Source code of Windows XP (NT5)
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/*++ BUILD Version: 0001 // Increment this if a change has global effects
Copyright (c) 1990-1997 Microsoft Corporation
Module Name:
acpintsd.c
Abstract:
ACPI-Specific NTSD Extensions
Environment:
Win32
Revision History:
--*/
#include "acpintsd.h"
NTSD_EXTENSION_APIS ExtensionApis;
HANDLE ExtensionCurrentProcess;
PUCHAR ScTableName[] = {
"ParseFunctionHandler",
"ParseArgument",
"ParseArgumentObject",
"ParseBuffer",
"ParseByte",
"ParseCodeObject",
"ParseConstObject",
"ParseData",
"ParseDelimiter",
"ParseDword",
"ParseField",
"ParseLocalObject",
"ParseName",
"ParseNameObject",
"ParseOpcode",
"ParsePackage",
"ParsePop",
"ParsePush",
"ParseSuperName",
"ParseTrailingArgument",
"ParseTrailingBuffer",
"ParseTrailingPackage",
"ParseVariableObject",
"ParseWord"
};
VOID
dumpParseStack(
DWORD AddrStack
)
/*++
Routine Description:
This dumps the parse stack
Arguments:
AddrStack: Address of the stack to dump
Return Value:
None
--*/
{
BOOL b;
STRING_STACK tempStack;
PSTRING_STACK stack;
ULONG index;
//
// Read the stack header into memory
//
b = ReadMemory(
(LPVOID) AddrStack,
&tempStack,
sizeof(STRING_STACK),
NULL
);
if (!b) {
return;
}
//
// Allocate memory for the entire stack
//
stack = (PSTRING_STACK) LocalAlloc(
LMEM_ZEROINIT,
sizeof(STRING_STACK) + tempStack.StackSize - 1
);
if (!stack) {
return;
}
//
// Read the entire stack
//
b = ReadMemory(
(LPVOID) AddrStack,
stack,
sizeof(STRING_STACK) + tempStack.StackSize - 1,
NULL
);
if (!b) {
LocalFree( stack );
return;
}
//
// Show the user something
//
dprintf(
"ParseStack: Size 0x%x Top: 0x%x\n",
tempStack.StackSize,
tempStack.TopOfStack
);
if (tempStack.TopOfStack == 0) {
dprintf("Stack is empty\n");
return;
}
//
// Walk the stack
//
for (index = tempStack.TopOfStack - 1; ; index--) {
dprintf("[%2d] %s\n", index, ScTableName[ stack->Stack[index] ] );
if (index == 0) {
break;
}
}
//
// Free the stack
//
LocalFree( stack );
}
VOID
dumpStringStack(
DWORD AddrStack
)
/*++
Routine Description:
This dumps the parse stack
Arguments:
AddrStack: Address of the stack to dump
Return Value:
None
--*/
{
BOOL b;
STRING_STACK tempStack;
PSTRING_STACK stack;
ULONG index;
//
// Read the stack header into memory
//
b = ReadMemory(
(LPVOID) AddrStack,
&tempStack,
sizeof(STRING_STACK),
NULL
);
if (!b) {
return;
}
//
// Allocate memory for the entire stack
//
stack = (PSTRING_STACK) LocalAlloc(
LMEM_ZEROINIT,
sizeof(STRING_STACK) + tempStack.StackSize
);
if (!stack) {
return;
}
//
// Read the entire stack
//
b = ReadMemory(
(LPVOID) AddrStack,
stack,
sizeof(STRING_STACK) + tempStack.StackSize - 1,
NULL
);
if (!b) {
LocalFree( stack );
return;
}
//
// Show the user something
//
dprintf(
"StringStack: Size 0x%x Top: 0x%x\nString: '%s'\n",
tempStack.StackSize,
tempStack.TopOfStack,
stack->Stack
);
//
// Free the stack
//
LocalFree( stack );
}
VOID
dumpScope(
PSCOPE Scope
)
/*++
Routine Description:
Dumps a scope, as used in the ACPI unasm.lib
Arguments:
Scope - LocalCopy of the scope
Return Value:
None
--*/
{
BOOL b;
AMLTERM amlTerm;
UCHAR buffer[64];
dprintf("%8x %8x %8x %8x %2x %2x %2x %1d %8x",
Scope->CurrentByte,
Scope->TermByte,
Scope->LastByte,
Scope->StringStack,
Scope->Context1,
Scope->Context2,
Scope->Flags,
Scope->IndentLevel,
Scope->AmlTerm
);
b = ReadMemory(
Scope->AmlTerm,
&amlTerm,
sizeof(AMLTERM),
NULL
);
if (!b) {
dprintf("\n");
return;
} else {
dprintf(" %4x %4x\n",
amlTerm.OpCode,
amlTerm.OpCodeFlags
);
b = ReadMemory(
amlTerm.TermName,
buffer,
64,
NULL
);
if (b) {
dprintf(" %-60s\n", buffer );
}
}
}
VOID
dumpScopeHeader(
BOOL Verbose
)
/*++
Routine Description:
Dumps the header for a scope stack dump
Arguments:
Verbose: wether or not to include the field for stack level
Return Value:
None
--*/
{
if (Verbose) {
dprintf("Level ");
}
dprintf(" Current First Last S.Stack C1 C2 Fl I AML Term OpCd Flag\n" );
}
DECLARE_API( sscope )
/*++
Routine Description:
Dumps one of the stacks used by the ACPI Unassembler
Arguments:
hCurrentProcess - Supplies a handle to the current process (at the
time the extension was called).
hCurrentThread - Supplies a handle to the current thread (at the
time the extension was called).
CurrentPc - Supplies the current pc at the time the extension is
called.
lpExtensionApis - Supplies the address of the functions callable
by this extension.
lpArgumentString - Supplies the asciiz string that describes the
ansi string to be dumped.
Return Value:
None
--*/
{
BOOL b;
DWORD addrStack;
DWORD i;
DWORD offset;
DWORD top;
STACK tempStack;
PSTACK stack;
PSCOPE scope;
INIT_API();
//
// Evaluate the argument string to get the address of the
// stack to dump
//
addrStack = GetExpression( lpArgumentString );
if ( !addrStack) {
return;
}
//
// Read the stack header into memory
//
b = ReadMemory(
(LPVOID) addrStack,
&tempStack,
sizeof(STACK),
NULL
);
if (!b) {
return;
}
//
// Allocate memory for the entire stack
//
stack = (PSTACK) LocalAlloc(
LMEM_ZEROINIT,
sizeof(STACK) + tempStack.StackSize - 1
);
if (!stack) {
return;
}
//
// Read the entire stack
//
b = ReadMemory(
(LPVOID) addrStack,
stack,
sizeof(STACK) + tempStack.StackSize - 1,
NULL
);
if (!b) {
LocalFree( stack );
return;
}
//
// Show the user something
//
dumpScopeHeader( TRUE );
//
// Loop on each of the scopes
//
for (top = (stack->TopOfStack / stack->StackElementSize) - 1;;top--) {
scope = (PSCOPE) &(stack->Stack[ top * stack->StackElementSize ] );
dprintf("[%2d]: ", top );
dumpScope(scope);
if (top == 0) {
dumpParseStack( (DWORD) scope->ParseStack );
dumpStringStack( (DWORD) scope->StringStack );
break;
}
}
//
// Done
//
LocalFree( stack );
}
DECLARE_API( amlterm )
{
BOOL b;
DWORD addrTerm;
DWORD offset;
AMLTERM amlTerm;
UCHAR nameBuff[17];
UCHAR symbolBuff[128];
INIT_API();
//
// Evaluate the argument string to get the address of the
// term to dump
//
addrTerm = GetExpression( lpArgumentString );
if ( !addrTerm ) {
return;
}
//
// Read the term into memory
//
b = ReadMemory(
(LPVOID) addrTerm,
&amlTerm,
sizeof(AMLTERM),
NULL
);
if (!b) {
return;
}
//
// Begin to print things
//
dprintf("AMLTERM: %x\n", addrTerm);
//
// Read the name of the term into memory
//
nameBuff[16] = '\0';
b = ReadMemory(
(LPVOID) amlTerm.TermName,
nameBuff,
16,
NULL
);
dprintf("Name: %-16s ",( !b ? "<Cannot Read Name>" : nameBuff) );
//
// Handle the symbol term
//
if (amlTerm.FunctionHandler != NULL) {
//
// Read the symbol of the term
//
GetSymbol( (LPVOID) amlTerm.FunctionHandler, symbolBuff, &offset );
dprintf(" Handler: %-30s\n", symbolBuff );
} else {
dprintf("\n");
}
//
// Display the opcode
//
if ( amlTerm.OpCode > 0xFF) {
dprintf(
"Opcode: %2x %2x",
(amlTerm.OpCode & 0xff),
(amlTerm.OpCode >> 8)
);
} else {
dprintf("Opcode: %2x ", amlTerm.OpCode );
}
//
// Display the Argument Types
//
RtlZeroMemory( nameBuff, 17 );
if (amlTerm.ArgumentTypes) {
b = ReadMemory(
(LPVOID) amlTerm.ArgumentTypes,
nameBuff,
16,
NULL
);
dprintf(" Args: %-4s", (!b ? "????" : nameBuff ) );
} else {
dprintf(" Args: %-4s", "None");
}
//
// Display the flags
//
switch( (amlTerm.OpCodeFlags & 0xF) ) {
case 0: dprintf(" Flags: NORMAL "); break;
case 1: dprintf(" Flags: VARIABLE"); break;
case 2: dprintf(" Flags: ARG "); break;
case 3: dprintf(" Flags: LOCAL "); break;
case 4: dprintf(" Flags: CONSTANT"); break;
case 5: dprintf(" Flags: NAME "); break;
case 6: dprintf(" Flags: DATA "); break;
case 7: dprintf(" Flags: DEBUG "); break;
case 8: dprintf(" Flags: REF "); break;
default: dprintf(" Flags: UNKNOWN "); break;
}
//
// Display the term group
//
switch(amlTerm.TermGroup & 0xF) {
case 1: dprintf(" Group: NAMESPACE\n"); break;
case 2: dprintf(" Group: NAMED OBJECT\n"); break;
case 3: dprintf(" Group: TYPE 1\n"); break;
case 4: dprintf(" Group: TYPE 2\n"); break;
case 5: dprintf(" Group: OTHER\n"); break;
default: dprintf(" Group: UNKNOWN\n"); break;
}
}
DECLARE_API( scope )
{
BOOL b;
DWORD addrScope;
SCOPE scope;
INIT_API();
//
// Evaluate the argument string to get the address of the
// stack to dump
//
addrScope = GetExpression( lpArgumentString );
if ( !addrScope) {
return;
}
//
// Read the stack header into memory
//
b = ReadMemory(
(LPVOID) addrScope,
&scope,
sizeof(scope),
NULL
);
if (!b) {
return;
}
//
// Dump the string to the user
//
dumpScopeHeader(FALSE);
dumpScope( &scope );
}
DECLARE_API( pstack )
{
DWORD addrStack;
INIT_API();
addrStack = GetExpression( lpArgumentString );
if (!addrStack) {
return;
}
dumpParseStack( addrStack );
}
DECLARE_API( sstack )
{
DWORD addrStack;
INIT_API();
addrStack = GetExpression( lpArgumentString );
if (!addrStack) {
return;
}
dumpStringStack( addrStack );
}
DECLARE_API( version )
{
OSVERSIONINFOA VersionInformation;
HKEY hkey;
DWORD cb, dwType;
CHAR szCurrentType[128];
CHAR szCSDString[3+128];
INIT_API();
VersionInformation.dwOSVersionInfoSize = sizeof(VersionInformation);
if (!GetVersionEx( &VersionInformation )) {
dprintf("GetVersionEx failed - %u\n", GetLastError());
return;
}
szCurrentType[0] = '\0';
if (RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
"Software\\Microsoft\\Windows NT\\CurrentVersion",
0,
KEY_READ,
&hkey
) == NO_ERROR
) {
cb = sizeof(szCurrentType);
if (RegQueryValueEx(
hkey,
"CurrentType",
NULL,
&dwType,
szCurrentType,
&cb ) != 0
) {
szCurrentType[0] = '\0';
}
}
RegCloseKey(hkey);
if (VersionInformation.szCSDVersion[0]) {
sprintf(
szCSDString,
": %s",
VersionInformation.szCSDVersion
);
} else {
szCSDString[0] = '\0';
}
dprintf(
"Version %d.%d (Build %d%s) %s\n",
VersionInformation.dwMajorVersion,
VersionInformation.dwMinorVersion,
VersionInformation.dwBuildNumber,
szCSDString,
szCurrentType
);
return;
}
DECLARE_API( help )
{
INIT_API();
dprintf("!version - Dump System Version and Build Number\n");
dprintf("!sscope - Dump an UnASM Scope Stack\n");
dprintf("!scope - Dump an UnASM Scope\n");
dprintf("!pstack - Dump an UnASM Parse Stack\n");
dprintf("!sstack - Dump an UnASM String STack\n");
}