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Minor libkernel changes (#2721)

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* sceKernelDebugOutText

Some homebrew use this for logging, and these logs do show up in console klogs.
I wasn't sure where the most suitable place for this function would be, so I made a separate file for these debug functions.

* Implement kernel exit

Some homebrew I have use this exit when an error occurs. Since actually closing the emulator isn't implemented yet, I've used an unreachable message that logs the status code.
I've placed it in process.cpp for now, let me know if I should change that.

* Improved implementations for sceKernelDebugRaiseException functions

These functions take in two parameters, an error code and some other value that I have no idea what is for. If that second parameter is not zero, they return ORBIS_KERNEL_ERROR_EINVAL before any calls to mdbg_service.
These improved implementations add the early error return and a message with the error code to the unreachable.

* Add missing exports

Homebrew apps like to use these kernel exports of posix functions instead.

* Clang
This commit is contained in:
Stephen Miller 2025-03-29 18:27:33 -05:00 • committed by GitHub
parent bad82e7204
commit 99b90cbd5c
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7 changed files with 61 additions and 5 deletions
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6
src/core/libraries/kernel/process.cpp
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@ -127,6 +127,11 @@ int PS4_SYSV_ABI sceKernelGetModuleInfoFromAddr(VAddr addr, int flags,
return ORBIS_OK;
}
s32 PS4_SYSV_ABI exit(s32 status) {
UNREACHABLE_MSG("Exiting with status code {}", status);
return 0;
}
void RegisterProcess(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("WB66evu8bsU", "libkernel", 1, "libkernel", 1, 1, sceKernelGetCompiledSdkVersion);
LIB_FUNCTION("WslcK1FQcGI", "libkernel", 1, "libkernel", 1, 1, sceKernelIsNeoMode);
@ -136,6 +141,7 @@ void RegisterProcess(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("LwG8g3niqwA", "libkernel", 1, "libkernel", 1, 1, sceKernelDlsym);
LIB_FUNCTION("RpQJJVKTiFM", "libkernel", 1, "libkernel", 1, 1, sceKernelGetModuleInfoForUnwind);
LIB_FUNCTION("f7KBOafysXo", "libkernel", 1, "libkernel", 1, 1, sceKernelGetModuleInfoFromAddr);
LIB_FUNCTION("6Z83sYWFlA8", "libkernel", 1, "libkernel", 1, 1, exit);
}
} // namespace Libraries::Kernel