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author | David S. Miller | 2019-07-18 23:04:45 +0200 |
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committer | David S. Miller | 2019-07-18 23:04:45 +0200 |
commit | bb745231678cd92ab0c4d37343b06e4879072368 (patch) | |
tree | 34b96b1bc5310b40779b8848389868e58ce37b5d /tools/testing/selftests/bpf/bpf_helpers.h | |
parent | net/mlx5: Replace kfree with kvfree (diff) | |
parent | selftests/bpf: fix test_xdp_noinline on s390 (diff) | |
download | kernel-qcow2-linux-bb745231678cd92ab0c4d37343b06e4879072368.tar.gz kernel-qcow2-linux-bb745231678cd92ab0c4d37343b06e4879072368.tar.xz kernel-qcow2-linux-bb745231678cd92ab0c4d37343b06e4879072368.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:
====================
pull-request: bpf 2019-07-18
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) verifier precision propagation fix, from Andrii.
2) BTF size fix for typedefs, from Andrii.
3) a bunch of big endian fixes, from Ilya.
4) wide load from bpf_sock_addr fixes, from Stanislav.
5) a bunch of misc fixes from a number of developers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_helpers.h')
-rw-r--r-- | tools/testing/selftests/bpf/bpf_helpers.h | 89 |
1 files changed, 62 insertions, 27 deletions
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h index 5a3d92c8bec8..f804f210244e 100644 --- a/tools/testing/selftests/bpf/bpf_helpers.h +++ b/tools/testing/selftests/bpf/bpf_helpers.h @@ -315,8 +315,8 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode, #if defined(__TARGET_ARCH_x86) #define bpf_target_x86 #define bpf_target_defined -#elif defined(__TARGET_ARCH_s930x) - #define bpf_target_s930x +#elif defined(__TARGET_ARCH_s390) + #define bpf_target_s390 #define bpf_target_defined #elif defined(__TARGET_ARCH_arm) #define bpf_target_arm @@ -341,8 +341,8 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode, #ifndef bpf_target_defined #if defined(__x86_64__) #define bpf_target_x86 -#elif defined(__s390x__) - #define bpf_target_s930x +#elif defined(__s390__) + #define bpf_target_s390 #elif defined(__arm__) #define bpf_target_arm #elif defined(__aarch64__) @@ -358,6 +358,7 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode, #if defined(bpf_target_x86) +#ifdef __KERNEL__ #define PT_REGS_PARM1(x) ((x)->di) #define PT_REGS_PARM2(x) ((x)->si) #define PT_REGS_PARM3(x) ((x)->dx) @@ -368,19 +369,49 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode, #define PT_REGS_RC(x) ((x)->ax) #define PT_REGS_SP(x) ((x)->sp) #define PT_REGS_IP(x) ((x)->ip) +#else +#ifdef __i386__ +/* i386 kernel is built with -mregparm=3 */ +#define PT_REGS_PARM1(x) ((x)->eax) +#define PT_REGS_PARM2(x) ((x)->edx) +#define PT_REGS_PARM3(x) ((x)->ecx) +#define PT_REGS_PARM4(x) 0 +#define PT_REGS_PARM5(x) 0 +#define PT_REGS_RET(x) ((x)->esp) +#define PT_REGS_FP(x) ((x)->ebp) +#define PT_REGS_RC(x) ((x)->eax) +#define PT_REGS_SP(x) ((x)->esp) +#define PT_REGS_IP(x) ((x)->eip) +#else +#define PT_REGS_PARM1(x) ((x)->rdi) +#define PT_REGS_PARM2(x) ((x)->rsi) +#define PT_REGS_PARM3(x) ((x)->rdx) +#define PT_REGS_PARM4(x) ((x)->rcx) +#define PT_REGS_PARM5(x) ((x)->r8) +#define PT_REGS_RET(x) ((x)->rsp) +#define PT_REGS_FP(x) ((x)->rbp) +#define PT_REGS_RC(x) ((x)->rax) +#define PT_REGS_SP(x) ((x)->rsp) +#define PT_REGS_IP(x) ((x)->rip) +#endif +#endif -#elif defined(bpf_target_s390x) +#elif defined(bpf_target_s390) -#define PT_REGS_PARM1(x) ((x)->gprs[2]) -#define PT_REGS_PARM2(x) ((x)->gprs[3]) -#define PT_REGS_PARM3(x) ((x)->gprs[4]) -#define PT_REGS_PARM4(x) ((x)->gprs[5]) -#define PT_REGS_PARM5(x) ((x)->gprs[6]) -#define PT_REGS_RET(x) ((x)->gprs[14]) -#define PT_REGS_FP(x) ((x)->gprs[11]) /* Works only with CONFIG_FRAME_POINTER */ -#define PT_REGS_RC(x) ((x)->gprs[2]) -#define PT_REGS_SP(x) ((x)->gprs[15]) -#define PT_REGS_IP(x) ((x)->psw.addr) +/* s390 provides user_pt_regs instead of struct pt_regs to userspace */ +struct pt_regs; +#define PT_REGS_S390 const volatile user_pt_regs +#define PT_REGS_PARM1(x) (((PT_REGS_S390 *)(x))->gprs[2]) +#define PT_REGS_PARM2(x) (((PT_REGS_S390 *)(x))->gprs[3]) +#define PT_REGS_PARM3(x) (((PT_REGS_S390 *)(x))->gprs[4]) +#define PT_REGS_PARM4(x) (((PT_REGS_S390 *)(x))->gprs[5]) +#define PT_REGS_PARM5(x) (((PT_REGS_S390 *)(x))->gprs[6]) +#define PT_REGS_RET(x) (((PT_REGS_S390 *)(x))->gprs[14]) +/* Works only with CONFIG_FRAME_POINTER */ +#define PT_REGS_FP(x) (((PT_REGS_S390 *)(x))->gprs[11]) +#define PT_REGS_RC(x) (((PT_REGS_S390 *)(x))->gprs[2]) +#define PT_REGS_SP(x) (((PT_REGS_S390 *)(x))->gprs[15]) +#define PT_REGS_IP(x) (((PT_REGS_S390 *)(x))->psw.addr) #elif defined(bpf_target_arm) @@ -397,16 +428,20 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode, #elif defined(bpf_target_arm64) -#define PT_REGS_PARM1(x) ((x)->regs[0]) -#define PT_REGS_PARM2(x) ((x)->regs[1]) -#define PT_REGS_PARM3(x) ((x)->regs[2]) -#define PT_REGS_PARM4(x) ((x)->regs[3]) -#define PT_REGS_PARM5(x) ((x)->regs[4]) -#define PT_REGS_RET(x) ((x)->regs[30]) -#define PT_REGS_FP(x) ((x)->regs[29]) /* Works only with CONFIG_FRAME_POINTER */ -#define PT_REGS_RC(x) ((x)->regs[0]) -#define PT_REGS_SP(x) ((x)->sp) -#define PT_REGS_IP(x) ((x)->pc) +/* arm64 provides struct user_pt_regs instead of struct pt_regs to userspace */ +struct pt_regs; +#define PT_REGS_ARM64 const volatile struct user_pt_regs +#define PT_REGS_PARM1(x) (((PT_REGS_ARM64 *)(x))->regs[0]) +#define PT_REGS_PARM2(x) (((PT_REGS_ARM64 *)(x))->regs[1]) +#define PT_REGS_PARM3(x) (((PT_REGS_ARM64 *)(x))->regs[2]) +#define PT_REGS_PARM4(x) (((PT_REGS_ARM64 *)(x))->regs[3]) +#define PT_REGS_PARM5(x) (((PT_REGS_ARM64 *)(x))->regs[4]) +#define PT_REGS_RET(x) (((PT_REGS_ARM64 *)(x))->regs[30]) +/* Works only with CONFIG_FRAME_POINTER */ +#define PT_REGS_FP(x) (((PT_REGS_ARM64 *)(x))->regs[29]) +#define PT_REGS_RC(x) (((PT_REGS_ARM64 *)(x))->regs[0]) +#define PT_REGS_SP(x) (((PT_REGS_ARM64 *)(x))->sp) +#define PT_REGS_IP(x) (((PT_REGS_ARM64 *)(x))->pc) #elif defined(bpf_target_mips) @@ -452,10 +487,10 @@ static int (*bpf_skb_adjust_room)(void *ctx, __s32 len_diff, __u32 mode, #endif -#ifdef bpf_target_powerpc +#if defined(bpf_target_powerpc) #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = (ctx)->link; }) #define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP -#elif bpf_target_sparc +#elif defined(bpf_target_sparc) #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = PT_REGS_RET(ctx); }) #define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP #else |