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Merge remote-tracking branch 'Kernel/master'

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EnderIce2
2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
468 changed files with 112800 additions and 1 deletions
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Kernel/profiling/gcov.cpp Normal file
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/*
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;
#if BITS_PER_LONG >= 64
typedef long gcov_type;
#else
typedef long long gcov_type;
#endif
struct gcov_fn_info
{
unsigned int ident;
unsigned int checksum;
unsigned int n_ctrs[0];
};
struct gcov_ctr_info
{
unsigned int num;
gcov_type *values;
void (*merge)(gcov_type *, unsigned int);
};
struct gcov_info
{
unsigned int version;
struct gcov_info *next;
unsigned int stamp;
const char *filename;
unsigned int n_functions;
const struct gcov_fn_info *functions;
unsigned int ctr_mask;
struct gcov_ctr_info counts[0];
};
static inline nsa NIF void gcov_uart_wrapper(char c, void *unused)
{
UART(COM2).Write(c);
UNUSED(unused);
}
// TODO: Implement
EXTERNC nsa NIF void __gcov_init(gcov_info *p __unused)
{
}
EXTERNC nsa NIF void __gcov_exit(void)
{
}
EXTERNC nsa NIF void __gcov_flush(void)
{
}
EXTERNC nsa NIF void __gcov_merge_add(gcov_type *counters, unsigned int n_counters)
{
UNUSED(counters);
UNUSED(n_counters);
}
EXTERNC nsa NIF void __gcov_merge_single(gcov_type *counters, unsigned int n_counters)
{
UNUSED(counters);
UNUSED(n_counters);
}