Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-only
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <linux/compiler.h>
 
#include "debug.h"
#include "tests.h"
 
#ifdef HAVE_JITDUMP
#include <libelf.h>
#include "../util/genelf.h"
#endif
 
#define TEMPL "/tmp/perf-test-XXXXXX"
 
int test__jit_write_elf(struct test *test __maybe_unused,
<------><------><------>int subtest __maybe_unused)
{
#ifdef HAVE_JITDUMP
<------>static unsigned char x86_code[] = {
<------><------>0xBB, 0x2A, 0x00, 0x00, 0x00, /* movl $42, %ebx */
<------><------>0xB8, 0x01, 0x00, 0x00, 0x00, /* movl $1, %eax */
<------><------>0xCD, 0x80            /* int $0x80 */
<------>};
<------>char path[PATH_MAX];
<------>int fd, ret;
 
<------>strcpy(path, TEMPL);
 
<------>fd = mkstemp(path);
<------>if (fd < 0) {
<------><------>perror("mkstemp failed");
<------><------>return TEST_FAIL;
<------>}
 
<------>pr_info("Writing jit code to: %s\n", path);
 
<------>ret = jit_write_elf(fd, 0, "main", x86_code, sizeof(x86_code),
<------><------><------>NULL, 0, NULL, 0, 0);
<------>close(fd);
 
<------>unlink(path);
 
<------>return ret ? TEST_FAIL : 0;
#else
<------>return TEST_SKIP;
#endif
}