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-rw-r--r--erts/emulator/beam/erl_term.h166
1 files changed, 130 insertions, 36 deletions
diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h
index 815cc1beae..1d75fa313c 100644
--- a/erts/emulator/beam/erl_term.h
+++ b/erts/emulator/beam/erl_term.h
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2000-2010. All Rights Reserved.
+ * Copyright Ericsson AB 2000-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -22,6 +22,8 @@
#include "sys.h" /* defines HALFWORD_HEAP */
+typedef UWord Wterm; /* Full word terms */
+
#if HALFWORD_HEAP
# define HEAP_ON_C_STACK 0
# if HALFWORD_ASSERT
@@ -204,7 +206,7 @@ _ET_DECLARE_CHECKED(int,is_boxed,Eterm)
#define is_boxed(x) (((x) & _TAG_PRIMARY_MASK) == TAG_PRIMARY_BOXED)
#endif
#define _unchecked_boxed_val(x) ((Eterm*) EXPAND_POINTER(((x) - TAG_PRIMARY_BOXED)))
-_ET_DECLARE_CHECKED(Eterm*,boxed_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,boxed_val,Wterm)
#define boxed_val(x) _ET_APPLY(boxed_val,(x))
/* cons cell ("list") access methods */
@@ -226,7 +228,7 @@ _ET_DECLARE_CHECKED(int,is_not_list,Eterm)
#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,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,list_val,Wterm)
#define list_val(x) _ET_APPLY(list_val,(x))
#define CONS(hp, car, cdr) \
@@ -240,6 +242,8 @@ _ET_DECLARE_CHECKED(Eterm*,list_val,Eterm)
#define ptr_val(x) _unchecked_ptr_val((x)) /*XXX*/
#define _unchecked_offset_ptr(x,offs) ((x)+((offs)*sizeof(Eterm)))
#define offset_ptr(x,offs) _unchecked_offset_ptr(x,offs) /*XXX*/
+#define _unchecked_byte_offset_ptr(x,byte_offs) ((x)+(offs))
+#define byte_offset_ptr(x,offs) _unchecked_byte_offset_ptr(x,offs) /*XXX*/
/* fixnum ("small") access methods */
#if defined(ARCH_64) && !HALFWORD_HEAP
@@ -305,6 +309,7 @@ _ET_DECLARE_CHECKED(Uint,arityval,Eterm)
/* thing access methods */
#define is_thing(x) (is_header((x)) && header_is_thing((x)))
+#define is_thing_ptr(t) (is_thing((t)->header))
#define _unchecked_thing_arityval(x) _unchecked_header_arity((x))
_ET_DECLARE_CHECKED(Uint,thing_arityval,Eterm)
#define thing_arityval(x) _ET_APPLY(thing_arityval,(x))
@@ -339,7 +344,7 @@ _ET_DECLARE_CHECKED(Uint,thing_subtag,Eterm)
#define is_binary(x) (is_boxed((x)) && is_binary_header(*boxed_val((x))))
#define is_not_binary(x) (!is_binary((x)))
#define _unchecked_binary_val(x) _unchecked_boxed_val((x))
-_ET_DECLARE_CHECKED(Eterm*,binary_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,binary_val,Wterm)
#define binary_val(x) _ET_APPLY(binary_val,(x))
/* process binaries stuff (special case of binaries) */
@@ -356,7 +361,7 @@ _ET_DECLARE_CHECKED(Eterm*,binary_val,Eterm)
#define is_fun(x) (is_boxed((x)) && is_fun_header(*boxed_val((x))))
#define is_not_fun(x) (!is_fun((x)))
#define _unchecked_fun_val(x) _unchecked_boxed_val((x))
-_ET_DECLARE_CHECKED(Eterm*,fun_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,fun_val,Wterm)
#define fun_val(x) _ET_APPLY(fun_val,(x))
/* export access methods */
@@ -364,7 +369,7 @@ _ET_DECLARE_CHECKED(Eterm*,fun_val,Eterm)
#define is_export(x) (is_boxed((x)) && is_export_header(*boxed_val((x))))
#define is_not_export(x) (!is_export((x)))
#define _unchecked_export_val(x) _unchecked_boxed_val(x)
-_ET_DECLARE_CHECKED(Eterm*,export_val,Eterm)
+_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
@@ -391,7 +396,7 @@ _ET_DECLARE_CHECKED(Uint,bignum_header_arity,Eterm)
#define is_big(x) (is_boxed((x)) && _is_bignum_header(*boxed_val((x))))
#define is_not_big(x) (!is_big((x)))
#define _unchecked_big_val(x) _unchecked_boxed_val((x))
-_ET_DECLARE_CHECKED(Eterm*,big_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,big_val,Wterm)
#define big_val(x) _ET_APPLY(big_val,(x))
/* flonum ("float") access methods */
@@ -404,7 +409,7 @@ _ET_DECLARE_CHECKED(Eterm*,big_val,Eterm)
#define is_float(x) (is_boxed((x)) && *boxed_val((x)) == HEADER_FLONUM)
#define is_not_float(x) (!is_float(x))
#define _unchecked_float_val(x) _unchecked_boxed_val((x))
-_ET_DECLARE_CHECKED(Eterm*,float_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,float_val,Wterm)
#define float_val(x) _ET_APPLY(float_val,(x))
/* Float definition for byte and word access */
@@ -422,15 +427,16 @@ typedef union float_def
} FloatDef;
#if defined(ARCH_64) && !HALFWORD_HEAP
-#define GET_DOUBLE(x, f) (f).fdw = *(float_val(x)+1)
+
+#define FLOAT_VAL_GET_DOUBLE(fval, f) (f).fdw = *((fval)+1)
#define PUT_DOUBLE(f, x) *(x) = HEADER_FLONUM, \
*((x)+1) = (f).fdw
#define GET_DOUBLE_DATA(p, f) (f).fdw = *((Uint *) (p))
#define PUT_DOUBLE_DATA(f,p) *((Uint *) (p)) = (f).fdw
#else
-#define GET_DOUBLE(x, f) (f).fw[0] = *(float_val(x)+1), \
- (f).fw[1] = *(float_val(x)+2)
+#define FLOAT_VAL_GET_DOUBLE(fval, f) (f).fw[0] = *((fval)+1), \
+ (f).fw[1] = *((fval)+2)
#define PUT_DOUBLE(f, x) *(x) = HEADER_FLONUM, \
*((x)+1) = (f).fw[0], \
@@ -440,6 +446,9 @@ typedef union float_def
#define PUT_DOUBLE_DATA(f,p) *((Uint *) (p)) = (f).fw[0],\
*(((Uint *) (p))+1) = (f).fw[1]
#endif
+
+#define GET_DOUBLE(x, f) FLOAT_VAL_GET_DOUBLE(float_val(x), f)
+
#define DOUBLE_DATA_WORDS (sizeof(ieee754_8)/sizeof(Eterm))
#define FLOAT_SIZE_OBJECT (DOUBLE_DATA_WORDS+1)
@@ -451,7 +460,7 @@ typedef union float_def
(is_boxed((x)) && *boxed_val((x)) == make_arityval((a)))
#define is_not_tuple_arity(x, a) (!is_tuple_arity((x),(a)))
#define _unchecked_tuple_val(x) _unchecked_boxed_val(x)
-_ET_DECLARE_CHECKED(Eterm*,tuple_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,tuple_val,Wterm)
#define tuple_val(x) _ET_APPLY(tuple_val,(x))
#define TUPLE0(t) \
@@ -790,21 +799,24 @@ do { \
((RefThing*) internal_ref_val(x))
#define is_internal_ref(x) \
- (_unchecked_is_boxed((x)) && is_ref_thing_header(*boxed_val((x))))
+ (_unchecked_is_boxed((x)) && is_ref_thing_header(*boxed_val((x))))
+
#define is_not_internal_ref(x) \
(!is_internal_ref((x)))
#define _unchecked_internal_ref_val(x) _unchecked_boxed_val((x))
-_ET_DECLARE_CHECKED(Eterm*,internal_ref_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,internal_ref_val,Wterm)
#define internal_ref_val(x) _ET_APPLY(internal_ref_val,(x))
+#define internal_thing_ref_data_words(t) (thing_arityval(*(Eterm*)(t)))
#define _unchecked_internal_ref_data_words(x) \
(_unchecked_thing_arityval(*_unchecked_internal_ref_val(x)))
-_ET_DECLARE_CHECKED(Uint,internal_ref_data_words,Eterm)
+_ET_DECLARE_CHECKED(Uint,internal_ref_data_words,Wterm)
#define internal_ref_data_words(x) _ET_APPLY(internal_ref_data_words,(x))
-#define _unchecked_internal_ref_data(x) (_unchecked_ref_thing_ptr(x)->data.ui32)
-_ET_DECLARE_CHECKED(Uint32*,internal_ref_data,Eterm)
+#define internal_thing_ref_data(thing) ((thing)->data.ui32)
+#define _unchecked_internal_ref_data(x) (internal_thing_ref_data(_unchecked_ref_thing_ptr(x)))
+_ET_DECLARE_CHECKED(Uint32*,internal_ref_data,Wterm)
#define internal_ref_data(x) _ET_APPLY(internal_ref_data,(x))
#define _unchecked_internal_ref_node(x) erts_this_node
@@ -889,14 +901,14 @@ typedef struct external_thing_ {
#define is_external_header(x) \
(((x) & (_TAG_HEADER_MASK-_BINARY_XXX_MASK)) == _TAG_HEADER_EXTERNAL_PID)
-#define is_external(x) \
- (is_boxed((x)) && is_external_header(*boxed_val((x))))
+#define is_external(x) (is_boxed((x)) && is_external_header(*boxed_val((x))))
+
#define is_external_pid(x) \
(is_boxed((x)) && is_external_pid_header(*boxed_val((x))))
#define is_external_port(x) \
- (is_boxed((x)) && is_external_port_header(*boxed_val((x))))
-#define is_external_ref(x) \
- (_unchecked_is_boxed((x)) && is_external_ref_header(*boxed_val((x))))
+ (is_boxed((x)) && is_external_port_header(*boxed_val((x))))
+
+#define is_external_ref(x) (_unchecked_is_boxed((x)) && is_external_ref_header(*boxed_val((x))))
#define _unchecked_is_external(x) \
(_unchecked_is_boxed((x)) && is_external_header(*_unchecked_boxed_val((x))))
@@ -914,17 +926,21 @@ typedef struct external_thing_ {
#define make_external_ref make_external
#define _unchecked_external_val(x) _unchecked_boxed_val((x))
-_ET_DECLARE_CHECKED(Eterm*,external_val,Eterm)
+_ET_DECLARE_CHECKED(Eterm*,external_val,Wterm)
#define external_val(x) _ET_APPLY(external_val,(x))
#define external_thing_ptr(x) ((ExternalThing *) external_val((x)))
#define _unchecked_external_thing_ptr(x) \
((ExternalThing *) _unchecked_external_val((x)))
+#define _unchecked_external_thing_data_words(thing) \
+ (_unchecked_thing_arityval((thing)->header) + (1 - EXTERNAL_THING_HEAD_SIZE))
+_ET_DECLARE_CHECKED(Uint,external_thing_data_words,ExternalThing*)
+#define external_thing_data_words(thing) _ET_APPLY(external_thing_data_words,(thing))
+
#define _unchecked_external_data_words(x) \
- (_unchecked_thing_arityval(_unchecked_external_thing_ptr((x))->header) \
- + (1 - EXTERNAL_THING_HEAD_SIZE))
-_ET_DECLARE_CHECKED(Uint,external_data_words,Eterm)
+ _unchecked_external_thing_data_words(_unchecked_external_thing_ptr((x)))
+_ET_DECLARE_CHECKED(Uint,external_data_words,Wterm)
#define external_data_words(x) _ET_APPLY(external_data_words,(x))
#define _unchecked_external_data(x) (_unchecked_external_thing_ptr((x))->data.ui)
@@ -935,15 +951,15 @@ _ET_DECLARE_CHECKED(Uint,external_data_words,Eterm)
#define _unchecked_external_pid_data_words(x) \
_unchecked_external_data_words((x))
-_ET_DECLARE_CHECKED(Uint,external_pid_data_words,Eterm)
+_ET_DECLARE_CHECKED(Uint,external_pid_data_words,Wterm)
#define external_pid_data_words(x) _ET_APPLY(external_pid_data_words,(x))
#define _unchecked_external_pid_data(x) _unchecked_external_data((x))[0]
-_ET_DECLARE_CHECKED(Uint,external_pid_data,Eterm)
+_ET_DECLARE_CHECKED(Uint,external_pid_data,Wterm)
#define external_pid_data(x) _ET_APPLY(external_pid_data,(x))
#define _unchecked_external_pid_node(x) _unchecked_external_node((x))
-_ET_DECLARE_CHECKED(struct erl_node_*,external_pid_node,Eterm)
+_ET_DECLARE_CHECKED(struct erl_node_*,external_pid_node,Wterm)
#define external_pid_node(x) _ET_APPLY(external_pid_node,(x))
#define external_pid_number(x) _GET_PID_NUM(external_pid_data((x)))
@@ -951,27 +967,29 @@ _ET_DECLARE_CHECKED(struct erl_node_*,external_pid_node,Eterm)
#define _unchecked_external_port_data_words(x) \
_unchecked_external_data_words((x))
-_ET_DECLARE_CHECKED(Uint,external_port_data_words,Eterm)
+_ET_DECLARE_CHECKED(Uint,external_port_data_words,Wterm)
#define external_port_data_words(x) _ET_APPLY(external_port_data_words,(x))
#define _unchecked_external_port_data(x) _unchecked_external_data((x))[0]
-_ET_DECLARE_CHECKED(Uint,external_port_data,Eterm)
+_ET_DECLARE_CHECKED(Uint,external_port_data,Wterm)
#define external_port_data(x) _ET_APPLY(external_port_data,(x))
#define _unchecked_external_port_node(x) _unchecked_external_node((x))
-_ET_DECLARE_CHECKED(struct erl_node_*,external_port_node,Eterm)
+_ET_DECLARE_CHECKED(struct erl_node_*,external_port_node,Wterm)
#define external_port_node(x) _ET_APPLY(external_port_node,(x))
#define external_port_number(x) _GET_PORT_NUM(external_port_data((x)))
#define _unchecked_external_ref_data_words(x) \
_unchecked_external_data_words((x))
-_ET_DECLARE_CHECKED(Uint,external_ref_data_words,Eterm)
+_ET_DECLARE_CHECKED(Uint,external_ref_data_words,Wterm)
#define external_ref_data_words(x) _ET_APPLY(external_ref_data_words,(x))
+#define external_thing_ref_data_words(thing) external_thing_data_words(thing)
#define _unchecked_external_ref_data(x) (_unchecked_external_thing_ptr((x))->data.ui32)
-_ET_DECLARE_CHECKED(Uint32*,external_ref_data,Eterm)
+_ET_DECLARE_CHECKED(Uint32*,external_ref_data,Wterm)
#define external_ref_data(x) _ET_APPLY(external_ref_data,(x))
+#define external_thing_ref_data(thing) ((thing)->data.ui32)
#define _unchecked_external_ref_node(x) _unchecked_external_node((x))
_ET_DECLARE_CHECKED(struct erl_node_*,external_ref_node,Eterm)
@@ -1083,10 +1101,10 @@ _ET_DECLARE_CHECKED(Uint,y_reg_index,Uint)
#define SMALL_DEF 0xf
#if ET_DEBUG
-extern unsigned tag_val_def_debug(Eterm, const char*, unsigned);
+extern unsigned tag_val_def_debug(Wterm, const char*, unsigned);
#define tag_val_def(x) tag_val_def_debug((x),__FILE__,__LINE__)
#else
-extern unsigned tag_val_def(Eterm);
+extern unsigned tag_val_def(Wterm);
#endif
#define not_eq_tags(X,Y) (tag_val_def((X)) ^ tag_val_def((Y)))
@@ -1102,5 +1120,81 @@ extern unsigned tag_val_def(Eterm);
#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
+#define make_binary_rel make_boxed_rel
+#define make_tuple_rel make_boxed_rel
+#define make_external_rel make_boxed_rel
+#define make_internal_ref_rel make_boxed_rel
+
+#define binary_val_rel(RTERM, BASE) binary_val(rterm2wterm(RTERM, BASE))
+#define list_val_rel(RTERM, BASE) list_val(rterm2wterm(RTERM, BASE))
+#define boxed_val_rel(RTERM, BASE) boxed_val(rterm2wterm(RTERM, BASE))
+#define tuple_val_rel(RTERM, BASE) tuple_val(rterm2wterm(RTERM, BASE))
+#define export_val_rel(RTERM, BASE) export_val(rterm2wterm(RTERM, BASE))
+#define fun_val_rel(RTERM, BASE) fun_val(rterm2wterm(RTERM, BASE))
+#define big_val_rel(RTERM,BASE) big_val(rterm2wterm(RTERM,BASE))
+#define float_val_rel(RTERM,BASE) float_val(rterm2wterm(RTERM,BASE))
+#define internal_ref_val_rel(RTERM,BASE) internal_ref_val(rterm2wterm(RTERM,BASE))
+
+#define external_thing_ptr_rel(RTERM, BASE) external_thing_ptr(rterm2wterm(RTERM, BASE))
+#define external_data_words_rel(RTERM,BASE) external_data_words(rterm2wterm(RTERM,BASE))
+
+#define external_port_node_rel(RTERM,BASE) external_port_node(rterm2wterm(RTERM,BASE))
+#define external_port_data_rel(RTERM,BASE) external_port_data(rterm2wterm(RTERM,BASE))
+
+#define is_external_pid_rel(RTERM,BASE) is_external_pid(rterm2wterm(RTERM,BASE))
+#define external_pid_node_rel(RTERM,BASE) external_pid_node(rterm2wterm(RTERM,BASE))
+#define external_pid_data_rel(RTERM,BASE) external_pid_data(rterm2wterm(RTERM,BASE))
+
+#define is_binary_rel(RTERM,BASE) is_binary(rterm2wterm(RTERM,BASE))
+#define is_float_rel(RTERM,BASE) is_float(rterm2wterm(RTERM,BASE))
+#define is_fun_rel(RTERM,BASE) is_fun(rterm2wterm(RTERM,BASE))
+#define is_big_rel(RTERM,BASE) is_big(rterm2wterm(RTERM,BASE))
+#define is_export_rel(RTERM,BASE) is_export(rterm2wterm(RTERM,BASE))
+#define is_tuple_rel(RTERM,BASE) is_tuple(rterm2wterm(RTERM,BASE))
+
+#define GET_DOUBLE_REL(RTERM, f, BASE) GET_DOUBLE(rterm2wterm(RTERM,BASE), f)
+
+#define ref_thing_ptr_rel(RTERM,BASE) ref_thing_ptr(rterm2wterm(RTERM,BASE))
+#define is_internal_ref_rel(RTERM,BASE) is_internal_ref(rterm2wterm(RTERM,BASE))
+#define is_external_rel(RTERM,BASE) is_external(rterm2wterm(RTERM,BASE))
+#define is_external_port_rel(RTERM,BASE) is_external_port(rterm2wterm(RTERM,BASE))
+#define is_external_ref_rel(RTERM,BASE) is_external_ref(rterm2wterm(RTERM,BASE))
+
+#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 */