| /* Configuration for an OpenBSD i386 target. |
| Copyright (C) 1999, 2000, 2002, 2004 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| |
| #define TARGET_VERSION fprintf (stderr, " (OpenBSD/i386)"); |
| |
| /* This goes away when the math-emulator is fixed */ |
| #undef TARGET_SUBTARGET_DEFAULT |
| #define TARGET_SUBTARGET_DEFAULT \ |
| (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387) |
| |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| builtin_define ("__unix__"); \ |
| builtin_define ("__OpenBSD__"); \ |
| builtin_assert ("system=unix"); \ |
| builtin_assert ("system=bsd"); \ |
| builtin_assert ("system=OpenBSD"); \ |
| } \ |
| while (0) |
| |
| /* Layout of source language data types. */ |
| |
| /* This must agree with <machine/ansi.h> */ |
| #undef SIZE_TYPE |
| #define SIZE_TYPE "unsigned int" |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "int" |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "int" |
| |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE 32 |
| |
| /* Assembler format: overall framework. */ |
| |
| #undef ASM_APP_ON |
| #define ASM_APP_ON "#APP\n" |
| |
| #undef ASM_APP_OFF |
| #define ASM_APP_OFF "#NO_APP\n" |
| |
| /* Stack & calling: aggregate returns. */ |
| |
| /* Don't default to pcc-struct-return, because gcc is the only compiler, and |
| we want to retain compatibility with older gcc versions. */ |
| #define DEFAULT_PCC_STRUCT_RETURN 0 |
| |
| /* Assembler format: alignment output. */ |
| |
| /* Kludgy test: when gas is upgraded, it will have p2align, and no problems |
| with nops. */ |
| #ifndef HAVE_GAS_MAX_SKIP_P2ALIGN |
| /* i386 OpenBSD still uses an older gas that doesn't insert nops by default |
| when the .align directive demands to insert extra space in the text |
| segment. */ |
| #undef ASM_OUTPUT_ALIGN |
| #define ASM_OUTPUT_ALIGN(FILE,LOG) \ |
| if ((LOG)!=0) fprintf ((FILE), "\t.align %d,0x90\n", (LOG)) |
| #endif |
| |
| /* Stack & calling: profiling. */ |
| |
| /* OpenBSD's profiler recovers all information from the stack pointer. |
| The icky part is not here, but in machine/profile.h. */ |
| #undef FUNCTION_PROFILER |
| #define FUNCTION_PROFILER(FILE, LABELNO) \ |
| fputs (flag_pic ? "\tcall mcount@PLT\n": "\tcall mcount\n", FILE); |
| |
| /* Assembler format: exception region output. */ |
| |
| /* All configurations that don't use elf must be explicit about not using |
| dwarf unwind information. */ |
| #define DWARF2_UNWIND_INFO 0 |
| |
| #undef ASM_PREFERRED_EH_DATA_FORMAT |
| |
| #undef ASM_COMMENT_START |
| #define ASM_COMMENT_START ";#" |
| |
| /* OpenBSD gas currently does not support quad, so do not use it. */ |
| #undef ASM_QUAD |
