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From: "jan dot kratochvil at redhat dot com" <sourceware-bugzilla@sourceware.org> To: gdb-prs@sourceware.org Subject: [Bug gdb/11842] New: compat_siginfo_from_siginfo and siginfo_from_compat_siginfo are wrong Date: Mon, 26 Jul 2010 09:37:00 -0000 [thread overview] Message-ID: <20100726093712.11842.jan.kratochvil@redhat.com> (raw) Only biarch gdb is affected. #include <unistd.h> #include <sys/syscall.h> #include <signal.h> #define tgkill(tgid, tid, sig) syscall (__NR_tgkill, tgid, tid, sig) int main (void) { return tgkill (getpid (), getpid (), SIGUSR1); } gcc -o 1 1.c -Wall -g -m32 GNU gdb (GDB) 7.2.50.20100726-cvs This GDB was configured as "x86_64-unknown-linux-gnu". gcc-4.4.4-10.fc13.x86_64 kernel-2.6.33.6-147.fc13.x86_64 ./gdb -nx -ex start -ex 'p getpid ()' -ex c -ex 'p $_siginfo._sifields._kill.si_pid' ./1 [...] $1 = 23172 Continuing. Program received signal SIGUSR1, User defined signal 1. 0x00110430 in __kernel_vsyscall () $2 = 0 $1 and $2 are the same for native x86_64 and for native i686. $1 and $2 SHOULD be the same even for i686 on x86_64 debugger. compat_siginfo_from_siginfo and siginfo_from_compat_siginfo are wrong in: gdb/gdbserver/linux-x86-low.c gdb/amd64-linux-nat.c -- Summary: compat_siginfo_from_siginfo and siginfo_from_compat_siginfo are wrong Product: gdb Version: unknown Status: UNCONFIRMED Severity: minor Priority: P2 Component: gdb AssignedTo: unassigned at sourceware dot org ReportedBy: jan dot kratochvil at redhat dot com CC: gdb-prs at sourceware dot org GCC target triplet: x86_64-fedora13-linux-gnu http://sourceware.org/bugzilla/show_bug.cgi?id=11842 ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.
next reply other threads:[~2010-07-26 9:37 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-07-26 9:37 jan dot kratochvil at redhat dot com [this message] 2010-07-26 9:39 ` [Bug gdb/11842] " jan dot kratochvil at redhat dot com 2010-08-06 12:28 ` pedro at codesourcery dot com 2010-08-06 12:41 ` jan dot kratochvil at redhat dot com 2010-08-06 13:31 ` pedro at codesourcery dot com 2010-08-06 13:35 ` jan dot kratochvil at redhat dot com 2010-08-30 8:47 ` jan dot kratochvil at redhat dot com 2010-09-29 9:03 ` pedro at codesourcery dot com
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