| /* |
| * i386 CPU dump to FILE |
| * |
| * Copyright (c) 2003 Fabrice Bellard |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "cpu.h" |
| #include "qemu/qemu-print.h" |
| #ifndef CONFIG_USER_ONLY |
| #include "hw/i386/apic_internal.h" |
| #endif |
| |
| /***********************************************************/ |
| /* x86 debug */ |
| |
| static const char *cc_op_str[CC_OP_NB] = { |
| "DYNAMIC", |
| "EFLAGS", |
| |
| "MULB", |
| "MULW", |
| "MULL", |
| "MULQ", |
| |
| "ADDB", |
| "ADDW", |
| "ADDL", |
| "ADDQ", |
| |
| "ADCB", |
| "ADCW", |
| "ADCL", |
| "ADCQ", |
| |
| "SUBB", |
| "SUBW", |
| "SUBL", |
| "SUBQ", |
| |
| "SBBB", |
| "SBBW", |
| "SBBL", |
| "SBBQ", |
| |
| "LOGICB", |
| "LOGICW", |
| "LOGICL", |
| "LOGICQ", |
| |
| "INCB", |
| "INCW", |
| "INCL", |
| "INCQ", |
| |
| "DECB", |
| "DECW", |
| "DECL", |
| "DECQ", |
| |
| "SHLB", |
| "SHLW", |
| "SHLL", |
| "SHLQ", |
| |
| "SARB", |
| "SARW", |
| "SARL", |
| "SARQ", |
| |
| "BMILGB", |
| "BMILGW", |
| "BMILGL", |
| "BMILGQ", |
| |
| "ADCX", |
| "ADOX", |
| "ADCOX", |
| |
| "CLR", |
| }; |
| |
| static void |
| cpu_x86_dump_seg_cache(CPUX86State *env, FILE *f, |
| const char *name, struct SegmentCache *sc) |
| { |
| #ifdef TARGET_X86_64 |
| if (env->hflags & HF_CS64_MASK) { |
| qemu_fprintf(f, "%-3s=%04x %016" PRIx64 " %08x %08x", name, |
| sc->selector, sc->base, sc->limit, |
| sc->flags & 0x00ffff00); |
| } else |
| #endif |
| { |
| qemu_fprintf(f, "%-3s=%04x %08x %08x %08x", name, sc->selector, |
| (uint32_t)sc->base, sc->limit, |
| sc->flags & 0x00ffff00); |
| } |
| |
| if (!(env->hflags & HF_PE_MASK) || !(sc->flags & DESC_P_MASK)) |
| goto done; |
| |
| qemu_fprintf(f, " DPL=%d ", |
| (sc->flags & DESC_DPL_MASK) >> DESC_DPL_SHIFT); |
| if (sc->flags & DESC_S_MASK) { |
| if (sc->flags & DESC_CS_MASK) { |
| qemu_fprintf(f, (sc->flags & DESC_L_MASK) ? "CS64" : |
| ((sc->flags & DESC_B_MASK) ? "CS32" : "CS16")); |
| qemu_fprintf(f, " [%c%c", (sc->flags & DESC_C_MASK) ? 'C' : '-', |
| (sc->flags & DESC_R_MASK) ? 'R' : '-'); |
| } else { |
| qemu_fprintf(f, (sc->flags & DESC_B_MASK |
| || env->hflags & HF_LMA_MASK) |
| ? "DS " : "DS16"); |
| qemu_fprintf(f, " [%c%c", (sc->flags & DESC_E_MASK) ? 'E' : '-', |
| (sc->flags & DESC_W_MASK) ? 'W' : '-'); |
| } |
| qemu_fprintf(f, "%c]", (sc->flags & DESC_A_MASK) ? 'A' : '-'); |
| } else { |
| static const char *sys_type_name[2][16] = { |
| { /* 32 bit mode */ |
| "Reserved", "TSS16-avl", "LDT", "TSS16-busy", |
| "CallGate16", "TaskGate", "IntGate16", "TrapGate16", |
| "Reserved", "TSS32-avl", "Reserved", "TSS32-busy", |
| "CallGate32", "Reserved", "IntGate32", "TrapGate32" |
| }, |
| { /* 64 bit mode */ |
| "<hiword>", "Reserved", "LDT", "Reserved", "Reserved", |
| "Reserved", "Reserved", "Reserved", "Reserved", |
| "TSS64-avl", "Reserved", "TSS64-busy", "CallGate64", |
| "Reserved", "IntGate64", "TrapGate64" |
| } |
| }; |
| qemu_fprintf(f, "%s", |
| sys_type_name[(env->hflags & HF_LMA_MASK) ? 1 : 0] |
| [(sc->flags & DESC_TYPE_MASK) >> DESC_TYPE_SHIFT]); |
| } |
| done: |
| qemu_fprintf(f, "\n"); |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| |
| /* ARRAY_SIZE check is not required because |
| * DeliveryMode(dm) has a size of 3 bit. |
| */ |
| static inline const char *dm2str(uint32_t dm) |
| { |
| static const char *str[] = { |
| "Fixed", |
| "...", |
| "SMI", |
| "...", |
| "NMI", |
| "INIT", |
| "...", |
| "ExtINT" |
| }; |
| return str[dm]; |
| } |
| |
| static void dump_apic_lvt(const char *name, uint32_t lvt, bool is_timer) |
| { |
| uint32_t dm = (lvt & APIC_LVT_DELIV_MOD) >> APIC_LVT_DELIV_MOD_SHIFT; |
| qemu_printf("%s\t 0x%08x %s %-5s %-6s %-7s %-12s %-6s", |
| name, lvt, |
| lvt & APIC_LVT_INT_POLARITY ? "active-lo" : "active-hi", |
| lvt & APIC_LVT_LEVEL_TRIGGER ? "level" : "edge", |
| lvt & APIC_LVT_MASKED ? "masked" : "", |
| lvt & APIC_LVT_DELIV_STS ? "pending" : "", |
| !is_timer ? |
| "" : lvt & APIC_LVT_TIMER_PERIODIC ? |
| "periodic" : lvt & APIC_LVT_TIMER_TSCDEADLINE ? |
| "tsc-deadline" : "one-shot", |
| dm2str(dm)); |
| if (dm != APIC_DM_NMI) { |
| qemu_printf(" (vec %u)\n", lvt & APIC_VECTOR_MASK); |
| } else { |
| qemu_printf("\n"); |
| } |
| } |
| |
| /* ARRAY_SIZE check is not required because |
| * destination shorthand has a size of 2 bit. |
| */ |
| static inline const char *shorthand2str(uint32_t shorthand) |
| { |
| const char *str[] = { |
| "no-shorthand", "self", "all-self", "all" |
| }; |
| return str[shorthand]; |
| } |
| |
| static inline uint8_t divider_conf(uint32_t divide_conf) |
| { |
| uint8_t divide_val = ((divide_conf & 0x8) >> 1) | (divide_conf & 0x3); |
| |
| return divide_val == 7 ? 1 : 2 << divide_val; |
| } |
| |
| static inline void mask2str(char *str, uint32_t val, uint8_t size) |
| { |
| while (size--) { |
| *str++ = (val >> size) & 1 ? '1' : '0'; |
| } |
| *str = 0; |
| } |
| |
| #define MAX_LOGICAL_APIC_ID_MASK_SIZE 16 |
| |
| static void dump_apic_icr(APICCommonState *s, CPUX86State *env) |
| { |
| uint32_t icr = s->icr[0], icr2 = s->icr[1]; |
| uint8_t dest_shorthand = \ |
| (icr & APIC_ICR_DEST_SHORT) >> APIC_ICR_DEST_SHORT_SHIFT; |
| bool logical_mod = icr & APIC_ICR_DEST_MOD; |
| char apic_id_str[MAX_LOGICAL_APIC_ID_MASK_SIZE + 1]; |
| uint32_t dest_field; |
| bool x2apic; |
| |
| qemu_printf("ICR\t 0x%08x %s %s %s %s\n", |
| icr, |
| logical_mod ? "logical" : "physical", |
| icr & APIC_ICR_TRIGGER_MOD ? "level" : "edge", |
| icr & APIC_ICR_LEVEL ? "assert" : "de-assert", |
| shorthand2str(dest_shorthand)); |
| |
| qemu_printf("ICR2\t 0x%08x", icr2); |
| if (dest_shorthand != 0) { |
| qemu_printf("\n"); |
| return; |
| } |
| x2apic = env->features[FEAT_1_ECX] & CPUID_EXT_X2APIC; |
| dest_field = x2apic ? icr2 : icr2 >> APIC_ICR_DEST_SHIFT; |
| |
| if (!logical_mod) { |
| if (x2apic) { |
| qemu_printf(" cpu %u (X2APIC ID)\n", dest_field); |
| } else { |
| qemu_printf(" cpu %u (APIC ID)\n", |
| dest_field & APIC_LOGDEST_XAPIC_ID); |
| } |
| return; |
| } |
| |
| if (s->dest_mode == 0xf) { /* flat mode */ |
| mask2str(apic_id_str, icr2 >> APIC_ICR_DEST_SHIFT, 8); |
| qemu_printf(" mask %s (APIC ID)\n", apic_id_str); |
| } else if (s->dest_mode == 0) { /* cluster mode */ |
| if (x2apic) { |
| mask2str(apic_id_str, dest_field & APIC_LOGDEST_X2APIC_ID, 16); |
| qemu_printf(" cluster %u mask %s (X2APIC ID)\n", |
| dest_field >> APIC_LOGDEST_X2APIC_SHIFT, apic_id_str); |
| } else { |
| mask2str(apic_id_str, dest_field & APIC_LOGDEST_XAPIC_ID, 4); |
| qemu_printf(" cluster %u mask %s (APIC ID)\n", |
| dest_field >> APIC_LOGDEST_XAPIC_SHIFT, apic_id_str); |
| } |
| } |
| } |
| |
| static void dump_apic_interrupt(const char *name, uint32_t *ireg_tab, |
| uint32_t *tmr_tab) |
| { |
| int i, empty = true; |
| |
| qemu_printf("%s\t ", name); |
| for (i = 0; i < 256; i++) { |
| if (apic_get_bit(ireg_tab, i)) { |
| qemu_printf("%u%s ", i, |
| apic_get_bit(tmr_tab, i) ? "(level)" : ""); |
| empty = false; |
| } |
| } |
| qemu_printf("%s\n", empty ? "(none)" : ""); |
| } |
| |
| void x86_cpu_dump_local_apic_state(CPUState *cs, int flags) |
| { |
| X86CPU *cpu = X86_CPU(cs); |
| APICCommonState *s = APIC_COMMON(cpu->apic_state); |
| if (!s) { |
| qemu_printf("local apic state not available\n"); |
| return; |
| } |
| uint32_t *lvt = s->lvt; |
| |
| qemu_printf("dumping local APIC state for CPU %-2u\n\n", |
| CPU(cpu)->cpu_index); |
| dump_apic_lvt("LVT0", lvt[APIC_LVT_LINT0], false); |
| dump_apic_lvt("LVT1", lvt[APIC_LVT_LINT1], false); |
| dump_apic_lvt("LVTPC", lvt[APIC_LVT_PERFORM], false); |
| dump_apic_lvt("LVTERR", lvt[APIC_LVT_ERROR], false); |
| dump_apic_lvt("LVTTHMR", lvt[APIC_LVT_THERMAL], false); |
| dump_apic_lvt("LVTT", lvt[APIC_LVT_TIMER], true); |
| |
| qemu_printf("Timer\t DCR=0x%x (divide by %u) initial_count = %u" |
| " current_count = %u\n", |
| s->divide_conf & APIC_DCR_MASK, |
| divider_conf(s->divide_conf), |
| s->initial_count, apic_get_current_count(s)); |
| |
| qemu_printf("SPIV\t 0x%08x APIC %s, focus=%s, spurious vec %u\n", |
| s->spurious_vec, |
| s->spurious_vec & APIC_SPURIO_ENABLED ? "enabled" : "disabled", |
| s->spurious_vec & APIC_SPURIO_FOCUS ? "on" : "off", |
| s->spurious_vec & APIC_VECTOR_MASK); |
| |
| dump_apic_icr(s, &cpu->env); |
| |
| qemu_printf("ESR\t 0x%08x\n", s->esr); |
| |
| dump_apic_interrupt("ISR", s->isr, s->tmr); |
| dump_apic_interrupt("IRR", s->irr, s->tmr); |
| |
| qemu_printf("\nAPR 0x%02x TPR 0x%02x DFR 0x%02x LDR 0x%02x", |
| s->arb_id, s->tpr, s->dest_mode, s->log_dest); |
| if (s->dest_mode == 0) { |
| qemu_printf("(cluster %u: id %u)", |
| s->log_dest >> APIC_LOGDEST_XAPIC_SHIFT, |
| s->log_dest & APIC_LOGDEST_XAPIC_ID); |
| } |
| qemu_printf(" PPR 0x%02x\n", apic_get_ppr(s)); |
| } |
| #else |
| void x86_cpu_dump_local_apic_state(CPUState *cs, int flags) |
| { |
| } |
| #endif /* !CONFIG_USER_ONLY */ |
| |
| #define DUMP_CODE_BYTES_TOTAL 50 |
| #define DUMP_CODE_BYTES_BACKWARD 20 |
| |
| void x86_cpu_dump_state(CPUState *cs, FILE *f, int flags) |
| { |
| X86CPU *cpu = X86_CPU(cs); |
| CPUX86State *env = &cpu->env; |
| int eflags, i, nb; |
| char cc_op_name[32]; |
| static const char *seg_name[6] = { "ES", "CS", "SS", "DS", "FS", "GS" }; |
| |
| eflags = cpu_compute_eflags(env); |
| #ifdef TARGET_X86_64 |
| if (env->hflags & HF_CS64_MASK) { |
| qemu_fprintf(f, "RAX=%016" PRIx64 " RBX=%016" PRIx64 " RCX=%016" PRIx64 " RDX=%016" PRIx64 "\n" |
| "RSI=%016" PRIx64 " RDI=%016" PRIx64 " RBP=%016" PRIx64 " RSP=%016" PRIx64 "\n" |
| "R8 =%016" PRIx64 " R9 =%016" PRIx64 " R10=%016" PRIx64 " R11=%016" PRIx64 "\n" |
| "R12=%016" PRIx64 " R13=%016" PRIx64 " R14=%016" PRIx64 " R15=%016" PRIx64 "\n" |
| "RIP=%016" PRIx64 " RFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n", |
| env->regs[R_EAX], |
| env->regs[R_EBX], |
| env->regs[R_ECX], |
| env->regs[R_EDX], |
| env->regs[R_ESI], |
| env->regs[R_EDI], |
| env->regs[R_EBP], |
| env->regs[R_ESP], |
| env->regs[8], |
| env->regs[9], |
| env->regs[10], |
| env->regs[11], |
| env->regs[12], |
| env->regs[13], |
| env->regs[14], |
| env->regs[15], |
| env->eip, eflags, |
| eflags & DF_MASK ? 'D' : '-', |
| eflags & CC_O ? 'O' : '-', |
| eflags & CC_S ? 'S' : '-', |
| eflags & CC_Z ? 'Z' : '-', |
| eflags & CC_A ? 'A' : '-', |
| eflags & CC_P ? 'P' : '-', |
| eflags & CC_C ? 'C' : '-', |
| env->hflags & HF_CPL_MASK, |
| (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1, |
| (env->a20_mask >> 20) & 1, |
| (env->hflags >> HF_SMM_SHIFT) & 1, |
| cs->halted); |
| } else |
| #endif |
| { |
| qemu_fprintf(f, "EAX=%08x EBX=%08x ECX=%08x EDX=%08x\n" |
| "ESI=%08x EDI=%08x EBP=%08x ESP=%08x\n" |
| "EIP=%08x EFL=%08x [%c%c%c%c%c%c%c] CPL=%d II=%d A20=%d SMM=%d HLT=%d\n", |
| (uint32_t)env->regs[R_EAX], |
| (uint32_t)env->regs[R_EBX], |
| (uint32_t)env->regs[R_ECX], |
| (uint32_t)env->regs[R_EDX], |
| (uint32_t)env->regs[R_ESI], |
| (uint32_t)env->regs[R_EDI], |
| (uint32_t)env->regs[R_EBP], |
| (uint32_t)env->regs[R_ESP], |
| (uint32_t)env->eip, eflags, |
| eflags & DF_MASK ? 'D' : '-', |
| eflags & CC_O ? 'O' : '-', |
| eflags & CC_S ? 'S' : '-', |
| eflags & CC_Z ? 'Z' : '-', |
| eflags & CC_A ? 'A' : '-', |
| eflags & CC_P ? 'P' : '-', |
| eflags & CC_C ? 'C' : '-', |
| env->hflags & HF_CPL_MASK, |
| (env->hflags >> HF_INHIBIT_IRQ_SHIFT) & 1, |
| (env->a20_mask >> 20) & 1, |
| (env->hflags >> HF_SMM_SHIFT) & 1, |
| cs->halted); |
| } |
| |
| for(i = 0; i < 6; i++) { |
| cpu_x86_dump_seg_cache(env, f, seg_name[i], &env->segs[i]); |
| } |
| cpu_x86_dump_seg_cache(env, f, "LDT", &env->ldt); |
| cpu_x86_dump_seg_cache(env, f, "TR", &env->tr); |
| |
| #ifdef TARGET_X86_64 |
| if (env->hflags & HF_LMA_MASK) { |
| qemu_fprintf(f, "GDT= %016" PRIx64 " %08x\n", |
| env->gdt.base, env->gdt.limit); |
| qemu_fprintf(f, "IDT= %016" PRIx64 " %08x\n", |
| env->idt.base, env->idt.limit); |
| qemu_fprintf(f, "CR0=%08x CR2=%016" PRIx64 " CR3=%016" PRIx64 " CR4=%08x\n", |
| (uint32_t)env->cr[0], |
| env->cr[2], |
| env->cr[3], |
| (uint32_t)env->cr[4]); |
| for(i = 0; i < 4; i++) |
| qemu_fprintf(f, "DR%d=%016" PRIx64 " ", i, env->dr[i]); |
| qemu_fprintf(f, "\nDR6=%016" PRIx64 " DR7=%016" PRIx64 "\n", |
| env->dr[6], env->dr[7]); |
| } else |
| #endif |
| { |
| qemu_fprintf(f, "GDT= %08x %08x\n", |
| (uint32_t)env->gdt.base, env->gdt.limit); |
| qemu_fprintf(f, "IDT= %08x %08x\n", |
| (uint32_t)env->idt.base, env->idt.limit); |
| qemu_fprintf(f, "CR0=%08x CR2=%08x CR3=%08x CR4=%08x\n", |
| (uint32_t)env->cr[0], |
| (uint32_t)env->cr[2], |
| (uint32_t)env->cr[3], |
| (uint32_t)env->cr[4]); |
| for(i = 0; i < 4; i++) { |
| qemu_fprintf(f, "DR%d=" TARGET_FMT_lx " ", i, env->dr[i]); |
| } |
| qemu_fprintf(f, "\nDR6=" TARGET_FMT_lx " DR7=" TARGET_FMT_lx "\n", |
| env->dr[6], env->dr[7]); |
| } |
| if (flags & CPU_DUMP_CCOP) { |
| if ((unsigned)env->cc_op < CC_OP_NB) |
| snprintf(cc_op_name, sizeof(cc_op_name), "%s", cc_op_str[env->cc_op]); |
| else |
| snprintf(cc_op_name, sizeof(cc_op_name), "[%d]", env->cc_op); |
| #ifdef TARGET_X86_64 |
| if (env->hflags & HF_CS64_MASK) { |
| qemu_fprintf(f, "CCS=%016" PRIx64 " CCD=%016" PRIx64 " CCO=%s\n", |
| env->cc_src, env->cc_dst, |
| cc_op_name); |
| } else |
| #endif |
| { |
| qemu_fprintf(f, "CCS=%08x CCD=%08x CCO=%s\n", |
| (uint32_t)env->cc_src, (uint32_t)env->cc_dst, |
| cc_op_name); |
| } |
| } |
| qemu_fprintf(f, "EFER=%016" PRIx64 "\n", env->efer); |
| if (flags & CPU_DUMP_FPU) { |
| int fptag; |
| const uint64_t avx512_mask = XSTATE_OPMASK_MASK | \ |
| XSTATE_ZMM_Hi256_MASK | \ |
| XSTATE_Hi16_ZMM_MASK | \ |
| XSTATE_YMM_MASK | XSTATE_SSE_MASK, |
| avx_mask = XSTATE_YMM_MASK | XSTATE_SSE_MASK; |
| fptag = 0; |
| for(i = 0; i < 8; i++) { |
| fptag |= ((!env->fptags[i]) << i); |
| } |
| update_mxcsr_from_sse_status(env); |
| qemu_fprintf(f, "FCW=%04x FSW=%04x [ST=%d] FTW=%02x MXCSR=%08x\n", |
| env->fpuc, |
| (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11, |
| env->fpstt, |
| fptag, |
| env->mxcsr); |
| for(i=0;i<8;i++) { |
| CPU_LDoubleU u; |
| u.d = env->fpregs[i].d; |
| qemu_fprintf(f, "FPR%d=%016" PRIx64 " %04x", |
| i, u.l.lower, u.l.upper); |
| if ((i & 1) == 1) |
| qemu_fprintf(f, "\n"); |
| else |
| qemu_fprintf(f, " "); |
| } |
| |
| if ((env->xcr0 & avx512_mask) == avx512_mask) { |
| /* XSAVE enabled AVX512 */ |
| for (i = 0; i < NB_OPMASK_REGS; i++) { |
| qemu_fprintf(f, "Opmask%02d=%016"PRIx64"%s", i, |
| env->opmask_regs[i], ((i & 3) == 3) ? "\n" : " "); |
| } |
| |
| nb = (env->hflags & HF_CS64_MASK) ? 32 : 8; |
| for (i = 0; i < nb; i++) { |
| qemu_fprintf(f, "ZMM%02d=%016"PRIx64" %016"PRIx64" %016"PRIx64 |
| " %016"PRIx64" %016"PRIx64" %016"PRIx64 |
| " %016"PRIx64" %016"PRIx64"\n", |
| i, |
| env->xmm_regs[i].ZMM_Q(7), |
| env->xmm_regs[i].ZMM_Q(6), |
| env->xmm_regs[i].ZMM_Q(5), |
| env->xmm_regs[i].ZMM_Q(4), |
| env->xmm_regs[i].ZMM_Q(3), |
| env->xmm_regs[i].ZMM_Q(2), |
| env->xmm_regs[i].ZMM_Q(1), |
| env->xmm_regs[i].ZMM_Q(0)); |
| } |
| } else if ((env->xcr0 & avx_mask) == avx_mask) { |
| /* XSAVE enabled AVX */ |
| nb = env->hflags & HF_CS64_MASK ? 16 : 8; |
| for (i = 0; i < nb; i++) { |
| qemu_fprintf(f, "YMM%02d=%016"PRIx64" %016"PRIx64" %016"PRIx64 |
| " %016"PRIx64"\n", i, |
| env->xmm_regs[i].ZMM_Q(3), |
| env->xmm_regs[i].ZMM_Q(2), |
| env->xmm_regs[i].ZMM_Q(1), |
| env->xmm_regs[i].ZMM_Q(0)); |
| } |
| } else { /* SSE and below cases */ |
| nb = env->hflags & HF_CS64_MASK ? 16 : 8; |
| for (i = 0; i < nb; i++) { |
| qemu_fprintf(f, "XMM%02d=%016"PRIx64" %016"PRIx64"%s", |
| i, |
| env->xmm_regs[i].ZMM_Q(1), |
| env->xmm_regs[i].ZMM_Q(0), |
| (i & 1) ? "\n" : " "); |
| } |
| } |
| } |
| if (flags & CPU_DUMP_CODE) { |
| target_ulong base = env->segs[R_CS].base + env->eip; |
| target_ulong offs = MIN(env->eip, DUMP_CODE_BYTES_BACKWARD); |
| uint8_t code; |
| char codestr[3]; |
| |
| qemu_fprintf(f, "Code="); |
| for (i = 0; i < DUMP_CODE_BYTES_TOTAL; i++) { |
| if (cpu_memory_rw_debug(cs, base - offs + i, &code, 1, 0) == 0) { |
| snprintf(codestr, sizeof(codestr), "%02x", code); |
| } else { |
| snprintf(codestr, sizeof(codestr), "??"); |
| } |
| qemu_fprintf(f, "%s%s%s%s", i > 0 ? " " : "", |
| i == offs ? "<" : "", codestr, i == offs ? ">" : ""); |
| } |
| qemu_fprintf(f, "\n"); |
| } |
| } |
