1/* Configuration for an OpenBSD i386 target. 2 3 Copyright (C) 2005-2015 Free Software Foundation, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 3, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21#define TARGET_OS_CPP_BUILTINS() \ 22 do \ 23 { \ 24 OPENBSD_OS_CPP_BUILTINS(); \ 25 } \ 26 while (0) 27 28#undef DBX_REGISTER_NUMBER 29#define DBX_REGISTER_NUMBER(n) \ 30 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) 31 32/* This must agree with <machine/_types.h>. */ 33#undef SIZE_TYPE 34#define SIZE_TYPE "long unsigned int" 35 36#undef PTRDIFF_TYPE 37#define PTRDIFF_TYPE "long int" 38 39#undef WCHAR_TYPE 40#define WCHAR_TYPE "int" 41 42#undef WCHAR_TYPE_SIZE 43#define WCHAR_TYPE_SIZE 32 44 45#undef WINT_TYPE 46#define WINT_TYPE "int" 47 48/* Don't default to pcc-struct-return, because gcc is the only compiler, and 49 we want to retain compatibility with older gcc versions. */ 50 51#undef DEFAULT_PCC_STRUCT_RETURN 52#define DEFAULT_PCC_STRUCT_RETURN 0 53 54/* Override the default comment-starter of "/". */ 55#undef ASM_COMMENT_START 56#define ASM_COMMENT_START "#" 57 58#undef ASM_APP_ON 59#define ASM_APP_ON "#APP\n" 60 61#undef ASM_APP_OFF 62#define ASM_APP_OFF "#NO_APP\n" 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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ 72 do { \ 73 if ((LOG) != 0) { \ 74 if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ 75 else { \ 76 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ 77 /* Make sure that we have at least 8 byte alignment if > 8 byte \ 78 alignment is preferred. */ \ 79 if ((LOG) > 3 \ 80 && (1 << (LOG)) > ((MAX_SKIP) + 1) \ 81 && (MAX_SKIP) >= 7) \ 82 fputs ("\t.p2align 3\n", (FILE)); \ 83 } \ 84 } \ 85 } while (0) 86#endif 87 88/* OpenBSD's profiler recovers all information from the stack pointer. 89 The icky part is not here, but in <machine/profile.h>. */ 90#undef FUNCTION_PROFILER 91#define FUNCTION_PROFILER(FILE, LABELNO) \ 92 fputs (flag_pic ? "\tcall __mcount@PLT\n": "\tcall __mcount\n", FILE); 93 94#undef LINK_SPEC 95#define LINK_SPEC \ 96 "%{!shared:%{!nostdlib:%{!r:%{!e*:-e __start}}}} \ 97 %{shared:-shared} %{R*} \ 98 %{static:-Bstatic} \ 99 %{!static:-Bdynamic} \ 100 %{assert*} \ 101 -dynamic-linker /usr/libexec/ld.so" 102 103#undef STARTFILE_SPEC 104#define STARTFILE_SPEC "\ 105 %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \ 106 crtbegin%O%s} %{shared:crtbeginS%O%s}" 107 108#undef ENDFILE_SPEC 109#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}" 110 111#define OBSD_HAS_CORRECT_SPECS 112 113#define HAVE_ENABLE_EXECUTE_STACK 114