Reduce symbol visibility. Fixes #467.

git-svn-id: file:///svn/tokudb@2541 c7de825b-a66e-492c-adef-691d508d4ae1

Makefile

 TAGS: */*.c */*.h
-	etags */*.c */*.h
+	etags */*.c */*.h src/lock_tree/*.c src/lock_tree/*.h src/range_tree/*.c src/range_tree/*.h
 
 SRCDIRS = newbrt src src/tests src/range_tree src/range_tree/tests src/lock_tree src/lock_tree/tests cxx cxx/tests \
 		utils db-benchmark-test db-benchmark-test-cxx

buildheader/db.h_4_1

@@ -254,11 +254,11 @@ struct __toku_dbt {
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
 #endif
-int db_env_create(DB_ENV **, u_int32_t);
-int db_create(DB **, DB_ENV *, u_int32_t);
-char *db_strerror(int);
-const char *db_version(int*,int *,int *);
-int log_compare (const DB_LSN*, const DB_LSN *);
+int db_env_create(DB_ENV **, u_int32_t) __attribute__((__visibility__("default")));
+int db_create(DB **, DB_ENV *, u_int32_t) __attribute__((__visibility__("default")));
+char *db_strerror(int) __attribute__((__visibility__("default")));
+const char *db_version(int*,int *,int *) __attribute__((__visibility__("default")));
+int log_compare (const DB_LSN*, const DB_LSN *) __attribute__((__visibility__("default")));
 #if defined(__cplusplus)
 }
 #endif

buildheader/db.h_4_3

@@ -270,11 +270,11 @@ struct __toku_dbt {
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
 #endif
-int db_env_create(DB_ENV **, u_int32_t);
-int db_create(DB **, DB_ENV *, u_int32_t);
-char *db_strerror(int);
-const char *db_version(int*,int *,int *);
-int log_compare (const DB_LSN*, const DB_LSN *);
+int db_env_create(DB_ENV **, u_int32_t) __attribute__((__visibility__("default")));
+int db_create(DB **, DB_ENV *, u_int32_t) __attribute__((__visibility__("default")));
+char *db_strerror(int) __attribute__((__visibility__("default")));
+const char *db_version(int*,int *,int *) __attribute__((__visibility__("default")));
+int log_compare (const DB_LSN*, const DB_LSN *) __attribute__((__visibility__("default")));
 #if defined(__cplusplus)
 }
 #endif

buildheader/db.h_4_4

@@ -272,11 +272,11 @@ struct __toku_dbt {
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
 #endif
-int db_env_create(DB_ENV **, u_int32_t);
-int db_create(DB **, DB_ENV *, u_int32_t);
-char *db_strerror(int);
-const char *db_version(int*,int *,int *);
-int log_compare (const DB_LSN*, const DB_LSN *);
+int db_env_create(DB_ENV **, u_int32_t) __attribute__((__visibility__("default")));
+int db_create(DB **, DB_ENV *, u_int32_t) __attribute__((__visibility__("default")));
+char *db_strerror(int) __attribute__((__visibility__("default")));
+const char *db_version(int*,int *,int *) __attribute__((__visibility__("default")));
+int log_compare (const DB_LSN*, const DB_LSN *) __attribute__((__visibility__("default")));
 #if defined(__cplusplus)
 }
 #endif

buildheader/db.h_4_5

@@ -272,11 +272,11 @@ struct __toku_dbt {
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
 #endif
-int db_env_create(DB_ENV **, u_int32_t);
-int db_create(DB **, DB_ENV *, u_int32_t);
-char *db_strerror(int);
-const char *db_version(int*,int *,int *);
-int log_compare (const DB_LSN*, const DB_LSN *);
+int db_env_create(DB_ENV **, u_int32_t) __attribute__((__visibility__("default")));
+int db_create(DB **, DB_ENV *, u_int32_t) __attribute__((__visibility__("default")));
+char *db_strerror(int) __attribute__((__visibility__("default")));
+const char *db_version(int*,int *,int *) __attribute__((__visibility__("default")));
+int log_compare (const DB_LSN*, const DB_LSN *) __attribute__((__visibility__("default")));
 #if defined(__cplusplus)
 }
 #endif

buildheader/make_db_h.c

@@ -10,6 +10,7 @@
 #include <assert.h>
 #include <string.h>
 
+#define VISIBLE "__attribute__((__visibility__(\"default\")))"
 
 void print_dbtype(void) {
     /* DBTYPE is mentioned by db_open.html */
@@ -297,11 +298,11 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un
     print_struct("dbt", 0, dbt_fields32, dbt_fields64, sizeof(dbt_fields32)/sizeof(dbt_fields32[0]));
 
     printf("#ifdef _TOKUDB_WRAP_H\n#define txn_begin txn_begin_tokudb\n#endif\n");
-    printf("int db_env_create(DB_ENV **, u_int32_t);\n");
-    printf("int db_create(DB **, DB_ENV *, u_int32_t);\n");
-    printf("char *db_strerror(int);\n");
-    printf("const char *db_version(int*,int *,int *);\n");
-    printf("int log_compare (const DB_LSN*, const DB_LSN *);\n");
+    printf("int db_env_create(DB_ENV **, u_int32_t) %s;\n", VISIBLE);
+    printf("int db_create(DB **, DB_ENV *, u_int32_t) %s;\n", VISIBLE);
+    printf("char *db_strerror(int) %s;\n", VISIBLE);
+    printf("const char *db_version(int*,int *,int *) %s;\n", VISIBLE);
+    printf("int log_compare (const DB_LSN*, const DB_LSN *) %s;\n", VISIBLE);
     printf("#if defined(__cplusplus)\n}\n#endif\n");
     printf("#endif\n");
     return 0;

include/db.h

@@ -272,11 +272,11 @@ struct __toku_dbt {
 #ifdef _TOKUDB_WRAP_H
 #define txn_begin txn_begin_tokudb
 #endif
-int db_env_create(DB_ENV **, u_int32_t);
-int db_create(DB **, DB_ENV *, u_int32_t);
-char *db_strerror(int);
-const char *db_version(int*,int *,int *);
-int log_compare (const DB_LSN*, const DB_LSN *);
+int db_env_create(DB_ENV **, u_int32_t) __attribute__((__visibility__("default")));
+int db_create(DB **, DB_ENV *, u_int32_t) __attribute__((__visibility__("default")));
+char *db_strerror(int) __attribute__((__visibility__("default")));
+const char *db_version(int*,int *,int *) __attribute__((__visibility__("default")));
+int log_compare (const DB_LSN*, const DB_LSN *) __attribute__((__visibility__("default")));
 #if defined(__cplusplus)
 }
 #endif

newbrt/Makefile

@@ -30,7 +30,7 @@ FPICFLAGS = -fPIC
 DTOOL = valgrind --quiet --error-exitcode=1 --leak-check=yes
 endif
 
-CFLAGS = -Wall -W $(OPTFLAGS) -g3 -ggdb3 $(GCOV_FLAGS) $(PROF_FLAGS) -Werror $(FPICFLAGS) -Wshadow
+CFLAGS = -Wall -W $(OPTFLAGS) -g3 -ggdb3 $(GCOV_FLAGS) $(PROF_FLAGS) -Werror $(FPICFLAGS) -Wshadow -fvisibility=hidden
 LDFLAGS = $(OPTFLAGS) -g $(GCOV_FLAGS) $(PROF_FLAGS) 
 CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
 

src/Makefile

@@ -3,9 +3,12 @@
 
 LIBNAME=libtokudb
 
+EXPORTMAP = -Wl,--version-script=export.map
+VISIBILITY = -fvisibility=hidden
+
 OPTFLAGS = -O2
 # GCOV_FLAGS = -fprofile-arcs -ftest-coverage
-CFLAGS = -W -Wall -Werror -g3 -ggdb3 -fPIC $(OPTFLAGS) $(GCOV_FLAGS)
+CFLAGS = -W -Wall -Werror -g3 -ggdb3 -fPIC $(OPTFLAGS) $(GCOV_FLAGS) $(VISIBILITY)
 CPPFLAGS = -I../include -I../newbrt -I./lock_tree/ -I./range_tree/
 CPPFLAGS += -D_GNU_SOURCE -D_THREAD_SAFE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
 
@@ -18,6 +21,7 @@ CFLAGS+=-fno-common
 else
 LIBEXT=so
 SHARED=-shared
+SHARED=-shared $(EXPORTMAP)
 RPATHNAME=
 endif
 

src/lock_tree/Makefile

@@ -13,9 +13,12 @@ else
  GCOV_FLAGS =
 endif
 
+VISIBILITY = -fvisibility=hidden
+
 CFLAGS = -W -Wall -Wextra -Werror -fPIC $(OPTFLAGS)  -g3 -ggdb3 $(GCOV_FLAGS)
 CFLAGS += -Wbad-function-cast -Wcast-align -Wconversion -Waggregate-return
 CFLAGS += -Wmissing-noreturn -Wmissing-format-attribute
+CFLAGS += $(VISIBILITY)
 CPPFLAGS = -I. -I.. -I../range_tree -I../../include -I../../newbrt -L../range_tree
 CPPFLAGS += -D_GNU_SOURCE -D_THREAD_SAFE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
 

src/range_tree/Makefile

@@ -13,9 +13,12 @@ else
  GCOV_FLAGS =
 endif
 
+VISIBILITY = -fvisibility=hidden
+
 CFLAGS = -W -Wall -Wextra -Werror -fPIC $(OPTFLAGS)  -g3 -ggdb3 $(GCOV_FLAGS)
 CFLAGS += -Wbad-function-cast -Wcast-align -Wconversion -Waggregate-return
 CFLAGS += -Wmissing-noreturn -Wmissing-format-attribute
+CFLAGS += $(VISIBILITY)
 CPPFLAGS = -I../../include -I../../newbrt
 CPPFLAGS += -D_GNU_SOURCE -D_THREAD_SAFE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE