f88c65f7e3
* configure.in (HAVE_AS_GOTOFF_IN_DATA): New x86 check.
* configure, config.in: Rebuild.
* config/i386/i386.c (ix86_output_addr_vec_elt): New.
(ix86_output_addr_diff_elt): New.
* config/i386/i386.h (ASM_OUTPUT_ADDR_VEC_ELT): Use them.
(ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
(JUMP_TABLES_IN_TEXT_SECTION): New.
* config/i386/i386.md (tablejump): Handle HAVE_AS_GOTOFF_IN_DATA.
* config/i386/i386-protos.h: Update.
* config/i386/386bsd.h, config/i386/beos-elf.h,
config/i386/freebsd-aout.h, config/i386/freebsd.h,
config/i386/i386-interix.h, config/i386/i386elf.h,
config/i386/linux.h, config/i386/netbsd-elf.h,
config/i386/netbsd.h, config/i386/openbsd.h,
config/i386/ptx4-i.h, config/i386/rtemself.h,
config/i386/sco5.h, config/i386/sysv4.h, config/i386/x86-64.h
(ASM_OUTPUT_ADDR_DIFF_ELT, JUMP_TABLES_IN_TEXT_SECTION): Remove.
From-SVN: r46303
132 lines
4.3 KiB
C
132 lines
4.3 KiB
C
/* Definitions for Intel 386 running FreeBSD with ELF format
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Copyright (C) 1996, 2000 Free Software Foundation, Inc.
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Contributed by Eric Youngdale.
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Modified for stabs-in-ELF by H.J. Lu.
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Adapted from GNU/Linux version by John Polstra.
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Continued development by David O'Brien <obrien@freebsd.org>
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This file is part of GNU CC.
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GNU CC 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 2, or (at your option)
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any later version.
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GNU CC 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (i386 FreeBSD/ELF)");
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/* Override the default comment-starter of "/". */
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START "#"
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#undef ASM_APP_ON
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#define ASM_APP_ON "#APP\n"
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#undef ASM_APP_OFF
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#define ASM_APP_OFF "#NO_APP\n"
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#undef SET_ASM_OP
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#define SET_ASM_OP "\t.set\t"
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n) \
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(TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
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#undef NO_PROFILE_COUNTERS
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#define NO_PROFILE_COUNTERS
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/* Tell final.c that we don't need a label passed to mcount. */
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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{ \
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if (flag_pic) \
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fprintf ((FILE), "\tcall *.mcount@GOT(%%ebx)\n"); \
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else \
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fprintf ((FILE), "\tcall .mcount\n"); \
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}
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/* Make gcc agree with <machine/ansi.h>. */
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#undef SIZE_TYPE
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#define SIZE_TYPE "unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE BITS_PER_WORD
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/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add
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the magical crtbegin.o file (see crtstuff.c) which provides part
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of the support for getting C++ file-scope static object constructed
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before entering `main'. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
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%{!p:%{profile:gcrt1.o%s} \
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%{!profile:crt1.o%s}}}} \
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crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
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/* Provide a ENDFILE_SPEC appropriate for FreeBSD. Here we tack on
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the magical crtend.o file (see crtstuff.c) which provides part of
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the support for getting C++ file-scope static object constructed
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before entering `main', followed by a normal "finalizer" file,
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`crtn.o'. */
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC \
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"%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s"
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/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support
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for the special GCC options -static and -shared, which allow us to
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link things in one of these three modes by applying the appropriate
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combinations of options at link-time. We like to support here for
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as many of the other GNU linker options as possible. But I don't
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have the time to search for those flags. I am sure how to add
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support for -soname shared_object_name. H.J.
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I took out %{v:%{!V:-V}}. It is too much :-(. They can use
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-Wl,-V.
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When the -shared link option is used a final link is not being
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done. */
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#undef LINK_SPEC
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#define LINK_SPEC "-m elf_i386 \
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%{Wl,*:%*} \
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%{v:-V} \
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%{assert*} %{R*} %{rpath*} %{defsym*} \
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%{shared:-Bshareable %{h*} %{soname*}} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
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%{static:-Bstatic}} \
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%{symbolic:-Bsymbolic}"
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/* A C statement to output to the stdio stream FILE an assembler
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command to advance the location counter to a multiple of 1<<LOG
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bytes if it is within MAX_SKIP bytes.
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This is used to align code labels according to Intel recommendations. */
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
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if ((LOG) != 0) { \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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}
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#endif
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