From: Andrii Nakryiko Date: Fri, 20 Jan 2023 20:08:56 +0000 (-0800) Subject: libbpf: Complete riscv arch spec in bpf_tracing.h X-Git-Tag: io_uring-6.3-2023-03-03~13^2~189^2~13^2~18 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=b13ed8ca7fba3d3e61621be021fdccd5c44b2634;p=linux-block.git libbpf: Complete riscv arch spec in bpf_tracing.h Add PARM6 through PARM8 definitions for RISC V (riscv) arch. Leave the link for ABI doc for future reference. Signed-off-by: Andrii Nakryiko Signed-off-by: Daniel Borkmann Tested-by: Pu Lehui # RISC-V Link: https://lore.kernel.org/bpf/20230120200914.3008030-8-andrii@kernel.org --- diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 0f9640ddbe1c..579e2f830532 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -268,12 +268,19 @@ struct pt_regs___arm64 { #elif defined(bpf_target_riscv) +/* + * https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-cc.adoc#risc-v-calling-conventions + */ + #define __PT_REGS_CAST(x) ((const struct user_regs_struct *)(x)) #define __PT_PARM1_REG a0 #define __PT_PARM2_REG a1 #define __PT_PARM3_REG a2 #define __PT_PARM4_REG a3 #define __PT_PARM5_REG a4 +#define __PT_PARM6_REG a5 +#define __PT_PARM7_REG a6 +#define __PT_PARM8_REG a7 #define __PT_RET_REG ra #define __PT_FP_REG s0 #define __PT_RC_REG a0