tk_real
} type_kind_t;
+struct demangler_engine libiberty_demanglers[] =
+{
+ {
+ AUTO_DEMANGLING_STYLE_STRING,
+ auto_demangling,
+ "Automatic selection based on executable"
+ }
+ ,
+ {
+ GNU_DEMANGLING_STYLE_STRING,
+ gnu_demangling,
+ "GNU (g++) style demangling"
+ }
+ ,
+ {
+ LUCID_DEMANGLING_STYLE_STRING,
+ lucid_demangling,
+ "Lucid (lcc) style demangling"
+ }
+ ,
+ {
+ ARM_DEMANGLING_STYLE_STRING,
+ arm_demangling,
+ "ARM style demangling"
+ }
+ ,
+ {
+ HP_DEMANGLING_STYLE_STRING,
+ hp_demangling,
+ "HP (aCC) style demangling"
+ }
+ ,
+ {
+ EDG_DEMANGLING_STYLE_STRING,
+ edg_demangling,
+ "EDG style demangling"
+ }
+ ,
+ {
+ GNU_NEW_ABI_DEMANGLING_STYLE_STRING,
+ gnu_new_abi_demangling,
+ "GNU (g++) new-ABI-style demangling"
+ }
+ ,
+ {
+ NULL, unknown_demangling, NULL
+ }
+};
+
#define STRING_EMPTY(str) ((str) -> b == (str) -> p)
#define PREPEND_BLANK(str) {if (!STRING_EMPTY(str)) \
string_prepend(str, " ");}
/* Prototypes for local functions */
+static void
+delete_work_stuff PARAMS ((struct work_stuff *));
+
+static void
+delete_non_B_K_work_stuff PARAMS ((struct work_stuff *));
+
static char *
mop_up PARAMS ((struct work_stuff *, string *, int));
static void
squangle_mop_up PARAMS ((struct work_stuff *));
+static void
+work_stuff_copy_to_from PARAMS ((struct work_stuff *, struct work_stuff *));
+
#if 0
static int
demangle_method_args PARAMS ((struct work_stuff *, const char **, string *));
demangle_function_name PARAMS ((struct work_stuff *, const char **, string *,
const char *));
+static int
+iterate_demangle_function PARAMS ((struct work_stuff *,
+ const char **, string *, const char *));
+
static void
remember_type PARAMS ((struct work_stuff *, const char *, int));
}
}
else if (opname[0] == '_' && opname[1] == '_'
- && opname[2] >= 'a' && opname[2] <= 'z'
- && opname[3] >= 'a' && opname[3] <= 'z')
+ && islower((unsigned char)opname[2])
+ && islower((unsigned char)opname[3]))
{
if (opname[4] == '\0')
{
return ret;
}
+
/* Takes operator name as e.g. "++" and returns mangled
operator name (e.g. "postincrement_expr"), or NULL if not found.
return (0);
}
+/* Add a routine to set the demangling style to be sure it is valid and
+ allow for any demangler initialization that maybe necessary. */
+
+enum demangling_styles
+cplus_demangle_set_style (style)
+ enum demangling_styles style;
+{
+ struct demangler_engine *demangler = libiberty_demanglers;
+
+ for (; demangler->demangling_style != unknown_demangling; ++demangler)
+ if (style == demangler->demangling_style)
+ {
+ current_demangling_style = style;
+ return current_demangling_style;
+ }
+
+ return unknown_demangling;
+}
+
+/* Do string name to style translation */
+
+enum demangling_styles
+cplus_demangle_name_to_style (name)
+ const char *name;
+{
+ struct demangler_engine *demangler = libiberty_demanglers;
+
+ for (; demangler->demangling_style != unknown_demangling; ++demangler)
+ if (strcmp (name, demangler->demangling_style_name) == 0)
+ return demangler->demangling_style;
+
+ return unknown_demangling;
+}
+
/* char *cplus_demangle (const char *mangled, int options)
If MANGLED is a mangled function name produced by GNU C++, then
if ((work -> options & DMGL_STYLE_MASK) == 0)
work -> options |= (int) current_demangling_style & DMGL_STYLE_MASK;
+ /* The new-ABI demangling is implemented elsewhere. */
+ if (GNU_NEW_ABI_DEMANGLING)
+ return cplus_demangle_new_abi (mangled);
+
ret = internal_cplus_demangle (work, mangled);
squangle_mop_up (work);
return (ret);
}
}
-/* Clear out any mangled storage */
-static char *
-mop_up (work, declp, success)
- struct work_stuff *work;
- string *declp;
- int success;
+/* Copy the work state and storage. */
+
+static void
+work_stuff_copy_to_from (to, from)
+ struct work_stuff *to;
+ struct work_stuff *from;
{
- char *demangled = NULL;
+ int i;
+
+ delete_work_stuff (to);
+
+ /* Shallow-copy scalars. */
+ memcpy (to, from, sizeof (*to));
+
+ /* Deep-copy dynamic storage. */
+ if (from->typevec_size)
+ to->typevec
+ = (char **) xmalloc (from->typevec_size * sizeof (to->typevec[0]));
+
+ for (i = 0; i < from->ntypes; i++)
+ {
+ int len = strlen (from->typevec[i]) + 1;
+
+ to->typevec[i] = xmalloc (len);
+ memcpy (to->typevec[i], from->typevec[i], len);
+ }
+
+ if (from->ksize)
+ to->ktypevec
+ = (char **) xmalloc (from->ksize * sizeof (to->ktypevec[0]));
+
+ for (i = 0; i < from->numk; i++)
+ {
+ int len = strlen (from->ktypevec[i]) + 1;
+
+ to->ktypevec[i] = xmalloc (len);
+ memcpy (to->ktypevec[i], from->ktypevec[i], len);
+ }
+
+ if (from->bsize)
+ to->btypevec
+ = (char **) xmalloc (from->bsize * sizeof (to->btypevec[0]));
+
+ for (i = 0; i < from->numb; i++)
+ {
+ int len = strlen (from->btypevec[i]) + 1;
+
+ to->btypevec[i] = xmalloc (len);
+ memcpy (to->btypevec[i], from->btypevec[i], len);
+ }
+
+ if (from->ntmpl_args)
+ to->tmpl_argvec
+ = xmalloc (from->ntmpl_args * sizeof (to->tmpl_argvec[0]));
+ for (i = 0; i < from->ntmpl_args; i++)
+ {
+ int len = strlen (from->tmpl_argvec[i]) + 1;
+
+ to->tmpl_argvec[i] = xmalloc (len);
+ memcpy (to->tmpl_argvec[i], from->tmpl_argvec[i], len);
+ }
+
+ if (from->previous_argument)
+ {
+ to->previous_argument = (string*) xmalloc (sizeof (string));
+ string_init (to->previous_argument);
+ string_appends (to->previous_argument, from->previous_argument);
+ }
+}
+
+
+/* Delete dynamic stuff in work_stuff that is not to be re-used. */
+
+static void
+delete_non_B_K_work_stuff (work)
+ struct work_stuff *work;
+{
/* Discard the remembered types, if any. */
forget_types (work);
free ((char*) work->previous_argument);
work->previous_argument = NULL;
}
+}
+
+
+/* Delete all dynamic storage in work_stuff. */
+static void
+delete_work_stuff (work)
+ struct work_stuff *work;
+{
+ delete_non_B_K_work_stuff (work);
+ squangle_mop_up (work);
+}
+
+
+/* Clear out any mangled storage */
+
+static char *
+mop_up (work, declp, success)
+ struct work_stuff *work;
+ string *declp;
+ int success;
+{
+ char *demangled = NULL;
+
+ delete_non_B_K_work_stuff (work);
/* If demangling was successful, ensure that the demangled string is null
terminated and return it. Otherwise, free the demangling decl. */
break;
case '_':
- if (GNU_DEMANGLING && expect_return_type)
+ if ((AUTO_DEMANGLING || GNU_DEMANGLING) && expect_return_type)
{
/* Read the return type. */
string return_type;
break;
case 'H':
- if (GNU_DEMANGLING)
+ if (AUTO_DEMANGLING || GNU_DEMANGLING)
{
/* A G++ template function. Read the template arguments. */
success = demangle_template (work, mangled, declp, 0, 0,
{
int value;
+ /* By default, we let the number decide whether we shall consume an
+ underscore. */
+ int consume_following_underscore = 0;
+ int leave_following_underscore = 0;
+
success = 0;
/* Negative numbers are indicated with a leading `m'. */
string_appendn (s, "-", 1);
(*mangled)++;
}
+ else if (mangled[0][0] == '_' && mangled[0][1] == 'm')
+ {
+ /* Since consume_count_with_underscores does not handle the
+ `m'-prefix we must do it here, using consume_count and
+ adjusting underscores: we have to consume the underscore
+ matching the prepended one. */
+ consume_following_underscore = 1;
+ string_appendn (s, "-", 1);
+ (*mangled) += 2;
+ }
+ else if (**mangled == '_')
+ {
+ /* Do not consume a following underscore;
+ consume_following_underscore will consume what should be
+ consumed. */
+ leave_following_underscore = 1;
+ }
+
+ /* We must call consume_count if we expect to remove a trailing
+ underscore, since consume_count_with_underscores expects
+ the leading underscore (that we consumed) if it is to handle
+ multi-digit numbers. */
+ if (consume_following_underscore)
+ value = consume_count (mangled);
+ else
+ value = consume_count_with_underscores (mangled);
- /* Read the rest of the number. */
- value = consume_count_with_underscores (mangled);
if (value != -1)
{
char buf[INTBUF_SIZE];
sprintf (buf, "%d", value);
string_append (s, buf);
- /* If the next character is an underscore, skip it. */
- if (**mangled == '_')
+ /* Numbers not otherwise delimited, might have an underscore
+ appended as a delimeter, which we should skip.
+
+ ??? This used to always remove a following underscore, which
+ is wrong. If other (arbitrary) cases are followed by an
+ underscore, we need to do something more radical. */
+
+ if ((value > 9 || consume_following_underscore)
+ && ! leave_following_underscore
+ && **mangled == '_')
(*mangled)++;
/* All is well. */
template parameters (e.g. S) is placed in TRAWNAME if TRAWNAME is
non-NULL. If IS_TYPE is nonzero, this template is a type template,
not a function template. If both IS_TYPE and REMEMBER are nonzero,
- the tmeplate is remembered in the list of back-referenceable
+ the template is remembered in the list of back-referenceable
types. */
static int
return (success);
}
+
+/* Called when there's a "__" in the mangled name, with `scan' pointing to
+ the rightmost guess.
+
+ Find the correct "__"-sequence where the function name ends and the
+ signature starts, which is ambiguous with GNU mangling.
+ Call demangle_signature here, so we can make sure we found the right
+ one; *mangled will be consumed so caller will not make further calls to
+ demangle_signature. */
+
+static int
+iterate_demangle_function (work, mangled, declp, scan)
+ struct work_stuff *work;
+ const char **mangled;
+ string *declp;
+ const char *scan;
+{
+ const char *mangle_init = *mangled;
+ int success = 0;
+ string decl_init;
+ struct work_stuff work_init;
+
+ if (*(scan + 2) == '\0')
+ return 0;
+
+ /* Do not iterate for some demangling modes, or if there's only one
+ "__"-sequence. This is the normal case. */
+ if (ARM_DEMANGLING || LUCID_DEMANGLING || HP_DEMANGLING || EDG_DEMANGLING
+ || mystrstr (scan + 2, "__") == NULL)
+ {
+ demangle_function_name (work, mangled, declp, scan);
+ return 1;
+ }
+
+ /* Save state so we can restart if the guess at the correct "__" was
+ wrong. */
+ string_init (&decl_init);
+ string_appends (&decl_init, declp);
+ memset (&work_init, 0, sizeof work_init);
+ work_stuff_copy_to_from (&work_init, work);
+
+ /* Iterate over occurrences of __, allowing names and types to have a
+ "__" sequence in them. We must start with the first (not the last)
+ occurrence, since "__" most often occur between independent mangled
+ parts, hence starting at the last occurence inside a signature
+ might get us a "successful" demangling of the signature. */
+
+ while (scan[2])
+ {
+ demangle_function_name (work, mangled, declp, scan);
+ success = demangle_signature (work, mangled, declp);
+ if (success)
+ break;
+
+ /* Reset demangle state for the next round. */
+ *mangled = mangle_init;
+ string_clear (declp);
+ string_appends (declp, &decl_init);
+ work_stuff_copy_to_from (work, &work_init);
+
+ /* Leave this underscore-sequence. */
+ scan += 2;
+
+ /* Scan for the next "__" sequence. */
+ while (*scan && (scan[0] != '_' || scan[1] != '_'))
+ scan++;
+
+ /* Move to last "__" in this sequence. */
+ while (*scan && *scan == '_')
+ scan++;
+ scan -= 2;
+ }
+
+ /* Delete saved state. */
+ delete_work_stuff (&work_init);
+ string_delete (&decl_init);
+
+ return success;
+}
+
/*
LOCAL FUNCTION
DESCRIPTION
Consume and demangle the prefix of the mangled name.
+ While processing the function name root, arrange to call
+ demangle_signature if the root is ambiguous.
DECLP points to the string buffer into which demangled output is
placed. On entry, the buffer is empty. On exit it contains
success = 0;
}
else
- {
- const char *tmp;
-
- /* Look for the LAST occurrence of __, allowing names to
- have the '__' sequence embedded in them. */
- if (!(ARM_DEMANGLING || HP_DEMANGLING))
- {
- while ((tmp = mystrstr (scan + 2, "__")) != NULL)
- scan = tmp;
- }
- if (*(scan + 2) == '\0')
- success = 0;
- else
- demangle_function_name (work, mangled, declp, scan);
- }
+ return iterate_demangle_function (work, mangled, declp, scan);
}
}
else if (*(scan + 2) != '\0')
{
/* Mangled name does not start with "__" but does have one somewhere
in there with non empty stuff after it. Looks like a global
- function name. */
- demangle_function_name (work, mangled, declp, scan);
+ function name. Iterate over all "__":s until the right
+ one is found. */
+ return iterate_demangle_function (work, mangled, declp, scan);
}
else
{
success = 0;
break;
}
+
+ if (n > 10 && strncmp (*mangled, "_GLOBAL_", 8) == 0
+ && (*mangled)[9] == 'N'
+ && (*mangled)[8] == (*mangled)[10]
+ && strchr (cplus_markers, (*mangled)[8]))
+ {
+ /* A member of the anonymous namespace. There's information
+ about what identifier or filename it was keyed to, but
+ it's just there to make the mangled name unique; we just
+ step over it. */
+ string_append (declp, "{anonymous}");
+ (*mangled) += n;
+
+ /* Now p points to the marker before the N, so we need to
+ update it to the first marker after what we consumed. */
+ p = strpbrk (*mangled, cplus_markers);
+ break;
+ }
+
string_appendn (declp, *mangled, n);
(*mangled) += n;
}
success = demangle_template (work, mangled, declp, 0, 1, 1);
break;
default:
- success = demangle_fund_type (work, mangled, declp);
+ success = do_type (work, mangled, declp);
break;
}
if (success && **mangled != '\0')
int done = 0;
int success = 1;
char buf[10];
- int dec = 0;
+ unsigned int dec = 0;
string btype;
type_kind_t tk = tk_integral;
*mangled += min (strlen (*mangled), 2);
}
sscanf (buf, "%x", &dec);
- sprintf (buf, "int%i_t", dec);
+ sprintf (buf, "int%u_t", dec);
APPEND_BLANK (result);
string_append (result, buf);
break;
}
}
else if (declp->b[0] == '_' && declp->b[1] == '_'
- && declp->b[2] >= 'a' && declp->b[2] <= 'z'
- && declp->b[3] >= 'a' && declp->b[3] <= 'z')
+ && islower((unsigned char)declp->b[2])
+ && islower((unsigned char)declp->b[3]))
{
if (declp->b[4] == '\0')
{
static void demangle_it PARAMS ((char *));
static void usage PARAMS ((FILE *, int)) ATTRIBUTE_NORETURN;
static void fatal PARAMS ((const char *)) ATTRIBUTE_NORETURN;
+static void print_demangler_list PARAMS ((FILE *));
static void
demangle_it (mangled_name)
}
}
+static void
+print_demangler_list (stream)
+ FILE *stream;
+{
+ struct demangler_engine *demangler;
+
+ fprintf (stream, "{%s", libiberty_demanglers->demangling_style_name);
+
+ for (demangler = libiberty_demanglers + 1;
+ demangler->demangling_style != unknown_demangling;
+ ++demangler)
+ fprintf (stream, ",%s", demangler->demangling_style_name);
+
+ fprintf (stream, "}");
+}
+
static void
usage (stream, status)
FILE *stream;
int status;
{
fprintf (stream, "\
-Usage: %s [-_] [-n] [-s {gnu,lucid,arm,hp,edg}] [--strip-underscores]\n\
- [--no-strip-underscores] [--format={gnu,lucid,arm,hp,edg}]\n\
- [--help] [--version] [arg...]\n",
+Usage: %s [-_] [-n] [--strip-underscores] [--no-strip-underscores] \n",
program_name);
+
+ fprintf (stream, "\
+ [-s ");
+ print_demangler_list (stream);
+ fprintf (stream, "]\n");
+
+ fprintf (stream, "\
+ [--format ");
+ print_demangler_list (stream);
+ fprintf (stream, "]\n");
+
+ fprintf (stream, "\
+ [--help] [--version] [arg...]\n");
exit (status);
}
static const char *
hp_symbol_characters PARAMS ((void));
+static const char *
+gnu_new_abi_symbol_characters PARAMS ((void));
+
/* Return the string of non-alnum characters that may occur
as a valid symbol component, in the standard assembler symbol
syntax. */
}
+/* Return the string of non-alnum characters that may occur
+ as a valid symbol component in the GNU standard C++ ABI mangling
+ scheme. */
+
+static const char *
+gnu_new_abi_symbol_characters ()
+{
+ return "_";
+}
+
+
extern int main PARAMS ((int, char **));
int
flags |= DMGL_JAVA;
break;
case 's':
- if (strcmp (optarg, "gnu") == 0)
- {
- current_demangling_style = gnu_demangling;
- }
- else if (strcmp (optarg, "lucid") == 0)
- {
- current_demangling_style = lucid_demangling;
- }
- else if (strcmp (optarg, "arm") == 0)
- {
- current_demangling_style = arm_demangling;
- }
- else if (strcmp (optarg, "hp") == 0)
- {
- current_demangling_style = hp_demangling;
- }
- else if (strcmp (optarg, "edg") == 0)
- {
- current_demangling_style = edg_demangling;
- }
- else
- {
- fprintf (stderr, "%s: unknown demangling style `%s'\n",
- program_name, optarg);
- return (1);
- }
+ {
+ enum demangling_styles style;
+
+ style = cplus_demangle_name_to_style (optarg);
+ if (style == unknown_demangling)
+ {
+ fprintf (stderr, "%s: unknown demangling style `%s'\n",
+ program_name, optarg);
+ return (1);
+ }
+ else
+ cplus_demangle_set_style (style);
+ }
break;
}
}
case hp_demangling:
valid_symbols = hp_symbol_characters ();
break;
+ case gnu_new_abi_demangling:
+ valid_symbols = gnu_new_abi_symbol_characters ();
+ break;
default:
/* Folks should explicitly indicate the appropriate alphabet for
each demangling. Providing a default would allow the
if (c == EOF)
break;
putchar (c);
+ fflush (stdout);
}
}
projects / deliverable / binutils-gdb.git / blobdiff