address Relocation::pd_call_destination(address orig_addr) {
intptr_t adj = 0;
address inst_loc = addr();
if (orig_addr != NULL) {
// We just moved this call instruction from orig_addr to addr().
// This means its target will appear to have grown by addr() - orig_addr.
adj = -(inst_loc - orig_addr);
}
if (NativeFarCall::is_far_call_at(inst_loc)) {
NativeFarCall* call = nativeFarCall_at(inst_loc);
return call->destination() + (intptr_t)(call->is_pcrelative() ? adj : 0);
} else if (NativeJump::is_jump_at(inst_loc)) {
NativeJump* jump = nativeJump_at(inst_loc);
return jump->jump_destination() + (intptr_t)(jump->is_pcrelative() ? adj : 0);
} else if (NativeConditionalFarBranch::is_conditional_far_branch_at(inst_loc)) {
NativeConditionalFarBranch* branch = NativeConditionalFarBranch_at(inst_loc);
return branch->branch_destination();
} else {
// There are two instructions at the beginning of a stub, therefore we
// load at orig_addr + 8.
orig_addr = nativeCall_at(inst_loc)->get_trampoline();
if (orig_addr == NULL) {
return (address) -1;
} else {
return (address) nativeMovConstReg_at(orig_addr + 8)->data();
}
}
}
