net: phy: Add LED mode driver for Microsemi PHYs.

LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.

LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
from Device Tree.

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

path: root/tools/build/feature/test-backtrace.c

#include <execinfo.h>
#include <stdio.h>

int main(void)
{
	void *backtrace_fns[10];
	size_t entries;

	entries = backtrace(backtrace_fns, 10);
	backtrace_symbols_fd(backtrace_fns, entries, 1);

	return 0;
}