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config.gcc (i386-*-netbsdelf): New description.
* config.gcc (i386-*-netbsdelf): New description.
* config/i386/netbsd-elf.h: New file.
From-SVN: r44525
This commit is contained in:
Matthew Green
Richard Henderson
parent
9d7d836262
commit
6ea0279fef
@ -1,3 +1,8 @@
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2001-07-31 matthew green <mrg@eterna.com.au>
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* config.gcc (i386-*-netbsdelf): New description.
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* config/i386/netbsd-elf.h: New file.
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2001-07-30 Geoffrey Keating <geoffk@redhat.com>
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* loop.c (check_dbra_loop): Use single_set to compute
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@ -1051,6 +1051,13 @@ i[34567]86-*-freebsd[12] | i[34567]86-*-freebsd[12].* | i[34567]86-*-freebsd*aou
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i[34567]86-*-freebsd*)
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tm_file="${tm_file} i386/att.h svr4.h ${fbsd_tm_file} i386/freebsd.h"
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;;
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i[34567]86-*-netbsdelf*)
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xm_defines=POSIX
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tm_file="${tm_file} i386/att.h svr4.h i386/netbsd-elf.h"
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tmake_file=t-netbsd
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gnu_ld=yes
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float_format=i386
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;;
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i[34567]86-*-netbsd*)
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tm_file=i386/netbsd.h
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tmake_file=t-netbsd
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181
gcc/config/i386/netbsd-elf.h
Normal file
181
gcc/config/i386/netbsd-elf.h
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@ -0,0 +1,181 @@
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/* Definitions of target machine for GNU compiler,
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for i386/ELF NetBSD systems.
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Copyright (C) 2001 Free Software Foundation, Inc.
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Contributed by matthew green <mrg@eterna.com.au>
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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, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Provide a LIB_SPEC appropriate for NetBSD. Just select the appropriate
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libc, depending on whether we're doing profiling; if `-posix' is specified,
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link against the appropriate libposix first. */
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#undef LIB_SPEC
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#define LIB_SPEC \
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"%{posix:%{!p:%{!pg:-lposix}}%{p:-lposix_p}%{pg:-lposix_p}} \
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%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
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/* Provide a STARTFILE_SPEC appropriate for NetBSD ELF targets. Here we
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provide support for the special GCC option -static. On ELF targets,
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we also add the crtbegin.o file which provides part of the support
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for getting C++ file-scope static objects constructed before entering
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`main'. We use the NetBSD crt0. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC \
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"%{!shared: \
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%{pg:gcrt0%O%s} \
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%{!pg: \
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%{p:gcrt0%O%s} \
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%{!p:crt0%O%s}}} \
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%{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}"
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/* Provide an ENDFILE_SPEC approrpiate for NetBSD ELF targets. Here we
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add crtend.o, which provides part of the support for getting C++
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file-scope static objects deconstructed after exiting `main'. */
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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}"
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/* Provide a LINK_SPEC appropriate for a NetBSD/i386 ELF target. Only
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the linker emulation is i386-specific. The rest are
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common to all ELF targets, except for the name of the start function. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"-m elf_i386 \
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%{assert*} %{R*} \
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%{shared:-shared} \
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%{!shared: \
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-dp \
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%{!nostdlib:%{!r*:%{!e*:-e __start}}} \
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%{!static: \
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-dy %{rdynamic:-export-dynamic} \
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%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
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%{static:-static}}"
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/* Provide a CPP_SPEC appropriate for NetBSD. Current we just deal with
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the GCC option `-posix'. */
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
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/* Provide an ASM_SPEC appropriate for NetBSD. Currently we only deal
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with the options for generating PIC code. */
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#undef ASM_SPEC
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#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k -K}"
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/* Provide a LIB_SPEC appropriate for NetBSD. Just select the appropriate
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libc, depending on whether we're doing profiling. */
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#undef LIB_SPEC
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#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
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/* This defines which switch letters take arguments. */
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#undef SWITCH_TAKES_ARG
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#define SWITCH_TAKES_ARG(CHAR) \
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(DEFAULT_SWITCH_TAKES_ARG(CHAR) \
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|| (CHAR) == 'R')
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/* Implicit library calls should use memcpy, not bcopy, etc. */
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#define TARGET_MEM_FUNCTIONS
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/* Names to predefine in the preprocessor for this target machine. */
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#define CPP_PREDEFINES "\
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-Di386 -D__NetBSD__ -D__ELF__ -Asystem(unix) -Asystem(NetBSD)"
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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
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#define WCHAR_TYPE "int"
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#undef WCHAR_UNSIGNED
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#define WCHAR_UNSIGNED 0
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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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/* Output assembler code to FILE to increment profiler label # LABELNO
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for profiling a function entry. Under NetBSD/i386, the assembler does
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nothing special with -pg. */
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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 ASM_FINAL_SPEC
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#define ASM_FINAL_SPEC "%{pipe:-}"
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(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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#undef HAS_INIT_SECTION
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#undef DEFAULT_VTABLE_THUNKS
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#define DEFAULT_VTABLE_THUNKS 1
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/* This is how we tell the assembler that two symbols have the same value. */
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#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
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do { assemble_name(FILE, NAME1); \
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fputs(" = ", FILE); \
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assemble_name(FILE, NAME2); \
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fputc('\n', FILE); } while (0)
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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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/*
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* We always use gas here, so we don't worry about ECOFF assembler problems.
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*/
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#undef TARGET_GAS
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#define TARGET_GAS 1
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/* Default to pcc-struct-return, because this is the ELF abi and
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we don't care about compatibility with older gcc versions. */
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#define DEFAULT_PCC_STRUCT_RETURN 1
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (NetBSD/i386 ELF target)");
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