[Support] Use zx_cache_flush on Fuchsia to flush instruction cache
Fuchsia doesn't use __clear_cache, instead it provide zx_cache_flush system call. Use it to flush instruction cache. Differential Revision: https://reviews.llvm.org/D47753 llvm-svn: 334068
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@ -25,6 +25,10 @@
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#include <mach/mach.h>
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#endif
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#ifdef __Fuchsia__
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#include <zircon/syscalls.h>
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#endif
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#if defined(__mips__)
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# if defined(__OpenBSD__)
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# include <mips64/sysarch.h>
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@ -33,7 +37,7 @@
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# endif
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#endif
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#ifdef __APPLE__
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#if defined(__APPLE__)
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extern "C" void sys_icache_invalidate(const void *Addr, size_t len);
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#else
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extern "C" void __clear_cache(void *, void*);
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@ -206,6 +210,11 @@ void Memory::InvalidateInstructionCache(const void *Addr,
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sys_icache_invalidate(const_cast<void *>(Addr), Len);
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# endif
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#elif defined(__Fuchsia__)
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zx_status_t Status = zx_cache_flush(Addr, Len, ZX_CACHE_FLUSH_INSN);
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assert(Status == ZX_OK && "cannot invalidate instruction cache");
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#else
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# if (defined(__POWERPC__) || defined (__ppc__) || \
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