| Message ID | 20220204145018.1983773-9-iii@linux.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | f5af16d0ae28fb21c2cf4e4d93bc9e08784d7f85 |
| Delegated to: | BPF |
| Headers | show |
| Series | libbpf: Fix accessing syscall arguments | expand |
Ilya Leoshkevich wrote: > powerpc's syscall handlers get "unpacked" arguments instead of a > struct pt_regs pointer. 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 | 1 + > 1 file changed, 1 insertion(+) Tested-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> > > diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h > index 317bee0fd8e4..f9d22ea0af97 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_REGS(ctx) ctx > > #elif defined(bpf_target_sparc) > > -- > 2.34.1 > >
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h index 317bee0fd8e4..f9d22ea0af97 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_REGS(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_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 | 1 + 1 file changed, 1 insertion(+)