REG_RSI           321 base/debug/stack_trace_posix.cc     { "  si: ", context->uc_mcontext.gregs[REG_RSI] },
REG_RSI           138 sandbox/linux/seccomp-bpf/linux_seccomp.h #define SECCOMP_PARM2(_ctx)     SECCOMP_REG(_ctx, REG_RSI)