diff options
| author | Mark Wielaard <mjw@redhat.com> | 2010-03-19 20:57:01 +0100 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2010-03-19 21:03:14 +0100 |
| commit | 824dd80202a13092d4cac5faa84d67982845dd50 (patch) | |
| tree | 8a71a62bde5cbb6ef7d73bbdb95639785747d845 /tapset | |
| parent | fdba3aba0a17395abfe92afd1f739fc6a61c9266 (diff) | |
| download | systemtap-steved-824dd80202a13092d4cac5faa84d67982845dd50.tar.gz systemtap-steved-824dd80202a13092d4cac5faa84d67982845dd50.tar.xz systemtap-steved-824dd80202a13092d4cac5faa84d67982845dd50.zip | |
Add ia64 pipe result support. Relax pipe syscall test a little.
* tapset/syscalls2.stp (syscall.pipe.return): ia64 provides pipe0, pipe1
results through (user) registers.
* testsuite/systemtap.syscall/pipe.c: Only expect zero as input fildes.
Diffstat (limited to 'tapset')
| -rw-r--r-- | tapset/syscalls2.stp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/tapset/syscalls2.stp b/tapset/syscalls2.stp index 93ca2c27..da6b637e 100644 --- a/tapset/syscalls2.stp +++ b/tapset/syscalls2.stp @@ -286,6 +286,16 @@ probe syscall.personality.return = kernel.function("SyS_personality").return !, name = "personality" retstr = returnstr(1) } + +# ia64 returns the results from the pipe call through (user) registers. +%( arch == "ia64" %? +function _ia64_pipe0:long() %{ + THIS->__retvalue = CONTEXT->regs ? CONTEXT->regs->r8 : 0; +%} +function _ia64_pipe1:long() %{ + THIS->__retvalue = task_pt_regs(current)->r9; +%} +%) # pipe _______________________________________________________ # # asmlinkage int @@ -324,7 +334,7 @@ probe syscall.pipe = kernel.function("SyS_pipe2").call !, fildes_uaddr = 0; pipe0 = 0; pipe1 = 0; - argstr = ""; + argstr = "[0, 0]"; } } probe syscall.pipe.return = kernel.function("SyS_pipe2").return !, @@ -352,7 +362,13 @@ probe syscall.pipe.return = kernel.function("SyS_pipe2").return !, pipe0 = 0; pipe1 = 0; } +%( arch == "ia64" %? + pipe0 = _ia64_pipe0(); + pipe1 = _ia64_pipe1(); + retstr = (pipe0 < 0) ? returnstr(1) : "0"; +%: retstr = returnstr(1) +%) } # pivot_root _________________________________________________ |