From 9c2e0d84f84fe7c38b1e9f7a127efc540b43f5aa Mon Sep 17 00:00:00 2001 From: "Brad Payne (Vir Linden)" Date: Mon, 19 Dec 2011 18:17:18 -0500 Subject: SH-2789 WIP - various fixes to force 16-byte alignment --- indra/llcommon/llmemory.cpp | 9 +++++++++ indra/llcommon/llmemory.h | 9 ++++++--- 2 files changed, 15 insertions(+), 3 deletions(-) (limited to 'indra/llcommon') diff --git a/indra/llcommon/llmemory.cpp b/indra/llcommon/llmemory.cpp index 3b9758f996..22204e756a 100644 --- a/indra/llcommon/llmemory.cpp +++ b/indra/llcommon/llmemory.cpp @@ -61,6 +61,15 @@ BOOL LLMemory::sEnableMemoryFailurePrevention = FALSE; LLPrivateMemoryPoolManager::mem_allocation_info_t LLPrivateMemoryPoolManager::sMemAllocationTracker; #endif +void ll_assert_aligned_func(uintptr_t ptr,U32 alignment) +{ + if (ptr%alignment!=0) + { + llwarns << "alignment check failed" << llendl; + } + llassert(ptr%alignment==0); +} + //static void LLMemory::initClass() { diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h index baf91bb96d..c61d06e924 100755 --- a/indra/llcommon/llmemory.h +++ b/indra/llcommon/llmemory.h @@ -27,7 +27,7 @@ #define LLMEMORY_H #include "llmemtype.h" -#if LL_DEBUG +#if !LL_USE_TCMALLOC inline void* ll_aligned_malloc( size_t size, int align ) { void* mem = malloc( size + (align - 1) + sizeof(void*) ); @@ -94,7 +94,8 @@ inline void ll_aligned_free_32(void *p) free(p); // posix_memalign() is compatible with heap deallocator #endif } -#else // LL_DEBUG + +#else // USE_TCMALLOC // ll_aligned_foo are noops now that we use tcmalloc everywhere (tcmalloc aligns automatically at appropriate intervals) #define ll_aligned_malloc( size, align ) malloc(size) #define ll_aligned_free( ptr ) free(ptr) @@ -514,8 +515,10 @@ void LLPrivateMemoryPoolTester::operator delete[](void* addr) #define CHECK_ALIGNMENT +LL_COMMON_API void ll_assert_aligned_func(uintptr_t ptr,U32 alignment); + #ifdef CHECK_ALIGNMENT -#define ll_assert_aligned(ptr,alignment) llassert((reinterpret_cast(ptr))%(alignment) == 0) +#define ll_assert_aligned(ptr,alignment) ll_assert_aligned_func(reinterpret_cast(ptr),((U32)alignment)) #else #define ll_assert_aligned(ptr,alignment) #endif -- cgit v1.2.3