2 * File memory.c - managing memory
4 * Copyright (C) 2004, Eric Pouech
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include "dbghelp_private.h"
25 #include "wine/debug.h"
27 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
29 BOOL win32_read_mem(HANDLE hProcess, DWORD addr, void* buf, DWORD len)
31 return ReadProcessMemory(hProcess, (void*)addr, buf, len, NULL);
34 BOOL win32_write_mem(HANDLE hProcess, DWORD addr, void* buf, DWORD len)
36 return WriteProcessMemory(hProcess, (void*)addr, buf, len, NULL);
39 /* standard routines for reading / writing memory. Can be overriden for some
42 struct memory_access mem_access = {win32_read_mem, win32_write_mem};
44 /******************************************************************
47 * converts an address into its linear value
49 DWORD WINAPI addr_to_linear(HANDLE hProcess, HANDLE hThread, ADDRESS* addr)
56 if (GetThreadSelectorEntry(hThread, addr->Segment, &le))
57 return (le.HighWord.Bits.BaseHi << 24) +
58 (le.HighWord.Bits.BaseMid << 16) + le.BaseLow + LOWORD(addr->Offset);
61 if (GetThreadSelectorEntry(hThread, addr->Segment, &le))
62 return (le.HighWord.Bits.BaseHi << 24) +
63 (le.HighWord.Bits.BaseMid << 16) + le.BaseLow + addr->Offset;
66 return (DWORD)(LOWORD(addr->Segment) << 4) + addr->Offset;
70 FIXME("Unsupported (yet) mode (%x)\n", addr->Mode);
73 FIXME("Failed to linearize address %04x:%08lx (mode %x)\n",
74 addr->Segment, addr->Offset, addr->Mode);