diff options
Diffstat (limited to 'gcc-4.9/gcc/config/i386/openbsd.h')
| -rw-r--r-- | gcc-4.9/gcc/config/i386/openbsd.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/openbsd.h b/gcc-4.9/gcc/config/i386/openbsd.h new file mode 100644 index 000000000..f313d5cd1 --- /dev/null +++ b/gcc-4.9/gcc/config/i386/openbsd.h @@ -0,0 +1,101 @@ +/* Configuration for an OpenBSD i386 target. + Copyright (C) 1999-2014 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 3, 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 COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + + +/* 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 + +#define TARGET_HAVE_NAMED_SECTIONS false |