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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 "wrapper.h"
#include "bridge.h"
#include "librarian/library_private.h"
#include "x64emu.h"
#include "debug.h"
#include "callback.h"
#include "emu/x64emu_private.h"
#include "box64context.h"
#ifdef ANDROID
const char* libzName = "libz.so";
#else
const char* libzName = "libz.so.1";
#endif
#define LIBNAME libz
#include "generated/wrappedlibztypes.h"
#include "wrappercallback.h"
#define SUPER() \
GO(0) \
GO(1) \
GO(2) \
GO(3) \
GO(4)
// alloc ...
#define GO(A) \
static uintptr_t my_alloc_fct_##A = 0; \
static void* my_alloc_##A(void* opaque, uint32_t items, uint32_t size) \
{ \
return (void*)RunFunctionFmt(my_alloc_fct_##A, "puu", opaque, items, size); \
}
SUPER()
#undef GO
static void* find_alloc_Fct(void* fct)
{
if(!fct) return fct;
if(GetNativeFnc((uintptr_t)fct)) return GetNativeFnc((uintptr_t)fct);
#define GO(A) if(my_alloc_fct_##A == (uintptr_t)fct) return my_alloc_##A;
SUPER()
#undef GO
#define GO(A) if(my_alloc_fct_##A == 0) {my_alloc_fct_##A = (uintptr_t)fct; return my_alloc_##A; }
SUPER()
#undef GO
printf_log(LOG_NONE, "Warning, no more slot for zlib alloc callback\n");
return NULL;
}
static void* reverse_alloc_Fct(void* fct)
{
if(!fct) return fct;
if(CheckBridged(my_lib->w.bridge, fct))
return (void*)CheckBridged(my_lib->w.bridge, fct);
#define GO(A) if(my_alloc_##A == fct) return (void*)my_alloc_fct_##A;
SUPER()
#undef GO
return (void*)AddBridge(my_lib->w.bridge, pFpuu, fct, 0, NULL);
}
// free ...
#define GO(A) \
static uintptr_t my_free_fct_##A = 0; \
static void my_free_##A(void* opaque, void* address) \
{ \
RunFunctionFmt(my_free_fct_##A, "pp", opaque, address); \
}
SUPER()
#undef GO
static void* find_free_Fct(void* fct)
{
if(!fct) return fct;
if(GetNativeFnc((uintptr_t)fct)) return GetNativeFnc((uintptr_t)fct);
#define GO(A) if(my_free_fct_##A == (uintptr_t)fct) return my_free_##A;
SUPER()
#undef GO
#define GO(A) if(my_free_fct_##A == 0) {my_free_fct_##A = (uintptr_t)fct; return my_free_##A; }
SUPER()
#undef GO
printf_log(LOG_NONE, "Warning, no more slot for zlib free callback\n");
return NULL;
}
static void* reverse_free_Fct(void* fct)
{
if(!fct) return fct;
if(CheckBridged(my_lib->w.bridge, fct))
return (void*)CheckBridged(my_lib->w.bridge, fct);
#define GO(A) if(my_free_##A == fct) return (void*)my_free_fct_##A;
SUPER()
#undef GO
return (void*)AddBridge(my_lib->w.bridge, vFpp, fct, 0, NULL);
}
#undef SUPER
typedef struct z_stream_s {
void *next_in;
uint32_t avail_in;
uintptr_t total_in;
void *next_out;
uint32_t avail_out;
uintptr_t total_out;
char *msg;
void *state;
void* zalloc;
void* zfree;
void* opaque;
int32_t data_type;
uintptr_t adler;
uintptr_t reserved;
} z_stream;
static void wrapper_stream_z(x64emu_t* emu, void* str)
{
(void)emu;
z_stream *stream = (z_stream*)str;
stream->zalloc = find_alloc_Fct(stream->zalloc);
stream->zfree = find_free_Fct(stream->zfree);
}
static void unwrapper_stream_z(x64emu_t* emu, void* str)
{
(void)emu;
z_stream *stream = (z_stream*)str;
stream->zalloc = reverse_alloc_Fct(stream->zalloc);
stream->zfree = reverse_free_Fct(stream->zfree);
}
EXPORT int my_inflateInit_(x64emu_t* emu, void* str, void* version, int size)
{
wrapper_stream_z(emu, str);
int ret = my->inflateInit_(str, version, size);
unwrapper_stream_z(emu, str);
return ret;
}
EXPORT int my_inflateInit2_(x64emu_t* emu, void* str, int windowBits, void* version, int stream_size)
{
wrapper_stream_z(emu, str);
int ret = my->inflateInit2_(str, windowBits, version, stream_size);
unwrapper_stream_z(emu, str);
return ret;
}
EXPORT int my_inflateBackInit_(x64emu_t* emu, void* str, int windowBits, void *window, void* version, int size)
{
wrapper_stream_z(emu, str);
int ret = my->inflateBackInit_(str, windowBits, window, version, size);
unwrapper_stream_z(emu, str);
return ret;
}
EXPORT int my_inflateEnd(x64emu_t* emu, void* str)
{
wrapper_stream_z(emu, str);
int r = my->inflateEnd(str);
return r;
}
EXPORT int my_deflateInit_(x64emu_t* emu, void* str, int level, void* version, int stream_size)
{
wrapper_stream_z(emu, str);
int ret = my->deflateInit_(str, level, version, stream_size);
unwrapper_stream_z(emu, str);
return ret;
}
EXPORT int my_deflateInit2_(x64emu_t* emu, void* str, int level, int method, int windowBits, int memLevel, int strategy, void* version, int stream_size)
{
wrapper_stream_z(emu, str);
int ret = my->deflateInit2_(str, level, method, windowBits, memLevel, strategy, version, stream_size);
unwrapper_stream_z(emu, str);
return ret;
}
// TODO: remove this?
EXPORT int my_deflateEnd(x64emu_t* emu, void* str)
{
wrapper_stream_z(emu, str);
int r = my->deflateEnd(str);
return r;
}
EXPORT int my_inflate(x64emu_t* emu, void* str, int flush)
{
wrapper_stream_z(emu, str);
int ret = my->inflate(str, flush);
unwrapper_stream_z(emu, str);
return ret;
}
#include "wrappedlib_init.h"
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