diff options
| author | Yixun Lan <dlan@gentoo.org> | 2022-07-06 17:02:04 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-07-07 17:30:04 +0300 |
| commit | 935dc35c75318fa213d26808ad8bb130fb0b486e (patch) | |
| tree | a08d93b255d31697a42625aa794cf10c322fc221 /tools/lib | |
| parent | 7c8121af1bfe29feedfa4fcb3154886660ecbe3a (diff) | |
| download | linux-935dc35c75318fa213d26808ad8bb130fb0b486e.tar.xz | |
libbpf, riscv: Use a0 for RC register
According to the RISC-V calling convention register usage here [0], a0
is used as return value register, so rename it to make it consistent
with the spec.
[0] section 18.2, table 18.2
https://riscv.org/wp-content/uploads/2015/01/riscv-calling.pdf
Fixes: 589fed479ba1 ("riscv, libbpf: Add RISC-V (RV64) support to bpf_tracing.h")
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Björn Töpel <bjorn@kernel.org>
Acked-by: Amjad OULED-AMEUR <ouledameur.amjad@gmail.com>
Link: https://lore.kernel.org/bpf/20220706140204.47926-1-dlan@gentoo.org
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/bpf/bpf_tracing.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 01ce121c302d..11f9096407fc 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -233,7 +233,7 @@ struct pt_regs___arm64 { #define __PT_PARM5_REG a4 #define __PT_RET_REG ra #define __PT_FP_REG s0 -#define __PT_RC_REG a5 +#define __PT_RC_REG a0 #define __PT_SP_REG sp #define __PT_IP_REG pc /* riscv does not select ARCH_HAS_SYSCALL_WRAPPER. */ |