diff options
Diffstat (limited to 'JavaScriptCore/jit/ExecutableAllocator.h')
| -rw-r--r-- | JavaScriptCore/jit/ExecutableAllocator.h | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/JavaScriptCore/jit/ExecutableAllocator.h b/JavaScriptCore/jit/ExecutableAllocator.h index 1fb8ff7..610b788 100644 --- a/JavaScriptCore/jit/ExecutableAllocator.h +++ b/JavaScriptCore/jit/ExecutableAllocator.h @@ -43,6 +43,10 @@ #include <e32std.h> #endif +#if CPU(MIPS) && OS(LINUX) +#include <sys/cachectl.h> +#endif + #if OS(WINCE) // From pkfuncs.h (private header file from the Platform Builder) #define CACHE_SYNC_ALL 0x07F @@ -190,6 +194,32 @@ public: static void cacheFlush(void*, size_t) { } +#elif CPU(MIPS) + static void cacheFlush(void* code, size_t size) + { +#if COMPILER(GCC) && (GCC_VERSION >= 40300) +#if WTF_MIPS_ISA_REV(2) && (GCC_VERSION < 40403) + int lineSize; + asm("rdhwr %0, $1" : "=r" (lineSize)); + // + // Modify "start" and "end" to avoid GCC 4.3.0-4.4.2 bug in + // mips_expand_synci_loop that may execute synci one more time. + // "start" points to the fisrt byte of the cache line. + // "end" points to the last byte of the line before the last cache line. + // Because size is always a multiple of 4, this is safe to set + // "end" to the last byte. + // + intptr_t start = reinterpret_cast<intptr_t>(code) & (-lineSize); + intptr_t end = ((reinterpret_cast<intptr_t>(code) + size - 1) & (-lineSize)) - 1; + __builtin___clear_cache(reinterpret_cast<char*>(start), reinterpret_cast<char*>(end)); +#else + intptr_t end = reinterpret_cast<intptr_t>(code) + size; + __builtin___clear_cache(reinterpret_cast<char*>(code), reinterpret_cast<char*>(end)); +#endif +#else + _flush_cache(reinterpret_cast<char*>(code), size, BCACHE); +#endif + } #elif CPU(ARM_THUMB2) && OS(IPHONE_OS) static void cacheFlush(void* code, size_t size) { @@ -217,7 +247,9 @@ public: { User::IMB_Range(code, static_cast<char*>(code) + size); } -#elif CPU(ARM_TRADITIONAL) && OS(LINUX) +#elif CPU(ARM_TRADITIONAL) && OS(LINUX) && COMPILER(RVCT) + static __asm void cacheFlush(void* code, size_t size); +#elif CPU(ARM_TRADITIONAL) && OS(LINUX) && COMPILER(GCC) static void cacheFlush(void* code, size_t size) { asm volatile ( |