1 /* Definitions for Intel 386 running MINIX with ELF format 2 Copyright (C) 1996, 2000, 2002, 2004 Free Software Foundation, Inc. 3 Contributed by Eric Youngdale. 4 Modified for stabs-in-ELF by H.J. Lu. 5 Adapted from GNU/Linux version by John Polstra. 6 Continued development by David O'Brien <obrien@freebsd.org> 7 8 This file is part of GCC. 9 10 GCC is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2, or (at your option) 13 any later version. 14 15 GCC is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with GCC; see the file COPYING. If not, write to 22 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 23 Boston, MA 02110-1301, USA. */ 24 25 #undef MINIX_TARGET_CPU_CPP_BUILTINS 26 #define MINIX_TARGET_CPU_CPP_BUILTINS() \ 27 do \ 28 { \ 29 builtin_define ("__i386"); \ 30 builtin_define_with_int_value ("_EM_WSIZE", 4); \ 31 builtin_define_with_int_value ("_EM_PSIZE", 4); \ 32 builtin_define_with_int_value ("_EM_SSIZE", 2); \ 33 builtin_define_with_int_value ("_EM_LSIZE", 4); \ 34 builtin_define_with_int_value ("_EM_FSIZE", 4); \ 35 builtin_define_with_int_value ("_EM_DSIZE", 8); \ 36 } \ 37 while (0) 38 39 #define TARGET_VERSION fprintf (stderr, " (MINIX/i586 ELF)"); 40 41 /* Override the default comment-starter of "/". */ 42 #undef ASM_COMMENT_START 43 #define ASM_COMMENT_START "#" 44 45 #undef ASM_APP_ON 46 #define ASM_APP_ON "#APP\n" 47 48 #undef ASM_APP_OFF 49 #define ASM_APP_OFF "#NO_APP\n" 50 51 #undef DBX_REGISTER_NUMBER 52 #define DBX_REGISTER_NUMBER(n) \ 53 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) 54 55 #undef NO_PROFILE_COUNTERS 56 #define NO_PROFILE_COUNTERS 1 57 58 /* Tell final.c that we don't need a label passed to mcount. */ 59 60 #undef MCOUNT_NAME 61 #define MCOUNT_NAME ".mcount" 62 63 /* Make gcc agree with <machine/ansi.h>. */ 64 65 #undef SIZE_TYPE 66 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int") 67 68 #undef PTRDIFF_TYPE 69 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") 70 71 #undef WCHAR_TYPE_SIZE 72 #define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD) 73 74 /* A C statement to output to the stdio stream FILE an assembler 75 command to advance the location counter to a multiple of 1<<LOG 76 bytes if it is within MAX_SKIP bytes. 77 78 This is used to align code labels according to Intel recommendations. */ 79 80 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN 81 #undef ASM_OUTPUT_MAX_SKIP_ALIGN 82 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \ 83 if ((LOG) != 0) { \ 84 if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ 85 else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ 86 } 87 #endif 88 89 /* Don't default to pcc-struct-return, we want to retain compatibility with 90 older gcc versions AND pcc-struct-return is nonreentrant. 91 (even though the SVR4 ABI for the i386 says that records and unions are 92 returned in memory). */ 93 94 #undef DEFAULT_PCC_STRUCT_RETURN 95 #define DEFAULT_PCC_STRUCT_RETURN 0 96 97 #define SUBTARGET32_DEFAULT_CPU "i586" 98