From a0426216a32004bbb1c96dbffaeca7ac261960cf Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Fri, 20 Jan 2023 12:09:10 -0800 Subject: libbpf: Define riscv syscall regs spec in bpf_tracing.h Define explicit table of registers used for syscall argument passing. Signed-off-by: Andrii Nakryiko Signed-off-by: Daniel Borkmann Tested-by: Pu Lehui # RISC-V Link: https://lore.kernel.org/bpf/20230120200914.3008030-22-andrii@kernel.org --- tools/lib/bpf/bpf_tracing.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'tools/lib/bpf/bpf_tracing.h') diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index a2db267a6bce..047dc84c7cc9 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -359,13 +359,21 @@ struct pt_regs___arm64 { #define __PT_PARM6_REG a5 #define __PT_PARM7_REG a6 #define __PT_PARM8_REG a7 + +/* riscv does not select ARCH_HAS_SYSCALL_WRAPPER. */ +#define PT_REGS_SYSCALL_REGS(ctx) ctx +#define __PT_PARM1_SYSCALL_REG __PT_PARM1_REG +#define __PT_PARM2_SYSCALL_REG __PT_PARM2_REG +#define __PT_PARM3_SYSCALL_REG __PT_PARM3_REG +#define __PT_PARM4_SYSCALL_REG __PT_PARM4_REG +#define __PT_PARM5_SYSCALL_REG __PT_PARM5_REG +#define __PT_PARM6_SYSCALL_REG __PT_PARM6_REG + #define __PT_RET_REG ra #define __PT_FP_REG s0 #define __PT_RC_REG a0 #define __PT_SP_REG sp #define __PT_IP_REG pc -/* riscv does not select ARCH_HAS_SYSCALL_WRAPPER. */ -#define PT_REGS_SYSCALL_REGS(ctx) ctx #elif defined(bpf_target_arc) -- cgit v1.2.3-58-ga151