PERFORCE change 102002 for review
Howard Su
howardsu at FreeBSD.org
Thu Jul 20 15:46:26 UTC 2006
http://perforce.freebsd.org/chv.cgi?CH=102002
Change 102002 by howardsu at su_vm on 2006/07/20 15:45:59
Fix sdt probe's stack. We need set caller pc.
disable verbose output by default.
Affected files ...
.. //depot/projects/dtrace/src/sys/cddl/dev/sdt/sdt.c#7 edit
Differences ...
==== //depot/projects/dtrace/src/sys/cddl/dev/sdt/sdt.c#7 (text+ko) ====
@@ -103,12 +103,13 @@
static sdt_probe_t **sdt_probetab;
static int sdt_probetab_size;
static int sdt_probetab_mask;
-static int sdt_verbose = 1;
+static int sdt_verbose = 0;
static int
sdt_invop(uintptr_t addr, uintptr_t *stack, uintptr_t rval)
{
- uintptr_t stack0, stack1, stack2, stack3, stack4;
+ struct pcpu *cpu = pcpu_find(curcpu);
+ uintptr_t stack0, stack1, stack2, stack3, stack4;
sdt_probe_t *sdt = sdt_probetab[SDT_ADDR2NDX(addr)];
for (; sdt != NULL; sdt = sdt->sdp_hashnext) {
@@ -122,7 +123,8 @@
* disabled.
*/
DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT);
- stack0 = stack[i++];
+ cpu->pc_dtrace_caller = addr;
+ stack0 = stack[i++];
stack1 = stack[i++];
stack2 = stack[i++];
stack3 = stack[i++];
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