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libbpf: Complete sparc spec in bpf_tracing.h

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Add PARM6 definition for sparc architecture. Leave a link to calling
convention documentation.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230120200914.3008030-7-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko
2023-01-20 12:08:55 -08:00
committed by Andrii Nakryiko
parent 7b86294a90
commit ffbc84cf6f
1 changed files with 5 additions and 0 deletions
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5
src/bpf_tracing.h
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@@ -245,11 +245,16 @@ struct pt_regs___arm64 {
#elif defined(bpf_target_sparc)
/*
* https://en.wikipedia.org/wiki/Calling_convention#SPARC
*/
#define __PT_PARM1_REG u_regs[UREG_I0]
#define __PT_PARM2_REG u_regs[UREG_I1]
#define __PT_PARM3_REG u_regs[UREG_I2]
#define __PT_PARM4_REG u_regs[UREG_I3]
#define __PT_PARM5_REG u_regs[UREG_I4]
#define __PT_PARM6_REG u_regs[UREG_I5]
#define __PT_RET_REG u_regs[UREG_I7]
#define __PT_FP_REG __unsupported__
#define __PT_RC_REG u_regs[UREG_I0]