git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| dbed5a9b | 1 | /* Definitions for Intel 386 running DragonFly with ELF format |
| 5624e564 | 2 | Copyright (C) 2014-2015 Free Software Foundation, Inc. |
| dbed5a9b JM |
3 | Contributed by John Marino <gnugcc@marino.st> |
| 4 | ||
| 5 | This file is part of GCC. | |
| 6 | ||
| 7 | GCC is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 3, or (at your option) | |
| 10 | any later version. | |
| 11 | ||
| 12 | GCC 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 | Under Section 7 of GPL version 3, you are granted additional | |
| 18 | permissions described in the GCC Runtime Library Exception, version | |
| 19 | 3.1, as published by the Free Software Foundation. | |
| 20 | ||
| 21 | You should have received a copy of the GNU General Public License and | |
| 22 | a copy of the GCC Runtime Library Exception along with this program; | |
| 23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 24 | <http://www.gnu.org/licenses/>. */ | |
| 25 | ||
| 26 | ||
| 27 | /* Override the default comment-starter of "/". */ | |
| 28 | #undef ASM_COMMENT_START | |
| 29 | #define ASM_COMMENT_START "#" | |
| 30 | ||
| 31 | #undef ASM_APP_ON | |
| 32 | #define ASM_APP_ON "#APP\n" | |
| 33 | ||
| 34 | #undef ASM_APP_OFF | |
| 35 | #define ASM_APP_OFF "#NO_APP\n" | |
| 36 | ||
| 37 | #undef DBX_REGISTER_NUMBER | |
| 38 | #define DBX_REGISTER_NUMBER(n) \ | |
| 39 | (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) | |
| 40 | ||
| 41 | #undef NO_PROFILE_COUNTERS | |
| 42 | #define NO_PROFILE_COUNTERS 1 | |
| 43 | ||
| 44 | /* Tell final.c that we don't need a label passed to mcount. */ | |
| 45 | ||
| 46 | #undef MCOUNT_NAME | |
| 47 | #define MCOUNT_NAME ".mcount" | |
| 48 | ||
| 49 | /* Make gcc agree with <machine/ansi.h>. */ | |
| 50 | ||
| 51 | #undef SIZE_TYPE | |
| 52 | #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int") | |
| 53 | ||
| 54 | #undef PTRDIFF_TYPE | |
| 55 | #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") | |
| 56 | ||
| 57 | #undef WCHAR_TYPE_SIZE | |
| 58 | #define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD) | |
| 59 | ||
| 60 | #undef SUBTARGET_EXTRA_SPECS /* i386.h bogusly defines it. */ | |
| 61 | #define SUBTARGET_EXTRA_SPECS \ | |
| 62 | { "dfbsd_dynamic_linker", DFBSD_DYNAMIC_LINKER } | |
| 63 | ||
| 64 | /* A C statement to output to the stdio stream FILE an assembler | |
| 65 | command to advance the location counter to a multiple of 1<<LOG | |
| 66 | bytes if it is within MAX_SKIP bytes. | |
| 67 | ||
| 68 | This is used to align code labels according to Intel recommendations. */ | |
| 69 | ||
| 70 | #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN | |
| 71 | #undef ASM_OUTPUT_MAX_SKIP_ALIGN | |
| 72 | #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \ | |
| 73 | if ((LOG) != 0) { \ | |
| 74 | if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ | |
| 75 | else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ | |
| 76 | } | |
| 77 | #endif | |
| 78 | ||
| 79 | /* Don't default to pcc-struct-return, we want to retain compatibility with | |
| 80 | older gcc versions AND pcc-struct-return is nonreentrant. | |
| 81 | (even though the SVR4 ABI for the i386 says that records and unions are | |
| 82 | returned in memory). */ | |
| 83 | ||
| 84 | #undef DEFAULT_PCC_STRUCT_RETURN | |
| 85 | #define DEFAULT_PCC_STRUCT_RETURN 0 | |
| 86 | ||
| 87 | /* DragonFly sets the rounding precision of the FPU to 53 bits. Let the | |
| 88 | compiler get the contents of <float.h> and std::numeric_limits correct. */ | |
| 89 | #undef TARGET_96_ROUND_53_LONG_DOUBLE | |
| 90 | #define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT) | |
| 91 | ||
| dbed5a9b JM |
92 | /* Static stack checking is supported by means of probes. */ |
| 93 | #define STACK_CHECK_STATIC_BUILTIN 1 | |
| 94 | ||
| 95 | /* Support for i386 was removed from DragonFly in 2007 */ | |
| 96 | #define SUBTARGET32_DEFAULT_CPU "i486" | |
| 97 | ||
| 98 | #define TARGET_ASM_FILE_END file_end_indicate_exec_stack |