package main

// This program will crash.
// We want the stack trace to include the C functions.
// We use a fake traceback, and a symbolizer that dumps a string we recognize.

/*
#cgo CFLAGS: -g -O0

// Defined in traceback_c.c.
extern int crashInGo;
int tracebackF1(void);
void cgoTraceback(void* parg);
void cgoSymbolizer(void* parg);
*/
import "C"

import (
	"runtime"
	"unsafe"
)

// The C definitions for traceback.go. That file uses //export so
// it can't put function definitions in the "C" import comment.

#include <stdint.h>

char *p;

int crashInGo;
extern void h1(void);

int tracebackF3(void) {
	if (crashInGo)
		h1();
	else
		*p = 0;
	return 0;
}

int tracebackF2(void) {
	return tracebackF3();
}

int tracebackF1(void) {

	if gp.m.libcallsp != 0 {
		// We're in C code somewhere, traceback from the saved position.
		traceback1(gp.m.libcallpc, gp.m.libcallsp, 0, gp.m.libcallg.ptr(), 0)
		return
	}
	traceback1(pc, sp, lr, gp, unwindTrap)
}

func traceback1(pc, sp, lr uintptr, gp *g, flags unwindFlags) {
	// If the goroutine is in cgo, and we have a cgo traceback, print that.

		panic(fmt.Sprintf("bad f %v\n", f))
	}
	if !more {
		panic("traceback truncated after f")
	}
	f, more = iter.Next()
	if f.Function != "test/a.init" || !strings.HasSuffix(f.File, "a.go") || f.Line != 15 {
		panic(fmt.Sprintf("bad init %v\n", f))
	}
	if !more {
		panic("traceback truncated after init")
	}
	f, _ = iter.Next()
	if !strings.HasPrefix(f.Function, "runtime.") {

}

var tracebackOK bool

func TracebackContext() {
	runtime.SetCgoTraceback(0, unsafe.Pointer(C.tcTraceback), unsafe.Pointer(C.tcContext), unsafe.Pointer(C.tcSymbolizer))
	C.C1()
	if got := C.getContextCount(); got != 0 {
		fmt.Printf("at end contextCount == %d, expected 0\n", got)
		tracebackOK = false
	}
	if tracebackOK {
		fmt.Println("OK")
	}
}

//export G1

the problem. If possible, please share a link to or attach code demonstrating
the problem.

**Any other info / logs**
Include any logs or source code that would be helpful to diagnose the problem.
If including tracebacks, please include the full traceback. Large logs and files

Also, please include a link to a GraphDef or the model if possible.

**Any other info / logs**

Include any logs or source code that would be helpful to diagnose the problem.
If including tracebacks, please include the full traceback. Large logs and files

If converting TF RNN to TFLite fused RNN ops, please prefix [RNN] in the title.

### 5. (optional) Any other info / logs

// bits are the traceback value (0 off, 1 on, 2 include system).
const (
	tracebackCrash = 1 << iota
	tracebackAll
	tracebackShift = iota
)

var traceback_cache uint32 = 2 << tracebackShift
var traceback_env uint32

// gotraceback returns the current traceback settings.
//
// If level is 0, suppress all tracebacks.
// If level is 1, show tracebacks, but exclude runtime frames.

			}
			if t.Failed() {
				t.Logf("traceback diverged at frame %d", i)
				off := len(stack)
				if len(tb.frames) > 0 {
					off = tb.frames[0].off
				}
				t.Logf("traceback before error:\n%s", stack[:off])
				t.Logf("traceback after error:\n%s", stack[off:])
			}
		})
	}
}

// tteStack creates a stack of n logical frames and sends the traceback to