2 * Debugger x86_64 specific functions
4 * Copyright 2004 Vincent BĂ©ron
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #if defined(__x86_64__)
25 #define STEP_FLAG 0x00000100 /* single step flag */
27 static unsigned be_x86_64_get_addr(HANDLE hThread
, const CONTEXT
* ctx
,
28 enum be_cpu_addr bca
, ADDRESS64
* addr
)
30 addr
->Mode
= AddrModeFlat
;
34 addr
->Segment
= ctx
->SegCs
;
35 addr
->Offset
= ctx
->Rip
;
37 case be_cpu_addr_stack
:
38 addr
->Segment
= ctx
->SegSs
;
39 addr
->Offset
= ctx
->Rsp
;
41 case be_cpu_addr_frame
:
42 addr
->Segment
= ctx
->SegSs
;
43 addr
->Offset
= ctx
->Rbp
;
51 static unsigned be_x86_64_get_register_info(int regno
, enum be_cpu_addr
* kind
)
53 /* this is true when running in 32bit mode... and wrong in 64 :-/ */
56 case CV_AMD64_RIP
: *kind
= be_cpu_addr_pc
; return TRUE
;
57 case CV_AMD64_EBP
: *kind
= be_cpu_addr_frame
; return TRUE
;
58 case CV_AMD64_ESP
: *kind
= be_cpu_addr_stack
; return TRUE
;
63 static void be_x86_64_single_step(CONTEXT
* ctx
, unsigned enable
)
65 if (enable
) ctx
->EFlags
|= STEP_FLAG
;
66 else ctx
->EFlags
&= ~STEP_FLAG
;
69 static void be_x86_64_print_context(HANDLE hThread
, const CONTEXT
* ctx
,
72 static const char flags
[] = "aVR-N--ODITSZ-A-P-C";
77 for (i
= 0; buf
[i
]; i
++)
78 if (buf
[i
] != '-' && !(ctx
->EFlags
& (1 << (sizeof(flags
) - 2 - i
))))
81 dbg_printf("Register dump:\n");
82 dbg_printf(" rip:%016lx rsp:%016lx rbp:%016lx eflags:%08x (%s)\n",
83 ctx
->Rip
, ctx
->Rsp
, ctx
->Rbp
, ctx
->EFlags
, buf
);
84 dbg_printf(" rax:%016lx rbx:%016lx rcx:%016lx rdx:%016lx\n",
85 ctx
->Rax
, ctx
->Rbx
, ctx
->Rcx
, ctx
->Rdx
);
86 dbg_printf(" rsi:%016lx rdi:%016lx r8:%016lx r9:%016lx r10:%016lx\n",
87 ctx
->Rsi
, ctx
->Rdi
, ctx
->R8
, ctx
->R9
, ctx
->R10
);
88 dbg_printf(" r11:%016lx r12:%016lx r13:%016lx r14:%016lx r15:%016lx\n",
89 ctx
->R11
, ctx
->R12
, ctx
->R13
, ctx
->R14
, ctx
->R15
);
91 if (all_regs
) dbg_printf( "Floating point x86_64 dump not implemented\n" );
94 static void be_x86_64_print_segment_info(HANDLE hThread
, const CONTEXT
* ctx
)
98 static struct dbg_internal_var be_x86_64_ctx
[] =
100 {CV_AMD64_AL
, "AL", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rax
), dbg_itype_unsigned_char_int
},
101 {CV_AMD64_BL
, "BL", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rbx
), dbg_itype_unsigned_char_int
},
102 {CV_AMD64_CL
, "CL", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rcx
), dbg_itype_unsigned_char_int
},
103 {CV_AMD64_DL
, "DL", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rdx
), dbg_itype_unsigned_char_int
},
104 {CV_AMD64_AH
, "AH", (DWORD
*)(FIELD_OFFSET(CONTEXT
, Rax
)+1), dbg_itype_unsigned_char_int
},
105 {CV_AMD64_BH
, "BH", (DWORD
*)(FIELD_OFFSET(CONTEXT
, Rbx
)+1), dbg_itype_unsigned_char_int
},
106 {CV_AMD64_CH
, "CH", (DWORD
*)(FIELD_OFFSET(CONTEXT
, Rcx
)+1), dbg_itype_unsigned_char_int
},
107 {CV_AMD64_DH
, "DH", (DWORD
*)(FIELD_OFFSET(CONTEXT
, Rdx
)+1), dbg_itype_unsigned_char_int
},
108 {CV_AMD64_AX
, "AX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rax
), dbg_itype_unsigned_short_int
},
109 {CV_AMD64_BX
, "BX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rbx
), dbg_itype_unsigned_short_int
},
110 {CV_AMD64_CX
, "CX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rcx
), dbg_itype_unsigned_short_int
},
111 {CV_AMD64_DX
, "DX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rdx
), dbg_itype_unsigned_short_int
},
112 {CV_AMD64_SP
, "SP", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rsp
), dbg_itype_unsigned_short_int
},
113 {CV_AMD64_BP
, "BP", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rbp
), dbg_itype_unsigned_short_int
},
114 {CV_AMD64_SI
, "SI", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rsi
), dbg_itype_unsigned_short_int
},
115 {CV_AMD64_DI
, "DI", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rdi
), dbg_itype_unsigned_short_int
},
116 {CV_AMD64_EAX
, "EAX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rax
), dbg_itype_unsigned_int
},
117 {CV_AMD64_EBX
, "EBX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rbx
), dbg_itype_unsigned_int
},
118 {CV_AMD64_ECX
, "ECX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rcx
), dbg_itype_unsigned_int
},
119 {CV_AMD64_EDX
, "EDX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rdx
), dbg_itype_unsigned_int
},
120 {CV_AMD64_ESP
, "ESP", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rsp
), dbg_itype_unsigned_int
},
121 {CV_AMD64_EBP
, "EBP", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rbp
), dbg_itype_unsigned_int
},
122 {CV_AMD64_ESI
, "ESI", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rsi
), dbg_itype_unsigned_int
},
123 {CV_AMD64_EDI
, "EDI", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rdi
), dbg_itype_unsigned_int
},
124 {CV_AMD64_ES
, "ES", (DWORD
*)FIELD_OFFSET(CONTEXT
, SegEs
), dbg_itype_unsigned_short_int
},
125 {CV_AMD64_CS
, "CS", (DWORD
*)FIELD_OFFSET(CONTEXT
, SegCs
), dbg_itype_unsigned_short_int
},
126 {CV_AMD64_SS
, "SS", (DWORD
*)FIELD_OFFSET(CONTEXT
, SegSs
), dbg_itype_unsigned_short_int
},
127 {CV_AMD64_DS
, "DS", (DWORD
*)FIELD_OFFSET(CONTEXT
, SegDs
), dbg_itype_unsigned_short_int
},
128 {CV_AMD64_FS
, "FS", (DWORD
*)FIELD_OFFSET(CONTEXT
, SegFs
), dbg_itype_unsigned_short_int
},
129 {CV_AMD64_GS
, "GS", (DWORD
*)FIELD_OFFSET(CONTEXT
, SegGs
), dbg_itype_unsigned_short_int
},
130 {CV_AMD64_FLAGS
, "FLAGS", (DWORD
*)FIELD_OFFSET(CONTEXT
, EFlags
), dbg_itype_unsigned_short_int
},
131 {CV_AMD64_EFLAGS
, "EFLAGS", (DWORD
*)FIELD_OFFSET(CONTEXT
, EFlags
), dbg_itype_unsigned_int
},
132 {CV_AMD64_RIP
, "RIP", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rip
), dbg_itype_unsigned_int
},
133 {CV_AMD64_RAX
, "RAX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rax
), dbg_itype_unsigned_long_int
},
134 {CV_AMD64_RBX
, "RBX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rbx
), dbg_itype_unsigned_long_int
},
135 {CV_AMD64_RCX
, "RCX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rcx
), dbg_itype_unsigned_long_int
},
136 {CV_AMD64_RDX
, "RDX", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rdx
), dbg_itype_unsigned_long_int
},
137 {CV_AMD64_RSP
, "RSP", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rsp
), dbg_itype_unsigned_long_int
},
138 {CV_AMD64_RBP
, "RBP", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rbp
), dbg_itype_unsigned_long_int
},
139 {CV_AMD64_RSI
, "RSI", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rsi
), dbg_itype_unsigned_long_int
},
140 {CV_AMD64_RDI
, "RDI", (DWORD
*)FIELD_OFFSET(CONTEXT
, Rdi
), dbg_itype_unsigned_long_int
},
141 {CV_AMD64_R8
, "R8", (DWORD
*)FIELD_OFFSET(CONTEXT
, R8
), dbg_itype_unsigned_long_int
},
142 {CV_AMD64_R9
, "R9", (DWORD
*)FIELD_OFFSET(CONTEXT
, R9
), dbg_itype_unsigned_long_int
},
143 {CV_AMD64_R10
, "R10", (DWORD
*)FIELD_OFFSET(CONTEXT
, R10
), dbg_itype_unsigned_long_int
},
144 {CV_AMD64_R11
, "R11", (DWORD
*)FIELD_OFFSET(CONTEXT
, R11
), dbg_itype_unsigned_long_int
},
145 {CV_AMD64_R12
, "R12", (DWORD
*)FIELD_OFFSET(CONTEXT
, R12
), dbg_itype_unsigned_long_int
},
146 {CV_AMD64_R13
, "R13", (DWORD
*)FIELD_OFFSET(CONTEXT
, R13
), dbg_itype_unsigned_long_int
},
147 {CV_AMD64_R14
, "R14", (DWORD
*)FIELD_OFFSET(CONTEXT
, R14
), dbg_itype_unsigned_long_int
},
148 {CV_AMD64_R15
, "R15", (DWORD
*)FIELD_OFFSET(CONTEXT
, R15
), dbg_itype_unsigned_long_int
},
149 {0, NULL
, 0, dbg_itype_none
}
152 static const struct dbg_internal_var
* be_x86_64_init_registers(CONTEXT
* ctx
)
154 struct dbg_internal_var
* div
;
156 for (div
= be_x86_64_ctx
; div
->name
; div
++)
157 div
->pval
= (DWORD
*)((char*)ctx
+ (DWORD_PTR
)div
->pval
);
158 return be_x86_64_ctx
;
161 static unsigned be_x86_64_is_step_over_insn(const void* insn
)
163 dbg_printf("not done step_over_insn\n");
167 static unsigned be_x86_64_is_function_return(const void* insn
)
169 dbg_printf("not done is_function_return\n");
173 static unsigned be_x86_64_is_break_insn(const void* insn
)
175 dbg_printf("not done is_break_insn\n");
179 static unsigned be_x86_64_is_func_call(const void* insn
, ADDRESS64
* callee
)
181 dbg_printf("not done is_func_call\n");
185 static void be_x86_64_disasm_one_insn(ADDRESS64
* addr
, int display
)
187 dbg_printf("Disasm NIY\n");
190 static unsigned be_x86_64_insert_Xpoint(HANDLE hProcess
, const struct be_process_io
* pio
,
191 CONTEXT
* ctx
, enum be_xpoint_type type
,
192 void* addr
, unsigned long* val
, unsigned size
)
194 dbg_printf("not done insert_Xpoint\n");
198 static unsigned be_x86_64_remove_Xpoint(HANDLE hProcess
, const struct be_process_io
* pio
,
199 CONTEXT
* ctx
, enum be_xpoint_type type
,
200 void* addr
, unsigned long val
, unsigned size
)
202 dbg_printf("not done remove_Xpoint\n");
206 static unsigned be_x86_64_is_watchpoint_set(const CONTEXT
* ctx
, unsigned idx
)
208 dbg_printf("not done is_watchpoint_set\n");
212 static void be_x86_64_clear_watchpoint(CONTEXT
* ctx
, unsigned idx
)
214 dbg_printf("not done clear_watchpoint\n");
217 static int be_x86_64_adjust_pc_for_break(CONTEXT
* ctx
, BOOL way
)
228 static int be_x86_64_fetch_integer(const struct dbg_lvalue
* lvalue
, unsigned size
,
229 unsigned ext_sign
, LONGLONG
* ret
)
231 dbg_printf("not done fetch_integer\n");
235 static int be_x86_64_fetch_float(const struct dbg_lvalue
* lvalue
, unsigned size
,
238 dbg_printf("not done fetch_float\n");
242 struct backend_cpu be_x86_64
=
247 be_x86_64_get_register_info
,
248 be_x86_64_single_step
,
249 be_x86_64_print_context
,
250 be_x86_64_print_segment_info
,
251 be_x86_64_init_registers
,
252 be_x86_64_is_step_over_insn
,
253 be_x86_64_is_function_return
,
254 be_x86_64_is_break_insn
,
255 be_x86_64_is_func_call
,
256 be_x86_64_disasm_one_insn
,
257 be_x86_64_insert_Xpoint
,
258 be_x86_64_remove_Xpoint
,
259 be_x86_64_is_watchpoint_set
,
260 be_x86_64_clear_watchpoint
,
261 be_x86_64_adjust_pc_for_break
,
262 be_x86_64_fetch_integer
,
263 be_x86_64_fetch_float
,