| freebsd.h (73243) | freebsd.h (73304) |
|---|---|
| 1/* Base configuration file for all FreeBSD targets. 2 Copyright (C) 1999, 2000 Free Software Foundation, Inc. 3 4This file is part of GNU CC. 5 6GNU CC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) --- 9 unchanged lines hidden (view full) --- 18the Free Software Foundation, 59 Temple Place - Suite 330, 19Boston, MA 02111-1307, USA. */ 20 21/* Common FreeBSD configuration. 22 All FreeBSD architectures should include this file, which will specify 23 their commonalities. 24 Adapted from /usr/src/contrib/gcc/config/i386/freebsd.h, 25 /usr/src/contrib/gcc/config/svr4.h & | 1/* Base configuration file for all FreeBSD targets. 2 Copyright (C) 1999, 2000 Free Software Foundation, Inc. 3 4This file is part of GNU CC. 5 6GNU CC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) --- 9 unchanged lines hidden (view full) --- 18the Free Software Foundation, 59 Temple Place - Suite 330, 19Boston, MA 02111-1307, USA. */ 20 21/* Common FreeBSD configuration. 22 All FreeBSD architectures should include this file, which will specify 23 their commonalities. 24 Adapted from /usr/src/contrib/gcc/config/i386/freebsd.h, 25 /usr/src/contrib/gcc/config/svr4.h & |
| 26 egcs/gcc/config/i386/freebsd-elf.h version by David O'Brien */ | 26 egcs/gcc/config/i386/freebsd-elf.h by 27 David O'Brien <obrien@FreeBSD.org>. */ |
| 27 | 28 |
| 28/* $FreeBSD: head/contrib/gcc/config/freebsd.h 73243 2001-02-28 22:37:32Z obrien $ */ | 29/* $FreeBSD: head/contrib/gcc/config/freebsd.h 73304 2001-03-02 02:42:42Z obrien $ */ |
| 29 30 31/* Cpp, assembler, linker, library, and startfile spec's. */ 32 33/* This defines which switch letters take arguments. On FreeBSD, most of 34 the normal cases (defined in gcc.c) apply, and we also have -h* and 35 -z* options (for the linker) (coming from SVR4). 36 We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */ 37 | 30 31 32/* Cpp, assembler, linker, library, and startfile spec's. */ 33 34/* This defines which switch letters take arguments. On FreeBSD, most of 35 the normal cases (defined in gcc.c) apply, and we also have -h* and 36 -z* options (for the linker) (coming from SVR4). 37 We also have -R (alias --rpath), no -z, --soname (-h), --assert etc. */ 38 |
| 38#define FBSD_SWITCH_TAKES_ARG(CHAR) \ 39 (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ 40 || (CHAR) == 'h' \ 41 || (CHAR) == 'z' /* ignored by ld */ \ 42 || (CHAR) == 'R') | 39#define FBSD_SWITCH_TAKES_ARG(CHAR) \ 40 (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ 41 || (CHAR) == 'h' \ 42 || (CHAR) == 'z' /* ignored by ld */ \ 43 || (CHAR) == 'R') |
| 43 44#undef SWITCH_TAKES_ARG | 44 45#undef SWITCH_TAKES_ARG |
| 45#define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR)) | 46#define SWITCH_TAKES_ARG(CHAR) (FBSD_SWITCH_TAKES_ARG(CHAR)) |
| 46 47/* This defines which multi-letter switches take arguments. */ 48 49#define FBSD_WORD_SWITCH_TAKES_ARG(STR) \ 50 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ 51 || !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link") \ 52 || !strcmp ((STR), "soname") || !strcmp ((STR), "defsym") \ 53 || !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker")) 54 55#undef WORD_SWITCH_TAKES_ARG | 47 48/* This defines which multi-letter switches take arguments. */ 49 50#define FBSD_WORD_SWITCH_TAKES_ARG(STR) \ 51 (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \ 52 || !strcmp ((STR), "rpath") || !strcmp ((STR), "rpath-link") \ 53 || !strcmp ((STR), "soname") || !strcmp ((STR), "defsym") \ 54 || !strcmp ((STR), "assert") || !strcmp ((STR), "dynamic-linker")) 55 56#undef WORD_SWITCH_TAKES_ARG |
| 56#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR)) | 57#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR)) |
| 57 58/* Place spaces around this string. We depend on string splicing to produce 59 the final CPP_PREDEFINES value. */ | 58 59/* Place spaces around this string. We depend on string splicing to produce 60 the final CPP_PREDEFINES value. */ |
| 60#define FBSD_CPP_PREDEFINES " -Dunix -D__FreeBSD__=5 -D__FreeBSD_cc_version=500002 -Asystem(unix) -Asystem(FreeBSD) " | |
| 61 | 61 |
| 62#define FBSD_CPP_PREDEFINES \ 63 " -D__FreeBSD__=5 -D__FreeBSD_cc_version=500002 -Dunix -Asystem(unix) -Asystem(FreeBSD) " 64 |
|
| 62#define FBSD_CPP_SPEC " \ 63 %(cpp_cpu) \ 64 %{!maout: -D__ELF__} \ 65 %{munderscores: -D__UNDERSCORES__} \ 66 %{maout: %{!mno-underscores: -D__UNDERSCORES__}} \ 67 %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \ 68 %{posix:-D_POSIX_SOURCE}" 69 70#undef CPP_SPEC 71#define CPP_SPEC FBSD_CPP_SPEC 72 73/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate | 65#define FBSD_CPP_SPEC " \ 66 %(cpp_cpu) \ 67 %{!maout: -D__ELF__} \ 68 %{munderscores: -D__UNDERSCORES__} \ 69 %{maout: %{!mno-underscores: -D__UNDERSCORES__}} \ 70 %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \ 71 %{posix:-D_POSIX_SOURCE}" 72 73#undef CPP_SPEC 74#define CPP_SPEC FBSD_CPP_SPEC 75 76/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate |
| 74 libc, depending on whether we're doing profiling. Add the appropriate 75 libc_r if supporting threads. 76 (like the default, except no -lg, and no -p). */ | 77 libc, depending on whether we're doing profiling or need threads support. 78 (simular to the default, except no -lg, and no -p). */ 79 |
| 77#undef LIB_SPEC 78#define LIB_SPEC " \ 79 %{!shared: \ 80 %{!pg: %{pthread:-lc_r} -lc} \ 81 %{pg: %{pthread:-lc_r_p} -lc_p} \ 82 }" 83 84 --- 43 unchanged lines hidden (view full) --- 128 129#undef USER_LABEL_PREFIX 130#define USER_LABEL_PREFIX "" 131 132/* Handle #pragma weak and #pragma pack. */ 133#undef HANDLE_SYSV_PRAGMA 134#define HANDLE_SYSV_PRAGMA 135 | 80#undef LIB_SPEC 81#define LIB_SPEC " \ 82 %{!shared: \ 83 %{!pg: %{pthread:-lc_r} -lc} \ 84 %{pg: %{pthread:-lc_r_p} -lc_p} \ 85 }" 86 87 --- 43 unchanged lines hidden (view full) --- 131 132#undef USER_LABEL_PREFIX 133#define USER_LABEL_PREFIX "" 134 135/* Handle #pragma weak and #pragma pack. */ 136#undef HANDLE_SYSV_PRAGMA 137#define HANDLE_SYSV_PRAGMA 138 |
| 136/* FreeBSD ELF using our home-grown crtbegin.o/crtend.o does not support the 137 DWARF2 unwinding mechanisms. Once `make world' bootstraping problems with 138 the EGCS crtstuff.c is overcome, we will switch to the non-sjlj-exceptions 139 type exception machanism. */ | 139/* FreeBSD ELF uses across the board will now use DWARF2 unwinding as the IA-64 140 psABI requires it. */ |
| 140#define DWARF2_UNWIND_INFO 0 141 142/* Do not use ``thunks'' to implement C++ vtables. This method still has 143 fatal bugs. Also, GCC 3.0 will have a new C++ ABI that may not even 144 support `thunks'. */ 145#undef DEFAULT_VTABLE_THUNKS 146 147 148/************************[ Assembler stuff ]********************************/ 149 150/* Override the default comment-starter of "/". */ 151#undef ASM_COMMENT_START 152#define ASM_COMMENT_START "#" 153 154/* Attach a special .ident directive to the end of the file to identify | 141#define DWARF2_UNWIND_INFO 0 142 143/* Do not use ``thunks'' to implement C++ vtables. This method still has 144 fatal bugs. Also, GCC 3.0 will have a new C++ ABI that may not even 145 support `thunks'. */ 146#undef DEFAULT_VTABLE_THUNKS 147 148 149/************************[ Assembler stuff ]********************************/ 150 151/* Override the default comment-starter of "/". */ 152#undef ASM_COMMENT_START 153#define ASM_COMMENT_START "#" 154 155/* Attach a special .ident directive to the end of the file to identify |
| 155 the version of GCC which compiled this code. The format of the 156 .ident string is patterned after the ones produced by native SVR4 157 C compilers. */ | 156 the version of GCC which compiled this code. The format of the .ident 157 string is patterned after the ones produced by native SVR4 C compilers. */ |
| 158 159#undef IDENT_ASM_OP 160#define IDENT_ASM_OP "\t.ident\t" 161 162/* Output #ident as a .ident. */ 163 164#undef ASM_OUTPUT_IDENT | 158 159#undef IDENT_ASM_OP 160#define IDENT_ASM_OP "\t.ident\t" 161 162/* Output #ident as a .ident. */ 163 164#undef ASM_OUTPUT_IDENT |
| 165#define ASM_OUTPUT_IDENT(FILE, NAME) \ | 165#define ASM_OUTPUT_IDENT(FILE, NAME) \ |
| 166 fprintf ((FILE), "%s\"%s\"\n", IDENT_ASM_OP, (NAME)); 167 168/* Identify the front-end which produced this file. To keep symbol 169 space down, and not confuse kdb, only do this if the language is 170 not C. (svr4.h defines ASM_IDENTIFY_GCC but neglects this) */ 171 172#undef ASM_IDENTIFY_LANGUAGE 173#define ASM_IDENTIFY_LANGUAGE(FILE) \ --- 21 unchanged lines hidden (view full) --- 195#define ASM_BYTE_OP "\t.byte\t" 196 197/* This is how to allocate empty space in some section. The .zero 198 pseudo-op is used for this on most ELF assemblers. */ 199 200#undef SKIP_ASM_OP 201#define SKIP_ASM_OP "\t.zero\t" 202 | 166 fprintf ((FILE), "%s\"%s\"\n", IDENT_ASM_OP, (NAME)); 167 168/* Identify the front-end which produced this file. To keep symbol 169 space down, and not confuse kdb, only do this if the language is 170 not C. (svr4.h defines ASM_IDENTIFY_GCC but neglects this) */ 171 172#undef ASM_IDENTIFY_LANGUAGE 173#define ASM_IDENTIFY_LANGUAGE(FILE) \ --- 21 unchanged lines hidden (view full) --- 195#define ASM_BYTE_OP "\t.byte\t" 196 197/* This is how to allocate empty space in some section. The .zero 198 pseudo-op is used for this on most ELF assemblers. */ 199 200#undef SKIP_ASM_OP 201#define SKIP_ASM_OP "\t.zero\t" 202 |
| 203/* How to output some space. The rules are different depending on the 204 object format. */ 205#undef ASM_OUTPUT_SKIP 206#define ASM_OUTPUT_SKIP(FILE, SIZE) \ 207 do { \ 208 if (TARGET_ELF) \ 209 { \ 210 fprintf ((FILE), "%s%u\n", SKIP_ASM_OP, (SIZE)); \ 211 } \ 212 else \ 213 { \ 214 fprintf ((FILE), "\t.space\t%u\n", (SIZE)); \ 215 } \ 216 } while (0) 217 | |
| 218/* A table of bytes codes used by the ASM_OUTPUT_ASCII and 219 ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table 220 corresponds to a particular byte value [0..255]. For any 221 given byte value, if the value in the corresponding table 222 position is zero, the given character can be output directly. 223 If the table value is 1, the byte must be output as a \ooo 224 octal escape. If the tables value is anything else, then the 225 byte value should be output as a \ followed by the value --- 45 unchanged lines hidden (view full) --- 271/* This says how to output assembler code to declare an 272 uninitialized external linkage data object. Under SVR4/ELF, 273 the linker seems to want the alignment of data objects 274 to depend on their types. We do exactly that here. */ 275 276#undef COMMON_ASM_OP 277#define COMMON_ASM_OP "\t.comm\t" 278 | 203/* A table of bytes codes used by the ASM_OUTPUT_ASCII and 204 ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table 205 corresponds to a particular byte value [0..255]. For any 206 given byte value, if the value in the corresponding table 207 position is zero, the given character can be output directly. 208 If the table value is 1, the byte must be output as a \ooo 209 octal escape. If the tables value is anything else, then the 210 byte value should be output as a \ followed by the value --- 45 unchanged lines hidden (view full) --- 256/* This says how to output assembler code to declare an 257 uninitialized external linkage data object. Under SVR4/ELF, 258 the linker seems to want the alignment of data objects 259 to depend on their types. We do exactly that here. */ 260 261#undef COMMON_ASM_OP 262#define COMMON_ASM_OP "\t.comm\t" 263 |
| 279#undef ASM_OUTPUT_ALIGNED_COMMON 280#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ 281 do { \ 282 if (TARGET_ELF) \ 283 { \ 284 fprintf ((FILE), "%s", COMMON_ASM_OP); \ 285 assemble_name ((FILE), (NAME)); \ 286 fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \ 287 } \ 288 else \ 289 { \ 290 int rounded = (SIZE); \ 291 if (rounded == 0) rounded = 1; \ 292 rounded += (BIGGEST_ALIGNMENT / BITS_PER_UNIT) - 1; \ 293 rounded = (rounded / (BIGGEST_ALIGNMENT / BITS_PER_UNIT) \ 294 * (BIGGEST_ALIGNMENT / BITS_PER_UNIT)); \ 295 fprintf ((FILE), "%s ", COMMON_ASM_OP); \ 296 assemble_name ((FILE), (NAME)); \ 297 fprintf ((FILE), ",%u\n", (rounded)); \ 298 } \ 299 } while (0) 300 | |
| 301/* This says how to output assembler code to declare an 302 uninitialized internal linkage data object. Under SVR4/ELF, 303 the linker seems to want the alignment of data objects 304 to depend on their types. We do exactly that here. */ 305 306#undef LOCAL_ASM_OP 307#define LOCAL_ASM_OP "\t.local\t" 308 | 264/* This says how to output assembler code to declare an 265 uninitialized internal linkage data object. Under SVR4/ELF, 266 the linker seems to want the alignment of data objects 267 to depend on their types. We do exactly that here. */ 268 269#undef LOCAL_ASM_OP 270#define LOCAL_ASM_OP "\t.local\t" 271 |
| 309/* This says how to output assembler code to declare an 310 uninitialized internal linkage data object. Under SVR4, 311 the linker seems to want the alignment of data objects 312 to depend on their types. We do exactly that here. */ 313 314#undef ASM_OUTPUT_ALIGNED_LOCAL 315#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ 316 do { \ 317 if (TARGET_ELF) \ 318 { \ 319 fprintf ((FILE), "%s", LOCAL_ASM_OP); \ 320 assemble_name ((FILE), (NAME)); \ 321 fprintf ((FILE), "\n"); \ 322 ASM_OUTPUT_ALIGNED_COMMON ((FILE), (NAME), (SIZE), (ALIGN)); \ 323 } \ 324 else \ 325 { \ 326 int rounded = (SIZE); \ 327 if (rounded == 0) rounded = 1; \ 328 rounded += (BIGGEST_ALIGNMENT / BITS_PER_UNIT) - 1; \ 329 rounded = (rounded / (BIGGEST_ALIGNMENT / BITS_PER_UNIT) \ 330 * (BIGGEST_ALIGNMENT / BITS_PER_UNIT)); \ 331 fputs ("\t.lcomm\t", (FILE)); \ 332 assemble_name ((FILE), (NAME)); \ 333 fprintf ((FILE), ",%u\n", (rounded)); \ 334 } \ 335 } while (0) 336 | |
| 337#undef ASM_OUTPUT_BEFORE_CASE_LABEL 338#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \ 339 ASM_OUTPUT_ALIGN ((FILE), 2); 340 341#undef ASM_OUTPUT_CASE_LABEL 342#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \ 343 do { \ 344 ASM_OUTPUT_BEFORE_CASE_LABEL ((FILE), (PREFIX), (NUM), (JUMPTABLE)) \ --- 111 unchanged lines hidden (view full) --- 456 { \ 457 if (in_section != in_dtors) \ 458 { \ 459 fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \ 460 in_section = in_dtors; \ 461 } \ 462 } 463 | 272#undef ASM_OUTPUT_BEFORE_CASE_LABEL 273#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) \ 274 ASM_OUTPUT_ALIGN ((FILE), 2); 275 276#undef ASM_OUTPUT_CASE_LABEL 277#define ASM_OUTPUT_CASE_LABEL(FILE, PREFIX, NUM, JUMPTABLE) \ 278 do { \ 279 ASM_OUTPUT_BEFORE_CASE_LABEL ((FILE), (PREFIX), (NUM), (JUMPTABLE)) \ --- 111 unchanged lines hidden (view full) --- 391 { \ 392 if (in_section != in_dtors) \ 393 { \ 394 fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \ 395 in_section = in_dtors; \ 396 } \ 397 } 398 |
| 464/* A C statement (sans semicolon) to output an element in the table of 465 global constructors. */ 466#undef ASM_OUTPUT_CONSTRUCTOR 467#define ASM_OUTPUT_CONSTRUCTOR(FILE, NAME) \ 468 do { \ 469 if (TARGET_ELF) \ 470 { \ 471 ctors_section (); \ 472 fprintf ((FILE), "%s ", INT_ASM_OP); \ 473 assemble_name ((FILE), (NAME)); \ 474 fprintf ((FILE), "\n"); \ 475 } \ 476 else \ 477 { \ 478 fprintf (asm_out_file, "%s \"%s__CTOR_LIST__\",22,0,0,", \ 479 ASM_STABS_OP, (TARGET_UNDERSCORES) ? "_" : ""); \ 480 assemble_name (asm_out_file, name); \ 481 fputc ('\n', asm_out_file); \ 482 } \ 483 } while (0) 484 485/* A C statement (sans semicolon) to output an element in the table of 486 global destructors. */ 487#undef ASM_OUTPUT_DESTRUCTOR 488#define ASM_OUTPUT_DESTRUCTOR(FILE, NAME) \ 489 do { \ 490 if (TARGET_ELF) \ 491 { \ 492 dtors_section (); \ 493 fprintf ((FILE), "%s ", INT_ASM_OP); \ 494 assemble_name ((FILE), (NAME)); \ 495 fprintf ((FILE), "\n"); \ 496 } \ 497 else \ 498 { \ 499 fprintf (asm_out_file, "%s \"%s__DTOR_LIST__\",22,0,0,", \ 500 ASM_STABS_OP, (TARGET_UNDERSCORES) ? "_" : ""); \ 501 assemble_name (asm_out_file, name); \ 502 fputc ('\n', asm_out_file); \ 503 } \ 504 } while (0) 505 | |
| 506/* A C statement or statements to switch to the appropriate 507 section for output of RTX in mode MODE. RTX is some kind 508 of constant in RTL. The argument MODE is redundant except 509 in the case of a `const_int' rtx. Currently, these always 510 go into the const section. */ 511 512#undef SELECT_RTX_SECTION 513#define SELECT_RTX_SECTION(MODE, RTX) const_section() --- 91 unchanged lines hidden (view full) --- 605/* All ELF targets can support DWARF-2. */ 606#undef DWARF2_DEBUGGING_INFO 607#define DWARF2_DEBUGGING_INFO 608 609/* This is BSD, so we want the DBX format. */ 610#undef DBX_DEBUGGING_INFO 611#define DBX_DEBUGGING_INFO 612 | 399/* A C statement or statements to switch to the appropriate 400 section for output of RTX in mode MODE. RTX is some kind 401 of constant in RTL. The argument MODE is redundant except 402 in the case of a `const_int' rtx. Currently, these always 403 go into the const section. */ 404 405#undef SELECT_RTX_SECTION 406#define SELECT_RTX_SECTION(MODE, RTX) const_section() --- 91 unchanged lines hidden (view full) --- 498/* All ELF targets can support DWARF-2. */ 499#undef DWARF2_DEBUGGING_INFO 500#define DWARF2_DEBUGGING_INFO 501 502/* This is BSD, so we want the DBX format. */ 503#undef DBX_DEBUGGING_INFO 504#define DBX_DEBUGGING_INFO 505 |
| 613/* Use stabs instead of DWARF debug format. */ | 506/* This is BSD, so use stabs instead of DWARF debug format. */ |
| 614#undef PREFERRED_DEBUGGING_TYPE 615#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG 616 617/* But allow STABS to be supported as well. 618 Note that we want to override some definition settings done for some 619 architecture's native OS's tools that don't apply to us. */ 620#undef ASM_IDENTIFY_GCC 621#undef ASM_IDENTIFY_LANGUAGE | 507#undef PREFERRED_DEBUGGING_TYPE 508#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG 509 510/* But allow STABS to be supported as well. 511 Note that we want to override some definition settings done for some 512 architecture's native OS's tools that don't apply to us. */ 513#undef ASM_IDENTIFY_GCC 514#undef ASM_IDENTIFY_LANGUAGE |
| 622 623#include "dbxelf.h" | |