From: No Author Date: Thu, 18 Feb 1999 19:04:30 +0000 (+0000) Subject: This commit was manufactured by cvs2svn to create branch X-Git-Tag: prereleases/egcs-1.1.2-prerelease-2~13 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1cd1d4683e57d8ee0932eaa6cafe6c2b51675791;p=thirdparty%2Fgcc.git This commit was manufactured by cvs2svn to create branch 'egcs_1_1_branch'. From-SVN: r25294 --- diff --git a/gcc/config/alpha/openbsd.h b/gcc/config/alpha/openbsd.h new file mode 100644 index 000000000000..60591d554f56 --- /dev/null +++ b/gcc/config/alpha/openbsd.h @@ -0,0 +1,126 @@ +/* Configuration file for an alpha OpenBSD target. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ + +/* We settle for little endian for now. */ +#define TARGET_ENDIAN_DEFAULT 0 + +#include + +#define OBSD_NO_DYNAMIC_LIBRARIES +#define OBSD_HAS_DECLARE_FUNCTION_NAME +#define OBSD_HAS_DECLARE_FUNCTION_SIZE +#define OBSD_HAS_DECLARE_OBJECT + +/* alpha ecoff supports only weak aliases, see below. */ +#define ASM_WEAKEN_LABEL(FILE,NAME) ASM_OUTPUT_WEAK_ALIAS (FILE,NAME,0) + +#include + +/* Controlling the compilation driver. */ + +/* alpha needs __start. */ +#undef LINK_SPEC +#define LINK_SPEC \ + "%{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp %{assert*}" + +/* run-time target specifications */ +#define CPP_PREDEFINES "-D__unix__ -D__ANSI_COMPAT -Asystem(unix) \ +-D__OpenBSD__ -D__alpha__ -D__alpha" + +/* Layout of source language data types. */ + +/* This must agree with */ +#undef SIZE_TYPE +#define SIZE_TYPE "long unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "long int" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG + +#define LOCAL_LABEL_PREFIX "." + +/* We don't have an init section yet. */ +#undef HAS_INIT_SECTION + +/* collect2 support (assembler format: macros for initialization). */ + +/* Don't tell collect2 we use COFF as we don't have (yet ?) a dynamic ld + library with the proper functions to handle this -> collect2 will + default to using nm. */ +#undef OBJECT_FORMAT_COFF +#undef EXTENDED_COFF + +/* Assembler format: exception region output. */ + +/* All configurations that don't use elf must be explicit about not using + dwarf unwind information. egcs doesn't try too hard to check internal + configuration files... */ +#ifdef INCOMING_RETURN_ADDR_RTX +#undef DWARF2_UNWIND_INFO +#define DWARF2_UNWIND_INFO 0 +#endif + +/* Assembler format: file framework. */ + +/* Taken from alpha/osf.h. This used to be common to all alpha + configurations, but elf has departed from it. + Check alpha/alpha.h, alpha/osf.h for it when egcs is upgraded. */ +#ifndef ASM_FILE_START +#define ASM_FILE_START(FILE) \ +{ \ + alpha_write_verstamp (FILE); \ + fprintf (FILE, "\t.set noreorder\n"); \ + fprintf (FILE, "\t.set volatile\n"); \ + fprintf (FILE, "\t.set noat\n"); \ + if (TARGET_SUPPORT_ARCH) \ + fprintf (FILE, "\t.arch %s\n", \ + alpha_cpu == PROCESSOR_EV6 ? "ev6" \ + : (alpha_cpu == PROCESSOR_EV5 \ + ? (TARGET_MAX ? "pca56" : TARGET_BWX ? "ev56" : "ev5") \ + : "ev4")); \ + \ + ASM_OUTPUT_SOURCE_FILENAME (FILE, main_input_filename); \ +} +#endif + +/* Assembler format: label output. */ + +#define ASM_OUTPUT_WEAK_ALIAS(FILE,NAME,VALUE) \ + do { \ + fputs ("\t.weakext\t", FILE); \ + assemble_name (FILE, NAME); \ + if (VALUE) \ + { \ + fputs (" , ", FILE); \ + assemble_name (FILE, VALUE); \ + } \ + fputc ('\n', FILE); \ + } while (0) + + diff --git a/gcc/config/alpha/va_list.h b/gcc/config/alpha/va_list.h new file mode 100644 index 000000000000..c9ab2b0b50e2 --- /dev/null +++ b/gcc/config/alpha/va_list.h @@ -0,0 +1,16 @@ +/* A replacement for Digital Unix's . */ + +#include + +#if !defined(_VA_LIST) && !defined(_HIDDEN_VA_LIST) +#define _VA_LIST +typedef __gnuc_va_list va_list; + +#elif defined(_HIDDEN_VA_LIST) && !defined(_HIDDEN_VA_LIST_DONE) +#define _HIDDEN_VA_LIST_DONE +typedef __gnuc_va_list __va_list; + +#elif defined(_HIDDEN_VA_LIST) && defined(_VA_LIST) +#undef _HIDDEN_VA_LIST + +#endif diff --git a/gcc/config/alpha/xm-openbsd.h b/gcc/config/alpha/xm-openbsd.h new file mode 100644 index 000000000000..50f436695a71 --- /dev/null +++ b/gcc/config/alpha/xm-openbsd.h @@ -0,0 +1,23 @@ +/* Configuration file for an host running alpha OpenBSD. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ + +#include +#include + diff --git a/gcc/config/i386/openbsd.h b/gcc/config/i386/openbsd.h new file mode 100644 index 000000000000..1b56262d9a59 --- /dev/null +++ b/gcc/config/i386/openbsd.h @@ -0,0 +1,130 @@ +/* Configuration for an OpenBSD i386 target. + + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ + +/* This is tested by i386gas.h. */ +#define YES_UNDERSCORES + +#include + +/* Get perform_* macros to build libgcc.a. */ +#include + +/* Get generic OpenBSD definitions. */ +#define OBSD_OLD_GAS +#include + +/* Run-time target specifications */ +#define CPP_PREDEFINES "-D__unix__ -D__i386__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(i386) -Amachine(i386)" + +/* 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" + +/* The following macros were originally stolen from i386v4.h. + These have to be defined to get PIC code correct. */ + +/* Assembler format: dispatch tables. */ + +/* How to output an element of a case-vector that is relative. + This is only used for PIC code. See comments by the `casesi' insn in + i386.md for an explanation of the expression this outputs. */ +#undef ASM_OUTPUT_ADDR_DIFF_ELT +#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ + fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE) + +/* Assembler format: sections. */ + +/* Indicate when jump tables go in the text section. This is + necessary when compiling PIC code. */ +#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic) + +/* 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. egcs doesn't try too hard to check internal + configuration files... */ +#define DWARF2_UNWIND_INFO 0 + +/* Assembler format: alignment output. */ + +/* A C statement to output to the stdio stream FILE an assembler + command to advance the location counter to a multiple of 1< +#include + diff --git a/gcc/config/m68k/openbsd.h b/gcc/config/m68k/openbsd.h new file mode 100644 index 000000000000..bdec45633939 --- /dev/null +++ b/gcc/config/m68k/openbsd.h @@ -0,0 +1,121 @@ +/* Configuration file for an m68k OpenBSD target. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ + +/* m68k is an old configuration that does not yet use the TARGET_CPU_DEFAULT + framework. */ +#define TARGET_DEFAULT (MASK_BITFIELD | MASK_68881 | MASK_68020) + +#include + +/* Get generic OpenBSD definitions. */ +#define OBSD_OLD_GAS +#include + +/* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified. + This will control the use of inline 68881 insns in certain macros. */ +#undef CPP_SPEC +#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}" + +/* Run-time target specifications */ +#define CPP_PREDEFINES "-D__unix__ -D__m68k__ -D__mc68000__ -D__mc68020__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(m68k) -Amachine(m68k)" + +/* TODO: activate subtarget types when gas is updated. +#define ASM_SPEC "%| %{m68030} %{m68040} %{m68060} %{fpic:-k} %{fPIC:-k -K}" + */ + +/* 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 + +/* Storage layout. */ + +/* Every structure or union's size must be a multiple of 2 bytes. */ +#define STRUCTURE_SIZE_BOUNDARY 16 + +/* Specific options for DBX Output. */ + +/* This is BSD, so it wants DBX format. */ +#define DBX_DEBUGGING_INFO + +/* Do not break .stabs pseudos into continuations. */ +#define DBX_CONTIN_LENGTH 0 + +/* This is the char to use for continuation (in case we need to turn + continuation back on). */ +#define DBX_CONTIN_CHAR '?' + +/* 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: exception region output. */ + +/* All configurations that don't use elf must be explicit about not using + dwarf unwind information. egcs doesn't try too hard to check internal + configuration files... */ +#define DWARF2_UNWIND_INFO 0 + + +/* TODO: ASM_OUTPUT_MI_THUNK is busted. I need to figure out + what bra func@PLTPC means under linux, and find the corresponding + construction for our gas/pic setup. */ +#if 0 +/* Taken from linux.h. Processor dependent optimized code to handle C++ + multiple inheritance vtable lookup. */ + +/* Output code to add DELTA to the first argument, and then jump to FUNCTION. + Used for C++ multiple inheritance. */ +#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \ +do { \ + if (DELTA > 0 && DELTA <= 8) \ + asm_fprintf (FILE, "\taddq.l %I%d,4(%Rsp)\n", DELTA); \ + else if (DELTA < 0 && DELTA >= -8) \ + asm_fprintf (FILE, "\tsubq.l %I%d,4(%Rsp)\n", -DELTA); \ + else \ + asm_fprintf (FILE, "\tadd.l %I%d,4(%Rsp)\n", DELTA); \ + \ + if (flag_pic) \ + { \ + fprintf (FILE, "\tbra.l "); \ + assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ + fprintf (FILE, "@PLTPC\n"); \ + } \ + else \ + { \ + fprintf (FILE, "\tjmp "); \ + assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ + fprintf (FILE, "\n"); \ + } \ +} while (0) +#endif + diff --git a/gcc/config/m68k/xm-openbsd.h b/gcc/config/m68k/xm-openbsd.h new file mode 100644 index 000000000000..c4312ff8725a --- /dev/null +++ b/gcc/config/m68k/xm-openbsd.h @@ -0,0 +1,23 @@ +/* Configuration file for an host running m68k OpenBSD. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ + +#include +#include + diff --git a/gcc/config/openbsd.h b/gcc/config/openbsd.h new file mode 100644 index 000000000000..af8358eb1536 --- /dev/null +++ b/gcc/config/openbsd.h @@ -0,0 +1,302 @@ +/* Base configuration file for all OpenBSD targets. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. + + Some defines are common to all architectures, a few of them are + triggered by OBSD_* guards, so that we won't override architecture + defaults by mistakes. + + OBSD_HAS_CORRECT_SPECS: + another mechanism provides correct specs already. + OBSD_NO_DYNAMIC_LIBRARIES: + no implementation of dynamic libraries. + OBSD_OLD_GAS: + older flavor of gas which needs help for PIC. + OBSD_HAS_DECLARE_FUNCTION_NAME, OBSD_HAS_DECLARE_FUNCTION_SIZE, + OBSD_HAS_DECLARE_OBJECT: + PIC support, FUNCTION_NAME/FUNCTION_SIZE are independent, whereas + 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. */ + +/* 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. */ + +/* This configuration method, namely Makefile.bsd-wrapper and + 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. */ +#undef INCLUDE_DEFAULTS +#define INCLUDE_DEFAULTS \ + { \ + { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \ + { GCC_INCLUDE_DIR, "GCC", 0, 0 }, \ + { 0, 0, 0, 0 } \ + } + +/* Under OpenBSD, the normal location of the various *crt*.o files is the + /usr/lib directory. */ +#define STANDARD_STARTFILE_PREFIX "/usr/lib/" + +#endif + + +/* 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. + This two-stage defines makes it easy to pick that for targets that + have subspecs. */ +#define OBSD_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}" + +/* LIB_SPEC appropriate for OpenBSD. Select the appropriate libc, + depending on profiling and threads. Basically, + -lc(_r)?(_p)?, select _r for threads, and _p for p or pg. */ +#define OBSD_LIB_SPEC "-lc%{pthread:_r}%{p:_p}%{!p:%{pg:_p}}" + +#ifndef OBSD_HAS_CORRECT_SPECS + +#ifndef OBSD_NO_DYNAMIC_LIBRARIES +#undef SWITCH_TAKES_ARG +#define SWITCH_TAKES_ARG(CHAR) \ + (DEFAULT_SWITCH_TAKES_ARG (CHAR) \ + || (CHAR) == 'R') +#endif + +#undef CPP_SPEC +#define CPP_SPEC OBSD_CPP_SPEC + +#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. */ +#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. */ +#ifndef ASM_SPEC +#define ASM_SPEC "%|" +#endif +#endif + +/* LINK_SPEC appropriate for OpenBSD. Support for GCC options + -static, -assert, and -nostdlib. */ +#undef LINK_SPEC +#ifdef OBSD_NO_DYNAMIC_LIBRARIES +#define LINK_SPEC \ + "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{assert*}" +#else +#define LINK_SPEC \ + "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{R*} %{static:-Bstatic} %{assert*}" +#endif + +#undef LIB_SPEC +#define LIB_SPEC OBSD_LIB_SPEC +#endif + + +/* 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. */ +#define TARGET_MEM_FUNCTIONS + +/* Miscellaneous parameters. */ + +/* Tell libgcc2.c that OpenBSD targets support atexit. */ +#define HAVE_ATEXIT + +/* Controlling debugging info: dbx options. */ + +/* Don't use the `xsTAG;' construct in DBX output; OpenBSD systems that + use DBX don't support it. */ +#define DBX_NO_XREFS + + +/* 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. */ + +/* 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. */ + +/* 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). */ + +#undef TYPE_ASM_OP +#undef SIZE_ASM_OP + +#define TYPE_ASM_OP ".type" +#define SIZE_ASM_OP ".size" + +/* The following macro defines the format used to output the second + operand of the .type assembler directive. */ +#undef TYPE_OPERAND_FMT +#define TYPE_OPERAND_FMT "@%s" + +/* Provision if extra assembler code is needed to declare a function's result + (taken from svr4, not needed yet actually). */ +#ifndef ASM_DECLARE_RESULT +#define ASM_DECLARE_RESULT(FILE, RESULT) +#endif + +/* These macros generate the special .type and .size directives which + are used to set the corresponding fields of the linker symbol table + entries under OpenBSD. These macros also have to output the starting + labels for the relevant functions/objects. */ + +#ifndef OBSD_HAS_DECLARE_FUNCTION_NAME +/* Extra assembler code needed to declare a function properly. + Some assemblers may also need to also have something extra said + about the function's return value. We allow for that here. */ +#undef ASM_DECLARE_FUNCTION_NAME +#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ + do { \ + fprintf (FILE, "\t%s\t", TYPE_ASM_OP); \ + assemble_name (FILE, NAME); \ + fputs (" , ", FILE); \ + fprintf (FILE, TYPE_OPERAND_FMT, "function"); \ + putc ('\n', FILE); \ + ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \ + ASM_OUTPUT_LABEL(FILE, NAME); \ + } while (0) +#endif + +#ifndef OBSD_HAS_DECLARE_FUNCTION_SIZE +/* Declare the size of a function. */ +#undef ASM_DECLARE_FUNCTION_SIZE +#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ + do { \ + if (!flag_inhibit_size_directive) \ + { \ + fprintf (FILE, "\t%s\t", SIZE_ASM_OP); \ + assemble_name (FILE, (FNAME)); \ + fputs (" , . - ", FILE); \ + assemble_name (FILE, (FNAME)); \ + putc ('\n', FILE); \ + } \ + } while (0) +#endif + +#ifndef OBSD_HAS_DECLARE_OBJECT +/* Extra assembler code needed to declare an object properly. */ +#undef ASM_DECLARE_OBJECT_NAME +#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ + do { \ + fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \ + assemble_name (FILE, NAME); \ + fputs (" , ", FILE); \ + fprintf (FILE, TYPE_OPERAND_FMT, "object"); \ + putc ('\n', FILE); \ + size_directive_output = 0; \ + if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \ + { \ + size_directive_output = 1; \ + fprintf (FILE, "\t%s\t", SIZE_ASM_OP); \ + assemble_name (FILE, NAME); \ + fprintf (FILE, " , %d\n", int_size_in_bytes (TREE_TYPE (DECL)));\ + } \ + 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. */ +#undef ASM_FINISH_DECLARE_OBJECT +#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ +do { \ + char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ + if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \ + && ! AT_END && TOP_LEVEL \ + && DECL_INITIAL (DECL) == error_mark_node \ + && !size_directive_output) \ + { \ + size_directive_output = 1; \ + fprintf (FILE, "\t%s\t", SIZE_ASM_OP); \ + assemble_name (FILE, name); \ + fprintf (FILE, " , %d\n", int_size_in_bytes (TREE_TYPE (DECL)));\ + } \ + } while (0) +#endif + + +/* Those are `generic' ways to weaken/globalize a label. We shouldn't need + to override a processor specific definition. Hence, #ifndef ASM_* + In case overriding turns out to be needed, one can always #undef ASM_* + before including this file. */ + +/* 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. */ +#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. */ +#ifndef ASM_GLOBALIZE_LABEL +#define ASM_GLOBALIZE_LABEL(FILE,NAME) \ + do { fputs ("\t.globl\t", FILE); assemble_name (FILE, NAME); \ + fputc ('\n', FILE); } while(0) +#endif + + +/* 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. */ +/* #define DEFAULT_VTABLE_THUNKS 1 */ + + +/* Otherwise, since we support weak, gthr.h erroneously tries to use + #pragma weak. */ +#define GTHREAD_USE_WEAK 0 + diff --git a/gcc/config/sparc/openbsd.h b/gcc/config/sparc/openbsd.h new file mode 100644 index 000000000000..19ece975e99e --- /dev/null +++ b/gcc/config/sparc/openbsd.h @@ -0,0 +1,68 @@ +/* Configuration file for sparc OpenBSD target. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ + +#include + +/* Get generic OpenBSD definitions. */ +#define OBSD_OLD_GAS +#include + +/* Run-time target specifications. */ +#define CPP_PREDEFINES "-D__unix__ -D__sparc__ -D__OpenBSD__ -Asystem(unix) -Asystem(OpenBSD) -Acpu(sparc) -Amachine(sparc)" + +/* 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 + +/* Specific options for DBX Output. */ + +/* This is BSD, so it wants DBX format. */ +#define DBX_DEBUGGING_INFO + +/* This is the char to use for continuation */ +#define DBX_CONTIN_CHAR '?' + +/* 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. */ +#undef DEFAULT_PCC_STRUCT_RETURN +#define DEFAULT_PCC_STRUCT_RETURN 0 + +/* Assembler format: exception region output. */ + +/* All configurations that don't use elf must be explicit about not using + dwarf unwind information. egcs doesn't try too hard to check internal + configuration files... */ +#define DWARF2_UNWIND_INFO 0 + +/* Default sparc.h does already define ASM_OUTPUT_MI_THUNK */ + diff --git a/gcc/config/sparc/xm-openbsd.h b/gcc/config/sparc/xm-openbsd.h new file mode 100644 index 000000000000..2df7fb3e3639 --- /dev/null +++ b/gcc/config/sparc/xm-openbsd.h @@ -0,0 +1,23 @@ +/* Configuration file for an host running sparc OpenBSD. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ + +#include +#include + diff --git a/gcc/config/t-openbsd b/gcc/config/t-openbsd new file mode 100644 index 000000000000..14bebc13e6ba --- /dev/null +++ b/gcc/config/t-openbsd @@ -0,0 +1,7 @@ +# Don't run fixproto +STMP_FIXPROTO = + +# We don't need GCC's own include files but we do need lang specific ones. +USER_H = ${LANG_EXTRA_HEADERS} +INSTALL_ASSERT_H = + diff --git a/gcc/config/t-openbsd-thread b/gcc/config/t-openbsd-thread new file mode 100644 index 000000000000..4b25f25a4e57 --- /dev/null +++ b/gcc/config/t-openbsd-thread @@ -0,0 +1,5 @@ +# This is currently needed to compile libgcc2 for threads support +TARGET_LIBGCC2_CFLAGS=-pthread +#T_CFLAGS=-pthread +#T_CPPFLAGS=-pthread + diff --git a/gcc/config/xm-openbsd.h b/gcc/config/xm-openbsd.h new file mode 100644 index 000000000000..74a842184c37 --- /dev/null +++ b/gcc/config/xm-openbsd.h @@ -0,0 +1,35 @@ +/* Configuration fragment for hosts running a version of OpenBSD. + Copyright (C) 1999 Free Software Foundation, Inc. + +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. */ +/* This file gets included by all architectures. It holds stuff + that ought to be defined when hosting a compiler on an OpenBSD + machine, independently of the architecture. It's included by + ${cpu_type}/xm-openbsd.h, not included directly. */ + +/* OpenBSD is trying to be POSIX-compliant, to the point of fixing + problems that may occur with gcc's interpretation. */ +#undef POSIX +#define POSIX + +/* Ensure we get gnu C's defaults. */ +#ifdef __GNUC__ +#define alloca __builtin_alloca +#endif + + diff --git a/libstdc++/config/openbsd.ml b/libstdc++/config/openbsd.ml new file mode 100644 index 000000000000..0d278f6b0b08 --- /dev/null +++ b/libstdc++/config/openbsd.ml @@ -0,0 +1,7 @@ +# Base shared lib for OpenBSD i386 + +LIBS = $(ARLIB) $(SHLIB) $(SHLINK) mshlink +SHFLAGS = -nostdlib -Wl,-Bshareable,-Bforcearchive +SHDEPS = -lm +DEPLIBS = ../$(SHLIB) + diff --git a/libstdc++/config/openbsd.mt b/libstdc++/config/openbsd.mt new file mode 100644 index 000000000000..29da11cf454e --- /dev/null +++ b/libstdc++/config/openbsd.mt @@ -0,0 +1,3 @@ +# tell we want the mt-safe version +MT_CFLAGS = -D_IO_MTSAFE_IO -D_PTHREADS +