/* D e f i n e s */
/*------------------------------------------------------------------*/
-#define EMIT_COND_BRANCH(ins,cond) \
-{ \
-if (ins->flags & MONO_INST_BRLABEL) { \
- if (ins->inst_i0->inst_c0) { \
- int displace; \
- displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, cond, displace); \
- } else { \
- s390_jcl (code, cond, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_LABEL, ins->inst_i0); \
- s390_jcl (code, cond, 0); \
- } \
-} else { \
- if (ins->inst_true_bb->native_offset) { \
- int displace; \
- displace = ((cfg->native_code + \
- ins->inst_true_bb->native_offset) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, cond, displace); \
- } else { \
- s390_jcl (code, cond, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_BB, ins->inst_true_bb); \
- s390_jcl (code, cond, 0); \
- } \
-} \
+#define MAX_ARCH_DELEGATE_PARAMS 7
+
+#define EMIT_COND_BRANCH(ins,cond) \
+{ \
+if (ins->inst_true_bb->native_offset) { \
+ int displace; \
+ displace = ((cfg->native_code + \
+ ins->inst_true_bb->native_offset) - code) / 2; \
+ if (s390_is_imm16(displace)) { \
+ s390_brc (code, cond, displace); \
+ } else { \
+ s390_jcl (code, cond, displace); \
+ } \
+} else { \
+ mono_add_patch_info (cfg, code - cfg->native_code, \
+ MONO_PATCH_INFO_BB, ins->inst_true_bb); \
+ s390_jcl (code, cond, 0); \
+} \
}
-#define EMIT_UNCOND_BRANCH(ins) \
-{ \
-if (ins->flags & MONO_INST_BRLABEL) { \
- if (ins->inst_i0->inst_c0) { \
- int displace; \
- displace = ((cfg->native_code + ins->inst_i0->inst_c0) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, S390_CC_UN, displace); \
- } else { \
- s390_jcl (code, S390_CC_UN, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_LABEL, ins->inst_i0); \
- s390_jcl (code, S390_CC_UN, 0); \
- } \
-} else { \
- if (ins->inst_target_bb->native_offset) { \
- int displace; \
- displace = ((cfg->native_code + \
- ins->inst_target_bb->native_offset) - code) / 2; \
- if (s390_is_imm16(displace)) { \
- s390_brc (code, S390_CC_UN, displace); \
- } else { \
- s390_jcl (code, S390_CC_UN, displace); \
- } \
- } else { \
- mono_add_patch_info (cfg, code - cfg->native_code, \
- MONO_PATCH_INFO_BB, ins->inst_target_bb); \
- s390_jcl (code, S390_CC_UN, 0); \
- } \
-} \
+#define EMIT_UNCOND_BRANCH(ins) \
+{ \
+if (ins->inst_target_bb->native_offset) { \
+ int displace; \
+ displace = ((cfg->native_code + \
+ ins->inst_target_bb->native_offset) - code) / 2; \
+ if (s390_is_imm16(displace)) { \
+ s390_brc (code, S390_CC_UN, displace); \
+ } else { \
+ s390_jcl (code, S390_CC_UN, displace); \
+ } \
+} else { \
+ mono_add_patch_info (cfg, code - cfg->native_code, \
+ MONO_PATCH_INFO_BB, ins->inst_target_bb); \
+ s390_jcl (code, S390_CC_UN, 0); \
+} \
}
#define EMIT_COND_SYSTEM_EXCEPTION(cond,exc_name) \
#define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
MonoInst *inst; \
- int tmpr = 0; \
int sReg, dReg; \
- MONO_INST_NEW (cfg, inst, OP_NOP); \
+ MONO_INST_NEW (cfg, inst, OP_NOP); \
if (size > 256) { \
- tmpr = mono_alloc_preg (cfg); \
- MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
inst->dreg = dest; \
inst->inst_offset = offset; \
inst->sreg1 = src; \
inst->inst_imm = imm; \
- inst->sreg2 = tmpr; \
} else { \
if (s390_is_uimm12(offset)) { \
inst->dreg = dest; \
inst->inst_offset = offset; \
} else { \
- dReg = mono_alloc_preg (cfg); \
+ dReg = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
dReg, dest, offset); \
inst->dreg = dReg; \
inst->sreg1 = src; \
inst->inst_imm = imm; \
} else { \
- sReg = mono_alloc_preg (cfg); \
+ sReg = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
sReg, src, imm); \
inst->sreg1 = sReg; \
inst->inst_imm = 0; \
} \
} \
- inst->opcode = OP_S390_MOVE; \
- inst->backend.size = size; \
- MONO_ADD_INS (cfg->cbb, inst); \
+ inst->opcode = OP_S390_MOVE; \
+ inst->backend.size = size; \
+ MONO_ADD_INS (cfg->cbb, inst); \
} while (0)
#define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
reg, sr, so); \
break; \
} \
- mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
+ mono_call_inst_add_outarg_reg(cfg, call, reg, dr, FALSE); \
} while (0)
#define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
dr, dx, tmpr); \
break; \
case 2: \
- tmpr = mono_alloc_preg (cfg); \
+ tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
tmpr, sr, so); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
dr, dx, tmpr); \
break; \
case 4: \
- tmpr = mono_alloc_preg (cfg); \
+ tmpr = mono_alloc_preg (cfg); \
MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
tmpr, sr, so); \
MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
#define MAX(a, b) ((a) > (b) ? (a) : (b))
+/*
+ * imt thunking size values
+ */
+#define CMP_SIZE 24
+#define LOADCON_SIZE 20
+#define LOAD_SIZE 6
+#define BR_SIZE 2
+#define JUMP_SIZE 6
+#define ENABLE_WRONG_METHOD_CHECK 0
+
/*========================= End of Defines =========================*/
/*------------------------------------------------------------------*/
RegTypeFPR4,
RegTypeStructByVal,
RegTypeStructByValInFP,
- RegTypeStructByAddr
+ RegTypeStructByAddr,
+ RegTypeStructByAddrOnStack
} ArgStorage;
typedef struct {
ArgInfo ret;
ArgInfo sigCookie;
size_data sz;
+ int vret_arg_index;
ArgInfo args [1];
} CallInfo;
gpointer mono_arch_get_lmf_addr (void);
static guint8 * emit_load_volatile_arguments (guint8 *, MonoCompile *);
static void catch_SIGILL(int, siginfo_t *, void *);
-static void emit_sig_cookie (MonoCompile *, MonoCallInst *, CallInfo *, int);
+static __inline__ void emit_unwind_regs(MonoCompile *, guint8 *, int, int, long);
/*========================= End of Prototypes ======================*/
gboolean lmf_addr_key_inited = FALSE;
+facilityList_t facs;
+
#if 0
extern __thread MonoDomain *tls_appdomain;
for (k = 0; k < param_count; k++) {
if (csig->pinvoke)
- size = mono_type_native_stack_size (csig->params [k], &align);
+ size = mono_type_native_stack_size (csig->params [k], (guint32 *) &align);
else
size = mini_type_stack_size (NULL, csig->params [k], &align);
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - emit_unwind_regs. */
+/* */
+/* Function - Determines if a value can be returned in one or */
+/* two registers. */
+/* */
+/*------------------------------------------------------------------*/
+
+static void __inline__
+emit_unwind_regs(MonoCompile *cfg, guint8 *code, int start, int end, long offset)
+{
+ int i;
+
+ for (i = start; i < end; i++) {
+ mono_emit_unwind_op_offset (cfg, code, i, offset);
+ offset += sizeof(gulong);
+ }
+}
+
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - retFitsInReg. */
{
int stackSize = cfg->stack_usage;
+ if (cfg->frame_reg != STK_BASE)
+ s390_lgr (code, STK_BASE, cfg->frame_reg);
+
if (s390_is_imm16 (stackSize)) {
s390_aghi (code, STK_BASE, stackSize);
} else {
MonoMarshalType *info;
if (type->data.klass->enumtype) {
- simpleType = type->data.klass->enum_basetype->type;
+ simpleType = mono_class_enum_basetype (type->data.klass)->type;
printf("{VALUETYPE} - ");
goto enum_parmtype;
}
case MONO_TYPE_VALUETYPE: {
MonoMarshalType *info;
if (type->data.klass->enumtype) {
- type = type->data.klass->enum_basetype;
+ type = mono_class_enum_basetype (type->data.klass);
goto handle_enum;
} else {
- guint8 *p = va_arg (ap, gpointer);
- int j, size, align;
+ int size, align;
info = mono_marshal_load_type_info (type->data.klass);
size = mono_type_size (type, &align);
switch (size) {
- case 1:
- case 2:
- case 4:
- case 8:
- printf ("[");
- for (j = 0; p && j < size; j++)
- printf ("%02x,", p [j]);
- printf ("]\n");
- break;
- default:
- printf ("[VALUETYPE]\n");
+ case 1: {
+ guint32 p = va_arg (ap, guint32);
+ printf ("[%02x]\n",p);
+ break;
+ }
+ case 2: {
+ guint32 p = va_arg (ap, guint32);
+ printf ("[%04x]\n",p);
+ break;
+ }
+ case 4: {
+ guint32 p = va_arg (ap, guint32);
+ printf ("[%08x]\n",p);
+ break;
+ }
+ case 8: {
+ guint64 p = va_arg (ap, guint64);
+ printf ("[%016lx]\n",p);
+ break;
+ }
+ default: {
+ gpointer p = va_arg (ap, gpointer);
+ printf ("[VALUETYPE] %p\n",p);
+ }
}
}
break;
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_init. */
+/* */
+/* Function - Initialize architecture specific code. */
+/* */
+/*------------------------------------------------------------------*/
-/*
- * Initialize architecture specific code.
- */
void
mono_arch_init (void)
{
+#if 0
+ /*
+ * When we do an architectural level set at z9 or better
+ * we can use the STFLE instruction to show us
+ * what hardware facilities are available
+ */
+ int lFacility = sizeof(facs) % 8;
+
+ memset((char *) &facs, 0, sizeof(facs));
+
+ __asm__ (" lgfr 0,%1\n"
+ " stfle %0\n"
+ : "=m" (facs) : "r" (lFacility) : "0", "cc");
+#endif
+
}
-/*
- * Cleanup architecture specific code.
- */
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_cleanup. */
+/* */
+/* Function - Cleanup architecture specific code . */
+/* */
+/*------------------------------------------------------------------*/
+
void
mono_arch_cleanup (void)
{
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_cpu_optimizazions */
return FALSE;
case MONO_TYPE_VALUETYPE:
if (t->data.klass->enumtype)
- return is_regsize_var (t->data.klass->enum_basetype);
+ return is_regsize_var (mono_class_enum_basetype (t->data.klass));
return FALSE;
}
return FALSE;
MonoMethodHeader *header;
int i, top = 13;
- header = mono_method_get_header (cfg->method);
+ header = cfg->header;
if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
cfg->frame_reg = s390_r11;
sz->stack_size = S390_ALIGN(sz->stack_size, sizeof(long));
ainfo->reg = STK_BASE;
ainfo->offset = sz->stack_size;
+ ainfo->regtype = RegTypeStructByAddrOnStack;
sz->stack_size += sizeof (gpointer);
sz->parm_size += sizeof(gpointer);
sz->offStruct += sizeof(gpointer);
} else {
ainfo->reg = *gr;
ainfo->offset = sz->stack_size;
+ ainfo->regtype = RegTypeStructByAddr;
}
(*gr) ++;
ainfo->offparm = sz->offset;
sz->offset = S390_ALIGN(sz->offset+size, sizeof(long));
ainfo->size = size;
- ainfo->regtype = RegTypeStructByAddr;
ainfo->vtsize = size;
sz->parm_size += size;
}
/*------------------------------------------------------------------*/
/* */
-/* Name - get_call_info */
+/* Name - get_call_info */
/* */
/* Function - Determine the amount of space required for code */
/* and stack. In addition determine starting points */
static CallInfo *
get_call_info (MonoCompile *cfg, MonoMemPool *mp, MonoMethodSignature *sig, gboolean is_pinvoke)
{
- guint i, fr, gr, size;
+ guint i, fr, gr, size, pstart;
int nParm = sig->hasthis + sig->param_count;
MonoType *ret_type;
guint32 simpletype, align;
case MONO_TYPE_VALUETYPE: {
MonoClass *klass = mono_class_from_mono_type (sig->ret);
if (klass->enumtype) {
- simpletype = klass->enum_basetype->type;
+ simpletype = mono_class_enum_basetype (klass)->type;
goto enum_retvalue;
}
if (sig->pinvoke)
else
size = mono_class_value_size (klass, &align);
- cinfo->ret.reg = s390_r2;
cinfo->struct_ret = 1;
cinfo->ret.size = size;
cinfo->ret.vtsize = size;
- gr++;
break;
}
case MONO_TYPE_TYPEDBYREF:
size = sizeof (MonoTypedRef);
- cinfo->ret.reg = s390_r2;
cinfo->struct_ret = 1;
cinfo->ret.size = size;
cinfo->ret.vtsize = size;
- gr++;
break;
case MONO_TYPE_VOID:
break;
g_error ("Can't handle as return value 0x%x", sig->ret->type);
}
- if (sig->hasthis) {
- cinfo->args[nParm].size = sizeof(gpointer);
- add_general (&gr, sz, cinfo->args+nParm);
- nParm++;
+
+ pstart = 0;
+ /*
+ * To simplify get_this_arg_reg () and LLVM integration, emit the vret arg after
+ * the first argument, allowing 'this' to be always passed in the first arg reg.
+ * Also do this if the first argument is a reference type, since virtual calls
+ * are sometimes made using calli without sig->hasthis set, like in the delegate
+ * invoke wrappers.
+ */
+ if (cinfo->struct_ret && !is_pinvoke &&
+ (sig->hasthis ||
+ (sig->param_count > 0 &&
+ MONO_TYPE_IS_REFERENCE (mini_type_get_underlying_type (gsctx, sig->params [0]))))) {
+ if (sig->hasthis) {
+ cinfo->args[nParm].size = sizeof (gpointer);
+ add_general (&gr, sz, cinfo->args + nParm);
+ } else {
+ cinfo->args[nParm].size = sizeof (gpointer);
+ add_general (&gr, sz, &cinfo->args [sig->hasthis + nParm]);
+ pstart = 1;
+ }
+ nParm ++;
+ cinfo->vret_arg_index = 1;
+ cinfo->ret.reg = gr;
+ gr ++;
+ } else {
+ /* this */
+ if (sig->hasthis) {
+ cinfo->args[nParm].size = sizeof (gpointer);
+ add_general (&gr, sz, cinfo->args + nParm);
+ nParm ++;
+ }
+
+ if (cinfo->struct_ret) {
+ cinfo->ret.reg = gr;
+ gr ++;
+ }
+ }
+
+ if ((sig->call_convention == MONO_CALL_VARARG) && (sig->param_count == 0)) {
+ gr = S390_LAST_ARG_REG + 1;
+
+ /* Emit the signature cookie just before the implicit arguments */
+ add_general (&gr, sz, &cinfo->sigCookie);
}
/*----------------------------------------------------------*/
/* parameters. */
/*----------------------------------------------------------*/
- for (i = 0; i < sig->param_count; ++i) {
+ for (i = pstart; i < sig->param_count; ++i) {
MonoType *ptype;
/*--------------------------------------------------*/
/* Handle the case where there are no implicit arguments */
/*----------------------------------------------------------*/
if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (nParm > 0) &&
+ (!sig->pinvoke) &&
(sig->param_count == sig->sentinelpos)) {
gr = S390_LAST_ARG_REG + 1;
add_general (&gr, sz, &cinfo->sigCookie);
MonoMethodHeader *header;
MonoInst *inst;
CallInfo *cinfo;
- int iParm, iVar, offset, size, align, curinst;
+ int iParm, iVar, offset, align, size, curinst;
int frame_reg = STK_BASE;
int sArg, eArg;
- header = mono_method_get_header (cfg->method);
+ header = cfg->header;
cfg->flags |= MONO_CFG_HAS_SPILLUP;
/* to point at the local variables. */
/* add parameter area size for called functions */
/*--------------------------------------------------------------*/
- offset = (cfg->param_area + S390_MINIMAL_STACK_SIZE);
+ if (cfg->param_area == 0)
+ offset = S390_MINIMAL_STACK_SIZE;
+ else
+ offset = cfg->param_area;
+
cfg->sig_cookie = 0;
if (cinfo->struct_ret) {
size = sizeof (gpointer);
- inst->opcode = OP_REGOFFSET;
+ inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
- offset = S390_ALIGN (offset, sizeof (gpointer));
- inst->inst_offset = offset;
+ offset = S390_ALIGN (offset, sizeof (gpointer));
+ inst->inst_offset = offset;
+
+ /* Add a level of indirection */
+ MONO_INST_NEW (cfg, indir, 0);
+ *indir = *inst;
+ inst->opcode = OP_VTARG_ADDR;
+ inst->inst_left = indir;
+ }
+ break;
+ case RegTypeStructByAddrOnStack : {
+ MonoInst *indir;
+
+ size = sizeof (gpointer);
+
+ /* Similar to the == STK_BASE case below */
+ cfg->arch.bkchain_reg = s390_r12;
+ cfg->used_int_regs |= 1 << cfg->arch.bkchain_reg;
+
+ inst->opcode = OP_REGOFFSET;
+ inst->dreg = mono_alloc_preg (cfg);
+ inst->inst_basereg = cfg->arch.bkchain_reg;
+ inst->inst_offset = cinfo->args [iParm].offset;
/* Add a level of indirection */
MONO_INST_NEW (cfg, indir, 0);
*indir = *inst;
inst->opcode = OP_VTARG_ADDR;
inst->inst_left = indir;
- }
break;
+ }
case RegTypeStructByVal :
size = cinfo->args[iParm].size;
offset = S390_ALIGN(offset, size);
- inst->opcode = OP_REGOFFSET;
+ inst->opcode = OP_REGOFFSET;
inst->inst_basereg = frame_reg;
- inst->inst_offset = offset;
+ inst->inst_offset = offset;
break;
default :
if (cinfo->args [iParm].reg == STK_BASE) {
? sizeof(int)
: sizeof(long));
offset = S390_ALIGN(offset, size);
- inst->inst_offset = offset;
+ if (cfg->method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE)
+ inst->inst_offset = offset;
+ else
+ inst->inst_offset = offset + (8 - size);
}
break;
}
(iParm < sig->sentinelpos))
cfg->sig_cookie += size;
- offset += size;
+ offset += MAX(size, 8);
}
curinst++;
}
continue;
/*--------------------------------------------------*/
- /* inst->backend.is_pinvoke indicates native sized value types, */
- /* this is used by the pinvoke wrappers when they */
- /* call functions returning structure */
+ /* inst->backend.is_pinvoke indicates native sized */
+ /* value typs this is used by the pinvoke wrappers */
+ /* when they call functions returning structure */
/*--------------------------------------------------*/
if (inst->backend.is_pinvoke && MONO_TYPE_ISSTRUCT (inst->inst_vtype))
- size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype), &align);
+ size = mono_class_native_size (mono_class_from_mono_type(inst->inst_vtype),
+ (guint32 *) &align);
else
size = mono_type_size (inst->inst_vtype, &align);
/*------------------------------------------------------*/
cfg->stack_offset = S390_ALIGN(offset, S390_STACK_ALIGNMENT);
+ /*------------------------------------------------------*/
+ /* Fix offsets for args whose value is in parent frame */
+ /*------------------------------------------------------*/
+ for (iParm = sArg; iParm < eArg; ++iParm) {
+ inst = cfg->args [iParm];
+
+ if (inst->opcode == OP_S390_STKARG) {
+ inst->opcode = OP_REGOFFSET;
+ inst->inst_offset += cfg->stack_offset;
+ }
+ }
}
/*========================= End of Function ========================*/
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_create_vars */
+/* Name - mono_arch_create_vars */
+/* */
/*------------------------------------------------------------------*/
void
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - add_outarg_reg2. */
+/* */
+/*------------------------------------------------------------------*/
+
static void
add_outarg_reg2 (MonoCompile *cfg, MonoCallInst *call, ArgStorage storage, int reg, MonoInst *tree)
{
}
}
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - emit_sig_cookie. */
+/* */
+/*------------------------------------------------------------------*/
+
static void
emit_sig_cookie (MonoCompile *cfg, MonoCallInst *call, CallInfo *cinfo)
{
MONO_ADD_INS (cfg->cbb, sig_arg);
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG, STK_BASE,
- cinfo->sigCookie.offset, sig_arg->dreg);
+ cinfo->sigCookie.offset, sig_arg->dreg);
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_call */
+/* Name - mono_arch_emit_call */
/* */
/*------------------------------------------------------------------*/
int i, n, lParamArea;
CallInfo *cinfo;
ArgInfo *ainfo = NULL;
- int stackSize;
+ int stackSize;
+ MonoMethodHeader *header;
+ int frmReg;
sig = call->signature;
n = sig->param_count + sig->hasthis;
cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
- stackSize = cinfo->sz.stack_size + cinfo->sz.local_size + cinfo->sz.parm_size + cinfo->sz.offset;
+ stackSize = cinfo->sz.stack_size + cinfo->sz.local_size +
+ cinfo->sz.parm_size + cinfo->sz.offset;
call->stack_usage = MAX(stackSize, call->stack_usage);
lParamArea = MAX((call->stack_usage-S390_MINIMAL_STACK_SIZE-cinfo->sz.parm_size), 0);
cfg->param_area = MAX(((signed) cfg->param_area), lParamArea);
mono_call_inst_add_outarg_reg (cfg, call, ins->dreg, cinfo->ret.reg, FALSE);
}
+ header = cfg->header;
+ if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
+ frmReg = s390_r11;
+ else
+ frmReg = STK_BASE;
+
for (i = 0; i < n; ++i) {
- ainfo = cinfo->args + i;
MonoType *t;
+ ainfo = cinfo->args + i;
if (i >= sig->hasthis)
t = sig->params [i - sig->hasthis];
else
in = call->args [i];
if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (!sig->pinvoke) &&
(i == sig->sentinelpos)) {
emit_sig_cookie (cfg, call, cinfo);
}
break;
}
case RegTypeStructByVal:
- case RegTypeStructByAddr: {
+ case RegTypeStructByAddr:
+ case RegTypeStructByAddrOnStack: {
guint32 align;
guint32 size;
*/
int treg = mono_alloc_preg (cfg);
MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
- STK_BASE, ainfo->offparm);
+ frmReg, ainfo->offparm);
mono_call_inst_add_outarg_reg (cfg, call, treg, ainfo->reg, FALSE);
+ } else if (ainfo->regtype == RegTypeStructByAddrOnStack) {
+ /* The address of the valuetype is passed on the stack */
+ int treg = mono_alloc_preg (cfg);
+ MONO_EMIT_NEW_BIALU_IMM (cfg, OP_ADD_IMM, treg,
+ frmReg, ainfo->offparm);
+ MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORE_MEMBASE_REG,
+ ainfo->reg, ainfo->offset, treg);
}
break;
}
case RegTypeBase:
if (!t->byref && t->type == MONO_TYPE_R4) {
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER4_MEMBASE_REG,
- STK_BASE, ainfo->offset + 4,
- in->dreg);
+ STK_BASE, ainfo->offset + 4,
+ in->dreg);
} else if (!t->byref && (t->type == MONO_TYPE_R8)) {
MONO_EMIT_NEW_STORE_MEMBASE (cfg, OP_STORER8_MEMBASE_REG,
- STK_BASE, ainfo->offset,
- in->dreg);
+ STK_BASE, ainfo->offset,
+ in->dreg);
} else {
MONO_INST_NEW (cfg, ins, OP_STORE_MEMBASE_REG);
ins->inst_destbasereg = STK_BASE;
ins->inst_offset = ainfo->offset;
ins->sreg1 = in->dreg;
+#if 0
/* This is needed by MonoTypedRef->value to point to the correct data */
if ((sig->call_convention == MONO_CALL_VARARG) &&
(i >= sig->sentinelpos)) {
break;
}
}
+#endif
MONO_ADD_INS (cfg->cbb, ins);
}
* Handle the case where there are no implicit arguments
*/
if ((sig->call_convention == MONO_CALL_VARARG) &&
+ (!sig->pinvoke) &&
(i == sig->sentinelpos)) {
emit_sig_cookie (cfg, call, cinfo);
}
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_outarg_vt */
+/* Name - mono_arch_emit_outarg_vt */
/* */
/*------------------------------------------------------------------*/
mono_call_inst_add_outarg_reg (cfg, call, dreg, ainfo->reg, TRUE);
} else {
- MONO_EMIT_NEW_MOVE (cfg, STK_BASE, ainfo->offparm,
+ MonoMethodHeader *header;
+ int srcReg;
+
+ header = mono_method_get_header (cfg->method);
+ if ((cfg->flags & MONO_CFG_HAS_ALLOCA) || header->num_clauses)
+ srcReg = s390_r11;
+ else
+ srcReg = STK_BASE;
+
+ MONO_EMIT_NEW_MOVE (cfg, srcReg, ainfo->offparm,
src->dreg, 0, size);
}
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_emit_setret */
+/* Name - mono_arch_emit_setret */
/* */
/*------------------------------------------------------------------*/
/*------------------------------------------------------------------*/
void*
-mono_arch_instrument_epilog (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments)
+mono_arch_instrument_epilog_full (MonoCompile *cfg, void *func, void *p, gboolean enable_arguments, gboolean preserve_argument_registers)
{
guchar *code = p;
int save_mode = SAVE_NONE,
break;
case MONO_TYPE_VALUETYPE:
if (mono_method_signature (method)->ret->data.klass->enumtype) {
- rtype = mono_method_signature (method)->ret->data.klass->enum_basetype->type;
+ rtype = mono_class_enum_basetype (mono_method_signature (method)->ret->data.klass)->type;
goto handle_enum;
}
save_mode = SAVE_STRUCT;
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_peephole_pass_1 */
+/* */
+/* Function - Form a peephole pass at the code looking for */
+/* simple optimizations. */
+/* */
+/*------------------------------------------------------------------*/
+
void
mono_arch_peephole_pass_1 (MonoCompile *cfg, MonoBasicBlock *bb)
{
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
-/* Name - mono_arch_peephole_pass */
+/* Name - mono_arch_peephole_pass_2 */
/* */
/* Function - Form a peephole pass at the code looking for */
/* simple optimizations. */
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_lowering_pass. */
+/* */
+/*------------------------------------------------------------------*/
+
void
mono_arch_lowering_pass (MonoCompile *cfg, MonoBasicBlock *bb)
{
{
/* sreg is a float, dreg is an integer reg. */
if (is_signed) {
- s390_cfdbr (code, dreg, 5, sreg);
+ s390_cgdbr (code, dreg, 5, sreg);
switch (size) {
case 1:
s390_lghi (code, s390_r0, 0);
short *o[1];
s390_basr (code, s390_r13, 0);
s390_j (code, 10);
- s390_llong (code, 0x41e0000000000000);
- s390_llong (code, 0x41f0000000000000);
+ s390_llong (code, 0x41e0000000000000llu);
+ s390_llong (code, 0x41f0000000000000llu);
s390_ldr (code, s390_f15, sreg);
s390_cdb (code, s390_f15, 0, s390_r13, 4);
s390_jl (code, 0); CODEPTR (code, o[0]);
/*========================= End of Function ========================*/
-static gboolean is_unsigned (MonoInst *next)
+/*------------------------------------------------------------------*/
+/* */
+/* Name - gboolean_is_unsigned. */
+/* */
+/* Function - Return TRUE if next opcode is checking for un- */
+/* signed value. */
+/* */
+/*------------------------------------------------------------------*/
+
+static
+gboolean is_unsigned (MonoInst *next)
{
if ((next) &&
(((next->opcode >= OP_IBNE_UN) &&
return FALSE;
}
+/*========================= End of Function ========================*/
+
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_output_basic_block */
}
break;
case OP_LCONV_TO_I1: {
- s390_lghi (code, s390_r0, 0x80);
- if (ins->dreg != ins->sreg1) {
- s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, s390_r0, ins->sreg1);
- s390_jz (code, 9);
- s390_lghi (code, s390_r13, -1);
- s390_sllg (code, s390_r13, s390_r13, 0, 8);
- s390_ogr (code, ins->dreg, s390_r13);
+#if 0
+ s390_lgbr (code, ins->dreg, ins->sreg1);
+#else
+ s390_sllg (code, ins->dreg, ins->sreg1, 0, 56);
+ s390_srag (code, ins->dreg, ins->dreg, 0, 56);
+#endif
}
break;
case OP_LCONV_TO_I2: {
- s390_lghi (code, s390_r0, 0x80);
- s390_sllg (code, s390_r0, s390_r0, 0, 8);
- if (ins->dreg != ins->sreg1) {
- s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, s390_r0, ins->sreg1);
- s390_jz (code, 9);
- s390_lghi (code, s390_r13, -1);
- s390_sllg (code, s390_r13, s390_r13, 0, 16);
- s390_ogr (code, ins->dreg, s390_r13);
+#if 0
+ s390_lghr (code, ins->dreg, ins->sreg1);
+#else
+ s390_sllg (code, ins->dreg, ins->sreg1, 0, 48);
+ s390_srag (code, ins->dreg, ins->dreg, 0, 48);
+#endif
}
break;
case OP_LCONV_TO_U1: {
- s390_lghi (code, s390_r0, 0xff);
- if (ins->dreg != ins->sreg1) {
+#if 0
+ s390_llghr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, ins->dreg, s390_r0);
+ s390_lghi (code, s390_r0, 0xff);
+ s390_ngr (code, ins->dreg, s390_r0);
+#endif
}
break;
case OP_LCONV_TO_U2: {
- s390_lghi (code, s390_r0, -1);
- s390_sllg (code, s390_r0, s390_r0, 0, 16);
- s390_srlg (code, s390_r0, s390_r0, 0, 16);
- if (ins->dreg != ins->sreg1) {
+#if 0
+ s390_llghr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
s390_lgr (code, ins->dreg, ins->sreg1);
- }
- s390_ngr (code, ins->dreg, s390_r0);
+ s390_lghi (code, s390_r0, -1);
+ s390_srlg (code, s390_r0, s390_r0, 0, 48);
+ s390_ngr (code, ins->dreg, s390_r0);
+#endif
}
break;
case OP_ICONV_TO_I1: {
- s390_lhi (code, s390_r0, 0x80);
- if (ins->dreg != ins->sreg1) {
- s390_lr (code, ins->dreg, ins->sreg1);
- }
- s390_nr (code, s390_r0, ins->sreg1);
- s390_jz (code, 7);
- s390_lhi (code, s390_r13, -1);
- s390_sll (code, s390_r13, 0, 8);
- s390_or (code, ins->dreg, s390_r13);
+#if 0
+ s390_lbr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
+ s390_sll (code, ins->dreg, 0, 24);
+ s390_sra (code, ins->dreg, 0, 24);
+
+#endif
}
break;
case OP_ICONV_TO_I2: {
- s390_lhi (code, s390_r0, 0x80);
- s390_sll (code, s390_r0, 0, 8);
- if (ins->dreg != ins->sreg1) {
- s390_lr (code, ins->dreg, ins->sreg1);
- }
- s390_nr (code, s390_r0, ins->sreg1);
- s390_jz (code, 7);
- s390_lhi (code, s390_r13, -1);
- s390_sll (code, s390_r13, 0, 16);
- s390_or (code, ins->dreg, s390_r13);
+#if 0
+ s390_lhr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
+ s390_sll (code, ins->dreg, 0, 16);
+ s390_sra (code, ins->dreg, 0, 16);
+#endif
}
break;
case OP_ICONV_TO_U1: {
+#if 0
+ s390_llcr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
s390_lhi (code, s390_r0, 0xff);
- if (ins->dreg != ins->sreg1) {
- s390_lr (code, ins->dreg, ins->sreg1);
- }
- s390_nr (code, ins->dreg, s390_r0);
+ s390_nr (code, ins->dreg, s390_r0);
+#endif
}
break;
case OP_ICONV_TO_U2: {
+#if 0
+ s390_llhr (code, ins->dreg, ins->sreg1);
+#else
+ if (ins->dreg != ins->sreg1)
+ s390_lr (code, ins->dreg, ins->sreg1);
s390_lhi (code, s390_r0, -1);
- s390_sll (code, s390_r0, 0, 16);
s390_srl (code, s390_r0, 0, 16);
- if (ins->dreg != ins->sreg1) {
- s390_lr (code, ins->dreg, ins->sreg1);
- }
- s390_nr (code, ins->dreg, s390_r0);
+ s390_nr (code, ins->dreg, s390_r0);
+#endif
}
break;
case OP_COMPARE:
}
code = backUpStackPtr(cfg, code);
- s390_lg (code, s390_r14, 0, STK_BASE, S390_RET_ADDR_OFFSET);
+ s390_lg (code, s390_r14, 0, cfg->frame_reg, S390_RET_ADDR_OFFSET);
mono_add_patch_info (cfg, code - cfg->native_code,
MONO_PATCH_INFO_METHOD_JUMP,
ins->inst_p0);
}
break;
case OP_LOCALLOC: {
- int alloca_skip = S390_MINIMAL_STACK_SIZE + cfg->param_area;
- int area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
+ int alloca_skip;
+ int area_offset;
+
+ if (cfg->param_area == 0)
+ alloca_skip = S390_MINIMAL_STACK_SIZE;
+ else
+ alloca_skip = cfg->param_area;
+
+ area_offset = S390_ALIGN(alloca_skip, S390_STACK_ALIGNMENT);
s390_lgr (code, s390_r1, ins->sreg1);
if (ins->flags & MONO_INST_INIT)
s390_lgr (code, s390_r0, ins->sreg1);
case OP_START_HANDLER: {
MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
- S390_LONG (code, stg, stg, s390_r14, 0,
+ S390_LONG (code, stg, stg, s390_r14, 0,
spvar->inst_basereg,
spvar->inst_offset);
}
if (ins->sreg1 != s390_r2)
s390_lgr(code, s390_r2, ins->sreg1);
- S390_LONG (code, lg, lg, s390_r14, 0,
+ S390_LONG (code, lg, lg, s390_r14, 0,
spvar->inst_basereg,
spvar->inst_offset);
s390_br (code, s390_r14);
case OP_ENDFINALLY: {
MonoInst *spvar = mono_find_spvar_for_region (cfg, bb->region);
- S390_LONG (code, lg, lg, s390_r14, 0,
+ S390_LONG (code, lg, lg, s390_r14, 0,
spvar->inst_basereg,
spvar->inst_offset);
s390_br (code, s390_r14);
mono_add_patch_info (cfg, code-cfg->native_code,
MONO_PATCH_INFO_BB, ins->inst_target_bb);
s390_brasl (code, s390_r14, 0);
+ mono_cfg_add_try_hole (cfg, ins->inst_eh_block, code, bb);
}
break;
case OP_LABEL: {
ins->inst_offset, ins->sreg1, ins->inst_imm);
} else {
s390_lgr (code, s390_r0, ins->dreg);
- if (s390_is_imm16 (ins->inst_offset)) {
- s390_aghi (code, s390_r0, ins->inst_offset);
- } else {
- s390_basr (code, s390_r13, 0);
- s390_j (code, 6);
- s390_llong(code, ins->inst_offset);
- s390_a (code, s390_r0, 0, s390_r13, 4);
+ if (ins->inst_offset > 0) {
+ if (s390_is_imm16 (ins->inst_offset)) {
+ s390_aghi (code, s390_r0, ins->inst_offset);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_llong(code, ins->inst_offset);
+ s390_ag (code, s390_r0, 0, s390_r13, 4);
+ }
}
s390_lgr (code, s390_r12, ins->sreg1);
- if (s390_is_imm16 (ins->inst_imm)) {
- s390_aghi (code, s390_r12, ins->inst_imm);
+ if (ins->inst_imm > 0) {
+ if (s390_is_imm16 (ins->inst_imm)) {
+ s390_aghi (code, s390_r12, ins->inst_imm);
+ } else {
+ s390_basr (code, s390_r13, 0);
+ s390_j (code, 6);
+ s390_llong(code, ins->inst_imm);
+ s390_ag (code, s390_r12, 0, s390_r13, 4);
+ }
+ }
+ if (s390_is_imm16 (ins->backend.size)) {
+ s390_lghi (code, s390_r1, ins->backend.size);
} else {
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
- s390_llong(code, ins->inst_imm);
- s390_ag (code, s390_r12, 0, s390_r13, 4);
+ s390_llong(code, ins->backend.size);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
}
- s390_lgr (code, s390_r1, ins->sreg1);
s390_lgr (code, s390_r13, s390_r1);
s390_mvcle(code, s390_r0, s390_r12, 0, 0);
s390_jo (code, -2);
}
break;
case OP_ATOMIC_EXCHANGE_I4: {
- s390_lg (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
+ s390_l (code, s390_r0, 0, ins->inst_basereg, ins->inst_offset);
s390_cs (code, s390_r0, ins->sreg2, ins->inst_basereg, ins->inst_offset);
s390_jnz (code, -4);
s390_lgfr(code, ins->dreg, s390_r0);
void
mono_arch_patch_code (MonoMethod *method, MonoDomain *domain,
- guint8 *code, MonoJumpInfo *ji, gboolean run_cctors)
+ guint8 *code, MonoJumpInfo *ji, MonoCodeManager *dyn_code_mp, gboolean run_cctors)
{
MonoJumpInfo *patch_info;
MonoBasicBlock *bb;
MonoMethodSignature *sig;
MonoInst *inst;
- int alloc_size, pos, max_offset, i;
+ long alloc_size, pos, max_offset, i, cfa_offset = 0;
guint8 *code;
+ guint32 size;
CallInfo *cinfo;
int tracing = 0;
int lmfOffset;
cfg->native_code = code = g_malloc (cfg->code_size);
+ mono_emit_unwind_op_def_cfa (cfg, code, STK_BASE, 0);
+ emit_unwind_regs(cfg, code, s390_r6, s390_r14, S390_REG_SAVE_OFFSET);
s390_stmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
+ mono_emit_unwind_op_offset (cfg, code, s390_r14, S390_RET_ADDR_OFFSET);
if (cfg->arch.bkchain_reg != -1)
s390_lgr (code, cfg->arch.bkchain_reg, STK_BASE);
alloc_size = cfg->stack_offset;
- cfg->stack_usage = alloc_size;
+ cfg->stack_usage = cfa_offset = alloc_size;
+ mono_emit_unwind_op_def_cfa_offset (cfg, code, alloc_size);
s390_lgr (code, s390_r11, STK_BASE);
if (s390_is_imm16 (alloc_size)) {
s390_aghi (code, STK_BASE, -alloc_size);
if (cfg->frame_reg != STK_BASE)
s390_lgr (code, s390_r11, STK_BASE);
+ mono_emit_unwind_op_def_cfa_reg (cfg, code, cfg->frame_reg);
+
/* compute max_offset in order to use short forward jumps
* we always do it on s390 because the immediate displacement
* for jumps is too small
cinfo = get_call_info (cfg, cfg->mempool, sig, sig->pinvoke);
if (cinfo->struct_ret) {
- ArgInfo *ainfo = &cinfo->ret;
- inst = cfg->vret_addr;
+ ArgInfo *ainfo = &cinfo->ret;
+ inst = cfg->vret_addr;
inst->backend.size = ainfo->vtsize;
s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
}
s390_lgr (code, s390_r13, STK_BASE);
s390_aghi (code, s390_r13, alloc_size);
}
- switch (ainfo->size) {
+
+ size = (method->wrapper_type == MONO_WRAPPER_MANAGED_TO_NATIVE
+ ? mono_class_native_size(mono_class_from_mono_type(inst->inst_vtype), NULL)
+ : ainfo->size);
+
+ switch (size) {
case 1:
if (ainfo->reg == STK_BASE)
s390_ic (code, reg, 0, s390_r13, ainfo->offset+7);
}
} else if (ainfo->regtype == RegTypeStructByAddr) {
s390_stg (code, ainfo->reg, 0, inst->inst_basereg, inst->inst_offset);
+ } else if (ainfo->regtype == RegTypeStructByAddrOnStack) {
} else
g_assert_not_reached ();
}
/*---------------------------------------------------------------*/
/* On return from this call r2 have the address of the &lmf */
/*---------------------------------------------------------------*/
- s390_basr(code, s390_r10, 0);
+ s390_basr(code, s390_r14, 0);
s390_j (code, 6);
mono_add_patch_info (cfg, code - cfg->native_code,
MONO_PATCH_INFO_INTERNAL_METHOD,
(gpointer)"mono_get_lmf_addr");
s390_llong(code, 0);
- s390_lg (code, s390_r1, 0, s390_r10, 4);
+ s390_lg (code, s390_r1, 0, s390_r14, 4);
s390_basr (code, s390_r14, s390_r1);
/*---------------------------------------------------------------*/
if (method->save_lmf)
restoreLMF(code, cfg->frame_reg, cfg->stack_usage);
- if (cfg->flags & MONO_CFG_HAS_ALLOCA)
+ if (cfg->flags & MONO_CFG_HAS_ALLOCA) {
+// if (cfg->frame_reg != STK_BASE)
+// s390_lgr (code, STK_BASE, cfg->frame_reg);
s390_lg (code, STK_BASE, 0, STK_BASE, 0);
- else
+ } else
code = backUpStackPtr(cfg, code);
s390_lmg (code, s390_r6, s390_r14, STK_BASE, S390_REG_SAVE_OFFSET);
/*---------------------------------------------*/
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
- s390_llong(code, patch_info->data.target);
+// s390_llong(code, patch_info->data.target);
+ s390_llong(code, exc_class->type_token);
/*---------------------------------------------*/
/* Load return address & parameter register */
/*---------------------------------------------*/
s390_basr (code, s390_r13, 0);
s390_j (code, 6);
patch_info->type = MONO_PATCH_INFO_INTERNAL_METHOD;
- patch_info->data.name = "mono_arch_throw_exception_by_name";
+ patch_info->data.name = "mono_arch_throw_corlib_exception";
patch_info->ip.i = code - cfg->native_code;
s390_llong(code, 0);
s390_lg (code, s390_r1, 0, s390_r13, 4);
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_decompose_opts */
+/* */
+/* Function - Decompose opcode into a System z opcode. */
+/* */
+/*------------------------------------------------------------------*/
+
void
mono_arch_decompose_opts (MonoCompile *cfg, MonoInst *ins)
{
/*========================= End of Function ========================*/
-/*------------------------------------------------------------------*/
-/* */
-/* Name - mono_arch_get_thread_intrinsic */
-/* */
-/* Function - */
-/* */
-/* Returns - */
-/* */
-/*------------------------------------------------------------------*/
-
-MonoInst *
-mono_arch_get_thread_intrinsic (MonoCompile* cfg)
-{
- MonoInst *ins;
-
- if (thread_tls_offset == -1)
- return NULL;
-
- MONO_INST_NEW (cfg, ins, OP_TLS_GET);
- ins->inst_offset = thread_tls_offset;
- return (ins);
-}
-
-/*========================= End of Function ========================*/
-
/*------------------------------------------------------------------*/
/* */
/* Name - mono_arch_flush_register_windows */
/*========================= End of Function ========================*/
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_context_get_int_reg. */
+/* */
+/* Function - */
+/* */
+/* Returns - Offset for patch. */
+/* */
+/*------------------------------------------------------------------*/
+
gpointer
mono_arch_context_get_int_reg (MonoContext *ctx, int reg)
{
g_assert_not_reached ();
return NULL;
}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_get_this_arg_from_call. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_get_this_arg_from_call (mgreg_t *regs, guint8 *code)
+{
+ MonoLMF *lmf = (MonoLMF *) ((gchar *) regs - sizeof(MonoLMF));
+
+ return (gpointer) lmf->gregs [s390_r2];
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - get_delegate_invoke_impl. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+static gpointer
+get_delegate_invoke_impl (gboolean has_target, guint32 param_count, guint32 *code_len, gboolean aot)
+{
+ guint8 *code, *start;
+
+ if (has_target) {
+ int size = 32;
+
+ start = code = mono_global_codeman_reserve (size);
+
+ /* Replace the this argument with the target */
+ s390_lg (code, s390_r1, 0, s390_r2, G_STRUCT_OFFSET(MonoDelegate, method_ptr));
+ s390_lg (code, s390_r2, 0, s390_r2, G_STRUCT_OFFSET(MonoDelegate, target));
+ s390_br (code, s390_r1);
+ g_assert ((code - start) <= size);
+
+ mono_arch_flush_icache (start, size);
+ } else {
+ int size, i;
+
+ size = 32 + param_count * 8;
+ start = code = mono_global_codeman_reserve (size);
+
+ s390_lg (code, s390_r1, 0, s390_r2, G_STRUCT_OFFSET(MonoDelegate, method_ptr));
+ /* slide down the arguments */
+ for (i = 0; i < param_count; ++i) {
+ s390_lgr (code, (s390_r2 + i), (s390_r2 + i + 1));
+ }
+ s390_br (code, s390_r1);
+
+ g_assert ((code - start) <= size);
+
+ mono_arch_flush_icache (start, size);
+ }
+
+ if (code_len)
+ *code_len = code - start;
+
+ return start;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_get_delegate_invoke_impls. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+GSList*
+mono_arch_get_delegate_invoke_impls (void)
+{
+ GSList *res = NULL;
+ guint8 *code;
+ guint32 code_len;
+ int i;
+
+ code = get_delegate_invoke_impl (TRUE, 0, &code_len, TRUE);
+ res = g_slist_prepend (res, mono_tramp_info_create (g_strdup ("delegate_invoke_impl_has_target"), code, code_len, NULL, NULL));
+
+ for (i = 0; i < MAX_ARCH_DELEGATE_PARAMS; ++i) {
+ code = get_delegate_invoke_impl (FALSE, i, &code_len, TRUE);
+ res = g_slist_prepend (res, mono_tramp_info_create (g_strdup_printf ("delegate_invoke_impl_target_%d", i), code, code_len, NULL, NULL));
+ }
+
+ return res;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_get_delegate_invoke_impl. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_get_delegate_invoke_impl (MonoMethodSignature *sig, gboolean has_target)
+{
+ guint8 *code, *start;
+
+ /* FIXME: Support more cases */
+ if (MONO_TYPE_ISSTRUCT (sig->ret))
+ return NULL;
+
+ if (has_target) {
+ static guint8* cached = NULL;
+
+ if (cached)
+ return cached;
+
+ if (mono_aot_only)
+ start = mono_aot_get_trampoline ("delegate_invoke_impl_has_target");
+ else
+ start = get_delegate_invoke_impl (TRUE, 0, NULL, FALSE);
+
+ mono_memory_barrier ();
+
+ cached = start;
+ } else {
+ static guint8* cache [MAX_ARCH_DELEGATE_PARAMS + 1] = {NULL};
+ int i;
+
+ if (sig->param_count > MAX_ARCH_DELEGATE_PARAMS)
+ return NULL;
+ for (i = 0; i < sig->param_count; ++i)
+ if (!mono_is_regsize_var (sig->params [i]))
+ return NULL;
+
+
+ code = cache [sig->param_count];
+ if (code)
+ return code;
+
+ if (mono_aot_only) {
+ char *name = g_strdup_printf ("delegate_invoke_impl_target_%d", sig->param_count);
+ start = mono_aot_get_trampoline (name);
+ g_free (name);
+ } else {
+ start = get_delegate_invoke_impl (FALSE, sig->param_count, NULL, FALSE);
+ }
+
+ mono_memory_barrier ();
+
+ cache [sig->param_count] = start;
+ }
+ return start;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_build_imt_thunk. */
+/* */
+/* Function - */
+/* */
+/*------------------------------------------------------------------*/
+
+gpointer
+mono_arch_build_imt_thunk (MonoVTable *vtable, MonoDomain *domain,
+ MonoIMTCheckItem **imt_entries, int count,
+ gpointer fail_tramp)
+{
+ int i;
+ int size = 0;
+ guchar *code, *start;
+
+ for (i = 0; i < count; ++i) {
+ MonoIMTCheckItem *item = imt_entries [i];
+ if (item->is_equals) {
+ if (item->check_target_idx) {
+ if (!item->compare_done)
+ item->chunk_size += CMP_SIZE + JUMP_SIZE;
+ if (item->has_target_code)
+ item->chunk_size += BR_SIZE + JUMP_SIZE + LOADCON_SIZE;
+ else
+ item->chunk_size += BR_SIZE + JUMP_SIZE + LOADCON_SIZE +
+ LOAD_SIZE;
+ } else {
+ if (fail_tramp) {
+ item->chunk_size += CMP_SIZE + 2 * BR_SIZE + JUMP_SIZE +
+ 2 * LOADCON_SIZE;
+ if (!item->has_target_code)
+ item->chunk_size += LOAD_SIZE;
+ } else {
+ item->chunk_size += LOADCON_SIZE + LOAD_SIZE + BR_SIZE;
+#if ENABLE_WRONG_METHOD_CHECK
+ item->chunk_size += CMP_SIZE + JUMP_SIZE;
+#endif
+ }
+ }
+ } else {
+ item->chunk_size += CMP_SIZE + JUMP_SIZE;
+ imt_entries [item->check_target_idx]->compare_done = TRUE;
+ }
+ size += item->chunk_size;
+ }
+
+ if (fail_tramp)
+ code = mono_method_alloc_generic_virtual_thunk (domain, size);
+ else
+ code = mono_domain_code_reserve (domain, size);
+
+ start = code;
+
+ for (i = 0; i < count; ++i) {
+ MonoIMTCheckItem *item = imt_entries [i];
+ item->code_target = (guint8 *) code;
+ if (item->is_equals) {
+ if (item->check_target_idx) {
+ if (!item->compare_done) {
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, item->key);
+ s390_lg (code, s390_r0, 0, s390_r13, 4);
+ s390_cgr (code, s390_r0, MONO_ARCH_IMT_REG);
+ }
+ item->jmp_code = (guint8*) code;
+ s390_jcl (code, S390_CC_NE, 0);
+
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ if (item->has_target_code) {
+ s390_llong(code, item->value.target_code);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ } else {
+ s390_llong(code, (&(vtable->vtable [item->value.vtable_slot])));
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_lg (code, s390_r1, 0, s390_r1, 0);
+ }
+ s390_br (code, s390_r1);
+ } else {
+ if (fail_tramp) {
+ gint64 target;
+
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, item->key);
+ s390_lg (code, s390_r0, 0, s390_r13, 4);
+ s390_cgr (code, s390_r0, MONO_ARCH_IMT_REG);
+ item->jmp_code = (guint8*) code;
+ s390_jcl (code, S390_CC_NE, 0);
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ if (item->has_target_code) {
+ s390_llong(code, item->value.target_code);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ } else {
+ g_assert (vtable);
+ s390_llong(code, (&(vtable->vtable [item->value.vtable_slot])));
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_lg (code, s390_r1, 0, s390_r1, 0);
+ }
+ s390_br (code, s390_r1);
+ target = S390_RELATIVE(code, item->jmp_code);
+ s390_patch_rel(item->jmp_code+2, target);
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, fail_tramp);
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_br (code, s390_r1);
+ item->jmp_code = NULL;
+ } else {
+ /* enable the commented code to assert on wrong method */
+#if ENABLE_WRONG_METHOD_CHECK
+ g_assert_not_reached ();
+#endif
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, (&(vtable->vtable [item->value.vtable_slot])));
+ s390_lg (code, s390_r1, 0, s390_r13, 4);
+ s390_lg (code, s390_r1, 0, s390_r1, 0);
+ s390_br (code, s390_r1);
+#if ENABLE_WRONG_METHOD_CHECK
+ g_assert_not_reached ();
+#endif
+ }
+ }
+ } else {
+ s390_basr (code, s390_r13, s390_r0);
+ s390_j (code, 6);
+ s390_llong(code, item->key);
+ s390_lg (code, s390_r0, 0, s390_r13, 4);
+ s390_cgr (code, MONO_ARCH_IMT_REG, s390_r0);
+ item->jmp_code = (guint8 *) code;
+ s390_jcl (code, S390_CC_GE, 0);
+ }
+ }
+ /* patch the branches to get to the target items */
+ for (i = 0; i < count; ++i) {
+ MonoIMTCheckItem *item = imt_entries [i];
+ if (item->jmp_code) {
+ if (item->check_target_idx) {
+ gint64 offset;
+ offset = S390_RELATIVE(imt_entries [item->check_target_idx]->code_target,
+ item->jmp_code);
+ s390_patch_rel ((guchar *) item->jmp_code + 2, (guint64) offset);
+ }
+ }
+ }
+
+ mono_arch_flush_icache ((guint8*)start, (code - start));
+
+ if (!fail_tramp)
+ mono_stats.imt_thunks_size += (code - start);
+
+ g_assert (code - start <= size);
+
+ return (start);
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - mono_arch_find_imt_method. */
+/* */
+/* Function - Get the method address from MONO_ARCH_IMT_REG */
+/* found in the save area. */
+/* */
+/*------------------------------------------------------------------*/
+
+MonoMethod*
+mono_arch_find_imt_method (mgreg_t *regs, guint8 *code)
+{
+ MonoLMF *lmf = (MonoLMF *) ((gchar *) regs - sizeof(MonoLMF));
+
+ return ((MonoMethod *) lmf->gregs [MONO_ARCH_IMT_REG]);
+}
+
+/*========================= End of Function ========================*/