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binutils-gdb/binutils/prdbg.c
Alan Modra 0d02e70b19 PR29262, memory leak in pr_function_type 
PR 29262
	* prdbg.c (pr_function_type): Free "s" on failure path.
2022-06-20 10:40:50 +09:30

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/* prdbg.c -- Print out generic debugging information.
Copyright (C) 1995-2022 Free Software Foundation, Inc.
Written by Ian Lance Taylor <ian@cygnus.com>.
Tags style generation written by Salvador E. Tropea <set@computer.org>.
This file is part of GNU Binutils.
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
/* This file prints out the generic debugging information, by
supplying a set of routines to debug_write. */
#include "sysdep.h"
#include <assert.h>
#include "bfd.h"
#include "libiberty.h"
#include "demangle.h"
#include "debug.h"
#include "budbg.h"
/* This is the structure we use as a handle for these routines. */
struct pr_handle
{
/* File to print information to. */
FILE *f;
/* Current indentation level. */
unsigned int indent;
/* Type stack. */
struct pr_stack *stack;
/* Parameter number we are about to output. */
int parameter;
/* The following are used only by the tags code (tg_). */
/* Name of the file we are using. */
char *filename;
/* The BFD. */
bfd *abfd;
/* The symbols table for this BFD. */
asymbol **syms;
/* Pointer to a function to demangle symbols. */
char *(*demangler) (bfd *, const char *, int);
};
/* The type stack. */
struct pr_stack
{
/* Next element on the stack. */
struct pr_stack *next;
/* This element. */
char *type;
/* Current visibility of fields if this is a class. */
enum debug_visibility visibility;
/* Name of the current method we are handling. */
const char *method;
/* The following are used only by the tags code (tg_). */
/* Type for the container (struct, union, class, union class). */
const char *flavor;
/* A comma separated list of parent classes. */
char *parents;
/* How many parents contains parents. */
int num_parents;
};
static void indent (struct pr_handle *);
static bool push_type (struct pr_handle *, const char *);
static bool prepend_type (struct pr_handle *, const char *);
static bool append_type (struct pr_handle *, const char *);
static bool substitute_type (struct pr_handle *, const char *);
static bool indent_type (struct pr_handle *);
static char *pop_type (struct pr_handle *);
static void print_vma (bfd_vma, char *, bool, bool);
static bool pr_fix_visibility (struct pr_handle *, enum debug_visibility);
static bool pr_start_compilation_unit (void *, const char *);
static bool pr_start_source (void *, const char *);
static bool pr_empty_type (void *);
static bool pr_void_type (void *);
static bool pr_int_type (void *, unsigned int, bool);
static bool pr_float_type (void *, unsigned int);
static bool pr_complex_type (void *, unsigned int);
static bool pr_bool_type (void *, unsigned int);
static bool pr_enum_type
(void *, const char *, const char **, bfd_signed_vma *);
static bool pr_pointer_type (void *);
static bool pr_function_type (void *, int, bool);
static bool pr_reference_type (void *);
static bool pr_range_type (void *, bfd_signed_vma, bfd_signed_vma);
static bool pr_array_type (void *, bfd_signed_vma, bfd_signed_vma, bool);
static bool pr_set_type (void *, bool);
static bool pr_offset_type (void *);
static bool pr_method_type (void *, bool, int, bool);
static bool pr_const_type (void *);
static bool pr_volatile_type (void *);
static bool pr_start_struct_type
(void *, const char *, unsigned int, bool, unsigned int);
static bool pr_struct_field
(void *, const char *, bfd_vma, bfd_vma, enum debug_visibility);
static bool pr_end_struct_type (void *);
static bool pr_start_class_type
(void *, const char *, unsigned int, bool, unsigned int, bool, bool);
static bool pr_class_static_member
(void *, const char *, const char *, enum debug_visibility);
static bool pr_class_baseclass
(void *, bfd_vma, bool, enum debug_visibility);
static bool pr_class_start_method (void *, const char *);
static bool pr_class_method_variant
(void *, const char *, enum debug_visibility, bool, bool, bfd_vma, bool);
static bool pr_class_static_method_variant
(void *, const char *, enum debug_visibility, bool, bool);
static bool pr_class_end_method (void *);
static bool pr_end_class_type (void *);
static bool pr_typedef_type (void *, const char *);
static bool pr_tag_type
(void *, const char *, unsigned int, enum debug_type_kind);
static bool pr_typdef (void *, const char *);
static bool pr_tag (void *, const char *);
static bool pr_int_constant (void *, const char *, bfd_vma);
static bool pr_float_constant (void *, const char *, double);
static bool pr_typed_constant (void *, const char *, bfd_vma);
static bool pr_variable (void *, const char *, enum debug_var_kind, bfd_vma);
static bool pr_start_function (void *, const char *, bool);
static bool pr_function_parameter
(void *, const char *, enum debug_parm_kind, bfd_vma);
static bool pr_start_block (void *, bfd_vma);
static bool pr_end_block (void *, bfd_vma);
static bool pr_end_function (void *);
static bool pr_lineno (void *, const char *, unsigned long, bfd_vma);
static bool append_parent (struct pr_handle *, const char *);
/* Only used by tg_ code. */
static bool tg_fix_visibility
(struct pr_handle *, enum debug_visibility);
static void find_address_in_section (bfd *, asection *, void *);
static void translate_addresses (bfd *, char *, FILE *, asymbol **);
static const char *visibility_name (enum debug_visibility);
/* Tags style replacements. */
static bool tg_start_compilation_unit (void *, const char *);
static bool tg_start_source (void *, const char *);
static bool tg_enum_type
(void *, const char *, const char **, bfd_signed_vma *);
static bool tg_start_struct_type
(void *, const char *, unsigned int, bool, unsigned int);
static bool pr_struct_field
(void *, const char *, bfd_vma, bfd_vma, enum debug_visibility);
static bool tg_struct_field
(void *, const char *, bfd_vma, bfd_vma, enum debug_visibility);
static bool tg_struct_field
(void *, const char *, bfd_vma, bfd_vma, enum debug_visibility);
static bool tg_end_struct_type (void *);
static bool tg_start_class_type
(void *, const char *, unsigned int, bool, unsigned int, bool, bool);
static bool tg_class_static_member
(void *, const char *, const char *, enum debug_visibility);
static bool tg_class_baseclass (void *, bfd_vma, bool, enum debug_visibility);
static bool tg_class_method_variant
(void *, const char *, enum debug_visibility, bool, bool, bfd_vma, bool);
static bool tg_class_static_method_variant
(void *, const char *, enum debug_visibility, bool, bool);
static bool tg_end_class_type (void *);
static bool tg_tag_type
(void *, const char *, unsigned int, enum debug_type_kind);
static bool tg_typdef (void *, const char *);
static bool tg_tag (void *, const char *);
static bool tg_int_constant (void *, const char *, bfd_vma);
static bool tg_float_constant (void *, const char *, double);
static bool tg_typed_constant (void *, const char *, bfd_vma);
static bool tg_variable (void *, const char *, enum debug_var_kind, bfd_vma);
static bool tg_start_function (void *, const char *, bool);
static bool tg_function_parameter
(void *, const char *, enum debug_parm_kind, bfd_vma);
static bool tg_start_block (void *, bfd_vma);
static bool tg_end_block (void *, bfd_vma);
static bool tg_lineno (void *, const char *, unsigned long, bfd_vma);
static const struct debug_write_fns pr_fns =
{
pr_start_compilation_unit,
pr_start_source,
pr_empty_type,
pr_void_type,
pr_int_type,
pr_float_type,
pr_complex_type,
pr_bool_type,
pr_enum_type,
pr_pointer_type,
pr_function_type,
pr_reference_type,
pr_range_type,
pr_array_type,
pr_set_type,
pr_offset_type,
pr_method_type,
pr_const_type,
pr_volatile_type,
pr_start_struct_type,
pr_struct_field,
pr_end_struct_type,
pr_start_class_type,
pr_class_static_member,
pr_class_baseclass,
pr_class_start_method,
pr_class_method_variant,
pr_class_static_method_variant,
pr_class_end_method,
pr_end_class_type,
pr_typedef_type,
pr_tag_type,
pr_typdef,
pr_tag,
pr_int_constant,
pr_float_constant,
pr_typed_constant,
pr_variable,
pr_start_function,
pr_function_parameter,
pr_start_block,
pr_end_block,
pr_end_function,
pr_lineno
};
static const struct debug_write_fns tg_fns =
{
tg_start_compilation_unit,
tg_start_source,
pr_empty_type, /* Same, push_type. */
pr_void_type, /* Same, push_type. */
pr_int_type, /* Same, push_type. */
pr_float_type, /* Same, push_type. */
pr_complex_type, /* Same, push_type. */
pr_bool_type, /* Same, push_type. */
tg_enum_type,
pr_pointer_type, /* Same, changes to pointer. */
pr_function_type, /* Same, push_type. */
pr_reference_type, /* Same, changes to reference. */
pr_range_type, /* FIXME: What's that?. */
pr_array_type, /* Same, push_type. */
pr_set_type, /* FIXME: What's that?. */
pr_offset_type, /* FIXME: What's that?. */
pr_method_type, /* Same. */
pr_const_type, /* Same, changes to const. */
pr_volatile_type, /* Same, changes to volatile. */
tg_start_struct_type,
tg_struct_field,
tg_end_struct_type,
tg_start_class_type,
tg_class_static_member,
tg_class_baseclass,
pr_class_start_method, /* Same, remembers that's a method. */
tg_class_method_variant,
tg_class_static_method_variant,
pr_class_end_method, /* Same, forgets that's a method. */
tg_end_class_type,
pr_typedef_type, /* Same, just push type. */
tg_tag_type,
tg_typdef,
tg_tag,
tg_int_constant, /* Untested. */
tg_float_constant, /* Untested. */
tg_typed_constant, /* Untested. */
tg_variable,
tg_start_function,
tg_function_parameter,
tg_start_block,
tg_end_block,
pr_end_function, /* Same, does nothing. */
tg_lineno
};
static int demangle_flags = DMGL_ANSI | DMGL_PARAMS;
/* Print out the generic debugging information recorded in dhandle. */
bool
print_debugging_info (FILE *f, void *dhandle, bfd *abfd, asymbol **syms,
char * (*demangler) (struct bfd *, const char *, int),
bool as_tags)
{
struct pr_handle info;
info.f = f;
info.indent = 0;
info.stack = NULL;
info.parameter = 0;
info.filename = NULL;
info.abfd = abfd;
info.syms = syms;
info.demangler = demangler;
if (as_tags)
{
fputs ("!_TAG_FILE_FORMAT\t2\t/extended format/\n", f);
fputs ("!_TAG_FILE_SORTED\t0\t/0=unsorted, 1=sorted/\n", f);
fputs ("!_TAG_PROGRAM_AUTHOR\tIan Lance Taylor, Salvador E. Tropea and others\t//\n", f);
fputs ("!_TAG_PROGRAM_NAME\tobjdump\t/From GNU binutils/\n", f);
}
return as_tags ? debug_write (dhandle, &tg_fns, (void *) & info)
: debug_write (dhandle, &pr_fns, (void *) & info);
}
/* Indent to the current indentation level. */
static void
indent (struct pr_handle *info)
{
unsigned int i;
for (i = 0; i < info->indent; i++)
putc (' ', info->f);
}
/* Push a type on the type stack. */
static bool
push_type (struct pr_handle *info, const char *type)
{
struct pr_stack *n;
if (type == NULL)
return false;
n = (struct pr_stack *) xmalloc (sizeof *n);
memset (n, 0, sizeof *n);
n->type = xstrdup (type);
n->visibility = DEBUG_VISIBILITY_IGNORE;
n->method = NULL;
n->next = info->stack;
info->stack = n;
return true;
}
/* Prepend a string onto the type on the top of the type stack. */
static bool
prepend_type (struct pr_handle *info, const char *s)
{
char *n;
assert (info->stack != NULL);
n = (char *) xmalloc (strlen (s) + strlen (info->stack->type) + 1);
sprintf (n, "%s%s", s, info->stack->type);
free (info->stack->type);
info->stack->type = n;
return true;
}
/* Append a string to the type on the top of the type stack. */
static bool
append_type (struct pr_handle *info, const char *s)
{
unsigned int len;
if (s == NULL)
return false;
assert (info->stack != NULL);
len = strlen (info->stack->type);
info->stack->type = (char *) xrealloc (info->stack->type,
len + strlen (s) + 1);
strcpy (info->stack->type + len, s);
return true;
}
/* Append a string to the parents on the top of the type stack. */
static bool
append_parent (struct pr_handle *info, const char *s)
{
unsigned int len;
if (s == NULL)
return false;
assert (info->stack != NULL);
len = info->stack->parents ? strlen (info->stack->parents) : 0;
info->stack->parents = (char *) xrealloc (info->stack->parents,
len + strlen (s) + 1);
strcpy (info->stack->parents + len, s);
return true;
}
/* We use an underscore to indicate where the name should go in a type
string. This function substitutes a string for the underscore. If
there is no underscore, the name follows the type. */
static bool
substitute_type (struct pr_handle *info, const char *s)
{
char *u;
assert (info->stack != NULL);
u = strchr (info->stack->type, '|');
if (u != NULL)
{
char *n;
n = (char *) xmalloc (strlen (info->stack->type) + strlen (s));
memcpy (n, info->stack->type, u - info->stack->type);
strcpy (n + (u - info->stack->type), s);
strcat (n, u + 1);
free (info->stack->type);
info->stack->type = n;
return true;
}
if (strchr (s, '|') != NULL
&& (strchr (info->stack->type, '{') != NULL
|| strchr (info->stack->type, '(') != NULL))
{
if (! prepend_type (info, "(")
|| ! append_type (info, ")"))
return false;
}
if (*s == '\0')
return true;
return (append_type (info, " ")
&& append_type (info, s));
}
/* Indent the type at the top of the stack by appending spaces. */
static bool
indent_type (struct pr_handle *info)
{
unsigned int i;
for (i = 0; i < info->indent; i++)
{
if (! append_type (info, " "))
return false;
}
return true;
}
/* Pop a type from the type stack. */
static char *
pop_type (struct pr_handle *info)
{
struct pr_stack *o;
char *ret;
assert (info->stack != NULL);
o = info->stack;
info->stack = o->next;
ret = o->type;
free (o);
return ret;
}
/* Print a VMA value into a string. */
static void
print_vma (bfd_vma vma, char *buf, bool unsignedp, bool hexp)
{
if (hexp)
sprintf (buf, "%#" PRIx64, (uint64_t) vma);
else if (unsignedp)
sprintf (buf, "%" PRIu64, (uint64_t) vma);
else
sprintf (buf, "%" PRId64, (int64_t) vma);
}
/* Start a new compilation unit. */
static bool
pr_start_compilation_unit (void *p, const char *filename)
{
struct pr_handle *info = (struct pr_handle *) p;
assert (info->indent == 0);
fprintf (info->f, "%s:\n", filename);
return true;
}
/* Start a source file within a compilation unit. */
static bool
pr_start_source (void *p, const char *filename)
{
struct pr_handle *info = (struct pr_handle *) p;
assert (info->indent == 0);
fprintf (info->f, " %s:\n", filename);
return true;
}
/* Push an empty type onto the type stack. */
static bool
pr_empty_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
return push_type (info, "<undefined>");
}
/* Push a void type onto the type stack. */
static bool
pr_void_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
return push_type (info, "void");
}
/* Push an integer type onto the type stack. */
static bool
pr_int_type (void *p, unsigned int size, bool unsignedp)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[40];
sprintf (ab, "%sint%d", unsignedp ? "u" : "", size * 8);
return push_type (info, ab);
}
/* Push a floating type onto the type stack. */
static bool
pr_float_type (void *p, unsigned int size)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[40];
if (size == 4)
return push_type (info, "float");
else if (size == 8)
return push_type (info, "double");
sprintf (ab, "float%d", size * 8);
return push_type (info, ab);
}
/* Push a complex type onto the type stack. */
static bool
pr_complex_type (void *p, unsigned int size)
{
struct pr_handle *info = (struct pr_handle *) p;
if (! pr_float_type (p, size))
return false;
return prepend_type (info, "complex ");
}
/* Push a bool type onto the type stack. */
static bool
pr_bool_type (void *p, unsigned int size)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[40];
sprintf (ab, "bool%d", size * 8);
return push_type (info, ab);
}
/* Push an enum type onto the type stack. */
static bool
pr_enum_type (void *p, const char *tag, const char **names,
bfd_signed_vma *values)
{
struct pr_handle *info = (struct pr_handle *) p;
unsigned int i;
bfd_signed_vma val;
if (! push_type (info, "enum "))
return false;
if (tag != NULL)
{
if (! append_type (info, tag)
|| ! append_type (info, " "))
return false;
}
if (! append_type (info, "{ "))
return false;
if (names == NULL)
{
if (! append_type (info, "/* undefined */"))
return false;
}
else
{
val = 0;
for (i = 0; names[i] != NULL; i++)
{
if (i > 0)
{
if (! append_type (info, ", "))
return false;
}
if (! append_type (info, names[i]))
return false;
if (values[i] != val)
{
char ab[22];
print_vma (values[i], ab, false, false);
if (! append_type (info, " = ")
|| ! append_type (info, ab))
return false;
val = values[i];
}
++val;
}
}
return append_type (info, " }");
}
/* Turn the top type on the stack into a pointer. */
static bool
pr_pointer_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
char *s;
assert (info->stack != NULL);
s = strchr (info->stack->type, '|');
if (s != NULL && s[1] == '[')
return substitute_type (info, "(*|)");
return substitute_type (info, "*|");
}
/* Turn the top type on the stack into a function returning that type. */
static bool
pr_function_type (void *p, int argcount, bool varargs)
{
struct pr_handle *info = (struct pr_handle *) p;
char **arg_types;
unsigned int len;
char *s;
assert (info->stack != NULL);
len = 10;
if (argcount <= 0)
{
arg_types = NULL;
len += 15;
}
else
{
int i;
arg_types = (char **) xmalloc (argcount * sizeof *arg_types);
for (i = argcount - 1; i >= 0; i--)
{
if (! substitute_type (info, ""))
{
free (arg_types);
return false;
}
arg_types[i] = pop_type (info);
if (arg_types[i] == NULL)
{
free (arg_types);
return false;
}
len += strlen (arg_types[i]) + 2;
}
if (varargs)
len += 5;
}
/* Now the return type is on the top of the stack. */
s = (char *) xmalloc (len);
strcpy (s, "(|) (");
if (argcount < 0)
strcat (s, "/* unknown */");
else
{
int i;
for (i = 0; i < argcount; i++)
{
if (i > 0)
strcat (s, ", ");
strcat (s, arg_types[i]);
}
if (varargs)
{
if (i > 0)
strcat (s, ", ");
strcat (s, "...");
}
if (argcount > 0)
free (arg_types);
}
strcat (s, ")");
bool ret = substitute_type (info, s);
free (s);
return ret;
}
/* Turn the top type on the stack into a reference to that type. */
static bool
pr_reference_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
assert (info->stack != NULL);
return substitute_type (info, "&|");
}
/* Make a range type. */
static bool
pr_range_type (void *p, bfd_signed_vma lower, bfd_signed_vma upper)
{
struct pr_handle *info = (struct pr_handle *) p;
char abl[22], abu[22];
assert (info->stack != NULL);
if (! substitute_type (info, ""))
return false;
print_vma (lower, abl, false, false);
print_vma (upper, abu, false, false);
return (prepend_type (info, "range (")
&& append_type (info, "):")
&& append_type (info, abl)
&& append_type (info, ":")
&& append_type (info, abu));
}
/* Make an array type. */
static bool
pr_array_type (void *p, bfd_signed_vma lower, bfd_signed_vma upper,
bool stringp)
{
struct pr_handle *info = (struct pr_handle *) p;
char *range_type;
char abl[22], abu[22], ab[50];
range_type = pop_type (info);
if (range_type == NULL)
return false;
if (lower == 0)
{
if (upper == -1)
sprintf (ab, "|[]");
else
{
print_vma (upper + 1, abu, false, false);
sprintf (ab, "|[%s]", abu);
}
}
else
{
print_vma (lower, abl, false, false);
print_vma (upper, abu, false, false);
sprintf (ab, "|[%s:%s]", abl, abu);
}
if (! substitute_type (info, ab))
return false;
if (strcmp (range_type, "int") != 0)
{
if (! append_type (info, ":")
|| ! append_type (info, range_type))
return false;
}
if (stringp)
{
if (! append_type (info, " /* string */"))
return false;
}
return true;
}
/* Make a set type. */
static bool
pr_set_type (void *p, bool bitstringp)
{
struct pr_handle *info = (struct pr_handle *) p;
if (! substitute_type (info, ""))
return false;
if (! prepend_type (info, "set { ")
|| ! append_type (info, " }"))
return false;
if (bitstringp)
{
if (! append_type (info, "/* bitstring */"))
return false;
}
return true;
}
/* Make an offset type. */
static bool
pr_offset_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
if (! substitute_type (info, ""))
return false;
t = pop_type (info);
if (t == NULL)
return false;
return (substitute_type (info, "")
&& prepend_type (info, " ")
&& prepend_type (info, t)
&& append_type (info, "::|"));
}
/* Make a method type. */
static bool
pr_method_type (void *p, bool domain, int argcount, bool varargs)
{
struct pr_handle *info = (struct pr_handle *) p;
unsigned int len;
char *domain_type;
char **arg_types;
char *s;
len = 10;
if (! domain)
domain_type = NULL;
else
{
if (! substitute_type (info, ""))
return false;
domain_type = pop_type (info);
if (domain_type == NULL)
return false;
if (startswith (domain_type, "class ")
&& strchr (domain_type + sizeof "class " - 1, ' ') == NULL)
domain_type += sizeof "class " - 1;
else if (startswith (domain_type, "union class ")
&& (strchr (domain_type + sizeof "union class " - 1, ' ')
== NULL))
domain_type += sizeof "union class " - 1;
len += strlen (domain_type);
}
if (argcount <= 0)
{
arg_types = NULL;
len += 15;
}
else
{
int i;
arg_types = (char **) xmalloc (argcount * sizeof *arg_types);
for (i = argcount - 1; i >= 0; i--)
{
if (! substitute_type (info, ""))
{
free (arg_types);
return false;
}
arg_types[i] = pop_type (info);
if (arg_types[i] == NULL)
{
free (arg_types);
return false;
}
len += strlen (arg_types[i]) + 2;
}
if (varargs)
len += 5;
}
/* Now the return type is on the top of the stack. */
s = (char *) xmalloc (len);
if (! domain)
*s = '\0';
else
strcpy (s, domain_type);
strcat (s, "::| (");
if (argcount < 0)
strcat (s, "/* unknown */");
else
{
int i;
for (i = 0; i < argcount; i++)
{
if (i > 0)
strcat (s, ", ");
strcat (s, arg_types[i]);
}
if (varargs)
{
if (i > 0)
strcat (s, ", ");
strcat (s, "...");
}
if (argcount > 0)
free (arg_types);
}
strcat (s, ")");
if (! substitute_type (info, s))
return false;
free (s);
return true;
}
/* Make a const qualified type. */
static bool
pr_const_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
return substitute_type (info, "const |");
}
/* Make a volatile qualified type. */
static bool
pr_volatile_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
return substitute_type (info, "volatile |");
}
/* Start accumulating a struct type. */
static bool
pr_start_struct_type (void *p, const char *tag, unsigned int id,
bool structp, unsigned int size)
{
struct pr_handle *info = (struct pr_handle *) p;
info->indent += 2;
if (! push_type (info, structp ? "struct " : "union "))
return false;
if (tag != NULL)
{
if (! append_type (info, tag))
return false;
}
else
{
char idbuf[20];
sprintf (idbuf, "%%anon%u", id);
if (! append_type (info, idbuf))
return false;
}
if (! append_type (info, " {"))
return false;
if (size != 0 || tag != NULL)
{
char ab[30];
if (! append_type (info, " /*"))
return false;
if (size != 0)
{
sprintf (ab, " size %u", size);
if (! append_type (info, ab))
return false;
}
if (tag != NULL)
{
sprintf (ab, " id %u", id);
if (! append_type (info, ab))
return false;
}
if (! append_type (info, " */"))
return false;
}
if (! append_type (info, "\n"))
return false;
info->stack->visibility = DEBUG_VISIBILITY_PUBLIC;
return indent_type (info);
}
/* Output the visibility of a field in a struct. */
static bool
pr_fix_visibility (struct pr_handle *info, enum debug_visibility visibility)
{
const char *s = NULL;
char *t;
unsigned int len;
assert (info->stack != NULL);
if (info->stack->visibility == visibility)
return true;
switch (visibility)
{
case DEBUG_VISIBILITY_PUBLIC:
s = "public";
break;
case DEBUG_VISIBILITY_PRIVATE:
s = "private";
break;
case DEBUG_VISIBILITY_PROTECTED:
s = "protected";
break;
case DEBUG_VISIBILITY_IGNORE:
s = "/* ignore */";
break;
default:
abort ();
return false;
}
/* Trim off a trailing space in the struct string, to make the
output look a bit better, then stick on the visibility string. */
t = info->stack->type;
len = strlen (t);
assert (t[len - 1] == ' ');
t[len - 1] = '\0';
if (! append_type (info, s)
|| ! append_type (info, ":\n")
|| ! indent_type (info))
return false;
info->stack->visibility = visibility;
return true;
}
/* Add a field to a struct type. */
static bool
pr_struct_field (void *p, const char *name, bfd_vma bitpos, bfd_vma bitsize,
enum debug_visibility visibility)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[22];
char *t;
if (! substitute_type (info, name))
return false;
if (! append_type (info, "; /* "))
return false;
if (bitsize != 0)
{
print_vma (bitsize, ab, true, false);
if (! append_type (info, "bitsize ")
|| ! append_type (info, ab)
|| ! append_type (info, ", "))
return false;
}
print_vma (bitpos, ab, true, false);
if (! append_type (info, "bitpos ")
|| ! append_type (info, ab)
|| ! append_type (info, " */\n")
|| ! indent_type (info))
return false;
t = pop_type (info);
if (t == NULL)
return false;
if (! pr_fix_visibility (info, visibility))
return false;
return append_type (info, t);
}
/* Finish a struct type. */
static bool
pr_end_struct_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
char *s;
assert (info->stack != NULL);
assert (info->indent >= 2);
info->indent -= 2;
/* Change the trailing indentation to have a close brace. */
s = info->stack->type + strlen (info->stack->type) - 2;
assert (s[0] == ' ' && s[1] == ' ' && s[2] == '\0');
*s++ = '}';
*s = '\0';
return true;
}
/* Start a class type. */
static bool
pr_start_class_type (void *p, const char *tag, unsigned int id,
bool structp, unsigned int size,
bool vptr, bool ownvptr)
{
struct pr_handle *info = (struct pr_handle *) p;
char *tv = NULL;
info->indent += 2;
if (vptr && ! ownvptr)
{
tv = pop_type (info);
if (tv == NULL)
return false;
}
if (! push_type (info, structp ? "class " : "union class "))
return false;
if (tag != NULL)
{
if (! append_type (info, tag))
return false;
}
else
{
char idbuf[20];
sprintf (idbuf, "%%anon%u", id);
if (! append_type (info, idbuf))
return false;
}
if (! append_type (info, " {"))
return false;
if (size != 0 || vptr || ownvptr || tag != NULL)
{
if (! append_type (info, " /*"))
return false;
if (size != 0)
{
char ab[20];
sprintf (ab, "%u", size);
if (! append_type (info, " size ")
|| ! append_type (info, ab))
return false;
}
if (vptr)
{
if (! append_type (info, " vtable "))
return false;
if (ownvptr)
{
if (! append_type (info, "self "))
return false;
}
else
{
if (! append_type (info, tv)
|| ! append_type (info, " "))
return false;
}
}
if (tag != NULL)
{
char ab[30];
sprintf (ab, " id %u", id);
if (! append_type (info, ab))
return false;
}
if (! append_type (info, " */"))
return false;
}
info->stack->visibility = DEBUG_VISIBILITY_PRIVATE;
return (append_type (info, "\n")
&& indent_type (info));
}
/* Add a static member to a class. */
static bool
pr_class_static_member (void *p, const char *name, const char *physname,
enum debug_visibility visibility)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
if (! substitute_type (info, name))
return false;
if (! prepend_type (info, "static ")
|| ! append_type (info, "; /* ")
|| ! append_type (info, physname)
|| ! append_type (info, " */\n")
|| ! indent_type (info))
return false;
t = pop_type (info);
if (t == NULL)
return false;
if (! pr_fix_visibility (info, visibility))
return false;
return append_type (info, t);
}
/* Add a base class to a class. */
static bool
pr_class_baseclass (void *p, bfd_vma bitpos, bool is_virtual,
enum debug_visibility visibility)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
const char *prefix;
char ab[22];
char *s, *l, *n;
assert (info->stack != NULL && info->stack->next != NULL);
if (! substitute_type (info, ""))
return false;
t = pop_type (info);
if (t == NULL)
return false;
if (startswith (t, "class "))
t += sizeof "class " - 1;
/* Push it back on to take advantage of the prepend_type and
append_type routines. */
if (! push_type (info, t))
return false;
if (is_virtual)
{
if (! prepend_type (info, "virtual "))
return false;
}
switch (visibility)
{
case DEBUG_VISIBILITY_PUBLIC:
prefix = "public ";
break;
case DEBUG_VISIBILITY_PROTECTED:
prefix = "protected ";
break;
case DEBUG_VISIBILITY_PRIVATE:
prefix = "private ";
break;
default:
prefix = "/* unknown visibility */ ";
break;
}
if (! prepend_type (info, prefix))
return false;
if (bitpos != 0)
{
print_vma (bitpos, ab, true, false);
if (! append_type (info, " /* bitpos ")
|| ! append_type (info, ab)
|| ! append_type (info, " */"))
return false;
}
/* Now the top of the stack is something like "public A / * bitpos
10 * /". The next element on the stack is something like "class
xx { / * size 8 * /\n...". We want to substitute the top of the
stack in before the {. */
s = strchr (info->stack->next->type, '{');
assert (s != NULL);
--s;
/* If there is already a ':', then we already have a baseclass, and
we must append this one after a comma. */
for (l = info->stack->next->type; l != s; l++)
if (*l == ':')
break;
if (! prepend_type (info, l == s ? " : " : ", "))
return false;
t = pop_type (info);
if (t == NULL)
return false;
n = (char *) xmalloc (strlen (info->stack->type) + strlen (t) + 1);
memcpy (n, info->stack->type, s - info->stack->type);
strcpy (n + (s - info->stack->type), t);
strcat (n, s);
free (info->stack->type);
info->stack->type = n;
free (t);
return true;
}
/* Start adding a method to a class. */
static bool
pr_class_start_method (void *p, const char *name)
{
struct pr_handle *info = (struct pr_handle *) p;
assert (info->stack != NULL);
info->stack->method = name;
return true;
}
/* Add a variant to a method. */
static bool
pr_class_method_variant (void *p, const char *physname,
enum debug_visibility visibility,
bool constp, bool volatilep,
bfd_vma voffset, bool context)
{
struct pr_handle *info = (struct pr_handle *) p;
char *method_type;
char *context_type;
assert (info->stack != NULL);
assert (info->stack->next != NULL);
/* Put the const and volatile qualifiers on the type. */
if (volatilep)
{
if (! append_type (info, " volatile"))
return false;
}
if (constp)
{
if (! append_type (info, " const"))
return false;
}
/* Stick the name of the method into its type. */
if (! substitute_type (info,
(context
? info->stack->next->next->method
: info->stack->next->method)))
return false;
/* Get the type. */
method_type = pop_type (info);
if (method_type == NULL)
return false;
/* Pull off the context type if there is one. */
if (! context)
context_type = NULL;
else
{
context_type = pop_type (info);
if (context_type == NULL)
return false;
}
/* Now the top of the stack is the class. */
if (! pr_fix_visibility (info, visibility))
return false;
if (! append_type (info, method_type)
|| ! append_type (info, " /* ")
|| ! append_type (info, physname)
|| ! append_type (info, " "))
return false;
if (context || voffset != 0)
{
char ab[22];
if (context)
{
if (! append_type (info, "context ")
|| ! append_type (info, context_type)
|| ! append_type (info, " "))
return false;
}
print_vma (voffset, ab, true, false);
if (! append_type (info, "voffset ")
|| ! append_type (info, ab))
return false;
}
return (append_type (info, " */;\n")
&& indent_type (info));
}
/* Add a static variant to a method. */
static bool
pr_class_static_method_variant (void *p, const char *physname,
enum debug_visibility visibility,
bool constp, bool volatilep)
{
struct pr_handle *info = (struct pr_handle *) p;
char *method_type;
assert (info->stack != NULL);
assert (info->stack->next != NULL);
assert (info->stack->next->method != NULL);
/* Put the const and volatile qualifiers on the type. */
if (volatilep)
{
if (! append_type (info, " volatile"))
return false;
}
if (constp)
{
if (! append_type (info, " const"))
return false;
}
/* Mark it as static. */
if (! prepend_type (info, "static "))
return false;
/* Stick the name of the method into its type. */
if (! substitute_type (info, info->stack->next->method))
return false;
/* Get the type. */
method_type = pop_type (info);
if (method_type == NULL)
return false;
/* Now the top of the stack is the class. */
if (! pr_fix_visibility (info, visibility))
return false;
return (append_type (info, method_type)
&& append_type (info, " /* ")
&& append_type (info, physname)
&& append_type (info, " */;\n")
&& indent_type (info));
}
/* Finish up a method. */
static bool
pr_class_end_method (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
info->stack->method = NULL;
return true;
}
/* Finish up a class. */
static bool
pr_end_class_type (void *p)
{
return pr_end_struct_type (p);
}
/* Push a type on the stack using a typedef name. */
static bool
pr_typedef_type (void *p, const char *name)
{
struct pr_handle *info = (struct pr_handle *) p;
return push_type (info, name);
}
/* Push a type on the stack using a tag name. */
static bool
pr_tag_type (void *p, const char *name, unsigned int id,
enum debug_type_kind kind)
{
struct pr_handle *info = (struct pr_handle *) p;
const char *t, *tag;
char idbuf[22];
switch (kind)
{
case DEBUG_KIND_STRUCT:
t = "struct ";
break;
case DEBUG_KIND_UNION:
t = "union ";
break;
case DEBUG_KIND_ENUM:
t = "enum ";
break;
case DEBUG_KIND_CLASS:
t = "class ";
break;
case DEBUG_KIND_UNION_CLASS:
t = "union class ";
break;
default:
/* PR 25625: Corrupt input can trigger this case. */
return false;
}
if (! push_type (info, t))
return false;
if (name != NULL)
tag = name;
else
{
sprintf (idbuf, "%%anon%u", id);
tag = idbuf;
}
if (! append_type (info, tag))
return false;
if (name != NULL && kind != DEBUG_KIND_ENUM)
{
sprintf (idbuf, " /* id %u */", id);
if (! append_type (info, idbuf))
return false;
}
return true;
}
/* Output a typedef. */
static bool
pr_typdef (void *p, const char *name)
{
struct pr_handle *info = (struct pr_handle *) p;
char *s;
if (! substitute_type (info, name))
return false;
s = pop_type (info);
if (s == NULL)
return false;
indent (info);
fprintf (info->f, "typedef %s;\n", s);
free (s);
return true;
}
/* Output a tag. The tag should already be in the string on the
stack, so all we have to do here is print it out. */
static bool
pr_tag (void *p, const char *name ATTRIBUTE_UNUSED)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
t = pop_type (info);
if (t == NULL)
return false;
indent (info);
fprintf (info->f, "%s;\n", t);
free (t);
return true;
}
/* Output an integer constant. */
static bool
pr_int_constant (void *p, const char *name, bfd_vma val)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[22];
indent (info);
print_vma (val, ab, false, false);
fprintf (info->f, "const int %s = %s;\n", name, ab);
return true;
}
/* Output a floating point constant. */
static bool
pr_float_constant (void *p, const char *name, double val)
{
struct pr_handle *info = (struct pr_handle *) p;
indent (info);
fprintf (info->f, "const double %s = %g;\n", name, val);
return true;
}
/* Output a typed constant. */
static bool
pr_typed_constant (void *p, const char *name, bfd_vma val)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
char ab[22];
t = pop_type (info);
if (t == NULL)
return false;
indent (info);
print_vma (val, ab, false, false);
fprintf (info->f, "const %s %s = %s;\n", t, name, ab);
free (t);
return true;
}
/* Output a variable. */
static bool
pr_variable (void *p, const char *name, enum debug_var_kind kind,
bfd_vma val)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
char ab[22];
if (! substitute_type (info, name))
return false;
t = pop_type (info);
if (t == NULL)
return false;
indent (info);
switch (kind)
{
case DEBUG_STATIC:
case DEBUG_LOCAL_STATIC:
fprintf (info->f, "static ");
break;
case DEBUG_REGISTER:
fprintf (info->f, "register ");
break;
default:
break;
}
print_vma (val, ab, true, true);
fprintf (info->f, "%s /* %s */;\n", t, ab);
free (t);
return true;
}
/* Start outputting a function. */
static bool
pr_start_function (void *p, const char *name, bool global)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
if (! substitute_type (info, name))
return false;
t = pop_type (info);
if (t == NULL)
return false;
indent (info);
if (! global)
fprintf (info->f, "static ");
fprintf (info->f, "%s (", t);
info->parameter = 1;
return true;
}
/* Output a function parameter. */
static bool
pr_function_parameter (void *p, const char *name,
enum debug_parm_kind kind, bfd_vma val)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
char ab[22];
if (kind == DEBUG_PARM_REFERENCE
|| kind == DEBUG_PARM_REF_REG)
{
if (! pr_reference_type (p))
return false;
}
if (! substitute_type (info, name))
return false;
t = pop_type (info);
if (t == NULL)
return false;
if (info->parameter != 1)
fprintf (info->f, ", ");
if (kind == DEBUG_PARM_REG || kind == DEBUG_PARM_REF_REG)
fprintf (info->f, "register ");
print_vma (val, ab, true, true);
fprintf (info->f, "%s /* %s */", t, ab);
free (t);
++info->parameter;
return true;
}
/* Start writing out a block. */
static bool
pr_start_block (void *p, bfd_vma addr)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[22];
if (info->parameter > 0)
{
fprintf (info->f, ")\n");
info->parameter = 0;
}
indent (info);
print_vma (addr, ab, true, true);
fprintf (info->f, "{ /* %s */\n", ab);
info->indent += 2;
return true;
}
/* Write out line number information. */
static bool
pr_lineno (void *p, const char *filename, unsigned long lineno, bfd_vma addr)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[22];
indent (info);
print_vma (addr, ab, true, true);
fprintf (info->f, "/* file %s line %lu addr %s */\n", filename, lineno, ab);
return true;
}
/* Finish writing out a block. */
static bool
pr_end_block (void *p, bfd_vma addr)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[22];
info->indent -= 2;
indent (info);
print_vma (addr, ab, true, true);
fprintf (info->f, "} /* %s */\n", ab);
return true;
}
/* Finish writing out a function. */
static bool
pr_end_function (void *p ATTRIBUTE_UNUSED)
{
return true;
}
/* Tags style generation functions start here. */
/* Variables for address to line translation. */
static bfd_vma pc;
static const char *filename;
static const char *functionname;
static unsigned int line;
static bool found;
/* Look for an address in a section. This is called via
bfd_map_over_sections. */
static void
find_address_in_section (bfd *abfd, asection *section, void *data)
{
bfd_vma vma;
bfd_size_type size;
asymbol **syms = (asymbol **) data;
if (found)
return;
if ((bfd_section_flags (section) & SEC_ALLOC) == 0)
return;
vma = bfd_section_vma (section);
if (pc < vma)
return;
size = bfd_section_size (section);
if (pc >= vma + size)
return;
found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
&filename, &functionname, &line);
}
static void
translate_addresses (bfd *abfd, char *addr_hex, FILE *f, asymbol **syms)
{
pc = bfd_scan_vma (addr_hex, NULL, 16);
found = false;
bfd_map_over_sections (abfd, find_address_in_section, syms);
if (! found)
fprintf (f, "??");
else
fprintf (f, "%u", line);
}
/* Start a new compilation unit. */
static bool
tg_start_compilation_unit (void * p, const char *fname ATTRIBUTE_UNUSED)
{
struct pr_handle *info = (struct pr_handle *) p;
free (info->filename);
/* Should it be relative? best way to do it here?. */
info->filename = strdup (fname);
return true;
}
/* Start a source file within a compilation unit. */
static bool
tg_start_source (void *p, const char *fname)
{
struct pr_handle *info = (struct pr_handle *) p;
free (info->filename);
/* Should it be relative? best way to do it here?. */
info->filename = strdup (fname);
return true;
}
/* Push an enum type onto the type stack. */
static bool
tg_enum_type (void *p, const char *tag, const char **names,
bfd_signed_vma *values)
{
struct pr_handle *info = (struct pr_handle *) p;
unsigned int i;
const char *name;
char ab[22];
if (! pr_enum_type (p, tag, names, values))
return false;
name = tag ? tag : "unknown";
/* Generate an entry for the enum. */
if (tag)
fprintf (info->f, "%s\t%s\t0;\"\tkind:e\ttype:%s\n", tag,
info->filename, info->stack->type);
/* Generate entries for the values. */
if (names != NULL)
{
for (i = 0; names[i] != NULL; i++)
{
print_vma (values[i], ab, false, false);
fprintf (info->f, "%s\t%s\t0;\"\tkind:g\tenum:%s\tvalue:%s\n",
names[i], info->filename, name, ab);
}
}
return true;
}
/* Start accumulating a struct type. */
static bool
tg_start_struct_type (void *p, const char *tag, unsigned int id,
bool structp,
unsigned int size ATTRIBUTE_UNUSED)
{
struct pr_handle *info = (struct pr_handle *) p;
const char *name;
char idbuf[20];
if (tag != NULL)
name = tag;
else
{
name = idbuf;
sprintf (idbuf, "%%anon%u", id);
}
if (! push_type (info, name))
return false;
info->stack->flavor = structp ? "struct" : "union";
fprintf (info->f, "%s\t%s\t0;\"\tkind:%c\n", name, info->filename,
info->stack->flavor[0]);
info->stack->visibility = DEBUG_VISIBILITY_PUBLIC;
return indent_type (info);
}
/* Output the visibility of a field in a struct. */
static bool
tg_fix_visibility (struct pr_handle *info, enum debug_visibility visibility)
{
assert (info->stack != NULL);
if (info->stack->visibility == visibility)
return true;
assert (info->stack->visibility != DEBUG_VISIBILITY_IGNORE);
info->stack->visibility = visibility;
return true;
}
/* Add a field to a struct type. */
static bool
tg_struct_field (void *p, const char *name, bfd_vma bitpos ATTRIBUTE_UNUSED,
bfd_vma bitsize ATTRIBUTE_UNUSED,
enum debug_visibility visibility)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
t = pop_type (info);
if (t == NULL)
return false;
if (! tg_fix_visibility (info, visibility))
return false;
/* It happens, a bug? */
if (! name[0])
return true;
fprintf (info->f, "%s\t%s\t0;\"\tkind:m\ttype:%s\t%s:%s\taccess:%s\n",
name, info->filename, t, info->stack->flavor, info->stack->type,
visibility_name (visibility));
return true;
}
/* Finish a struct type. */
static bool
tg_end_struct_type (void *p ATTRIBUTE_UNUSED)
{
assert (((struct pr_handle *) p)->stack != NULL);
return true;
}
/* Start a class type. */
static bool
tg_start_class_type (void *p, const char *tag, unsigned int id,
bool structp, unsigned int size,
bool vptr, bool ownvptr)
{
struct pr_handle *info = (struct pr_handle *) p;
char *tv = NULL;
const char *name;
char idbuf[20];
info->indent += 2;
if (vptr && ! ownvptr)
{
tv = pop_type (info);
if (tv == NULL)
return false;
}
if (tag != NULL)
name = tag;
else
{
sprintf (idbuf, "%%anon%u", id);
name = idbuf;
}
if (! push_type (info, name))
return false;
info->stack->flavor = structp ? "class" : "union class";
info->stack->parents = NULL;
info->stack->num_parents = 0;
if (size != 0 || vptr || ownvptr || tag != NULL)
{
if (vptr)
{
if (! append_type (info, " vtable "))
return false;
if (ownvptr)
{
if (! append_type (info, "self "))
return false;
}
else
{
if (! append_type (info, tv)
|| ! append_type (info, " "))
return false;
}
}
}
info->stack->visibility = DEBUG_VISIBILITY_PRIVATE;
return true;
}
/* Add a static member to a class. */
static bool
tg_class_static_member (void *p, const char *name,
const char *physname ATTRIBUTE_UNUSED,
enum debug_visibility visibility)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
int len_var, len_class;
char *full_name;
len_var = strlen (name);
len_class = strlen (info->stack->next->type);
full_name = (char *) xmalloc (len_var + len_class + 3);
if (! full_name)
return false;
sprintf (full_name, "%s::%s", info->stack->next->type, name);
if (! substitute_type (info, full_name))
{
free (full_name);
return false;
}
if (! prepend_type (info, "static "))
{
free (full_name);
return false;
}
t = pop_type (info);
if (t == NULL)
{
free (full_name);
return false;
}
if (! tg_fix_visibility (info, visibility))
{
free (t);
free (full_name);
return false;
}
fprintf (info->f, "%s\t%s\t0;\"\tkind:x\ttype:%s\tclass:%s\taccess:%s\n",
name, info->filename, t, info->stack->type,
visibility_name (visibility));
free (t);
free (full_name);
return true;
}
/* Add a base class to a class. */
static bool
tg_class_baseclass (void *p, bfd_vma bitpos ATTRIBUTE_UNUSED,
bool is_virtual, enum debug_visibility visibility)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
const char *prefix;
assert (info->stack != NULL && info->stack->next != NULL);
t = pop_type (info);
if (t == NULL)
return false;
if (startswith (t, "class "))
t += sizeof "class " - 1;
/* Push it back on to take advantage of the prepend_type and
append_type routines. */
if (! push_type (info, t))
return false;
if (is_virtual)
{
if (! prepend_type (info, "virtual "))
return false;
}
switch (visibility)
{
case DEBUG_VISIBILITY_PUBLIC:
prefix = "public ";
break;
case DEBUG_VISIBILITY_PROTECTED:
prefix = "protected ";
break;
case DEBUG_VISIBILITY_PRIVATE:
prefix = "private ";
break;
default:
prefix = "/* unknown visibility */ ";
break;
}
if (! prepend_type (info, prefix))
return false;
t = pop_type (info);
if (t == NULL)
return false;
if (info->stack->num_parents && ! append_parent (info, ", "))
return false;
if (! append_parent (info, t))
return false;
info->stack->num_parents++;
free (t);
return true;
}
/* Add a variant to a method. */
static bool
tg_class_method_variant (void *p, const char *physname ATTRIBUTE_UNUSED,
enum debug_visibility visibility,
bool constp, bool volatilep,
bfd_vma voffset ATTRIBUTE_UNUSED,
bool context)
{
struct pr_handle *info = (struct pr_handle *) p;
char *method_type;
char *context_type;
char *method_name;
assert (info->stack != NULL);
assert (info->stack->next != NULL);
/* Put the const and volatile qualifiers on the type. */
if (volatilep)
{
if (! append_type (info, " volatile"))
return false;
}
if (constp)
{
if (! append_type (info, " const"))
return false;
}
method_name = strdup (context ? info->stack->next->next->method
: info->stack->next->method);
/* Stick the name of the method into its type. */
if (! substitute_type (info, method_name))
{
free (method_name);
return false;
}
/* Get the type. */
method_type = pop_type (info);
if (method_type == NULL)
{
free (method_name);
return false;
}
/* Pull off the context type if there is one. */
if (! context)
context_type = NULL;
else
{
context_type = pop_type (info);
if (context_type == NULL)
{
free (method_type);
free (method_name);
return false;
}
}
/* Now the top of the stack is the class. */
if (! tg_fix_visibility (info, visibility))
{
free (method_type);
free (method_name);
free (context_type);
return false;
}
fprintf (info->f, "%s\t%s\t0;\"\tkind:p\ttype:%s\tclass:%s\n",
method_name, info->filename, method_type, info->stack->type);
free (method_type);
free (method_name);
free (context_type);
return true;
}
/* Add a static variant to a method. */
static bool
tg_class_static_method_variant (void *p,
const char *physname ATTRIBUTE_UNUSED,
enum debug_visibility visibility,
bool constp, bool volatilep)
{
struct pr_handle *info = (struct pr_handle *) p;
char *method_type;
char *method_name;
assert (info->stack != NULL);
assert (info->stack->next != NULL);
assert (info->stack->next->method != NULL);
/* Put the const and volatile qualifiers on the type. */
if (volatilep)
{
if (! append_type (info, " volatile"))
return false;
}
if (constp)
{
if (! append_type (info, " const"))
return false;
}
/* Mark it as static. */
if (! prepend_type (info, "static "))
return false;
method_name = strdup (info->stack->next->method);
/* Stick the name of the method into its type. */
if (! substitute_type (info, info->stack->next->method))
{
free (method_name);
return false;
}
/* Get the type. */
method_type = pop_type (info);
if (method_type == NULL)
{
free (method_name);
return false;
}
/* Now the top of the stack is the class. */
if (! tg_fix_visibility (info, visibility))
{
free (method_type);
free (method_name);
return false;
}
fprintf (info->f, "%s\t%s\t0;\"\tkind:p\ttype:%s\tclass:%s\taccess:%s\n",
method_name, info->filename, method_type, info->stack->type,
visibility_name (visibility));
free (method_type);
free (method_name);
return true;
}
/* Finish up a class. */
static bool
tg_end_class_type (void *p)
{
struct pr_handle *info = (struct pr_handle *) p;
fprintf (info->f, "%s\t%s\t0;\"\tkind:c\ttype:%s", info->stack->type,
info->filename, info->stack->flavor);
if (info->stack->num_parents)
{
fprintf (info->f, "\tinherits:%s", info->stack->parents);
free (info->stack->parents);
}
fputc ('\n', info->f);
return tg_end_struct_type (p);
}
/* Push a type on the stack using a tag name. */
static bool
tg_tag_type (void *p, const char *name, unsigned int id,
enum debug_type_kind kind)
{
struct pr_handle *info = (struct pr_handle *) p;
const char *t, *tag;
char idbuf[20];
switch (kind)
{
case DEBUG_KIND_STRUCT:
t = "struct ";
break;
case DEBUG_KIND_UNION:
t = "union ";
break;
case DEBUG_KIND_ENUM:
t = "enum ";
break;
case DEBUG_KIND_CLASS:
t = "class ";
break;
case DEBUG_KIND_UNION_CLASS:
t = "union class ";
break;
default:
abort ();
return false;
}
if (! push_type (info, t))
return false;
if (name != NULL)
tag = name;
else
{
sprintf (idbuf, "%%anon%u", id);
tag = idbuf;
}
if (! append_type (info, tag))
return false;
return true;
}
/* Output a typedef. */
static bool
tg_typdef (void *p, const char *name)
{
struct pr_handle *info = (struct pr_handle *) p;
char *s;
s = pop_type (info);
if (s == NULL)
return false;
fprintf (info->f, "%s\t%s\t0;\"\tkind:t\ttype:%s\n", name,
info->filename, s);
free (s);
return true;
}
/* Output a tag. The tag should already be in the string on the
stack, so all we have to do here is print it out. */
static bool
tg_tag (void *p ATTRIBUTE_UNUSED, const char *name ATTRIBUTE_UNUSED)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
t = pop_type (info);
if (t == NULL)
return false;
free (t);
return true;
}
/* Output an integer constant. */
static bool
tg_int_constant (void *p, const char *name, bfd_vma val)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[22];
indent (info);
print_vma (val, ab, false, false);
fprintf (info->f, "%s\t%s\t0;\"\tkind:v\ttype:const int\tvalue:%s\n",
name, info->filename, ab);
return true;
}
/* Output a floating point constant. */
static bool
tg_float_constant (void *p, const char *name, double val)
{
struct pr_handle *info = (struct pr_handle *) p;
indent (info);
fprintf (info->f, "%s\t%s\t0;\"\tkind:v\ttype:const double\tvalue:%g\n",
name, info->filename, val);
return true;
}
/* Output a typed constant. */
static bool
tg_typed_constant (void *p, const char *name, bfd_vma val)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
char ab[22];
t = pop_type (info);
if (t == NULL)
return false;
indent (info);
print_vma (val, ab, false, false);
fprintf (info->f, "%s\t%s\t0;\"\tkind:v\ttype:const %s\tvalue:%s\n",
name, info->filename, t, ab);
free (t);
return true;
}
/* Output a variable. */
static bool
tg_variable (void *p, const char *name, enum debug_var_kind kind,
bfd_vma val ATTRIBUTE_UNUSED)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t, *dname, *from_class;
t = pop_type (info);
if (t == NULL)
return false;
dname = NULL;
if (info->demangler)
dname = info->demangler (info->abfd, name, demangle_flags);
from_class = NULL;
if (dname != NULL)
{
char *sep;
sep = strstr (dname, "::");
if (sep)
{
*sep = 0;
name = sep + 2;
from_class = dname;
}
else
/* Obscure types as vts and type_info nodes. */
name = dname;
}
fprintf (info->f, "%s\t%s\t0;\"\tkind:v\ttype:%s", name, info->filename, t);
switch (kind)
{
case DEBUG_STATIC:
case DEBUG_LOCAL_STATIC:
fprintf (info->f, "\tfile:");
break;
case DEBUG_REGISTER:
fprintf (info->f, "\tregister:");
break;
default:
break;
}
if (from_class)
fprintf (info->f, "\tclass:%s", from_class);
if (dname)
free (dname);
fprintf (info->f, "\n");
free (t);
return true;
}
/* Start outputting a function. */
static bool
tg_start_function (void *p, const char *name, bool global)
{
struct pr_handle *info = (struct pr_handle *) p;
char *dname;
if (! global)
info->stack->flavor = "static";
else
info->stack->flavor = NULL;
dname = NULL;
if (info->demangler)
dname = info->demangler (info->abfd, name, demangle_flags);
if (! substitute_type (info, dname ? dname : name))
return false;
info->stack->method = NULL;
if (dname != NULL)
{
char *sep;
sep = strstr (dname, "::");
if (sep)
{
info->stack->method = dname;
*sep = 0;
name = sep + 2;
}
else
{
info->stack->method = "";
name = dname;
}
sep = strchr (name, '(');
if (sep)
*sep = 0;
/* Obscure functions as type_info function. */
}
info->stack->parents = strdup (name);
if (! info->stack->method && ! append_type (info, "("))
return false;
info->parameter = 1;
return true;
}
/* Output a function parameter. */
static bool
tg_function_parameter (void *p, const char *name, enum debug_parm_kind kind,
bfd_vma val ATTRIBUTE_UNUSED)
{
struct pr_handle *info = (struct pr_handle *) p;
char *t;
if (kind == DEBUG_PARM_REFERENCE
|| kind == DEBUG_PARM_REF_REG)
{
if (! pr_reference_type (p))
return false;
}
if (! substitute_type (info, name))
return false;
t = pop_type (info);
if (t == NULL)
return false;
if (! info->stack->method)
{
if (info->parameter != 1 && ! append_type (info, ", "))
return false;
if (kind == DEBUG_PARM_REG || kind == DEBUG_PARM_REF_REG)
if (! append_type (info, "register "))
return false;
if (! append_type (info, t))
return false;
}
free (t);
++info->parameter;
return true;
}
/* Start writing out a block. */
static bool
tg_start_block (void *p, bfd_vma addr)
{
struct pr_handle *info = (struct pr_handle *) p;
char ab[22], kind, *partof;
char *t;
bool local;
if (info->parameter > 0)
{
info->parameter = 0;
/* Delayed name. */
fprintf (info->f, "%s\t%s\t", info->stack->parents, info->filename);
free (info->stack->parents);
print_vma (addr, ab, true, true);
translate_addresses (info->abfd, ab, info->f, info->syms);
local = info->stack->flavor != NULL;
if (info->stack->method && *info->stack->method)
{
kind = 'm';
partof = (char *) info->stack->method;
}
else
{
kind = 'f';
partof = NULL;
if (! info->stack->method && ! append_type (info, ")"))
return false;
}
t = pop_type (info);
if (t == NULL)
return false;
fprintf (info->f, ";\"\tkind:%c\ttype:%s", kind, t);
if (local)
fputs ("\tfile:", info->f);
if (partof)
{
fprintf (info->f, "\tclass:%s", partof);
free (partof);
}
fputc ('\n', info->f);
}
return true;
}
/* Write out line number information. */
static bool
tg_lineno (void *p ATTRIBUTE_UNUSED, const char *fname ATTRIBUTE_UNUSED,
unsigned long lineno ATTRIBUTE_UNUSED,
bfd_vma addr ATTRIBUTE_UNUSED)
{
return true;
}
/* Finish writing out a block. */
static bool
tg_end_block (void *p ATTRIBUTE_UNUSED, bfd_vma addr ATTRIBUTE_UNUSED)
{
return true;
}
/* Convert the visibility value into a human readable name. */
static const char *
visibility_name (enum debug_visibility visibility)
{
const char *s;
switch (visibility)
{
case DEBUG_VISIBILITY_PUBLIC:
s = "public";
break;
case DEBUG_VISIBILITY_PRIVATE:
s = "private";
break;
case DEBUG_VISIBILITY_PROTECTED:
s = "protected";
break;
case DEBUG_VISIBILITY_IGNORE:
s = "/* ignore */";
break;
default:
abort ();
return false;
}
return s;
}
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