/* * , 1993 NeXT Computer, Inc. */ #ifndef _PPC_SIGNAL_H_ #define _PPC_SIGNAL_H_ 1 #include <sys/cdefs.h> #ifndef _ANSI_SOURCE typedef int sig_atomic_t; #include <sys/appleapiopts.h> #ifdef __APPLE_API_OBSOLETE #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) #define __need_struct_sigcontext #define __need_struct_sigcontext32 #define __need_struct_sigcontext64 #include <ppc/_structs.h> /* * Machine-dependant flags used in sigvec call. */ #define SV_SAVE_REGS 0x1000 /* Save all regs in sigcontext */ /* * regs_saved_t -- Describes which registers beyond what the kernel cares * about are saved to and restored from this sigcontext. * * The default is REGS_SAVED_CALLER, only the caller saved registers * are saved. If the SV_SAVE_REGS flag was set when the signal * handler was registered with sigvec() then all the registers will be * saved in the sigcontext, and REGS_SAVED_ALL will be set. The C * library uses REGS_SAVED_NONE in order to quickly restore kernel * state during a longjmp(). */ typedef enum { REGS_SAVED_NONE, /* Only kernel managed regs restored */ REGS_SAVED_CALLER, /* "Caller saved" regs: rpc, a0-a7, t0-t4, at, lk0-lk1, xt1-xt20, xr0-xr1 */ REGS_SAVED_ALL /* All registers */ } regs_saved_t; #endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */ #endif /* __APPLE_API_OBSOLETE */ #endif /* _ANSI_SOURCE */ #endif /* _PPC_SIGNAL_H_ */