-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dave Korn schrieb: > On 24 May 2006 13:19, Ralf Habacker wrote: > >> This breakpoint is never reached (at least in released gdb) and makes it >> hard to debug cygwin's threading stuff, probably impossible in this area. > > How many times do you have to be told? The last released gdb is known to > not cope with this. IT IS A KNOWN BUG. IT HAS BEEN FIXED. > I have downloaded and compiled gdb weekly snapshot (20060522), but there are still problems with tracing after an internal exception occured. I am using testcase mutex1n.c from cvs path src/winsup/testsuite/winsup.api/pthread and set a breakpoint to pthread_mutexattr_init
Breakpoint 1, pthread_mutexattr_init (attr=0x404040) at /netrel/src/cygwin-snapshot-20060522-1/winsup/cygwin/cygtls.h:253 1: x/i $eip 0x610b0f07 <pthread_mutexattr_init+7>: lea 0xffffff08(%ebp),%esi (gdb) ni <snip> 0x610b1005 129 in /netrel/src/cygwin-snapshot-20060522-1/winsup/cygwin/thread.cc 1: x/i $eip 0x610b1005 <pthread_mutexattr_init+261>: cmpl $0xdf0df049,0x4(%eax) (gdb) here the internal exception occurs and gdb is out of sync until the application ends or a later breakpoint is hit. 0x7c91eaf0 in ntdll!LdrDisableThreadCalloutsForDll () from /c/WINDOWS/system32/ntdll.dll 1: x/i $eip 0x7c91eaf0 <ntdll!LdrDisableThreadCalloutsForDll+4>: mov (%esp),%ebx (gdb) 0x7c91eaf3 in ntdll!LdrDisableThreadCalloutsForDll () from /c/WINDOWS/system32/ntdll.dll 1: x/i $eip 0x7c91eaf3 <ntdll!LdrDisableThreadCalloutsForDll+7>: push %ecx (gdb) 0x7c91eaf4 in ntdll!LdrDisableThreadCalloutsForDll () from /c/WINDOWS/system32/ntdll.dll 1: x/i $eip 0x7c91eaf4 <ntdll!LdrDisableThreadCalloutsForDll+8>: push %ebx (gdb) 0x7c91eaf5 in ntdll!LdrDisableThreadCalloutsForDll () from /c/WINDOWS/system32/ntdll.dll 1: x/i $eip 0x7c91eaf5 <ntdll!LdrDisableThreadCalloutsForDll+9>: call 0x7c9477c1 <ntdll!LdrFindCreateProcessManifest+424> (gdb) Program exited normally. (gdb) Regards Ralf -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (Cygwin) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFEeKSToHh+5t8EXncRAgxiAJsHfqsBSME06zaSaMD/kgrQH4GJAgCeMqUp wSedYnMrgNRpkpXRuny/2YE= =1zgp -----END PGP SIGNATURE----- -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
