Commit 55ff00d5 authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Daniel Borkmann
Browse files

libbpf: Complete LoongArch (loongarch) spec in bpf_tracing.h 



Add PARM6 through PARM8 definitions. Add kernel docs link describing ABI
for LoongArch.

Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230120200914.3008030-10-andrii@kernel.org
parent 0ac08656

tools/lib/bpf/bpf_tracing.h

+7 −1
Original line number Diff line number Diff line
@@ -316,13 +316,19 @@ struct pt_regs___arm64 { 


#elif defined(bpf_target_loongarch)



/* https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html */

/*

 * https://docs.kernel.org/loongarch/introduction.html

 * https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html

 */



#define __PT_PARM1_REG regs[4]

#define __PT_PARM2_REG regs[5]

#define __PT_PARM3_REG regs[6]

#define __PT_PARM4_REG regs[7]

#define __PT_PARM5_REG regs[8]

#define __PT_PARM6_REG regs[9]

#define __PT_PARM7_REG regs[10]

#define __PT_PARM8_REG regs[11]

#define __PT_RET_REG regs[1]

#define __PT_FP_REG regs[22]

#define __PT_RC_REG regs[4]