diff options
| -rw-r--r-- | tapset/syscalls2.stp | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/tapset/syscalls2.stp b/tapset/syscalls2.stp index aba4be51..38f850f0 100644 --- a/tapset/syscalls2.stp +++ b/tapset/syscalls2.stp @@ -299,11 +299,24 @@ probe syscall.pipe = kernel.function("SyS_pipe").call !, if (@defined($fildes)) { fildes_uaddr = $fildes - argstr = _fildes_u(fildes_uaddr) + if (fildes_uaddr == 0) + { + pipe0 = 0; + pipe1 = 0; + argstr = "NULL" + } + else + { + pipe0 = user_int(&$fildes[0]); + pipe1 = user_int(&$fildes[1]); + argstr = sprintf("[%d, %d]", pipe0, pipe1) + } } else { fildes_uaddr = 0; + pipe0 = 0; + pipe1 = 0; argstr = "" } } @@ -314,6 +327,26 @@ probe syscall.pipe.return = kernel.function("SyS_pipe").return !, kernel.function("sys_pipe").return { name = "pipe" + if (@defined($fildes)) + { + fildes_uaddr = $fildes + if (fildes_uaddr == 0) + { + pipe0 = 0; + pipe1 = 0; + } + else + { + pipe0 = user_int(&$fildes[0]); + pipe1 = user_int(&$fildes[1]); + } + } + else + { + fildes_uaddr = 0; + pipe0 = 0; + pipe1 = 0; + } retstr = returnstr(1) } |