diff options
Diffstat (limited to 'erts/emulator/beam/erl_term.h')
| -rw-r--r-- | erts/emulator/beam/erl_term.h | 82 |
1 files changed, 12 insertions, 70 deletions
diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h index 90e35151b0..46900edfc7 100644 --- a/erts/emulator/beam/erl_term.h +++ b/erts/emulator/beam/erl_term.h @@ -21,33 +21,12 @@ #ifndef __ERL_TERM_H #define __ERL_TERM_H -#include "sys.h" /* defines HALFWORD_HEAP */ - typedef UWord Wterm; /* Full word terms */ -#if HALFWORD_HEAP -# define HEAP_ON_C_STACK 0 -# if HALFWORD_ASSERT -# ifdef ET_DEBUG -# undef ET_DEBUG -# endif -# define ET_DEBUG 1 -# endif -# if 1 -# define CHECK_POINTER_MASK 0xFFFFFFFF00000000UL -# define COMPRESS_POINTER(APointer) ((Eterm) (UWord) (APointer)) -# define EXPAND_POINTER(AnEterm) ((UWord) (AnEterm)) -# else -# define CHECK_POINTER_MASK 0x0UL -# define COMPRESS_POINTER(AnUint) (AnUint) -# define EXPAND_POINTER(APointer) (APointer) -# endif -#else -# define HEAP_ON_C_STACK 1 -# define CHECK_POINTER_MASK 0x0UL -# define COMPRESS_POINTER(AnUint) (AnUint) -# define EXPAND_POINTER(APointer) (APointer) -#endif +#define HEAP_ON_C_STACK 1 +#define CHECK_POINTER_MASK 0x0UL +#define COMPRESS_POINTER(AnUint) (AnUint) +#define EXPAND_POINTER(APointer) (APointer) struct erl_node_; /* Declared in erl_node_tables.h */ @@ -190,13 +169,10 @@ struct erl_node_; /* Declared in erl_node_tables.h */ /* boxed object access methods */ -#if HALFWORD_HEAP -#define _is_taggable_pointer(x) (((UWord)(x) & (CHECK_POINTER_MASK | 0x3)) == 0) -#define _boxed_precond(x) (is_boxed(x)) -#else + #define _is_taggable_pointer(x) (((Uint)(x) & 0x3) == 0) #define _boxed_precond(x) (is_boxed(x)) -#endif + #define _is_aligned(x) (((Uint)(x) & 0x3) == 0) #define _unchecked_make_boxed(x) ((Uint) COMPRESS_POINTER(x) + TAG_PRIMARY_BOXED) _ET_DECLARE_CHECKED(Eterm,make_boxed,const Eterm*) @@ -226,11 +202,7 @@ _ET_DECLARE_CHECKED(int,is_not_list,Eterm) #define is_list(x) (((x) & _TAG_PRIMARY_MASK) == TAG_PRIMARY_LIST) #define is_not_list(x) (!is_list((x))) #endif -#if HALFWORD_HEAP #define _list_precond(x) (is_list(x)) -#else -#define _list_precond(x) (is_list(x)) -#endif #define _unchecked_list_val(x) ((Eterm*) EXPAND_POINTER((x) - TAG_PRIMARY_LIST)) _ET_DECLARE_CHECKED(Eterm*,list_val,Wterm) #define list_val(x) _ET_APPLY(list_val,(x)) @@ -250,7 +222,7 @@ _ET_DECLARE_CHECKED(Eterm*,list_val,Wterm) #define byte_offset_ptr(x,offs) _unchecked_byte_offset_ptr(x,offs) /*XXX*/ /* fixnum ("small") access methods */ -#if defined(ARCH_64) && !HALFWORD_HEAP +#if defined(ARCH_64) #define SMALL_BITS (64-4) #define SMALL_DIGITS (17) #else @@ -396,11 +368,7 @@ _ET_DECLARE_CHECKED(Eterm*,fun_val,Wterm) _ET_DECLARE_CHECKED(Eterm*,export_val,Wterm) #define export_val(x) _ET_APPLY(export_val,(x)) #define is_export_header(x) ((x) == HEADER_EXPORT) -#if HALFWORD_HEAP -#define HEADER_EXPORT _make_header(2,_TAG_HEADER_EXPORT) -#else #define HEADER_EXPORT _make_header(1,_TAG_HEADER_EXPORT) -#endif /* bignum access methods */ #define make_pos_bignum_header(sz) _make_header((sz),_TAG_HEADER_POS_BIG) @@ -424,7 +392,7 @@ _ET_DECLARE_CHECKED(Eterm*,big_val,Wterm) #define big_val(x) _ET_APPLY(big_val,(x)) /* flonum ("float") access methods */ -#if defined(ARCH_64) && !HALFWORD_HEAP +#if defined(ARCH_64) #define HEADER_FLONUM _make_header(1,_TAG_HEADER_FLOAT) #else #define HEADER_FLONUM _make_header(2,_TAG_HEADER_FLOAT) @@ -445,12 +413,12 @@ typedef union float_def byte fb[sizeof(ieee754_8)]; Uint16 fs[sizeof(ieee754_8) / sizeof(Uint16)]; Uint32 fw[sizeof(ieee754_8) / sizeof(Uint32)]; -#if defined(ARCH_64) && !HALFWORD_HEAP +#if defined(ARCH_64) Uint fdw; #endif } FloatDef; -#if defined(ARCH_64) && !HALFWORD_HEAP +#if defined(ARCH_64) #define FLOAT_VAL_GET_DOUBLE(fval, f) (f).fdw = *((fval)+1) @@ -727,7 +695,7 @@ _ET_DECLARE_CHECKED(struct erl_node_*,internal_port_node,Eterm) #define ERTS_MAX_REF_NUMBERS 3 #define ERTS_REF_NUMBERS ERTS_MAX_REF_NUMBERS -#if defined(ARCH_64) && !HALFWORD_HEAP +#if defined(ARCH_64) # define ERTS_REF_WORDS (ERTS_REF_NUMBERS/2 + 1) # define ERTS_REF_32BIT_WORDS (ERTS_REF_NUMBERS+1) #else @@ -749,7 +717,7 @@ typedef struct { #define make_ref_thing_header(DW) \ _make_header((DW)+REF_THING_HEAD_SIZE-1,_TAG_HEADER_REF) -#if defined(ARCH_64) && !HALFWORD_HEAP +#if defined(ARCH_64) /* * Ref layout on a 64-bit little endian machine: @@ -1159,17 +1127,9 @@ extern unsigned tag_val_def(Wterm); #define FLOAT_BIG _NUMBER_CODE(FLOAT_DEF,BIG_DEF) #define FLOAT_FLOAT _NUMBER_CODE(FLOAT_DEF,FLOAT_DEF) -#if HALFWORD_HEAP -#define ptr2rel(PTR,BASE) ((Eterm*)((char*)(PTR) - (char*)(BASE))) -#define rterm2wterm(REL,BASE) ((Wterm)(REL) + (Wterm)(BASE)) - -#else /* HALFWORD_HEAP */ - #define ptr2rel(PTR,BASE) (PTR) #define rterm2wterm(REL,BASE) (REL) -#endif /* !HALFWORD_HEAP */ - #define make_list_rel(PTR, BASE) make_list(ptr2rel(PTR,BASE)) #define make_boxed_rel(PTR, BASE) make_boxed(ptr2rel(PTR,BASE)) #define make_fun_rel make_boxed_rel @@ -1216,25 +1176,7 @@ extern unsigned tag_val_def(Wterm); #define external_node_rel(RTERM,BASE) external_node(rterm2wterm(RTERM,BASE)) - -#if HALFWORD_HEAP -ERTS_GLB_INLINE int is_same(Eterm a, Eterm* a_base, Eterm b, Eterm* b_base); - -#if ERTS_GLB_INLINE_INCL_FUNC_DEF -ERTS_GLB_INLINE int is_same(Eterm a, Eterm* a_base, Eterm b, Eterm* b_base) -{ - /* If bases differ, assume a and b are on different "heaps", - ie can only be same if immed */ - ASSERT(a_base == b_base || is_immed(a) || is_immed(b) - || rterm2wterm(a,a_base) != rterm2wterm(b,b_base)); - - return a == b && (a_base == b_base || is_immed(a)); -} -#endif - -#else /* !HALFWORD_HEAP */ #define is_same(A,A_BASE,B,B_BASE) ((A)==(B)) -#endif #endif /* __ERL_TERM_H */ |