Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/alpha/openbsd.h @ 0:a06113de4d67
first commit
| author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 17 Jul 2009 14:47:48 +0900 |
| parents | |
| children | 77e2b8dfacca |
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| -1:000000000000 | 0:a06113de4d67 |
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| 1 /* Configuration file for an alpha OpenBSD target. | |
| 2 Copyright (C) 1999, 2003, 2007 Free Software Foundation, Inc. | |
| 3 | |
| 4 This file is part of GCC. | |
| 5 | |
| 6 GCC is free software; you can redistribute it and/or modify | |
| 7 it under the terms of the GNU General Public License as published by | |
| 8 the Free Software Foundation; either version 3, or (at your option) | |
| 9 any later version. | |
| 10 | |
| 11 GCC is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with GCC; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 /* We settle for little endian for now. */ | |
| 21 #define TARGET_ENDIAN_DEFAULT 0 | |
| 22 | |
| 23 /* Controlling the compilation driver. */ | |
| 24 | |
| 25 /* alpha needs __start. */ | |
| 26 #undef LINK_SPEC | |
| 27 #define LINK_SPEC \ | |
| 28 "%{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{assert*}" | |
| 29 | |
| 30 /* run-time target specifications */ | |
| 31 #define TARGET_OS_CPP_BUILTINS() \ | |
| 32 do { \ | |
| 33 builtin_define ("__OpenBSD__"); \ | |
| 34 builtin_define ("__ANSI_COMPAT"); \ | |
| 35 builtin_define ("__unix__"); \ | |
| 36 builtin_assert ("system=unix"); \ | |
| 37 } while (0) | |
| 38 | |
| 39 /* Layout of source language data types. */ | |
| 40 | |
| 41 /* This must agree with <machine/ansi.h> */ | |
| 42 #undef SIZE_TYPE | |
| 43 #define SIZE_TYPE "long unsigned int" | |
| 44 | |
| 45 #undef PTRDIFF_TYPE | |
| 46 #define PTRDIFF_TYPE "long int" | |
| 47 | |
| 48 #undef WCHAR_TYPE | |
| 49 #define WCHAR_TYPE "int" | |
| 50 | |
| 51 #undef WCHAR_TYPE_SIZE | |
| 52 #define WCHAR_TYPE_SIZE 32 | |
| 53 | |
| 54 | |
| 55 #undef PREFERRED_DEBUGGING_TYPE | |
| 56 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG | |
| 57 | |
| 58 #define LOCAL_LABEL_PREFIX "." | |
| 59 | |
| 60 /* We don't have an init section yet. */ | |
| 61 #undef HAS_INIT_SECTION | |
| 62 | |
| 63 /* collect2 support (assembler format: macros for initialization). */ | |
| 64 | |
| 65 /* Don't tell collect2 we use COFF as we don't have (yet ?) a dynamic ld | |
| 66 library with the proper functions to handle this -> collect2 will | |
| 67 default to using nm. */ | |
| 68 #undef OBJECT_FORMAT_COFF | |
| 69 #undef EXTENDED_COFF | |
| 70 | |
| 71 /* Assembler format: exception region output. */ | |
| 72 | |
| 73 /* All configurations that don't use elf must be explicit about not using | |
| 74 dwarf unwind information. */ | |
| 75 #ifdef INCOMING_RETURN_ADDR_RTX | |
| 76 #undef DWARF2_UNWIND_INFO | |
| 77 #define DWARF2_UNWIND_INFO 0 | |
| 78 #endif | |
| 79 | |
| 80 /* Assembler format: label output. */ | |
| 81 | |
| 82 /* alpha ecoff supports only weak aliases. */ | |
| 83 #undef ASM_WEAKEN_LABEL | |
| 84 #define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS (FILE,NAME,0) | |
| 85 | |
| 86 #define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE) \ | |
| 87 do { \ | |
| 88 fputs ("\t.weakext\t", FILE); \ | |
| 89 assemble_name (FILE, NAME); \ | |
| 90 if (VALUE) \ | |
| 91 { \ | |
| 92 fputs (" , ", FILE); \ | |
| 93 assemble_name (FILE, VALUE); \ | |
| 94 } \ | |
| 95 fputc ('\n', FILE); \ | |
| 96 } while (0) | |
| 97 | |
| 98 |