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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950// 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}