From e492116f04d3b4d704c4f6f3259143d7fb16a03e Mon Sep 17 00:00:00 2001 From: Tom de Vries Date: Wed, 26 Jul 2023 11:53:31 +0200 Subject: [PATCH 03/12] [gdb/testsuite] Fix regexps in gdb.base/step-over-syscall.exp When running test-case gdb.base/step-over-syscall.exp without glibc debuginfo installed, I get: ... (gdb) continue^M Continuing.^M ^M Breakpoint 2, 0x00007ffff7d4405e in vfork () from /lib64/libc.so.6^M (gdb) PASS: gdb.base/step-over-syscall.exp: vfork: displaced=off: \ continue to vfork (1st time) ... but with glibc debuginfo installed I get instead: ... (gdb) continue^M Continuing.^M ^M Breakpoint 2, 0x00007ffff7d4405e in __libc_vfork () at \ ../sysdeps/unix/sysv/linux/x86_64/vfork.S:44^M 44 ENTRY (__vfork)^M (gdb) FAIL: gdb.base/step-over-syscall.exp: vfork: displaced=off: \ continue to vfork (1st time) ... The FAIL is due to a mismatch with regexp: ... "Breakpoint \[0-9\]+, (.* in |__libc_|)$syscall \\(\\).*" ... because it cannot match both ".* in " and the __libc_ prefix. Fix this by using instead the regexp: ... "Breakpoint \[0-9\]+, (.* in )?(__libc_)?$syscall \\(\\).*" ... Tested on x86_64-linux. --- gdb/testsuite/gdb.base/step-over-syscall.exp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/gdb/testsuite/gdb.base/step-over-syscall.exp b/gdb/testsuite/gdb.base/step-over-syscall.exp index 424eee142fd..87ff2606d30 100644 --- a/gdb/testsuite/gdb.base/step-over-syscall.exp +++ b/gdb/testsuite/gdb.base/step-over-syscall.exp @@ -127,13 +127,13 @@ proc setup { syscall } { gdb_test "break \*$syscall" "Breakpoint \[0-9\]* at .*" - gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in |__libc_|)$syscall \\(\\).*" \ + gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in )?(__libc_)?$syscall \\(\\).*" \ "continue to $syscall (1st time)" # Hit the breakpoint on $syscall for the first time. In this time, # we will let PLT resolution done, and the number single steps we will # do later will be reduced. - gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in |__libc_|)$syscall \\(\\).*" \ + gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in )?(__libc_)?$syscall \\(\\).*" \ "continue to $syscall (2nd time)" # Hit the breakpoint on $syscall for the second time. In this time, # the address of syscall insn and next insn of syscall are recorded. @@ -265,7 +265,7 @@ proc step_over_syscall { syscall } { return -1 } - gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in |__libc_|)$syscall \\(\\).*" \ + gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in )?(__libc_)?$syscall \\(\\).*" \ "continue to $syscall (3rd time)" # Hit the breakpoint on $syscall for the third time. In this time, we'll set @@ -333,7 +333,7 @@ proc break_cond_on_syscall { syscall follow_fork detach_on_fork } { return -1 } - gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in |__libc_|)$syscall \\(\\).*" \ + gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, (.* in )?(__libc_)?$syscall \\(\\).*" \ "continue to $syscall" # Delete breakpoint syscall insns to avoid interference with other syscalls. delete_breakpoints -- 2.35.3