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compiler-rt: fix __clear_cache on aarch64 darwin

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Andrew Kelley 2020-03-24 11:51:13 -04:00
parent 03013e5176
commit 39589cffe0
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1 changed files with 5 additions and 3 deletions
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8
lib/std/special/compiler_rt/clear_cache.zig
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@ -146,10 +146,12 @@ pub fn clear_cache(start: usize, end: usize) callconv(.C) void {
//for (uintptr_t dword = start_dword; dword < end_dword; dword += dword_size)
// __asm__ volatile("flush %0" : : "r"(dword));
} else if (apple) {
@compileError("TODO");
//// On Darwin, sys_icache_invalidate() provides this functionality
//sys_icache_invalidate(start, end - start);
// On Darwin, sys_icache_invalidate() provides this functionality
sys_icache_invalidate(start, end - start);
} else {
@compileError("no __clear_cache implementation available for this target");
}
}
// Darwin-only
extern fn sys_icache_invalidate(start: usize, len: usize) void;