It seems that unw_get_proc_info calls dwarf_make_proc_info, calls
fetch_proc_info, calls dwarf_find_proc_info, calls dl_iterate_phdr,
calls dwarf_callback, calls dwarf_find_debug_frame, calls calloc, and
callloc is not signal safe on the aarch64 device I'm testing on.
So would there be a problem with replacing the calloc/realloc memory
management of 'tab' in Gfind_proc_info-lsb.c with mmap and munmap and
memcpy?
Is the memory allocated for 'tab' freed anywhere? It's not obvious that
it is.
Thanks,
Doug Moore
Rice University
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