diff options
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/mod/modpost.c | 55 | ||||
-rwxr-xr-x | scripts/setlocalversion | 13 | ||||
-rwxr-xr-x | scripts/tags.sh | 2 |
3 files changed, 29 insertions, 41 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 8d46ea7d6715..936b6f8e46ff 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c | |||
@@ -716,41 +716,27 @@ int match(const char *sym, const char * const pat[]) | |||
716 | 716 | ||
717 | /* sections that we do not want to do full section mismatch check on */ | 717 | /* sections that we do not want to do full section mismatch check on */ |
718 | static const char *section_white_list[] = | 718 | static const char *section_white_list[] = |
719 | { ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL }; | 719 | { ".comment", ".debug*", ".stab*", ".note*", ".got*", ".toc*", NULL }; |
720 | 720 | ||
721 | /* | 721 | /* |
722 | * Is this section one we do not want to check? | 722 | * This is used to find sections missing the SHF_ALLOC flag. |
723 | * This is often debug sections. | ||
724 | * If we are going to check this section then | ||
725 | * test if section name ends with a dot and a number. | ||
726 | * This is used to find sections where the linker have | ||
727 | * appended a dot-number to make the name unique. | ||
728 | * The cause of this is often a section specified in assembler | 723 | * The cause of this is often a section specified in assembler |
729 | * without "ax" / "aw" and the same section used in .c | 724 | * without "ax" / "aw". |
730 | * code where gcc add these. | ||
731 | */ | 725 | */ |
732 | static int check_section(const char *modname, const char *sec) | 726 | static void check_section(const char *modname, struct elf_info *elf, |
733 | { | 727 | Elf_Shdr *sechdr) |
734 | const char *e = sec + strlen(sec) - 1; | 728 | { |
735 | if (match(sec, section_white_list)) | 729 | const char *sec = sech_name(elf, sechdr); |
736 | return 1; | 730 | |
737 | 731 | if (sechdr->sh_type == SHT_PROGBITS && | |
738 | if (*e && isdigit(*e)) { | 732 | !(sechdr->sh_flags & SHF_ALLOC) && |
739 | /* consume all digits */ | 733 | !match(sec, section_white_list)) { |
740 | while (*e && e != sec && isdigit(*e)) | 734 | warn("%s (%s): unexpected non-allocatable section.\n" |
741 | e--; | 735 | "Did you forget to use \"ax\"/\"aw\" in a .S file?\n" |
742 | if (*e == '.' && !strstr(sec, ".linkonce")) { | 736 | "Note that for example <linux/init.h> contains\n" |
743 | warn("%s (%s): unexpected section name.\n" | 737 | "section definitions for use in .S files.\n\n", |
744 | "The (.[number]+) following section name are " | 738 | modname, sec); |
745 | "ld generated and not expected.\n" | ||
746 | "Did you forget to use \"ax\"/\"aw\" " | ||
747 | "in a .S file?\n" | ||
748 | "Note that for example <linux/init.h> contains\n" | ||
749 | "section definitions for use in .S files.\n\n", | ||
750 | modname, sec); | ||
751 | } | ||
752 | } | 739 | } |
753 | return 0; | ||
754 | } | 740 | } |
755 | 741 | ||
756 | 742 | ||
@@ -928,8 +914,7 @@ static int section_mismatch(const char *fromsec, const char *tosec) | |||
928 | * *probe_one, *_console, *_timer | 914 | * *probe_one, *_console, *_timer |
929 | * | 915 | * |
930 | * Pattern 3: | 916 | * Pattern 3: |
931 | * Whitelist all refereces from .text.head to .init.data | 917 | * Whitelist all references from .head.text to any init section |
932 | * Whitelist all refereces from .text.head to .init.text | ||
933 | * | 918 | * |
934 | * Pattern 4: | 919 | * Pattern 4: |
935 | * Some symbols belong to init section but still it is ok to reference | 920 | * Some symbols belong to init section but still it is ok to reference |
@@ -1359,7 +1344,7 @@ static void section_rela(const char *modname, struct elf_info *elf, | |||
1359 | fromsec = sech_name(elf, sechdr); | 1344 | fromsec = sech_name(elf, sechdr); |
1360 | fromsec += strlen(".rela"); | 1345 | fromsec += strlen(".rela"); |
1361 | /* if from section (name) is know good then skip it */ | 1346 | /* if from section (name) is know good then skip it */ |
1362 | if (check_section(modname, fromsec)) | 1347 | if (match(fromsec, section_white_list)) |
1363 | return; | 1348 | return; |
1364 | 1349 | ||
1365 | for (rela = start; rela < stop; rela++) { | 1350 | for (rela = start; rela < stop; rela++) { |
@@ -1403,7 +1388,7 @@ static void section_rel(const char *modname, struct elf_info *elf, | |||
1403 | fromsec = sech_name(elf, sechdr); | 1388 | fromsec = sech_name(elf, sechdr); |
1404 | fromsec += strlen(".rel"); | 1389 | fromsec += strlen(".rel"); |
1405 | /* if from section (name) is know good then skip it */ | 1390 | /* if from section (name) is know good then skip it */ |
1406 | if (check_section(modname, fromsec)) | 1391 | if (match(fromsec, section_white_list)) |
1407 | return; | 1392 | return; |
1408 | 1393 | ||
1409 | for (rel = start; rel < stop; rel++) { | 1394 | for (rel = start; rel < stop; rel++) { |
@@ -1466,6 +1451,7 @@ static void check_sec_ref(struct module *mod, const char *modname, | |||
1466 | 1451 | ||
1467 | /* Walk through all sections */ | 1452 | /* Walk through all sections */ |
1468 | for (i = 0; i < elf->hdr->e_shnum; i++) { | 1453 | for (i = 0; i < elf->hdr->e_shnum; i++) { |
1454 | check_section(modname, elf, &elf->sechdrs[i]); | ||
1469 | /* We want to process only relocation sections and not .init */ | 1455 | /* We want to process only relocation sections and not .init */ |
1470 | if (sechdrs[i].sh_type == SHT_RELA) | 1456 | if (sechdrs[i].sh_type == SHT_RELA) |
1471 | section_rela(modname, elf, &elf->sechdrs[i]); | 1457 | section_rela(modname, elf, &elf->sechdrs[i]); |
@@ -1990,6 +1976,7 @@ static void read_markers(const char *fname) | |||
1990 | if (!mod->skip) | 1976 | if (!mod->skip) |
1991 | add_marker(mod, marker, fmt); | 1977 | add_marker(mod, marker, fmt); |
1992 | } | 1978 | } |
1979 | release_file(file, size); | ||
1993 | return; | 1980 | return; |
1994 | fail: | 1981 | fail: |
1995 | fatal("parse error in markers list file\n"); | 1982 | fatal("parse error in markers list file\n"); |
diff --git a/scripts/setlocalversion b/scripts/setlocalversion index 47e75b69a2e9..32c8554f3946 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion | |||
@@ -10,13 +10,12 @@ cd "${1:-.}" || usage | |||
10 | 10 | ||
11 | # Check for git and a git repo. | 11 | # Check for git and a git repo. |
12 | if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then | 12 | if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then |
13 | # Do we have an untagged version? | 13 | # Do we have an untagged tag? |
14 | if git name-rev --tags HEAD | grep -E '^HEAD[[:space:]]+(.*~[0-9]*|undefined)$' > /dev/null; then | 14 | if atag=`git describe 2>/dev/null`; then |
15 | if tag=`git describe 2>/dev/null`; then | 15 | echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' |
16 | echo $tag | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}' | 16 | # add -g${head}, if there is no usable tag |
17 | else | 17 | else |
18 | printf '%s%s' -g $head | 18 | printf '%s%s' -g $head |
19 | fi | ||
20 | fi | 19 | fi |
21 | 20 | ||
22 | # Is this git on svn? | 21 | # Is this git on svn? |
diff --git a/scripts/tags.sh b/scripts/tags.sh index 5bd8b1003d44..4a34ec591e8c 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh | |||
@@ -164,10 +164,12 @@ case "$1" in | |||
164 | ;; | 164 | ;; |
165 | 165 | ||
166 | "tags") | 166 | "tags") |
167 | rm -f tags | ||
167 | xtags ctags | 168 | xtags ctags |
168 | ;; | 169 | ;; |
169 | 170 | ||
170 | "TAGS") | 171 | "TAGS") |
172 | rm -f TAGS | ||
171 | xtags etags | 173 | xtags etags |
172 | ;; | 174 | ;; |
173 | esac | 175 | esac |