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Diffstat (limited to 'progs/tools/trace/gltrace_support.cc')
| -rw-r--r-- | progs/tools/trace/gltrace_support.cc | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/progs/tools/trace/gltrace_support.cc b/progs/tools/trace/gltrace_support.cc deleted file mode 100644 index 0b76d3247d..0000000000 --- a/progs/tools/trace/gltrace_support.cc +++ /dev/null @@ -1,193 +0,0 @@ -/* - * Copyright (C) 2006 Thomas Sondergaard All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "gltrace_support.h" -#include <cstdlib> -#include <cstring> -#include <assert.h> -#include <sstream> -#include <fstream> -#include <iomanip> -#include <execinfo.h> -#include <cxxabi.h> -#include <sys/time.h> - -namespace { - - const char * - demangle (const char * mangled) throw() - { - static char buf[4096]; - int status; - size_t length = sizeof(buf)-1; - - memset (buf, 0, sizeof(buf)); - - if (!mangled) - return 0; - - char * demangled = __cxxabiv1::__cxa_demangle(mangled, - buf, - &length, - &status); - if (demangled && !status) - return demangled; - else - return mangled; - } - - void - printStackTrace (void **stackframes, - int stackframe_size, - std::ostream & out ) - { - char **strings = 0; - std::stringstream ss; - - // this might actually fail if memory is tight or we are in a - // signal handler - strings = backtrace_symbols (stackframes, stackframe_size); - - ss << "Backtrace :"; - - if (stackframe_size == gltrace::MAX_STACKFRAMES) - ss << "(possibly incomplete maximal number of frames exceeded):" << std::endl; - else - ss << std::endl; - - out << ss.str(); - - // the first frame is the constructor of the exception - // the last frame always seem to be bogus? - for (int i = 0; strings && i < stackframe_size-1; ++i) { - char libname[257], funcname[2049]; - unsigned int address=0, funcoffset = 0x0; - - memset (libname,0,sizeof(libname)); - memset (funcname,0,sizeof(funcname)); - - strcpy (funcname,"??"); - strcpy (libname, "??"); - - int scanned = sscanf (strings[i], "%256[^(] ( %2048[^+] + %x ) [ %x ]", - libname, - funcname, - &funcoffset, - &address); - - /* ok, so no function was mentioned in the backtrace */ - if (scanned < 4) { - scanned = sscanf (strings[i], "%256[^([] [ %x ]", - libname, - &address); - } - - if (funcname[0] == '_') { - const char * demangled; - if ((demangled = demangle(funcname) ) != funcname) { - strncpy (funcname, demangled, sizeof(funcname)-1); - } - } - else - strcat (funcname," ()"); - - out << "\t#" << i << std::hex << " 0x" << address << " in " << funcname - << " at 0x" << funcoffset << " (from " << libname << ")" << std::endl; - } - - free (strings); - } - - -} // anon namespace - -namespace gltrace { - - std::string getStackTrace(int count, int first) { - ++first; - std::stringstream ss; - const int BA_MAX = 1000; - assert(count + first <= BA_MAX); - void *ba[BA_MAX]; - int n = backtrace(ba, count+first); - - printStackTrace( &ba[first], n-first, ss); - - return ss.str(); - } - - std::ostream &timeNow(std::ostream &os) { - - struct timeval now; - struct tm t; - static char const *months[12] = - { - "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" - }; - - gettimeofday (&now, 0); - localtime_r ((time_t*) &now.tv_sec, &t); - - os - << months[t.tm_mon] << " " - << std::setw(2) << t.tm_mday << " " - << std::setw(2) << t.tm_hour << ":" - << std::setw(2) << t.tm_min << ":" - << std::setw(2) << t.tm_sec << "." - << std::setw(3) << now.tv_usec/1000; - return os; - } - - logstream::logstream(const char *filename) { - if (!filename) - init(std::cerr.rdbuf()); - else { - file_os.reset(new std::ofstream(filename)); - if (file_os->good()) - init(file_os->rdbuf()); - else { - std::cerr << "ERROR: gltrace: Failed to open '" << filename - << "' for writing. Falling back to stderr." << std::endl; - init(std::cerr.rdbuf()); - } - } - *this << std::setfill('0'); // setw used in timeNow - } - - - Config::Config() : - logCalls(true), - checkErrors(true), - logTime(true), - log(getenv("GLTRACE_LOGFILE")) { - if (const char *v = getenv("GLTRACE_LOG_CALLS")) - logCalls = strncmp("1", v, 1) == 0; - if (const char *v = getenv("GLTRACE_CHECK_ERRORS")) - checkErrors = strncmp("1", v, 1) == 0; - if (const char *v = getenv("GLTRACE_LOG_TIME")) - logTime = strncmp("1", v, 1) == 0; - } - - // *The* config - Config config; - -} // namespace gltrace |