From f5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Thu, 7 Mar 2024 17:28:52 -0500 Subject: build: Build mlibc + add distclean target Signed-off-by: Ian Moffett --- lib/mlibc/tests/rtdl/scope3/test.c | 39 -------------------------------------- 1 file changed, 39 deletions(-) delete mode 100644 lib/mlibc/tests/rtdl/scope3/test.c (limited to 'lib/mlibc/tests/rtdl/scope3/test.c') diff --git a/lib/mlibc/tests/rtdl/scope3/test.c b/lib/mlibc/tests/rtdl/scope3/test.c deleted file mode 100644 index 30fc662..0000000 --- a/lib/mlibc/tests/rtdl/scope3/test.c +++ /dev/null @@ -1,39 +0,0 @@ -#include -#include -#include - -#ifdef USE_HOST_LIBC -#define LIBBAR "libnative-bar.so" -#define LIBBAZ "libnative-baz.so" -#else -#define LIBBAR "libbar.so" -#define LIBBAZ "libbaz.so" -#endif - -int main() { - // In this test, we have bar -> foo and baz -> foo (where -> means 'depends on'). - // All three objects contain a definition of a symbol g. Bar calls into foo to retrieve - // what foo thinks g is, but since bar appears earlier in the scope than foo, bar's copy - // of g wins. - // - // Next, we load baz, which is identical to bar. When baz calls into foo to retrieve g, - // foo still sees bar's definition of g, so bar's copy of g wins. - // - // Swapping the load order of bar and baz should therefore change the value of g which - // foo sees. This behaviour is why dlmopen exists. If we ever implement that, we should - // write a similar test and assert that the calls return different results. - - void *libbar = dlopen(LIBBAR, RTLD_LAZY | RTLD_LOCAL); - int (*call_bar)(void) = dlsym(libbar, "call_bar"); - printf("call_bar: %d\n", call_bar()); - assert(call_bar() == 1); - - void *libbaz = dlopen(LIBBAZ, RTLD_LAZY | RTLD_LOCAL); - int (*call_baz)(void) = dlsym(libbaz, "call_baz"); - printf("call_baz: %d\n", call_baz()); - assert(call_baz() == 1); - - - dlclose(libbar); - dlclose(libbaz); -} -- cgit v1.2.3