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Add FreeBSD/MIPS support to GCC.

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This commit is contained in:
David E. O'Brien 2008-09-01 18:46:03 +00:00
parent 5555bfc259
commit 4bdc01a9f9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=182627
9 changed files with 275 additions and 5 deletions
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5
contrib/gcc/config/freebsd-spec.h
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@ -185,3 +185,8 @@ is built with the --enable-threads configure-time option.} \
#ifdef HAVE_LD_AS_NEEDED
#define USE_LD_AS_NEEDED 1
#endif
#define FBSD_SIZE_TYPE \
(POINTER_SIZE == 64 ? "long unsigned int" : "unsigned int")
#define FBSD_PTRDIFF_TYPE \
(POINTER_SIZE == 64 ? "long int" : "int")

13
contrib/gcc/config/freebsd.h
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@ -63,15 +63,26 @@ Boston, MA 02110-1301, USA. */
/* All FreeBSD Architectures support the ELF object file format. */
#undef OBJECT_FORMAT_ELF
#define OBJECT_FORMAT_ELF 1
#define TARGET_ELF 1
/* Don't assume anything about the header files. */
#undef NO_IMPLICIT_EXTERN_C
#define NO_IMPLICIT_EXTERN_C 1
/* Make gcc agree with FreeBSD's standard headers (<machine/ansi.h>, etc...) */
#undef SIZE_TYPE
#define SIZE_TYPE FBSD_SIZE_TYPE
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE FBSD_PTRDIFF_TYPE
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
#undef WINT_TYPE
#define WINT_TYPE "int"
#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE 32
#ifdef FREEBSD_NATIVE
#define LIBSTDCXX_PROFILE "-lstdc++_p"
@ -91,6 +102,6 @@ Boston, MA 02110-1301, USA. */
#undef NO_DOLLAR_IN_LABEL
/* Define this so we can compile MS code for use with WINE. */
#define HANDLE_PRAGMA_PACK_PUSH_POP
#define HANDLE_PRAGMA_PACK_PUSH_POP 1
#define TARGET_POSIX_IO

241
contrib/gcc/config/mips/freebsd.h Normal file
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@ -0,0 +1,241 @@
/* Definitions for MIPS varients running FreeBSD with ELF format
Copyright (C) 2008 Free Software Foundation, Inc.
Continued by David O'Brien <obrien@freebsd.org>
This file is part of GCC.
GCC 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.
GCC 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 GCC; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* $FreeBSD$ */
/* This defines which switch letters take arguments. -G is a MIPS
special. */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) \
(FBSD_SWITCH_TAKES_ARG (CHAR) \
|| (CHAR) == 'R' \
|| (CHAR) == 'G')
#undef SUBTARGET_EXTRA_SPECS /* mips.h bogusly defines it. */
#define SUBTARGET_EXTRA_SPECS \
{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER}, \
{ "fbsd_link_spec", FBSD_LINK_SPEC }
/* config/mips/mips.h defines CC1_SPEC,
but gives us an "out" with SUBTARGET_CC1_SPEC. */
#undef SUBTARGET_CC1_SPEC
#define SUBTARGET_CC1_SPEC "%{profile:-p}"
/* Provide a LINK_SPEC appropriate for FreeBSD. Here we provide support
for the special GCC options -static and -shared, which allow us to
link things in one of these three modes by applying the appropriate
combinations of options at link-time. We like to support here for
as many of the other GNU linker options as possible. But I don't
have the time to search for those flags. I am sure how to add
support for -soname shared_object_name. H.J.
When the -shared link option is used a final link is not being
done. */
#define FBSD_LINK_SPEC "\
%{p:%nconsider using `-pg' instead of `-p' with gprof(1) } \
%{v:-V} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
%{!shared: \
%{!static: \
%{rdynamic: -export-dynamic} \
%{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
%{static:-Bstatic}} \
%{symbolic:-Bsymbolic} "
#undef LINK_SPEC
#define LINK_SPEC "\
%{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips32r2} %{mips64} \
%{bestGnum} %{call_shared} %{no_archive} %{exact_version} \
%(fbsd_link_spec) "
#if 0
%(endian_spec)
#endif
/* Reset our STARTFILE_SPEC which was properly set in config/freebsd.h
but trashed by config/mips/elf.h. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC FBSD_STARTFILE_SPEC
/* Provide an ENDFILE_SPEC appropriate for FreeBSD/i386. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC FBSD_ENDFILE_SPEC
/* Reset our LIB_SPEC which was properly set in config/freebsd.h
but trashed by config/mips/elf.h. */
#undef LIB_SPEC
#define LIB_SPEC FBSD_LIB_SPEC
/* config/mips/mips.h defines CPP_SPEC, and it expects SUBTARGET_CPP_SPEC. */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC FBSD_CPP_SPEC
/************************[ Target stuff ]***********************************/
/* Define the actual types of some ANSI-mandated types.
Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
c-common.c, and config/<arch>/<arch>.h. */
#if TARGET_ENDIAN_DEFAULT != 0
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/mips)");
#else
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/mipsel)");
#endif
/* The generic MIPS TARGET_CPU_CPP_BUILTINS are incorrect for FreeBSD.
Specifically, they define too many namespace-invasive macros. Override
them here. Note this is structured for easy comparison to the version
in mips.h. */
#undef TARGET_CPU_CPP_BUILTINS
#define TARGET_CPU_CPP_BUILTINS() \
do \
{ \
builtin_assert ("machine=mips"); \
builtin_assert ("cpu=mips"); \
builtin_define ("__mips__"); \
\
if (TARGET_64BIT) \
builtin_define ("__mips64__"); \
\
if (TARGET_FLOAT64) \
builtin_define ("__mips_fpr=64"); \
else \
builtin_define ("__mips_fpr=32"); \
\
if (TARGET_MIPS16) \
builtin_define ("__mips16"); \
\
MIPS_CPP_SET_PROCESSOR ("_MIPS_ARCH", mips_arch_info); \
MIPS_CPP_SET_PROCESSOR ("_MIPS_TUNE", mips_tune_info); \
\
if (ISA_MIPS3) \
builtin_define ("__mips=3"); \
else if (ISA_MIPS4) \
builtin_define ("__mips=4"); \
else if (ISA_MIPS32) \
{ \
builtin_define ("__mips=32"); \
builtin_define ("__mips_isa_rev=1"); \
} \
else if (ISA_MIPS32R2) \
{ \
builtin_define ("__mips=32"); \
builtin_define ("__mips_isa_rev=2"); \
} \
else if (ISA_MIPS64) \
{ \
builtin_define ("__mips=64"); \
builtin_define ("__mips_isa_rev=1"); \
} \
\
if (TARGET_HARD_FLOAT) \
builtin_define ("__mips_hard_float"); \
else if (TARGET_SOFT_FLOAT) \
builtin_define ("__mips_soft_float"); \
\
if (TARGET_SINGLE_FLOAT) \
builtin_define ("__mips_single_float"); \
\
if (TARGET_BIG_ENDIAN) \
builtin_define ("__MIPSEB__"); \
else \
builtin_define ("__MIPSEL__"); \
\
/* No language dialect defines. */ \
\
if (mips_abi == ABI_EABI) \
builtin_define ("__mips_eabi"); \
else if (mips_abi == ABI_N32) \
builtin_define ("__mips_n32"); \
else if (mips_abi == ABI_64) \
builtin_define ("__mips_n64"); \
else if (mips_abi == ABI_O64) \
builtin_define ("__mips_o64"); \
else \
builtin_define ("__mips_o32"); \
\
if (TARGET_ABICALLS) \
builtin_define ("__ABICALLS__"); \
} \
while (0)
/* Default to the mips32 ISA */
#undef DRIVER_SELF_SPECS
#define DRIVER_SELF_SPECS \
"%{!EB:%{!EL:%(endian_spec)}}", \
"%{!march=*: -march=mips32}"
#if 0
/* Don't default to pcc-struct-return, we want to retain compatibility with
older gcc versions AND pcc-struct-return is nonreentrant.
(even though the SVR4 ABI for the i386 says that records and unions are
returned in memory). */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
#endif
/************************[ Assembler stuff ]********************************/
#undef SUBTARGET_ASM_SPEC
#define SUBTARGET_ASM_SPEC \
"%{!mno-abicalls: %{!fno-PIC:%{!fno-pic:-KPIC}}}"
/* -G is incompatible with -KPIC which is the default, so only allow objects
in the small data section if the user explicitly asks for it. */
#undef MIPS_DEFAULT_GVALUE
#define MIPS_DEFAULT_GVALUE 0
/* If defined, a C expression whose value is a string containing the
assembler operation to identify the following data as
uninitialized global data. If not defined, and neither
`ASM_OUTPUT_BSS' nor `ASM_OUTPUT_ALIGNED_BSS' are defined,
uninitialized global data will be output in the data section if
`-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
used. */
#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss"
/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
separate, explicit argument. If you define this macro, it is used
in place of `ASM_OUTPUT_BSS', and gives you more flexibility in
handling the required alignment of the variable. The alignment is
specified as the number of bits.
Try to use function `asm_output_aligned_bss' defined in file
`varasm.c' when defining this macro. */
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
/* Standard AT&T UNIX 'as' local label spelling. */
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
/************************[ Debugger stuff ]*********************************/

2
gnu/lib/libgcc/Makefile
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@ -174,7 +174,7 @@ OBJ_GRPS = STD DIV
# Floating point emulation functions
#
.if ${TARGET_ARCH} == "armNOT_YET" || ${TARGET_ARCH} == "powerpc" || \
${TARGET_ARCH} == "sparc64"
${TARGET_ARCH} == "sparc64" || ${TARGET_ARCH} == "mips"
FPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES -DFLOAT
DPBIT_CFLAGS = -DFINE_GRAINED_LIBRARIES

2
gnu/lib/libgomp/Makefile
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@ -24,7 +24,7 @@ VERSION_MAP= ${SRCDIR}/libgomp.map
# Target-specific OpenMP configuration
.if ${MACHINE_ARCH} == arm || ${MACHINE_ARCH} == i386 || \
${MACHINE_ARCH} == powerpc
${MACHINE_ARCH} == powerpc || ${MACHINE_ARCH} == mips
OMP_LOCK_ALIGN = 4
OMP_LOCK_KIND= 4
OMP_LOCK_SIZE= 4

2
gnu/lib/libgomp/config.h
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@ -59,7 +59,7 @@
#define HAVE_SYS_TYPES_H 1
/* Define to 1 if the target supports thread-local storage. */
#if !defined(__sparc64__) && !defined(__arm__)
#if !defined(__sparc64__) && !defined(__arm__) && !defined(__mips__)
#define HAVE_TLS 1
#endif

3
gnu/usr.bin/cc/Makefile.tgt
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@ -15,6 +15,9 @@ GCC_CPU= ${TARGET_ARCH}
.if ${TARGET_ARCH} == "ia64"
TARGET_CPU_DEFAULT= MASK_GNU_AS|MASK_GNU_LD
.endif
.if ${TARGET_ARCH} == "mips"
TARGET_CPU_DEFAULT= 16
.endif
.if ${TARGET_ARCH} == "sparc64"
TARGET_CPU_DEFAULT= TARGET_CPU_ultrasparc
.endif

3
gnu/usr.bin/cc/cc_tools/Makefile
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@ -33,6 +33,7 @@ TARGET_INC+= ${GCC_CPU}/unix.h
TARGET_INC+= ${GCC_CPU}/att.h
.endif
TARGET_INC+= dbxelf.h
TARGET_INC+= elfos-undef.h
TARGET_INC+= elfos.h
TARGET_INC+= freebsd-native.h
TARGET_INC+= freebsd-spec.h
@ -45,7 +46,7 @@ TARGET_INC+= ${GCC_CPU}/sysv4.h
.if ${TARGET_ARCH} == "amd64"
TARGET_INC+= ${GCC_CPU}/x86-64.h
.endif
.if ${TARGET_ARCH} == "arm"
.if ${TARGET_ARCH} == "arm" || ${TARGET_ARCH} == "mips"
TARGET_INC+= ${GCC_CPU}/elf.h
.endif
.if ${TARGET_ARCH} == "arm"

9
gnu/usr.bin/cc/cc_tools/elfos-undef.h Normal file
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@ -0,0 +1,9 @@
/* $FreeBSD$ */
/* This header exists to avoid editing contrib/gcc/config/elfos.h - which
isn't coded to be defensive as it should... */
#undef ASM_DECLARE_OBJECT_NAME
#undef ASM_OUTPUT_IDENT
#undef IDENT_ASM_OP
#undef READONLY_DATA_SECTION_ASM_OP