00000030  13 00 23 00 00 ff 01 00  01 00 00 17 00 00 00 0b  |..#.............|
00000040  00 02 01 00 16 03 03 02  59 0b 00 02 55 00 02 52  |........Y...U..R|
00000050  00 02 4f 30 82 02 4b 30  82 01 b4 a0 03 02 01 02  |..O0..K0........|
00000060  02 09 00 e8 f0 9d 3f e2  5b ea a6 30 0d 06 09 2a  |......?.[..0...*|
00000070  86 48 86 f7 0d 01 01 0b  05 00 30 1f 31 0b 30 09  |.H........0.1.0.|

		t.Fatalf("could not find runtime symbol in backtrace after signal handler:\n%s", rest)
	}
}

const coreCrashThreadSource = `
package main

/*
#cgo CFLAGS: -g -O0
#include <stdio.h>
#include <stddef.h>
void trigger_crash()
{
	int* ptr = NULL;
	*ptr = 1024;
}
*/
import "C"
import (
	"flag"
	"fmt"
	"os"
	"runtime/debug"
	"syscall"

00000020  00 00 00 44 4f 57 4e 47  52 44 01 00 00 2f 00 00  |...DOWNGRD.../..|
00000030  09 ff 01 00 01 00 00 17  00 00 16 03 03 02 59 0b  |..............Y.|
00000040  00 02 55 00 02 52 00 02  4f 30 82 02 4b 30 82 01  |..U..R..O0..K0..|
00000050  b4 a0 03 02 01 02 02 09  00 e8 f0 9d 3f e2 5b ea  |............?.[.|
00000060  a6 30 0d 06 09 2a 86 48  86 f7 0d 01 01 0b 05 00  |.0...*.H........|