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/*
* Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
#ifndef _MESSAGE_
#define _MESSAGE_
// These are the commands sent from the server to the child processes
// over the child processes' stdin pipes. A subset of the commands
// understood by the overall system, these require responses from the
// child process. Having a data structure rather than sending text
// simplifies parsing on the child side. The child replies by sending
// back fully-formatted replies which are copied by the server process
// to the clients' sockets.
struct PeekArg {
DWORD address;
DWORD numBytes;
};
// NOTE: when sending a PokeArg to the child process, we handle the
// buffer specially
struct PokeArg {
DWORD address;
DWORD numBytes;
void* data;
};
// Used for continueevent
struct BoolArg {
bool val;
};
// Used for duphandle, closehandle, and getcontext
struct HandleArg {
HANDLE handle;
};
// Used for setcontext
const int NUM_REGS_IN_CONTEXT = 22;
struct SetContextArg {
HANDLE handle;
DWORD Eax;
DWORD Ebx;
DWORD Ecx;
DWORD Edx;
DWORD Esi;
DWORD Edi;
DWORD Ebp;
DWORD Esp;
DWORD Eip;
DWORD Ds;
DWORD Es;
DWORD Fs;
DWORD Gs;
DWORD Cs;
DWORD Ss;
DWORD EFlags;
DWORD Dr0;
DWORD Dr1;
DWORD Dr2;
DWORD Dr3;
DWORD Dr6;
DWORD Dr7;
};
// Used for selectorentry
struct SelectorEntryArg {
HANDLE handle;
DWORD selector;
};
struct Message {
typedef enum {
ATTACH,
DETACH,
LIBINFO,
PEEK,
POKE,
THREADLIST,
DUPHANDLE,
CLOSEHANDLE,
GETCONTEXT,
SETCONTEXT,
SELECTORENTRY,
SUSPEND,
RESUME,
POLLEVENT,
CONTINUEEVENT
} Type;
Type type;
union {
PeekArg peekArg;
PokeArg pokeArg;
BoolArg boolArg;
HandleArg handleArg;
SetContextArg setContextArg;
SelectorEntryArg selectorArg;
};
};
#endif // #defined _MESSAGE_
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