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-rw-r--r--scripts/gcc-x86_32-has-stack-protector.sh8
-rw-r--r--scripts/gcc-x86_64-has-stack-protector.sh6
-rwxr-xr-xscripts/kernel-doc40
-rw-r--r--scripts/mod/modpost.c5
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 00000000000..29493dc4528
--- /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 325c0a1b03b..afaec618b39 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 8bb83a100ed..0f11870116d 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 88921611b22..7e62303133d 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)