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-rw-r--r--libiberty/cplus-dem.c186
1 files changed, 153 insertions, 33 deletions
diff --git a/libiberty/cplus-dem.c b/libiberty/cplus-dem.c
index 52249d2..44d1196 100644
--- a/libiberty/cplus-dem.c
+++ b/libiberty/cplus-dem.c
@@ -252,6 +252,55 @@ typedef enum type_kind_t
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, " ");}
@@ -636,8 +685,8 @@ cplus_demangle_opname (opname, result, options)
}
}
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')
{
@@ -733,6 +782,7 @@ cplus_demangle_opname (opname, result, options)
return ret;
}
+
/* Takes operator name as e.g. "++" and returns mangled
operator name (e.g. "postincrement_expr"), or NULL if not found.
@@ -758,6 +808,40 @@ cplus_mangle_opname (opname, options)
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
@@ -798,6 +882,10 @@ cplus_demangle (mangled, options)
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);
@@ -4188,8 +4276,8 @@ demangle_function_name (work, mangled, declp, scan)
}
}
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')
{
@@ -4402,6 +4490,7 @@ static int flags = DMGL_PARAMS | DMGL_ANSI;
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)
@@ -4421,16 +4510,43 @@ 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);
}
@@ -4468,6 +4584,9 @@ standard_symbol_characters PARAMS ((void));
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. */
@@ -4516,6 +4635,17 @@ hp_symbol_characters ()
}
+/* 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
@@ -4553,32 +4683,19 @@ main (argc, argv)
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;
}
}
@@ -4603,6 +4720,9 @@ main (argc, argv)
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
generated by cgit v1.1 at 2024-11-25 19:36:06 +0000