diff options
Diffstat (limited to 'dlfcn')
| -rw-r--r-- | dlfcn/modstatic2.c | 10 | ||||
| -rw-r--r-- | dlfcn/tststatic2.c | 10 |
2 files changed, 18 insertions, 2 deletions
diff --git a/dlfcn/modstatic2.c b/dlfcn/modstatic2.c index 9b5aae8..02d561a 100644 --- a/dlfcn/modstatic2.c +++ b/dlfcn/modstatic2.c @@ -4,6 +4,7 @@ #include <stdlib.h> #include <string.h> #include <gnu/lib-names.h> +#include <first-versions.h> int test (FILE *out, int a); @@ -117,11 +118,18 @@ test (FILE *out, int a) exit (1); } - if (dlvsym (handle2, "_dlfcn_hook", "GLIBC_PRIVATE") == NULL) + /* _exit is very unlikely to receive a second symbol version. */ + void *exit_ptr = dlvsym (handle2, "_exit", FIRST_VERSION_libc__exit_STRING); + if (exit_ptr == NULL) { fprintf (out, "dlvsym: %s\n", dlerror ()); exit (1); } + if (exit_ptr != dlsym (handle2, "_exit")) + { + fprintf (out, "dlvsym for _exit does not match dlsym\n"); + exit (1); + } void *(*dlsymfn) (void *, const char *); dlsymfn = dlsym (handle2, "dlsym"); diff --git a/dlfcn/tststatic2.c b/dlfcn/tststatic2.c index f8cd5a9..5d8a783 100644 --- a/dlfcn/tststatic2.c +++ b/dlfcn/tststatic2.c @@ -4,6 +4,7 @@ #include <stdlib.h> #include <string.h> #include <gnu/lib-names.h> +#include <first-versions.h> static int do_test (void) @@ -115,11 +116,18 @@ do_test (void) exit (1); } - if (dlvsym (handle2, "_dlfcn_hook", "GLIBC_PRIVATE") == NULL) + /* _exit is very unlikely to receive a second symbol version. */ + void *exit_ptr = dlvsym (handle2, "_exit", FIRST_VERSION_libc__exit_STRING); + if (exit_ptr == NULL) { printf ("dlvsym: %s\n", dlerror ()); exit (1); } + if (exit_ptr != dlsym (handle2, "_exit")) + { + printf ("dlvsym for _exit does not match dlsym\n"); + exit (1); + } void *(*dlsymfn) (void *, const char *); dlsymfn = dlsym (handle2, "dlsym"); |