2 * Debugger ARM64 specific functions
4 * Copyright 2010-2013 André Hentschel
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(__aarch64__) && !defined(__AARCH64EB__)
25 static BOOL
be_arm64_get_addr(HANDLE hThread
, const dbg_ctx_t
*ctx
,
26 enum be_cpu_addr bca
, ADDRESS64
* addr
)
31 return be_cpu_build_addr(hThread
, ctx
, addr
, 0, ctx
->ctx
.Pc
);
32 case be_cpu_addr_stack
:
33 return be_cpu_build_addr(hThread
, ctx
, addr
, 0, ctx
->ctx
.Sp
);
34 case be_cpu_addr_frame
:
35 return be_cpu_build_addr(hThread
, ctx
, addr
, 0, ctx
->ctx
.u
.s
.Fp
);
41 static BOOL
be_arm64_get_register_info(int regno
, enum be_cpu_addr
* kind
)
45 case CV_ARM64_PC
: *kind
= be_cpu_addr_pc
; return TRUE
;
46 case CV_ARM64_SP
: *kind
= be_cpu_addr_stack
; return TRUE
;
47 case CV_ARM64_FP
: *kind
= be_cpu_addr_frame
; return TRUE
;
52 static void be_arm64_single_step(dbg_ctx_t
*ctx
, BOOL enable
)
54 dbg_printf("be_arm64_single_step: not done\n");
57 static void be_arm64_print_context(HANDLE hThread
, const dbg_ctx_t
*ctx
, int all_regs
)
59 static const char condflags
[] = "NZCV";
63 switch (ctx
->ctx
.Cpsr
& 0x0f)
65 case 0: strcpy(buf
, "EL0t"); break;
66 case 4: strcpy(buf
, "EL1t"); break;
67 case 5: strcpy(buf
, "EL1t"); break;
68 case 8: strcpy(buf
, "EL2t"); break;
69 case 9: strcpy(buf
, "EL2t"); break;
70 case 12: strcpy(buf
, "EL3t"); break;
71 case 13: strcpy(buf
, "EL3t"); break;
72 default: strcpy(buf
, "UNKNWN"); break;
75 dbg_printf("Register dump:\n");
76 dbg_printf("%s %s Mode\n", (ctx
->ctx
.Cpsr
& 0x10) ? "ARM" : "ARM64", buf
);
78 strcpy(buf
, condflags
);
79 for (i
= 0; buf
[i
]; i
++)
80 if (!((ctx
->ctx
.Cpsr
>> 26) & (1 << (sizeof(condflags
) - i
))))
83 dbg_printf(" Pc:%016I64x Sp:%016I64x Lr:%016I64x Cpsr:%08x(%s)\n",
84 ctx
->ctx
.Pc
, ctx
->ctx
.Sp
, ctx
->ctx
.u
.s
.Lr
, ctx
->ctx
.Cpsr
, buf
);
85 dbg_printf(" x0: %016I64x x1: %016I64x x2: %016I64x x3: %016I64x x4: %016I64x\n",
86 ctx
->ctx
.u
.s
.X0
, ctx
->ctx
.u
.s
.X1
, ctx
->ctx
.u
.s
.X2
, ctx
->ctx
.u
.s
.X3
, ctx
->ctx
.u
.s
.X4
);
87 dbg_printf(" x5: %016I64x x6: %016I64x x7: %016I64x x8: %016I64x x9: %016I64x\n",
88 ctx
->ctx
.u
.s
.X5
, ctx
->ctx
.u
.s
.X6
, ctx
->ctx
.u
.s
.X7
, ctx
->ctx
.u
.s
.X8
, ctx
->ctx
.u
.s
.X9
);
89 dbg_printf(" x10:%016I64x x11:%016I64x x12:%016I64x x13:%016I64x x14:%016I64x\n",
90 ctx
->ctx
.u
.s
.X10
, ctx
->ctx
.u
.s
.X11
, ctx
->ctx
.u
.s
.X12
, ctx
->ctx
.u
.s
.X13
, ctx
->ctx
.u
.s
.X14
);
91 dbg_printf(" x15:%016I64x ip0:%016I64x ip1:%016I64x x18:%016I64x x19:%016I64x\n",
92 ctx
->ctx
.u
.s
.X15
, ctx
->ctx
.u
.s
.X16
, ctx
->ctx
.u
.s
.X17
, ctx
->ctx
.u
.s
.X18
, ctx
->ctx
.u
.s
.X19
);
93 dbg_printf(" x20:%016I64x x21:%016I64x x22:%016I64x x23:%016I64x x24:%016I64x\n",
94 ctx
->ctx
.u
.s
.X20
, ctx
->ctx
.u
.s
.X21
, ctx
->ctx
.u
.s
.X22
, ctx
->ctx
.u
.s
.X23
, ctx
->ctx
.u
.s
.X24
);
95 dbg_printf(" x25:%016I64x x26:%016I64x x27:%016I64x x28:%016I64x Fp:%016I64x\n",
96 ctx
->ctx
.u
.s
.X25
, ctx
->ctx
.u
.s
.X26
, ctx
->ctx
.u
.s
.X27
, ctx
->ctx
.u
.s
.X28
, ctx
->ctx
.u
.s
.Fp
);
98 if (all_regs
) dbg_printf( "Floating point ARM64 dump not implemented\n" );
101 static void be_arm64_print_segment_info(HANDLE hThread
, const dbg_ctx_t
*ctx
)
105 static struct dbg_internal_var be_arm64_ctx
[] =
107 {CV_ARM64_PSTATE
, "cpsr", (void*)FIELD_OFFSET(CONTEXT
, Cpsr
), dbg_itype_unsigned_int32
},
108 {CV_ARM64_X0
+ 0, "x0", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X0
), dbg_itype_unsigned_int64
},
109 {CV_ARM64_X0
+ 1, "x1", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X1
), dbg_itype_unsigned_int64
},
110 {CV_ARM64_X0
+ 2, "x2", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X2
), dbg_itype_unsigned_int64
},
111 {CV_ARM64_X0
+ 3, "x3", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X3
), dbg_itype_unsigned_int64
},
112 {CV_ARM64_X0
+ 4, "x4", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X4
), dbg_itype_unsigned_int64
},
113 {CV_ARM64_X0
+ 5, "x5", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X5
), dbg_itype_unsigned_int64
},
114 {CV_ARM64_X0
+ 6, "x6", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X6
), dbg_itype_unsigned_int64
},
115 {CV_ARM64_X0
+ 7, "x7", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X7
), dbg_itype_unsigned_int64
},
116 {CV_ARM64_X0
+ 8, "x8", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X8
), dbg_itype_unsigned_int64
},
117 {CV_ARM64_X0
+ 9, "x9", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X9
), dbg_itype_unsigned_int64
},
118 {CV_ARM64_X0
+ 10, "x10", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X10
), dbg_itype_unsigned_int64
},
119 {CV_ARM64_X0
+ 11, "x11", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X11
), dbg_itype_unsigned_int64
},
120 {CV_ARM64_X0
+ 12, "x12", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X12
), dbg_itype_unsigned_int64
},
121 {CV_ARM64_X0
+ 13, "x13", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X13
), dbg_itype_unsigned_int64
},
122 {CV_ARM64_X0
+ 14, "x14", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X14
), dbg_itype_unsigned_int64
},
123 {CV_ARM64_X0
+ 15, "x15", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X15
), dbg_itype_unsigned_int64
},
124 {CV_ARM64_X0
+ 16, "x16", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X16
), dbg_itype_unsigned_int64
},
125 {CV_ARM64_X0
+ 17, "x17", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X17
), dbg_itype_unsigned_int64
},
126 {CV_ARM64_X0
+ 18, "x18", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X18
), dbg_itype_unsigned_int64
},
127 {CV_ARM64_X0
+ 19, "x19", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X19
), dbg_itype_unsigned_int64
},
128 {CV_ARM64_X0
+ 20, "x20", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X20
), dbg_itype_unsigned_int64
},
129 {CV_ARM64_X0
+ 21, "x21", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X21
), dbg_itype_unsigned_int64
},
130 {CV_ARM64_X0
+ 22, "x22", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X22
), dbg_itype_unsigned_int64
},
131 {CV_ARM64_X0
+ 23, "x23", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X23
), dbg_itype_unsigned_int64
},
132 {CV_ARM64_X0
+ 24, "x24", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X24
), dbg_itype_unsigned_int64
},
133 {CV_ARM64_X0
+ 25, "x25", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X25
), dbg_itype_unsigned_int64
},
134 {CV_ARM64_X0
+ 26, "x26", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X26
), dbg_itype_unsigned_int64
},
135 {CV_ARM64_X0
+ 27, "x27", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X27
), dbg_itype_unsigned_int64
},
136 {CV_ARM64_X0
+ 28, "x28", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.X28
), dbg_itype_unsigned_int64
},
137 {CV_ARM64_FP
, "fp", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.Fp
), dbg_itype_unsigned_int64
},
138 {CV_ARM64_LR
, "lr", (void*)FIELD_OFFSET(CONTEXT
, u
.s
.Lr
), dbg_itype_unsigned_int64
},
139 {CV_ARM64_SP
, "sp", (void*)FIELD_OFFSET(CONTEXT
, Sp
), dbg_itype_unsigned_int64
},
140 {CV_ARM64_PC
, "pc", (void*)FIELD_OFFSET(CONTEXT
, Pc
), dbg_itype_unsigned_int64
},
141 {0, NULL
, 0, dbg_itype_none
}
144 static BOOL
be_arm64_is_step_over_insn(const void* insn
)
146 dbg_printf("be_arm64_is_step_over_insn: not done\n");
150 static BOOL
be_arm64_is_function_return(const void* insn
)
152 dbg_printf("be_arm64_is_function_return: not done\n");
156 static BOOL
be_arm64_is_break_insn(const void* insn
)
158 dbg_printf("be_arm64_is_break_insn: not done\n");
162 static BOOL
be_arm64_is_func_call(const void* insn
, ADDRESS64
* callee
)
167 static BOOL
be_arm64_is_jump(const void* insn
, ADDRESS64
* jumpee
)
172 static BOOL
be_arm64_insert_Xpoint(HANDLE hProcess
, const struct be_process_io
* pio
,
173 dbg_ctx_t
*ctx
, enum be_xpoint_type type
,
174 void* addr
, unsigned *val
, unsigned size
)
180 case be_xpoint_break
:
181 if (!size
) return FALSE
;
182 if (!pio
->read(hProcess
, addr
, val
, 4, &sz
) || sz
!= 4) return FALSE
;
184 dbg_printf("Unknown/unsupported bp type %c\n", type
);
190 static BOOL
be_arm64_remove_Xpoint(HANDLE hProcess
, const struct be_process_io
* pio
,
191 dbg_ctx_t
*ctx
, enum be_xpoint_type type
,
192 void* addr
, unsigned val
, unsigned size
)
198 case be_xpoint_break
:
199 if (!size
) return FALSE
;
200 if (!pio
->write(hProcess
, addr
, &val
, 4, &sz
) || sz
== 4) return FALSE
;
203 dbg_printf("Unknown/unsupported bp type %c\n", type
);
209 static BOOL
be_arm64_is_watchpoint_set(const dbg_ctx_t
*ctx
, unsigned idx
)
211 dbg_printf("be_arm64_is_watchpoint_set: not done\n");
215 static void be_arm64_clear_watchpoint(dbg_ctx_t
*ctx
, unsigned idx
)
217 dbg_printf("be_arm64_clear_watchpoint: not done\n");
220 static int be_arm64_adjust_pc_for_break(dbg_ctx_t
*ctx
, BOOL way
)
231 void be_arm64_disasm_one_insn(ADDRESS64
*addr
, int display
)
233 dbg_printf("be_arm64_disasm_one_insn: not done\n");
236 static BOOL
be_arm64_get_context(HANDLE thread
, dbg_ctx_t
*ctx
)
238 ctx
->ctx
.ContextFlags
= CONTEXT_ALL
;
239 return GetThreadContext(thread
, &ctx
->ctx
);
242 static BOOL
be_arm64_set_context(HANDLE thread
, const dbg_ctx_t
*ctx
)
244 return SetThreadContext(thread
, &ctx
->ctx
);
247 #define REG(f,n,t,r) {f, n, t, FIELD_OFFSET(CONTEXT, r), sizeof(((CONTEXT*)NULL)->r)}
249 static struct gdb_register be_arm64_gdb_register_map
[] = {
250 REG("core", "x0", NULL
, u
.s
.X0
),
251 REG(NULL
, "x1", NULL
, u
.s
.X1
),
252 REG(NULL
, "x2", NULL
, u
.s
.X2
),
253 REG(NULL
, "x3", NULL
, u
.s
.X3
),
254 REG(NULL
, "x4", NULL
, u
.s
.X4
),
255 REG(NULL
, "x5", NULL
, u
.s
.X5
),
256 REG(NULL
, "x6", NULL
, u
.s
.X6
),
257 REG(NULL
, "x7", NULL
, u
.s
.X7
),
258 REG(NULL
, "x8", NULL
, u
.s
.X8
),
259 REG(NULL
, "x9", NULL
, u
.s
.X9
),
260 REG(NULL
, "x10", NULL
, u
.s
.X10
),
261 REG(NULL
, "x11", NULL
, u
.s
.X11
),
262 REG(NULL
, "x12", NULL
, u
.s
.X12
),
263 REG(NULL
, "x13", NULL
, u
.s
.X13
),
264 REG(NULL
, "x14", NULL
, u
.s
.X14
),
265 REG(NULL
, "x15", NULL
, u
.s
.X15
),
266 REG(NULL
, "x16", NULL
, u
.s
.X16
),
267 REG(NULL
, "x17", NULL
, u
.s
.X17
),
268 REG(NULL
, "x18", NULL
, u
.s
.X18
),
269 REG(NULL
, "x19", NULL
, u
.s
.X19
),
270 REG(NULL
, "x20", NULL
, u
.s
.X20
),
271 REG(NULL
, "x21", NULL
, u
.s
.X21
),
272 REG(NULL
, "x22", NULL
, u
.s
.X22
),
273 REG(NULL
, "x23", NULL
, u
.s
.X23
),
274 REG(NULL
, "x24", NULL
, u
.s
.X24
),
275 REG(NULL
, "x25", NULL
, u
.s
.X25
),
276 REG(NULL
, "x26", NULL
, u
.s
.X26
),
277 REG(NULL
, "x27", NULL
, u
.s
.X27
),
278 REG(NULL
, "x28", NULL
, u
.s
.X28
),
279 REG(NULL
, "x29", NULL
, u
.s
.Fp
),
280 REG(NULL
, "x30", NULL
, u
.s
.Lr
),
281 REG(NULL
, "sp", "data_ptr", Sp
),
282 REG(NULL
, "pc", "code_ptr", Pc
),
283 REG(NULL
, "cpsr", "cpsr_flags", Cpsr
),
286 struct backend_cpu be_arm64
=
288 IMAGE_FILE_MACHINE_ARM64
,
293 be_arm64_get_register_info
,
294 be_arm64_single_step
,
295 be_arm64_print_context
,
296 be_arm64_print_segment_info
,
298 be_arm64_is_step_over_insn
,
299 be_arm64_is_function_return
,
300 be_arm64_is_break_insn
,
301 be_arm64_is_func_call
,
303 be_arm64_disasm_one_insn
,
304 be_arm64_insert_Xpoint
,
305 be_arm64_remove_Xpoint
,
306 be_arm64_is_watchpoint_set
,
307 be_arm64_clear_watchpoint
,
308 be_arm64_adjust_pc_for_break
,
309 be_arm64_get_context
,
310 be_arm64_set_context
,
311 be_arm64_gdb_register_map
,
312 ARRAY_SIZE(be_arm64_gdb_register_map
),