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* [Bug gdb/26652] New: Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex
@ 2020-09-22 18:04 simark at simark dot ca
2020-09-22 18:08 ` [Bug gdb/26652] " simark at simark dot ca
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: simark at simark dot ca @ 2020-09-22 18:04 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=26652
Bug ID: 26652
Summary: Unexpected prompt when using "continue" breakpoint
commands and mix of -x and -ex
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: simark at simark dot ca
Target Milestone: ---
Sorry, I couldn't think of a better bug title, it's a mix of a few things.
I have a test program like this:
void bar(int n)
{
}
int main() {
for (int i = 0; i < 2; i++) {
bar(i);
}
}
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* [Bug gdb/26652] Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex
2020-09-22 18:04 [Bug gdb/26652] New: Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex simark at simark dot ca
@ 2020-09-22 18:08 ` simark at simark dot ca
2024-01-05 13:49 ` ssbssa at sourceware dot org
2024-01-05 17:13 ` simon.marchi at polymtl dot ca
2 siblings, 0 replies; 4+ messages in thread
From: simark at simark dot ca @ 2020-09-22 18:08 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=26652
--- Comment #1 from Simon Marchi <simark at simark dot ca> ---
Oops, I hit submit too soon, here's the rest.
I have this GDB script:
b bar
commands
print n
continue
end
I run GDB like this:
$ ./gdb -nx --data-directory=data-directory ./test -x script -ex r
I would expect the breakpoint on bar to be hit twice, then the program to exit.
What I see is:
$ ./gdb -q -nx --data-directory=data-directory ./test -x script -ex r
Reading symbols from ./test...
Breakpoint 1 at 0x4004dd: file test.c, line 3.
Starting program: /home/smarchi/build/binutils-gdb/gdb/test
Breakpoint 1, bar (n=0) at test.c:3
3 }
(gdb)
And the execution appears to stop here. However, if I then type any command
(like print 1), execution appears to resume until the program exits:
(gdb) print 1
$1 = 1
$2 = 0
Breakpoint 1, bar (n=1) at test.c:3
3 }
$3 = 1
[Inferior 1 (process 29906) exited normally]
(gdb)
So, it looks like some event gets stuck somewhere and doesn't get pulled by
infrun until the event loop is woken up by the command handler.
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* [Bug gdb/26652] Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex
2020-09-22 18:04 [Bug gdb/26652] New: Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex simark at simark dot ca
2020-09-22 18:08 ` [Bug gdb/26652] " simark at simark dot ca
@ 2024-01-05 13:49 ` ssbssa at sourceware dot org
2024-01-05 17:13 ` simon.marchi at polymtl dot ca
2 siblings, 0 replies; 4+ messages in thread
From: ssbssa at sourceware dot org @ 2024-01-05 13:49 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=26652
Hannes Domani <ssbssa at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.1
Resolution|--- |FIXED
Status|NEW |RESOLVED
CC| |ssbssa at sourceware dot org
--- Comment #2 from Hannes Domani <ssbssa at sourceware dot org> ---
Works since gdb-11.1:
```
$ gdb -q gdb-26652.exe -x gdb-26652.gdb -ex r
Reading symbols from gdb-26652.exe...
Breakpoint 1 at 0x140001607: file gdb-26652.c, line 3, column 1.
Starting program: C:\src\tests\gdb-26652.exe
Breakpoint 1, bar (n=0) at gdb-26652.c:3
3 }
$1 = 0
Breakpoint 1, bar (n=1) at gdb-26652.c:3
3 }
$2 = 1
[Inferior 1 (process 2308) exited normally]
(gdb)
```
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* [Bug gdb/26652] Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex
2020-09-22 18:04 [Bug gdb/26652] New: Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex simark at simark dot ca
2020-09-22 18:08 ` [Bug gdb/26652] " simark at simark dot ca
2024-01-05 13:49 ` ssbssa at sourceware dot org
@ 2024-01-05 17:13 ` simon.marchi at polymtl dot ca
2 siblings, 0 replies; 4+ messages in thread
From: simon.marchi at polymtl dot ca @ 2024-01-05 17:13 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=26652
Simon Marchi <simon.marchi at polymtl dot ca> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |simon.marchi at polymtl dot ca
--- Comment #3 from Simon Marchi <simon.marchi at polymtl dot ca> ---
Indeed, fixed by:
https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=21e051b3d666bcd614391142a936a8a8cccfa3cb
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2020-09-22 18:04 [Bug gdb/26652] New: Unexpected prompt when using "continue" breakpoint commands and mix of -x and -ex simark at simark dot ca
2020-09-22 18:08 ` [Bug gdb/26652] " simark at simark dot ca
2024-01-05 13:49 ` ssbssa at sourceware dot org
2024-01-05 17:13 ` simon.marchi at polymtl dot ca
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