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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /meson/test cases/common/148 shared module resolving symbol in executable/prog.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'meson/test cases/common/148 shared module resolving symbol in executable/prog.c')
-rw-r--r--meson/test cases/common/148 shared module resolving symbol in executable/prog.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/meson/test cases/common/148 shared module resolving symbol in executable/prog.c b/meson/test cases/common/148 shared module resolving symbol in executable/prog.c
new file mode 100644
index 000000000..b2abcdb18
--- /dev/null
+++ b/meson/test cases/common/148 shared module resolving symbol in executable/prog.c
@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <assert.h>
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+
+#if defined _WIN32 || defined __CYGWIN__
+ #define DLL_PUBLIC __declspec(dllexport)
+#else
+ #if defined __GNUC__
+ #define DLL_PUBLIC __attribute__ ((visibility("default")))
+ #else
+ #pragma message ("Compiler does not support symbol visibility.")
+ #define DLL_PUBLIC
+ #endif
+#endif
+
+typedef int (*fptr) (void);
+
+int DLL_PUBLIC
+func_from_executable(void)
+{
+ return 42;
+}
+
+int main(int argc, char **argv)
+{
+ int expected, actual;
+ fptr importedfunc;
+
+ if (argc=0) {}; // noop
+
+#ifdef _WIN32
+ HMODULE h = LoadLibraryA(argv[1]);
+#else
+ void *h = dlopen(argv[1], RTLD_NOW);
+#endif
+ assert(h != NULL);
+
+#ifdef _WIN32
+ importedfunc = (fptr) GetProcAddress (h, "func");
+#else
+ importedfunc = (fptr) dlsym(h, "func");
+#endif
+ assert(importedfunc != NULL);
+ assert(importedfunc != func_from_executable);
+
+ actual = (*importedfunc)();
+ expected = func_from_executable();
+ assert(actual == expected);
+
+#ifdef _WIN32
+ FreeLibrary(h);
+#else
+ dlclose(h);
+#endif
+
+ return 0;
+}