@@ -5,6 +5,19 @@ top_builddir = .
my_dir = .
INSTALL = @INSTALL@
+CHECK=sparse
+CHECK_OPTS=-Wsparse-all -Wno-transparent-union -Wno-return-void -Wno-undef -Wno-non-pointer-null
+ifeq ("$(C)", "2")
+ CHECK_CMD=$(CHECK) $(CHECK_OPTS) -Wbitwise -D__CHECK_ENDIAN__
+else
+ ifeq ("$(C)", "1")
+ CHECK_CMD=$(CHECK) $(CHECK_OPTS)
+ else
+ CHECK_CMD=@true
+ endif
+endif
+export CHECK_CMD
+
@MCONFIG@
% : %.sh
@@ -44,6 +44,7 @@ STATIC_DEPLIBS= $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBSS) \
.c.o:
$(E) " CC $<"
$(Q) $(CC) -c $(ALL_CFLAGS) $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
all:: $(PROGS) $(MANPAGES)
@@ -38,6 +38,7 @@ COMPILE_ET=$(top_builddir)/lib/et/compile_et --build-tree
.c.o:
$(E) " CC $<"
$(Q) $(CC) -c $(ALL_CFLAGS) $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
#
@@ -33,6 +33,7 @@ DOCS= doc/ext2ed-design.pdf doc/user-guide.pdf doc/ext2fs-overview.pdf \
.c.o:
$(CC) -c $(ALL_CFLAGS) $< -o $@
+ $(CHECK_CMD) $(ALL_CFLAGS) $<
.SUFFIXES: .sgml .ps .pdf .html
@@ -191,6 +191,7 @@ LTV_AGE=4
.c.o:
$(E) " CC $<"
$(Q) $(COMPILE) $<
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
.y.c:
$(YACC) $(YFLAGS) --output $@ $<
@@ -55,6 +55,7 @@ DEPLIBS_BLKID= $(DEPSTATIC_LIBBLKID) $(DEPSTATIC_LIBUUID)
.c.o:
$(E) " CC $<"
$(Q) $(CC) $(ALL_CFLAGS) -c $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@ELF_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -fPIC -o elfshared/$*.o -c $<
@@ -55,6 +55,7 @@ BSDLIB_INSTALL_DIR = $(root_libdir)
.c.o:
$(E) " CC $<"
$(Q) $(CC) $(ALL_CFLAGS) -c $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@ELF_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -fPIC -o elfshared/$*.o -c $<
@@ -43,6 +43,7 @@ BSDLIB_INSTALL_DIR = $(root_libdir)
.c.o:
$(E) " CC $<"
$(Q) $(CC) $(ALL_CFLAGS) -c $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@ELF_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -fPIC -o elfshared/$*.o -c $<
@@ -202,6 +202,7 @@ all:: ext2fs.pc
.c.o:
$(E) " CC $<"
$(Q) $(CC) $(ALL_CFLAGS) -c $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@ELF_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -fPIC -o elfshared/$*.o -c $<
@@ -64,14 +64,20 @@ extern "C" {
#include <ext2fs/ext3_extents.h>
#endif /* EXT2_FLAT_INCLUDES */
-typedef __u32 ext2_ino_t;
-typedef __u32 blk_t;
-typedef __u64 blk64_t;
-typedef __u32 dgrp_t;
-typedef __u32 ext2_off_t;
-typedef __u64 ext2_off64_t;
-typedef __s64 e2_blkcnt_t;
-typedef __u32 ext2_dirhash_t;
+#ifdef __CHECK_ENDIAN__
+#define __bitwise __attribute__((bitwise))
+#else
+#define __bitwise
+#endif
+
+typedef __u32 __bitwise ext2_ino_t;
+typedef __u32 __bitwise blk_t;
+typedef __u64 __bitwise blk64_t;
+typedef __u32 __bitwise dgrp_t;
+typedef __u32 __bitwise ext2_off_t;
+typedef __u64 __bitwise ext2_off64_t;
+typedef __s64 __bitwise e2_blkcnt_t;
+typedef __u32 __bitwise ext2_dirhash_t;
#if EXT2_FLAT_INCLUDES
#include "com_err.h"
@@ -47,6 +47,7 @@ LIBDIR= quota
.c.o:
$(E) " CC $<"
$(Q) $(CC) $(ALL_CFLAGS) -c $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
#ELF_CMT# $(Q) $(CC) $(ALL_CFLAGS) -fPIC -o elfshared/$*.o -c $<
@@ -34,6 +34,7 @@ MK_CMDS=_SS_DIR_OVERRIDE=. ./mk_cmds
.c.o:
$(E) " CC $<"
$(Q) $(CC) $(ALL_CFLAGS) -c $<
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@ELF_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -DSHARED_ELF_LIB -fPIC -o elfshared/$*.o -c $<
@@ -62,6 +62,7 @@ BSDLIB_INSTALL_DIR = $(root_libdir)
.c.o:
$(E) " CC $<"
$(Q) $(CC) $(ALL_CFLAGS) -c $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
@CHECKER_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -checker -g -o checker/$*.o -c $<
@ELF_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -fPIC -o elfshared/$*.o -c $<
@@ -100,6 +100,7 @@ COMPILE_ET=$(top_builddir)/lib/et/compile_et --build-tree
.c.o:
$(E) " CC $<"
$(Q) $(CC) -c $(ALL_CFLAGS) $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS) -g -pg -o profiled/$*.o -c $<
all:: profiled $(SPROGS) $(UPROGS) $(USPROGS) $(SMANPAGES) $(UMANPAGES) \
@@ -38,6 +38,7 @@ DEPSTATIC_LIBS= $(STATIC_LIBE2P) $(STATIC_LIBEXT2FS) $(DEPSTATIC_LIBCOM_ERR)
.c.o:
$(E) " CC $<"
$(Q) $(CC) -c $(ALL_CFLAGS) $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
all:: $(PROGS) $(TEST_PROGS) $(MANPAGES)
@@ -27,6 +27,7 @@ DEPLIBS= $(LIBEXT2FS) $(DEPLIBSS) $(DEPLIBCOM_ERR)
.c.o:
$(E) " CC $<"
$(Q) $(CC) -c $(ALL_CFLAGS) $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
all:: $(PROGS)
@@ -16,6 +16,7 @@ SRCS = $(srcdir)/subst.c
.c.o:
$(E) " CC $<"
$(Q) $(BUILD_CC) -c $(BUILD_CFLAGS) $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
PROGS= subst symlinks
Run sparse against source files when building e2fsprogs with 'make C=1'. If instead C=2, it configures basic ext2 types for bitwise checking with sparse, which can help find the (many many) spots where conversion errors are (possibly) happening. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> --- Makefile.in | 13 +++++++++++++ debugfs/Makefile.in | 1 + e2fsck/Makefile.in | 1 + ext2ed/Makefile.in | 1 + intl/Makefile.in | 1 + lib/blkid/Makefile.in | 1 + lib/e2p/Makefile.in | 1 + lib/et/Makefile.in | 1 + lib/ext2fs/Makefile.in | 1 + lib/ext2fs/ext2fs.h | 22 ++++++++++++++-------- lib/quota/Makefile.in | 1 + lib/ss/Makefile.in | 1 + lib/uuid/Makefile.in | 1 + misc/Makefile.in | 1 + resize/Makefile.in | 1 + tests/progs/Makefile.in | 1 + util/Makefile.in | 1 + 17 files changed, 42 insertions(+), 8 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html