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Diffstat (limited to 'contrib/gcc/config/rs6000/darwin.h')
| -rw-r--r-- | contrib/gcc/config/rs6000/darwin.h | 474 |
1 files changed, 0 insertions, 474 deletions
diff --git a/contrib/gcc/config/rs6000/darwin.h b/contrib/gcc/config/rs6000/darwin.h deleted file mode 100644 index 7bd53fcdc8a3..000000000000 --- a/contrib/gcc/config/rs6000/darwin.h +++ /dev/null @@ -1,474 +0,0 @@ -/* Target definitions for PowerPC running Darwin (Mac OS X). - Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. - Contributed by Apple Computer 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. */ - -#undef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (Darwin/PowerPC)"); - -/* The "Darwin ABI" is mostly like AIX, but with some key differences. */ - -#define DEFAULT_ABI ABI_DARWIN - -#ifdef IN_LIBGCC2 -#undef TARGET_64BIT -#ifdef __powerpc64__ -#define TARGET_64BIT 1 -#else -#define TARGET_64BIT 0 -#endif -#endif - -/* The object file format is Mach-O. */ - -#define TARGET_OBJECT_FORMAT OBJECT_MACHO - -/* Size of the Obj-C jump buffer. */ -#define OBJC_JBLEN ((TARGET_64BIT) ? (26*2 + 18*2 + 129 + 1) : (26 + 18*2 + 129 + 1)) - -/* We're not ever going to do TOCs. */ - -#define TARGET_TOC 0 -#define TARGET_NO_TOC 1 - -/* Override the default rs6000 definition. */ -#undef PTRDIFF_TYPE -#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") - -/* Translate config/rs6000/darwin.opt to config/darwin.h. */ -#define TARGET_DYNAMIC_NO_PIC (TARGET_MACHO_DYNAMIC_NO_PIC) - -#define TARGET_OS_CPP_BUILTINS() \ - do \ - { \ - if (!TARGET_64BIT) builtin_define ("__ppc__"); \ - if (TARGET_64BIT) builtin_define ("__ppc64__"); \ - builtin_define ("__POWERPC__"); \ - builtin_define ("__NATURAL_ALIGNMENT__"); \ - darwin_cpp_builtins (pfile); \ - } \ - while (0) - - -#define SUBTARGET_OVERRIDE_OPTIONS \ -do { \ - /* The Darwin ABI always includes AltiVec, can't be (validly) turned \ - off. */ \ - rs6000_altivec_abi = 1; \ - TARGET_ALTIVEC_VRSAVE = 1; \ - if (DEFAULT_ABI == ABI_DARWIN) \ - { \ - if (MACHO_DYNAMIC_NO_PIC_P) \ - { \ - if (flag_pic) \ - warning (0, "-mdynamic-no-pic overrides -fpic or -fPIC"); \ - flag_pic = 0; \ - } \ - else if (flag_pic == 1) \ - { \ - flag_pic = 2; \ - } \ - } \ - if (TARGET_64BIT && ! TARGET_POWERPC64) \ - { \ - target_flags |= MASK_POWERPC64; \ - warning (0, "-m64 requires PowerPC64 architecture, enabling"); \ - } \ - if (flag_mkernel) \ - { \ - rs6000_default_long_calls = 1; \ - target_flags |= MASK_SOFT_FLOAT; \ - } \ - \ - /* Make -m64 imply -maltivec. Darwin's 64-bit ABI includes \ - Altivec. */ \ - if (!flag_mkernel && !flag_apple_kext \ - && TARGET_64BIT \ - && ! (target_flags_explicit & MASK_ALTIVEC)) \ - target_flags |= MASK_ALTIVEC; \ - \ - /* Unless the user (not the configurer) has explicitly overridden \ - it with -mcpu=G3 or -mno-altivec, then 10.5+ targets default to \ - G4 unless targetting the kernel. */ \ - if (!flag_mkernel \ - && !flag_apple_kext \ - && darwin_macosx_version_min \ - && strverscmp (darwin_macosx_version_min, "10.5") >= 0 \ - && ! (target_flags_explicit & MASK_ALTIVEC) \ - && ! rs6000_select[1].string) \ - { \ - target_flags |= MASK_ALTIVEC; \ - } \ -} while(0) - -#define C_COMMON_OVERRIDE_OPTIONS do { \ - /* On powerpc, __cxa_get_exception_ptr is available starting in the \ - 10.4.6 libstdc++.dylib. */ \ - if ((! darwin_macosx_version_min \ - || strverscmp (darwin_macosx_version_min, "10.4.6") < 0) \ - && flag_use_cxa_get_exception_ptr == 2) \ - flag_use_cxa_get_exception_ptr = 0; \ - if (flag_mkernel) \ - flag_no_builtin = 1; \ - SUBTARGET_C_COMMON_OVERRIDE_OPTIONS; \ -} while (0) - -/* Darwin has 128-bit long double support in libc in 10.4 and later. - Default to 128-bit long doubles even on earlier platforms for ABI - consistency; arithmetic will work even if libc and libm support is - not available. */ - -#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128 - - -/* We want -fPIC by default, unless we're using -static to compile for - the kernel or some such. */ - -#define CC1_SPEC "\ - %{g: %{!fno-eliminate-unused-debug-symbols: -feliminate-unused-debug-symbols }} \ - %{static: %{Zdynamic: %e conflicting code gen style switches are used}}\ - %{!mkernel:%{!static:%{!mdynamic-no-pic:-fPIC}}}" - -#define DARWIN_ARCH_SPEC "%{m64:ppc64;:ppc}" - -#define DARWIN_SUBARCH_SPEC " \ - %{m64: ppc64} \ - %{!m64: \ - %{mcpu=601:ppc601; \ - mcpu=603:ppc603; \ - mcpu=603e:ppc603; \ - mcpu=604:ppc604; \ - mcpu=604e:ppc604e; \ - mcpu=740:ppc750; \ - mcpu=750:ppc750; \ - mcpu=G3:ppc750; \ - mcpu=7400:ppc7400; \ - mcpu=G4:ppc7400; \ - mcpu=7450:ppc7450; \ - mcpu=970:ppc970; \ - mcpu=power4:ppc970; \ - mcpu=G5:ppc970; \ - :ppc}}" - -/* crt2.o is at least partially required for 10.3.x and earlier. */ -#define DARWIN_CRT2_SPEC \ - "%{!m64:%:version-compare(!> 10.4 mmacosx-version-min= crt2.o%s)}" - -#undef SUBTARGET_EXTRA_SPECS -#define SUBTARGET_EXTRA_SPECS \ - { "darwin_arch", DARWIN_ARCH_SPEC }, \ - { "darwin_crt2", DARWIN_CRT2_SPEC }, \ - { "darwin_subarch", DARWIN_SUBARCH_SPEC }, - -/* Output a .machine directive. */ -#undef TARGET_ASM_FILE_START -#define TARGET_ASM_FILE_START rs6000_darwin_file_start - -/* The "-faltivec" option should have been called "-maltivec" all - along. -ffix-and-continue and -findirect-data is for compatibility - for old compilers. */ - -#define SUBTARGET_OPTION_TRANSLATE_TABLE \ - { "-ffix-and-continue", "-mfix-and-continue" }, \ - { "-findirect-data", "-mfix-and-continue" }, \ - { "-faltivec", "-maltivec -include altivec.h" }, \ - { "-fno-altivec", "-mno-altivec" }, \ - { "-Waltivec-long-deprecated", "-mwarn-altivec-long" }, \ - { "-Wno-altivec-long-deprecated", "-mno-warn-altivec-long" } - -/* Make both r2 and r13 available for allocation. */ -#define FIXED_R2 0 -#define FIXED_R13 0 - -/* Base register for access to local variables of the function. */ - -#undef HARD_FRAME_POINTER_REGNUM -#define HARD_FRAME_POINTER_REGNUM 30 - -#undef RS6000_PIC_OFFSET_TABLE_REGNUM -#define RS6000_PIC_OFFSET_TABLE_REGNUM 31 - -/* Pad the outgoing args area to 16 bytes instead of the usual 8. */ - -#undef STARTING_FRAME_OFFSET -#define STARTING_FRAME_OFFSET \ - (FRAME_GROWS_DOWNWARD \ - ? 0 \ - : (RS6000_ALIGN (current_function_outgoing_args_size, 16) \ - + RS6000_SAVE_AREA)) - -#undef STACK_DYNAMIC_OFFSET -#define STACK_DYNAMIC_OFFSET(FUNDECL) \ - (RS6000_ALIGN (current_function_outgoing_args_size, 16) \ - + (STACK_POINTER_OFFSET)) - -/* These are used by -fbranch-probabilities */ -#define HOT_TEXT_SECTION_NAME "__TEXT,__text,regular,pure_instructions" -#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME \ - "__TEXT,__unlikely,regular,pure_instructions" - -/* Define cutoff for using external functions to save floating point. - Currently on Darwin, always use inline stores. */ - -#undef FP_SAVE_INLINE -#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64) - -/* Darwin uses a function call if everything needs to be saved/restored. */ -#undef WORLD_SAVE_P -#define WORLD_SAVE_P(INFO) ((INFO)->world_save_p) - -/* The assembler wants the alternate register names, but without - leading percent sign. */ -#undef REGISTER_NAMES -#define REGISTER_NAMES \ -{ \ - "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ - "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ - "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ - "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ - "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ - "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \ - "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \ - "mq", "lr", "ctr", "ap", \ - "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", \ - "xer", \ - "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", \ - "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", \ - "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", \ - "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", \ - "vrsave", "vscr", \ - "spe_acc", "spefscr", \ - "sfp" \ -} - -/* This outputs NAME to FILE. */ - -#undef RS6000_OUTPUT_BASENAME -#define RS6000_OUTPUT_BASENAME(FILE, NAME) \ - assemble_name (FILE, NAME) - -/* Globalizing directive for a label. */ -#undef GLOBAL_ASM_OP -#define GLOBAL_ASM_OP "\t.globl " -#undef TARGET_ASM_GLOBALIZE_LABEL - -/* This is how to output an internal label prefix. rs6000.c uses this - when generating traceback tables. */ -/* Not really used for Darwin? */ - -#undef ASM_OUTPUT_INTERNAL_LABEL_PREFIX -#define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \ - fprintf (FILE, "%s", PREFIX) - -/* This says how to output an assembler line to define a global common - symbol. */ -#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ - do { \ - unsigned HOST_WIDE_INT _new_size = SIZE; \ - fputs (".comm ", (FILE)); \ - RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \ - if (_new_size == 0) _new_size = 1; \ - fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED"\n", _new_size); \ - } while (0) - -/* Override the standard rs6000 definition. */ - -#undef ASM_COMMENT_START -#define ASM_COMMENT_START ";" - -/* FP save and restore routines. */ -#define SAVE_FP_PREFIX "._savef" -#define SAVE_FP_SUFFIX "" -#define RESTORE_FP_PREFIX "._restf" -#define RESTORE_FP_SUFFIX "" - -/* This is how to output an assembler line that says to advance - the location counter to a multiple of 2**LOG bytes using the - "nop" instruction as padding. */ - -#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG) \ - do \ - { \ - if ((LOG) < 3) \ - { \ - ASM_OUTPUT_ALIGN (FILE,LOG); \ - } \ - else /* nop == ori r0,r0,0 */ \ - fprintf (FILE, "\t.align32 %d,0x60000000\n", (LOG)); \ - } while (0) - -#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN -/* This is supported in cctools 465 and later. The macro test - above prevents using it in earlier build environments. */ -#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ - if ((LOG) != 0) \ - { \ - if ((MAX_SKIP) == 0) \ - fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ - else \ - fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ - } -#endif - -/* Generate insns to call the profiler. */ - -#define PROFILE_HOOK(LABEL) output_profile_hook (LABEL) - -/* Function name to call to do profiling. */ - -#define RS6000_MCOUNT "*mcount" - -/* Default processor: G4, and G5 for 64-bit. */ - -#undef PROCESSOR_DEFAULT -#define PROCESSOR_DEFAULT PROCESSOR_PPC7400 -#undef PROCESSOR_DEFAULT64 -#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 - -/* Default target flag settings. Despite the fact that STMW/LMW - serializes, it's still a big code size win to use them. Use FSEL by - default as well. */ - -#undef TARGET_DEFAULT -#define TARGET_DEFAULT (MASK_POWERPC | MASK_MULTIPLE | MASK_NEW_MNEMONICS \ - | MASK_PPC_GFXOPT) - -/* Darwin only runs on PowerPC, so short-circuit POWER patterns. */ -#undef TARGET_POWER -#define TARGET_POWER 0 -#undef TARGET_IEEEQUAD -#define TARGET_IEEEQUAD 0 - -/* Since Darwin doesn't do TOCs, stub this out. */ - -#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) ((void)X, (void)MODE, 0) - -/* Unlike most other PowerPC targets, chars are signed, for - consistency with other Darwin architectures. */ - -#undef DEFAULT_SIGNED_CHAR -#define DEFAULT_SIGNED_CHAR (1) - -/* Given an rtx X being reloaded into a reg required to be - in class CLASS, return the class of reg to actually use. - In general this is just CLASS; but on some machines - in some cases it is preferable to use a more restrictive class. - - On the RS/6000, we have to return NO_REGS when we want to reload a - floating-point CONST_DOUBLE to force it to be copied to memory. - - Don't allow R0 when loading the address of, or otherwise furtling with, - a SYMBOL_REF. */ - -#undef PREFERRED_RELOAD_CLASS -#define PREFERRED_RELOAD_CLASS(X,CLASS) \ - ((CONSTANT_P (X) \ - && reg_classes_intersect_p ((CLASS), FLOAT_REGS)) \ - ? NO_REGS \ - : ((GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == HIGH) \ - && reg_class_subset_p (BASE_REGS, (CLASS))) \ - ? BASE_REGS \ - : (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \ - && (CLASS) == NON_SPECIAL_REGS) \ - ? GENERAL_REGS \ - : (CLASS)) - -/* Fix for emit_group_load (): force large constants to be pushed via regs. */ -#define ALWAYS_PUSH_CONSTS_USING_REGS_P 1 - -/* This now supports a natural alignment mode */ -/* Darwin word-aligns FP doubles but doubleword-aligns 64-bit ints. */ -#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ - (TARGET_ALIGN_NATURAL ? (COMPUTED) : \ - (TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \ - ? get_inner_array_type (FIELD) \ - : TREE_TYPE (FIELD)) == DFmode \ - ? MIN ((COMPUTED), 32) : (COMPUTED))) - -/* Darwin increases natural record alignment to doubleword if the first - field is an FP double while the FP fields remain word aligned. */ -#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \ - ((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) \ - : (TREE_CODE (STRUCT) == VECTOR_TYPE \ - && ALTIVEC_VECTOR_MODE (TYPE_MODE (STRUCT))) \ - ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \ - : MAX ((COMPUTED), (SPECIFIED))) - -/* 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)) - -/* XXX: Darwin supports neither .quad, or .llong, but it also doesn't - support 64 bit PowerPC either, so this just keeps things happy. */ -#define DOUBLE_INT_ASM_OP "\t.quad\t" - -/* For binary compatibility with 2.95; Darwin C APIs use bool from - stdbool.h, which was an int-sized enum in 2.95. Users can explicitly - choose to have sizeof(bool)==1 with the -mone-byte-bool switch. */ -#define BOOL_TYPE_SIZE (darwin_one_byte_bool ? CHAR_TYPE_SIZE : INT_TYPE_SIZE) - -#undef REGISTER_TARGET_PRAGMAS -#define REGISTER_TARGET_PRAGMAS() \ - do \ - { \ - DARWIN_REGISTER_TARGET_PRAGMAS(); \ - targetm.resolve_overloaded_builtin = altivec_resolve_overloaded_builtin; \ - } \ - while (0) - -#ifdef IN_LIBGCC2 -#include <stdbool.h> -#endif - -#define MD_UNWIND_SUPPORT "config/rs6000/darwin-unwind.h" - -#define HAS_MD_FALLBACK_FRAME_STATE_FOR 1 - -/* True, iff we're generating fast turn around debugging code. When - true, we arrange for function prologues to start with 5 nops so - that gdb may insert code to redirect them, and for data to be - accessed indirectly. The runtime uses this indirection to forward - references for data to the original instance of that data. */ - -#define TARGET_FIX_AND_CONTINUE (darwin_fix_and_continue) - -/* This is the reserved direct dispatch address for Objective-C. */ -#define OFFS_MSGSEND_FAST 0xFFFEFF00 - -/* This is the reserved ivar address Objective-C. */ -#define OFFS_ASSIGNIVAR_FAST 0xFFFEFEC0 - -/* Old versions of Mac OS/Darwin don't have C99 functions available. */ -#undef TARGET_C99_FUNCTIONS -#define TARGET_C99_FUNCTIONS \ - (TARGET_64BIT \ - || (darwin_macosx_version_min \ - && strverscmp (darwin_macosx_version_min, "10.3") >= 0)) - -/* When generating kernel code or kexts, we don't use Altivec by - default, as kernel code doesn't save/restore those registers. */ -#define OS_MISSING_ALTIVEC (flag_mkernel || flag_apple_kext) |