| /* Configuration for an OpenBSD i386 target. |
| |
| Copyright (C) 2005 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. */ |
| |
| /* This gets defined in tm.h->linux.h->svr4.h, and keeps us from using |
| libraries compiled with the native cc, so undef it. */ |
| #undef NO_DOLLAR_IN_LABEL |
| |
| /* Override the default comment-starter of "/". */ |
| #undef ASM_COMMENT_START |
| #define ASM_COMMENT_START "#" |
| |
| #undef DBX_REGISTER_NUMBER |
| #define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n] |
| |
| /* This goes away when the math-emulator is fixed */ |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT \ |
| (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387) |
| |
| /* Run-time target specifications */ |
| |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| OPENBSD_OS_CPP_BUILTINS(); \ |
| } \ |
| while (0) |
| |
| /* As an elf system, we need crtbegin/crtend stuff. */ |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "\ |
| %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \ |
| crtbegin%O%s} %{shared:crtbeginS%O%s}" |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}" |
| |
| /* Layout of source language data types. */ |
| |
| /* This must agree with <machine/ansi.h> */ |
| #undef SIZE_TYPE |
| /* LLVM local */ |
| #define SIZE_TYPE "long unsigned int" |
| |
| #undef PTRDIFF_TYPE |
| /* LLVM local */ |
| #define PTRDIFF_TYPE "long int" |
| |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE "int" |
| |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE BITS_PER_WORD |
| |
| /* 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" |
| |
| #undef SET_ASM_OP |
| #define SET_ASM_OP "\t.set\t" |
| |
| /* The following macros were originally stolen from i386v4.h. |
| These have to be defined to get PIC code correct. */ |
| |
| /* Assembler format: dispatch tables. */ |
| |
| /* Assembler format: sections. */ |
| |
| /* 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. */ |
| |
| #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN |
| #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ |
| if ((LOG) != 0) {\ |
| if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ |
| else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ |
| } |
| #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. */ |
| |
| /* LLVM local begin */ |
| /* LLVM local end */ |
| /* Assembler format: alignment output. */ |
| |
| /* Note that we pick up ASM_OUTPUT_MAX_SKIP_ALIGN from i386/gas.h */ |
| |
| /* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */ |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC \ |
| "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e __start}}}} \ |
| %{shared:-shared} %{R*} \ |
| %{static:-Bstatic} \ |
| %{!static:-Bdynamic} \ |
| %{assert*} \ |
| %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so}" |
| |
| #define OBSD_HAS_CORRECT_SPECS |