From: Simon Marchi <simark@simark.ca>
To: peter0x44 <peter0x44@disroot.org>, gdb@sourceware.org
Subject: Re: Assertion `pc_in_thread_step_range (pc, tp)' failed when executing int3 instruction
Date: Fri, 29 Dec 2023 11:29:13 -0500 [thread overview]
Message-ID: <d119257a-3d14-4126-aa81-6a503b110779@simark.ca> (raw)
In-Reply-To: <54e8eb183fec7cd01bec92ba23b83863@disroot.org>
On 2023-12-15 20:45, peter0x44 via Gdb wrote:
> For the following code:
>
> #include <stdio.h>
>
> int main(void)
> {
> __asm__("int3");
> // give code to step through
> for (int i = 0; i < 10; ++i)
> {
> printf("%d\n", i);
> }
> }
> Compiled with:
> gcc -o int3 -g3 -O2
>
> When I try debugging under GDB 13.2, I get the following:
>
> 0x7fb54815cd89 ???
> 0x558eebc578e4 ???
> 0xffffffffffffffff ???
> ---------------------
> ../../gdb/infrun.c:2640: internal-error: resume_1: Assertion `pc_in_thread_step_range (pc, tp)' failed.
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.
> Quit this debugging session? (y or n) n
>
> This is a bug, please report it. For instructions, see:
> <https://www.gnu.org/software/gdb/bugs/>.
>
> This instruction seems to be the standard way to implement a breakpoint from code.
> Clang has an intrinsic __builtin_debugtrap() which generates it, and Microsoft Visual C++ generates it from __debugbreak().
I think that this bug is for the same thing, so discussions are going to happen there.
https://sourceware.org/bugzilla/show_bug.cgi?id=31194
Simon
prev parent reply other threads:[~2023-12-29 16:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-16 1:45 peter0x44
2023-12-29 16:29 ` Simon Marchi [this message]
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