (unresolved_reloc
239e1f3a 3206 && !((input_section->flags & SEC_DEBUGGING) != 0
1d5316ab
AM		 3207 && h->def_dynamic)
3208 && _bfd_elf_section_offset (output_bfd, info, input_section,
3209 rel->r_offset) != (bfd_vma) -1)
4eca0228 3210 _bfd_error_handler
695344c0 3211 /* xgettext:c-format */
2dcf00ce
AM		 3212 (_("%pB(%pA+%#" PRIx64 "): "
3213 "unresolvable %s relocation against symbol `%s'"),
d003868e
AM		 3214 input_bfd,
3215 input_section,
2dcf00ce 3216 (uint64_t) rel->r_offset,
843fe662 3217 howto->name,
0451c93c 3218 h->root.root.string);
ec338859 3219
470b557a
AK		 3220 do_relocation:
3221
fb798c50
AK		 3222 /* When applying a 24 bit reloc we need to start one byte
3223 earlier. Otherwise the 32 bit get/put bfd operations might
3224 access a byte after the actual section. */
3225 if (r_type == R_390_PC24DBL
3226 || r_type == R_390_PLT24DBL)
3227 rel->r_offset--;
3228
bd1ea41b
MS		 3229 if (r_type == R_390_20
3230 || r_type == R_390_GOT20
3231 || r_type == R_390_GOTPLT20
3232 || r_type == R_390_TLS_GOTIE20)
3233 {
3234 relocation += rel->r_addend;
3235 relocation = (relocation&0xfff) << 8 | (relocation&0xff000) >> 12;
3236 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3237 contents, rel->r_offset,
3238 relocation, 0);
3239 }
3240 else
3241 r = _bfd_final_link_relocate (howto, input_bfd, input_section,
3242 contents, rel->r_offset,
3243 relocation, rel->r_addend);
ec338859 3244
a85d7ed0
NC		 3245 if (r != bfd_reloc_ok)
3246 {
0451c93c 3247 const char *name;
ec338859 3248
0451c93c
MS		 3249 if (h != NULL)
3250 name = h->root.root.string;
3251 else
a85d7ed0 3252 {
0451c93c
MS		 3253 name = bfd_elf_string_from_elf_section (input_bfd,
3254 symtab_hdr->sh_link,
3255 sym->st_name);
3256 if (name == NULL)
b34976b6 3257 return FALSE;
0451c93c
MS		 3258 if (*name == '\0')
3259 name = bfd_section_name (input_bfd, sec);
3260 }
ec338859 3261
0451c93c 3262 if (r == bfd_reloc_overflow)
1a72702b
AM		 3263 (*info->callbacks->reloc_overflow)
3264 (info, (h ? &h->root : NULL), name, howto->name,
3265 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
0451c93c
MS		 3266 else
3267 {
4eca0228 3268 _bfd_error_handler
695344c0 3269 /* xgettext:c-format */
2dcf00ce 3270 (_("%pB(%pA+%#" PRIx64 "): reloc against `%s': error %d"),
d003868e 3271 input_bfd, input_section,
2dcf00ce 3272 (uint64_t) rel->r_offset, name, (int) r);
b34976b6 3273 return FALSE;
a85d7ed0
NC		 3274 }
3275 }
3276 }
ec338859 3277
b34976b6 3278 return TRUE;
a85d7ed0
NC		 3279}
3280
470b557a
AK		 3281/* Generate the PLT slots together with the dynamic relocations needed
3282 for IFUNC symbols. */
3283
3284static void
3285elf_s390_finish_ifunc_symbol (bfd *output_bfd,
3286 struct bfd_link_info *info,
3287 struct elf_link_hash_entry *h,
3288 struct elf_s390_link_hash_table *htab,
3289 bfd_vma iplt_offset,
3290 bfd_vma resolver_address)
3291{
3292 bfd_vma iplt_index;
3293 bfd_vma got_offset;
3294 bfd_vma igotiplt_offset;
3295 Elf_Internal_Rela rela;
3296 bfd_byte *loc;
3297 asection *plt, *gotplt, *relplt;
3298 bfd_vma relative_offset;
3299
3300 if (htab->elf.iplt == NULL
3301 || htab->elf.igotplt == NULL
3302 || htab->elf.irelplt == NULL)
3303 abort ();
3304
3305 gotplt = htab->elf.igotplt;
3306 relplt = htab->elf.irelplt;
3307
3308 /* Index of the PLT slot within iplt section. */
3309 iplt_index = iplt_offset / PLT_ENTRY_SIZE;
3310 plt = htab->elf.iplt;
3311 /* Offset into the igot.plt section. */
3312 igotiplt_offset = iplt_index * GOT_ENTRY_SIZE;
3313 /* Offset into the got section. */
3314 got_offset = igotiplt_offset + gotplt->output_offset;
3315
3316 /* S390 uses halfwords for relative branch calc! */
3317 relative_offset = - (plt->output_offset +
3318 (PLT_ENTRY_SIZE * iplt_index) + 18) / 2;
ceada896
AA		 3319 /* If offset is > 32768, branch to a previous branch
3320 390 can only handle +-64 K jumps. */
470b557a
AK		 3321 if ( -32768 > (int) relative_offset )
3322 relative_offset
3323 = -(unsigned) (((65536 / PLT_ENTRY_SIZE - 1) * PLT_ENTRY_SIZE) / 2);
3324
3325 /* Fill in the entry in the procedure linkage table. */
0e1862bb 3326 if (!bfd_link_pic (info))
470b557a
AK		 3327 {
3328 memcpy (plt->contents + iplt_offset, elf_s390_plt_entry,
3329 PLT_ENTRY_SIZE);
3330
3331 /* Adjust jump to the first plt entry. */
3332 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3333 plt->contents + iplt_offset + 20);
3334
3335 /* Push the GOT offset field. */
3336 bfd_put_32 (output_bfd,
3337 (gotplt->output_section->vma
3338 + got_offset),
3339 plt->contents + iplt_offset + 24);
3340 }
3341 else if (got_offset < 4096)
3342 {
3343 /* The GOT offset is small enough to be used directly as
3344 displacement. */
3345 memcpy (plt->contents + iplt_offset,
3346 elf_s390_plt_pic12_entry,
3347 PLT_ENTRY_SIZE);
3348
3349 /* Put in the GOT offset as displacement value. The 0xc000
3350 value comes from the first word of the plt entry. Look
3351 at the elf_s390_plt_pic16_entry content. */
3352 bfd_put_16 (output_bfd, (bfd_vma)0xc000 | got_offset,
3353 plt->contents + iplt_offset + 2);
3354
3355 /* Adjust the jump to the first plt entry. */
3356 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3357 plt->contents + iplt_offset + 20);
3358 }
3359 else if (got_offset < 32768)
3360 {
3361 /* The GOT offset is too big for a displacement but small
3362 enough to be a signed 16 bit immediate value as it can be
3363 used in an lhi instruction. */
3364 memcpy (plt->contents + iplt_offset,
3365 elf_s390_plt_pic16_entry,
3366 PLT_ENTRY_SIZE);
3367
3368 /* Put in the GOT offset for the lhi instruction. */
3369 bfd_put_16 (output_bfd, (bfd_vma)got_offset,
3370 plt->contents + iplt_offset + 2);
3371
3372 /* Adjust the jump to the first plt entry. */
3373 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3374 plt->contents + iplt_offset + 20);
3375 }
3376 else
3377 {
3378 memcpy (plt->contents + iplt_offset,
3379 elf_s390_plt_pic_entry,
3380 PLT_ENTRY_SIZE);
3381
3382 /* Adjust the jump to the first plt entry. */
3383 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3384 plt->contents + iplt_offset + 20);
3385
3386 /* Push the GOT offset field. */
3387 bfd_put_32 (output_bfd, got_offset,
3388 plt->contents + iplt_offset + 24);
3389 }
3390 /* Insert offset into reloc. table here. */
3391 bfd_put_32 (output_bfd, relplt->output_offset +
3392 iplt_index * RELA_ENTRY_SIZE,
3393 plt->contents + iplt_offset + 28);
3394
3395 /* Fill in the entry in the global offset table.
3396 Points to instruction after GOT offset. */
3397 bfd_put_32 (output_bfd,
3398 (plt->output_section->vma
3399 + plt->output_offset
3400 + iplt_offset
3401 + 12),
3402 gotplt->contents + igotiplt_offset);
3403
3404 /* Fill in the entry in the .rela.plt section. */
3405 rela.r_offset = gotplt->output_section->vma + got_offset;
3406
3407 if (!h
3408 || h->dynindx == -1
0e1862bb 3409 || ((bfd_link_executable (info)
470b557a
AK		 3410 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
3411 && h->def_regular))
3412 {
3413 /* The symbol can be locally resolved. */
3414 rela.r_info = ELF32_R_INFO (0, R_390_IRELATIVE);
3415 rela.r_addend = resolver_address;
3416 }
3417 else
3418 {
3419 rela.r_info = ELF32_R_INFO (h->dynindx, R_390_JMP_SLOT);
3420 rela.r_addend = 0;
3421 }
3422
3423 loc = relplt->contents + iplt_index * RELA_ENTRY_SIZE;
3424 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3425}
3426
a85d7ed0
NC		 3427/* Finish up dynamic symbol handling. We set the contents of various
3428 dynamic sections here. */
3429
b34976b6 3430static bfd_boolean
2c3fc389
NC		 3431elf_s390_finish_dynamic_symbol (bfd *output_bfd,
3432 struct bfd_link_info *info,
3433 struct elf_link_hash_entry *h,
3434 Elf_Internal_Sym *sym)
a85d7ed0 3435{
0451c93c 3436 struct elf_s390_link_hash_table *htab;
470b557a 3437 struct elf_s390_link_hash_entry *eh = (struct elf_s390_link_hash_entry*)h;
ec338859 3438
0451c93c 3439 htab = elf_s390_hash_table (info);
ec338859 3440
a85d7ed0
NC		 3441 if (h->plt.offset != (bfd_vma) -1)
3442 {
0451c93c
MS		 3443 bfd_vma plt_index;
3444 bfd_vma got_offset;
a85d7ed0 3445 Elf_Internal_Rela rela;
947216bf 3446 bfd_byte *loc;
a85d7ed0 3447 bfd_vma relative_offset;
ec338859 3448
a85d7ed0 3449 /* This symbol has an entry in the procedure linkage table. Set
26e41594 3450 it up. */
0a511368 3451 if (s390_is_ifunc_symbol_p (h) && h->def_regular)
0451c93c 3452 {
0a511368
AK		 3453 elf_s390_finish_ifunc_symbol (output_bfd, info, h,
3454 htab, h->plt.offset,
3455 eh->ifunc_resolver_address +
3456 eh->ifunc_resolver_section->output_offset +
3457 eh->ifunc_resolver_section->output_section->vma);
3458 /* Do not return yet. Handling of explicit GOT slots of
3459 IFUNC symbols is below. */
0451c93c 3460 }
a85d7ed0 3461 else
0451c93c 3462 {
470b557a
AK		 3463 if (h->dynindx == -1
3464 || htab->elf.splt == NULL
3465 || htab->elf.sgotplt == NULL
3466 || htab->elf.srelplt == NULL)
3467 abort ();
9aa17453 3468
470b557a
AK		 3469 /* Calc. index no.
3470 Current offset - size first entry / entry size. */
3471 plt_index = (h->plt.offset - PLT_FIRST_ENTRY_SIZE) / PLT_ENTRY_SIZE;
9aa17453 3472
470b557a
AK		 3473 /* Offset in GOT is PLT index plus GOT headers(3) times 4,
3474 addr & GOT addr. */
3475 got_offset = (plt_index + 3) * GOT_ENTRY_SIZE;
a85d7ed0 3476
470b557a
AK		 3477 /* S390 uses halfwords for relative branch calc! */
3478 relative_offset = - ((PLT_FIRST_ENTRY_SIZE +
3479 (PLT_ENTRY_SIZE * plt_index) + 18) / 2);
3480 /* If offset is > 32768, branch to a previous branch
3481 390 can only handle +-64 K jumps. */
3482 if ( -32768 > (int) relative_offset )
3483 relative_offset
3484 = -(unsigned) (((65536 / PLT_ENTRY_SIZE - 1) * PLT_ENTRY_SIZE) / 2);
ec338859 3485
470b557a 3486 /* Fill in the entry in the procedure linkage table. */
0e1862bb 3487 if (!bfd_link_pic (info))
470b557a
AK		 3488 {
3489 memcpy (htab->elf.splt->contents + h->plt.offset, elf_s390_plt_entry,
3490 PLT_ENTRY_SIZE);
3491
3492 /* Adjust jump to the first plt entry. */
3493 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3494 htab->elf.splt->contents + h->plt.offset + 20);
3495
3496 /* Push the GOT offset field. */
3497 bfd_put_32 (output_bfd,
3498 (htab->elf.sgotplt->output_section->vma
3499 + htab->elf.sgotplt->output_offset
3500 + got_offset),
3501 htab->elf.splt->contents + h->plt.offset + 24);
3502 }
3503 else if (got_offset < 4096)
3504 {
3505 /* The GOT offset is small enough to be used directly as
3506 displacement. */
3507 memcpy (htab->elf.splt->contents + h->plt.offset,
3508 elf_s390_plt_pic12_entry,
3509 PLT_ENTRY_SIZE);
3510
3511 /* Put in the GOT offset as displacement value. The 0xc000
3512 value comes from the first word of the plt entry. Look
3b67f094 3513 at the elf_s390_plt_pic12_entry content. */
470b557a
AK		 3514 bfd_put_16 (output_bfd, (bfd_vma)0xc000 | got_offset,
3515 htab->elf.splt->contents + h->plt.offset + 2);
3516
3517 /* Adjust the jump to the first plt entry. */
3518 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3519 htab->elf.splt->contents + h->plt.offset + 20);
3520 }
3521 else if (got_offset < 32768)
3522 {
3523 /* The GOT offset is too big for a displacement but small
3524 enough to be a signed 16 bit immediate value as it can be
3525 used in an lhi instruction. */
3526 memcpy (htab->elf.splt->contents + h->plt.offset,
3527 elf_s390_plt_pic16_entry,
3528 PLT_ENTRY_SIZE);
3529
3530 /* Put in the GOT offset for the lhi instruction. */
3531 bfd_put_16 (output_bfd, (bfd_vma)got_offset,
3532 htab->elf.splt->contents + h->plt.offset + 2);
3533
3534 /* Adjust the jump to the first plt entry. */
3535 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3536 htab->elf.splt->contents + h->plt.offset + 20);
3537 }
3538 else
3539 {
3540 memcpy (htab->elf.splt->contents + h->plt.offset,
3541 elf_s390_plt_pic_entry,
3542 PLT_ENTRY_SIZE);
3543
3544 /* Adjust the jump to the first plt entry. */
3545 bfd_put_32 (output_bfd, (bfd_vma) 0+(relative_offset << 16),
3546 htab->elf.splt->contents + h->plt.offset + 20);
3547
3548 /* Push the GOT offset field. */
3549 bfd_put_32 (output_bfd, got_offset,
3550 htab->elf.splt->contents + h->plt.offset + 24);
3551 }
3552 /* Insert offset into reloc. table here. */
3553 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela),
3554 htab->elf.splt->contents + h->plt.offset + 28);
3555
3556 /* Fill in the entry in the global offset table.
3557 Points to instruction after GOT offset. */
3558 bfd_put_32 (output_bfd,
3559 (htab->elf.splt->output_section->vma
3560 + htab->elf.splt->output_offset
3561 + h->plt.offset
3562 + 12),
3563 htab->elf.sgotplt->contents + got_offset);
3564
3565 /* Fill in the entry in the .rela.plt section. */
3566 rela.r_offset = (htab->elf.sgotplt->output_section->vma
3567 + htab->elf.sgotplt->output_offset
3568 + got_offset);
3569 rela.r_info = ELF32_R_INFO (h->dynindx, R_390_JMP_SLOT);
3570 rela.r_addend = 0;
3571 loc = htab->elf.srelplt->contents + plt_index * sizeof (Elf32_External_Rela);
3572 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
3573
3574 if (!h->def_regular)
3575 {
3576 /* Mark the symbol as undefined, rather than as defined in
3577 the .plt section. Leave the value alone. This is a clue
3578 for the dynamic linker, to make function pointer
3579 comparisons work between an application and shared
3580 library. */
3581 sym->st_shndx = SHN_UNDEF;
3582 }
a85d7ed0
NC		 3583 }
3584 }
ec338859 3585
69fc87f1
MS		 3586 if (h->got.offset != (bfd_vma) -1
3587 && elf_s390_hash_entry(h)->tls_type != GOT_TLS_GD
3588 && elf_s390_hash_entry(h)->tls_type != GOT_TLS_IE
3589 && elf_s390_hash_entry(h)->tls_type != GOT_TLS_IE_NLT)
a85d7ed0 3590 {
a85d7ed0 3591 Elf_Internal_Rela rela;
947216bf 3592 bfd_byte *loc;
a85d7ed0
NC		 3593
3594 /* This symbol has an entry in the global offset table. Set it
26e41594 3595 up. */
a85d7ed0 3596
f41345a7 3597 if (htab->elf.sgot == NULL || htab->elf.srelgot == NULL)
0451c93c 3598 abort ();
a85d7ed0 3599
f41345a7
AK		 3600 rela.r_offset = (htab->elf.sgot->output_section->vma
3601 + htab->elf.sgot->output_offset
dc810e39 3602 + (h->got.offset &~ (bfd_vma) 1));
a85d7ed0
NC		 3603
3604 /* If this is a static link, or it is a -Bsymbolic link and the
3605 symbol is defined locally or was forced to be local because
3606 of a version file, we just want to emit a RELATIVE reloc.
3607 The entry in the global offset table will already have been
3608 initialized in the relocate_section function. */
470b557a
AK		 3609 if (h->def_regular && s390_is_ifunc_symbol_p (h))
3610 {
0e1862bb 3611 if (bfd_link_pic (info))
470b557a
AK		 3612 {
3613 /* An explicit GOT slot usage needs GLOB_DAT. If the
3614 symbol references local the implicit got.iplt slot
3615 will be used and the IRELATIVE reloc has been created
3616 above. */
3617 goto do_glob_dat;
3618 }
3619 else
3620 {
3621 /* For non-shared objects explicit GOT slots must be
3622 filled with the PLT slot address for pointer
3623 equality reasons. */
3624 bfd_put_32 (output_bfd, (htab->elf.iplt->output_section->vma
3625 + htab->elf.iplt->output_offset
3626 + h->plt.offset),
3627 htab->elf.sgot->contents + h->got.offset);
3628 return TRUE;
3629 }
3630 }
0e1862bb 3631 else if (bfd_link_pic (info)
ceada896 3632 && SYMBOL_REFERENCES_LOCAL (info, h))
0451c93c 3633 {
470b557a
AK		 3634 /* If this is a static link, or it is a -Bsymbolic link and
3635 the symbol is defined locally or was forced to be local
3636 because of a version file, we just want to emit a
3637 RELATIVE reloc. The entry in the global offset table
3638 will already have been initialized in the
3639 relocate_section function. */
8170f769 3640 if (!(h->def_regular || ELF_COMMON_DEF_P (h)))
8c21ca21 3641 return FALSE;
0451c93c
MS		 3642 BFD_ASSERT((h->got.offset & 1) != 0);
3643 rela.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
3644 rela.r_addend = (h->root.u.def.value
26e41594
AM		 3645 + h->root.u.def.section->output_section->vma
3646 + h->root.u.def.section->output_offset);
3647 }
a85d7ed0
NC		 3648 else
3649 {
3650 BFD_ASSERT((h->got.offset & 1) == 0);
470b557a 3651 do_glob_dat:
f41345a7 3652 bfd_put_32 (output_bfd, (bfd_vma) 0, htab->elf.sgot->contents + h->got.offset);
a85d7ed0 3653 rela.r_info = ELF32_R_INFO (h->dynindx, R_390_GLOB_DAT);
26e41594
AM		 3654 rela.r_addend = 0;
3655 }
a85d7ed0 3656
f41345a7
AK		 3657 loc = htab->elf.srelgot->contents;
3658 loc += htab->elf.srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
0451c93c 3659 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
a85d7ed0
NC		 3660 }
3661
f5385ebf 3662 if (h->needs_copy)
a85d7ed0 3663 {
a85d7ed0 3664 Elf_Internal_Rela rela;
5474d94f 3665 asection *s;
947216bf 3666 bfd_byte *loc;
a85d7ed0
NC		 3667
3668 /* This symbols needs a copy reloc. Set it up. */
3669
0451c93c
MS		 3670 if (h->dynindx == -1
3671 || (h->root.type != bfd_link_hash_defined
3672 && h->root.type != bfd_link_hash_defweak)
5474d94f
AM		 3673 || htab->elf.srelbss == NULL
3674 || htab->elf.sreldynrelro == NULL)
0451c93c 3675 abort ();
a85d7ed0
NC		 3676
3677 rela.r_offset = (h->root.u.def.value
3678 + h->root.u.def.section->output_section->vma
3679 + h->root.u.def.section->output_offset);
3680 rela.r_info = ELF32_R_INFO (h->dynindx, R_390_COPY);
3681 rela.r_addend = 0;
afbf7e8e 3682 if (h->root.u.def.section == htab->elf.sdynrelro)
5474d94f
AM		 3683 s = htab->elf.sreldynrelro;
3684 else
3685 s = htab->elf.srelbss;
3686 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
0451c93c 3687 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
a85d7ed0
NC		 3688 }
3689
3690 /* Mark some specially defined symbols as absolute. */
9637f6ef 3691 if (h == htab->elf.hdynamic
22edb2f1
RS		 3692 || h == htab->elf.hgot
3693 || h == htab->elf.hplt)
a85d7ed0
NC		 3694 sym->st_shndx = SHN_ABS;
3695
b34976b6 3696 return TRUE;
a85d7ed0
NC		 3697}
3698
0451c93c
MS		 3699/* Used to decide how to sort relocs in an optimal manner for the
3700 dynamic linker, before writing them out. */
3701
3702static enum elf_reloc_type_class
7e612e98
AM		 3703elf_s390_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
3704 const asection *rel_sec ATTRIBUTE_UNUSED,
3705 const Elf_Internal_Rela *rela)
0451c93c 3706{
0f042c67
AK		 3707 bfd *abfd = info->output_bfd;
3708 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
3709 struct elf_s390_link_hash_table *htab = elf_s390_hash_table (info);
3710 unsigned long r_symndx = ELF32_R_SYM (rela->r_info);
3711 Elf_Internal_Sym sym;
3712
3713 if (htab->elf.dynsym == NULL
3714 || !bed->s->swap_symbol_in (abfd,
3715 (htab->elf.dynsym->contents
3716 + r_symndx * bed->s->sizeof_sym),
3717 0, &sym))
3718 abort ();
3719
3720 /* Check relocation against STT_GNU_IFUNC symbol. */
3721 if (ELF_ST_TYPE (sym.st_info) == STT_GNU_IFUNC)
3722 return reloc_class_ifunc;
3723
0451c93c
MS		 3724 switch ((int) ELF32_R_TYPE (rela->r_info))
3725 {
3726 case R_390_RELATIVE:
3727 return reloc_class_relative;
3728 case R_390_JMP_SLOT:
3729 return reloc_class_plt;
3730 case R_390_COPY:
3731 return reloc_class_copy;
3732 default:
3733 return reloc_class_normal;
3734 }
3735}
3736
a85d7ed0
NC		 3737/* Finish up the dynamic sections. */
3738
b34976b6 3739static bfd_boolean
2c3fc389
NC		 3740elf_s390_finish_dynamic_sections (bfd *output_bfd,
3741 struct bfd_link_info *info)
a85d7ed0 3742{
0451c93c 3743 struct elf_s390_link_hash_table *htab;
a85d7ed0
NC		 3744 bfd *dynobj;
3745 asection *sdyn;
470b557a
AK		 3746 bfd *ibfd;
3747 unsigned int i;
a85d7ed0 3748
0451c93c
MS		 3749 htab = elf_s390_hash_table (info);
3750 dynobj = htab->elf.dynobj;
3d4d4302 3751 sdyn = bfd_get_linker_section (dynobj, ".dynamic");
a85d7ed0 3752
0451c93c 3753 if (htab->elf.dynamic_sections_created)
a85d7ed0 3754 {
a85d7ed0
NC		 3755 Elf32_External_Dyn *dyncon, *dynconend;
3756
f41345a7 3757 if (sdyn == NULL || htab->elf.sgot == NULL)
0451c93c 3758 abort ();
a85d7ed0
NC		 3759
3760 dyncon = (Elf32_External_Dyn *) sdyn->contents;
eea6121a 3761 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
a85d7ed0
NC		 3762 for (; dyncon < dynconend; dyncon++)
3763 {
3764 Elf_Internal_Dyn dyn;
a85d7ed0 3765 asection *s;
ec338859 3766
a85d7ed0 3767 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
ec338859 3768
a85d7ed0
NC		 3769 switch (dyn.d_tag)
3770 {
3771 default:
0451c93c 3772 continue;
ec338859 3773
a85d7ed0 3774 case DT_PLTGOT:
4ade44b7
AM		 3775 s = htab->elf.sgotplt;
3776 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
0451c93c 3777 break;
ec338859 3778
a85d7ed0 3779 case DT_JMPREL:
4ade44b7
AM		 3780 s = htab->elf.srelplt;
3781 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
a85d7ed0
NC		 3782 break;
3783
3784 case DT_PLTRELSZ:
79c12fae
AK		 3785 dyn.d_un.d_val = htab->elf.srelplt->size;
3786 if (htab->elf.irelplt)
3787 dyn.d_un.d_val += htab->elf.irelplt->size;
a85d7ed0
NC		 3788 break;
3789 }
0451c93c
MS		 3790
3791 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
a85d7ed0
NC		 3792 }
3793
3794 /* Fill in the special first entry in the procedure linkage table. */
f41345a7 3795 if (htab->elf.splt && htab->elf.splt->size > 0)
a85d7ed0 3796 {
f41345a7 3797 memset (htab->elf.splt->contents, 0, PLT_FIRST_ENTRY_SIZE);
0e1862bb 3798 if (bfd_link_pic (info))
0451c93c 3799 {
f41345a7 3800 memcpy (htab->elf.splt->contents, elf_s390_plt_pic_first_entry,
9aa17453
AK		 3801 PLT_FIRST_ENTRY_SIZE);
3802 }
26e41594 3803 else
9aa17453 3804 {
f41345a7 3805 memcpy (htab->elf.splt->contents, elf_s390_plt_first_entry,
9aa17453 3806 PLT_FIRST_ENTRY_SIZE);
26e41594 3807 bfd_put_32 (output_bfd,
f41345a7
AK		 3808 htab->elf.sgotplt->output_section->vma
3809 + htab->elf.sgotplt->output_offset,
3810 htab->elf.splt->contents + 24);
ceada896 3811 }
f41345a7 3812 elf_section_data (htab->elf.splt->output_section)
0451c93c 3813 ->this_hdr.sh_entsize = 4;
a85d7ed0
NC		 3814 }
3815
3816 }
3817
f41345a7 3818 if (htab->elf.sgotplt)
a85d7ed0 3819 {
0451c93c 3820 /* Fill in the first three entries in the global offset table. */
f41345a7 3821 if (htab->elf.sgotplt->size > 0)
0451c93c
MS		 3822 {
3823 bfd_put_32 (output_bfd,
3824 (sdyn == NULL ? (bfd_vma) 0
3825 : sdyn->output_section->vma + sdyn->output_offset),
f41345a7 3826 htab->elf.sgotplt->contents);
0451c93c 3827 /* One entry for shared object struct ptr. */
f41345a7 3828 bfd_put_32 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents + 4);
0451c93c 3829 /* One entry for _dl_runtime_resolve. */
f41345a7 3830 bfd_put_32 (output_bfd, (bfd_vma) 0, htab->elf.sgotplt->contents + 8);
0451c93c 3831 }
a85d7ed0 3832
f41345a7 3833 elf_section_data (htab->elf.sgotplt->output_section)
0451c93c
MS		 3834 ->this_hdr.sh_entsize = 4;
3835 }
470b557a 3836 /* Finish dynamic symbol for local IFUNC symbols. */
c72f2fb2 3837 for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
470b557a
AK		 3838 {
3839 struct plt_entry *local_plt;
3840 Elf_Internal_Sym *isym;
3841 Elf_Internal_Shdr *symtab_hdr;
3842
3843 symtab_hdr = &elf_symtab_hdr (ibfd);
3844
1ef692ea
AK		 3845 if (!is_s390_elf (ibfd))
3846 continue;
3847
470b557a
AK		 3848 local_plt = elf_s390_local_plt (ibfd);
3849 if (local_plt != NULL)
3850 for (i = 0; i < symtab_hdr->sh_info; i++)
3851 {
3852 if (local_plt[i].plt.offset != (bfd_vma) -1)
3853 {
3854 asection *sec = local_plt[i].sec;
3855 isym = bfd_sym_from_r_symndx (&htab->sym_cache, ibfd, i);
3856 if (isym == NULL)
3857 return FALSE;
3858
3859 if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
3860 elf_s390_finish_ifunc_symbol (output_bfd, info, NULL, htab,
3861 local_plt[i].plt.offset,
3862 isym->st_value
3863 + sec->output_section->vma
3864 + sec->output_offset);
3865
3866 }
3867 }
3868 }
b34976b6 3869 return TRUE;
a85d7ed0 3870}
e3e9290d
AA		 3871\f
3872/* Support for core dump NOTE sections. */
a85d7ed0 3873
b34976b6 3874static bfd_boolean
2c3fc389 3875elf_s390_grok_prstatus (bfd * abfd, Elf_Internal_Note * note)
979f4a38
NC		 3876{
3877 int offset;
eea6121a 3878 unsigned int size;
979f4a38
NC		 3879
3880 switch (note->descsz)
3881 {
ceada896
AA		 3882 default:
3883 return FALSE;
979f4a38 3884
ceada896
AA		 3885 case 224: /* S/390 Linux. */
3886 /* pr_cursig */
3887 elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
979f4a38 3888
ceada896
AA		 3889 /* pr_pid */
3890 elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
979f4a38 3891
ceada896
AA		 3892 /* pr_reg */
3893 offset = 72;
3894 size = 144;
3895 break;
979f4a38
NC		 3896 }
3897
3898 /* Make a ".reg/999" section. */
3899 return _bfd_elfcore_make_pseudosection (abfd, ".reg",
eea6121a 3900 size, note->descpos + offset);
979f4a38
NC		 3901}
3902
e3e9290d
AA		 3903static bfd_boolean
3904elf_s390_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
3905{
3906 switch (note->descsz)
3907 {
3908 default:
3909 return FALSE;
3910
3911 case 124: /* sizeof(struct elf_prpsinfo) on s390 */
3912 elf_tdata (abfd)->core->pid
3913 = bfd_get_32 (abfd, note->descdata + 12);
3914 elf_tdata (abfd)->core->program
3915 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
3916 elf_tdata (abfd)->core->command
3917 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
3918 break;
3919 }
3920
3921 /* Note that for some reason, a spurious space is tacked
3922 onto the end of the args in some (at least one anyway)
3923 implementations, so strip it off if it exists. */
3924
3925 {
3926 char *command = elf_tdata (abfd)->core->command;
3927 int n = strlen (command);
3928
3929 if (0 < n && command[n - 1] == ' ')
3930 command[n - 1] = '\0';
3931 }
3932
3933 return TRUE;
3934}
3935
3936static char *
3937elf_s390_write_core_note (bfd *abfd, char *buf, int *bufsiz,
3938 int note_type, ...)
3939{
3940 va_list ap;
3941
3942 switch (note_type)
3943 {
3944 default:
3945 return NULL;
3946
3947 case NT_PRPSINFO:
3948 {
602f1657 3949 char data[124] ATTRIBUTE_NONSTRING = { 0 };
e3e9290d
AA		 3950 const char *fname, *psargs;
3951
3952 va_start (ap, note_type);
3953 fname = va_arg (ap, const char *);
3954 psargs = va_arg (ap, const char *);
3955 va_end (ap);
3956
3957 strncpy (data + 28, fname, 16);
898ade12 3958#if GCC_VERSION == 8000 || GCC_VERSION == 8001
95da9854 3959 DIAGNOSTIC_PUSH;
be3e27bb 3960 /* GCC 8.0 and 8.1 warn about 80 equals destination size with
95da9854
L		 3961 -Wstringop-truncation:
3962 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
3963 */
95da9854
L		 3964 DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
3965#endif
e3e9290d 3966 strncpy (data + 44, psargs, 80);
898ade12 3967#if GCC_VERSION == 8000 || GCC_VERSION == 8001
95da9854 3968 DIAGNOSTIC_POP;
fe75810f 3969#endif
e3e9290d
AA		 3970 return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
3971 &data, sizeof (data));
3972 }
3973
3974 case NT_PRSTATUS:
3975 {
3976 char data[224] = { 0 };
3977 long pid;
3978 int cursig;
3979 const void *gregs;
3980
3981 va_start (ap, note_type);
3982 pid = va_arg (ap, long);
3983 cursig = va_arg (ap, int);
3984 gregs = va_arg (ap, const void *);
3985 va_end (ap);
3986
3987 bfd_put_16 (abfd, cursig, data + 12);
3988 bfd_put_32 (abfd, pid, data + 24);
3989 memcpy (data + 72, gregs, 144);
3990 return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
3991 &data, sizeof (data));
3992 }
3993 }
3994 /* NOTREACHED */
3995}
3996\f
4c45e5c9
JJ		 3997/* Return address for Ith PLT stub in section PLT, for relocation REL
3998 or (bfd_vma) -1 if it should not be included. */
3999
4000static bfd_vma
4001elf_s390_plt_sym_val (bfd_vma i, const asection *plt,
4002 const arelent *rel ATTRIBUTE_UNUSED)
4003{
4004 return plt->vma + PLT_FIRST_ENTRY_SIZE + i * PLT_ENTRY_SIZE;
4005}
4006
643f7afb
AK		 4007/* Merge backend specific data from an object file to the output
4008 object file when linking. */
4009
55786da2 4010static bfd_boolean
50e03d47 4011elf32_s390_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
55786da2 4012{
50e03d47
AM		 4013 bfd *obfd = info->output_bfd;
4014
643f7afb
AK		 4015 if (!is_s390_elf (ibfd) || !is_s390_elf (obfd))
4016 return TRUE;
4017
50e03d47 4018 if (!elf_s390_merge_obj_attributes (ibfd, info))
643f7afb
AK		 4019 return FALSE;
4020
55786da2
AK		 4021 elf_elfheader (obfd)->e_flags |= elf_elfheader (ibfd)->e_flags;
4022 return TRUE;
4023}
4024
4c45e5c9 4025
6d00b590 4026#define TARGET_BIG_SYM s390_elf32_vec
a85d7ed0
NC		 4027#define TARGET_BIG_NAME "elf32-s390"
4028#define ELF_ARCH bfd_arch_s390
ae95ffa6 4029#define ELF_TARGET_ID S390_ELF_DATA
a85d7ed0
NC		 4030#define ELF_MACHINE_CODE EM_S390
4031#define ELF_MACHINE_ALT1 EM_S390_OLD
4032#define ELF_MAXPAGESIZE 0x1000
4033
4034#define elf_backend_can_gc_sections 1
51b64d56 4035#define elf_backend_can_refcount 1
a85d7ed0
NC		 4036#define elf_backend_want_got_plt 1
4037#define elf_backend_plt_readonly 1
4038#define elf_backend_want_plt_sym 0
4039#define elf_backend_got_header_size 12
5474d94f 4040#define elf_backend_want_dynrelro 1
b491616a 4041#define elf_backend_rela_normal 1
a85d7ed0 4042
26e41594 4043#define elf_info_to_howto elf_s390_info_to_howto
a85d7ed0 4044
a85d7ed0
NC		 4045#define bfd_elf32_bfd_is_local_label_name elf_s390_is_local_label_name
4046#define bfd_elf32_bfd_link_hash_table_create elf_s390_link_hash_table_create
4047#define bfd_elf32_bfd_reloc_type_lookup elf_s390_reloc_type_lookup
157090f7 4048#define bfd_elf32_bfd_reloc_name_lookup elf_s390_reloc_name_lookup
a85d7ed0 4049
55786da2
AK		 4050#define bfd_elf32_bfd_merge_private_bfd_data elf32_s390_merge_private_bfd_data
4051
a85d7ed0 4052#define elf_backend_adjust_dynamic_symbol elf_s390_adjust_dynamic_symbol
26e41594 4053#define elf_backend_check_relocs elf_s390_check_relocs
0451c93c 4054#define elf_backend_copy_indirect_symbol elf_s390_copy_indirect_symbol
9d19e4fd 4055#define elf_backend_create_dynamic_sections _bfd_elf_create_dynamic_sections
a85d7ed0
NC		 4056#define elf_backend_finish_dynamic_sections elf_s390_finish_dynamic_sections
4057#define elf_backend_finish_dynamic_symbol elf_s390_finish_dynamic_symbol
26e41594 4058#define elf_backend_gc_mark_hook elf_s390_gc_mark_hook
0451c93c 4059#define elf_backend_reloc_type_class elf_s390_reloc_type_class
26e41594 4060#define elf_backend_relocate_section elf_s390_relocate_section
a85d7ed0 4061#define elf_backend_size_dynamic_sections elf_s390_size_dynamic_sections
74541ad4 4062#define elf_backend_init_index_section _bfd_elf_init_1_index_section
979f4a38 4063#define elf_backend_grok_prstatus elf_s390_grok_prstatus
e3e9290d
AA		 4064#define elf_backend_grok_psinfo elf_s390_grok_psinfo
4065#define elf_backend_write_core_note elf_s390_write_core_note
4c45e5c9 4066#define elf_backend_plt_sym_val elf_s390_plt_sym_val
07d6d2b8 4067#define elf_backend_sort_relocs_p elf_s390_elf_sort_relocs_p
a85d7ed0 4068
69fc87f1 4069#define bfd_elf32_mkobject elf_s390_mkobject
26e41594 4070#define elf_backend_object_p elf_s390_object_p
a85d7ed0 4071
a2f63b2e
MR		 4072#define elf_backend_linux_prpsinfo32_ugid16 TRUE
4073
a85d7ed0 4074#include "elf32-target.h"
GDB Binutils - Deliverables
This page took 1.368466 seconds and 4 git commands to generate.