diff options
| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2016-03-18 21:06:03 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2016-03-18 21:06:03 +0000 |
| commit | c6ba55378e7008a3e3f158566202c5acfc2765c7 (patch) | |
| tree | f1f160cfbadf9b93d7fb8c87386adf416fd93cad /lib | |
| parent | 06e9031f0f5eb6f30be8c28cb2a25b8a27855994 (diff) | |
| download | compiler-rt-c6ba55378e7008a3e3f158566202c5acfc2765c7.tar.gz | |
builtins: port __clear_cache to Windows ARM
Support __clear_cache on Windows on ARM using the `FlushInstructionCache`
library call.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@263832 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/builtins/clear_cache.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/builtins/clear_cache.c b/lib/builtins/clear_cache.c index 80bebd036..752d8abe4 100644 --- a/lib/builtins/clear_cache.c +++ b/lib/builtins/clear_cache.c @@ -14,6 +14,15 @@ #if __APPLE__ #include <libkern/OSCacheControl.h> #endif + +#if defined(_WIN32) +/* Forward declare Win32 APIs since the GCC mode driver does not handle the + newer SDKs as well as needed. */ +uint32_t FlushInstructionCache(uintptr_t hProcess, void *lpBaseAddress, + uintptr_t dwSize); +uintptr_t GetCurrentProcess(void); +#endif + #if (defined(__FreeBSD__) || defined(__Bitrig__)) && defined(__arm__) #include <sys/types.h> #include <machine/sysarch.h> @@ -109,6 +118,8 @@ void __clear_cache(void *start, void *end) { if (start_reg != 0) { compilerrt_abort(); } + #elif defined(_WIN32) + FlushInstructionCache(GetCurrentProcess(), start, end - start); #else compilerrt_abort(); #endif |