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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [xcoffout.h] - Rev 245
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/* XCOFF definitions. These are needed in dbxout.c, final.c, and xcoffout.h. Copyright (C) 1998, 2000, 2002, 2003, 2004, 2007 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 3, 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 COPYING3. If not see <http://www.gnu.org/licenses/>. */ /* 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 *);
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