/* Output xcoff-format symbol table information from GNU compiler.
- Copyright (C) 1992, 1994, 1995, 1997, 1998, 1999, 2000
- Free Software Foundation, Inc.
+ Copyright (C) 1992, 1994, 1995, 1997, 1998, 1999, 2000, 2002, 2003, 2004,
+ 2007, 2008, 2010 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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 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.
-GNU CC 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.
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Output xcoff-format symbol table data. The main functionality is contained
in dbxout.c. This file implements the sdbout-like parts of the xcoff
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "tree.h"
#include "rtl.h"
#include "flags.h"
-#include "toplev.h"
+#include "diagnostic-core.h"
#include "output.h"
#include "ggc.h"
+#include "target.h"
+#include "debug.h"
#ifdef XCOFF_DEBUGGING_INFO
/* This defines the C_* storage classes. */
-#include "dbxstclass.h"
+#include "xcoff.h"
#include "xcoffout.h"
#include "dbxout.h"
#include "gstab.h"
#define ABS_OR_RELATIVE_LINENO(LINENO) \
((xcoff_inlining) ? (LINENO) : (LINENO) - xcoff_begin_function_line)
-/* Output source line numbers via ".line" rather than ".stabd". */
-#define ASM_OUTPUT_SOURCE_LINE(FILE,LINENUM) \
- do { \
- if (xcoff_begin_function_line >= 0) \
- fprintf (FILE, "\t.line\t%d\n", ABS_OR_RELATIVE_LINENO (LINENUM)); \
- } while (0)
+/* Output source line numbers via ".line". */
+#define ASM_OUTPUT_LINE(FILE,LINENUM) \
+ do \
+ { \
+ /* Make sure we're in a function and prevent output of .line 0, as \
+ line # 0 is meant for symbol addresses in xcoff. Additionally, \
+ line numbers are 'unsigned short' in 32-bit mode. */ \
+ if (xcoff_begin_function_line >= 0) \
+ { \
+ int lno = ABS_OR_RELATIVE_LINENO (LINENUM); \
+ if (lno > 0 && (TARGET_64BIT || lno <= (int)USHRT_MAX)) \
+ fprintf (FILE, "\t.line\t%d\n", lno); \
+ } \
+ } \
+ while (0)
#define ASM_OUTPUT_LFB(FILE,LINENUM) \
{ \
? xcoff_current_include_file : main_input_filename); \
}
-#define ASM_OUTPUT_LFE(FILE,LINENUM) \
- do { \
- fprintf (FILE, "\t.ef\t%d\n", (LINENUM)); \
- xcoff_begin_function_line = -1; \
- } while (0)
+#define ASM_OUTPUT_LFE(FILE,LINENUM) \
+ do \
+ { \
+ fprintf (FILE, "\t.ef\t%d\n", (LINENUM)); \
+ xcoff_begin_function_line = -1; \
+ } \
+ while (0)
#define ASM_OUTPUT_LBB(FILE,LINENUM,BLOCKNUM) \
fprintf (FILE, "\t.bb\t%d\n", ABS_OR_RELATIVE_LINENO (LINENUM))
#define ASM_OUTPUT_LBE(FILE,LINENUM,BLOCKNUM) \
fprintf (FILE, "\t.eb\t%d\n", ABS_OR_RELATIVE_LINENO (LINENUM))
-static void assign_type_number PARAMS ((tree, const char *, int));
-static void xcoffout_block PARAMS ((tree, int, tree));
-static void xcoffout_source_file PARAMS ((FILE *, const char *, int));
+static void xcoffout_block (tree, int, tree);
+static void xcoffout_source_file (FILE *, const char *, int);
\f
/* Support routines for XCOFF debugging info. */
-/* Assign NUMBER as the stabx type number for the type described by NAME.
- Search all decls in the list SYMS to find the type NAME. */
-
-static void
-assign_type_number (syms, name, number)
- tree syms;
- const char *name;
- int number;
-{
- tree decl;
-
- for (decl = syms; decl; decl = TREE_CHAIN (decl))
- if (DECL_NAME (decl)
- && strcmp (IDENTIFIER_POINTER (DECL_NAME (decl)), name) == 0)
- {
- TREE_ASM_WRITTEN (decl) = 1;
- TYPE_SYMTAB_ADDRESS (TREE_TYPE (decl)) = number;
- }
-}
-
-/* Setup gcc primitive types to use the XCOFF built-in type numbers where
- possible. */
-
-void
-xcoff_output_standard_types (syms)
- tree syms;
+struct xcoff_type_number
{
- /* Handle built-in C types here. */
-
- assign_type_number (syms, "int", -1);
- assign_type_number (syms, "char", -2);
- assign_type_number (syms, "short int", -3);
- assign_type_number (syms, "long int", (TARGET_64BIT ? -31 : -4));
- assign_type_number (syms, "unsigned char", -5);
- assign_type_number (syms, "signed char", -6);
- assign_type_number (syms, "short unsigned int", -7);
- assign_type_number (syms, "unsigned int", -8);
+ const char *name;
+ int number;
+};
+static const struct xcoff_type_number xcoff_type_numbers[] = {
+ { "int", -1 },
+ { "char", -2 },
+ { "short int", -3 },
+ { "long int", -4 }, /* fiddled to -31 if 64 bits */
+ { "unsigned char", -5 },
+ { "signed char", -6 },
+ { "short unsigned int", -7 },
+ { "unsigned int", -8 },
/* No such type "unsigned". */
- assign_type_number (syms, "long unsigned int", (TARGET_64BIT ? -32 : -10));
- assign_type_number (syms, "void", -11);
- assign_type_number (syms, "float", -12);
- assign_type_number (syms, "double", -13);
- assign_type_number (syms, "long double", -14);
+ { "long unsigned int", -10 }, /* fiddled to -32 if 64 bits */
+ { "void", -11 },
+ { "float", -12 },
+ { "double", -13 },
+ { "long double", -14 },
/* Pascal and Fortran types run from -15 to -29. */
- assign_type_number (syms, "wchar", -30);
- assign_type_number (syms, "long long int", -31);
- assign_type_number (syms, "long long unsigned int", -32);
+ { "wchar", -30 }, /* XXX Should be "wchar_t" ? */
+ { "long long int", -31 },
+ { "long long unsigned int", -32 },
/* Additional Fortran types run from -33 to -37. */
/* ??? Should also handle built-in C++ and Obj-C types. There perhaps
aren't any that C doesn't already have. */
+};
+
+/* Returns an XCOFF fundamental type number for DECL (assumed to be a
+ TYPE_DECL), or 0 if dbxout.c should assign a type number normally. */
+int
+xcoff_assign_fundamental_type_number (tree decl)
+{
+ const char *name;
+ size_t i;
+
+ /* Do not waste time searching the list for non-intrinsic types. */
+ if (DECL_NAME (decl) == 0 || ! DECL_IS_BUILTIN (decl))
+ return 0;
+
+ name = IDENTIFIER_POINTER (DECL_NAME (decl));
+
+ /* Linear search, blech, but the list is too small to bother
+ doing anything else. */
+ for (i = 0; i < ARRAY_SIZE (xcoff_type_numbers); i++)
+ if (!strcmp (xcoff_type_numbers[i].name, name))
+ goto found;
+ return 0;
+
+ found:
+ /* -4 and -10 should be replaced with -31 and -32, respectively,
+ when used for a 64-bit type. */
+ if (int_size_in_bytes (TREE_TYPE (decl)) == 8)
+ {
+ if (xcoff_type_numbers[i].number == -4)
+ return -31;
+ if (xcoff_type_numbers[i].number == -10)
+ return -32;
+ }
+ return xcoff_type_numbers[i].number;
}
/* Print an error message for unrecognized stab codes. */
#define UNKNOWN_STAB(STR) \
- internal_error ("No sclass for %s stab (0x%x)\n", STR, stab)
+ internal_error ("no sclass for %s stab (0x%x)", STR, stab)
/* Conversion routine from BSD stabs to AIX storage classes. */
int
-stab_to_sclass (stab)
- int stab;
+stab_to_sclass (int stab)
{
switch (stab)
{
INLINE_P is true if this is from an inlined function. */
static void
-xcoffout_source_file (file, filename, inline_p)
- FILE *file;
- const char *filename;
- int inline_p;
+xcoffout_source_file (FILE *file, const char *filename, int inline_p)
{
if (filename
&& (xcoff_lastfile == 0 || strcmp (filename, xcoff_lastfile)
if (xcoff_current_include_file)
{
fprintf (file, "\t.ei\t");
- output_quoted_string (file, xcoff_current_include_file);
+ output_quoted_string (file,
+ remap_debug_filename (xcoff_current_include_file));
fprintf (file, "\n");
xcoff_current_include_file = NULL;
}
if (strcmp (main_input_filename, filename) || inline_p)
{
fprintf (file, "\t.bi\t");
- output_quoted_string (file, filename);
+ output_quoted_string (file, remap_debug_filename (filename));
fprintf (file, "\n");
xcoff_current_include_file = filename;
}
}
}
-/* Output a line number symbol entry into output stream FILE,
- for source file FILENAME and line number NOTE. */
+/* Output a line number symbol entry for location (FILENAME, LINE). */
void
-xcoffout_source_line (file, filename, note)
- FILE *file;
- const char *filename;
- rtx note;
+xcoffout_source_line (unsigned int line, const char *filename,
+ int discriminator ATTRIBUTE_UNUSED,
+ bool is_stmt ATTRIBUTE_UNUSED)
{
- xcoffout_source_file (file, filename, RTX_INTEGRATED_P (note));
+ bool inline_p = (strcmp (xcoff_current_function_file, filename) != 0
+ || (int) line < xcoff_begin_function_line);
+
+ xcoffout_source_file (asm_out_file, filename, inline_p);
- ASM_OUTPUT_SOURCE_LINE (file, NOTE_LINE_NUMBER (note));
+ ASM_OUTPUT_LINE (asm_out_file, line);
}
\f
/* Output the symbols defined in block number DO_BLOCK.
static int do_block = 0;
static void
-xcoffout_block (block, depth, args)
- register tree block;
- int depth;
- tree args;
+xcoffout_block (tree block, int depth, tree args)
{
while (block)
{
if the count starts at 0 for the outermost one. */
void
-xcoffout_begin_block (file, line, n)
- FILE *file;
- int line;
- int n;
+xcoffout_begin_block (unsigned int line, unsigned int n)
{
tree decl = current_function_decl;
/* The IBM AIX compiler does not emit a .bb for the function level scope,
so we avoid it here also. */
if (n != 1)
- ASM_OUTPUT_LBB (file, line, n);
+ ASM_OUTPUT_LBB (asm_out_file, line, n);
do_block = n;
xcoffout_block (DECL_INITIAL (decl), 0, DECL_ARGUMENTS (decl));
/* Describe the end line-number of an internal block within a function. */
void
-xcoffout_end_block (file, line, n)
- FILE *file;
- int line;
- int n;
+xcoffout_end_block (unsigned int line, unsigned int n)
{
if (n != 1)
- ASM_OUTPUT_LBE (file, line, n);
+ ASM_OUTPUT_LBE (asm_out_file, line, n);
}
/* Called at beginning of function (before prologue).
Declare function as needed for debugging. */
void
-xcoffout_declare_function (file, decl, name)
- FILE *file;
- tree decl;
- const char *name;
+xcoffout_declare_function (FILE *file, tree decl, const char *name)
{
- int i;
+ size_t len;
if (*name == '*')
name++;
- else
- for (i = 0; name[i]; ++i)
- {
- if (name[i] == '[')
- {
- char *n = (char *) alloca (i + 1);
- strncpy (n, name, i);
- n[i] = '\0';
- name = n;
- break;
- }
- }
+ len = strlen (name);
+ if (name[len - 1] == ']')
+ {
+ char *n = XALLOCAVEC (char, len - 3);
+ memcpy (n, name, len - 4);
+ n[len - 4] = '\0';
+ name = n;
+ }
/* Any pending .bi or .ei must occur before the .function pseudo op.
Otherwise debuggers will think that the function is in the previous
name, name, name, name);
}
-/* Called at beginning of function body (after prologue).
+/* Called at beginning of function body (at start of prologue).
Record the function's starting line number, so we can output
relative line numbers for the other lines.
Record the file name that this function is contained in. */
void
-xcoffout_begin_function (file, last_linenum)
- FILE *file;
- int last_linenum;
+xcoffout_begin_prologue (unsigned int line,
+ const char *file ATTRIBUTE_UNUSED)
{
- ASM_OUTPUT_LFB (file, last_linenum);
+ ASM_OUTPUT_LFB (asm_out_file, line);
dbxout_parms (DECL_ARGUMENTS (current_function_decl));
/* Emit the symbols for the outermost BLOCK's variables. sdbout.c does this
xcoffout_block (DECL_INITIAL (current_function_decl), 0,
DECL_ARGUMENTS (current_function_decl));
- ASM_OUTPUT_SOURCE_LINE (file, last_linenum);
+ ASM_OUTPUT_LINE (asm_out_file, line);
}
/* Called at end of function (before epilogue).
Describe end of outermost block. */
void
-xcoffout_end_function (file, last_linenum)
- FILE *file;
- int last_linenum;
+xcoffout_end_function (unsigned int last_linenum)
{
- ASM_OUTPUT_LFE (file, last_linenum);
+ ASM_OUTPUT_LFE (asm_out_file, last_linenum);
}
/* Output xcoff info for the absolute end of a function.
Called after the epilogue is output. */
void
-xcoffout_end_epilogue (file)
- FILE *file;
+xcoffout_end_epilogue (unsigned int line ATTRIBUTE_UNUSED,
+ const char *file ATTRIBUTE_UNUSED)
{
/* We need to pass the correct function size to .function, otherwise,
the xas assembler can't figure out the correct size for the function
const char *fname = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0);
if (*fname == '*')
++fname;
- fprintf (file, "FE..");
- ASM_OUTPUT_LABEL (file, fname);
+ fprintf (asm_out_file, "FE..");
+ ASM_OUTPUT_LABEL (asm_out_file, fname);
}
#endif /* XCOFF_DEBUGGING_INFO */
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