/* 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 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
+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
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. */
+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 for location (FILENAME, LINE). */
void
-xcoffout_source_line (line, filename)
- unsigned int line;
- const char *filename;
+xcoffout_source_line (unsigned int line, const char *filename,
+ int discriminator ATTRIBUTE_UNUSED,
+ bool is_stmt ATTRIBUTE_UNUSED)
{
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 (asm_out_file, line);
+ 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)
- 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 (line, n)
- unsigned int line;
- unsigned int n;
+xcoffout_begin_block (unsigned int line, unsigned int n)
{
tree decl = current_function_decl;
/* Describe the end line-number of an internal block within a function. */
void
-xcoffout_end_block (line, n)
- unsigned int line;
- unsigned int n;
+xcoffout_end_block (unsigned int line, unsigned int n)
{
if (n != 1)
ASM_OUTPUT_LBE (asm_out_file, line, n);
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
Record the file name that this function is contained in. */
void
-xcoffout_begin_prologue (line, file)
- unsigned int line;
- const char *file ATTRIBUTE_UNUSED;
+xcoffout_begin_prologue (unsigned int line,
+ const char *file ATTRIBUTE_UNUSED)
{
ASM_OUTPUT_LFB (asm_out_file, line);
dbxout_parms (DECL_ARGUMENTS (current_function_decl));
xcoffout_block (DECL_INITIAL (current_function_decl), 0,
DECL_ARGUMENTS (current_function_decl));
- ASM_OUTPUT_SOURCE_LINE (asm_out_file, line);
+ ASM_OUTPUT_LINE (asm_out_file, line);
}
/* Called at end of function (before epilogue).
Describe end of outermost block. */
void
-xcoffout_end_function (last_linenum)
- unsigned int last_linenum;
+xcoffout_end_function (unsigned int last_linenum)
{
ASM_OUTPUT_LFE (asm_out_file, last_linenum);
}
Called after the epilogue is output. */
void
-xcoffout_end_epilogue ()
+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
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