Christian Ullrich
Edwin Steiner
- $Id: codegen.c 5282 2006-08-28 19:31:37Z tbfg $
+ $Id: codegen.c 5283 2006-08-31 13:32:19Z tbfg $
*/
#endif
-void codegen_trace_args(jitdata *jd, s4 stackframesize, bool nativestub);
-
/* codegen *********************************************************************
Generates machine code.
/* call trace function */
if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- codegen_trace_args(jd, stackframesize, false);
+ emit_verbosecall_enter(jd);
+
}
/* end of header generation */
/* call trace function */
if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
- M_MFLR(REG_ZERO);
- M_LDA(REG_SP, REG_SP, -(LA_SIZE+PA_SIZE+10*8));
- M_DST(REG_FRESULT, REG_SP, LA_SIZE+PA_SIZE+0*8);
- M_LST(REG_RESULT, REG_SP, LA_SIZE+PA_SIZE+1*8);
- M_AST(REG_ZERO, REG_SP, LA_SIZE+PA_SIZE+2*8);
-
- /* keep this order */
- switch (iptr->opc) {
- case ICMD_IRETURN:
- case ICMD_ARETURN:
-#if defined(__DARWIN__)
- M_MOV(REG_RESULT, rd->argintregs[2]);
- M_CLR(rd->argintregs[1]);
-#else
- M_MOV(REG_RESULT, rd->argintregs[3]);
- M_CLR(rd->argintregs[2]);
-#endif
- break;
-
- case ICMD_LRETURN:
-#if defined(__DARWIN__)
- M_MOV(REG_RESULT, rd->argintregs[1]);
-#else
- M_MOV(REG_RESULT, rd->argintregs[2]);
-#endif
- break;
- }
-
- disp = dseg_addaddress(cd, m);
- M_ALD(rd->argintregs[0], REG_PV, disp);
-
- M_FLTMOVE(REG_FRESULT, rd->argfltregs[0]);
- M_FLTMOVE(REG_FRESULT, rd->argfltregs[1]);
- disp = dseg_addaddress(cd, builtin_displaymethodstop);
- M_ALD(REG_ITMP2, REG_PV, disp);
- M_MTCTR(REG_ITMP2);
- M_JSR;
-
- M_DLD(REG_FRESULT, REG_SP, LA_SIZE+PA_SIZE+0*8);
- M_LLD(REG_RESULT, REG_SP, LA_SIZE+PA_SIZE+1*8);
- M_ALD(REG_ZERO, REG_SP, LA_SIZE+PA_SIZE+2*8);
- M_LDA(REG_SP, REG_SP, LA_SIZE+PA_SIZE+10*8);
- M_MTLR(REG_ZERO);
+ emit_verbosecall_exit(jd);
}
#if defined(ENABLE_THREADS)
/* restore saved registers */
for (i = INT_SAV_CNT - 1; i >= rd->savintreguse; i--) {
- p--; M_ILD(rd->savintregs[i], REG_SP, p * 8);
+ p--; M_LLD(rd->savintregs[i], REG_SP, p * 8);
}
for (i = FLT_SAV_CNT - 1; i >= rd->savfltreguse; i--) {
p--; M_DLD(rd->savfltregs[i], REG_SP, p * 8);
sizeof(stackframeinfo) / SIZEOF_VOID_P +
sizeof(localref_table) / SIZEOF_VOID_P +
4 + /* 4 stackframeinfo arguments (darwin)*/
- nmd->paramcount * 2 + /* assume all arguments are doubles */
+ nmd->paramcount +
nmd->memuse;
stackframesize = (stackframesize + 3) & ~3; /* keep stack 16-byte aligned */
M_STDU(REG_SP, REG_SP, -(stackframesize * 8));
if (JITDATA_HAS_FLAG_VERBOSECALL(jd))
- /* parent_argbase == stackframesize * 4 */
- codegen_trace_args(jd, stackframesize * 4 , true);
+ emit_verbosecall_enter(jd);
/* get function address (this must happen before the stackframeinfo) */
if (IS_INT_LNG_TYPE(t)) {
if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- if (IS_2_WORD_TYPE(t)) {
- M_IST(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- j++;
- M_IST(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- } else {
- M_IST(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- }
+ M_LST(rd->argintregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
j++;
}
}
if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- M_DST(rd->argfltregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 8);
+ M_DST(rd->argfltregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
j++;
}
}
/* create native stack info */
- M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[0]);
+ M_AADD_IMM(REG_SP, stackframesize * 8, rd->argintregs[0]);
M_MOV(REG_PV, rd->argintregs[1]);
- M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[2]);
- M_ALD(rd->argintregs[3], REG_SP, stackframesize * 4 + LA_LR_OFFSET);
+ M_AADD_IMM(REG_SP, stackframesize * 8, rd->argintregs[2]);
+ M_ALD(rd->argintregs[3], REG_SP, stackframesize * 8 + LA_LR_OFFSET);
disp = dseg_addaddress(cd, codegen_start_native_call);
M_ALD(REG_ITMP1, REG_PV, disp);
M_MTCTR(REG_ITMP1);
if (IS_INT_LNG_TYPE(t)) {
if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
-
- if (IS_2_WORD_TYPE(t)) {
- M_ILD(rd->argintregs[GET_HIGH_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- j++;
- M_ILD(rd->argintregs[GET_LOW_REG(s1)], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- } else {
- M_ILD(rd->argintregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 4);
- }
+ M_LLD(rd->argintregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
j++;
}
}
if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
if (!md->params[i].inmemory) {
s1 = md->params[i].regoff;
- M_DLD(rd->argfltregs[s1], REG_SP, LA_SIZE + 4 * 4 + j * 8);
+ M_DLD(rd->argfltregs[s1], REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + j * 8);
j++;
}
}
if (IS_INT_LNG_TYPE(t)) {
if (!md->params[i].inmemory) {
- if (IS_2_WORD_TYPE(t))
- s1 = PACK_REGS(
- rd->argintregs[GET_LOW_REG(md->params[i].regoff)],
- rd->argintregs[GET_HIGH_REG(md->params[i].regoff)]);
- else
- s1 = rd->argintregs[md->params[i].regoff];
+ s1 = rd->argintregs[md->params[i].regoff];
if (!nmd->params[j].inmemory) {
- if (IS_2_WORD_TYPE(t)) {
- s2 = PACK_REGS(
- rd->argintregs[GET_LOW_REG(nmd->params[j].regoff)],
- rd->argintregs[GET_HIGH_REG(nmd->params[j].regoff)]);
- M_LNGMOVE(s1, s2);
- } else {
- s2 = rd->argintregs[nmd->params[j].regoff];
- M_INTMOVE(s1, s2);
- }
-
+ s2 = rd->argintregs[nmd->params[j].regoff];
+ M_INTMOVE(s1, s2);
} else {
s2 = nmd->params[j].regoff;
- if (IS_2_WORD_TYPE(t))
- M_LST(s1, REG_SP, s2 * 4);
- else
- M_IST(s1, REG_SP, s2 * 4);
+ M_LST(s1, REG_SP, s2 * 8);
}
} else {
s1 = md->params[i].regoff + stackframesize;
s2 = nmd->params[j].regoff;
- M_ILD(REG_ITMP1, REG_SP, s1 * 4);
- if (IS_2_WORD_TYPE(t))
- M_ILD(REG_ITMP2, REG_SP, s1 * 4 + 4);
-
- M_IST(REG_ITMP1, REG_SP, s2 * 4);
- if (IS_2_WORD_TYPE(t))
- M_IST(REG_ITMP2, REG_SP, s2 * 4 + 4);
+ M_LLD(REG_ITMP1, REG_SP, s1 * 8);
+ M_LST(REG_ITMP1, REG_SP, s2 * 8);
}
} else {
s2 = nmd->params[j].regoff;
if (IS_2_WORD_TYPE(t)) {
- M_DLD(REG_FTMP1, REG_SP, s1 * 4);
- M_DST(REG_FTMP1, REG_SP, s2 * 4);
+ M_DLD(REG_FTMP1, REG_SP, s1 * 8);
+ M_DST(REG_FTMP1, REG_SP, s2 * 8);
} else {
- M_FLD(REG_FTMP1, REG_SP, s1 * 4);
- M_FST(REG_FTMP1, REG_SP, s2 * 4);
+ M_FLD(REG_FTMP1, REG_SP, s1 * 8);
+ M_FST(REG_FTMP1, REG_SP, s2 * 8);
}
}
}
if (md->returntype.type != TYPE_VOID) {
if (IS_INT_LNG_TYPE(md->returntype.type)) {
- M_LST(REG_RESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_LST(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
}
else {
if (IS_2_WORD_TYPE(md->returntype.type))
- M_DST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_DST(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
else
- M_FST(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8); /* FIXME, needed ?*/
+ M_FST(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8); /* FIXME, needed ?*/
}
}
/* print call trace */
if (JITDATA_HAS_FLAG_VERBOSECALL(jd)) {
+ emit_verbosecall_exit(jd);
+#if 0
/* just restore the value we need, don't care about the other */
if (md->returntype.type != TYPE_VOID) {
if (IS_INT_LNG_TYPE(md->returntype.type)) {
- M_LLD(REG_RESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_LLD(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
}
else {
if (IS_2_WORD_TYPE(md->returntype.type))
- M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8);
+ M_DLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
else
- M_FLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 8); /* FIXME, needed ? */
+ M_FLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8); /* FIXME, needed ? */
}
}
M_LDA(REG_SP, REG_SP, -(LA_SIZE + PA_SIZE + (1 + 1 + 1 + 1) * 8));
+#if 0
/* keep this order */
switch (md->returntype.type) {
case TYPE_INT:
#endif
break;
}
+#endif
+#endif
+ /* result as first argument for builtin_displaymethodstop */
+ M_MOV(REG_RESULT, rd->argintregs[1]);
M_FLTMOVE(REG_FRESULT, rd->argfltregs[0]);
M_FLTMOVE(REG_FRESULT, rd->argfltregs[1]);
M_ALD(rd->argintregs[0], REG_PV, disp);
disp = dseg_addaddress(cd, builtin_displaymethodstop);
+ /* call via function descriptor, XXX: what about TOC ? */
M_ALD(REG_ITMP2, REG_PV, disp);
+ M_ALD(REG_ITMP2, REG_ITMP2, 0);
M_MTCTR(REG_ITMP2);
M_JSR;
/* remove native stackframe info */
- M_AADD_IMM(REG_SP, stackframesize * 4, rd->argintregs[0]);
+ M_AADD_IMM(REG_SP, stackframesize * 8, rd->argintregs[0]);
disp = dseg_addaddress(cd, codegen_finish_native_call);
M_ALD(REG_ITMP1, REG_PV, disp);
M_MTCTR(REG_ITMP1);
if (md->returntype.type != TYPE_VOID) {
if (IS_INT_LNG_TYPE(md->returntype.type)) {
- if (IS_2_WORD_TYPE(md->returntype.type))
- /*M_ILD(REG_RESULT2, REG_SP, LA_SIZE + 2 * 4);FIXME*/
- M_ILD(REG_RESULT, REG_SP, LA_SIZE + 1 * 4);
+ M_LLD(REG_RESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
}
else {
if (IS_2_WORD_TYPE(md->returntype.type))
- M_DLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
+ M_DLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
else
- M_FLD(REG_FRESULT, REG_SP, LA_SIZE + 1 * 4);
+ M_FLD(REG_FRESULT, REG_SP, LA_SIZE + PA_SIZE + 1 * 8);
}
}
}
-void codegen_trace_args(jitdata *jd, s4 stackframesize, bool nativestub)
-{
- methodinfo *m;
- codegendata *cd;
- registerdata *rd;
- s4 s1, p, t, d;
- int stack_off;
- int stack_size;
- methoddesc *md;
-
- /* get required compiler data */
-
- m = jd->m;
- cd = jd->cd;
- rd = jd->rd;
-
- md = m->parseddesc;
-
- if (!nativestub)
- M_MFLR(REG_ITMP3);
- /* Build up Stackframe for builtin_trace_args call (a multiple of 16) */
- /* For Darwin: */
- /* LA + TRACE_ARGS_NUM u8 args + methodinfo + LR */
- /* LA_SIZE(=6*4) + 8*8 + 4 + 4 + 0(Padding) */
- /* 6 * 4 + 8 * 8 + 2 * 4 = 12 * 8 = 6 * 16 */
- /* For Linux: */
- /* LA + (TRACE_ARGS_NUM - INT_ARG_CNT/2) u8 args + methodinfo */
- /* + INT_ARG_CNT * 4 ( save integer registers) + LR + 8 + 8 (Padding) */
- /* LA_SIZE(=2*4) + 4 * 8 + 4 + 8 * 4 + 4 + 8 */
- /* 2 * 4 + 4 * 8 + 10 * 4 + 1 * 8 + 8= 12 * 8 = 6 * 16 */
-
- /* in nativestubs no Place to save the LR (Link Register) would be needed */
- /* but since the stack frame has to be aligned the 4 Bytes would have to */
- /* be padded again */
-
-#if defined(__DARWIN__)
- stack_size = LA_SIZE + (TRACE_ARGS_NUM + 1) * 8;
-#else
- stack_size = 6 * 16;
-#endif
- M_LDA(REG_SP, REG_SP, -stack_size);
-
- /* Save LR */
- if (!nativestub)
- M_IST(REG_ITMP3, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8 + 1 * 4);
-
- M_CLR(REG_ITMP1); /* clear help register */
-
- /* save up to TRACE_ARGS_NUM arguments into the reserved stack space */
-#if defined(__DARWIN__)
- /* Copy Params starting from first to Stack */
- /* since TRACE_ARGS == INT_ARG_CNT all used integer argument regs */
- /* are saved */
- p = 0;
-#else
- /* Copy Params starting from fifth to Stack (INT_ARG_CNT/2) are in */
- /* integer argument regs */
- /* all integer argument registers have to be saved */
- for (p = 0; p < 8; p++) {
- d = rd->argintregs[p];
- /* save integer argument registers */
- M_IST(d, REG_SP, LA_SIZE + 4 * 8 + 4 + p * 4);
- }
- p = 4;
-#endif
- stack_off = LA_SIZE;
- for (; p < md->paramcount && p < TRACE_ARGS_NUM; p++, stack_off += 8) {
- t = md->paramtypes[p].type;
- if (IS_INT_LNG_TYPE(t)) {
- if (!md->params[p].inmemory) { /* Param in Arg Reg */
- if (IS_2_WORD_TYPE(t)) {
- M_IST(rd->argintregs[GET_HIGH_REG(md->params[p].regoff)]
- , REG_SP, stack_off);
- M_IST(rd->argintregs[GET_LOW_REG(md->params[p].regoff)]
- , REG_SP, stack_off + 4);
- } else {
- M_IST(REG_ITMP1, REG_SP, stack_off);
- M_IST(rd->argintregs[md->params[p].regoff]
- , REG_SP, stack_off + 4);
- }
- } else { /* Param on Stack */
- s1 = (md->params[p].regoff + stackframesize) * 4
- + stack_size;
- if (IS_2_WORD_TYPE(t)) {
- M_ILD(REG_ITMP2, REG_SP, s1);
- M_IST(REG_ITMP2, REG_SP, stack_off);
- M_ILD(REG_ITMP2, REG_SP, s1 + 4);
- M_IST(REG_ITMP2, REG_SP, stack_off + 4);
- } else {
- M_IST(REG_ITMP1, REG_SP, stack_off);
- M_ILD(REG_ITMP2, REG_SP, s1);
- M_IST(REG_ITMP2, REG_SP, stack_off + 4);
- }
- }
- } else { /* IS_FLT_DBL_TYPE(t) */
- if (!md->params[p].inmemory) { /* in Arg Reg */
- s1 = rd->argfltregs[md->params[p].regoff];
- if (!IS_2_WORD_TYPE(t)) {
- M_IST(REG_ITMP1, REG_SP, stack_off);
- M_FST(s1, REG_SP, stack_off + 4);
- } else {
- M_DST(s1, REG_SP, stack_off);
- }
- } else { /* on Stack */
- /* this should not happen */
- }
- }
- }
-
- /* load first 4 (==INT_ARG_CNT/2) arguments into integer registers */
-#if defined(__DARWIN__)
- for (p = 0; p < 8; p++) {
- d = rd->argintregs[p];
- M_ILD(d, REG_SP, LA_SIZE + p * 4);
- }
-#else
- /* LINUX */
- /* Set integer and float argument registers vor trace_args call */
- /* offset to saved integer argument registers */
- stack_off = LA_SIZE + 4 * 8 + 4;
- for (p = 0; (p < 4) && (p < md->paramcount); p++) {
- t = md->paramtypes[p].type;
- if (IS_INT_LNG_TYPE(t)) {
- /* "stretch" int types */
- if (!IS_2_WORD_TYPE(t)) {
- M_CLR(rd->argintregs[2 * p]);
- M_ILD(rd->argintregs[2 * p + 1], REG_SP,stack_off);
- stack_off += 4;
- } else {
- M_ILD(rd->argintregs[2 * p + 1], REG_SP,stack_off + 4);
- M_ILD(rd->argintregs[2 * p], REG_SP,stack_off);
- stack_off += 8;
- }
- } else { /* Float/Dbl */
- if (!md->params[p].inmemory) { /* Param in Arg Reg */
- /* use reserved Place on Stack (sp + 5 * 16) to copy */
- /* float/double arg reg to int reg */
- s1 = rd->argfltregs[md->params[p].regoff];
- if (!IS_2_WORD_TYPE(t)) {
- M_FST(s1, REG_SP, 5 * 16);
- M_ILD(rd->argintregs[2 * p + 1], REG_SP, 5 * 16);
- M_CLR(rd->argintregs[2 * p]);
- } else {
- M_DST(s1, REG_SP, 5 * 16);
- M_ILD(rd->argintregs[2 * p + 1], REG_SP, 5 * 16 + 4);
- M_ILD(rd->argintregs[2 * p], REG_SP, 5 * 16);
- }
- }
- }
- }
-#endif
-
- /* put methodinfo pointer on Stackframe */
- p = dseg_addaddress(cd, m);
- M_ALD(REG_ITMP1, REG_PV, p);
-#if defined(__DARWIN__)
- M_AST(REG_ITMP1, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8);
-#else
- M_AST(REG_ITMP1, REG_SP, LA_SIZE + 4 * 8);
-#endif
- p = dseg_addaddress(cd, builtin_trace_args);
- M_ALD(REG_ITMP2, REG_PV, p);
- M_MTCTR(REG_ITMP2);
- M_JSR;
-
-#if defined(__DARWIN__)
- /* restore integer argument registers from the reserved stack space */
-
- stack_off = LA_SIZE;
- for (p = 0; p < md->paramcount && p < TRACE_ARGS_NUM;
- p++, stack_off += 8) {
- t = md->paramtypes[p].type;
-
- if (IS_INT_LNG_TYPE(t)) {
- if (!md->params[p].inmemory) {
- if (IS_2_WORD_TYPE(t)) {
- M_ILD(rd->argintregs[GET_HIGH_REG(md->params[p].regoff)]
- , REG_SP, stack_off);
- M_ILD(rd->argintregs[GET_LOW_REG(md->params[p].regoff)]
- , REG_SP, stack_off + 4);
- } else {
- M_ILD(rd->argintregs[md->params[p].regoff]
- , REG_SP, stack_off + 4);
- }
- }
- }
- }
-#else
- /* LINUX */
- for (p = 0; p < 8; p++) {
- d = rd->argintregs[p];
- /* save integer argument registers */
- M_ILD(d, REG_SP, LA_SIZE + 4 * 8 + 4 + p * 4);
- }
-#endif
-
- if (!nativestub)
- M_ILD(REG_ITMP3, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8 + 1 * 4);
-
- M_LDA(REG_SP, REG_SP, stack_size);
-
- if (!nativestub)
- M_MTLR(REG_ITMP3);
-}
/*
#include "vm/jit/emit.h"
#include "vm/jit/jit.h"
#include "vm/jit/powerpc64/codegen.h"
+#include "vm/builtin.h"
/* code generation functions **************************************************/
}
}
+/* emit_verbosecall_enter ******************************************************
+ *
+ * Generates the code for the call trace.
+ *
+ ********************************************************************************/
+void emit_verbosecall_enter (jitdata *jd)
+{
+ methodinfo *m;
+ codegendata *cd;
+ registerdata *rd;
+ s4 s1, p, t, d;
+ int stack_off;
+ int stack_size;
+ methoddesc *md;
+
+ /* get required compiler data */
+
+ m = jd->m;
+ cd = jd->cd;
+ rd = jd->rd;
+
+ md = m->parseddesc;
+
+ /* Build up Stackframe for builtin_trace_args call (a multiple of 16) */
+ /* For Darwin: */
+ /* TODO */
+ /* For Linux: */
+ /* setup stack for TRACE_ARGS_NUM registers */
+ /* == LA_SIZE + PA_SIZE + 8 (methodinfo argument) + TRACE_ARGS_NUM*8 + 8 (itmp1) */
+
+ /* in nativestubs no Place to save the LR (Link Register) would be needed */
+ /* but since the stack frame has to be aligned the 4 Bytes would have to */
+ /* be padded again */
+
+#if defined(__DARWIN__)
+ stack_size = LA_SIZE + (TRACE_ARGS_NUM + 1) * 8;
+#else
+ stack_size = LA_SIZE + PA_SIZE + 8 + TRACE_ARGS_NUM * 8 + 8;
+#endif
+
+ /* mark trace code */
+ M_NOP;
+
+ /* save up to TRACE_ARGS_NUM arguments into the reserved stack space */
+#if 0
+#if defined(__DARWIN__)
+ /* Copy Params starting from first to Stack */
+ /* since TRACE_ARGS == INT_ARG_CNT all used integer argument regs */
+ /* are saved */
+ p = 0;
+#else
+ /* Copy Params starting from fifth to Stack (INT_ARG_CNT/2) are in */
+ /* integer argument regs */
+ /* all integer argument registers have to be saved */
+ for (p = 0; p < 8; p++) {
+ d = rd->argintregs[p];
+ /* save integer argument registers */
+ M_LST(d, REG_SP, LA_SIZE + PA_SIZE + 4 * 8 + 8 + p * 8);
+ }
+ p = 4;
+#endif
+#endif
+ M_MFLR(REG_ZERO);
+ M_AST(REG_ZERO, REG_SP, LA_LR_OFFSET);
+ M_STDU(REG_SP, REG_SP, -stack_size);
+ stack_off = LA_SIZE + PA_SIZE;
+ for (p = 0; p < md->paramcount && p < TRACE_ARGS_NUM; p++, stack_off += 8) {
+ t = md->paramtypes[p].type;
+ if (IS_INT_LNG_TYPE(t)) {
+ if (!md->params[p].inmemory) { /* Param in Arg Reg */
+ M_LST(rd->argintregs[md->params[p].regoff], REG_SP, stack_off);
+ } else { /* Param on Stack */
+ s1 = (md->params[p].regoff + cd->stackframesize) * 8 + stack_size;
+ M_LLD(REG_ITMP2, REG_SP, s1);
+ M_LST(REG_ITMP2, REG_SP, stack_off);
+ }
+ } else { /* IS_FLT_DBL_TYPE(t) */
+ if (!md->params[p].inmemory) { /* in Arg Reg */
+ s1 = rd->argfltregs[md->params[p].regoff];
+ M_DST(s1, REG_SP, stack_off);
+ } else { /* on Stack */
+ /* this should not happen */
+ assert(0);
+ }
+ }
+ }
+
+ /* load first 4 (==INT_ARG_CNT/2) arguments into integer registers */
+#if defined(__DARWIN__)
+ for (p = 0; p < 8; p++) {
+ d = rd->argintregs[p];
+ M_ILD(d, REG_SP, LA_SIZE + p * 4);
+ }
+#else
+ /* LINUX */
+ /* Set integer and float argument registers for trace_args call */
+ /* offset to saved integer argument registers */
+ stack_off = LA_SIZE + PA_SIZE;
+ for (p = 0; (p < TRACE_ARGS_NUM) && (p < md->paramcount); p++, stack_off += 8) {
+ t = md->paramtypes[p].type;
+ if (IS_INT_LNG_TYPE(t)) {
+ M_LLD(rd->argintregs[p], REG_SP,stack_off);
+ } else { /* Float/Dbl */
+ if (!md->params[p].inmemory) { /* Param in Arg Reg */
+ /* use reserved Place on Stack (sp + 5 * 16) to copy */
+ /* float/double arg reg to int reg */
+ s1 = rd->argfltregs[md->params[p].regoff];
+ M_MOV(s1, rd->argintregs[p]);
+ } else {
+ assert(0);
+ }
+ }
+ }
+#endif
+
+ /* put methodinfo pointer on Stackframe */
+ p = dseg_addaddress(cd, m);
+ M_ALD(REG_ITMP1, REG_PV, p);
+#if defined(__DARWIN__)
+ M_AST(REG_ITMP1, REG_SP, LA_SIZE + TRACE_ARGS_NUM * 8);
+#else
+ if (TRACE_ARGS_NUM == 8) {
+ /* need to pass via stack */
+ M_AST(REG_ITMP1, REG_SP, LA_SIZE + PA_SIZE);
+ } else {
+ /* pass via register, reg 3 is the first */
+ M_MOV(REG_ITMP1, 3 + TRACE_ARGS_NUM);
+ }
+#endif
+ /* call via function descriptor */
+ /* XXX: what about TOC? */
+ p = dseg_addaddress(cd, builtin_trace_args);
+ M_ALD(REG_ITMP2, REG_PV, p);
+ M_ALD(REG_ITMP1, REG_ITMP2, 0);
+ M_MTCTR(REG_ITMP1);
+ M_JSR;
+
+#if defined(__DARWIN__)
+ /* restore integer argument registers from the reserved stack space */
+
+ stack_off = LA_SIZE;
+ for (p = 0; p < md->paramcount && p < TRACE_ARGS_NUM; p++, stack_off += 8) {
+ t = md->paramtypes[p].type;
+
+ if (IS_INT_LNG_TYPE(t)) {
+ if (!md->params[p].inmemory) {
+ M_LLD(rd->argintregs[md->params[p].regoff], REG_SP, stack_off);
+ } else {
+ assert(0);
+ }
+ }
+ }
+#else
+ /* LINUX */
+ for (p = 0; p < md->paramcount && p < TRACE_ARGS_NUM; p++) {
+ d = rd->argintregs[p];
+ /* restore integer argument registers */
+ M_LLD(d, REG_SP, LA_SIZE + PA_SIZE + p * 8);
+ }
+#endif
+ M_ALD(REG_ZERO, REG_SP, stack_size + LA_LR_OFFSET);
+ M_MTLR(REG_ZERO);
+ M_LDA(REG_SP, REG_SP, stack_size);
+}
+
+/* emit_verbosecall_exit ******************************************************
+ *
+ * Generates the code for the call trace.
+ *
+ ********************************************************************************/
+void emit_verbosecall_exit(jitdata *jd)
+{
+ codegendata *cd = jd->cd;
+ s4 disp;
+
+ M_MFLR(REG_ZERO);
+ M_LDA(REG_SP, REG_SP, -(LA_SIZE+PA_SIZE+10*8));
+ M_DST(REG_FRESULT, REG_SP, LA_SIZE+PA_SIZE+0*8);
+ M_LST(REG_RESULT, REG_SP, LA_SIZE+PA_SIZE+1*8);
+ M_AST(REG_ZERO, REG_SP, LA_SIZE+PA_SIZE+2*8);
+
+#if defined(__DARWIN__)
+ M_MOV(REG_RESULT, jd->rd->argintregs[1]);
+#else
+ M_MOV(REG_RESULT, jd->rd->argintregs[1]);
+#endif
+
+ disp = dseg_addaddress(cd, jd->m);
+ M_ALD(jd->rd->argintregs[0], REG_PV, disp);
+
+ M_FLTMOVE(REG_FRESULT, jd->rd->argfltregs[0]);
+ M_FLTMOVE(REG_FRESULT, jd->rd->argfltregs[1]);
+ disp = dseg_addaddress(cd, builtin_displaymethodstop);
+ /* call via function descriptor, XXX: what about TOC ? */
+ M_ALD(REG_ITMP2, REG_PV, disp);
+ M_ALD(REG_ITMP2, REG_ITMP2, 0);
+ M_MTCTR(REG_ITMP2);
+ M_JSR;
+
+ M_DLD(REG_FRESULT, REG_SP, LA_SIZE+PA_SIZE+0*8);
+ M_LLD(REG_RESULT, REG_SP, LA_SIZE+PA_SIZE+1*8);
+ M_ALD(REG_ZERO, REG_SP, LA_SIZE+PA_SIZE+2*8);
+ M_LDA(REG_SP, REG_SP, LA_SIZE+PA_SIZE+10*8);
+ M_MTLR(REG_ZERO);
+}
+
+
/*
* These are local overrides for various environment variables in Emacs.
projects / cacao.git / commitdiff