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https://github.com/varun-r-mallya/sysprof.git
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69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
/* demangle.cpp
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*
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* Copyright (C) 2016 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <cxxabi.h>
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#include <stdlib.h>
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#include "demangle.h"
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char *
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sysprof_cplus_demangle (const char *name)
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{
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char *real_name;
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char *ret;
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int status;
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guint i;
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guint j;
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if (name == NULL)
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return NULL;
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real_name = abi::__cxa_demangle (name, 0, 0, &status);
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if (real_name == NULL)
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return NULL;
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/* We need to return a string that is guaranteed it can be freed with
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* g_free() rather than free(), so we might as well look for Legacy
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* Rust mangling like '$LT$' and '$GT$' while we're at it.
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*/
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ret = (char *)g_malloc (strlen (real_name) + 1);
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for (i = 0, j = 0; real_name[i]; i++)
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{
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if (real_name[i] == '$')
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{
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if (real_name[i+1] == 'L' && real_name[i+2] == 'T' && real_name[i+3] == '$')
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ret[j++] = '<', i += 3;
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else if (real_name[i+1] == 'G' && real_name[i+2] == 'T' && real_name[i+3] == '$')
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ret[j++] = '>', i += 3;
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}
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else
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{
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ret[j++] = real_name[i];
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}
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}
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ret[j] = 0;
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free (real_name);
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return ret;
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}
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