Remove obsolete OpenBSD/MIPS support
libgcc: * config.host (mips*-*-openbsd*): Remove. gcc: * config.gcc (mips*-*-openbsd*): Remove. * config/mips/openbsd.h: Remove. * config/mips/sdb.h: Remove. * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove. * config/mips/mips.c (sdb_label_count): Remove. (mips_debugger_offset): Remove #if 0 code. (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove. * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef. contrib: * config-list.mk (LIST): Remove mips-openbsd. From-SVN: r185245
This commit is contained in:
Rainer Orth
Rainer Orth
parent
344f61ae5d
commit
c4bc5c255a
11 changed files with 22 additions and 226 deletions
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@ -1,3 +1,7 @@
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2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* config-list.mk (LIST): Remove mips-openbsd.
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2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* config-list.mk (LIST): Remove alpha-dec-osf5.1.
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@ -39,7 +39,7 @@ LIST = alpha-linux-gnu alpha-freebsd6 alpha-netbsd alpha-openbsd \
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mips-sgi-irix6.5OPT-with-stabsOPT-enable-threads=posixOPT-enable-obsolete \
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mips-netbsd \
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mips64el-st-linux-gnu mips64octeon-linux mipsisa64r2-linux \
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mipsisa32r2-linux-gnu mips-openbsd mipsisa64r2-sde-elf mipsisa32-elfoabi \
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mipsisa32r2-linux-gnu mipsisa64r2-sde-elf mipsisa32-elfoabi \
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mipsisa64-elfoabi mipsisa64r2el-elf mipsisa64sr71k-elf mipsisa64sb1-elf \
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mipsel-elf mips64-elf mips64vr-elf mips64orion-elf mips-rtems \
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mips-wrs-vxworks mipstx39-elf mmix-knuth-mmixware mn10300-elf moxie-elf \
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@ -1,3 +1,15 @@
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2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* config.gcc (mips*-*-openbsd*): Remove.
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* config/mips/openbsd.h: Remove.
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* config/mips/sdb.h: Remove.
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* config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
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* config/mips/mips.c (sdb_label_count): Remove.
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(mips_debugger_offset): Remove #if 0 code.
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(mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
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* config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
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2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
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@ -254,7 +254,6 @@ case ${target} in
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| arm*-*-uclinux* \
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| arm*-wince-pe* \
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| mips-sgi-irix6.5 \
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| mips*-*-openbsd* \
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| score-* \
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| *-*-solaris2.8* \
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)
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@ -1747,17 +1746,6 @@ mips*-*-linux*) # Linux MIPS, either endian.
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esac
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test x$with_llsc != x || with_llsc=yes
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;;
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mips*-*-openbsd*)
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tm_defines="${tm_defines} OBSD_HAS_DECLARE_FUNCTION_NAME OBSD_HAS_DECLARE_OBJECT OBSD_HAS_CORRECT_SPECS"
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target_cpu_default="MASK_ABICALLS"
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tm_file="mips/mips.h openbsd.h openbsd-stdint.h openbsd-libpthread.h mips/openbsd.h mips/sdb.h"
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extra_options="${extra_options} openbsd.opt"
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case ${target} in
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mips*el-*-openbsd*)
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tm_defines="${tm_defines} TARGET_ENDIAN_DEFAULT=0";;
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*) tm_defines="${tm_defines} TARGET_ENDIAN_DEFAULT=MASK_BIG_ENDIAN";;
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esac
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;;
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mips*-sde-elf*)
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tm_file="elfos.h newlib-stdint.h ${tm_file} mips/elf.h mips/sde.h"
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tmake_file="mips/t-sde"
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@ -494,9 +494,6 @@ int num_source_filenames;
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written anything yet. */
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const char *current_function_file = "";
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/* A label counter used by PUT_SDB_BLOCK_START and PUT_SDB_BLOCK_END. */
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int sdb_label_count;
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/* Arrays that map GCC register numbers to debugger register numbers. */
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int mips_dbx_regno[FIRST_PSEUDO_REGISTER];
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int mips_dwarf_regno[FIRST_PSEUDO_REGISTER];
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@ -8114,13 +8111,6 @@ mips_debugger_offset (rtx addr, HOST_WIDE_INT offset)
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offset += cfun->machine->frame.hard_frame_pointer_offset;
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}
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/* sdbout_parms does not want this to crash for unrecognized cases. */
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#if 0
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else if (reg != arg_pointer_rtx)
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fatal_insn ("mips_debugger_offset called with non stack/frame/arg pointer",
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addr);
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#endif
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return offset;
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}
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@ -10129,11 +10119,6 @@ mips_output_function_prologue (FILE *file, HOST_WIDE_INT size ATTRIBUTE_UNUSED)
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{
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const char *fnname;
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#ifdef SDB_DEBUGGING_INFO
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if (debug_info_level != DINFO_LEVEL_TERSE && write_symbols == SDB_DEBUG)
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SDB_OUTPUT_SOURCE_LINE (file, DECL_SOURCE_LINE (current_function_decl));
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#endif
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/* In MIPS16 mode, we may need to generate a non-MIPS16 stub to handle
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floating-point arguments. */
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if (TARGET_MIPS16
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@ -2551,10 +2551,6 @@ do \
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} \
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while (0)
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/* Use .loc directives for SDB line numbers. */
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#define SDB_OUTPUT_SOURCE_LINE(STREAM, LINE) \
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fprintf (STREAM, "\t.loc\t%d %d\n", num_source_filenames, LINE)
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/* The MIPS implementation uses some labels for its own purpose. The
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following lists what labels are created, and are all formed by the
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pattern $L[a-z].*. The machine independent portion of GCC creates
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@ -1,101 +0,0 @@
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/* Configuration for a MIPS ABI32 OpenBSD target.
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Copyright (C) 1999, 2003, 2004, 2007, 2008, 2009, 2010, 2011
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Free Software Foundation, Inc.
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This file is part of GCC.
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GCC 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 3, or (at your option)
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any later version.
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GCC 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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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Definitions needed for OpenBSD, to avoid picking mips 'defaults'. */
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/* GAS must know this. */
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#undef SUBTARGET_ASM_SPEC
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#define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC}"
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/* CPP specific OpenBSD specs. */
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
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/* Needed for ELF (inspired by netbsd-elf). */
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#undef LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX "."
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/* The profiling lib spec here is not really correct but we leave
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it as it is until we have some kind of profiling working. */
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#define LIB_SPEC OBSD_LIB_SPEC
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/* mips assembler uses .set for arcane purposes. __attribute__((alias))
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and friends won't work until we get recent binutils with .weakext
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support. */
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#undef SET_ASM_OP
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#define TARGET_OS_CPP_BUILTINS() \
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do { \
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builtin_define ("__unix__"); \
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builtin_define ("__SYSTYPE_BSD__"); \
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builtin_define ("__NO_LEADING_UNDERSCORES__"); \
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builtin_define ("__GP_SUPPORT__"); \
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builtin_define ("__OpenBSD__"); \
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builtin_assert ("system=unix"); \
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builtin_assert ("system=OpenBSD"); \
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} while (0)
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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 "long unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long 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 32
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#undef WINT_TYPE
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#define WINT_TYPE "int"
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/* Controlling the compilation driver. */
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/* LINK_SPEC appropriate for OpenBSD: support for GCC options
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-static, -assert, and -nostdlib. Dynamic loader control. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
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%{shared} \
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%{!shared: -non_shared} \
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-dynamic-linker /usr/libexec/ld.so \
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%{!nostdlib:%{!r:%{!e*:-e __start}}} -dc -dp \
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%{static:-Bstatic} %{!static:-Bdynamic} %{assert*}"
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/* -G is incompatible with -KPIC which is the default, so only allow objects
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in the small data section if the user explicitly asks for it. */
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#undef MIPS_DEFAULT_GVALUE
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#define MIPS_DEFAULT_GVALUE 0
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/* Since gas and gld are standard on OpenBSD, we don't need these. */
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#undef ASM_FINAL_SPEC
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#undef STARTFILE_SPEC
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/* Switch into a generic section. */
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#undef TARGET_ASM_NAMED_SECTION
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#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
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/* MIPS specific debugging info */
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#define MIPS_DEBUGGING_INFO 1
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@ -1,87 +0,0 @@
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/* Generate SDB debugging info.
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Copyright (C) 2003, 2004, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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/* Note that no configuration uses sdb as its preferred format. */
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#define SDB_DEBUGGING_INFO 1
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/* Forward references to tags are allowed. */
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#define SDB_ALLOW_FORWARD_REFERENCES
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/* Unknown tags are also allowed. */
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#define SDB_ALLOW_UNKNOWN_REFERENCES
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/* Block start/end next label #. */
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extern int sdb_label_count;
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/* Starting line of current function. */
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extern int sdb_begin_function_line;
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/* For block start and end, we create labels, so that
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later we can figure out where the correct offset is.
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The normal .ent/.end serve well enough for functions,
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so those are just commented out. */
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#define PUT_SDB_BLOCK_START(LINE) \
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do { \
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fprintf (asm_out_file, \
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"%sLb%d:\n\t.begin\t%sLb%d\t%d\n", \
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LOCAL_LABEL_PREFIX, \
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sdb_label_count, \
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LOCAL_LABEL_PREFIX, \
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sdb_label_count, \
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(LINE)); \
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sdb_label_count++; \
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} while (0)
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#define PUT_SDB_BLOCK_END(LINE) \
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do { \
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fprintf (asm_out_file, \
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"%sLe%d:\n\t.bend\t%sLe%d\t%d\n", \
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LOCAL_LABEL_PREFIX, \
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sdb_label_count, \
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LOCAL_LABEL_PREFIX, \
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sdb_label_count, \
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(LINE)); \
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sdb_label_count++; \
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} while (0)
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#define PUT_SDB_FUNCTION_START(LINE)
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#define PUT_SDB_FUNCTION_END(LINE) \
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do { \
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SDB_OUTPUT_SOURCE_LINE (asm_out_file, LINE + sdb_begin_function_line); \
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} while (0)
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#define PUT_SDB_EPILOGUE_END(NAME)
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/* We need to use .esize and .etype instead of .size and .type to
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avoid conflicting with ELF directives. */
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#undef PUT_SDB_SIZE
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#define PUT_SDB_SIZE(a) \
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do { \
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fprintf (asm_out_file, "\t.esize\t" HOST_WIDE_INT_PRINT_DEC ";", \
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(HOST_WIDE_INT) (a)); \
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} while (0)
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#undef PUT_SDB_TYPE
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#define PUT_SDB_TYPE(a) \
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do { \
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fprintf (asm_out_file, "\t.etype\t0x%x;", (a)); \
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} while (0)
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@ -1,6 +1,6 @@
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/* Definitions of target machine for GNU compiler.
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MIPS SDE version.
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Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
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Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011, 2012
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Free Software Foundation, Inc.
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This file is part of GCC.
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@ -67,9 +67,6 @@ along with GCC; see the file COPYING3. If not see
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#undef DEFAULT_SIGNED_CHAR
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#define DEFAULT_SIGNED_CHAR 0
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/* SDE-MIPS won't ever support SDB debugging info. */
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#undef SDB_DEBUGGING_INFO
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/* Describe how we implement __builtin_eh_return. */
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/* At the moment, nothing appears to use more than 2 EH data registers.
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@ -1,3 +1,7 @@
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2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* config.host (mips*-*-openbsd*): Remove.
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2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* config.host: Remove alpha*-dec-osf5.1* handling.
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@ -743,8 +743,6 @@ mips*-*-linux*) # Linux MIPS, either endian.
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tmake_file="${tmake_file} t-crtfm mips/t-mips16"
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md_unwind_header=mips/linux-unwind.h
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;;
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mips*-*-openbsd*)
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;;
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mips*-sde-elf*)
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tmake_file="$tmake_file mips/t-crtstuff mips/t-mips16"
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case "${with_newlib}" in
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