/* Literal pool */
add_literal(int addr,int val)
{
+ assert(literalcount<sizeof(literals)/sizeof(literals[0]));
literals[literalcount][0]=addr;
literals[literalcount][1]=val;
literalcount++;
return i_ptr;
}
+// find where external branch is liked to using addr of it's stub:
+// get address that insn one after stub loads (dyna_linker arg1),
+// treat it as a pointer to branch insn,
+// return addr where that branch jumps to
int get_pointer(void *stub)
{
//printf("get_pointer(%x)\n",(int)stub);
int *ptr=(int *)(stub+4);
- assert((*ptr&0x0ff00000)==0x05900000);
+ assert((*ptr&0x0fff0000)==0x059f0000);
u_int offset=*ptr&0xfff;
int **l_ptr=(void *)ptr+offset+8;
int *i_ptr=*l_ptr;
u_int *ptr=(u_int *)addr;
#ifdef ARMv5_ONLY
// get from literal pool
- assert((*ptr&0xFFF00000)==0xe5900000);
+ assert((*ptr&0xFFFF0000)==0xe59f0000);
u_int offset=*ptr&0xfff;
u_int *l_ptr=(void *)ptr+offset+8;
u_int source=l_ptr[0];
u_int *ptr=(u_int *)addr;
#ifdef ARMv5_ONLY
// get from literal pool
- assert((*ptr&0xFFF00000)==0xe5900000);
+ assert((*ptr&0xFFFF0000)==0xe59f0000);
u_int offset=*ptr&0xfff;
u_int *l_ptr=(void *)ptr+offset+8;
u_int source=l_ptr[0];
void emit_testimm(int rs,int imm)
{
u_int armval;
- assem_debug("tst %s,$%d\n",regname[rs],imm);
+ assem_debug("tst %s,#%d\n",regname[rs],imm);
genimm_checked(imm,&armval);
output_w32(0xe3100000|rd_rn_rm(0,rs,0)|armval);
}
{
u_int armval;
if(genimm(imm,&armval)) {
- assem_debug("cmp %s,$%d\n",regname[rs],imm);
+ assem_debug("cmp %s,#%d\n",regname[rs],imm);
output_w32(0xe3500000|rd_rn_rm(0,rs,0)|armval);
}else if(genimm(-imm,&armval)) {
- assem_debug("cmn %s,$%d\n",regname[rs],imm);
+ assem_debug("cmn %s,#%d\n",regname[rs],imm);
output_w32(0xe3700000|rd_rn_rm(0,rs,0)|armval);
}else if(imm>0) {
assert(imm<65536);
assert(quotient>=0);
assert(remainder>=0);
emit_movs(d1,remainder);
- emit_negmi(remainder,remainder);
+ emit_movimm(0xffffffff,quotient);
+ emit_negmi(quotient,quotient); // .. quotient and ..
+ emit_negmi(remainder,remainder); // .. remainder for div0 case (will be negated back after jump)
emit_movs(d2,HOST_TEMPREG);
emit_jeq((int)out+52); // Division by zero
emit_negmi(HOST_TEMPREG,HOST_TEMPREG);
signed char remainder=get_reg(i_regs->regmap,HIREG);
assert(quotient>=0);
assert(remainder>=0);
+ emit_mov(d1,remainder);
+ emit_movimm(0xffffffff,quotient); // div0 case
emit_test(d2,d2);
- emit_jeq((int)out+44); // Division by zero
+ emit_jeq((int)out+40); // Division by zero
emit_clz(d2,HOST_TEMPREG);
emit_movimm(1<<31,quotient);
emit_shl(d2,HOST_TEMPREG,d2);
- emit_mov(d1,remainder);
emit_shr(quotient,HOST_TEMPREG,quotient);
emit_cmp(remainder,d2);
emit_subcs(remainder,d2,remainder);