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libbpf: Add PT_REGS_SYSCALL_REGS macro
authorIlya Leoshkevich <iii@linux.ibm.com>
Wed, 9 Feb 2022 02:17:37 +0000 (03:17 +0100)
committerAndrii Nakryiko <andrii@kernel.org>
Wed, 9 Feb 2022 05:16:14 +0000 (21:16 -0800)
commitc5a1ffa0da76da02afc20a0946b594830488b324
tree92f410beeca2af25708edf40a41051fb2c0031d3tree | snapshot
parent4fc49b51ab9d58e830f9df37ea775625ea966d50commit | diff
libbpf: Add PT_REGS_SYSCALL_REGS macro

Architectures that select ARCH_HAS_SYSCALL_WRAPPER pass a pointer to
struct pt_regs to syscall handlers, others unpack it into individual
function parameters. Introduce a macro to describe what a particular
arch does.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220209021745.2215452-3-iii@linux.ibm.com
tools/lib/bpf/bpf_tracing.h diff | blob | history
Domain: System / Kernel;