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libbpf: Complete sparc spec in bpf_tracing.h
author
Andrii Nakryiko
<andrii@kernel.org>
Fri, 20 Jan 2023 20:08:55 +0000
(12:08 -0800)
committer
Daniel Borkmann
<daniel@iogearbox.net>
Mon, 23 Jan 2023 19:53:00 +0000
(20:53 +0100)
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
tools/lib/bpf/bpf_tracing.h
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diff --git
a/tools/lib/bpf/bpf_tracing.h
b/tools/lib/bpf/bpf_tracing.h
index
1b9447f
..
0f9640d
100644
(file)
--- a/
tools/lib/bpf/bpf_tracing.h
+++ b/
tools/lib/bpf/bpf_tracing.h
@@
-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]