[Bug python/31631] [gdb/python] inferior.read_memory: internal-error: virtual memory exhausted

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=31631

--- Comment #15 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=06e967dbc9b75a4a3c1b15b54360cf1abbf9c2bd

commit 06e967dbc9b75a4a3c1b15b54360cf1abbf9c2bd
Author: Tom de Vries <tdevries@suse.de>
Date:   Tue Apr 16 15:53:47 2024 +0200

    [gdb/python] Throw MemoryError in inferior.read_memory if malloc fails

    PR python/31631 reports a gdb internal error when doing:
    ...
    (gdb) python gdb.selected_inferior().read_memory (0, 0xffffffffffffffff)
    utils.c:709: internal-error: virtual memory exhausted.
    A problem internal to GDB has been detected,
    further debugging may prove unreliable.
    ...

    Fix this by throwing a python MemoryError, such that we have instead:
    ...
    (gdb) python gdb.selected_inferior().read_memory (0, 0xffffffffffffffff)
    Python Exception <class 'MemoryError'>:
    Error occurred in Python.
    (gdb)
    ...

    Likewise for DAP.

    Tested on x86_64-linux.

    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31631

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