87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
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// Copyright (c) 1990 Microsoft Corporation
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// Module Name:
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// debug3.c
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// Abstract:
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// This module implements architecture specific functions to support debugging NT.
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// Author:
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// Steven R. Wood (stevewo) 3-Aug-1989
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// Environment:
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// Any mode.
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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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// Prototype for local procedure
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NTSTATUS DebugService(ULONG ServiceClass, PVOID Arg1, PVOID Arg2);
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VOID _fptrap() {};
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NTSTATUS DebugPrint(IN PSTRING Output)
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{
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return DebugService( BREAKPOINT_PRINT, Output, 0 );
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}
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ULONG DebugPrompt(IN PSTRING Output, IN PSTRING Input)
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{
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return DebugService( BREAKPOINT_PROMPT, Output, Input );
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}
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VOID DebugLoadImageSymbols(IN PSTRING FileName, IN PKD_SYMBOLS_INFO SymbolInfo)
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{
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DebugService( BREAKPOINT_LOAD_SYMBOLS, FileName, SymbolInfo );
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}
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NTSTATUS DebugService(ULONG ServiceClass, PVOID Arg1, PVOID Arg2)
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// Routine Description:
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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 call RtlRaiseException (NOT ExRaiseException!!!).
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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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// Returns:
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// Whatever the exception returns in eax
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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);
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RetValue = NtWow64DebuggerCall(ServiceClass, Arg1, Arg2);
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#else
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_asm {
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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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int 2dh ; Raise exception
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int 3 ; DO NOT REMOVE (See KiDebugService)
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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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// DebugUnloadImageSymbols 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 as "KnownDataRange".
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// Otherwise, the two 'int' instructions could get broken up by BBT's optimizer.
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VOID DebugUnLoadImageSymbols(IN PSTRING FileName, IN PKD_SYMBOLS_INFO SymbolInfo)
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{
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DebugService( BREAKPOINT_UNLOAD_SYMBOLS, FileName, SymbolInfo );
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}
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