/* 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, 2007 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.
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 COPYING3. If not see
+ 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. */
#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 \
{ \
} \
\
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 64-bit V.4, always use inline stores. When optimizing
- for size on 32-bit targets, use external functions when
- profitable. */
-#define FP_SAVE_INLINE(FIRST_REG) (optimize_size && !TARGET_64BIT \
+ 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 \
- && (TARGET_64BIT || !optimize_size))
+ && !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 (TARGET_64BIT ? "_l" : "")
+#define SAVE_FP_SUFFIX ""
/* Prefix and suffix to use to restoring floating point. */
#define RESTORE_FP_PREFIX "_restfpr_"
-#define RESTORE_FP_SUFFIX (TARGET_64BIT ? "_l" : "")
+#define RESTORE_FP_SUFFIX ""
/* Type used for ptrdiff_t, as a string used in a declaration. */
#define PTRDIFF_TYPE "int"
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. */
/* Override svr4.h definition. */
#undef ASM_SPEC
#define ASM_SPEC "%(asm_cpu) \
-%{,assembler|,assembler-with-cpp: %{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 | \
#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)
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