forked from Mirrors/wine-wine
977 lines
36 KiB
C
977 lines
36 KiB
C
/*
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* File cpu_x86_64.c
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*
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* Copyright (C) 1999, 2005 Alexandre Julliard
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* Copyright (C) 2009, 2011 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 <assert.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "dbghelp_private.h"
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#include "winternl.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
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/* x86-64 unwind information, for PE modules, as described on MSDN */
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typedef enum _UNWIND_OP_CODES
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{
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UWOP_PUSH_NONVOL = 0,
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UWOP_ALLOC_LARGE,
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UWOP_ALLOC_SMALL,
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UWOP_SET_FPREG,
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UWOP_SAVE_NONVOL,
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UWOP_SAVE_NONVOL_FAR,
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UWOP_SAVE_XMM128,
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UWOP_SAVE_XMM128_FAR,
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UWOP_PUSH_MACHFRAME
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} UNWIND_CODE_OPS;
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typedef union _UNWIND_CODE
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{
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struct
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{
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BYTE CodeOffset;
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BYTE UnwindOp : 4;
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BYTE OpInfo : 4;
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} u;
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USHORT FrameOffset;
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} UNWIND_CODE, *PUNWIND_CODE;
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typedef struct _UNWIND_INFO
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{
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BYTE Version : 3;
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BYTE Flags : 5;
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BYTE SizeOfProlog;
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BYTE CountOfCodes;
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BYTE FrameRegister : 4;
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BYTE FrameOffset : 4;
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UNWIND_CODE UnwindCode[1]; /* actually CountOfCodes (aligned) */
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/*
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* union
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* {
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* OPTIONAL ULONG ExceptionHandler;
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* OPTIONAL ULONG FunctionEntry;
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* };
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* OPTIONAL ULONG ExceptionData[];
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*/
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} UNWIND_INFO, *PUNWIND_INFO;
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static BOOL x86_64_get_addr(HANDLE hThread, const CONTEXT* ctx,
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enum cpu_addr ca, ADDRESS64* addr)
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{
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addr->Mode = AddrModeFlat;
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switch (ca)
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{
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#ifdef __x86_64__
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case cpu_addr_pc: addr->Segment = ctx->SegCs; addr->Offset = ctx->Rip; return TRUE;
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case cpu_addr_stack: addr->Segment = ctx->SegSs; addr->Offset = ctx->Rsp; return TRUE;
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case cpu_addr_frame: addr->Segment = ctx->SegSs; addr->Offset = ctx->Rbp; return TRUE;
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#endif
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default: addr->Mode = -1;
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return FALSE;
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}
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}
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#ifdef __x86_64__
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enum st_mode {stm_start, stm_64bit, stm_done};
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/* indexes in Reserved array */
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#define __CurrentMode 0
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#define __CurrentCount 1
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/* #define __ 2 (unused) */
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#define curr_mode (frame->Reserved[__CurrentMode])
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#define curr_count (frame->Reserved[__CurrentCount])
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/* #define ??? (frame->Reserved[__]) (unused) */
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union handler_data
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{
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RUNTIME_FUNCTION chain;
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ULONG handler;
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};
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static void dump_unwind_info(struct cpu_stack_walk* csw, ULONG64 base, RUNTIME_FUNCTION *function)
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{
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static const char * const reg_names[16] =
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{ "rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
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"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15" };
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union handler_data handler_data;
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char buffer[sizeof(UNWIND_INFO) + 256 * sizeof(UNWIND_CODE)];
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UNWIND_INFO* info = (UNWIND_INFO*)buffer;
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unsigned int i, count;
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RUNTIME_FUNCTION snext;
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ULONG64 addr;
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TRACE("**** func %x-%x\n", function->BeginAddress, function->EndAddress);
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for (;;)
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{
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if (function->UnwindData & 1)
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{
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if (!sw_read_mem(csw, base + function->UnwindData, &snext, sizeof(snext)))
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{
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TRACE("Couldn't unwind RUNTIME_INFO at %lx\n", base + function->UnwindData);
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return;
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}
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TRACE("unwind info for function %p-%p chained to function %p-%p\n",
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(char*)base + function->BeginAddress, (char*)base + function->EndAddress,
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(char*)base + snext.BeginAddress, (char*)base + snext.EndAddress);
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function = &snext;
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continue;
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}
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addr = base + function->UnwindData;
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if (!sw_read_mem(csw, addr, info, FIELD_OFFSET(UNWIND_INFO, UnwindCode)) ||
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!sw_read_mem(csw, addr + FIELD_OFFSET(UNWIND_INFO, UnwindCode),
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info->UnwindCode, info->CountOfCodes * sizeof(UNWIND_CODE)))
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{
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FIXME("couldn't read memory for UNWIND_INFO at %lx\n", addr);
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return;
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}
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TRACE("unwind info at %p flags %x prolog 0x%x bytes function %p-%p\n",
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(char*)addr, info->Flags, info->SizeOfProlog,
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(char*)base + function->BeginAddress, (char*)base + function->EndAddress);
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if (info->FrameRegister)
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TRACE(" frame register %s offset 0x%x(%%rsp)\n",
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reg_names[info->FrameRegister], info->FrameOffset * 16);
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for (i = 0; i < info->CountOfCodes; i++)
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{
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TRACE(" 0x%x: ", info->UnwindCode[i].u.CodeOffset);
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switch (info->UnwindCode[i].u.UnwindOp)
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{
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case UWOP_PUSH_NONVOL:
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TRACE("pushq %%%s\n", reg_names[info->UnwindCode[i].u.OpInfo]);
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break;
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case UWOP_ALLOC_LARGE:
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if (info->UnwindCode[i].u.OpInfo)
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{
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count = *(DWORD*)&info->UnwindCode[i+1];
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i += 2;
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}
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else
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{
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count = *(USHORT*)&info->UnwindCode[i+1] * 8;
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i++;
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}
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TRACE("subq $0x%x,%%rsp\n", count);
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break;
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case UWOP_ALLOC_SMALL:
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count = (info->UnwindCode[i].u.OpInfo + 1) * 8;
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TRACE("subq $0x%x,%%rsp\n", count);
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break;
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case UWOP_SET_FPREG:
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TRACE("leaq 0x%x(%%rsp),%s\n",
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info->FrameOffset * 16, reg_names[info->FrameRegister]);
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break;
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case UWOP_SAVE_NONVOL:
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count = *(USHORT*)&info->UnwindCode[i+1] * 8;
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TRACE("movq %%%s,0x%x(%%rsp)\n", reg_names[info->UnwindCode[i].u.OpInfo], count);
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i++;
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break;
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case UWOP_SAVE_NONVOL_FAR:
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count = *(DWORD*)&info->UnwindCode[i+1];
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TRACE("movq %%%s,0x%x(%%rsp)\n", reg_names[info->UnwindCode[i].u.OpInfo], count);
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i += 2;
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break;
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case UWOP_SAVE_XMM128:
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count = *(USHORT*)&info->UnwindCode[i+1] * 16;
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TRACE("movaps %%xmm%u,0x%x(%%rsp)\n", info->UnwindCode[i].u.OpInfo, count);
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i++;
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break;
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case UWOP_SAVE_XMM128_FAR:
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count = *(DWORD*)&info->UnwindCode[i+1];
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TRACE("movaps %%xmm%u,0x%x(%%rsp)\n", info->UnwindCode[i].u.OpInfo, count);
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i += 2;
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break;
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case UWOP_PUSH_MACHFRAME:
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TRACE("PUSH_MACHFRAME %u\n", info->UnwindCode[i].u.OpInfo);
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break;
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default:
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FIXME("unknown code %u\n", info->UnwindCode[i].u.UnwindOp);
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break;
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}
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}
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addr += FIELD_OFFSET(UNWIND_INFO, UnwindCode) +
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((info->CountOfCodes + 1) & ~1) * sizeof(UNWIND_CODE);
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if (info->Flags & UNW_FLAG_CHAININFO)
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{
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if (!sw_read_mem(csw, addr, &handler_data, sizeof(handler_data.chain)))
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{
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FIXME("couldn't read memory for handler_data.chain\n");
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return;
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}
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TRACE(" chained to function %p-%p\n",
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(char*)base + handler_data.chain.BeginAddress,
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(char*)base + handler_data.chain.EndAddress);
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function = &handler_data.chain;
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continue;
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}
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if (info->Flags & (UNW_FLAG_EHANDLER | UNW_FLAG_UHANDLER))
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{
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if (!sw_read_mem(csw, addr, &handler_data, sizeof(handler_data.handler)))
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{
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FIXME("couldn't read memory for handler_data.handler\n");
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return;
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}
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TRACE(" handler %p data at %p\n",
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(char*)base + handler_data.handler, (char*)addr + sizeof(handler_data.handler));
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}
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break;
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}
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}
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/* highly derived from dlls/ntdll/signal_x86_64.c */
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static ULONG64 get_int_reg(CONTEXT *context, int reg)
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{
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return *(&context->Rax + reg);
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}
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static void set_int_reg(CONTEXT *context, int reg, ULONG64 val)
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{
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*(&context->Rax + reg) = val;
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}
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static void set_float_reg(CONTEXT *context, int reg, M128A val)
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{
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*(&context->u.s.Xmm0 + reg) = val;
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}
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static int get_opcode_size(UNWIND_CODE op)
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{
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switch (op.u.UnwindOp)
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{
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case UWOP_ALLOC_LARGE:
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return 2 + (op.u.OpInfo != 0);
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case UWOP_SAVE_NONVOL:
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case UWOP_SAVE_XMM128:
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return 2;
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case UWOP_SAVE_NONVOL_FAR:
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case UWOP_SAVE_XMM128_FAR:
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return 3;
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default:
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return 1;
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}
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}
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static BOOL is_inside_epilog(struct cpu_stack_walk* csw, DWORD64 pc,
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DWORD64 base, const RUNTIME_FUNCTION *function )
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{
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BYTE op0, op1, op2;
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LONG val32;
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if (!sw_read_mem(csw, pc, &op0, 1)) return FALSE;
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/* add or lea must be the first instruction, and it must have a rex.W prefix */
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if ((op0 & 0xf8) == 0x48)
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{
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if (!sw_read_mem(csw, pc + 1, &op1, 1)) return FALSE;
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switch (op1)
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{
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case 0x81: /* add $nnnn,%rsp */
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if (!sw_read_mem(csw, pc + 2, &op2, 1)) return FALSE;
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if (op0 == 0x48 && op2 == 0xc4)
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{
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pc += 7;
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break;
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}
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return FALSE;
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case 0x83: /* add $n,%rsp */
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if (!sw_read_mem(csw, pc + 2, &op2, 1)) return FALSE;
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if (op0 == 0x48 && op2 == 0xc4)
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{
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pc += 4;
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break;
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}
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return FALSE;
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case 0x8d: /* lea n(reg),%rsp */
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if (!sw_read_mem(csw, pc + 2, &op2, 1)) return FALSE;
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if (op0 & 0x06) return FALSE; /* rex.RX must be cleared */
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if (((op2 >> 3) & 7) != 4) return FALSE; /* dest reg mus be %rsp */
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if ((op2 & 7) == 4) return FALSE; /* no SIB byte allowed */
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if ((op2 >> 6) == 1) /* 8-bit offset */
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{
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pc += 4;
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break;
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}
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if ((op2 >> 6) == 2) /* 32-bit offset */
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{
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pc += 7;
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break;
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}
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return FALSE;
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}
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}
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/* now check for various pop instructions */
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for (;;)
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{
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if (!sw_read_mem(csw, pc, &op0, 1)) return FALSE;
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if ((op0 & 0xf0) == 0x40) /* rex prefix */
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{
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if (!sw_read_mem(csw, ++pc, &op0, 1)) return FALSE;
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}
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switch (op0)
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{
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case 0x58: /* pop %rax/%r8 */
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case 0x59: /* pop %rcx/%r9 */
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case 0x5a: /* pop %rdx/%r10 */
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case 0x5b: /* pop %rbx/%r11 */
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case 0x5c: /* pop %rsp/%r12 */
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case 0x5d: /* pop %rbp/%r13 */
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case 0x5e: /* pop %rsi/%r14 */
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case 0x5f: /* pop %rdi/%r15 */
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pc++;
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continue;
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case 0xc2: /* ret $nn */
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case 0xc3: /* ret */
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return TRUE;
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case 0xe9: /* jmp nnnn */
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if (!sw_read_mem(csw, pc + 1, &val32, sizeof(LONG))) return FALSE;
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pc += 5 + val32;
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if (pc - base >= function->BeginAddress && pc - base < function->EndAddress)
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continue;
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break;
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case 0xeb: /* jmp n */
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if (!sw_read_mem(csw, pc + 1, &op1, 1)) return FALSE;
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pc += 2 + (signed char)op1;
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if (pc - base >= function->BeginAddress && pc - base < function->EndAddress)
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continue;
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break;
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case 0xf3: /* rep; ret (for amd64 prediction bug) */
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if (!sw_read_mem(csw, pc + 1, &op1, 1)) return FALSE;
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return op1 == 0xc3;
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}
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return FALSE;
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}
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}
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static BOOL interpret_epilog(struct cpu_stack_walk* csw, ULONG64 pc, CONTEXT *context )
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{
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BYTE insn, val8;
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WORD val16;
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LONG val32;
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DWORD64 val64;
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for (;;)
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{
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BYTE rex = 0;
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if (!sw_read_mem(csw, pc, &insn, 1)) return FALSE;
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if ((insn & 0xf0) == 0x40)
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{
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rex = insn & 0x0f; /* rex prefix */
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if (!sw_read_mem(csw, ++pc, &insn, 1)) return FALSE;
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}
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switch (insn)
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{
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case 0x58: /* pop %rax/r8 */
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case 0x59: /* pop %rcx/r9 */
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case 0x5a: /* pop %rdx/r10 */
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case 0x5b: /* pop %rbx/r11 */
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case 0x5c: /* pop %rsp/r12 */
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case 0x5d: /* pop %rbp/r13 */
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case 0x5e: /* pop %rsi/r14 */
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case 0x5f: /* pop %rdi/r15 */
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if (!sw_read_mem(csw, context->Rsp, &val64, sizeof(DWORD64))) return FALSE;
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set_int_reg(context, insn - 0x58 + (rex & 1) * 8, val64);
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context->Rsp += sizeof(ULONG64);
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pc++;
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continue;
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case 0x81: /* add $nnnn,%rsp */
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if (!sw_read_mem(csw, pc + 2, &val32, sizeof(LONG))) return FALSE;
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context->Rsp += val32;
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pc += 2 + sizeof(LONG);
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continue;
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case 0x83: /* add $n,%rsp */
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if (!sw_read_mem(csw, pc + 2, &val8, sizeof(BYTE))) return FALSE;
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context->Rsp += (signed char)val8;
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pc += 3;
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continue;
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case 0x8d:
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if (!sw_read_mem(csw, pc + 1, &insn, sizeof(BYTE))) return FALSE;
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if ((insn >> 6) == 1) /* lea n(reg),%rsp */
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{
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if (!sw_read_mem(csw, pc + 2, &val8, sizeof(BYTE))) return FALSE;
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context->Rsp = get_int_reg( context, (insn & 7) + (rex & 1) * 8 ) + (signed char)val8;
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pc += 3;
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}
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else /* lea nnnn(reg),%rsp */
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{
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if (!sw_read_mem(csw, pc + 2, &val32, sizeof(LONG))) return FALSE;
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context->Rsp = get_int_reg( context, (insn & 7) + (rex & 1) * 8 ) + val32;
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pc += 2 + sizeof(LONG);
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}
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continue;
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case 0xc2: /* ret $nn */
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if (!sw_read_mem(csw, context->Rsp, &val64, sizeof(DWORD64))) return FALSE;
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if (!sw_read_mem(csw, pc + 1, &val16, sizeof(WORD))) return FALSE;
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context->Rip = val64;
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context->Rsp += sizeof(ULONG64) + val16;
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return TRUE;
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case 0xc3: /* ret */
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case 0xf3: /* rep; ret */
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if (!sw_read_mem(csw, context->Rsp, &val64, sizeof(DWORD64))) return FALSE;
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context->Rip = val64;
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context->Rsp += sizeof(ULONG64);
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return TRUE;
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case 0xe9: /* jmp nnnn */
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if (!sw_read_mem(csw, pc + 1, &val32, sizeof(LONG))) return FALSE;
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pc += 5 + val32;
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continue;
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case 0xeb: /* jmp n */
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if (!sw_read_mem(csw, pc + 1, &val8, sizeof(BYTE))) return FALSE;
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pc += 2 + (signed char)val8;
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continue;
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}
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FIXME("unsupported insn %x\n", insn);
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return FALSE;
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}
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}
|
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|
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static BOOL default_unwind(struct cpu_stack_walk* csw, CONTEXT* context)
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|
{
|
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if (!sw_read_mem(csw, context->Rsp, &context->Rip, sizeof(DWORD64)))
|
|
{
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WARN("Cannot read new frame offset %s\n", wine_dbgstr_longlong(context->Rsp));
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return FALSE;
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}
|
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context->Rsp += sizeof(DWORD64);
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return TRUE;
|
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}
|
|
|
|
static BOOL interpret_function_table_entry(struct cpu_stack_walk* csw,
|
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CONTEXT* context, RUNTIME_FUNCTION* function, DWORD64 base)
|
|
{
|
|
char buffer[sizeof(UNWIND_INFO) + 256 * sizeof(UNWIND_CODE)];
|
|
UNWIND_INFO* info = (UNWIND_INFO*)buffer;
|
|
unsigned i;
|
|
DWORD64 newframe, prolog_offset, off, value;
|
|
M128A floatvalue;
|
|
union handler_data handler_data;
|
|
|
|
/* FIXME: we have some assumptions here */
|
|
assert(context);
|
|
dump_unwind_info(csw, sw_module_base(csw, context->Rip), function);
|
|
newframe = context->Rsp;
|
|
for (;;)
|
|
{
|
|
if (!sw_read_mem(csw, base + function->UnwindData, info, sizeof(*info)) ||
|
|
!sw_read_mem(csw, base + function->UnwindData + FIELD_OFFSET(UNWIND_INFO, UnwindCode),
|
|
info->UnwindCode, info->CountOfCodes * sizeof(UNWIND_CODE)))
|
|
{
|
|
WARN("Couldn't read unwind_code at %lx\n", base + function->UnwindData);
|
|
return FALSE;
|
|
}
|
|
|
|
if (info->Version != 1)
|
|
{
|
|
WARN("unknown unwind info version %u at %lx\n", info->Version, base + function->UnwindData);
|
|
return FALSE;
|
|
}
|
|
|
|
if (info->FrameRegister)
|
|
newframe = get_int_reg(context, info->FrameRegister) - info->FrameOffset * 16;
|
|
|
|
/* check if in prolog */
|
|
if (context->Rip >= base + function->BeginAddress &&
|
|
context->Rip < base + function->BeginAddress + info->SizeOfProlog)
|
|
{
|
|
prolog_offset = context->Rip - base - function->BeginAddress;
|
|
}
|
|
else
|
|
{
|
|
prolog_offset = ~0;
|
|
if (is_inside_epilog(csw, context->Rip, base, function))
|
|
{
|
|
interpret_epilog(csw, context->Rip, context);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < info->CountOfCodes; i += get_opcode_size(info->UnwindCode[i]))
|
|
{
|
|
if (prolog_offset < info->UnwindCode[i].u.CodeOffset) continue; /* skip it */
|
|
|
|
switch (info->UnwindCode[i].u.UnwindOp)
|
|
{
|
|
case UWOP_PUSH_NONVOL: /* pushq %reg */
|
|
if (!sw_read_mem(csw, context->Rsp, &value, sizeof(DWORD64))) return FALSE;
|
|
set_int_reg(context, info->UnwindCode[i].u.OpInfo, value);
|
|
context->Rsp += sizeof(ULONG64);
|
|
break;
|
|
case UWOP_ALLOC_LARGE: /* subq $nn,%rsp */
|
|
if (info->UnwindCode[i].u.OpInfo) context->Rsp += *(DWORD*)&info->UnwindCode[i+1];
|
|
else context->Rsp += *(USHORT*)&info->UnwindCode[i+1] * 8;
|
|
break;
|
|
case UWOP_ALLOC_SMALL: /* subq $n,%rsp */
|
|
context->Rsp += (info->UnwindCode[i].u.OpInfo + 1) * 8;
|
|
break;
|
|
case UWOP_SET_FPREG: /* leaq nn(%rsp),%framereg */
|
|
context->Rsp = newframe;
|
|
break;
|
|
case UWOP_SAVE_NONVOL: /* movq %reg,n(%rsp) */
|
|
off = newframe + *(USHORT*)&info->UnwindCode[i+1] * 8;
|
|
if (!sw_read_mem(csw, off, &value, sizeof(DWORD64))) return FALSE;
|
|
set_int_reg(context, info->UnwindCode[i].u.OpInfo, value);
|
|
break;
|
|
case UWOP_SAVE_NONVOL_FAR: /* movq %reg,nn(%rsp) */
|
|
off = newframe + *(DWORD*)&info->UnwindCode[i+1];
|
|
if (!sw_read_mem(csw, off, &value, sizeof(DWORD64))) return FALSE;
|
|
set_int_reg(context, info->UnwindCode[i].u.OpInfo, value);
|
|
break;
|
|
case UWOP_SAVE_XMM128: /* movaps %xmmreg,n(%rsp) */
|
|
off = newframe + *(USHORT*)&info->UnwindCode[i+1] * 16;
|
|
if (!sw_read_mem(csw, off, &floatvalue, sizeof(M128A))) return FALSE;
|
|
set_float_reg(context, info->UnwindCode[i].u.OpInfo, floatvalue);
|
|
break;
|
|
case UWOP_SAVE_XMM128_FAR: /* movaps %xmmreg,nn(%rsp) */
|
|
off = newframe + *(DWORD*)&info->UnwindCode[i+1];
|
|
if (!sw_read_mem(csw, off, &floatvalue, sizeof(M128A))) return FALSE;
|
|
set_float_reg(context, info->UnwindCode[i].u.OpInfo, floatvalue);
|
|
break;
|
|
case UWOP_PUSH_MACHFRAME:
|
|
FIXME("PUSH_MACHFRAME %u\n", info->UnwindCode[i].u.OpInfo);
|
|
break;
|
|
default:
|
|
FIXME("unknown code %u\n", info->UnwindCode[i].u.UnwindOp);
|
|
break;
|
|
}
|
|
}
|
|
if (!(info->Flags & UNW_FLAG_CHAININFO)) break;
|
|
if (!sw_read_mem(csw, base + function->UnwindData + FIELD_OFFSET(UNWIND_INFO, UnwindCode) +
|
|
((info->CountOfCodes + 1) & ~1) * sizeof(UNWIND_CODE),
|
|
&handler_data, sizeof(handler_data))) return FALSE;
|
|
function = &handler_data.chain; /* restart with the chained info */
|
|
}
|
|
return default_unwind(csw, context);
|
|
}
|
|
|
|
/* fetch_next_frame()
|
|
*
|
|
* modify (at least) context.{rip, rsp, rbp} using unwind information
|
|
* either out of PE exception handlers, debug info (dwarf), or simple stack unwind
|
|
*/
|
|
static BOOL fetch_next_frame(struct cpu_stack_walk *csw, union ctx *pcontext,
|
|
DWORD_PTR curr_pc, void** prtf)
|
|
{
|
|
DWORD64 cfa;
|
|
RUNTIME_FUNCTION* rtf;
|
|
DWORD64 base;
|
|
CONTEXT *context = &pcontext->ctx;
|
|
|
|
if (!curr_pc || !(base = sw_module_base(csw, curr_pc))) return FALSE;
|
|
rtf = sw_table_access(csw, curr_pc);
|
|
if (prtf) *prtf = rtf;
|
|
if (rtf)
|
|
{
|
|
return interpret_function_table_entry(csw, context, rtf, base);
|
|
}
|
|
else if (dwarf2_virtual_unwind(csw, curr_pc, pcontext, &cfa))
|
|
{
|
|
context->Rsp = cfa;
|
|
TRACE("next function rip=%016lx\n", context->Rip);
|
|
TRACE(" rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx\n",
|
|
context->Rax, context->Rbx, context->Rcx, context->Rdx);
|
|
TRACE(" rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
|
|
context->Rsi, context->Rdi, context->Rbp, context->Rsp);
|
|
TRACE(" r8=%016lx r9=%016lx r10=%016lx r11=%016lx\n",
|
|
context->R8, context->R9, context->R10, context->R11);
|
|
TRACE(" r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
|
|
context->R12, context->R13, context->R14, context->R15);
|
|
return TRUE;
|
|
}
|
|
else
|
|
return default_unwind(csw, context);
|
|
}
|
|
|
|
static BOOL x86_64_stack_walk(struct cpu_stack_walk *csw, STACKFRAME64 *frame,
|
|
union ctx *context)
|
|
{
|
|
unsigned deltapc = curr_count <= 1 ? 0 : 1;
|
|
|
|
/* sanity check */
|
|
if (curr_mode >= stm_done) return FALSE;
|
|
assert(!csw->is32);
|
|
|
|
TRACE("Enter: PC=%s Frame=%s Return=%s Stack=%s Mode=%s Count=%s\n",
|
|
wine_dbgstr_addr(&frame->AddrPC),
|
|
wine_dbgstr_addr(&frame->AddrFrame),
|
|
wine_dbgstr_addr(&frame->AddrReturn),
|
|
wine_dbgstr_addr(&frame->AddrStack),
|
|
curr_mode == stm_start ? "start" : "64bit",
|
|
wine_dbgstr_longlong(curr_count));
|
|
|
|
if (curr_mode == stm_start)
|
|
{
|
|
if ((frame->AddrPC.Mode == AddrModeFlat) &&
|
|
(frame->AddrFrame.Mode != AddrModeFlat))
|
|
{
|
|
WARN("Bad AddrPC.Mode / AddrFrame.Mode combination\n");
|
|
goto done_err;
|
|
}
|
|
|
|
/* Init done */
|
|
curr_mode = stm_64bit;
|
|
frame->AddrReturn.Mode = frame->AddrStack.Mode = AddrModeFlat;
|
|
/* don't set up AddrStack on first call. Either the caller has set it up, or
|
|
* we will get it in the next frame
|
|
*/
|
|
memset(&frame->AddrBStore, 0, sizeof(frame->AddrBStore));
|
|
}
|
|
else
|
|
{
|
|
if (context->ctx.Rsp != frame->AddrStack.Offset) FIXME("inconsistent Stack Pointer\n");
|
|
if (context->ctx.Rip != frame->AddrPC.Offset) FIXME("inconsistent Instruction Pointer\n");
|
|
|
|
if (frame->AddrReturn.Offset == 0) goto done_err;
|
|
if (!fetch_next_frame(csw, context, frame->AddrPC.Offset - deltapc, &frame->FuncTableEntry))
|
|
goto done_err;
|
|
deltapc = 1;
|
|
}
|
|
|
|
memset(&frame->Params, 0, sizeof(frame->Params));
|
|
|
|
/* set frame information */
|
|
frame->AddrStack.Offset = context->ctx.Rsp;
|
|
frame->AddrFrame.Offset = context->ctx.Rbp;
|
|
frame->AddrPC.Offset = context->ctx.Rip;
|
|
if (1)
|
|
{
|
|
union ctx newctx = *context;
|
|
|
|
if (!fetch_next_frame(csw, &newctx, frame->AddrPC.Offset - deltapc, NULL))
|
|
goto done_err;
|
|
frame->AddrReturn.Mode = AddrModeFlat;
|
|
frame->AddrReturn.Offset = newctx.ctx.Rip;
|
|
}
|
|
|
|
frame->Far = TRUE;
|
|
frame->Virtual = TRUE;
|
|
curr_count++;
|
|
|
|
TRACE("Leave: PC=%s Frame=%s Return=%s Stack=%s Mode=%s Count=%s FuncTable=%p\n",
|
|
wine_dbgstr_addr(&frame->AddrPC),
|
|
wine_dbgstr_addr(&frame->AddrFrame),
|
|
wine_dbgstr_addr(&frame->AddrReturn),
|
|
wine_dbgstr_addr(&frame->AddrStack),
|
|
curr_mode == stm_start ? "start" : "64bit",
|
|
wine_dbgstr_longlong(curr_count),
|
|
frame->FuncTableEntry);
|
|
|
|
return TRUE;
|
|
done_err:
|
|
curr_mode = stm_done;
|
|
return FALSE;
|
|
}
|
|
#else
|
|
static BOOL x86_64_stack_walk(struct cpu_stack_walk *csw, STACKFRAME64 *frame,
|
|
union ctx *ctx)
|
|
{
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
static void* x86_64_find_runtime_function(struct module* module, DWORD64 addr)
|
|
{
|
|
#ifdef __x86_64__
|
|
RUNTIME_FUNCTION* rtf;
|
|
ULONG size;
|
|
int min, max;
|
|
|
|
rtf = (RUNTIME_FUNCTION*)pe_map_directory(module, IMAGE_DIRECTORY_ENTRY_EXCEPTION, &size);
|
|
if (rtf) for (min = 0, max = size / sizeof(*rtf); min <= max; )
|
|
{
|
|
int pos = (min + max) / 2;
|
|
if (addr < module->module.BaseOfImage + rtf[pos].BeginAddress) max = pos - 1;
|
|
else if (addr >= module->module.BaseOfImage + rtf[pos].EndAddress) min = pos + 1;
|
|
else
|
|
{
|
|
rtf += pos;
|
|
while (rtf->UnwindData & 1) /* follow chained entry */
|
|
{
|
|
FIXME("RunTime_Function outside IMAGE_DIRECTORY_ENTRY_EXCEPTION unimplemented yet!\n");
|
|
return NULL;
|
|
/* we need to read into the other process */
|
|
/* rtf = (RUNTIME_FUNCTION*)(module->module.BaseOfImage + (rtf->UnwindData & ~1)); */
|
|
}
|
|
return rtf;
|
|
}
|
|
}
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
static unsigned x86_64_map_dwarf_register(unsigned regno, const struct module* module, BOOL eh_frame)
|
|
{
|
|
unsigned reg;
|
|
|
|
if (regno >= 17 && regno <= 24)
|
|
reg = CV_AMD64_XMM0 + regno - 17;
|
|
else if (regno >= 25 && regno <= 32)
|
|
reg = CV_AMD64_XMM8 + regno - 25;
|
|
else if (regno >= 33 && regno <= 40)
|
|
reg = CV_AMD64_ST0 + regno - 33;
|
|
else switch (regno)
|
|
{
|
|
case 0: reg = CV_AMD64_RAX; break;
|
|
case 1: reg = CV_AMD64_RDX; break;
|
|
case 2: reg = CV_AMD64_RCX; break;
|
|
case 3: reg = CV_AMD64_RBX; break;
|
|
case 4: reg = CV_AMD64_RSI; break;
|
|
case 5: reg = CV_AMD64_RDI; break;
|
|
case 6: reg = CV_AMD64_RBP; break;
|
|
case 7: reg = CV_AMD64_RSP; break;
|
|
case 8: reg = CV_AMD64_R8; break;
|
|
case 9: reg = CV_AMD64_R9; break;
|
|
case 10: reg = CV_AMD64_R10; break;
|
|
case 11: reg = CV_AMD64_R11; break;
|
|
case 12: reg = CV_AMD64_R12; break;
|
|
case 13: reg = CV_AMD64_R13; break;
|
|
case 14: reg = CV_AMD64_R14; break;
|
|
case 15: reg = CV_AMD64_R15; break;
|
|
case 16: reg = CV_AMD64_RIP; break;
|
|
case 49: reg = CV_AMD64_EFLAGS; break;
|
|
case 50: reg = CV_AMD64_ES; break;
|
|
case 51: reg = CV_AMD64_CS; break;
|
|
case 52: reg = CV_AMD64_SS; break;
|
|
case 53: reg = CV_AMD64_DS; break;
|
|
case 54: reg = CV_AMD64_FS; break;
|
|
case 55: reg = CV_AMD64_GS; break;
|
|
case 62: reg = CV_AMD64_TR; break;
|
|
case 63: reg = CV_AMD64_LDTR; break;
|
|
case 64: reg = CV_AMD64_MXCSR; break;
|
|
case 65: reg = CV_AMD64_CTRL; break;
|
|
case 66: reg = CV_AMD64_STAT; break;
|
|
/*
|
|
* 56-57 reserved
|
|
* 58 %fs.base
|
|
* 59 %gs.base
|
|
* 60-61 reserved
|
|
*/
|
|
default:
|
|
FIXME("Don't know how to map register %d\n", regno);
|
|
return 0;
|
|
}
|
|
return reg;
|
|
}
|
|
|
|
static void *x86_64_fetch_context_reg(union ctx *pctx, unsigned regno, unsigned *size)
|
|
{
|
|
#ifdef __x86_64__
|
|
CONTEXT *ctx = &pctx->ctx;
|
|
|
|
switch (regno)
|
|
{
|
|
case CV_AMD64_RAX: *size = sizeof(ctx->Rax); return &ctx->Rax;
|
|
case CV_AMD64_RDX: *size = sizeof(ctx->Rdx); return &ctx->Rdx;
|
|
case CV_AMD64_RCX: *size = sizeof(ctx->Rcx); return &ctx->Rcx;
|
|
case CV_AMD64_RBX: *size = sizeof(ctx->Rbx); return &ctx->Rbx;
|
|
case CV_AMD64_RSI: *size = sizeof(ctx->Rsi); return &ctx->Rsi;
|
|
case CV_AMD64_RDI: *size = sizeof(ctx->Rdi); return &ctx->Rdi;
|
|
case CV_AMD64_RBP: *size = sizeof(ctx->Rbp); return &ctx->Rbp;
|
|
case CV_AMD64_RSP: *size = sizeof(ctx->Rsp); return &ctx->Rsp;
|
|
case CV_AMD64_R8: *size = sizeof(ctx->R8); return &ctx->R8;
|
|
case CV_AMD64_R9: *size = sizeof(ctx->R9); return &ctx->R9;
|
|
case CV_AMD64_R10: *size = sizeof(ctx->R10); return &ctx->R10;
|
|
case CV_AMD64_R11: *size = sizeof(ctx->R11); return &ctx->R11;
|
|
case CV_AMD64_R12: *size = sizeof(ctx->R12); return &ctx->R12;
|
|
case CV_AMD64_R13: *size = sizeof(ctx->R13); return &ctx->R13;
|
|
case CV_AMD64_R14: *size = sizeof(ctx->R14); return &ctx->R14;
|
|
case CV_AMD64_R15: *size = sizeof(ctx->R15); return &ctx->R15;
|
|
case CV_AMD64_RIP: *size = sizeof(ctx->Rip); return &ctx->Rip;
|
|
|
|
case CV_AMD64_XMM0 + 0: *size = sizeof(ctx->u.s.Xmm0 ); return &ctx->u.s.Xmm0;
|
|
case CV_AMD64_XMM0 + 1: *size = sizeof(ctx->u.s.Xmm1 ); return &ctx->u.s.Xmm1;
|
|
case CV_AMD64_XMM0 + 2: *size = sizeof(ctx->u.s.Xmm2 ); return &ctx->u.s.Xmm2;
|
|
case CV_AMD64_XMM0 + 3: *size = sizeof(ctx->u.s.Xmm3 ); return &ctx->u.s.Xmm3;
|
|
case CV_AMD64_XMM0 + 4: *size = sizeof(ctx->u.s.Xmm4 ); return &ctx->u.s.Xmm4;
|
|
case CV_AMD64_XMM0 + 5: *size = sizeof(ctx->u.s.Xmm5 ); return &ctx->u.s.Xmm5;
|
|
case CV_AMD64_XMM0 + 6: *size = sizeof(ctx->u.s.Xmm6 ); return &ctx->u.s.Xmm6;
|
|
case CV_AMD64_XMM0 + 7: *size = sizeof(ctx->u.s.Xmm7 ); return &ctx->u.s.Xmm7;
|
|
case CV_AMD64_XMM8 + 0: *size = sizeof(ctx->u.s.Xmm8 ); return &ctx->u.s.Xmm8;
|
|
case CV_AMD64_XMM8 + 1: *size = sizeof(ctx->u.s.Xmm9 ); return &ctx->u.s.Xmm9;
|
|
case CV_AMD64_XMM8 + 2: *size = sizeof(ctx->u.s.Xmm10); return &ctx->u.s.Xmm10;
|
|
case CV_AMD64_XMM8 + 3: *size = sizeof(ctx->u.s.Xmm11); return &ctx->u.s.Xmm11;
|
|
case CV_AMD64_XMM8 + 4: *size = sizeof(ctx->u.s.Xmm12); return &ctx->u.s.Xmm12;
|
|
case CV_AMD64_XMM8 + 5: *size = sizeof(ctx->u.s.Xmm13); return &ctx->u.s.Xmm13;
|
|
case CV_AMD64_XMM8 + 6: *size = sizeof(ctx->u.s.Xmm14); return &ctx->u.s.Xmm14;
|
|
case CV_AMD64_XMM8 + 7: *size = sizeof(ctx->u.s.Xmm15); return &ctx->u.s.Xmm15;
|
|
|
|
case CV_AMD64_ST0 + 0: *size = sizeof(ctx->u.s.Legacy[0]); return &ctx->u.s.Legacy[0];
|
|
case CV_AMD64_ST0 + 1: *size = sizeof(ctx->u.s.Legacy[1]); return &ctx->u.s.Legacy[1];
|
|
case CV_AMD64_ST0 + 2: *size = sizeof(ctx->u.s.Legacy[2]); return &ctx->u.s.Legacy[2];
|
|
case CV_AMD64_ST0 + 3: *size = sizeof(ctx->u.s.Legacy[3]); return &ctx->u.s.Legacy[3];
|
|
case CV_AMD64_ST0 + 4: *size = sizeof(ctx->u.s.Legacy[4]); return &ctx->u.s.Legacy[4];
|
|
case CV_AMD64_ST0 + 5: *size = sizeof(ctx->u.s.Legacy[5]); return &ctx->u.s.Legacy[5];
|
|
case CV_AMD64_ST0 + 6: *size = sizeof(ctx->u.s.Legacy[6]); return &ctx->u.s.Legacy[6];
|
|
case CV_AMD64_ST0 + 7: *size = sizeof(ctx->u.s.Legacy[7]); return &ctx->u.s.Legacy[7];
|
|
|
|
case CV_AMD64_EFLAGS: *size = sizeof(ctx->EFlags); return &ctx->EFlags;
|
|
case CV_AMD64_ES: *size = sizeof(ctx->SegEs); return &ctx->SegEs;
|
|
case CV_AMD64_CS: *size = sizeof(ctx->SegCs); return &ctx->SegCs;
|
|
case CV_AMD64_SS: *size = sizeof(ctx->SegSs); return &ctx->SegSs;
|
|
case CV_AMD64_DS: *size = sizeof(ctx->SegDs); return &ctx->SegDs;
|
|
case CV_AMD64_FS: *size = sizeof(ctx->SegFs); return &ctx->SegFs;
|
|
case CV_AMD64_GS: *size = sizeof(ctx->SegGs); return &ctx->SegGs;
|
|
|
|
}
|
|
#endif
|
|
FIXME("Unknown register %x\n", regno);
|
|
return NULL;
|
|
}
|
|
|
|
static const char* x86_64_fetch_regname(unsigned regno)
|
|
{
|
|
switch (regno)
|
|
{
|
|
case CV_AMD64_RAX: return "rax";
|
|
case CV_AMD64_RDX: return "rdx";
|
|
case CV_AMD64_RCX: return "rcx";
|
|
case CV_AMD64_RBX: return "rbx";
|
|
case CV_AMD64_RSI: return "rsi";
|
|
case CV_AMD64_RDI: return "rdi";
|
|
case CV_AMD64_RBP: return "rbp";
|
|
case CV_AMD64_RSP: return "rsp";
|
|
case CV_AMD64_R8: return "r8";
|
|
case CV_AMD64_R9: return "r9";
|
|
case CV_AMD64_R10: return "r10";
|
|
case CV_AMD64_R11: return "r11";
|
|
case CV_AMD64_R12: return "r12";
|
|
case CV_AMD64_R13: return "r13";
|
|
case CV_AMD64_R14: return "r14";
|
|
case CV_AMD64_R15: return "r15";
|
|
case CV_AMD64_RIP: return "rip";
|
|
|
|
case CV_AMD64_XMM0 + 0: return "xmm0";
|
|
case CV_AMD64_XMM0 + 1: return "xmm1";
|
|
case CV_AMD64_XMM0 + 2: return "xmm2";
|
|
case CV_AMD64_XMM0 + 3: return "xmm3";
|
|
case CV_AMD64_XMM0 + 4: return "xmm4";
|
|
case CV_AMD64_XMM0 + 5: return "xmm5";
|
|
case CV_AMD64_XMM0 + 6: return "xmm6";
|
|
case CV_AMD64_XMM0 + 7: return "xmm7";
|
|
case CV_AMD64_XMM8 + 0: return "xmm8";
|
|
case CV_AMD64_XMM8 + 1: return "xmm9";
|
|
case CV_AMD64_XMM8 + 2: return "xmm10";
|
|
case CV_AMD64_XMM8 + 3: return "xmm11";
|
|
case CV_AMD64_XMM8 + 4: return "xmm12";
|
|
case CV_AMD64_XMM8 + 5: return "xmm13";
|
|
case CV_AMD64_XMM8 + 6: return "xmm14";
|
|
case CV_AMD64_XMM8 + 7: return "xmm15";
|
|
|
|
case CV_AMD64_ST0 + 0: return "st0";
|
|
case CV_AMD64_ST0 + 1: return "st1";
|
|
case CV_AMD64_ST0 + 2: return "st2";
|
|
case CV_AMD64_ST0 + 3: return "st3";
|
|
case CV_AMD64_ST0 + 4: return "st4";
|
|
case CV_AMD64_ST0 + 5: return "st5";
|
|
case CV_AMD64_ST0 + 6: return "st6";
|
|
case CV_AMD64_ST0 + 7: return "st7";
|
|
|
|
case CV_AMD64_EFLAGS: return "eflags";
|
|
case CV_AMD64_ES: return "es";
|
|
case CV_AMD64_CS: return "cs";
|
|
case CV_AMD64_SS: return "ss";
|
|
case CV_AMD64_DS: return "ds";
|
|
case CV_AMD64_FS: return "fs";
|
|
case CV_AMD64_GS: return "gs";
|
|
}
|
|
FIXME("Unknown register %x\n", regno);
|
|
return NULL;
|
|
}
|
|
|
|
static BOOL x86_64_fetch_minidump_thread(struct dump_context* dc, unsigned index, unsigned flags, const CONTEXT* ctx)
|
|
{
|
|
if (ctx->ContextFlags && (flags & ThreadWriteInstructionWindow))
|
|
{
|
|
/* FIXME: crop values across module boundaries, */
|
|
#ifdef __x86_64__
|
|
ULONG64 base = ctx->Rip <= 0x80 ? 0 : ctx->Rip - 0x80;
|
|
minidump_add_memory_block(dc, base, ctx->Rip + 0x80 - base, 0);
|
|
#endif
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL x86_64_fetch_minidump_module(struct dump_context* dc, unsigned index, unsigned flags)
|
|
{
|
|
/* FIXME: not sure about the flags... */
|
|
if (1)
|
|
{
|
|
/* FIXME: crop values across module boundaries, */
|
|
#ifdef __x86_64__
|
|
struct process* pcs;
|
|
struct module* module;
|
|
const RUNTIME_FUNCTION* rtf;
|
|
ULONG size;
|
|
|
|
if (!(pcs = process_find_by_handle(dc->process->handle)) ||
|
|
!(module = module_find_by_addr(pcs, dc->modules[index].base, DMT_UNKNOWN)))
|
|
return FALSE;
|
|
rtf = (const RUNTIME_FUNCTION*)pe_map_directory(module, IMAGE_DIRECTORY_ENTRY_EXCEPTION, &size);
|
|
if (rtf)
|
|
{
|
|
const RUNTIME_FUNCTION* end = (const RUNTIME_FUNCTION*)((const char*)rtf + size);
|
|
UNWIND_INFO ui;
|
|
|
|
while (rtf + 1 < end)
|
|
{
|
|
while (rtf->UnwindData & 1) /* follow chained entry */
|
|
{
|
|
FIXME("RunTime_Function outside IMAGE_DIRECTORY_ENTRY_EXCEPTION unimplemented yet!\n");
|
|
return FALSE;
|
|
/* we need to read into the other process */
|
|
/* rtf = (RUNTIME_FUNCTION*)(module->module.BaseOfImage + (rtf->UnwindData & ~1)); */
|
|
}
|
|
if (read_process_memory(dc->process, dc->modules[index].base + rtf->UnwindData, &ui, sizeof(ui)))
|
|
minidump_add_memory_block(dc, dc->modules[index].base + rtf->UnwindData,
|
|
FIELD_OFFSET(UNWIND_INFO, UnwindCode) + ui.CountOfCodes * sizeof(UNWIND_CODE), 0);
|
|
rtf++;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
DECLSPEC_HIDDEN struct cpu cpu_x86_64 = {
|
|
IMAGE_FILE_MACHINE_AMD64,
|
|
8,
|
|
CV_AMD64_RSP,
|
|
x86_64_get_addr,
|
|
x86_64_stack_walk,
|
|
x86_64_find_runtime_function,
|
|
x86_64_map_dwarf_register,
|
|
x86_64_fetch_context_reg,
|
|
x86_64_fetch_regname,
|
|
x86_64_fetch_minidump_thread,
|
|
x86_64_fetch_minidump_module,
|
|
};
|