kaguya
30 lines
708 B
C
30 lines
708 B
C
#include <dlfcn.h>
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#include <stdio.h>
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#include <assert.h>
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#ifdef USE_HOST_LIBC
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#define LIBFOO "libnative-foo.so"
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#else
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#define LIBFOO "libfoo.so"
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#endif
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// We need to have a relocation against foo for DT_NEEDED.
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void foo();
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void bar() { foo(); }
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int main() {
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// In this test, we have exec -> foo (where '->' means 'depends on').
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// This means that foo is in the global scope due to DT_NEEDED.
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// We then dlopen it again with RTLD_LOCAL, which should just return
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// the already-loaded object, but used to crash in the mlibc linker instead.
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void *foo = dlopen(LIBFOO, RTLD_LOCAL | RTLD_NOW);
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assert(foo);
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assert(dlsym(foo, "foo"));
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assert(dlsym(RTLD_DEFAULT, "foo"));
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dlclose(foo);
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return 0;
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}
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