| Message ID | 20220204041955.1958263-9-iii@linux.ibm.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | BPF |
| Headers | show |
| Series | libbpf: Fix accessing syscall arguments | expand |
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 4a990111d9a8..c21aaecd711b 100644 --- a/tools/lib/bpf/bpf_tracing.h +++ b/tools/lib/bpf/bpf_tracing.h @@ -181,6 +181,7 @@ #define __PT_RC_REG gpr[3] #define __PT_SP_REG sp #define __PT_IP_REG nip +#define PT_REGS_SYSCALL(ctx) ctx #elif defined(bpf_target_sparc)
powerpc's syscall handlers get "unpacked" arguments instead of a struct pt_regs pointer. Indicate this to libbpf using PT_REGS_SYSCALL macro. Fixes: d084df3b7a4c ("libbpf: Fix the incorrect register read for syscalls on x86_64") Reported-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- tools/lib/bpf/bpf_tracing.h | 1 + 1 file changed, 1 insertion(+)