afe2967c77
Change variables holding PC values from uint64_t to uintptr_t. Patch by Björn Schäpers. * dwarf.c (struct function_addrs): Change low and high fields to uintptr_t. (struct unit_addrs): Likewise. (resolve_addr_index): Change address parameter to uintptr_t*. (add_unit_addr): Change lowpc and highpc parameters to uintptr_t. (add_function_range): Likewise. (struct pcrange): Change lowpc and highpc fields to uintptr_t. (add_low_high_range): Change add_range lowpc and highpc parameters to uintptr_t. (add_ranges_from_ranges): Likewise. (add_ranges_from_rnglists): Likewise. (add_low_high_range): Chnage lowpc and highpc variables to uintpr_t. (add_ranges_from_rnglists): Change some local variables to uintptr_t. (add_ranges_from_ranges): Change base parameter to uintptr_t. (add_ranges_from_rnglists): Likewise. (read_function_entry): Likewise. (resolve_addr_index): Add explicit casts to uintptr_t. (update_pcrange): Likewise. (add_ranges_from_ranges): Likewise. (add_ranges_from_rnglists): Likewise. (read_function_entry): Likewise.
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.
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 October 2020, 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.