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[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)

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Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5.
- [Release notes](https://github.com/KimMachineGun/automemlimit/releases)
- [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5)

---
updated-dependencies:
- dependency-name: github.com/KimMachineGun/automemlimit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
This commit is contained in:
dependabot[bot] 2023-04-03 11:16:17 +02:00 • committed by GitHub
commit 57dc742c76
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GPG key ID: 4AEE18F83AFDEB23
200 changed files with 16392 additions and 38190 deletions
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120
vendor/github.com/cilium/ebpf/asm/opcode.go generated vendored
View file

@ -7,14 +7,6 @@ import (
//go:generate stringer -output opcode_string.go -type=Class
type encoding int
const (
unknownEncoding encoding = iota
loadOrStore
jumpOrALU
)
// Class of operations
//
// msb lsb
@ -26,31 +18,52 @@ type Class uint8
const classMask OpCode = 0x07
const (
// LdClass load memory
// LdClass loads immediate values into registers.
// Also used for non-standard load operations from cBPF.
LdClass Class = 0x00
// LdXClass load memory from constant
// LdXClass loads memory into registers.
LdXClass Class = 0x01
// StClass load register from memory
// StClass stores immediate values to memory.
StClass Class = 0x02
// StXClass load register from constant
// StXClass stores registers to memory.
StXClass Class = 0x03
// ALUClass arithmetic operators
// ALUClass describes arithmetic operators.
ALUClass Class = 0x04
// JumpClass jump operators
// JumpClass describes jump operators.
JumpClass Class = 0x05
// ALU64Class arithmetic in 64 bit mode
// Jump32Class describes jump operators with 32-bit comparisons.
// Requires kernel 5.1.
Jump32Class Class = 0x06
// ALU64Class describes arithmetic operators in 64-bit mode.
ALU64Class Class = 0x07
)
func (cls Class) encoding() encoding {
switch cls {
case LdClass, LdXClass, StClass, StXClass:
return loadOrStore
case ALU64Class, ALUClass, JumpClass:
return jumpOrALU
default:
return unknownEncoding
}
// IsLoad checks if this is either LdClass or LdXClass.
func (cls Class) IsLoad() bool {
return cls == LdClass || cls == LdXClass
}
// IsStore checks if this is either StClass or StXClass.
func (cls Class) IsStore() bool {
return cls == StClass || cls == StXClass
}
func (cls Class) isLoadOrStore() bool {
return cls.IsLoad() || cls.IsStore()
}
// IsALU checks if this is either ALUClass or ALU64Class.
func (cls Class) IsALU() bool {
return cls == ALUClass || cls == ALU64Class
}
// IsJump checks if this is either JumpClass or Jump32Class.
func (cls Class) IsJump() bool {
return cls == JumpClass || cls == Jump32Class
}
func (cls Class) isJumpOrALU() bool {
return cls.IsJump() || cls.IsALU()
}
// OpCode is a packed eBPF opcode.
@ -69,13 +82,13 @@ const InvalidOpCode OpCode = 0xff
// rawInstructions returns the number of BPF instructions required
// to encode this opcode.
func (op OpCode) rawInstructions() int {
if op.isDWordLoad() {
if op.IsDWordLoad() {
return 2
}
return 1
}
func (op OpCode) isDWordLoad() bool {
func (op OpCode) IsDWordLoad() bool {
return op == LoadImmOp(DWord)
}
@ -86,7 +99,7 @@ func (op OpCode) Class() Class {
// Mode returns the mode for load and store operations.
func (op OpCode) Mode() Mode {
if op.Class().encoding() != loadOrStore {
if !op.Class().isLoadOrStore() {
return InvalidMode
}
return Mode(op & modeMask)
@ -94,7 +107,7 @@ func (op OpCode) Mode() Mode {
// Size returns the size for load and store operations.
func (op OpCode) Size() Size {
if op.Class().encoding() != loadOrStore {
if !op.Class().isLoadOrStore() {
return InvalidSize
}
return Size(op & sizeMask)
@ -102,7 +115,7 @@ func (op OpCode) Size() Size {
// Source returns the source for branch and ALU operations.
func (op OpCode) Source() Source {
if op.Class().encoding() != jumpOrALU || op.ALUOp() == Swap {
if !op.Class().isJumpOrALU() || op.ALUOp() == Swap {
return InvalidSource
}
return Source(op & sourceMask)
@ -110,7 +123,7 @@ func (op OpCode) Source() Source {
// ALUOp returns the ALUOp.
func (op OpCode) ALUOp() ALUOp {
if op.Class().encoding() != jumpOrALU {
if !op.Class().IsALU() {
return InvalidALUOp
}
return ALUOp(op & aluMask)
@ -125,18 +138,27 @@ func (op OpCode) Endianness() Endianness {
}
// JumpOp returns the JumpOp.
// Returns InvalidJumpOp if it doesn't encode a jump.
func (op OpCode) JumpOp() JumpOp {
if op.Class().encoding() != jumpOrALU {
if !op.Class().IsJump() {
return InvalidJumpOp
}
return JumpOp(op & jumpMask)
jumpOp := JumpOp(op & jumpMask)
// Some JumpOps are only supported by JumpClass, not Jump32Class.
if op.Class() == Jump32Class && (jumpOp == Exit || jumpOp == Call || jumpOp == Ja) {
return InvalidJumpOp
}
return jumpOp
}
// SetMode sets the mode on load and store operations.
//
// Returns InvalidOpCode if op is of the wrong class.
func (op OpCode) SetMode(mode Mode) OpCode {
if op.Class().encoding() != loadOrStore || !valid(OpCode(mode), modeMask) {
if !op.Class().isLoadOrStore() || !valid(OpCode(mode), modeMask) {
return InvalidOpCode
}
return (op & ^modeMask) | OpCode(mode)
@ -146,7 +168,7 @@ func (op OpCode) SetMode(mode Mode) OpCode {
//
// Returns InvalidOpCode if op is of the wrong class.
func (op OpCode) SetSize(size Size) OpCode {
if op.Class().encoding() != loadOrStore || !valid(OpCode(size), sizeMask) {
if !op.Class().isLoadOrStore() || !valid(OpCode(size), sizeMask) {
return InvalidOpCode
}
return (op & ^sizeMask) | OpCode(size)
@ -156,7 +178,7 @@ func (op OpCode) SetSize(size Size) OpCode {
//
// Returns InvalidOpCode if op is of the wrong class.
func (op OpCode) SetSource(source Source) OpCode {
if op.Class().encoding() != jumpOrALU || !valid(OpCode(source), sourceMask) {
if !op.Class().isJumpOrALU() || !valid(OpCode(source), sourceMask) {
return InvalidOpCode
}
return (op & ^sourceMask) | OpCode(source)
@ -166,8 +188,7 @@ func (op OpCode) SetSource(source Source) OpCode {
//
// Returns InvalidOpCode if op is of the wrong class.
func (op OpCode) SetALUOp(alu ALUOp) OpCode {
class := op.Class()
if (class != ALUClass && class != ALU64Class) || !valid(OpCode(alu), aluMask) {
if !op.Class().IsALU() || !valid(OpCode(alu), aluMask) {
return InvalidOpCode
}
return (op & ^aluMask) | OpCode(alu)
@ -177,17 +198,25 @@ func (op OpCode) SetALUOp(alu ALUOp) OpCode {
//
// Returns InvalidOpCode if op is of the wrong class.
func (op OpCode) SetJumpOp(jump JumpOp) OpCode {
if op.Class() != JumpClass || !valid(OpCode(jump), jumpMask) {
if !op.Class().IsJump() || !valid(OpCode(jump), jumpMask) {
return InvalidOpCode
}
return (op & ^jumpMask) | OpCode(jump)
newOp := (op & ^jumpMask) | OpCode(jump)
// Check newOp is legal.
if newOp.JumpOp() == InvalidJumpOp {
return InvalidOpCode
}
return newOp
}
func (op OpCode) String() string {
var f strings.Builder
switch class := op.Class(); class {
case LdClass, LdXClass, StClass, StXClass:
switch class := op.Class(); {
case class.isLoadOrStore():
f.WriteString(strings.TrimSuffix(class.String(), "Class"))
mode := op.Mode()
@ -204,7 +233,7 @@ func (op OpCode) String() string {
f.WriteString("B")
}
case ALU64Class, ALUClass:
case class.IsALU():
f.WriteString(op.ALUOp().String())
if op.ALUOp() == Swap {
@ -218,8 +247,13 @@ func (op OpCode) String() string {
f.WriteString(strings.TrimSuffix(op.Source().String(), "Source"))
}
case JumpClass:
case class.IsJump():
f.WriteString(op.JumpOp().String())
if class == Jump32Class {
f.WriteString("32")
}
if jop := op.JumpOp(); jop != Exit && jop != Call {
f.WriteString(strings.TrimSuffix(op.Source().String(), "Source"))
}