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69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package proc
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import "runtime"
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type Arch interface {
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SetGStructOffset(ver GoVersion, iscgo bool)
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PtrSize() int
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BreakpointInstruction() []byte
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BreakpointSize() int
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GStructOffset() uint64
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HardwareBreakpointUsage() []bool
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SetHardwareBreakpointUsage(int, bool)
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}
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type AMD64 struct {
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ptrSize int
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breakInstruction []byte
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breakInstructionLen int
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gStructOffset uint64
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hardwareBreakpointUsage []bool
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}
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func AMD64Arch() *AMD64 {
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var breakInstr = []byte{0xCC}
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return &AMD64{
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ptrSize: 8,
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breakInstruction: breakInstr,
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breakInstructionLen: len(breakInstr),
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hardwareBreakpointUsage: make([]bool, 4),
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}
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}
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func (a *AMD64) SetGStructOffset(ver GoVersion, isextld bool) {
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switch runtime.GOOS {
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case "darwin":
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a.gStructOffset = 0x8a0
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case "linux":
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a.gStructOffset = 0xfffffffffffffff0
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if isextld || ver.AfterOrEqual(GoVersion{1, 5, -1, 2, 0}) || ver.IsDevel() {
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a.gStructOffset += 8
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}
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}
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}
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func (a *AMD64) PtrSize() int {
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return a.ptrSize
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}
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func (a *AMD64) BreakpointInstruction() []byte {
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return a.breakInstruction
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}
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func (a *AMD64) BreakpointSize() int {
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return a.breakInstructionLen
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}
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func (a *AMD64) GStructOffset() uint64 {
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return a.gStructOffset
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}
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func (a *AMD64) HardwareBreakpointUsage() []bool {
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return a.hardwareBreakpointUsage
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}
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func (a *AMD64) SetHardwareBreakpointUsage(reg int, set bool) {
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a.hardwareBreakpointUsage[reg] = set
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}
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