To make comments about arc and riscv arch in bpf_tracing.h accurate,
this patch fixes the comment about arc and adds the comment for riscv.
Signed-off-by: Kenjiro Nakayama <nakayamakenjiro@xxxxxxxxx>
---
tools/lib/bpf/bpf_tracing.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h
index 6fb3d0f9af17..be076a4041ab 100644
--- a/tools/lib/bpf/bpf_tracing.h
+++ b/tools/lib/bpf/bpf_tracing.h
@@ -351,6 +351,7 @@ struct pt_regs___arm64 {
* https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/master/riscv-cc.adoc#risc-v-calling-conventions
*/
+/* riscv provides struct user_regs_struct instead of struct pt_regs to userspace */
#define __PT_REGS_CAST(x) ((const struct user_regs_struct *)(x))
#define __PT_PARM1_REG a0
#define __PT_PARM2_REG a1
@@ -383,7 +384,7 @@ struct pt_regs___arm64 {
* https://raw.githubusercontent.com/wiki/foss-for-synopsys-dwc-arc-processors/toolchain/files/ARCv2_ABI.pdf
*/
-/* arc provides struct user_pt_regs instead of struct pt_regs to userspace */
+/* arc provides struct user_regs_struct instead of struct pt_regs to userspace */
#define __PT_REGS_CAST(x) ((const struct user_regs_struct *)(x))
#define __PT_PARM1_REG scratch.r0
#define __PT_PARM2_REG scratch.r1
--
2.40.1
