diff options
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/gcc-x86_32-has-stack-protector.sh | 8 | ||||
-rw-r--r-- | scripts/gcc-x86_64-has-stack-protector.sh | 6 | ||||
-rw-r--r-- | scripts/mod/modpost.c | 5 |
3 files changed, 16 insertions, 3 deletions
diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh new file mode 100644 index 000000000000..29493dc4528d --- /dev/null +++ b/scripts/gcc-x86_32-has-stack-protector.sh | |||
@@ -0,0 +1,8 @@ | |||
1 | #!/bin/sh | ||
2 | |||
3 | echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs" | ||
4 | if [ "$?" -eq "0" ] ; then | ||
5 | echo y | ||
6 | else | ||
7 | echo n | ||
8 | fi | ||
diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh index 325c0a1b03b6..afaec618b395 100644 --- a/scripts/gcc-x86_64-has-stack-protector.sh +++ b/scripts/gcc-x86_64-has-stack-protector.sh | |||
@@ -1,6 +1,8 @@ | |||
1 | #!/bin/sh | 1 | #!/bin/sh |
2 | 2 | ||
3 | echo "int foo(void) { char X[200]; return 3; }" | $1 -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" | 3 | echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" |
4 | if [ "$?" -eq "0" ] ; then | 4 | if [ "$?" -eq "0" ] ; then |
5 | echo $2 | 5 | echo y |
6 | else | ||
7 | echo n | ||
6 | fi | 8 | fi |
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 88921611b22e..7e62303133dc 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c | |||
@@ -415,8 +415,9 @@ static int parse_elf(struct elf_info *info, const char *filename) | |||
415 | const char *secstrings | 415 | const char *secstrings |
416 | = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; | 416 | = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; |
417 | const char *secname; | 417 | const char *secname; |
418 | int nobits = sechdrs[i].sh_type == SHT_NOBITS; | ||
418 | 419 | ||
419 | if (sechdrs[i].sh_offset > info->size) { | 420 | if (!nobits && sechdrs[i].sh_offset > info->size) { |
420 | fatal("%s is truncated. sechdrs[i].sh_offset=%lu > " | 421 | fatal("%s is truncated. sechdrs[i].sh_offset=%lu > " |
421 | "sizeof(*hrd)=%zu\n", filename, | 422 | "sizeof(*hrd)=%zu\n", filename, |
422 | (unsigned long)sechdrs[i].sh_offset, | 423 | (unsigned long)sechdrs[i].sh_offset, |
@@ -425,6 +426,8 @@ static int parse_elf(struct elf_info *info, const char *filename) | |||
425 | } | 426 | } |
426 | secname = secstrings + sechdrs[i].sh_name; | 427 | secname = secstrings + sechdrs[i].sh_name; |
427 | if (strcmp(secname, ".modinfo") == 0) { | 428 | if (strcmp(secname, ".modinfo") == 0) { |
429 | if (nobits) | ||
430 | fatal("%s has NOBITS .modinfo\n", filename); | ||
428 | info->modinfo = (void *)hdr + sechdrs[i].sh_offset; | 431 | info->modinfo = (void *)hdr + sechdrs[i].sh_offset; |
429 | info->modinfo_len = sechdrs[i].sh_size; | 432 | info->modinfo_len = sechdrs[i].sh_size; |
430 | } else if (strcmp(secname, "__ksymtab") == 0) | 433 | } else if (strcmp(secname, "__ksymtab") == 0) |