mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Copyright 2019 The gVisor Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
//go:build arm64
|
|
// +build arm64
|
|
|
|
package linux
|
|
|
|
const (
|
|
//PSR bits
|
|
PSR_MODE_EL0t = 0x00000000
|
|
PSR_MODE_EL1t = 0x00000004
|
|
PSR_MODE_EL1h = 0x00000005
|
|
PSR_MODE_EL2t = 0x00000008
|
|
PSR_MODE_EL2h = 0x00000009
|
|
PSR_MODE_EL3t = 0x0000000c
|
|
PSR_MODE_EL3h = 0x0000000d
|
|
PSR_MODE_MASK = 0x0000000f
|
|
|
|
// AArch32 CPSR bits
|
|
PSR_MODE32_BIT = 0x00000010
|
|
|
|
// AArch64 SPSR bits
|
|
PSR_F_BIT = 0x00000040
|
|
PSR_I_BIT = 0x00000080
|
|
PSR_A_BIT = 0x00000100
|
|
PSR_D_BIT = 0x00000200
|
|
PSR_BTYPE_MASK = 0x00000c00
|
|
PSR_SSBS_BIT = 0x00001000
|
|
PSR_PAN_BIT = 0x00400000
|
|
PSR_UAO_BIT = 0x00800000
|
|
PSR_DIT_BIT = 0x01000000
|
|
PSR_TCO_BIT = 0x02000000
|
|
PSR_V_BIT = 0x10000000
|
|
PSR_C_BIT = 0x20000000
|
|
PSR_Z_BIT = 0x40000000
|
|
PSR_N_BIT = 0x80000000
|
|
)
|
|
|
|
// PtraceRegs is the set of CPU registers exposed by ptrace. Source:
|
|
// syscall.PtraceRegs.
|
|
//
|
|
// +marshal
|
|
// +stateify savable
|
|
type PtraceRegs struct {
|
|
Regs [31]uint64
|
|
Sp uint64
|
|
Pc uint64
|
|
Pstate uint64
|
|
}
|
|
|
|
// InstructionPointer returns the address of the next instruction to be
|
|
// executed.
|
|
func (p *PtraceRegs) InstructionPointer() uint64 {
|
|
return p.Pc
|
|
}
|
|
|
|
// StackPointer returns the address of the Stack pointer.
|
|
func (p *PtraceRegs) StackPointer() uint64 {
|
|
return p.Sp
|
|
}
|
|
|
|
// SetStackPointer sets the stack pointer to the specified value.
|
|
func (p *PtraceRegs) SetStackPointer(sp uint64) {
|
|
p.Sp = sp
|
|
}
|