/* Output dbx-format symbol table information from GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of GCC.
pair of the file number and the type number within the file.
This is a stack of input files. */
-struct dbx_file GTY(())
+struct dbx_file
{
struct dbx_file *next;
int file_number;
int next_type_number;
- enum binclstatus bincl_status; /* Keep track of lazy bincl. */
- const char *pending_bincl_name; /* Name of bincl. */
- struct dbx_file *prev; /* Chain to traverse all pending bincls. */
+ enum binclstatus bincl_status; /* Keep track of lazy bincl. */
+ const char *pending_bincl_name; /* Name of bincl. */
+ struct dbx_file *prev; /* Chain to traverse all pending bincls. */
};
-/* This is the top of the stack. */
-
-static GTY(()) struct dbx_file *current_file;
+/* This is the top of the stack.
+
+ This is not saved for PCH, because restoring a PCH should not change it.
+ next_file_number does have to be saved, because the PCH may use some
+ file numbers; however, just before restoring a PCH, next_file_number
+ should always be 0 because we should not have needed any file numbers
+ yet. */
+
+#if (defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO)) \
+ && defined (DBX_USE_BINCL)
+static struct dbx_file *current_file;
+#endif
/* This is the next file number to use. */
static void dbxout_start_source_file (unsigned, const char *);
static void dbxout_end_source_file (unsigned);
static void dbxout_typedefs (tree);
-static void dbxout_fptype_value (tree);
static void dbxout_type_index (tree);
#if DBX_CONTIN_LENGTH > 0
static void dbxout_continue (void);
dbxout_end_source_file,
dbxout_begin_block,
dbxout_end_block,
- debug_true_tree, /* ignore_block */
- dbxout_source_line, /* source_line */
- dbxout_source_line, /* begin_prologue: just output line info */
- debug_nothing_int_charstar, /* end_prologue */
- debug_nothing_int_charstar, /* end_epilogue */
+ debug_true_tree, /* ignore_block */
+ dbxout_source_line, /* source_line */
+ dbxout_source_line, /* begin_prologue: just output
+ line info */
+ debug_nothing_int_charstar, /* end_prologue */
+ debug_nothing_int_charstar, /* end_epilogue */
#ifdef DBX_FUNCTION_FIRST
dbxout_begin_function,
#else
- debug_nothing_tree, /* begin_function */
+ debug_nothing_tree, /* begin_function */
#endif
- debug_nothing_int, /* end_function */
+ debug_nothing_int, /* end_function */
dbxout_function_decl,
- dbxout_global_decl, /* global_decl */
- debug_nothing_tree, /* deferred_inline_function */
- debug_nothing_tree, /* outlining_inline_function */
- debug_nothing_rtx, /* label */
- dbxout_handle_pch /* handle_pch */
+ dbxout_global_decl, /* global_decl */
+ debug_nothing_tree_tree, /* imported_module_or_decl */
+ debug_nothing_tree, /* deferred_inline_function */
+ debug_nothing_tree, /* outlining_inline_function */
+ debug_nothing_rtx, /* label */
+ dbxout_handle_pch /* handle_pch */
};
#endif /* DBX_DEBUGGING_INFO */
dbxout_end_source_file,
xcoffout_begin_block,
xcoffout_end_block,
- debug_true_tree, /* ignore_block */
+ debug_true_tree, /* ignore_block */
xcoffout_source_line,
- xcoffout_begin_prologue, /* begin_prologue */
- debug_nothing_int_charstar, /* end_prologue */
+ xcoffout_begin_prologue, /* begin_prologue */
+ debug_nothing_int_charstar, /* end_prologue */
xcoffout_end_epilogue,
- debug_nothing_tree, /* begin_function */
+ debug_nothing_tree, /* begin_function */
xcoffout_end_function,
- debug_nothing_tree, /* function_decl */
- dbxout_global_decl, /* global_decl */
- debug_nothing_tree, /* deferred_inline_function */
- debug_nothing_tree, /* outlining_inline_function */
- debug_nothing_rtx, /* label */
- dbxout_handle_pch /* handle_pch */
+ debug_nothing_tree, /* function_decl */
+ dbxout_global_decl, /* global_decl */
+ debug_nothing_tree_tree, /* imported_module_or_decl */
+ debug_nothing_tree, /* deferred_inline_function */
+ debug_nothing_tree, /* outlining_inline_function */
+ debug_nothing_rtx, /* label */
+ dbxout_handle_pch /* handle_pch */
};
#endif /* XCOFF_DEBUGGING_INFO */
\f
next_type_number = 1;
#ifdef DBX_USE_BINCL
- current_file = ggc_alloc (sizeof *current_file);
+ current_file = xmalloc (sizeof *current_file);
current_file->next = NULL;
current_file->file_number = 0;
current_file->next_type_number = 1;
dbxout_typedefs (syms);
}
-/* Output any typedef names for types described by TYPE_DECLs in SYMS,
- in the reverse order from that which is found in SYMS. */
+/* Output any typedef names for types described by TYPE_DECLs in SYMS. */
static void
dbxout_typedefs (tree syms)
{
- if (syms)
+ for (; syms != NULL_TREE; syms = TREE_CHAIN (syms))
{
- dbxout_typedefs (TREE_CHAIN (syms));
if (TREE_CODE (syms) == TYPE_DECL)
{
tree type = TREE_TYPE (syms);
if (TYPE_NAME (type)
&& TREE_CODE (TYPE_NAME (type)) == TYPE_DECL
- && COMPLETE_TYPE_P (type)
+ && COMPLETE_OR_VOID_TYPE_P (type)
&& ! TREE_ASM_WRITTEN (TYPE_NAME (type)))
dbxout_symbol (TYPE_NAME (type), 0);
}
const char *filename ATTRIBUTE_UNUSED)
{
#ifdef DBX_USE_BINCL
- struct dbx_file *n = ggc_alloc (sizeof *n);
+ struct dbx_file *n = xmalloc (sizeof *n);
n->next = current_file;
n->next_type_number = 1;
debug_free_queue ();
}
-/* Output floating point type values used by the 'R' stab letter.
- These numbers come from include/aout/stab_gnu.h in binutils/gdb.
-
- There are only 3 real/complex types defined, and we need 7/6.
- We use NF_SINGLE as a generic float type, and NF_COMPLEX as a generic
- complex type. Since we have the type size anyways, we don't really need
- to distinguish between different FP types, we only need to distinguish
- between float and complex. This works fine with gdb.
-
- We only use this for complex types, to avoid breaking backwards
- compatibility for real types. complex types aren't in ISO C90, so it is
- OK if old debuggers don't understand the debug info we emit for them. */
-
-/* ??? These are supposed to be IEEE types, but we don't check for that.
- We could perhaps add additional numbers for non-IEEE types if we need
- them. */
-
-static void
-dbxout_fptype_value (tree type)
-{
- char value = '0';
- enum machine_mode mode = TYPE_MODE (type);
-
- if (TREE_CODE (type) == REAL_TYPE)
- {
- if (mode == SFmode)
- value = '1';
- else if (mode == DFmode)
- value = '2';
- else if (mode == TFmode || mode == XFmode)
- value = '6';
- else
- /* Use NF_SINGLE as a generic real type for other sizes. */
- value = '1';
- }
- else if (TREE_CODE (type) == COMPLEX_TYPE)
- {
- if (mode == SCmode)
- value = '3';
- else if (mode == DCmode)
- value = '4';
- else if (mode == TCmode || mode == XCmode)
- value = '5';
- else
- /* Use NF_COMPLEX as a generic complex type for other sizes. */
- value = '3';
- }
- else
- abort ();
-
- putc (value, asmfile);
- CHARS (1);
-}
-
/* Output the index of a type. */
static void
field that we can support. */
for (tem = TYPE_FIELDS (type); tem; tem = TREE_CHAIN (tem))
{
+
+ /* If on of the nodes is an error_mark or its type is then return early. */
+ if (tem == error_mark_node || TREE_TYPE (tem) == error_mark_node)
+ return;
+
/* Omit here local type decls until we know how to support them. */
if (TREE_CODE (tem) == TYPE_DECL
/* Omit fields whose position or size are variable or too large to
break;
case COMPLEX_TYPE:
- /* Differs from the REAL_TYPE by its new data type number */
+ /* Differs from the REAL_TYPE by its new data type number.
+ R3 is NF_COMPLEX. We don't try to use any of the other NF_*
+ codes since gdb doesn't care anyway. */
if (TREE_CODE (TREE_TYPE (type)) == REAL_TYPE)
{
- putc ('R', asmfile);
- CHARS (1);
- dbxout_fptype_value (type);
- putc (';', asmfile);
- CHARS (1);
+ fputs ("R3;", asmfile);
+ CHARS (3);
print_wide_int (2 * int_size_in_bytes (TREE_TYPE (type)));
fputs (";0;", asmfile);
CHARS (3);
if (use_gnu_debug_info_extensions)
{
have_used_extensions = 1;
- putc (TREE_VIA_VIRTUAL (child) ? '1' : '0', asmfile);
- putc (access == access_public_node ? '2' : '0', asmfile);
+ putc (TREE_VIA_VIRTUAL (child) ? '1' : '0', asmfile);
+ putc (access == access_public_node ? '2' :
+ (access == access_protected_node ? '1' :'0'),
+ asmfile);
CHARS (2);
if (TREE_VIA_VIRTUAL (child)
&& strcmp (lang_hooks.name, "GNU C++") == 0)
/* "Intercept" dbxout_symbol() calls like we do all debug_hooks. */
++debug_nesting;
- /* Cast avoids warning in old compilers. */
- current_sym_code = (STAB_CODE_TYPE) 0;
- current_sym_value = 0;
- current_sym_addr = 0;
-
/* Ignore nameless syms, but don't ignore type tags. */
if ((DECL_NAME (decl) == 0 && TREE_CODE (decl) != TYPE_DECL)
}
else if (TREE_CODE (TREE_TYPE (decl)) == REAL_TYPE)
{
- /* don't know how to do this yet. */
+ /* Don't know how to do this yet. */
}
break;
}
else
dbxout_symbol_location (decl, subtype, "$real", XEXP (home, 0));
- /* Cast avoids warning in old compilers. */
- current_sym_code = (STAB_CODE_TYPE) 0;
- current_sym_value = 0;
- current_sym_addr = 0;
dbxout_prepare_symbol (decl);
if (WORDS_BIG_ENDIAN)
{
const char *name;
- if (DECL_CONTEXT (decl) && TYPE_P (DECL_CONTEXT (decl)))
- /* One slight hitch: if this is a VAR_DECL which is a static
- class member, we must put out the mangled name instead of the
+ if (DECL_CONTEXT (decl)
+ && (TYPE_P (DECL_CONTEXT (decl))
+ || TREE_CODE (DECL_CONTEXT (decl)) == NAMESPACE_DECL))
+ /* One slight hitch: if this is a VAR_DECL which is a class member
+ or a namespace member, we must put out the mangled name instead of the
DECL_NAME. Note also that static member (variable) names DO NOT begin
with underscores in .stabs directives. */
name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
dbxout_source_file (asmfile, filename);
#endif
+
+ /* Initialize variables used to communicate each symbol's debug
+ information to dbxout_finish_symbol with zeroes. */
+
+ /* Cast avoids warning in old compilers. */
+ current_sym_code = (STAB_CODE_TYPE) 0;
+ current_sym_value = 0;
+ current_sym_addr = 0;
}
static void
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