Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 1 | /* |
| 2 | * i386 memory mapping |
| 3 | * |
| 4 | * Copyright Fujitsu, Corp. 2011, 2012 |
| 5 | * |
| 6 | * Authors: |
| 7 | * Wen Congyang <wency@cn.fujitsu.com> |
| 8 | * |
Stefan Weil | fc0608a | 2012-06-10 19:49:18 +0000 | [diff] [blame] | 9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| 10 | * See the COPYING file in the top-level directory. |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 11 | * |
| 12 | */ |
| 13 | |
Peter Maydell | b6a0aa0 | 2016-01-26 18:17:03 +0000 | [diff] [blame] | 14 | #include "qemu/osdep.h" |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 15 | #include "cpu.h" |
Paolo Bonzini | 022c62c | 2012-12-17 18:19:49 +0100 | [diff] [blame] | 16 | #include "exec/cpu-all.h" |
Paolo Bonzini | 9c17d61 | 2012-12-17 18:20:04 +0100 | [diff] [blame] | 17 | #include "sysemu/dump.h" |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 18 | #include "elf.h" |
Laszlo Ersek | 56c4bfb | 2013-08-06 12:37:11 +0200 | [diff] [blame] | 19 | #include "sysemu/memory_mapping.h" |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 20 | |
| 21 | #ifdef TARGET_X86_64 |
| 22 | typedef struct { |
| 23 | target_ulong r15, r14, r13, r12, rbp, rbx, r11, r10; |
| 24 | target_ulong r9, r8, rax, rcx, rdx, rsi, rdi, orig_rax; |
| 25 | target_ulong rip, cs, eflags; |
| 26 | target_ulong rsp, ss; |
| 27 | target_ulong fs_base, gs_base; |
| 28 | target_ulong ds, es, fs, gs; |
| 29 | } x86_64_user_regs_struct; |
| 30 | |
| 31 | typedef struct { |
| 32 | char pad1[32]; |
| 33 | uint32_t pid; |
| 34 | char pad2[76]; |
| 35 | x86_64_user_regs_struct regs; |
| 36 | char pad3[8]; |
| 37 | } x86_64_elf_prstatus; |
| 38 | |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 39 | static int x86_64_write_elf64_note(WriteCoreDumpFunction f, |
Andreas Färber | 369ff01 | 2013-06-26 17:51:27 +0200 | [diff] [blame] | 40 | CPUX86State *env, int id, |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 41 | void *opaque) |
| 42 | { |
| 43 | x86_64_user_regs_struct regs; |
| 44 | Elf64_Nhdr *note; |
| 45 | char *buf; |
| 46 | int descsz, note_size, name_size = 5; |
| 47 | const char *name = "CORE"; |
| 48 | int ret; |
| 49 | |
| 50 | regs.r15 = env->regs[15]; |
| 51 | regs.r14 = env->regs[14]; |
| 52 | regs.r13 = env->regs[13]; |
| 53 | regs.r12 = env->regs[12]; |
| 54 | regs.r11 = env->regs[11]; |
| 55 | regs.r10 = env->regs[10]; |
| 56 | regs.r9 = env->regs[9]; |
| 57 | regs.r8 = env->regs[8]; |
| 58 | regs.rbp = env->regs[R_EBP]; |
| 59 | regs.rsp = env->regs[R_ESP]; |
| 60 | regs.rdi = env->regs[R_EDI]; |
| 61 | regs.rsi = env->regs[R_ESI]; |
| 62 | regs.rdx = env->regs[R_EDX]; |
| 63 | regs.rcx = env->regs[R_ECX]; |
| 64 | regs.rbx = env->regs[R_EBX]; |
| 65 | regs.rax = env->regs[R_EAX]; |
| 66 | regs.rip = env->eip; |
| 67 | regs.eflags = env->eflags; |
| 68 | |
| 69 | regs.orig_rax = 0; /* FIXME */ |
| 70 | regs.cs = env->segs[R_CS].selector; |
| 71 | regs.ss = env->segs[R_SS].selector; |
| 72 | regs.fs_base = env->segs[R_FS].base; |
| 73 | regs.gs_base = env->segs[R_GS].base; |
| 74 | regs.ds = env->segs[R_DS].selector; |
| 75 | regs.es = env->segs[R_ES].selector; |
| 76 | regs.fs = env->segs[R_FS].selector; |
| 77 | regs.gs = env->segs[R_GS].selector; |
| 78 | |
| 79 | descsz = sizeof(x86_64_elf_prstatus); |
| 80 | note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 + |
| 81 | (descsz + 3) / 4) * 4; |
Markus Armbruster | 4be34d1 | 2014-12-04 14:46:44 +0100 | [diff] [blame] | 82 | note = g_malloc0(note_size); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 83 | note->n_namesz = cpu_to_le32(name_size); |
| 84 | note->n_descsz = cpu_to_le32(descsz); |
| 85 | note->n_type = cpu_to_le32(NT_PRSTATUS); |
| 86 | buf = (char *)note; |
| 87 | buf += ((sizeof(Elf64_Nhdr) + 3) / 4) * 4; |
| 88 | memcpy(buf, name, name_size); |
| 89 | buf += ((name_size + 3) / 4) * 4; |
| 90 | memcpy(buf + 32, &id, 4); /* pr_pid */ |
| 91 | buf += descsz - sizeof(x86_64_user_regs_struct)-sizeof(target_ulong); |
| 92 | memcpy(buf, ®s, sizeof(x86_64_user_regs_struct)); |
| 93 | |
| 94 | ret = f(note, note_size, opaque); |
| 95 | g_free(note); |
| 96 | if (ret < 0) { |
| 97 | return -1; |
| 98 | } |
| 99 | |
| 100 | return 0; |
| 101 | } |
| 102 | #endif |
| 103 | |
| 104 | typedef struct { |
| 105 | uint32_t ebx, ecx, edx, esi, edi, ebp, eax; |
| 106 | unsigned short ds, __ds, es, __es; |
| 107 | unsigned short fs, __fs, gs, __gs; |
| 108 | uint32_t orig_eax, eip; |
| 109 | unsigned short cs, __cs; |
| 110 | uint32_t eflags, esp; |
| 111 | unsigned short ss, __ss; |
| 112 | } x86_user_regs_struct; |
| 113 | |
| 114 | typedef struct { |
| 115 | char pad1[24]; |
| 116 | uint32_t pid; |
| 117 | char pad2[44]; |
| 118 | x86_user_regs_struct regs; |
| 119 | char pad3[4]; |
| 120 | } x86_elf_prstatus; |
| 121 | |
Andreas Färber | 369ff01 | 2013-06-26 17:51:27 +0200 | [diff] [blame] | 122 | static void x86_fill_elf_prstatus(x86_elf_prstatus *prstatus, CPUX86State *env, |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 123 | int id) |
| 124 | { |
| 125 | memset(prstatus, 0, sizeof(x86_elf_prstatus)); |
| 126 | prstatus->regs.ebp = env->regs[R_EBP] & 0xffffffff; |
| 127 | prstatus->regs.esp = env->regs[R_ESP] & 0xffffffff; |
| 128 | prstatus->regs.edi = env->regs[R_EDI] & 0xffffffff; |
| 129 | prstatus->regs.esi = env->regs[R_ESI] & 0xffffffff; |
| 130 | prstatus->regs.edx = env->regs[R_EDX] & 0xffffffff; |
| 131 | prstatus->regs.ecx = env->regs[R_ECX] & 0xffffffff; |
| 132 | prstatus->regs.ebx = env->regs[R_EBX] & 0xffffffff; |
| 133 | prstatus->regs.eax = env->regs[R_EAX] & 0xffffffff; |
| 134 | prstatus->regs.eip = env->eip & 0xffffffff; |
| 135 | prstatus->regs.eflags = env->eflags & 0xffffffff; |
| 136 | |
| 137 | prstatus->regs.cs = env->segs[R_CS].selector; |
| 138 | prstatus->regs.ss = env->segs[R_SS].selector; |
| 139 | prstatus->regs.ds = env->segs[R_DS].selector; |
| 140 | prstatus->regs.es = env->segs[R_ES].selector; |
| 141 | prstatus->regs.fs = env->segs[R_FS].selector; |
| 142 | prstatus->regs.gs = env->segs[R_GS].selector; |
| 143 | |
| 144 | prstatus->pid = id; |
| 145 | } |
| 146 | |
Andreas Färber | 369ff01 | 2013-06-26 17:51:27 +0200 | [diff] [blame] | 147 | static int x86_write_elf64_note(WriteCoreDumpFunction f, CPUX86State *env, |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 148 | int id, void *opaque) |
| 149 | { |
| 150 | x86_elf_prstatus prstatus; |
| 151 | Elf64_Nhdr *note; |
| 152 | char *buf; |
| 153 | int descsz, note_size, name_size = 5; |
| 154 | const char *name = "CORE"; |
| 155 | int ret; |
| 156 | |
| 157 | x86_fill_elf_prstatus(&prstatus, env, id); |
| 158 | descsz = sizeof(x86_elf_prstatus); |
| 159 | note_size = ((sizeof(Elf64_Nhdr) + 3) / 4 + (name_size + 3) / 4 + |
| 160 | (descsz + 3) / 4) * 4; |
Markus Armbruster | 4be34d1 | 2014-12-04 14:46:44 +0100 | [diff] [blame] | 161 | note = g_malloc0(note_size); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 162 | note->n_namesz = cpu_to_le32(name_size); |
| 163 | note->n_descsz = cpu_to_le32(descsz); |
| 164 | note->n_type = cpu_to_le32(NT_PRSTATUS); |
| 165 | buf = (char *)note; |
| 166 | buf += ((sizeof(Elf64_Nhdr) + 3) / 4) * 4; |
| 167 | memcpy(buf, name, name_size); |
| 168 | buf += ((name_size + 3) / 4) * 4; |
| 169 | memcpy(buf, &prstatus, sizeof(prstatus)); |
| 170 | |
| 171 | ret = f(note, note_size, opaque); |
| 172 | g_free(note); |
| 173 | if (ret < 0) { |
| 174 | return -1; |
| 175 | } |
| 176 | |
| 177 | return 0; |
| 178 | } |
| 179 | |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 180 | int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, |
| 181 | int cpuid, void *opaque) |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 182 | { |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 183 | X86CPU *cpu = X86_CPU(cs); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 184 | int ret; |
| 185 | #ifdef TARGET_X86_64 |
Andreas Färber | 182735e | 2013-05-29 22:29:20 +0200 | [diff] [blame] | 186 | X86CPU *first_x86_cpu = X86_CPU(first_cpu); |
| 187 | bool lma = !!(first_x86_cpu->env.hflags & HF_LMA_MASK); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 188 | |
| 189 | if (lma) { |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 190 | ret = x86_64_write_elf64_note(f, &cpu->env, cpuid, opaque); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 191 | } else { |
| 192 | #endif |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 193 | ret = x86_write_elf64_note(f, &cpu->env, cpuid, opaque); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 194 | #ifdef TARGET_X86_64 |
| 195 | } |
| 196 | #endif |
| 197 | |
| 198 | return ret; |
| 199 | } |
| 200 | |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 201 | int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs, |
| 202 | int cpuid, void *opaque) |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 203 | { |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 204 | X86CPU *cpu = X86_CPU(cs); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 205 | x86_elf_prstatus prstatus; |
| 206 | Elf32_Nhdr *note; |
| 207 | char *buf; |
| 208 | int descsz, note_size, name_size = 5; |
| 209 | const char *name = "CORE"; |
| 210 | int ret; |
| 211 | |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 212 | x86_fill_elf_prstatus(&prstatus, &cpu->env, cpuid); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 213 | descsz = sizeof(x86_elf_prstatus); |
| 214 | note_size = ((sizeof(Elf32_Nhdr) + 3) / 4 + (name_size + 3) / 4 + |
| 215 | (descsz + 3) / 4) * 4; |
Markus Armbruster | 4be34d1 | 2014-12-04 14:46:44 +0100 | [diff] [blame] | 216 | note = g_malloc0(note_size); |
Wen Congyang | 9fecbed | 2012-05-07 12:07:48 +0800 | [diff] [blame] | 217 | note->n_namesz = cpu_to_le32(name_size); |
| 218 | note->n_descsz = cpu_to_le32(descsz); |
| 219 | note->n_type = cpu_to_le32(NT_PRSTATUS); |
| 220 | buf = (char *)note; |
| 221 | buf += ((sizeof(Elf32_Nhdr) + 3) / 4) * 4; |
| 222 | memcpy(buf, name, name_size); |
| 223 | buf += ((name_size + 3) / 4) * 4; |
| 224 | memcpy(buf, &prstatus, sizeof(prstatus)); |
| 225 | |
| 226 | ret = f(note, note_size, opaque); |
| 227 | g_free(note); |
| 228 | if (ret < 0) { |
| 229 | return -1; |
| 230 | } |
| 231 | |
| 232 | return 0; |
| 233 | } |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 234 | |
| 235 | /* |
| 236 | * please count up QEMUCPUSTATE_VERSION if you have changed definition of |
| 237 | * QEMUCPUState, and modify the tools using this information accordingly. |
| 238 | */ |
| 239 | #define QEMUCPUSTATE_VERSION (1) |
| 240 | |
| 241 | struct QEMUCPUSegment { |
| 242 | uint32_t selector; |
| 243 | uint32_t limit; |
| 244 | uint32_t flags; |
| 245 | uint32_t pad; |
| 246 | uint64_t base; |
| 247 | }; |
| 248 | |
| 249 | typedef struct QEMUCPUSegment QEMUCPUSegment; |
| 250 | |
| 251 | struct QEMUCPUState { |
| 252 | uint32_t version; |
| 253 | uint32_t size; |
| 254 | uint64_t rax, rbx, rcx, rdx, rsi, rdi, rsp, rbp; |
| 255 | uint64_t r8, r9, r10, r11, r12, r13, r14, r15; |
| 256 | uint64_t rip, rflags; |
| 257 | QEMUCPUSegment cs, ds, es, fs, gs, ss; |
| 258 | QEMUCPUSegment ldt, tr, gdt, idt; |
| 259 | uint64_t cr[5]; |
| 260 | }; |
| 261 | |
| 262 | typedef struct QEMUCPUState QEMUCPUState; |
| 263 | |
| 264 | static void copy_segment(QEMUCPUSegment *d, SegmentCache *s) |
| 265 | { |
| 266 | d->pad = 0; |
| 267 | d->selector = s->selector; |
| 268 | d->limit = s->limit; |
| 269 | d->flags = s->flags; |
| 270 | d->base = s->base; |
| 271 | } |
| 272 | |
Andreas Färber | 369ff01 | 2013-06-26 17:51:27 +0200 | [diff] [blame] | 273 | static void qemu_get_cpustate(QEMUCPUState *s, CPUX86State *env) |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 274 | { |
| 275 | memset(s, 0, sizeof(QEMUCPUState)); |
| 276 | |
| 277 | s->version = QEMUCPUSTATE_VERSION; |
| 278 | s->size = sizeof(QEMUCPUState); |
| 279 | |
| 280 | s->rax = env->regs[R_EAX]; |
| 281 | s->rbx = env->regs[R_EBX]; |
| 282 | s->rcx = env->regs[R_ECX]; |
| 283 | s->rdx = env->regs[R_EDX]; |
| 284 | s->rsi = env->regs[R_ESI]; |
| 285 | s->rdi = env->regs[R_EDI]; |
| 286 | s->rsp = env->regs[R_ESP]; |
| 287 | s->rbp = env->regs[R_EBP]; |
| 288 | #ifdef TARGET_X86_64 |
| 289 | s->r8 = env->regs[8]; |
| 290 | s->r9 = env->regs[9]; |
| 291 | s->r10 = env->regs[10]; |
| 292 | s->r11 = env->regs[11]; |
| 293 | s->r12 = env->regs[12]; |
| 294 | s->r13 = env->regs[13]; |
| 295 | s->r14 = env->regs[14]; |
| 296 | s->r15 = env->regs[15]; |
| 297 | #endif |
| 298 | s->rip = env->eip; |
| 299 | s->rflags = env->eflags; |
| 300 | |
| 301 | copy_segment(&s->cs, &env->segs[R_CS]); |
| 302 | copy_segment(&s->ds, &env->segs[R_DS]); |
| 303 | copy_segment(&s->es, &env->segs[R_ES]); |
| 304 | copy_segment(&s->fs, &env->segs[R_FS]); |
| 305 | copy_segment(&s->gs, &env->segs[R_GS]); |
| 306 | copy_segment(&s->ss, &env->segs[R_SS]); |
| 307 | copy_segment(&s->ldt, &env->ldt); |
| 308 | copy_segment(&s->tr, &env->tr); |
| 309 | copy_segment(&s->gdt, &env->gdt); |
| 310 | copy_segment(&s->idt, &env->idt); |
| 311 | |
| 312 | s->cr[0] = env->cr[0]; |
| 313 | s->cr[1] = env->cr[1]; |
| 314 | s->cr[2] = env->cr[2]; |
| 315 | s->cr[3] = env->cr[3]; |
| 316 | s->cr[4] = env->cr[4]; |
| 317 | } |
| 318 | |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 319 | static inline int cpu_write_qemu_note(WriteCoreDumpFunction f, |
Andreas Färber | 369ff01 | 2013-06-26 17:51:27 +0200 | [diff] [blame] | 320 | CPUX86State *env, |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 321 | void *opaque, |
| 322 | int type) |
| 323 | { |
| 324 | QEMUCPUState state; |
| 325 | Elf64_Nhdr *note64; |
| 326 | Elf32_Nhdr *note32; |
| 327 | void *note; |
| 328 | char *buf; |
| 329 | int descsz, note_size, name_size = 5, note_head_size; |
| 330 | const char *name = "QEMU"; |
| 331 | int ret; |
| 332 | |
| 333 | qemu_get_cpustate(&state, env); |
| 334 | |
| 335 | descsz = sizeof(state); |
| 336 | if (type == 0) { |
| 337 | note_head_size = sizeof(Elf32_Nhdr); |
| 338 | } else { |
| 339 | note_head_size = sizeof(Elf64_Nhdr); |
| 340 | } |
| 341 | note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 + |
| 342 | (descsz + 3) / 4) * 4; |
Markus Armbruster | 4be34d1 | 2014-12-04 14:46:44 +0100 | [diff] [blame] | 343 | note = g_malloc0(note_size); |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 344 | if (type == 0) { |
| 345 | note32 = note; |
| 346 | note32->n_namesz = cpu_to_le32(name_size); |
| 347 | note32->n_descsz = cpu_to_le32(descsz); |
| 348 | note32->n_type = 0; |
| 349 | } else { |
| 350 | note64 = note; |
| 351 | note64->n_namesz = cpu_to_le32(name_size); |
| 352 | note64->n_descsz = cpu_to_le32(descsz); |
| 353 | note64->n_type = 0; |
| 354 | } |
| 355 | buf = note; |
| 356 | buf += ((note_head_size + 3) / 4) * 4; |
| 357 | memcpy(buf, name, name_size); |
| 358 | buf += ((name_size + 3) / 4) * 4; |
| 359 | memcpy(buf, &state, sizeof(state)); |
| 360 | |
| 361 | ret = f(note, note_size, opaque); |
| 362 | g_free(note); |
| 363 | if (ret < 0) { |
| 364 | return -1; |
| 365 | } |
| 366 | |
| 367 | return 0; |
| 368 | } |
| 369 | |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 370 | int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cs, |
| 371 | void *opaque) |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 372 | { |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 373 | X86CPU *cpu = X86_CPU(cs); |
| 374 | |
| 375 | return cpu_write_qemu_note(f, &cpu->env, opaque, 1); |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 376 | } |
| 377 | |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 378 | int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cs, |
| 379 | void *opaque) |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 380 | { |
Jens Freimann | c72bf46 | 2013-04-19 16:45:06 +0200 | [diff] [blame] | 381 | X86CPU *cpu = X86_CPU(cs); |
| 382 | |
| 383 | return cpu_write_qemu_note(f, &cpu->env, opaque, 0); |
Wen Congyang | 90166b7 | 2012-05-07 12:08:22 +0800 | [diff] [blame] | 384 | } |
Wen Congyang | 25ae9c1 | 2012-05-07 12:08:56 +0800 | [diff] [blame] | 385 | |
Laszlo Ersek | 56c4bfb | 2013-08-06 12:37:11 +0200 | [diff] [blame] | 386 | int cpu_get_dump_info(ArchDumpInfo *info, |
| 387 | const GuestPhysBlockList *guest_phys_blocks) |
Wen Congyang | 25ae9c1 | 2012-05-07 12:08:56 +0800 | [diff] [blame] | 388 | { |
| 389 | bool lma = false; |
Laszlo Ersek | 56c4bfb | 2013-08-06 12:37:11 +0200 | [diff] [blame] | 390 | GuestPhysBlock *block; |
Wen Congyang | 25ae9c1 | 2012-05-07 12:08:56 +0800 | [diff] [blame] | 391 | |
| 392 | #ifdef TARGET_X86_64 |
Andreas Färber | 182735e | 2013-05-29 22:29:20 +0200 | [diff] [blame] | 393 | X86CPU *first_x86_cpu = X86_CPU(first_cpu); |
| 394 | |
| 395 | lma = !!(first_x86_cpu->env.hflags & HF_LMA_MASK); |
Wen Congyang | 25ae9c1 | 2012-05-07 12:08:56 +0800 | [diff] [blame] | 396 | #endif |
| 397 | |
| 398 | if (lma) { |
| 399 | info->d_machine = EM_X86_64; |
| 400 | } else { |
| 401 | info->d_machine = EM_386; |
| 402 | } |
| 403 | info->d_endian = ELFDATA2LSB; |
| 404 | |
| 405 | if (lma) { |
| 406 | info->d_class = ELFCLASS64; |
| 407 | } else { |
| 408 | info->d_class = ELFCLASS32; |
| 409 | |
Laszlo Ersek | 56c4bfb | 2013-08-06 12:37:11 +0200 | [diff] [blame] | 410 | QTAILQ_FOREACH(block, &guest_phys_blocks->head, next) { |
| 411 | if (block->target_end > UINT_MAX) { |
Wen Congyang | 25ae9c1 | 2012-05-07 12:08:56 +0800 | [diff] [blame] | 412 | /* The memory size is greater than 4G */ |
| 413 | info->d_class = ELFCLASS64; |
| 414 | break; |
| 415 | } |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | return 0; |
| 420 | } |
Wen Congyang | 0038ffb | 2012-05-07 12:09:36 +0800 | [diff] [blame] | 421 | |
Paolo Bonzini | 4720bd0 | 2012-06-07 08:48:09 +0200 | [diff] [blame] | 422 | ssize_t cpu_get_note_size(int class, int machine, int nr_cpus) |
Wen Congyang | 0038ffb | 2012-05-07 12:09:36 +0800 | [diff] [blame] | 423 | { |
| 424 | int name_size = 5; /* "CORE" or "QEMU" */ |
| 425 | size_t elf_note_size = 0; |
| 426 | size_t qemu_note_size = 0; |
| 427 | int elf_desc_size = 0; |
| 428 | int qemu_desc_size = 0; |
| 429 | int note_head_size; |
| 430 | |
| 431 | if (class == ELFCLASS32) { |
| 432 | note_head_size = sizeof(Elf32_Nhdr); |
| 433 | } else { |
| 434 | note_head_size = sizeof(Elf64_Nhdr); |
| 435 | } |
| 436 | |
| 437 | if (machine == EM_386) { |
| 438 | elf_desc_size = sizeof(x86_elf_prstatus); |
| 439 | } |
| 440 | #ifdef TARGET_X86_64 |
| 441 | else { |
| 442 | elf_desc_size = sizeof(x86_64_elf_prstatus); |
| 443 | } |
| 444 | #endif |
| 445 | qemu_desc_size = sizeof(QEMUCPUState); |
| 446 | |
| 447 | elf_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 + |
| 448 | (elf_desc_size + 3) / 4) * 4; |
| 449 | qemu_note_size = ((note_head_size + 3) / 4 + (name_size + 3) / 4 + |
| 450 | (qemu_desc_size + 3) / 4) * 4; |
| 451 | |
| 452 | return (elf_note_size + qemu_note_size) * nr_cpus; |
| 453 | } |