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defines.h: RUBY_SYMBOL_EXPORT_{BEGIN,END}

* include/ruby/defines.h (RUBY_SYMBOL_EXPORT_{BEGIN,END}): visibility
  control macros.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40122 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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1 parent 5f77f23 commit bff997e02b5b5f96d742be84c6e15f85aa728d29 @nobu nobu committed Apr 5, 2013
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@@ -769,6 +769,8 @@ if test "$GCC" = yes; then
AC_SUBST(WERRORFLAG, "-Werror")
if test "$visibility_option" = yes; then
RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden)
+ AC_DEFINE(RUBY_SYMBOL_EXPORT_BEGIN, [_Pragma("GCC visibility push(default)")])
+ AC_DEFINE(RUBY_SYMBOL_EXPORT_END, [_Pragma("GCC visibility pop")])
else
RUBY_TRY_LDFLAGS([-Wl,-unexported_symbol,_Init_*], [visibility_option=ld], [visibility_option=no])
fi
View
8 cont.c
@@ -1540,9 +1540,7 @@ Init_Cont(void)
rb_define_method(rb_cFiber, "resume", rb_fiber_m_resume, -1);
}
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
void
ruby_Init_Continuation_body(void)
@@ -1563,6 +1561,4 @@ ruby_Init_Fiber_as_Coroutine(void)
rb_define_singleton_method(rb_cFiber, "current", rb_fiber_s_current, 0);
}
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
View
8 dln.h
@@ -28,9 +28,7 @@
# define _(args) ()
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
DEPRECATED(char *dln_find_exe(const char*,const char*));
DEPRECATED(char *dln_find_file(const char*,const char*));
@@ -43,8 +41,6 @@ extern char *dln_argv0;
void *dln_load(const char*);
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#endif
View
8 gc.h
@@ -83,9 +83,7 @@ int ruby_get_stack_grow_direction(volatile VALUE *addr);
#endif
#define IS_STACK_DIR_UPPER() STACK_DIR_UPPER(1,0)
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
/* exports for objspace module */
size_t rb_objspace_data_type_memsize(VALUE obj);
@@ -97,8 +95,6 @@ void rb_objspace_each_objects(
int (*callback)(void *start, void *end, size_t stride, void *data),
void *data);
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#endif /* RUBY_GC_H */
@@ -27,9 +27,7 @@ extern "C" {
#endif
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
struct rb_blocking_region_buffer;
DEPRECATED(RUBY_EXTERN struct rb_blocking_region_buffer *rb_thread_blocking_region_begin(void));
@@ -42,9 +40,7 @@ DEPRECATED(RUBY_EXTERN void rb_thread_blocking_region_end(struct rb_blocking_reg
#define ALLOW_INTS do {CHECK_INTS;} while (0)
#define CHECK_INTS rb_thread_check_ints()
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -19,9 +19,7 @@ extern "C" {
#endif
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
/* Note: This file contains experimental APIs. */
/* APIs can be replaced at Ruby 2.0.1 or later */
@@ -79,9 +77,7 @@ typedef enum {
void rb_add_event_hook2(rb_event_hook_func_t func, rb_event_flag_t events, VALUE data, rb_event_hook_flag_t hook_flag);
void rb_thread_add_event_hook2(VALUE thval, rb_event_hook_func_t func, rb_event_flag_t events, VALUE data, rb_event_hook_flag_t hook_flag);
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -88,10 +88,13 @@ extern "C" {
#define ANYARGS
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
+#ifndef RUBY_SYMBOL_EXPORT_BEGIN
+# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
+# define RUBY_SYMBOL_EXPORT_END /* end */
#endif
+RUBY_SYMBOL_EXPORT_BEGIN
+
#define xmalloc ruby_xmalloc
#define xmalloc2 ruby_xmalloc2
#define xcalloc ruby_xcalloc
@@ -281,9 +284,7 @@ void rb_ia64_flushrs(void);
RUBY_ALIAS_FUNCTION_TYPE(VALUE, prot, name, args)
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -22,9 +22,7 @@ extern "C" {
#include <stdarg.h>
#include "ruby/oniguruma.h"
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
#define ENCODING_INLINE_MAX 1023
#define ENCODING_SHIFT (FL_USHIFT+10)
@@ -340,9 +338,7 @@ void rb_econv_binmode(rb_econv_t *ec);
#define ECONV_AFTER_OUTPUT 0x00020000
/* end of flags for rb_econv_convert */
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -34,9 +34,7 @@ extern "C" {
#include "ruby/st.h"
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
/*
* Functions and variables that are used by more than one source file of
@@ -909,9 +907,7 @@ int rb_frame_method_id_and_class(ID *idp, VALUE *klassp);
VALUE rb_make_backtrace(void);
VALUE rb_make_exception(int, VALUE*);
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -49,9 +49,7 @@ extern "C" {
# define RB_WAITFD_OUT 0x004
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
typedef struct {
char *ptr; /* off + len <= capa */
@@ -199,9 +197,7 @@ void rb_io_read_check(rb_io_t*);
int rb_io_read_pending(rb_io_t*);
DEPRECATED(void rb_read_check(FILE*));
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -34,6 +34,11 @@ extern "C" {
#endif
#endif
+#ifndef RUBY_SYMBOL_EXPORT_BEGIN
+# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
+# define RUBY_SYMBOL_EXPORT_END /* end */
+#endif
+
#if !defined(HAVE_STRUCT_TIMEVAL)
struct timeval {
time_t tv_sec; /* seconds */
@@ -62,9 +67,7 @@ struct timezone {
#define RUBY_EXTERN extern
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
#ifndef HAVE_ACOSH
RUBY_EXTERN double acosh(double);
@@ -229,9 +232,7 @@ RUBY_EXTERN int ruby_close(int);
RUBY_EXTERN void setproctitle(const char *fmt, ...);
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -98,9 +98,7 @@ extern "C" {
#define ONIG_EXTERN extern
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
#include <stddef.h> /* for size_t */
@@ -825,9 +823,7 @@ const char* onig_version P_((void));
ONIG_EXTERN
const char* onig_copyright P_((void));
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#ifdef __cplusplus
#if 0
View
@@ -24,9 +24,7 @@ extern "C" {
#include "ruby/regex.h"
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
typedef struct re_pattern_buffer Regexp;
@@ -61,9 +59,7 @@ void rb_match_busy(VALUE);
VALUE rb_reg_quote(VALUE);
regex_t *rb_reg_prepare_re(VALUE re, VALUE str);
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -24,9 +24,7 @@ extern "C" {
#include "oniguruma.h"
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
#ifndef ONIG_RUBY_M17N
@@ -36,9 +34,7 @@ ONIG_EXTERN OnigEncoding OnigEncDefaultCharEncoding;
#endif /* ifndef ONIG_RUBY_M17N */
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -55,9 +55,7 @@ extern "C" {
#include <stdarg.h>
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
/* Make alloca work the best possible way. */
#ifdef __GNUC__
@@ -1708,9 +1706,7 @@ void ruby_sig_finalize(void);
/*! @} */
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -14,9 +14,7 @@ extern "C" {
#include "ruby/defines.h"
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
#if SIZEOF_LONG == SIZEOF_VOIDP
typedef unsigned long st_data_t;
@@ -130,9 +128,7 @@ st_index_t st_hash_end(st_index_t h);
st_index_t st_hash_start(st_index_t h);
#define st_hash_start(h) ((st_index_t)(h))
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -21,9 +21,7 @@ extern "C" {
#include "ruby/intern.h"
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
void *rb_thread_call_with_gvl(void *(*func)(void *), void *data1);
@@ -35,9 +33,7 @@ void *rb_thread_call_without_gvl2(void *(*func)(void *), void *data1,
#define RUBY_CALL_WO_GVL_FLAG_SKIP_CHECK_INTS_AFTER 0x01
#define RUBY_CALL_WO_GVL_FLAG_SKIP_CHECK_INTS_
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
View
@@ -45,9 +45,7 @@ extern "C" {
#endif
#endif
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility push(default)
-#endif
+RUBY_SYMBOL_EXPORT_BEGIN
#define scan_oct(s,l,e) ((int)ruby_scan_oct((s),(l),(e)))
unsigned long ruby_scan_oct(const char *, size_t, size_t *);
@@ -85,9 +83,7 @@ double ruby_strtod(const char *, char **);
void ruby_each_words(const char *, void (*)(const char*, int, void*), void *);
-#if defined __GNUC__ && __GNUC__ >= 4
-#pragma GCC visibility pop
-#endif
+RUBY_SYMBOL_EXPORT_END
#if defined(__cplusplus)
#if 0
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