/* Output dbx-format symbol table information from GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000 Free Software Foundation, Inc.
+ 1999, 2000, 2001 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 2, 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 COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
/* Output dbx-format symbol table data.
#include "regs.h"
#include "insn-config.h"
#include "reload.h"
-#include "defaults.h"
#include "output.h" /* ASM_OUTPUT_SOURCE_LINE may refer to sdb functions. */
#include "dbxout.h"
#include "toplev.h"
#include "tm_p.h"
#include "ggc.h"
+#include "debug.h"
+#include "function.h"
+#include "target.h"
+#include "langhooks.h"
#ifdef XCOFF_DEBUGGING_INFO
#include "xcoffout.h"
#define FILE_NAME_JOINER "/"
#endif
-/* Nonzero means if the type has methods, only output debugging
- information if methods are actually written to the asm file. This
- optimization only works if the debugger can detect the special C++
- marker. */
-
-#define MINIMAL_DEBUG 1
-
-#ifdef NO_DOLLAR_IN_LABEL
-#ifdef NO_DOT_IN_LABEL
-#undef MINIMAL_DEBUG
-#define MINIMAL_DEBUG 0
-#endif
+/* GDB needs to know that the stabs were generated by GCC. We emit an
+ N_OPT stab at the beginning of the source file to indicate this.
+ The string is historical, and different on a very few targets. */
+#ifndef STABS_GCC_MARKER
+#define STABS_GCC_MARKER "gcc2_compiled."
#endif
/* Typical USG systems don't have stab.h, and they also have
#if defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO)
-static int flag_minimal_debug = MINIMAL_DEBUG;
-
/* 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,
/* Number for the next N_SOL filename stabs label. The number 0 is reserved
for the N_SO filename stabs label. */
+#if defined (DBX_DEBUGGING_INFO) && !defined (DBX_OUTPUT_SOURCE_FILENAME)
static int source_label_number = 1;
+#endif
#ifdef DEBUG_SYMS_TEXT
#define FORCE_TEXT text_section ();
#define FORCE_TEXT
#endif
-/* 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>
+#include "gstab.h"
-/* This is a GNU extension we need to reference in this file. */
-#ifndef N_CATCH
-#define N_CATCH 0x54
-#endif
-#endif
-
-#ifdef __GNU_STAB__
#define STAB_CODE_TYPE enum __stab_debug_code
-#else
-#define STAB_CODE_TYPE int
-#endif
/* 1 if PARM is passed to this function in memory. */
#define CONTIN do { } while (0)
#endif
-#if defined(ASM_OUTPUT_SECTION_NAME)
-static void dbxout_function_end PARAMS ((void));
-#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_type_index PARAMS ((tree));
#if DBX_CONTIN_LENGTH > 0
static void dbxout_continue PARAMS ((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, int));
+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 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_really_begin_function PARAMS ((tree));
+static void dbxout_global_decl PARAMS ((tree));
\f
-#if defined(ASM_OUTPUT_SECTION_NAME)
+/* 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));
+
+struct gcc_debug_hooks dbx_debug_hooks =
+{
+ dbxout_init,
+ dbxout_finish,
+ debug_nothing_int_charstar,
+ debug_nothing_int_charstar,
+ dbxout_start_source_file,
+ 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, /* end_prologue */
+ debug_nothing_void, /* end_epilogue */
+#ifdef DBX_FUNCTION_FIRST
+ dbxout_begin_function,
+#else
+ debug_nothing_tree, /* begin_function */
+#endif
+ 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 */
+};
+#endif /* DBX_DEBUGGING_INFO */
+
+#if defined (XCOFF_DEBUGGING_INFO)
+struct gcc_debug_hooks xcoff_debug_hooks =
+{
+ dbxout_init,
+ dbxout_finish,
+ debug_nothing_int_charstar,
+ debug_nothing_int_charstar,
+ dbxout_start_source_file,
+ dbxout_end_source_file,
+ xcoffout_begin_block,
+ xcoffout_end_block,
+ debug_true_tree, /* ignore_block */
+ xcoffout_source_line,
+ xcoffout_begin_prologue, /* begin_prologue */
+ debug_nothing_int, /* end_prologue */
+ xcoffout_end_epilogue,
+ 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 */
+};
+#endif /* XCOFF_DEBUGGING_INFO */
+\f
+#if defined (DBX_DEBUGGING_INFO)
static void
dbxout_function_end ()
{
symbol and an empty string. */
fprintf (asmfile, "%s\"\",%d,0,0,", ASM_STABS_OP, N_FUN);
assemble_name (asmfile, lscope_label_name);
- fputc ('-', asmfile);
+ putc ('-', asmfile);
assemble_name (asmfile, XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));
fprintf (asmfile, "\n");
}
-#endif /* ! NO_DBX_FUNCTION_END */
+#endif /* DBX_DEBUGGING_INFO */
/* At the beginning of compilation, start writing the symbol table.
Initialize `typevec' and output the standard data types of C. */
-void
-dbxout_init (asm_file, input_file_name, syms)
- FILE *asm_file;
+static void
+dbxout_init (input_file_name)
const char *input_file_name;
- tree syms;
{
char ltext_label_name[100];
+ tree syms = getdecls ();
- asmfile = asm_file;
+ asmfile = asm_out_file;
typevec_len = 100;
typevec = (struct typeinfo *) xcalloc (typevec_len, sizeof typevec[0]);
#endif
{
if (!cwd && (cwd = getpwd ()) && (!*cwd || cwd[strlen (cwd) - 1] != '/'))
- {
- char *wdslash = xmalloc (strlen (cwd) + sizeof (FILE_NAME_JOINER));
- sprintf (wdslash, "%s%s", cwd, FILE_NAME_JOINER);
- cwd = wdslash;
- }
+ cwd = concat (cwd, FILE_NAME_JOINER, NULL);
if (cwd)
{
#ifdef DBX_OUTPUT_MAIN_SOURCE_DIRECTORY
ASM_OUTPUT_INTERNAL_LABEL (asmfile, "Ltext", 0);
#endif /* no DBX_OUTPUT_MAIN_SOURCE_FILENAME */
- /* Possibly output something to inform GDB that this compilation was by
- GCC. It's easier for GDB to parse it when after the N_SO's. This
- is used in Solaris 2. */
-#ifdef ASM_IDENTIFY_GCC_AFTER_SOURCE
- ASM_IDENTIFY_GCC_AFTER_SOURCE (asmfile);
+#ifdef DBX_OUTPUT_GCC_MARKER
+ DBX_OUTPUT_GCC_MARKER (asmfile);
+#else
+ /* Emit an N_OPT stab to indicate that this file was compiled by GCC. */
+ fprintf (asmfile, "%s\"%s\",%d,0,0,0\n",
+ ASM_STABS_OP, STABS_GCC_MARKER, N_OPT);
#endif
lastfile = input_file_name;
/* Change to reading from a new source file. Generate a N_BINCL stab. */
-void
-dbxout_start_new_source_file (filename)
+static void
+dbxout_start_source_file (line, filename)
+ unsigned int line ATTRIBUTE_UNUSED;
const char *filename ATTRIBUTE_UNUSED;
{
#ifdef DBX_USE_BINCL
/* Revert to reading a previous source file. Generate a N_EINCL stab. */
-void
-dbxout_resume_previous_source_file ()
+static void
+dbxout_end_source_file (line)
+ unsigned int line ATTRIBUTE_UNUSED;
{
#ifdef DBX_USE_BINCL
struct dbx_file *next;
#endif
}
+#if defined (DBX_DEBUGGING_INFO)
/* Output debugging info to FILE to switch to sourcefile FILENAME. */
-void
+static void
dbxout_source_file (file, filename)
FILE *file;
const char *filename;
{
- char ltext_label_name[100];
-
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",
source_label_number);
fprintf (file, "%s", ASM_STABS_OP);
}
}
-/* Output a line number symbol entry into output stream FILE,
- for source file FILENAME and line number LINENO. */
+/* Output a line number symbol entry for source file FILENAME and line
+ number LINENO. */
-void
-dbxout_source_line (file, filename, lineno)
- FILE *file;
+static void
+dbxout_source_line (lineno, filename)
+ unsigned int lineno;
const char *filename;
- int lineno;
{
- dbxout_source_file (file, filename);
+ dbxout_source_file (asmfile, filename);
#ifdef ASM_OUTPUT_SOURCE_LINE
- ASM_OUTPUT_SOURCE_LINE (file, lineno);
+ ASM_OUTPUT_SOURCE_LINE (asmfile, lineno);
#else
- fprintf (file, "%s%d,0,%d\n", ASM_STABD_OP, N_SLINE, lineno);
+ 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;
+{
+ ASM_OUTPUT_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;
+{
+ ASM_OUTPUT_INTERNAL_LABEL (asmfile, "LBE", n);
+}
+
+/* Output dbx data for a function definition.
+ This includes a definition of the function name itself (a symbol),
+ definitions of the parameters (locating them in the parameter list)
+ and then output the block that makes up the function's body
+ (including all the auto variables of the function). */
+
+static void
+dbxout_function_decl (decl)
+ tree decl;
+{
+#ifndef DBX_FUNCTION_FIRST
+ dbxout_begin_function (decl);
+#endif
+ dbxout_block (DECL_INITIAL (decl), 0, DECL_ARGUMENTS (decl));
+#ifdef DBX_OUTPUT_FUNCTION_END
+ DBX_OUTPUT_FUNCTION_END (asmfile, decl);
+#endif
+ if (use_gnu_debug_info_extensions
+#if defined(NO_DBX_FUNCTION_END)
+ && ! NO_DBX_FUNCTION_END
+#endif
+ && targetm.have_named_sections)
+ dbxout_function_end ();
+}
+
+#endif /* DBX_DEBUGGING_INFO */
+
+/* Debug information for a global DECL. Called from toplev.c after
+ compilation proper has finished. */
+static void
+dbxout_global_decl (decl)
+ tree decl;
+{
+ if (TREE_CODE (decl) == VAR_DECL
+ && ! DECL_EXTERNAL (decl)
+ && DECL_RTL_SET_P (decl)) /* Not necessary? */
+ dbxout_symbol (decl, 0);
+}
+
/* At the end of compilation, finish writing the symbol table.
Unless you define DBX_OUTPUT_MAIN_SOURCE_FILE_END, the default is
to do nothing. */
-void
-dbxout_finish (file, filename)
- FILE *file ATTRIBUTE_UNUSED;
+static void
+dbxout_finish (filename)
const char *filename ATTRIBUTE_UNUSED;
{
#ifdef DBX_OUTPUT_MAIN_SOURCE_FILE_END
- DBX_OUTPUT_MAIN_SOURCE_FILE_END (file, filename);
+ DBX_OUTPUT_MAIN_SOURCE_FILE_END (asmfile, filename);
#endif /* DBX_OUTPUT_MAIN_SOURCE_FILE_END */
}
#else
struct typeinfo *t = &typevec[TYPE_SYMTAB_ADDRESS (type)];
fprintf (asmfile, "(%d,%d)", t->file_number, t->type_number);
- CHARS (7);
+ CHARS (9);
#endif
}
if (tem != TYPE_FIELDS (type))
CONTIN;
- if (use_gnu_debug_info_extensions
- && flag_minimal_debug
- && TREE_CODE (tem) == FIELD_DECL
- && DECL_VIRTUAL_P (tem)
- && DECL_ASSEMBLER_NAME (tem))
- {
- have_used_extensions = 1;
- CHARS (3 + IDENTIFIER_LENGTH (DECL_ASSEMBLER_NAME (tem)));
- fputs (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (tem)), asmfile);
- dbxout_type (DECL_FCONTEXT (tem), 0, 0);
- fprintf (asmfile, ":");
- dbxout_type (TREE_TYPE (tem), 0, 0);
- fputc (',', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- int_bit_position (tem));
- fputc (';', asmfile);
- continue;
- }
-
if (DECL_NAME (tem))
{
fprintf (asmfile, "%s:", IDENTIFIER_POINTER (DECL_NAME (tem)));
else
{
fprintf (asmfile, ":");
- CHARS (2);
+ CHARS (1);
}
if (use_gnu_debug_info_extensions
dbxout_type ((TREE_CODE (tem) == FIELD_DECL
&& DECL_BIT_FIELD_TYPE (tem))
- ? DECL_BIT_FIELD_TYPE (tem) : TREE_TYPE (tem), 0, 0);
+ ? DECL_BIT_FIELD_TYPE (tem) : TREE_TYPE (tem), 0);
if (TREE_CODE (tem) == VAR_DECL)
{
if (TREE_STATIC (tem) && use_gnu_debug_info_extensions)
{
- const char *name =
- IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (tem));
+ tree name = DECL_ASSEMBLER_NAME (tem);
+
have_used_extensions = 1;
- fprintf (asmfile, ":%s;", name);
- CHARS (strlen (name));
+ fprintf (asmfile, ":%s;", IDENTIFIER_POINTER (name));
+ CHARS (IDENTIFIER_LENGTH (name) + 2);
}
else
- /* If TEM is non-static, GDB won't understand it. */
- fprintf (asmfile, ",0,0;");
+ {
+ /* If TEM is non-static, GDB won't understand it. */
+ fprintf (asmfile, ",0,0;");
+ CHARS (5);
+ }
}
else
{
- fputc (',', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- int_bit_position (tem));
- fputc (',', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- tree_low_cst (DECL_SIZE (tem), 1));
- fputc (';', asmfile);
- CHARS (23);
+ putc (',', asmfile);
+ print_wide_int (int_bit_position (tem));
+ putc (',', asmfile);
+ print_wide_int (tree_low_cst (DECL_SIZE (tem), 1));
+ putc (';', asmfile);
+ CHARS (3);
}
}
}
if (DECL_VINDEX (decl) && host_integerp (DECL_VINDEX (decl), 0))
{
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- tree_low_cst (DECL_VINDEX (decl), 0));
- fputc (';', asmfile);
- dbxout_type (DECL_CONTEXT (decl), 0, 0);
+ print_wide_int (tree_low_cst (DECL_VINDEX (decl), 0));
+ putc (';', asmfile);
+ CHARS (1);
+ dbxout_type (DECL_CONTEXT (decl), 0);
fprintf (asmfile, ";");
- CHARS (8);
+ CHARS (1);
}
}
\f
static void
dbxout_type_methods (type)
- register tree type;
+ tree type;
{
/* C++: put out the method names and their parameter lists */
tree methods = TYPE_METHODS (type);
tree type_encoding;
- register tree fndecl;
- register tree last;
+ tree fndecl;
+ tree last;
char formatted_type_identifier_length[16];
- register int type_identifier_length;
+ int type_identifier_length;
if (methods == NULL_TREE)
return;
type_identifier_length = IDENTIFIER_LENGTH (type_encoding);
- sprintf(formatted_type_identifier_length, "%d", type_identifier_length);
+ sprintf (formatted_type_identifier_length, "%d", type_identifier_length);
if (TREE_CODE (methods) != TREE_VEC)
fndecl = methods;
while (fndecl)
{
- tree name = DECL_NAME (fndecl);
int need_prefix = 1;
/* Group together all the methods for the same operation.
{
/* This is the "mangled" name of the method.
It encodes the argument types. */
- const char *debug_name =
- IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (fndecl));
- int show_arg_types = 0;
+ const char *debug_name;
+
+ /* Skip methods that aren't FUNCTION_DECLs. (In C++, these
+ include TEMPLATE_DECLs.) The debugger doesn't know what
+ to do with such entities anyhow. */
+ if (TREE_CODE (fndecl) != FUNCTION_DECL)
+ continue;
+
+ debug_name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (fndecl));
CONTIN;
last = fndecl;
- if (DECL_IGNORED_P (fndecl))
+ /* Also ignore abstract methods; those are only interesting to
+ the DWARF backends. */
+ if (DECL_IGNORED_P (fndecl) || DECL_ABSTRACT (fndecl))
continue;
- if (flag_minimal_debug)
+ /* Redundantly output the plain name, since that's what gdb
+ expects. */
+ if (need_prefix)
{
- char marker;
-
- /* We can't optimize a method which uses an anonymous
- class, because the debugger will not be able to
- associate the arbitrary class name with the actual
- class. */
-#ifndef NO_DOLLAR_IN_LABEL
- marker = '$';
-#else
- marker = '.';
-#endif
- if (strchr (debug_name, marker))
- show_arg_types = 1;
- /* Detect ordinary methods because their mangled names
- start with the operation name. */
- else if (!strncmp (IDENTIFIER_POINTER (name), debug_name,
- IDENTIFIER_LENGTH (name)))
- {
- debug_name += IDENTIFIER_LENGTH (name);
- if (debug_name[0] == '_' && debug_name[1] == '_')
- {
- const char *method_name = debug_name + 2;
- const char *length_ptr =
- formatted_type_identifier_length;
- /* Get past const and volatile qualifiers. */
- while (*method_name == 'C' || *method_name == 'V')
- method_name++;
- /* Skip digits for length of type_encoding. */
- while (*method_name == *length_ptr && *length_ptr)
- length_ptr++, method_name++;
- if (! strncmp (method_name,
- IDENTIFIER_POINTER (type_encoding),
- type_identifier_length))
- method_name += type_identifier_length;
- debug_name = method_name;
- }
- }
- /* Detect constructors by their style of name mangling. */
- else if (debug_name[0] == '_' && debug_name[1] == '_')
- {
- const char *ctor_name = debug_name + 2;
- const char *length_ptr = formatted_type_identifier_length;
- while (*ctor_name == 'C' || *ctor_name == 'V')
- ctor_name++;
- /* Skip digits for length of type_encoding. */
- while (*ctor_name == *length_ptr && *length_ptr)
- length_ptr++, ctor_name++;
- if (!strncmp (IDENTIFIER_POINTER (type_encoding), ctor_name,
- type_identifier_length))
- debug_name = ctor_name + type_identifier_length;
- }
- /* The other alternative is a destructor. */
- else
- show_arg_types = 1;
-
- /* Output the operation name just once, for the first method
- that we output. */
- if (need_prefix)
- {
- fprintf (asmfile, "%s::", IDENTIFIER_POINTER (name));
- CHARS (IDENTIFIER_LENGTH (name) + 2);
- need_prefix = 0;
- }
+ tree name = DECL_NAME (fndecl);
+ fprintf (asmfile, "%s::", IDENTIFIER_POINTER (name));
+ CHARS (IDENTIFIER_LENGTH (name) + 2);
+ need_prefix = 0;
}
- dbxout_type (TREE_TYPE (fndecl), 0, show_arg_types);
+ dbxout_type (TREE_TYPE (fndecl), 0);
dbxout_type_method_1 (fndecl, debug_name);
}
{
fprintf (asmfile, "r");
if (TREE_TYPE (type))
- dbxout_type (TREE_TYPE (type), 0, 0);
+ dbxout_type (TREE_TYPE (type), 0);
else if (TREE_CODE (type) != INTEGER_TYPE)
- dbxout_type (type, 0, 0); /* E.g. Pascal's ARRAY [BOOLEAN] of INTEGER */
+ dbxout_type (type, 0); /* E.g. Pascal's ARRAY [BOOLEAN] of INTEGER */
else
{
/* Traditionally, we made sure 'int' was type 1, and builtin types
if (TYPE_MIN_VALUE (type) != 0
&& host_integerp (TYPE_MIN_VALUE (type), 0))
{
- fputc (';', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- tree_low_cst (TYPE_MIN_VALUE (type), 0));
+ putc (';', asmfile);
+ CHARS (1);
+ print_wide_int (tree_low_cst (TYPE_MIN_VALUE (type), 0));
}
else
- fprintf (asmfile, ";0");
+ {
+ fprintf (asmfile, ";0");
+ CHARS (2);
+ }
if (TYPE_MAX_VALUE (type) != 0
&& host_integerp (TYPE_MAX_VALUE (type), 0))
{
- fputc (';', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- tree_low_cst (TYPE_MAX_VALUE (type), 0));
- fputc (';', asmfile);
+ putc (';', asmfile);
+ CHARS (1);
+ print_wide_int (tree_low_cst (TYPE_MAX_VALUE (type), 0));
+ putc (';', asmfile);
+ CHARS (1);
}
else
- fprintf (asmfile, ";-1;");
+ {
+ fprintf (asmfile, ";-1;");
+ CHARS (4);
+ }
}
\f
/* Output a reference to a type. If the type has not yet been
If FULL is nonzero, and the type has been described only with
a forward-reference, output the definition now.
If FULL is zero in this case, just refer to the forward-reference
- using the number previously allocated.
-
- If SHOW_ARG_TYPES is nonzero, we output a description of the argument
- types for a METHOD_TYPE. */
+ using the number previously allocated. */
static void
-dbxout_type (type, full, show_arg_types)
+dbxout_type (type, full)
tree type;
int full;
- int show_arg_types;
{
- register tree tem;
+ tree tem;
static int anonymous_type_number = 0;
if (TREE_CODE (type) == VECTOR_TYPE)
Sun dbx crashes if we do. */
if (! full || !COMPLETE_TYPE_P (type)
/* No way in DBX fmt to describe a variable size. */
- || TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST)
+ || ! host_integerp (TYPE_SIZE (type), 1))
return;
break;
case TYPE_DEFINED:
&& !full)
|| !COMPLETE_TYPE_P (type)
/* No way in DBX fmt to describe a variable size. */
- || TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST)
+ || ! host_integerp (TYPE_SIZE (type), 1))
{
typevec[TYPE_SYMTAB_ADDRESS (type)].status = TYPE_XREF;
return;
if (TYPE_NAME (type) && TREE_CODE (TYPE_NAME (type)) == TYPE_DECL
&& DECL_ORIGINAL_TYPE (TYPE_NAME (type)))
{
- dbxout_type (DECL_ORIGINAL_TYPE (TYPE_NAME (type)), 0, 0);
+ dbxout_type (DECL_ORIGINAL_TYPE (TYPE_NAME (type)), 0);
return;
}
This used to use `r2' explicitly and we used to
take care to make sure that `char' was type number 2. */
fprintf (asmfile, "r");
+ CHARS (1);
dbxout_type_index (type);
fprintf (asmfile, ";0;127;");
+ CHARS (7);
}
/* If this is a subtype of another integer type, always prefer to
write it as a subtype. */
else if (TREE_TYPE (type) != 0
- && TREE_CODE (TREE_TYPE (type)) == INTEGER_CST)
+ && TREE_CODE (TREE_TYPE (type)) == INTEGER_TYPE)
dbxout_range_type (type);
else
if (use_gnu_debug_info_extensions
&& TYPE_PRECISION (type) != TYPE_PRECISION (integer_type_node))
- fprintf (asmfile, "@s%d;", TYPE_PRECISION (type));
+ {
+ have_used_extensions = 1;
+ fprintf (asmfile, "@s%d;", TYPE_PRECISION (type));
+ 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
&& 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)
+ || ((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))))
{
fprintf (asmfile, "r");
+ CHARS (1);
dbxout_type_index (type);
fprintf (asmfile, ";");
+ CHARS (1);
print_int_cst_octal (TYPE_MIN_VALUE (type));
fprintf (asmfile, ";");
+ CHARS (1);
print_int_cst_octal (TYPE_MAX_VALUE (type));
fprintf (asmfile, ";");
+ CHARS (1);
}
else
dbxout_range_type (type);
}
- CHARS (22);
break;
case REAL_TYPE:
/* This used to say `r1' and we used to take care
to make sure that `int' was type number 1. */
fprintf (asmfile, "r");
+ CHARS (1);
dbxout_type_index (integer_type_node);
- fputc (';', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC, int_size_in_bytes (type));
+ putc (';', asmfile);
+ CHARS (1);
+ print_wide_int (int_size_in_bytes (type));
fputs (";0;", asmfile);
- CHARS (13);
+ CHARS (3);
break;
case CHAR_TYPE:
if (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));
+ CHARS (2);
+ print_wide_int (BITS_PER_UNIT * int_size_in_bytes (type));
fputs (";-20;", asmfile);
+ CHARS (4);
}
else
{
/* Output the type `char' as a subrange of itself.
That is what pcc seems to do. */
fprintf (asmfile, "r");
+ CHARS (1);
dbxout_type_index (char_type_node);
fprintf (asmfile, ";0;%d;", TREE_UNSIGNED (type) ? 255 : 127);
+ CHARS (7);
}
- CHARS (9);
break;
case BOOLEAN_TYPE:
if (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));
+ CHARS (2);
+ print_wide_int (BITS_PER_UNIT * int_size_in_bytes (type));
fputs (";-16;", asmfile);
+ CHARS (4);
}
else /* Define as enumeral type (False, True) */
- fprintf (asmfile, "eFalse:0,True:1,;");
- CHARS (17);
+ {
+ fprintf (asmfile, "eFalse:0,True:1,;");
+ CHARS (17);
+ }
break;
case FILE_TYPE:
putc ('d', asmfile);
CHARS (1);
- dbxout_type (TREE_TYPE (type), 0, 0);
+ dbxout_type (TREE_TYPE (type), 0);
break;
case COMPLEX_TYPE:
if (TREE_CODE (TREE_TYPE (type)) == REAL_TYPE)
{
fprintf (asmfile, "r");
+ CHARS (1);
dbxout_type_index (type);
- fputc (';', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- 2 * int_size_in_bytes (TREE_TYPE (type)));
+ putc (';', asmfile);
+ CHARS (1);
+ print_wide_int (2 * int_size_in_bytes (TREE_TYPE (type)));
fputs (";0;", asmfile);
- CHARS (12); /* The number is probably incorrect here. */
+ CHARS (3);
}
else
{
/* Output a complex integer type as a structure,
pending some other way to do it. */
- fputc ('s', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC, int_size_in_bytes (type));
-
+ putc ('s', asmfile);
+ CHARS (1);
+ print_wide_int (int_size_in_bytes (type));
fprintf (asmfile, "real:");
- CHARS (10);
- dbxout_type (TREE_TYPE (type), 0, 0);
- fprintf (asmfile, ",%d,%d;",
- 0, TYPE_PRECISION (TREE_TYPE (type)));
- CHARS (8);
+ CHARS (5);
+
+ dbxout_type (TREE_TYPE (type), 0);
+ fprintf (asmfile, ",0,%d;", TYPE_PRECISION (TREE_TYPE (type)));
+ CHARS (7);
fprintf (asmfile, "imag:");
CHARS (5);
- dbxout_type (TREE_TYPE (type), 0, 0);
- fprintf (asmfile, ",%d,%d;;",
- TYPE_PRECISION (TREE_TYPE (type)),
+ dbxout_type (TREE_TYPE (type), 0);
+ fprintf (asmfile, ",%d,%d;;", TYPE_PRECISION (TREE_TYPE (type)),
TYPE_PRECISION (TREE_TYPE (type)));
- CHARS (9);
+ CHARS (10);
}
break;
{
have_used_extensions = 1;
fputs ("@s", asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- BITS_PER_UNIT * int_size_in_bytes (type));
- fputc (';', asmfile);
+ CHARS (2);
+ print_wide_int (BITS_PER_UNIT * int_size_in_bytes (type));
+ putc (';', asmfile);
+ CHARS (1);
+
/* Check if a bitstring type, which in Chill is
different from a [power]set. */
if (TYPE_STRING_FLAG (type))
- fprintf (asmfile, "@S;");
+ {
+ fprintf (asmfile, "@S;");
+ CHARS (3);
+ }
}
putc ('S', asmfile);
CHARS (1);
- dbxout_type (TYPE_DOMAIN (type), 0, 0);
+ dbxout_type (TYPE_DOMAIN (type), 0);
break;
case ARRAY_TYPE:
{
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);
+ CHARS (2);
+ print_wide_int (BITS_PER_UNIT * int_size_in_bytes (type));
+ fprintf (asmfile, ";@S;S");
+ CHARS (5);
+ dbxout_type (TYPE_DOMAIN (type), 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.
{
have_used_extensions = 1;
fprintf (asmfile, "@S;");
+ CHARS (3);
}
tem = TYPE_DOMAIN (type);
if (tem == NULL)
{
fprintf (asmfile, "ar");
+ CHARS (2);
dbxout_type_index (integer_type_node);
fprintf (asmfile, ";0;-1;");
+ CHARS (6);
}
else
{
fprintf (asmfile, "a");
+ CHARS (1);
dbxout_range_type (tem);
}
- CHARS (14);
- dbxout_type (TREE_TYPE (type), 0, 0);
+
+ dbxout_type (TREE_TYPE (type), 0);
break;
case RECORD_TYPE:
&& !full)
|| !COMPLETE_TYPE_P (type)
/* No way in DBX fmt to describe a variable size. */
- || TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST)
+ || ! host_integerp (TYPE_SIZE (type), 1))
{
/* If the type is just a cross reference, output one
and mark the type as partially described.
another type's definition; instead, output an xref
and let the definition come when the name is defined. */
fputs ((TREE_CODE (type) == RECORD_TYPE) ? "xs" : "xu", asmfile);
- CHARS (3);
+ CHARS (2);
#if 0 /* This assertion is legitimately false in C++. */
/* We shouldn't be outputting a reference to a type before its
definition unless the type has a tag name.
if (TYPE_NAME (type) != 0)
dbxout_type_name (type);
else
- fprintf (asmfile, "$$%d", anonymous_type_number++);
+ {
+ fprintf (asmfile, "$$%d", anonymous_type_number++);
+ CHARS (5);
+ }
+
fprintf (asmfile, ":");
+ CHARS (1);
typevec[TYPE_SYMTAB_ADDRESS (type)].status = TYPE_XREF;
break;
}
/* Identify record or union, and print its size. */
- fputc (((TREE_CODE (type) == RECORD_TYPE) ? 's' : 'u'), asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- int_size_in_bytes (type));
+ putc (((TREE_CODE (type) == RECORD_TYPE) ? 's' : 'u'), asmfile);
+ CHARS (1);
+ print_wide_int (int_size_in_bytes (type));
if (use_gnu_debug_info_extensions)
{
have_used_extensions = 1;
putc (TREE_VIA_VIRTUAL (child) ? '1' : '0', asmfile);
putc (TREE_VIA_PUBLIC (child) ? '2' : '0', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- (tree_low_cst (BINFO_OFFSET (child), 0)
- * BITS_PER_UNIT));
- fputc (',', asmfile);
- CHARS (15);
- dbxout_type (BINFO_TYPE (child), 0, 0);
+ CHARS (2);
+ if (TREE_VIA_VIRTUAL (child) && strcmp (lang_hooks.name, "GNU C++") == 0)
+ /* For a virtual base, print the (negative) offset within
+ the vtable where we must look to find the necessary
+ adjustment. */
+ print_wide_int (tree_low_cst (BINFO_VPTR_FIELD (child), 0)
+ * BITS_PER_UNIT);
+ else
+ print_wide_int (tree_low_cst (BINFO_OFFSET (child), 0)
+ * BITS_PER_UNIT);
+ putc (',', asmfile);
+ CHARS (1);
+ dbxout_type (BINFO_TYPE (child), 0);
putc (';', asmfile);
+ CHARS (1);
}
else
{
which have the same names at the types they hold. */
dbxout_type_name (BINFO_TYPE (child));
putc (':', asmfile);
- dbxout_type (BINFO_TYPE (child), full, 0);
- fputc (',', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- tree_low_cst (BINFO_OFFSET (child), 0)
- * BITS_PER_UNIT);
- fputc (',', asmfile);
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- (tree_low_cst (DECL_SIZE (TYPE_NAME
- (BINFO_TYPE (child))), 0)
- * BITS_PER_UNIT));
- fputc (';', asmfile);
- CHARS (20);
+ CHARS (1);
+ dbxout_type (BINFO_TYPE (child), full);
+ putc (',', asmfile);
+ CHARS (1);
+ print_wide_int (tree_low_cst (BINFO_OFFSET (child), 0)
+ * BITS_PER_UNIT);
+ putc (',', asmfile);
+ CHARS (1);
+ print_wide_int (tree_low_cst (DECL_SIZE
+ (TYPE_NAME
+ (BINFO_TYPE (child))),
+ 0)
+ * BITS_PER_UNIT);
+ putc (';', asmfile);
+ CHARS (1);
}
}
}
- CHARS (11);
-
/* Write out the field declarations. */
dbxout_type_fields (type);
if (use_gnu_debug_info_extensions && TYPE_METHODS (type) != NULL_TREE)
}
putc (';', asmfile);
+ CHARS (1);
if (use_gnu_debug_info_extensions && TREE_CODE (type) == RECORD_TYPE
/* Avoid the ~ if we don't really need it--it confuses dbx. */
/* Tell GDB+ that it may keep reading. */
putc ('~', asmfile);
+ CHARS (1);
/* We need to write out info about what field this class
uses as its "main" vtable pointer field, because if this
if (TYPE_VFIELD (type))
{
putc ('%', asmfile);
- dbxout_type (DECL_FCONTEXT (TYPE_VFIELD (type)), 0, 0);
+ CHARS (1);
+ dbxout_type (DECL_FCONTEXT (TYPE_VFIELD (type)), 0);
}
+
putc (';', asmfile);
- CHARS (3);
+ CHARS (1);
}
break;
|| !COMPLETE_TYPE_P (type))
{
fprintf (asmfile, "xe");
- CHARS (3);
+ CHARS (2);
dbxout_type_name (type);
typevec[TYPE_SYMTAB_ADDRESS (type)].status = TYPE_XREF;
- fprintf (asmfile, ":");
+ putc (':', asmfile);
+ CHARS (1);
return;
}
#ifdef DBX_OUTPUT_ENUM
#else
if (use_gnu_debug_info_extensions
&& TYPE_PRECISION (type) != TYPE_PRECISION (integer_type_node))
- fprintf (asmfile, "@s%d;", TYPE_PRECISION (type));
+ {
+ fprintf (asmfile, "@s%d;", TYPE_PRECISION (type));
+ CHARS (5);
+ }
+
putc ('e', asmfile);
CHARS (1);
for (tem = TYPE_VALUES (type); tem; tem = TREE_CHAIN (tem))
{
fprintf (asmfile, "%s:", IDENTIFIER_POINTER (TREE_PURPOSE (tem)));
+ CHARS (IDENTIFIER_LENGTH (TREE_PURPOSE (tem)) + 1);
if (TREE_INT_CST_HIGH (TREE_VALUE (tem)) == 0)
- fprintf (asmfile, HOST_WIDE_INT_PRINT_UNSIGNED,
- TREE_INT_CST_LOW (TREE_VALUE (tem)));
+ print_wide_int (TREE_INT_CST_LOW (TREE_VALUE (tem)));
else if (TREE_INT_CST_HIGH (TREE_VALUE (tem)) == -1
&& (HOST_WIDE_INT) TREE_INT_CST_LOW (TREE_VALUE (tem)) < 0)
- fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC,
- TREE_INT_CST_LOW (TREE_VALUE (tem)));
+ print_wide_int (TREE_INT_CST_LOW (TREE_VALUE (tem)));
else
print_int_cst_octal (TREE_VALUE (tem));
- fprintf (asmfile, ",");
- CHARS (20 + IDENTIFIER_LENGTH (TREE_PURPOSE (tem)));
+
+ putc (',', asmfile);
+ CHARS (1);
if (TREE_CHAIN (tem) != 0)
- {
- CONTIN;
- }
+ CONTIN;
}
+
putc (';', asmfile);
CHARS (1);
#endif
case POINTER_TYPE:
putc ('*', asmfile);
CHARS (1);
- dbxout_type (TREE_TYPE (type), 0, 0);
+ dbxout_type (TREE_TYPE (type), 0);
break;
case METHOD_TYPE:
have_used_extensions = 1;
putc ('#', asmfile);
CHARS (1);
- if (flag_minimal_debug && !show_arg_types)
- {
- /* Normally, just output the return type.
- The argument types are encoded in the method name. */
- putc ('#', asmfile);
- CHARS (1);
- dbxout_type (TREE_TYPE (type), 0, 0);
- putc (';', asmfile);
- CHARS (1);
- }
- else
- {
- /* When outputting destructors, we need to write
- the argument types out longhand. */
- dbxout_type (TYPE_METHOD_BASETYPE (type), 0, 0);
- putc (',', asmfile);
- CHARS (1);
- dbxout_type (TREE_TYPE (type), 0, 0);
- dbxout_args (TYPE_ARG_TYPES (type));
- putc (';', asmfile);
- CHARS (1);
- }
+
+ /* Write the argument types out longhand. */
+ dbxout_type (TYPE_METHOD_BASETYPE (type), 0);
+ putc (',', asmfile);
+ CHARS (1);
+ dbxout_type (TREE_TYPE (type), 0);
+ dbxout_args (TYPE_ARG_TYPES (type));
+ putc (';', asmfile);
+ CHARS (1);
}
else
- {
- /* Treat it as a function type. */
- dbxout_type (TREE_TYPE (type), 0, 0);
- }
+ /* Treat it as a function type. */
+ dbxout_type (TREE_TYPE (type), 0);
break;
case OFFSET_TYPE:
have_used_extensions = 1;
putc ('@', asmfile);
CHARS (1);
- dbxout_type (TYPE_OFFSET_BASETYPE (type), 0, 0);
+ dbxout_type (TYPE_OFFSET_BASETYPE (type), 0);
putc (',', asmfile);
CHARS (1);
- dbxout_type (TREE_TYPE (type), 0, 0);
+ dbxout_type (TREE_TYPE (type), 0);
}
else
- {
- /* Should print as an int, because it is really
- just an offset. */
- dbxout_type (integer_type_node, 0, 0);
- }
+ /* Should print as an int, because it is really just an offset. */
+ dbxout_type (integer_type_node, 0);
break;
case REFERENCE_TYPE:
have_used_extensions = 1;
putc (use_gnu_debug_info_extensions ? '&' : '*', asmfile);
CHARS (1);
- dbxout_type (TREE_TYPE (type), 0, 0);
+ dbxout_type (TREE_TYPE (type), 0);
break;
case FUNCTION_TYPE:
putc ('f', asmfile);
CHARS (1);
- dbxout_type (TREE_TYPE (type), 0, 0);
+ dbxout_type (TREE_TYPE (type), 0);
break;
default:
high = 0, low &= (((HOST_WIDE_INT) 1 << width) - 1);
fprintf (asmfile, "0");
+ CHARS (1);
if (excess == 3)
{
- 1);
fprintf (asmfile, "%o%01o", (int) beg, (int) middle);
+ CHARS (2);
print_octal (end, HOST_BITS_PER_WIDE_INT / 3);
}
}
for (i = digits - 1; i >= 0; i--)
fprintf (asmfile, "%01o", (int) ((value >> (3 * i)) & 7));
+
+ CHARS (digits);
}
+/* Output C in decimal while adjusting the number of digits written. */
+
+static void
+print_wide_int (c)
+ HOST_WIDE_INT c;
+{
+ int digs = 0;
+
+ fprintf (asmfile, HOST_WIDE_INT_PRINT_DEC, c);
+
+ if (c < 0)
+ digs++, c = -c;
+
+ while (c > 0)
+ c /= 10; digs++;
+
+ CHARS (digs);
+}
+
/* Output the name of type TYPE, with no punctuation.
Such names can be set up either by typedef declarations
or by struct, enum and union tags. */
static void
dbxout_type_name (type)
- register tree type;
+ tree type;
{
tree t;
if (TYPE_NAME (type) == 0)
current_sym_addr = XEXP (DECL_RTL (decl), 0);
if (TREE_TYPE (type))
- dbxout_type (TREE_TYPE (type), 0, 0);
+ dbxout_type (TREE_TYPE (type), 0);
else
- dbxout_type (void_type_node, 0, 0);
+ dbxout_type (void_type_node, 0);
/* For a nested function, when that function is compiled,
mention the containing function name
&& !TREE_ASM_WRITTEN (TYPE_NAME (type))
/* Distinguish the implicit typedefs of C++
from explicit ones that might be found in C. */
- && DECL_ARTIFICIAL (decl))
+ && DECL_ARTIFICIAL (decl)
+ /* 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. */
+ && host_integerp (TYPE_SIZE (type), 1))
{
tree name = TYPE_NAME (type);
if (TREE_CODE (name) == TYPE_DECL)
fprintf (asmfile, "%s\"%s:T", ASM_STABS_OP,
IDENTIFIER_POINTER (name));
- dbxout_type (type, 1, 0);
+ dbxout_type (type, 1);
dbxout_finish_symbol (NULL_TREE);
}
putc ('t', asmfile);
current_sym_code = DBX_TYPE_DECL_STABS_CODE;
- dbxout_type (type, 1, 0);
+ dbxout_type (type, 1);
dbxout_finish_symbol (decl);
did_output = 1;
}
- /* Don't output a tag if this is an incomplete type (TYPE_SIZE is
- zero). This prevents the sun4 Sun OS 4.x dbx from crashing. */
+ /* Don't output a tag if this is an incomplete type. This prevents
+ the sun4 Sun OS 4.x dbx from crashing. */
if (tag_needed && TYPE_NAME (type) != 0
&& (TREE_CODE (TYPE_NAME (type)) == IDENTIFIER_NODE
fprintf (asmfile, "%s\"%s:T", ASM_STABS_OP,
IDENTIFIER_POINTER (name));
- dbxout_type (type, 1, 0);
+ dbxout_type (type, 1);
dbxout_finish_symbol (NULL_TREE);
did_output = 1;
}
/* Some debuggers fail when given NULL names, so give this a
harmless name of ` '. */
fprintf (asmfile, "%s\" :T", ASM_STABS_OP);
- dbxout_type (type, 1, 0);
+ dbxout_type (type, 1);
dbxout_finish_symbol (NULL_TREE);
}
case RESULT_DECL:
/* Named return value, treat like a VAR_DECL. */
case VAR_DECL:
- if (DECL_RTL (decl) == 0)
+ if (! DECL_RTL_SET_P (decl))
return 0;
/* Don't mention a variable that is external.
Let the file that defines it describe it. */
/* else it is something we handle like a normal variable. */
}
- DECL_RTL (decl) = eliminate_regs (DECL_RTL (decl), 0, NULL_RTX);
+ SET_DECL_RTL (decl, eliminate_regs (DECL_RTL (decl), 0, NULL_RTX));
#ifdef LEAF_REG_REMAP
if (current_function_uses_only_leaf_regs)
leaf_renumber_regs_insn (DECL_RTL (decl));
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)
- {
- regno = REGNO (home);
- if (regno >= FIRST_PSEUDO_REGISTER)
- return 0;
- }
- else if (GET_CODE (home) == SUBREG)
+ if (GET_CODE (home) == SUBREG)
{
rtx value = home;
- int offset = 0;
+
while (GET_CODE (value) == SUBREG)
- {
- offset += SUBREG_WORD (value);
- value = SUBREG_REG (value);
- }
+ value = SUBREG_REG (value);
if (GET_CODE (value) == REG)
{
- regno = REGNO (value);
- if (regno >= FIRST_PSEUDO_REGISTER)
+ if (REGNO (value) >= FIRST_PSEUDO_REGISTER)
return 0;
- regno += offset;
}
- alter_subreg (home);
+ home = alter_subreg (&home);
+ }
+ if (GET_CODE (home) == REG)
+ {
+ regno = REGNO (home);
+ if (regno >= FIRST_PSEUDO_REGISTER)
+ return 0;
}
/* The kind-of-variable letter depends on where
we rely on the fact that error_mark_node initializers always
end up in bss for C++ and never end up in bss for C. */
if (DECL_INITIAL (decl) == 0
- || (!strcmp (lang_identify (), "cplusplus")
+ || (!strcmp (lang_hooks.name, "GNU C++")
&& DECL_INITIAL (decl) == error_mark_node))
current_sym_code = N_LCSYM;
else if (DECL_IN_TEXT_SECTION (decl))
{
letter = 'r';
current_sym_code = N_RSYM;
+ if (REGNO (XEXP (home, 0)) >= FIRST_PSEUDO_REGISTER)
+ return 0;
current_sym_value = DBX_REGISTER_NUMBER (REGNO (XEXP (home, 0)));
}
else
}
else if (GET_CODE (home) == CONCAT)
{
- tree subtype = TREE_TYPE (type);
+ tree subtype;
+
+ /* If TYPE is not a COMPLEX_TYPE (it might be a RECORD_TYPE,
+ for example), then there is no easy way to figure out
+ what SUBTYPE should be. So, we give up. */
+ if (TREE_CODE (type) != COMPLEX_TYPE)
+ return 0;
+
+ subtype = TREE_TYPE (type);
/* If the variable's storage is in two parts,
output each as a separate stab with a modified name. */
#endif
dbxout_symbol_name (decl, suffix, letter);
- dbxout_type (type, 0, 0);
+ dbxout_type (type, 0);
dbxout_finish_symbol (decl);
#ifdef DBX_STATIC_BLOCK_END
fprintf (asmfile, "%s\"%s%s:", ASM_STABS_OP, name,
(suffix ? suffix : ""));
- if (letter) putc (letter, asmfile);
+ if (letter)
+ putc (letter, asmfile);
}
static void
so that the debugging output will be accurate. */
DECL_INCOMING_RTL (parms)
= eliminate_regs (DECL_INCOMING_RTL (parms), 0, NULL_RTX);
- DECL_RTL (parms) = eliminate_regs (DECL_RTL (parms), 0, NULL_RTX);
+ SET_DECL_RTL (parms, eliminate_regs (DECL_RTL (parms), 0, NULL_RTX));
#ifdef LEAF_REG_REMAP
if (current_function_uses_only_leaf_regs)
{
/* It is quite tempting to use:
- dbxout_type (TREE_TYPE (parms), 0, 0);
+ dbxout_type (TREE_TYPE (parms), 0);
as the next statement, rather than using DECL_ARG_TYPE(), so
that gcc reports the actual type of the parameter, rather
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);
+ produce an erroneous value. */
+ dbxout_type (DECL_ARG_TYPE (parms), 0);
current_sym_value = DEBUGGER_ARG_OFFSET (current_sym_value, addr);
dbxout_finish_symbol (parms);
}
regparm_letter);
}
- dbxout_type (parm_type, 0, 0);
+ dbxout_type (parm_type, 0);
dbxout_finish_symbol (parms);
}
else if (GET_CODE (DECL_RTL (parms)) == MEM
FORCE_TEXT;
if (DECL_NAME (parms))
{
- current_sym_nchars = 2 + strlen (IDENTIFIER_POINTER (DECL_NAME (parms)));
+ current_sym_nchars
+ = 2 + strlen (IDENTIFIER_POINTER (DECL_NAME (parms)));
fprintf (asmfile, "%s\"%s:%c", ASM_STABS_OP,
IDENTIFIER_POINTER (DECL_NAME (parms)),
regparm_letter);
}
- dbxout_type (TREE_TYPE (parms), 0, 0);
+ dbxout_type (TREE_TYPE (parms), 0);
dbxout_finish_symbol (parms);
}
else if (GET_CODE (DECL_RTL (parms)) == MEM
{
/* Parm was passed via invisible reference, with the reference
living on the stack. DECL_RTL looks like
- (MEM (MEM (PLUS (REG ...) (CONST_INT ...)))). */
- const char *decl_name = (DECL_NAME (parms)
+ (MEM (MEM (PLUS (REG ...) (CONST_INT ...)))) or it
+ could look like (MEM (MEM (REG))). */
+ const char *const decl_name = (DECL_NAME (parms)
? IDENTIFIER_POINTER (DECL_NAME (parms))
: "(anon)");
- current_sym_value
- = INTVAL (XEXP (XEXP (XEXP (DECL_RTL (parms), 0), 0), 1));
+ if (GET_CODE (XEXP (XEXP (DECL_RTL (parms), 0), 0)) == REG)
+ current_sym_value = 0;
+ else
+ current_sym_value
+ = INTVAL (XEXP (XEXP (XEXP (DECL_RTL (parms), 0), 0), 1));
current_sym_addr = 0;
FORCE_TEXT;
fprintf (asmfile, "%s\"%s:v", ASM_STABS_OP, decl_name);
- dbxout_type (TREE_TYPE (parms), 0, 0);
+ dbxout_type (TREE_TYPE (parms), 0);
dbxout_finish_symbol (parms);
}
else if (GET_CODE (DECL_RTL (parms)) == MEM
current_sym_value
= DEBUGGER_ARG_OFFSET (current_sym_value,
XEXP (DECL_RTL (parms), 0));
- dbxout_type (TREE_TYPE (parms), 0, 0);
+ dbxout_type (TREE_TYPE (parms), 0);
dbxout_finish_symbol (parms);
}
}
/* Given a chain of ..._TYPE nodes (as come in a parameter list),
output definitions of those names, in raw form */
-void
+static void
dbxout_args (args)
tree args;
{
while (args)
{
putc (',', asmfile);
- dbxout_type (TREE_VALUE (args), 0, 0);
+ dbxout_type (TREE_VALUE (args), 0);
CHARS (1);
args = TREE_CHAIN (args);
}
}
\f
-/* Given a chain of ..._TYPE nodes,
- find those which have typedef names and output those names.
- This is to ensure those types get output. */
-
-void
-dbxout_types (types)
- register tree types;
-{
- while (types)
- {
- if (TYPE_NAME (types)
- && TREE_CODE (TYPE_NAME (types)) == TYPE_DECL
- && ! TREE_ASM_WRITTEN (TYPE_NAME (types)))
- dbxout_symbol (TYPE_NAME (types), 1);
- types = TREE_CHAIN (types);
- }
-}
-\f
/* Output everything about a symbol block (a BLOCK node
that represents a scope level),
including recursive output of contained blocks.
static void
dbxout_block (block, depth, args)
- register tree block;
+ tree block;
int depth;
tree args;
{
int blocknum = -1;
- int ignored;
#if DBX_BLOCKS_FUNCTION_RELATIVE
const char *begin_label;
/* Ignore blocks never expanded or otherwise marked as real. */
if (TREE_USED (block) && TREE_ASM_WRITTEN (block))
{
-#ifndef DBX_LBRAC_FIRST
+ 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. */
- ignored = 1;
+ If nothing is output, we don't need the N_LBRAC, either. */
+ did_output = 0;
if (debug_info_level != DINFO_LEVEL_TERSE || depth == 0)
- ignored = dbxout_syms (BLOCK_VARS (block));
+ did_output = dbxout_syms (BLOCK_VARS (block));
if (args)
dbxout_reg_parms (args);
#endif
the block. Use the block's tree-walk order to generate
the assembler symbols LBBn and LBEn
that final will define around the code in this block. */
- if (depth > 0 && !ignored)
+ if (depth > 0 && did_output)
{
char buf[20];
blocknum = BLOCK_NUMBER (block);
fprintf (asmfile, "%s%d,0,0,", ASM_STABN_OP, N_LBRAC);
assemble_name (asmfile, buf);
#if DBX_BLOCKS_FUNCTION_RELATIVE
- fputc ('-', asmfile);
+ putc ('-', asmfile);
assemble_name (asmfile, begin_label);
#endif
fprintf (asmfile, "\n");
dbxout_block (BLOCK_SUBBLOCKS (block), depth + 1, NULL_TREE);
/* Refer to the marker for the end of the block. */
- if (depth > 0 && !ignored)
+ if (depth > 0 && did_output)
{
char buf[20];
ASM_GENERATE_INTERNAL_LABEL (buf, "LBE", blocknum);
fprintf (asmfile, "%s%d,0,0,", ASM_STABN_OP, N_RBRAC);
assemble_name (asmfile, buf);
#if DBX_BLOCKS_FUNCTION_RELATIVE
- fputc ('-', asmfile);
+ putc ('-', asmfile);
assemble_name (asmfile, begin_label);
#endif
fprintf (asmfile, "\n");
Usually this follows the function's code,
but on some systems, it comes before. */
+#if defined (DBX_DEBUGGING_INFO)
static void
-dbxout_really_begin_function (decl)
+dbxout_begin_function (decl)
tree decl;
{
dbxout_symbol (decl, 0);
if (DECL_NAME (DECL_RESULT (decl)) != 0)
dbxout_symbol (DECL_RESULT (decl), 1);
}
+#endif /* DBX_DEBUGGING_INFO */
-/* Called at beginning of output of function definition. */
-
-void
-dbxout_begin_function (decl)
- tree decl ATTRIBUTE_UNUSED;
-{
-#ifdef DBX_FUNCTION_FIRST
- dbxout_really_begin_function (decl);
-#endif
-}
-
-/* Output dbx data for a function definition.
- This includes a definition of the function name itself (a symbol),
- definitions of the parameters (locating them in the parameter list)
- and then output the block that makes up the function's body
- (including all the auto variables of the function). */
-
-void
-dbxout_function (decl)
- tree decl;
-{
-#ifndef DBX_FUNCTION_FIRST
- dbxout_really_begin_function (decl);
-#endif
- dbxout_block (DECL_INITIAL (decl), 0, DECL_ARGUMENTS (decl));
-#ifdef DBX_OUTPUT_FUNCTION_END
- DBX_OUTPUT_FUNCTION_END (asmfile, decl);
-#endif
-#if defined(ASM_OUTPUT_SECTION_NAME)
- if (use_gnu_debug_info_extensions
-#if defined(NO_DBX_FUNCTION_END)
- && ! NO_DBX_FUNCTION_END
-#endif
- )
- dbxout_function_end ();
-#endif
-}
#endif /* DBX_DEBUGGING_INFO || XCOFF_DEBUGGING_INFO */