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Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org> wine commit id 9ae588a96ef5f07ba22e0fadc3aacf61b274efe5 by Zebediah Figura <z.figura12@gmail.com>
275 lines
9.4 KiB
C
275 lines
9.4 KiB
C
/*
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* Stack walking
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*
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* Copyright 1995 Alexandre Julliard
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* Copyright 1996 Eric Youngdale
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* Copyright 1999 Ove Kåven
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* Copyright 2004 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "dbghelp_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
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static DWORD64 WINAPI addr_to_linear(HANDLE hProcess, HANDLE hThread, ADDRESS64* addr)
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{
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LDT_ENTRY le;
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switch (addr->Mode)
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{
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case AddrMode1616:
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if (GetThreadSelectorEntry(hThread, addr->Segment, &le))
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return (le.HighWord.Bits.BaseHi << 24) +
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(le.HighWord.Bits.BaseMid << 16) + le.BaseLow + LOWORD(addr->Offset);
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break;
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case AddrMode1632:
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if (GetThreadSelectorEntry(hThread, addr->Segment, &le))
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return (le.HighWord.Bits.BaseHi << 24) +
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(le.HighWord.Bits.BaseMid << 16) + le.BaseLow + addr->Offset;
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break;
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case AddrModeReal:
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return (DWORD)(LOWORD(addr->Segment) << 4) + addr->Offset;
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case AddrModeFlat:
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return addr->Offset;
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default:
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FIXME("Unsupported (yet) mode (%x)\n", addr->Mode);
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return 0;
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}
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FIXME("Failed to linearize address %04x:%s (mode %x)\n",
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addr->Segment, wine_dbgstr_longlong(addr->Offset), addr->Mode);
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return 0;
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}
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static BOOL CALLBACK read_mem(HANDLE hProcess, DWORD addr, void* buffer,
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DWORD size, LPDWORD nread)
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{
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SIZE_T r;
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if (!ReadProcessMemory(hProcess, (void*)(DWORD_PTR)addr, buffer, size, &r)) return FALSE;
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if (nread) *nread = r;
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return TRUE;
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}
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static BOOL CALLBACK read_mem64(HANDLE hProcess, DWORD64 addr, void* buffer,
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DWORD size, LPDWORD nread)
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{
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SIZE_T r;
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if (!ReadProcessMemory(hProcess, (void*)(DWORD_PTR)addr, buffer, size, &r)) return FALSE;
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if (nread) *nread = r;
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return TRUE;
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}
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static inline void addr_32to64(const ADDRESS* addr32, ADDRESS64* addr64)
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{
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addr64->Offset = (ULONG64)addr32->Offset;
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addr64->Segment = addr32->Segment;
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addr64->Mode = addr32->Mode;
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}
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static inline void addr_64to32(const ADDRESS64* addr64, ADDRESS* addr32)
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{
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addr32->Offset = (ULONG)addr64->Offset;
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addr32->Segment = addr64->Segment;
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addr32->Mode = addr64->Mode;
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}
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BOOL sw_read_mem(struct cpu_stack_walk* csw, DWORD64 addr, void* ptr, DWORD sz)
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{
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DWORD bytes_read = 0;
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if (csw->is32)
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return csw->u.s32.f_read_mem(csw->hProcess, addr, ptr, sz, &bytes_read);
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else
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return csw->u.s64.f_read_mem(csw->hProcess, addr, ptr, sz, &bytes_read);
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}
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DWORD64 sw_xlat_addr(struct cpu_stack_walk* csw, ADDRESS64* addr)
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{
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if (addr->Mode == AddrModeFlat) return addr->Offset;
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if (csw->is32)
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{
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ADDRESS addr32;
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addr_64to32(addr, &addr32);
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return csw->u.s32.f_xlat_adr(csw->hProcess, csw->hThread, &addr32);
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}
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else if (csw->u.s64.f_xlat_adr)
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return csw->u.s64.f_xlat_adr(csw->hProcess, csw->hThread, addr);
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return addr_to_linear(csw->hProcess, csw->hThread, addr);
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}
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void* sw_table_access(struct cpu_stack_walk* csw, DWORD64 addr)
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{
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if (csw->is32)
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return csw->u.s32.f_tabl_acs(csw->hProcess, addr);
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else
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return csw->u.s64.f_tabl_acs(csw->hProcess, addr);
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}
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DWORD64 sw_module_base(struct cpu_stack_walk* csw, DWORD64 addr)
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{
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if (csw->is32)
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return csw->u.s32.f_modl_bas(csw->hProcess, addr);
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else
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return csw->u.s64.f_modl_bas(csw->hProcess, addr);
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}
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/***********************************************************************
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* StackWalk (DBGHELP.@)
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*/
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BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
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LPSTACKFRAME frame32, PVOID ctx,
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PREAD_PROCESS_MEMORY_ROUTINE f_read_mem,
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PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
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PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
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PTRANSLATE_ADDRESS_ROUTINE f_xlat_adr)
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{
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struct cpu_stack_walk csw;
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STACKFRAME64 frame64;
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BOOL ret;
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struct cpu* cpu;
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TRACE("(%d, %p, %p, %p, %p, %p, %p, %p, %p)\n",
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MachineType, hProcess, hThread, frame32, ctx,
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f_read_mem, FunctionTableAccessRoutine,
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GetModuleBaseRoutine, f_xlat_adr);
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if (!(cpu = cpu_find(MachineType)))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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addr_32to64(&frame32->AddrPC, &frame64.AddrPC);
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addr_32to64(&frame32->AddrReturn, &frame64.AddrReturn);
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addr_32to64(&frame32->AddrFrame, &frame64.AddrFrame);
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addr_32to64(&frame32->AddrStack, &frame64.AddrStack);
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addr_32to64(&frame32->AddrBStore, &frame64.AddrBStore);
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frame64.FuncTableEntry = frame32->FuncTableEntry; /* FIXME */
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frame64.Far = frame32->Far;
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frame64.Virtual = frame32->Virtual;
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frame64.Reserved[0] = frame32->Reserved[0];
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frame64.Reserved[1] = frame32->Reserved[1];
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frame64.Reserved[2] = frame32->Reserved[2];
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/* we don't handle KdHelp */
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csw.hProcess = hProcess;
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csw.hThread = hThread;
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csw.is32 = TRUE;
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csw.cpu = cpu;
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/* sigh... MS isn't even consistent in the func prototypes */
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csw.u.s32.f_read_mem = (f_read_mem) ? f_read_mem : read_mem;
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csw.u.s32.f_xlat_adr = f_xlat_adr;
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csw.u.s32.f_tabl_acs = (FunctionTableAccessRoutine) ? FunctionTableAccessRoutine : SymFunctionTableAccess;
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csw.u.s32.f_modl_bas = (GetModuleBaseRoutine) ? GetModuleBaseRoutine : SymGetModuleBase;
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if ((ret = cpu->stack_walk(&csw, &frame64, ctx)))
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{
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addr_64to32(&frame64.AddrPC, &frame32->AddrPC);
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addr_64to32(&frame64.AddrReturn, &frame32->AddrReturn);
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addr_64to32(&frame64.AddrFrame, &frame32->AddrFrame);
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addr_64to32(&frame64.AddrStack, &frame32->AddrStack);
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addr_64to32(&frame64.AddrBStore, &frame32->AddrBStore);
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frame32->FuncTableEntry = frame64.FuncTableEntry; /* FIXME */
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frame32->Params[0] = frame64.Params[0];
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frame32->Params[1] = frame64.Params[1];
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frame32->Params[2] = frame64.Params[2];
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frame32->Params[3] = frame64.Params[3];
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frame32->Far = frame64.Far;
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frame32->Virtual = frame64.Virtual;
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frame32->Reserved[0] = frame64.Reserved[0];
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frame32->Reserved[1] = frame64.Reserved[1];
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frame32->Reserved[2] = frame64.Reserved[2];
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}
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return ret;
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}
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/***********************************************************************
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* StackWalk64 (DBGHELP.@)
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*/
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BOOL WINAPI StackWalk64(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
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LPSTACKFRAME64 frame, PVOID ctx,
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PREAD_PROCESS_MEMORY_ROUTINE64 f_read_mem,
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PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
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PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
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PTRANSLATE_ADDRESS_ROUTINE64 f_xlat_adr)
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{
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struct cpu_stack_walk csw;
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struct cpu* cpu;
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TRACE("(%d, %p, %p, %p, %p, %p, %p, %p, %p)\n",
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MachineType, hProcess, hThread, frame, ctx,
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f_read_mem, FunctionTableAccessRoutine,
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GetModuleBaseRoutine, f_xlat_adr);
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if (!(cpu = cpu_find(MachineType)))
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{
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SetLastError(ERROR_INVALID_PARAMETER);
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return FALSE;
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}
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csw.hProcess = hProcess;
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csw.hThread = hThread;
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csw.is32 = FALSE;
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csw.cpu = cpu;
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/* sigh... MS isn't even consistent in the func prototypes */
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csw.u.s64.f_read_mem = (f_read_mem) ? f_read_mem : read_mem64;
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csw.u.s64.f_xlat_adr = (f_xlat_adr) ? f_xlat_adr : addr_to_linear;
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csw.u.s64.f_tabl_acs = (FunctionTableAccessRoutine) ? FunctionTableAccessRoutine : SymFunctionTableAccess64;
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csw.u.s64.f_modl_bas = (GetModuleBaseRoutine) ? GetModuleBaseRoutine : SymGetModuleBase64;
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if (!cpu->stack_walk(&csw, frame, ctx)) return FALSE;
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/* we don't handle KdHelp */
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return TRUE;
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}
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/******************************************************************
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* SymRegisterFunctionEntryCallback (DBGHELP.@)
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*
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*
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*/
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BOOL WINAPI SymRegisterFunctionEntryCallback(HANDLE hProc,
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PSYMBOL_FUNCENTRY_CALLBACK cb, PVOID user)
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{
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FIXME("(%p %p %p): stub!\n", hProc, cb, user);
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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/******************************************************************
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* SymRegisterFunctionEntryCallback64 (DBGHELP.@)
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*
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*
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*/
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BOOL WINAPI SymRegisterFunctionEntryCallback64(HANDLE hProc,
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PSYMBOL_FUNCENTRY_CALLBACK64 cb,
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ULONG64 user)
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{
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FIXME("(%p %p %s): stub!\n", hProc, cb, wine_dbgstr_longlong(user));
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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return FALSE;
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}
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