Kernel/profiling/gprof.cpp

39 lines
1.1 KiB
C++

/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <types.h>
#include <printf.h>
#include <uart.hpp>
#include "../kernel.h"
using namespace UniversalAsynchronousReceiverTransmitter;
static inline nsa NIF void gprof_uart_wrapper(char c, void *unused)
{
UART(COM2).Write(c);
UNUSED(unused);
}
EXTERNC nsa NIF void mcount(unsigned long frompc, unsigned long selfpc)
{
// TODO: Implement
/* https://docs.kernel.org/trace/ftrace-design.html */
UNUSED(frompc);
UNUSED(selfpc);
}