-/* src/vm/jit/x86_64/md-abi.c - functions for x86_64 Linux ABI
+/* src/vm/jit/s390/md-abi.c - s390 Linux ABI
- Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
- C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
- E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
- J. Wenninger, Institut f. Computersprachen - TU Wien
+ Copyright (C) 1996-2005, 2006, 2008
+ CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
This file is part of CACAO.
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Contact: cacao@cacaojvm.org
-
- Authors: Christian Thalinger
-
- Changes:
-
*/
+
#include "config.h"
+#include "vm/descriptor.hpp"
#include "vm/global.h"
-#include "vm/jit/jit.h"
-#include "vm/jit/s390/md-abi.h"
#include "vm/types.h"
-#include "vmcore/descriptor.h"
+#include "vm/jit/jit.hpp"
+#include "vm/jit/stack.h"
+
+#include "vm/jit/s390/md-abi.h"
#include <assert.h>
+
/* register descripton array **************************************************/
s4 nregdescint[] = {
slot: size in bytes of a stack slot
slots1w: number of stack slots used by a 1 word type parameter
slots2w: number of stack slots used by a 2 word type parameter
+ stackoff: offset on stack frame where to start placing arguments
*******************************************************************************/
-static void md_param_alloc_intern(methoddesc *md, s4 slot, s4 slots1w, s4 slots2w)
+static void md_param_alloc_intern(methoddesc *md, s4 slot, s4 slots1w, s4 slots2w, s4 stackoff)
{
paramdesc *pd;
s4 i;
}
else {
pd->inmemory = true;
- pd->regoff = stacksize * slot;
+ pd->regoff = (stacksize * slot) + stackoff;
pd->index = stacksize;
stacksize += slots1w;
}
else {
/* _ALIGN(stacksize); */
pd->inmemory = true;
- pd->regoff = stacksize * slot;
+ pd->regoff = (stacksize * slot) + stackoff;
pd->index = stacksize;
iarg = INT_ARG_CNT;
stacksize += slots2w;
}
else {
pd->inmemory = true;
- pd->regoff = stacksize * slot;
+ pd->regoff = (stacksize * slot) + stackoff;
pd->index = stacksize;
stacksize += slots1w;
}
else {
/* _ALIGN(stacksize); */
pd->inmemory = true;
- pd->regoff = stacksize * slot;
+ pd->regoff = (stacksize * slot) + stackoff;
pd->index = stacksize;
stacksize += slots2w;
}
void md_param_alloc(methoddesc *md)
{
- md_param_alloc_intern(md, 8, 1, 1);
+ md_param_alloc_intern(md, 8, 1, 1, 0);
}
void md_param_alloc_native(methoddesc *md)
{
- md_param_alloc_intern(md, 4, 1, 2);
+ md_param_alloc_intern(md, 4, 1, 2, 96);
}
*******************************************************************************/
-void md_return_alloc(jitdata *jd, stackptr stackslot)
+void md_return_alloc(jitdata *jd, stackelement_t* stackslot)
{
methodinfo *m;
+ codeinfo *code;
registerdata *rd;
methoddesc *md;
/* get required compiler data */
- m = jd->m;
- rd = jd->rd;
+ m = jd->m;
+ code = jd->code;
+ rd = jd->rd;
md = m->parseddesc;
their argument register -> so leafmethods with paramcount > 0
could already use R3 == a00! */
- if (!jd->isleafmethod || (md->paramcount == 0)) {
+ if (!code_is_leafmethod(code) || (md->paramcount == 0)) {
/* Only precolor the stackslot, if it is not a SAVEDVAR <->
has not to survive method invokations. */
* c-basic-offset: 4
* tab-width: 4
* End:
+ * vim:noexpandtab:sw=4:ts=4:
*/