Re: [PATCH bpf-next v3 08/11] libbpf: Fix accessing syscall arguments on powerpc

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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@xxxxxxxxxxxxx>
Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
---
 tools/lib/bpf/bpf_tracing.h | 1 +
 1 file changed, 1 insertion(+)

Tested-by: Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>


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






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