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Add dynamic loading for Win32.

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This commit is contained in:
Themaister 2011-01-19 13:25:18 +01:00
parent bd23e23661
commit ed172fd1e4
2 changed files with 28 additions and 3 deletions
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4
Makefile.win32
View File

@ -35,6 +35,10 @@ ifeq ($(HAVE_XML), 1)
LIBS += -lxml2
endif
ifeq ($(DYNAMIC), 1)
DEFINES += -DHAVE_DYNAMIC
endif
ifneq ($(V),1)
Q := @
endif

27
dynamic.c
View File

@ -26,18 +26,29 @@
#include <libsnes.hpp>
#ifdef HAVE_DYNAMIC
#include <dlfcn.h>
#ifdef _WIN32
#include <windows.h>
#define SYM(x) do { \
p##x = ((void*)GetProcAddress(lib_handle, #x)); \
if (p##x == NULL) { SSNES_ERR("Failed to load symbol: \"%s\"\n", #x); exit(1); } \
} while(0)
#else
#include <dlfcn.h>
#define SYM(x) do { \
p##x = dlsym(lib_handle, #x); \
if (p##x == NULL) { SSNES_ERR("Failed to load symbol: \"%s\"\n", #x); exit(1); } \
} while(0)
#endif
#endif // _WIN32
#endif // HAVE_DYNAMIC
#ifdef HAVE_DYNAMIC
#ifdef _WIN32
static HMODULE lib_handle;
#else
static void *lib_handle = NULL;
#endif
#endif
void (*psnes_init)(void);
@ -86,7 +97,11 @@ void (*psnes_term)(void);
static void load_dynamic(void)
{
SSNES_LOG("Loading dynamic libsnes from: \"%s\"\n", g_settings.libsnes);
#ifdef _WIN32
lib_handle = LoadLibrary(g_settings.libsnes);
#else
lib_handle = dlopen(g_settings.libsnes, RTLD_LAZY);
#endif
if (!lib_handle)
{
SSNES_ERR("Failed to open dynamic library: \"%s\"\n", g_settings.libsnes);
@ -171,6 +186,12 @@ void uninit_dlsym(void)
{
#ifdef HAVE_DYNAMIC
if (lib_handle)
{
#ifdef _WIN32
FreeLibrary(lib_handle);
#else
dlclose(lib_handle);
#endif
}
#endif
}