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192 lines
3.8 KiB
192 lines
3.8 KiB
//++
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//
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// Copyright (c) 1990 Microsoft Corporation
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//
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// Module Name:
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//
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// debug3.c
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//
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// Abstract:
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//
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// This module implements architecture specific functions to support debugging NT.
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//
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// Author:
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//
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// Steven R. Wood (stevewo) 3-Aug-1989
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//
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// Environment:
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//
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// Any mode.
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//
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// Revision History:
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//
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//--
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#include "stdarg.h"
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#include "stdio.h"
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#include "string.h"
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#include "ntrtlp.h"
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//
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// Prototype for local procedure
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//
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NTSTATUS
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DebugService(
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ULONG ServiceClass,
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PVOID Arg1,
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PVOID Arg2,
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PVOID Arg3,
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PVOID Arg4
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);
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NTSTATUS
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DebugService(
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ULONG ServiceClass,
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PVOID Arg1,
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PVOID Arg2,
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PVOID Arg3,
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PVOID Arg4
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)
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//++
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//
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// Routine Description:
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//
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// Allocate an ExceptionRecord, fill in data to allow exception
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// dispatch code to do the right thing with the service, and
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// call RtlRaiseException (NOT ExRaiseException!!!).
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//
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// Arguments:
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// ServiceClass - which call is to be performed
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// Arg1 - generic first argument
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// Arg2 - generic second argument
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// Arg3 - generic third argument
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// Arg4 - generic fourth argument
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//
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// Returns:
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// Whatever the exception returns in eax
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//
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//--
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{
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NTSTATUS RetValue;
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#if defined(BUILD_WOW6432)
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extern NTSTATUS NtWow64DebuggerCall(ULONG, PVOID, PVOID, PVOID, PVOID);
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RetValue = NtWow64DebuggerCall(ServiceClass, Arg1, Arg2, Arg3, Arg4);
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#else
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_asm {
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push edi
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push ebx
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mov eax, ServiceClass
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mov ecx, Arg1
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mov edx, Arg2
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mov ebx, Arg3
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mov edi, Arg4
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int 2dh ; Raise exception
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int 3 ; DO NOT REMOVE (See KiDebugService)
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pop ebx
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pop edi
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mov RetValue, eax
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}
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#endif
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return RetValue;
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}
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VOID
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DebugService2(
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PVOID Arg1,
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PVOID Arg2,
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ULONG ServiceClass
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)
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//++
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//
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// Routine Description:
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//
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// Generic exception dispatcher for the debugger
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//
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// Arguments:
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// Arg1 - generic first argument
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// Arg2 - generic second argument
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// ServiceClass - which call is to be performed
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//
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// Returns:
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// Whatever the exception returns in eax
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//
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//--
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{
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#if defined(BUILD_WOW6432)
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extern NTSTATUS NtWow64DebuggerCall(ULONG, PVOID, PVOID, PVOID, PVOID);
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NtWow64DebuggerCall(ServiceClass, Arg1, Arg2, 0, 0);
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#else
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_asm {
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//push edi
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//push ebx
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mov eax, ServiceClass
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mov ecx, Arg1
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mov edx, Arg2
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//mov ebx, Arg3
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//mov edi, Arg4
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int 2dh ; Raise exception
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int 3 ; DO NOT REMOVE (See KiDebugService)
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//pop ebx
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//pop edi
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}
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#endif
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return;
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}
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// DebugPrint must appear after DebugSerive. Moved
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// it down below DebugService, so BBT would have a label after DebugService.
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// A label after the above _asm is necessary so BBT can treat DebugService
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// as "KnownDataRange". Otherwise, the two 'int' instructions could get broken up
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// by BBT's optimizer.
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//
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NTSTATUS
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DebugPrint(
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IN PSTRING Output,
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IN ULONG ComponentId,
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IN ULONG Level
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)
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{
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return DebugService(BREAKPOINT_PRINT,
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Output->Buffer,
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(PVOID)Output->Length,
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(PVOID)ComponentId,
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(PVOID)Level);
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}
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ULONG
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DebugPrompt(
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IN PSTRING Output,
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IN PSTRING Input
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)
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{
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return DebugService(BREAKPOINT_PROMPT,
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Output->Buffer,
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(PVOID)Output->Length,
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Input->Buffer,
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(PVOID)Input->MaximumLength);
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}
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