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ntdll: Implement RtlInstallFunctionTableCallback on x86_64.

This commit is contained in:
Sebastian Lackner 2014-04-07 00:41:30 +02:00 committed by Alexandre Julliard
parent 98307b22fb
commit 4d8edf7612
3 changed files with 51 additions and 1 deletions
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1
dlls/ntdll/ntdll.spec
View File

@ -689,6 +689,7 @@
# @ stub RtlInitializeStackTraceDataBase
@ stub RtlInsertElementGenericTable
# @ stub RtlInsertElementGenericTableAvl
@ cdecl -arch=x86_64 RtlInstallFunctionTableCallback(long long long ptr ptr wstr)
@ stdcall RtlInt64ToUnicodeString(int64 long ptr)
@ stdcall RtlIntegerToChar(long long long ptr)
@ stdcall RtlIntegerToUnicodeString(long long ptr)

48
dlls/ntdll/signal_x86_64.c
View File

@ -287,6 +287,10 @@ struct dynamic_unwind_entry
/* lookup table */
RUNTIME_FUNCTION *table;
DWORD table_size;
/* user defined callback */
PGET_RUNTIME_FUNCTION_CALLBACK callback;
PVOID context;
};
static struct list dynamic_unwind_list = LIST_INIT(dynamic_unwind_list);
@ -1979,7 +1983,12 @@ static RUNTIME_FUNCTION *lookup_function_info( ULONG64 pc, ULONG64 *base, LDR_MO
if (pc >= entry->base && pc < entry->base + entry->size)
{
*base = entry->base;
func = find_function_info( pc, (HMODULE)entry->base, entry->table, entry->table_size );
/* use callback or lookup in function table */
if (entry->callback)
func = entry->callback( pc, entry->context );
else
func = find_function_info( pc, (HMODULE)entry->base, entry->table, entry->table_size );
break;
}
}
@ -2585,6 +2594,43 @@ BOOLEAN CDECL RtlAddFunctionTable( RUNTIME_FUNCTION *table, DWORD count, DWORD64
entry->size = table[count - 1].EndAddress;
entry->table = table;
entry->table_size = count * sizeof(RUNTIME_FUNCTION);
entry->callback = NULL;
entry->context = NULL;
RtlEnterCriticalSection( &dynamic_unwind_section );
list_add_tail( &dynamic_unwind_list, &entry->entry );
RtlLeaveCriticalSection( &dynamic_unwind_section );
return TRUE;
}
/**********************************************************************
* RtlInstallFunctionTableCallback (NTDLL.@)
*/
BOOLEAN CDECL RtlInstallFunctionTableCallback( DWORD64 table, DWORD64 base, DWORD length,
PGET_RUNTIME_FUNCTION_CALLBACK callback, PVOID context, PCWSTR dll )
{
struct dynamic_unwind_entry *entry;
TRACE( "%lx %lx %d %p %p %s\n", table, base, length, callback, context, wine_dbgstr_w(dll) );
/* NOTE: Windows doesn't check if the provided callback is a NULL pointer */
/* both low-order bits must be set */
if ((table & 0x3) != 0x3)
return FALSE;
entry = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*entry) );
if (!entry)
return FALSE;
entry->base = base;
entry->size = length;
entry->table = (RUNTIME_FUNCTION *)table;
entry->table_size = 0;
entry->callback = callback;
entry->context = context;
RtlEnterCriticalSection( &dynamic_unwind_section );
list_add_tail( &dynamic_unwind_list, &entry->entry );

3
include/winnt.h
View File

@ -1193,8 +1193,11 @@ typedef struct _KNONVOLATILE_CONTEXT_POINTERS
} DUMMYUNIONNAME2;
} KNONVOLATILE_CONTEXT_POINTERS, *PKNONVOLATILE_CONTEXT_POINTERS;
typedef PRUNTIME_FUNCTION (CALLBACK *PGET_RUNTIME_FUNCTION_CALLBACK)(DWORD64,PVOID);
BOOLEAN CDECL RtlAddFunctionTable(RUNTIME_FUNCTION*,DWORD,DWORD64);
BOOLEAN CDECL RtlDeleteFunctionTable(RUNTIME_FUNCTION*);
BOOLEAN CDECL RtlInstallFunctionTableCallback(DWORD64,DWORD64,DWORD,PGET_RUNTIME_FUNCTION_CALLBACK,PVOID,PCWSTR);
PRUNTIME_FUNCTION WINAPI RtlLookupFunctionEntry(DWORD64,DWORD64*,UNWIND_HISTORY_TABLE*);
PVOID WINAPI RtlVirtualUnwind(ULONG,ULONG64,ULONG64,RUNTIME_FUNCTION*,CONTEXT*,PVOID*,ULONG64*,KNONVOLATILE_CONTEXT_POINTERS*);