dbghelp: Hacked a StackWalk implementation for x86_64.
This commit is contained in:
Eric Pouech
Alexandre Julliard
parent
7230659ce9
commit
54766cdac0
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@ -11,6 +11,7 @@ DELAYIMPORTS = version
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C_SRCS = \
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coff.c \
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cpu_i386.c \
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cpu_x86_64.c \
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crc32.c \
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dbghelp.c \
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dwarf.c \
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@ -0,0 +1,115 @@
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/*
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* File cpu_x86_64.c
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*
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* Copyright (C) 2009-2009, 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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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "dbghelp_private.h"
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#include "wine/winbase16.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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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 __CurrentSwitch 1
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#define __NextSwitch 2
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#define curr_mode (frame->Reserved[__CurrentMode])
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#define curr_switch (frame->Reserved[__CurrentSwitch])
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#define next_switch (frame->Reserved[__NextSwitch])
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static BOOL x86_64_stack_walk(struct cpu_stack_walk* csw, LPSTACKFRAME64 frame)
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{
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/* sanity check */
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if (curr_mode >= stm_done) return FALSE;
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assert(!csw->is32);
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TRACE("Enter: PC=%s Frame=%s Return=%s Stack=%s Mode=%s\n",
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wine_dbgstr_addr(&frame->AddrPC),
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wine_dbgstr_addr(&frame->AddrFrame),
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wine_dbgstr_addr(&frame->AddrReturn),
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wine_dbgstr_addr(&frame->AddrStack),
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curr_mode == stm_start ? "start" : "64bit");
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if (curr_mode == stm_start)
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{
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if ((frame->AddrPC.Mode == AddrModeFlat) &&
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(frame->AddrFrame.Mode != AddrModeFlat))
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{
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WARN("Bad AddrPC.Mode / AddrFrame.Mode combination\n");
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goto done_err;
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}
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/* Init done */
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curr_mode = stm_64bit;
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curr_switch = 0;
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frame->AddrReturn.Mode = frame->AddrStack.Mode = AddrModeFlat;
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/* don't set up AddrStack on first call. Either the caller has set it up, or
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* we will get it in the next frame
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*/
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memset(&frame->AddrBStore, 0, sizeof(frame->AddrBStore));
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}
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else
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{
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if (frame->AddrReturn.Offset == 0) goto done_err;
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frame->AddrPC = frame->AddrReturn;
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}
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if (!sw_read_mem(csw, frame->AddrStack.Offset,
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&frame->AddrReturn.Offset, sizeof(DWORD64)))
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{
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WARN("Cannot read new frame offset %s\n",
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wine_dbgstr_longlong(frame->AddrFrame.Offset + sizeof(DWORD64)));
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goto done_err;
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}
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/* FIXME: simplistic stuff... need to handle both dwarf & PE stack information */
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frame->AddrStack.Offset += sizeof(DWORD64);
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memset(&frame->Params, 0, sizeof(frame->Params));
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frame->Far = TRUE;
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frame->Virtual = TRUE;
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if (frame->AddrPC.Offset && sw_module_base(csw, frame->AddrPC.Offset))
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frame->FuncTableEntry = sw_table_access(csw, frame->AddrPC.Offset);
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else
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frame->FuncTableEntry = NULL;
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TRACE("Leave: PC=%s Frame=%s Return=%s Stack=%s Mode=%s FuncTable=%p\n",
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wine_dbgstr_addr(&frame->AddrPC),
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wine_dbgstr_addr(&frame->AddrFrame),
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wine_dbgstr_addr(&frame->AddrReturn),
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wine_dbgstr_addr(&frame->AddrStack),
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curr_mode == stm_start ? "start" : "64bit",
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frame->FuncTableEntry);
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return TRUE;
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done_err:
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curr_mode = stm_done;
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return FALSE;
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}
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struct cpu cpu_x86_64 = {
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IMAGE_FILE_MACHINE_AMD64,
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x86_64_stack_walk,
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};
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@ -151,12 +151,14 @@ const char* wine_dbgstr_addr(const ADDRESS64* addr)
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}
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}
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extern struct cpu cpu_i386;
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extern struct cpu cpu_i386, cpu_x86_64;
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static struct cpu* dbghelp_cpus[] = {&cpu_i386, NULL};
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static struct cpu* dbghelp_cpus[] = {&cpu_i386, &cpu_x86_64, NULL};
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struct cpu* dbghelp_current_cpu =
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#if defined(__i386__)
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&cpu_i386
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#elif defined(__x86_64__)
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&cpu_x86_64
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#else
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#error define support for you CPU
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#endif
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