'egcs_1_1_branch'.
From-SVN: r25294
--- /dev/null
+/* 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 <alpha/alpha.h>
+
+#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 <openbsd.h>
+
+/* 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 <machine/ansi.h> */
+#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
+
+\f
+#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)
+
+
--- /dev/null
+/* A replacement for Digital Unix's <va_list.h>. */
+
+#include <va-alpha.h>
+
+#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
--- /dev/null
+/* 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 <xm-openbsd.h>
+#include <alpha/xm-alpha.h>
+
--- /dev/null
+/* 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 <i386/gstabs.h>
+
+/* Get perform_* macros to build libgcc.a. */
+#include <i386/perform.h>
+
+/* Get generic OpenBSD definitions. */
+#define OBSD_OLD_GAS
+#include <openbsd.h>
+
+/* 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 <machine/ansi.h> */
+#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<<LOG
+ bytes if it is within MAX_SKIP bytes.
+
+ This will be used to align code labels according to Intel
+ recommendations, in prevision of binutils upgrade. */
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
+ do { \
+ 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)); \
+ } while (0)
+#endif
+
+/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */
+
--- /dev/null
+/* Configuration file for i386 hosts running 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 <xm-openbsd.h>
+#include <i386/xm-i386.h>
+
--- /dev/null
+/* 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 <m68k/m68k.h>
+
+/* Get generic OpenBSD definitions. */
+#define OBSD_OLD_GAS
+#include <openbsd.h>
+
+/* 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 <machine/ansi.h> */
+#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
+
--- /dev/null
+/* 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 <xm-openbsd.h>
+#include <m68k/xm-m68k.h>
+
--- /dev/null
+/* 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
+
+\f
+/* 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
+
+\f
+/* 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
+
+\f
+/* 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
+
+\f
+/* 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
+
+\f
+/* 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 */
+
+\f
+/* Otherwise, since we support weak, gthr.h erroneously tries to use
+ #pragma weak. */
+#define GTHREAD_USE_WEAK 0
+
--- /dev/null
+/* 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 <sparc/sparc.h>
+
+/* Get generic OpenBSD definitions. */
+#define OBSD_OLD_GAS
+#include <openbsd.h>
+
+/* 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 <machine/ansi.h> */
+#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 */
+
--- /dev/null
+/* 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 <xm-openbsd.h>
+#include <sparc/xm-sparc.h>
+
--- /dev/null
+# 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 =
+
--- /dev/null
+# This is currently needed to compile libgcc2 for threads support
+TARGET_LIBGCC2_CFLAGS=-pthread
+#T_CFLAGS=-pthread
+#T_CPPFLAGS=-pthread
+
--- /dev/null
+/* 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
+
+
--- /dev/null
+# Base shared lib for OpenBSD i386
+
+LIBS = $(ARLIB) $(SHLIB) $(SHLINK) mshlink
+SHFLAGS = -nostdlib -Wl,-Bshareable,-Bforcearchive
+SHDEPS = -lm
+DEPLIBS = ../$(SHLIB)
+
--- /dev/null
+# tell we want the mt-safe version
+MT_CFLAGS = -D_IO_MTSAFE_IO -D_PTHREADS
+
projects / thirdparty / gcc.git / commitdiff
