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kern: paranoid assertions about the class tokens

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This commit is contained in:
Michael Scire 2020-02-22 03:04:31 -08:00
parent 5055bdb23e
commit 40980904f7
1 changed files with 62 additions and 0 deletions
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62
libraries/libmesosphere/source/kern_k_class_token.cpp
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@ -18,6 +18,8 @@
namespace ams::kern {
/* Ensure that we generate correct class tokens for all types. */
/* Ensure that the absolute token values are correct. */
static_assert(ClassToken<KAutoObject> == 0b00000000'00000000);
static_assert(ClassToken<KSynchronizationObject> == 0b00000000'00000001);
static_assert(ClassToken<KReadableEvent> == 0b00000000'00000011);
@ -43,4 +45,64 @@ namespace ams::kern {
static_assert(ClassToken<KSessionRequest> == 0b10100001'00000000);
static_assert(ClassToken<KCodeMemory> == 0b11000001'00000000);
/* Ensure that the token hierarchy is correct. */
/* Base classes */
static_assert(ClassToken<KAutoObject> == (0b00000000));
static_assert(ClassToken<KSynchronizationObject> == (0b00000001 | ClassToken<KAutoObject>));
static_assert(ClassToken<KReadableEvent> == (0b00000010 | ClassToken<KSynchronizationObject>));
/* Final classes */
static_assert(ClassToken<KInterruptEvent> == ((0b00000111 << 8) | ClassToken<KReadableEvent>));
static_assert(ClassToken<KDebug> == ((0b00001011 << 8) | ClassToken<KSynchronizationObject>));
static_assert(ClassToken<KThread> == ((0b00010011 << 8) | ClassToken<KSynchronizationObject>));
/* TODO: static_assert(ClassToken<KServerPort> == ((0b00100011 << 8) | ClassToken<KSynchronizationObject>)); */
/* TODO: static_assert(ClassToken<KServerSession> == ((0b01000011 << 8) | ClassToken<KSynchronizationObject>)); */
/* TODO: static_assert(ClassToken<KClientPort> == ((0b10000011 << 8) | ClassToken<KSynchronizationObject>)); */
/* TODO: static_assert(ClassToken<KClientSession> == ((0b00001101 << 8) | ClassToken<KAutoObject>)); */
static_assert(ClassToken<KProcess> == ((0b00010101 << 8) | ClassToken<KSynchronizationObject>));
static_assert(ClassToken<KResourceLimit> == ((0b00100101 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KLightSession> == ((0b01000101 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KPort> == ((0b10000101 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KSession> == ((0b00011001 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KSharedMemory> == ((0b00101001 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KEvent> == ((0b01001001 << 8) | ClassToken<KAutoObject>));
/* TODO: static_assert(ClassToken<KWritableEvent> == ((0b10001001 << 8) | ClassToken<KAutoObject>)); */
/* TODO: static_assert(ClassToken<KLightClientSession> == ((0b00110001 << 8) | ClassToken<KAutoObject>)); */
/* TODO: static_assert(ClassToken<KLightServerSession> == ((0b01010001 << 8) | ClassToken<KAutoObject>)); */
static_assert(ClassToken<KTransferMemory> == ((0b10010001 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KDeviceAddressSpace> == ((0b01100001 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KSessionRequest> == ((0b10100001 << 8) | ClassToken<KAutoObject>));
static_assert(ClassToken<KCodeMemory> == ((0b11000001 << 8) | ClassToken<KAutoObject>));
/* Ensure that the token hierarchy reflects the class hierarchy. */
/* Base classes. */
static_assert(!std::is_final<KSynchronizationObject>::value && std::is_base_of<KAutoObject, KSynchronizationObject>::value);
static_assert(!std::is_final<KReadableEvent>::value && std::is_base_of<KSynchronizationObject, KReadableEvent>::value);
/* Final classes */
static_assert(std::is_final<KInterruptEvent>::value && std::is_base_of<KReadableEvent, KInterruptEvent>::value);
static_assert(std::is_final<KDebug>::value && std::is_base_of<KSynchronizationObject, KDebug>::value);
static_assert(std::is_final<KThread>::value && std::is_base_of<KSynchronizationObject, KThread>::value);
/* TODO: static_assert(std::is_final<KServerPort>::value && std::is_base_of<KSynchronizationObject, KServerPort>::value); */
/* TODO: static_assert(std::is_final<KServerSession>::value && std::is_base_of<KSynchronizationObject, KServerSession>::value); */
/* TODO: static_assert(std::is_final<KClientPort>::value && std::is_base_of<KSynchronizationObject, KClientPort>::value); */
/* TODO: static_assert(std::is_final<KClientSession>::value && std::is_base_of<KAutoObject, KClientSession>::value); */
static_assert(std::is_final<KProcess>::value && std::is_base_of<KSynchronizationObject, KProcess>::value);
static_assert(std::is_final<KResourceLimit>::value && std::is_base_of<KAutoObject, KResourceLimit>::value);
static_assert(std::is_final<KLightSession>::value && std::is_base_of<KAutoObject, KLightSession>::value);
static_assert(std::is_final<KPort>::value && std::is_base_of<KAutoObject, KPort>::value);
static_assert(std::is_final<KSession>::value && std::is_base_of<KAutoObject, KSession>::value);
static_assert(std::is_final<KSharedMemory>::value && std::is_base_of<KAutoObject, KSharedMemory>::value);
static_assert(std::is_final<KEvent>::value && std::is_base_of<KAutoObject, KEvent>::value);
/* TODO: static_assert(std::is_final<KWritableEvent>::value && std::is_base_of<KAutoObject, KWritableEvent>::value); */
/* TODO: static_assert(std::is_final<KLightClientSession>::value && std::is_base_of<KAutoObject, KLightClientSession>::value); */
/* TODO: static_assert(std::is_final<KLightServerSession>::value && std::is_base_of<KAutoObject, KLightServerSession>::value); */
static_assert(std::is_final<KTransferMemory>::value && std::is_base_of<KAutoObject, KTransferMemory>::value);
static_assert(std::is_final<KDeviceAddressSpace>::value && std::is_base_of<KAutoObject, KDeviceAddressSpace>::value);
static_assert(std::is_final<KSessionRequest>::value && std::is_base_of<KAutoObject, KSessionRequest>::value);
static_assert(std::is_final<KCodeMemory>::value && std::is_base_of<KAutoObject, KCodeMemory>::value);
}