musl/arch/x32/bits/ptrace.h

#define PTRACE_GET_THREAD_AREA		25
#define PTRACE_SET_THREAD_AREA		26
#define PTRACE_ARCH_PRCTL		30
#define PTRACE_SYSEMU			31
#define PTRACE_SYSEMU_SINGLESTEP	32
#define PTRACE_SINGLEBLOCK		33

#define PT_GET_THREAD_AREA PTRACE_GET_THREAD_AREA
#define PT_SET_THREAD_AREA PTRACE_SET_THREAD_AREA
#define PT_ARCH_PRCTL PTRACE_ARCH_PRCTL
#define PT_SYSEMU PTRACE_SYSEMU
#define PT_SYSEMU_SINGLESTEP PTRACE_SYSEMU_SINGLESTEP
#define PT_STEPBLOCK PTRACE_SINGLEBLOCK