/* src/vm/jit/arm/md-abi.c - functions for arm ABI
- Copyright (C) 1996-2005, 2006, 2007 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, 2007, 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.
- $Id: md-abi.c 7356 2007-02-14 11:00:28Z twisti $
-
*/
#include "vm/jit/arm/md-abi.h"
+#include "vm/descriptor.hpp"
#include "vm/global.h"
#include "vm/jit/abi.h"
-#include "vmcore/descriptor.h"
-
/* register descripton array **************************************************/
"v5", "t3", "t1", "t2", "ip", "sp", "lr", "pc",
};
+const s4 abi_registers_integer_argument[] = {
+ 0, /* a0 */
+ 1, /* a1 */
+ 2, /* a2 */
+ 3, /* a3 */
+ REG_SPLIT,
+};
+
+const s4 abi_registers_integer_saved[] = {
+ 4, /* s0 */
+ 5, /* s1 */
+ 6, /* s2 */
+ 7, /* s3 */
+ 8, /* s4 */
+};
+
+const s4 abi_registers_integer_temporary[] = {
+ -1,
+};
+
#if defined(ENABLE_SOFTFLOAT)
s4 nregdescfloat[] = {
};
#endif /* defined(ENABLE_SOFTFLOAT) */
+const s4 abi_registers_float_argument[] = {
+ -1,
+};
+
+const s4 abi_registers_float_saved[] = {
+ -1,
+};
+
+const s4 abi_registers_float_temporary[] = {
+#if defined(ENABLE_SOFTFLOAT)
+ -1,
+#else
+ 0, /* ft0 */
+ 1, /* ft1 */
+ 2, /* ft2 */
+ 3, /* ft3 */
+ 4, /* ft4 */
+ 5, /* ft5 */
+#endif
+};
+
/* md_param_alloc **************************************************************
s4 stacksize;
/* set default values */
- reguse = 0;
+
+ reguse = 0;
stacksize = 0;
/* get params field of methoddesc */
+
pd = md->params;
for (i = 0; i < md->paramcount; i++, pd++) {
case TYPE_FLT:
if (reguse < INT_ARG_CNT) {
pd->inmemory = false;
- pd->regoff = reguse;
+ pd->index = reguse;
+ pd->regoff = abi_registers_integer_argument[reguse];
reguse++;
}
else {
pd->inmemory = true;
- pd->regoff = stacksize;
+ pd->index = stacksize;
+ pd->regoff = stacksize * 8;
stacksize++;
}
break;
case TYPE_LNG:
case TYPE_DBL:
- if (reguse+1 < INT_ARG_CNT) {
+ /* interally we use the EABI */
+
+ ALIGN_2(reguse);
+
+ if (reguse < INT_ARG_CNT) {
pd->inmemory = false;
#if defined(__ARMEL__)
- pd->regoff = PACK_REGS(reguse, reguse+1);
+ pd->index = PACK_REGS(reguse, reguse + 1);
+ pd->regoff =
+ PACK_REGS(abi_registers_integer_argument[reguse],
+ abi_registers_integer_argument[reguse + 1]);
#else
- pd->regoff = PACK_REGS(reguse+1, reguse);
+ pd->index = PACK_REGS(reguse + 1, reguse);
+ pd->regoff =
+ PACK_REGS(abi_registers_integer_argument[reguse + 1],
+ abi_registers_integer_argument[reguse]);
#endif
reguse += 2;
}
- else if (reguse < INT_ARG_CNT) {
- pd->inmemory = false;
-#if defined(__ARMEL__)
- pd->regoff = PACK_REGS(reguse, INT_ARG_CNT);
-#else
- pd->regoff = PACK_REGS(INT_ARG_CNT, reguse);
-#endif
- reguse++;
- stacksize++;
- }
else {
- pd->inmemory = true;
- pd->regoff = stacksize;
- stacksize += 2;
+
+ /*ALIGN_2(stacksize);*/
+
+ pd->inmemory = true;
+ pd->index = stacksize;
+ pd->regoff = stacksize * 8;
+ /*stacksize += 2;*/
+ stacksize++;
}
break;
}
*******************************************************************************/
-#define ALIGN_2(a) do { if ((a) & 0x1) (a)++; } while (0)
-
void md_param_alloc_native(methoddesc *md)
{
paramdesc *pd;
case TYPE_FLT:
if (reguse < INT_ARG_CNT) {
pd->inmemory = false;
- pd->regoff = reguse;
+ pd->index = -1;
+ pd->regoff = abi_registers_integer_argument[reguse];
reguse++;
}
else {
pd->inmemory = true;
- pd->regoff = stacksize;
+ pd->index = -1;
+ pd->regoff = stacksize * 4;
stacksize++;
}
break;
#endif
pd->inmemory = false;
#if defined(__ARMEL__)
- pd->regoff = PACK_REGS(reguse, reguse + 1);
+ pd->index = -1;
+ pd->regoff =
+ PACK_REGS(abi_registers_integer_argument[reguse],
+ abi_registers_integer_argument[reguse + 1]);
#else
- pd->regoff = PACK_REGS(reguse + 1, reguse);
+ pd->index = -1;
+ pd->regoff =
+ PACK_REGS(abi_registers_integer_argument[reguse + 1],
+ abi_registers_integer_argument[reguse]);
#endif
reguse += 2;
}
else if (reguse < INT_ARG_CNT) {
pd->inmemory = false;
# if defined(__ARMEL__)
- pd->regoff = PACK_REGS(reguse, INT_ARG_CNT);
+ pd->index = -1;
+ pd->regoff =
+ PACK_REGS(abi_registers_integer_argument[reguse],
+ abi_registers_integer_argument[INT_ARG_CNT]);
# else
- pd->regoff = PACK_REGS(INT_ARG_CNT, reguse);
+ pd->index = -1;
+ pd->regoff =
+ PACK_REGS(abi_registers_integer_argument[INT_ARG_CNT],
+ abi_registers_integer_argument[reguse]);
# endif
reguse++;
stacksize++;
ALIGN_2(stacksize);
#endif
pd->inmemory = true;
- pd->regoff = stacksize;
+ pd->index = -1;
+ pd->regoff = stacksize * 4;
reguse = INT_ARG_CNT;
stacksize += 2;
}
*******************************************************************************/
-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 R0 == 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:
*/
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