#include "reload.h"
#include "defaults.h"
#include "output.h" /* ASM_OUTPUT_SOURCE_LINE may refer to sdb functions. */
+#include "dbxout.h"
+#include "toplev.h"
#ifdef XCOFF_DEBUGGING_INFO
#include "xcoffout.h"
#define FORCE_TEXT
#endif
-/* If there is a system stabs.h, use it. Otherwise, use our own. */
-
-#ifndef HAVE_STABS_H
-#include "gstab.h"
+/* If there is a system stab.h, use it. Otherwise, use our own. */
+/* ??? This is supposed to describe the target's stab format, so using
+ the host HAVE_STAB_H appears to be wrong. For now, we use our own file
+ when cross compiling. */
+#if defined (USG) || !defined (HAVE_STAB_H) || defined (CROSS_COMPILE)
+#include "gstab.h" /* If doing DBX on sysV, use our own stab.h. */
#else
#include <stab.h>
#endif
static void dbxout_typedefs PROTO((tree));
static void dbxout_type_index PROTO((tree));
+#if DBX_CONTIN_LENGTH > 0
static void dbxout_continue PROTO((void));
+#endif
static void dbxout_type_fields PROTO((tree));
static void dbxout_type_method_1 PROTO((tree, char *));
static void dbxout_type_methods PROTO((tree));
void
dbxout_start_new_source_file (filename)
- char *filename;
+ char *filename ATTRIBUTE_UNUSED;
{
#ifdef DBX_USE_BINCL
struct dbx_file *n = (struct dbx_file *) xmalloc (sizeof *n);
void
dbxout_finish (file, filename)
- FILE *file;
- char *filename;
+ FILE *file ATTRIBUTE_UNUSED;
+ char *filename ATTRIBUTE_UNUSED;
{
#ifdef DBX_OUTPUT_MAIN_SOURCE_FILE_END
DBX_OUTPUT_MAIN_SOURCE_FILE_END (file, filename);
#endif
}
+#if DBX_CONTIN_LENGTH > 0
/* Continue a symbol-description that gets too big.
End one symbol table entry with a double-backslash
and start a new one, eventually producing something like
fprintf (asmfile, "%s \"", ASM_STABS_OP);
current_sym_nchars = 0;
}
+#endif /* DBX_CONTIN_LENGTH > 0 */
\f
/* Subroutine of `dbxout_type'. Output the type fields of TYPE.
This must be a separate function because anonymous unions require
{
static int warned;
if (!warned)
- {
warned = 1;
-#ifdef HAVE_TEMPLATES
- if (warn_template_debugging)
- warning ("dbx info for template class methods not yet supported");
-#endif
- }
return;
}
}
were defined to be sub-ranges of int. Unfortunately, this
does not allow us to distinguish true sub-ranges from integer
types. So, instead we define integer (non-sub-range) types as
- sub-ranges of themselves. */
- dbxout_type_index (type);
+ sub-ranges of themselves. This matters for Chill. If this isn't
+ a subrange type, then we want to define it in terms of itself.
+ However, in C, this may be an anonymous integer type, and we don't
+ want to emit debug info referring to it. Just calling
+ dbxout_type_index won't work anyways, because the type hasn't been
+ defined yet. We make this work for both cases by checked to see
+ whether this is a defined type, referring to it if it is, and using
+ 'int' otherwise. */
+ if (TYPE_SYMTAB_ADDRESS (type) != 0)
+ dbxout_type_index (type);
+ else
+ dbxout_type_index (integer_type_node);
}
if (TREE_CODE (TYPE_MIN_VALUE (type)) == INTEGER_CST)
{
break;
case ARRAY_TYPE:
+ /* Make arrays of packed bits look like bitstrings for chill. */
+ if (TYPE_PACKED (type) && use_gnu_debug_info_extensions)
+ {
+ have_used_extensions = 1;
+ fputs ("@s", asmfile);
+ fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
+ BITS_PER_UNIT * int_size_in_bytes (type));
+ fputc (';', asmfile);
+ fprintf (asmfile, "@S;");
+ putc ('S', asmfile);
+ CHARS (1);
+ dbxout_type (TYPE_DOMAIN (type), 0, 0);
+ break;
+ }
/* Output "a" followed by a range type definition
for the index type of the array
followed by a reference to the target-type.
/* Don't mention a variable at all
if it was completely optimized into nothingness.
- If the decl was from an inline function, then it's rtl
+ If the decl was from an inline function, then its rtl
is not identically the rtl that was used in this
particular compilation. */
if (GET_CODE (home) == REG)
static void
dbxout_prepare_symbol (decl)
- tree decl;
+ tree decl ATTRIBUTE_UNUSED;
{
#ifdef WINNING_GDB
char *filename = DECL_SOURCE_FILE (decl);
DBX_MEMPARM_STABS_LETTER);
}
- dbxout_type (DECL_ARG_TYPE (parms), 0, 0);
+ /* It is quite tempting to use:
+
+ dbxout_type (TREE_TYPE (parms), 0, 0);
+
+ as the next statement, rather than using DECL_ARG_TYPE(), so
+ that gcc reports the actual type of the parameter, rather
+ than the promoted type. This certainly makes GDB's life
+ easier, at least for some ports. The change is a bad idea
+ however, since GDB expects to be able access the type without
+ performing any conversions. So for example, if we were
+ passing a float to an unprototyped function, gcc will store a
+ double on the stack, but if we emit a stab saying the type is a
+ float, then gdb will only read in a single value, and this will
+ produce an erropneous value. */
+ dbxout_type (DECL_ARG_TYPE (parms), 0, 0);
current_sym_value = DEBUGGER_ARG_OFFSET (current_sym_value, addr);
dbxout_finish_symbol (parms);
}
void
dbxout_begin_function (decl)
- tree decl;
+ tree decl ATTRIBUTE_UNUSED;
{
#ifdef DBX_FUNCTION_FIRST
dbxout_really_begin_function (decl);
dbxout_function_end ();
#endif
}
-#endif /* DBX_DEBUGGING_INFO */
+#endif /* DBX_DEBUGGING_INFO || XCOFF_DEBUGGING_INFO */
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