mirror of https://github.com/beego/bee.git
62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
// +build !js
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package gls
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// This file is used for standard Go builds, which have the expected runtime support
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import (
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"reflect"
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"runtime"
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)
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func init() {
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setEntries := func(f func(uint, func()), v int8) {
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pc_lookup[reflect.ValueOf(f).Pointer()] = v
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if v >= 0 {
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mark_lookup[v] = f
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}
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}
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setEntries(markS, -0x1)
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setEntries(mark0, 0x0)
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setEntries(mark1, 0x1)
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setEntries(mark2, 0x2)
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setEntries(mark3, 0x3)
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setEntries(mark4, 0x4)
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setEntries(mark5, 0x5)
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setEntries(mark6, 0x6)
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setEntries(mark7, 0x7)
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setEntries(mark8, 0x8)
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setEntries(mark9, 0x9)
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setEntries(markA, 0xa)
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setEntries(markB, 0xb)
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setEntries(markC, 0xc)
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setEntries(markD, 0xd)
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setEntries(markE, 0xe)
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setEntries(markF, 0xf)
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}
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func currentStack(skip int) []uintptr {
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stack := make([]uintptr, maxCallers)
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return stack[:runtime.Callers(3+skip, stack)]
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}
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func readStackTags(skip int) (tags []uint) {
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stack := currentStack(skip)
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var current_tag uint
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for _, pc := range stack {
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pc = runtime.FuncForPC(pc).Entry()
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val, ok := pc_lookup[pc]
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if !ok {
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continue
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}
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if val < 0 {
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tags = append(tags, current_tag)
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current_tag = 0
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continue
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}
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current_tag <<= bitWidth
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current_tag += uint(val)
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}
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return
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}
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