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Kernel: Use a lookup table for syscalls

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Instead of the big ugly switch statement, build a lookup table using
the syscall enumeration macro.

This greatly simplifies the syscall implementation. :^)
This commit is contained in:
Andreas Kling 2019-11-09 22:18:16 +01:00
parent 874ebbe4a5
commit fbeb1ab15b
5 changed files with 69 additions and 277 deletions
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5
Kernel/Syscall.h
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@ -106,7 +106,7 @@ struct timespec;
__ENUMERATE_SYSCALL(donate) \
__ENUMERATE_SYSCALL(rename) \
__ENUMERATE_SYSCALL(shm_open) \
__ENUMERATE_SYSCALL(shm_close) \
__ENUMERATE_SYSCALL(shm_unlink) \
__ENUMERATE_SYSCALL(ftruncate) \
__ENUMERATE_SYSCALL(systrace) \
__ENUMERATE_SYSCALL(exit_thread) \
@ -143,6 +143,7 @@ enum Function {
#define __ENUMERATE_SYSCALL(x) SC_##x,
ENUMERATE_SYSCALLS
#undef __ENUMERATE_SYSCALL
__Count
};
inline constexpr const char* to_string(Function function)
@ -154,6 +155,8 @@ inline constexpr const char* to_string(Function function)
return #x;
ENUMERATE_SYSCALLS
#undef __ENUMERATE_SYSCALL
default:
break;
}
return "Unknown";
}