Mr.X

// SPDX-License-Identifier: GPL-2.0-only
/*
 * recordmcount.c: construct a table of the locations of calls to 'mcount'
 * so that ftrace can find them quickly.
 * Copyright 2009 John F. Reiser <jreiser@BitWagon.com>.  All rights reserved.
 *
 * Restructured to fit Linux format, as well as other updates:
 *  Copyright 2010 Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
 */

/*
 * Strategy: alter the .o file in-place.
 *
 * Append a new STRTAB that has the new section names, followed by a new array
 * ElfXX_Shdr[] that has the new section headers, followed by the section
 * contents for __mcount_loc and its relocations.  The old shstrtab strings,
 * and the old ElfXX_Shdr[] array, remain as "garbage" (commonly, a couple
 * kilobytes.)  Subsequent processing by /bin/ld (or the kernel module loader)
 * will ignore the garbage regions, because they are not designated by the
 * new .e_shoff nor the new ElfXX_Shdr[].  [In order to remove the garbage,
 * then use "ld -r" to create a new file that omits the garbage.]
 */

#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <getopt.h>
#include <elf.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#ifndef EM_AARCH64
#define EM_AARCH64	183
#define R_AARCH64_NONE		0
#define R_AARCH64_ABS64	257
#endif

#define R_ARM_PC24		1
#define R_ARM_THM_CALL		10
#define R_ARM_CALL		28

#define R_AARCH64_CALL26	283

static int fd_map;	/* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
static char gpfx;	/* prefix for global symbol name (sometimes '_') */
static struct stat sb;	/* Remember .st_size, etc. */
static const char *altmcount;	/* alternate mcount symbol name */
static int warn_on_notrace_sect; /* warn when section has mcount not being recorded */
static void *file_map;	/* pointer of the mapped file */
static void *file_end;	/* pointer to the end of the mapped file */
static int file_updated; /* flag to state file was changed */
static void *file_ptr;	/* current file pointer location */

static void *file_append; /* added to the end of the file */
static size_t file_append_size; /* how much is added to end of file */

/* Per-file resource cleanup when multiple files. */
static void file_append_cleanup(void)
{
	free(file_append);
	file_append = NULL;
	file_append_size = 0;
	file_updated = 0;
}

static void mmap_cleanup(void)
{
	if (!mmap_failed)
		munmap(file_map, sb.st_size);
	else
		free(file_map);
	file_map = NULL;
}

/* ulseek, uwrite, ...:  Check return value for errors. */

static off_t ulseek(off_t const offset, int const whence)
{
	switch (whence) {
	case SEEK_SET:
		file_ptr = file_map + offset;
		break;
	case SEEK_CUR:
		file_ptr += offset;
		break;
	case SEEK_END:
		file_ptr = file_map + (sb.st_size - offset);
		break;
	}
	if (file_ptr < file_map) {
		fprintf(stderr, "lseek: seek before file\n");
		return -1;
	}
	return file_ptr - file_map;
}

static ssize_t uwrite(void const *const buf, size_t const count)
{
	size_t cnt = count;
	off_t idx = 0;

	file_updated = 1;

	if (file_ptr + count >= file_end) {
		off_t aoffset = (file_ptr + count) - file_end;

		if (aoffset > file_append_size) {
			file_append = realloc(file_append, aoffset);
			file_append_size = aoffset;
		}
		if (!file_append) {
			perror("write");
			file_append_cleanup();
			mmap_cleanup();
			return -1;
		}
		if (file_ptr < file_end) {
			cnt = file_end - file_ptr;
		} else {
			cnt = 0;
			idx = aoffset - count;
		}
	}

	if (cnt)
		memcpy(file_ptr, buf, cnt);

	if (cnt < count)
		memcpy(file_append + idx, buf + cnt, count - cnt);

	file_ptr += count;
	return count;
}

static void * umalloc(size_t size)
{
	void *const addr = malloc(size);
	if (addr == 0) {
		fprintf(stderr, "malloc failed: %zu bytes\n", size);
		file_append_cleanup();
		mmap_cleanup();
		return NULL;
	}
	return addr;
}

/*
 * Get the whole file as a programming convenience in order to avoid
 * malloc+lseek+read+free of many pieces.  If successful, then mmap
 * avoids copying unused pieces; else just read the whole file.
 * Open for both read and write; new info will be appended to the file.
 * Use MAP_PRIVATE so that a few changes to the in-memory ElfXX_Ehdr
 * do not propagate to the file until an explicit overwrite at the last.
 * This preserves most aspects of consistency (all except .st_size)
 * for simultaneous readers of the file while we are appending to it.
 * However, multiple writers still are bad.  We choose not to use
 * locking because it is expensive and the use case of kernel build
 * makes multiple writers unlikely.
 */
static void *mmap_file(char const *fname)
{
	/* Avoid problems if early cleanup() */
	fd_map = -1;
	mmap_failed = 1;
	file_map = NULL;
	file_ptr = NULL;
	file_updated = 0;
	sb.st_size = 0;

	fd_map = open(fname, O_RDONLY);
	if (fd_map < 0) {
		perror(fname);
		return NULL;
	}
	if (fstat(fd_map, &sb) < 0) {
		perror(fname);
		goto out;
	}
	if (!S_ISREG(sb.st_mode)) {
		fprintf(stderr, "not a regular file: %s\n", fname);
		goto out;
	}
	file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
			fd_map, 0);
	if (file_map == MAP_FAILED) {
		mmap_failed = 1;
		file_map = umalloc(sb.st_size);
		if (!file_map) {
			perror(fname);
			goto out;
		}
		if (read(fd_map, file_map, sb.st_size) != sb.st_size) {
			perror(fname);
			free(file_map);
			file_map = NULL;
			goto out;
		}
	} else
		mmap_failed = 0;
out:
	close(fd_map);
	fd_map = -1;

	file_end = file_map + sb.st_size;

	return file_map;
}


static unsigned char ideal_nop5_x86_64[5] = { 0x0f, 0x1f, 0x44, 0x00, 0x00 };
static unsigned char ideal_nop5_x86_32[5] = { 0x3e, 0x8d, 0x74, 0x26, 0x00 };
static unsigned char *ideal_nop;

static char rel_type_nop;

static int (*make_nop)(void *map, size_t const offset);

static int make_nop_x86(void *map, size_t const offset)
{
	uint32_t *ptr;
	unsigned char *op;

	/* Confirm we have 0xe8 0x0 0x0 0x0 0x0 */
	ptr = map + offset;
	if (*ptr != 0)
		return -1;

	op = map + offset - 1;
	if (*op != 0xe8)
		return -1;

	/* convert to nop */
	if (ulseek(offset - 1, SEEK_SET) < 0)
		return -1;
	if (uwrite(ideal_nop, 5) < 0)
		return -1;
	return 0;
}

static unsigned char ideal_nop4_arm_le[4] = { 0x00, 0x00, 0xa0, 0xe1 }; /* mov r0, r0 */
static unsigned char ideal_nop4_arm_be[4] = { 0xe1, 0xa0, 0x00, 0x00 }; /* mov r0, r0 */
static unsigned char *ideal_nop4_arm;

static unsigned char bl_mcount_arm_le[4] = { 0xfe, 0xff, 0xff, 0xeb }; /* bl */
static unsigned char bl_mcount_arm_be[4] = { 0xeb, 0xff, 0xff, 0xfe }; /* bl */
static unsigned char *bl_mcount_arm;

static unsigned char push_arm_le[4] = { 0x04, 0xe0, 0x2d, 0xe5 }; /* push {lr} */
static unsigned char push_arm_be[4] = { 0xe5, 0x2d, 0xe0, 0x04 }; /* push {lr} */
static unsigned char *push_arm;

static unsigned char ideal_nop2_thumb_le[2] = { 0x00, 0xbf }; /* nop */
static unsigned char ideal_nop2_thumb_be[2] = { 0xbf, 0x00 }; /* nop */
static unsigned char *ideal_nop2_thumb;

static unsigned char push_bl_mcount_thumb_le[6] = { 0x00, 0xb5, 0xff, 0xf7, 0xfe, 0xff }; /* push {lr}, bl */
static unsigned char push_bl_mcount_thumb_be[6] = { 0xb5, 0x00, 0xf7, 0xff, 0xff, 0xfe }; /* push {lr}, bl */
static unsigned char *push_bl_mcount_thumb;

static int make_nop_arm(void *map, size_t const offset)
{
	char *ptr;
	int cnt = 1;
	int nop_size;
	size_t off = offset;

	ptr = map + offset;
	if (memcmp(ptr, bl_mcount_arm, 4) == 0) {
		if (memcmp(ptr - 4, push_arm, 4) == 0) {
			off -= 4;
			cnt = 2;
		}
		ideal_nop = ideal_nop4_arm;
		nop_size = 4;
	} else if (memcmp(ptr - 2, push_bl_mcount_thumb, 6) == 0) {
		cnt = 3;
		nop_size = 2;
		off -= 2;
		ideal_nop = ideal_nop2_thumb;
	} else
		return -1;

	/* Convert to nop */
	if (ulseek(off, SEEK_SET) < 0)
		return -1;

	do {
		if (uwrite(ideal_nop, nop_size) < 0)
			return -1;
	} while (--cnt > 0);

	return 0;
}

static unsigned char ideal_nop4_arm64[4] = {0x1f, 0x20, 0x03, 0xd5};
static int make_nop_arm64(void *map, size_t const offset)
{
	uint32_t *ptr;

	ptr = map + offset;
	/* bl <_mcount> is 0x94000000 before relocation */
	if (*ptr != 0x94000000)
		return -1;

	/* Convert to nop */
	if (ulseek(offset, SEEK_SET) < 0)
		return -1;
	if (uwrite(ideal_nop, 4) < 0)
		return -1;
	return 0;
}

static int write_file(const char *fname)
{
	char tmp_file[strlen(fname) + 4];
	size_t n;

	if (!file_updated)
		return 0;

	sprintf(tmp_file, "%s.rc", fname);

	/*
	 * After reading the entire file into memory, delete it
	 * and write it back, to prevent weird side effects of modifying
	 * an object file in place.
	 */
	fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode);
	if (fd_map < 0) {
		perror(fname);
		return -1;
	}
	n = write(fd_map, file_map, sb.st_size);
	if (n != sb.st_size) {
		perror("write");
		close(fd_map);
		return -1;
	}
	if (file_append_size) {
		n = write(fd_map, file_append, file_append_size);
		if (n != file_append_size) {
			perror("write");
			close(fd_map);
			return -1;
		}
	}
	close(fd_map);
	if (rename(tmp_file, fname) < 0) {
		perror(fname);
		return -1;
	}
	return 0;
}

/* w8rev, w8nat, ...: Handle endianness. */

static uint64_t w8rev(uint64_t const x)
{
	return   ((0xff & (x >> (0 * 8))) << (7 * 8))
	       | ((0xff & (x >> (1 * 8))) << (6 * 8))
	       | ((0xff & (x >> (2 * 8))) << (5 * 8))
	       | ((0xff & (x >> (3 * 8))) << (4 * 8))
	       | ((0xff & (x >> (4 * 8))) << (3 * 8))
	       | ((0xff & (x >> (5 * 8))) << (2 * 8))
	       | ((0xff & (x >> (6 * 8))) << (1 * 8))
	       | ((0xff & (x >> (7 * 8))) << (0 * 8));
}

static uint32_t w4rev(uint32_t const x)
{
	return   ((0xff & (x >> (0 * 8))) << (3 * 8))
	       | ((0xff & (x >> (1 * 8))) << (2 * 8))
	       | ((0xff & (x >> (2 * 8))) << (1 * 8))
	       | ((0xff & (x >> (3 * 8))) << (0 * 8));
}

static uint32_t w2rev(uint16_t const x)
{
	return   ((0xff & (x >> (0 * 8))) << (1 * 8))
	       | ((0xff & (x >> (1 * 8))) << (0 * 8));
}

static uint64_t w8nat(uint64_t const x)
{
	return x;
}

static uint32_t w4nat(uint32_t const x)
{
	return x;
}

static uint32_t w2nat(uint16_t const x)
{
	return x;
}

static uint64_t (*w8)(uint64_t);
static uint32_t (*w)(uint32_t);
static uint32_t (*w2)(uint16_t);

/* Names of the sections that could contain calls to mcount. */
static int is_mcounted_section_name(char const *const txtname)
{
	return strncmp(".text",          txtname, 5) == 0 ||
		strcmp(".init.text",     txtname) == 0 ||
		strcmp(".ref.text",      txtname) == 0 ||
		strcmp(".sched.text",    txtname) == 0 ||
		strcmp(".spinlock.text", txtname) == 0 ||
		strcmp(".irqentry.text", txtname) == 0 ||
		strcmp(".softirqentry.text", txtname) == 0 ||
		strcmp(".kprobes.text", txtname) == 0 ||
		strcmp(".cpuidle.text", txtname) == 0;
}

static char const *already_has_rel_mcount = "success"; /* our work here is done! */

/* 32 bit and 64 bit are very similar */
#include "recordmcount.h"
#define RECORD_MCOUNT_64
#include "recordmcount.h"

static int arm_is_fake_mcount(Elf32_Rel const *rp)
{
	switch (ELF32_R_TYPE(w(rp->r_info))) {
	case R_ARM_THM_CALL:
	case R_ARM_CALL:
	case R_ARM_PC24:
		return 0;
	}

	return 1;
}

static int arm64_is_fake_mcount(Elf64_Rel const *rp)
{
	return ELF64_R_TYPE(w8(rp->r_info)) != R_AARCH64_CALL26;
}

/* 64-bit EM_MIPS has weird ELF64_Rela.r_info.
 * http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf
 * We interpret Table 29 Relocation Operation (Elf64_Rel, Elf64_Rela) [p.40]
 * to imply the order of the members; the spec does not say so.
 *	typedef unsigned char Elf64_Byte;
 * fails on MIPS64 because their <elf.h> already has it!
 */

typedef uint8_t myElf64_Byte;		/* Type for a 8-bit quantity.  */

union mips_r_info {
	Elf64_Xword r_info;
	struct {
		Elf64_Word r_sym;		/* Symbol index.  */
		myElf64_Byte r_ssym;		/* Special symbol.  */
		myElf64_Byte r_type3;		/* Third relocation.  */
		myElf64_Byte r_type2;		/* Second relocation.  */
		myElf64_Byte r_type;		/* First relocation.  */
	} r_mips;
};

static uint64_t MIPS64_r_sym(Elf64_Rel const *rp)
{
	return w(((union mips_r_info){ .r_info = rp->r_info }).r_mips.r_sym);
}

static void MIPS64_r_info(Elf64_Rel *const rp, unsigned sym, unsigned type)
{
	rp->r_info = ((union mips_r_info){
		.r_mips = { .r_sym = w(sym), .r_type = type }
	}).r_info;
}

static int do_file(char const *const fname)
{
	unsigned int reltype = 0;
	Elf32_Ehdr *ehdr;
	int rc = -1;

	ehdr = mmap_file(fname);
	if (!ehdr)
		goto out;

	w = w4nat;
	w2 = w2nat;
	w8 = w8nat;
	switch (ehdr->e_ident[EI_DATA]) {
		static unsigned int const endian = 1;
	default:
		fprintf(stderr, "unrecognized ELF data encoding %d: %s\n",
			ehdr->e_ident[EI_DATA], fname);
		goto out;
	case ELFDATA2LSB:
		if (*(unsigned char const *)&endian != 1) {
			/* main() is big endian, file.o is little endian. */
			w = w4rev;
			w2 = w2rev;
			w8 = w8rev;
		}
		ideal_nop4_arm = ideal_nop4_arm_le;
		bl_mcount_arm = bl_mcount_arm_le;
		push_arm = push_arm_le;
		ideal_nop2_thumb = ideal_nop2_thumb_le;
		push_bl_mcount_thumb = push_bl_mcount_thumb_le;
		break;
	case ELFDATA2MSB:
		if (*(unsigned char const *)&endian != 0) {
			/* main() is little endian, file.o is big endian. */
			w = w4rev;
			w2 = w2rev;
			w8 = w8rev;
		}
		ideal_nop4_arm = ideal_nop4_arm_be;
		bl_mcount_arm = bl_mcount_arm_be;
		push_arm = push_arm_be;
		ideal_nop2_thumb = ideal_nop2_thumb_be;
		push_bl_mcount_thumb = push_bl_mcount_thumb_be;
		break;
	}  /* end switch */
	if (memcmp(ELFMAG, ehdr->e_ident, SELFMAG) != 0 ||
	    w2(ehdr->e_type) != ET_REL ||
	    ehdr->e_ident[EI_VERSION] != EV_CURRENT) {
		fprintf(stderr, "unrecognized ET_REL file %s\n", fname);
		goto out;
	}

	gpfx = '_';
	switch (w2(ehdr->e_machine)) {
	default:
		fprintf(stderr, "unrecognized e_machine %u %s\n",
			w2(ehdr->e_machine), fname);
		goto out;
	case EM_386:
		reltype = R_386_32;
		rel_type_nop = R_386_NONE;
		make_nop = make_nop_x86;
		ideal_nop = ideal_nop5_x86_32;
		mcount_adjust_32 = -1;
		gpfx = 0;
		break;
	case EM_ARM:
		reltype = R_ARM_ABS32;
		altmcount = "__gnu_mcount_nc";
		make_nop = make_nop_arm;
		rel_type_nop = R_ARM_NONE;
		is_fake_mcount32 = arm_is_fake_mcount;
		gpfx = 0;
		break;
	case EM_AARCH64:
		reltype = R_AARCH64_ABS64;
		make_nop = make_nop_arm64;
		rel_type_nop = R_AARCH64_NONE;
		ideal_nop = ideal_nop4_arm64;
		is_fake_mcount64 = arm64_is_fake_mcount;
		break;
	case EM_IA_64:	reltype = R_IA64_IMM64; break;
	case EM_MIPS:	/* reltype: e_class    */ break;
	case EM_PPC:	reltype = R_PPC_ADDR32; break;
	case EM_PPC64:	reltype = R_PPC64_ADDR64; break;
	case EM_S390:	/* reltype: e_class    */ break;
	case EM_SH:	reltype = R_SH_DIR32; gpfx = 0; break;
	case EM_SPARCV9: reltype = R_SPARC_64; break;
	case EM_X86_64:
		make_nop = make_nop_x86;
		ideal_nop = ideal_nop5_x86_64;
		reltype = R_X86_64_64;
		rel_type_nop = R_X86_64_NONE;
		mcount_adjust_64 = -1;
		gpfx = 0;
		break;
	}  /* end switch */

	switch (ehdr->e_ident[EI_CLASS]) {
	default:
		fprintf(stderr, "unrecognized ELF class %d %s\n",
			ehdr->e_ident[EI_CLASS], fname);
		goto out;
	case ELFCLASS32:
		if (w2(ehdr->e_ehsize) != sizeof(Elf32_Ehdr)
		||  w2(ehdr->e_shentsize) != sizeof(Elf32_Shdr)) {
			fprintf(stderr,
				"unrecognized ET_REL file: %s\n", fname);
			goto out;
		}
		if (w2(ehdr->e_machine) == EM_MIPS) {
			reltype = R_MIPS_32;
			is_fake_mcount32 = MIPS32_is_fake_mcount;
		}
		if (do32(ehdr, fname, reltype) < 0)
			goto out;
		break;
	case ELFCLASS64: {
		Elf64_Ehdr *const ghdr = (Elf64_Ehdr *)ehdr;
		if (w2(ghdr->e_ehsize) != sizeof(Elf64_Ehdr)
		||  w2(ghdr->e_shentsize) != sizeof(Elf64_Shdr)) {
			fprintf(stderr,
				"unrecognized ET_REL file: %s\n", fname);
			goto out;
		}
		if (w2(ghdr->e_machine) == EM_S390) {
			reltype = R_390_64;
			mcount_adjust_64 = -14;
		}
		if (w2(ghdr->e_machine) == EM_MIPS) {
			reltype = R_MIPS_64;
			Elf64_r_sym = MIPS64_r_sym;
			Elf64_r_info = MIPS64_r_info;
			is_fake_mcount64 = MIPS64_is_fake_mcount;
		}
		if (do64(ghdr, fname, reltype) < 0)
			goto out;
		break;
	}
	}  /* end switch */

	rc = write_file(fname);
out:
	file_append_cleanup();
	mmap_cleanup();
	return rc;
}

int main(int argc, char *argv[])
{
	const char ftrace[] = "/ftrace.o";
	int ftrace_size = sizeof(ftrace) - 1;
	int n_error = 0;  /* gcc-4.3.0 false positive complaint */
	int c;
	int i;

	while ((c = getopt(argc, argv, "w")) >= 0) {
		switch (c) {
		case 'w':
			warn_on_notrace_sect = 1;
			break;
		default:
			fprintf(stderr, "usage: recordmcount [-w] file.o...\n");
			return 0;
		}
	}

	if ((argc - optind) < 1) {
		fprintf(stderr, "usage: recordmcount [-w] file.o...\n");
		return 0;
	}

	/* Process each file in turn, allowing deep failure. */
	for (i = optind; i < argc; i++) {
		char *file = argv[i];
		int len;

		/*
		 * The file kernel/trace/ftrace.o references the mcount
		 * function but does not call it. Since ftrace.o should
		 * not be traced anyway, we just skip it.
		 */
		len = strlen(file);
		if (len >= ftrace_size &&
		    strcmp(file + (len - ftrace_size), ftrace) == 0)
			continue;

		if (do_file(file)) {
			fprintf(stderr, "%s: failed\n", file);
			++n_error;
		}
	}
	return !!n_error;
}

Name	Type	Size	Permission
atomic	Folder		0755
basic	Folder		0755
clang-tools	Folder		0755
coccinelle	Folder		0755
dtc	Folder		0755
dummy-tools	Folder		0755
gcc-plugins	Folder		0755
gdb	Folder		0755
genksyms	Folder		0755
include	Folder		0755
kconfig	Folder		0755
ksymoops	Folder		0755
mod	Folder		0755
package	Folder		0755
selinux	Folder		0755
Kbuild.include	File	10.24 KB	0644
Kconfig.include	File	2.56 KB	0644
Lindent	File	506 B	0755
Makefile	File	1.74 KB	0644
Makefile.asm-generic	File	1.82 KB	0644
Makefile.btf	File	1.07 KB	0644
Makefile.build	File	17.1 KB	0644
Makefile.clean	File	2.02 KB	0644
Makefile.compiler	File	2.79 KB	0644
Makefile.dtbinst	File	998 B	0644
Makefile.extrawarn	File	3.25 KB	0644
Makefile.gcc-plugins	File	2.57 KB	0644
Makefile.headersinst	File	2.88 KB	0644
Makefile.host	File	4.63 KB	0644
Makefile.kasan	File	2.45 KB	0644
Makefile.kcov	File	333 B	0644
Makefile.kcsan	File	1004 B	0644
Makefile.kmsan	File	208 B	0644
Makefile.lib	File	21.16 KB	0644
Makefile.modfinal	File	2.74 KB	0644
Makefile.modinst	File	2.39 KB	0644
Makefile.modpost	File	4.16 KB	0644
Makefile.package	File	6.61 KB	0644
Makefile.randstruct	File	410 B	0644
Makefile.ubsan	File	837 B	0644
Makefile.userprogs	File	1.57 KB	0644
Makefile.vmlinux	File	890 B	0644
Makefile.vmlinux_o	File	2.54 KB	0644
adjust_autoksyms.sh	File	2.11 KB	0755
as-version.sh	File	2.05 KB	0755
asn1_compiler	File	30.13 KB	0755
asn1_compiler.c	File	35.32 KB	0644
bin2c.c	File	743 B	0644
bloat-o-meter	File	3.36 KB	0755
bootgraph.pl	File	5.64 KB	0755
bpf_doc.py	File	31.73 KB	0755
cc-can-link.sh	File	170 B	0755
cc-version.sh	File	1.35 KB	0755
check-sysctl-docs	File	4.37 KB	0755
check_extable.sh	File	4.93 KB	0755
checkdeclares.pl	File	1.1 KB	0644
checkincludes.pl	File	1.94 KB	0755
checkkconfigsymbols.py	File	15.88 KB	0755
checkpatch.pl	File	224.16 KB	0755
checkstack.pl	File	5.9 KB	0755
checksyscalls.sh	File	7.34 KB	0755
checkversion.pl	File	2.15 KB	0755
cleanfile	File	3.46 KB	0755
cleanpatch	File	5.06 KB	0755
coccicheck	File	7.89 KB	0755
config	File	4.67 KB	0755
const_structs.checkpatch	File	1009 B	0644
decode_stacktrace.sh	File	6.56 KB	0755
decodecode	File	2.89 KB	0755
depmod.sh	File	1.41 KB	0755
dev-needs.sh	File	6.08 KB	0755
diffconfig	File	4.12 KB	0755
documentation-file-ref-check	File	5.6 KB	0755
export_report.pl	File	4.49 KB	0755
extract-cert	File	14.12 KB	0755
extract-cert.c	File	3.63 KB	0644
extract-ikconfig	File	1.7 KB	0755
extract-module-sig.pl	File	3.65 KB	0755
extract-sys-certs.pl	File	3.74 KB	0755
extract-vmlinux	File	1.66 KB	0755
extract_xc3028.pl	File	44.61 KB	0755
faddr2line	File	6.16 KB	0755
file-size.sh	File	90 B	0755
find-unused-docs.sh	File	1.28 KB	0755
gcc-ld	File	715 B	0755
gcc-x86_32-has-stack-protector.sh	File	412 B	0755
gcc-x86_64-has-stack-protector.sh	File	202 B	0755
gen_autoksyms.sh	File	1.4 KB	0755
gen_ksymdeps.sh	File	403 B	0755
gen_packed_field_checks.c	File	1.19 KB	0644
generate_initcall_order.pl	File	5.94 KB	0755
generate_rust_target.rs	File	5.26 KB	0644
get_abi.pl	File	15.09 KB	0755
get_dvb_firmware	File	24.54 KB	0755
get_feat.pl	File	14.34 KB	0755
get_maintainer.pl	File	67.13 KB	0755
gfp-translate	File	1.71 KB	0755
headerdep.pl	File	3.5 KB	0755
headers_check.pl	File	3.73 KB	0755
headers_install.sh	File	3.17 KB	0755
insert-sys-cert.c	File	8.87 KB	0644
install.sh	File	990 B	0755
jobserver-exec	File	2.16 KB	0755
kallsyms	File	18.23 KB	0755
kallsyms.c	File	20.38 KB	0644
kernel-doc	File	66.32 KB	0755
ld-version.sh	File	1.67 KB	0755
leaking_addresses.pl	File	12.8 KB	0755
link-vmlinux.sh	File	8.88 KB	0755
makelst	File	812 B	0755
markup_oops.pl	File	7.92 KB	0755
min-tool-version.sh	File	473 B	0755
mkcompile_h	File	2.59 KB	0755
mksysmap	File	1.33 KB	0755
mkuboot.sh	File	418 B	0755
module.lds	File	432 B	0644
module.lds.S	File	1.49 KB	0644
modules-check.sh	File	431 B	0755
nsdeps	File	1.63 KB	0644
objdiff	File	2.83 KB	0755
objdump-func	File	715 B	0755
pahole-version.sh	File	273 B	0755
parse-maintainers.pl	File	4.54 KB	0755
patch-kernel	File	9.95 KB	0755
profile2linkerlist.pl	File	410 B	0755
prune-kernel	File	712 B	0755
recordmcount.c	File	16.69 KB	0644
recordmcount.h	File	19.37 KB	0644
recordmcount.pl	File	17.61 KB	0755
remove-stale-files	File	1.35 KB	0755
setlocalversion	File	3.59 KB	0755
show_delta	File	3.01 KB	0755
sign-file	File	22.16 KB	0755
sign-file.c	File	9.93 KB	0644
sorttable	File	22.12 KB	0755
sorttable.c	File	7.62 KB	0644
sorttable.h	File	12.85 KB	0644
spdxcheck-test.sh	File	323 B	0644
spelling.txt	File	31.92 KB	0644
sphinx-pre-install	File	24.29 KB	0755
split-man.pl	File	600 B	0755
stackdelta	File	1.84 KB	0755
stackusage	File	798 B	0755
subarch.include	File	641 B	0644
syscallhdr.sh	File	1.89 KB	0755
syscallnr.sh	File	1.45 KB	0644
syscalltbl.sh	File	1.46 KB	0755
tags.sh	File	9.66 KB	0755
test_fortify.sh	File	2.23 KB	0644
tools-support-relr.sh	File	550 B	0755
unifdef	File	34.12 KB	0755
unifdef.c	File	34.8 KB	0644
ver_linux	File	2.59 KB	0755
xen-hypercalls.sh	File	386 B	0644
xz_wrap.sh	File	567 B	0755

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