diff options
| author | Petr Hosek <phosek@chromium.org> | 2018-06-06 06:26:18 +0000 |
|---|---|---|
| committer | Petr Hosek <phosek@chromium.org> | 2018-06-06 06:26:18 +0000 |
| commit | fc9b29bd617922a9c6fc3b602e075b353f5c2395 (patch) | |
| tree | 77e61283544cbaddf330de5d8aa4b3618c32edaf /llvm/lib/Support/Unix/Memory.inc | |
| parent | a7d25d5934409cdf5ef00b10cb3216bc338a88e2 (diff) | |
| download | bcm5719-llvm-fc9b29bd617922a9c6fc3b602e075b353f5c2395.tar.gz bcm5719-llvm-fc9b29bd617922a9c6fc3b602e075b353f5c2395.zip | |
[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
Diffstat (limited to 'llvm/lib/Support/Unix/Memory.inc')
| -rw-r--r-- | llvm/lib/Support/Unix/Memory.inc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/Support/Unix/Memory.inc b/llvm/lib/Support/Unix/Memory.inc index cc5a43cd282..adbfff2f59a 100644 --- a/llvm/lib/Support/Unix/Memory.inc +++ b/llvm/lib/Support/Unix/Memory.inc @@ -25,6 +25,10 @@ #include <mach/mach.h> #endif +#ifdef __Fuchsia__ +#include <zircon/syscalls.h> +#endif + #if defined(__mips__) # if defined(__OpenBSD__) # include <mips64/sysarch.h> @@ -33,7 +37,7 @@ # endif #endif -#ifdef __APPLE__ +#if defined(__APPLE__) extern "C" void sys_icache_invalidate(const void *Addr, size_t len); #else extern "C" void __clear_cache(void *, void*); @@ -206,6 +210,11 @@ void Memory::InvalidateInstructionCache(const void *Addr, sys_icache_invalidate(const_cast<void *>(Addr), Len); # endif +#elif defined(__Fuchsia__) + + zx_status_t Status = zx_cache_flush(Addr, Len, ZX_CACHE_FLUSH_INSN); + assert(Status == ZX_OK && "cannot invalidate instruction cache"); + #else # if (defined(__POWERPC__) || defined (__ppc__) || \ |
