diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/checkstack.pl | 4 | ||||
| -rwxr-xr-x | scripts/decode_stacktrace.sh | 2 | ||||
| -rw-r--r-- | scripts/kconfig/zconf.l | 4 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 50 |
4 files changed, 32 insertions, 28 deletions
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index dd8397894d5c..12a6940741fe 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -46,8 +46,8 @@ my (@stack, $re, $dre, $x, $xs, $funcre); $xs = "[0-9a-f ]"; # hex character or space $funcre = qr/^$x* <(.*)>:$/; if ($arch eq 'aarch64') { - #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp,#-80]! - $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o; + #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp, #-80]! + $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o; } elsif ($arch eq 'arm') { #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o; diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh index 00d6d53c2681..ffc46c7c3afb 100755 --- a/scripts/decode_stacktrace.sh +++ b/scripts/decode_stacktrace.sh @@ -64,7 +64,7 @@ parse_symbol() { fi # Strip out the base of the path - code=${code//$basepath/""} + code=${code//^$basepath/""} # In the case of inlines, move everything to same line code=${code//$'\n'/' '} diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index c410d257da06..0c7800112ff5 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -71,7 +71,7 @@ static void warn_ignored_character(char chr) { fprintf(stderr, "%s:%d:warning: ignoring unsupported character '%c'\n", - zconf_curname(), zconf_lineno(), chr); + current_file->name, yylineno, chr); } %} @@ -191,6 +191,8 @@ n [A-Za-z0-9_-] } <<EOF>> { BEGIN(INITIAL); + yylval.string = text; + return T_WORD_QUOTE; } } diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 064fbfbbb22c..81b1c02a76fa 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1197,6 +1197,30 @@ static int secref_whitelist(const struct sectioncheck *mismatch, return 1; } +static inline int is_arm_mapping_symbol(const char *str) +{ + return str[0] == '$' && strchr("axtd", str[1]) + && (str[2] == '\0' || str[2] == '.'); +} + +/* + * If there's no name there, ignore it; likewise, ignore it if it's + * one of the magic symbols emitted used by current ARM tools. + * + * Otherwise if find_symbols_between() returns those symbols, they'll + * fail the whitelist tests and cause lots of false alarms ... fixable + * only by merging __exit and __init sections into __text, bloating + * the kernel (which is especially evil on embedded platforms). + */ +static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym) +{ + const char *name = elf->strtab + sym->st_name; + + if (!name || !strlen(name)) + return 0; + return !is_arm_mapping_symbol(name); +} + /** * Find symbol based on relocation record info. * In some cases the symbol supplied is a valid symbol so @@ -1222,6 +1246,8 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr, continue; if (ELF_ST_TYPE(sym->st_info) == STT_SECTION) continue; + if (!is_valid_name(elf, sym)) + continue; if (sym->st_value == addr) return sym; /* Find a symbol nearby - addr are maybe negative */ @@ -1240,30 +1266,6 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr, return NULL; } -static inline int is_arm_mapping_symbol(const char *str) -{ - return str[0] == '$' && strchr("axtd", str[1]) - && (str[2] == '\0' || str[2] == '.'); -} - -/* - * If there's no name there, ignore it; likewise, ignore it if it's - * one of the magic symbols emitted used by current ARM tools. - * - * Otherwise if find_symbols_between() returns those symbols, they'll - * fail the whitelist tests and cause lots of false alarms ... fixable - * only by merging __exit and __init sections into __text, bloating - * the kernel (which is especially evil on embedded platforms). - */ -static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym) -{ - const char *name = elf->strtab + sym->st_name; - - if (!name || !strlen(name)) - return 0; - return !is_arm_mapping_symbol(name); -} - /* * Find symbols before or equal addr and after addr - in the section sec. * If we find two symbols with equal offset prefer one with a valid name. |