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FFI: Compile calls to stdcall, fastcall and vararg functions.

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This commit is contained in:
Mike Pall
2011-10-27 01:52:37 +02:00
parent 1d190c99a2
commit 2dc574d06b
14 changed files with 263 additions and 79 deletions
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10
src/lj_asm_arm.h
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@@ -331,13 +331,17 @@ static void asm_callx(ASMState *as, IRIns *ir)
{
IRRef args[CCI_NARGS_MAX];
CCallInfo ci;
IRRef func;
IRIns *irf;
ci.flags = asm_callx_flags(as, ir);
asm_collectargs(as, ir, &ci, args);
asm_setupresult(as, ir, &ci);
if (irref_isk(ir->op2)) { /* Call to constant address. */
ci.func = (ASMFunction)(void *)(IR(ir->op2)->i);
func = ir->op2; irf = IR(func);
if (irf->o == IR_CARG) { func = irf->op1; irf = IR(func); }
if (irref_isk(func)) { /* Call to constant address. */
ci.func = (ASMFunction)(void *)(irf->i);
} else { /* Need a non-argument register for indirect calls. */
Reg freg = ra_alloc1(as, ir->op2, RSET_RANGE(RID_R4, RID_R12+1));
Reg freg = ra_alloc1(as, func, RSET_RANGE(RID_R4, RID_R12+1));
emit_m(as, ARMI_BLXr, freg);
ci.func = (ASMFunction)(void *)0;
}