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authorIan Moffett <ian@osmora.org>2024-03-07 17:28:52 -0500
committerIan Moffett <ian@osmora.org>2024-03-07 18:24:51 -0500
commitf5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 (patch)
tree93b156621dc0303816b37f60ba88051b702d92f6 /lib/mlibc/tests/rtdl/scope1/test.c
parentbd5969fc876a10b18613302db7087ef3c40f18e1 (diff)
build: Build mlibc + add distclean target
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/tests/rtdl/scope1/test.c')
-rw-r--r--lib/mlibc/tests/rtdl/scope1/test.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/lib/mlibc/tests/rtdl/scope1/test.c b/lib/mlibc/tests/rtdl/scope1/test.c
deleted file mode 100644
index c19915d..0000000
--- a/lib/mlibc/tests/rtdl/scope1/test.c
+++ /dev/null
@@ -1,90 +0,0 @@
-#include <stddef.h>
-#include <dlfcn.h>
-#include <assert.h>
-#include <string.h>
-#include <stdio.h>
-
-#ifdef USE_HOST_LIBC
-#define LIBFOO "libnative-foo.so"
-#define LIBBAR "libnative-bar.so"
-#else
-#define LIBFOO "libfoo.so"
-#define LIBBAR "libbar.so"
-#endif
-
-typedef char *strfn(void);
-
-int main() {
- // We haven't dlopen'd these libs yet, so symbol resolution should fail.
- assert(dlsym(RTLD_DEFAULT, "foo") == NULL);
- assert(dlsym(RTLD_DEFAULT, "bar") == NULL);
-
- assert(!dlopen(LIBFOO, RTLD_NOLOAD));
- assert(!dlopen(LIBBAR, RTLD_NOLOAD));
-
- void *foo_handle = dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW);
- assert(foo_handle);
- assert(dlopen(LIBFOO, RTLD_NOLOAD | RTLD_NOW));
-
- strfn *foo_sym = dlsym(foo_handle, "foo");
- assert(foo_sym);
- assert(foo_sym());
- assert(!strcmp(foo_sym(), "foo"));
-
- strfn *foo_global_sym = dlsym(foo_handle, "foo_global");
- assert(foo_global_sym);
- assert(foo_global_sym());
- assert(!strcmp(foo_global_sym(), "foo global"));
-
- assert(dlsym(foo_handle, "doesnotexist") == NULL);
-
- // Nested opening should work
- assert(dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW) == foo_handle);
- assert(dlopen(LIBFOO, RTLD_NOLOAD | RTLD_NOW));
-
- // Since we've loaded the same library twice, the addresses should be the same
- assert(dlsym(foo_handle, "foo") == foo_sym);
- assert(dlsym(foo_handle, "foo_global") == foo_global_sym);
-
- // libfoo was opened with RTLD_LOCAL, so we shouldn't be able to lookup
- // its symbols in the global namespace.
- assert(dlsym(RTLD_DEFAULT, "foo") == NULL);
-
- {
- void *bar_handle = dlopen(LIBBAR, RTLD_GLOBAL | RTLD_NOW);
- assert(bar_handle);
- assert(dlopen(LIBBAR, RTLD_NOLOAD | RTLD_NOW));
-
- strfn *bar_sym = dlsym(bar_handle, "bar");
- assert(bar_sym);
- assert(bar_sym());
- assert(!strcmp(bar_sym(), "bar"));
-
- strfn *bar_calls_foo_sym = dlsym(bar_handle, "bar_calls_foo");
- assert(bar_calls_foo_sym);
- assert(bar_calls_foo_sym());
- assert(!strcmp(bar_calls_foo_sym(), "foo"));
-
- strfn *bar_calls_foo_global_sym = dlsym(bar_handle, "bar_calls_foo_global");
- assert(bar_calls_foo_global_sym);
- assert(bar_calls_foo_global_sym());
- assert(!strcmp(bar_calls_foo_global_sym(), "foo global"));
-
- // libbar was opened with RTLD_GLOBAL, so we can find symbols by
- // searching in the global scope.
- strfn *new_bar_sym = dlsym(RTLD_DEFAULT, "bar");
- assert(new_bar_sym);
- assert(new_bar_sym == bar_sym);
-
- // Note that we loaded libbar with RTLD_GLOBAL, which should pull
- // in libfoo's symbols globally too.
- strfn *new_foo_sym = dlsym(RTLD_DEFAULT, "foo");
- assert(new_foo_sym);
- assert(new_foo_sym == foo_sym);
-
- assert(dlclose(bar_handle) == 0);
- }
-
- assert(dlclose(foo_handle) == 0);
- assert(dlclose(foo_handle) == 0);
-}