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231 lines
10 KiB
C
231 lines
10 KiB
C
/*
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* Debugger x86_64 specific functions
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*
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* Copyright 2004 Vincent Béron
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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 "debugger.h"
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#if defined(__x86_64__)
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static unsigned be_x86_64_get_addr(HANDLE hThread, const CONTEXT* ctx,
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enum be_cpu_addr bca, ADDRESS64* addr)
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{
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addr->Mode = AddrModeFlat;
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switch (bca)
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{
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case be_cpu_addr_pc:
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addr->Segment = ctx->SegCs;
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addr->Offset = ctx->Rip;
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return TRUE;
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case be_cpu_addr_stack:
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addr->Segment = ctx->SegSs;
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addr->Offset = ctx->Rsp;
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return TRUE;
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case be_cpu_addr_frame:
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addr->Segment = ctx->SegSs;
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addr->Offset = ctx->Rbp;
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return TRUE;
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default:
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addr->Mode = -1;
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return FALSE;
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}
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}
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static void be_x86_64_single_step(CONTEXT* ctx, unsigned enable)
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{
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dbg_printf("not done single_step\n");
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}
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static void be_x86_64_print_context(HANDLE hThread, const CONTEXT* ctx,
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int all_regs)
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{
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dbg_printf("Context printing for x86_64 not done yet\n");
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}
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static void be_x86_64_print_segment_info(HANDLE hThread, const CONTEXT* ctx)
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{
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}
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static struct dbg_internal_var be_x86_64_ctx[] =
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{
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{CV_AMD64_AL, "AL", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_char_int},
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{CV_AMD64_BL, "BL", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_char_int},
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{CV_AMD64_CL, "CL", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_char_int},
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{CV_AMD64_DL, "DL", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_char_int},
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{CV_AMD64_AH, "AH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rax)+1), dbg_itype_unsigned_char_int},
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{CV_AMD64_BH, "BH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rbx)+1), dbg_itype_unsigned_char_int},
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{CV_AMD64_CH, "CH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rcx)+1), dbg_itype_unsigned_char_int},
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{CV_AMD64_DH, "DH", (DWORD*)(FIELD_OFFSET(CONTEXT, Rdx)+1), dbg_itype_unsigned_char_int},
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{CV_AMD64_AX, "AX", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_short_int},
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{CV_AMD64_BX, "BX", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_short_int},
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{CV_AMD64_CX, "CX", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_short_int},
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{CV_AMD64_DX, "DX", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_short_int},
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{CV_AMD64_SP, "SP", (DWORD*)FIELD_OFFSET(CONTEXT, Rsp), dbg_itype_unsigned_short_int},
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{CV_AMD64_BP, "BP", (DWORD*)FIELD_OFFSET(CONTEXT, Rbp), dbg_itype_unsigned_short_int},
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{CV_AMD64_SI, "SI", (DWORD*)FIELD_OFFSET(CONTEXT, Rsi), dbg_itype_unsigned_short_int},
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{CV_AMD64_DI, "DI", (DWORD*)FIELD_OFFSET(CONTEXT, Rdi), dbg_itype_unsigned_short_int},
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{CV_AMD64_EAX, "EAX", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_int},
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{CV_AMD64_EBX, "EBX", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_int},
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{CV_AMD64_ECX, "ECX", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_int},
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{CV_AMD64_EDX, "EDX", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_int},
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{CV_AMD64_ESP, "ESP", (DWORD*)FIELD_OFFSET(CONTEXT, Rsp), dbg_itype_unsigned_int},
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{CV_AMD64_EBP, "EBP", (DWORD*)FIELD_OFFSET(CONTEXT, Rbp), dbg_itype_unsigned_int},
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{CV_AMD64_ESI, "ESI", (DWORD*)FIELD_OFFSET(CONTEXT, Rsi), dbg_itype_unsigned_int},
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{CV_AMD64_EDI, "EDI", (DWORD*)FIELD_OFFSET(CONTEXT, Rdi), dbg_itype_unsigned_int},
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{CV_AMD64_ES, "ES", (DWORD*)FIELD_OFFSET(CONTEXT, SegEs), dbg_itype_unsigned_short_int},
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{CV_AMD64_CS, "CS", (DWORD*)FIELD_OFFSET(CONTEXT, SegCs), dbg_itype_unsigned_short_int},
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{CV_AMD64_SS, "SS", (DWORD*)FIELD_OFFSET(CONTEXT, SegSs), dbg_itype_unsigned_short_int},
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{CV_AMD64_DS, "DS", (DWORD*)FIELD_OFFSET(CONTEXT, SegDs), dbg_itype_unsigned_short_int},
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{CV_AMD64_FS, "FS", (DWORD*)FIELD_OFFSET(CONTEXT, SegFs), dbg_itype_unsigned_short_int},
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{CV_AMD64_GS, "GS", (DWORD*)FIELD_OFFSET(CONTEXT, SegGs), dbg_itype_unsigned_short_int},
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{CV_AMD64_FLAGS, "FLAGS", (DWORD*)FIELD_OFFSET(CONTEXT, EFlags), dbg_itype_unsigned_short_int},
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{CV_AMD64_EFLAGS, "EFLAGS", (DWORD*)FIELD_OFFSET(CONTEXT, EFlags), dbg_itype_unsigned_int},
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{CV_AMD64_RIP, "RIP", (DWORD*)FIELD_OFFSET(CONTEXT, Rip), dbg_itype_unsigned_int},
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{CV_AMD64_RAX, "RAX", (DWORD*)FIELD_OFFSET(CONTEXT, Rax), dbg_itype_unsigned_long_int},
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{CV_AMD64_RBX, "RBX", (DWORD*)FIELD_OFFSET(CONTEXT, Rbx), dbg_itype_unsigned_long_int},
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{CV_AMD64_RCX, "RCX", (DWORD*)FIELD_OFFSET(CONTEXT, Rcx), dbg_itype_unsigned_long_int},
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{CV_AMD64_RDX, "RDX", (DWORD*)FIELD_OFFSET(CONTEXT, Rdx), dbg_itype_unsigned_long_int},
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{CV_AMD64_RSP, "RSP", (DWORD*)FIELD_OFFSET(CONTEXT, Rsp), dbg_itype_unsigned_long_int},
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{CV_AMD64_RBP, "RBP", (DWORD*)FIELD_OFFSET(CONTEXT, Rbp), dbg_itype_unsigned_long_int},
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{CV_AMD64_RSI, "RSI", (DWORD*)FIELD_OFFSET(CONTEXT, Rsi), dbg_itype_unsigned_long_int},
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{CV_AMD64_RDI, "RDI", (DWORD*)FIELD_OFFSET(CONTEXT, Rdi), dbg_itype_unsigned_long_int},
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{CV_AMD64_R8, "R8", (DWORD*)FIELD_OFFSET(CONTEXT, R8), dbg_itype_unsigned_long_int},
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{CV_AMD64_R9, "R9", (DWORD*)FIELD_OFFSET(CONTEXT, R9), dbg_itype_unsigned_long_int},
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{CV_AMD64_R10, "R10", (DWORD*)FIELD_OFFSET(CONTEXT, R10), dbg_itype_unsigned_long_int},
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{CV_AMD64_R11, "R11", (DWORD*)FIELD_OFFSET(CONTEXT, R11), dbg_itype_unsigned_long_int},
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{CV_AMD64_R12, "R12", (DWORD*)FIELD_OFFSET(CONTEXT, R12), dbg_itype_unsigned_long_int},
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{CV_AMD64_R13, "R13", (DWORD*)FIELD_OFFSET(CONTEXT, R13), dbg_itype_unsigned_long_int},
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{CV_AMD64_R14, "R14", (DWORD*)FIELD_OFFSET(CONTEXT, R14), dbg_itype_unsigned_long_int},
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{CV_AMD64_R15, "R15", (DWORD*)FIELD_OFFSET(CONTEXT, R15), dbg_itype_unsigned_long_int},
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{0, NULL, 0, dbg_itype_none}
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};
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static const struct dbg_internal_var* be_x86_64_init_registers(CONTEXT* ctx)
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{
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struct dbg_internal_var* div;
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for (div = be_x86_64_ctx; div->name; div++)
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div->pval = (DWORD*)((char*)ctx + (DWORD_PTR)div->pval);
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return be_x86_64_ctx;
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}
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static unsigned be_x86_64_is_step_over_insn(const void* insn)
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{
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dbg_printf("not done step_over_insn\n");
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return FALSE;
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}
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static unsigned be_x86_64_is_function_return(const void* insn)
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{
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dbg_printf("not done is_function_return\n");
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return FALSE;
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}
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static unsigned be_x86_64_is_break_insn(const void* insn)
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{
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dbg_printf("not done is_break_insn\n");
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return FALSE;
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}
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static unsigned be_x86_64_is_func_call(const void* insn, ADDRESS64* callee)
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{
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dbg_printf("not done is_func_call\n");
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return FALSE;
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}
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static void be_x86_64_disasm_one_insn(ADDRESS64* addr, int display)
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{
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dbg_printf("Disasm NIY\n");
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}
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static unsigned be_x86_64_insert_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
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CONTEXT* ctx, enum be_xpoint_type type,
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void* addr, unsigned long* val, unsigned size)
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{
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dbg_printf("not done insert_Xpoint\n");
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return 0;
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}
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static unsigned be_x86_64_remove_Xpoint(HANDLE hProcess, const struct be_process_io* pio,
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CONTEXT* ctx, enum be_xpoint_type type,
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void* addr, unsigned long val, unsigned size)
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{
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dbg_printf("not done remove_Xpoint\n");
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return FALSE;
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}
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static unsigned be_x86_64_is_watchpoint_set(const CONTEXT* ctx, unsigned idx)
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{
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dbg_printf("not done is_watchpoint_set\n");
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return FALSE;
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}
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static void be_x86_64_clear_watchpoint(CONTEXT* ctx, unsigned idx)
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{
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dbg_printf("not done clear_watchpoint\n");
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}
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static int be_x86_64_adjust_pc_for_break(CONTEXT* ctx, BOOL way)
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{
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if (way)
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{
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ctx->Rip--;
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return -1;
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}
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ctx->Rip++;
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return 1;
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}
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static int be_x86_64_fetch_integer(const struct dbg_lvalue* lvalue, unsigned size,
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unsigned ext_sign, LONGLONG* ret)
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{
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dbg_printf("not done fetch_integer\n");
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return FALSE;
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}
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static int be_x86_64_fetch_float(const struct dbg_lvalue* lvalue, unsigned size,
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long double* ret)
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{
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dbg_printf("not done fetch_float\n");
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return FALSE;
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}
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struct backend_cpu be_x86_64 =
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{
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be_cpu_linearize,
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be_cpu_build_addr,
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be_x86_64_get_addr,
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be_x86_64_single_step,
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be_x86_64_print_context,
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be_x86_64_print_segment_info,
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be_x86_64_init_registers,
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be_x86_64_is_step_over_insn,
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be_x86_64_is_function_return,
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be_x86_64_is_break_insn,
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be_x86_64_is_func_call,
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be_x86_64_disasm_one_insn,
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be_x86_64_insert_Xpoint,
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be_x86_64_remove_Xpoint,
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be_x86_64_is_watchpoint_set,
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be_x86_64_clear_watchpoint,
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be_x86_64_adjust_pc_for_break,
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be_x86_64_fetch_integer,
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be_x86_64_fetch_float,
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};
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#endif
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