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Trigger a PPC debug trap if an unresolved import is called.

This commit is contained in:
Dr. Chat 2015-07-03 18:02:17 -05:00
parent 800f982a4d
commit d616231c8b
1 changed files with 12 additions and 0 deletions
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12
src/xenia/cpu/xex_module.cc
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@ -361,6 +361,18 @@ bool XexModule::SetupLibraryImports(const char* name,
uint8_t* p = memory()->TranslateVirtual(record_addr);
xe::store_and_swap<uint32_t>(p + 0x0, 0x3D600000 | hi_addr);
xe::store_and_swap<uint32_t>(p + 0x4, 0x616B0000 | low_addr);
} else {
// Import not resolved.
// We're gonna rewrite the PPC to trigger a debug trap:
// trap
// blr
// nop
// nop
uint8_t* p = memory()->TranslateVirtual(record_addr);
xe::store_and_swap<uint32_t>(p + 0x0, 0x7FE00008);
xe::store_and_swap<uint32_t>(p + 0x4, 0x4E800020);
xe::store_and_swap<uint32_t>(p + 0x8, 0x60000000);
xe::store_and_swap<uint32_t>(p + 0xC, 0x60000000);
}
fn_info->set_status(SymbolStatus::kDeclared);