7 files changed, 53 insertions, 10 deletions

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index e06365775bdf..3b949a354470 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -186,3 +186,17 @@ quiet_cmd_gzip = GZIP    $@
 cmd_gzip = gzip -f -9 < $< > $@
 
 
+# Bzip2
+# ---------------------------------------------------------------------------
+
+# Bzip2 does not include size in file... so we have to fake that
+size_append=$(CONFIG_SHELL) $(srctree)/scripts/bin_size
+
+quiet_cmd_bzip2 = BZIP2    $@
+cmd_bzip2 = (bzip2 -9 < $< && $(size_append) $<) > $@ || (rm -f $@ ; false)
+
+# Lzma
+# ---------------------------------------------------------------------------
+
+quiet_cmd_lzma = LZMA    $@
+cmd_lzma = (lzma -9 -c $< && $(size_append) $<) >$@ || (rm -f $@ ; false)
diff --git a/scripts/bin_size b/scripts/bin_size
new file mode 100644
index 000000000000..43e1b360cee6
--- /dev/null
+++ b/scripts/bin_size
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+if [ $# = 0 ] ; then
+   echo Usage: $0 file
+fi
+
+size_dec=`stat -c "%s" $1`
+size_hex_echo_string=`printf "%08x" $size_dec |
+     sed 's/\(..\)\(..\)\(..\)\(..\)/\\\\x\4\\\\x\3\\\\x\2\\\\x\1/g'`
+/bin/echo -ne $size_hex_echo_string
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/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index 5f3415f28736..3eea8f15131b 100644
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -5,7 +5,7 @@
 # Released under the terms of the GNU GPL
 #
 # Generate a cpio packed initramfs. It uses gen_init_cpio to generate
-# the cpio archive, and gzip to pack it.
+# the cpio archive, and then compresses it.
 # The script may also be used to generate the inputfile used for gen_init_cpio
 # This script assumes that gen_init_cpio is located in usr/ directory
 
@@ -16,8 +16,8 @@ usage() {
 cat << EOF
 Usage:
 $0 [-o <file>] [-u <uid>] [-g <gid>] {-d | <cpio_source>} ...
-        -o <file>      Create gzipped initramfs file named <file> using
-                       gen_init_cpio and gzip
+        -o <file>      Create compressed initramfs file named <file> using
+                       gen_init_cpio and compressor depending on the extension
         -u <uid>       User ID to map to user ID 0 (root).
                        <uid> is only meaningful if <cpio_source> is a
                        directory.  "squash" forces all files to uid 0.
@@ -225,6 +225,7 @@ cpio_list=
 output="/dev/stdout"
 output_file=""
 is_cpio_compressed=
+compr="gzip -9 -f"
 
 arg="$1"
 case "$arg" in
@@ -233,11 +234,15 @@ case "$arg" in
                 echo "deps_initramfs := \\"
                 shift
                 ;;
-        "-o")   # generate gzipped cpio image named $1
+        "-o")   # generate compressed cpio image named $1
                 shift
                 output_file="$1"
                 cpio_list="$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)"
                 output=${cpio_list}
+                echo "$output_file" | grep -q "\.gz$" && compr="gzip -9 -f"
+                echo "$output_file" | grep -q "\.bz2$" && compr="bzip2 -9 -f"
+                echo "$output_file" | grep -q "\.lzma$" && compr="lzma -9 -f"
+                echo "$output_file" | grep -q "\.cpio$" && compr="cat"
                 shift
                 ;;
 esac
@@ -274,7 +279,7 @@ while [ $# -gt 0 ]; do
         esac
 done
 
-# If output_file is set we will generate cpio archive and gzip it
+# If output_file is set we will generate cpio archive and compress it
 # we are carefull to delete tmp files
 if [ ! -z ${output_file} ]; then
         if [ -z ${cpio_file} ]; then
@@ -287,7 +292,8 @@ if [ ! -z ${output_file} ]; then
         if [ "${is_cpio_compressed}" = "compressed" ]; then
                 cat ${cpio_tfile} > ${output_file}
         else
-                cat ${cpio_tfile} | gzip -f -9 - > ${output_file}
+                (cat ${cpio_tfile} | ${compr}  - > ${output_file}) \
+                || (rm -f ${output_file} ; false)
         fi
         [ -z ${cpio_file} ] && rm ${cpio_tfile}
 fi
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
index db30fac3083e..56f90a480899 100644
--- a/scripts/headers_check.pl
+++ b/scripts/headers_check.pl
@@ -38,7 +38,7 @@ foreach my $file (@files) {
                 &check_asm_types();
                 &check_sizetypes();
                 &check_prototypes();
-                &check_config();
+                # Dropped for now. Too much noise &check_config();
         }
         close FH;
 }
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)