diff options
| -rw-r--r-- | cpu-all.h | 2 | ||||
| -rw-r--r-- | kvm-all.c | 4 | ||||
| -rw-r--r-- | target-i386/helper.c | 21 |
3 files changed, 25 insertions, 2 deletions
@@ -765,6 +765,8 @@ int page_check_range(target_ulong start, target_ulong len, int flags); CPUState *cpu_copy(CPUState *env); CPUState *qemu_get_cpu(int cpu); +#define CPU_DUMP_CODE 0x00010000 + void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf, int flags); void cpu_dump_statistics(CPUState *env, FILE *f, fprintf_function cpu_fprintf, @@ -832,7 +832,7 @@ static int kvm_handle_internal_error(CPUState *env, struct kvm_run *run) if (run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION) { fprintf(stderr, "emulation failure\n"); if (!kvm_arch_stop_on_emulation_error(env)) { - cpu_dump_state(env, stderr, fprintf, 0); + cpu_dump_state(env, stderr, fprintf, CPU_DUMP_CODE); return 0; } } @@ -994,7 +994,7 @@ int kvm_cpu_exec(CPUState *env) } while (ret > 0); if (ret < 0) { - cpu_dump_state(env, stderr, fprintf, 0); + cpu_dump_state(env, stderr, fprintf, CPU_DUMP_CODE); vm_stop(0); env->exit_request = 1; } diff --git a/target-i386/helper.c b/target-i386/helper.c index 6dfa27d51b..1217452e71 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -249,6 +249,9 @@ done: cpu_fprintf(f, "\n"); } +#define DUMP_CODE_BYTES_TOTAL 50 +#define DUMP_CODE_BYTES_BACKWARD 20 + void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf, int flags) { @@ -434,6 +437,24 @@ void cpu_dump_state(CPUState *env, FILE *f, fprintf_function cpu_fprintf, cpu_fprintf(f, " "); } } + 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]; + + cpu_fprintf(f, "Code="); + for (i = 0; i < DUMP_CODE_BYTES_TOTAL; i++) { + if (cpu_memory_rw_debug(env, base - offs + i, &code, 1, 0) == 0) { + snprintf(codestr, sizeof(codestr), "%02x", code); + } else { + snprintf(codestr, sizeof(codestr), "??"); + } + cpu_fprintf(f, "%s%s%s%s", i > 0 ? " " : "", + i == offs ? "<" : "", codestr, i == offs ? ">" : ""); + } + cpu_fprintf(f, "\n"); + } } /***********************************************************/ |