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From: Simon Marchi <simark@simark.ca>
To: Tom de Vries <tdevries@suse.de>, gdb-patches@sourceware.org
Subject: Re: [pushed] [gdb/testsuite] Fix gdb.threads/dlopen-libpthread.exp for upstream glibc
Date: Tue, 10 Jan 2023 13:05:11 -0500	[thread overview]
Message-ID: <01243e5b-137f-9ac0-8235-8f51df07902e@simark.ca> (raw)
In-Reply-To: <174dba84-bac5-af4c-cd2b-85257f57b025@suse.de>

> Attached patch fixes things.
> 
> WDYT?
> 
> Thanks,
> - Tom


Here:

> # We link the exec without -lpthread, but libpthread.so may already be loaded at main
> # due to LD_PRELOAD.
> set libpthread_maybe_preloaded 0
> set binfile [standard_output_file $executable]
> if { [has_dependency $binfile libpthread\\.so] == 1 } {
>     set libpthread_maybe_preloaded 1
> }

Ok, so this works because ldd is influenced by LD_PRELOAD, I didn't
know.

> 
> # We link the shlib with -lpthread, but since glibc 2.34 libpthread has been
> # merged with libc, so libpthread.so may not be a dependency.
> set libpthread_missing 0
> if { [has_dependency $binfile libpthread\\.so] == 0 } {
>     set libpthread_missing 1
> }

The two has_dependency calls use $binfile.  Should one of them use
$binfile_lib?  The second one I think.

Simon

  reply	other threads:[~2023-01-10 18:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-30 15:54 Tom de Vries
2023-01-04 16:54 ` Simon Marchi
2023-01-10 17:23   ` Tom de Vries
2023-01-10 18:05     ` Simon Marchi [this message]
2023-01-11  9:17       ` Tom de Vries
2023-01-11 16:20         ` Simon Marchi
2023-01-11 17:20           ` Tom de Vries

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