Commit 3a95c42d authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Daniel Borkmann
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libbpf: Define arm syscall regs spec in bpf_tracing.h 



Define explicit table of registers used for syscall argument passing.

Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230120200914.3008030-17-andrii@kernel.org
parent e82b96a3

tools/lib/bpf/bpf_tracing.h

+8 −0
Original line number Diff line number Diff line
@@ -199,6 +199,14 @@ struct pt_regs___s390 { 
#define __PT_PARM2_REG uregs[1]

#define __PT_PARM3_REG uregs[2]

#define __PT_PARM4_REG uregs[3]



#define __PT_PARM1_SYSCALL_REG __PT_PARM1_REG

#define __PT_PARM2_SYSCALL_REG __PT_PARM2_REG

#define __PT_PARM3_SYSCALL_REG __PT_PARM3_REG

#define __PT_PARM4_SYSCALL_REG __PT_PARM4_REG

#define __PT_PARM6_SYSCALL_REG uregs[5]

#define __PT_PARM7_SYSCALL_REG uregs[6]



#define __PT_RET_REG uregs[14]

#define __PT_FP_REG uregs[11]	/* Works only with CONFIG_FRAME_POINTER */

#define __PT_RC_REG uregs[0]