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julius |
/* Target definitions for PowerPC running Darwin (Mac OS X).
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Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2007
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Free Software Foundation, Inc.
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Contributed by Apple Computer Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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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 GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (Darwin/PowerPC)");
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/* The "Darwin ABI" is mostly like AIX, but with some key differences. */
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#define DEFAULT_ABI ABI_DARWIN
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#ifdef IN_LIBGCC2
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#undef TARGET_64BIT
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#ifdef __powerpc64__
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#define TARGET_64BIT 1
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#else
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#define TARGET_64BIT 0
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#endif
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#endif
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/* The object file format is Mach-O. */
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#define TARGET_OBJECT_FORMAT OBJECT_MACHO
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/* Size of the Obj-C jump buffer. */
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#define OBJC_JBLEN ((TARGET_64BIT) ? (26*2 + 18*2 + 129 + 1) : (26 + 18*2 + 129 + 1))
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/* We're not ever going to do TOCs. */
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#define TARGET_TOC 0
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#define TARGET_NO_TOC 1
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/* Override the default rs6000 definition. */
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
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/* Translate config/rs6000/darwin.opt to config/darwin.h. */
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#define TARGET_DYNAMIC_NO_PIC (TARGET_MACHO_DYNAMIC_NO_PIC)
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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if (!TARGET_64BIT) builtin_define ("__ppc__"); \
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if (TARGET_64BIT) builtin_define ("__ppc64__"); \
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builtin_define ("__POWERPC__"); \
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builtin_define ("__NATURAL_ALIGNMENT__"); \
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darwin_cpp_builtins (pfile); \
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} \
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while (0)
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#define SUBTARGET_OVERRIDE_OPTIONS \
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do { \
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/* The Darwin ABI always includes AltiVec, can't be (validly) turned \
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off. */ \
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rs6000_altivec_abi = 1; \
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TARGET_ALTIVEC_VRSAVE = 1; \
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if (DEFAULT_ABI == ABI_DARWIN) \
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{ \
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if (MACHO_DYNAMIC_NO_PIC_P) \
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{ \
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if (flag_pic) \
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warning (0, "-mdynamic-no-pic overrides -fpic or -fPIC"); \
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flag_pic = 0; \
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} \
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else if (flag_pic == 1) \
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{ \
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flag_pic = 2; \
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} \
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} \
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if (TARGET_64BIT && ! TARGET_POWERPC64) \
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{ \
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target_flags |= MASK_POWERPC64; \
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warning (0, "-m64 requires PowerPC64 architecture, enabling"); \
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} \
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if (flag_mkernel) \
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{ \
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rs6000_default_long_calls = 1; \
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target_flags |= MASK_SOFT_FLOAT; \
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} \
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\
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/* Make -m64 imply -maltivec. Darwin's 64-bit ABI includes \
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Altivec. */ \
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if (!flag_mkernel && !flag_apple_kext \
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&& TARGET_64BIT \
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&& ! (target_flags_explicit & MASK_ALTIVEC)) \
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target_flags |= MASK_ALTIVEC; \
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\
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/* Unless the user (not the configurer) has explicitly overridden \
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it with -mcpu=G3 or -mno-altivec, then 10.5+ targets default to \
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G4 unless targetting the kernel. */ \
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if (!flag_mkernel \
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&& !flag_apple_kext \
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&& darwin_macosx_version_min \
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&& strverscmp (darwin_macosx_version_min, "10.5") >= 0 \
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&& ! (target_flags_explicit & MASK_ALTIVEC) \
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&& ! rs6000_select[1].string) \
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{ \
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target_flags |= MASK_ALTIVEC; \
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} \
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} while(0)
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#define C_COMMON_OVERRIDE_OPTIONS do { \
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/* On powerpc, __cxa_get_exception_ptr is available starting in the \
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10.4.6 libstdc++.dylib. */ \
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if ((! darwin_macosx_version_min \
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|| strverscmp (darwin_macosx_version_min, "10.4.6") < 0) \
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&& flag_use_cxa_get_exception_ptr == 2) \
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flag_use_cxa_get_exception_ptr = 0; \
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if (flag_mkernel) \
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flag_no_builtin = 1; \
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SUBTARGET_C_COMMON_OVERRIDE_OPTIONS; \
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} while (0)
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/* Darwin has 128-bit long double support in libc in 10.4 and later.
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Default to 128-bit long doubles even on earlier platforms for ABI
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consistency; arithmetic will work even if libc and libm support is
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not available. */
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#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
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/* We want -fPIC by default, unless we're using -static to compile for
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the kernel or some such. */
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#define CC1_SPEC "\
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%{g: %{!fno-eliminate-unused-debug-symbols: -feliminate-unused-debug-symbols }} \
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%{static: %{Zdynamic: %e conflicting code gen style switches are used}}\
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%{!mkernel:%{!static:%{!mdynamic-no-pic:-fPIC}}}"
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#define DARWIN_ARCH_SPEC "%{m64:ppc64;:ppc}"
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#define DARWIN_SUBARCH_SPEC " \
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%{m64: ppc64} \
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%{!m64: \
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%{mcpu=601:ppc601; \
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mcpu=603:ppc603; \
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mcpu=603e:ppc603; \
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mcpu=604:ppc604; \
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mcpu=604e:ppc604e; \
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mcpu=740:ppc750; \
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mcpu=750:ppc750; \
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mcpu=G3:ppc750; \
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mcpu=7400:ppc7400; \
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mcpu=G4:ppc7400; \
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mcpu=7450:ppc7450; \
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mcpu=970:ppc970; \
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mcpu=power4:ppc970; \
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mcpu=G5:ppc970; \
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:ppc}}"
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/* crt2.o is at least partially required for 10.3.x and earlier. */
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#define DARWIN_CRT2_SPEC \
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"%{!m64:%:version-compare(!> 10.4 mmacosx-version-min= crt2.o%s)}"
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#undef SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS \
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{ "darwin_arch", DARWIN_ARCH_SPEC }, \
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{ "darwin_crt2", DARWIN_CRT2_SPEC }, \
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{ "darwin_subarch", DARWIN_SUBARCH_SPEC },
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/* Output a .machine directive. */
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#undef TARGET_ASM_FILE_START
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#define TARGET_ASM_FILE_START rs6000_darwin_file_start
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/* The "-faltivec" option should have been called "-maltivec" all
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along. -ffix-and-continue and -findirect-data is for compatibility
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for old compilers. */
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#define SUBTARGET_OPTION_TRANSLATE_TABLE \
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{ "-ffix-and-continue", "-mfix-and-continue" }, \
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{ "-findirect-data", "-mfix-and-continue" }, \
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{ "-faltivec", "-maltivec -include altivec.h" }, \
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{ "-fno-altivec", "-mno-altivec" }, \
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{ "-Waltivec-long-deprecated", "-mwarn-altivec-long" }, \
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{ "-Wno-altivec-long-deprecated", "-mno-warn-altivec-long" }
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| 195 |
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/* Make both r2 and r13 available for allocation. */
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#define FIXED_R2 0
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#define FIXED_R13 0
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| 199 |
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/* Base register for access to local variables of the function. */
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#undef HARD_FRAME_POINTER_REGNUM
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#define HARD_FRAME_POINTER_REGNUM 30
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| 204 |
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#undef RS6000_PIC_OFFSET_TABLE_REGNUM
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#define RS6000_PIC_OFFSET_TABLE_REGNUM 31
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/* Pad the outgoing args area to 16 bytes instead of the usual 8. */
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#undef STARTING_FRAME_OFFSET
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#define STARTING_FRAME_OFFSET \
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(FRAME_GROWS_DOWNWARD \
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? 0 \
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: (RS6000_ALIGN (current_function_outgoing_args_size, 16) \
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+ RS6000_SAVE_AREA))
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#undef STACK_DYNAMIC_OFFSET
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#define STACK_DYNAMIC_OFFSET(FUNDECL) \
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(RS6000_ALIGN (current_function_outgoing_args_size, 16) \
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+ (STACK_POINTER_OFFSET))
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| 221 |
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/* These are used by -fbranch-probabilities */
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#define HOT_TEXT_SECTION_NAME "__TEXT,__text,regular,pure_instructions"
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#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME \
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"__TEXT,__unlikely,regular,pure_instructions"
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| 226 |
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/* Define cutoff for using external functions to save floating point.
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Currently on Darwin, always use inline stores. */
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| 229 |
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#undef FP_SAVE_INLINE
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#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
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| 232 |
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/* Darwin uses a function call if everything needs to be saved/restored. */
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#undef WORLD_SAVE_P
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#define WORLD_SAVE_P(INFO) ((INFO)->world_save_p)
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| 236 |
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/* The assembler wants the alternate register names, but without
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leading percent sign. */
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| 238 |
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#undef REGISTER_NAMES
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| 239 |
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#define REGISTER_NAMES \
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| 240 |
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{ \
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
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| 242 |
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"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
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| 243 |
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"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
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| 244 |
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"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \
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| 245 |
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"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
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| 246 |
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"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
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| 247 |
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"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
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| 248 |
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"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
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| 249 |
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"mq", "lr", "ctr", "ap", \
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| 250 |
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"cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", \
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| 251 |
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"xer", \
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| 252 |
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"v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", \
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| 253 |
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"v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", \
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| 254 |
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"v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", \
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| 255 |
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"v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", \
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| 256 |
|
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"vrsave", "vscr", \
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| 257 |
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"spe_acc", "spefscr", \
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| 258 |
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"sfp" \
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| 259 |
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}
|
| 260 |
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|
| 261 |
|
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/* This outputs NAME to FILE. */
|
| 262 |
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|
| 263 |
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#undef RS6000_OUTPUT_BASENAME
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| 264 |
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#define RS6000_OUTPUT_BASENAME(FILE, NAME) \
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| 265 |
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assemble_name (FILE, NAME)
|
| 266 |
|
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|
| 267 |
|
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/* Globalizing directive for a label. */
|
| 268 |
|
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#undef GLOBAL_ASM_OP
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| 269 |
|
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#define GLOBAL_ASM_OP "\t.globl "
|
| 270 |
|
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#undef TARGET_ASM_GLOBALIZE_LABEL
|
| 271 |
|
|
|
| 272 |
|
|
/* This is how to output an internal label prefix. rs6000.c uses this
|
| 273 |
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when generating traceback tables. */
|
| 274 |
|
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/* Not really used for Darwin? */
|
| 275 |
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|
|
| 276 |
|
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#undef ASM_OUTPUT_INTERNAL_LABEL_PREFIX
|
| 277 |
|
|
#define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
|
| 278 |
|
|
fprintf (FILE, "%s", PREFIX)
|
| 279 |
|
|
|
| 280 |
|
|
/* This says how to output an assembler line to define a global common
|
| 281 |
|
|
symbol. */
|
| 282 |
|
|
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
|
| 283 |
|
|
do { \
|
| 284 |
|
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unsigned HOST_WIDE_INT _new_size = SIZE; \
|
| 285 |
|
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fputs (".comm ", (FILE)); \
|
| 286 |
|
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RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \
|
| 287 |
|
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if (_new_size == 0) _new_size = 1; \
|
| 288 |
|
|
fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED"\n", _new_size); \
|
| 289 |
|
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} while (0)
|
| 290 |
|
|
|
| 291 |
|
|
/* Override the standard rs6000 definition. */
|
| 292 |
|
|
|
| 293 |
|
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#undef ASM_COMMENT_START
|
| 294 |
|
|
#define ASM_COMMENT_START ";"
|
| 295 |
|
|
|
| 296 |
|
|
/* FP save and restore routines. */
|
| 297 |
|
|
#define SAVE_FP_PREFIX "._savef"
|
| 298 |
|
|
#define SAVE_FP_SUFFIX ""
|
| 299 |
|
|
#define RESTORE_FP_PREFIX "._restf"
|
| 300 |
|
|
#define RESTORE_FP_SUFFIX ""
|
| 301 |
|
|
|
| 302 |
|
|
/* This is how to output an assembler line that says to advance
|
| 303 |
|
|
the location counter to a multiple of 2**LOG bytes using the
|
| 304 |
|
|
"nop" instruction as padding. */
|
| 305 |
|
|
|
| 306 |
|
|
#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG) \
|
| 307 |
|
|
do \
|
| 308 |
|
|
{ \
|
| 309 |
|
|
if ((LOG) < 3) \
|
| 310 |
|
|
{ \
|
| 311 |
|
|
ASM_OUTPUT_ALIGN (FILE,LOG); \
|
| 312 |
|
|
} \
|
| 313 |
|
|
else /* nop == ori r0,r0,0 */ \
|
| 314 |
|
|
fprintf (FILE, "\t.align32 %d,0x60000000\n", (LOG)); \
|
| 315 |
|
|
} while (0)
|
| 316 |
|
|
|
| 317 |
|
|
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|
| 318 |
|
|
/* This is supported in cctools 465 and later. The macro test
|
| 319 |
|
|
above prevents using it in earlier build environments. */
|
| 320 |
|
|
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
|
| 321 |
|
|
if ((LOG) != 0) \
|
| 322 |
|
|
{ \
|
| 323 |
|
|
if ((MAX_SKIP) == 0) \
|
| 324 |
|
|
fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
|
| 325 |
|
|
else \
|
| 326 |
|
|
fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
|
| 327 |
|
|
}
|
| 328 |
|
|
#endif
|
| 329 |
|
|
|
| 330 |
|
|
/* Generate insns to call the profiler. */
|
| 331 |
|
|
|
| 332 |
|
|
#define PROFILE_HOOK(LABEL) output_profile_hook (LABEL)
|
| 333 |
|
|
|
| 334 |
|
|
/* Function name to call to do profiling. */
|
| 335 |
|
|
|
| 336 |
|
|
#define RS6000_MCOUNT "*mcount"
|
| 337 |
|
|
|
| 338 |
|
|
/* Default processor: G4, and G5 for 64-bit. */
|
| 339 |
|
|
|
| 340 |
|
|
#undef PROCESSOR_DEFAULT
|
| 341 |
|
|
#define PROCESSOR_DEFAULT PROCESSOR_PPC7400
|
| 342 |
|
|
#undef PROCESSOR_DEFAULT64
|
| 343 |
|
|
#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
|
| 344 |
|
|
|
| 345 |
|
|
/* Default target flag settings. Despite the fact that STMW/LMW
|
| 346 |
|
|
serializes, it's still a big code size win to use them. Use FSEL by
|
| 347 |
|
|
default as well. */
|
| 348 |
|
|
|
| 349 |
|
|
#undef TARGET_DEFAULT
|
| 350 |
|
|
#define TARGET_DEFAULT (MASK_POWERPC | MASK_MULTIPLE | MASK_NEW_MNEMONICS \
|
| 351 |
|
|
| MASK_PPC_GFXOPT)
|
| 352 |
|
|
|
| 353 |
|
|
/* Darwin only runs on PowerPC, so short-circuit POWER patterns. */
|
| 354 |
|
|
#undef TARGET_POWER
|
| 355 |
|
|
#define TARGET_POWER 0
|
| 356 |
|
|
#undef TARGET_IEEEQUAD
|
| 357 |
|
|
#define TARGET_IEEEQUAD 0
|
| 358 |
|
|
|
| 359 |
|
|
/* Since Darwin doesn't do TOCs, stub this out. */
|
| 360 |
|
|
|
| 361 |
|
|
#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) ((void)X, (void)MODE, 0)
|
| 362 |
|
|
|
| 363 |
|
|
/* Unlike most other PowerPC targets, chars are signed, for
|
| 364 |
|
|
consistency with other Darwin architectures. */
|
| 365 |
|
|
|
| 366 |
|
|
#undef DEFAULT_SIGNED_CHAR
|
| 367 |
|
|
#define DEFAULT_SIGNED_CHAR (1)
|
| 368 |
|
|
|
| 369 |
|
|
/* Given an rtx X being reloaded into a reg required to be
|
| 370 |
|
|
in class CLASS, return the class of reg to actually use.
|
| 371 |
|
|
In general this is just CLASS; but on some machines
|
| 372 |
|
|
in some cases it is preferable to use a more restrictive class.
|
| 373 |
|
|
|
| 374 |
|
|
On the RS/6000, we have to return NO_REGS when we want to reload a
|
| 375 |
|
|
floating-point CONST_DOUBLE to force it to be copied to memory.
|
| 376 |
|
|
|
| 377 |
|
|
Don't allow R0 when loading the address of, or otherwise furtling with,
|
| 378 |
|
|
a SYMBOL_REF. */
|
| 379 |
|
|
|
| 380 |
|
|
#undef PREFERRED_RELOAD_CLASS
|
| 381 |
|
|
#define PREFERRED_RELOAD_CLASS(X,CLASS) \
|
| 382 |
|
|
((CONSTANT_P (X) \
|
| 383 |
|
|
&& reg_classes_intersect_p ((CLASS), FLOAT_REGS)) \
|
| 384 |
|
|
? NO_REGS \
|
| 385 |
|
|
: ((GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == HIGH) \
|
| 386 |
|
|
&& reg_class_subset_p (BASE_REGS, (CLASS))) \
|
| 387 |
|
|
? BASE_REGS \
|
| 388 |
|
|
: (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
|
| 389 |
|
|
&& (CLASS) == NON_SPECIAL_REGS) \
|
| 390 |
|
|
? GENERAL_REGS \
|
| 391 |
|
|
: (CLASS))
|
| 392 |
|
|
|
| 393 |
|
|
/* Fix for emit_group_load (): force large constants to be pushed via regs. */
|
| 394 |
|
|
#define ALWAYS_PUSH_CONSTS_USING_REGS_P 1
|
| 395 |
|
|
|
| 396 |
|
|
/* This now supports a natural alignment mode */
|
| 397 |
|
|
/* Darwin word-aligns FP doubles but doubleword-aligns 64-bit ints. */
|
| 398 |
|
|
#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
|
| 399 |
|
|
(TARGET_ALIGN_NATURAL ? (COMPUTED) : \
|
| 400 |
|
|
(TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \
|
| 401 |
|
|
? get_inner_array_type (FIELD) \
|
| 402 |
|
|
: TREE_TYPE (FIELD)) == DFmode \
|
| 403 |
|
|
? MIN ((COMPUTED), 32) : (COMPUTED)))
|
| 404 |
|
|
|
| 405 |
|
|
/* Darwin increases natural record alignment to doubleword if the first
|
| 406 |
|
|
field is an FP double while the FP fields remain word aligned. */
|
| 407 |
|
|
#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \
|
| 408 |
|
|
((TREE_CODE (STRUCT) == RECORD_TYPE \
|
| 409 |
|
|
|| TREE_CODE (STRUCT) == UNION_TYPE \
|
| 410 |
|
|
|| TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \
|
| 411 |
|
|
&& TARGET_ALIGN_NATURAL == 0 \
|
| 412 |
|
|
? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED) \
|
| 413 |
|
|
: (TREE_CODE (STRUCT) == VECTOR_TYPE \
|
| 414 |
|
|
&& ALTIVEC_VECTOR_MODE (TYPE_MODE (STRUCT))) \
|
| 415 |
|
|
? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \
|
| 416 |
|
|
: MAX ((COMPUTED), (SPECIFIED)))
|
| 417 |
|
|
|
| 418 |
|
|
/* Specify padding for the last element of a block move between
|
| 419 |
|
|
registers and memory. FIRST is nonzero if this is the only
|
| 420 |
|
|
element. */
|
| 421 |
|
|
#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \
|
| 422 |
|
|
(!(FIRST) ? upward : FUNCTION_ARG_PADDING (MODE, TYPE))
|
| 423 |
|
|
|
| 424 |
|
|
/* XXX: Darwin supports neither .quad, or .llong, but it also doesn't
|
| 425 |
|
|
support 64 bit PowerPC either, so this just keeps things happy. */
|
| 426 |
|
|
#define DOUBLE_INT_ASM_OP "\t.quad\t"
|
| 427 |
|
|
|
| 428 |
|
|
/* For binary compatibility with 2.95; Darwin C APIs use bool from
|
| 429 |
|
|
stdbool.h, which was an int-sized enum in 2.95. Users can explicitly
|
| 430 |
|
|
choose to have sizeof(bool)==1 with the -mone-byte-bool switch. */
|
| 431 |
|
|
#define BOOL_TYPE_SIZE (darwin_one_byte_bool ? CHAR_TYPE_SIZE : INT_TYPE_SIZE)
|
| 432 |
|
|
|
| 433 |
|
|
#undef REGISTER_TARGET_PRAGMAS
|
| 434 |
|
|
#define REGISTER_TARGET_PRAGMAS() \
|
| 435 |
|
|
do \
|
| 436 |
|
|
{ \
|
| 437 |
|
|
DARWIN_REGISTER_TARGET_PRAGMAS(); \
|
| 438 |
|
|
targetm.resolve_overloaded_builtin = altivec_resolve_overloaded_builtin; \
|
| 439 |
|
|
} \
|
| 440 |
|
|
while (0)
|
| 441 |
|
|
|
| 442 |
|
|
#ifdef IN_LIBGCC2
|
| 443 |
|
|
#include <stdbool.h>
|
| 444 |
|
|
#endif
|
| 445 |
|
|
|
| 446 |
|
|
#define MD_UNWIND_SUPPORT "config/rs6000/darwin-unwind.h"
|
| 447 |
|
|
|
| 448 |
|
|
#define HAS_MD_FALLBACK_FRAME_STATE_FOR 1
|
| 449 |
|
|
|
| 450 |
|
|
/* True, iff we're generating fast turn around debugging code. When
|
| 451 |
|
|
true, we arrange for function prologues to start with 5 nops so
|
| 452 |
|
|
that gdb may insert code to redirect them, and for data to be
|
| 453 |
|
|
accessed indirectly. The runtime uses this indirection to forward
|
| 454 |
|
|
references for data to the original instance of that data. */
|
| 455 |
|
|
|
| 456 |
|
|
#define TARGET_FIX_AND_CONTINUE (darwin_fix_and_continue)
|
| 457 |
|
|
|
| 458 |
|
|
/* This is the reserved direct dispatch address for Objective-C. */
|
| 459 |
|
|
#define OFFS_MSGSEND_FAST 0xFFFEFF00
|
| 460 |
|
|
|
| 461 |
|
|
/* This is the reserved ivar address Objective-C. */
|
| 462 |
|
|
#define OFFS_ASSIGNIVAR_FAST 0xFFFEFEC0
|
| 463 |
|
|
|
| 464 |
|
|
/* Old versions of Mac OS/Darwin don't have C99 functions available. */
|
| 465 |
|
|
#undef TARGET_C99_FUNCTIONS
|
| 466 |
|
|
#define TARGET_C99_FUNCTIONS \
|
| 467 |
|
|
(TARGET_64BIT \
|
| 468 |
|
|
|| (darwin_macosx_version_min \
|
| 469 |
|
|
&& strverscmp (darwin_macosx_version_min, "10.3") >= 0))
|
| 470 |
|
|
|
| 471 |
|
|
/* When generating kernel code or kexts, we don't use Altivec by
|
| 472 |
|
|
default, as kernel code doesn't save/restore those registers. */
|
| 473 |
|
|
#define OS_MISSING_ALTIVEC (flag_mkernel || flag_apple_kext)
|
