[3.7] bpo-32962: Backport python-gdb.py and test_gdb.py from master #7710
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…tion -O0 (#6754) When Python is built with the intel control-flow protection flags, -mcet -fcf-protection, gdb is not able to read the stack without actually jumping inside the function. This means an extra 'next' command is required to make the $pc (program counter) enter the function and make the stack of the function exposed to gdb. (cherry picked from commit 9b7c74c)
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… (GH-7711) * bpo-32962: python-gdb catchs ValueError on read_var() (GH-7692) python-gdb now catchs ValueError on read_var(): when Python has no debug symbols for example. (cherry picked from commit 019d33b) * bpo-32962: python-gdb catchs UnicodeDecodeError (GH-7693) python-gdb now catchs UnicodeDecodeError exceptions when calling string(). (cherry picked from commit d22fc0b) * bpo-32962: Fix test_gdb failure in debug build with -mcet -fcf-protection -O0 (GH-6754) When Python is built with the intel control-flow protection flags, -mcet -fcf-protection, gdb is not able to read the stack without actually jumping inside the function. This means an extra 'next' command is required to make the $pc (program counter) enter the function and make the stack of the function exposed to gdb. (cherry picked from commit 9b7c74c) (cherry picked from commit ca4cb84)
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https://bugs.python.org/issue32962