svn commit: r208555 - head/sys/kern
John Baldwin
jhb at FreeBSD.org
Tue May 25 21:32:38 UTC 2010
Author: jhb
Date: Tue May 25 21:32:37 2010
New Revision: 208555
URL: http://svn.freebsd.org/changeset/base/208555
Log:
Ignore the 'addr' argument passed to PT_STEP (it is required to be '1'
for PT_STEP which means "ignore") and PT_DETACH.
PR: kern/146167
MFC after: 1 week
Modified:
head/sys/kern/sys_process.c
Modified: head/sys/kern/sys_process.c
==============================================================================
--- head/sys/kern/sys_process.c Tue May 25 21:20:56 2010 (r208554)
+++ head/sys/kern/sys_process.c Tue May 25 21:32:37 2010 (r208555)
@@ -899,24 +899,29 @@ kern_ptrace(struct thread *td, int req,
if (error)
goto out;
break;
+ case PT_CONTINUE:
case PT_TO_SCE:
- p->p_stops |= S_PT_SCE;
- break;
case PT_TO_SCX:
- p->p_stops |= S_PT_SCX;
- break;
case PT_SYSCALL:
- p->p_stops |= S_PT_SCE | S_PT_SCX;
- break;
- }
-
- if (addr != (void *)1) {
- error = ptrace_set_pc(td2, (u_long)(uintfptr_t)addr);
- if (error)
+ if (addr != (void *)1) {
+ error = ptrace_set_pc(td2,
+ (u_long)(uintfptr_t)addr);
+ if (error)
+ goto out;
+ }
+ switch (req) {
+ case PT_TO_SCE:
+ p->p_stops |= S_PT_SCE;
break;
- }
-
- if (req == PT_DETACH) {
+ case PT_TO_SCX:
+ p->p_stops |= S_PT_SCX;
+ break;
+ case PT_SYSCALL:
+ p->p_stops |= S_PT_SCE | S_PT_SCX;
+ break;
+ }
+ break;
+ case PT_DETACH:
/* reset process parent */
if (p->p_oppid != p->p_pptr->p_pid) {
struct proc *pp;
@@ -941,6 +946,7 @@ kern_ptrace(struct thread *td, int req,
/* should we send SIGCHLD? */
/* childproc_continued(p); */
+ break;
}
sendsig:
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