diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/bpf_helpers_doc.py | 155 | ||||
| -rwxr-xr-x | scripts/checkpatch.pl | 17 | ||||
| -rw-r--r-- | scripts/dtc/Makefile | 4 | ||||
| -rwxr-xr-x | scripts/dtc/dtx_diff | 12 | ||||
| -rw-r--r-- | scripts/gdb/linux/symbols.py | 3 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 59 | ||||
| -rw-r--r-- | scripts/mod/modpost.h | 1 | ||||
| -rw-r--r-- | scripts/nsdeps | 6 | ||||
| -rw-r--r-- | scripts/spelling.txt | 28 | ||||
| -rwxr-xr-x | scripts/tools-support-relr.sh | 8 |
10 files changed, 259 insertions, 34 deletions
diff --git a/scripts/bpf_helpers_doc.py b/scripts/bpf_helpers_doc.py index 894cc58c1a03..7548569e8076 100755 --- a/scripts/bpf_helpers_doc.py +++ b/scripts/bpf_helpers_doc.py @@ -391,6 +391,154 @@ SEE ALSO print('') +class PrinterHelpers(Printer): + """ + A printer for dumping collected information about helpers as C header to + be included from BPF program. + @helpers: array of Helper objects to print to standard output + """ + + type_fwds = [ + 'struct bpf_fib_lookup', + 'struct bpf_perf_event_data', + 'struct bpf_perf_event_value', + 'struct bpf_sock', + 'struct bpf_sock_addr', + 'struct bpf_sock_ops', + 'struct bpf_sock_tuple', + 'struct bpf_spin_lock', + 'struct bpf_sysctl', + 'struct bpf_tcp_sock', + 'struct bpf_tunnel_key', + 'struct bpf_xfrm_state', + 'struct pt_regs', + 'struct sk_reuseport_md', + 'struct sockaddr', + 'struct tcphdr', + + 'struct __sk_buff', + 'struct sk_msg_md', + 'struct xdp_md', + ] + known_types = { + '...', + 'void', + 'const void', + 'char', + 'const char', + 'int', + 'long', + 'unsigned long', + + '__be16', + '__be32', + '__wsum', + + 'struct bpf_fib_lookup', + 'struct bpf_perf_event_data', + 'struct bpf_perf_event_value', + 'struct bpf_sock', + 'struct bpf_sock_addr', + 'struct bpf_sock_ops', + 'struct bpf_sock_tuple', + 'struct bpf_spin_lock', + 'struct bpf_sysctl', + 'struct bpf_tcp_sock', + 'struct bpf_tunnel_key', + 'struct bpf_xfrm_state', + 'struct pt_regs', + 'struct sk_reuseport_md', + 'struct sockaddr', + 'struct tcphdr', + } + mapped_types = { + 'u8': '__u8', + 'u16': '__u16', + 'u32': '__u32', + 'u64': '__u64', + 's8': '__s8', + 's16': '__s16', + 's32': '__s32', + 's64': '__s64', + 'size_t': 'unsigned long', + 'struct bpf_map': 'void', + 'struct sk_buff': 'struct __sk_buff', + 'const struct sk_buff': 'const struct __sk_buff', + 'struct sk_msg_buff': 'struct sk_msg_md', + 'struct xdp_buff': 'struct xdp_md', + } + + def print_header(self): + header = '''\ +/* This is auto-generated file. See bpf_helpers_doc.py for details. */ + +/* Forward declarations of BPF structs */''' + + print(header) + for fwd in self.type_fwds: + print('%s;' % fwd) + print('') + + def print_footer(self): + footer = '' + print(footer) + + def map_type(self, t): + if t in self.known_types: + return t + if t in self.mapped_types: + return self.mapped_types[t] + print("Unrecognized type '%s', please add it to known types!" % t, + file=sys.stderr) + sys.exit(1) + + seen_helpers = set() + + def print_one(self, helper): + proto = helper.proto_break_down() + + if proto['name'] in self.seen_helpers: + return + self.seen_helpers.add(proto['name']) + + print('/*') + print(" * %s" % proto['name']) + print(" *") + if (helper.desc): + # Do not strip all newline characters: formatted code at the end of + # a section must be followed by a blank line. + for line in re.sub('\n$', '', helper.desc, count=1).split('\n'): + print(' *{}{}'.format(' \t' if line else '', line)) + + if (helper.ret): + print(' *') + print(' * Returns') + for line in helper.ret.rstrip().split('\n'): + print(' *{}{}'.format(' \t' if line else '', line)) + + print(' */') + print('static %s %s(*%s)(' % (self.map_type(proto['ret_type']), + proto['ret_star'], proto['name']), end='') + comma = '' + for i, a in enumerate(proto['args']): + t = a['type'] + n = a['name'] + if proto['name'] == 'bpf_get_socket_cookie' and i == 0: + t = 'void' + n = 'ctx' + one_arg = '{}{}'.format(comma, self.map_type(t)) + if n: + if a['star']: + one_arg += ' {}'.format(a['star']) + else: + one_arg += ' ' + one_arg += '{}'.format(n) + comma = ', ' + print(one_arg, end='') + + print(') = (void *) %d;' % len(self.seen_helpers)) + print('') + ############################################################################### # If script is launched from scripts/ from kernel tree and can access @@ -405,6 +553,8 @@ Parse eBPF header file and generate documentation for eBPF helper functions. The RST-formatted output produced can be turned into a manual page with the rst2man utility. """) +argParser.add_argument('--header', action='store_true', + help='generate C header file') if (os.path.isfile(bpfh)): argParser.add_argument('--filename', help='path to include/uapi/linux/bpf.h', default=bpfh) @@ -417,5 +567,8 @@ headerParser = HeaderParser(args.filename) headerParser.run() # Print formatted output to standard output. -printer = PrinterRST(headerParser.helpers) +if args.header: + printer = PrinterHelpers(headerParser.helpers) +else: + printer = PrinterRST(headerParser.helpers) printer.print_all() diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 6fcc66afb088..592911a2f06c 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2826,6 +2826,14 @@ sub process { "added, moved or deleted file(s), does MAINTAINERS need updating?\n" . $herecurr); } +# Check for adding new DT bindings not in schema format + if (!$in_commit_log && + ($line =~ /^new file mode\s*\d+\s*$/) && + ($realfile =~ m@^Documentation/devicetree/bindings/.*\.txt$@)) { + WARN("DT_SCHEMA_BINDING_PATCH", + "DT bindings should be in DT schema format. See: Documentation/devicetree/writing-schema.rst\n"); + } + # Check for wrappage within a valid hunk of the file if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) { ERROR("CORRUPTED_PATCH", @@ -6015,14 +6023,18 @@ sub process { for (my $count = $linenr; $count <= $lc; $count++) { my $specifier; my $extension; + my $qualifier; my $bad_specifier = ""; my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0)); $fmt =~ s/%%//g; - while ($fmt =~ /(\%[\*\d\.]*p(\w))/g) { + while ($fmt =~ /(\%[\*\d\.]*p(\w)(\w*))/g) { $specifier = $1; $extension = $2; - if ($extension !~ /[SsBKRraEhMmIiUDdgVCbGNOxt]/) { + $qualifier = $3; + if ($extension !~ /[SsBKRraEehMmIiUDdgVCbGNOxtf]/ || + ($extension eq "f" && + defined $qualifier && $qualifier !~ /^w/)) { $bad_specifier = $specifier; last; } @@ -6039,7 +6051,6 @@ sub process { my $ext_type = "Invalid"; my $use = ""; if ($bad_specifier =~ /p[Ff]/) { - $ext_type = "Deprecated"; $use = " - use %pS instead"; $use =~ s/pS/ps/ if ($bad_specifier =~ /pf/); } diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index 82160808765c..b5a5b1c548c9 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile @@ -11,7 +11,7 @@ dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o # Source files need to get at the userspace version of libfdt_env.h to compile HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt -ifeq ($(wildcard /usr/include/yaml.h),) +ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),) ifneq ($(CHECK_DTBS),) $(error dtc needs libyaml for DT schema validation support. \ Install the necessary libyaml development package.) @@ -19,7 +19,7 @@ endif HOST_EXTRACFLAGS += -DNO_YAML else dtc-objs += yamltree.o -HOSTLDLIBS_dtc := -lyaml +HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs) endif # Generated files need one more search path to include headers in source tree diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff index 00fd4738a587..541c432e7d19 100755 --- a/scripts/dtc/dtx_diff +++ b/scripts/dtc/dtx_diff @@ -20,6 +20,8 @@ Usage: --annotate synonym for -T + --color synonym for -c (requires diff with --color support) + -c enable colored output -f print full dts in diff (--unified=99999) -h synonym for --help -help synonym for --help @@ -177,6 +179,7 @@ compile_to_dts() { annotate="" cmd_diff=0 diff_flags="-u" +diff_color="" dtx_file_1="" dtx_file_2="" dtc_sort="-s" @@ -188,6 +191,13 @@ while [ $# -gt 0 ] ; do case $1 in + -c | --color ) + if diff --color /dev/null /dev/null 2>/dev/null ; then + diff_color="--color=always" + fi + shift + ;; + -f ) diff_flags="--unified=999999" shift @@ -343,7 +353,7 @@ DTC="\ if (( ${cmd_diff} )) ; then - diff ${diff_flags} --label "${dtx_file_1}" --label "${dtx_file_2}" \ + diff ${diff_flags} ${diff_color} --label "${dtx_file_1}" --label "${dtx_file_2}" \ <(compile_to_dts "${dtx_file_1}" "${dtx_path_1_dtc_include}") \ <(compile_to_dts "${dtx_file_2}" "${dtx_path_2_dtc_include}") diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index 7b7c2fafbc68..be984aa29b75 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -99,7 +99,8 @@ lx-symbols command.""" attrs[n]['name'].string(): attrs[n]['address'] for n in range(int(sect_attrs['nsections']))} args = [] - for section_name in [".data", ".data..read_mostly", ".rodata", ".bss"]: + for section_name in [".data", ".data..read_mostly", ".rodata", ".bss", + ".text", ".text.hot", ".text.unlikely"]: address = section_name_to_address.get(section_name) if address: args.append(" -s {name} {addr}".format( diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 936d3ad23c83..d2a30a7b3f07 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -348,26 +348,38 @@ static enum export export_from_sec(struct elf_info *elf, unsigned int sec) return export_unknown; } -static char *sym_extract_namespace(const char **symname) +static const char *namespace_from_kstrtabns(struct elf_info *info, + Elf_Sym *kstrtabns) { - char *namespace = NULL; - char *ns_separator; + char *value = info->ksymtab_strings + kstrtabns->st_value; + return value[0] ? value : NULL; +} + +static void sym_update_namespace(const char *symname, const char *namespace) +{ + struct symbol *s = find_symbol(symname); - ns_separator = strchr(*symname, '.'); - if (ns_separator) { - namespace = NOFAIL(strndup(*symname, ns_separator - *symname)); - *symname = ns_separator + 1; + /* + * That symbol should have been created earlier and thus this is + * actually an assertion. + */ + if (!s) { + merror("Could not update namespace(%s) for symbol %s\n", + namespace, symname); + return; } - return namespace; + free(s->namespace); + s->namespace = + namespace && namespace[0] ? NOFAIL(strdup(namespace)) : NULL; } /** * Add an exported symbol - it may have already been added without a * CRC, in this case just update the CRC **/ -static struct symbol *sym_add_exported(const char *name, const char *namespace, - struct module *mod, enum export export) +static struct symbol *sym_add_exported(const char *name, struct module *mod, + enum export export) { struct symbol *s = find_symbol(name); @@ -383,8 +395,6 @@ static struct symbol *sym_add_exported(const char *name, const char *namespace, s->module = mod; } } - free(s->namespace); - s->namespace = namespace ? strdup(namespace) : NULL; s->preloaded = 0; s->vmlinux = is_vmlinux(mod->name); s->kernel = 0; @@ -583,6 +593,10 @@ static int parse_elf(struct elf_info *info, const char *filename) info->export_unused_gpl_sec = i; else if (strcmp(secname, "__ksymtab_gpl_future") == 0) info->export_gpl_future_sec = i; + else if (strcmp(secname, "__ksymtab_strings") == 0) + info->ksymtab_strings = (void *)hdr + + sechdrs[i].sh_offset - + sechdrs[i].sh_addr; if (sechdrs[i].sh_type == SHT_SYMTAB) { unsigned int sh_link_idx; @@ -672,7 +686,6 @@ static void handle_modversions(struct module *mod, struct elf_info *info, enum export export; bool is_crc = false; const char *name; - char *namespace; if ((!is_vmlinux(mod->name) || mod->is_dot_o) && strstarts(symname, "__ksymtab")) @@ -745,9 +758,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, /* All exported symbols */ if (strstarts(symname, "__ksymtab_")) { name = symname + strlen("__ksymtab_"); - namespace = sym_extract_namespace(&name); - sym_add_exported(name, namespace, mod, export); - free(namespace); + sym_add_exported(name, mod, export); } if (strcmp(symname, "init_module") == 0) mod->has_init = 1; @@ -2043,6 +2054,16 @@ static void read_symbols(const char *modname) handle_moddevtable(mod, &info, sym, symname); } + /* Apply symbol namespaces from __kstrtabns_<symbol> entries. */ + for (sym = info.symtab_start; sym < info.symtab_stop; sym++) { + symname = remove_dot(info.strtab + sym->st_name); + + if (strstarts(symname, "__kstrtabns_")) + sym_update_namespace(symname + strlen("__kstrtabns_"), + namespace_from_kstrtabns(&info, + sym)); + } + // check for static EXPORT_SYMBOL_* functions && global vars for (sym = info.symtab_start; sym < info.symtab_stop; sym++) { unsigned char bind = ELF_ST_BIND(sym->st_info); @@ -2196,7 +2217,7 @@ static int check_exports(struct module *mod) else basename = mod->name; - if (exp->namespace && exp->namespace[0]) { + if (exp->namespace) { add_namespace(&mod->required_namespaces, exp->namespace); @@ -2454,12 +2475,12 @@ static void read_dump(const char *fname, unsigned int kernel) mod = new_module(modname); mod->skip = 1; } - s = sym_add_exported(symname, namespace, mod, - export_no(export)); + s = sym_add_exported(symname, mod, export_no(export)); s->kernel = kernel; s->preloaded = 1; s->is_static = 0; sym_update_crc(symname, mod, crc, export_no(export)); + sym_update_namespace(symname, namespace); } release_file(file, size); return; diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h index 92a926d375d2..ad271bc6c313 100644 --- a/scripts/mod/modpost.h +++ b/scripts/mod/modpost.h @@ -143,6 +143,7 @@ struct elf_info { Elf_Section export_gpl_sec; Elf_Section export_unused_gpl_sec; Elf_Section export_gpl_future_sec; + char *ksymtab_strings; char *strtab; char *modinfo; unsigned int modinfo_len; diff --git a/scripts/nsdeps b/scripts/nsdeps index 3754dac13b31..04cea0921673 100644 --- a/scripts/nsdeps +++ b/scripts/nsdeps @@ -31,12 +31,12 @@ generate_deps() { local mod_file=`echo $@ | sed -e 's/\.ko/\.mod/'` local ns_deps_file=`echo $@ | sed -e 's/\.ko/\.ns_deps/'` if [ ! -f "$ns_deps_file" ]; then return; fi - local mod_source_files=`cat $mod_file | sed -n 1p \ + local mod_source_files="`cat $mod_file | sed -n 1p \ | sed -e 's/\.o/\.c/g' \ - | sed "s/[^ ]* */${srctree}\/&/g"` + | sed "s|[^ ]* *|${srctree}/&|g"`" for ns in `cat $ns_deps_file`; do echo "Adding namespace $ns to module $mod_name (if needed)." - generate_deps_for_ns $ns $mod_source_files + generate_deps_for_ns $ns "$mod_source_files" # sort the imports for source_file in $mod_source_files; do sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp diff --git a/scripts/spelling.txt b/scripts/spelling.txt index de75b9feaaed..672b5931bc8d 100644 --- a/scripts/spelling.txt +++ b/scripts/spelling.txt @@ -87,6 +87,7 @@ algorith||algorithm algorithmical||algorithmically algoritm||algorithm algoritms||algorithms +algorithmn||algorithm algorrithm||algorithm algorritm||algorithm aligment||alignment @@ -109,6 +110,7 @@ alredy||already altough||although alue||value ambigious||ambiguous +ambigous||ambiguous amoung||among amout||amount amplifer||amplifier @@ -179,6 +181,7 @@ attepmpt||attempt attnetion||attention attruibutes||attributes authentification||authentication +authenicated||authenticated automaticaly||automatically automaticly||automatically automatize||automate @@ -286,6 +289,7 @@ claread||cleared clared||cleared closeing||closing clustred||clustered +cnfiguration||configuration coexistance||coexistence colescing||coalescing collapsable||collapsible @@ -325,9 +329,11 @@ comression||compression comunication||communication conbination||combination conditionaly||conditionally +conditon||condition conected||connected conector||connector connecetd||connected +configration||configuration configuartion||configuration configuation||configuration configued||configured @@ -347,6 +353,7 @@ containts||contains contaisn||contains contant||contact contence||contents +contiguos||contiguous continious||continuous continous||continuous continously||continuously @@ -380,6 +387,7 @@ cylic||cyclic dafault||default deafult||default deamon||daemon +debouce||debounce decompres||decompress decsribed||described decription||description @@ -448,6 +456,7 @@ diffrent||different differenciate||differentiate diffrentiate||differentiate difinition||definition +digial||digital dimention||dimension dimesions||dimensions dispalying||displaying @@ -489,6 +498,7 @@ droput||dropout druing||during dynmaic||dynamic eanable||enable +eanble||enable easilly||easily ecspecially||especially edditable||editable @@ -502,6 +512,7 @@ elementry||elementary eletronic||electronic embeded||embedded enabledi||enabled +enbale||enable enble||enable enchanced||enhanced encorporating||incorporating @@ -536,6 +547,7 @@ excellant||excellent execeeded||exceeded execeeds||exceeds exeed||exceed +exeuction||execution existance||existence existant||existent exixt||exist @@ -601,10 +613,12 @@ frambuffer||framebuffer framming||framing framwork||framework frequncy||frequency +frequancy||frequency frome||from fucntion||function fuction||function fuctions||functions +fullill||fulfill funcation||function funcion||function functionallity||functionality @@ -642,6 +656,7 @@ happend||happened harware||hardware heirarchically||hierarchically helpfull||helpful +hexdecimal||hexadecimal hybernate||hibernate hierachy||hierarchy hierarchie||hierarchy @@ -709,12 +724,14 @@ initalize||initialize initation||initiation initators||initiators initialiazation||initialization +initializationg||initialization initializiation||initialization initialze||initialize initialzed||initialized initialzing||initializing initilization||initialization initilize||initialize +initliaze||initialize inofficial||unofficial inrerface||interface insititute||institute @@ -779,6 +796,7 @@ itertation||iteration itslef||itself jave||java jeffies||jiffies +jumpimng||jumping juse||just jus||just kown||known @@ -839,6 +857,7 @@ messags||messages messgaes||messages messsage||message messsages||messages +metdata||metadata micropone||microphone microprocesspr||microprocessor migrateable||migratable @@ -857,6 +876,7 @@ mismactch||mismatch missign||missing missmanaged||mismanaged missmatch||mismatch +misssing||missing miximum||maximum mmnemonic||mnemonic mnay||many @@ -912,6 +932,7 @@ occured||occurred occuring||occurring offser||offset offet||offset +offlaod||offload offloded||offloaded offseting||offsetting omited||omitted @@ -993,6 +1014,7 @@ poiter||pointer posible||possible positon||position possibilites||possibilities +potocol||protocol powerfull||powerful pramater||parameter preamle||preamble @@ -1061,11 +1083,13 @@ psychadelic||psychedelic pwoer||power queing||queuing quering||querying +queus||queues randomally||randomly raoming||roaming reasearcher||researcher reasearchers||researchers reasearch||research +receieve||receive recepient||recipient recevied||received receving||receiving @@ -1166,6 +1190,7 @@ scaleing||scaling scaned||scanned scaning||scanning scarch||search +schdule||schedule seach||search searchs||searches secquence||sequence @@ -1308,6 +1333,7 @@ taskelt||tasklet teh||the temorary||temporary temproarily||temporarily +temperture||temperature thead||thread therfore||therefore thier||their @@ -1354,6 +1380,7 @@ uknown||unknown usupported||unsupported uncommited||uncommitted unconditionaly||unconditionally +undeflow||underflow underun||underrun unecessary||unnecessary unexecpted||unexpected @@ -1414,6 +1441,7 @@ varible||variable varient||variant vaule||value verbse||verbose +veify||verify verisons||versions verison||version verson||version diff --git a/scripts/tools-support-relr.sh b/scripts/tools-support-relr.sh index 97a2c844a95e..45e8aa360b45 100755 --- a/scripts/tools-support-relr.sh +++ b/scripts/tools-support-relr.sh @@ -4,13 +4,13 @@ tmp_file=$(mktemp) trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT -cat << "END" | "$CC" -c -x c - -o $tmp_file.o >/dev/null 2>&1 +cat << "END" | $CC -c -x c - -o $tmp_file.o >/dev/null 2>&1 void *p = &p; END -"$LD" $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file +$LD $tmp_file.o -shared -Bsymbolic --pack-dyn-relocs=relr -o $tmp_file # Despite printing an error message, GNU nm still exits with exit code 0 if it # sees a relr section. So we need to check that nothing is printed to stderr. -test -z "$("$NM" $tmp_file 2>&1 >/dev/null)" +test -z "$($NM $tmp_file 2>&1 >/dev/null)" -"$OBJCOPY" -O binary $tmp_file $tmp_file.bin +$OBJCOPY -O binary $tmp_file $tmp_file.bin |