| 1 |
280 |
jeremybenn |
/* XCOFF definitions. These are needed in dbxout.c, final.c,
|
| 2 |
|
|
and xcoffout.h.
|
| 3 |
|
|
Copyright (C) 1998, 2000, 2002, 2003, 2004, 2007, 2008
|
| 4 |
|
|
Free Software Foundation, Inc.
|
| 5 |
|
|
|
| 6 |
|
|
This file is part of GCC.
|
| 7 |
|
|
|
| 8 |
|
|
GCC is free software; you can redistribute it and/or modify it under
|
| 9 |
|
|
the terms of the GNU General Public License as published by the Free
|
| 10 |
|
|
Software Foundation; either version 3, or (at your option) any later
|
| 11 |
|
|
version.
|
| 12 |
|
|
|
| 13 |
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
| 14 |
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 15 |
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 16 |
|
|
for more details.
|
| 17 |
|
|
|
| 18 |
|
|
You should have received a copy of the GNU General Public License
|
| 19 |
|
|
along with GCC; see the file COPYING3. If not see
|
| 20 |
|
|
<http://www.gnu.org/licenses/>. */
|
| 21 |
|
|
|
| 22 |
|
|
|
| 23 |
|
|
/* Tags and typedefs are C_DECL in XCOFF, not C_LSYM. */
|
| 24 |
|
|
|
| 25 |
|
|
#define DBX_TYPE_DECL_STABS_CODE N_DECL
|
| 26 |
|
|
|
| 27 |
|
|
/* Use the XCOFF predefined type numbers. */
|
| 28 |
|
|
|
| 29 |
|
|
#define DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER(TYPE) \
|
| 30 |
|
|
xcoff_assign_fundamental_type_number (TYPE)
|
| 31 |
|
|
|
| 32 |
|
|
/* Any type with a negative type index has already been output. */
|
| 33 |
|
|
|
| 34 |
|
|
#define DBX_TYPE_DEFINED(TYPE) (TYPE_SYMTAB_ADDRESS (TYPE) < 0)
|
| 35 |
|
|
|
| 36 |
|
|
/* Must use N_STSYM for static const variables (those in the text section)
|
| 37 |
|
|
instead of N_FUN. */
|
| 38 |
|
|
|
| 39 |
|
|
#define DBX_STATIC_CONST_VAR_CODE N_STSYM
|
| 40 |
|
|
|
| 41 |
|
|
/* For static variables, output code to define the start of a static block. */
|
| 42 |
|
|
|
| 43 |
|
|
#define DBX_STATIC_BLOCK_START(ASMFILE,CODE) \
|
| 44 |
|
|
{ \
|
| 45 |
|
|
if ((CODE) == N_STSYM) \
|
| 46 |
|
|
fprintf ((ASMFILE), "\t.bs\t%s[RW]\n", xcoff_private_data_section_name);\
|
| 47 |
|
|
else if ((CODE) == N_LCSYM) \
|
| 48 |
|
|
fprintf ((ASMFILE), "\t.bs\t%s\n", xcoff_bss_section_name); \
|
| 49 |
|
|
}
|
| 50 |
|
|
|
| 51 |
|
|
/* For static variables, output code to define the end of a static block. */
|
| 52 |
|
|
|
| 53 |
|
|
#define DBX_STATIC_BLOCK_END(ASMFILE,CODE) \
|
| 54 |
|
|
{ \
|
| 55 |
|
|
if ((CODE) == N_STSYM || (CODE) == N_LCSYM) \
|
| 56 |
|
|
fputs ("\t.es\n", (ASMFILE)); \
|
| 57 |
|
|
}
|
| 58 |
|
|
|
| 59 |
|
|
/* We must use N_RPYSM instead of N_RSYM for register parameters. */
|
| 60 |
|
|
|
| 61 |
|
|
#define DBX_REGPARM_STABS_CODE N_RPSYM
|
| 62 |
|
|
|
| 63 |
|
|
/* We must use 'R' instead of 'P' for register parameters. */
|
| 64 |
|
|
|
| 65 |
|
|
#define DBX_REGPARM_STABS_LETTER 'R'
|
| 66 |
|
|
|
| 67 |
|
|
/* Define our own finish symbol function, since xcoff stabs have their
|
| 68 |
|
|
own different format. */
|
| 69 |
|
|
|
| 70 |
|
|
#define DBX_FINISH_STABS(SYM, CODE, LINE, ADDR, LABEL, NUMBER) do { \
|
| 71 |
|
|
if (ADDR) \
|
| 72 |
|
|
{ \
|
| 73 |
|
|
/* If we are writing a function name, we must emit a dot in \
|
| 74 |
|
|
order to refer to the function code, not its descriptor. */ \
|
| 75 |
|
|
if (CODE == N_FUN) \
|
| 76 |
|
|
putc ('.', asm_out_file); \
|
| 77 |
|
|
\
|
| 78 |
|
|
/* If we are writing a function name, we must ensure that \
|
| 79 |
|
|
there is no storage-class suffix on the name. */ \
|
| 80 |
|
|
if (CODE == N_FUN && GET_CODE (ADDR) == SYMBOL_REF) \
|
| 81 |
|
|
{ \
|
| 82 |
|
|
const char *_p = XSTR (ADDR, 0); \
|
| 83 |
|
|
if (*_p == '*') \
|
| 84 |
|
|
fputs (_p+1, asm_out_file); \
|
| 85 |
|
|
else \
|
| 86 |
|
|
for (; *_p != '[' && *_p; _p++) \
|
| 87 |
|
|
putc (*_p != '$' ? *_p : '_', asm_out_file); \
|
| 88 |
|
|
} \
|
| 89 |
|
|
else \
|
| 90 |
|
|
output_addr_const (asm_out_file, ADDR); \
|
| 91 |
|
|
} \
|
| 92 |
|
|
/* Another special case: N_GSYM always gets the symbol name, \
|
| 93 |
|
|
whether or not LABEL or NUMBER are set. */ \
|
| 94 |
|
|
else if (CODE == N_GSYM) \
|
| 95 |
|
|
assemble_name (asm_out_file, XSTR (XEXP (DECL_RTL (SYM), 0), 0)); \
|
| 96 |
|
|
else if (LABEL) \
|
| 97 |
|
|
assemble_name (asm_out_file, LABEL); \
|
| 98 |
|
|
else \
|
| 99 |
|
|
dbxout_int (NUMBER); \
|
| 100 |
|
|
putc (',', asm_out_file); \
|
| 101 |
|
|
dbxout_int (stab_to_sclass (CODE)); \
|
| 102 |
|
|
fputs (",0\n", asm_out_file); \
|
| 103 |
|
|
} while (0)
|
| 104 |
|
|
|
| 105 |
|
|
/* These are IBM XCOFF extensions we need to reference in dbxout.c
|
| 106 |
|
|
and xcoffout.c. */
|
| 107 |
|
|
|
| 108 |
|
|
/* AIX XCOFF uses this for typedefs. This can have any value, since it is
|
| 109 |
|
|
only used for translation into a C_DECL storage class. */
|
| 110 |
|
|
#ifndef N_DECL
|
| 111 |
|
|
#define N_DECL 0x8c
|
| 112 |
|
|
#endif
|
| 113 |
|
|
/* AIX XCOFF uses this for parameters passed in registers. This can have
|
| 114 |
|
|
any value, since it is only used for translation into a C_RPSYM storage
|
| 115 |
|
|
class. */
|
| 116 |
|
|
#ifndef N_RPSYM
|
| 117 |
|
|
#define N_RPSYM 0x8e
|
| 118 |
|
|
#endif
|
| 119 |
|
|
|
| 120 |
|
|
/* Name of the current include file. */
|
| 121 |
|
|
|
| 122 |
|
|
extern const char *xcoff_current_include_file;
|
| 123 |
|
|
|
| 124 |
|
|
/* Names of bss and data sections. These should be unique names for each
|
| 125 |
|
|
compilation unit. */
|
| 126 |
|
|
|
| 127 |
|
|
extern char *xcoff_bss_section_name;
|
| 128 |
|
|
extern char *xcoff_private_data_section_name;
|
| 129 |
|
|
extern char *xcoff_read_only_section_name;
|
| 130 |
|
|
|
| 131 |
|
|
/* Last source file name mentioned in a NOTE insn. */
|
| 132 |
|
|
|
| 133 |
|
|
extern const char *xcoff_lastfile;
|
| 134 |
|
|
|
| 135 |
|
|
/* Don't write out path name for main source file. */
|
| 136 |
|
|
#define NO_DBX_MAIN_SOURCE_DIRECTORY 1
|
| 137 |
|
|
|
| 138 |
|
|
/* Write out main source file name using ".file" rather than ".stabs".
|
| 139 |
|
|
We don't actually do this here, because the assembler gets confused if there
|
| 140 |
|
|
is more than one .file directive. rs6000_xcoff_file_start is already
|
| 141 |
|
|
emitting a .file directory, so we don't output one here also.
|
| 142 |
|
|
Initialize xcoff_lastfile. */
|
| 143 |
|
|
#define DBX_OUTPUT_MAIN_SOURCE_FILENAME(FILE,FILENAME) \
|
| 144 |
|
|
xcoff_lastfile = (FILENAME)
|
| 145 |
|
|
|
| 146 |
|
|
/* If we are still in an include file, its end must be marked. */
|
| 147 |
|
|
#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME) \
|
| 148 |
|
|
do { \
|
| 149 |
|
|
if (xcoff_current_include_file) \
|
| 150 |
|
|
{ \
|
| 151 |
|
|
fputs ("\t.ei\t", (FILE)); \
|
| 152 |
|
|
output_quoted_string ((FILE), xcoff_current_include_file); \
|
| 153 |
|
|
putc ('\n', (FILE)); \
|
| 154 |
|
|
xcoff_current_include_file = NULL; \
|
| 155 |
|
|
} \
|
| 156 |
|
|
} while (0)
|
| 157 |
|
|
|
| 158 |
|
|
/* Do not emit any marker for XCOFF until assembler allows XFT_CV. */
|
| 159 |
|
|
#define NO_DBX_GCC_MARKER
|
| 160 |
|
|
|
| 161 |
|
|
/* Do not break .stabs pseudos into continuations. */
|
| 162 |
|
|
#define DBX_CONTIN_LENGTH 0
|
| 163 |
|
|
|
| 164 |
|
|
/* Don't try to use the `x' type-cross-reference character in DBX data.
|
| 165 |
|
|
Also has the consequence of putting each struct, union or enum
|
| 166 |
|
|
into a separate .stabs, containing only cross-refs to the others. */
|
| 167 |
|
|
#define DBX_NO_XREFS
|
| 168 |
|
|
|
| 169 |
|
|
/* We must put stabs in the text section. If we don't the assembler
|
| 170 |
|
|
won't handle them correctly; it will sometimes put stabs where gdb
|
| 171 |
|
|
can't find them. */
|
| 172 |
|
|
|
| 173 |
|
|
#define DEBUG_SYMS_TEXT
|
| 174 |
|
|
|
| 175 |
|
|
/* Prototype functions in xcoffout.c. */
|
| 176 |
|
|
|
| 177 |
|
|
extern int stab_to_sclass (int);
|
| 178 |
|
|
extern void xcoffout_begin_prologue (unsigned int, const char *);
|
| 179 |
|
|
extern void xcoffout_begin_block (unsigned, unsigned);
|
| 180 |
|
|
extern void xcoffout_end_epilogue (unsigned int, const char *);
|
| 181 |
|
|
extern void xcoffout_end_function (unsigned int);
|
| 182 |
|
|
extern void xcoffout_end_block (unsigned, unsigned);
|
| 183 |
|
|
extern int xcoff_assign_fundamental_type_number (tree);
|
| 184 |
|
|
extern void xcoffout_declare_function (FILE *, tree, const char *);
|
| 185 |
|
|
extern void xcoffout_source_line (unsigned int, const char *, int, bool);
|
