/* Definitions of target machine for GNU compiler,
for IBM RS/6000 POWER running AIX.
- Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
-This file is part of GNU CC.
+ This file is part of GCC.
-GNU CC 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 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.
-GNU CC 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.
+ 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ 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. */
/* Yes! We are AIX! */
#define DEFAULT_ABI ABI_AIX
-#define TARGET_OBJECT_FORMAT OBJECT_XCOFF
+#undef TARGET_AIX
+#define TARGET_AIX 1
-/* The RS/6000 uses the XCOFF format. */
-
-#define XCOFF_DEBUGGING_INFO
-
-/* Define if the object format being used is COFF or a superset. */
-#define OBJECT_FORMAT_COFF
-
-/* Define the magic numbers that we recognize as COFF.
-
- AIX 4.3 adds U803XTOCMAGIC (0757) for 64-bit objects and AIX V5 adds
- U64_TOCMAGIC (0767), but collect2.c does not include files in the
- correct order to conditionally define the symbolic name in this macro.
-
- The AIX linker accepts import/export files as object files,
- so accept "#!" (0x2321) magic number. */
-#define MY_ISCOFF(magic) \
- ((magic) == U802WRMAGIC || (magic) == U802ROMAGIC \
- || (magic) == U802TOCMAGIC || (magic) == 0757 || (magic) == 0767 \
- || (magic) == 0x2321)
-
-/* This is the only version of nm that collect2 can work with. */
-#define REAL_NM_FILE_NAME "/usr/ucb/nm"
-
-/* We don't have GAS for the RS/6000 yet, so don't write out special
- .stabs in cc1plus. */
+/* AIX always has a TOC. */
+#define TARGET_NO_TOC 0
+#define TARGET_TOC 1
+#define FIXED_R2 1
-#define FASCIST_ASSEMBLER
+/* AIX allows r13 to be used in 32-bit mode. */
+#define FIXED_R13 0
-/* We define this to prevent the name mangler from putting dollar signs into
- function names. */
+/* 32-bit and 64-bit AIX stack boundary is 128. */
+#undef STACK_BOUNDARY
+#define STACK_BOUNDARY 128
-#define NO_DOLLAR_IN_LABEL
+/* AIX does not support Altivec. */
+#undef TARGET_ALTIVEC
+#define TARGET_ALTIVEC 0
+#undef TARGET_ALTIVEC_ABI
+#define TARGET_ALTIVEC_ABI 0
+#undef TARGET_IEEEQUAD
+#define TARGET_IEEEQUAD 0
-/* We define this to 0 so that gcc will never accept a dollar sign in a
- variable name. This is needed because the AIX assembler will not accept
- dollar signs. */
+/* The AIX linker will discard static constructors in object files before
+ collect has a chance to see them, so scan the object files directly. */
+#define COLLECT_EXPORT_LIST
-#define DOLLARS_IN_IDENTIFIERS 0
+/* Handle #pragma weak and #pragma pack. */
+#define HANDLE_SYSV_PRAGMA 1
-/* AIX does not have any init/fini or ctor/dtor sections, so create
- static constructors and destructors as normal functions. */
-/* #define ASM_OUTPUT_CONSTRUCTOR(file, name) */
-/* #define ASM_OUTPUT_DESTRUCTOR(file, name) */
+/* This is the only version of nm that collect2 can work with. */
+#define REAL_NM_FILE_NAME "/usr/ucb/nm"
-/* The prefix to add to user-visible assembler symbols. */
-#define USER_LABEL_PREFIX "."
+#define USER_LABEL_PREFIX ""
/* Don't turn -B into -L if the argument specifies a relative file name. */
#define RELATIVE_PREFIX_NOT_LINKDIR
/* Because of the above, we must have gcc search itself to find libgcc.a. */
#define LINK_LIBGCC_SPECIAL_1
+#define MFWRAP_SPEC " %{static: %{fmudflap|fmudflapth: \
+ -brename:malloc,__wrap_malloc -brename:__real_malloc,malloc \
+ -brename:free,__wrap_free -brename:__real_free,free \
+ -brename:calloc,__wrap_calloc -brename:__real_calloc,calloc \
+ -brename:realloc,__wrap_realloc -brename:__real_realloc,realloc \
+ -brename:mmap,__wrap_mmap -brename:__real_mmap,mmap \
+ -brename:munmap,__wrap_munmap -brename:__real_munmap,munmap \
+ -brename:alloca,__wrap_alloca -brename:__real_alloca,alloca \
+} %{fmudflapth: \
+ -brename:pthread_create,__wrap_pthread_create \
+ -brename:__real_pthread_create,pthread_create \
+ -brename:pthread_join,__wrap_pthread_join \
+ -brename:__real_pthread_join,pthread_join \
+ -brename:pthread_exit,__wrap_pthread_exit \
+ -brename:__real_pthread_exit,pthread_exit \
+}} %{fmudflap|fmudflapth: \
+ -brename:main,__wrap_main -brename:__real_main,main \
+}"
+
+#define MFLIB_SPEC " %{fmudflap: -lmudflap \
+ %{static:%(link_gcc_c_sequence) -lmudflap}} \
+ %{fmudflapth: -lmudflapth -lpthread \
+ %{static:%(link_gcc_c_sequence) -lmudflapth}} "
+
/* Names to predefine in the preprocessor for this target machine. */
-#define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_LONG_LONG \
--Asystem=unix -Asystem=aix -Acpu=rs6000 -Amachine=rs6000"
+#define TARGET_OS_AIX_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("_IBMR2"); \
+ builtin_define ("_POWER"); \
+ builtin_define ("_AIX"); \
+ builtin_define ("_AIX32"); \
+ builtin_define ("_AIX41"); \
+ builtin_define ("_LONG_LONG"); \
+ if (TARGET_LONG_DOUBLE_128) \
+ builtin_define ("__LONGDOUBLE128"); \
+ builtin_assert ("system=unix"); \
+ builtin_assert ("system=aix"); \
+ } \
+ while (0)
/* Define appropriate architecture macros for preprocessor depending on
target switches. */
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
- %{ansi: -D_ANSI_C_SOURCE}\
- %(cpp_cpu)"
+ %{ansi: -D_ANSI_C_SOURCE}"
+
+#undef ASM_DEFAULT_SPEC
+#define ASM_DEFAULT_SPEC ""
/* Tell the assembler to assume that all undefined names are external.
Don't do this until the fixed IBM assembler is more generally available.
When this becomes permanently defined, the ASM_OUTPUT_EXTERNAL,
ASM_OUTPUT_EXTERNAL_LIBCALL, and RS6000_OUTPUT_BASENAME macros will no
- longer be needed. Also, the extern declaration of mcount in ASM_FILE_START
- will no longer be needed. */
+ longer be needed. Also, the extern declaration of mcount in
+ rs6000_xcoff_file_start will no longer be needed. */
/* #define ASM_SPEC "-u %(asm_cpu)" */
/* Default location of syscalls.exp under AIX */
-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE
#define LINK_SYSCALLS_SPEC "-bI:/lib/syscalls.exp"
#else
#define LINK_SYSCALLS_SPEC ""
#endif
/* Default location of libg.exp under AIX */
-#ifndef CROSS_COMPILE
+#ifndef CROSS_DIRECTORY_STRUCTURE
#define LINK_LIBG_SPEC "-bexport:/usr/lib/libg.exp"
#else
#define LINK_LIBG_SPEC ""
#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
%{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}} -lc"
-/* Define the extra sections we need. We define three: one is the read-only
- data section which is used for constants. This is a csect whose name is
- derived from the name of the input file. The second is for initialized
- global variables. This is a csect whose name is that of the variable.
- The third is the TOC. */
-
-#define EXTRA_SECTIONS \
- read_only_data, private_data, read_only_private_data, toc, bss
-
-/* Define the routines to implement these extra sections.
- BIGGEST_ALIGNMENT is 64, so align the sections that much. */
-
-#define EXTRA_SECTION_FUNCTIONS \
- \
-void \
-read_only_data_section () \
-{ \
- if (in_section != read_only_data) \
- { \
- fprintf (asm_out_file, "\t.csect %s[RO],3\n", \
- xcoff_read_only_section_name); \
- in_section = read_only_data; \
- } \
-} \
- \
-void \
-private_data_section () \
-{ \
- if (in_section != private_data) \
- { \
- fprintf (asm_out_file, "\t.csect %s[RW],3\n", \
- xcoff_private_data_section_name); \
- in_section = private_data; \
- } \
-} \
- \
-void \
-read_only_private_data_section () \
-{ \
- if (in_section != read_only_private_data) \
- { \
- fprintf (asm_out_file, "\t.csect %s[RO],3\n", \
- xcoff_private_data_section_name); \
- in_section = read_only_private_data; \
- } \
-} \
- \
-void \
-toc_section () \
-{ \
- if (TARGET_MINIMAL_TOC) \
- { \
- /* toc_section is always called at least once from ASM_FILE_START, \
- so this is guaranteed to always be defined once and only once \
- in each file. */ \
- if (! toc_initialized) \
- { \
- fputs ("\t.toc\nLCTOC..1:\n", asm_out_file); \
- fputs ("\t.tc toc_table[TC],toc_table[RW]\n", asm_out_file); \
- toc_initialized = 1; \
- } \
- \
- if (in_section != toc) \
- fprintf (asm_out_file, "\t.csect toc_table[RW]%s\n", \
- (TARGET_32BIT ? "" : ",3")); \
- } \
- else \
- { \
- if (in_section != toc) \
- fputs ("\t.toc\n", asm_out_file); \
- } \
- in_section = toc; \
-}
-
-/* Define the name of our readonly data section. */
-
-#define READONLY_DATA_SECTION read_only_data_section
-
-/* Select the section for an initialized data object.
-
- On the RS/6000, we have a special section for all variables except those
- that are static. */
-
-#define SELECT_SECTION(EXP,RELOC) \
-{ \
- if ((TREE_CODE (EXP) == STRING_CST \
- && ! flag_writable_strings) \
- || (TREE_CODE_CLASS (TREE_CODE (EXP)) == 'd' \
- && TREE_READONLY (EXP) && ! TREE_THIS_VOLATILE (EXP) \
- && DECL_INITIAL (EXP) \
- && (DECL_INITIAL (EXP) == error_mark_node \
- || TREE_CONSTANT (DECL_INITIAL (EXP))) \
- && ! (RELOC))) \
- { \
- if (TREE_PUBLIC (EXP)) \
- read_only_data_section (); \
- else \
- read_only_private_data_section (); \
- } \
- else \
- { \
- if (TREE_PUBLIC (EXP)) \
- data_section (); \
- else \
- private_data_section (); \
- } \
-}
-
-/* Return non-zero 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. */
-
-#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_POWERPC64 \
- || TARGET_MINIMAL_TOC \
- || (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
- && ! TARGET_NO_FP_IN_TOC)))))
-
-/* Select section for constant in constant pool.
-
- On RS/6000, all constants are in the private read-only data area.
- However, if this is being placed in the TOC it must be output as a
- toc entry. */
-
-#define SELECT_RTX_SECTION(MODE, X) \
-{ if (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P (X, MODE)) \
- toc_section (); \
- else \
- read_only_private_data_section (); \
-}
-
-/* If we are referencing a function that is static or is known to be
- in this file, make the SYMBOL_REF special. We can use this to indicate
- that we can branch to this function without emitting a no-op after the
- call. Do not set this flag if the function is weakly defined. */
-
-#define ENCODE_SECTION_INFO(DECL) \
- if (TREE_CODE (DECL) == FUNCTION_DECL \
- && (TREE_ASM_WRITTEN (DECL) || ! TREE_PUBLIC (DECL)) \
- && ! DECL_WEAK (DECL)) \
- SYMBOL_REF_FLAG (XEXP (DECL_RTL (DECL), 0)) = 1;
+/* This now supports a natural alignment mode. */
+/* AIX 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)))
+
+/* AIX 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) \
+ : MAX ((COMPUTED), (SPECIFIED)))
+
+/* The AIX ABI isn't explicit on whether aggregates smaller than a
+ word/doubleword should be padded upward or downward. One 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, which
+ is the way IBM Compilers for AIX behave.
+ Setting both of the following defines results in this behavior. */
+#define AGGREGATE_PADDING_FIXED 1
+#define AGGREGATES_PAD_UPWARD_ALWAYS 1
+
+/* 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))
/* Indicate that jump tables go in the text section. */
#define JUMP_TABLES_IN_TEXT_SECTION 1
-/* Enable AIX XL compiler calling convention breakage compatibility. */
-#undef TARGET_XL_CALL
-#define MASK_XL_CALL 0x40000000
-#define TARGET_XL_CALL (target_flags & MASK_XL_CALL)
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
- {"xl-call", MASK_XL_CALL, \
- N_("Always pass floating-point arguments in memory") }, \
- {"no-xl-call", - MASK_XL_CALL, \
- N_("Don't always pass floating-point arguments in memory") }, \
- SUBSUBTARGET_SWITCHES
-#define SUBSUBTARGET_SWITCHES
-
/* Define any extra SPECS that the compiler needs to generate. */
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "link_syscalls", LINK_SYSCALLS_SPEC }, \
{ "link_libg", LINK_LIBG_SPEC }
-/* FP save and restore routines. */
-#define SAVE_FP_PREFIX "._savef"
-#define SAVE_FP_SUFFIX ""
-#define RESTORE_FP_PREFIX "._restf"
-#define RESTORE_FP_SUFFIX ""
-
/* Define cutoff for using external functions to save floating point. */
#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) == 62 || (FIRST_REG) == 63)
-/* Function name to call to do profiling. */
-#define RS6000_MCOUNT ".__mcount"
+/* __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() rs6000_aix_emit_builtin_unwind_init ()
-/* Function names to call to do floating point truncation. */
+/* If the current unwind info (FS) does not contain explicit info
+ saving R2, then we have to do a minor amount of code reading to
+ figure out if it was saved. The big problem here is that the
+ code that does the save/restore is generated by the linker, so
+ we have no good way to determine at compile time what to do. */
-#define RS6000_ITRUNC "__itrunc"
-#define RS6000_UITRUNC "__uitrunc"
+#define R_LR 65
-/* Optabs entries for the int->float routines, using the standard
- AIX names. */
-#define INIT_TARGET_OPTABS \
+#ifdef __64BIT__
+#define MD_FROB_UPDATE_CONTEXT(CTX, FS) \
do { \
- if (! TARGET_POWER2 && ! TARGET_POWERPC && TARGET_HARD_FLOAT) \
+ if ((FS)->regs.reg[2].how == REG_UNSAVED) \
{ \
- fixdfsi_libfunc = init_one_libfunc (RS6000_ITRUNC); \
- fixunsdfsi_libfunc = init_one_libfunc (RS6000_UITRUNC); \
+ unsigned int *insn \
+ = (unsigned int *) \
+ _Unwind_GetGR ((CTX), R_LR); \
+ if (*insn == 0xE8410028) \
+ _Unwind_SetGRPtr ((CTX), 2, (CTX)->cfa + 40); \
} \
} while (0)
-
-/* AIX always has a TOC. */
-#define TARGET_NO_TOC 0
-#define TARGET_TOC 1
-
-/* AIX allows r13 to be used. */
-#define FIXED_R13 0
-
-/* This outputs NAME to FILE up to the first null or '['. */
-
-#define RS6000_OUTPUT_BASENAME(FILE, NAME) \
- { \
- const char *_p; \
- \
- STRIP_NAME_ENCODING (_p, (NAME)); \
- assemble_name ((FILE), _p); \
- }
-
-/* This is how to output the definition of a user-level label named NAME,
- such as the label on a static function or variable NAME. */
-
-#define ASM_OUTPUT_LABEL(FILE,NAME) \
- do { RS6000_OUTPUT_BASENAME (FILE, NAME); fputs (":\n", FILE); } while (0)
-
-/* This is how to output a command to make the user-level label named NAME
- defined for reference from other files. */
-
-#define ASM_GLOBALIZE_LABEL(FILE,NAME) \
- do { fputs ("\t.globl ", FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); putc ('\n', FILE);} while (0)
-
-/* Remove any trailing [DS] or the like from the symbol name. */
-
-#define STRIP_NAME_ENCODING(VAR,NAME) \
- do \
- { \
- const char *_name = (NAME); \
- size_t _len; \
- if (*_name == '*') \
- _name++; \
- _len = strlen (_name); \
- if (_name[_len - 1] != ']') \
- (VAR) = _name; \
- else \
- { \
- char *_new_name = (char *) alloca (_len + 1); \
- strcpy (_new_name, _name); \
- _new_name[_len - 4] = '\0'; \
- (VAR) = _new_name; \
- } \
- } \
- while (0)
-
-/* Output at beginning of assembler file.
-
- Initialize the section names for the RS/6000 at this point.
-
- Specify filename, including full path, to assembler.
-
- We want to go into the TOC section so at least one .toc will be emitted.
- Also, in order to output proper .bs/.es pairs, we need at least one static
- [RW] section emitted.
-
- We then switch back to text to force the gcc2_compiled. label and the space
- allocated after it (when profiling) into the text section.
-
- Finally, declare mcount when profiling to make the assembler happy. */
-
-#define ASM_FILE_START(FILE) \
-{ \
- rs6000_gen_section_name (&xcoff_bss_section_name, \
- main_input_filename, ".bss_"); \
- rs6000_gen_section_name (&xcoff_private_data_section_name, \
- main_input_filename, ".rw_"); \
- rs6000_gen_section_name (&xcoff_read_only_section_name, \
- main_input_filename, ".ro_"); \
- \
- fprintf (FILE, "\t.file\t\"%s\"\n", main_input_filename); \
- if (TARGET_64BIT) \
- fputs ("\t.machine\t\"ppc64\"\n", FILE); \
- toc_section (); \
- if (write_symbols != NO_DEBUG) \
- private_data_section (); \
- text_section (); \
- if (profile_flag) \
- fprintf (FILE, "\t.extern %s\n", RS6000_MCOUNT); \
- rs6000_file_start (FILE, TARGET_CPU_DEFAULT); \
-}
-
-/* Output at end of assembler file.
-
- On the RS/6000, referencing data should automatically pull in text. */
-
-#define ASM_FILE_END(FILE) \
-{ \
- text_section (); \
- fputs ("_section_.text:\n", FILE); \
- data_section (); \
- fputs (TARGET_32BIT \
- ? "\t.long _section_.text\n" : "\t.llong _section_.text\n", FILE); \
-}
-
-/* This macro produces the initial definition of a function name.
- On the RS/6000, we need to place an extra '.' in the function name and
- output the function descriptor.
-
- The csect for the function will have already been created by the
- `text_section' call previously done. We do have to go back to that
- csect, however.
-
- The third and fourth parameters to the .function pseudo-op (16 and 044)
- are placeholders which no longer have any use. */
-
-#define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \
-{ if (TREE_PUBLIC (DECL)) \
- { \
- fputs ("\t.globl .", FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); \
- putc ('\n', FILE); \
- } \
- else \
- { \
- fputs ("\t.lglobl .", FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); \
- putc ('\n', FILE); \
- } \
- fputs ("\t.csect ", FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); \
- fputs (TARGET_32BIT ? "[DS]\n" : "[DS],3\n", FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); \
- fputs (":\n", FILE); \
- fputs (TARGET_32BIT ? "\t.long ." : "\t.llong .", FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); \
- fputs (", TOC[tc0], 0\n", FILE); \
- in_section = no_section; \
- function_section(DECL); \
- putc ('.', FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); \
- fputs (":\n", FILE); \
- if (write_symbols == XCOFF_DEBUG) \
- xcoffout_declare_function (FILE, DECL, NAME); \
-}
-
-/* Output a reference to SYM on FILE. */
-
-#define ASM_OUTPUT_SYMBOL_REF(FILE, SYM) \
- rs6000_output_symbol_ref (FILE, SYM)
-
-/* This is how to output a reference to a user-level label named NAME.
- `assemble_name' uses this. */
-
-#define ASM_OUTPUT_LABELREF(FILE,NAME) \
- fputs (NAME, FILE)
-
-/* This says how to output an external. */
-
-#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
-{ rtx _symref = XEXP (DECL_RTL (DECL), 0); \
- if ((TREE_CODE (DECL) == VAR_DECL \
- || TREE_CODE (DECL) == FUNCTION_DECL) \
- && (NAME)[strlen (NAME) - 1] != ']') \
- { \
- char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
- strcpy (_name, XSTR (_symref, 0)); \
- strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
- XSTR (_symref, 0) = _name; \
- } \
-}
-
-/* This is how to output an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class. */
-
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, "%s..%d:\n", PREFIX, NUM)
-
-/* This is how to output an internal label prefix. rs6000.c uses this
- when generating traceback tables. */
-
-#define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
- fprintf (FILE, "%s..", PREFIX)
-
-/* This is how to output a label for a jump table. Arguments are the same as
- for ASM_OUTPUT_INTERNAL_LABEL, except the insn for the jump table is
- passed. */
-
-#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLEINSN) \
-{ ASM_OUTPUT_ALIGN (FILE, 2); ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); }
-
-/* This is how to store into the string LABEL
- the symbol_ref name of an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class.
- This is suitable for output with `assemble_name'. */
-
-#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf (LABEL, "*%s..%ld", (PREFIX), (long)(NUM))
-
-/* This is how to output an assembler line to define N characters starting
- at P to FILE. */
-
-#define ASM_OUTPUT_ASCII(FILE, P, N) output_ascii ((FILE), (P), (N))
-
-/* This is how to advance the location counter by SIZE bytes. */
-
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "\t.space %d\n", (SIZE))
-
-/* This says how to output an assembler line
- to define a global common symbol. */
-
-#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGNMENT) \
- do { fputs (".comm ", (FILE)); \
- RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \
- if ( (SIZE) > 4) \
- fprintf ((FILE), ",%d,3\n", (SIZE)); \
- else \
- fprintf( (FILE), ",%d\n", (SIZE)); \
+#else
+#define MD_FROB_UPDATE_CONTEXT(CTX, FS) \
+ do { \
+ if ((FS)->regs.reg[2].how == REG_UNSAVED) \
+ { \
+ unsigned int *insn \
+ = (unsigned int *) \
+ _Unwind_GetGR ((CTX), R_LR); \
+ if (*insn == 0x80410014) \
+ _Unwind_SetGRPtr ((CTX), 2, (CTX)->cfa + 20); \
+ } \
} while (0)
+#endif
-/* These are various definitions for DWARF output. They could just
- use '.long' or '.word', but that aligns to a 4-byte boundary which
- is not what is required. So we define a million macros... */
-
-#define UNALIGNED_SHORT_ASM_OP "\t.vbyte\t2,"
-#define UNALIGNED_INT_ASM_OP "\t.vbyte\t4,"
-#define UNALIGNED_DOUBLE_INT_ASM_OP "\t.vbyte\t8,"
-
-/* Output before instructions. */
-#define TEXT_SECTION_ASM_OP "\t.csect .text[PR]"
-
-/* Output before writable data.
- Align entire section to BIGGEST_ALIGNMENT. */
-#define DATA_SECTION_ASM_OP "\t.csect .data[RW],3"
-
-/* Define unique section name -- functions only. */
-#define UNIQUE_SECTION(DECL,RELOC) \
- do { \
- int len; \
- const char *name; \
- char *string; \
- \
- if (TREE_CODE (DECL) == FUNCTION_DECL) { \
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
- len = strlen (name) + 5; \
- string = alloca (len) + 1; \
- sprintf (string, ".%s[PR]", name); \
- DECL_SECTION_NAME (DECL) = build_string (len, string); \
- } \
- } while (0)
+#define PROFILE_HOOK(LABEL) output_profile_hook (LABEL)
-#define ASM_OUTPUT_SECTION_NAME(ASM_OUT_FILE,DECL,NAME,RELOC) \
- do { fputs ("\t.csect ", ASM_OUT_FILE); \
- fputs (TREE_STRING_POINTER (DECL_SECTION_NAME (DECL)), ASM_OUT_FILE); \
- putc ('\n', ASM_OUT_FILE); \
- } while (0)
+/* Print subsidiary information on the compiler version in use. */
+#define TARGET_VERSION ;
-/* __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() rs6000_aix_emit_builtin_unwind_init ()
+/* No version of AIX fully supports AltiVec or 64-bit instructions in
+ 32-bit mode. */
+#define OS_MISSING_POWERPC64 1
+#define OS_MISSING_ALTIVEC 1
-#define PROFILE_HOOK(LABEL) output_profile_hook (LABEL)
+/* WINT_TYPE */
+#define WINT_TYPE "int"
OSDN Git Service
