void NCValidateSegment(uint8_t *mbase, NaClPcAddress vbase, NaClMemorySize sz,
struct NCValidatorState *vstate) {
/* Sanity checks */
/* TODO(ncbray): remove redundant vbase/size args. */
if ((vbase & vstate->bundle_mask) != 0) {
ValidatePrintOffsetError(0, "Bad vbase alignment", vstate);
NCStatsSegFault(vstate);
return;
}
if (vbase != vstate->iadrbase) {
ValidatePrintOffsetError(0, "Mismatched vbase addresses", vstate);
NCStatsSegFault(vstate);
return;
}
if (sz != vstate->codesize) {
ValidatePrintOffsetError(0, "Mismatched code size", vstate);
NCStatsSegFault(vstate);
return;
}
sz = NCHaltTrimSize(mbase, sz, vstate->bundle_size);
vstate->codesize = sz;
if (sz == 0) {
ValidatePrintOffsetError(0, "Bad text segment (zero size)", vstate);
NCStatsSegFault(vstate);
return;
}
NCValidateDStateInit(vstate, mbase, vbase, sz);
NCDecoderStateDecode(&vstate->dstate);
NCDecoderStateDestruct(&vstate->dstate);
}
void NCDecodeSegment(uint8_t* mbase, NaClPcAddress vbase,
NaClMemorySize size) {
NCDecoderInst inst;
NCDecoderState dstate;
NCDecoderStateConstruct(&dstate, mbase, vbase, size, &inst, 1);
NCDecoderStateSetErrorReporter(&dstate, &kNCVerboseErrorReporter);
/* TODO(karl): Fix this so that we don't need to override the
* action function.
*/
dstate.action_fn = PrintInstLogGio;
NCDecoderStateDecode(&dstate);
NCDecoderStateDestruct(&dstate);
}
