diff options
Diffstat (limited to 'erts/emulator/beam/sys.h')
| -rw-r--r-- | erts/emulator/beam/sys.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 0d3b910278..12313f0984 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -244,9 +244,11 @@ int real_printf(const char *fmt, ...); #if SIZEOF_VOID_P == 8 #undef ARCH_32 #define ARCH_64 +#define ERTS_SIZEOF_TERM 8 #elif SIZEOF_VOID_P == 4 #define ARCH_32 #undef ARCH_64 +#define ERTS_SIZEOF_TERM 4 #else #error Neither 32 nor 64 bit architecture #endif @@ -254,6 +256,8 @@ int real_printf(const char *fmt, ...); # define HALFWORD_HEAP 1 # define HALFWORD_ASSERT 0 # define ASSERT_HALFWORD(COND) ASSERT(COND) +# undef ERTS_SIZEOF_TERM +# define ERTS_SIZEOF_TERM 4 #else # define HALFWORD_HEAP 0 # define HALFWORD_ASSERT 0 @@ -380,6 +384,27 @@ typedef unsigned char byte; #error 64-bit architecture, but no appropriate type to use for Uint64 and Sint64 found #endif +#ifdef WORDS_BIGENDIAN +# define ERTS_HUINT_HVAL_HIGH 0 +# define ERTS_HUINT_HVAL_LOW 1 +#else +# define ERTS_HUINT_HVAL_HIGH 1 +# define ERTS_HUINT_HVAL_LOW 0 +#endif +#if ERTS_SIZEOF_TERM == 8 +typedef union { + Uint val; + Uint32 hval[2]; +} HUint; +#elif ERTS_SIZEOF_TERM == 4 +typedef union { + Uint val; + Uint16 hval[2]; +} HUint; +#else +#error "Unsupported size of term" +#endif + # define ERTS_EXTRA_DATA_ALIGN_SZ(X) \ (((size_t) 8) - (((size_t) (X)) & ((size_t) 7))) |