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// Copyright 2018 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.
// +build amd64
package ring0
import (
"fmt"
"io"
"reflect"
"gvisor.dev/gvisor/pkg/sentry/arch"
)
// Emit prints architecture-specific offsets.
func Emit(w io.Writer) {
fmt.Fprintf(w, "// Automatically generated, do not edit.\n")
c := &CPU{}
fmt.Fprintf(w, "\n// CPU offsets.\n")
fmt.Fprintf(w, "#define CPU_REGISTERS 0x%02x\n", reflect.ValueOf(&c.registers).Pointer()-reflect.ValueOf(c).Pointer())
fmt.Fprintf(w, "#define CPU_ERROR_CODE 0x%02x\n", reflect.ValueOf(&c.errorCode).Pointer()-reflect.ValueOf(c).Pointer())
fmt.Fprintf(w, "#define CPU_ERROR_TYPE 0x%02x\n", reflect.ValueOf(&c.errorType).Pointer()-reflect.ValueOf(c).Pointer())
fmt.Fprintf(w, "#define CPU_ENTRY 0x%02x\n", reflect.ValueOf(&c.kernelEntry).Pointer()-reflect.ValueOf(c).Pointer())
e := &kernelEntry{}
fmt.Fprintf(w, "\n// CPU entry offsets.\n")
fmt.Fprintf(w, "#define ENTRY_SCRATCH0 0x%02x\n", reflect.ValueOf(&e.scratch0).Pointer()-reflect.ValueOf(e).Pointer())
fmt.Fprintf(w, "#define ENTRY_STACK_TOP 0x%02x\n", reflect.ValueOf(&e.stackTop).Pointer()-reflect.ValueOf(e).Pointer())
fmt.Fprintf(w, "#define ENTRY_CPU_SELF 0x%02x\n", reflect.ValueOf(&e.cpuSelf).Pointer()-reflect.ValueOf(e).Pointer())
fmt.Fprintf(w, "#define ENTRY_KERNEL_CR3 0x%02x\n", reflect.ValueOf(&e.kernelCR3).Pointer()-reflect.ValueOf(e).Pointer())
fmt.Fprintf(w, "\n// Bits.\n")
fmt.Fprintf(w, "#define _RFLAGS_IF 0x%02x\n", _RFLAGS_IF)
fmt.Fprintf(w, "#define _RFLAGS_IOPL0 0x%02x\n", _RFLAGS_IOPL0)
fmt.Fprintf(w, "#define _KERNEL_FLAGS 0x%02x\n", KernelFlagsSet)
fmt.Fprintf(w, "\n// Vectors.\n")
fmt.Fprintf(w, "#define DivideByZero 0x%02x\n", DivideByZero)
fmt.Fprintf(w, "#define Debug 0x%02x\n", Debug)
fmt.Fprintf(w, "#define NMI 0x%02x\n", NMI)
fmt.Fprintf(w, "#define Breakpoint 0x%02x\n", Breakpoint)
fmt.Fprintf(w, "#define Overflow 0x%02x\n", Overflow)
fmt.Fprintf(w, "#define BoundRangeExceeded 0x%02x\n", BoundRangeExceeded)
fmt.Fprintf(w, "#define InvalidOpcode 0x%02x\n", InvalidOpcode)
fmt.Fprintf(w, "#define DeviceNotAvailable 0x%02x\n", DeviceNotAvailable)
fmt.Fprintf(w, "#define DoubleFault 0x%02x\n", DoubleFault)
fmt.Fprintf(w, "#define CoprocessorSegmentOverrun 0x%02x\n", CoprocessorSegmentOverrun)
fmt.Fprintf(w, "#define InvalidTSS 0x%02x\n", InvalidTSS)
fmt.Fprintf(w, "#define SegmentNotPresent 0x%02x\n", SegmentNotPresent)
fmt.Fprintf(w, "#define StackSegmentFault 0x%02x\n", StackSegmentFault)
fmt.Fprintf(w, "#define GeneralProtectionFault 0x%02x\n", GeneralProtectionFault)
fmt.Fprintf(w, "#define PageFault 0x%02x\n", PageFault)
fmt.Fprintf(w, "#define X87FloatingPointException 0x%02x\n", X87FloatingPointException)
fmt.Fprintf(w, "#define AlignmentCheck 0x%02x\n", AlignmentCheck)
fmt.Fprintf(w, "#define MachineCheck 0x%02x\n", MachineCheck)
fmt.Fprintf(w, "#define SIMDFloatingPointException 0x%02x\n", SIMDFloatingPointException)
fmt.Fprintf(w, "#define VirtualizationException 0x%02x\n", VirtualizationException)
fmt.Fprintf(w, "#define SecurityException 0x%02x\n", SecurityException)
fmt.Fprintf(w, "#define SyscallInt80 0x%02x\n", SyscallInt80)
fmt.Fprintf(w, "#define Syscall 0x%02x\n", Syscall)
p := &arch.Registers{}
fmt.Fprintf(w, "\n// Ptrace registers.\n")
fmt.Fprintf(w, "#define PTRACE_R15 0x%02x\n", reflect.ValueOf(&p.R15).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_R14 0x%02x\n", reflect.ValueOf(&p.R14).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_R13 0x%02x\n", reflect.ValueOf(&p.R13).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_R12 0x%02x\n", reflect.ValueOf(&p.R12).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RBP 0x%02x\n", reflect.ValueOf(&p.Rbp).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RBX 0x%02x\n", reflect.ValueOf(&p.Rbx).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_R11 0x%02x\n", reflect.ValueOf(&p.R11).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_R10 0x%02x\n", reflect.ValueOf(&p.R10).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_R9 0x%02x\n", reflect.ValueOf(&p.R9).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_R8 0x%02x\n", reflect.ValueOf(&p.R8).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RAX 0x%02x\n", reflect.ValueOf(&p.Rax).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RCX 0x%02x\n", reflect.ValueOf(&p.Rcx).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RDX 0x%02x\n", reflect.ValueOf(&p.Rdx).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RSI 0x%02x\n", reflect.ValueOf(&p.Rsi).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RDI 0x%02x\n", reflect.ValueOf(&p.Rdi).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_ORIGRAX 0x%02x\n", reflect.ValueOf(&p.Orig_rax).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RIP 0x%02x\n", reflect.ValueOf(&p.Rip).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_CS 0x%02x\n", reflect.ValueOf(&p.Cs).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_FLAGS 0x%02x\n", reflect.ValueOf(&p.Eflags).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_RSP 0x%02x\n", reflect.ValueOf(&p.Rsp).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_SS 0x%02x\n", reflect.ValueOf(&p.Ss).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_FS 0x%02x\n", reflect.ValueOf(&p.Fs_base).Pointer()-reflect.ValueOf(p).Pointer())
fmt.Fprintf(w, "#define PTRACE_GS 0x%02x\n", reflect.ValueOf(&p.Gs_base).Pointer()-reflect.ValueOf(p).Pointer())
}
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