The following package has been updated in the Cygwin distribution:
* gdb-10.1-1
The GNU debugger allows you to debug programs written in C, C++, and
other languages, by executing them in a controlled fashion and printing
their data.
This is an update to the latest upstream version:
https://sourceware.org/pipermail/gdb-announce/2020/000126.html
See the /usr/share/doc/gdb/NEWS file for a list of user-visible changes.
* GDB can now differentiate between "Windows" and "Cygwin" ABIs.
gdb understands these ABIs differ, in that x86_64 Cygwin is LP64, but
x86_64 Windows is LLP64, and that different signal numbers are used by
Cygwin and MinGW runtimes.
For example, this should mean that 'print sizeof(long)' now gives the
correct result for a x86_64 Cygwin inferior.
The detected ABI for an inferior can be inspected with 'show osabi'.
* gdb now supports debugging a 32-bit Windows program using a 64-bit
Windows GDB (Not likely to work correctly for Cygwin programs).
In addition, it contains the following patches carried forward from the
previous Cygwin package:
* Teach the demangler to deal with '@'-decorated __stdcall functions
* (experimental) Teach gdb how to unwind frames for the Cygwin signal
delivery wrapper functions _sigbe and sigdelayed
* Fix a memory leak which would occur in the case when the result of
realpath() is greater than or equal to SO_NAME_MAX_PATH_SIZE (Corinna
Vinschen)
and the following new patches:
* Handle x86_64 Cygwin core dumps (when generated by dumper from Cygwin
3.1.7 or later)
* Simplify and improve handling of inferior context after a Cygwin signal
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