#include "xcoffout.h"
#endif
+#undef DBXOUT_DECR_NESTING
+#define DBXOUT_DECR_NESTING \
+ if (--debug_nesting == 0 && symbol_queue_index > 0) \
+ { emit_pending_bincls_if_required (); debug_flush_symbol_queue (); }
+
+#undef DBXOUT_DECR_NESTING_AND_RETURN
+#define DBXOUT_DECR_NESTING_AND_RETURN(x) \
+ do {--debug_nesting; return (x);} while (0)
+
#ifndef ASM_STABS_OP
#define ASM_STABS_OP "\t.stabs\t"
#endif
static GTY(()) int next_type_number;
+enum binclstatus {BINCL_NOT_REQUIRED, BINCL_PENDING, BINCL_PROCESSED};
+
/* When using N_BINCL in dbx output, each type number is actually a
pair of the file number and the type number within the file.
This is a stack of input files. */
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. */
};
/* This is the top of the stack. */
static GTY(()) int scope_labelno;
+/* A counter for dbxout_source_line. */
+
+static GTY(()) int dbxout_source_line_counter;
+
/* Nonzero if we have actually used any of the GDB extensions
to the debugging format. The idea is that we use them for the
first time only if there's a strong reason, but once we have done that,
#if defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO)
+#ifdef DBX_USE_BINCL
+/* If zero then there is no pending BINCL. */
+static int pending_bincls = 0;
+#endif
+
/* The original input file name. */
static const char *base_input_file;
#define CONTIN do { } while (0)
#endif
-static void dbxout_init PARAMS ((const char *));
-static void dbxout_finish PARAMS ((const char *));
-static void dbxout_start_source_file PARAMS ((unsigned, const char *));
-static void dbxout_end_source_file PARAMS ((unsigned));
-static void dbxout_typedefs PARAMS ((tree));
-static void dbxout_fptype_value PARAMS ((tree));
-static void dbxout_type_index PARAMS ((tree));
+#ifdef DBX_USE_BINCL
+static void emit_bincl_stab (const char *c);
+static void emit_pending_bincls (void);
+#endif
+static inline void emit_pending_bincls_if_required (void);
+
+static void dbxout_init (const char *);
+static void dbxout_finish (const char *);
+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 PARAMS ((void));
+static void dbxout_continue (void);
#endif
-static void dbxout_args PARAMS ((tree));
-static void dbxout_type_fields PARAMS ((tree));
-static void dbxout_type_method_1 PARAMS ((tree, const char *));
-static void dbxout_type_methods PARAMS ((tree));
-static void dbxout_range_type PARAMS ((tree));
-static void dbxout_type PARAMS ((tree, int));
-static void print_int_cst_octal PARAMS ((tree));
-static void print_octal PARAMS ((unsigned HOST_WIDE_INT, int));
-static void print_wide_int PARAMS ((HOST_WIDE_INT));
-static void dbxout_type_name PARAMS ((tree));
-static void dbxout_class_name_qualifiers PARAMS ((tree));
-static int dbxout_symbol_location PARAMS ((tree, tree, const char *, rtx));
-static void dbxout_symbol_name PARAMS ((tree, const char *, int));
-static void dbxout_prepare_symbol PARAMS ((tree));
-static void dbxout_finish_symbol PARAMS ((tree));
-static void dbxout_block PARAMS ((tree, int, tree));
-static void dbxout_global_decl PARAMS ((tree));
+static void dbxout_args (tree);
+static void dbxout_type_fields (tree);
+static void dbxout_type_method_1 (tree, const char *);
+static void dbxout_type_methods (tree);
+static void dbxout_range_type (tree);
+static void dbxout_type (tree, int);
+static bool print_int_cst_bounds_in_octal_p (tree);
+static void print_int_cst_octal (tree);
+static void print_octal (unsigned HOST_WIDE_INT, int);
+static void print_wide_int (HOST_WIDE_INT);
+static void dbxout_type_name (tree);
+static void dbxout_class_name_qualifiers (tree);
+static int dbxout_symbol_location (tree, tree, const char *, rtx);
+static void dbxout_symbol_name (tree, const char *, int);
+static void dbxout_prepare_symbol (tree);
+static void dbxout_finish_symbol (tree);
+static void dbxout_block (tree, int, tree);
+static void dbxout_global_decl (tree);
+static void dbxout_handle_pch (unsigned);
\f
/* The debug hooks structure. */
#if defined (DBX_DEBUGGING_INFO)
-static void dbxout_source_line PARAMS ((unsigned int, const char *));
-static void dbxout_source_file PARAMS ((FILE *, const char *));
-static void dbxout_function_end PARAMS ((void));
-static void dbxout_begin_function PARAMS ((tree));
-static void dbxout_begin_block PARAMS ((unsigned, unsigned));
-static void dbxout_end_block PARAMS ((unsigned, unsigned));
-static void dbxout_function_decl PARAMS ((tree));
-static void dbxout_handle_pch PARAMS ((unsigned));
+static void dbxout_source_line (unsigned int, const char *);
+static void dbxout_source_file (FILE *, const char *);
+static void dbxout_function_end (void);
+static void dbxout_begin_function (tree);
+static void dbxout_begin_block (unsigned, unsigned);
+static void dbxout_end_block (unsigned, unsigned);
+static void dbxout_function_decl (tree);
const struct gcc_debug_hooks dbx_debug_hooks =
{
\f
#if defined (DBX_DEBUGGING_INFO)
static void
-dbxout_function_end ()
+dbxout_function_end (void)
{
char lscope_label_name[100];
/* Convert Ltext into the appropriate format for local labels in case
Initialize `typevec' and output the standard data types of C. */
static void
-dbxout_init (input_file_name)
- const char *input_file_name;
+dbxout_init (const char *input_file_name)
{
char ltext_label_name[100];
tree syms = (*lang_hooks.decls.getdecls) ();
asmfile = asm_out_file;
typevec_len = 100;
- typevec = (struct typeinfo *) ggc_calloc (typevec_len, sizeof typevec[0]);
+ typevec = ggc_calloc (typevec_len, sizeof typevec[0]);
/* Convert Ltext into the appropriate format for local labels in case
the system doesn't insert underscores in front of user generated
ASM_GENERATE_INTERNAL_LABEL (ltext_label_name, "Ltext", 0);
/* Put the current working directory in an N_SO symbol. */
-#ifndef DBX_WORKING_DIRECTORY /* Only some versions of DBX want this,
- but GDB always does. */
if (use_gnu_debug_info_extensions)
-#endif
{
- if (!cwd && (cwd = getpwd ()) && (!*cwd || cwd[strlen (cwd) - 1] != '/'))
+ if (!cwd && (cwd = get_src_pwd ())
+ && (!*cwd || cwd[strlen (cwd) - 1] != '/'))
cwd = concat (cwd, FILE_NAME_JOINER, NULL);
if (cwd)
{
}
#ifdef DBX_OUTPUT_MAIN_SOURCE_FILENAME
- /* This should NOT be DBX_OUTPUT_SOURCE_FILENAME. That
- would give us an N_SOL, and we want an N_SO. */
DBX_OUTPUT_MAIN_SOURCE_FILENAME (asmfile, input_file_name);
#else /* no DBX_OUTPUT_MAIN_SOURCE_FILENAME */
/* We include outputting `Ltext:' here,
next_type_number = 1;
#ifdef DBX_USE_BINCL
- current_file = (struct dbx_file *) ggc_alloc (sizeof *current_file);
+ current_file = ggc_alloc (sizeof *current_file);
current_file->next = NULL;
current_file->file_number = 0;
current_file->next_type_number = 1;
next_file_number = 1;
+ current_file->prev = NULL;
+ current_file->bincl_status = BINCL_NOT_REQUIRED;
+ current_file->pending_bincl_name = NULL;
#endif
/* Make sure that types `int' and `char' have numbers 1 and 2.
#ifdef DBX_OUTPUT_STANDARD_TYPES
DBX_OUTPUT_STANDARD_TYPES (syms);
-#else
- dbxout_symbol (TYPE_NAME (integer_type_node), 0);
- dbxout_symbol (TYPE_NAME (char_type_node), 0);
#endif
/* Get all permanent types that have typedef names,
in the reverse order from that which is found in SYMS. */
static void
-dbxout_typedefs (syms)
- tree syms;
+dbxout_typedefs (tree syms)
{
if (syms)
{
}
}
+#ifdef DBX_USE_BINCL
+/* Emit BINCL stab using given name. */
+static void
+emit_bincl_stab (const char *name)
+{
+ fprintf (asmfile, "%s", ASM_STABS_OP);
+ output_quoted_string (asmfile, name);
+ fprintf (asmfile, ",%d,0,0,0\n", N_BINCL);
+}
+
+/* If there are pending bincls then it is time to emit all of them. */
+
+static inline void
+emit_pending_bincls_if_required (void)
+{
+ if (pending_bincls)
+ emit_pending_bincls ();
+}
+
+/* Emit all pending bincls. */
+
+static void
+emit_pending_bincls (void)
+{
+ struct dbx_file *f = current_file;
+
+ /* Find first pending bincl. */
+ while (f->bincl_status == BINCL_PENDING)
+ f = f->next;
+
+ /* Now emit all bincls. */
+ f = f->prev;
+
+ while (f)
+ {
+ if (f->bincl_status == BINCL_PENDING)
+ {
+ emit_bincl_stab (f->pending_bincl_name);
+
+ /* Update file number and status. */
+ f->file_number = next_file_number++;
+ f->bincl_status = BINCL_PROCESSED;
+ }
+ if (f == current_file)
+ break;
+ f = f->prev;
+ }
+
+ /* All pending bincls have been emitted. */
+ pending_bincls = 0;
+}
+
+#else
+
+static inline void
+emit_pending_bincls_if_required (void) {}
+#endif
+
/* Change to reading from a new source file. Generate a N_BINCL stab. */
static void
-dbxout_start_source_file (line, filename)
- unsigned int line ATTRIBUTE_UNUSED;
- const char *filename ATTRIBUTE_UNUSED;
+dbxout_start_source_file (unsigned int line ATTRIBUTE_UNUSED,
+ const char *filename ATTRIBUTE_UNUSED)
{
#ifdef DBX_USE_BINCL
- struct dbx_file *n = (struct dbx_file *) ggc_alloc (sizeof *n);
+ struct dbx_file *n = ggc_alloc (sizeof *n);
n->next = current_file;
- n->file_number = next_file_number++;
n->next_type_number = 1;
+ /* Do not assign file number now.
+ Delay it until we actually emit BINCL. */
+ n->file_number = 0;
+ n->prev = NULL;
+ current_file->prev = n;
+ n->bincl_status = BINCL_PENDING;
+ n->pending_bincl_name = filename;
+ pending_bincls = 1;
current_file = n;
- fprintf (asmfile, "%s", ASM_STABS_OP);
- output_quoted_string (asmfile, filename);
- fprintf (asmfile, ",%d,0,0,0\n", N_BINCL);
#endif
}
/* Revert to reading a previous source file. Generate a N_EINCL stab. */
static void
-dbxout_end_source_file (line)
- unsigned int line ATTRIBUTE_UNUSED;
+dbxout_end_source_file (unsigned int line ATTRIBUTE_UNUSED)
{
#ifdef DBX_USE_BINCL
- fprintf (asmfile, "%s%d,0,0,0\n", ASM_STABN_OP, N_EINCL);
+ /* Emit EINCL stab only if BINCL is not pending. */
+ if (current_file->bincl_status == BINCL_PROCESSED)
+ fprintf (asmfile, "%s%d,0,0,0\n", ASM_STABN_OP, N_EINCL);
+ current_file->bincl_status = BINCL_NOT_REQUIRED;
current_file = current_file->next;
#endif
}
}
else
{
- /* ... and an EINCL. */
+ /* ... and an EINCL. */
dbxout_end_source_file (0);
/* Deal with cases where 'lastfile' was never actually changed. */
/* Output debugging info to FILE to switch to sourcefile FILENAME. */
static void
-dbxout_source_file (file, filename)
- FILE *file;
- const char *filename;
+dbxout_source_file (FILE *file, const char *filename)
{
if (lastfile == 0 && lastfile_is_base)
{
if (filename && (lastfile == 0 || strcmp (filename, lastfile)))
{
-#ifdef DBX_OUTPUT_SOURCE_FILENAME
- DBX_OUTPUT_SOURCE_FILENAME (file, filename);
-#else
char ltext_label_name[100];
ASM_GENERATE_INTERNAL_LABEL (ltext_label_name, "Ltext",
text_section ();
(*targetm.asm_out.internal_label) (file, "Ltext", source_label_number);
source_label_number++;
-#endif
lastfile = filename;
}
}
number LINENO. */
static void
-dbxout_source_line (lineno, filename)
- unsigned int lineno;
- const char *filename;
+dbxout_source_line (unsigned int lineno, const char *filename)
{
dbxout_source_file (asmfile, filename);
#ifdef ASM_OUTPUT_SOURCE_LINE
- ASM_OUTPUT_SOURCE_LINE (asmfile, lineno);
+ dbxout_source_line_counter += 1;
+ ASM_OUTPUT_SOURCE_LINE (asmfile, lineno, dbxout_source_line_counter);
#else
fprintf (asmfile, "%s%d,0,%d\n", ASM_STABD_OP, N_SLINE, lineno);
#endif
/* Describe the beginning of an internal block within a function. */
static void
-dbxout_begin_block (line, n)
- unsigned int line ATTRIBUTE_UNUSED;
- unsigned int n;
+dbxout_begin_block (unsigned int line ATTRIBUTE_UNUSED, unsigned int n)
{
+ emit_pending_bincls_if_required ();
(*targetm.asm_out.internal_label) (asmfile, "LBB", n);
}
/* Describe the end line-number of an internal block within a function. */
static void
-dbxout_end_block (line, n)
- unsigned int line ATTRIBUTE_UNUSED;
- unsigned int n;
+dbxout_end_block (unsigned int line ATTRIBUTE_UNUSED, unsigned int n)
{
+ emit_pending_bincls_if_required ();
(*targetm.asm_out.internal_label) (asmfile, "LBE", n);
}
(including all the auto variables of the function). */
static void
-dbxout_function_decl (decl)
- tree decl;
+dbxout_function_decl (tree decl)
{
+ emit_pending_bincls_if_required ();
#ifndef DBX_FUNCTION_FIRST
dbxout_begin_function (decl);
#endif
/* Debug information for a global DECL. Called from toplev.c after
compilation proper has finished. */
static void
-dbxout_global_decl (decl)
- tree decl;
+dbxout_global_decl (tree decl)
{
if (TREE_CODE (decl) == VAR_DECL
&& ! DECL_EXTERNAL (decl)
&& DECL_RTL_SET_P (decl)) /* Not necessary? */
- dbxout_symbol (decl, 0);
+ {
+ int saved_tree_used = TREE_USED (decl);
+ TREE_USED (decl) = 1;
+ dbxout_symbol (decl, 0);
+ TREE_USED (decl) = saved_tree_used;
+ }
}
/* At the end of compilation, finish writing the symbol table.
to do nothing. */
static void
-dbxout_finish (filename)
- const char *filename ATTRIBUTE_UNUSED;
+dbxout_finish (const char *filename ATTRIBUTE_UNUSED)
{
#ifdef DBX_OUTPUT_MAIN_SOURCE_FILE_END
DBX_OUTPUT_MAIN_SOURCE_FILE_END (asmfile, filename);
#endif /* DBX_OUTPUT_MAIN_SOURCE_FILE_END */
+
+ debug_free_queue ();
}
/* Output floating point type values used by the 'R' stab letter.
them. */
static void
-dbxout_fptype_value (type)
- tree type;
+dbxout_fptype_value (tree type)
{
char value = '0';
enum machine_mode mode = TYPE_MODE (type);
/* Output the index of a type. */
static void
-dbxout_type_index (type)
- tree type;
+dbxout_type_index (tree type)
{
#ifndef DBX_USE_BINCL
fprintf (asmfile, "%d", TYPE_SYMTAB_ADDRESS (type));
.stabs "...rest",code,0,value */
static void
-dbxout_continue ()
+dbxout_continue (void)
{
+ emit_pending_bincls_if_required ();
#ifdef DBX_CONTIN_CHAR
fprintf (asmfile, "%c", DBX_CONTIN_CHAR);
#else
recursive calls. */
static void
-dbxout_type_fields (type)
- tree type;
+dbxout_type_fields (tree type)
{
tree tem;
now. */
static void
-dbxout_type_method_1 (decl, debug_name)
- tree decl;
- const char *debug_name;
+dbxout_type_method_1 (tree decl, const char *debug_name)
{
char c1 = 'A', c2;
in TYPE. */
static void
-dbxout_type_methods (type)
- tree type;
+dbxout_type_methods (tree type)
{
/* C++: put out the method names and their parameter lists */
tree methods = TYPE_METHODS (type);
TYPE is an INTEGER_TYPE. */
static void
-dbxout_range_type (type)
- tree type;
+dbxout_range_type (tree type)
{
fprintf (asmfile, "r");
if (TREE_TYPE (type))
{
putc (';', asmfile);
CHARS (1);
- print_wide_int (tree_low_cst (TYPE_MIN_VALUE (type), 0));
+ if (print_int_cst_bounds_in_octal_p (type))
+ print_int_cst_octal (TYPE_MIN_VALUE (type));
+ else
+ print_wide_int (tree_low_cst (TYPE_MIN_VALUE (type), 0));
}
else
{
{
putc (';', asmfile);
CHARS (1);
- print_wide_int (tree_low_cst (TYPE_MAX_VALUE (type), 0));
+ if (print_int_cst_bounds_in_octal_p (type))
+ print_int_cst_octal (TYPE_MAX_VALUE (type));
+ else
+ print_wide_int (tree_low_cst (TYPE_MAX_VALUE (type), 0));
putc (';', asmfile);
CHARS (1);
}
}
}
\f
+
/* Output a reference to a type. If the type has not yet been
described in the dbx output, output its definition now.
For a type already defined, just refer to its definition
using the number previously allocated. */
static void
-dbxout_type (type, full)
- tree type;
- int full;
+dbxout_type (tree type, int full)
{
tree tem;
tree main_variant;
if (next_type_number == typevec_len)
{
typevec
- = (struct typeinfo *) ggc_realloc (typevec,
- (typevec_len * 2
- * sizeof typevec[0]));
- memset ((char *) (typevec + typevec_len), 0,
- typevec_len * sizeof typevec[0]);
+ = ggc_realloc (typevec, (typevec_len * 2 * sizeof typevec[0]));
+ memset (typevec + typevec_len, 0, typevec_len * sizeof typevec[0]);
typevec_len *= 2;
}
#ifdef DBX_USE_BINCL
+ emit_pending_bincls_if_required ();
typevec[TYPE_SYMTAB_ADDRESS (type)].file_number
= current_file->file_number;
typevec[TYPE_SYMTAB_ADDRESS (type)].type_number
#endif
}
+ if (flag_debug_only_used_symbols)
+ {
+ if ((TREE_CODE (type) == RECORD_TYPE
+ || TREE_CODE (type) == UNION_TYPE
+ || TREE_CODE (type) == QUAL_UNION_TYPE
+ || TREE_CODE (type) == ENUMERAL_TYPE)
+ && TYPE_STUB_DECL (type)
+ && TREE_CODE_CLASS (TREE_CODE (TYPE_STUB_DECL (type))) == 'd'
+ && ! DECL_IGNORED_P (TYPE_STUB_DECL (type)))
+ debug_queue_symbol (TYPE_STUB_DECL (type));
+ else if (TYPE_NAME (type)
+ && TREE_CODE (TYPE_NAME (type)) == TYPE_DECL)
+ debug_queue_symbol (TYPE_NAME (type));
+ }
+
/* Output the number of this type, to refer to it. */
dbxout_type_index (type);
}
else if (main_variant != TYPE_MAIN_VARIANT (type))
{
+ if (flag_debug_only_used_symbols)
+ {
+ tree orig_type = DECL_ORIGINAL_TYPE (TYPE_NAME (type));
+
+ if ((TREE_CODE (orig_type) == RECORD_TYPE
+ || TREE_CODE (orig_type) == UNION_TYPE
+ || TREE_CODE (orig_type) == QUAL_UNION_TYPE
+ || TREE_CODE (orig_type) == ENUMERAL_TYPE)
+ && TYPE_STUB_DECL (orig_type)
+ && ! DECL_IGNORED_P (TYPE_STUB_DECL (orig_type)))
+ debug_queue_symbol (TYPE_STUB_DECL (orig_type));
+ }
/* 'type' is a typedef; output the type it refers to. */
dbxout_type (DECL_ORIGINAL_TYPE (TYPE_NAME (type)), 0);
return;
CHARS (5);
}
- /* If we can use GDB extensions and the size is wider than a
- long (the size used by GDB to read them) or we may have
- trouble writing the bounds the usual way, write them in
- octal. Note the test is for the *target's* size of "long",
- not that of the host. The host test is just to make sure we
- can write it out in case the host wide int is narrower than the
- target "long". */
-
- /* For unsigned types, we use octal if they are the same size or
- larger. This is because we print the bounds as signed decimal,
- and hence they can't span same size unsigned types. */
-
- if (use_gnu_debug_info_extensions
- && TYPE_MIN_VALUE (type) != 0
- && TREE_CODE (TYPE_MIN_VALUE (type)) == INTEGER_CST
- && TYPE_MAX_VALUE (type) != 0
- && TREE_CODE (TYPE_MAX_VALUE (type)) == INTEGER_CST
- && (TYPE_PRECISION (type) > TYPE_PRECISION (integer_type_node)
- || ((TYPE_PRECISION (type)
- == TYPE_PRECISION (integer_type_node))
- && TREE_UNSIGNED (type))
- || TYPE_PRECISION (type) > HOST_BITS_PER_WIDE_INT
- || (TYPE_PRECISION (type) == HOST_BITS_PER_WIDE_INT
- && TREE_UNSIGNED (type))))
+ if (print_int_cst_bounds_in_octal_p (type))
{
fprintf (asmfile, "r");
CHARS (1);
tree child = BINFO_BASETYPE (binfo, i);
tree access = (BINFO_BASEACCESSES (binfo)
? BINFO_BASEACCESS (binfo, i) : access_public_node);
-
+
if (use_gnu_debug_info_extensions)
{
have_used_extensions = 1;
* BITS_PER_UNIT);
putc (',', asmfile);
CHARS (1);
- print_wide_int (tree_low_cst (DECL_SIZE
- (TYPE_NAME
- (BINFO_TYPE (child))),
+ print_wide_int (tree_low_cst (TYPE_SIZE (BINFO_TYPE (child)),
0)
* BITS_PER_UNIT);
putc (';', asmfile);
CHARS (1);
return;
}
-#ifdef DBX_OUTPUT_ENUM
- DBX_OUTPUT_ENUM (asmfile, type);
-#else
if (use_gnu_debug_info_extensions
&& TYPE_PRECISION (type) != TYPE_PRECISION (integer_type_node))
{
putc (';', asmfile);
CHARS (1);
-#endif
break;
case POINTER_TYPE:
}
}
+/* Return nonzero if the given type represents an integer whose bounds
+ should be printed in octal format. */
+
+static bool
+print_int_cst_bounds_in_octal_p (tree type)
+{
+ /* If we can use GDB extensions and the size is wider than a long
+ (the size used by GDB to read them) or we may have trouble writing
+ the bounds the usual way, write them in octal. Note the test is for
+ the *target's* size of "long", not that of the host. The host test
+ is just to make sure we can write it out in case the host wide int
+ is narrower than the target "long".
+
+ For unsigned types, we use octal if they are the same size or larger.
+ This is because we print the bounds as signed decimal, and hence they
+ can't span same size unsigned types. */
+
+ if (use_gnu_debug_info_extensions
+ && TYPE_MIN_VALUE (type) != 0
+ && TREE_CODE (TYPE_MIN_VALUE (type)) == INTEGER_CST
+ && TYPE_MAX_VALUE (type) != 0
+ && TREE_CODE (TYPE_MAX_VALUE (type)) == INTEGER_CST
+ && (TYPE_PRECISION (type) > TYPE_PRECISION (integer_type_node)
+ || ((TYPE_PRECISION (type) == TYPE_PRECISION (integer_type_node))
+ && TREE_UNSIGNED (type))
+ || TYPE_PRECISION (type) > HOST_BITS_PER_WIDE_INT
+ || (TYPE_PRECISION (type) == HOST_BITS_PER_WIDE_INT
+ && TREE_UNSIGNED (type))))
+ return TRUE;
+ else
+ return FALSE;
+}
+
/* Print the value of integer constant C, in octal,
handling double precision. */
static void
-print_int_cst_octal (c)
- tree c;
+print_int_cst_octal (tree c)
{
unsigned HOST_WIDE_INT high = TREE_INT_CST_HIGH (c);
unsigned HOST_WIDE_INT low = TREE_INT_CST_LOW (c);
}
static void
-print_octal (value, digits)
- unsigned HOST_WIDE_INT value;
- int digits;
+print_octal (unsigned HOST_WIDE_INT value, int digits)
{
int i;
/* Output C in decimal while adjusting the number of digits written. */
static void
-print_wide_int (c)
- HOST_WIDE_INT c;
+print_wide_int (HOST_WIDE_INT c)
{
int digs = 0;
or by struct, enum and union tags. */
static void
-dbxout_type_name (type)
- tree type;
+dbxout_type_name (tree type)
{
tree t;
if (TYPE_NAME (type) == 0)
type whose scope is limited to a struct or class. */
static void
-dbxout_class_name_qualifiers (decl)
- tree decl;
+dbxout_class_name_qualifiers (tree decl)
{
tree context = decl_type_context (decl);
- if (context != NULL_TREE
+ if (context != NULL_TREE
&& TREE_CODE(context) == RECORD_TYPE
- && TYPE_NAME (context) != 0
+ && TYPE_NAME (context) != 0
&& (TREE_CODE (TYPE_NAME (context)) == IDENTIFIER_NODE
|| (DECL_NAME (TYPE_NAME (context)) != 0)))
{
tree name = TYPE_NAME (context);
+ emit_pending_bincls_if_required ();
+
if (TREE_CODE (name) == TYPE_DECL)
{
dbxout_class_name_qualifiers (name);
Return 1 if a stabs might have been emitted. */
int
-dbxout_symbol (decl, local)
- tree decl;
- int local ATTRIBUTE_UNUSED;
+dbxout_symbol (tree decl, int local ATTRIBUTE_UNUSED)
{
tree type = TREE_TYPE (decl);
tree context = NULL_TREE;
int result = 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;
if ((DECL_NAME (decl) == 0 && TREE_CODE (decl) != TYPE_DECL)
|| DECL_IGNORED_P (decl))
- return 0;
+ DBXOUT_DECR_NESTING_AND_RETURN (0);
+
+ /* If we are to generate only the symbols actually used then such
+ symbol nodees are flagged with TREE_USED. Ignore any that
+ aren't flaged as TREE_USED. */
+
+ if (flag_debug_only_used_symbols)
+ {
+ tree t;
+
+ if (!TREE_USED (decl)
+ && (TREE_CODE (decl) != VAR_DECL || !DECL_INITIAL (decl)))
+ DBXOUT_DECR_NESTING_AND_RETURN (0);
+
+ /* We now have a used symbol. We need to generate the info for
+ the symbol's type in addition to the symbol itself. These
+ type symbols are queued to be generated after were done with
+ the symbol itself (done because the symbol's info is generated
+ with fprintf's, etc. as it determines what's needed).
+
+ Note, because the TREE_TYPE(type) might be something like a
+ pointer to a named type we need to look for the first name
+ we see following the TREE_TYPE chain. */
+
+ t = type;
+ while (POINTER_TYPE_P (t))
+ t = TREE_TYPE (t);
+
+ /* RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, and ENUMERAL_TYPE
+ need special treatment. The TYPE_STUB_DECL field in these
+ types generally represents the tag name type we want to
+ output. In addition there could be a typedef type with
+ a different name. In that case we also want to output
+ that. */
+
+ if ((TREE_CODE (t) == RECORD_TYPE
+ || TREE_CODE (t) == UNION_TYPE
+ || TREE_CODE (t) == QUAL_UNION_TYPE
+ || TREE_CODE (t) == ENUMERAL_TYPE)
+ && TYPE_STUB_DECL (t)
+ && TYPE_STUB_DECL (t) != decl
+ && TREE_CODE_CLASS (TREE_CODE (TYPE_STUB_DECL (t))) == 'd'
+ && ! DECL_IGNORED_P (TYPE_STUB_DECL (t)))
+ {
+ debug_queue_symbol (TYPE_STUB_DECL (t));
+ if (TYPE_NAME (t)
+ && TYPE_NAME (t) != TYPE_STUB_DECL (t)
+ && TYPE_NAME (t) != decl
+ && TREE_CODE_CLASS (TREE_CODE (TYPE_NAME (t))) == 'd')
+ debug_queue_symbol (TYPE_NAME (t));
+ }
+ else if (TYPE_NAME (t)
+ && TYPE_NAME (t) != decl
+ && TREE_CODE_CLASS (TREE_CODE (TYPE_NAME (t))) == 'd')
+ debug_queue_symbol (TYPE_NAME (t));
+ }
+
+ emit_pending_bincls_if_required ();
dbxout_prepare_symbol (decl);
case FUNCTION_DECL:
if (DECL_RTL (decl) == 0)
- return 0;
+ DBXOUT_DECR_NESTING_AND_RETURN (0);
if (DECL_EXTERNAL (decl))
break;
/* Don't mention a nested function under its parent. */
break;
case TYPE_DECL:
-#if 0
- /* This seems all wrong. Outputting most kinds of types gives no name
- at all. A true definition gives no name; a cross-ref for a
- structure can give the tag name, but not a type name.
- It seems that no typedef name is defined by outputting a type. */
-
- /* If this typedef name was defined by outputting the type,
- don't duplicate it. */
- if (typevec[TYPE_SYMTAB_ADDRESS (type)].status == TYPE_DEFINED
- && TYPE_NAME (TREE_TYPE (decl)) == decl)
- return 0;
-#endif
/* Don't output the same typedef twice.
And don't output what language-specific stuff doesn't want output. */
if (TREE_ASM_WRITTEN (decl) || TYPE_DECL_SUPPRESS_DEBUG (decl))
- return 0;
+ DBXOUT_DECR_NESTING_AND_RETURN (0);
FORCE_TEXT;
result = 1;
/* Distinguish the implicit typedefs of C++
from explicit ones that might be found in C. */
&& DECL_ARTIFICIAL (decl)
+ /* Do not generate a tag for incomplete records. */
+ && COMPLETE_TYPE_P (type)
/* Do not generate a tag for records of variable size,
since this type can not be properly described in the
DBX format, and it confuses some tools such as objdump. */
/* Named return value, treat like a VAR_DECL. */
case VAR_DECL:
if (! DECL_RTL_SET_P (decl))
- return 0;
+ DBXOUT_DECR_NESTING_AND_RETURN (0);
/* Don't mention a variable that is external.
Let the file that defines it describe it. */
if (DECL_EXTERNAL (decl))
|| TREE_CODE (TREE_TYPE (decl)) == ENUMERAL_TYPE)
{
HOST_WIDE_INT ival = tree_low_cst (DECL_INITIAL (decl), 0);
-#ifdef DBX_OUTPUT_CONSTANT_SYMBOL
- DBX_OUTPUT_CONSTANT_SYMBOL (asmfile, name, ival);
-#else
- fprintf (asmfile, "%s\"%s:c=i", ASM_STABS_OP, name);
-
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC, ival);
- fprintf (asmfile, "\",0x%x,0,0,0\n", N_LSYM);
-#endif
+ fprintf (asmfile, "%s\"%s:c=i" HOST_WIDE_INT_PRINT_DEC
+ "\",0x%x,0,0,0\n",
+ ASM_STABS_OP, name, ival, N_LSYM);
+ DBXOUT_DECR_NESTING;
return 1;
}
else if (TREE_CODE (TREE_TYPE (decl)) == REAL_TYPE)
default:
break;
}
+ DBXOUT_DECR_NESTING;
return result;
}
\f
Returns 1 if the stab was really emitted. */
static int
-dbxout_symbol_location (decl, type, suffix, home)
- tree decl, type;
- const char *suffix;
- rtx home;
+dbxout_symbol_location (tree decl, tree type, const char *suffix, rtx home)
{
int letter = 0;
int regno = -1;
+ emit_pending_bincls_if_required ();
+
/* Don't mention a variable at all
if it was completely optimized into nothingness.
Then output LETTER to indicate the kind of location the symbol has. */
static void
-dbxout_symbol_name (decl, suffix, letter)
- tree decl;
- const char *suffix;
- int letter;
+dbxout_symbol_name (tree decl, const char *suffix, int letter)
{
const char *name;
}
static void
-dbxout_prepare_symbol (decl)
- tree decl ATTRIBUTE_UNUSED;
+dbxout_prepare_symbol (tree decl ATTRIBUTE_UNUSED)
{
#ifdef WINNING_GDB
const char *filename = DECL_SOURCE_FILE (decl);
}
static void
-dbxout_finish_symbol (sym)
- tree sym;
+dbxout_finish_symbol (tree sym)
{
#ifdef DBX_FINISH_SYMBOL
DBX_FINISH_SYMBOL (sym);
anything was output */
int
-dbxout_syms (syms)
- tree syms;
+dbxout_syms (tree syms)
{
int result = 0;
while (syms)
of all the parms in PARMS, which is a chain of PARM_DECL nodes. */
void
-dbxout_parms (parms)
- tree parms;
+dbxout_parms (tree parms)
{
+ ++debug_nesting;
+
+ emit_pending_bincls_if_required ();
+
for (; parms; parms = TREE_CHAIN (parms))
if (DECL_NAME (parms) && TREE_TYPE (parms) != error_mark_node)
{
dbxout_finish_symbol (parms);
}
}
+ DBXOUT_DECR_NESTING;
}
/* Output definitions for the places where parms live during the function,
PARMS is a chain of PARM_DECL nodes. */
void
-dbxout_reg_parms (parms)
- tree parms;
+dbxout_reg_parms (tree parms)
{
+ ++debug_nesting;
+
for (; parms; parms = TREE_CHAIN (parms))
if (DECL_NAME (parms) && PARM_PASSED_IN_MEMORY (parms))
{
dbxout_symbol_location (parms, TREE_TYPE (parms),
0, DECL_RTL (parms));
}
+ DBXOUT_DECR_NESTING;
}
\f
/* Given a chain of ..._TYPE nodes (as come in a parameter list),
output definitions of those names, in raw form */
static void
-dbxout_args (args)
- tree args;
+dbxout_args (tree args)
{
while (args)
{
We handle them all in sequence. */
static void
-dbxout_block (block, depth, args)
- tree block;
- int depth;
- tree args;
+dbxout_block (tree block, int depth, tree args)
{
int blocknum = -1;
{
int did_output;
-#ifdef DBX_LBRAC_FIRST
- did_output = 1;
-#else
/* In dbx format, the syms of a block come before the N_LBRAC.
If nothing is output, we don't need the N_LBRAC, either. */
did_output = 0;
did_output = dbxout_syms (BLOCK_VARS (block));
if (args)
dbxout_reg_parms (args);
-#endif
/* Now output an N_LBRAC symbol to represent the beginning of
the block. Use the block's tree-walk order to generate
tree decl = BLOCK_VARS (block);
while (decl)
{
-#ifdef DBX_OUTPUT_CATCH
- DBX_OUTPUT_CATCH (asmfile, decl, buf);
-#else
fprintf (asmfile, "%s\"%s:C1\",%d,0,0,", ASM_STABS_OP,
IDENTIFIER_POINTER (DECL_NAME (decl)), N_CATCH);
assemble_name (asmfile, buf);
fprintf (asmfile, "\n");
-#endif
decl = TREE_CHAIN (decl);
}
}
#endif
}
-#ifdef DBX_LBRAC_FIRST
- /* On some weird machines, the syms of a block
- come after the N_LBRAC. */
- if (debug_info_level != DINFO_LEVEL_TERSE || depth == 0)
- dbxout_syms (BLOCK_VARS (block));
- if (args)
- dbxout_reg_parms (args);
-#endif
-
/* Output the subblocks. */
dbxout_block (BLOCK_SUBBLOCKS (block), depth + 1, NULL_TREE);
#if defined (DBX_DEBUGGING_INFO)
static void
-dbxout_begin_function (decl)
- tree decl;
+dbxout_begin_function (tree decl)
{
- dbxout_symbol (decl, 0);
+ int saved_tree_used1 = TREE_USED (decl);
+ TREE_USED (decl) = 1;
+ if (DECL_NAME (DECL_RESULT (decl)) != 0)
+ {
+ int saved_tree_used2 = TREE_USED (DECL_RESULT (decl));
+ TREE_USED (DECL_RESULT (decl)) = 1;
+ dbxout_symbol (decl, 0);
+ TREE_USED (DECL_RESULT (decl)) = saved_tree_used2;
+ }
+ else
+ dbxout_symbol (decl, 0);
+ TREE_USED (decl) = saved_tree_used1;
+
dbxout_parms (DECL_ARGUMENTS (decl));
if (DECL_NAME (DECL_RESULT (decl)) != 0)
dbxout_symbol (DECL_RESULT (decl), 1);
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