From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001
From: Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 14:33:42 +0000
Subject: Add submodule dependency files

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
---
 .../prog.c                                         | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 meson/test cases/common/148 shared module resolving symbol in executable/prog.c

(limited to 'meson/test cases/common/148 shared module resolving symbol in executable/prog.c')

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;
+}
-- 
cgit 1.2.3-korg