2925c0310a
Implements the function call injection protocol introduced in go 1.11 by https://go-review.googlesource.com/c/go/+/109699. This is only the basic support, see TODO comments in pkg/proc/fncall.go for a list of missing features. Updates #119
38 lines
624 B
Go
38 lines
624 B
Go
package main
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import (
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"fmt"
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"runtime"
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)
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func callstacktrace() (stacktrace string) {
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for skip := 0; ; skip++ {
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pc, file, line, ok := runtime.Caller(skip)
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if !ok {
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break
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}
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fn := runtime.FuncForPC(pc)
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stacktrace += fmt.Sprintf("in %s at %s:%d\n", fn.Name(), file, line)
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}
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return stacktrace
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}
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func call1(a, b int) int {
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fmt.Printf("first: %d second: %d\n", a, b)
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return a + b
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}
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func callpanic() {
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fmt.Printf("about to panic\n")
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panic("callpanic panicked")
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}
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var zero = 0
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func main() {
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one, two := 1, 2
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runtime.Breakpoint()
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call1(one, two)
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fmt.Println(one, two, zero, callpanic, callstacktrace)
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}
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