#!/usr/sbin/dtrace -s
BEGIN
{
printf("\nTarget is : %d\nSegement is %X\n",$target, $1);
}
syscall::mmap64:return
/arg1 == $1 && pid == $target/
{
printf("mmap returns: %x",arg1);
self->triggered = 1;
}
pid$target:zsh:dupstring:return
/self->triggered == 1/
{
/*printf("Dupstring: %s",copyinstr(arg1));*/
self->triggered = 0;
}
syscall::mmap64:entry
/pid == $target/
{
printf("mmap size: %d",arg1);
}
syscall::munmap:entry
/arg0 == $1 && pid == $target/
{
printf("munmap size: %d\n",arg1);
ustack();
self->munmapping = 1;
}
syscall::munmap:return
/self->munmapping/
{
printf("Result of munmapping the segment in question was: %d",arg1);
self->munmapping = 0;
}
fbt::as_removeseg:entry
/execname == "zsh" && ((struct seg*)arg1)->s_base == (caddr_t)$1/
{
printf("\nGot removed");
ustack();
stack();
exit(0);
}
fbt::as_addseg:entry
/execname == "zsh" && ((struct seg*)arg1)->s_base == (caddr_t)$1/
{
printf("\nGot added");
ustack();
stack();
}
Danke an das ZSH-Team für das Überprüfen meines Patches.
Index: Src/mem.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/mem.c,v
retrieving revision 1.16
diff -u -p -r1.16 mem.c
--- Src/mem.c 17 May 2008 17:55:38 -0000 1.16
+++ Src/mem.c 7 Sep 2008 09:23:32 -0000
@@ -153,9 +153,9 @@ old_heaps(Heap old)
n = h->next;
DPUTS(h->sp, "BUG: old_heaps() with pushed heaps");
#ifdef USE_MMAP
- munmap((void *) h, sizeof(*h));
+ munmap((void *) h, h->size);
#else
- zfree(h, sizeof(*h));
+ zfree(h, HEAPSIZE);
#endif
}
heaps = old;
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