/* * Basic test of versioning. The idea with this is that we define * a bunch of definitions of the same symbol, and we can theoretically * then link applications against varying sets of these. */ const char * show_bar1 = "asdf"; const char * show_bar2 = "asdf"; int bar() { return 3; } /* * The 'hide' prefix is something so that we can automatically search the * symbol table and verify that none of these symbols were actually exported. */ hide_original_foo() { return 1+bar(); } hide_old_foo() { return 10+bar(); } hide_old_foo1() { return 100+bar(); } hide_new_foo() { return 1000+bar(); } __asm__(".symver hide_original_foo,show_foo@"); __asm__(".symver hide_old_foo,show_foo@VERS_1.1"); __asm__(".symver hide_old_foo1,show_foo@VERS_1.2"); __asm__(".symver hide_new_foo,show_foo@@VERS_2.0"); #ifdef DO_TEST10 /* In test 10, we try and define a non-existant version node. The linker * should catch this and complain. */ hide_new_bogus_foo() { return 1000+bar(); } __asm__(".symver hide_new_bogus_foo,show_foo@VERS_2.2"); #endif #ifdef DO_TEST11 /* * This test is designed to catch a couple of syntactic errors. The assembler * should complain about both of the directives below. */ xyzzz() { new2_foo(); bar33(); } __asm__(".symver new2_foo,fooVERS_2.0"); __asm__(".symver bar33,bar@@VERS_2.0"); #endif #ifdef DO_TEST12 /* * This test is designed to catch a couple of syntactic errors. The assembler * should complain about both of the directives below. */ xyzzz() { new2_foo(); bar33(); } __asm__(".symver bar33,bar@@VERS_2.0"); #endif