/* Target definitions for GNU compiler for PowerPC running System V.4
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006 Free Software Foundation, Inc.
+ 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Contributed by Cygnus Support.
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
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
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. */
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+ <http://www.gnu.org/licenses/>. */
/* Header files should be C++ aware in general. */
#undef NO_IMPLICIT_EXTERN_C
#define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
#define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
+#define TARGET_PROTOTYPE target_prototype
#define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
#define TARGET_NO_TOC (! TARGET_TOC)
#define TARGET_NO_EABI (! TARGET_EABI)
+#define TARGET_REGNAMES rs6000_regnames
#ifdef HAVE_AS_REL16
#undef TARGET_SECURE_PLT
#define SDATA_DEFAULT_SIZE 8
-/* Sometimes certain combinations of command options do not make sense
- on a particular target machine. You can define a macro
- `OVERRIDE_OPTIONS' to take account of this. This macro, if
- defined, is executed once just after all the command options have
- been parsed.
-
- The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
- get control. */
+/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
+ get control in TARGET_OPTION_OVERRIDE. */
#define SUBTARGET_OVERRIDE_OPTIONS \
do { \
- if (!g_switch_set) \
+ if (!global_options_set.x_g_switch_value) \
g_switch_value = SDATA_DEFAULT_SIZE; \
\
if (rs6000_abi_name == NULL) \
else if (!strcmp (rs6000_abi_name, "i960-old")) \
{ \
rs6000_current_abi = ABI_V4; \
- target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI \
- | MASK_NO_BITFIELD_WORD); \
+ target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI); \
target_flags &= ~MASK_STRICT_ALIGN; \
+ TARGET_NO_BITFIELD_WORD = 1; \
} \
else \
{ \
error ("-msecure-plt not supported by your assembler"); \
} \
\
- if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128 \
- && rs6000_explicit_options.long_double) \
- warning (0, "-msoft-float and -mlong-double-128 not supported"); \
- \
/* Treat -fPIC the same as -mrelocatable. */ \
if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
{ \
} \
\
else if (TARGET_RELOCATABLE) \
- flag_pic = 2; \
+ if (!flag_pic) \
+ flag_pic = 2; \
} while (0)
#ifndef RS6000_BI_ARCH
#define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
#define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
-/* Define this to set the endianness to use in libgcc2.c, which can
- not depend on target_flags. */
-#if !defined(__LITTLE_ENDIAN__) && !defined(__sun__)
-#define LIBGCC2_WORDS_BIG_ENDIAN 1
-#else
-#define LIBGCC2_WORDS_BIG_ENDIAN 0
-#endif
-
/* Define cutoff for using external functions to save floating point.
- Currently on V.4, always use inline stores. */
-#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
+ When optimizing for size, use external functions when profitable. */
+#define FP_SAVE_INLINE(FIRST_REG) (optimize_size \
+ ? ((FIRST_REG) == 62 \
+ || (FIRST_REG) == 63) \
+ : (FIRST_REG) < 64)
+/* And similarly for general purpose registers. */
+#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \
+ && !optimize_size)
/* Put jump tables in read-only memory, rather than in .text. */
#define JUMP_TABLES_IN_TEXT_SECTION 0
/* Prefix and suffix to use to saving floating point. */
#define SAVE_FP_PREFIX "_savefpr_"
-#define SAVE_FP_SUFFIX "_l"
+#define SAVE_FP_SUFFIX ""
/* Prefix and suffix to use to restoring floating point. */
#define RESTORE_FP_PREFIX "_restfpr_"
-#define RESTORE_FP_SUFFIX "_l"
+#define RESTORE_FP_SUFFIX ""
/* Type used for ptrdiff_t, as a string used in a declaration. */
#define PTRDIFF_TYPE "int"
/* Override default elf definitions. */
#define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
+#undef TARGET_ASM_RELOC_RW_MASK
+#define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask
#undef TARGET_ASM_SELECT_RTX_SECTION
#define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
-#undef TARGET_ASM_SELECT_SECTION
-#define TARGET_ASM_SELECT_SECTION rs6000_elf_select_section
-#define TARGET_ASM_UNIQUE_SECTION rs6000_elf_unique_section
/* 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 can't check that since not every file that uses these target macros
+ includes real.h.
Unlike AIX, we don't key off of -mminimal-toc, but instead do not
allow floating point constants in the TOC if -mrelocatable. */
Some svr4 assemblers need to also have something extra said about the
function's return value. We allow for that here. */
-extern int rs6000_pic_labelno;
-
/* Override elfos.h definition. */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
reg_names[1]); \
} while (0)
-/* Switch Recognition by gcc.c. Add -G xx support. */
-
-/* Override svr4.h definition. */
-#undef SWITCH_TAKES_ARG
-#define SWITCH_TAKES_ARG(CHAR) \
- ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \
- || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \
- || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \
- || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \
- || (CHAR) == 'B' || (CHAR) == 'b' || (CHAR) == 'G')
-
extern int fixuplabelno;
/* Handle constructors specially for -mrelocatable. */
#define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
#define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
-#define TARGET_SECTION_TYPE_FLAGS rs6000_elf_section_type_flags
/* The ELF version doesn't encode [DS] or whatever at the end of symbols. */
/* Override svr4.h definition. */
#undef ASM_SPEC
#define ASM_SPEC "%(asm_cpu) \
-%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \
-%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*} \
-%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
-%{memb|msdata|msdata=eabi: -memb} \
+%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
+SVR4_ASM_SPEC \
+"%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
+%{memb|msdata=eabi: -memb} \
%{mlittle|mlittle-endian:-mlittle; \
mbig|mbig-endian :-mbig; \
mcall-aixdesc | \
#endif
/* Pass -G xxx to the compiler and set correct endian mode. */
-#define CC1_SPEC "%{G*} \
+#define CC1_SPEC "%{G*} %(cc1_cpu) \
%{mlittle|mlittle-endian: %(cc1_endian_little); \
mbig |mbig-endian : %(cc1_endian_big); \
mcall-aixdesc | \
%{profile: -p}"
/* Don't put -Y P,<path> for cross compilers. */
-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE
#define LINK_PATH_SPEC "\
%{!R*:%{L*:-R %*}} \
%{!nostdlib: %{!YP,*: \
myellowknife : %(link_start_yellowknife) ; \
mmvme : %(link_start_mvme) ; \
msim : %(link_start_sim) ; \
- mwindiss : %(link_start_windiss) ; \
mcall-freebsd: %(link_start_freebsd) ; \
mcall-linux : %(link_start_linux) ; \
mcall-gnu : %(link_start_gnu) ; \
myellowknife : %(link_os_yellowknife) ; \
mmvme : %(link_os_mvme) ; \
msim : %(link_os_sim) ; \
- mwindiss : %(link_os_windiss) ; \
mcall-freebsd: %(link_os_freebsd) ; \
mcall-linux : %(link_os_linux) ; \
mcall-gnu : %(link_os_gnu) ; \
#define LINK_OS_DEFAULT_SPEC ""
+#define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
+ %<msingle-float %<mdouble-float}"
+
/* Override rs6000.h definition. */
#undef CPP_SPEC
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
myellowknife : %(cpp_os_yellowknife) ; \
mmvme : %(cpp_os_mvme) ; \
msim : %(cpp_os_sim) ; \
- mwindiss : %(cpp_os_windiss) ; \
mcall-freebsd: %(cpp_os_freebsd) ; \
mcall-linux : %(cpp_os_linux) ; \
mcall-gnu : %(cpp_os_gnu) ; \
myellowknife : %(startfile_yellowknife) ; \
mmvme : %(startfile_mvme) ; \
msim : %(startfile_sim) ; \
- mwindiss : %(startfile_windiss) ; \
mcall-freebsd: %(startfile_freebsd) ; \
mcall-linux : %(startfile_linux) ; \
mcall-gnu : %(startfile_gnu) ; \
mcall-openbsd: %(startfile_openbsd) ; \
: %(startfile_default) }"
-#define STARTFILE_DEFAULT_SPEC ""
+#define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"
/* Override svr4.h definition. */
#undef LIB_SPEC
myellowknife : %(lib_yellowknife) ; \
mmvme : %(lib_mvme) ; \
msim : %(lib_sim) ; \
- mwindiss : %(lib_windiss) ; \
mcall-freebsd: %(lib_freebsd) ; \
mcall-linux : %(lib_linux) ; \
mcall-gnu : %(lib_gnu) ; \
mcall-openbsd: %(lib_openbsd) ; \
: %(lib_default) }"
-#define LIB_DEFAULT_SPEC ""
+#define LIB_DEFAULT_SPEC "-lc"
/* Override svr4.h definition. */
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "\
-%{mads : crtsavres.o%s %(endfile_ads) ; \
- myellowknife : crtsavres.o%s %(endfile_yellowknife) ; \
- mmvme : crtsavres.o%s %(endfile_mvme) ; \
- msim : crtsavres.o%s %(endfile_sim) ; \
- mwindiss : %(endfile_windiss) ; \
- mcall-freebsd: crtsavres.o%s %(endfile_freebsd) ; \
- mcall-linux : crtsavres.o%s %(endfile_linux) ; \
- mcall-gnu : crtsavres.o%s %(endfile_gnu) ; \
- mcall-netbsd : crtsavres.o%s %(endfile_netbsd) ; \
- mcall-openbsd: crtsavres.o%s %(endfile_openbsd) ; \
+%{mads : %(endfile_ads) ; \
+ myellowknife : %(endfile_yellowknife) ; \
+ mmvme : %(endfile_mvme) ; \
+ msim : %(endfile_sim) ; \
+ mcall-freebsd: %(endfile_freebsd) ; \
+ mcall-linux : %(endfile_linux) ; \
+ mcall-gnu : %(endfile_gnu) ; \
+ mcall-netbsd : %(endfile_netbsd) ; \
+ mcall-openbsd: %(endfile_openbsd) ; \
: %(crtsavres_default) %(endfile_default) }"
-#define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s"
+#define CRTSAVRES_DEFAULT_SPEC ""
-#define ENDFILE_DEFAULT_SPEC ""
+#define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"
/* Motorola ADS support. */
#define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
#define LINK_START_FREEBSD_SPEC ""
#define LINK_OS_FREEBSD_SPEC "\
- %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
+ %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \
%{v:-V} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
-#if UCLIBC_DEFAULT
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
+#if DEFAULT_LIBC == LIBC_UCLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
#else
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
+#error "Unsupported DEFAULT_LIBC"
#endif
#define LINUX_DYNAMIC_LINKER \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
#define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
#endif
-/* WindISS support. */
-
-#define LIB_WINDISS_SPEC "--start-group -li -lcfp -lwindiss -lram -limpl -limpfp --end-group"
-
-#define CPP_OS_WINDISS_SPEC "\
--D__rtasim \
--D__EABI__ \
--D__ppc \
-%{!msoft-float: -D__hardfp} \
-"
-
-#define STARTFILE_WINDISS_SPEC "crt0.o%s crtbegin.o%s"
-
-#define ENDFILE_WINDISS_SPEC "crtend.o%s"
-
-#define LINK_START_WINDISS_SPEC ""
-
-#define LINK_OS_WINDISS_SPEC ""
-
/* Define any extra SPECS that the compiler needs to generate. */
/* Override rs6000.h definition. */
#undef SUBTARGET_EXTRA_SPECS
{ "lib_linux", LIB_LINUX_SPEC }, \
{ "lib_netbsd", LIB_NETBSD_SPEC }, \
{ "lib_openbsd", LIB_OPENBSD_SPEC }, \
- { "lib_windiss", LIB_WINDISS_SPEC }, \
{ "lib_default", LIB_DEFAULT_SPEC }, \
{ "startfile_ads", STARTFILE_ADS_SPEC }, \
{ "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
{ "startfile_linux", STARTFILE_LINUX_SPEC }, \
{ "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
{ "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
- { "startfile_windiss", STARTFILE_WINDISS_SPEC }, \
{ "startfile_default", STARTFILE_DEFAULT_SPEC }, \
{ "endfile_ads", ENDFILE_ADS_SPEC }, \
{ "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
{ "endfile_linux", ENDFILE_LINUX_SPEC }, \
{ "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
{ "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \
- { "endfile_windiss", ENDFILE_WINDISS_SPEC }, \
{ "endfile_default", ENDFILE_DEFAULT_SPEC }, \
{ "link_path", LINK_PATH_SPEC }, \
{ "link_shlib", LINK_SHLIB_SPEC }, \
{ "link_start_linux", LINK_START_LINUX_SPEC }, \
{ "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
{ "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
- { "link_start_windiss", LINK_START_WINDISS_SPEC }, \
{ "link_start_default", LINK_START_DEFAULT_SPEC }, \
{ "link_os", LINK_OS_SPEC }, \
{ "link_os_ads", LINK_OS_ADS_SPEC }, \
{ "link_os_gnu", LINK_OS_GNU_SPEC }, \
{ "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
{ "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
- { "link_os_windiss", LINK_OS_WINDISS_SPEC }, \
{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
{ "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
{ "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
{ "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
{ "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
{ "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \
- { "cpp_os_windiss", CPP_OS_WINDISS_SPEC }, \
{ "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \
{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \
SUBSUBTARGET_EXTRA_SPECS
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