* [PATCH] bpf: sample: define aarch64 specific registers
@ 2015-10-27 0:02 Yang Shi
2015-10-27 3:22 ` Alexei Starovoitov
2015-10-28 2:51 ` David Miller
0 siblings, 2 replies; 3+ messages in thread
From: Yang Shi @ 2015-10-27 0:02 UTC (permalink / raw)
To: ast; +Cc: netdev, linux-kernel, linaro-kernel, yang.shi
Define aarch64 specific registers for building bpf samples correctly.
Signed-off-by: Yang Shi <yang.shi@linaro.org>
---
samples/bpf/bpf_helpers.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/samples/bpf/bpf_helpers.h b/samples/bpf/bpf_helpers.h
index 3a44d3a..af44e56 100644
--- a/samples/bpf/bpf_helpers.h
+++ b/samples/bpf/bpf_helpers.h
@@ -86,5 +86,17 @@ static int (*bpf_l4_csum_replace)(void *ctx, int off, int from, int to, int flag
#define PT_REGS_RC(x) ((x)->gprs[2])
#define PT_REGS_SP(x) ((x)->gprs[15])
+#elif defined(__aarch64__)
+
+#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)
+
#endif
#endif
--
2.0.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] bpf: sample: define aarch64 specific registers
2015-10-27 0:02 [PATCH] bpf: sample: define aarch64 specific registers Yang Shi
@ 2015-10-27 3:22 ` Alexei Starovoitov
2015-10-28 2:51 ` David Miller
1 sibling, 0 replies; 3+ messages in thread
From: Alexei Starovoitov @ 2015-10-27 3:22 UTC (permalink / raw)
To: Yang Shi; +Cc: ast, netdev, linux-kernel, linaro-kernel
On Mon, Oct 26, 2015 at 05:02:19PM -0700, Yang Shi wrote:
> Define aarch64 specific registers for building bpf samples correctly.
>
> Signed-off-by: Yang Shi <yang.shi@linaro.org>
looks good to me.
Acked-by: Alexei Starovoitov <ast@kernel.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] bpf: sample: define aarch64 specific registers
2015-10-27 0:02 [PATCH] bpf: sample: define aarch64 specific registers Yang Shi
2015-10-27 3:22 ` Alexei Starovoitov
@ 2015-10-28 2:51 ` David Miller
1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2015-10-28 2:51 UTC (permalink / raw)
To: yang.shi; +Cc: ast, netdev, linux-kernel, linaro-kernel
From: Yang Shi <yang.shi@linaro.org>
Date: Mon, 26 Oct 2015 17:02:19 -0700
> Define aarch64 specific registers for building bpf samples correctly.
>
> Signed-off-by: Yang Shi <yang.shi@linaro.org>
Applied.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-10-27 0:02 [PATCH] bpf: sample: define aarch64 specific registers Yang Shi
2015-10-27 3:22 ` Alexei Starovoitov
2015-10-28 2:51 ` David Miller
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