initial powerpc64-netbsd GCC configuration. this is only very minimally

tested and is not nearly ready for general use.

based on the 64 bit linux and 32 bit netbsd configurations.
This commit is contained in:
mrg 2006-06-22 20:05:44 +00:00
parent dbf21d98fa
commit 1e5c7c79bc
4 changed files with 613 additions and 4 deletions

View File

@ -1677,9 +1677,18 @@ powerpc*-*-freebsd*)
tmake_file="rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
extra_options="${extra_options} rs6000/sysv4.opt"
;;
powerpc-*-netbsd*)
powerpc*-*-netbsd*)
tm_file="${tm_file} dbxelf.h elfos.h netbsd.h netbsd-elf.h freebsd-spec.h rs6000/sysv4.h rs6000/netbsd.h"
tmake_file="${tmake_file} rs6000/t-netbsd"
case ${target} in
powerpc64*)
tm_file="${tm_file} rs6000/biarch64.h rs6000/default64.h rs6000/netbsd64.h"
tmake_file="${tmake_file} rs6000/t-netbsd64"
;;
*)
tmake_file="${tmake_file} rs6000/t-netbsd"
;;
esac
tm_file="${tm_file} rs6000/netbsd.h"
extra_options="${extra_options} rs6000/sysv4.opt"
;;
powerpc-*-chorusos*)
@ -2350,7 +2359,7 @@ m32c-*-elf*)
use_fixproto=yes
;;
*)
echo "*** Configuration ${target} not supported" 1>&2
echo "*** xConfiguration ${target} not supported" 1>&2
exit 1
;;
esac

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@ -0,0 +1,562 @@
/* Definitions of target machine for GNU compiler,
for 64 bit PowerPC NetBSD.
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
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. */
#ifndef RS6000_BI_ARCH
#undef DEFAULT_ABI
#define DEFAULT_ABI ABI_AIX
#undef TARGET_64BIT
#define TARGET_64BIT 1
#define DEFAULT_ARCH64_P 1
#define RS6000_BI_ARCH_P 0
#else
#define DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT)
#define RS6000_BI_ARCH_P 1
#endif
#ifdef IN_LIBGCC2
#undef TARGET_64BIT
#ifdef __powerpc64__
#define TARGET_64BIT 1
#else
#define TARGET_64BIT 0
#endif
#endif
#undef TARGET_AIX
#define TARGET_AIX TARGET_64BIT
#ifdef HAVE_LD_NO_DOT_SYMS
/* New ABI uses a local sym for the function entry point. */
extern int dot_symbols;
#undef DOT_SYMBOLS
#define DOT_SYMBOLS dot_symbols
#endif
#undef PROCESSOR_DEFAULT
#define PROCESSOR_DEFAULT PROCESSOR_POWER4
#undef PROCESSOR_DEFAULT64
#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
/* We don't need to generate entries in .fixup, except when
-mrelocatable or -mrelocatable-lib is given. */
#undef RELOCATABLE_NEEDS_FIXUP
#define RELOCATABLE_NEEDS_FIXUP \
(target_flags & target_flags_explicit & MASK_RELOCATABLE)
#undef RS6000_ABI_NAME
#define RS6000_ABI_NAME "netbsd"
#define INVALID_64BIT "-m%s not supported in this configuration"
#define INVALID_32BIT INVALID_64BIT
#undef SUBSUBTARGET_OVERRIDE_OPTIONS
#define SUBSUBTARGET_OVERRIDE_OPTIONS \
do \
{ \
if (!rs6000_explicit_options.alignment) \
rs6000_alignment_flags = MASK_ALIGN_NATURAL; \
if (TARGET_64BIT) \
{ \
if (DEFAULT_ABI != ABI_AIX) \
{ \
rs6000_current_abi = ABI_AIX; \
error (INVALID_64BIT, "call"); \
} \
dot_symbols = !strcmp (rs6000_abi_name, "aixdesc"); \
if (target_flags & MASK_RELOCATABLE) \
{ \
target_flags &= ~MASK_RELOCATABLE; \
error (INVALID_64BIT, "relocatable"); \
} \
if (target_flags & MASK_EABI) \
{ \
target_flags &= ~MASK_EABI; \
error (INVALID_64BIT, "eabi"); \
} \
if (target_flags & MASK_PROTOTYPE) \
{ \
target_flags &= ~MASK_PROTOTYPE; \
error (INVALID_64BIT, "prototype"); \
} \
if ((target_flags & MASK_POWERPC64) == 0) \
{ \
target_flags |= MASK_POWERPC64; \
error ("-m64 requires a PowerPC64 cpu"); \
} \
} \
else \
{ \
if (!RS6000_BI_ARCH_P) \
error (INVALID_32BIT, "32"); \
} \
} \
while (0)
#ifdef RS6000_BI_ARCH
#undef OVERRIDE_OPTIONS
#define OVERRIDE_OPTIONS \
rs6000_override_options (((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \
? (char *) 0 : TARGET_CPU_DEFAULT)
#endif
#undef ASM_DEFAULT_SPEC
#undef ASM_SPEC
#undef LINK_OS_NETBSD_SPEC
#ifndef RS6000_BI_ARCH
#define ASM_DEFAULT_SPEC "-mppc64"
#define ASM_SPEC "%(asm_spec64) %(asm_spec_common)"
#define LINK_OS_NETBSD_SPEC "%(link_os_netbsd_spec64)"
#else
#if DEFAULT_ARCH64_P
#define ASM_DEFAULT_SPEC "-mppc%{!m32:64}"
#define ASM_SPEC "%{m32:%(asm_spec32)}%{!m32:%(asm_spec64)} %(asm_spec_common)"
#define LINK_OS_NETBSD_SPEC "%{m32:%(link_os_netbsd_spec32)}%{!m32:%(link_os_netbsd_spec64)}"
#else
#define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
#define ASM_SPEC "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)"
#define LINK_OS_NETBSD_SPEC "%{!m64:%(link_os_netbsd_spec32)}%{m64:%(link_os_netbsd_spec64)}"
#endif
#endif
#define ASM_SPEC32 "-a32 %{n} %{T} %{Ym,*} %{Yd,*} \
%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \
%{memb} %{!memb: %{msdata: -memb} %{msdata=eabi: -memb}} \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-freebsd: -mbig} \
%{mcall-i960-old: -mlittle} \
%{mcall-netbsd: -mbig} \
%{mcall-gnu: -mbig} \
%{mcall-netbsd: -mbig} \
}}}}"
#define ASM_SPEC64 "-a64"
#define ASM_SPEC_COMMON "%(asm_cpu) \
%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
%{v:-V} %{Qy:} %{!Qn:-Qy} %{Wa,*:%*} \
%{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian}"
#undef SUBSUBTARGET_EXTRA_SPECS
#define SUBSUBTARGET_EXTRA_SPECS \
{ "asm_spec_common", ASM_SPEC_COMMON }, \
{ "asm_spec32", ASM_SPEC32 }, \
{ "asm_spec64", ASM_SPEC64 }, \
{ "link_os_netbsd_spec32", LINK_OS_NETBSD_SPEC32 }, \
{ "link_os_netbsd_spec64", LINK_OS_NETBSD_SPEC64 },
#undef MULTILIB_DEFAULTS
#if DEFAULT_ARCH64_P
#define MULTILIB_DEFAULTS { "m64" }
#else
#define MULTILIB_DEFAULTS { "m32" }
#endif
#ifndef RS6000_BI_ARCH
/* 64-bit PowerPC NetBSD is always big-endian. XXXMRG? */
#undef TARGET_LITTLE_ENDIAN
#define TARGET_LITTLE_ENDIAN 0
/* 64-bit PowerPC NetBSD always has a TOC. */
#undef TARGET_TOC
#define TARGET_TOC 1
/* Some things from sysv4.h we don't do when 64 bit. */
#undef TARGET_RELOCATABLE
#define TARGET_RELOCATABLE 0
#undef TARGET_EABI
#define TARGET_EABI 0
#undef TARGET_PROTOTYPE
#define TARGET_PROTOTYPE 0
#undef RELOCATABLE_NEEDS_FIXUP
#define RELOCATABLE_NEEDS_FIXUP 0
#endif
#if 0 /* XXXMRG? */
/* We use glibc _mcount for profiling. */
#define NO_PROFILE_COUNTERS 1
#define PROFILE_HOOK(LABEL) \
do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0)
#endif
/* PowerPC64 NetBSD word-aligns FP doubles when -malign-power is given. */
#undef ADJUST_FIELD_ALIGN
#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
? 128 \
: (TARGET_64BIT \
&& TARGET_ALIGN_NATURAL == 0 \
&& TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \
? get_inner_array_type (FIELD) \
: TREE_TYPE (FIELD)) == DFmode) \
? MIN ((COMPUTED), 32) \
: (COMPUTED))
/* PowerPC64 NetBSD increases natural record alignment to doubleword if
the first field is an FP double, only if in power alignment mode. */
#undef ROUND_TYPE_ALIGN
#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \
((TARGET_64BIT \
&& (TREE_CODE (STRUCT) == RECORD_TYPE \
|| TREE_CODE (STRUCT) == UNION_TYPE \
|| TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \
&& TARGET_ALIGN_NATURAL == 0) \
? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED) \
: MAX ((COMPUTED), (SPECIFIED)))
/* Use the default for compiling target libs. */
#ifdef IN_TARGET_LIBS
#undef TARGET_ALIGN_NATURAL
#define TARGET_ALIGN_NATURAL 1
#endif
/* Indicate that jump tables go in the text section. */
#undef JUMP_TABLES_IN_TEXT_SECTION
#define JUMP_TABLES_IN_TEXT_SECTION TARGET_64BIT
/* The linux ppc64 ABI isn't explicit on whether aggregates smaller
than a doubleword should be padded upward or downward. You could
reasonably assume that they follow the normal rules for structure
layout treating the parameter area as any other block of memory,
then map the reg param area to registers. i.e. pad upward.
Setting both of the following defines results in this behavior.
Setting just the first one will result in aggregates that fit in a
doubleword being padded downward, and others being padded upward.
Not a bad idea as this results in struct { int x; } being passed
the same way as an int. */
#define AGGREGATE_PADDING_FIXED TARGET_64BIT
#define AGGREGATES_PAD_UPWARD_ALWAYS 0
/* Specify padding for the last element of a block move between
registers and memory. FIRST is nonzero if this is the only
element. */
#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \
(!(FIRST) ? upward : FUNCTION_ARG_PADDING (MODE, TYPE))
/* __throw will restore its own return address to be the same as the
return address of the function that the throw is being made to.
This is unfortunate, because we want to check the original
return address to see if we need to restore the TOC.
So we have to squirrel it away with this. */
#define SETUP_FRAME_ADDRESSES() \
do { if (TARGET_64BIT) rs6000_aix_emit_builtin_unwind_init (); } while (0)
/* Override svr4.h */
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
/* NetBSD doesn't support saving and restoring 64-bit regs in a 32-bit
process. XXXMRG? */
#define OS_MISSING_POWERPC64 !TARGET_64BIT
/* glibc has float and long double forms of math functions. */
/* XXXMRG? this true for netbsd? */
#undef TARGET_C99_FUNCTIONS
#define TARGET_C99_FUNCTIONS 1
/* XXXMRG do we want __PPC__ and __PPC64__??? */
#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
NETBSD_OS_CPP_BUILTINS_ELF(); \
builtin_define ("__powerpc__"); \
if (TARGET_64BIT) \
{ \
builtin_define ("__PPC__"); \
builtin_define ("__PPC64__"); \
builtin_define ("__powerpc64__"); \
builtin_define ("__PIC__"); \
builtin_assert ("cpu=powerpc64"); \
builtin_assert ("machine=powerpc64"); \
} \
else \
{ \
builtin_assert ("cpu=powerpc"); \
builtin_assert ("machine=powerpc"); \
} \
} \
while (0)
#undef CPP_OS_DEFAULT_SPEC
#define CPP_OS_DEFAULT_SPEC "%(cpp_os_netbsd)"
#undef LINK_SHLIB_SPEC
#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
#undef LIB_DEFAULT_SPEC
#define LIB_DEFAULT_SPEC "%(lib_netbsd)"
#undef STARTFILE_DEFAULT_SPEC
#define STARTFILE_DEFAULT_SPEC "%(startfile_netbsd)"
#undef ENDFILE_DEFAULT_SPEC
#define ENDFILE_DEFAULT_SPEC "%(endfile_netbsd)"
#undef LINK_START_DEFAULT_SPEC
#define LINK_START_DEFAULT_SPEC "%(link_start_netbsd)"
#undef LINK_OS_DEFAULT_SPEC
#define LINK_OS_DEFAULT_SPEC "%(link_os_netbsd)"
#define LINK_OS_NETBSD_SPEC32 "-m elf32ppc %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
#define LINK_OS_NETBSD_SPEC64 "-m elf64ppc %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
%{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}"
#undef TOC_SECTION_ASM_OP
#define TOC_SECTION_ASM_OP \
(TARGET_64BIT \
? "\t.section\t\".toc\",\"aw\"" \
: "\t.section\t\".got\",\"aw\"")
#undef MINIMAL_TOC_SECTION_ASM_OP
#define MINIMAL_TOC_SECTION_ASM_OP \
(TARGET_64BIT \
? "\t.section\t\".toc1\",\"aw\"" \
: ((TARGET_RELOCATABLE || flag_pic) \
? "\t.section\t\".got2\",\"aw\"" \
: "\t.section\t\".got1\",\"aw\""))
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (PowerPC64 NetBSD)");
/* Make GCC agree with <machine/ansi.h>. */
#undef SIZE_TYPE
#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
#undef WCHAR_TYPE
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Override rs6000.h definition. */
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
/* Override rs6000.h definition. */
#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
#if 1 /* XXXMRG */
/* PowerPC no-op instruction. */
#undef RS6000_CALL_GLUE
#define RS6000_CALL_GLUE (TARGET_64BIT ? "nop" : "cror 31,31,31")
#endif
#if 1 /* XXXMRG */
#undef RS6000_MCOUNT
#define RS6000_MCOUNT "_mcount"
#endif
#ifdef __powerpc64__
/* _init and _fini functions are built from bits spread across many
object files, each potentially with a different TOC pointer. For
that reason, place a nop after the call so that the linker can
restore the TOC pointer if a TOC adjusting call stub is needed. */
#if DOT_SYMBOLS
#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
asm (SECTION_OP "\n" \
" bl ." #FUNC "\n" \
" nop\n" \
" .previous");
#else
#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
asm (SECTION_OP "\n" \
" bl " #FUNC "\n" \
" nop\n" \
" .previous");
#endif
#endif
/* FP save and restore routines. */
#undef SAVE_FP_PREFIX
#define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_")
#undef SAVE_FP_SUFFIX
#define SAVE_FP_SUFFIX (TARGET_64BIT ? "" : "_l")
#undef RESTORE_FP_PREFIX
#define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_")
#undef RESTORE_FP_SUFFIX
#define RESTORE_FP_SUFFIX (TARGET_64BIT ? "" : "_l")
/* Dwarf2 debugging. */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
/* This is how to 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) \
{ \
fputs ("\t.size\t", (FILE)); \
if (TARGET_64BIT && DOT_SYMBOLS) \
putc ('.', (FILE)); \
assemble_name ((FILE), (FNAME)); \
fputs (",.-", (FILE)); \
rs6000_output_function_entry (FILE, FNAME); \
putc ('\n', (FILE)); \
} \
} \
while (0)
/* Return nonzero if this entry is to be written into the constant
pool in a special way. We do so if this is a SYMBOL_REF, LABEL_REF
or a CONST containing one of them. If -mfp-in-toc (the default),
we also do this for floating-point constants. We actually can only
do this if the FP formats of the target and host machines are the
same, but we can't check that since not every file that uses
GO_IF_LEGITIMATE_ADDRESS_P includes real.h. We also do this when
we can write the entry into the TOC and the entry is not larger
than a TOC entry. */
#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
(TARGET_TOC \
&& (GET_CODE (X) == SYMBOL_REF \
|| (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
&& GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
|| GET_CODE (X) == LABEL_REF \
|| (GET_CODE (X) == CONST_INT \
&& GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
|| (GET_CODE (X) == CONST_DOUBLE \
&& ((TARGET_64BIT \
&& (TARGET_POWERPC64 \
|| TARGET_MINIMAL_TOC \
|| (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
&& ! TARGET_NO_FP_IN_TOC))) \
|| (!TARGET_64BIT \
&& !TARGET_NO_FP_IN_TOC \
&& !TARGET_RELOCATABLE \
&& GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
&& BITS_PER_WORD == HOST_BITS_PER_INT)))))
/* This ABI cannot use DBX_LINES_FUNCTION_RELATIVE, nor can it use
dbxout_stab_value_internal_label_diff, because we must
use the function code label, not the function descriptor label. */
#define DBX_OUTPUT_SOURCE_LINE(FILE, LINE, COUNTER) \
do \
{ \
char temp[256]; \
const char *s; \
ASM_GENERATE_INTERNAL_LABEL (temp, "LM", COUNTER); \
dbxout_begin_stabn_sline (LINE); \
assemble_name (FILE, temp); \
putc ('-', FILE); \
s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \
rs6000_output_function_entry (FILE, s); \
putc ('\n', FILE); \
targetm.asm_out.internal_label (FILE, "LM", COUNTER); \
COUNTER += 1; \
} \
while (0)
/* Similarly, we want the function code label here. Cannot use
dbxout_stab_value_label_diff, as we have to use
rs6000_output_function_entry. FIXME. */
#define DBX_OUTPUT_BRAC(FILE, NAME, BRAC) \
do \
{ \
const char *s; \
dbxout_begin_stabn (BRAC); \
s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \
/* dbxout_block passes this macro the function name as NAME, \
assuming that it is the function code start label. In our \
case, the function name is the OPD entry. dbxout_block is \
broken, hack around it here. */ \
if (NAME == s) \
putc ('0', FILE); \
else \
{ \
assemble_name (FILE, NAME); \
putc ('-', FILE); \
rs6000_output_function_entry (FILE, s); \
} \
putc ('\n', FILE); \
} \
while (0)
#define DBX_OUTPUT_LBRAC(FILE, NAME) DBX_OUTPUT_BRAC (FILE, NAME, N_LBRAC)
#define DBX_OUTPUT_RBRAC(FILE, NAME) DBX_OUTPUT_BRAC (FILE, NAME, N_RBRAC)
/* Another case where we want the dot name. */
#define DBX_OUTPUT_NFUN(FILE, LSCOPE, DECL) \
do \
{ \
const char *s; \
dbxout_begin_empty_stabs (N_FUN); \
assemble_name (FILE, LSCOPE); \
putc ('-', FILE); \
s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \
rs6000_output_function_entry (FILE, s); \
putc ('\n', FILE); \
} \
while (0)
/* Select a format to encode pointers in exception handling data. CODE
is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
true if the symbol may be affected by dynamic relocations. */
#undef ASM_PREFERRED_EH_DATA_FORMAT
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
((TARGET_64BIT || flag_pic || TARGET_RELOCATABLE) \
? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \
| (TARGET_64BIT ? DW_EH_PE_udata8 : DW_EH_PE_sdata4)) \
: DW_EH_PE_absptr)
/* For backward compatibility, we must continue to use the AIX
structure return convention. */
#undef DRAFT_V4_STRUCT_RET
#define DRAFT_V4_STRUCT_RET (!TARGET_64BIT)
#define TARGET_ASM_FILE_END rs6000_elf_end_indicate_exec_stack
#define TARGET_POSIX_IO
#define LINK_GCC_C_SEQUENCE_SPEC \
"%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
#if 0 /* XXXMRG */
/* Use --as-needed -lgcc_s for eh support. */
#ifdef HAVE_LD_AS_NEEDED
#define USE_LD_AS_NEEDED 1
#endif
#endif
#define MD_UNWIND_SUPPORT "config/rs6000/linux-unwind.h"

View File

@ -114,7 +114,12 @@ do { \
else if (!strcmp (rs6000_abi_name, "gnu")) \
rs6000_current_abi = ABI_V4; \
else if (!strcmp (rs6000_abi_name, "netbsd")) \
rs6000_current_abi = ABI_V4; \
{ \
if (TARGET_64BIT) \
rs6000_current_abi = ABI_AIX; \
else \
rs6000_current_abi = ABI_V4; \
} \
else if (!strcmp (rs6000_abi_name, "openbsd")) \
rs6000_current_abi = ABI_V4; \
else if (!strcmp (rs6000_abi_name, "i960-old")) \

View File

@ -0,0 +1,33 @@
# Support for NetBSD PowerPC64 ELF targets (SVR4 ABI).
LIB2FUNCS_EXTRA = tramp.S $(srcdir)/config/rs6000/ppc64-fp.c \
$(srcdir)/config/rs6000/darwin-ldouble.c
TARGET_LIBGCC2_CFLAGS += -mno-minimal-toc
MULTILIB_OPTIONS = m64/m32 msoft-float
MULTILIB_DIRNAMES = 64 32 soft-float
MULTILIB_EXTRA_OPTS = fPIC mstrict-align
MULTILIB_EXCEPTIONS = m64/msoft-float
MULTILIB_EXCLUSIONS = m64/!m32/msoft-float
# XXX this is wrong
MULTILIB_OSDIRNAMES = ../lib ../lib32 soft-float
MULTILIB_MATCHES = $(MULTILIB_MATCHES_FLOAT)
# We want fine grained libraries, so use the new code to build the
# floating point emulation libraries.
# fp-bit is only to be used by 32-bit multilibs
FPBIT = fp-bit32.c
DPBIT = dp-bit32.c
dp-bit32.c: $(srcdir)/config/fp-bit.c
( echo '#ifndef __powerpc64__'; \
cat $(srcdir)/config/fp-bit.c; \
echo '#endif' ) > dp-bit32.c
fp-bit32.c: $(srcdir)/config/fp-bit.c
( echo '#ifndef __powerpc64__'; \
echo '#define FLOAT'; \
cat $(srcdir)/config/fp-bit.c; \
echo '#endif' ) > fp-bit32.c