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RtlImageXexHeaderField stub.

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This commit is contained in:
Ben Vanik
2013-01-28 14:25:16 -08:00
parent e93908dd72
commit 9ad6bb917f
3 changed files with 71 additions and 3 deletions
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17
src/kernel/modules/xboxkrnl/xboxkrnl_module.cc
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@@ -67,6 +67,8 @@ XboxkrnlModule::XboxkrnlModule(xe_pal_ref pal, xe_memory_ref memory,
// TODO(benvanik): alloc heap memory somewhere in user space
// TODO(benvanik): tools for reading/writing to heap memory
uint8_t* mem = xe_memory_addr(memory, 0);
// HACK: register some dummy globals for now.
// KeDebugMonitorData
resolver->SetVariableMapping(
@@ -76,12 +78,21 @@ XboxkrnlModule::XboxkrnlModule(xe_pal_ref pal, xe_memory_ref memory,
resolver->SetVariableMapping(
"xboxkrnl.exe", 0x00000156,
0x40002000);
// XexExecutableModuleHandle
// Games try to dereference this to get a pointer to some module struct.
// So far it seems like it's just in loader code, and only used to look up
// the XexHeaderBase for use by RtlImageXexHeaderField.
// We fake it so that the address passed to that looks legit.
// 0x80100FFC <- pointer to structure
// 0x80101000 <- our module structure
// 0x80101058 <- pointer to xex header
// 0x80101100 <- xex header base
resolver->SetVariableMapping(
"xboxkrnl.exe", 0x00000193,
0x40000000);
// 0x0000012B, RtlImageXexHeaderField
0x80100FFC);
XESETUINT32BE(mem + 0x80100FFC, 0x80101000);
XESETUINT32BE(mem + 0x80101058, 0x80101100);
}
XboxkrnlModule::~XboxkrnlModule() {