| /* |
| * replay-time.c |
| * |
| * Copyright (c) 2010-2015 Institute for System Programming |
| * of the Russian Academy of Sciences. |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| * See the COPYING file in the top-level directory. |
| * |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu-common.h" |
| #include "sysemu/replay.h" |
| #include "replay-internal.h" |
| #include "qemu/error-report.h" |
| |
| int64_t replay_save_clock(ReplayClockKind kind, int64_t clock) |
| { |
| replay_save_instructions(); |
| |
| if (replay_file) { |
| replay_mutex_lock(); |
| replay_put_event(EVENT_CLOCK + kind); |
| replay_put_qword(clock); |
| replay_mutex_unlock(); |
| } |
| |
| return clock; |
| } |
| |
| void replay_read_next_clock(ReplayClockKind kind) |
| { |
| unsigned int read_kind = replay_state.data_kind - EVENT_CLOCK; |
| |
| assert(read_kind == kind); |
| |
| int64_t clock = replay_get_qword(); |
| |
| replay_check_error(); |
| replay_finish_event(); |
| |
| replay_state.cached_clock[read_kind] = clock; |
| } |
| |
| /*! Reads next clock event from the input. */ |
| int64_t replay_read_clock(ReplayClockKind kind) |
| { |
| replay_account_executed_instructions(); |
| |
| if (replay_file) { |
| int64_t ret; |
| replay_mutex_lock(); |
| if (replay_next_event_is(EVENT_CLOCK + kind)) { |
| replay_read_next_clock(kind); |
| } |
| ret = replay_state.cached_clock[kind]; |
| replay_mutex_unlock(); |
| |
| return ret; |
| } |
| |
| error_report("REPLAY INTERNAL ERROR %d", __LINE__); |
| exit(1); |
| } |