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