diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-06-29 22:48:24 +0000 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2001-06-29 22:48:24 +0000 |
commit | d9ea262db5f34295c2ad4c42559faf958abccf1b (patch) | |
tree | aa29097e1564112b7caa21bfa5ccd1faaf332a98 /test/ldso | |
parent | 2f98c4258bada4b7de8dc4401dded43ade7f1c60 (diff) |
Add a dlopen test
Diffstat (limited to 'test/ldso')
-rw-r--r-- | test/ldso/Makefile | 20 | ||||
-rw-r--r-- | test/ldso/dltest.c | 39 | ||||
-rw-r--r-- | test/ldso/howdy.c | 7 |
3 files changed, 66 insertions, 0 deletions
diff --git a/test/ldso/Makefile b/test/ldso/Makefile new file mode 100644 index 000000000..3131a715a --- /dev/null +++ b/test/ldso/Makefile @@ -0,0 +1,20 @@ +TESTDIR=../ +include $(TESTDIR)/Rules.mak + +all: dltest shared run + +dltest: + $(TESTCC) $(TEST_CFLAGS) -c dltest.c -o dltest.o + $(TESTCC) $(TEST_CFLAGS) -c howdy.c -o howdy.o + +shared: + $(TESTCC) $(TEST_CFLAGS) -shared -o libhowdy.so -Wl,-soname,libhowdy.so howdy.o + $(TESTCC) $(TEST_CFLAGS) -o dltest dltest.o -ldl + +run: + @echo Running dltest + ./dltest + +clean: + rm -f *.o *.so dltest core + diff --git a/test/ldso/dltest.c b/test/ldso/dltest.c new file mode 100644 index 000000000..676e1ae55 --- /dev/null +++ b/test/ldso/dltest.c @@ -0,0 +1,39 @@ +#include <fcntl.h> +#include <stdlib.h> +#include <stdio.h> +#include <dlfcn.h> + +extern void _dlinfo(); + +int main(int argc, char **argv) { + void *handle; + int (*myhowdy)(const char *s); + char *error; + +#ifdef __UCLIBC__ + _dlinfo(); /* not supported by ld.so.2 */ +#endif + + handle = dlopen ("./libhowdy.so", RTLD_LAZY); + + if (!handle) { + fputs (dlerror(), stderr); + exit(1); + } + + myhowdy = dlsym(handle, "howdy"); + if ((error = dlerror()) != NULL) { + fputs(error, stderr); + exit(1); + } + + myhowdy("hello world!\n"); + +#ifdef __UCLIBC__ + _dlinfo(); /* not supported by ld.so.2 */ +#endif + + dlclose(handle); + + return EXIT_SUCCESS; +} diff --git a/test/ldso/howdy.c b/test/ldso/howdy.c new file mode 100644 index 000000000..00a144b30 --- /dev/null +++ b/test/ldso/howdy.c @@ -0,0 +1,7 @@ +#include <stdio.h> + +int howdy(const char *s) +{ + return printf("howdy: %s\n", s); +} + |