static GLboolean stubGetPatchOffset(const char *name, void **writePtr, const void **execPtr)
{
const struct mapi_stub *stub;
void *addr = NULL;
stub = stub_find_public(name);
#if !defined(STATIC_DISPATCH_ONLY)
if (!stub) {
stub = stub_find_dynamic(name, 0);
}
#endif // !defined(STATIC_DISPATCH_ONLY)
if (stub) {
addr = stub_get_addr(stub);
}
if (writePtr != NULL) {
*writePtr = addr;
}
if (execPtr != NULL) {
*execPtr = addr;
}
return (addr != NULL ? GL_TRUE : GL_FALSE);
}
static GLboolean stubGetPatchOffset(const char *name, void **writePtr, const void **execPtr)
{
const struct mapi_stub *stub;
void *writeAddr = NULL;
const void *execAddr = NULL;
stub = stub_find_public(name);
#if !defined(STATIC_DISPATCH_ONLY)
if (!stub) {
stub = stub_find_dynamic(name, 0);
}
#endif // !defined(STATIC_DISPATCH_ONLY)
if (stub) {
mapi_func addr = stub_get_addr(stub);
if (addr != NULL) {
entry_get_patch_addresses(addr, &writeAddr, &execAddr);
}
}
if (writePtr != NULL) {
*writePtr = writeAddr;
}
if (execPtr != NULL) {
*execPtr = execAddr;
}
return ((writeAddr != NULL && execAddr != NULL) ? GL_TRUE : GL_FALSE);
}
/**
* Return the address of an entry. Optionally generate the entry if it does
* not exist.
*/
mapi_proc
mapi_get_proc_address(const char *name)
{
const struct mapi_stub *stub;
stub = stub_find_public(name);
if (!stub)
stub = stub_find_dynamic(name, 0);
return (stub) ? (mapi_proc) stub_get_addr(stub) : NULL;
}
static void stubRestoreFuncs(void)
{
int i, slot;
const struct mapi_stub *stub;
assert(stub_allow_override());
for (stub = public_stubs, i = 0;
i < MAPI_TABLE_NUM_STATIC;
stub++, i++) {
slot = (stub->slot == -1) ? MAPI_LAST_SLOT : stub->slot;
entry_generate_default_code((char *)stub_get_addr(stub), slot);
}
#if !defined(STATIC_DISPATCH_ONLY)
for (stub = dynamic_stubs, i = 0;
i < num_dynamic_stubs;
stub++, i++) {
slot = (stub->slot == -1) ? MAPI_LAST_SLOT : stub->slot;
entry_generate_default_code((char *)stub_get_addr(stub), slot);
}
#endif // !defined(STATIC_DISPATCH_ONLY)
}
/**
* Return pointer to the named function. If the function name isn't found
* in the name of static functions, try generating a new API entrypoint on
* the fly with assembly language.
*/
_glapi_proc
_glapi_get_proc_address(const char *funcName)
{
const struct mapi_stub *stub = _glapi_get_stub(funcName, 1);
return (stub) ? (_glapi_proc) stub_get_addr(stub) : NULL;
}