1 files changed, 56 insertions, 0 deletions
diff --git a/src/pal/src/include/pal/utils.h b/src/pal/src/include/pal/utils.h
index 3ddad4ae2f..f381d957ab 100644
--- a/src/pal/src/include/pal/utils.h
+++ b/src/pal/src/include/pal/utils.h
@@ -20,10 +20,66 @@ Abstract:
 #ifndef _PAL_UTILS_H_
 #define _PAL_UTILS_H_
 
+#include <stdint.h>
+
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// Alignment helpers (copied for PAL use from stdmacros.h)
+
+inline size_t ALIGN_UP(size_t val, size_t alignment)
+{
+    // alignment must be a power of 2 for this implementation to work (need modulo otherwise)
+    _ASSERTE(0 == (alignment & (alignment - 1)));
+    size_t result = (val + (alignment - 1)) & ~(alignment - 1);
+    _ASSERTE(result >= val);      // check for overflow
+    return result;
+}
+
+inline void* ALIGN_UP(void* val, size_t alignment)
+{
+    return (void*)ALIGN_UP((size_t)val, alignment);
+}
+
+inline uint8_t* ALIGN_UP(uint8_t* val, size_t alignment)
+{
+    return (uint8_t*)ALIGN_UP((size_t)val, alignment);
+}
+
+inline size_t ALIGN_DOWN(size_t val, size_t alignment)
+{
+    // alignment must be a power of 2 for this implementation to work (need modulo otherwise)
+    _ASSERTE(0 == (alignment & (alignment - 1)));
+    size_t result = val & ~(alignment - 1);
+    return result;
+}
+
+inline void* ALIGN_DOWN(void* val, size_t alignment)
+{
+    return (void*)ALIGN_DOWN((size_t)val, alignment);
+}
+
+inline uint8_t* ALIGN_DOWN(uint8_t* val, size_t alignment)
+{
+    return (uint8_t*)ALIGN_DOWN((size_t)val, alignment);
+}
+
+inline BOOL IS_ALIGNED(size_t val, size_t alignment)
+{
+    // alignment must be a power of 2 for this implementation to work (need modulo otherwise)
+    _ASSERTE(0 == (alignment & (alignment - 1)));
+    return 0 == (val & (alignment - 1));
+}
+
+inline BOOL IS_ALIGNED(const void* val, size_t alignment)
+{
+    return IS_ALIGNED((size_t)val, alignment);
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 #ifdef __cplusplus
 extern "C"
 {