diff options
Diffstat (limited to 'arch/powerpc/tools/gcc-check-mprofile-kernel.sh')
| -rwxr-xr-x | arch/powerpc/tools/gcc-check-mprofile-kernel.sh | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh index 061f8035bdbea..a7dd0e5d9f984 100755 --- a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh +++ b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh @@ -7,17 +7,21 @@ set -o pipefail # To debug, uncomment the following line # set -x +# -mprofile-kernel is only supported on 64le, so this should not be invoked +# for other targets. Therefore we can pass in -m64 and -mlittle-endian +# explicitly, to take care of toolchains defaulting to other targets. + # Test whether the compile option -mprofile-kernel exists and generates # profiling code (ie. a call to _mcount()). echo "int func() { return 0; }" | \ - $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \ - grep -q "_mcount" + $* -m64 -mlittle-endian -S -x c -O2 -p -mprofile-kernel - -o - \ + 2> /dev/null | grep -q "_mcount" # Test whether the notrace attribute correctly suppresses calls to _mcount(). echo -e "#include <linux/compiler.h>\nnotrace int func() { return 0; }" | \ - $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \ - grep -q "_mcount" && \ + $* -m64 -mlittle-endian -S -x c -O2 -p -mprofile-kernel - -o - \ + 2> /dev/null | grep -q "_mcount" && \ exit 1 echo "OK" |