1 files changed, 107 insertions, 0 deletions
diff --git a/rtemstoolkit/elftoolchain/libelftc/elftc_demangle.c b/rtemstoolkit/elftoolchain/libelftc/elftc_demangle.c
new file mode 100644
index 0000000..945f777
--- /dev/null
+++ b/rtemstoolkit/elftoolchain/libelftc/elftc_demangle.c
@@ -0,0 +1,107 @@
+/*-
+ * Copyright (c) 2009 Kai Wang
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer
+ *    in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/param.h>
+#include <assert.h>
+#include <errno.h>
+#include <libelftc.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "_libelftc.h"
+
+ELFTC_VCSID("$Id: elftc_demangle.c 3296 2016-01-09 14:17:28Z jkoshy $");
+
+static unsigned int
+is_mangled(const char *s, unsigned int style)
+{
+
+	switch (style) {
+	case ELFTC_DEM_ARM: return (is_cpp_mangled_ARM(s) ? style : 0);
+	case ELFTC_DEM_GNU2: return (is_cpp_mangled_gnu2(s) ? style : 0);
+	case ELFTC_DEM_GNU3: return (is_cpp_mangled_gnu3(s) ? style : 0);
+	}
+
+	/* No style or invalid style spcified, try to guess. */
+	if (is_cpp_mangled_gnu3(s))
+		return (ELFTC_DEM_GNU3);
+	if (is_cpp_mangled_gnu2(s))
+		return (ELFTC_DEM_GNU2);
+	if (is_cpp_mangled_ARM(s))
+		return (ELFTC_DEM_ARM);
+
+	/* Cannot be demangled. */
+	return (0);
+}
+
+static char *
+demangle(const char *s, unsigned int style, unsigned int rc)
+{
+
+	(void) rc;			/* XXX */
+	switch (style) {
+	case ELFTC_DEM_ARM: return (cpp_demangle_ARM(s));
+	case ELFTC_DEM_GNU2: return (cpp_demangle_gnu2(s));
+	case ELFTC_DEM_GNU3: return (cpp_demangle_gnu3(s));
+	default:
+		assert(0);
+		return (NULL);
+	}
+}
+
+int
+elftc_demangle(const char *mangledname, char *buffer, size_t bufsize,
+    unsigned int flags)
+{
+	unsigned int style, rc;
+	char *rlt;
+
+	style = flags & 0xFFFF;
+	rc = flags >> 16;
+
+	if (mangledname == NULL ||
+	    ((style = is_mangled(mangledname, style)) == 0)) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if ((rlt = demangle(mangledname, style, rc)) == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (buffer == NULL || bufsize < strlen(rlt) + 1) {
+		free(rlt);
+		errno = ENAMETOOLONG;
+		return (-1);
+	}
+
+	strncpy(buffer, rlt, bufsize);
+	buffer[bufsize - 1] = '\0';
+	free(rlt);
+
+	return (0);
+}