diff options
Diffstat (limited to 'gcc/xcoffout.h')
| -rw-r--r-- | gcc/xcoffout.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/gcc/xcoffout.h b/gcc/xcoffout.h new file mode 100644 index 00000000000..e6da7403011 --- /dev/null +++ b/gcc/xcoffout.h @@ -0,0 +1,172 @@ +/* XCOFF definitions. These are needed in dbxout.c, final.c, + and xcoffout.h. */ + +#define ASM_STABS_OP ".stabx" + +/* Tags and typedefs are C_DECL in XCOFF, not C_LSYM. */ + +#define DBX_DECL_STABS_CODE N_DECL + +/* Use the XCOFF predefined type numbers. */ + +/* ??? According to metin, typedef stabx must go in text control section, + but he did not make this changes everywhere where such typedef stabx + can be emitted, so it is really needed or not? */ + +#define DBX_OUTPUT_STANDARD_TYPES(SYMS) \ +{ \ + text_section (); \ + xcoff_output_standard_types (SYMS); \ +} + +/* Any type with a negative type index has already been output. */ + +#define DBX_TYPE_DEFINED(TYPE) (TYPE_SYMTAB_ADDRESS (TYPE) < 0) + +/* Must use N_STSYM for static const variables (those in the text section) + instead of N_FUN. */ + +#define DBX_STATIC_CONST_VAR_CODE N_STSYM + +/* For static variables, output code to define the start of a static block. */ + +#define DBX_STATIC_BLOCK_START(ASMFILE,CODE) \ +{ \ + if ((CODE) == N_STSYM) \ + fprintf ((ASMFILE), "\t.bs\t%s[RW]\n", xcoff_private_data_section_name);\ + else if ((CODE) == N_LCSYM) \ + fprintf ((ASMFILE), "\t.bs\t%s\n", xcoff_bss_section_name); \ +} + +/* For static variables, output code to define the end of a static block. */ + +#define DBX_STATIC_BLOCK_END(ASMFILE,CODE) \ +{ \ + if (current_sym_code == N_STSYM || current_sym_code == N_LCSYM) \ + fprintf (asmfile, "\t.es\n"); \ +} + +/* We must use N_RPYSM instead of N_RSYM for register parameters. */ + +#define DBX_REGPARM_STABS_CODE N_RPSYM + +/* We must use 'R' instead of 'P' for register parameters. */ + +#define DBX_REGPARM_STABS_LETTER 'R' + +/* Define our own finish symbol function, since xcoff stabs have their + own different format. */ + +#define DBX_FINISH_SYMBOL(SYM) \ +{ \ + if (current_sym_addr && current_sym_code == N_FUN) \ + fprintf (asmfile, "\",."); \ + else \ + fprintf (asmfile, "\","); \ + /* If we are writing a function name, we must ensure that \ + there is no storage-class suffix on the name. */ \ + if (current_sym_addr && current_sym_code == N_FUN \ + && GET_CODE (current_sym_addr) == SYMBOL_REF) \ + { \ + char *_p; \ + for (_p = XSTR (current_sym_addr, 0); *_p != '[' && *_p; _p++) \ + fprintf (asmfile, "%c", *_p); \ + } \ + else if (current_sym_addr) \ + output_addr_const (asmfile, current_sym_addr); \ + else if (current_sym_code == N_GSYM) \ + fprintf (asmfile, "%s", IDENTIFIER_POINTER (DECL_NAME (SYM))); \ + else \ + fprintf (asmfile, "%d", current_sym_value); \ + fprintf (asmfile, ",%d,0\n", stab_to_sclass (current_sym_code)); \ +} + +/* These are IBM XCOFF extensions we need to reference in dbxout.c + and xcoffout.c. */ + +/* AIX XCOFF uses this for typedefs. This can have any value, since it is + only used for translation into a C_DECL storage class. */ +#ifndef N_DECL +#define N_DECL 0x8c +#endif +/* AIX XCOFF uses this for parameters passed in registers. This can have + any value, since it is only used for translation into a C_RPSYM storage + class. */ +#ifndef N_RPSYM +#define N_RPSYM 0x8e +#endif + +/* The line number of the beginning of the current function. + xcoffout.c needs this so that it can output relative linenumbers. */ + +extern int xcoff_begin_function_line; + +/* Name of the current include file. */ + +extern char *xcoff_current_include_file; + +/* Name of the current function file. This is the file the `.bf' is + emitted from. In case a line is emitted from a different file, + (by including that file of course), then the line number will be + absolute. */ + +extern char *xcoff_current_function_file; + +/* Names of bss and data sections. These should be unique names for each + compilation unit. */ + +extern char *xcoff_bss_section_name; +extern char *xcoff_private_data_section_name; +extern char *xcoff_read_only_section_name; + +/* Don't write out path name for main source file. */ +#define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE,FILENAME) + +/* Write out main source file name using ".file" rather than ".stabs". */ +#define DBX_OUTPUT_MAIN_SOURCE_FILENAME(FILE,FILENAME) \ + fprintf (FILE, "\t.file\t\"%s\"\n", FILENAME); + +#define ABS_OR_RELATIVE_LINENO(LINENO) \ +((xcoff_current_include_file \ + && xcoff_current_include_file != xcoff_current_function_file) \ + ? (LINENO) : (LINENO) - xcoff_begin_function_line) + +/* Output source line numbers via ".line" rather than ".stabd". */ +#define ASM_OUTPUT_SOURCE_LINE(FILE,LINENUM) \ + do { \ + if (xcoff_begin_function_line >= 0) \ + fprintf (FILE, "\t.line\t%d\n", ABS_OR_RELATIVE_LINENO (LINENUM)); \ + } while (0) + +/* We don't want to emit source file names in dbx style. */ +#define DBX_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ +{ \ + if (xcoff_current_include_file) \ + fprintf (FILE, "\t.ei\t\"%s\"\n", xcoff_current_include_file);\ + if (strcmp (main_input_filename, FILENAME)) \ + { \ + fprintf (FILE, "\t.bi\t\"%s\"\n", FILENAME); \ + xcoff_current_include_file = FILENAME; \ + } \ + else \ + xcoff_current_include_file = NULL; \ +} + +/* If we are still in an include file, its end must be marked. */ +#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ +{ \ + if (xcoff_current_include_file) \ + { \ + fprintf ((FILE), "\t.ei\t\"%s\"\n", \ + xcoff_current_include_file); \ + xcoff_current_include_file = NULL; \ + } \ +} + +/* Do not break .stabs pseudos into continuations. */ +#define DBX_CONTIN_LENGTH 0 + +/* Don't try to use the `x' type-cross-reference character in DBX data. + Also has the consequence of putting each struct, union or enum + into a separate .stabs, containing only cross-refs to the others. */ +#define DBX_NO_XREFS |