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-rw-r--r--scripts/Makefile.clang5
-rw-r--r--scripts/Makefile.gcc-plugins4
-rw-r--r--scripts/Makefile.kasan3
-rw-r--r--scripts/Makefile.modpost2
-rwxr-xr-xscripts/checkkconfigsymbols.py11
-rwxr-xr-xscripts/checksyscalls.sh6
-rwxr-xr-xscripts/clang-tools/gen_compile_commands.py1
-rw-r--r--scripts/gcc-plugins/arm_ssp_per_task_plugin.c27
-rwxr-xr-xscripts/min-tool-version.sh8
-rwxr-xr-xscripts/recordmcount.pl2
-rw-r--r--scripts/sorttable.c4
11 files changed, 32 insertions, 41 deletions
diff --git a/scripts/Makefile.clang b/scripts/Makefile.clang
index 4cce8fd0779c..51fc23e2e9e5 100644
--- a/scripts/Makefile.clang
+++ b/scripts/Makefile.clang
@@ -29,7 +29,12 @@ CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COMPILE))
else
CLANG_FLAGS += -fintegrated-as
endif
+# By default, clang only warns when it encounters an unknown warning flag or
+# certain optimization flags it knows it has not implemented.
+# Make it behave more like gcc by erroring when these flags are encountered
+# so they can be implemented or wrapped in cc-option.
CLANG_FLAGS += -Werror=unknown-warning-option
+CLANG_FLAGS += -Werror=ignored-optimization-argument
KBUILD_CFLAGS += $(CLANG_FLAGS)
KBUILD_AFLAGS += $(CLANG_FLAGS)
export CLANG_FLAGS
diff --git a/scripts/Makefile.gcc-plugins b/scripts/Makefile.gcc-plugins
index 952e46876329..4aad28480035 100644
--- a/scripts/Makefile.gcc-plugins
+++ b/scripts/Makefile.gcc-plugins
@@ -19,6 +19,10 @@ gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF) \
+= -fplugin-arg-structleak_plugin-byref
gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL) \
+= -fplugin-arg-structleak_plugin-byref-all
+ifdef CONFIG_GCC_PLUGIN_STRUCTLEAK
+ DISABLE_STRUCTLEAK_PLUGIN += -fplugin-arg-structleak_plugin-disable
+endif
+export DISABLE_STRUCTLEAK_PLUGIN
gcc-plugin-cflags-$(CONFIG_GCC_PLUGIN_STRUCTLEAK) \
+= -DSTRUCTLEAK_PLUGIN
diff --git a/scripts/Makefile.kasan b/scripts/Makefile.kasan
index 801c415bac59..b9e94c5e7097 100644
--- a/scripts/Makefile.kasan
+++ b/scripts/Makefile.kasan
@@ -33,10 +33,11 @@ else
CFLAGS_KASAN := $(CFLAGS_KASAN_SHADOW) \
$(call cc-param,asan-globals=1) \
$(call cc-param,asan-instrumentation-with-call-threshold=$(call_threshold)) \
- $(call cc-param,asan-stack=$(stack_enable)) \
$(call cc-param,asan-instrument-allocas=1)
endif
+CFLAGS_KASAN += $(call cc-param,asan-stack=$(stack_enable))
+
endif # CONFIG_KASAN_GENERIC
ifdef CONFIG_KASAN_SW_TAGS
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index eef56d629799..48585c4d04ad 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -13,7 +13,7 @@
# Stage 2 is handled by this file and does the following
# 1) Find all modules listed in modules.order
# 2) modpost is then used to
-# 3) create one <module>.mod.c file pr. module
+# 3) create one <module>.mod.c file per module
# 4) create one Module.symvers file with CRC for all exported symbols
# Step 3 is used to place certain information in the module's ELF
diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py
index b9b0f15e5880..217d21abc86e 100755
--- a/scripts/checkkconfigsymbols.py
+++ b/scripts/checkkconfigsymbols.py
@@ -34,7 +34,6 @@ REGEX_SOURCE_SYMBOL = re.compile(SOURCE_SYMBOL)
REGEX_KCONFIG_DEF = re.compile(DEF)
REGEX_KCONFIG_EXPR = re.compile(EXPR)
REGEX_KCONFIG_STMT = re.compile(STMT)
-REGEX_KCONFIG_HELP = re.compile(r"^\s+help\s*$")
REGEX_FILTER_SYMBOLS = re.compile(r"[A-Za-z0-9]$")
REGEX_NUMERIC = re.compile(r"0[xX][0-9a-fA-F]+|[0-9]+")
REGEX_QUOTES = re.compile("(\"(.*?)\")")
@@ -102,6 +101,9 @@ def parse_options():
"continue.")
if args.commit:
+ if args.commit.startswith('HEAD'):
+ sys.exit("The --commit option can't use the HEAD ref")
+
args.find = False
if args.ignore:
@@ -432,7 +434,6 @@ def parse_kconfig_file(kfile):
lines = []
defined = []
references = []
- skip = False
if not os.path.exists(kfile):
return defined, references
@@ -448,12 +449,6 @@ def parse_kconfig_file(kfile):
if REGEX_KCONFIG_DEF.match(line):
symbol_def = REGEX_KCONFIG_DEF.findall(line)
defined.append(symbol_def[0])
- skip = False
- elif REGEX_KCONFIG_HELP.match(line):
- skip = True
- elif skip:
- # ignore content of help messages
- pass
elif REGEX_KCONFIG_STMT.match(line):
line = REGEX_QUOTES.sub("", line)
symbols = get_symbols_in_line(line)
diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
index fd9777f63f14..9dbab13329fa 100755
--- a/scripts/checksyscalls.sh
+++ b/scripts/checksyscalls.sh
@@ -82,10 +82,8 @@ cat << EOF
#define __IGNORE_truncate64
#define __IGNORE_stat64
#define __IGNORE_lstat64
-#define __IGNORE_fstat64
#define __IGNORE_fcntl64
#define __IGNORE_fadvise64_64
-#define __IGNORE_fstatat64
#define __IGNORE_fstatfs64
#define __IGNORE_statfs64
#define __IGNORE_llseek
@@ -253,6 +251,10 @@ cat << EOF
#define __IGNORE_getpmsg
#define __IGNORE_putpmsg
#define __IGNORE_vserver
+
+/* 64-bit ports never needed these, and new 32-bit ports can use statx */
+#define __IGNORE_fstat64
+#define __IGNORE_fstatat64
EOF
}
diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py
index 0033eedce003..1d1bde1fd45e 100755
--- a/scripts/clang-tools/gen_compile_commands.py
+++ b/scripts/clang-tools/gen_compile_commands.py
@@ -13,6 +13,7 @@ import logging
import os
import re
import subprocess
+import sys
_DEFAULT_OUTPUT = 'compile_commands.json'
_DEFAULT_LOG_LEVEL = 'WARNING'
diff --git a/scripts/gcc-plugins/arm_ssp_per_task_plugin.c b/scripts/gcc-plugins/arm_ssp_per_task_plugin.c
index 8c1af9bdcb1b..7328d037f975 100644
--- a/scripts/gcc-plugins/arm_ssp_per_task_plugin.c
+++ b/scripts/gcc-plugins/arm_ssp_per_task_plugin.c
@@ -4,7 +4,7 @@
__visible int plugin_is_GPL_compatible;
-static unsigned int sp_mask, canary_offset;
+static unsigned int canary_offset;
static unsigned int arm_pertask_ssp_rtl_execute(void)
{
@@ -13,7 +13,7 @@ static unsigned int arm_pertask_ssp_rtl_execute(void)
for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) {
const char *sym;
rtx body;
- rtx mask, masked_sp;
+ rtx current;
/*
* Find a SET insn involving a SYMBOL_REF to __stack_chk_guard
@@ -30,19 +30,13 @@ static unsigned int arm_pertask_ssp_rtl_execute(void)
/*
* Replace the source of the SET insn with an expression that
- * produces the address of the copy of the stack canary value
- * stored in struct thread_info
+ * produces the address of the current task's stack canary value
*/
- mask = GEN_INT(sext_hwi(sp_mask, GET_MODE_PRECISION(Pmode)));
- masked_sp = gen_reg_rtx(Pmode);
+ current = gen_reg_rtx(Pmode);
- emit_insn_before(gen_rtx_set(masked_sp,
- gen_rtx_AND(Pmode,
- stack_pointer_rtx,
- mask)),
- insn);
+ emit_insn_before(gen_load_tp_hard(current), insn);
- SET_SRC(body) = gen_rtx_PLUS(Pmode, masked_sp,
+ SET_SRC(body) = gen_rtx_PLUS(Pmode, current,
GEN_INT(canary_offset));
}
return 0;
@@ -72,7 +66,6 @@ __visible int plugin_init(struct plugin_name_args *plugin_info,
const char * const plugin_name = plugin_info->base_name;
const int argc = plugin_info->argc;
const struct plugin_argument *argv = plugin_info->argv;
- int tso = 0;
int i;
if (!plugin_default_version_check(version, &gcc_version)) {
@@ -91,11 +84,6 @@ __visible int plugin_init(struct plugin_name_args *plugin_info,
return 1;
}
- if (!strcmp(argv[i].key, "tso")) {
- tso = atoi(argv[i].value);
- continue;
- }
-
if (!strcmp(argv[i].key, "offset")) {
canary_offset = atoi(argv[i].value);
continue;
@@ -105,9 +93,6 @@ __visible int plugin_init(struct plugin_name_args *plugin_info,
return 1;
}
- /* create the mask that produces the base of the stack */
- sp_mask = ~((1U << (12 + tso)) - 1);
-
PASS_INFO(arm_pertask_ssp_rtl, "expand", 1, PASS_POS_INSERT_AFTER);
register_callback(plugin_info->base_name, PLUGIN_PASS_MANAGER_SETUP,
diff --git a/scripts/min-tool-version.sh b/scripts/min-tool-version.sh
index 319f92104f56..4edc708baa63 100755
--- a/scripts/min-tool-version.sh
+++ b/scripts/min-tool-version.sh
@@ -17,13 +17,7 @@ binutils)
echo 2.23.0
;;
gcc)
- # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293
- # https://lore.kernel.org/r/20210107111841.GN1551@shell.armlinux.org.uk
- if [ "$SRCARCH" = arm64 ]; then
- echo 5.1.0
- else
- echo 4.9.0
- fi
+ echo 5.1.0
;;
icc)
# temporary
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index 8f6b13ae46bf..7d631aaa0ae1 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -189,7 +189,7 @@ if ($arch =~ /(x86(_64)?)|(i386)/) {
$local_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\S+)";
$weak_regex = "^[0-9a-fA-F]+\\s+([wW])\\s+(\\S+)";
$section_regex = "Disassembly of section\\s+(\\S+):";
-$function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";
+$function_regex = "^([0-9a-fA-F]+)\\s+<([^^]*?)>:";
$mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s(mcount|__fentry__)\$";
$section_type = '@progbits';
$mcount_adjust = 0;
diff --git a/scripts/sorttable.c b/scripts/sorttable.c
index f355869c65cd..6ee4fa882919 100644
--- a/scripts/sorttable.c
+++ b/scripts/sorttable.c
@@ -54,6 +54,10 @@
#define EM_ARCV2 195
#endif
+#ifndef EM_RISCV
+#define EM_RISCV 243
+#endif
+
static uint32_t (*r)(const uint32_t *);
static uint16_t (*r2)(const uint16_t *);
static uint64_t (*r8)(const uint64_t *);