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From-SVN: r455
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Richard Kenner
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6a8c88c8a4
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172
gcc/xcoffout.h
Normal file
172
gcc/xcoffout.h
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/* XCOFF definitions. These are needed in dbxout.c, final.c,
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and xcoffout.h. */
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#define ASM_STABS_OP ".stabx"
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/* Tags and typedefs are C_DECL in XCOFF, not C_LSYM. */
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#define DBX_DECL_STABS_CODE N_DECL
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/* Use the XCOFF predefined type numbers. */
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/* ??? According to metin, typedef stabx must go in text control section,
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but he did not make this changes everywhere where such typedef stabx
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can be emitted, so it is really needed or not? */
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#define DBX_OUTPUT_STANDARD_TYPES(SYMS) \
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{ \
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text_section (); \
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xcoff_output_standard_types (SYMS); \
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}
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/* Any type with a negative type index has already been output. */
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#define DBX_TYPE_DEFINED(TYPE) (TYPE_SYMTAB_ADDRESS (TYPE) < 0)
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/* Must use N_STSYM for static const variables (those in the text section)
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instead of N_FUN. */
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#define DBX_STATIC_CONST_VAR_CODE N_STSYM
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/* For static variables, output code to define the start of a static block. */
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#define DBX_STATIC_BLOCK_START(ASMFILE,CODE) \
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{ \
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if ((CODE) == N_STSYM) \
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fprintf ((ASMFILE), "\t.bs\t%s[RW]\n", xcoff_private_data_section_name);\
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else if ((CODE) == N_LCSYM) \
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fprintf ((ASMFILE), "\t.bs\t%s\n", xcoff_bss_section_name); \
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}
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/* For static variables, output code to define the end of a static block. */
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#define DBX_STATIC_BLOCK_END(ASMFILE,CODE) \
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{ \
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if (current_sym_code == N_STSYM || current_sym_code == N_LCSYM) \
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fprintf (asmfile, "\t.es\n"); \
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}
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/* We must use N_RPYSM instead of N_RSYM for register parameters. */
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#define DBX_REGPARM_STABS_CODE N_RPSYM
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/* We must use 'R' instead of 'P' for register parameters. */
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#define DBX_REGPARM_STABS_LETTER 'R'
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/* Define our own finish symbol function, since xcoff stabs have their
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own different format. */
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#define DBX_FINISH_SYMBOL(SYM) \
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{ \
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if (current_sym_addr && current_sym_code == N_FUN) \
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fprintf (asmfile, "\",."); \
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else \
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fprintf (asmfile, "\","); \
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/* If we are writing a function name, we must ensure that \
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there is no storage-class suffix on the name. */ \
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if (current_sym_addr && current_sym_code == N_FUN \
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&& GET_CODE (current_sym_addr) == SYMBOL_REF) \
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{ \
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char *_p; \
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for (_p = XSTR (current_sym_addr, 0); *_p != '[' && *_p; _p++) \
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fprintf (asmfile, "%c", *_p); \
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} \
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else if (current_sym_addr) \
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output_addr_const (asmfile, current_sym_addr); \
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else if (current_sym_code == N_GSYM) \
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fprintf (asmfile, "%s", IDENTIFIER_POINTER (DECL_NAME (SYM))); \
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else \
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fprintf (asmfile, "%d", current_sym_value); \
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fprintf (asmfile, ",%d,0\n", stab_to_sclass (current_sym_code)); \
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}
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/* These are IBM XCOFF extensions we need to reference in dbxout.c
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and xcoffout.c. */
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/* AIX XCOFF uses this for typedefs. This can have any value, since it is
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only used for translation into a C_DECL storage class. */
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#ifndef N_DECL
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#define N_DECL 0x8c
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#endif
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/* AIX XCOFF uses this for parameters passed in registers. This can have
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any value, since it is only used for translation into a C_RPSYM storage
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class. */
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#ifndef N_RPSYM
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#define N_RPSYM 0x8e
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#endif
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/* The line number of the beginning of the current function.
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xcoffout.c needs this so that it can output relative linenumbers. */
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extern int xcoff_begin_function_line;
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/* Name of the current include file. */
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extern char *xcoff_current_include_file;
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/* Name of the current function file. This is the file the `.bf' is
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emitted from. In case a line is emitted from a different file,
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(by including that file of course), then the line number will be
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absolute. */
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extern char *xcoff_current_function_file;
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/* Names of bss and data sections. These should be unique names for each
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compilation unit. */
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extern char *xcoff_bss_section_name;
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extern char *xcoff_private_data_section_name;
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extern char *xcoff_read_only_section_name;
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/* Don't write out path name for main source file. */
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#define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE,FILENAME)
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/* Write out main source file name using ".file" rather than ".stabs". */
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#define DBX_OUTPUT_MAIN_SOURCE_FILENAME(FILE,FILENAME) \
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fprintf (FILE, "\t.file\t\"%s\"\n", FILENAME);
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#define ABS_OR_RELATIVE_LINENO(LINENO) \
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((xcoff_current_include_file \
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&& xcoff_current_include_file != xcoff_current_function_file) \
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? (LINENO) : (LINENO) - xcoff_begin_function_line)
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/* Output source line numbers via ".line" rather than ".stabd". */
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#define ASM_OUTPUT_SOURCE_LINE(FILE,LINENUM) \
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do { \
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if (xcoff_begin_function_line >= 0) \
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fprintf (FILE, "\t.line\t%d\n", ABS_OR_RELATIVE_LINENO (LINENUM)); \
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} while (0)
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/* We don't want to emit source file names in dbx style. */
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#define DBX_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
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{ \
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if (xcoff_current_include_file) \
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fprintf (FILE, "\t.ei\t\"%s\"\n", xcoff_current_include_file);\
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if (strcmp (main_input_filename, FILENAME)) \
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{ \
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fprintf (FILE, "\t.bi\t\"%s\"\n", FILENAME); \
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xcoff_current_include_file = FILENAME; \
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} \
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else \
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xcoff_current_include_file = NULL; \
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}
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/* If we are still in an include file, its end must be marked. */
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#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
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{ \
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if (xcoff_current_include_file) \
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{ \
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fprintf ((FILE), "\t.ei\t\"%s\"\n", \
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xcoff_current_include_file); \
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xcoff_current_include_file = NULL; \
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} \
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}
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/* Do not break .stabs pseudos into continuations. */
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#define DBX_CONTIN_LENGTH 0
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/* Don't try to use the `x' type-cross-reference character in DBX data.
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Also has the consequence of putting each struct, union or enum
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into a separate .stabs, containing only cross-refs to the others. */
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#define DBX_NO_XREFS
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