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pkg/proc/core: add an new error named ErrChangeRegisterCore

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This commit just add an new error when trying to change register
values for core files (output the same infomation).
This commit is contained in:
chainhelen 2018-09-20 15:07:33 +08:00 committed by Derek Parker
parent 0c86f2619d
commit ed9d231a6f
1 changed files with 16 additions and 11 deletions
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27
pkg/proc/core/core.go
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@ -160,15 +160,20 @@ type Thread struct {
common proc.CommonThread
}
// ErrWriteCore is returned when attempting to write to the core
// process memory.
var ErrWriteCore = errors.New("can not write to core process")
var (
// ErrWriteCore is returned when attempting to write to the core
// process memory.
ErrWriteCore = errors.New("can not write to core process")
// ErrShortRead is returned on a short read.
var ErrShortRead = errors.New("short read")
// ErrShortRead is returned on a short read.
ErrShortRead = errors.New("short read")
// ErrContinueCore is returned when trying to continue execution of a core process.
var ErrContinueCore = errors.New("can not continue execution of core process")
// ErrContinueCore is returned when trying to continue execution of a core process.
ErrContinueCore = errors.New("can not continue execution of core process")
// ErrChangeRegisterCore is returned when trying to change register values for core files.
ErrChangeRegisterCore = errors.New("can not change register values of core process")
)
// OpenCore will open the core file and return a Process struct.
func OpenCore(corePath, exePath string) (*Process, error) {
@ -278,7 +283,7 @@ func (t *Thread) Registers(floatingPoint bool) (proc.Registers, error) {
// RestoreRegisters will only return an error for core files,
// you cannot change register values for core files.
func (t *Thread) RestoreRegisters(proc.Registers) error {
return errors.New("not supported")
return ErrChangeRegisterCore
}
// Arch returns the architecture the target is built for and executing on.
@ -318,19 +323,19 @@ func (t *Thread) Common() *proc.CommonThread {
// SetPC will always return an error, you cannot
// change register values when debugging core files.
func (t *Thread) SetPC(uint64) error {
return errors.New("not supported")
return ErrChangeRegisterCore
}
// SetSP will always return an error, you cannot
// change register values when debugging core files.
func (t *Thread) SetSP(uint64) error {
return errors.New("not supported")
return ErrChangeRegisterCore
}
// SetDX will always return an error, you cannot
// change register values when debugging core files.
func (t *Thread) SetDX(uint64) error {
return errors.New("not supported")
return ErrChangeRegisterCore
}
// Breakpoints will return all breakpoints for the process.