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#+no-instrumentation
package sanitizer
@(private="file")
MSAN_ENABLED :: .Memory in ODIN_SANITIZER_FLAGS
@(private="file")
@(default_calling_convention="system")
foreign {
__msan_unpoison :: proc(addr: rawptr, size: uint) ---
}
/*
Marks a slice as fully initialized.
Code instrumented with `-sanitize:memory` will be permitted to access any
address within the slice as if it had already been initialized.
When msan is not enabled this procedure does nothing.
*/
memory_unpoison_slice :: proc "contextless" (region: $T/[]$E) {
when MSAN_ENABLED {
__msan_unpoison(raw_data(region), size_of(E) * len(region))
}
}
/*
Marks a pointer as fully initialized.
Code instrumented with `-sanitize:memory` will be permitted to access memory
within the region the pointer points to as if it had already been initialized.
When msan is not enabled this procedure does nothing.
*/
memory_unpoison_ptr :: proc "contextless" (ptr: ^$T) {
when MSAN_ENABLED {
__msan_unpoison(ptr, size_of(T))
}
}
/*
Marks the region covering `[ptr, ptr+len)` as fully initialized.
Code instrumented with `-sanitize:memory` will be permitted to access memory
within this range as if it had already been initialized.
When msan is not enabled this procedure does nothing.
*/
memory_unpoison_rawptr :: proc "contextless" (ptr: rawptr, len: int) {
when MSAN_ENABLED {
__msan_unpoison(ptr, uint(len))
}
}
/*
Marks the region covering `[ptr, ptr+len)` as fully initialized.
Code instrumented with `-sanitize:memory` will be permitted to access memory
within this range as if it had already been initialized.
When msan is not enabled this procedure does nothing.
*/
memory_unpoison_rawptr_uint :: proc "contextless" (ptr: rawptr, len: uint) {
when MSAN_ENABLED {
__msan_unpoison(ptr, len)
}
}
memory_unpoison :: proc {
memory_unpoison_slice,
memory_unpoison_ptr,
memory_unpoison_rawptr,
memory_unpoison_rawptr_uint,
}
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