//--------------------------------------------------------------------------
ea_t win32_debmod_t::get_process_base(size_t size)
{
ea_t ea = kd.aInfo[KINX_PROCARRAY];
for ( int i=0; i < MAX_PROCESSES; i++, ea+=size )
{
if ( is_ce500() )
{
win500_process_t &p = *(win500_process_t*)ea;
if ( p.dwVMBase == slot )
{
process_objcnt = p.e32.objcnt;
process_o32_ptr = p.o32_ptr;
process_vbase = p.e32.vbase;
return p.e32.vbase; // we always use slot 0
}
}
else
{
win420_process_t &p = *(win420_process_t*)ea;
if ( p.dwVMBase == slot )
{
process_objcnt = p.e32.objcnt;
process_o32_ptr = p.o32_ptr;
process_vbase = p.e32.vbase;
return p.e32.vbase; // we always use slot 0
}
}
}
warning("WinCE: could not find process base for slot 0x%08X", slot);
return 0;
}
//--------------------------------------------------------------------------
static int match_module_baseptr(wince_module_t *wm, void *ud)
{
ea_t base = *(ea_t *)ud;
if ( is_ce500() )
{
win500_module_t *w = (win500_module_t *)wm;
return (ea_t)w->BasePtr == base;
}
else
{
win420_module_t *w = (win420_module_t *)wm;
return (ea_t)w->BasePtr == base;
}
}
//--------------------------------------------------------------------------
ea_t get_process_slot(HANDLE phandle)
{
size_t size = is_ce500()
? sizeof(win500_process_t)
: sizeof(win420_process_t);
__try
{
ea_t ea = kd.aInfo[KINX_PROCARRAY];
for ( int i=0; i < MAX_PROCESSES; i++, ea+=size )
{
win420_process_t &p = *(win420_process_t*)ea;
if ( p.hProc == phandle )
return p.dwVMBase;
}
}
__except ( EXCEPTION_EXECUTE_HANDLER )
{
}
warning("WinCE: could not find process slot for 0x%08X", phandle);
return 0;
}
//--------------------------------------------------------------------------
LPVOID win32_debmod_t::correct_exe_image_base(LPVOID base)
{
// we have to correct the image base for Windows CE since
// the kernel returns only the slot number, not the image base
if ( is_ce600() )
return base;
slot = (ea_t)base;
ea_t ea;
__try
{
size_t size = is_ce500()
? sizeof(win500_process_t)
: sizeof(win420_process_t);
ea = get_process_base(size);
}
__except ( EXCEPTION_EXECUTE_HANDLER )
{
}
base = (LPVOID)ea;
return base;
}
//--------------------------------------------------------------------------
static int enumerate_modules(int (*func)(wince_module_t *wm, void *),
void *ud,
wince_module_t *result)
{
int code = 0;
size_t size = is_ce500()
? sizeof(win500_module_t)
: sizeof(win420_module_t);
__try
{
KDataStruct kd;
if ( !myread(KDataStructAddr, &kd, sizeof(kd)) )
return 0;
ea_t ea = kd.aInfo[KINX_MODULES];
while ( ea != 0 )
{
wince_module_t wm;
if ( !myread(ea, &wm, size) )
return 0;
code = func(&wm, ud);
if ( code != 0 )
{
if ( result != NULL )
memcpy(result, &wm, size);
break;
}
win420_module_t *ptr = (win420_module_t*)&wm;
ea = (ea_t)ptr->pMod;
}
}
__except ( EXCEPTION_EXECUTE_HANDLER )
{
msg("failed to obtain module list\n");
}
return code;
}
//--------------------------------------------------------------------------
bool win32_debmod_t::get_dll_exports(
const images_t &dlls,
ea_t imagebase,
name_info_t &ni,
const char *exported_name)
{
int i;
wince_module_t wm;
if ( !find_module(imagebase, &wm) )
return false;
common_e32_lite &e32 = get_e32(&wm);
petab_t *pexpdir;
if ( is_ce500() )
{
win500_e32_lite *e32_500 = (win500_e32_lite *)&e32;
pexpdir = &e32_500->unit[E32_LITE_EXP];
}
else
{
win420_e32_lite *e32_420 = (win420_e32_lite *)&e32;
pexpdir = &e32_420->unit[E32_LITE_EXP];
}
petab_t &expdir = *pexpdir;
if ( expdir.size <= 0 )
return false;
// calculate the export directory address
ea_t o32_ptr = (ea_t)get_o32_ptr(&wm);
ea_t exp_ea = BADADDR;
// no memory or bad object count
o32_lite *ao32 = new o32_lite[e32.objcnt];
if ( ao32 == NULL )
return false;
if ( myread(o32_ptr, ao32, e32.objcnt * sizeof(o32_lite)) )
{
for ( i=0; i < e32.objcnt; i++ )
{
o32_lite &o32 = ao32[i];
if ( expdir.rva >= o32.rva && expdir.rva+expdir.size <= o32.rva+o32.vsize )
exp_ea = o32.realaddr + (expdir.rva - o32.rva);
}
}
delete [] ao32;
if ( exp_ea == BADADDR )
return false;
// read export section
uchar *data = new uchar[expdir.size];
if ( data == NULL )
return false;
bool ok = false;
const uint32 *end = (const uint32 *)(data + expdir.size);
if ( myread(exp_ea, data, expdir.size) )
{
peexpdir_t &ed = *(peexpdir_t *)data;
char *dllname = (char *)data + ed.dllname - expdir.rva;
if ( dllname < (char *)data || dllname >= (char*)end )
dllname = "";
char *dot = strrchr(dllname, '.');
if ( dot != NULL )
*dot = '\0';
const uint32 *names = (const uint32 *)(data + ed.namtab - expdir.rva);
const uint16 *ords = (const uint16 *)(data + ed.ordtab - expdir.rva);
const uint32 *addrs = (const uint32 *)(data + ed.adrtab - expdir.rva);
if ( names < end && (uint32*)ords < end && addrs < end )
{
// ordinals -> names
typedef std::map<int, qstring> expfunc_t;
expfunc_t funcs;
for ( i=0; i < ed.nnames; i++ )
{
const char *name = (char*)data + names[i] - expdir.rva;
if ( name >= (char*)data && name < (char*)end )
funcs.insert(make_pair(ed.ordbase + ords[i], qstring(name)));
}
for ( i=0; i < ed.naddrs; i++ )
{
char buf[MAXSTR];
uint32 adr = addrs[i];
if ( adr == 0 )
continue;
int ord = ed.ordbase + i;
ea_t fulladdr = imagebase + adr;
expfunc_t::iterator p = funcs.find(ord);
if ( p != funcs.end() )
qsnprintf(buf, sizeof(buf), "%s_%s", dllname, p->second.c_str());
else
qsnprintf(buf, sizeof(buf), "%s_%d", dllname, ord);
ni.addrs.push_back(fulladdr);
ni.names.push_back(qstrdup(buf));
ok = true;
}
}
}
delete [] data;
return ok;
}
