I set the parameters in your way and execute dlv or not.Thanks. On Saturday, March 16, 2019 at 12:12:42 AM UTC+8, Jake Montgomery wrote: > > First off, we are always happy to have new users in the group. But one > more bit of etiquette - Please don't post screenshots of text. Instead copy > paste the text into the message. I like to use fixed width font, or put it > in a code block. See the recent discussion at > https://groups.google.com/d/topic/golang-nuts/KR_JXhBWCk8/discussion for > the many reasons why. > > Looking at the screenshot, I see that you are trying to debug into a > runtime library function. That is why it is optimized. IIRC, the way you > have built will only build main.go without optimization, but it will not > effect the standard libraries. I think you want something like *go build > -o main -gcflags "all=-N -l" main.go *. The "all=" is the key here. > > Good luck > > On Friday, March 15, 2019 at 3:26:28 AM UTC-4, mount...@gmail.com wrote: >> >> >> >> 在 2019年3月15日星期五 UTC+8上午12:49:51，Jake Montgomery写道： >>> >>> First off. Please don't use a giant font in this group. It adds no >>> valuable information, and makes it seem like you are yelling at the reader. >>> >>> I use delve <https://github.com/go-delve/delve> not gdb, so I can not >>> speak directly to that. I use -gcflags="-N -l", and so far it has always >>> produced a reasonably debuggable (with delve >>> <https://github.com/go-delve/delve> at least) executable. >>> >>> Your question is probably too vague to answer though. What, >>> specifically, are you experiencing as being "optimized out"? If you >>> provided code for a small sample program, and told us what you actually >>> see, and what you expect to see, you would have a better chance of a useful >>> response. >>> >>> >>> On Thursday, March 14, 2019 at 12:03:50 AM UTC-4, mount...@gmail.com >>> wrote: >>>> >>>> >>>> Very strange, when I compile with go build -o main -gcflags "-N -l" >>>> main.go, it appears optimized out when debugging with gdb. >>>> >>>> Who knows why? >>>> >>>>
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