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* [binutils-gdb] gdb/testsuite: fix gdb.threads/linux-dp.exp regex
@ 2022-10-07 19:17 Lancelot SIX
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From: Lancelot SIX @ 2022-10-07 19:17 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ae17d05a4a58baf42f297dfd40ed29256f4bc44d
commit ae17d05a4a58baf42f297dfd40ed29256f4bc44d
Author: Lancelot SIX <lancelot.six@amd.com>
Date: Fri Oct 7 14:44:40 2022 +0100
gdb/testsuite: fix gdb.threads/linux-dp.exp regex
On ubuntu 22.04 with the libc6-dbg package installed, I have the
following failure:
where
#0 print_philosopher (n=3, left=33 '!', right=33 '!') at .../gdb/testsuite/gdb.threads/linux-dp.c:105
#1 0x000055555555576a in philosopher (data=0x55555555937c) at .../gdb/testsuite/gdb.threads/linux-dp.c:148
#2 0x00007ffff7e11b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#3 0x00007ffff7ea3a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
(gdb) FAIL: gdb.threads/linux-dp.exp: first thread-specific breakpoint hit
The regex for this test accounts for different situations (with /
without debug symbol) but assumes that if debug info is present the
backtrace shows execution under pthread_create. However, for the
implementation under test, we are under start_thread.
Update the regex to accept start_thread.
Tested on Ubuntu-22.04 x86_64 with and without libc6-dbg debug symbols
available.
Change-Id: I1e1536279890bca2cd07f038e026b41e46af44e0
Diff:
---
gdb/testsuite/gdb.threads/linux-dp.exp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gdb/testsuite/gdb.threads/linux-dp.exp b/gdb/testsuite/gdb.threads/linux-dp.exp
index 0805aa06664..953e6a9756b 100644
--- a/gdb/testsuite/gdb.threads/linux-dp.exp
+++ b/gdb/testsuite/gdb.threads/linux-dp.exp
@@ -226,7 +226,7 @@ gdb_continue_to_breakpoint "thread 5's print"
# If you do have debug info, the output obviously depends more on the
# exact library in use; under NPTL, you get:
# #2 0x0012b7fc in start_thread (arg=0x21) at pthread_create.c:264
-gdb_test "where" "print_philosopher.*philosopher.* \(from .*libpthread\|at pthread_create\|in pthread_create|from .*libc\\.\).*" \
+gdb_test "where" "print_philosopher.*philosopher.* \(from .*libpthread\|at pthread_create\|in pthread_create\|in start_thread\|from .*libc\\.\).*" \
"first thread-specific breakpoint hit"
# Make sure it's catching the right thread. Try hitting the
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2022-10-07 19:17 [binutils-gdb] gdb/testsuite: fix gdb.threads/linux-dp.exp regex Lancelot SIX
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