diff options
Diffstat (limited to 'arch/powerpc/tools/head_check.sh')
| -rw-r--r-- | arch/powerpc/tools/head_check.sh | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/arch/powerpc/tools/head_check.sh b/arch/powerpc/tools/head_check.sh index ad9e57209aa4..689907cda996 100644 --- a/arch/powerpc/tools/head_check.sh +++ b/arch/powerpc/tools/head_check.sh @@ -31,8 +31,10 @@ # level entry code (boot, interrupt vectors, etc) until r2 is set up. This # could cause the kernel to die in early boot. -# Turn this on if you want more debug output: -# set -x +# Allow for verbose output +if [ "$V" = "1" ]; then + set -x +fi if [ $# -lt 2 ]; then echo "$0 [path to nm] [path to vmlinux]" 1>&2 @@ -44,33 +46,33 @@ nm="$1" vmlinux="$2" # gcc-4.6-era toolchain make _stext an A (absolute) symbol rather than T -$nm "$vmlinux" | grep -e " [TA] _stext$" -e " t start_first_256B$" -e " a text_start$" -e " t start_text$" -m4 > .tmp_symbols.txt +$nm "$vmlinux" | grep -e " [TA] _stext$" -e " t start_first_256B$" -e " a text_start$" -e " t start_text$" > .tmp_symbols.txt -vma=$(cat .tmp_symbols.txt | grep -e " [TA] _stext$" | cut -d' ' -f1) +vma=$(grep -e " [TA] _stext$" .tmp_symbols.txt | cut -d' ' -f1) -expected_start_head_addr=$vma +expected_start_head_addr="$vma" -start_head_addr=$(cat .tmp_symbols.txt | grep " t start_first_256B$" | cut -d' ' -f1) +start_head_addr=$(grep " t start_first_256B$" .tmp_symbols.txt | cut -d' ' -f1) if [ "$start_head_addr" != "$expected_start_head_addr" ]; then - echo "ERROR: head code starts at $start_head_addr, should be $expected_start_head_addr" - echo "ERROR: try to enable LD_HEAD_STUB_CATCH config option" - echo "ERROR: see comments in arch/powerpc/tools/head_check.sh" + echo "ERROR: head code starts at $start_head_addr, should be $expected_start_head_addr" 1>&2 + echo "ERROR: try to enable LD_HEAD_STUB_CATCH config option" 1>&2 + echo "ERROR: see comments in arch/powerpc/tools/head_check.sh" 1>&2 exit 1 fi -top_vma=$(echo $vma | cut -d'0' -f1) +top_vma=$(echo "$vma" | cut -d'0' -f1) -expected_start_text_addr=$(cat .tmp_symbols.txt | grep " a text_start$" | cut -d' ' -f1 | sed "s/^0/$top_vma/") +expected_start_text_addr=$(grep " a text_start$" .tmp_symbols.txt | cut -d' ' -f1 | sed "s/^0/$top_vma/") -start_text_addr=$(cat .tmp_symbols.txt | grep " t start_text$" | cut -d' ' -f1) +start_text_addr=$(grep " t start_text$" .tmp_symbols.txt | cut -d' ' -f1) if [ "$start_text_addr" != "$expected_start_text_addr" ]; then - echo "ERROR: start_text address is $start_text_addr, should be $expected_start_text_addr" - echo "ERROR: try to enable LD_HEAD_STUB_CATCH config option" - echo "ERROR: see comments in arch/powerpc/tools/head_check.sh" + echo "ERROR: start_text address is $start_text_addr, should be $expected_start_text_addr" 1>&2 + echo "ERROR: try to enable LD_HEAD_STUB_CATCH config option" 1>&2 + echo "ERROR: see comments in arch/powerpc/tools/head_check.sh" 1>&2 exit 1 fi |