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authorSverker Eriksson <[email protected]>2016-01-13 18:41:09 +0100
committerSverker Eriksson <[email protected]>2016-01-13 18:41:09 +0100
commita00f5b7360b11991bee771638831e21cc4414b9b (patch)
treeaa52c1e8fbb500b63014243764022692d62ceee0 /erts/emulator
parent9c5c0a2169b1ac176fa9d66eab47c48ff8325a39 (diff)
parent1117dd3651be3cf763abf6fedcd4e06a6444fa04 (diff)
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Merge branch 'sverk/fvisibility-hidden/OTP-13227'
* sverk/fvisibility-hidden/OTP-13227: erts: Allow -fvisibility=hidden for NIFs and drivers erts: Cleanup erl_driver.h for windows erts: Refactor ERL_NIF_INIT macro
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/erl_driver.h21
-rw-r--r--erts/emulator/beam/erl_nif.h22
2 files changed, 25 insertions, 18 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index bda4d5d1c6..0636171ad1 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -378,22 +378,23 @@ typedef struct erl_drv_entry {
#ifdef STATIC_ERLANG_DRIVER
# define ERLANG_DRIVER_NAME(NAME) NAME ## _driver_init
+# define ERL_DRIVER_EXPORT
#else
# define ERLANG_DRIVER_NAME(NAME) driver_init
+# if defined(__GNUC__) && __GNUC__ >= 4
+# define ERL_DRIVER_EXPORT __attribute__ ((visibility("default")))
+# elif defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550)
+# define ERL_DRIVER_EXPORT __global
+# else
+# define ERL_DRIVER_EXPORT
+# endif
#endif
-/* For windows dynamic drivers */
#ifndef ERL_DRIVER_TYPES_ONLY
-#if defined(__WIN32__)
-# define DRIVER_INIT(DRIVER_NAME) \
- __declspec(dllexport) ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void); \
- __declspec(dllexport) ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void)
-#else
-# define DRIVER_INIT(DRIVER_NAME) \
- ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void); \
- ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void)
-#endif
+#define DRIVER_INIT(DRIVER_NAME) \
+ ERL_DRIVER_EXPORT ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void); \
+ ERL_DRIVER_EXPORT ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void)
#define ERL_DRV_BUSY_MSGQ_DISABLED (~((ErlDrvSizeT) 0))
#define ERL_DRV_BUSY_MSGQ_READ_ONLY ((ErlDrvSizeT) 0)
diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h
index 1a21048ec9..40c2ad6f08 100644
--- a/erts/emulator/beam/erl_nif.h
+++ b/erts/emulator/beam/erl_nif.h
@@ -243,22 +243,28 @@ extern TWinDynNifCallbacks WinDynNifCallbacks;
#if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_))
# define ERL_NIF_INIT_GLOB TWinDynNifCallbacks WinDynNifCallbacks;
-# ifdef STATIC_ERLANG_NIF
-# define ERL_NIF_INIT_DECL(MODNAME) __declspec(dllexport) ErlNifEntry* MODNAME ## _nif_init(TWinDynNifCallbacks* callbacks)
-# else
-# define ERL_NIF_INIT_DECL(MODNAME) __declspec(dllexport) ErlNifEntry* nif_init(TWinDynNifCallbacks* callbacks)
-# endif
+# define ERL_NIF_INIT_ARGS TWinDynNifCallbacks* callbacks
# define ERL_NIF_INIT_BODY memcpy(&WinDynNifCallbacks,callbacks,sizeof(TWinDynNifCallbacks))
+# define ERL_NIF_INIT_EXPORT __declspec(dllexport)
#else
# define ERL_NIF_INIT_GLOB
+# define ERL_NIF_INIT_ARGS void
# define ERL_NIF_INIT_BODY
-# ifdef STATIC_ERLANG_NIF
-# define ERL_NIF_INIT_DECL(MODNAME) ErlNifEntry* MODNAME ## _nif_init(void)
+# if defined(__GNUC__) && __GNUC__ >= 4
+# define ERL_NIF_INIT_EXPORT __attribute__ ((visibility("default")))
+# elif defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550)
+# define ERL_NIF_INIT_EXPORT __global
# else
-# define ERL_NIF_INIT_DECL(MODNAME) ErlNifEntry* nif_init(void)
+# define ERL_NIF_INIT_EXPORT
# endif
#endif
+#ifdef STATIC_ERLANG_NIF
+# define ERL_NIF_INIT_DECL(MODNAME) ErlNifEntry* MODNAME ## _nif_init(ERL_NIF_INIT_ARGS)
+#else
+# define ERL_NIF_INIT_DECL(MODNAME) ERL_NIF_INIT_EXPORT ErlNifEntry* nif_init(ERL_NIF_INIT_ARGS)
+#endif
+
#ifdef ERL_NIF_DIRTY_SCHEDULER_SUPPORT
# define ERL_NIF_ENTRY_OPTIONS ERL_NIF_DIRTY_NIF_OPTION
#else