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Code Releases Activity

- qtx (quicktime's macos emulation layer) debugging/emulation environment :)

Browse Source 
- some fixes in loadlibrary, to allow multiple loads/lookups


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8270 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-11-24 21:45:23 +00:00
parent dc18e7dcbe
commit be4c25600b
6 changed files with 2120 additions and 6 deletions

2
loader/Makefile

@ -6,7 +6,7 @@ DEFINES=$(WIN32_PATH) -DMPLAYER -D__WINE__ -Ddbg_printf=__vprintf \
LIB_OBJECTS= ldt_keeper.o pe_image.o module.o \ LIB_OBJECTS= ldt_keeper.o pe_image.o module.o \
ext.o win32.o driver.o pe_resource.o \ ext.o win32.o driver.o pe_resource.o \
resource.o registry.o elfdll.o afl.o vfl.o resource.o registry.o elfdll.o afl.o vfl.o wrapper.o
# gcc-3.0 produces buggy code for acmStreamOpen() with # gcc-3.0 produces buggy code for acmStreamOpen() with
# "-O3 -fomit-frame-pointer" or "-O2 -fomit-frame-pointer # "-O3 -fomit-frame-pointer" or "-O2 -fomit-frame-pointer

408
loader/module.c

@ -3,6 +3,13 @@
* *
* Copyright 1995 Alexandre Julliard * Copyright 1995 Alexandre Julliard
*/ */
// define for quicktime calls debugging and/or MacOS-level emulation:
//#define EMU_QTX_API
// define for quicktime debugging (verbose logging):
//#define DEBUG_QTX_API
#include "config.h" #include "config.h"
#include <assert.h> #include <assert.h>
@ -15,13 +22,15 @@
#include <sys/mman.h> #include <sys/mman.h>
#include <sys/types.h> #include <sys/types.h>
#include "wine/windef.h" #include "wine/windef.h"
#include "wine/winerror.h" #include "wine/winerror.h"
#include "wine/heap.h" #include "wine/heap.h"
#include "wine/module.h" #include "wine/module.h"
#include "wine/pe_image.h" #include "wine/pe_image.h"
#include "wine/debugtools.h" #include "wine/debugtools.h"
#undef HAVE_LIBDL
#ifdef HAVE_LIBDL #ifdef HAVE_LIBDL
#include <dlfcn.h> #include <dlfcn.h>
#include "wine/elfdll.h" #include "wine/elfdll.h"
@ -29,6 +38,12 @@
#include "win32.h" #include "win32.h"
#include "driver.h" #include "driver.h"
#ifdef EMU_QTX_API
#include "wrapper.h"
static int report_func(void *stack_base, int stack_size, reg386_t *reg, u_int32_t *flags);
static int report_func_ret(void *stack_base, int stack_size, reg386_t *reg, u_int32_t *flags);
#endif
//#undef TRACE //#undef TRACE
//#define TRACE printf //#define TRACE printf
@ -43,7 +58,8 @@ WINE_MODREF* MODULE_FindModule(LPCSTR m)
TRACE("Module %s request\n", m); TRACE("Module %s request\n", m);
if(list==NULL) if(list==NULL)
return NULL; return NULL;
while(strcmp(m, list->wm->filename)) // while(strcmp(m, list->wm->filename))
while(!strstr(list->wm->filename, m))
{ {
TRACE("%s: %x\n", list->wm->filename, list->wm->module); TRACE("%s: %x\n", list->wm->filename, list->wm->module);
list=list->prev; list=list->prev;
@ -295,6 +311,17 @@ static WINE_MODREF *MODULE_LoadLibraryExA( LPCSTR libname, HFILE hfile, DWORD fl
/* decrement the dependencies through the MODULE_FreeLibrary call. */ /* decrement the dependencies through the MODULE_FreeLibrary call. */
pwm->refCount++; pwm->refCount++;
#ifdef EMU_QTX_API
if(strstr(libname,"QuickTime.qts")){
void** ptr=0x62b75ca4;
fprintf(stderr,"QuickTime.qts entrypoint patched!!! old=%p\n",ptr[0]);
report_entry = report_func;
report_ret = report_func_ret;
wrapper_target=ptr[0];
ptr[0]=wrapper;
}
#endif
SetLastError( err ); /* restore last error */ SetLastError( err ); /* restore last error */
return pwm; return pwm;
} }
@ -344,6 +371,10 @@ HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
SetLastError(ERROR_INVALID_PARAMETER); SetLastError(ERROR_INVALID_PARAMETER);
return 0; return 0;
} }
wm=MODULE_FindModule(libname);
if(wm) return wm->module;
// if(fs_installed==0) // if(fs_installed==0)
// install_fs(); // install_fs();
@ -472,6 +503,337 @@ FARPROC WINAPI GetProcAddress( HMODULE hModule, LPCSTR function )
return MODULE_GetProcAddress( hModule, function, TRUE ); return MODULE_GetProcAddress( hModule, function, TRUE );
} }
#ifdef DEBUG_QTX_API
struct ComponentParameters {
unsigned char flags; /* call modifiers: sync/async, deferred, immed, etc */
unsigned char paramSize; /* size in bytes of actual parameters passed to this call */
short what; /* routine selector, negative for Component management calls */
long params[1]; /* actual parameters for the indicated routine */
};
typedef struct ComponentParameters ComponentParameters;
static char* component_func(int what){
switch(what){
case -1: return "kComponentOpenSelect";
case -2: return "kComponentCloseSelect";
case -3: return "kComponentCanDoSelect";
case -4: return "kComponentVersionSelect";
case -5: return "kComponentRegisterSelect";
case -6: return "kComponentTargetSelect";
case -7: return "kComponentUnregisterSelect";
}
return "???";
}
static char* component_func_type(int type,int what){
if(type==1) switch(what){
case 0: return "kImageCodecGetCodecInfoSelect";
case 1: return "kImageCodecGetCompressionTimeSelect";
case 5: return "kImageCodecPreDecompressSelect";
case 6: return "kImageCodecBandDecompressSelect";
case 0x12: return "kImageCodecDisposeMemorySelect";
case 0x10: return "kImageCodecIsImageDescriptionEquivalentSelect";
case 0x14: return "kImageCodecNewImageBufferMemorySelect";
case 0x28: return "kImageCodecRequestGammaLevelSelect";
}
return "???";
}
static int c_level=0;
static int dump_component(char* name,int type,void* _orig, ComponentParameters *params,void** glob){
int ( *orig)(ComponentParameters *params, void** glob) = _orig;
int ret,i;
if(params->what<0)
fprintf(stderr,"%*sComponentCall: %s flags=0x%X size=%d what=%d %s\n",3*c_level,"",name,params->flags, params->paramSize, params->what, component_func(params->what));
else
fprintf(stderr,"%*sComponentCall: %s flags=0x%X size=%d what=0x%X %s\n",3*c_level,"",name,params->flags, params->paramSize, params->what, component_func_type(type,params->what));
for(i=0;i<params->paramSize/4;i++)
fprintf(stderr,"%*s param[%d] = 0x%X\n",3*c_level,"",i,params->params[i]);
++c_level;
ret=orig(params,glob);
--c_level;
if(ret>=0x1000)
fprintf(stderr,"%*s return=0x%X\n",3*c_level,"",ret);
else
fprintf(stderr,"%*s return=%d\n",3*c_level,"",ret);
return ret;
}
#define DECL_COMPONENT(sname,name,type) \
static void* real_ ## sname = NULL; \
static int fake_ ## sname(ComponentParameters *params,void** glob){ \
return dump_component(name,type,real_ ## sname, params, glob); \
}
#include "qt_comp.h"
#undef DECL_COMPONENT
#include "qt_fv.h"
#endif
#ifdef EMU_QTX_API
static u_int32_t ret_array[4096];
static int ret_i=0;
static int report_func(void *stack_base, int stack_size, reg386_t *reg, u_int32_t *flags)
{
#ifdef DEBUG_QTX_API
int i;
int* dptr;
void* pwrapper=NULL;
void* pptr=NULL;
char* pname=NULL;
int plen=-1;
// find the code:
dptr=0x62b67ae0;dptr+=2*((reg->eax>>16)&255);
// printf("FUNC: flag=%d ptr=%p\n",dptr[0],dptr[1]);
if(dptr[0]&255){
dptr=dptr[1];dptr+=4*(reg->eax&65535);
// printf("FUNC: ptr2=%p eax=%p edx=%p\n",dptr[1],dptr[0],dptr[2]);
pwrapper=dptr[1]; pptr=dptr[0]; plen=dptr[2];
} else {
pwrapper=0x62924910;
switch(dptr[1]){
case 0x629248d0:
dptr=0x62b672c0;dptr+=2*(reg->eax&65535);
// printf("FUNC: ptr2=%p eax=%p edx=%p\n",0x62924910,dptr[0],dptr[1]);
pptr=dptr[0]; plen=dptr[1];
break;
case 0x62924e40:
dptr=0x62b67c70;dptr+=2*(reg->eax&65535);
// printf("FUNC: ptr2=%p eax=%p edx=%p\n",0x62924910,dptr[0],dptr[1]);
pptr=dptr[0]; plen=dptr[1];
break;
case 0x62924e60:
dptr=0x62b68108;if(reg->eax&0x8000) dptr+=2*(reg->eax|0xffff0000); else dptr+=2*(reg->eax&65535);
// printf("FUNC: ptr2=%p eax=%p edx=%p\n",0x62924910,dptr[0],dptr[1]);
pptr=dptr[0]; plen=dptr[1];
break;
case 0x62924e80:
dptr=0x62b68108;if(reg->eax&0x8000) dptr+=2*(reg->eax|0xffff0000); else dptr+=2*(reg->eax&65535);
// printf("FUNC: ptr2=%p eax=%p edx=%p\n",0x62924910,dptr[0],dptr[1]);
pptr=dptr[0]; plen=dptr[1];
break;
default:
printf("FUNC: unknown ptr & psize!\n");
pwrapper=dptr[1];
}
}
for(i=0;qt_fv_list[i].name;i++){
if(qt_fv_list[i].id==reg->eax){
pname=qt_fv_list[i].name;
break;
}
}
printf("FUNC[%X/%s]: wrapper=%p func=%p len=%d\n",reg->eax,
pname?pname:"???",pwrapper,pptr,plen);
printf("FUNC: caller=%p ebx=%p\n",((u_int32_t *)stack_base)[0],reg->ebx);
if(pname)
printf("%*sENTER(%d): %s(",ret_i*2,"",ret_i,pname);
else
printf("%*sENTER(%d): %X(",ret_i*2,"",ret_i,reg->eax);
for (i=0;i<plen/4;i++){
unsigned int val=((u_int32_t *)stack_base)[1+i];
unsigned char* fcc=&val;
printf("%s0x%X", i?", ":"",val);
if(fcc[0]>=0x20 && fcc[0]<128 &&
fcc[1]>=0x20 && fcc[1]<128 &&
fcc[2]>=0x20 && fcc[2]<128 &&
fcc[3]>=0x20 && fcc[3]<128) printf("='%c%c%c%c'",fcc[3],fcc[2],fcc[1],fcc[0]);
else if(val>=8 && val<65536) printf("=%d",val);
}
printf(")\n");
fflush(stdout);
#endif
#if 1
// emulate some functions:
switch(reg->eax){
// memory management:
case 0x150011: //NewPtrClear
case 0x150012: //NewPtrSysClear
reg->eax=malloc(((u_int32_t *)stack_base)[1]);
memset(reg->eax,0,((u_int32_t *)stack_base)[1]);
#ifdef DEBUG_QTX_API
printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
return 1;
case 0x15000F: //NewPtr
case 0x150010: //NewPtrSys
reg->eax=malloc(((u_int32_t *)stack_base)[1]);
#ifdef DEBUG_QTX_API
printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
return 1;
case 0x15002f: //DisposePtr
if(((u_int32_t *)stack_base)[1]>=0x60000000)
printf("WARNING! Invalid Ptr handle!\n");
else
free(((u_int32_t *)stack_base)[1]);
reg->eax=0;
#ifdef DEBUG_QTX_API
printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
return 1;
// mutexes:
case 0x1d0033: //QTMLCreateMutex
reg->eax=0xdeadbabe;
#ifdef DEBUG_QTX_API
printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
return 1;
case 0x1d0034: //QTMLDestroyMutex
case 0x1d0035: //QTMLGrabMutex
case 0x1d0036: //QTMLReturnMutex
case 0x1d003d: //QTMLTryGrabMutex
reg->eax=0;
#ifdef DEBUG_QTX_API
printf("%*sLEAVE(%d): EMULATED! 0x%X\n",ret_i*2,"",ret_i, reg->eax);
#endif
return 1;
}
#endif
#if 0
switch(reg->eax){
// case 0x00010000:
// printf("FUNC: ImageCodecInitialize/ImageCodecGetCodecInfo(ci=%p,&icap=%p)\n",((u_int32_t *)stack_base)[1],((u_int32_t *)stack_base)[4]);
// break;
case 0x00010003:
printf("FUNC: CountComponents(&desc=%p)\n",((u_int32_t *)stack_base)[1]);
break;
case 0x00010004:
printf("FUNC: FindNextComponent(prev=%p,&desc=%p)\n",((u_int32_t *)stack_base)[1],((u_int32_t *)stack_base)[2]);
break;
case 0x00010007:
printf("FUNC: OpenComponent(prev=%p)\n",((u_int32_t *)stack_base)[1]);
break;
case 0x0003008b:
printf("FUNC: QTNewGWorldFromPtr(&pts=%p,fourcc=%.4s,&rect=%p,x1=%p,x2=%p,x3=%p,plane=%p,stride=%d)\n",
((u_int32_t *)stack_base)[1],
&(((u_int32_t *)stack_base)[2]),
((u_int32_t *)stack_base)[3],
((u_int32_t *)stack_base)[4],
((u_int32_t *)stack_base)[5],
((u_int32_t *)stack_base)[6],
((u_int32_t *)stack_base)[7],
((u_int32_t *)stack_base)[8]);
break;
case 0x001c0018:
printf("FUNC: GetGWorldPixMap(gworld=%p)\n",((u_int32_t *)stack_base)[1]);
break;
case 0x00110001:
printf("FUNC: Gestalt(fourcc=%.4s, &ret=%p)\n",&(((u_int32_t *)stack_base)[1]),((u_int32_t *)stack_base)[2]);
break;
default: {
int i;
for(i=0;qt_fv_list[i].name;i++){
if(qt_fv_list[i].id==reg->eax){
printf("FUNC: %s\n",qt_fv_list[i].name);
break;
}
}
}
}
// print stack/reg information
printf("ENTER(%d) stack = %d bytes @ %p\n"
"eax = 0x%08x edx = 0x%08x ebx = 0x%08x ecx = 0x%08x\n"
"esp = 0x%08x ebp = 0x%08x esi = 0x%08x edi = 0x%08x\n"
"flags = 0x%08x\n", ret_i,
stack_size, stack_base,
reg->eax, reg->edx, reg->ebx, reg->ecx,
reg->esp, reg->ebp, reg->esi, reg->edi,
*flags);
#endif
// save ret addr:
ret_array[ret_i]=((u_int32_t *)stack_base)[0];
++ret_i;
#if 0
// print first 7 longs in the stack (return address, arg[1], arg[2] ... )
printf("stack[] = { ");
for (i=0;i<7;i++) {
printf("%08x ", ((u_int32_t *)stack_base)[i]);
}
printf("}\n\n");
#endif
// // mess with function parameters
// ((u_int32_t *)stack_base)[1] = 0x66554433;
// // mess with return address...
// reg->eax = 0x11223344;
return 0;
}
static int report_func_ret(void *stack_base, int stack_size, reg386_t *reg, u_int32_t *flags)
{
int i;
short err;
// restore ret addr:
--ret_i;
((u_int32_t *)stack_base)[0]=ret_array[ret_i];
#ifdef DEBUG_QTX_API
#if 1
printf("%*sLEAVE(%d): 0x%X",ret_i*2,"",ret_i, reg->eax);
err=reg->eax;
if(err && (reg->eax>>16)==0) printf(" = %d",err);
printf("\n");
fflush(stdout);
#else
// print stack/reg information
printf("LEAVE(%d) stack = %d bytes @ %p\n"
"eax = 0x%08x edx = 0x%08x ebx = 0x%08x ecx = 0x%08x\n"
"esp = 0x%08x ebp = 0x%08x esi = 0x%08x edi = 0x%08x\n"
"flags = 0x%08x\n", ret_i,
stack_size, stack_base,
reg->eax, reg->edx, reg->ebx, reg->ecx,
reg->esp, reg->ebp, reg->esi, reg->edi,
*flags);
#endif
#if 0
// print first 7 longs in the stack (return address, arg[1], arg[2] ... )
printf("stack[] = { ");
for (i=0;i<7;i++) {
printf("%08x ", ((u_int32_t *)stack_base)[i]);
}
printf("}\n\n");
#endif
#endif
// // mess with function parameters
// ((u_int32_t *)stack_base)[1] = 0x66554433;
// // mess with return address...
// reg->eax = 0x11223344;
return 0;
}
#endif
/*********************************************************************** /***********************************************************************
* MODULE_GetProcAddress (internal) * MODULE_GetProcAddress (internal)
*/ */
@ -484,10 +846,17 @@ FARPROC MODULE_GetProcAddress(
// WINE_MODREF *wm=local_wm; // WINE_MODREF *wm=local_wm;
FARPROC retproc; FARPROC retproc;
#ifdef DEBUG_QTX_API
if (HIWORD(function)) if (HIWORD(function))
TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function); fprintf(stderr,"XXX GetProcAddress(%08lx,%s)\n",(DWORD)hModule,function);
else else
TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function); fprintf(stderr,"XXX GetProcAddress(%08lx,%p)\n",(DWORD)hModule,function);
#endif
// TRACE_(win32)("(%08lx,%s)\n",(DWORD)hModule,function);
// else
// TRACE_(win32)("(%08lx,%p)\n",(DWORD)hModule,function);
if (!wm) { if (!wm) {
SetLastError(ERROR_INVALID_HANDLE); SetLastError(ERROR_INVALID_HANDLE);
return (FARPROC)0; return (FARPROC)0;
@ -497,7 +866,7 @@ FARPROC MODULE_GetProcAddress(
case MODULE32_PE: case MODULE32_PE:
retproc = PE_FindExportedFunction( wm, function, snoop ); retproc = PE_FindExportedFunction( wm, function, snoop );
if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND); if (!retproc) SetLastError(ERROR_PROC_NOT_FOUND);
return retproc; break;
#ifdef HAVE_LIBDL #ifdef HAVE_LIBDL
case MODULE32_ELF: case MODULE32_ELF:
retproc = (FARPROC) dlsym( (void*) wm->module, function); retproc = (FARPROC) dlsym( (void*) wm->module, function);
@ -509,6 +878,35 @@ FARPROC MODULE_GetProcAddress(
SetLastError(ERROR_INVALID_HANDLE); SetLastError(ERROR_INVALID_HANDLE);
return (FARPROC)0; return (FARPROC)0;
} }
#ifdef EMU_QTX_API
if (HIWORD(function) && retproc){
#ifdef DEBUG_QTX_API
#define DECL_COMPONENT(sname,name,type) \
if(!strcmp(function,name)){ \
fprintf(stderr,name "dispatcher catched -> %p\n",retproc); \
real_ ## sname = retproc; retproc = fake_ ## sname; \
}
#include "qt_comp.h"
#undef DECL_COMPONENT
#endif
if(!strcmp(function,"theQuickTimeDispatcher")
// || !strcmp(function,"_CallComponentFunctionWithStorage")
// || !strcmp(function,"_CallComponent")
){
fprintf(stderr,"theQuickTimeDispatcher catched -> %p\n",retproc);
report_entry = report_func;
report_ret = report_func_ret;
wrapper_target=retproc;
retproc=wrapper;
}
}
#endif
return retproc;
} }
static int acounter = 0; static int acounter = 0;

27
loader/qt_comp.h Normal file

@ -0,0 +1,27 @@
DECL_COMPONENT(sorenson3,"SMD_ComponentDispatch",1)
DECL_COMPONENT(sorenson,"SorensonYUV9Dispatcher",1)
DECL_COMPONENT(sorenson1,"SVD_ComponentDispatch",1)
DECL_COMPONENT(genericd,"GenericComponentDispatch",0)
DECL_COMPONENT(stmedia,"STMediaComponentDispatch",0)
DECL_COMPONENT(handlecd,"HandleComponentDispatch",0)
DECL_COMPONENT(pcxcd,"PCExchangeComponentDispatch",0)
DECL_COMPONENT(capcd,"CapComponentDispatch",0)
DECL_COMPONENT(videocd,"VideoComponentDispatch",0)
DECL_COMPONENT(soundcd,"SoundComponentDispatch",0)
DECL_COMPONENT(scalingcd,"ScalingCodecDispatcher",0)
DECL_COMPONENT(formatcnv,"FormatConverterDispatch",0)
DECL_COMPONENT(basecd,"Base_CDComponentDispatch",1)
DECL_COMPONENT(ddcd,"DD_CDComponentDispatch",0)
DECL_COMPONENT(fakergb,"FakeRGBDispatcher",0)
DECL_COMPONENT(rawcd,"RAW_CDComponentDispatch",0)
DECL_COMPONENT(yuvsgi,"YUVSGI_CDComponentDispatch",0)
DECL_COMPONENT(yuvs,"YUVS_CDComponentDispatch",0)
DECL_COMPONENT(yuvu,"YUVU_CDComponentDispatch",0)
DECL_COMPONENT(qdm2d,"QDM2Decompressor",0)
DECL_COMPONENT(mace3d,"Mace3DecompDispatch",0)
//DECL_COMPONENT(,"",0)

1586
loader/qt_fv.h Normal file

File diff suppressed because it is too large Load Diff

83
loader/wrapper.S Normal file

@ -0,0 +1,83 @@
.section .data
.globl caller_return
caller_return:
.long 0
.globl report_entry
report_entry:
.long null_call
.globl report_ret
report_ret:
.long null_call
.global wrapper_target
wrapper_target:
.long null_call
.section .text
.globl null_call
.type null_call, @function
.align 16,0x90
null_call:
ret
.globl wrapper
.type wrapper, @function
.align 16,0x90
wrapper:
pusha # store registers (EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI)
pushf # store flags
push %ebp # set up a stack frame
movl %esp, %ebp
leal 4(%ebp), %eax # push flags addr
push %eax
leal 8(%ebp), %eax # push registers addr
push %eax
leal 40(%ebp), %edx
movl (%ebp), %eax
subl %edx, %eax
push %eax
push %edx
call *report_entry # report entry
test %eax, %eax
jnz .Ldone
leave # restore %esp, %ebp
popf # restore flags
popa # restore registers
popl caller_return # switch return addresses
pushl $.Lwrapper_return
jmp *wrapper_target # wrapper_target should return at .Lwrapper_return
.align 16, 0x90
.Lwrapper_return:
pushl caller_return # restore the original return address
pusha # more for reference sake here
pushf
push %ebp # set up a stack frame
movl %esp, %ebp
leal 4(%ebp), %eax # push flags addr
push %eax
leal 8(%ebp), %eax # push registers addr
push %eax
leal 40(%ebp), %edx # push stack top address (relative to our entry)
movl (%ebp), %eax
subl %edx, %eax # calculate difference between entry and previous frame
push %eax
push %edx
call *report_ret # report the return information (same args)
.Ldone:
leave
popf
popa
ret

20
loader/wrapper.h Normal file

@ -0,0 +1,20 @@
#ifndef _WRAPPER_H
#define _WRAPPER_H
#include <sys/types.h>
typedef struct {
u_int32_t edi, esi, ebp, esp, ebx, edx, ecx, eax;
} reg386_t;
typedef int (*wrapper_func_t)(void *stack_base, int stack_size, reg386_t *reg, u_int32_t *flags);
extern wrapper_func_t report_entry, report_ret;
extern void (*wrapper_target)(void);
extern int wrapper(void);
extern int null_call(void);
#endif /* _WRAPPER_H */