208 lines
6.8 KiB
C
208 lines
6.8 KiB
C
/* XCOFF definitions. These are needed in dbxout.c, final.c,
|
|
and xcoffout.h.
|
|
Copyright (C) 1998, 2000, 2002 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, 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, USA. */
|
|
|
|
|
|
#define ASM_STABS_OP "\t.stabx\t"
|
|
|
|
/* 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. */
|
|
|
|
/* ??? 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 ((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_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) \
|
|
{ \
|
|
const 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)); \
|
|
}
|
|
|
|
/* 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 DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(FILE,FILENAME)
|
|
|
|
/* 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.
|
|
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) \
|
|
{ \
|
|
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; \
|
|
} \
|
|
}
|
|
|
|
/* .stabx has the type in a different place. */
|
|
#if 0 /* Do not emit any marker for XCOFF until assembler allows XFT_CV. */
|
|
#define DBX_OUTPUT_GCC_MARKER(FILE) \
|
|
fprintf ((FILE), "%s\"%s\",0,%d,0\n", ASM_STABS_OP, STABS_GCC_MARKER, \
|
|
stab_to_sclass (N_GSYM))
|
|
#else
|
|
#define DBX_OUTPUT_GCC_MARKER(FILE)
|
|
#endif
|
|
|
|
/* 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 PARAMS ((int));
|
|
#ifdef BUFSIZ
|
|
extern void xcoffout_begin_prologue PARAMS ((unsigned int,
|
|
const char *));
|
|
extern void xcoffout_begin_block PARAMS ((unsigned, unsigned));
|
|
extern void xcoffout_end_epilogue PARAMS ((unsigned int,
|
|
const char *));
|
|
extern void xcoffout_end_function PARAMS ((unsigned int));
|
|
extern void xcoffout_end_block PARAMS ((unsigned, unsigned));
|
|
#endif /* BUFSIZ */
|
|
|
|
#ifdef TREE_CODE
|
|
extern void xcoff_output_standard_types PARAMS ((tree));
|
|
#ifdef BUFSIZ
|
|
extern void xcoffout_declare_function PARAMS ((FILE *, tree, const char *));
|
|
#endif /* BUFSIZ */
|
|
#endif /* TREE_CODE */
|
|
|
|
#ifdef RTX_CODE
|
|
#ifdef BUFSIZ
|
|
extern void xcoffout_source_line PARAMS ((unsigned int,
|
|
const char *));
|
|
#endif /* BUFSIZ */
|
|
#endif /* RTX_CODE */
|