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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <dlfcn.h>
#include "wrappedlibs.h"
#include "debug.h"
#include "wrapper.h"
#include "bridge.h"
#include "librarian/library_private.h"
#include "x64emu.h"
#include "emu/x64emu_private.h"
#include "callback.h"
#include "box64context.h"
#include "librarian.h"
#include "myalign.h"
static char* libname = NULL;
typedef void* (*pFp_t)(void*);
typedef void* (*pFpp_t)(void*, void*);
typedef void (*vFv_t)();
typedef void (*vFiiipp_t)(int32_t, int32_t, int32_t, void*, void*);
typedef struct openal_my_s {
// functions
pFp_t alGetProcAddress;
pFpp_t alcGetProcAddress;
vFiiipp_t alRequestFoldbackStart;
vFv_t alRequestFoldbackStop;
} openal_my_t;
void* getOpenALMy(library_t* lib)
{
openal_my_t* my = (openal_my_t*)calloc(1, sizeof(openal_my_t));
#define GO(A, W) my->A = (W)dlsym(lib->priv.w.lib, #A);
GO(alGetProcAddress, pFp_t)
GO(alcGetProcAddress, pFpp_t)
GO(alRequestFoldbackStart, vFiiipp_t)
GO(alRequestFoldbackStop, vFv_t)
#undef GO
return my;
}
void freeOpenALMy(void* lib)
{
//openal_my_t *my = (openal_my_t *)lib;
}
#define SUPER() \
GO(0) \
GO(1) \
GO(2) \
GO(3) \
GO(4)
// Request ...
#define GO(A) \
static uintptr_t my_Request_fct_##A = 0; \
static void my_Request_##A(int32_t a, int32_t b) \
{ \
RunFunction(my_context, my_Request_fct_##A, 2, a, b); \
}
SUPER()
#undef GO
static void* find_Request_Fct(void* fct)
{
if(!fct) return fct;
if(GetNativeFnc((uintptr_t)fct)) return GetNativeFnc((uintptr_t)fct);
#define GO(A) if(my_Request_fct_##A == (uintptr_t)fct) return my_Request_##A;
SUPER()
#undef GO
#define GO(A) if(my_Request_fct_##A == 0) {my_Request_fct_##A = (uintptr_t)fct; return my_Request_##A; }
SUPER()
#undef GO
printf_log(LOG_NONE, "Warning, no more slot for zlib Request callback\n");
return NULL;
}
#undef SUPER
void* my_alGetProcAddress(x64emu_t* emu, void* name);
void* my_alcGetProcAddress(x64emu_t* emu, void* device, void* name);
void my_alRequestFoldbackStart(x64emu_t *emu, int32_t mode, int32_t count, int32_t length, void* mem, void* cb);
void my_alRequestFoldbackStop(x64emu_t* emu);
const char* openalName = "libopenal.so.1";
#define LIBNAME openal
#define CUSTOM_INIT \
libname = lib->name; \
lib->priv.w.p2 = getOpenALMy(lib);
#define CUSTOM_FINI \
freeOpenALMy(lib->priv.w.p2); \
free(lib->priv.w.p2);
#include "wrappedlib_init.h"
void fillALProcWrapper(box64context_t* context)
{
int cnt, ret;
khint_t k;
kh_symbolmap_t * symbolmap = kh_init(symbolmap);
// populates maps...
cnt = sizeof(openalsymbolmap)/sizeof(map_onesymbol_t);
for (int i=0; i<cnt; ++i) {
k = kh_put(symbolmap, symbolmap, openalsymbolmap[i].name, &ret);
kh_value(symbolmap, k) = openalsymbolmap[i].w;
}
// and the my_ symbols map
cnt = sizeof(MAPNAME(mysymbolmap))/sizeof(map_onesymbol_t);
for (int i=0; i<cnt; ++i) {
k = kh_put(symbolmap, symbolmap, openalmysymbolmap[i].name, &ret);
kh_value(symbolmap, k) = openalmysymbolmap[i].w;
}
context->alwrappers = symbolmap;
// fill my_* map
symbolmap = kh_init(symbolmap);
cnt = sizeof(MAPNAME(mysymbolmap))/sizeof(map_onesymbol_t);
for (int i=0; i<cnt; ++i) {
k = kh_put(symbolmap, symbolmap, openalmysymbolmap[i].name, &ret);
kh_value(symbolmap, k) = openalmysymbolmap[i].w;
}
context->almymap = symbolmap;
}
void freeALProcWrapper(box64context_t* context)
{
if(!context)
return;
if(context->alwrappers)
kh_destroy(symbolmap, context->alwrappers);
if(context->almymap)
kh_destroy(symbolmap, context->almymap);
context->alwrappers = NULL;
context->almymap = NULL;
}
EXPORT void* my_alGetProcAddress(x64emu_t* emu, void* name)
{
khint_t k;
openal_my_t* my = (openal_my_t*)GetLibInternal(libname)->priv.w.p2;
const char* rname = (const char*)name;
printf_log(LOG_DEBUG, "Calling alGetProcAddress(%s)\n", rname);
if(!emu->context->alwrappers) // could be moved in "my" structure...
fillALProcWrapper(emu->context);
// get proc adress using actual alGetProcAddress
k = kh_get(symbolmap, emu->context->almymap, rname);
int is_my = (k==kh_end(emu->context->almymap))?0:1;
void* symbol;
if(is_my) {
// try again, by using custom "my_" now...
char tmp[200];
strcpy(tmp, "my_");
strcat(tmp, rname);
symbol = dlsym(emu->context->box64lib, tmp);
} else
symbol = my->alGetProcAddress(name);
if(!symbol)
return NULL; // easy
// check if alread bridged
uintptr_t ret = CheckBridged(emu->context->system, symbol);
if(ret)
return (void*)ret; // already bridged
// get wrapper
k = kh_get(symbolmap, emu->context->alwrappers, rname);
if(k==kh_end(emu->context->alwrappers)) {
printf_log(LOG_INFO, "Warning, no wrapper for %s\n", rname);
return NULL;
}
const char* constname = kh_key(emu->context->alwrappers, k);
AddOffsetSymbol(emu->context->maplib, symbol, rname);
return (void*)AddBridge(emu->context->system, kh_value(emu->context->alwrappers, k), symbol, 0, constname);
}
EXPORT void* my_alcGetProcAddress(x64emu_t* emu, void* device, void* name)
{
khint_t k;
openal_my_t* my = (openal_my_t*)GetLibInternal(libname)->priv.w.p2;
const char* rname = (const char*)name;
printf_log(LOG_DEBUG, "Calling alcGetProcAddress(%p, %s)\n", device, rname);
if(!emu->context->alwrappers) // could be moved in "my" structure...
fillALProcWrapper(emu->context);
// get proc adress using actual alGetProcAddress
k = kh_get(symbolmap, emu->context->almymap, rname);
int is_my = (k==kh_end(emu->context->almymap))?0:1;
void* symbol;
if(is_my) {
// try again, by using custom "my_" now...
char tmp[200];
strcpy(tmp, "my_");
strcat(tmp, rname);
symbol = dlsym(emu->context->box64lib, tmp);
} else
symbol = my->alcGetProcAddress(device, name);
if(!symbol)
return NULL; // easy
uintptr_t ret = CheckBridged(emu->context->system, symbol);
if(ret)
return (void*)ret; // already bridged
// get wrapper
k = kh_get(symbolmap, emu->context->alwrappers, rname);
if(k==kh_end(emu->context->alwrappers)) {
printf_log(LOG_INFO, "Warning, no wrapper for %s\n", rname);
return NULL;
}
const char* constname = kh_key(emu->context->alwrappers, k);
AddOffsetSymbol(emu->context->maplib, symbol, rname);
return (void*)AddBridge(emu->context->system, kh_value(emu->context->alwrappers, k), symbol, 0, constname);
}
EXPORT void my_alRequestFoldbackStart(x64emu_t *emu, int32_t mode, int32_t count, int32_t length, void* mem, void* cb)
{
openal_my_t* my = (openal_my_t*)GetLibInternal(libname)->priv.w.p2;
my->alRequestFoldbackStart(mode, count, length, mem, find_Request_Fct(cb));
}
EXPORT void my_alRequestFoldbackStop(x64emu_t* emu)
{
openal_my_t* my = (openal_my_t*)GetLibInternal(libname)->priv.w.p2;
my->alRequestFoldbackStop();
}
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