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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
commit | 0915b3ef56dfac3113cce55a59a5765dc94976be (patch) | |
tree | a8fea11d50b4f083e1bf0f90025ece7f0824784a /lib/base/stacktrace.cpp | |
parent | Initial commit. (diff) | |
download | icinga2-upstream.tar.xz icinga2-upstream.zip |
Adding upstream version 2.13.6.upstream/2.13.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/base/stacktrace.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/base/stacktrace.cpp b/lib/base/stacktrace.cpp new file mode 100644 index 0000000..e3f15ce --- /dev/null +++ b/lib/base/stacktrace.cpp @@ -0,0 +1,43 @@ +/* Icinga 2 | (c) 2020 Icinga GmbH | GPLv2+ */ + +#include <base/i2-base.hpp> +#include "base/stacktrace.hpp" +#include <iostream> +#include <iomanip> +#include <vector> + +#ifdef HAVE_BACKTRACE_SYMBOLS +# include <execinfo.h> +#endif /* HAVE_BACKTRACE_SYMBOLS */ + +using namespace icinga; + +std::ostream &icinga::operator<<(std::ostream &os, const StackTraceFormatter &f) +{ + /* In most cases, this operator<< just relies on the operator<< for the `boost::stacktrace::stacktrace` wrapped in + * the `StackTraceFormatter`. But as this operator turned out to not work properly on some platforms, there is a + * fallback implementation that can be enabled using the `-DICINGA2_STACKTRACE_USE_BACKTRACE_SYMBOLS` flag at + * compile time. This will then switch to `backtrace_symbols()` from `<execinfo.h>` instead of the implementation + * provided by Boost. + */ + + const boost::stacktrace::stacktrace &stack = f.m_Stack; + +#ifdef ICINGA2_STACKTRACE_USE_BACKTRACE_SYMBOLS + std::vector<void *> addrs; + addrs.reserve(stack.size()); + std::transform(stack.begin(), stack.end(), std::back_inserter(addrs), [](const boost::stacktrace::frame &f) { + return const_cast<void *>(f.address()); + }); + + char **symbols = backtrace_symbols(addrs.data(), addrs.size()); + for (size_t i = 0; i < addrs.size(); i++) { + os << std::setw(2) << i << "# " << symbols[i] << std::endl; + } + std::free(symbols); +#else /* ICINGA2_STACKTRACE_USE_BACKTRACE_SYMBOLS */ + os << stack; +#endif /* ICINGA2_STACKTRACE_USE_BACKTRACE_SYMBOLS */ + + return os; +} |