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From: "stsp at users dot sourceforge.net"
 <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug breakpoints/22921] breakpoint in PLT corrupts function argument
 in $rcx
Date: Sun, 12 Feb 2023 08:17:48 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D22921

--- Comment #6 from Stas Sergeev <stsp at users dot sourceforge.net> ---
Thanks!
Your test-case doesn't fail here though:

+file tst2
+set breakpoint pending on
+break apb_magic_func(void*, char const*, int, unsigned int)@plt
Function "apb_magic_func(void*, char const*, int, unsigned int)@plt" not
defined.
Breakpoint 1 (apb_magic_func(void*, char const*, int, unsigned int)@plt)
pending.
+run

This GDB supports auto-downloading debuginfo from the following URLs:
https://debuginfod.ubuntu.com=20
Enable debuginfod for this session? (y or [n]) [answered N; input not from
terminal]
Debuginfod has been disabled.
To make this setting permanent, add 'set debuginfod enabled off' to .gdbini=
t.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
ALARM

ALARM


Breakpoint 1, 0x00007ffff7fbb0f0 in apb_magic_func(void*, char const*, int,
unsigned int)@plt () from ./libapb.so
+shell sleep 1
+continue
ALARM

PASSED


I run "make debug", is this how its supposed to run?

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