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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-30 00:20:56 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-10-30 00:20:56 -0700 |
| commit | 53279f36dccffc26ff536003fd6bb97cc21c3b82 (patch) | |
| tree | 9d16e497c0e4158c7c054c479bd0e9ff0388d7bb /samples | |
| parent | a6e8c0a25377e27958b11b20e1927885ae7c9857 (diff) | |
| parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) | |
| download | linux-53279f36dccffc26ff536003fd6bb97cc21c3b82.tar.gz | |
Merge tag 'v3.7-rc3' into next to sync up with recent USB and MFD changes
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/seccomp/Makefile | 24 | ||||
| -rw-r--r-- | samples/seccomp/bpf-helper.h | 15 |
2 files changed, 26 insertions, 13 deletions
diff --git a/samples/seccomp/Makefile b/samples/seccomp/Makefile index 16aa2d424985..bbbd276659ba 100644 --- a/samples/seccomp/Makefile +++ b/samples/seccomp/Makefile @@ -18,14 +18,22 @@ HOSTCFLAGS_bpf-direct.o += -idirafter $(objtree)/include bpf-direct-objs := bpf-direct.o # Try to match the kernel target. -ifeq ($(CONFIG_64BIT),) -HOSTCFLAGS_bpf-direct.o += -m32 -HOSTCFLAGS_dropper.o += -m32 -HOSTCFLAGS_bpf-helper.o += -m32 -HOSTCFLAGS_bpf-fancy.o += -m32 -HOSTLOADLIBES_bpf-direct += -m32 -HOSTLOADLIBES_bpf-fancy += -m32 -HOSTLOADLIBES_dropper += -m32 +ifndef CONFIG_64BIT + +# s390 has -m31 flag to build 31 bit binaries +ifndef CONFIG_S390 +MFLAG = -m32 +else +MFLAG = -m31 +endif + +HOSTCFLAGS_bpf-direct.o += $(MFLAG) +HOSTCFLAGS_dropper.o += $(MFLAG) +HOSTCFLAGS_bpf-helper.o += $(MFLAG) +HOSTCFLAGS_bpf-fancy.o += $(MFLAG) +HOSTLOADLIBES_bpf-direct += $(MFLAG) +HOSTLOADLIBES_bpf-fancy += $(MFLAG) +HOSTLOADLIBES_dropper += $(MFLAG) endif # Tell kbuild to always build the programs diff --git a/samples/seccomp/bpf-helper.h b/samples/seccomp/bpf-helper.h index 643279dd30fb..38ee70f3cd5b 100644 --- a/samples/seccomp/bpf-helper.h +++ b/samples/seccomp/bpf-helper.h @@ -59,6 +59,16 @@ void seccomp_bpf_print(struct sock_filter *filter, size_t count); #define FIND_LABEL(labels, label) seccomp_bpf_label((labels), #label) #define EXPAND(...) __VA_ARGS__ + +/* Ensure that we load the logically correct offset. */ +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) +#elif __BYTE_ORDER == __BIG_ENDIAN +#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32) +#else +#error "Unknown endianness" +#endif + /* Map all width-sensitive operations */ #if __BITS_PER_LONG == 32 @@ -70,21 +80,16 @@ void seccomp_bpf_print(struct sock_filter *filter, size_t count); #define JLE(x, jt) JLE32(x, EXPAND(jt)) #define JA(x, jt) JA32(x, EXPAND(jt)) #define ARG(i) ARG_32(i) -#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) #elif __BITS_PER_LONG == 64 /* Ensure that we load the logically correct offset. */ #if __BYTE_ORDER == __LITTLE_ENDIAN #define ENDIAN(_lo, _hi) _lo, _hi -#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) #define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32) #elif __BYTE_ORDER == __BIG_ENDIAN #define ENDIAN(_lo, _hi) _hi, _lo -#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32) #define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) -#else -#error "Unknown endianness" #endif union arg64 { |