REG_ECX           302 base/debug/stack_trace_posix.cc     { " ecx: ", context->uc_mcontext.gregs[REG_ECX] },
REG_ECX           111 sandbox/linux/seccomp-bpf/linux_seccomp.h #define SECCOMP_PARM2(_ctx)     SECCOMP_REG(_ctx, REG_ECX)