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Chen Jun 77a81b10f8 ftrace: Have recordmcount use w8 to read relp->r_info in arm64_is_fake_mcount 
[ Upstream commit 999340d51174ce4141dd723105d4cef872b13ee9 ]

On little endian system, Use aarch64_be(gcc v7.3) downloaded from
linaro.org to build image with CONFIG_CPU_BIG_ENDIAN = y,
CONFIG_FTRACE = y, CONFIG_DYNAMIC_FTRACE = y.

gcc will create symbols of _mcount but recordmcount can not create
mcount_loc for *.o.
aarch64_be-linux-gnu-objdump -r fs/namei.o | grep mcount
00000000000000d0 R_AARCH64_CALL26  _mcount
...
0000000000007190 R_AARCH64_CALL26  _mcount

The reason is than funciton arm64_is_fake_mcount can not work correctly.
A symbol of _mcount in *.o compiled with big endian compiler likes:
00 00 00 2d 00 00 01 1b
w(rp->r_info) will return 0x2d instead of 0x011b. Because w() takes
uint32_t as parameter, which truncates rp->r_info.

Use w8() instead w() to read relp->r_info

Link: https://lkml.kernel.org/r/20210222135840.56250-1-chenjun102@huawei.com

Fixes: ea0eada45632 ("recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64.")
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-09 11:09:39 +01:00
..
atomic
locking/atomics: Use sed(1) instead of non-standard head(1) option
2019-06-25 10:17:07 +02:00
basic
kbuild: remove unneeded comments and code from scripts/basic/Makefile
2019-08-29 23:54:29 +09:00
coccinelle
scripts: add dummy report mode to add_namespace.cocci
2020-08-11 15:33:35 +02:00
dtc
scripts/dtc: only append to HOST_EXTRACFLAGS instead of overwriting
2020-10-07 08:01:29 +02:00
gcc-plugins
gcc-common.h: Update for GCC 10
2020-05-27 17:46:24 +02:00
gdb
scripts/gdb: fix lx-symbols 'gdb.error' while loading modules
2020-07-29 10:18:35 +02:00
genksyms
genksyms: convert to SPDX License Identifier for lex.l and parse.y
2019-09-14 11:40:13 +09:00
kconfig
kconfig: fix return value of do_error_if()
2020-12-30 11:51:29 +01:00
ksymoops
Fix dead URLs to ftp.kernel.org
2017-03-28 16:16:52 +02:00
mod
vmlinux.lds.h: Create section for protection against instrumentation
2021-02-17 10:35:16 +01:00
package
kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
2020-09-03 11:27:10 +02:00
selinux
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
tracing
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166
2019-05-30 11:26:39 -07:00
.gitignore
scripts: remove unnecessary ihex2fw and check-lc_ctypes from .gitignore
2018-12-22 00:37:52 +09:00
adjust_autoksyms.sh
kbuild: remove the first line of *.mod files
2019-07-18 02:19:31 +09:00
asn1_compiler.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
bin2c.c
kbuild: move bin2c back to scripts/ from scripts/basic/
2018-07-18 01:18:05 +09:00
bloat-o-meter
bloat-o-meter: ignore __addressable_ symbols
2018-12-28 12:11:44 -08:00
bootgraph.pl
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 391
2019-06-05 17:37:11 +02:00
bpf_helpers_doc.py
bpf: fix script for generating man page on BPF helpers
2019-05-13 01:12:45 +02:00
cc-can-link.sh
bpfilter: check compiler capability in Kconfig
2018-06-28 13:36:39 +09:00
check_extable.sh
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
checkincludes.pl
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
checkkconfigsymbols.py
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166
2019-05-30 11:26:39 -07:00
checkpatch.pl
checkpatch: fix unescaped left brace
2020-12-30 11:51:27 +01:00
checkstack.pl
scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
2019-06-05 02:33:10 +09:00
checksyscalls.sh
checksyscalls: fix up mq_timedreceive and stat exceptions
2019-02-19 21:27:53 +01:00
checkversion.pl
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
clang-version.sh
kbuild: update comment block of scripts/clang-version.sh
2019-03-04 22:34:54 +09:00
cleanfile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cleanpatch
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
coccicheck
coccicheck: return proper error code on fail
2018-08-14 08:58:56 +09:00
config
scripts/config: allow colons in option strings for sed
2020-05-10 10:31:27 +02:00
conmakehash.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 54
2019-05-24 17:36:42 +02:00
const_structs.checkpatch
…
decode_stacktrace.sh
scripts/decode_stacktrace: strip basepath from all paths
2020-07-29 10:18:35 +02:00
decodecode
scripts/decodecode: fix trapping instruction formatting
2020-05-14 07:58:29 +02:00
depmod.sh
depmod: handle the case of /sbin/depmod without /sbin in PATH
2021-01-12 20:16:10 +01:00
diffconfig
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
documentation-file-ref-check
scripts/documentation-file-ref-check: ignore output dir
2019-06-14 14:43:01 -06:00
export_report.pl
modpost: move the namespace field in Module.symvers last
2020-03-25 08:25:55 +01:00
extract_xc3028.pl
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 339
2019-06-05 17:37:07 +02:00
extract-cert.c
…
extract-ikconfig
…
extract-module-sig.pl
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
extract-sys-certs.pl
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
extract-vmlinux
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 378
2019-06-05 17:37:10 +02:00
faddr2line
scripts/faddr2line: fix location of start_kernel in comment
2018-11-18 10:15:09 -08:00
file-size.sh
kbuild: Use ls(1) instead of stat(1) to obtain file size
2018-03-26 02:01:24 +09:00
find-unused-docs.sh
scripts/find-unused-docs: Fix massive false positives
2020-02-11 04:35:23 -08:00
gcc-goto.sh
jump_label: move 'asm goto' support test to Kconfig
2019-01-06 09:46:51 +09:00
gcc-ld
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gcc-plugin.sh
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gcc-version.sh
kbuild: clean up scripts/gcc-version.sh
2019-03-04 22:35:04 +09:00
gcc-x86_32-has-stack-protector.sh
stack-protector: test compiler capability in Kconfig and drop AUTO mode
2018-06-08 18:56:00 +09:00
gcc-x86_64-has-stack-protector.sh
stack-protector: Fix test with 32-bit userland and CONFIG_64BIT=y
2018-06-25 23:21:13 +09:00
gen_compile_commands.py
gen_compile_commands: lower the entry count threshold
2019-07-27 12:18:19 +09:00
gen_ksymdeps.sh
kbuild: simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS
2018-12-01 23:13:14 +09:00
get_abi.pl
doc: ABI scripts: add a SPDX header file
2019-06-21 16:58:37 +02:00
get_dvb_firmware
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
get_maintainer.pl
get_maintainer: add ability to skip moderated mailing lists
2019-07-16 19:23:22 -07:00
gfp-translate
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166
2019-05-30 11:26:39 -07:00
headerdep.pl
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
headers_check.pl
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
headers_install.sh
scripts: headers_install: Exit with error on config leak
2020-06-24 17:50:33 +02:00
insert-sys-cert.c
…
kallsyms.c
scripts/kallsyms: fix definitely-lost memory leak
2020-01-04 19:18:23 +01:00
Kbuild.include
kbuild: improve cc-option to clean up all temporary files
2020-06-30 15:37:05 -04:00
Kconfig.include
kconfig: introduce m32-flag and m64-flag
2020-04-08 09:08:37 +02:00
kernel-doc
kernel-doc: Allow anonymous enum
2019-08-12 15:00:37 -06:00
ld-version.sh
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
leaking_addresses.pl
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 166
2019-05-30 11:26:39 -07:00
Lindent
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
link-vmlinux.sh
bpf: Support llvm-objcopy for vmlinux BTF
2020-06-17 16:40:20 +02:00
Makefile
scripts: set proper OpenSSL include dir also for sign-file
2021-02-26 10:10:27 +01:00
Makefile.asm-generic
kbuild: force all architectures except um to include mandatory-y
2019-03-17 12:56:32 +09:00
Makefile.build
kbuild: avoid split lines in .mod files
2020-12-30 11:50:57 +01:00
Makefile.clean
kbuild: clean up subdir-ymn calculation in Makefile.clean
2019-08-29 23:54:29 +09:00
Makefile.dtbinst
DeviceTree for 4.15:
2017-11-14 18:25:40 -08:00
Makefile.extrawarn
kbuild: Disable -Wpointer-to-enum-cast
2020-03-25 08:25:54 +01:00
Makefile.gcc-plugins
gcc-plugins: structleak: Generalize to all variable types
2019-03-04 09:29:41 -08:00
Makefile.headersinst
kbuild: move headers_check rule to usr/include/Makefile
2020-03-05 16:43:47 +01:00
Makefile.host
kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj)
2019-09-04 23:12:50 +09:00
Makefile.kasan
kasan/arm64: fix CONFIG_KASAN_SW_TAGS && KASAN_INLINE
2019-08-15 13:24:04 +01:00
Makefile.kcov
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Makefile.lib
kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
2020-09-03 11:27:10 +02:00
Makefile.modbuiltin
kbuild: get rid of kernel/ prefix from in-tree modules.{order,builtin}
2019-07-17 22:39:27 +09:00
Makefile.modfinal
kbuild: move modkern_{c,a}flags to Makefile.lib from Makefile.build
2019-08-22 01:14:11 +09:00
Makefile.modinst
kbuild: modinst: read modules.order instead of $(MODVERDIR)/*.mod
2019-07-17 22:39:27 +09:00
Makefile.modpost
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
Makefile.modsign
kbuild: modsign: read modules.order instead of $(MODVERDIR)/*.mod
2019-07-17 22:39:27 +09:00
Makefile.package
kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables
2020-09-03 11:27:10 +02:00
Makefile.ubsan
ubsan: Remove vla bound checks.
2019-05-06 11:12:09 -07:00
makelst
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
markup_oops.pl
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 373
2019-06-05 17:37:10 +02:00
mkcompile_h
Kbuild: Handle PREEMPT_RT for version string and magic
2019-08-14 01:10:42 +09:00
mkmakefile
kbuild: get rid of $(realpath ...) from scripts/mkmakefile
2019-08-29 23:54:29 +09:00
mksysmap
mksysmap: Fix the mismatch of '.L' symbols in System.map
2020-06-24 17:50:19 +02:00
mkuboot.sh
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
module-common.lds
module: set .init_array alignment to 8
2017-03-13 09:40:28 -07:00
modules-check.sh
kbuild: get rid of kernel/ prefix from in-tree modules.{order,builtin}
2019-07-17 22:39:27 +09:00
namespace.pl
namespace: fix namespace.pl script to support relative paths
2019-10-05 15:29:49 +09:00
nsdeps
scripts: add dummy report mode to add_namespace.cocci
2020-08-11 15:33:35 +02:00
objdiff
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 199
2019-05-30 11:29:23 -07:00
parse-maintainers.pl
parse-maintainers: Mark as executable
2020-03-25 08:25:49 +01:00
patch-kernel
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pnmtologo.c
…
profile2linkerlist.pl
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
prune-kernel
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
recordmcount.c
ftrace: Have recordmcount use w8 to read relp->r_info in arm64_is_fake_mcount
2021-03-09 11:09:39 +01:00
recordmcount.h
recordmcount: support >64k sections
2020-06-30 15:37:05 -04:00
recordmcount.pl
scripts/recordmcount.pl: support big endian for ARCH sh
2021-02-26 10:10:28 +01:00
setlocalversion
scripts/setlocalversion: make git describe output more reliable
2020-11-01 12:01:01 +01:00
show_delta
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 438
2019-06-05 17:37:17 +02:00
sign-file.c
sign-file: fix build error in sign-file.c with libressl
2017-02-10 12:43:47 +11:00
sortextable.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 378
2019-06-05 17:37:10 +02:00
sortextable.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 378
2019-06-05 17:37:10 +02:00
spdxcheck-test.sh
scripts: add spdxcheck.py self test
2018-12-28 12:11:44 -08:00
spdxcheck.py
spdxcheck.py: fix directory structures
2019-06-01 15:51:31 -07:00
spelling.txt
scripts/spelling.txt: add more spellings to spelling.txt
2019-07-12 11:05:41 -07:00
sphinx-pre-install
scripts/sphinx-pre-install: seek for Noto CJK fonts for pdf output
2019-07-17 06:57:52 -03:00
split-man.pl
MAINTAINERS & files: Canonize the e-mails I use at files
2018-05-04 06:21:06 -04:00
stackdelta
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
stackusage
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
subarch.include
selftests: add headers_install to lib.mk
2018-09-05 08:12:09 -06:00
tags.sh
kbuild: add a flag to force absolute path for srctree
2019-07-11 00:05:09 +09:00
tools-support-relr.sh
scripts/tools-support-relr.sh: un-quote variables
2019-11-13 10:52:05 +00:00
unifdef.c
unifdef: use memcpy instead of strncpy
2018-11-30 14:45:01 -08:00
ver_linux
ver_linux: Assign constant RE to variable name for clarity
2019-01-22 13:34:35 +01:00
xen-hypercalls.sh
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xz_wrap.sh
kbuild: add variables for compression tools
2020-09-03 11:27:10 +02:00