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/* Configuration for an OpenBSD i386 target. |
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Copyright (C) 1999 Free Software Foundation, Inc. |
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This file is part of GNU CC. |
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GNU CC is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
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GNU CC is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with GNU CC; see the file COPYING. If not, write to |
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the Free Software Foundation, 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. */ |
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/* This gets defined in tm.h->linux.h->svr4.h, and keeps us from using |
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libraries compiled with the native cc, so undef it. */ |
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#undef NO_DOLLAR_IN_LABEL |
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/* Override the default comment-starter of "/". */ |
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#undef ASM_COMMENT_START |
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#define ASM_COMMENT_START "#" |
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/* This goes away when the math-emulator is fixed */ |
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#undef TARGET_DEFAULT |
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#define TARGET_DEFAULT \ |
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(MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387) |
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/* Run-time target specifications */ |
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#define TARGET_OS_CPP_BUILTINS() \ |
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do \ |
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{ \ |
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OPENBSD_OS_CPP_BUILTINS_ELF(); \ |
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} \ |
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while (0) |
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/* As an elf system, we need crtbegin/crtend stuff. */ |
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#undef STARTFILE_SPEC |
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#define STARTFILE_SPEC "\ |
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%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \ |
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crtbegin%O%s} %{shared:crtbeginS%O%s}" |
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#undef ENDFILE_SPEC |
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#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}" |
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/* Layout of source language data types. */ |
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/* This must agree with <machine/ansi.h> */ |
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#undef SIZE_TYPE |
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#define SIZE_TYPE "unsigned int" |
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#undef PTRDIFF_TYPE |
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#define PTRDIFF_TYPE "int" |
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#undef WCHAR_TYPE |
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#define WCHAR_TYPE "int" |
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#undef WCHAR_TYPE_SIZE |
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#define WCHAR_TYPE_SIZE BITS_PER_WORD |
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/* Assembler format: overall framework. */ |
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#undef ASM_APP_ON |
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#define ASM_APP_ON "#APP\n" |
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#undef ASM_APP_OFF |
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#define ASM_APP_OFF "#NO_APP\n" |
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#undef SET_ASM_OP |
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#define SET_ASM_OP "\t.set\t" |
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/* The following macros were originally stolen from i386v4.h. |
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These have to be defined to get PIC code correct. */ |
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/* Assembler format: dispatch tables. */ |
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/* Assembler format: sections. */ |
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/* Stack & calling: aggregate returns. */ |
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/* Don't default to pcc-struct-return, because gcc is the only compiler, and |
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we want to retain compatibility with older gcc versions. */ |
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#define DEFAULT_PCC_STRUCT_RETURN 0 |
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/* Assembler format: alignment output. */ |
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN |
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ |
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if ((LOG) != 0) {\ |
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ |
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else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ |
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} |
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#endif |
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/* Stack & calling: profiling. */ |
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/* OpenBSD's profiler recovers all information from the stack pointer. |
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The icky part is not here, but in machine/profile.h. */ |
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#undef FUNCTION_PROFILER |
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#define FUNCTION_PROFILER(FILE, LABELNO) \ |
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fputs (flag_pic ? "\tcall __mcount@PLT\n": "\tcall __mcount\n", FILE); |
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/* Assembler format: exception region output. */ |
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/* our configuration still doesn't handle dwarf2 correctly */ |
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#define DWARF2_UNWIND_INFO 0 |
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/* Assembler format: alignment output. */ |
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/* Note that we pick up ASM_OUTPUT_MAX_SKIP_ALIGN from i386/gas.h */ |
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/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */ |
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#undef LINK_SPEC |
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#define LINK_SPEC \ |
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"%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \ |
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%{shared:-shared} %{R*} \ |
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%{static:-Bstatic} \ |
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%{!static:-Bdynamic} \ |
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%{assert*} \ |
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%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}" |
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#define OBSD_HAS_CORRECT_SPECS |
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/* pick up defines for mprotect (used in TRANSFER_FROM_TRANPOLINE) */ |
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#include <sys/types.h> |
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#include <sys/mman.h> |