diff options
Diffstat (limited to 'contrib/gcc/config/rs6000/xcoff.h')
| -rw-r--r-- | contrib/gcc/config/rs6000/xcoff.h | 179 |
1 files changed, 51 insertions, 128 deletions
diff --git a/contrib/gcc/config/rs6000/xcoff.h b/contrib/gcc/config/rs6000/xcoff.h index a61061a..21d74a9 100644 --- a/contrib/gcc/config/rs6000/xcoff.h +++ b/contrib/gcc/config/rs6000/xcoff.h @@ -23,7 +23,7 @@ Boston, MA 02111-1307, USA. */ #define TARGET_OBJECT_FORMAT OBJECT_XCOFF /* The RS/6000 uses the XCOFF format. */ -#define XCOFF_DEBUGGING_INFO +#define XCOFF_DEBUGGING_INFO 1 /* Define if the object format being used is COFF or a superset. */ #define OBJECT_FORMAT_COFF @@ -135,37 +135,7 @@ toc_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,ALIGN) \ -{ \ - 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 +/* 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 @@ -189,29 +159,14 @@ toc_section () \ || (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, ALIGN) \ -{ 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_PUBLIC (DECL) \ - && !DECL_WEAK (DECL)) \ - SYMBOL_REF_FLAG (XEXP (DECL_RTL (DECL), 0)) = 1; +#define TARGET_ASM_GLOBALIZE_LABEL rs6000_xcoff_asm_globalize_label +#define TARGET_ASM_NAMED_SECTION rs6000_xcoff_asm_named_section +#define TARGET_ASM_SELECT_SECTION rs6000_xcoff_select_section +#define TARGET_ASM_SELECT_RTX_SECTION rs6000_xcoff_select_rtx_section +#define TARGET_ASM_UNIQUE_SECTION rs6000_xcoff_unique_section +#define TARGET_ENCODE_SECTION_INFO rs6000_xcoff_encode_section_info +#define TARGET_STRIP_NAME_ENCODING rs6000_xcoff_strip_name_encoding +#define TARGET_SECTION_TYPE_FLAGS rs6000_xcoff_section_type_flags /* FP save and restore routines. */ #define SAVE_FP_PREFIX "._savef" @@ -232,13 +187,8 @@ toc_section () \ /* 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); \ - } +#define RS6000_OUTPUT_BASENAME(FILE, NAME) \ + assemble_name ((FILE), (*targetm.strip_name_encoding) (NAME)) /* 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. */ @@ -249,31 +199,8 @@ toc_section () \ /* 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) +/* Globalizing directive for a label. */ +#define GLOBAL_ASM_OP "\t.globl " /* Output at beginning of assembler file. @@ -296,7 +223,9 @@ toc_section () \ rs6000_gen_section_name (&xcoff_read_only_section_name, \ main_input_filename, ".ro_"); \ \ - fprintf (FILE, "\t.file\t\"%s\"\n", main_input_filename); \ + fputs ("\t.file\t", FILE); \ + output_quoted_string (FILE, main_input_filename); \ + fputc ('\n', FILE); \ if (TARGET_64BIT) \ fputs ("\t.machine\t\"ppc64\"\n", FILE); \ toc_section (); \ @@ -337,7 +266,7 @@ toc_section () \ #define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \ { rtx sym_ref = XEXP (DECL_RTL (DECL), 0); \ - if (!DECL_WEAK (DECL)) \ + if ((*targetm.binds_local_p) (DECL)) \ SYMBOL_REF_FLAG (sym_ref) = 1; \ if (TREE_PUBLIC (DECL)) \ { \ @@ -367,7 +296,11 @@ toc_section () \ putc ('.', FILE); \ RS6000_OUTPUT_BASENAME (FILE, NAME); \ fputs (":\n", FILE); \ - if (write_symbols == XCOFF_DEBUG) \ + if (write_symbols == XCOFF_DEBUG \ + /* When called before targetm.asm_out.output_mi_thunk, \ + we won't be emitting the rest of the debug info that \ + goes along with this, leading to assembler errors. */ \ + && !(current_function_is_thunk && !no_new_pseudos)) \ xcoffout_declare_function (FILE, DECL, NAME); \ } @@ -379,17 +312,17 @@ toc_section () \ /* This says how to output an external. */ #undef ASM_OUTPUT_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; \ - } \ +#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] != ']') \ + { \ + XSTR (_symref, 0) = concat (XSTR (_symref, 0), \ + (TREE_CODE (DECL) == FUNCTION_DECL \ + ? "[DS]" : "[RW]"), \ + NULL); \ + } \ } /* This is how to output an internal numbered label where @@ -426,19 +359,26 @@ toc_section () \ /* This is how to advance the location counter by SIZE bytes. */ +#define SKIP_ASM_OP "\t.space " + #define ASM_OUTPUT_SKIP(FILE,SIZE) \ - fprintf (FILE, "\t.space %d\n", (SIZE)) + fprintf (FILE, "%s%u\n", SKIP_ASM_OP, (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 ("\t.comm ", (FILE)); \ +#define COMMON_ASM_OP "\t.comm " + +#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ + do { fputs (COMMON_ASM_OP, (FILE)); \ RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \ - if ( (SIZE) > 4) \ - fprintf ((FILE), ",%d,3\n", (SIZE)); \ + if ((ALIGN) > 32) \ + fprintf ((FILE), ",%u,%u\n", (SIZE), \ + exact_log2 ((ALIGN) / BITS_PER_UNIT)); \ + else if ((SIZE) > 4) \ + fprintf ((FILE), ",%u,3\n", (SIZE)); \ else \ - fprintf ((FILE), ",%d\n", (SIZE)); \ + fprintf ((FILE), ",%u\n", (SIZE)); \ } while (0) /* This says how to output an assembler line @@ -447,10 +387,12 @@ toc_section () \ alignment after preceding TOC section if it was aligned for 64-bit mode. */ +#define LOCAL_COMMON_ASM_OP "\t.lcomm " + #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ - do { fputs ("\t.lcomm ", (FILE)); \ + do { fputs (LOCAL_COMMON_ASM_OP, (FILE)); \ RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \ - fprintf ((FILE), ",%d,%s\n", (TARGET_32BIT ? (SIZE) : (ROUNDED)), \ + fprintf ((FILE), ",%u,%s\n", (TARGET_32BIT ? (SIZE) : (ROUNDED)), \ xcoff_bss_section_name); \ } while (0) @@ -476,25 +418,6 @@ toc_section () \ 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) - -/* Switch into a generic section. */ -#define TARGET_ASM_NAMED_SECTION xcoff_asm_named_section - /* Define the name of the section to use for the EH language specific data areas (.gcc_except_table on most other systems). */ #define TARGET_ASM_EXCEPTION_SECTION data_section |
