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| author | Patrik Nyblom <[email protected]> | 2010-03-01 15:43:48 +0100 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2010-03-10 14:26:08 +0100 |
| commit | e2f78fbb4dabb19dd908821febc64acd843ad5b4 (patch) | |
| tree | be52ec71f62725a62746cfce0ba422e9820977ba /erts | |
| parent | 42c8a5ab9bdcf8c139f1c5a558e64d39716a6582 (diff) | |
| download | otp-e2f78fbb4dabb19dd908821febc64acd843ad5b4.tar.gz otp-e2f78fbb4dabb19dd908821febc64acd843ad5b4.tar.bz2 otp-e2f78fbb4dabb19dd908821febc64acd843ad5b4.zip | |
Adopt the new (R13B04) Nif functionality to the halfword codebase
Change erl_int_sizes_config to include HALFWORD_HEAP_EMULATOR,
which make it possible for the NIFs to figure out the term size.
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/beam/erl_driver.h | 9 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_nif.c | 4 | ||||
| -rw-r--r-- | erts/emulator/beam/erl_nif.h | 30 | ||||
| -rw-r--r-- | erts/include/erl_int_sizes_config.h.in | 3 |
4 files changed, 44 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index 316d0ef992..15a4f44a7d 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -48,6 +48,10 @@ # define SIZEOF_LONG_LONG_SAVED__ SIZEOF_LONG_LONG # undef SIZEOF_LONG_LONG #endif +#ifdef HALFWORD_HEAP_EMULATOR +# define HALFWORD_HEAP_EMULATOR_SAVED__ HALFWORD_HEAP_EMULATOR +# undef HALFWORD_HEAP_EMULATOR +#endif #include "erl_int_sizes_config.h" #if defined(SIZEOF_CHAR_SAVED__) && SIZEOF_CHAR_SAVED__ != SIZEOF_CHAR # error SIZEOF_CHAR mismatch @@ -65,6 +69,11 @@ # error SIZEOF_LONG_LONG mismatch #endif +/* This is OK to override by the NIF/driver implementor */ +#if defined(HALFWORD_HEAP_EMULATOR_SAVED__) && !defined(HALFWORD_HEAP_EMULATOR) +#define HALFWORD_HEAP_EMULATOR HALFWORD_HEAP_EMULATOR_SAVED__ +#endif + #include "erl_drv_nif.h" #include <stdlib.h> diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index f0c4d81f0b..41a9e17c86 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -512,9 +512,9 @@ int enif_get_int(ErlNifEnv* env, Eterm term, int* ip) int enif_get_uint(ErlNifEnv* env, Eterm term, unsigned* ip) { -#if SIZEOF_LONG == ERTS_SIZEOF_ETERM +#if SIZEOF_INT == ERTS_SIZEOF_ETERM return term_to_Uint(term, (Uint*)ip); -#elif SIZEOF_INT == ERTS_SIZEOF_ETERM +#elif SIZEOF_LONG == ERTS_SIZEOF_ETERM Uint i; if (!term_to_Uint(term, &i) || i > UINT_MAX) { return 0; diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index 1ccf00293e..d0f6424724 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -34,7 +34,37 @@ #include <stdlib.h> +#ifdef SIZEOF_CHAR +# define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR +# undef SIZEOF_CHAR +#endif +#ifdef SIZEOF_SHORT +# define SIZEOF_SHORT_SAVED__ SIZEOF_SHORT +# undef SIZEOF_SHORT +#endif +#ifdef SIZEOF_INT +# define SIZEOF_INT_SAVED__ SIZEOF_INT +# undef SIZEOF_INT +#endif +#ifdef SIZEOF_LONG +# define SIZEOF_LONG_SAVED__ SIZEOF_LONG +# undef SIZEOF_LONG +#endif +#ifdef SIZEOF_LONG_LONG +# define SIZEOF_LONG_LONG_SAVED__ SIZEOF_LONG_LONG +# undef SIZEOF_LONG_LONG +#endif +#ifdef HALFWORD_HEAP_EMULATOR +# define HALFWORD_HEAP_EMULATOR_SAVED__ HALFWORD_HEAP_EMULATOR +# undef HALFWORD_HEAP_EMULATOR +#endif +#include "erl_int_sizes_config.h" + +#ifdef HALFWORD_HEAP_EMULATOR +typedef unsigned int ERL_NIF_TERM; +#else typedef unsigned long ERL_NIF_TERM; +#endif struct enif_environment_t; typedef struct enif_environment_t ErlNifEnv; diff --git a/erts/include/erl_int_sizes_config.h.in b/erts/include/erl_int_sizes_config.h.in index ef49995732..a8a264686e 100644 --- a/erts/include/erl_int_sizes_config.h.in +++ b/erts/include/erl_int_sizes_config.h.in @@ -31,3 +31,6 @@ /* The number of bytes in a long long. */ #undef SIZEOF_LONG_LONG + +/* Define if building a halfword-heap 64bit emulator (needed for NIF's) */ +#undef HALFWORD_HEAP_EMULATOR |