From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/tools/perf/util/genelf.c | 72 +++++++++++-------------------------
1 files changed, 22 insertions(+), 50 deletions(-)
diff --git a/kernel/tools/perf/util/genelf.c b/kernel/tools/perf/util/genelf.c
index aafbe54..02cd9f7 100644
--- a/kernel/tools/perf/util/genelf.c
+++ b/kernel/tools/perf/util/genelf.c
@@ -1,41 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* genelf.c
* Copyright (C) 2014, Google, Inc
*
* Contributed by:
* Stephane Eranian <eranian@gmail.com>
- *
- * Released under the GPL v2. (and only v2, not any later version)
*/
#include <sys/types.h>
-#include <stdio.h>
-#include <getopt.h>
#include <stddef.h>
#include <libelf.h>
#include <string.h>
#include <stdlib.h>
+#include <unistd.h>
#include <inttypes.h>
-#include <limits.h>
#include <fcntl.h>
#include <err.h>
#ifdef HAVE_DWARF_SUPPORT
#include <dwarf.h>
#endif
-#include "perf.h"
#include "genelf.h"
#include "../util/jitdump.h"
+#include <linux/compiler.h>
#ifndef NT_GNU_BUILD_ID
#define NT_GNU_BUILD_ID 3
#endif
-#define JVMTI
-
#define BUILD_ID_URANDOM /* different uuid for each run */
-#ifdef HAVE_LIBCRYPTO
+// FIXME, remove this and fix the deprecation warnings before its removed and
+// We'll break for good here...
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+#ifdef HAVE_LIBCRYPTO_SUPPORT
#define BUILD_ID_MD5
#undef BUILD_ID_SHA /* does not seem to work well when linked with Java */
@@ -252,6 +251,7 @@
Elf_Data *d;
Elf_Scn *scn;
Elf_Ehdr *ehdr;
+ Elf_Phdr *phdr;
Elf_Shdr *shdr;
uint64_t eh_frame_base_offset;
char *strsym = NULL;
@@ -285,6 +285,19 @@
ehdr->e_entry = GEN_ELF_TEXT_OFFSET;
ehdr->e_version = EV_CURRENT;
ehdr->e_shstrndx= unwinding ? 4 : 2; /* shdr index for section name */
+
+ /*
+ * setup program header
+ */
+ phdr = elf_newphdr(e, 1);
+ phdr[0].p_type = PT_LOAD;
+ phdr[0].p_offset = 0;
+ phdr[0].p_vaddr = 0;
+ phdr[0].p_paddr = 0;
+ phdr[0].p_filesz = csize;
+ phdr[0].p_memsz = csize;
+ phdr[0].p_flags = PF_X | PF_R;
+ phdr[0].p_align = 8;
/*
* setup text section
@@ -511,44 +524,3 @@
return retval;
}
-
-#ifndef JVMTI
-
-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 */
-};
-
-static struct options options;
-
-int main(int argc, char **argv)
-{
- int c, fd, ret;
-
- while ((c = getopt(argc, argv, "o:h")) != -1) {
- switch (c) {
- case 'o':
- options.output = optarg;
- break;
- case 'h':
- printf("Usage: genelf -o output_file [-h]\n");
- return 0;
- default:
- errx(1, "unknown option");
- }
- }
-
- fd = open(options.output, O_CREAT|O_TRUNC|O_RDWR, 0666);
- if (fd == -1)
- err(1, "cannot create file %s", options.output);
-
- ret = jit_write_elf(fd, "main", x86_code, sizeof(x86_code));
- close(fd);
-
- if (ret != 0)
- unlink(options.output);
-
- return ret;
-}
-#endif
--
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