diff options
Diffstat (limited to 'tapset/powerpc/syscalls.stp')
-rw-r--r-- | tapset/powerpc/syscalls.stp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/tapset/powerpc/syscalls.stp b/tapset/powerpc/syscalls.stp index 0518d486..aa90eb92 100644 --- a/tapset/powerpc/syscalls.stp +++ b/tapset/powerpc/syscalls.stp @@ -511,10 +511,13 @@ probe syscall.mmap = kernel.function("sys_mmap") ? len = $len prot = $prot flags = $flags - fd = $fd + # Although the kernel gets an unsigned long fd, on the + # user-side it is a signed int. Fix this. + fd = __int32($fd) offset = $offset argstr = sprintf("%p, %d, %s, %s, %d, %d", $addr, $len, - _mprotect_prot_str($prot), _mmap_flags($flags), $fd, $offset) + _mprotect_prot_str($prot), _mmap_flags($flags), + __int32($fd), $offset) } probe syscall.mmap.return = kernel.function("sys_mmap").return ? @@ -539,11 +542,13 @@ probe syscall.mmap2 = kernel.function("sys_mmap2") ?, length = $len prot = $prot flags = $flags - fd = $fd + # Although the kernel gets an unsigned long fd, on the + # user-side it is a signed int. Fix this. + fd = __int32($fd) pgoffset = $pgoff argstr = sprintf("%p, %d, %s, %s, %d, %d", $addr, $len, _mprotect_prot_str($prot), _mmap_flags($flags), - $fd, $pgoff) + __int32($fd), $pgoff) } probe syscall.mmap2.return = kernel.function("sys_mmap2").return ?, kernel.function("compat_sys_mmap2").return ? |