4 * Copyright 1995 Alexandre Julliard
5 * Copyright 1996 Eric Youngdale
6 * Copyright 1999 Ove Kåven
7 * Copyright 2004 Eric Pouech
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
30 #include "dbghelp_private.h"
31 #include "wine/debug.h"
33 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
35 static DWORD64 WINAPI addr_to_linear(HANDLE hProcess, HANDLE hThread, ADDRESS64* addr)
42 if (GetThreadSelectorEntry(hThread, addr->Segment, &le))
43 return (le.HighWord.Bits.BaseHi << 24) +
44 (le.HighWord.Bits.BaseMid << 16) + le.BaseLow + LOWORD(addr->Offset);
47 if (GetThreadSelectorEntry(hThread, addr->Segment, &le))
48 return (le.HighWord.Bits.BaseHi << 24) +
49 (le.HighWord.Bits.BaseMid << 16) + le.BaseLow + addr->Offset;
52 return (DWORD)(LOWORD(addr->Segment) << 4) + addr->Offset;
56 FIXME("Unsupported (yet) mode (%x)\n", addr->Mode);
59 FIXME("Failed to linearize address %04x:%s (mode %x)\n",
60 addr->Segment, wine_dbgstr_longlong(addr->Offset), addr->Mode);
64 static BOOL CALLBACK read_mem(HANDLE hProcess, DWORD addr, void* buffer,
65 DWORD size, LPDWORD nread)
68 if (!ReadProcessMemory(hProcess, (void*)(DWORD_PTR)addr, buffer, size, &r)) return FALSE;
69 if (nread) *nread = r;
73 static BOOL CALLBACK read_mem64(HANDLE hProcess, DWORD64 addr, void* buffer,
74 DWORD size, LPDWORD nread)
77 if (!ReadProcessMemory(hProcess, (void*)(DWORD_PTR)addr, buffer, size, &r)) return FALSE;
78 if (nread) *nread = r;
82 static inline void addr_32to64(const ADDRESS* addr32, ADDRESS64* addr64)
84 addr64->Offset = (ULONG64)addr32->Offset;
85 addr64->Segment = addr32->Segment;
86 addr64->Mode = addr32->Mode;
89 static inline void addr_64to32(const ADDRESS64* addr64, ADDRESS* addr32)
91 addr32->Offset = (ULONG)addr64->Offset;
92 addr32->Segment = addr64->Segment;
93 addr32->Mode = addr64->Mode;
96 BOOL sw_read_mem(struct cpu_stack_walk* csw, DWORD64 addr, void* ptr, DWORD sz)
100 return csw->u.s32.f_read_mem(csw->hProcess, addr, ptr, sz, &bytes_read);
102 return csw->u.s64.f_read_mem(csw->hProcess, addr, ptr, sz, &bytes_read);
105 DWORD64 sw_xlat_addr(struct cpu_stack_walk* csw, ADDRESS64* addr)
107 if (addr->Mode == AddrModeFlat) return addr->Offset;
112 addr_64to32(addr, &addr32);
113 return csw->u.s32.f_xlat_adr(csw->hProcess, csw->hThread, &addr32);
115 else if (csw->u.s64.f_xlat_adr)
116 return csw->u.s64.f_xlat_adr(csw->hProcess, csw->hThread, addr);
117 return addr_to_linear(csw->hProcess, csw->hThread, addr);
120 void* sw_table_access(struct cpu_stack_walk* csw, DWORD64 addr)
123 return csw->u.s32.f_tabl_acs(csw->hProcess, addr);
125 return csw->u.s64.f_tabl_acs(csw->hProcess, addr);
128 DWORD64 sw_module_base(struct cpu_stack_walk* csw, DWORD64 addr)
131 return csw->u.s32.f_modl_bas(csw->hProcess, addr);
133 return csw->u.s64.f_modl_bas(csw->hProcess, addr);
136 /***********************************************************************
137 * StackWalk (DBGHELP.@)
139 BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
140 LPSTACKFRAME frame32, PVOID ctx,
141 PREAD_PROCESS_MEMORY_ROUTINE f_read_mem,
142 PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
143 PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
144 PTRANSLATE_ADDRESS_ROUTINE f_xlat_adr)
146 struct cpu_stack_walk csw;
147 STACKFRAME64 frame64;
151 TRACE("(%d, %p, %p, %p, %p, %p, %p, %p, %p)\n",
152 MachineType, hProcess, hThread, frame32, ctx,
153 f_read_mem, FunctionTableAccessRoutine,
154 GetModuleBaseRoutine, f_xlat_adr);
156 if (!(cpu = cpu_find(MachineType)))
158 SetLastError(ERROR_INVALID_PARAMETER);
162 addr_32to64(&frame32->AddrPC, &frame64.AddrPC);
163 addr_32to64(&frame32->AddrReturn, &frame64.AddrReturn);
164 addr_32to64(&frame32->AddrFrame, &frame64.AddrFrame);
165 addr_32to64(&frame32->AddrStack, &frame64.AddrStack);
166 addr_32to64(&frame32->AddrBStore, &frame64.AddrBStore);
167 frame64.FuncTableEntry = frame32->FuncTableEntry; /* FIXME */
168 frame64.Far = frame32->Far;
169 frame64.Virtual = frame32->Virtual;
170 frame64.Reserved[0] = frame32->Reserved[0];
171 frame64.Reserved[1] = frame32->Reserved[1];
172 frame64.Reserved[2] = frame32->Reserved[2];
173 /* we don't handle KdHelp */
175 csw.hProcess = hProcess;
176 csw.hThread = hThread;
178 /* sigh... MS isn't even consistent in the func prototypes */
179 csw.u.s32.f_read_mem = (f_read_mem) ? f_read_mem : read_mem;
180 csw.u.s32.f_xlat_adr = f_xlat_adr;
181 csw.u.s32.f_tabl_acs = (FunctionTableAccessRoutine) ? FunctionTableAccessRoutine : SymFunctionTableAccess;
182 csw.u.s32.f_modl_bas = (GetModuleBaseRoutine) ? GetModuleBaseRoutine : SymGetModuleBase;
184 if ((ret = cpu->stack_walk(&csw, &frame64, ctx)))
186 addr_64to32(&frame64.AddrPC, &frame32->AddrPC);
187 addr_64to32(&frame64.AddrReturn, &frame32->AddrReturn);
188 addr_64to32(&frame64.AddrFrame, &frame32->AddrFrame);
189 addr_64to32(&frame64.AddrStack, &frame32->AddrStack);
190 addr_64to32(&frame64.AddrBStore, &frame32->AddrBStore);
191 frame32->FuncTableEntry = frame64.FuncTableEntry; /* FIXME */
192 frame32->Params[0] = frame64.Params[0];
193 frame32->Params[1] = frame64.Params[1];
194 frame32->Params[2] = frame64.Params[2];
195 frame32->Params[3] = frame64.Params[3];
196 frame32->Far = frame64.Far;
197 frame32->Virtual = frame64.Virtual;
198 frame32->Reserved[0] = frame64.Reserved[0];
199 frame32->Reserved[1] = frame64.Reserved[1];
200 frame32->Reserved[2] = frame64.Reserved[2];
207 /***********************************************************************
208 * StackWalk64 (DBGHELP.@)
210 BOOL WINAPI StackWalk64(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
211 LPSTACKFRAME64 frame, PVOID ctx,
212 PREAD_PROCESS_MEMORY_ROUTINE64 f_read_mem,
213 PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
214 PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
215 PTRANSLATE_ADDRESS_ROUTINE64 f_xlat_adr)
217 struct cpu_stack_walk csw;
220 TRACE("(%d, %p, %p, %p, %p, %p, %p, %p, %p)\n",
221 MachineType, hProcess, hThread, frame, ctx,
222 f_read_mem, FunctionTableAccessRoutine,
223 GetModuleBaseRoutine, f_xlat_adr);
225 if (!(cpu = cpu_find(MachineType)))
227 SetLastError(ERROR_INVALID_PARAMETER);
231 csw.hProcess = hProcess;
232 csw.hThread = hThread;
234 /* sigh... MS isn't even consistent in the func prototypes */
235 csw.u.s64.f_read_mem = (f_read_mem) ? f_read_mem : read_mem64;
236 csw.u.s64.f_xlat_adr = (f_xlat_adr) ? f_xlat_adr : addr_to_linear;
237 csw.u.s64.f_tabl_acs = (FunctionTableAccessRoutine) ? FunctionTableAccessRoutine : SymFunctionTableAccess64;
238 csw.u.s64.f_modl_bas = (GetModuleBaseRoutine) ? GetModuleBaseRoutine : SymGetModuleBase64;
240 if (!cpu->stack_walk(&csw, frame, ctx)) return FALSE;
242 /* we don't handle KdHelp */
243 frame->KdHelp.Thread = 0xC000FADE;
244 frame->KdHelp.ThCallbackStack = 0x10;
245 frame->KdHelp.ThCallbackBStore = 0;
246 frame->KdHelp.NextCallback = 0;
247 frame->KdHelp.FramePointer = 0;
248 frame->KdHelp.KiCallUserMode = 0xD000DAFE;
249 frame->KdHelp.KeUserCallbackDispatcher = 0xE000F000;
250 frame->KdHelp.SystemRangeStart = 0xC0000000;
251 frame->KdHelp.Reserved[0] /* KiUserExceptionDispatcher */ = 0xE0005000;
256 /******************************************************************
257 * SymRegisterFunctionEntryCallback (DBGHELP.@)
261 BOOL WINAPI SymRegisterFunctionEntryCallback(HANDLE hProc,
262 PSYMBOL_FUNCENTRY_CALLBACK cb, PVOID user)
264 FIXME("(%p %p %p): stub!\n", hProc, cb, user);
265 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
269 /******************************************************************
270 * SymRegisterFunctionEntryCallback64 (DBGHELP.@)
274 BOOL WINAPI SymRegisterFunctionEntryCallback64(HANDLE hProc,
275 PSYMBOL_FUNCENTRY_CALLBACK64 cb,
278 FIXME("(%p %p %s): stub!\n", hProc, cb, wine_dbgstr_longlong(user));
279 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);