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-rw-r--r--scripts/.gitignore1
-rw-r--r--scripts/Makefile2
-rwxr-xr-xscripts/checkpatch.pl30
-rw-r--r--scripts/coccinelle/misc/secs_to_jiffies.cocci22
-rwxr-xr-xscripts/decode_stacktrace.sh16
-rw-r--r--scripts/gen_packed_field_checks.c37
-rwxr-xr-xscripts/generate_rust_analyzer.py15
-rwxr-xr-xscripts/kernel-doc4
-rwxr-xr-xscripts/link-vmlinux.sh6
-rwxr-xr-xscripts/mksysmap4
-rw-r--r--scripts/mod/devicetable-offsets.c1
-rw-r--r--scripts/mod/file2alias.c45
-rw-r--r--scripts/mod/modpost.c41
-rw-r--r--scripts/mod/modpost.h17
-rw-r--r--scripts/package/PKGBUILD2
-rwxr-xr-xscripts/package/builddeb6
-rwxr-xr-xscripts/package/mkdebian7
-rwxr-xr-xscripts/rust_is_available.sh6
-rw-r--r--scripts/sorttable.c740
-rw-r--r--scripts/sorttable.h497
-rwxr-xr-xscripts/spdxcheck.py6
-rw-r--r--scripts/spelling.txt37
-rwxr-xr-xscripts/tags.sh11
23 files changed, 918 insertions, 635 deletions
diff --git a/scripts/.gitignore b/scripts/.gitignore
index 3dbb8bb2457b..c2ef68848da5 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
/asn1_compiler
+/gen_packed_field_checks
/generate_rust_target
/insert-sys-cert
/kallsyms
diff --git a/scripts/Makefile b/scripts/Makefile
index 6bcda4b9d054..546e8175e1c4 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -47,7 +47,7 @@ HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLED
endif
# The following programs are only built on demand
-hostprogs += unifdef
+hostprogs += unifdef gen_packed_field_checks
# The module linker script is preprocessed on demand
targets += module.lds
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9eed3683ad76..7b28ad331742 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -834,16 +834,6 @@ foreach my $entry (@mode_permission_funcs) {
$mode_perms_search = "(?:${mode_perms_search})";
our %deprecated_apis = (
- "synchronize_rcu_bh" => "synchronize_rcu",
- "synchronize_rcu_bh_expedited" => "synchronize_rcu_expedited",
- "call_rcu_bh" => "call_rcu",
- "rcu_barrier_bh" => "rcu_barrier",
- "synchronize_sched" => "synchronize_rcu",
- "synchronize_sched_expedited" => "synchronize_rcu_expedited",
- "call_rcu_sched" => "call_rcu",
- "rcu_barrier_sched" => "rcu_barrier",
- "get_state_synchronize_sched" => "get_state_synchronize_rcu",
- "cond_synchronize_sched" => "cond_synchronize_rcu",
"kmap" => "kmap_local_page",
"kunmap" => "kunmap_local",
"kmap_atomic" => "kmap_local_page",
@@ -2875,7 +2865,7 @@ sub process {
if ($realfile =~ m@^include/asm/@) {
ERROR("MODIFIED_INCLUDE_ASM",
- "do not modify files in include/asm, change architecture specific files in include/asm-<architecture>\n" . "$here$rawline\n");
+ "do not modify files in include/asm, change architecture specific files in arch/<architecture>/include/asm\n" . "$here$rawline\n");
}
$found_file = 1;
}
@@ -3230,19 +3220,19 @@ sub process {
my $tag_case = not ($tag eq "Fixes:");
my $tag_space = not ($line =~ /^fixes:? [0-9a-f]{5,40} ($balanced_parens)/i);
- my $id_length = not ($orig_commit =~ /^[0-9a-f]{12}$/i);
+ my $id_length = not ($orig_commit =~ /^[0-9a-f]{12,40}$/i);
my $id_case = not ($orig_commit !~ /[A-F]/);
my $id = "0123456789ab";
my ($cid, $ctitle) = git_commit_info($orig_commit, $id,
$title);
- if ($ctitle ne $title || $tag_case || $tag_space ||
- $id_length || $id_case || !$title_has_quotes) {
+ if (defined($cid) && ($ctitle ne $title || $tag_case || $tag_space || $id_length || $id_case || !$title_has_quotes)) {
+ my $fixed = "Fixes: $cid (\"$ctitle\")";
if (WARN("BAD_FIXES_TAG",
- "Please use correct Fixes: style 'Fixes: <12 chars of sha1> (\"<title line>\")' - ie: 'Fixes: $cid (\"$ctitle\")'\n" . $herecurr) &&
+ "Please use correct Fixes: style 'Fixes: <12+ chars of sha1> (\"<title line>\")' - ie: '$fixed'\n" . $herecurr) &&
$fix) {
- $fixed[$fixlinenr] = "Fixes: $cid (\"$ctitle\")";
+ $fixed[$fixlinenr] = $fixed;
}
}
}
@@ -5513,9 +5503,9 @@ sub process {
}
}
-# check for unnecessary parentheses around comparisons in if uses
-# when !drivers/staging or command-line uses --strict
- if (($realfile !~ m@^(?:drivers/staging/)@ || $check_orig) &&
+# check for unnecessary parentheses around comparisons
+# except in drivers/staging
+ if (($realfile !~ m@^(?:drivers/staging/)@) &&
$perl_version_ok && defined($stat) &&
$stat =~ /(^.\s*if\s*($balanced_parens))/) {
my $if_stat = $1;
@@ -5843,6 +5833,8 @@ sub process {
#CamelCase
if ($var !~ /^$Constant$/ &&
$var =~ /[A-Z][a-z]|[a-z][A-Z]/ &&
+#Ignore C keywords
+ $var !~ /^_Generic$/ &&
#Ignore some autogenerated defines and enum values
$var !~ /^(?:[A-Z]+_){1,5}[A-Z]{1,3}[a-z]/ &&
#Ignore Page<foo> variants
diff --git a/scripts/coccinelle/misc/secs_to_jiffies.cocci b/scripts/coccinelle/misc/secs_to_jiffies.cocci
new file mode 100644
index 000000000000..8bbb2884ea5d
--- /dev/null
+++ b/scripts/coccinelle/misc/secs_to_jiffies.cocci
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+///
+/// Find usages of:
+/// - msecs_to_jiffies(value*1000)
+/// - msecs_to_jiffies(value*MSEC_PER_SEC)
+///
+// Confidence: High
+// Copyright: (C) 2024 Easwar Hariharan, Microsoft
+// Keywords: secs, seconds, jiffies
+//
+
+virtual patch
+
+@depends on patch@ constant C; @@
+
+- msecs_to_jiffies(C * 1000)
++ secs_to_jiffies(C)
+
+@depends on patch@ constant C; @@
+
+- msecs_to_jiffies(C * MSEC_PER_SEC)
++ secs_to_jiffies(C)
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 46fa18b80fc1..17abc4e7a985 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -286,6 +286,18 @@ handle_line() {
last=$(( $last - 1 ))
fi
+ # Extract info after the symbol if present. E.g.:
+ # func_name+0x54/0x80 (P)
+ # ^^^
+ # The regex assumes only uppercase letters will be used. To be
+ # extended if needed.
+ local info_str=""
+ if [[ ${words[$last]} =~ \([A-Z]*\) ]]; then
+ info_str=${words[$last]}
+ unset words[$last]
+ last=$(( $last - 1 ))
+ fi
+
if [[ ${words[$last]} =~ \[([^]]+)\] ]]; then
module=${words[$last]}
# some traces format is "(%pS)", which like "(foo+0x0/0x1 [bar])"
@@ -313,9 +325,9 @@ handle_line() {
# Add up the line number to the symbol
if [[ -z ${module} ]]
then
- echo "${words[@]}" "$symbol"
+ echo "${words[@]}" "$symbol ${info_str}"
else
- echo "${words[@]}" "$symbol $module"
+ echo "${words[@]}" "$symbol $module ${info_str}"
fi
}
diff --git a/scripts/gen_packed_field_checks.c b/scripts/gen_packed_field_checks.c
new file mode 100644
index 000000000000..60042b7616ee
--- /dev/null
+++ b/scripts/gen_packed_field_checks.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2024, Intel Corporation
+#include <stdbool.h>
+#include <stdio.h>
+
+#define MAX_PACKED_FIELD_SIZE 50
+
+int main(int argc, char **argv)
+{
+ /* The first macro doesn't need a 'do {} while(0)' loop */
+ printf("#define CHECK_PACKED_FIELDS_1(fields) \\\n");
+ printf("\tCHECK_PACKED_FIELD(fields, 0)\n\n");
+
+ /* Remaining macros require a do/while loop, and are implemented
+ * recursively by calling the previous iteration's macro.
+ */
+ for (int i = 2; i <= MAX_PACKED_FIELD_SIZE; i++) {
+ printf("#define CHECK_PACKED_FIELDS_%d(fields) do { \\\n", i);
+ printf("\tCHECK_PACKED_FIELDS_%d(fields); \\\n", i - 1);
+ printf("\tCHECK_PACKED_FIELD(fields, %d); \\\n", i - 1);
+ printf("} while (0)\n\n");
+ }
+
+ printf("#define CHECK_PACKED_FIELDS(fields) \\\n");
+
+ for (int i = 1; i <= MAX_PACKED_FIELD_SIZE; i++)
+ printf("\t__builtin_choose_expr(ARRAY_SIZE(fields) == %d, ({ CHECK_PACKED_FIELDS_%d(fields); }), \\\n",
+ i, i);
+
+ printf("\t({ BUILD_BUG_ON_MSG(1, \"CHECK_PACKED_FIELDS() must be regenerated to support array sizes larger than %d.\"); }) \\\n",
+ MAX_PACKED_FIELD_SIZE);
+
+ for (int i = 1; i <= MAX_PACKED_FIELD_SIZE; i++)
+ printf(")");
+
+ printf("\n");
+}
diff --git a/scripts/generate_rust_analyzer.py b/scripts/generate_rust_analyzer.py
index 09e1d166d8d2..aa8ea1a4dbe5 100755
--- a/scripts/generate_rust_analyzer.py
+++ b/scripts/generate_rust_analyzer.py
@@ -8,6 +8,7 @@ import json
import logging
import os
import pathlib
+import subprocess
import sys
def args_crates_cfgs(cfgs):
@@ -35,8 +36,7 @@ def generate_crates(srctree, objtree, sysroot_src, external_src, cfgs):
crates_cfgs = args_crates_cfgs(cfgs)
def append_crate(display_name, root_module, deps, cfg=[], is_workspace_member=True, is_proc_macro=False):
- crates_indexes[display_name] = len(crates)
- crates.append({
+ crate = {
"display_name": display_name,
"root_module": str(root_module),
"is_workspace_member": is_workspace_member,
@@ -47,7 +47,15 @@ def generate_crates(srctree, objtree, sysroot_src, external_src, cfgs):
"env": {
"RUST_MODFILE": "This is only for rust-analyzer"
}
- })
+ }
+ if is_proc_macro:
+ proc_macro_dylib_name = subprocess.check_output(
+ [os.environ["RUSTC"], "--print", "file-names", "--crate-name", display_name, "--crate-type", "proc-macro", "-"],
+ stdin=subprocess.DEVNULL,
+ ).decode('utf-8').strip()
+ crate["proc_macro_dylib_path"] = f"{objtree}/rust/{proc_macro_dylib_name}"
+ crates_indexes[display_name] = len(crates)
+ crates.append(crate)
# First, the ones in `rust/` since they are a bit special.
append_crate(
@@ -70,7 +78,6 @@ def generate_crates(srctree, objtree, sysroot_src, external_src, cfgs):
[],
is_proc_macro=True,
)
- crates[-1]["proc_macro_dylib_path"] = f"{objtree}/rust/libmacros.so"
append_crate(
"build_error",
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index f66070176ba3..e57c5e989a0a 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -267,7 +267,7 @@ my $doc_inline_sect = '\s*\*\s*(@\s*[\w][\w\.]*\s*):(.*)';
my $doc_inline_end = '^\s*\*/\s*$';
my $doc_inline_oneline = '^\s*/\*\*\s*(@[\w\s]+):\s*(.*)\s*\*/\s*$';
my $export_symbol = '^\s*EXPORT_SYMBOL(_GPL)?\s*\(\s*(\w+)\s*\)\s*;';
-my $export_symbol_ns = '^\s*EXPORT_SYMBOL_NS(_GPL)?\s*\(\s*(\w+)\s*,\s*\w+\)\s*;';
+my $export_symbol_ns = '^\s*EXPORT_SYMBOL_NS(_GPL)?\s*\(\s*(\w+)\s*,\s*"\S+"\)\s*;';
my $function_pointer = qr{([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)};
my $attribute = qr{__attribute__\s*\(\([a-z0-9,_\*\s\(\)]*\)\)}i;
@@ -2085,7 +2085,7 @@ sub process_name($$) {
# Look for foo() or static void foo() - description; or misspelt
# identifier
elsif (/^$decl_start$fn_type?(\w+)\s*$parenthesis?\s*$decl_end?$/ ||
- /^$decl_start$fn_type?(\w+.*)$parenthesis?\s*$decl_end$/) {
+ /^$decl_start$fn_type?(\w+[^-:]*)$parenthesis?\s*$decl_end$/) {
$identifier = $1;
$decl_type = 'function';
$identifier =~ s/^define\s+//;
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index d853ddb3b28c..56a077d204cf 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -283,7 +283,11 @@ vmlinux_link vmlinux
# fill in BTF IDs
if is_enabled CONFIG_DEBUG_INFO_BTF; then
info BTFIDS vmlinux
- ${RESOLVE_BTFIDS} vmlinux
+ RESOLVE_BTFIDS_ARGS=""
+ if is_enabled CONFIG_WERROR; then
+ RESOLVE_BTFIDS_ARGS=" --fatal_warnings "
+ fi
+ ${RESOLVE_BTFIDS} ${RESOLVE_BTFIDS_ARGS} vmlinux
fi
mksysmap vmlinux System.map
diff --git a/scripts/mksysmap b/scripts/mksysmap
index c12723a04655..3accbdb269ac 100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -26,7 +26,7 @@
# (do not forget a space before each pattern)
# local symbols for ARM, MIPS, etc.
-/ \\$/d
+/ \$/d
# local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc.
/ \.L/d
@@ -39,7 +39,7 @@
/ __pi_\.L/d
# arm64 local symbols in non-VHE KVM namespace
-/ __kvm_nvhe_\\$/d
+/ __kvm_nvhe_\$/d
/ __kvm_nvhe_\.L/d
# lld arm/aarch64/mips thunks
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index 9c7b404defbd..d3d00e85edf7 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -237,7 +237,6 @@ int main(void)
DEVID(typec_device_id);
DEVID_FIELD(typec_device_id, svid);
- DEVID_FIELD(typec_device_id, mode);
DEVID(tee_client_device_id);
DEVID_FIELD(tee_client_device_id, uuid);
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 5b5745f00eb3..00586119a25b 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -132,7 +132,8 @@ struct devtable {
* based at address m.
*/
#define DEF_FIELD(m, devid, f) \
- typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f))
+ typeof(((struct devid *)0)->f) f = \
+ get_unaligned_native((typeof(f) *)((m) + OFF_##devid##_##f))
/* Define a variable f that holds the address of field f of struct devid
* based at address m. Due to the way typeof works, for a field of type
@@ -600,7 +601,7 @@ static void do_pnp_card_entry(struct module *mod, void *symval)
static void do_pcmcia_entry(struct module *mod, void *symval)
{
char alias[256] = {};
- unsigned int i;
+
DEF_FIELD(symval, pcmcia_device_id, match_flags);
DEF_FIELD(symval, pcmcia_device_id, manf_id);
DEF_FIELD(symval, pcmcia_device_id, card_id);
@@ -609,10 +610,6 @@ static void do_pcmcia_entry(struct module *mod, void *symval)
DEF_FIELD(symval, pcmcia_device_id, device_no);
DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash);
- for (i=0; i<4; i++) {
- (*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]);
- }
-
ADD(alias, "m", match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID,
manf_id);
ADD(alias, "c", match_flags & PCMCIA_DEV_ID_MATCH_CARD_ID,
@@ -623,10 +620,14 @@ static void do_pcmcia_entry(struct module *mod, void *symval)
function);
ADD(alias, "pfn", match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO,
device_no);
- ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]);
- ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]);
- ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]);
- ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]);
+ ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1,
+ get_unaligned_native(*prod_id_hash + 0));
+ ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2,
+ get_unaligned_native(*prod_id_hash + 1));
+ ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3,
+ get_unaligned_native(*prod_id_hash + 2));
+ ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4,
+ get_unaligned_native(*prod_id_hash + 3));
module_alias_printf(mod, true, "pcmcia:%s", alias);
}
@@ -654,10 +655,9 @@ static void do_input(char *alias,
{
unsigned int i;
- for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++)
- arr[i] = TO_NATIVE(arr[i]);
- for (i = min; i < max; i++)
- if (arr[i / BITS_PER_LONG] & (1ULL << (i%BITS_PER_LONG)))
+ for (i = min; i <= max; i++)
+ if (get_unaligned_native(arr + i / BITS_PER_LONG) &
+ (1ULL << (i % BITS_PER_LONG)))
sprintf(alias + strlen(alias), "%X,*", i);
}
@@ -812,15 +812,13 @@ static void do_virtio_entry(struct module *mod, void *symval)
* Each byte of the guid will be represented by two hex characters
* in the name.
*/
-
static void do_vmbus_entry(struct module *mod, void *symval)
{
- int i;
DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid);
- char guid_name[(sizeof(*guid) + 1) * 2];
+ char guid_name[sizeof(*guid) * 2 + 1];
- for (i = 0; i < (sizeof(*guid) * 2); i += 2)
- sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2]));
+ for (int i = 0; i < sizeof(*guid); i++)
+ sprintf(&guid_name[i * 2], "%02x", guid->b[i]);
module_alias_printf(mod, false, "vmbus:%s", guid_name);
}
@@ -1221,17 +1219,12 @@ static void do_tbsvc_entry(struct module *mod, void *symval)
module_alias_printf(mod, true, "tbsvc:%s", alias);
}
-/* Looks like: typec:idNmN */
+/* Looks like: typec:idN */
static void do_typec_entry(struct module *mod, void *symval)
{
- char alias[256] = {};
-
DEF_FIELD(symval, typec_device_id, svid);
- DEF_FIELD(symval, typec_device_id, mode);
-
- ADD(alias, "m", mode != TYPEC_ANY_MODE, mode);
- module_alias_printf(mod, false, "typec:id%04X%s", svid, alias);
+ module_alias_printf(mod, false, "typec:id%04X", svid);
}
/* Looks like: tee:uuid */
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index fb787a5715f5..7ea59dc4926b 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -155,12 +155,13 @@ char *get_line(char **stringp)
/* A list of all modules we processed */
LIST_HEAD(modules);
-static struct module *find_module(const char *modname)
+static struct module *find_module(const char *filename, const char *modname)
{
struct module *mod;
list_for_each_entry(mod, &modules, list) {
- if (strcmp(mod->name, modname) == 0)
+ if (!strcmp(mod->dump_file, filename) &&
+ !strcmp(mod->name, modname))
return mod;
}
return NULL;
@@ -1137,9 +1138,9 @@ static Elf_Addr addend_386_rel(uint32_t *location, unsigned int r_type)
{
switch (r_type) {
case R_386_32:
- return TO_NATIVE(*location);
+ return get_unaligned_native(location);
case R_386_PC32:
- return TO_NATIVE(*location) + 4;
+ return get_unaligned_native(location) + 4;
}
return (Elf_Addr)(-1);
@@ -1160,24 +1161,24 @@ static Elf_Addr addend_arm_rel(void *loc, Elf_Sym *sym, unsigned int r_type)
switch (r_type) {
case R_ARM_ABS32:
case R_ARM_REL32:
- inst = TO_NATIVE(*(uint32_t *)loc);
+ inst = get_unaligned_native((uint32_t *)loc);
return inst + sym->st_value;
case R_ARM_MOVW_ABS_NC:
case R_ARM_MOVT_ABS:
- inst = TO_NATIVE(*(uint32_t *)loc);
+ inst = get_unaligned_native((uint32_t *)loc);
offset = sign_extend32(((inst & 0xf0000) >> 4) | (inst & 0xfff),
15);
return offset + sym->st_value;
case R_ARM_PC24:
case R_ARM_CALL:
case R_ARM_JUMP24:
- inst = TO_NATIVE(*(uint32_t *)loc);
+ inst = get_unaligned_native((uint32_t *)loc);
offset = sign_extend32((inst & 0x00ffffff) << 2, 25);
return offset + sym->st_value + 8;
case R_ARM_THM_MOVW_ABS_NC:
case R_ARM_THM_MOVT_ABS:
- upper = TO_NATIVE(*(uint16_t *)loc);
- lower = TO_NATIVE(*((uint16_t *)loc + 1));
+ upper = get_unaligned_native((uint16_t *)loc);
+ lower = get_unaligned_native((uint16_t *)loc + 1);
offset = sign_extend32(((upper & 0x000f) << 12) |
((upper & 0x0400) << 1) |
((lower & 0x7000) >> 4) |
@@ -1194,8 +1195,8 @@ static Elf_Addr addend_arm_rel(void *loc, Elf_Sym *sym, unsigned int r_type)
* imm11 = lower[10:0]
* imm32 = SignExtend(S:J2:J1:imm6:imm11:'0')
*/
- upper = TO_NATIVE(*(uint16_t *)loc);
- lower = TO_NATIVE(*((uint16_t *)loc + 1));
+ upper = get_unaligned_native((uint16_t *)loc);
+ lower = get_unaligned_native((uint16_t *)loc + 1);
sign = (upper >> 10) & 1;
j1 = (lower >> 13) & 1;
@@ -1218,8 +1219,8 @@ static Elf_Addr addend_arm_rel(void *loc, Elf_Sym *sym, unsigned int r_type)
* I2 = NOT(J2 XOR S)
* imm32 = SignExtend(S:I1:I2:imm10:imm11:'0')
*/
- upper = TO_NATIVE(*(uint16_t *)loc);
- lower = TO_NATIVE(*((uint16_t *)loc + 1));
+ upper = get_unaligned_native((uint16_t *)loc);
+ lower = get_unaligned_native((uint16_t *)loc + 1);
sign = (upper >> 10) & 1;
j1 = (lower >> 13) & 1;
@@ -1240,7 +1241,7 @@ static Elf_Addr addend_mips_rel(uint32_t *location, unsigned int r_type)
{
uint32_t inst;
- inst = TO_NATIVE(*location);
+ inst = get_unaligned_native(location);
switch (r_type) {
case R_MIPS_LO16:
return inst & 0xffff;
@@ -2030,10 +2031,10 @@ static void read_dump(const char *fname)
continue;
}
- mod = find_module(modname);
+ mod = find_module(fname, modname);
if (!mod) {
mod = new_module(modname, strlen(modname));
- mod->from_dump = true;
+ mod->dump_file = fname;
}
s = sym_add_exported(symname, mod, gpl_only, namespace);
sym_set_crc(s, crc);
@@ -2052,7 +2053,7 @@ static void write_dump(const char *fname)
struct symbol *sym;
list_for_each_entry(mod, &modules, list) {
- if (mod->from_dump)
+ if (mod->dump_file)
continue;
list_for_each_entry(sym, &mod->exported_symbols, list) {
if (trim_unused_exports && !sym->used)
@@ -2076,7 +2077,7 @@ static void write_namespace_deps_files(const char *fname)
list_for_each_entry(mod, &modules, list) {
- if (mod->from_dump || list_empty(&mod->missing_namespaces))
+ if (mod->dump_file || list_empty(&mod->missing_namespaces))
continue;
buf_printf(&ns_deps_buf, "%s.ko:", mod->name);
@@ -2194,7 +2195,7 @@ int main(int argc, char **argv)
read_symbols_from_files(files_source);
list_for_each_entry(mod, &modules, list) {
- if (mod->from_dump || mod->is_vmlinux)
+ if (mod->dump_file || mod->is_vmlinux)
continue;
check_modname_len(mod);
@@ -2205,7 +2206,7 @@ int main(int argc, char **argv)
handle_white_list_exports(unused_exports_white_list);
list_for_each_entry(mod, &modules, list) {
- if (mod->from_dump)
+ if (mod->dump_file)
continue;
if (mod->is_vmlinux)
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 49848fcbe2a1..ffd0a52a606e 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -65,6 +65,20 @@
#define TO_NATIVE(x) \
(target_is_big_endian == host_is_big_endian ? x : bswap(x))
+#define __get_unaligned_t(type, ptr) ({ \
+ const struct { type x; } __attribute__((__packed__)) *__pptr = \
+ (typeof(__pptr))(ptr); \
+ __pptr->x; \
+})
+
+#define get_unaligned(ptr) __get_unaligned_t(typeof(*(ptr)), (ptr))
+
+#define get_unaligned_native(ptr) \
+({ \
+ typeof(*(ptr)) _val = get_unaligned(ptr); \
+ TO_NATIVE(_val); \
+})
+
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
@@ -95,14 +109,15 @@ struct module_alias {
/**
* struct module - represent a module (vmlinux or *.ko)
*
+ * @dump_file: path to the .symvers file if loaded from a file
* @aliases: list head for module_aliases
*/
struct module {
struct list_head list;
struct list_head exported_symbols;
struct list_head unresolved_symbols;
+ const char *dump_file;
bool is_gpl_compatible;
- bool from_dump; /* true if module was loaded from *.symvers */
bool is_vmlinux;
bool seen;
bool has_init;
diff --git a/scripts/package/PKGBUILD b/scripts/package/PKGBUILD
index f83493838cf9..dca706617adc 100644
--- a/scripts/package/PKGBUILD
+++ b/scripts/package/PKGBUILD
@@ -103,7 +103,7 @@ _package-headers() {
_package-api-headers() {
pkgdesc="Kernel headers sanitized for use in userspace"
- provides=(linux-api-headers)
+ provides=(linux-api-headers="${pkgver}")
conflicts=(linux-api-headers)
_prologue
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index fb686fd3266f..ad7aba0f268e 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -63,6 +63,12 @@ install_linux_image () {
esac
cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
+ if [ "${ARCH}" != um ]; then
+ install_maint_scripts "${pdir}"
+ fi
+}
+
+install_maint_scripts () {
# Install the maintainer scripts
# Note: hook scripts under /etc/kernel are also executed by official Debian
# kernel packages, as well as kernel packages built using make-kpkg.
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 4ffcc70f8e31..b038a1380b8a 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -70,6 +70,13 @@ set_debarch() {
debarch=sh4$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb)
fi
;;
+ um)
+ if is_enabled CONFIG_64BIT; then
+ debarch=amd64
+ else
+ debarch=i386
+ fi
+ ;;
esac
if [ -z "$debarch" ]; then
debarch=$(dpkg-architecture -qDEB_HOST_ARCH)
diff --git a/scripts/rust_is_available.sh b/scripts/rust_is_available.sh
index 93c0ef7fb3fb..d2323de0692c 100755
--- a/scripts/rust_is_available.sh
+++ b/scripts/rust_is_available.sh
@@ -123,8 +123,10 @@ fi
# Non-stable and distributions' versions may have a version suffix, e.g. `-dev`.
#
# The dummy parameter `workaround-for-0.69.0` is required to support 0.69.0
-# (https://github.com/rust-lang/rust-bindgen/pull/2678). It can be removed when
-# the minimum version is upgraded past that (0.69.1 already fixed the issue).
+# (https://github.com/rust-lang/rust-bindgen/pull/2678) and 0.71.0
+# (https://github.com/rust-lang/rust-bindgen/pull/3040). It can be removed when
+# the minimum version is upgraded past the latter (0.69.1 and 0.71.1 both fixed
+# the issue).
rust_bindings_generator_output=$( \
LC_ALL=C "$BINDGEN" --version workaround-for-0.69.0 2>/dev/null
) || rust_bindings_generator_code=$?
diff --git a/scripts/sorttable.c b/scripts/sorttable.c
index 83cdb843d92f..9f41575afd7a 100644
--- a/scripts/sorttable.c
+++ b/scripts/sorttable.c
@@ -64,14 +64,204 @@
#define EM_LOONGARCH 258
#endif
+typedef union {
+ Elf32_Ehdr e32;
+ Elf64_Ehdr e64;
+} Elf_Ehdr;
+
+typedef union {
+ Elf32_Shdr e32;
+ Elf64_Shdr e64;
+} Elf_Shdr;
+
+typedef union {
+ Elf32_Sym e32;
+ Elf64_Sym e64;
+} Elf_Sym;
+
static uint32_t (*r)(const uint32_t *);
static uint16_t (*r2)(const uint16_t *);
static uint64_t (*r8)(const uint64_t *);
static void (*w)(uint32_t, uint32_t *);
-static void (*w2)(uint16_t, uint16_t *);
-static void (*w8)(uint64_t, uint64_t *);
typedef void (*table_sort_t)(char *, int);
+static struct elf_funcs {
+ int (*compare_extable)(const void *a, const void *b);
+ uint64_t (*ehdr_shoff)(Elf_Ehdr *ehdr);
+ uint16_t (*ehdr_shstrndx)(Elf_Ehdr *ehdr);
+ uint16_t (*ehdr_shentsize)(Elf_Ehdr *ehdr);
+ uint16_t (*ehdr_shnum)(Elf_Ehdr *ehdr);
+ uint64_t (*shdr_addr)(Elf_Shdr *shdr);
+ uint64_t (*shdr_offset)(Elf_Shdr *shdr);
+ uint64_t (*shdr_size)(Elf_Shdr *shdr);
+ uint64_t (*shdr_entsize)(Elf_Shdr *shdr);
+ uint32_t (*shdr_link)(Elf_Shdr *shdr);
+ uint32_t (*shdr_name)(Elf_Shdr *shdr);
+ uint32_t (*shdr_type)(Elf_Shdr *shdr);
+ uint8_t (*sym_type)(Elf_Sym *sym);
+ uint32_t (*sym_name)(Elf_Sym *sym);
+ uint64_t (*sym_value)(Elf_Sym *sym);
+ uint16_t (*sym_shndx)(Elf_Sym *sym);
+} e;
+
+static uint64_t ehdr64_shoff(Elf_Ehdr *ehdr)
+{
+ return r8(&ehdr->e64.e_shoff);
+}
+
+static uint64_t ehdr32_shoff(Elf_Ehdr *ehdr)
+{
+ return r(&ehdr->e32.e_shoff);
+}
+
+static uint64_t ehdr_shoff(Elf_Ehdr *ehdr)
+{
+ return e.ehdr_shoff(ehdr);
+}
+
+#define EHDR_HALF(fn_name) \
+static uint16_t ehdr64_##fn_name(Elf_Ehdr *ehdr) \
+{ \
+ return r2(&ehdr->e64.e_##fn_name); \
+} \
+ \
+static uint16_t ehdr32_##fn_name(Elf_Ehdr *ehdr) \
+{ \
+ return r2(&ehdr->e32.e_##fn_name); \
+} \
+ \
+static uint16_t ehdr_##fn_name(Elf_Ehdr *ehdr) \
+{ \
+ return e.ehdr_##fn_name(ehdr); \
+}
+
+EHDR_HALF(shentsize)
+EHDR_HALF(shstrndx)
+EHDR_HALF(shnum)
+
+#define SHDR_WORD(fn_name) \
+static uint32_t shdr64_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return r(&shdr->e64.sh_##fn_name); \
+} \
+ \
+static uint32_t shdr32_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return r(&shdr->e32.sh_##fn_name); \
+} \
+ \
+static uint32_t shdr_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return e.shdr_##fn_name(shdr); \
+}
+
+#define SHDR_ADDR(fn_name) \
+static uint64_t shdr64_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return r8(&shdr->e64.sh_##fn_name); \
+} \
+ \
+static uint64_t shdr32_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return r(&shdr->e32.sh_##fn_name); \
+} \
+ \
+static uint64_t shdr_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return e.shdr_##fn_name(shdr); \
+}
+
+#define SHDR_WORD(fn_name) \
+static uint32_t shdr64_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return r(&shdr->e64.sh_##fn_name); \
+} \
+ \
+static uint32_t shdr32_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return r(&shdr->e32.sh_##fn_name); \
+} \
+static uint32_t shdr_##fn_name(Elf_Shdr *shdr) \
+{ \
+ return e.shdr_##fn_name(shdr); \
+}
+
+SHDR_ADDR(addr)
+SHDR_ADDR(offset)
+SHDR_ADDR(size)
+SHDR_ADDR(entsize)
+
+SHDR_WORD(link)
+SHDR_WORD(name)
+SHDR_WORD(type)
+
+#define SYM_ADDR(fn_name) \
+static uint64_t sym64_##fn_name(Elf_Sym *sym) \
+{ \
+ return r8(&sym->e64.st_##fn_name); \
+} \
+ \
+static uint64_t sym32_##fn_name(Elf_Sym *sym) \
+{ \
+ return r(&sym->e32.st_##fn_name); \
+} \
+ \
+static uint64_t sym_##fn_name(Elf_Sym *sym) \
+{ \
+ return e.sym_##fn_name(sym); \
+}
+
+#define SYM_WORD(fn_name) \
+static uint32_t sym64_##fn_name(Elf_Sym *sym) \
+{ \
+ return r(&sym->e64.st_##fn_name); \
+} \
+ \
+static uint32_t sym32_##fn_name(Elf_Sym *sym) \
+{ \
+ return r(&sym->e32.st_##fn_name); \
+} \
+ \
+static uint32_t sym_##fn_name(Elf_Sym *sym) \
+{ \
+ return e.sym_##fn_name(sym); \
+}
+
+#define SYM_HALF(fn_name) \
+static uint16_t sym64_##fn_name(Elf_Sym *sym) \
+{ \
+ return r2(&sym->e64.st_##fn_name); \
+} \
+ \
+static uint16_t sym32_##fn_name(Elf_Sym *sym) \
+{ \
+ return r2(&sym->e32.st_##fn_name); \
+} \
+ \
+static uint16_t sym_##fn_name(Elf_Sym *sym) \
+{ \
+ return e.sym_##fn_name(sym); \
+}
+
+static uint8_t sym64_type(Elf_Sym *sym)
+{
+ return ELF64_ST_TYPE(sym->e64.st_info);
+}
+
+static uint8_t sym32_type(Elf_Sym *sym)
+{
+ return ELF32_ST_TYPE(sym->e32.st_info);
+}
+
+static uint8_t sym_type(Elf_Sym *sym)
+{
+ return e.sym_type(sym);
+}
+
+SYM_ADDR(value)
+SYM_WORD(name)
+SYM_HALF(shndx)
+
/*
* Get the whole file as a programming convenience in order to avoid
* malloc+lseek+read+free of many pieces. If successful, then mmap
@@ -146,31 +336,11 @@ static void wbe(uint32_t val, uint32_t *x)
put_unaligned_be32(val, x);
}
-static void w2be(uint16_t val, uint16_t *x)
-{
- put_unaligned_be16(val, x);
-}
-
-static void w8be(uint64_t val, uint64_t *x)
-{
- put_unaligned_be64(val, x);
-}
-
static void wle(uint32_t val, uint32_t *x)
{
put_unaligned_le32(val, x);
}
-static void w2le(uint16_t val, uint16_t *x)
-{
- put_unaligned_le16(val, x);
-}
-
-static void w8le(uint64_t val, uint64_t *x)
-{
- put_unaligned_le64(val, x);
-}
-
/*
* Move reserved section indices SHN_LORESERVE..SHN_HIRESERVE out of
* the way to -256..-1, to avoid conflicting with real section
@@ -195,10 +365,430 @@ static inline unsigned int get_secindex(unsigned int shndx,
return r(&symtab_shndx_start[sym_offs]);
}
-/* 32 bit and 64 bit are very similar */
-#include "sorttable.h"
-#define SORTTABLE_64
-#include "sorttable.h"
+static int compare_extable_32(const void *a, const void *b)
+{
+ Elf32_Addr av = r(a);
+ Elf32_Addr bv = r(b);
+
+ if (av < bv)
+ return -1;
+ return av > bv;
+}
+
+static int compare_extable_64(const void *a, const void *b)
+{
+ Elf64_Addr av = r8(a);
+ Elf64_Addr bv = r8(b);
+
+ if (av < bv)
+ return -1;
+ return av > bv;
+}
+
+static int compare_extable(const void *a, const void *b)
+{
+ return e.compare_extable(a, b);
+}
+
+static inline void *get_index(void *start, int entsize, int index)
+{
+ return start + (entsize * index);
+}
+
+static int extable_ent_size;
+static int long_size;
+
+
+#ifdef UNWINDER_ORC_ENABLED
+/* ORC unwinder only support X86_64 */
+#include <asm/orc_types.h>
+
+#define ERRSTR_MAXSZ 256
+
+static char g_err[ERRSTR_MAXSZ];
+static int *g_orc_ip_table;
+static struct orc_entry *g_orc_table;
+
+static pthread_t orc_sort_thread;
+
+static inline unsigned long orc_ip(const int *ip)
+{
+ return (unsigned long)ip + *ip;
+}
+
+static int orc_sort_cmp(const void *_a, const void *_b)
+{
+ struct orc_entry *orc_a, *orc_b;
+ const int *a = g_orc_ip_table + *(int *)_a;
+ const int *b = g_orc_ip_table + *(int *)_b;
+ unsigned long a_val = orc_ip(a);
+ unsigned long b_val = orc_ip(b);
+
+ if (a_val > b_val)
+ return 1;
+ if (a_val < b_val)
+ return -1;
+
+ /*
+ * The "weak" section terminator entries need to always be on the left
+ * to ensure the lookup code skips them in favor of real entries.
+ * These terminator entries exist to handle any gaps created by
+ * whitelisted .o files which didn't get objtool generation.
+ */
+ orc_a = g_orc_table + (a - g_orc_ip_table);
+ orc_b = g_orc_table + (b - g_orc_ip_table);
+ if (orc_a->type == ORC_TYPE_UNDEFINED && orc_b->type == ORC_TYPE_UNDEFINED)
+ return 0;
+ return orc_a->type == ORC_TYPE_UNDEFINED ? -1 : 1;
+}
+
+static void *sort_orctable(void *arg)
+{
+ int i;
+ int *idxs = NULL;
+ int *tmp_orc_ip_table = NULL;
+ struct orc_entry *tmp_orc_table = NULL;
+ unsigned int *orc_ip_size = (unsigned int *)arg;
+ unsigned int num_entries = *orc_ip_size / sizeof(int);
+ unsigned int orc_size = num_entries * sizeof(struct orc_entry);
+
+ idxs = (int *)malloc(*orc_ip_size);
+ if (!idxs) {
+ snprintf(g_err, ERRSTR_MAXSZ, "malloc idxs: %s",
+ strerror(errno));
+ pthread_exit(g_err);
+ }
+
+ tmp_orc_ip_table = (int *)malloc(*orc_ip_size);
+ if (!tmp_orc_ip_table) {
+ snprintf(g_err, ERRSTR_MAXSZ, "malloc tmp_orc_ip_table: %s",
+ strerror(errno));
+ pthread_exit(g_err);
+ }
+
+ tmp_orc_table = (struct orc_entry *)malloc(orc_size);
+ if (!tmp_orc_table) {
+ snprintf(g_err, ERRSTR_MAXSZ, "malloc tmp_orc_table: %s",
+ strerror(errno));
+ pthread_exit(g_err);
+ }
+
+ /* initialize indices array, convert ip_table to absolute address */
+ for (i = 0; i < num_entries; i++) {
+ idxs[i] = i;
+ tmp_orc_ip_table[i] = g_orc_ip_table[i] + i * sizeof(int);
+ }
+ memcpy(tmp_orc_table, g_orc_table, orc_size);
+
+ qsort(idxs, num_entries, sizeof(int), orc_sort_cmp);
+
+ for (i = 0; i < num_entries; i++) {
+ if (idxs[i] == i)
+ continue;
+
+ /* convert back to relative address */
+ g_orc_ip_table[i] = tmp_orc_ip_table[idxs[i]] - i * sizeof(int);
+ g_orc_table[i] = tmp_orc_table[idxs[i]];
+ }
+
+ free(idxs);
+ free(tmp_orc_ip_table);
+ free(tmp_orc_table);
+ pthread_exit(NULL);
+}
+#endif
+
+#ifdef MCOUNT_SORT_ENABLED
+static pthread_t mcount_sort_thread;
+
+struct elf_mcount_loc {
+ Elf_Ehdr *ehdr;
+ Elf_Shdr *init_data_sec;
+ uint64_t start_mcount_loc;
+ uint64_t stop_mcount_loc;
+};
+
+/* Sort the addresses stored between __start_mcount_loc to __stop_mcount_loc in vmlinux */
+static void *sort_mcount_loc(void *arg)
+{
+ struct elf_mcount_loc *emloc = (struct elf_mcount_loc *)arg;
+ uint64_t offset = emloc->start_mcount_loc - shdr_addr(emloc->init_data_sec)
+ + shdr_offset(emloc->init_data_sec);
+ uint64_t count = emloc->stop_mcount_loc - emloc->start_mcount_loc;
+ unsigned char *start_loc = (void *)emloc->ehdr + offset;
+
+ qsort(start_loc, count/long_size, long_size, compare_extable);
+ return NULL;
+}
+
+/* Get the address of __start_mcount_loc and __stop_mcount_loc in System.map */
+static void get_mcount_loc(struct elf_mcount_loc *emloc, Elf_Shdr *symtab_sec,
+ const char *strtab)
+{
+ Elf_Sym *sym, *end_sym;
+ int symentsize = shdr_entsize(symtab_sec);
+ int found = 0;
+
+ sym = (void *)emloc->ehdr + shdr_offset(symtab_sec);
+ end_sym = (void *)sym + shdr_size(symtab_sec);
+
+ while (sym < end_sym) {
+ if (!strcmp(strtab + sym_name(sym), "__start_mcount_loc")) {
+ emloc->start_mcount_loc = sym_value(sym);
+ if (++found == 2)
+ break;
+ } else if (!strcmp(strtab + sym_name(sym), "__stop_mcount_loc")) {
+ emloc->stop_mcount_loc = sym_value(sym);
+ if (++found == 2)
+ break;
+ }
+ sym = (void *)sym + symentsize;
+ }
+
+ if (!emloc->start_mcount_loc) {
+ fprintf(stderr, "get start_mcount_loc error!");
+ return;
+ }
+
+ if (!emloc->stop_mcount_loc) {
+ fprintf(stderr, "get stop_mcount_loc error!");
+ return;
+ }
+}
+#endif
+
+static int do_sort(Elf_Ehdr *ehdr,
+ char const *const fname,
+ table_sort_t custom_sort)
+{
+ int rc = -1;
+ Elf_Shdr *shdr_start;
+ Elf_Shdr *strtab_sec = NULL;
+ Elf_Shdr *symtab_sec = NULL;
+ Elf_Shdr *extab_sec = NULL;
+ Elf_Shdr *string_sec;
+ Elf_Sym *sym;
+ const Elf_Sym *symtab;
+ Elf32_Word *symtab_shndx = NULL;
+ Elf_Sym *sort_needed_sym = NULL;
+ Elf_Shdr *sort_needed_sec;
+ uint32_t *sort_needed_loc;
+ void *sym_start;
+ void *sym_end;
+ const char *secstrings;
+ const char *strtab;
+ char *extab_image;
+ int sort_need_index;
+ int symentsize;
+ int shentsize;
+ int idx;
+ int i;
+ unsigned int shnum;
+ unsigned int shstrndx;
+#ifdef MCOUNT_SORT_ENABLED
+ struct elf_mcount_loc mstruct = {0};
+#endif
+#ifdef UNWINDER_ORC_ENABLED
+ unsigned int orc_ip_size = 0;
+ unsigned int orc_size = 0;
+ unsigned int orc_num_entries = 0;
+#endif
+
+ shdr_start = (Elf_Shdr *)((char *)ehdr + ehdr_shoff(ehdr));
+ shentsize = ehdr_shentsize(ehdr);
+
+ shstrndx = ehdr_shstrndx(ehdr);
+ if (shstrndx == SHN_XINDEX)
+ shstrndx = shdr_link(shdr_start);
+ string_sec = get_index(shdr_start, shentsize, shstrndx);
+ secstrings = (const char *)ehdr + shdr_offset(string_sec);
+
+ shnum = ehdr_shnum(ehdr);
+ if (shnum == SHN_UNDEF)
+ shnum = shdr_size(shdr_start);
+
+ for (i = 0; i < shnum; i++) {
+ Elf_Shdr *shdr = get_index(shdr_start, shentsize, i);
+
+ idx = shdr_name(shdr);
+ if (!strcmp(secstrings + idx, "__ex_table"))
+ extab_sec = shdr;
+ if (!strcmp(secstrings + idx, ".symtab"))
+ symtab_sec = shdr;
+ if (!strcmp(secstrings + idx, ".strtab"))
+ strtab_sec = shdr;
+
+ if (shdr_type(shdr) == SHT_SYMTAB_SHNDX)
+ symtab_shndx = (Elf32_Word *)((const char *)ehdr +
+ shdr_offset(shdr));
+
+#ifdef MCOUNT_SORT_ENABLED
+ /* locate the .init.data section in vmlinux */
+ if (!strcmp(secstrings + idx, ".init.data"))
+ mstruct.init_data_sec = shdr;
+#endif
+
+#ifdef UNWINDER_ORC_ENABLED
+ /* locate the ORC unwind tables */
+ if (!strcmp(secstrings + idx, ".orc_unwind_ip")) {
+ orc_ip_size = shdr_size(shdr);
+ g_orc_ip_table = (int *)((void *)ehdr +
+ shdr_offset(shdr));
+ }
+ if (!strcmp(secstrings + idx, ".orc_unwind")) {
+ orc_size = shdr_size(shdr);
+ g_orc_table = (struct orc_entry *)((void *)ehdr +
+ shdr_offset(shdr));
+ }
+#endif
+ } /* for loop */
+
+#ifdef UNWINDER_ORC_ENABLED
+ if (!g_orc_ip_table || !g_orc_table) {
+ fprintf(stderr,
+ "incomplete ORC unwind tables in file: %s\n", fname);
+ goto out;
+ }
+
+ orc_num_entries = orc_ip_size / sizeof(int);
+ if (orc_ip_size % sizeof(int) != 0 ||
+ orc_size % sizeof(struct orc_entry) != 0 ||
+ orc_num_entries != orc_size / sizeof(struct orc_entry)) {
+ fprintf(stderr,
+ "inconsistent ORC unwind table entries in file: %s\n",
+ fname);
+ goto out;
+ }
+
+ /* create thread to sort ORC unwind tables concurrently */
+ if (pthread_create(&orc_sort_thread, NULL,
+ sort_orctable, &orc_ip_size)) {
+ fprintf(stderr,
+ "pthread_create orc_sort_thread failed '%s': %s\n",
+ strerror(errno), fname);
+ goto out;
+ }
+#endif
+ if (!extab_sec) {
+ fprintf(stderr, "no __ex_table in file: %s\n", fname);
+ goto out;
+ }
+
+ if (!symtab_sec) {
+ fprintf(stderr, "no .symtab in file: %s\n", fname);
+ goto out;
+ }
+
+ if (!strtab_sec) {
+ fprintf(stderr, "no .strtab in file: %s\n", fname);
+ goto out;
+ }
+
+ extab_image = (void *)ehdr + shdr_offset(extab_sec);
+ strtab = (const char *)ehdr + shdr_offset(strtab_sec);
+ symtab = (const Elf_Sym *)((const char *)ehdr + shdr_offset(symtab_sec));
+
+#ifdef MCOUNT_SORT_ENABLED
+ mstruct.ehdr = ehdr;
+ get_mcount_loc(&mstruct, symtab_sec, strtab);
+
+ if (!mstruct.init_data_sec || !mstruct.start_mcount_loc || !mstruct.stop_mcount_loc) {
+ fprintf(stderr,
+ "incomplete mcount's sort in file: %s\n",
+ fname);
+ goto out;
+ }
+
+ /* create thread to sort mcount_loc concurrently */
+ if (pthread_create(&mcount_sort_thread, NULL, &sort_mcount_loc, &mstruct)) {
+ fprintf(stderr,
+ "pthread_create mcount_sort_thread failed '%s': %s\n",
+ strerror(errno), fname);
+ goto out;
+ }
+#endif
+
+ if (custom_sort) {
+ custom_sort(extab_image, shdr_size(extab_sec));
+ } else {
+ int num_entries = shdr_size(extab_sec) / extable_ent_size;
+ qsort(extab_image, num_entries,
+ extable_ent_size, compare_extable);
+ }
+
+ /* find the flag main_extable_sort_needed */
+ sym_start = (void *)ehdr + shdr_offset(symtab_sec);
+ sym_end = sym_start + shdr_size(symtab_sec);
+ symentsize = shdr_entsize(symtab_sec);
+
+ for (sym = sym_start; (void *)sym + symentsize < sym_end;
+ sym = (void *)sym + symentsize) {
+ if (sym_type(sym) != STT_OBJECT)
+ continue;
+ if (!strcmp(strtab + sym_name(sym),
+ "main_extable_sort_needed")) {
+ sort_needed_sym = sym;
+ break;
+ }
+ }
+
+ if (!sort_needed_sym) {
+ fprintf(stderr,
+ "no main_extable_sort_needed symbol in file: %s\n",
+ fname);
+ goto out;
+ }
+
+ sort_need_index = get_secindex(sym_shndx(sym),
+ ((void *)sort_needed_sym - (void *)symtab) / symentsize,
+ symtab_shndx);
+ sort_needed_sec = get_index(shdr_start, shentsize, sort_need_index);
+ sort_needed_loc = (void *)ehdr +
+ shdr_offset(sort_needed_sec) +
+ sym_value(sort_needed_sym) - shdr_addr(sort_needed_sec);
+
+ /* extable has been sorted, clear the flag */
+ w(0, sort_needed_loc);
+ rc = 0;
+
+out:
+#ifdef UNWINDER_ORC_ENABLED
+ if (orc_sort_thread) {
+ void *retval = NULL;
+ /* wait for ORC tables sort done */
+ rc = pthread_join(orc_sort_thread, &retval);
+ if (rc) {
+ fprintf(stderr,
+ "pthread_join failed '%s': %s\n",
+ strerror(errno), fname);
+ } else if (retval) {
+ rc = -1;
+ fprintf(stderr,
+ "failed to sort ORC tables '%s': %s\n",
+ (char *)retval, fname);
+ }
+ }
+#endif
+
+#ifdef MCOUNT_SORT_ENABLED
+ if (mcount_sort_thread) {
+ void *retval = NULL;
+ /* wait for mcount sort done */
+ rc = pthread_join(mcount_sort_thread, &retval);
+ if (rc) {
+ fprintf(stderr,
+ "pthread_join failed '%s': %s\n",
+ strerror(errno), fname);
+ } else if (retval) {
+ rc = -1;
+ fprintf(stderr,
+ "failed to sort mcount '%s': %s\n",
+ (char *)retval, fname);
+ }
+ }
+#endif
+ return rc;
+}
static int compare_relative_table(const void *a, const void *b)
{
@@ -267,41 +857,36 @@ static void sort_relative_table_with_data(char *extab_image, int image_size)
static int do_file(char const *const fname, void *addr)
{
- int rc = -1;
- Elf32_Ehdr *ehdr = addr;
+ Elf_Ehdr *ehdr = addr;
table_sort_t custom_sort = NULL;
- switch (ehdr->e_ident[EI_DATA]) {
+ switch (ehdr->e32.e_ident[EI_DATA]) {
case ELFDATA2LSB:
r = rle;
r2 = r2le;
r8 = r8le;
w = wle;
- w2 = w2le;
- w8 = w8le;
break;
case ELFDATA2MSB:
r = rbe;
r2 = r2be;
r8 = r8be;
w = wbe;
- w2 = w2be;
- w8 = w8be;
break;
default:
fprintf(stderr, "unrecognized ELF data encoding %d: %s\n",
- ehdr->e_ident[EI_DATA], fname);
+ ehdr->e32.e_ident[EI_DATA], fname);
return -1;
}
- if (memcmp(ELFMAG, ehdr->e_ident, SELFMAG) != 0 ||
- (r2(&ehdr->e_type) != ET_EXEC && r2(&ehdr->e_type) != ET_DYN) ||
- ehdr->e_ident[EI_VERSION] != EV_CURRENT) {
+ if (memcmp(ELFMAG, ehdr->e32.e_ident, SELFMAG) != 0 ||
+ (r2(&ehdr->e32.e_type) != ET_EXEC && r2(&ehdr->e32.e_type) != ET_DYN) ||
+ ehdr->e32.e_ident[EI_VERSION] != EV_CURRENT) {
fprintf(stderr, "unrecognized ET_EXEC/ET_DYN file %s\n", fname);
return -1;
}
- switch (r2(&ehdr->e_machine)) {
+ switch (r2(&ehdr->e32.e_machine)) {
case EM_386:
case EM_AARCH64:
case EM_LOONGARCH:
@@ -324,40 +909,85 @@ static int do_file(char const *const fname, void *addr)
break;
default:
fprintf(stderr, "unrecognized e_machine %d %s\n",
- r2(&ehdr->e_machine), fname);
+ r2(&ehdr->e32.e_machine), fname);
return -1;
}
- switch (ehdr->e_ident[EI_CLASS]) {
- case ELFCLASS32:
- if (r2(&ehdr->e_ehsize) != sizeof(Elf32_Ehdr) ||
- r2(&ehdr->e_shentsize) != sizeof(Elf32_Shdr)) {
+ switch (ehdr->e32.e_ident[EI_CLASS]) {
+ case ELFCLASS32: {
+ struct elf_funcs efuncs = {
+ .compare_extable = compare_extable_32,
+ .ehdr_shoff = ehdr32_shoff,
+ .ehdr_shentsize = ehdr32_shentsize,
+ .ehdr_shstrndx = ehdr32_shstrndx,
+ .ehdr_shnum = ehdr32_shnum,
+ .shdr_addr = shdr32_addr,
+ .shdr_offset = shdr32_offset,
+ .shdr_link = shdr32_link,
+ .shdr_size = shdr32_size,
+ .shdr_name = shdr32_name,
+ .shdr_type = shdr32_type,
+ .shdr_entsize = shdr32_entsize,
+ .sym_type = sym32_type,
+ .sym_name = sym32_name,
+ .sym_value = sym32_value,
+ .sym_shndx = sym32_shndx,
+ };
+
+ e = efuncs;
+ long_size = 4;
+ extable_ent_size = 8;
+
+ if (r2(&ehdr->e32.e_ehsize) != sizeof(Elf32_Ehdr) ||
+ r2(&ehdr->e32.e_shentsize) != sizeof(Elf32_Shdr)) {
fprintf(stderr,
"unrecognized ET_EXEC/ET_DYN file: %s\n", fname);
- break;
+ return -1;
+ }
+
}
- rc = do_sort_32(ehdr, fname, custom_sort);
break;
- case ELFCLASS64:
- {
- Elf64_Ehdr *const ghdr = (Elf64_Ehdr *)ehdr;
- if (r2(&ghdr->e_ehsize) != sizeof(Elf64_Ehdr) ||
- r2(&ghdr->e_shentsize) != sizeof(Elf64_Shdr)) {
+ case ELFCLASS64: {
+ struct elf_funcs efuncs = {
+ .compare_extable = compare_extable_64,
+ .ehdr_shoff = ehdr64_shoff,
+ .ehdr_shentsize = ehdr64_shentsize,
+ .ehdr_shstrndx = ehdr64_shstrndx,
+ .ehdr_shnum = ehdr64_shnum,
+ .shdr_addr = shdr64_addr,
+ .shdr_offset = shdr64_offset,
+ .shdr_link = shdr64_link,
+ .shdr_size = shdr64_size,
+ .shdr_name = shdr64_name,
+ .shdr_type = shdr64_type,
+ .shdr_entsize = shdr64_entsize,
+ .sym_type = sym64_type,
+ .sym_name = sym64_name,
+ .sym_value = sym64_value,
+ .sym_shndx = sym64_shndx,
+ };
+
+ e = efuncs;
+ long_size = 8;
+ extable_ent_size = 16;
+
+ if (r2(&ehdr->e64.e_ehsize) != sizeof(Elf64_Ehdr) ||
+ r2(&ehdr->e64.e_shentsize) != sizeof(Elf64_Shdr)) {
fprintf(stderr,
"unrecognized ET_EXEC/ET_DYN file: %s\n",
fname);
- break;
+ return -1;
}
- rc = do_sort_64(ghdr, fname, custom_sort);
+
}
break;
default:
fprintf(stderr, "unrecognized ELF class %d %s\n",
- ehdr->e_ident[EI_CLASS], fname);
- break;
+ ehdr->e32.e_ident[EI_CLASS], fname);
+ return -1;
}
- return rc;
+ return do_sort(ehdr, fname, custom_sort);
}
int main(int argc, char *argv[])
diff --git a/scripts/sorttable.h b/scripts/sorttable.h
deleted file mode 100644
index 7bd0184380d3..000000000000
--- a/scripts/sorttable.h
+++ /dev/null
@@ -1,497 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * sorttable.h
- *
- * Added ORC unwind tables sort support and other updates:
- * Copyright (C) 1999-2019 Alibaba Group Holding Limited. by:
- * Shile Zhang <shile.zhang@linux.alibaba.com>
- *
- * Copyright 2011 - 2012 Cavium, Inc.
- *
- * Some of code was taken out of arch/x86/kernel/unwind_orc.c, written by:
- * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
- *
- * Some of this code was taken out of recordmcount.h written by:
- *
- * Copyright 2009 John F. Reiser <jreiser@BitWagon.com>. All rights reserved.
- * Copyright 2010 Steven Rostedt <srostedt@redhat.com>, Red Hat Inc.
- */
-
-#undef extable_ent_size
-#undef compare_extable
-#undef get_mcount_loc
-#undef sort_mcount_loc
-#undef elf_mcount_loc
-#undef do_sort
-#undef Elf_Addr
-#undef Elf_Ehdr
-#undef Elf_Shdr
-#undef Elf_Rel
-#undef Elf_Rela
-#undef Elf_Sym
-#undef ELF_R_SYM
-#undef Elf_r_sym
-#undef ELF_R_INFO
-#undef Elf_r_info
-#undef ELF_ST_BIND
-#undef ELF_ST_TYPE
-#undef fn_ELF_R_SYM
-#undef fn_ELF_R_INFO
-#undef uint_t
-#undef _r
-#undef _w
-
-#ifdef SORTTABLE_64
-# define extable_ent_size 16
-# define compare_extable compare_extable_64
-# define get_mcount_loc get_mcount_loc_64
-# define sort_mcount_loc sort_mcount_loc_64
-# define elf_mcount_loc elf_mcount_loc_64
-# define do_sort do_sort_64
-# define Elf_Addr Elf64_Addr
-# define Elf_Ehdr Elf64_Ehdr
-# define Elf_Shdr Elf64_Shdr
-# define Elf_Rel Elf64_Rel
-# define Elf_Rela Elf64_Rela
-# define Elf_Sym Elf64_Sym
-# define ELF_R_SYM ELF64_R_SYM
-# define Elf_r_sym Elf64_r_sym
-# define ELF_R_INFO ELF64_R_INFO
-# define Elf_r_info Elf64_r_info
-# define ELF_ST_BIND ELF64_ST_BIND
-# define ELF_ST_TYPE ELF64_ST_TYPE
-# define fn_ELF_R_SYM fn_ELF64_R_SYM
-# define fn_ELF_R_INFO fn_ELF64_R_INFO
-# define uint_t uint64_t
-# define _r r8
-# define _w w8
-#else
-# define extable_ent_size 8
-# define compare_extable compare_extable_32
-# define get_mcount_loc get_mcount_loc_32
-# define sort_mcount_loc sort_mcount_loc_32
-# define elf_mcount_loc elf_mcount_loc_32
-# define do_sort do_sort_32
-# define Elf_Addr Elf32_Addr
-# define Elf_Ehdr Elf32_Ehdr
-# define Elf_Shdr Elf32_Shdr
-# define Elf_Rel Elf32_Rel
-# define Elf_Rela Elf32_Rela
-# define Elf_Sym Elf32_Sym
-# define ELF_R_SYM ELF32_R_SYM
-# define Elf_r_sym Elf32_r_sym
-# define ELF_R_INFO ELF32_R_INFO
-# define Elf_r_info Elf32_r_info
-# define ELF_ST_BIND ELF32_ST_BIND
-# define ELF_ST_TYPE ELF32_ST_TYPE
-# define fn_ELF_R_SYM fn_ELF32_R_SYM
-# define fn_ELF_R_INFO fn_ELF32_R_INFO
-# define uint_t uint32_t
-# define _r r
-# define _w w
-#endif
-
-#if defined(SORTTABLE_64) && defined(UNWINDER_ORC_ENABLED)
-/* ORC unwinder only support X86_64 */
-#include <asm/orc_types.h>
-
-#define ERRSTR_MAXSZ 256
-
-char g_err[ERRSTR_MAXSZ];
-int *g_orc_ip_table;
-struct orc_entry *g_orc_table;
-
-pthread_t orc_sort_thread;
-
-static inline unsigned long orc_ip(const int *ip)
-{
- return (unsigned long)ip + *ip;
-}
-
-static int orc_sort_cmp(const void *_a, const void *_b)
-{
- struct orc_entry *orc_a;
- const int *a = g_orc_ip_table + *(int *)_a;
- const int *b = g_orc_ip_table + *(int *)_b;
- unsigned long a_val = orc_ip(a);
- unsigned long b_val = orc_ip(b);
-
- if (a_val > b_val)
- return 1;
- if (a_val < b_val)
- return -1;
-
- /*
- * The "weak" section terminator entries need to always be on the left
- * to ensure the lookup code skips them in favor of real entries.
- * These terminator entries exist to handle any gaps created by
- * whitelisted .o files which didn't get objtool generation.
- */
- orc_a = g_orc_table + (a - g_orc_ip_table);
- return orc_a->type == ORC_TYPE_UNDEFINED ? -1 : 1;
-}
-
-static void *sort_orctable(void *arg)
-{
- int i;
- int *idxs = NULL;
- int *tmp_orc_ip_table = NULL;
- struct orc_entry *tmp_orc_table = NULL;
- unsigned int *orc_ip_size = (unsigned int *)arg;
- unsigned int num_entries = *orc_ip_size / sizeof(int);
- unsigned int orc_size = num_entries * sizeof(struct orc_entry);
-
- idxs = (int *)malloc(*orc_ip_size);
- if (!idxs) {
- snprintf(g_err, ERRSTR_MAXSZ, "malloc idxs: %s",
- strerror(errno));
- pthread_exit(g_err);
- }
-
- tmp_orc_ip_table = (int *)malloc(*orc_ip_size);
- if (!tmp_orc_ip_table) {
- snprintf(g_err, ERRSTR_MAXSZ, "malloc tmp_orc_ip_table: %s",
- strerror(errno));
- pthread_exit(g_err);
- }
-
- tmp_orc_table = (struct orc_entry *)malloc(orc_size);
- if (!tmp_orc_table) {
- snprintf(g_err, ERRSTR_MAXSZ, "malloc tmp_orc_table: %s",
- strerror(errno));
- pthread_exit(g_err);
- }
-
- /* initialize indices array, convert ip_table to absolute address */
- for (i = 0; i < num_entries; i++) {
- idxs[i] = i;
- tmp_orc_ip_table[i] = g_orc_ip_table[i] + i * sizeof(int);
- }
- memcpy(tmp_orc_table, g_orc_table, orc_size);
-
- qsort(idxs, num_entries, sizeof(int), orc_sort_cmp);
-
- for (i = 0; i < num_entries; i++) {
- if (idxs[i] == i)
- continue;
-
- /* convert back to relative address */
- g_orc_ip_table[i] = tmp_orc_ip_table[idxs[i]] - i * sizeof(int);
- g_orc_table[i] = tmp_orc_table[idxs[i]];
- }
-
- free(idxs);
- free(tmp_orc_ip_table);
- free(tmp_orc_table);
- pthread_exit(NULL);
-}
-#endif
-
-static int compare_extable(const void *a, const void *b)
-{
- Elf_Addr av = _r(a);
- Elf_Addr bv = _r(b);
-
- if (av < bv)
- return -1;
- if (av > bv)
- return 1;
- return 0;
-}
-#ifdef MCOUNT_SORT_ENABLED
-pthread_t mcount_sort_thread;
-
-struct elf_mcount_loc {
- Elf_Ehdr *ehdr;
- Elf_Shdr *init_data_sec;
- uint_t start_mcount_loc;
- uint_t stop_mcount_loc;
-};
-
-/* Sort the addresses stored between __start_mcount_loc to __stop_mcount_loc in vmlinux */
-static void *sort_mcount_loc(void *arg)
-{
- struct elf_mcount_loc *emloc = (struct elf_mcount_loc *)arg;
- uint_t offset = emloc->start_mcount_loc - _r(&(emloc->init_data_sec)->sh_addr)
- + _r(&(emloc->init_data_sec)->sh_offset);
- uint_t count = emloc->stop_mcount_loc - emloc->start_mcount_loc;
- unsigned char *start_loc = (void *)emloc->ehdr + offset;
-
- qsort(start_loc, count/sizeof(uint_t), sizeof(uint_t), compare_extable);
- return NULL;
-}
-
-/* Get the address of __start_mcount_loc and __stop_mcount_loc in System.map */
-static void get_mcount_loc(uint_t *_start, uint_t *_stop)
-{
- FILE *file_start, *file_stop;
- char start_buff[20];
- char stop_buff[20];
- int len = 0;
-
- file_start = popen(" grep start_mcount System.map | awk '{print $1}' ", "r");
- if (!file_start) {
- fprintf(stderr, "get start_mcount_loc error!");
- return;
- }
-
- file_stop = popen(" grep stop_mcount System.map | awk '{print $1}' ", "r");
- if (!file_stop) {
- fprintf(stderr, "get stop_mcount_loc error!");
- pclose(file_start);
- return;
- }
-
- while (fgets(start_buff, sizeof(start_buff), file_start) != NULL) {
- len = strlen(start_buff);
- start_buff[len - 1] = '\0';
- }
- *_start = strtoul(start_buff, NULL, 16);
-
- while (fgets(stop_buff, sizeof(stop_buff), file_stop) != NULL) {
- len = strlen(stop_buff);
- stop_buff[len - 1] = '\0';
- }
- *_stop = strtoul(stop_buff, NULL, 16);
-
- pclose(file_start);
- pclose(file_stop);
-}
-#endif
-static int do_sort(Elf_Ehdr *ehdr,
- char const *const fname,
- table_sort_t custom_sort)
-{
- int rc = -1;
- Elf_Shdr *s, *shdr = (Elf_Shdr *)((char *)ehdr + _r(&ehdr->e_shoff));
- Elf_Shdr *strtab_sec = NULL;
- Elf_Shdr *symtab_sec = NULL;
- Elf_Shdr *extab_sec = NULL;
- Elf_Sym *sym;
- const Elf_Sym *symtab;
- Elf32_Word *symtab_shndx = NULL;
- Elf_Sym *sort_needed_sym = NULL;
- Elf_Shdr *sort_needed_sec;
- Elf_Rel *relocs = NULL;
- int relocs_size = 0;
- uint32_t *sort_needed_loc;
- const char *secstrings;
- const char *strtab;
- char *extab_image;
- int extab_index = 0;
- int i;
- int idx;
- unsigned int shnum;
- unsigned int shstrndx;
-#ifdef MCOUNT_SORT_ENABLED
- struct elf_mcount_loc mstruct = {0};
- uint_t _start_mcount_loc = 0;
- uint_t _stop_mcount_loc = 0;
-#endif
-#if defined(SORTTABLE_64) && defined(UNWINDER_ORC_ENABLED)
- unsigned int orc_ip_size = 0;
- unsigned int orc_size = 0;
- unsigned int orc_num_entries = 0;
-#endif
-
- shstrndx = r2(&ehdr->e_shstrndx);
- if (shstrndx == SHN_XINDEX)
- shstrndx = r(&shdr[0].sh_link);
- secstrings = (const char *)ehdr + _r(&shdr[shstrndx].sh_offset);
-
- shnum = r2(&ehdr->e_shnum);
- if (shnum == SHN_UNDEF)
- shnum = _r(&shdr[0].sh_size);
-
- for (i = 0, s = shdr; s < shdr + shnum; i++, s++) {
- idx = r(&s->sh_name);
- if (!strcmp(secstrings + idx, "__ex_table")) {
- extab_sec = s;
- extab_index = i;
- }
- if (!strcmp(secstrings + idx, ".symtab"))
- symtab_sec = s;
- if (!strcmp(secstrings + idx, ".strtab"))
- strtab_sec = s;
-
- if ((r(&s->sh_type) == SHT_REL ||
- r(&s->sh_type) == SHT_RELA) &&
- r(&s->sh_info) == extab_index) {
- relocs = (void *)ehdr + _r(&s->sh_offset);
- relocs_size = _r(&s->sh_size);
- }
- if (r(&s->sh_type) == SHT_SYMTAB_SHNDX)
- symtab_shndx = (Elf32_Word *)((const char *)ehdr +
- _r(&s->sh_offset));
-
-#ifdef MCOUNT_SORT_ENABLED
- /* locate the .init.data section in vmlinux */
- if (!strcmp(secstrings + idx, ".init.data")) {
- get_mcount_loc(&_start_mcount_loc, &_stop_mcount_loc);
- mstruct.ehdr = ehdr;
- mstruct.init_data_sec = s;
- mstruct.start_mcount_loc = _start_mcount_loc;
- mstruct.stop_mcount_loc = _stop_mcount_loc;
- }
-#endif
-
-#if defined(SORTTABLE_64) && defined(UNWINDER_ORC_ENABLED)
- /* locate the ORC unwind tables */
- if (!strcmp(secstrings + idx, ".orc_unwind_ip")) {
- orc_ip_size = s->sh_size;
- g_orc_ip_table = (int *)((void *)ehdr +
- s->sh_offset);
- }
- if (!strcmp(secstrings + idx, ".orc_unwind")) {
- orc_size = s->sh_size;
- g_orc_table = (struct orc_entry *)((void *)ehdr +
- s->sh_offset);
- }
-#endif
- } /* for loop */
-
-#if defined(SORTTABLE_64) && defined(UNWINDER_ORC_ENABLED)
- if (!g_orc_ip_table || !g_orc_table) {
- fprintf(stderr,
- "incomplete ORC unwind tables in file: %s\n", fname);
- goto out;
- }
-
- orc_num_entries = orc_ip_size / sizeof(int);
- if (orc_ip_size % sizeof(int) != 0 ||
- orc_size % sizeof(struct orc_entry) != 0 ||
- orc_num_entries != orc_size / sizeof(struct orc_entry)) {
- fprintf(stderr,
- "inconsistent ORC unwind table entries in file: %s\n",
- fname);
- goto out;
- }
-
- /* create thread to sort ORC unwind tables concurrently */
- if (pthread_create(&orc_sort_thread, NULL,
- sort_orctable, &orc_ip_size)) {
- fprintf(stderr,
- "pthread_create orc_sort_thread failed '%s': %s\n",
- strerror(errno), fname);
- goto out;
- }
-#endif
-
-#ifdef MCOUNT_SORT_ENABLED
- if (!mstruct.init_data_sec || !_start_mcount_loc || !_stop_mcount_loc) {
- fprintf(stderr,
- "incomplete mcount's sort in file: %s\n",
- fname);
- goto out;
- }
-
- /* create thread to sort mcount_loc concurrently */
- if (pthread_create(&mcount_sort_thread, NULL, &sort_mcount_loc, &mstruct)) {
- fprintf(stderr,
- "pthread_create mcount_sort_thread failed '%s': %s\n",
- strerror(errno), fname);
- goto out;
- }
-#endif
- if (!extab_sec) {
- fprintf(stderr, "no __ex_table in file: %s\n", fname);
- goto out;
- }
-
- if (!symtab_sec) {
- fprintf(stderr, "no .symtab in file: %s\n", fname);
- goto out;
- }
-
- if (!strtab_sec) {
- fprintf(stderr, "no .strtab in file: %s\n", fname);
- goto out;
- }
-
- extab_image = (void *)ehdr + _r(&extab_sec->sh_offset);
- strtab = (const char *)ehdr + _r(&strtab_sec->sh_offset);
- symtab = (const Elf_Sym *)((const char *)ehdr +
- _r(&symtab_sec->sh_offset));
-
- if (custom_sort) {
- custom_sort(extab_image, _r(&extab_sec->sh_size));
- } else {
- int num_entries = _r(&extab_sec->sh_size) / extable_ent_size;
- qsort(extab_image, num_entries,
- extable_ent_size, compare_extable);
- }
-
- /* If there were relocations, we no longer need them. */
- if (relocs)
- memset(relocs, 0, relocs_size);
-
- /* find the flag main_extable_sort_needed */
- for (sym = (void *)ehdr + _r(&symtab_sec->sh_offset);
- sym < sym + _r(&symtab_sec->sh_size) / sizeof(Elf_Sym);
- sym++) {
- if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT)
- continue;
- if (!strcmp(strtab + r(&sym->st_name),
- "main_extable_sort_needed")) {
- sort_needed_sym = sym;
- break;
- }
- }
-
- if (!sort_needed_sym) {
- fprintf(stderr,
- "no main_extable_sort_needed symbol in file: %s\n",
- fname);
- goto out;
- }
-
- sort_needed_sec = &shdr[get_secindex(r2(&sym->st_shndx),
- sort_needed_sym - symtab,
- symtab_shndx)];
- sort_needed_loc = (void *)ehdr +
- _r(&sort_needed_sec->sh_offset) +
- _r(&sort_needed_sym->st_value) -
- _r(&sort_needed_sec->sh_addr);
-
- /* extable has been sorted, clear the flag */
- w(0, sort_needed_loc);
- rc = 0;
-
-out:
-#if defined(SORTTABLE_64) && defined(UNWINDER_ORC_ENABLED)
- if (orc_sort_thread) {
- void *retval = NULL;
- /* wait for ORC tables sort done */
- rc = pthread_join(orc_sort_thread, &retval);
- if (rc) {
- fprintf(stderr,
- "pthread_join failed '%s': %s\n",
- strerror(errno), fname);
- } else if (retval) {
- rc = -1;
- fprintf(stderr,
- "failed to sort ORC tables '%s': %s\n",
- (char *)retval, fname);
- }
- }
-#endif
-
-#ifdef MCOUNT_SORT_ENABLED
- if (mcount_sort_thread) {
- void *retval = NULL;
- /* wait for mcount sort done */
- rc = pthread_join(mcount_sort_thread, &retval);
- if (rc) {
- fprintf(stderr,
- "pthread_join failed '%s': %s\n",
- strerror(errno), fname);
- } else if (retval) {
- rc = -1;
- fprintf(stderr,
- "failed to sort mcount '%s': %s\n",
- (char *)retval, fname);
- }
- }
-#endif
- return rc;
-}
diff --git a/scripts/spdxcheck.py b/scripts/spdxcheck.py
index 8b8fb115fc81..8d608f61bf37 100755
--- a/scripts/spdxcheck.py
+++ b/scripts/spdxcheck.py
@@ -214,9 +214,15 @@ class id_parser(object):
# Remove trailing xml comment closure
if line.strip().endswith('-->'):
expr = expr.rstrip('-->').strip()
+ # Remove trailing Jinja2 comment closure
+ if line.strip().endswith('#}'):
+ expr = expr.rstrip('#}').strip()
# Special case for SH magic boot code files
if line.startswith('LIST \"'):
expr = expr.rstrip('\"').strip()
+ # Remove j2 comment closure
+ if line.startswith('{#'):
+ expr = expr.rstrip('#}').strip()
self.parse(expr)
self.spdx_valid += 1
#
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 05bd9ca1fbfa..a290db720b0f 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -222,6 +222,7 @@ autonymous||autonomous
auxillary||auxiliary
auxilliary||auxiliary
avaiable||available
+avaialable||available
avaible||available
availabe||available
availabled||available
@@ -267,6 +268,7 @@ broadcase||broadcast
broadcat||broadcast
bufer||buffer
bufferred||buffered
+bufferur||buffer
bufufer||buffer
cacluated||calculated
caculate||calculate
@@ -405,6 +407,7 @@ configutation||configuration
congiuration||configuration
conider||consider
conjuction||conjunction
+connction||connection
connecetd||connected
connectinos||connections
connetor||connector
@@ -413,6 +416,7 @@ connnections||connections
consistancy||consistency
consistant||consistent
consits||consists
+constructred||constructed
containes||contains
containts||contains
contaisn||contains
@@ -450,6 +454,7 @@ creationg||creating
cryptocraphic||cryptographic
cummulative||cumulative
cunter||counter
+curent||current
curently||currently
cylic||cyclic
dafault||default
@@ -461,6 +466,7 @@ decendant||descendant
decendants||descendants
decompres||decompress
decsribed||described
+decrese||decrease
decription||description
detault||default
dectected||detected
@@ -485,6 +491,7 @@ delare||declare
delares||declares
delaring||declaring
delemiter||delimiter
+deley||delay
delibrately||deliberately
delievered||delivered
demodualtor||demodulator
@@ -551,6 +558,7 @@ disgest||digest
disired||desired
dispalying||displaying
dissable||disable
+dissapeared||disappeared
diplay||display
directon||direction
direcly||directly
@@ -606,6 +614,7 @@ eigth||eight
elementry||elementary
eletronic||electronic
embeded||embedded
+emtpy||empty
enabledi||enabled
enbale||enable
enble||enable
@@ -669,6 +678,7 @@ exmaple||example
expecially||especially
experies||expires
explicite||explicit
+explicity||explicitly
explicitely||explicitly
explict||explicit
explictely||explicitly
@@ -723,10 +733,12 @@ followign||following
followings||following
follwing||following
fonud||found
+forcebly||forcibly
forseeable||foreseeable
forse||force
fortan||fortran
forwardig||forwarding
+forwared||forwarded
frambuffer||framebuffer
framming||framing
framwork||framework
@@ -767,6 +779,7 @@ grahpical||graphical
granularty||granularity
grapic||graphic
grranted||granted
+grups||groups
guage||gauge
guarenteed||guaranteed
guarentee||guarantee
@@ -780,6 +793,7 @@ hardare||hardware
harware||hardware
hardward||hardware
havind||having
+heigth||height
heirarchically||hierarchically
heirarchy||hierarchy
heirachy||hierarchy
@@ -788,9 +802,11 @@ hearbeat||heartbeat
heterogenous||heterogeneous
hexdecimal||hexadecimal
hybernate||hibernate
+hiearchy||hierarchy
hierachy||hierarchy
hierarchie||hierarchy
homogenous||homogeneous
+horizental||horizontal
howver||however
hsould||should
hypervior||hypervisor
@@ -842,6 +858,7 @@ independed||independent
indiate||indicate
indicat||indicate
inexpect||inexpected
+infalte||inflate
inferface||interface
infinit||infinite
infomation||information
@@ -861,6 +878,7 @@ initators||initiators
initialiazation||initialization
initializationg||initialization
initializiation||initialization
+initializtion||initialization
initialze||initialize
initialzed||initialized
initialzing||initializing
@@ -877,6 +895,7 @@ instanciate||instantiate
instanciated||instantiated
instuments||instruments
insufficent||insufficient
+intead||instead
inteface||interface
integreated||integrated
integrety||integrity
@@ -1081,6 +1100,7 @@ notications||notifications
notifcations||notifications
notifed||notified
notity||notify
+notfify||notify
nubmer||number
numebr||number
numer||number
@@ -1122,6 +1142,7 @@ orientatied||orientated
orientied||oriented
orignal||original
originial||original
+orphanded||orphaned
otherise||otherwise
ouput||output
oustanding||outstanding
@@ -1184,9 +1205,11 @@ peroid||period
persistance||persistence
persistant||persistent
phoneticly||phonetically
+pipline||pipeline
plaform||platform
plalform||platform
platfoem||platform
+platfomr||platform
platfrom||platform
plattform||platform
pleaes||please
@@ -1211,6 +1234,7 @@ preceeding||preceding
preceed||precede
precendence||precedence
precission||precision
+predicition||prediction
preemptable||preemptible
prefered||preferred
prefferably||preferably
@@ -1289,6 +1313,7 @@ querrying||querying
queus||queues
randomally||randomly
raoming||roaming
+readyness||readiness
reasearcher||researcher
reasearchers||researchers
reasearch||research
@@ -1305,8 +1330,10 @@ recieves||receives
recieving||receiving
recogniced||recognised
recognizeable||recognizable
+recompte||recompute
recommanded||recommended
recyle||recycle
+redect||reject
redircet||redirect
redirectrion||redirection
redundacy||redundancy
@@ -1314,6 +1341,7 @@ reename||rename
refcounf||refcount
refence||reference
refered||referred
+referencce||reference
referenace||reference
refererence||reference
refering||referring
@@ -1348,11 +1376,13 @@ replys||replies
reponse||response
representaion||representation
repsonse||response
+reqested||requested
reqeust||request
reqister||register
requed||requeued
requestied||requested
requiere||require
+requieres||requires
requirment||requirement
requred||required
requried||required
@@ -1440,6 +1470,7 @@ sequencial||sequential
serivce||service
serveral||several
servive||service
+sesion||session
setts||sets
settting||setting
shapshot||snapshot
@@ -1602,11 +1633,13 @@ trys||tries
thses||these
tiggers||triggers
tiggered||triggered
+tiggerring||triggering
tipically||typically
timeing||timing
timming||timing
timout||timeout
tmis||this
+tolarance||tolerance
toogle||toggle
torerable||tolerable
torlence||tolerance
@@ -1633,6 +1666,7 @@ trasfer||transfer
trasmission||transmission
trasmitter||transmitter
treshold||threshold
+trigged||triggered
triggerd||triggered
trigerred||triggered
trigerring||triggering
@@ -1648,6 +1682,7 @@ uknown||unknown
usccess||success
uncommited||uncommitted
uncompatible||incompatible
+uncomressed||uncompressed
unconditionaly||unconditionally
undeflow||underflow
undelying||underlying
@@ -1715,6 +1750,7 @@ utitity||utility
utitlty||utility
vaid||valid
vaild||valid
+validationg||validating
valide||valid
variantions||variations
varible||variable
@@ -1724,6 +1760,7 @@ verbse||verbose
veify||verify
verfication||verification
veriosn||version
+versoin||version
verisons||versions
verison||version
veritical||vertical
diff --git a/scripts/tags.sh b/scripts/tags.sh
index b21236377998..45eaf35f5bff 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -188,6 +188,7 @@ regex_c=(
'/^PCI_OP_WRITE([[:space:]]*\(\w*\).*[1-4])/pci_bus_write_config_\1/'
'/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
'/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
+ '/\<DEFINE_TIMER(\([^,)]*\),/\1/'
'/\<DECLARE_\(RWSEM\|COMPLETION\)([[:space:]]*\([[:alnum:]_]\+\)/\2/v/'
'/\<DECLARE_BITMAP([[:space:]]*\([[:alnum:]_]\+\)/\1/v/'
'/\(^\|\s\)\(\|L\|H\)LIST_HEAD([[:space:]]*\([[:alnum:]_]*\)/\3/v/'
@@ -212,6 +213,13 @@ regex_c=(
'/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_init/'
'/^\<DECLARE_IDTENTRY[[:alnum:]_]*([^,)]*,[[:space:]]*\([[:alnum:]_]\+\)/\1/'
'/^\<DEFINE_IDTENTRY[[:alnum:]_]*([[:space:]]*\([[:alnum:]_]\+\)/\1/'
+ '/^\<DEFINE_FREE(\([[:alnum:]_]\+\)/cleanup_\1/'
+ '/^\<DEFINE_CLASS(\([[:alnum:]_]\+\)/class_\1/'
+ '/^\<EXTEND_CLASS(\([[:alnum:]_]\+\),[[:space:]]*\([[:alnum:]_]\+\)/class_\1\2/'
+ '/^\<DEFINE_GUARD(\([[:alnum:]_]\+\)/class_\1/'
+ '/^\<DEFINE_GUARD_COND(\([[:alnum:]_]\+\),[[:space:]]*\([[:alnum:]_]\+\)/class_\1\2/'
+ '/^\<DEFINE_LOCK_GUARD_[[:digit:]](\([[:alnum:]_]\+\)/class_\1/'
+ '/^\<DEFINE_LOCK_GUARD_[[:digit:]]_COND(\([[:alnum:]_]\+\),[[:space:]]*\([[:alnum:]_]\+\)/class_\1\2/'
)
regex_kconfig=(
'/^[[:blank:]]*\(menu\|\)config[[:blank:]]\+\([[:alnum:]_]\+\)/\2/'
@@ -260,7 +268,8 @@ exuberant()
# identifiers to ignore by ctags
local ign=(
ACPI_EXPORT_SYMBOL
- DEFINE_{TRACE,MUTEX}
+ DECLARE_BITMAP
+ DEFINE_{TRACE,MUTEX,TIMER}
EXPORT_SYMBOL EXPORT_SYMBOL_GPL
EXPORT_TRACEPOINT_SYMBOL EXPORT_TRACEPOINT_SYMBOL_GPL
____cacheline_aligned ____cacheline_aligned_in_smp