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[gdb/testsuite] Fix gdb.threads/linux-dp.exp

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On openSUSE Tumbleweed with glibc-debuginfo installed I get:
...
 (gdb) PASS: gdb.threads/linux-dp.exp: continue to breakpoint: thread 5's print
 where^M
 #0  print_philosopher (n=3, left=33 '!', right=33 '!') at linux-dp.c:105^M
 #1  0x0000000000401628 in philosopher (data=0x40537c) at linux-dp.c:148^M
 #2  0x00007ffff7d56b37 in start_thread (arg=<optimized out>) \
                          at pthread_create.c:435^M
 #3  0x00007ffff7ddb640 in clone3 () \
                          at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81^M
 (gdb) PASS: gdb.threads/linux-dp.exp: first thread-specific breakpoint hit
...
while without debuginfo installed I get instead:
...
 (gdb) PASS: gdb.threads/linux-dp.exp: continue to breakpoint: thread 5's print
 where^M
 #0  print_philosopher (n=3, left=33 '!', right=33 '!') at linux-dp.c:105^M
 #1  0x0000000000401628 in philosopher (data=0x40537c) at linux-dp.c:148^M
 #2  0x00007ffff7d56b37 in start_thread () from /lib64/libc.so.6^M
 #3  0x00007ffff7ddb640 in clone3 () from /lib64/libc.so.6^M
 (gdb) FAIL: gdb.threads/linux-dp.exp: first thread-specific breakpoint hit
...

The problem is that the regexp used:
...
  "\(from .*libpthread\|at pthread_create\|in pthread_create\)"
...
expects the 'from' part to match libpthread, but in glibc 2.34 libpthread has
been merged into libc.

Fix this by updating the regexp.

Tested on x86_64-linux.
This commit is contained in:
Tom de Vries
2021-10-22 17:46:43 +02:00
parent d5684c961f
commit 5d71c60df5
1 changed files with 1 additions and 1 deletions
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2
gdb/testsuite/gdb.threads/linux-dp.exp
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@ -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.* \(from .*libpthread\|at pthread_create\|in pthread_create\).*" \
gdb_test "where" "print_philosopher.*philosopher.* \(from .*libpthread\|at pthread_create\|in pthread_create|from .*libc\\.\).*" \
"first thread-specific breakpoint hit"
# Make sure it's catching the right thread. Try hitting the