| .. | ||
| config | ||
| .gitignore | ||
| aclocal.m4 | ||
| alloc.c | ||
| allocfail.c | ||
| allocfail.sh | ||
| atomic.c | ||
| backtrace-supported.h.in | ||
| backtrace.c | ||
| backtrace.h | ||
| btest.c | ||
| compile | ||
| config.guess | ||
| config.h.in | ||
| config.sub | ||
| configure | ||
| configure.ac | ||
| dwarf.c | ||
| edtest2.c | ||
| edtest.c | ||
| elf.c | ||
| fileline.c | ||
| filenames.h | ||
| filetype.awk | ||
| install-debuginfo-for-buildid.sh.in | ||
| install-sh | ||
| instrumented_alloc.c | ||
| internal.h | ||
| Isaac.Newton-Opticks.txt | ||
| LICENSE | ||
| ltmain.sh | ||
| macho.c | ||
| Makefile.am | ||
| Makefile.in | ||
| missing | ||
| mmap.c | ||
| mmapio.c | ||
| move-if-change | ||
| mtest.c | ||
| nounwind.c | ||
| pecoff.c | ||
| posix.c | ||
| print.c | ||
| read.c | ||
| README.md | ||
| simple.c | ||
| sort.c | ||
| state.c | ||
| stest.c | ||
| test_format.c | ||
| test-driver | ||
| testlib.c | ||
| testlib.h | ||
| ttest.c | ||
| unittest.c | ||
| unknown.c | ||
| xcoff.c | ||
| xztest.c | ||
| zstdtest.c | ||
| ztest.c | ||
libbacktrace
A C library that may be linked into a C/C++ program to produce symbolic backtraces
Initially written by Ian Lance Taylor iant@golang.org.
This is version 1.0. It is likely that this will always be version 1.0.
The libbacktrace library may be linked into a program or library and used to produce symbolic backtraces. Sample uses would be to print a detailed backtrace when an error occurs or to gather detailed profiling information.
In general the functions provided by this library are async-signal-safe,
meaning that they may be safely called from a signal handler.
That said, on systems that use dl_iterate_phdr, such as GNU/Linux,
gitthe first call to a libbacktrace function will call dl_iterate_phdr,
which is not in general async-signal-safe. Therefore, programs
that call libbacktrace from a signal handler should ensure that they
make an initial call from outside of a signal handler.
Similar considerations apply when arranging to call libbacktrace
from within malloc; dl_iterate_phdr can also call malloc,
so make an initial call to a libbacktrace function outside of
malloc before trying to call libbacktrace functions within malloc.
The libbacktrace library is provided under a BSD license. See the source files for the exact license text.
The public functions are declared and documented in the header file backtrace.h, which should be #include'd by a user of the library.
Building libbacktrace will generate a file backtrace-supported.h, which a user of the library may use to determine whether backtraces will work. See the source file backtrace-supported.h.in for the macros that it defines.
As of July 2024, libbacktrace supports ELF, PE/COFF, Mach-O, and XCOFF executables with DWARF debugging information. In other words, it supports GNU/Linux, *BSD, macOS, Windows, and AIX. The library is written to make it straightforward to add support for other object file and debugging formats.
The library relies on the C++ unwind API defined at https://itanium-cxx-abi.github.io/cxx-abi/abi-eh.html This API is provided by GCC and clang.