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1 | b9adb4a6 | bellard | /* General "disassemble this chunk" code. Used for debugging. */
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2 | 5bbe9299 | bellard | #include "config.h" |
3 | 76cad711 | Paolo Bonzini | #include "disas/bfd.h" |
4 | b9adb4a6 | bellard | #include "elf.h" |
5 | aa0aa4fa | bellard | #include <errno.h> |
6 | b9adb4a6 | bellard | |
7 | c6105c0a | bellard | #include "cpu.h" |
8 | 76cad711 | Paolo Bonzini | #include "disas/disas.h" |
9 | c6105c0a | bellard | |
10 | f4359b9f | Blue Swirl | typedef struct CPUDebug { |
11 | f4359b9f | Blue Swirl | struct disassemble_info info;
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12 | f4359b9f | Blue Swirl | CPUArchState *env; |
13 | f4359b9f | Blue Swirl | } CPUDebug; |
14 | f4359b9f | Blue Swirl | |
15 | b9adb4a6 | bellard | /* Filled in by elfload.c. Simplistic, but will do for now. */
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16 | e80cfcfc | bellard | struct syminfo *syminfos = NULL; |
17 | b9adb4a6 | bellard | |
18 | aa0aa4fa | bellard | /* Get LENGTH bytes from info's buffer, at target address memaddr.
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19 | aa0aa4fa | bellard | Transfer them to myaddr. */
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20 | aa0aa4fa | bellard | int
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21 | 3a742b76 | pbrook | buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
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22 | 3a742b76 | pbrook | struct disassemble_info *info)
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23 | aa0aa4fa | bellard | { |
24 | c6105c0a | bellard | if (memaddr < info->buffer_vma
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25 | c6105c0a | bellard | || memaddr + length > info->buffer_vma + info->buffer_length) |
26 | c6105c0a | bellard | /* Out of bounds. Use EIO because GDB uses it. */
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27 | c6105c0a | bellard | return EIO;
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28 | c6105c0a | bellard | memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length); |
29 | c6105c0a | bellard | return 0; |
30 | aa0aa4fa | bellard | } |
31 | aa0aa4fa | bellard | |
32 | c6105c0a | bellard | /* Get LENGTH bytes from info's buffer, at target address memaddr.
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33 | c6105c0a | bellard | Transfer them to myaddr. */
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34 | c6105c0a | bellard | static int |
35 | c27004ec | bellard | target_read_memory (bfd_vma memaddr, |
36 | c27004ec | bellard | bfd_byte *myaddr, |
37 | c27004ec | bellard | int length,
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38 | c27004ec | bellard | struct disassemble_info *info)
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39 | c6105c0a | bellard | { |
40 | f4359b9f | Blue Swirl | CPUDebug *s = container_of(info, CPUDebug, info); |
41 | f4359b9f | Blue Swirl | |
42 | f17ec444 | Andreas Färber | cpu_memory_rw_debug(ENV_GET_CPU(s->env), memaddr, myaddr, length, 0);
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43 | c6105c0a | bellard | return 0; |
44 | c6105c0a | bellard | } |
45 | c6105c0a | bellard | |
46 | aa0aa4fa | bellard | /* Print an error message. We can assume that this is in response to
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47 | aa0aa4fa | bellard | an error return from buffer_read_memory. */
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48 | aa0aa4fa | bellard | void
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49 | 3a742b76 | pbrook | perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info) |
50 | aa0aa4fa | bellard | { |
51 | aa0aa4fa | bellard | if (status != EIO)
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52 | aa0aa4fa | bellard | /* Can't happen. */
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53 | aa0aa4fa | bellard | (*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
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54 | aa0aa4fa | bellard | else
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55 | aa0aa4fa | bellard | /* Actually, address between memaddr and memaddr + len was
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56 | aa0aa4fa | bellard | out of bounds. */
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57 | aa0aa4fa | bellard | (*info->fprintf_func) (info->stream, |
58 | 26a76461 | bellard | "Address 0x%" PRIx64 " is out of bounds.\n", memaddr); |
59 | aa0aa4fa | bellard | } |
60 | aa0aa4fa | bellard | |
61 | a31f0531 | Jim Meyering | /* This could be in a separate file, to save minuscule amounts of space
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62 | aa0aa4fa | bellard | in statically linked executables. */
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63 | aa0aa4fa | bellard | |
64 | aa0aa4fa | bellard | /* Just print the address is hex. This is included for completeness even
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65 | aa0aa4fa | bellard | though both GDB and objdump provide their own (to print symbolic
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66 | aa0aa4fa | bellard | addresses). */
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67 | aa0aa4fa | bellard | |
68 | aa0aa4fa | bellard | void
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69 | 3a742b76 | pbrook | generic_print_address (bfd_vma addr, struct disassemble_info *info)
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70 | aa0aa4fa | bellard | { |
71 | 26a76461 | bellard | (*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
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72 | aa0aa4fa | bellard | } |
73 | aa0aa4fa | bellard | |
74 | 636bd289 | Peter Maydell | /* Print address in hex, truncated to the width of a target virtual address. */
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75 | 636bd289 | Peter Maydell | static void |
76 | 636bd289 | Peter Maydell | generic_print_target_address(bfd_vma addr, struct disassemble_info *info)
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77 | 636bd289 | Peter Maydell | { |
78 | 636bd289 | Peter Maydell | uint64_t mask = ~0ULL >> (64 - TARGET_VIRT_ADDR_SPACE_BITS); |
79 | 636bd289 | Peter Maydell | generic_print_address(addr & mask, info); |
80 | 636bd289 | Peter Maydell | } |
81 | 636bd289 | Peter Maydell | |
82 | 636bd289 | Peter Maydell | /* Print address in hex, truncated to the width of a host virtual address. */
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83 | 636bd289 | Peter Maydell | static void |
84 | 636bd289 | Peter Maydell | generic_print_host_address(bfd_vma addr, struct disassemble_info *info)
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85 | 636bd289 | Peter Maydell | { |
86 | 636bd289 | Peter Maydell | uint64_t mask = ~0ULL >> (64 - (sizeof(void *) * 8)); |
87 | 636bd289 | Peter Maydell | generic_print_address(addr & mask, info); |
88 | 636bd289 | Peter Maydell | } |
89 | 636bd289 | Peter Maydell | |
90 | aa0aa4fa | bellard | /* Just return the given address. */
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91 | aa0aa4fa | bellard | |
92 | aa0aa4fa | bellard | int
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93 | 3a742b76 | pbrook | generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)
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94 | aa0aa4fa | bellard | { |
95 | aa0aa4fa | bellard | return 1; |
96 | aa0aa4fa | bellard | } |
97 | aa0aa4fa | bellard | |
98 | 903ec55c | Aurelien Jarno | bfd_vma bfd_getl64 (const bfd_byte *addr)
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99 | 903ec55c | Aurelien Jarno | { |
100 | 903ec55c | Aurelien Jarno | unsigned long long v; |
101 | 903ec55c | Aurelien Jarno | |
102 | 903ec55c | Aurelien Jarno | v = (unsigned long long) addr[0]; |
103 | 903ec55c | Aurelien Jarno | v |= (unsigned long long) addr[1] << 8; |
104 | 903ec55c | Aurelien Jarno | v |= (unsigned long long) addr[2] << 16; |
105 | 903ec55c | Aurelien Jarno | v |= (unsigned long long) addr[3] << 24; |
106 | 903ec55c | Aurelien Jarno | v |= (unsigned long long) addr[4] << 32; |
107 | 903ec55c | Aurelien Jarno | v |= (unsigned long long) addr[5] << 40; |
108 | 903ec55c | Aurelien Jarno | v |= (unsigned long long) addr[6] << 48; |
109 | 903ec55c | Aurelien Jarno | v |= (unsigned long long) addr[7] << 56; |
110 | 903ec55c | Aurelien Jarno | return (bfd_vma) v;
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111 | 903ec55c | Aurelien Jarno | } |
112 | 903ec55c | Aurelien Jarno | |
113 | aa0aa4fa | bellard | bfd_vma bfd_getl32 (const bfd_byte *addr)
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114 | aa0aa4fa | bellard | { |
115 | aa0aa4fa | bellard | unsigned long v; |
116 | aa0aa4fa | bellard | |
117 | aa0aa4fa | bellard | v = (unsigned long) addr[0]; |
118 | aa0aa4fa | bellard | v |= (unsigned long) addr[1] << 8; |
119 | aa0aa4fa | bellard | v |= (unsigned long) addr[2] << 16; |
120 | aa0aa4fa | bellard | v |= (unsigned long) addr[3] << 24; |
121 | aa0aa4fa | bellard | return (bfd_vma) v;
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122 | aa0aa4fa | bellard | } |
123 | aa0aa4fa | bellard | |
124 | aa0aa4fa | bellard | bfd_vma bfd_getb32 (const bfd_byte *addr)
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125 | aa0aa4fa | bellard | { |
126 | aa0aa4fa | bellard | unsigned long v; |
127 | aa0aa4fa | bellard | |
128 | aa0aa4fa | bellard | v = (unsigned long) addr[0] << 24; |
129 | aa0aa4fa | bellard | v |= (unsigned long) addr[1] << 16; |
130 | aa0aa4fa | bellard | v |= (unsigned long) addr[2] << 8; |
131 | aa0aa4fa | bellard | v |= (unsigned long) addr[3]; |
132 | aa0aa4fa | bellard | return (bfd_vma) v;
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133 | aa0aa4fa | bellard | } |
134 | aa0aa4fa | bellard | |
135 | 6af0bf9c | bellard | bfd_vma bfd_getl16 (const bfd_byte *addr)
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136 | 6af0bf9c | bellard | { |
137 | 6af0bf9c | bellard | unsigned long v; |
138 | 6af0bf9c | bellard | |
139 | 6af0bf9c | bellard | v = (unsigned long) addr[0]; |
140 | 6af0bf9c | bellard | v |= (unsigned long) addr[1] << 8; |
141 | 6af0bf9c | bellard | return (bfd_vma) v;
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142 | 6af0bf9c | bellard | } |
143 | 6af0bf9c | bellard | |
144 | 6af0bf9c | bellard | bfd_vma bfd_getb16 (const bfd_byte *addr)
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145 | 6af0bf9c | bellard | { |
146 | 6af0bf9c | bellard | unsigned long v; |
147 | 6af0bf9c | bellard | |
148 | 6af0bf9c | bellard | v = (unsigned long) addr[0] << 24; |
149 | 6af0bf9c | bellard | v |= (unsigned long) addr[1] << 16; |
150 | 6af0bf9c | bellard | return (bfd_vma) v;
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151 | 6af0bf9c | bellard | } |
152 | 6af0bf9c | bellard | |
153 | c2d551ff | bellard | #ifdef TARGET_ARM
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154 | c2d551ff | bellard | static int |
155 | c2d551ff | bellard | print_insn_thumb1(bfd_vma pc, disassemble_info *info) |
156 | c2d551ff | bellard | { |
157 | c2d551ff | bellard | return print_insn_arm(pc | 1, info); |
158 | c2d551ff | bellard | } |
159 | c2d551ff | bellard | #endif
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160 | c2d551ff | bellard | |
161 | c46ffd57 | Richard Henderson | static int print_insn_objdump(bfd_vma pc, disassemble_info *info, |
162 | c46ffd57 | Richard Henderson | const char *prefix) |
163 | c46ffd57 | Richard Henderson | { |
164 | c46ffd57 | Richard Henderson | int i, n = info->buffer_length;
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165 | c46ffd57 | Richard Henderson | uint8_t *buf = g_malloc(n); |
166 | c46ffd57 | Richard Henderson | |
167 | c46ffd57 | Richard Henderson | info->read_memory_func(pc, buf, n, info); |
168 | c46ffd57 | Richard Henderson | |
169 | c46ffd57 | Richard Henderson | for (i = 0; i < n; ++i) { |
170 | c46ffd57 | Richard Henderson | if (i % 32 == 0) { |
171 | c46ffd57 | Richard Henderson | info->fprintf_func(info->stream, "\n%s: ", prefix);
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172 | c46ffd57 | Richard Henderson | } |
173 | c46ffd57 | Richard Henderson | info->fprintf_func(info->stream, "%02x", buf[i]);
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174 | c46ffd57 | Richard Henderson | } |
175 | c46ffd57 | Richard Henderson | |
176 | c46ffd57 | Richard Henderson | g_free(buf); |
177 | c46ffd57 | Richard Henderson | return n;
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178 | c46ffd57 | Richard Henderson | } |
179 | c46ffd57 | Richard Henderson | |
180 | c46ffd57 | Richard Henderson | static int print_insn_od_host(bfd_vma pc, disassemble_info *info) |
181 | c46ffd57 | Richard Henderson | { |
182 | c46ffd57 | Richard Henderson | return print_insn_objdump(pc, info, "OBJD-H"); |
183 | c46ffd57 | Richard Henderson | } |
184 | c46ffd57 | Richard Henderson | |
185 | c46ffd57 | Richard Henderson | static int print_insn_od_target(bfd_vma pc, disassemble_info *info) |
186 | c46ffd57 | Richard Henderson | { |
187 | c46ffd57 | Richard Henderson | return print_insn_objdump(pc, info, "OBJD-T"); |
188 | c46ffd57 | Richard Henderson | } |
189 | c46ffd57 | Richard Henderson | |
190 | e91c8a77 | ths | /* Disassemble this for me please... (debugging). 'flags' has the following
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191 | c2d551ff | bellard | values:
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192 | e99722f6 | Frediano Ziglio | i386 - 1 means 16 bit code, 2 means 64 bit code
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193 | 999b53ec | Claudio Fontana | arm - bit 0 = thumb, bit 1 = reverse endian, bit 2 = A64
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194 | 6a00d601 | bellard | ppc - nonzero means little endian
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195 | c2d551ff | bellard | other targets - unused
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196 | c2d551ff | bellard | */
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197 | f4359b9f | Blue Swirl | void target_disas(FILE *out, CPUArchState *env, target_ulong code,
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198 | f4359b9f | Blue Swirl | target_ulong size, int flags)
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199 | b9adb4a6 | bellard | { |
200 | c27004ec | bellard | target_ulong pc; |
201 | b9adb4a6 | bellard | int count;
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202 | f4359b9f | Blue Swirl | CPUDebug s; |
203 | c46ffd57 | Richard Henderson | int (*print_insn)(bfd_vma pc, disassemble_info *info) = NULL; |
204 | b9adb4a6 | bellard | |
205 | f4359b9f | Blue Swirl | INIT_DISASSEMBLE_INFO(s.info, out, fprintf); |
206 | b9adb4a6 | bellard | |
207 | f4359b9f | Blue Swirl | s.env = env; |
208 | f4359b9f | Blue Swirl | s.info.read_memory_func = target_read_memory; |
209 | f4359b9f | Blue Swirl | s.info.buffer_vma = code; |
210 | f4359b9f | Blue Swirl | s.info.buffer_length = size; |
211 | f4359b9f | Blue Swirl | s.info.print_address_func = generic_print_target_address; |
212 | c27004ec | bellard | |
213 | c27004ec | bellard | #ifdef TARGET_WORDS_BIGENDIAN
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214 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_BIG; |
215 | c27004ec | bellard | #else
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216 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_LITTLE; |
217 | c27004ec | bellard | #endif
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218 | c27004ec | bellard | #if defined(TARGET_I386)
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219 | f4359b9f | Blue Swirl | if (flags == 2) { |
220 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_x86_64; |
221 | f4359b9f | Blue Swirl | } else if (flags == 1) { |
222 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_i386_i8086; |
223 | f4359b9f | Blue Swirl | } else {
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224 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_i386_i386; |
225 | f4359b9f | Blue Swirl | } |
226 | c27004ec | bellard | print_insn = print_insn_i386; |
227 | c27004ec | bellard | #elif defined(TARGET_ARM)
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228 | 999b53ec | Claudio Fontana | if (flags & 4) { |
229 | 999b53ec | Claudio Fontana | /* We might not be compiled with the A64 disassembler
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230 | 999b53ec | Claudio Fontana | * because it needs a C++ compiler; in that case we will
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231 | 999b53ec | Claudio Fontana | * fall through to the default print_insn_od case.
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232 | 999b53ec | Claudio Fontana | */
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233 | 999b53ec | Claudio Fontana | #if defined(CONFIG_ARM_A64_DIS)
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234 | 999b53ec | Claudio Fontana | print_insn = print_insn_arm_a64; |
235 | 999b53ec | Claudio Fontana | #endif
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236 | 999b53ec | Claudio Fontana | } else if (flags & 1) { |
237 | d8fd2954 | Paul Brook | print_insn = print_insn_thumb1; |
238 | d8fd2954 | Paul Brook | } else {
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239 | d8fd2954 | Paul Brook | print_insn = print_insn_arm; |
240 | d8fd2954 | Paul Brook | } |
241 | d8fd2954 | Paul Brook | if (flags & 2) { |
242 | d8fd2954 | Paul Brook | #ifdef TARGET_WORDS_BIGENDIAN
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243 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_LITTLE; |
244 | d8fd2954 | Paul Brook | #else
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245 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_BIG; |
246 | d8fd2954 | Paul Brook | #endif
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247 | d8fd2954 | Paul Brook | } |
248 | c27004ec | bellard | #elif defined(TARGET_SPARC)
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249 | c27004ec | bellard | print_insn = print_insn_sparc; |
250 | 3475187d | bellard | #ifdef TARGET_SPARC64
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251 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_sparc_v9b; |
252 | 3b46e624 | ths | #endif
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253 | c27004ec | bellard | #elif defined(TARGET_PPC)
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254 | f4359b9f | Blue Swirl | if (flags >> 16) { |
255 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_LITTLE; |
256 | f4359b9f | Blue Swirl | } |
257 | 237c0af0 | j_mayer | if (flags & 0xFFFF) { |
258 | 237c0af0 | j_mayer | /* If we have a precise definitions of the instructions set, use it */
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259 | f4359b9f | Blue Swirl | s.info.mach = flags & 0xFFFF;
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260 | 237c0af0 | j_mayer | } else {
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261 | a2458627 | bellard | #ifdef TARGET_PPC64
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262 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_ppc64; |
263 | a2458627 | bellard | #else
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264 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_ppc; |
265 | a2458627 | bellard | #endif
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266 | 237c0af0 | j_mayer | } |
267 | 88770fec | Aurelien Jarno | s.info.disassembler_options = (char *)"any"; |
268 | c27004ec | bellard | print_insn = print_insn_ppc; |
269 | e6e5906b | pbrook | #elif defined(TARGET_M68K)
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270 | e6e5906b | pbrook | print_insn = print_insn_m68k; |
271 | 6af0bf9c | bellard | #elif defined(TARGET_MIPS)
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272 | 76b3030c | bellard | #ifdef TARGET_WORDS_BIGENDIAN
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273 | 6af0bf9c | bellard | print_insn = print_insn_big_mips; |
274 | 76b3030c | bellard | #else
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275 | 76b3030c | bellard | print_insn = print_insn_little_mips; |
276 | 76b3030c | bellard | #endif
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277 | fdf9b3e8 | bellard | #elif defined(TARGET_SH4)
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278 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_sh4; |
279 | fdf9b3e8 | bellard | print_insn = print_insn_sh; |
280 | eddf68a6 | j_mayer | #elif defined(TARGET_ALPHA)
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281 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_alpha_ev6; |
282 | eddf68a6 | j_mayer | print_insn = print_insn_alpha; |
283 | a25fd137 | ths | #elif defined(TARGET_CRIS)
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284 | b09cd072 | Edgar E. Iglesias | if (flags != 32) { |
285 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_cris_v0_v10; |
286 | b09cd072 | Edgar E. Iglesias | print_insn = print_insn_crisv10; |
287 | b09cd072 | Edgar E. Iglesias | } else {
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288 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_cris_v32; |
289 | b09cd072 | Edgar E. Iglesias | print_insn = print_insn_crisv32; |
290 | b09cd072 | Edgar E. Iglesias | } |
291 | db500609 | Ulrich Hecht | #elif defined(TARGET_S390X)
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292 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_s390_64; |
293 | db500609 | Ulrich Hecht | print_insn = print_insn_s390; |
294 | e90e390c | Edgar E. Iglesias | #elif defined(TARGET_MICROBLAZE)
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295 | f4359b9f | Blue Swirl | s.info.mach = bfd_arch_microblaze; |
296 | e90e390c | Edgar E. Iglesias | print_insn = print_insn_microblaze; |
297 | bd86a88e | Anthony Green | #elif defined(TARGET_MOXIE)
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298 | bd86a88e | Anthony Green | s.info.mach = bfd_arch_moxie; |
299 | bd86a88e | Anthony Green | print_insn = print_insn_moxie; |
300 | 79368f49 | Michael Walle | #elif defined(TARGET_LM32)
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301 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_lm32; |
302 | 79368f49 | Michael Walle | print_insn = print_insn_lm32; |
303 | c6105c0a | bellard | #endif
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304 | c46ffd57 | Richard Henderson | if (print_insn == NULL) { |
305 | c46ffd57 | Richard Henderson | print_insn = print_insn_od_target; |
306 | c46ffd57 | Richard Henderson | } |
307 | c6105c0a | bellard | |
308 | 7e000c2e | blueswir1 | for (pc = code; size > 0; pc += count, size -= count) { |
309 | fa15e030 | bellard | fprintf(out, "0x" TARGET_FMT_lx ": ", pc); |
310 | f4359b9f | Blue Swirl | count = print_insn(pc, &s.info); |
311 | c27004ec | bellard | #if 0
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312 | c27004ec | bellard | {
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313 | c27004ec | bellard | int i;
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314 | c27004ec | bellard | uint8_t b;
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315 | c27004ec | bellard | fprintf(out, " {");
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316 | c27004ec | bellard | for(i = 0; i < count; i++) {
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317 | f4359b9f | Blue Swirl | target_read_memory(pc + i, &b, 1, &s.info);
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318 | c27004ec | bellard | fprintf(out, " %02x", b);
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319 | c27004ec | bellard | }
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320 | c27004ec | bellard | fprintf(out, " }");
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321 | c27004ec | bellard | }
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322 | c27004ec | bellard | #endif
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323 | c27004ec | bellard | fprintf(out, "\n");
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324 | c27004ec | bellard | if (count < 0) |
325 | c27004ec | bellard | break;
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326 | 754d00ae | malc | if (size < count) {
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327 | 754d00ae | malc | fprintf(out, |
328 | 754d00ae | malc | "Disassembler disagrees with translator over instruction "
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329 | 754d00ae | malc | "decoding\n"
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330 | 754d00ae | malc | "Please report this to qemu-devel@nongnu.org\n");
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331 | 754d00ae | malc | break;
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332 | 754d00ae | malc | } |
333 | c27004ec | bellard | } |
334 | c27004ec | bellard | } |
335 | c27004ec | bellard | |
336 | c27004ec | bellard | /* Disassemble this for me please... (debugging). */
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337 | c27004ec | bellard | void disas(FILE *out, void *code, unsigned long size) |
338 | c27004ec | bellard | { |
339 | b0b0f1c9 | Stefan Weil | uintptr_t pc; |
340 | c27004ec | bellard | int count;
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341 | f4359b9f | Blue Swirl | CPUDebug s; |
342 | c46ffd57 | Richard Henderson | int (*print_insn)(bfd_vma pc, disassemble_info *info) = NULL; |
343 | c27004ec | bellard | |
344 | f4359b9f | Blue Swirl | INIT_DISASSEMBLE_INFO(s.info, out, fprintf); |
345 | f4359b9f | Blue Swirl | s.info.print_address_func = generic_print_host_address; |
346 | c27004ec | bellard | |
347 | f4359b9f | Blue Swirl | s.info.buffer = code; |
348 | f4359b9f | Blue Swirl | s.info.buffer_vma = (uintptr_t)code; |
349 | f4359b9f | Blue Swirl | s.info.buffer_length = size; |
350 | b9adb4a6 | bellard | |
351 | e2542fe2 | Juan Quintela | #ifdef HOST_WORDS_BIGENDIAN
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352 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_BIG; |
353 | b9adb4a6 | bellard | #else
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354 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_LITTLE; |
355 | b9adb4a6 | bellard | #endif
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356 | 5826e519 | Stefan Weil | #if defined(CONFIG_TCG_INTERPRETER)
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357 | 5826e519 | Stefan Weil | print_insn = print_insn_tci; |
358 | 5826e519 | Stefan Weil | #elif defined(__i386__)
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359 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_i386_i386; |
360 | c27004ec | bellard | print_insn = print_insn_i386; |
361 | bc51c5c9 | bellard | #elif defined(__x86_64__)
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362 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_x86_64; |
363 | c27004ec | bellard | print_insn = print_insn_i386; |
364 | e58ffeb3 | malc | #elif defined(_ARCH_PPC)
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365 | 66d4f6a3 | Richard Henderson | s.info.disassembler_options = (char *)"any"; |
366 | c27004ec | bellard | print_insn = print_insn_ppc; |
367 | 999b53ec | Claudio Fontana | #elif defined(__aarch64__) && defined(CONFIG_ARM_A64_DIS)
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368 | 999b53ec | Claudio Fontana | print_insn = print_insn_arm_a64; |
369 | a993ba85 | bellard | #elif defined(__alpha__)
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370 | c27004ec | bellard | print_insn = print_insn_alpha; |
371 | aa0aa4fa | bellard | #elif defined(__sparc__)
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372 | c27004ec | bellard | print_insn = print_insn_sparc; |
373 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_sparc_v9b; |
374 | 5fafdf24 | ths | #elif defined(__arm__)
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375 | c27004ec | bellard | print_insn = print_insn_arm; |
376 | 6af0bf9c | bellard | #elif defined(__MIPSEB__)
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377 | 6af0bf9c | bellard | print_insn = print_insn_big_mips; |
378 | 6af0bf9c | bellard | #elif defined(__MIPSEL__)
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379 | 6af0bf9c | bellard | print_insn = print_insn_little_mips; |
380 | 48024e4a | bellard | #elif defined(__m68k__)
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381 | 48024e4a | bellard | print_insn = print_insn_m68k; |
382 | 8f860bb8 | ths | #elif defined(__s390__)
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383 | 8f860bb8 | ths | print_insn = print_insn_s390; |
384 | f54b3f92 | aurel32 | #elif defined(__hppa__)
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385 | f54b3f92 | aurel32 | print_insn = print_insn_hppa; |
386 | 903ec55c | Aurelien Jarno | #elif defined(__ia64__)
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387 | 903ec55c | Aurelien Jarno | print_insn = print_insn_ia64; |
388 | b9adb4a6 | bellard | #endif
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389 | c46ffd57 | Richard Henderson | if (print_insn == NULL) { |
390 | c46ffd57 | Richard Henderson | print_insn = print_insn_od_host; |
391 | c46ffd57 | Richard Henderson | } |
392 | b0b0f1c9 | Stefan Weil | for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) { |
393 | b0b0f1c9 | Stefan Weil | fprintf(out, "0x%08" PRIxPTR ": ", pc); |
394 | f4359b9f | Blue Swirl | count = print_insn(pc, &s.info); |
395 | b9adb4a6 | bellard | fprintf(out, "\n");
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396 | b9adb4a6 | bellard | if (count < 0) |
397 | b9adb4a6 | bellard | break;
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398 | b9adb4a6 | bellard | } |
399 | b9adb4a6 | bellard | } |
400 | b9adb4a6 | bellard | |
401 | b9adb4a6 | bellard | /* Look up symbol for debugging purpose. Returns "" if unknown. */
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402 | c27004ec | bellard | const char *lookup_symbol(target_ulong orig_addr) |
403 | b9adb4a6 | bellard | { |
404 | 49918a75 | pbrook | const char *symbol = ""; |
405 | e80cfcfc | bellard | struct syminfo *s;
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406 | 3b46e624 | ths | |
407 | e80cfcfc | bellard | for (s = syminfos; s; s = s->next) {
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408 | 49918a75 | pbrook | symbol = s->lookup_symbol(s, orig_addr); |
409 | 49918a75 | pbrook | if (symbol[0] != '\0') { |
410 | 49918a75 | pbrook | break;
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411 | 49918a75 | pbrook | } |
412 | b9adb4a6 | bellard | } |
413 | 49918a75 | pbrook | |
414 | 49918a75 | pbrook | return symbol;
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415 | b9adb4a6 | bellard | } |
416 | 9307c4c1 | bellard | |
417 | 9307c4c1 | bellard | #if !defined(CONFIG_USER_ONLY)
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418 | 9307c4c1 | bellard | |
419 | 83c9089e | Paolo Bonzini | #include "monitor/monitor.h" |
420 | 3d2cfdf1 | bellard | |
421 | 9307c4c1 | bellard | static int monitor_disas_is_physical; |
422 | 9307c4c1 | bellard | |
423 | 9307c4c1 | bellard | static int |
424 | a5f1b965 | blueswir1 | monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
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425 | a5f1b965 | blueswir1 | struct disassemble_info *info)
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426 | 9307c4c1 | bellard | { |
427 | f4359b9f | Blue Swirl | CPUDebug *s = container_of(info, CPUDebug, info); |
428 | f4359b9f | Blue Swirl | |
429 | 9307c4c1 | bellard | if (monitor_disas_is_physical) {
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430 | 54f7b4a3 | Stefan Weil | cpu_physical_memory_read(memaddr, myaddr, length); |
431 | 9307c4c1 | bellard | } else {
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432 | f17ec444 | Andreas Färber | cpu_memory_rw_debug(ENV_GET_CPU(s->env), memaddr, myaddr, length, 0);
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433 | 9307c4c1 | bellard | } |
434 | 9307c4c1 | bellard | return 0; |
435 | 9307c4c1 | bellard | } |
436 | 9307c4c1 | bellard | |
437 | 8b7968f7 | Stefan Weil | static int GCC_FMT_ATTR(2, 3) |
438 | 8b7968f7 | Stefan Weil | monitor_fprintf(FILE *stream, const char *fmt, ...) |
439 | 3d2cfdf1 | bellard | { |
440 | 3d2cfdf1 | bellard | va_list ap; |
441 | 3d2cfdf1 | bellard | va_start(ap, fmt); |
442 | 376253ec | aliguori | monitor_vprintf((Monitor *)stream, fmt, ap); |
443 | 3d2cfdf1 | bellard | va_end(ap); |
444 | 3d2cfdf1 | bellard | return 0; |
445 | 3d2cfdf1 | bellard | } |
446 | 3d2cfdf1 | bellard | |
447 | 9349b4f9 | Andreas Färber | void monitor_disas(Monitor *mon, CPUArchState *env,
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448 | 6a00d601 | bellard | target_ulong pc, int nb_insn, int is_physical, int flags) |
449 | 9307c4c1 | bellard | { |
450 | 9307c4c1 | bellard | int count, i;
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451 | f4359b9f | Blue Swirl | CPUDebug s; |
452 | 9307c4c1 | bellard | int (*print_insn)(bfd_vma pc, disassemble_info *info);
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453 | 9307c4c1 | bellard | |
454 | f4359b9f | Blue Swirl | INIT_DISASSEMBLE_INFO(s.info, (FILE *)mon, monitor_fprintf); |
455 | 9307c4c1 | bellard | |
456 | f4359b9f | Blue Swirl | s.env = env; |
457 | 9307c4c1 | bellard | monitor_disas_is_physical = is_physical; |
458 | f4359b9f | Blue Swirl | s.info.read_memory_func = monitor_read_memory; |
459 | f4359b9f | Blue Swirl | s.info.print_address_func = generic_print_target_address; |
460 | 9307c4c1 | bellard | |
461 | f4359b9f | Blue Swirl | s.info.buffer_vma = pc; |
462 | 9307c4c1 | bellard | |
463 | 9307c4c1 | bellard | #ifdef TARGET_WORDS_BIGENDIAN
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464 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_BIG; |
465 | 9307c4c1 | bellard | #else
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466 | f4359b9f | Blue Swirl | s.info.endian = BFD_ENDIAN_LITTLE; |
467 | 9307c4c1 | bellard | #endif
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468 | 9307c4c1 | bellard | #if defined(TARGET_I386)
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469 | f4359b9f | Blue Swirl | if (flags == 2) { |
470 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_x86_64; |
471 | f4359b9f | Blue Swirl | } else if (flags == 1) { |
472 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_i386_i8086; |
473 | f4359b9f | Blue Swirl | } else {
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474 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_i386_i386; |
475 | f4359b9f | Blue Swirl | } |
476 | 9307c4c1 | bellard | print_insn = print_insn_i386; |
477 | 9307c4c1 | bellard | #elif defined(TARGET_ARM)
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478 | 9307c4c1 | bellard | print_insn = print_insn_arm; |
479 | cbd669da | ths | #elif defined(TARGET_ALPHA)
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480 | cbd669da | ths | print_insn = print_insn_alpha; |
481 | 9307c4c1 | bellard | #elif defined(TARGET_SPARC)
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482 | 9307c4c1 | bellard | print_insn = print_insn_sparc; |
483 | 682c4f15 | blueswir1 | #ifdef TARGET_SPARC64
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484 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_sparc_v9b; |
485 | 682c4f15 | blueswir1 | #endif
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486 | 9307c4c1 | bellard | #elif defined(TARGET_PPC)
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487 | a2458627 | bellard | #ifdef TARGET_PPC64
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488 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_ppc64; |
489 | a2458627 | bellard | #else
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490 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_ppc; |
491 | a2458627 | bellard | #endif
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492 | 9307c4c1 | bellard | print_insn = print_insn_ppc; |
493 | e6e5906b | pbrook | #elif defined(TARGET_M68K)
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494 | e6e5906b | pbrook | print_insn = print_insn_m68k; |
495 | 6af0bf9c | bellard | #elif defined(TARGET_MIPS)
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496 | 76b3030c | bellard | #ifdef TARGET_WORDS_BIGENDIAN
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497 | 6af0bf9c | bellard | print_insn = print_insn_big_mips; |
498 | 76b3030c | bellard | #else
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499 | 76b3030c | bellard | print_insn = print_insn_little_mips; |
500 | 76b3030c | bellard | #endif
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501 | b4e1f077 | Magnus Damm | #elif defined(TARGET_SH4)
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502 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_sh4; |
503 | b4e1f077 | Magnus Damm | print_insn = print_insn_sh; |
504 | db500609 | Ulrich Hecht | #elif defined(TARGET_S390X)
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505 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_s390_64; |
506 | db500609 | Ulrich Hecht | print_insn = print_insn_s390; |
507 | bd86a88e | Anthony Green | #elif defined(TARGET_MOXIE)
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508 | bd86a88e | Anthony Green | s.info.mach = bfd_arch_moxie; |
509 | bd86a88e | Anthony Green | print_insn = print_insn_moxie; |
510 | 79368f49 | Michael Walle | #elif defined(TARGET_LM32)
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511 | f4359b9f | Blue Swirl | s.info.mach = bfd_mach_lm32; |
512 | 79368f49 | Michael Walle | print_insn = print_insn_lm32; |
513 | 9307c4c1 | bellard | #else
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514 | 376253ec | aliguori | monitor_printf(mon, "0x" TARGET_FMT_lx
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515 | 376253ec | aliguori | ": Asm output not supported on this arch\n", pc);
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516 | 9307c4c1 | bellard | return;
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517 | 9307c4c1 | bellard | #endif
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518 | 9307c4c1 | bellard | |
519 | 9307c4c1 | bellard | for(i = 0; i < nb_insn; i++) { |
520 | 376253ec | aliguori | monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc); |
521 | f4359b9f | Blue Swirl | count = print_insn(pc, &s.info); |
522 | 376253ec | aliguori | monitor_printf(mon, "\n");
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523 | 9307c4c1 | bellard | if (count < 0) |
524 | 9307c4c1 | bellard | break;
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525 | 9307c4c1 | bellard | pc += count; |
526 | 9307c4c1 | bellard | } |
527 | 9307c4c1 | bellard | } |
528 | 9307c4c1 | bellard | #endif |