diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/usr.bin/gcc/config/openbsd.h | 104 |
1 files changed, 61 insertions, 43 deletions
diff --git a/gnu/usr.bin/gcc/config/openbsd.h b/gnu/usr.bin/gcc/config/openbsd.h index 2ba02dcc7eb..af8358eb153 100644 --- a/gnu/usr.bin/gcc/config/openbsd.h +++ b/gnu/usr.bin/gcc/config/openbsd.h @@ -1,6 +1,24 @@ -/* $OpenBSD: openbsd.h,v 1.18 1999/02/28 15:44:58 espie Exp $ */ +/* Base configuration file for all OpenBSD targets. + Copyright (C) 1999 Free Software Foundation, Inc. -/* common OpenBSD configuration. +This file is part of GNU CC. + +GNU CC 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. + +GNU CC 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 GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* Common OpenBSD configuration. All OpenBSD architectures include this file, which is intended as a repository for common defines. @@ -20,24 +38,24 @@ the corresponding logic for OBJECTS is necessarily coupled. There are also a few `default' defines such as ASM_WEAKEN_LABEL, - intended as common ground for arch that don't provide anything suitable. - */ + intended as common ground for arch that don't provide + anything suitable. */ /* OPENBSD_NATIVE is defined only when gcc is configured as part of the OpenBSD source tree, specifically through Makefile.bsd-wrapper. In such a case the include path can be trimmed as there is no - distinction between system includes and gcc includes - */ + distinction between system includes and gcc includes. */ + /* This configuration method, namely Makefile.bsd-wrapper and - OPENBSD_NATIVE is NOT recommended for building cross-compilers - */ + OPENBSD_NATIVE is NOT recommended for building cross-compilers. */ + #ifdef OPENBSD_NATIVE #undef GCC_INCLUDE_DIR #define GCC_INCLUDE_DIR "/usr/include" -/* The compiler is configured with ONLY the gcc/g++ standard headers */ +/* The compiler is configured with ONLY the gcc/g++ standard headers. */ #undef INCLUDE_DEFAULTS #define INCLUDE_DEFAULTS \ { \ @@ -53,8 +71,8 @@ #endif -/* Controlling the compilation driver - * ---------------------------------- */ +/* Controlling the compilation driver. */ + /* CPP_SPEC appropriate for OpenBSD. We deal with -posix and -pthread. XXX the way threads are handling currently is not very satisfying, since all code must be compiled with -pthread to work. @@ -72,7 +90,7 @@ #ifndef OBSD_NO_DYNAMIC_LIBRARIES #undef SWITCH_TAKES_ARG #define SWITCH_TAKES_ARG(CHAR) \ - (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ + (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ || (CHAR) == 'R') #endif @@ -82,12 +100,12 @@ #ifdef OBSD_OLD_GAS /* ASM_SPEC appropriate for OpenBSD. For some architectures, OpenBSD still uses a special flavor of gas that needs to be told when generating - pic code. */ + pic code. */ #undef ASM_SPEC #define ASM_SPEC "%{fpic:-k} %{fPIC:-k -K} %|" #else /* Since we use gas, stdin -> - is a good idea, but we don't want to - override native specs just for that. */ + override native specs just for that. */ #ifndef ASM_SPEC #define ASM_SPEC "%|" #endif @@ -109,45 +127,45 @@ #endif -/* Runtime target specification - * ---------------------------- */ -/* You must redefine CPP_PREDEFINES in any arch specific file. */ +/* Runtime target specification. */ + +/* You must redefine CPP_PREDEFINES in any arch specific file. */ #undef CPP_PREDEFINES -/* Implicit calls to library routines - * ---------------------------------- */ -/* Use memcpy and memset instead of bcopy and bzero. */ +/* Implicit calls to library routines. */ + +/* Use memcpy and memset instead of bcopy and bzero. */ #define TARGET_MEM_FUNCTIONS -/* Miscellaneous parameters - * ------------------------ */ -/* tell libgcc2.c that OpenBSD targets support atexit. */ +/* Miscellaneous parameters. */ + +/* Tell libgcc2.c that OpenBSD targets support atexit. */ #define HAVE_ATEXIT -/* Controlling debugging info: dbx options - * --------------------------------------- */ +/* Controlling debugging info: dbx options. */ + /* Don't use the `xsTAG;' construct in DBX output; OpenBSD systems that - * use DBX don't support it. */ + use DBX don't support it. */ #define DBX_NO_XREFS -/* Support of shared libraries, mostly imported from svr4.h through netbsd. */ +/* Support of shared libraries, mostly imported from svr4.h through netbsd. */ /* Two differences from svr4.h: - we use . - _func instead of a local label, - we put extra spaces in expressions such as .type _func , @function This is more readable for a human being and confuses c++filt less. */ -/* Assembler format: output and generation of labels - * ------------------------------------------------- */ +/* Assembler format: output and generation of labels. */ + /* Define the strings used for the .type and .size directives. These strings generally do not vary from one system running OpenBSD to another, but if a given system needs to use different pseudo-op - names for these, they may be overridden in the arch specific file. */ + names for these, they may be overridden in the arch specific file. */ /* OpenBSD assembler is hacked to have .type & .size support even in a.out format object files. Functions size are supported but not activated - yet (look for GRACE_PERIOD_EXPIRED in gas/config/obj-aout.c). */ + yet (look for GRACE_PERIOD_EXPIRED in gas/config/obj-aout.c). */ #undef TYPE_ASM_OP #undef SIZE_ASM_OP @@ -197,7 +215,7 @@ { \ fprintf (FILE, "\t%s\t", SIZE_ASM_OP); \ assemble_name (FILE, (FNAME)); \ - fputs(" , . - ", FILE); \ + fputs (" , . - ", FILE); \ assemble_name (FILE, (FNAME)); \ putc ('\n', FILE); \ } \ @@ -222,14 +240,14 @@ assemble_name (FILE, NAME); \ fprintf (FILE, " , %d\n", int_size_in_bytes (TREE_TYPE (DECL)));\ } \ - ASM_OUTPUT_LABEL(FILE, NAME); \ + ASM_OUTPUT_LABEL (FILE, NAME); \ } while (0) /* Output the size directive for a decl in rest_of_decl_compilation in the case where we did not do so before the initializer. Once we find the error_mark_node, we know that the value of - size_directive_output was set - by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ + size_directive_output was set by ASM_DECLARE_OBJECT_NAME + when it was run for the same decl. */ #undef ASM_FINISH_DECLARE_OBJECT #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ do { \ @@ -255,14 +273,14 @@ do { \ /* Tell the assembler that a symbol is weak. */ /* Note: netbsd arm32 assembler needs a .globl here. An override may - be needed when/if we go for arm32 support. */ + be needed when/if we go for arm32 support. */ #ifndef ASM_WEAKEN_LABEL #define ASM_WEAKEN_LABEL(FILE,NAME) \ do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \ fputc ('\n', FILE); } while (0) #endif -/* Tell the assembler that a symbol is global. */ +/* Tell the assembler that a symbol is global. */ #ifndef ASM_GLOBALIZE_LABEL #define ASM_GLOBALIZE_LABEL(FILE,NAME) \ do { fputs ("\t.globl\t", FILE); assemble_name (FILE, NAME); \ @@ -270,15 +288,15 @@ do { \ #endif -/* Storage layout - -------------- */ +/* Storage layout. */ + /* We don't have to worry about binary compatibility with older C++ code, but there is a big known bug with vtable thunks which has not been - fixed yet, so DON'T activate it by default. - */ + fixed yet, so DON'T activate it by default. */ /* #define DEFAULT_VTABLE_THUNKS 1 */ + /* Otherwise, since we support weak, gthr.h erroneously tries to use - #pragma weak - */ + #pragma weak. */ #define GTHREAD_USE_WEAK 0 + |