47 lines
952 B
Go
47 lines
952 B
Go
//go:build !wasm
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package debug
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import (
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"unsafe"
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c "github.com/goplus/llgo/runtime/internal/clite"
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)
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const (
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LLGoFiles = "_wrap/debug.cpp"
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)
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type Info struct {
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Fname *c.Char
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Fbase c.Pointer
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Sname *c.Char
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Saddr c.Pointer
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}
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//go:linkname Address C.llgo_address
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func Address() unsafe.Pointer
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//go:linkname Addrinfo C.llgo_addrinfo
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func Addrinfo(addr unsafe.Pointer, info *Info) c.Int
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//go:linkname stacktrace C.llgo_stacktrace
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func stacktrace(skip c.Int, ctx unsafe.Pointer, fn func(ctx, pc, offset, sp unsafe.Pointer, name *c.Char) c.Int)
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type Frame struct {
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PC uintptr
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Offset uintptr
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SP unsafe.Pointer
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Name string
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}
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func StackTrace(skip int, fn func(fr *Frame) bool) {
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stacktrace(c.Int(1+skip), unsafe.Pointer(&fn), func(ctx, pc, offset, sp unsafe.Pointer, name *c.Char) c.Int {
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fn := *(*func(fr *Frame) bool)(ctx)
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if !fn(&Frame{uintptr(pc), uintptr(offset), sp, c.GoString(name)}) {
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return 0
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}
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return 1
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})
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}
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