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// SPDX-License-Identifier: GPL-2.0
#include "demangle-cxx.h"
#include <stdlib.h>
#include <string.h>
#include <linux/compiler.h>
#ifdef HAVE_LIBBFD_SUPPORT
#define PACKAGE 'perf'
#include <bfd.h>
#endif
#ifdef HAVE_CXA_DEMANGLE_SUPPORT
#include <cxxabi.h>
#endif
#if defined(HAVE_LIBBFD_SUPPORT) || defined(HAVE_CPLUS_DEMANGLE_SUPPORT)
#ifndef DMGL_PARAMS
#define DMGL_PARAMS (1 << 0) /* Include function args */
#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
#endif
#endif
/*
* Demangle C++ function signature
*
* Note: caller is responsible for freeing demangled string
*/
extern "C"
char *cxx_demangle_sym(const char *str, bool params __maybe_unused,
bool modifiers __maybe_unused)
{
#ifdef HAVE_LIBBFD_SUPPORT
int flags = (params ? DMGL_PARAMS : 0) | (modifiers ? DMGL_ANSI : 0);
return bfd_demangle(NULL, str, flags);
#elif defined(HAVE_CPLUS_DEMANGLE_SUPPORT)
int flags = (params ? DMGL_PARAMS : 0) | (modifiers ? DMGL_ANSI : 0);
return cplus_demangle(str, flags);
#elif defined(HAVE_CXA_DEMANGLE_SUPPORT)
char *output;
int status;
output = abi::__cxa_demangle(str, /*output_buffer=*/NULL, /*length=*/NULL, &status);
return output;
#else
return NULL;
#endif
}
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