/* stabs.c -- Parse stabs debugging information
- Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1995-2014 Free Software Foundation, Inc.
Written by Ian Lance Taylor <ian@cygnus.com>.
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 2 of the License, or
+ 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,
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., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
/* This file contains code which parses stabs debugging information.
The organization of this code is based on the gdb stabs reading
code. The job it does is somewhat different, because it is not
trying to identify the correct address for anything. */
-#include <stdio.h>
-
+#include "sysdep.h"
#include "bfd.h"
-#include "bucomm.h"
#include "libiberty.h"
#include "safe-ctype.h"
#include "demangle.h"
(void *, struct stab_handle *, const char *, int, enum debug_type_kind);
static debug_type *stab_demangle_argtypes
(void *, struct stab_handle *, const char *, bfd_boolean *, unsigned int);
+static debug_type *stab_demangle_v3_argtypes
+ (void *, struct stab_handle *, const char *, bfd_boolean *);
+static debug_type *stab_demangle_v3_arglist
+ (void *, struct stab_handle *, struct demangle_component *, bfd_boolean *);
+static debug_type stab_demangle_v3_arg
+ (void *, struct stab_handle *, struct demangle_component *, debug_type,
+ bfd_boolean *);
/* Save a string in memory. */
static bfd_boolean
parse_stab_string (void *dhandle, struct stab_handle *info, int stabtype,
- int desc, bfd_vma value, const char *string)
+ int desc ATTRIBUTE_UNUSED, bfd_vma value, const char *string)
{
const char *p;
char *name;
debug_type dtype;
bfd_boolean synonym;
bfd_boolean self_crossref;
- unsigned int lineno;
debug_type *slot;
p = strchr (string, ':');
}
}
- /* GCC 2.x puts the line number in desc. SunOS apparently puts in
- the number of bytes occupied by a type or object, which we
- ignore. */
- if (info->gcc_compiled >= 2)
- lineno = desc;
- else
- lineno = 0;
-
/* FIXME: Sometimes the special C++ names start with '.'. */
name = NULL;
if (string[0] == '$')
case 'G':
{
- char leading;
- long c;
asymbol **ps;
/* A global symbol. The value must be extracted from the
(debug_type **) NULL);
if (dtype == DEBUG_TYPE_NULL)
return FALSE;
- leading = bfd_get_symbol_leading_char (info->abfd);
- for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps)
+ if (name != NULL)
{
- const char *n;
+ char leading;
+ long c;
- n = bfd_asymbol_name (*ps);
- if (leading != '\0' && *n == leading)
- ++n;
- if (*n == *name && strcmp (n, name) == 0)
- break;
+ leading = bfd_get_symbol_leading_char (info->abfd);
+ for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps)
+ {
+ const char *n;
+
+ n = bfd_asymbol_name (*ps);
+ if (leading != '\0' && *n == leading)
+ ++n;
+ if (*n == *name && strcmp (n, name) == 0)
+ break;
+ }
+
+ if (c > 0)
+ value = bfd_asymbol_value (*ps);
}
- if (c > 0)
- value = bfd_asymbol_value (*ps);
+
if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL,
value))
return FALSE;
return FALSE;
break;
+ case 'Y':
+ /* SUNPro C++ Namespace =Yn0. */
+ /* Skip the namespace mapping, as it is not used now. */
+ if (*(++p) == 'n' && *(++p) == '0')
+ {
+ /* =Yn0name; */
+ while (*p != ';')
+ ++p;
+ ++p;
+ return TRUE;
+ }
+ /* TODO SUNPro C++ support:
+ Support default arguments after F,P parameters
+ Ya = Anonymous unions
+ YM,YD = Pointers to class members
+ YT,YI = Templates
+ YR = Run-time type information (RTTI) */
+
+ /* Fall through. */
+
default:
bad_stab (string);
return FALSE;
store the slot used if the type is being defined. */
static debug_type
-parse_stab_type (void *dhandle, struct stab_handle *info, const char *typename, const char **pp, debug_type **slotp)
+parse_stab_type (void *dhandle, struct stab_handle *info, const char *type_name, const char **pp, debug_type **slotp)
{
const char *orig;
int typenums[2];
fleep:T20=xsfleep:
which define structures in terms of themselves. We need to
tell the caller to avoid building a circular structure. */
- if (typename != NULL
- && strncmp (typename, *pp, p - *pp) == 0
- && typename[p - *pp] == '\0')
+ if (type_name != NULL
+ && strncmp (type_name, *pp, p - *pp) == 0
+ && type_name[p - *pp] == '\0')
info->self_crossref = TRUE;
dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code);
case 'r':
/* Range type. */
- dtype = parse_stab_range_type (dhandle, info, typename, pp, typenums);
+ dtype = parse_stab_range_type (dhandle, info, type_name, pp, typenums);
break;
case 'b':
case 's':
case 'u':
/* Struct or union type. */
- dtype = parse_stab_struct_type (dhandle, info, typename, pp,
+ dtype = parse_stab_struct_type (dhandle, info, type_name, pp,
descriptor == 's', typenums);
break;
/* Parse a range type. */
static debug_type
-parse_stab_range_type (void *dhandle, struct stab_handle *info, const char *typename, const char **pp, const int *typenums)
+parse_stab_range_type (void *dhandle, struct stab_handle *info, const char *type_name, const char **pp, const int *typenums)
{
const char *orig;
int rangenums[2];
#define ULLHIGH "01777777777777777777777;"
if (index_type == DEBUG_TYPE_NULL)
{
- if (strncmp (s2, LLLOW, sizeof LLLOW - 1) == 0
- && strncmp (s3, LLHIGH, sizeof LLHIGH - 1) == 0)
+ if (CONST_STRNEQ (s2, LLLOW)
+ && CONST_STRNEQ (s3, LLHIGH))
return debug_make_int_type (dhandle, 8, FALSE);
if (! ov2
&& n2 == 0
- && strncmp (s3, ULLHIGH, sizeof ULLHIGH - 1) == 0)
+ && CONST_STRNEQ (s3, ULLHIGH))
return debug_make_int_type (dhandle, 8, TRUE);
}
long long int:t6=r1;0;-1;
long long unsigned int:t7=r1;0;-1;
We hack here to handle this reasonably. */
- if (typename != NULL)
+ if (type_name != NULL)
{
- if (strcmp (typename, "long long int") == 0)
+ if (strcmp (type_name, "long long int") == 0)
return debug_make_int_type (dhandle, 8, FALSE);
- else if (strcmp (typename, "long long unsigned int") == 0)
+ else if (strcmp (type_name, "long long unsigned int") == 0)
return debug_make_int_type (dhandle, 8, TRUE);
}
/* FIXME: The size here really depends upon the target. */
}
++*pp;
- /* For some odd reason, all forms of char put a c here. This is strange
- because no other type has this honor. We can safely ignore this because
- we actually determine 'char'acterness by the number of bits specified in
- the descriptor. */
- if (**pp == 'c')
+ /* OpenSolaris source code indicates that one of "cbv" characters
+ can come next and specify the intrinsic 'iformat' encoding.
+ 'c' is character encoding, 'b' is boolean encoding, and 'v' is
+ varargs encoding. This field can be safely ignored because
+ the type of the field is determined from the bitwidth extracted
+ below. */
+ if (**pp == 'c' || **pp == 'b' || **pp == 'v')
++*pp;
/* The first number appears to be the number of bytes occupied
if (**pp != ',')
{
bad_stab (orig);
+ free (name);
+ free (names);
+ free (values);
return DEBUG_TYPE_NULL;
}
++*pp;
const char *tagname, const char **pp,
bfd_boolean structp, const int *typenums)
{
- const char *orig;
bfd_vma size;
debug_baseclass *baseclasses;
- debug_field *fields;
+ debug_field *fields = NULL;
bfd_boolean statics;
debug_method *methods;
debug_type vptrbase;
bfd_boolean ownvptr;
- orig = *pp;
-
/* Get the size. */
size = parse_number (pp, (bfd_boolean *) NULL);
|| ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods)
|| ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase,
&ownvptr))
- return DEBUG_TYPE_NULL;
+ {
+ if (fields != NULL)
+ free (fields);
+ return DEBUG_TYPE_NULL;
+ }
if (! statics
&& baseclasses == NULL
for (i = 0; i < c; i++)
{
- bfd_boolean virtual;
+ bfd_boolean is_virtual;
enum debug_visibility visibility;
bfd_vma bitpos;
debug_type type;
switch (**pp)
{
case '0':
- virtual = FALSE;
+ is_virtual = FALSE;
break;
case '1':
- virtual = TRUE;
+ is_virtual = TRUE;
break;
default:
warn_stab (orig, _("unknown virtual character for baseclass"));
- virtual = FALSE;
+ is_virtual = FALSE;
break;
}
++*pp;
if (type == DEBUG_TYPE_NULL)
return FALSE;
- classes[i] = debug_make_baseclass (dhandle, type, bitpos, virtual,
+ classes[i] = debug_make_baseclass (dhandle, type, bitpos, is_virtual,
visibility);
if (classes[i] == DEBUG_BASECLASS_NULL)
return FALSE;
{
++*pp;
if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c))
- return FALSE;
+ {
+ free (fields);
+ return FALSE;
+ }
++c;
continue;
}
if (p == NULL)
{
bad_stab (orig);
+ free (fields);
return FALSE;
}
int cpp_abbrev;
debug_type context;
const char *name;
- const char *typename;
+ const char *type_name;
debug_type type;
bfd_vma bitpos;
break;
case 'b':
/* $vb -- a virtual bsomethingorother */
- typename = debug_get_type_name (dhandle, context);
- if (typename == NULL)
+ type_name = debug_get_type_name (dhandle, context);
+ if (type_name == NULL)
{
warn_stab (orig, _("unnamed $vb type"));
- typename = "FOO";
+ type_name = "FOO";
}
- name = concat ("_vb$", typename, (const char *) NULL);
+ name = concat ("_vb$", type_name, (const char *) NULL);
break;
default:
warn_stab (orig, _("unrecognized C++ abbreviation"));
type = parse_stab_type (dhandle, info, (const char *) NULL, pp,
(debug_type **) NULL);
if (type == DEBUG_TYPE_NULL)
- return FALSE;
+ {
+ free (name);
+ return FALSE;
+ }
if (**pp == ':')
{
if (p == NULL)
{
bad_stab (orig);
+ free (name);
return FALSE;
}
if (**pp != ',')
{
bad_stab (orig);
+ free (name);
return FALSE;
}
++*pp;
if (**pp != ',')
{
bad_stab (orig);
+ free (name);
return FALSE;
}
++*pp;
if (**pp != ';')
{
bad_stab (orig);
+ free (name);
return FALSE;
}
++*pp;
debug_method *methods;
unsigned int c;
unsigned int alloc;
+ char *name = NULL;
+ debug_method_variant *variants = NULL;
+ char *argtypes = NULL;
*retp = NULL;
while (**pp != ';')
{
const char *p;
- char *name;
- debug_method_variant *variants;
unsigned int cvars;
unsigned int allocvars;
debug_type look_ahead_type;
}
else
{
- /* This is a completely wierd case. In order to stuff in the
+ /* This is a completely weird case. In order to stuff in the
names that might contain colons (the usual name delimiter),
Mike Tiemann defined a different name format which is
signalled if the identifier is "op$". In that case, the
if (*p != '.')
{
bad_stab (orig);
- return FALSE;
+ goto fail;
}
name = savestring (*pp, p - *pp);
*pp = p + 1;
{
debug_type type;
bfd_boolean stub;
- char *argtypes;
enum debug_visibility visibility;
bfd_boolean constp, volatilep, staticp;
bfd_vma voffset;
type = parse_stab_type (dhandle, info, (const char *) NULL, pp,
(debug_type **) NULL);
if (type == DEBUG_TYPE_NULL)
- return FALSE;
+ goto fail;
+
if (**pp != ':')
{
bad_stab (orig);
- return FALSE;
+ goto fail;
}
}
if (p == NULL)
{
bad_stab (orig);
- return FALSE;
+ goto fail;
}
stub = FALSE;
if (**pp != ';')
{
bad_stab (orig);
- return FALSE;
+ goto fail;
}
++*pp;
voffset &= 0x7fffffff;
if (**pp != ';')
{
bad_stab (orig);
- return FALSE;
+ goto fail;
}
++*pp;
}
argtypes string is the mangled form of the argument
types, and the full type and the physical name must be
extracted from them. */
- if (! stub)
- physname = argtypes;
- else
+ physname = argtypes;
+ if (stub)
{
debug_type class_type, return_type;
class_type = stab_find_type (dhandle, info, typenums);
if (class_type == DEBUG_TYPE_NULL)
- return FALSE;
+ goto fail;
return_type = debug_get_return_type (dhandle, type);
if (return_type == DEBUG_TYPE_NULL)
{
bad_stab (orig);
- return FALSE;
+ goto fail;
}
type = parse_stab_argtypes (dhandle, info, class_type, name,
tagname, return_type, argtypes,
constp, volatilep, &physname);
if (type == DEBUG_TYPE_NULL)
- return FALSE;
+ goto fail;
}
if (cvars + 1 >= allocvars)
constp,
volatilep);
if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL)
- return FALSE;
+ goto fail;
++cvars;
}
*retp = methods;
return TRUE;
+
+ fail:
+ if (name != NULL)
+ free (name);
+ if (variants != NULL)
+ free (variants);
+ if (argtypes != NULL)
+ free (argtypes);
+ return FALSE;
}
/* Parse a string representing argument types for a method. Stabs
bfd_boolean is_full_physname_constructor;
bfd_boolean is_constructor;
bfd_boolean is_destructor;
+ bfd_boolean is_v3;
debug_type *args;
bfd_boolean varargs;
unsigned int physname_len = 0;
&& (ISDIGIT (argtypes[2])
|| argtypes[2] == 'Q'
|| argtypes[2] == 't'))
- || strncmp (argtypes, "__ct", 4) == 0);
+ || CONST_STRNEQ (argtypes, "__ct"));
is_constructor = (is_full_physname_constructor
|| (tagname != NULL
is_destructor = ((argtypes[0] == '_'
&& (argtypes[1] == '$' || argtypes[1] == '.')
&& argtypes[2] == '_')
- || strncmp (argtypes, "__dt", 4) == 0);
+ || CONST_STRNEQ (argtypes, "__dt"));
+ is_v3 = argtypes[0] == '_' && argtypes[1] == 'Z';
- if (is_destructor || is_full_physname_constructor)
- *pphysname = argtypes;
- else
+ if (!(is_destructor || is_full_physname_constructor || is_v3))
{
unsigned int len;
const char *const_prefix;
stab_find_slot (struct stab_handle *info, const int *typenums)
{
int filenum;
- int index;
+ int tindex;
struct stab_types **ps;
filenum = typenums[0];
- index = typenums[1];
+ tindex = typenums[1];
if (filenum < 0 || (unsigned int) filenum >= info->files)
{
fprintf (stderr, _("Type file number %d out of range\n"), filenum);
return NULL;
}
- if (index < 0)
+ if (tindex < 0)
{
- fprintf (stderr, _("Type index number %d out of range\n"), index);
+ fprintf (stderr, _("Type index number %d out of range\n"), tindex);
return NULL;
}
ps = info->file_types + filenum;
- while (index >= STAB_TYPES_SLOTS)
+ while (tindex >= STAB_TYPES_SLOTS)
{
if (*ps == NULL)
{
memset (*ps, 0, sizeof **ps);
}
ps = &(*ps)->next;
- index -= STAB_TYPES_SLOTS;
+ tindex -= STAB_TYPES_SLOTS;
}
if (*ps == NULL)
{
memset (*ps, 0, sizeof **ps);
}
- return (*ps)->types + index;
+ return (*ps)->types + tindex;
}
/* Find a type given a type number. If the type has not been
{
struct stab_demangle_info minfo;
+ /* Check for the g++ V3 ABI. */
+ if (physname[0] == '_' && physname[1] == 'Z')
+ return stab_demangle_v3_argtypes (dhandle, info, physname, pvarargs);
+
minfo.dhandle = dhandle;
minfo.info = info;
minfo.args = NULL;
*pp = scan + 2;
if (*pp - name >= 5
- && strncmp (name, "type", 4) == 0
+ && CONST_STRNEQ (name, "type")
&& (name[4] == '$' || name[4] == '.'))
{
const char *tem;
ft = debug_get_field_type (minfo->dhandle, *fields);
if (ft == NULL)
- return FALSE;
+ {
+ free (name);
+ return FALSE;
+ }
dn = debug_get_type_name (minfo->dhandle, ft);
if (dn != NULL && strcmp (dn, name) == 0)
{
{
unsigned int len;
- if (! stab_demangle_get_count (pp, &len))
+ len = stab_demangle_count (pp);
+ if (len == 0)
{
stab_bad_demangle (orig);
return FALSE;
case 'M':
case 'O':
{
- bfd_boolean memberp, constp, volatilep;
+ bfd_boolean memberp;
debug_type class_type = DEBUG_TYPE_NULL;
debug_type *args;
bfd_boolean varargs;
const char *name;
memberp = **pp == 'M';
- constp = FALSE;
- volatilep = FALSE;
args = NULL;
varargs = FALSE;
{
if (**pp == 'C')
{
- constp = TRUE;
++*pp;
}
else if (**pp == 'V')
{
- volatilep = TRUE;
++*pp;
}
if (**pp != 'F')
case 'Q':
{
- const char *hold;
-
- hold = *pp;
if (! stab_demangle_qualified (minfo, pp, ptype))
return FALSE;
}
return TRUE;
}
+\f
+/* Demangle names encoded using the g++ V3 ABI. The newer versions of
+ g++ which use this ABI do not encode ordinary method argument types
+ in a mangled name; they simply output the argument types. However,
+ for a static method, g++ simply outputs the return type and the
+ physical name. So in that case we need to demangle the name here.
+ Here PHYSNAME is the physical name of the function, and we set the
+ variable pointed at by PVARARGS to indicate whether this function
+ is varargs. This returns NULL, or a NULL terminated array of
+ argument types. */
+
+static debug_type *
+stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info,
+ const char *physname, bfd_boolean *pvarargs)
+{
+ struct demangle_component *dc;
+ void *mem;
+ debug_type *pargs;
+
+ dc = cplus_demangle_v3_components (physname, DMGL_PARAMS | DMGL_ANSI, &mem);
+ if (dc == NULL)
+ {
+ stab_bad_demangle (physname);
+ return NULL;
+ }
+
+ /* We expect to see TYPED_NAME, and the right subtree describes the
+ function type. */
+ if (dc->type != DEMANGLE_COMPONENT_TYPED_NAME
+ || dc->u.s_binary.right->type != DEMANGLE_COMPONENT_FUNCTION_TYPE)
+ {
+ fprintf (stderr, _("Demangled name is not a function\n"));
+ free (mem);
+ return NULL;
+ }
+
+ pargs = stab_demangle_v3_arglist (dhandle, info,
+ dc->u.s_binary.right->u.s_binary.right,
+ pvarargs);
+
+ free (mem);
+
+ return pargs;
+}
+
+/* Demangle an argument list in a struct demangle_component tree.
+ Returns a DEBUG_TYPE_NULL terminated array of argument types, and
+ sets *PVARARGS to indicate whether this is a varargs function. */
+
+static debug_type *
+stab_demangle_v3_arglist (void *dhandle, struct stab_handle *info,
+ struct demangle_component *arglist,
+ bfd_boolean *pvarargs)
+{
+ struct demangle_component *dc;
+ unsigned int alloc, count;
+ debug_type *pargs;
+
+ alloc = 10;
+ pargs = (debug_type *) xmalloc (alloc * sizeof *pargs);
+ *pvarargs = FALSE;
+
+ count = 0;
+
+ for (dc = arglist;
+ dc != NULL;
+ dc = dc->u.s_binary.right)
+ {
+ debug_type arg;
+ bfd_boolean varargs;
+
+ if (dc->type != DEMANGLE_COMPONENT_ARGLIST)
+ {
+ fprintf (stderr, _("Unexpected type in v3 arglist demangling\n"));
+ free (pargs);
+ return NULL;
+ }
+
+ /* PR 13925: Cope if the demangler returns an empty
+ context for a function with no arguments. */
+ if (dc->u.s_binary.left == NULL)
+ break;
+
+ arg = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left,
+ NULL, &varargs);
+ if (arg == NULL)
+ {
+ if (varargs)
+ {
+ *pvarargs = TRUE;
+ continue;
+ }
+ free (pargs);
+ return NULL;
+ }
+
+ if (count + 1 >= alloc)
+ {
+ alloc += 10;
+ pargs = (debug_type *) xrealloc (pargs, alloc * sizeof *pargs);
+ }
+
+ pargs[count] = arg;
+ ++count;
+ }
+
+ pargs[count] = DEBUG_TYPE_NULL;
+
+ return pargs;
+}
+
+/* Convert a struct demangle_component tree describing an argument
+ type into a debug_type. */
+
+static debug_type
+stab_demangle_v3_arg (void *dhandle, struct stab_handle *info,
+ struct demangle_component *dc, debug_type context,
+ bfd_boolean *pvarargs)
+{
+ debug_type dt;
+
+ if (pvarargs != NULL)
+ *pvarargs = FALSE;
+
+ switch (dc->type)
+ {
+ /* FIXME: These are demangle component types which we probably
+ need to handle one way or another. */
+ case DEMANGLE_COMPONENT_LOCAL_NAME:
+ case DEMANGLE_COMPONENT_TYPED_NAME:
+ case DEMANGLE_COMPONENT_TEMPLATE_PARAM:
+ case DEMANGLE_COMPONENT_CTOR:
+ case DEMANGLE_COMPONENT_DTOR:
+ case DEMANGLE_COMPONENT_JAVA_CLASS:
+ case DEMANGLE_COMPONENT_RESTRICT_THIS:
+ case DEMANGLE_COMPONENT_VOLATILE_THIS:
+ case DEMANGLE_COMPONENT_CONST_THIS:
+ case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL:
+ case DEMANGLE_COMPONENT_COMPLEX:
+ case DEMANGLE_COMPONENT_IMAGINARY:
+ case DEMANGLE_COMPONENT_VENDOR_TYPE:
+ case DEMANGLE_COMPONENT_ARRAY_TYPE:
+ case DEMANGLE_COMPONENT_PTRMEM_TYPE:
+ case DEMANGLE_COMPONENT_ARGLIST:
+ default:
+ fprintf (stderr, _("Unrecognized demangle component %d\n"),
+ (int) dc->type);
+ return NULL;
+
+ case DEMANGLE_COMPONENT_NAME:
+ if (context != NULL)
+ {
+ const debug_field *fields;
+
+ fields = debug_get_fields (dhandle, context);
+ if (fields != NULL)
+ {
+ /* Try to find this type by looking through the context
+ class. */
+ for (; *fields != DEBUG_FIELD_NULL; fields++)
+ {
+ debug_type ft;
+ const char *dn;
+
+ ft = debug_get_field_type (dhandle, *fields);
+ if (ft == NULL)
+ return NULL;
+ dn = debug_get_type_name (dhandle, ft);
+ if (dn != NULL
+ && (int) strlen (dn) == dc->u.s_name.len
+ && strncmp (dn, dc->u.s_name.s, dc->u.s_name.len) == 0)
+ return ft;
+ }
+ }
+ }
+ return stab_find_tagged_type (dhandle, info, dc->u.s_name.s,
+ dc->u.s_name.len, DEBUG_KIND_ILLEGAL);
+
+ case DEMANGLE_COMPONENT_QUAL_NAME:
+ context = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left,
+ context, NULL);
+ if (context == NULL)
+ return NULL;
+ return stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.right,
+ context, NULL);
+
+ case DEMANGLE_COMPONENT_TEMPLATE:
+ {
+ char *p;
+ size_t alc;
+
+ /* We print this component to get a class name which we can
+ use. FIXME: This probably won't work if the template uses
+ template parameters which refer to an outer template. */
+ p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc);
+ if (p == NULL)
+ {
+ fprintf (stderr, _("Failed to print demangled template\n"));
+ return NULL;
+ }
+ dt = stab_find_tagged_type (dhandle, info, p, strlen (p),
+ DEBUG_KIND_CLASS);
+ free (p);
+ return dt;
+ }
+
+ case DEMANGLE_COMPONENT_SUB_STD:
+ return stab_find_tagged_type (dhandle, info, dc->u.s_string.string,
+ dc->u.s_string.len, DEBUG_KIND_ILLEGAL);
+
+ case DEMANGLE_COMPONENT_RESTRICT:
+ case DEMANGLE_COMPONENT_VOLATILE:
+ case DEMANGLE_COMPONENT_CONST:
+ case DEMANGLE_COMPONENT_POINTER:
+ case DEMANGLE_COMPONENT_REFERENCE:
+ dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL,
+ NULL);
+ if (dt == NULL)
+ return NULL;
+
+ switch (dc->type)
+ {
+ default:
+ abort ();
+ case DEMANGLE_COMPONENT_RESTRICT:
+ /* FIXME: We have no way to represent restrict. */
+ return dt;
+ case DEMANGLE_COMPONENT_VOLATILE:
+ return debug_make_volatile_type (dhandle, dt);
+ case DEMANGLE_COMPONENT_CONST:
+ return debug_make_const_type (dhandle, dt);
+ case DEMANGLE_COMPONENT_POINTER:
+ return debug_make_pointer_type (dhandle, dt);
+ case DEMANGLE_COMPONENT_REFERENCE:
+ return debug_make_reference_type (dhandle, dt);
+ }
+
+ case DEMANGLE_COMPONENT_FUNCTION_TYPE:
+ {
+ debug_type *pargs;
+ bfd_boolean varargs;
+
+ if (dc->u.s_binary.left == NULL)
+ {
+ /* In this case the return type is actually unknown.
+ However, I'm not sure this will ever arise in practice;
+ normally an unknown return type would only appear at
+ the top level, which is handled above. */
+ dt = debug_make_void_type (dhandle);
+ }
+ else
+ dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL,
+ NULL);
+ if (dt == NULL)
+ return NULL;
+
+ pargs = stab_demangle_v3_arglist (dhandle, info,
+ dc->u.s_binary.right,
+ &varargs);
+ if (pargs == NULL)
+ return NULL;
+
+ return debug_make_function_type (dhandle, dt, pargs, varargs);
+ }
+
+ case DEMANGLE_COMPONENT_BUILTIN_TYPE:
+ {
+ char *p;
+ size_t alc;
+ debug_type ret;
+
+ /* We print this component in order to find out the type name.
+ FIXME: Should we instead expose the
+ demangle_builtin_type_info structure? */
+ p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc);
+ if (p == NULL)
+ {
+ fprintf (stderr, _("Couldn't get demangled builtin type\n"));
+ return NULL;
+ }
+
+ /* The mangling is based on the type, but does not itself
+ indicate what the sizes are. So we have to guess. */
+ if (strcmp (p, "signed char") == 0)
+ ret = debug_make_int_type (dhandle, 1, FALSE);
+ else if (strcmp (p, "bool") == 0)
+ ret = debug_make_bool_type (dhandle, 1);
+ else if (strcmp (p, "char") == 0)
+ ret = debug_make_int_type (dhandle, 1, FALSE);
+ else if (strcmp (p, "double") == 0)
+ ret = debug_make_float_type (dhandle, 8);
+ else if (strcmp (p, "long double") == 0)
+ ret = debug_make_float_type (dhandle, 8);
+ else if (strcmp (p, "float") == 0)
+ ret = debug_make_float_type (dhandle, 4);
+ else if (strcmp (p, "__float128") == 0)
+ ret = debug_make_float_type (dhandle, 16);
+ else if (strcmp (p, "unsigned char") == 0)
+ ret = debug_make_int_type (dhandle, 1, TRUE);
+ else if (strcmp (p, "int") == 0)
+ ret = debug_make_int_type (dhandle, 4, FALSE);
+ else if (strcmp (p, "unsigned int") == 0)
+ ret = debug_make_int_type (dhandle, 4, TRUE);
+ else if (strcmp (p, "long") == 0)
+ ret = debug_make_int_type (dhandle, 4, FALSE);
+ else if (strcmp (p, "unsigned long") == 0)
+ ret = debug_make_int_type (dhandle, 4, TRUE);
+ else if (strcmp (p, "__int128") == 0)
+ ret = debug_make_int_type (dhandle, 16, FALSE);
+ else if (strcmp (p, "unsigned __int128") == 0)
+ ret = debug_make_int_type (dhandle, 16, TRUE);
+ else if (strcmp (p, "short") == 0)
+ ret = debug_make_int_type (dhandle, 2, FALSE);
+ else if (strcmp (p, "unsigned short") == 0)
+ ret = debug_make_int_type (dhandle, 2, TRUE);
+ else if (strcmp (p, "void") == 0)
+ ret = debug_make_void_type (dhandle);
+ else if (strcmp (p, "wchar_t") == 0)
+ ret = debug_make_int_type (dhandle, 4, TRUE);
+ else if (strcmp (p, "long long") == 0)
+ ret = debug_make_int_type (dhandle, 8, FALSE);
+ else if (strcmp (p, "unsigned long long") == 0)
+ ret = debug_make_int_type (dhandle, 8, TRUE);
+ else if (strcmp (p, "...") == 0)
+ {
+ if (pvarargs == NULL)
+ fprintf (stderr, _("Unexpected demangled varargs\n"));
+ else
+ *pvarargs = TRUE;
+ ret = NULL;
+ }
+ else
+ {
+ fprintf (stderr, _("Unrecognized demangled builtin type\n"));
+ ret = NULL;
+ }
+
+ free (p);
+
+ return ret;
+ }
+ }
+}
projects / platform / upstream / binutils.git / blobdiff