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| author | David Smith <dsmith@redhat.com> | 2008-08-20 12:33:13 -0500 |
|---|---|---|
| committer | David Smith <dsmith@redhat.com> | 2008-08-20 12:33:13 -0500 |
| commit | ef4042bd5adb8062c31789a9786bf558f5f11e9e (patch) | |
| tree | ed2dde1e1b32da88888763da19775d3f6e763ed6 /runtime/task_finder.c | |
| parent | 930a1798154b9c1caf27009825b2b165ef577a1e (diff) | |
| download | systemtap-steved-ef4042bd5adb8062c31789a9786bf558f5f11e9e.tar.gz systemtap-steved-ef4042bd5adb8062c31789a9786bf558f5f11e9e.tar.xz systemtap-steved-ef4042bd5adb8062c31789a9786bf558f5f11e9e.zip | |
Looks for both mmap and mmap2.
2008-08-20 David Smith <dsmith@redhat.com>
* task_finder.c (__stp_utrace_task_finder_target_syscall_entry):
Handles mmap2 (as well as mmap).
(__stp_utrace_task_finder_target_syscall_exit): Ditto.
* syscall.h: Added defines for mmap and mmap2.
Diffstat (limited to 'runtime/task_finder.c')
| -rw-r--r-- | runtime/task_finder.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/runtime/task_finder.c b/runtime/task_finder.c index d7450a41..b483cf23 100644 --- a/runtime/task_finder.c +++ b/runtime/task_finder.c @@ -717,6 +717,7 @@ __stp_utrace_task_finder_target_syscall_entry(struct utrace_attached_engine *eng // FIXME: do we need to handle mremap()? syscall_no = __stp_user_syscall_nr(regs); if (syscall_no != MMAP_SYSCALL_NO(tsk) + && syscall_no != MMAP2_SYSCALL_NO(tsk) && syscall_no != MPROTECT_SYSCALL_NO(tsk) && syscall_no != MUNMAP_SYSCALL_NO(tsk)) return UTRACE_ACTION_RESUME; @@ -815,6 +816,7 @@ __stp_utrace_task_finder_target_syscall_exit(struct utrace_attached_engine *engi // FIXME: do we need to handle mremap()? syscall_no = __stp_user_syscall_nr(regs); if (syscall_no != MMAP_SYSCALL_NO(tsk) + && syscall_no != MMAP2_SYSCALL_NO(tsk) && syscall_no != MPROTECT_SYSCALL_NO(tsk) && syscall_no != MUNMAP_SYSCALL_NO(tsk)) return UTRACE_ACTION_RESUME; @@ -841,10 +843,11 @@ __stp_utrace_task_finder_target_syscall_exit(struct utrace_attached_engine *engi "tsk %d found %s(0x%lx), returned 0x%lx\n", tsk->pid, ((syscall_no == MMAP_SYSCALL_NO(tsk)) ? "mmap" - : ((syscall_no == MPROTECT_SYSCALL_NO(tsk)) ? "mprotect" - : ((syscall_no == MUNMAP_SYSCALL_NO(tsk)) ? "munmap" - : "UNKNOWN"))), - arg0, rv); + : ((syscall_no == MMAP2_SYSCALL_NO(tsk)) ? "mmap2" + : ((syscall_no == MPROTECT_SYSCALL_NO(tsk)) ? "mprotect" + : ((syscall_no == MUNMAP_SYSCALL_NO(tsk)) ? "munmap" + : "UNKNOWN"))), + arg0, rv); #endif // Try to find the vma info we might have saved. |