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0557ad0a9c
Refactor PT_REGS macros definitions in bpf_tracing.h to avoid excessive duplication. We currently have classic PT_REGS_xxx() and CO-RE-enabled PT_REGS_xxx_CORE(). We are about to add also _SYSCALL variants, which would require excessive copying of all the per-architecture definitions. Instead, separate architecture-specific field/register names from the final macro that utilize them. That way for upcoming _SYSCALL variants we'll be able to just define x86_64 exception and otherwise have one common set of _SYSCALL macro definitions common for all architectures. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Tested-by: Ilya Leoshkevich <iii@linux.ibm.com> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> Link: https://lore.kernel.org/bpf/20211222213924.1869758-1-andrii@kernel.org