X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fxcoffout.h;h=124c106a8b50ed56cb091a628596fc7c8664b58d;hb=376a287d5002e5e9a5ed836fd2104d6f0292a09b;hp=432a5de9f748aba9a2103fb5965d5821635e3435;hpb=8903041dab755700de1ac492f41f33617345de50;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/xcoffout.h b/gcc/xcoffout.h index 432a5de9f74..124c106a8b5 100644 --- a/gcc/xcoffout.h +++ b/gcc/xcoffout.h @@ -1,7 +1,24 @@ /* XCOFF definitions. These are needed in dbxout.c, final.c, - and xcoffout.h. */ + and xcoffout.h. + Copyright (C) 1998, 2000, 2002, 2003, 2004, 2007, 2008 + 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 +. */ -#define ASM_STABS_OP ".stabx" /* Tags and typedefs are C_DECL in XCOFF, not C_LSYM. */ @@ -9,15 +26,8 @@ /* 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); \ -} +#define DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER(TYPE) \ + xcoff_assign_fundamental_type_number (TYPE) /* Any type with a negative type index has already been output. */ @@ -28,38 +38,22 @@ #define DBX_STATIC_CONST_VAR_CODE N_STSYM -/* For static variables, output code to define the start of a static block. - - ??? The IBM rs6000/AIX assembler has a bug that causes bss block debug - info to be occasionally lost. A simple example is this: - int a; static int b; - The commands `gcc -g -c tmp.c; dump -t tmp.o' gives -[10] m 0x00000016 1 0 0x8f 0x0000 .bs -[11] m 0x00000000 1 0 0x90 0x0000 .es -... -[21] m 0x00000000 -2 0 0x85 0x0000 b:S-1 - which is wrong. The `b:S-1' must be between the `.bs' and `.es'. - We can apparently work around the problem by forcing the text section - (even if we are already in the text section) immediately before outputting - the `.bs'. This should be fixed in the next major AIX release (3.3?). */ +/* 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), "%s\n", TEXT_SECTION_ASM_OP); \ - fprintf ((ASMFILE), "\t.bs\t%s\n", xcoff_bss_section_name); \ - } \ + 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"); \ + if ((CODE) == N_STSYM || (CODE) == N_LCSYM) \ + fputs ("\t.es\n", (ASMFILE)); \ } /* We must use N_RPYSM instead of N_RSYM for register parameters. */ @@ -73,32 +67,40 @@ /* 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 = XSTR (current_sym_addr, 0); \ - if (*_p == '*') \ - fprintf (asmfile, "%s", _p+1); \ - else \ - for (; *_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) \ - assemble_name (asmfile, XSTR (XEXP (DECL_RTL (sym), 0), 0)); \ - else \ - fprintf (asmfile, "%d", current_sym_value); \ - fprintf (asmfile, ",%d,0\n", stab_to_sclass (current_sym_code)); \ -} +#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 != '$' ? *_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. */ @@ -115,21 +117,9 @@ #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; +extern const char *xcoff_current_include_file; /* Names of bss and data sections. These should be unique names for each compilation unit. */ @@ -140,30 +130,33 @@ extern char *xcoff_read_only_section_name; /* Last source file name mentioned in a NOTE insn. */ -extern char *xcoff_lastfile; +extern const char *xcoff_lastfile; /* Don't write out path name for main source file. */ -#define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE,FILENAME) +#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. ASM_FILE_START in config/rs6000/rs6000.h - is already emitting a .file directory, so we don't output one here also. + 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 = input_file_name + 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) \ { \ - fprintf (FILE, "\t.ei\t"); \ - output_quoted_string (FILE, xcoff_current_include_file); \ - fprintf (FILE, "\n"); \ + 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 @@ -178,3 +171,15 @@ extern char *xcoff_lastfile; 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 *, int, bool);