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| author |   Kenjiro Nakayama <nakayamakenjiro@gmail.com> | 2023-05-04 12:54:43 +0900 |
|---|---|---|
| committer |   Andrii Nakryiko <andrii@kernel.org> | 2023-05-04 17:11:04 -0700 |
| commit | 7866fc6aa0deb2294eb781fc3ac94b7d4c6eb242 (patch) | |
| tree | eed353eedc42ec0c6c054795c43829a48c95d0b7 /tools/lib/bpf/bpf_tracing.h | |
| parent | bpf: Print a warning only if writing to unprivileged_bpf_disabled. (diff) | |
| download | wireguard-linux-7866fc6aa0deb2294eb781fc3ac94b7d4c6eb242.tar.xz wireguard-linux-7866fc6aa0deb2294eb781fc3ac94b7d4c6eb242.zip | |
libbpf: Fix comment about arc and riscv arch in bpf_tracing.h
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@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230504035443.427927-1-nakayamakenjiro@gmail.com
Diffstat (limited to 'tools/lib/bpf/bpf_tracing.h')
| -rw-r--r-- | tools/lib/bpf/bpf_tracing.h | 3 |
1 files changed, 2 insertions, 1 deletions
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 |