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d7482ffe97
Below is the updated version of the patch adding debugging support to WHPX. It incorporates feedback from Alex Bennée and Peter Maydell regarding not changing the emulation logic depending on the gdb connection status. Instead of checking for an active gdb connection to determine whether QEMU should intercept the INT1 exceptions, it now checks whether any breakpoints have been set, or whether gdb has explicitly requested one or more CPUs to do single-stepping. Having none of these condition present now has the same effect as not using gdb at all. Message-Id: <0e7f01d82e9e$00e9c360$02bd4a20$@sysprogs.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
#ifndef SYSEMU_RUNSTATE_H
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#define SYSEMU_RUNSTATE_H
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#include "qapi/qapi-types-run-state.h"
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#include "qemu/notify.h"
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bool runstate_check(RunState state);
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void runstate_set(RunState new_state);
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bool runstate_is_running(void);
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bool runstate_needs_reset(void);
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bool runstate_store(char *str, size_t size);
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typedef void VMChangeStateHandler(void *opaque, bool running, RunState state);
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VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
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void *opaque);
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VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
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VMChangeStateHandler *cb, void *opaque, int priority);
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VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev,
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VMChangeStateHandler *cb,
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void *opaque);
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void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
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/**
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* vm_state_notify: Notify the state of the VM
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*
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* @running: whether the VM is running or not.
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* @state: the #RunState of the VM.
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*/
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void vm_state_notify(bool running, RunState state);
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static inline bool shutdown_caused_by_guest(ShutdownCause cause)
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{
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return cause >= SHUTDOWN_CAUSE_GUEST_SHUTDOWN;
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}
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void vm_start(void);
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/**
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* vm_prepare_start: Prepare for starting/resuming the VM
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*
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* @step_pending: whether any of the CPUs is about to be single-stepped by gdb
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*/
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int vm_prepare_start(bool step_pending);
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int vm_stop(RunState state);
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int vm_stop_force_state(RunState state);
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int vm_shutdown(void);
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typedef enum WakeupReason {
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/* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
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QEMU_WAKEUP_REASON_NONE = 0,
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QEMU_WAKEUP_REASON_RTC,
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QEMU_WAKEUP_REASON_PMTIMER,
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QEMU_WAKEUP_REASON_OTHER,
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} WakeupReason;
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void qemu_system_reset_request(ShutdownCause reason);
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void qemu_system_suspend_request(void);
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void qemu_register_suspend_notifier(Notifier *notifier);
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bool qemu_wakeup_suspend_enabled(void);
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void qemu_system_wakeup_request(WakeupReason reason, Error **errp);
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void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
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void qemu_register_wakeup_notifier(Notifier *notifier);
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void qemu_register_wakeup_support(void);
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void qemu_system_shutdown_request(ShutdownCause reason);
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void qemu_system_powerdown_request(void);
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void qemu_register_powerdown_notifier(Notifier *notifier);
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void qemu_register_shutdown_notifier(Notifier *notifier);
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void qemu_system_debug_request(void);
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void qemu_system_vmstop_request(RunState reason);
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void qemu_system_vmstop_request_prepare(void);
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bool qemu_vmstop_requested(RunState *r);
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ShutdownCause qemu_shutdown_requested_get(void);
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ShutdownCause qemu_reset_requested_get(void);
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void qemu_system_killed(int signal, pid_t pid);
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void qemu_system_reset(ShutdownCause reason);
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void qemu_system_guest_panicked(GuestPanicInformation *info);
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void qemu_system_guest_crashloaded(GuestPanicInformation *info);
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bool qemu_system_dump_in_progress(void);
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#endif
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