/* Configuration for an OpenBSD i386 target. Copyright (C) 1999-2016 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 . */ /* 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 */ #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