void Vgen::patch(Venv& env) {
for (auto& p : env.jmps) {
assertx(env.addrs[p.target]);
smashJmp(p.instr, env.addrs[p.target]);
}
for (auto& p : env.jccs) {
assertx(env.addrs[p.target]);
smashJcc(p.instr, env.addrs[p.target]);
}
for (auto& p : env.bccs) {
assertx(env.addrs[p.target]);
auto link = (Instruction*) p.instr;
link->SetImmPCOffsetTarget(Instruction::Cast(env.addrs[p.target]));
}
}
void SrcRec::patchIncomingBranches(TCA newStart) {
if (hasDebuggerGuard()) {
// We have a debugger guard, so all jumps to us funnel through
// this. Just smash m_dbgBranchGuardSrc.
TRACE(1, "smashing m_dbgBranchGuardSrc @%p\n", m_dbgBranchGuardSrc.get());
smashJmp(m_dbgBranchGuardSrc, newStart);
return;
}
TRACE(1, "%zd incoming branches to rechain\n", m_incomingBranches.size());
for (auto &br : m_incomingBranches) {
TRACE(1, "SrcRec(%p)::newTranslation rechaining @%p -> %p\n",
this, br.toSmash(), newStart);
br.patch(newStart);
}
}
