diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/xcoffout.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/xcoffout.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/xcoffout.h b/gcc-4.2.1-5666.3/gcc/xcoffout.h new file mode 100644 index 000000000..1ac018179 --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/xcoffout.h @@ -0,0 +1,186 @@ +/* XCOFF definitions. These are needed in dbxout.c, final.c, + and xcoffout.h. + Copyright (C) 1998, 2000, 2002, 2003, 2004 + Free Software Foundation, 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. */ + + +/* Tags and typedefs are C_DECL in XCOFF, not C_LSYM. */ + +#define DBX_TYPE_DECL_STABS_CODE N_DECL + +/* Use the XCOFF predefined type numbers. */ + +#define DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER(TYPE) \ + xcoff_assign_fundamental_type_number (TYPE) + +/* 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 ((CODE) == N_STSYM || (CODE) == N_LCSYM) \ + fputs ("\t.es\n", (ASMFILE)); \ +} + +/* 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_STABS(SYM, CODE, LINE, ADDR, LABEL, NUMBER) do { \ + if (ADDR) \ + { \ + /* If we are writing a function name, we must emit a dot in \ + order to refer to the function code, not its descriptor. */ \ + if (CODE == N_FUN) \ + putc ('.', asm_out_file); \ + \ + /* If we are writing a function name, we must ensure that \ + there is no storage-class suffix on the name. */ \ + if (CODE == N_FUN && GET_CODE (ADDR) == SYMBOL_REF) \ + { \ + const char *_p = XSTR (ADDR, 0); \ + if (*_p == '*') \ + fputs (_p+1, asm_out_file); \ + else \ + for (; *_p != '[' && *_p; _p++) \ + putc (*_p, asm_out_file); \ + } \ + else \ + output_addr_const (asm_out_file, ADDR); \ + } \ + /* Another special case: N_GSYM always gets the symbol name, \ + whether or not LABEL or NUMBER are set. */ \ + else if (CODE == N_GSYM) \ + assemble_name (asm_out_file, XSTR (XEXP (DECL_RTL (SYM), 0), 0)); \ + else if (LABEL) \ + assemble_name (asm_out_file, LABEL); \ + else \ + dbxout_int (NUMBER); \ + putc (',', asm_out_file); \ + dbxout_int (stab_to_sclass (CODE)); \ + fputs (",0\n", asm_out_file); \ +} while (0) + +/* 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 + +/* Name of the current include file. */ + +extern const char *xcoff_current_include_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; + +/* Last source file name mentioned in a NOTE insn. */ + +extern const char *xcoff_lastfile; + +/* Don't write out path name for main source file. */ +#define NO_DBX_MAIN_SOURCE_DIRECTORY 1 + +/* Write out main source file name using ".file" rather than ".stabs". + We don't actually do this here, because the assembler gets confused if there + is more than one .file directive. rs6000_xcoff_file_start is already + emitting a .file directory, so we don't output one here also. + Initialize xcoff_lastfile. */ +#define DBX_OUTPUT_MAIN_SOURCE_FILENAME(FILE,FILENAME) \ + xcoff_lastfile = (FILENAME) + +/* If we are still in an include file, its end must be marked. */ +#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \ +do { \ + if (xcoff_current_include_file) \ + { \ + fputs ("\t.ei\t", (FILE)); \ + output_quoted_string ((FILE), xcoff_current_include_file); \ + putc ('\n', (FILE)); \ + xcoff_current_include_file = NULL; \ + } \ +} while (0) + +/* Do not emit any marker for XCOFF until assembler allows XFT_CV. */ +#define NO_DBX_GCC_MARKER + +/* 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 + +/* We must put stabs in the text section. If we don't the assembler + won't handle them correctly; it will sometimes put stabs where gdb + can't find them. */ + +#define DEBUG_SYMS_TEXT + +/* Prototype functions in xcoffout.c. */ + +extern int stab_to_sclass (int); +extern void xcoffout_begin_prologue (unsigned int, const char *); +extern void xcoffout_begin_block (unsigned, unsigned); +extern void xcoffout_end_epilogue (unsigned int, const char *); +extern void xcoffout_end_function (unsigned int); +extern void xcoffout_end_block (unsigned, unsigned); +extern int xcoff_assign_fundamental_type_number (tree); +extern void xcoffout_declare_function (FILE *, tree, const char *); +extern void xcoffout_source_line (unsigned int, const char *); |