]> gcc.gnu.org Git - gcc.git/blame - gcc/config/rs6000/sysv4.h
git://gcc.gnu.org / gcc.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
flags.h (g_switch_value): Change to an unsigned HOST_WIDE_INT.
[gcc.git] / gcc / config / rs6000 / sysv4.h
CommitLineData
e3f1f242 1/* Target definitions for GNU compiler for PowerPC running System V.4
38a3dbbb 2 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
e556ad19 3 Free Software Foundation, Inc.
e3f1f242
MM		 4 Contributed by Cygnus Support.
5
5de601cf 6 This file is part of GCC.
e3f1f242 7
5de601cf
NC		 8 GCC is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published
10 by the Free Software Foundation; either version 2, or (at your
11 option) any later version.
e3f1f242 12
5de601cf
NC		 13 GCC is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details.
e3f1f242 17
5de601cf
NC		 18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING. If not, write to the
20 Free Software Foundation, 59 Temple Place - Suite 330, Boston,
21 MA 02111-1307, USA. */
9ebbca7d 22
7bb9f927
ZW		 23/* Header files should be C++ aware in general. */
24#define NO_IMPLICIT_EXTERN_C
25
9ebbca7d
GK		 26/* Yes! We are ELF. */
27#define TARGET_OBJECT_FORMAT OBJECT_ELF
28
29/* Default ABI to compile code for. */
30#define DEFAULT_ABI rs6000_current_abi
31
32/* Default ABI to use. */
33#define RS6000_ABI_NAME "sysv"
34
35/* Override rs6000.h definition. */
36#undef ASM_DEFAULT_SPEC
37#define ASM_DEFAULT_SPEC "-mppc"
38
9ebbca7d 39/* Small data support types. */
d9407988 40enum rs6000_sdata_type {
9ebbca7d
GK		 41 SDATA_NONE, /* No small data support. */
42 SDATA_DATA, /* Just put data in .sbss/.sdata, don't use relocs. */
43 SDATA_SYSV, /* Use r13 to point to .sdata/.sbss. */
44 SDATA_EABI /* Use r13 like above, r2 points to .sdata2/.sbss2. */
d9407988 45};
d14a6d05 46
d9407988
MM		 47extern enum rs6000_sdata_type rs6000_sdata;
48
9ebbca7d
GK		 49/* V.4/eabi switches. */
50#define MASK_NO_BITFIELD_TYPE 0x40000000 /* Set PCC_BITFIELD_TYPE_MATTERS to 0. */
d14a6d05 51#define MASK_STRICT_ALIGN 0x20000000 /* Set STRICT_ALIGNMENT to 1. */
9ebbca7d
GK		 52#define MASK_RELOCATABLE 0x10000000 /* GOT pointers are PC relative. */
53#define MASK_EABI 0x08000000 /* Adhere to eabi, not System V spec. */
54#define MASK_LITTLE_ENDIAN 0x04000000 /* Target is little endian. */
55#define MASK_REGNAMES 0x02000000 /* Use alternate register names. */
56#define MASK_PROTOTYPE 0x01000000 /* Only prototyped fcns pass variable args. */
06f4e019 57#define MASK_NO_BITFIELD_WORD 0x00800000 /* Bitfields cannot cross word boundaries */
d14a6d05
MM		 58
59#define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE)
9ebbca7d
GK		 60#define TARGET_STRICT_ALIGN (target_flags & MASK_STRICT_ALIGN)
61#define TARGET_RELOCATABLE (target_flags & MASK_RELOCATABLE)
62#define TARGET_EABI (target_flags & MASK_EABI)
63#define TARGET_LITTLE_ENDIAN (target_flags & MASK_LITTLE_ENDIAN)
64#define TARGET_REGNAMES (target_flags & MASK_REGNAMES)
4697a36c 65#define TARGET_PROTOTYPE (target_flags & MASK_PROTOTYPE)
9a155f91 66#define TARGET_NO_BITFIELD_WORD (target_flags & MASK_NO_BITFIELD_WORD)
64d732de
MM		 67#define TARGET_TOC ((target_flags & MASK_64BIT) \
68 || ((target_flags & (MASK_RELOCATABLE \
69 | MASK_MINIMAL_TOC)) \
70 && flag_pic > 1) \
9ebbca7d 71 || DEFAULT_ABI == ABI_AIX)
7e69e155
MM		 72
73#define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
9ebbca7d 74#define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
4697a36c
MM		 75#define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
76#define TARGET_NO_TOC (! TARGET_TOC)
9ebbca7d 77#define TARGET_NO_EABI (! TARGET_EABI)
c81bebd7 78
d9407988 79/* Strings provided by SUBTARGET_OPTIONS */
815cdc52
MM		 80extern const char *rs6000_abi_name;
81extern const char *rs6000_sdata_name;
c4501e62 82extern const char *rs6000_tls_size_string; /* For -mtls-size= */
d9407988 83
9ebbca7d
GK		 84/* Override rs6000.h definition. */
85#undef SUBTARGET_OPTIONS
c409ea0d
DD		 86#define SUBTARGET_OPTIONS \
87 { "call-", &rs6000_abi_name, N_("Select ABI calling convention"), 0}, \
c4501e62
JJ		 88 { "sdata=", &rs6000_sdata_name, N_("Select method for sdata handling"), 0}, \
89 { "tls-size=", &rs6000_tls_size_string, \
90 N_("Specify bit size of immediate TLS offsets"), 0 }
3933e0e1 91
88228c4b 92#define SDATA_DEFAULT_SIZE 8
9ebbca7d
GK		 93
94/* Note, V.4 no longer uses a normal TOC, so make -mfull-toc, be just
95 the same as -mminimal-toc. */
96/* Override rs6000.h definition. */
97#undef SUBTARGET_SWITCHES
98#define SUBTARGET_SWITCHES \
047142d3 99 { "bit-align", -MASK_NO_BITFIELD_TYPE, \
b0287a90 100 N_("Align to the base type of the bit-field") }, \
047142d3 101 { "no-bit-align", MASK_NO_BITFIELD_TYPE, \
b0287a90 102 N_("Don't align to the base type of the bit-field") }, \
047142d3
PT		 103 { "strict-align", MASK_STRICT_ALIGN, \
104 N_("Don't assume that unaligned accesses are handled by the system") }, \
105 { "no-strict-align", -MASK_STRICT_ALIGN, \
106 N_("Assume that unaligned accesses are handled by the system") }, \
107 { "relocatable", MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
c725bd79 108 N_("Produce code relocatable at runtime") }, \
047142d3 109 { "no-relocatable", -MASK_RELOCATABLE, \
c725bd79 110 N_("Don't produce code relocatable at runtime") }, \
047142d3 111 { "relocatable-lib", MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC, \
c725bd79 112 N_("Produce code relocatable at runtime") }, \
047142d3 113 { "no-relocatable-lib", -MASK_RELOCATABLE, \
c725bd79 114 N_("Don't produce code relocatable at runtime") }, \
047142d3 115 { "little-endian", MASK_LITTLE_ENDIAN, \
c725bd79 116 N_("Produce little endian code") }, \
047142d3 117 { "little", MASK_LITTLE_ENDIAN, \
c725bd79 118 N_("Produce little endian code") }, \
047142d3 119 { "big-endian", -MASK_LITTLE_ENDIAN, \
c725bd79 120 N_("Produce big endian code") }, \
047142d3 121 { "big", -MASK_LITTLE_ENDIAN, \
c725bd79 122 N_("Produce big endian code") }, \
047142d3
PT		 123 { "no-toc", 0, N_("no description yet") }, \
124 { "toc", MASK_MINIMAL_TOC, N_("no description yet") }, \
125 { "full-toc", MASK_MINIMAL_TOC, N_("no description yet") }, \
126 { "prototype", MASK_PROTOTYPE, N_("no description yet") }, \
127 { "no-prototype", -MASK_PROTOTYPE, N_("no description yet") }, \
128 { "no-traceback", 0, N_("no description yet") }, \
c725bd79
NB		 129 { "eabi", MASK_EABI, N_("Use EABI") }, \
130 { "no-eabi", -MASK_EABI, N_("Don't use EABI") }, \
9a155f91
GK		 131 { "bit-word", -MASK_NO_BITFIELD_WORD, "" }, \
132 { "no-bit-word", MASK_NO_BITFIELD_WORD, \
b0287a90 133 N_("Do not allow bit-fields to cross word boundaries") }, \
047142d3 134 { "regnames", MASK_REGNAMES, \
c725bd79 135 N_("Use alternate register names") }, \
047142d3 136 { "no-regnames", -MASK_REGNAMES, \
c725bd79 137 N_("Don't use alternate register names") }, \
047142d3
PT		 138 { "sdata", 0, N_("no description yet") }, \
139 { "no-sdata", 0, N_("no description yet") }, \
140 { "sim", 0, \
c725bd79 141 N_("Link with libsim.a, libc.a and sim-crt0.o") }, \
047142d3 142 { "ads", 0, \
c725bd79 143 N_("Link with libads.a, libc.a and crt0.o") }, \
047142d3 144 { "yellowknife", 0, \
c725bd79 145 N_("Link with libyk.a, libc.a and crt0.o") }, \
047142d3 146 { "mvme", 0, \
c725bd79 147 N_("Link with libmvme.a, libc.a and crt0.o") }, \
047142d3
PT		 148 { "emb", 0, \
149 N_("Set the PPC_EMB bit in the ELF flags header") }, \
a1ffecd9 150 { "windiss", 0, N_("Use the WindISS simulator") }, \
047142d3
PT		 151 { "shlib", 0, N_("no description yet") }, \
152 EXTRA_SUBTARGET_SWITCHES \
153 { "newlib", 0, N_("no description yet") },
9ebbca7d
GK		 154
155/* This is meant to be redefined in the host dependent files. */
156#define EXTRA_SUBTARGET_SWITCHES
88228c4b 157
3933e0e1
MM		 158/* Sometimes certain combinations of command options do not make sense
159 on a particular target machine. You can define a macro
160 `OVERRIDE_OPTIONS' to take account of this. This macro, if
161 defined, is executed once just after all the command options have
162 been parsed.
163
164 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
165 get control. */
166
167#define SUBTARGET_OVERRIDE_OPTIONS \
168do { \
307b599c
MK		 169 extern unsigned HOST_WIDE_INT g_switch_value; \
170 extern int g_switch_set; \
171 \
88228c4b
MM		 172 if (!g_switch_set) \
173 g_switch_value = SDATA_DEFAULT_SIZE; \
174 \
c81bebd7
MM		 175 if (!strcmp (rs6000_abi_name, "sysv")) \
176 rs6000_current_abi = ABI_V4; \
177 else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \
178 { \
179 rs6000_current_abi = ABI_V4; \
180 target_flags &= ~ MASK_EABI; \
181 } \
182 else if (!strcmp (rs6000_abi_name, "sysv-eabi") \
183 || !strcmp (rs6000_abi_name, "eabi")) \
184 { \
185 rs6000_current_abi = ABI_V4; \
186 target_flags |= MASK_EABI; \
187 } \
c81bebd7
MM		 188 else if (!strcmp (rs6000_abi_name, "aixdesc")) \
189 rs6000_current_abi = ABI_AIX; \
b91da81f
DB		 190 else if (!strcmp (rs6000_abi_name, "freebsd")) \
191 rs6000_current_abi = ABI_V4; \
c81bebd7
MM		 192 else if (!strcmp (rs6000_abi_name, "linux")) \
193 rs6000_current_abi = ABI_V4; \
ddb28441
RM		 194 else if (!strcmp (rs6000_abi_name, "gnu")) \
195 rs6000_current_abi = ABI_V4; \
edf1b3f3
AC		 196 else if (!strcmp (rs6000_abi_name, "netbsd")) \
197 rs6000_current_abi = ABI_V4; \
c36ae96c
GK		 198 else if (!strcmp (rs6000_abi_name, "i960-old")) \
199 { \
200 rs6000_current_abi = ABI_V4; \
201 target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI \
202 | MASK_NO_BITFIELD_WORD); \
203 target_flags &= ~MASK_STRICT_ALIGN; \
204 } \
c81bebd7
MM		 205 else \
206 { \
207 rs6000_current_abi = ABI_V4; \
c725bd79 208 error ("bad value for -mcall-%s", rs6000_abi_name); \
c81bebd7 209 } \
7509c759 210 \
d9407988
MM		 211 if (rs6000_sdata_name) \
212 { \
d9407988 213 if (!strcmp (rs6000_sdata_name, "none")) \
38c1f2d7 214 rs6000_sdata = SDATA_NONE; \
d9407988
MM		 215 else if (!strcmp (rs6000_sdata_name, "data")) \
216 rs6000_sdata = SDATA_DATA; \
217 else if (!strcmp (rs6000_sdata_name, "default")) \
218 rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \
219 else if (!strcmp (rs6000_sdata_name, "sysv")) \
220 rs6000_sdata = SDATA_SYSV; \
221 else if (!strcmp (rs6000_sdata_name, "eabi")) \
222 rs6000_sdata = SDATA_EABI; \
223 else \
c725bd79 224 error ("bad value for -msdata=%s", rs6000_sdata_name); \
d9407988 225 } \
f607bc57 226 else if (DEFAULT_ABI == ABI_V4) \
d9407988
MM		 227 { \
228 rs6000_sdata = SDATA_DATA; \
84f414bc 229 rs6000_sdata_name = "data"; \
d9407988
MM		 230 } \
231 else \
84f414bc
MM		 232 { \
233 rs6000_sdata = SDATA_NONE; \
234 rs6000_sdata_name = "none"; \
235 } \
9a57586f 236 \
d9407988
MM		 237 if (TARGET_RELOCATABLE && \
238 (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
7509c759 239 { \
5b9d9a0c 240 rs6000_sdata = SDATA_DATA; \
c725bd79 241 error ("-mrelocatable and -msdata=%s are incompatible", \
84f414bc 242 rs6000_sdata_name); \
7509c759
MM		 243 } \
244 \
f1384257
AM		 245 else if (flag_pic && DEFAULT_ABI != ABI_AIX \
246 && (rs6000_sdata == SDATA_EABI \
247 || rs6000_sdata == SDATA_SYSV)) \
84f414bc
MM		 248 { \
249 rs6000_sdata = SDATA_DATA; \
c725bd79 250 error ("-f%s and -msdata=%s are incompatible", \
84f414bc
MM		 251 (flag_pic > 1) ? "PIC" : "pic", \
252 rs6000_sdata_name); \
253 } \
254 \
f607bc57 255 if (rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
7509c759 256 { \
38c1f2d7 257 rs6000_sdata = SDATA_NONE; \
c725bd79 258 error ("-msdata=%s and -mcall-%s are incompatible", \
38c1f2d7 259 rs6000_sdata_name, rs6000_abi_name); \
7509c759
MM		 260 } \
261 \
0e5dbd9b
DE		 262 targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \
263 \
3933e0e1
MM		 264 if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \
265 { \
266 target_flags |= MASK_MINIMAL_TOC; \
c725bd79 267 error ("-mrelocatable and -mno-minimal-toc are incompatible"); \
3933e0e1 268 } \
b6c9286a 269 \
9ebbca7d 270 if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX) \
b6c9286a
MM		 271 { \
272 target_flags &= ~MASK_RELOCATABLE; \
c725bd79 273 error ("-mrelocatable and -mcall-%s are incompatible", \
c81bebd7 274 rs6000_abi_name); \
b6c9286a
MM		 275 } \
276 \
9ebbca7d 277 if (flag_pic > 1 && rs6000_current_abi == ABI_AIX) \
3201f6d9
MM		 278 { \
279 flag_pic = 0; \
c725bd79 280 error ("-fPIC and -mcall-%s are incompatible", \
3201f6d9
MM		 281 rs6000_abi_name); \
282 } \
283 \
c81bebd7 284 if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN) \
b6c9286a
MM		 285 { \
286 target_flags &= ~MASK_LITTLE_ENDIAN; \
287 error ("-mcall-aixdesc must be big endian"); \
288 } \
289 \
9ebbca7d 290 /* Treat -fPIC the same as -mrelocatable. */ \
f1384257 291 if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
3201f6d9 292 target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC | MASK_NO_FP_IN_TOC; \
84f414bc
MM		 293 \
294 else if (TARGET_RELOCATABLE) \
295 flag_pic = 2; \
296 \
3933e0e1 297} while (0)
75814ad4 298
a260abc9 299
9ebbca7d
GK		 300/* Override rs6000.h definition. */
301#undef TARGET_DEFAULT
302#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
a260abc9 303
9ebbca7d
GK		 304/* Override rs6000.h definition. */
305#undef PROCESSOR_DEFAULT
306#define PROCESSOR_DEFAULT PROCESSOR_PPC750
e3f1f242 307
5dead3e5 308#define FIXED_R2 1
5d36722d
RK		 309/* System V.4 uses register 13 as a pointer to the small data area,
310 so it is not available to the normal user. */
5d36722d
RK		 311#define FIXED_R13 1
312
9ebbca7d
GK		 313/* Size of the V.4 varargs area if needed. */
314/* Override rs6000.h definition. */
4697a36c 315#undef RS6000_VARARGS_AREA
00dba523 316#define RS6000_VARARGS_AREA ((cfun->machine->sysv_varargs_p) ? RS6000_VARARGS_SIZE : 0)
4697a36c 317
9ebbca7d
GK		 318/* Override default big endianism definitions in rs6000.h. */
319#undef BYTES_BIG_ENDIAN
320#undef WORDS_BIG_ENDIAN
321#define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
322#define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
75814ad4 323
4d3f9f5b
RK		 324/* Define this to set the endianness to use in libgcc2.c, which can
325 not depend on target_flags. */
88467101 326#if !defined(__LITTLE_ENDIAN__) && !defined(__sun__)
4d3f9f5b
RK		 327#define LIBGCC2_WORDS_BIG_ENDIAN 1
328#else
329#define LIBGCC2_WORDS_BIG_ENDIAN 0
330#endif
331
4697a36c 332/* Define cutoff for using external functions to save floating point.
9ebbca7d 333 Currently on V.4, always use inline stores. */
4697a36c
MM		 334#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
335
e9a25f70 336/* Put jump tables in read-only memory, rather than in .text. */
75197b37 337#define JUMP_TABLES_IN_TEXT_SECTION 0
e9a25f70 338
9ebbca7d 339/* Prefix and suffix to use to saving floating point. */
e3f1f242
MM		 340#define SAVE_FP_PREFIX "_savefpr_"
341#define SAVE_FP_SUFFIX "_l"
342
9ebbca7d 343/* Prefix and suffix to use to restoring floating point. */
e3f1f242
MM		 344#define RESTORE_FP_PREFIX "_restfpr_"
345#define RESTORE_FP_SUFFIX "_l"
346
347/* Type used for ptrdiff_t, as a string used in a declaration. */
e3f1f242
MM		 348#define PTRDIFF_TYPE "int"
349
350/* Type used for wchar_t, as a string used in a declaration. */
9ebbca7d 351/* Override svr4.h definition. */
e3f1f242 352#undef WCHAR_TYPE
f9317f0d 353#define WCHAR_TYPE "long int"
e3f1f242
MM		 354
355/* Width of wchar_t in bits. */
9ebbca7d 356/* Override svr4.h definition. */
e3f1f242 357#undef WCHAR_TYPE_SIZE
f9317f0d 358#define WCHAR_TYPE_SIZE 32
e3f1f242 359
9ebbca7d
GK		 360/* Make int foo : 8 not cause structures to be aligned to an int boundary. */
361/* Override elfos.h definition. */
c81bebd7
MM		 362#undef PCC_BITFIELD_TYPE_MATTERS
363#define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
364
9a155f91
GK		 365#undef BITFIELD_NBYTES_LIMITED
366#define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
367
c81bebd7
MM		 368/* Define this macro to be the value 1 if instructions will fail to
369 work if given data not on the nominal alignment. If instructions
bef84347 370 will merely go slower in that case, define this macro as 0. */
c81bebd7 371#undef STRICT_ALIGNMENT
bef84347 372#define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
c81bebd7 373
61b2fbe7
MM		 374/* Alignment in bits of the stack boundary. Note, in order to allow building
375 one set of libraries with -mno-eabi instead of eabi libraries and non-eabi
376 versions, just use 64 as the stack boundary. */
e3f1f242 377#undef STACK_BOUNDARY
0ac081f6 378#define STACK_BOUNDARY (TARGET_ALTIVEC_ABI ? 128 : 64)
61b2fbe7 379
9ebbca7d 380/* Real stack boundary as mandated by the appropriate ABI. */
0ac081f6 381#define ABI_STACK_BOUNDARY ((TARGET_EABI && !TARGET_ALTIVEC_ABI) ? 64 : 128)
e3f1f242 382
3b85fe5f
JJ		 383/* An expression for the alignment of a structure field FIELD if the
384 alignment computed in the usual way is COMPUTED. */
385#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
386 ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
387 ? 128 : COMPUTED)
388
0ac081f6
AH		 389/* Define this macro as an expression for the alignment of a type
390 (given by TYPE as a tree node) if the alignment computed in the
391 usual way is COMPUTED and the alignment explicitly specified was
392 SPECIFIED. */
393#define ROUND_TYPE_ALIGN(TYPE, COMPUTED, SPECIFIED) \
394 ((TARGET_ALTIVEC && TREE_CODE (TYPE) == VECTOR_TYPE) \
b8513691
AH		 395 ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \
396 : MAX (COMPUTED, SPECIFIED))
c81bebd7 397
f589b741 398#undef BIGGEST_FIELD_ALIGNMENT
e3f1f242
MM		 399
400/* Use ELF style section commands. */
401
9ebbca7d 402#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
e3f1f242 403
9ebbca7d 404#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
fff4998b 405
9ebbca7d 406#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
e3f1f242 407
9ebbca7d
GK		 408/* Override elfos.h definition. */
409#undef INIT_SECTION_ASM_OP
410#define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
c81bebd7 411
9ebbca7d
GK		 412/* Override elfos.h definition. */
413#undef FINI_SECTION_ASM_OP
414#define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
c81bebd7 415
9ebbca7d 416#define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
c81bebd7 417
9ebbca7d
GK		 418/* Put PC relative got entries in .got2. */
419#define MINIMAL_TOC_SECTION_ASM_OP \
f1384257
AM		 420 (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \
421 ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
c81bebd7 422
9ebbca7d
GK		 423#define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
424#define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
f607bc57 425#define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
c81bebd7 426
e3f1f242 427/* Besides the usual ELF sections, we need a toc section. */
9ebbca7d
GK		 428/* Override elfos.h definition. */
429#undef EXTRA_SECTIONS
d48bc59a 430#define EXTRA_SECTIONS in_toc, in_sdata, in_sdata2, in_sbss, in_init, in_fini
e3f1f242 431
9ebbca7d
GK		 432/* Override elfos.h definition. */
433#undef EXTRA_SECTION_FUNCTIONS
434#define EXTRA_SECTION_FUNCTIONS \
7509c759
MM		 435 TOC_SECTION_FUNCTION \
436 SDATA_SECTION_FUNCTION \
437 SDATA2_SECTION_FUNCTION \
c81bebd7
MM		 438 SBSS_SECTION_FUNCTION \
439 INIT_SECTION_FUNCTION \
440 FINI_SECTION_FUNCTION
7509c759 441
9ebbca7d 442#define TOC_SECTION_FUNCTION \
e3f1f242
MM		 443void \
444toc_section () \
445{ \
d14a6d05
MM		 446 if (in_section != in_toc) \
447 { \
4697a36c 448 in_section = in_toc; \
9ebbca7d 449 if (DEFAULT_ABI == ABI_AIX \
b6c9286a
MM		 450 && TARGET_MINIMAL_TOC \
451 && !TARGET_RELOCATABLE) \
452 { \
453 if (! toc_initialized) \
454 { \
455 toc_initialized = 1; \
456 fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP); \
4977bab6 457 (*targetm.asm_out.internal_label) (asm_out_file, "LCTOC", 0); \
b6c9286a
MM		 458 fprintf (asm_out_file, "\t.tc "); \
459 ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1[TC],"); \
460 ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
461 fprintf (asm_out_file, "\n"); \
462 \
463 fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
464 ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
465 fprintf (asm_out_file, " = .+32768\n"); \
466 } \
467 else \
468 fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
469 } \
9ebbca7d 470 else if (DEFAULT_ABI == ABI_AIX && !TARGET_RELOCATABLE) \
b6c9286a
MM		 471 fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP); \
472 else \
e3f1f242 473 { \
b6c9286a
MM		 474 fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
475 if (! toc_initialized) \
476 { \
477 ASM_OUTPUT_INTERNAL_LABEL_PREFIX (asm_out_file, "LCTOC1"); \
478 fprintf (asm_out_file, " = .+32768\n"); \
479 toc_initialized = 1; \
480 } \
e3f1f242 481 } \
e3f1f242 482 } \
301d03af
RS		 483} \
484 \
485extern int in_toc_section PARAMS ((void)); \
486int in_toc_section () \
487{ \
488 return in_section == in_toc; \
e3f1f242
MM		 489}
490
9ebbca7d 491#define SDATA_SECTION_FUNCTION \
7509c759
MM		 492void \
493sdata_section () \
494{ \
495 if (in_section != in_sdata) \
496 { \
497 in_section = in_sdata; \
498 fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
499 } \
500}
501
9ebbca7d 502#define SDATA2_SECTION_FUNCTION \
7509c759
MM		 503void \
504sdata2_section () \
505{ \
506 if (in_section != in_sdata2) \
507 { \
508 in_section = in_sdata2; \
509 fprintf (asm_out_file, "%s\n", SDATA2_SECTION_ASM_OP); \
510 } \
511}
512
9ebbca7d 513#define SBSS_SECTION_FUNCTION \
7509c759
MM		 514void \
515sbss_section () \
516{ \
517 if (in_section != in_sbss) \
518 { \
519 in_section = in_sbss; \
520 fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP); \
521 } \
e3f1f242
MM		 522}
523
9ebbca7d 524#define INIT_SECTION_FUNCTION \
c81bebd7
MM		 525void \
526init_section () \
527{ \
528 if (in_section != in_init) \
529 { \
530 in_section = in_init; \
531 fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP); \
532 } \
533}
534
9ebbca7d 535#define FINI_SECTION_FUNCTION \
c81bebd7
MM		 536void \
537fini_section () \
538{ \
539 if (in_section != in_fini) \
540 { \
541 in_section = in_fini; \
542 fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP); \
543 } \
544}
545
b64a1b53
RH		 546/* Override default elf definitions. */
547#undef TARGET_ASM_SELECT_RTX_SECTION
548#define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
ae46c4e0
RH		 549#undef TARGET_ASM_SELECT_SECTION
550#define TARGET_ASM_SELECT_SECTION rs6000_elf_select_section
ae46c4e0 551#define TARGET_ASM_UNIQUE_SECTION rs6000_elf_unique_section
7509c759 552
a0ab749a 553/* Return nonzero if this entry is to be written into the constant pool
b6c9286a
MM		 554 in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
555 containing one of them. If -mfp-in-toc (the default), we also do
556 this for floating-point constants. We actually can only do this
557 if the FP formats of the target and host machines are the same, but
558 we can't check that since not every file that uses
559 GO_IF_LEGITIMATE_ADDRESS_P includes real.h.
560
956d6950 561 Unlike AIX, we don't key off of -mminimal-toc, but instead do not
b6c9286a
MM		 562 allow floating point constants in the TOC if -mrelocatable. */
563
564#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
a9098fd0 565#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
b6c9286a
MM		 566 (TARGET_TOC \
567 && (GET_CODE (X) == SYMBOL_REF \
568 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
569 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
570 || GET_CODE (X) == LABEL_REF \
a9098fd0
GK		 571 || (GET_CODE (X) == CONST_INT \
572 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
b6c9286a
MM		 573 || (!TARGET_NO_FP_IN_TOC \
574 && !TARGET_RELOCATABLE \
575 && GET_CODE (X) == CONST_DOUBLE \
576 && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
577 && BITS_PER_WORD == HOST_BITS_PER_INT)))
578
e3f1f242
MM		 579/* These macros generate the special .type and .size directives which
580 are used to set the corresponding fields of the linker symbol table
581 entries in an ELF object file under SVR4. These macros also output
582 the starting labels for the relevant functions/objects. */
583
584/* Write the extra assembler code needed to declare a function properly.
585 Some svr4 assemblers need to also have something extra said about the
586 function's return value. We allow for that here. */
587
874a0744 588extern int rs6000_pic_labelno;
e3f1f242 589
9ebbca7d 590/* Override elfos.h definition. */
e3f1f242
MM		 591#undef ASM_DECLARE_FUNCTION_NAME
592#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
593 do { \
27c38fbe 594 const char *const init_ptr = (TARGET_64BIT) ? ".quad" : ".long"; \
b6c9286a 595 \
70f4f91c
WC		 596 if (TARGET_RELOCATABLE \
597 && (get_pool_size () != 0 || current_function_profile) \
9ebbca7d 598 && uses_TOC()) \
874a0744 599 { \
ec940faa 600 char buf[256]; \
874a0744 601 \
4977bab6 602 (*targetm.asm_out.internal_label) (FILE, "LCL", rs6000_pic_labelno); \
874a0744
MM		 603 \
604 ASM_GENERATE_INTERNAL_LABEL (buf, "LCTOC", 1); \
9ebbca7d
GK		 605 fprintf (FILE, "\t%s ", init_ptr); \
606 assemble_name (FILE, buf); \
607 putc ('-', FILE); \
874a0744 608 ASM_GENERATE_INTERNAL_LABEL (buf, "LCF", rs6000_pic_labelno); \
9ebbca7d
GK		 609 assemble_name (FILE, buf); \
610 putc ('\n', FILE); \
874a0744
MM		 611 } \
612 \
2be2ac70 613 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
e3f1f242 614 ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
b6c9286a 615 \
9ebbca7d 616 if (DEFAULT_ABI == ABI_AIX) \
b6c9286a 617 { \
9ebbca7d 618 const char *desc_name, *orig_name; \
b6c9286a 619 \
772c5265 620 orig_name = (*targetm.strip_name_encoding) (NAME); \
9ebbca7d 621 desc_name = orig_name; \
b6c9286a
MM		 622 while (*desc_name == '.') \
623 desc_name++; \
624 \
625 if (TREE_PUBLIC (DECL)) \
626 fprintf (FILE, "\t.globl %s\n", desc_name); \
627 \
628 fprintf (FILE, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
629 fprintf (FILE, "%s:\n", desc_name); \
630 fprintf (FILE, "\t%s %s\n", init_ptr, orig_name); \
631 fprintf (FILE, "\t%s _GLOBAL_OFFSET_TABLE_\n", init_ptr); \
632 if (DEFAULT_ABI == ABI_AIX) \
633 fprintf (FILE, "\t%s 0\n", init_ptr); \
634 fprintf (FILE, "\t.previous\n"); \
635 } \
9ebbca7d 636 ASM_OUTPUT_LABEL (FILE, NAME); \
e3f1f242
MM		 637 } while (0)
638
9ebbca7d
GK		 639/* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
640 flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */
641
642#define LOCAL_LABEL_PREFIX "."
643#define USER_LABEL_PREFIX ""
e3f1f242 644
4977bab6 645/* svr4.h overrides (*targetm.asm_out.internal_label). */
e3f1f242 646
9ebbca7d
GK		 647#define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
648 asm_fprintf (FILE, "%L%s", PREFIX)
649
506a61b1
KG		 650/* Globalizing directive for a label. */
651#define GLOBAL_ASM_OP "\t.globl "
e3f1f242 652
5f01fc14
MM		 653/* This says how to output assembler code to declare an
654 uninitialized internal linkage data object. Under SVR4,
655 the linker seems to want the alignment of data objects
656 to depend on their types. We do exactly that here. */
657
76bbee81 658#define LOCAL_ASM_OP "\t.local\t"
5f01fc14 659
76bbee81 660#define LCOMM_ASM_OP "\t.lcomm\t"
e47ae1c2 661
9ebbca7d
GK		 662/* Override elfos.h definition. */
663#undef ASM_OUTPUT_ALIGNED_LOCAL
664#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
5f01fc14 665do { \
307b599c
MK		 666 extern unsigned HOST_WIDE_INT g_switch_value; \
667 \
38c1f2d7 668 if (rs6000_sdata != SDATA_NONE && (SIZE) > 0 \
307b599c 669 && (SIZE) <= g_switch_value) \
e47ae1c2 670 { \
a9aefc1e 671 sbss_section (); \
e47ae1c2
MM		 672 ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
673 ASM_OUTPUT_LABEL (FILE, NAME); \
674 ASM_OUTPUT_SKIP (FILE, SIZE); \
675 if (!flag_inhibit_size_directive && (SIZE) > 0) \
2be2ac70 676 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
e47ae1c2 677 } \
5f01fc14 678 else \
e47ae1c2 679 { \
b9f7d63e 680 fprintf (FILE, "%s", LCOMM_ASM_OP); \
e47ae1c2 681 assemble_name ((FILE), (NAME)); \
7aabff18
JJ		 682 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
683 (SIZE), (ALIGN) / BITS_PER_UNIT); \
e47ae1c2 684 } \
38a3dbbb 685 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
fff4998b
MM		 686} while (0)
687
9ebbca7d
GK		 688/* Describe how to emit uninitialized external linkage items. */
689#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
fff4998b 690do { \
fff4998b 691 ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN); \
5f01fc14
MM		 692} while (0)
693
6d6ab190
DE		 694#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
695/* To support -falign-* switches we need to use .p2align so
696 that alignment directives in code sections will be padded
697 with no-op instructions, rather than zeroes. */
698#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
699 if ((LOG) != 0) \
700 { \
701 if ((MAX_SKIP) == 0) \
702 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
703 else \
704 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
705 }
706#endif
707
09eeeacb
AM		 708/* This is how to output code to push a register on the stack.
709 It need not be very fast code.
710
711 On the rs6000, we must keep the backchain up to date. In order
712 to simplify things, always allocate 16 bytes for a push (System V
713 wants to keep stack aligned to a 16 byte boundary). */
714
715#define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \
716do { \
717 if (DEFAULT_ABI == ABI_V4) \
718 asm_fprintf (FILE, \
99bcb625 719 "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \
09eeeacb
AM		 720 reg_names[1], reg_names[1], reg_names[REGNO], \
721 reg_names[1]); \
722} while (0)
723
724/* This is how to output an insn to pop a register from the stack.
725 It need not be very fast code. */
726
727#define ASM_OUTPUT_REG_POP(FILE, REGNO) \
728do { \
729 if (DEFAULT_ABI == ABI_V4) \
730 asm_fprintf (FILE, \
99bcb625 731 "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \
09eeeacb
AM		 732 reg_names[REGNO], reg_names[1], reg_names[1], \
733 reg_names[1]); \
734} while (0)
735
9ebbca7d 736/* Switch Recognition by gcc.c. Add -G xx support. */
88228c4b 737
9ebbca7d
GK		 738/* Override svr4.h definition. */
739#undef SWITCH_TAKES_ARG
740#define SWITCH_TAKES_ARG(CHAR) \
88228c4b
MM		 741 ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \
742 || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \
3411a85a
MM		 743 || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \
744 || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \
745 || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
88228c4b 746
5f30b0ff 747/* Output .file. */
9ebbca7d
GK		 748/* Override elfos.h definition. */
749#undef ASM_FILE_START
750#define ASM_FILE_START(FILE) \
4d3f9f5b 751do { \
4d3f9f5b 752 output_file_directive ((FILE), main_input_filename); \
3cfa4909 753 rs6000_file_start (FILE, TARGET_CPU_DEFAULT); \
4d3f9f5b
RK		 754} while (0)
755
b6c9286a 756
9ebbca7d
GK		 757extern int fixuplabelno;
758
d9f6800d
RH		 759/* Handle constructors specially for -mrelocatable. */
760#define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor
761#define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor
762
e3f1f242
MM		 763/* This is the end of what might become sysv4.h. */
764
99e2a354 765/* Use DWARF 2 debugging information by default. */
0e5dbd9b
DE		 766#undef PREFERRED_DEBUGGING_TYPE
767#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
c81bebd7 768
99e2a354 769/* Historically we have also supported stabs debugging. */
0e5dbd9b 770#define DBX_DEBUGGING_INFO 1
e3f1f242 771
0e5dbd9b 772#define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
0e5dbd9b 773#define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
5add3202 774#define TARGET_SECTION_TYPE_FLAGS rs6000_elf_section_type_flags
d9407988 775
54ee9799
DE		 776/* The ELF version doesn't encode [DS] or whatever at the end of symbols. */
777
778#define RS6000_OUTPUT_BASENAME(FILE, NAME) \
779 assemble_name (FILE, NAME)
780
d1908feb
JJ		 781/* We have to output the stabs for the function name *first*, before
782 outputting its label. */
e3f1f242
MM		 783
784#define DBX_FUNCTION_FIRST
785
786/* This is the end of what might become sysv4dbx.h. */
787
b91da81f 788#ifndef TARGET_VERSION
9ebbca7d 789#define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)");
b91da81f 790#endif
4697a36c 791\f
7990b46f
MK		 792#ifndef TARGET_OS_CPP_BUILTINS
793#define TARGET_OS_CPP_BUILTINS() \
794 do \
795 { \
796 builtin_define_std ("PPC"); \
797 builtin_define_std ("unix"); \
798 builtin_define ("__svr4__"); \
799 builtin_assert ("system=unix"); \
800 builtin_assert ("system=svr4"); \
801 builtin_assert ("cpu=powerpc"); \
802 builtin_assert ("machine=powerpc"); \
803 } \
804 while (0)
b91da81f 805#endif
c2baf133 806
9ebbca7d
GK		 807/* Pass various options to the assembler. */
808/* Override svr4.h definition. */
809#undef ASM_SPEC
810#define ASM_SPEC "%(asm_cpu) \
38c1f2d7 811%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
c81bebd7 812%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
3201f6d9 813%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
4977bab6
ZW		 814%{memb|msdata|msdata=eabi: -memb} \
815%{mlittle|mlittle-endian:-mlittle; \
816 mbig|mbig-endian :-mbig; \
817 mcall-aixdesc | \
818 mcall-freebsd | \
819 mcall-netbsd | \
820 mcall-linux | \
821 mcall-gnu :-mbig; \
822 mcall-i960-old :-mlittle}"
bef84347 823
9ebbca7d 824#define CC1_ENDIAN_BIG_SPEC ""
bef84347 825
9ebbca7d 826#define CC1_ENDIAN_LITTLE_SPEC "\
bef84347 827%{!mstrict-align: %{!mno-strict-align: \
c36ae96c 828 %{!mcall-i960-old: \
bef84347 829 -mstrict-align \
c36ae96c 830 } \
bef84347 831}}"
bef84347 832
ccd84f51 833#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
c81bebd7 834
9ebbca7d
GK		 835/* Pass -G xxx to the compiler and set correct endian mode. */
836#define CC1_SPEC "%{G*} \
4977bab6
ZW		 837%{mlittle|mlittle-endian: %(cc1_endian_little); \
838 mbig |mbig-endian : %(cc1_endian_big); \
839 mcall-aixdesc | \
840 mcall-freebsd | \
841 mcall-netbsd | \
842 mcall-linux | \
843 mcall-gnu : -mbig %(cc1_endian_big); \
844 mcall-i960-old : -mlittle %(cc1_endian_little); \
845 : %(cc1_endian_default)} \
d9407988 846%{mno-sdata: -msdata=none } \
c81bebd7
MM		 847%{meabi: %{!mcall-*: -mcall-sysv }} \
848%{!meabi: %{!mno-eabi: \
802a0058 849 %{mrelocatable: -meabi } \
b91da81f 850 %{mcall-freebsd: -mno-eabi } \
c36ae96c 851 %{mcall-i960-old: -meabi } \
edf1b3f3 852 %{mcall-linux: -mno-eabi } \
ddb28441 853 %{mcall-gnu: -mno-eabi } \
edf1b3f3 854 %{mcall-netbsd: -mno-eabi }}} \
38c1f2d7 855%{msdata: -msdata=default} \
d540a32c
FS		 856%{mno-sdata: -msdata=none} \
857%{profile: -p}"
c81bebd7 858
9ebbca7d 859/* Don't put -Y P,<path> for cross compilers. */
7509c759
MM		 860#ifndef CROSS_COMPILE
861#define LINK_PATH_SPEC "\
d6a2af95 862%{!R*:%{L*:-R %*}} \
fba29a8c
MM		 863%{!nostdlib: %{!YP,*: \
864 %{compat-bsd: \
865 %{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
866 %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
867 %{!R*: %{!L*: -R /usr/ucblib}} \
868 %{!compat-bsd: \
869 %{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
870 %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}}"
7509c759 871
113166a6 872#else
7509c759
MM		 873#define LINK_PATH_SPEC ""
874#endif
75814ad4 875
9ebbca7d 876/* Default starting address if specified. */
c81bebd7 877#define LINK_START_SPEC "\
4977bab6
ZW		 878%{mads : %(link_start_ads) ; \
879 myellowknife : %(link_start_yellowknife) ; \
880 mmvme : %(link_start_mvme) ; \
881 msim : %(link_start_sim) ; \
882 mwindiss : %(link_start_windiss) ; \
883 mcall-freebsd: %(link_start_freebsd) ; \
884 mcall-linux : %(link_start_linux) ; \
885 mcall-gnu : %(link_start_gnu) ; \
886 mcall-netbsd : %(link_start_netbsd) ; \
887 : %(link_start_default) }"
c81bebd7 888
9da71b16 889#define LINK_START_DEFAULT_SPEC ""
c81bebd7 890
9ebbca7d
GK		 891/* Override svr4.h definition. */
892#undef LINK_SPEC
893#define LINK_SPEC "\
f3597919 894%{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
51610b0a 895%{YP,*} %{R*} \
fba29a8c
MM		 896%{Qy:} %{!Qn:-Qy} \
897%(link_shlib) \
362c63a5 898%{!Wl,-T*: %{!T*: %(link_start) }} \
fba29a8c
MM		 899%(link_target) \
900%(link_os)"
901
902/* For now, turn off shared libraries by default. */
903#ifndef SHARED_LIB_SUPPORT
904#define NO_SHARED_LIB_SUPPORT
905#endif
906
fba29a8c 907#ifndef NO_SHARED_LIB_SUPPORT
956d6950 908/* Shared libraries are default. */
fba29a8c
MM		 909#define LINK_SHLIB_SPEC "\
910%{!static: %(link_path) %{!R*:%{L*:-R %*}}} \
911%{mshlib: } \
afec0ea9 912%{static:-dn -Bstatic} \
8b496c8d
ILT		 913%{shared:-G -dy -z text} \
914%{symbolic:-Bsymbolic -G -dy -z text}"
fba29a8c
MM		 915
916#else
917/* Shared libraries are not default. */
918#define LINK_SHLIB_SPEC "\
d6a2af95 919%{mshlib: %(link_path) } \
fba29a8c
MM		 920%{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
921%{static: } \
8b496c8d
ILT		 922%{shared:-G -dy -z text %(link_path) } \
923%{symbolic:-Bsymbolic -G -dy -z text %(link_path) }"
fba29a8c
MM		 924#endif
925
926/* Override the default target of the linker. */
fba29a8c 927#define LINK_TARGET_SPEC "\
36b8ffbe 928%{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
9ebbca7d 929%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
c36ae96c 930 %{mcall-i960-old: --oformat elf32-powerpcle} \
9ebbca7d 931 }}}}"
fba29a8c 932
9ebbca7d 933/* Any specific OS flags. */
fba29a8c 934#define LINK_OS_SPEC "\
4977bab6
ZW		 935%{mads : %(link_os_ads) ; \
936 myellowknife : %(link_os_yellowknife) ; \
937 mmvme : %(link_os_mvme) ; \
938 msim : %(link_os_sim) ; \
939 mwindiss : %(link_os_windiss) ; \
940 mcall-freebsd: %(link_os_freebsd) ; \
941 mcall-linux : %(link_os_linux) ; \
942 mcall-gnu : %(link_os_gnu) ; \
943 mcall-netbsd : %(link_os_netbsd) ; \
944 : %(link_os_default) }"
c81bebd7 945
fba29a8c 946#define LINK_OS_DEFAULT_SPEC ""
afec0ea9 947
841faeed 948#define CPP_SYSV_SPEC \
3cfa4909 949"%{mrelocatable*: -D_RELOCATABLE} \
5b9d9a0c 950%{fpic: -D__PIC__=1 -D__pic__=1} \
4c4eb375 951%{!fpic: %{fPIC: -D__PIC__=2 -D__pic__=2}}"
841faeed 952
9ebbca7d
GK		 953/* Override rs6000.h definition. */
954#undef CPP_SPEC
4c4eb375 955#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_sysv) \
4977bab6
ZW		 956%{mads : %(cpp_os_ads) ; \
957 myellowknife : %(cpp_os_yellowknife) ; \
958 mmvme : %(cpp_os_mvme) ; \
959 msim : %(cpp_os_sim) ; \
960 mwindiss : %(cpp_os_windiss) ; \
961 mcall-freebsd: %(cpp_os_freebsd) ; \
962 mcall-linux : %(cpp_os_linux) ; \
963 mcall-gnu : %(cpp_os_gnu) ; \
964 mcall-netbsd : %(cpp_os_netbsd) ; \
965 : %(cpp_os_default) }"
c81bebd7 966
9ebbca7d 967#define CPP_OS_DEFAULT_SPEC ""
c81bebd7 968
9ebbca7d
GK		 969/* Override svr4.h definition. */
970#undef STARTFILE_SPEC
c81bebd7 971#define STARTFILE_SPEC "\
4977bab6
ZW		 972%{mads : %(startfile_ads) ; \
973 myellowknife : %(startfile_yellowknife) ; \
974 mmvme : %(startfile_mvme) ; \
975 msim : %(startfile_sim) ; \
976 mwindiss : %(startfile_windiss) ; \
977 mcall-freebsd: %(startfile_freebsd) ; \
978 mcall-linux : %(startfile_linux) ; \
979 mcall-gnu : %(startfile_gnu) ; \
980 mcall-netbsd : %(startfile_netbsd) ; \
981 : %(startfile_default) }"
c81bebd7 982
c81bebd7
MM		 983#define STARTFILE_DEFAULT_SPEC ""
984
9ebbca7d 985/* Override svr4.h definition. */
c81bebd7
MM		 986#undef LIB_SPEC
987#define LIB_SPEC "\
4977bab6
ZW		 988%{mads : %(lib_ads) ; \
989 myellowknife : %(lib_yellowknife) ; \
990 mmvme : %(lib_mvme) ; \
991 msim : %(lib_sim) ; \
992 mwindiss : %(lib_windiss) ; \
993 mcall-freebsd: %(lib_freebsd) ; \
994 mcall-linux : %(lib_linux) ; \
995 mcall-gnu : %(lib_gnu) ; \
996 mcall-netbsd : %(lib_netbsd) ; \
997 : %(lib_default) }"
c81bebd7 998
9da71b16 999#define LIB_DEFAULT_SPEC ""
9da71b16 1000
9ebbca7d 1001/* Override svr4.h definition. */
c81bebd7 1002#undef ENDFILE_SPEC
a1ffecd9 1003#define ENDFILE_SPEC "\
4977bab6
ZW		 1004%{mads : crtsavres.o%s %(endfile_ads) ; \
1005 myellowknife : crtsavres.o%s %(endfile_yellowknife) ; \
1006 mmvme : crtsavres.o%s %(endfile_mvme) ; \
1007 msim : crtsavres.o%s %(endfile_sim) ; \
1008 mwindiss : %(endfile_windiss) ; \
1009 mcall-freebsd: crtsavres.o%s %(endfile_freebsd) ; \
1010 mcall-linux : crtsavres.o%s %(endfile_linux) ; \
1011 mcall-gnu : crtsavres.o%s %(endfile_gnu) ; \
1012 mcall-netbsd : crtsavres.o%s %(endfile_netbsd) ; \
1013 : %(crtsavres_default) %(endfile_default) }"
a1ffecd9
MM		 1014
1015#define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s"
c81bebd7 1016
c81bebd7
MM		 1017#define ENDFILE_DEFAULT_SPEC ""
1018
e9a25f70 1019/* Motorola ADS support. */
e9a25f70 1020#define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
e9a25f70 1021
362c63a5 1022#define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
e9a25f70 1023
362c63a5 1024#define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
e9a25f70 1025
e9a25f70 1026#define LINK_START_ADS_SPEC "-T ads.ld%s"
e9a25f70 1027
e9a25f70 1028#define LINK_OS_ADS_SPEC ""
e9a25f70 1029
e9a25f70 1030#define CPP_OS_ADS_SPEC ""
e9a25f70
JL		 1031
1032/* Motorola Yellowknife support. */
e9a25f70 1033#define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
e9a25f70 1034
362c63a5 1035#define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
e9a25f70 1036
362c63a5 1037#define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
e9a25f70 1038
e9a25f70 1039#define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
e9a25f70 1040
e9a25f70 1041#define LINK_OS_YELLOWKNIFE_SPEC ""
e9a25f70 1042
e9a25f70 1043#define CPP_OS_YELLOWKNIFE_SPEC ""
e9a25f70 1044
c81bebd7 1045/* Motorola MVME support. */
e9a25f70 1046#define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
c81bebd7 1047
362c63a5 1048#define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
c81bebd7 1049
362c63a5 1050#define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
c81bebd7 1051
362c63a5 1052#define LINK_START_MVME_SPEC "-Ttext 0x40000"
c81bebd7 1053
fba29a8c 1054#define LINK_OS_MVME_SPEC ""
fba29a8c 1055
c81bebd7 1056#define CPP_OS_MVME_SPEC ""
c81bebd7
MM		 1057
1058/* PowerPC simulator based on netbsd system calls support. */
e9a25f70 1059#define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
c81bebd7 1060
362c63a5 1061#define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
c81bebd7 1062
362c63a5 1063#define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
c81bebd7 1064
362c63a5 1065#define LINK_START_SIM_SPEC ""
c81bebd7 1066
362c63a5 1067#define LINK_OS_SIM_SPEC "-m elf32ppcsim"
fba29a8c 1068
c81bebd7 1069#define CPP_OS_SIM_SPEC ""
c81bebd7 1070
b91da81f
DB		 1071/* FreeBSD support. */
1072
1073#define CPP_OS_FREEBSD_SPEC "\
4e2e315f 1074 -D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
b91da81f
DB		 1075 -Acpu=powerpc -Amachine=powerpc"
1076
1077#define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC
1078#define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC
1079#define LIB_FREEBSD_SPEC FBSD_LIB_SPEC
1080#define LINK_START_FREEBSD_SPEC ""
1081
1082#define LINK_OS_FREEBSD_SPEC "\
88467101
DB		 1083 %{p:%e`-p' not supported; use `-pg' and gprof(1)} \
1084 %{Wl,*:%*} \
1085 %{v:-V} \
1086 %{assert*} %{R*} %{rpath*} %{defsym*} \
1087 %{shared:-Bshareable %{h*} %{soname*}} \
1088 %{!shared: \
1089 %{!static: \
1090 %{rdynamic: -export-dynamic} \
1091 %{!dynamic-linker: -dynamic-linker /usr/libexec/ld-elf.so.1}} \
1092 %{static:-Bstatic}} \
1093 %{symbolic:-Bsymbolic}"
b91da81f 1094
956d6950 1095/* GNU/Linux support. */
d540a32c
FS		 1096#ifdef USE_GNULIBC_1
1097#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
1098%{!mnewlib: -lc }"
1099#else
1100#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
1101%{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
1102%{profile:-lc_p} %{!profile:-lc}}}"
1103#endif
c81bebd7 1104
ccd84f51 1105#ifdef USE_GNULIBC_1
9a57586f
MM		 1106#define STARTFILE_LINUX_SPEC "\
1107%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
b26e3a82 1108%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
362c63a5 1109%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
ccd84f51
FS		 1110#else
1111#define STARTFILE_LINUX_SPEC "\
1112%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} \
1113%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1114%{static:crtbeginT.o%s} \
1115%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}"
1116#endif
c81bebd7 1117
362c63a5
GK		 1118#define ENDFILE_LINUX_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1119%{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
c81bebd7 1120
362c63a5 1121#define LINK_START_LINUX_SPEC ""
c81bebd7 1122
362c63a5
GK		 1123#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
1124 %{rdynamic:-export-dynamic} \
1125 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
fba29a8c 1126
ccd84f51
FS		 1127#if !defined(USE_GNULIBC_1) && defined(HAVE_LD_EH_FRAME_HDR)
1128# define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
1129#endif
1130
d540a32c 1131#ifdef USE_GNULIBC_1
d29350c0
MM		 1132#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
1133%{!undef: \
1134 %{!ansi: \
1135 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
1136 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
2b57e919 1137-Asystem=unix -Asystem=posix"
d540a32c 1138#else
d29350c0
MM		 1139#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
1140%{!undef: \
1141 %{!ansi: \
1142 %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
1143 %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
2b57e919 1144-Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
d540a32c 1145#endif
c81bebd7 1146
ddb28441
RM		 1147/* GNU/Hurd support. */
1148#define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \
1149%{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \
1150%{profile:-lc_p} %{!profile:-lc}}}"
1151
1152#define STARTFILE_GNU_SPEC "\
1153%{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \
1154%{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
1155%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \
1156%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1157
1158#define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1159%{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}"
1160
1161#define LINK_START_GNU_SPEC ""
1162
1163#define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \
1164 %{rdynamic:-export-dynamic} \
1165 %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}"
1166
8fe2d853 1167#define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__ \
d29350c0
MM		 1168%{!undef: \
1169 %{!ansi: -Dunix -D__unix}} \
ddb28441
RM		 1170-Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
1171
edf1b3f3
AC		 1172/* NetBSD support. */
1173#define LIB_NETBSD_SPEC "\
1174%{profile:-lgmon -lc_p} %{!profile:-lc}"
1175
1176#define STARTFILE_NETBSD_SPEC "\
1177ncrti.o%s crt0.o%s \
1178%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
1179
1180#define ENDFILE_NETBSD_SPEC "\
1181%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
1182ncrtn.o%s"
1183
1184#define LINK_START_NETBSD_SPEC "\
1185"
1186
1187#define LINK_OS_NETBSD_SPEC "\
1188%{!shared: %{!static: \
1189 %{rdynamic:-export-dynamic} \
1190 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
1191
1192#define CPP_OS_NETBSD_SPEC "\
4e2e315f 1193-D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
edf1b3f3 1194
a1ffecd9
MM		 1195/* WindISS support. */
1196
1197#define LIB_WINDISS_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group"
1198
1199#define CPP_OS_WINDISS_SPEC "\
1200-D__rtasim \
1201-D__EABI__ \
1202-D__ppc \
1203%{!msoft-float: -D__hardfp} \
1204"
1205
1206#define STARTFILE_WINDISS_SPEC "crt0.o%s crtbegin.o%s"
1207
1208#define ENDFILE_WINDISS_SPEC "crtend.o%s"
1209
1210#define LINK_START_WINDISS_SPEC ""
1211
1212#define LINK_OS_WINDISS_SPEC ""
1213
c81bebd7 1214/* Define any extra SPECS that the compiler needs to generate. */
9ebbca7d 1215/* Override rs6000.h definition. */
c81bebd7 1216#undef SUBTARGET_EXTRA_SPECS
9ebbca7d
GK		 1217#define SUBTARGET_EXTRA_SPECS \
1218 { "cpp_sysv", CPP_SYSV_SPEC }, \
a1ffecd9 1219 { "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
e9a25f70
JL		 1220 { "lib_ads", LIB_ADS_SPEC }, \
1221 { "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
c81bebd7
MM		 1222 { "lib_mvme", LIB_MVME_SPEC }, \
1223 { "lib_sim", LIB_SIM_SPEC }, \
b91da81f 1224 { "lib_freebsd", LIB_FREEBSD_SPEC }, \
ddb28441 1225 { "lib_gnu", LIB_GNU_SPEC }, \
c81bebd7 1226 { "lib_linux", LIB_LINUX_SPEC }, \
edf1b3f3 1227 { "lib_netbsd", LIB_NETBSD_SPEC }, \
a1ffecd9 1228 { "lib_windiss", LIB_WINDISS_SPEC }, \
c81bebd7 1229 { "lib_default", LIB_DEFAULT_SPEC }, \
e9a25f70
JL		 1230 { "startfile_ads", STARTFILE_ADS_SPEC }, \
1231 { "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
c81bebd7
MM		 1232 { "startfile_mvme", STARTFILE_MVME_SPEC }, \
1233 { "startfile_sim", STARTFILE_SIM_SPEC }, \
b91da81f 1234 { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \
ddb28441 1235 { "startfile_gnu", STARTFILE_GNU_SPEC }, \
c81bebd7 1236 { "startfile_linux", STARTFILE_LINUX_SPEC }, \
edf1b3f3 1237 { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
a1ffecd9 1238 { "startfile_windiss", STARTFILE_WINDISS_SPEC }, \
c81bebd7 1239 { "startfile_default", STARTFILE_DEFAULT_SPEC }, \
e9a25f70
JL		 1240 { "endfile_ads", ENDFILE_ADS_SPEC }, \
1241 { "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
c81bebd7
MM		 1242 { "endfile_mvme", ENDFILE_MVME_SPEC }, \
1243 { "endfile_sim", ENDFILE_SIM_SPEC }, \
b91da81f 1244 { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \
ddb28441 1245 { "endfile_gnu", ENDFILE_GNU_SPEC }, \
c81bebd7 1246 { "endfile_linux", ENDFILE_LINUX_SPEC }, \
edf1b3f3 1247 { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
a1ffecd9 1248 { "endfile_windiss", ENDFILE_WINDISS_SPEC }, \
c81bebd7 1249 { "endfile_default", ENDFILE_DEFAULT_SPEC }, \
fba29a8c
MM		 1250 { "link_path", LINK_PATH_SPEC }, \
1251 { "link_shlib", LINK_SHLIB_SPEC }, \
1252 { "link_target", LINK_TARGET_SPEC }, \
83cd7147 1253 { "link_start", LINK_START_SPEC }, \
e9a25f70
JL		 1254 { "link_start_ads", LINK_START_ADS_SPEC }, \
1255 { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \
c81bebd7
MM		 1256 { "link_start_mvme", LINK_START_MVME_SPEC }, \
1257 { "link_start_sim", LINK_START_SIM_SPEC }, \
b91da81f 1258 { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \
ddb28441 1259 { "link_start_gnu", LINK_START_GNU_SPEC }, \
c81bebd7 1260 { "link_start_linux", LINK_START_LINUX_SPEC }, \
edf1b3f3 1261 { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
a1ffecd9 1262 { "link_start_windiss", LINK_START_WINDISS_SPEC }, \
c81bebd7 1263 { "link_start_default", LINK_START_DEFAULT_SPEC }, \
fba29a8c 1264 { "link_os", LINK_OS_SPEC }, \
e9a25f70
JL		 1265 { "link_os_ads", LINK_OS_ADS_SPEC }, \
1266 { "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \
fba29a8c
MM		 1267 { "link_os_mvme", LINK_OS_MVME_SPEC }, \
1268 { "link_os_sim", LINK_OS_SIM_SPEC }, \
b91da81f 1269 { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \
fba29a8c 1270 { "link_os_linux", LINK_OS_LINUX_SPEC }, \
ddb28441 1271 { "link_os_gnu", LINK_OS_GNU_SPEC }, \
edf1b3f3 1272 { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
a1ffecd9 1273 { "link_os_windiss", LINK_OS_WINDISS_SPEC }, \
fba29a8c 1274 { "link_os_default", LINK_OS_DEFAULT_SPEC }, \
bef84347
VM		 1275 { "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
1276 { "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
1277 { "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \
e9a25f70
JL		 1278 { "cpp_os_ads", CPP_OS_ADS_SPEC }, \
1279 { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
c81bebd7
MM		 1280 { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
1281 { "cpp_os_sim", CPP_OS_SIM_SPEC }, \
b91da81f 1282 { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \
ddb28441 1283 { "cpp_os_gnu", CPP_OS_GNU_SPEC }, \
c81bebd7 1284 { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
edf1b3f3 1285 { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
a1ffecd9 1286 { "cpp_os_windiss", CPP_OS_WINDISS_SPEC }, \
fba29a8c 1287 { "cpp_os_default", CPP_OS_DEFAULT_SPEC },
b6c9286a
MM		 1288
1289/* Define this macro as a C expression for the initializer of an
1290 array of string to tell the driver program which options are
1291 defaults for this target and thus do not need to be handled
1292 specially when using `MULTILIB_OPTIONS'.
1293
1294 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
1295 the target makefile fragment or if none of the options listed in
1296 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
1297
3807773b 1298#define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
38c1f2d7
MM		 1299
1300/* Define this macro if the code for function profiling should come
1301 before the function prologue. Normally, the profiling code comes
1302 after. */
1303#define PROFILE_BEFORE_PROLOGUE 1
1304
1305/* Function name to call to do profiling. */
38c1f2d7 1306#define RS6000_MCOUNT "_mcount"
e0f7170a 1307
edf11378
FS		 1308/* Define this macro (to a value of 1) if you want to support the
1309 Win32 style pragmas #pragma pack(push,<n>)' and #pragma
1310 pack(pop)'. The pack(push,<n>) pragma specifies the maximum
1311 alignment (in bytes) of fields within a structure, in much the
1312 same way as the __aligned__' and __packed__' __attribute__'s
a0ab749a 1313 do. A pack value of zero resets the behavior to the default.
edf11378
FS		 1314 Successive invocations of this pragma cause the previous values to
1315 be stacked, so that invocations of #pragma pack(pop)' will return
1316 to the previous value. */
1317
1318#define HANDLE_PRAGMA_PACK_PUSH_POP 1
1319
e0f7170a
GK		 1320/* Define library calls for quad FP operations. These are all part of the
1321 PowerPC 32bit ABI. */
1322#define ADDTF3_LIBCALL "_q_add"
1323#define DIVTF3_LIBCALL "_q_div"
1324#define EXTENDDFTF2_LIBCALL "_q_dtoq"
1325#define EQTF2_LIBCALL "_q_feq"
1326#define GETF2_LIBCALL "_q_fge"
1327#define GTTF2_LIBCALL "_q_fgt"
1328#define LETF2_LIBCALL "_q_fle"
1329#define LTTF2_LIBCALL "_q_flt"
1330#define NETF2_LIBCALL "_q_fne"
1331#define FLOATSITF2_LIBCALL "_q_itoq"
1332#define MULTF3_LIBCALL "_q_mul"
1333#define NEGTF2_LIBCALL "_q_neg"
1334#define TRUNCTFDF2_LIBCALL "_q_qtod"
1335#define FIX_TRUNCTFSI2_LIBCALL "_q_qtoi"
1336#define TRUNCTFSF2_LIBCALL "_q_qtos"
1337#define FIXUNS_TRUNCTFSI2_LIBCALL "_q_qtou"
1338#define SQRTTF_LIBCALL "_q_sqrt"
1339#define EXTENDSFTF2_LIBCALL "_q_stoq"
1340#define SUBTF3_LIBCALL "_q_sub"
1341#define FLOATUNSSITF2_LIBCALL "_q_utoq"
1342
1343#define INIT_TARGET_OPTABS \
1344 do { \
1345 if (TARGET_HARD_FLOAT) \
1346 { \
1347 add_optab->handlers[(int) TFmode].libfunc \
1348 = init_one_libfunc (ADDTF3_LIBCALL); \
1349 sub_optab->handlers[(int) TFmode].libfunc \
1350 = init_one_libfunc (SUBTF3_LIBCALL); \
1351 neg_optab->handlers[(int) TFmode].libfunc \
1352 = init_one_libfunc (NEGTF2_LIBCALL); \
1353 smul_optab->handlers[(int) TFmode].libfunc \
1354 = init_one_libfunc (MULTF3_LIBCALL); \
ef89d648 1355 sdiv_optab->handlers[(int) TFmode].libfunc \
e0f7170a
GK		 1356 = init_one_libfunc (DIVTF3_LIBCALL); \
1357 eqtf2_libfunc = init_one_libfunc (EQTF2_LIBCALL); \
1358 netf2_libfunc = init_one_libfunc (NETF2_LIBCALL); \
1359 gttf2_libfunc = init_one_libfunc (GTTF2_LIBCALL); \
1360 getf2_libfunc = init_one_libfunc (GETF2_LIBCALL); \
1361 lttf2_libfunc = init_one_libfunc (LTTF2_LIBCALL); \
1362 letf2_libfunc = init_one_libfunc (LETF2_LIBCALL); \
1363 trunctfsf2_libfunc = init_one_libfunc (TRUNCTFSF2_LIBCALL); \
1364 trunctfdf2_libfunc = init_one_libfunc (TRUNCTFDF2_LIBCALL); \
1365 extendsftf2_libfunc = init_one_libfunc (EXTENDSFTF2_LIBCALL); \
1366 extenddftf2_libfunc = init_one_libfunc (EXTENDDFTF2_LIBCALL); \
1367 floatsitf_libfunc = init_one_libfunc (FLOATSITF2_LIBCALL); \
1368 fixtfsi_libfunc = init_one_libfunc (FIX_TRUNCTFSI2_LIBCALL); \
1369 fixunstfsi_libfunc \
1370 = init_one_libfunc (FIXUNS_TRUNCTFSI2_LIBCALL); \
1371 if (TARGET_PPC_GPOPT || TARGET_POWER2) \
1372 sqrt_optab->handlers[(int) TFmode].libfunc \
1373 = init_one_libfunc (SQRTTF_LIBCALL); \
1374 } \
1375 } while (0)
e44713f7
GK		 1376
1377/* Select a format to encode pointers in exception handling data. CODE
1378 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
1379 true if the symbol may be affected by dynamic relocations. */
50c30603
GK		 1380#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
1381 ((flag_pic || TARGET_RELOCATABLE) \
e44713f7
GK		 1382 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
1383 : DW_EH_PE_absptr)
50c30603 1384
07c9d2eb
SS		 1385#define TARGET_ASM_EXCEPTION_SECTION readonly_data_section
1386
362b68a8 1387#define DOUBLE_INT_ASM_OP "\t.quad\t"
301d03af
RS		 1388
1389/* Generate entries in .fixup for relocatable addresses. */
1390#define RELOCATABLE_NEEDS_FIXUP
GNU Compiler Collection
This page took 1.399383 seconds and 5 git commands to generate.