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libbacktrace: initial commit

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This is a standalone version of the libbacktrace library that I
originally wrote for GCC.  This is a copy of libbacktrace from GCC
trunk, with all dependencies incorporated here.
This commit is contained in:
Ian Lance Taylor
2016-09-10 07:59:09 -07:00
parent 6a5a5fcdda
commit 84241313f2
37 changed files with 44340 additions and 0 deletions
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README.md
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# 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>
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.
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 September 2016, libbacktrace only supports ELF and PE/COFF
executables with DWARF debugging information.
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
http://mentorembedded.github.io/cxx-abi/abi-eh.html.
This API is provided by GCC.