59458950fc
Signed-off-by: zhang-mingyi66 <zhangmingyi5@huawei.com> (cherry picked from commit eacff27bc7b27303912aa67ee049687f367e375e)
73 lines
2.6 KiB
Diff
73 lines
2.6 KiB
Diff
From 93391a6f90774d4e6ee3d21972ef937eb183067c Mon Sep 17 00:00:00 2001
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From: Super User <root@localhost.localdomain>
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Date: Fri, 14 Mar 2025 17:31:35 +0800
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Subject: [PATCH] add sw_64 support
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---
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src/bpf_tracing.h | 35 +++++++++++++++++++++++++++++++++++
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1 file changed, 35 insertions(+)
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diff --git a/src/bpf_tracing.h b/src/bpf_tracing.h
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index 6fb3d0f..ba30c3f 100644
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--- a/src/bpf_tracing.h
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+++ b/src/bpf_tracing.h
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@@ -35,6 +35,9 @@
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#elif defined(__TARGET_ARCH_loongarch)
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#define bpf_target_loongarch
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#define bpf_target_defined
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+#elif defined(__TARGET_ARCH_sw_64)
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+ #define bpf_target_sw64
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+ #define bpf_target_defined
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#else
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/* Fall back to what the compiler says */
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@@ -68,6 +71,9 @@
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#elif defined(__loongarch__)
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#define bpf_target_loongarch
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#define bpf_target_defined
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+#elif defined(__sw_64__)
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+ #define bpf_target_sw64
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+ #define bpf_target_defined
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#endif /* no compiler target */
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#endif
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@@ -442,6 +448,35 @@ struct pt_regs___arm64 {
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#define __PT_SP_REG regs[3]
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#define __PT_IP_REG csr_era
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+#elif defined(bpf_target_sw64)
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+
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+/* sw64 provides struct user_pt_regs instead of struct pt_regs to userspace */
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+struct pt_regs;
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+#define PT_REGS_SW64 const volatile struct user_pt_regs
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+#define PT_REGS_PARM1(x) (((PT_REGS_SW64 *)(x))->regs[16])
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+#define PT_REGS_PARM2(x) (((PT_REGS_SW64 *)(x))->regs[17])
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+#define PT_REGS_PARM3(x) (((PT_REGS_SW64 *)(x))->regs[18])
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+#define PT_REGS_PARM4(x) (((PT_REGS_SW64 *)(x))->regs[19])
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+#define PT_REGS_PARM5(x) (((PT_REGS_SW64 *)(x))->regs[20])
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+#define PT_REGS_RET(x) (((PT_REGS_SW64 *)(x))->regs[26])
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+/* Works only with CONFIG_FRAME_POINTER */
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+#define PT_REGS_FP(x) (((PT_REGS_SW64 *)(x))->regs[15])
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+#define PT_REGS_RC(x) (((PT_REGS_SW64 *)(x))->regs[0])
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+#define PT_REGS_SP(x) (((PT_REGS_SW64 *)(x))->regs[30])
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+#define PT_REGS_IP(x) (((PT_REGS_SW64 *)(x))->pc)
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+
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+#define PT_REGS_PARM1_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[16])
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+#define PT_REGS_PARM2_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[17])
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+#define PT_REGS_PARM3_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[18])
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+#define PT_REGS_PARM4_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[19])
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+#define PT_REGS_PARM5_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[20])
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+#define PT_REGS_RET_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[26])
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+#define PT_REGS_FP_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[15])
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+#define PT_REGS_RC_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[0])
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+#define PT_REGS_SP_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), regs[30])
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+#define PT_REGS_IP_CORE(x) BPF_CORE_READ((PT_REGS_SW64 *)(x), pc)
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+
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+
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#endif
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#if defined(bpf_target_defined)
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--
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2.43.0
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