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| author | David S. Miller <davem@davemloft.net> | 2017-04-22 12:31:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-22 13:01:52 -0700 |
| commit | b0c47807d31deccdfb78a22a0d04dd9785bdb9d3 (patch) | |
| tree | ca692f4934315e65ae4927eca8ccb1e4030c4836 | |
| parent | 7a12b5031c6b947cc13918237ae652b536243b76 (diff) | |
| download | linux-b0c47807d31deccdfb78a22a0d04dd9785bdb9d3.tar.bz2 | |
bpf: Add sparc support to tools and samples.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
| -rw-r--r-- | samples/bpf/bpf_helpers.h | 19 | ||||
| -rw-r--r-- | tools/build/feature/test-bpf.c | 3 | ||||
| -rw-r--r-- | tools/lib/bpf/bpf.c | 2 |
3 files changed, 24 insertions, 0 deletions
diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h index 52de9d88c021..9a9c95f2c9fb 100644 --- a/samples/bpf/bpf_helpers.h +++ b/samples/bpf/bpf_helpers.h @@ -146,11 +146,30 @@ static int (*bpf_skb_change_head)(void *, int len, int flags) = #define PT_REGS_SP(x) ((x)->sp) #define PT_REGS_IP(x) ((x)->nip) +#elif defined(__sparc__) + +#define PT_REGS_PARM1(x) ((x)->u_regs[UREG_I0]) +#define PT_REGS_PARM2(x) ((x)->u_regs[UREG_I1]) +#define PT_REGS_PARM3(x) ((x)->u_regs[UREG_I2]) +#define PT_REGS_PARM4(x) ((x)->u_regs[UREG_I3]) +#define PT_REGS_PARM5(x) ((x)->u_regs[UREG_I4]) +#define PT_REGS_RET(x) ((x)->u_regs[UREG_I7]) +#define PT_REGS_RC(x) ((x)->u_regs[UREG_I0]) +#define PT_REGS_SP(x) ((x)->u_regs[UREG_FP]) +#if defined(__arch64__) +#define PT_REGS_IP(x) ((x)->tpc) +#else +#define PT_REGS_IP(x) ((x)->pc) +#endif + #endif #ifdef __powerpc__ #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ (ip) = (ctx)->link; }) #define BPF_KRETPROBE_READ_RET_IP BPF_KPROBE_READ_RET_IP +#elif defined(__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 #define BPF_KPROBE_READ_RET_IP(ip, ctx) ({ \ bpf_probe_read(&(ip), sizeof(ip), (void *)PT_REGS_RET(ctx)); }) diff --git a/tools/build/feature/test-bpf.c b/tools/build/feature/test-bpf.c index e04ab89a1013..ebc6dceddb58 100644 --- a/tools/build/feature/test-bpf.c +++ b/tools/build/feature/test-bpf.c @@ -9,6 +9,9 @@ # define __NR_bpf 321 # elif defined(__aarch64__) # define __NR_bpf 280 +# elif defined(__sparc__) +# define __NR_bpf 349 +# else # error __NR_bpf not defined. libbpf does not support your arch. # endif #endif diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index f84c398c11f4..4fe444b8092e 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -37,6 +37,8 @@ # define __NR_bpf 321 # elif defined(__aarch64__) # define __NR_bpf 280 +# elif defined(__sparc__) +# define __NR_bpf 349 # else # error __NR_bpf not defined. libbpf does not support your arch. # endif |