diff options
Diffstat (limited to 'erts/emulator/beam/erl_term.h')
| -rw-r--r-- | erts/emulator/beam/erl_term.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h index 842802f8d9..18483fca35 100644 --- a/erts/emulator/beam/erl_term.h +++ b/erts/emulator/beam/erl_term.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2000-2017. All Rights Reserved. + * Copyright Ericsson AB 2000-2018. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -55,9 +55,6 @@ struct erl_node_; /* Declared in erl_node_tables.h */ #if defined(ARCH_64) # define TAG_PTR_MASK__ 0x7 # if !defined(ERTS_HAVE_OS_PHYSICAL_MEMORY_RESERVATION) -# ifdef HIPE -# error Hipe on 64-bit needs a real mmap as it does not support the literal tag -# endif # define TAG_LITERAL_PTR 0x4 # else # undef TAG_LITERAL_PTR @@ -270,7 +267,6 @@ _ET_DECLARE_CHECKED(Eterm*,list_val,Wterm) #define is_byte(x) (((x) & ((~(Uint)0 << (_TAG_IMMED1_SIZE+8)) + _TAG_IMMED1_MASK)) == _TAG_IMMED1_SMALL) #define is_valid_bit_size(x) (((Sint)(x)) >= 0 && ((x) & 0x7F) == _TAG_IMMED1_SMALL) #define is_not_valid_bit_size(x) (!is_valid_bit_size((x))) -#define MY_IS_SSMALL(x) (((Uint) ((((x)) >> (SMALL_BITS-1)) + 1)) < 2) #define _unchecked_unsigned_val(x) ((x) >> _TAG_IMMED1_SIZE) _ET_DECLARE_CHECKED(Uint,unsigned_val,Eterm) #define unsigned_val(x) _ET_APPLY(unsigned_val,(x)) @@ -317,7 +313,8 @@ _ET_DECLARE_CHECKED(Uint,header_arity,Eterm) #define MAX_ARITYVAL ((((Uint)1) << 24) - 1) #define ERTS_MAX_TUPLE_SIZE MAX_ARITYVAL -#define make_arityval(sz) _make_header((sz),_TAG_HEADER_ARITYVAL) +#define make_arityval(sz) (ASSERT((sz) <= MAX_ARITYVAL), \ + _make_header((sz),_TAG_HEADER_ARITYVAL)) #define is_arity_value(x) (((x) & _TAG_HEADER_MASK) == _TAG_HEADER_ARITYVAL) #define is_sane_arity_value(x) ((((x) & _TAG_HEADER_MASK) == _TAG_HEADER_ARITYVAL) && \ (((x) >> _HEADER_ARITY_OFFS) <= MAX_ARITYVAL)) @@ -348,6 +345,9 @@ _ET_DECLARE_CHECKED(Uint,thing_subtag,Eterm) * * To help find code which makes unwarranted assumptions about zero, * we now use a non-zero bit-pattern in debug mode. + * + * In order to be able to differentiata against values, the non-value + * needs to be tagged as a header of some sort. */ #if ET_DEBUG # ifdef HIPE @@ -358,7 +358,7 @@ _ET_DECLARE_CHECKED(Uint,thing_subtag,Eterm) # define THE_NON_VALUE _make_header(0,_TAG_HEADER_FLOAT) # endif #else -#define THE_NON_VALUE (0) +#define THE_NON_VALUE (TAG_PRIMARY_HEADER) #endif #define is_non_value(x) ((x) == THE_NON_VALUE) #define is_value(x) ((x) != THE_NON_VALUE) @@ -863,7 +863,7 @@ do { \ ((ErtsMRefThing *) (Hp))->mb = (Binp); \ ((ErtsMRefThing *) (Hp))->next = (Ohp)->first; \ (Ohp)->first = (struct erl_off_heap_header*) (Hp); \ - ASSERT(erts_is_ref_numbers_magic(&(Binp)->refn)); \ + ASSERT(erts_is_ref_numbers_magic((Binp)->refn)); \ } while (0) #endif /* ARCH_32 */ |