| Message ID | 20220209021745.2215452-7-iii@linux.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | cf0b5b2769233b026cfa41206109dea77b0d17e3 |
| Delegated to: | BPF |
| Headers | show |
| Series | Fix accessing syscall arguments | expand |
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 03e501ac8f60..41a015ee6bfb 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -214,6 +214,8 @@ #define __PT_RC_REG a5 #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 #endif
riscv does not select ARCH_HAS_SYSCALL_WRAPPER, so its syscall handlers take "unpacked" syscall arguments. Indicate this to libbpf using PT_REGS_SYSCALL_REGS macro. Reported-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- tools/lib/bpf/bpf_tracing.h | 2 ++ 1 file changed, 2 insertions(+)