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 | ||||
| -rwxr-xr-x | scripts/kernel-doc | 40 | ||||
| -rw-r--r-- | scripts/mod/modpost.c | 5 |
4 files changed, 55 insertions, 4 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 @@ +#!/bin/sh + +echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs" +if [ "$?" -eq "0" ] ; then + echo y +else + echo n +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 @@ #!/bin/sh -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" +echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" if [ "$?" -eq "0" ] ; then - echo $2 + echo y +else + echo n fi diff --git a/scripts/kernel-doc b/scripts/kernel-doc index 8bb83a100edb..0f11870116dc 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -1827,6 +1827,40 @@ sub reset_state { $state = 0; } +sub syscall_munge() { + my $void = 0; + + $prototype =~ s@[\r\n\t]+@ @gos; # strip newlines/CR's/tabs +## if ($prototype =~ m/SYSCALL_DEFINE0\s*\(\s*(a-zA-Z0-9_)*\s*\)/) { + if ($prototype =~ m/SYSCALL_DEFINE0/) { + $void = 1; +## $prototype = "long sys_$1(void)"; + } + + $prototype =~ s/SYSCALL_DEFINE.*\(/long sys_/; # fix return type & func name + if ($prototype =~ m/long (sys_.*?),/) { + $prototype =~ s/,/\(/; + } elsif ($void) { + $prototype =~ s/\)/\(void\)/; + } + + # now delete all of the odd-number commas in $prototype + # so that arg types & arg names don't have a comma between them + my $count = 0; + my $len = length($prototype); + if ($void) { + $len = 0; # skip the for-loop + } + for (my $ix = 0; $ix < $len; $ix++) { + if (substr($prototype, $ix, 1) eq ',') { + $count++; + if ($count % 2 == 1) { + substr($prototype, $ix, 1) = ' '; + } + } + } +} + sub process_state3_function($$) { my $x = shift; my $file = shift; @@ -1839,11 +1873,15 @@ sub process_state3_function($$) { elsif ($x =~ /([^\{]*)/) { $prototype .= $1; } + if (($x =~ /\{/) || ($x =~ /\#\s*define/) || ($x =~ /;/)) { $prototype =~ s@/\*.*?\*/@@gos; # strip comments. $prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's. $prototype =~ s@^\s+@@gos; # strip leading spaces - dump_function($prototype,$file); + if ($prototype =~ /SYSCALL_DEFINE/) { + syscall_munge(); + } + dump_function($prototype, $file); reset_state(); } } 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) const char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset; const char *secname; + int nobits = sechdrs[i].sh_type == SHT_NOBITS; - if (sechdrs[i].sh_offset > info->size) { + if (!nobits && sechdrs[i].sh_offset > info->size) { fatal("%s is truncated. sechdrs[i].sh_offset=%lu > " "sizeof(*hrd)=%zu\n", filename, (unsigned long)sechdrs[i].sh_offset, @@ -425,6 +426,8 @@ static int parse_elf(struct elf_info *info, const char *filename) } secname = secstrings + sechdrs[i].sh_name; if (strcmp(secname, ".modinfo") == 0) { + if (nobits) + fatal("%s has NOBITS .modinfo\n", filename); info->modinfo = (void *)hdr + sechdrs[i].sh_offset; info->modinfo_len = sechdrs[i].sh_size; } else if (strcmp(secname, "__ksymtab") == 0) |