|
DataMuseum.dkPresents historical artifacts from the history of: RC9000 |
This is an automatic "excavation" of a thematic subset of
See our Wiki for more about RC9000 Excavated with: AutoArchaeologist - Free & Open Source Software. |
top - downloadIndex: @ T s
Length: 4432 (0x1150)
Types: TextFile
Notes: @(#)setjmp.h 13.1 (RC International) 91/02/01 */
Names: »setjmp.h«
└─⟦50656ff4a⟧ Bits:30010538 TX 3.1 Coldstart
└─⟦c6f24efe5⟧ »0007«
└─⟦this⟧ »comp3.0/bsd/usr/include/setjmp.h«
/* @(#)setjmp.h 13.1 (RC International) 91/02/01 */ /* * jmp_buf offsets * This should really just be a struct sigcontext, but for historical * reasons .... * NOTE: THIS MUST MATCH the initial portion of struct sigcontext, * sc_onsigstk, sc_sigmask, sc_pc, sc_regs, sc_mdlo, sc_mdhi, * fpregs, and fpc_csr * must lie at offset equal to the corresponding entries in the jmp_buf * since longjmp performs a sigcleanup. * See libc routines setjmp/longjmp/sigvec, and kernel routines * sendsig/sigcleanup. */ #ifndef _SETJMP_H #define _SETJMP_H #define JB_SSP 0 /* sigstack stack pointer */ #define JB_ONSIGSTK 1 /* sigstack onsigstack flag */ #define JB_SIGMASK 2 /* signal mask */ #define JB_PC 3 /* program counter */ #define JB_SCSIGNUM 4 /* sc_signum */ #define JB_SCCODE 5 /* sc_code */ #define JB_REGS 6 /* registers */ #define JB_ZERO (JB_REGS+0) /* register zero */ #define JB_MAGIC (JB_ZERO) /* magic number saved at reg 0 */ #define JB_AT (JB_REGS+1) /* AT */ #define JB_V0 (JB_REGS+2) /* function result regs */ #define JB_V1 (JB_REGS+3) #define JB_A0 (JB_REGS+4) /* argument regs */ #define JB_A1 (JB_REGS+5) #define JB_A2 (JB_REGS+6) #define JB_A3 (JB_REGS+7) #define JB_T0 (JB_REGS+8) /* caller saved regs */ #define JB_T1 (JB_REGS+9) #define JB_T2 (JB_REGS+10) #define JB_T3 (JB_REGS+11) #define JB_T4 (JB_REGS+12) #define JB_T5 (JB_REGS+13) #define JB_T6 (JB_REGS+14) #define JB_T7 (JB_REGS+15) #define JB_S0 (JB_REGS+16) /* callee saved regs */ #define JB_S1 (JB_REGS+17) #define JB_S2 (JB_REGS+18) #define JB_S3 (JB_REGS+19) #define JB_S4 (JB_REGS+20) #define JB_S5 (JB_REGS+21) #define JB_S6 (JB_REGS+22) #define JB_S7 (JB_REGS+23) #define JB_T8 (JB_REGS+24) /* temps */ #define JB_T9 (JB_REGS+25) #define JB_K0 (JB_REGS+26) /* kernel regs */ #define JB_K1 (JB_REGS+27) #define JB_GP (JB_REGS+28) /* frame pointer */ #define JB_SP (JB_REGS+29) /* stack pointer */ #define JB_FP (JB_REGS+30) /* frame pointer */ #define JB_RA (JB_REGS+31) /* return address */ #define JB_S8 JB_FP /* The name JB_FP is obsolete */ #define JB_FREGS 41 /* floating-point registers */ #define JB_F0 (JB_FREGS+0) /* function result regs */ #define JB_F1 (JB_FREGS+1) #define JB_F2 (JB_FREGS+2) #define JB_F3 (JB_FREGS+3) #define JB_F4 (JB_FREGS+4) /* caller save regs */ #define JB_F5 (JB_FREGS+5) #define JB_F6 (JB_FREGS+6) #define JB_F7 (JB_FREGS+7) #define JB_F8 (JB_FREGS+8) #define JB_F9 (JB_FREGS+9) #define JB_F10 (JB_FREGS+10) #define JB_F11 (JB_FREGS+11) #define JB_F12 (JB_FREGS+12) /* argument regs */ #define JB_F13 (JB_FREGS+13) #define JB_F14 (JB_FREGS+14) #define JB_F15 (JB_FREGS+15) #define JB_F16 (JB_FREGS+16) /* caller save regs */ #define JB_F17 (JB_FREGS+17) #define JB_F18 (JB_FREGS+18) #define JB_F19 (JB_FREGS+19) #define JB_F20 (JB_FREGS+20) /* callee save regs */ #define JB_F21 (JB_FREGS+21) #define JB_F22 (JB_FREGS+22) #define JB_F23 (JB_FREGS+23) #define JB_F24 (JB_FREGS+24) #define JB_F25 (JB_FREGS+25) #define JB_F26 (JB_FREGS+26) #define JB_F27 (JB_FREGS+27) #define JB_F28 (JB_FREGS+28) #define JB_F29 (JB_FREGS+29) #define JB_F30 (JB_FREGS+30) #define JB_F31 (JB_FREGS+31) #define JB_FPC_CSR (JB_FREGS+32) /* fp control and status register */ /* * WARNING: a jmp_buf must be as large as a sigcontext since * longjmp uses one to perform a sigreturn */ #define SIGCONTEXT_PAD 48 #define NJBREGS (JB_RA+1+SIGCONTEXT_PAD) /* * These are not part of a jmpbuf, but are part of the sigcontext * and are referenced from the signal trampoline code in sigvec.s */ #define SC_MDLO (JB_REGS+32) #define SC_MDHI (JB_REGS+33) #define JBMAGIC 0xacedbade #ifdef LANGUAGE_C #ifndef LOCORE typedef int jmp_buf[NJBREGS]; #endif /* LOCORE */ #define _SIGJBLEN NJBREGS #if defined(__STDC__) extern int setjmp(jmp_buf); extern void longjmp(jmp_buf, int); #if __STDC__ == 0 || defined(_POSIX_SOURCE) || defined(_XOPEN_SOURCE) /* non-ANSI standard compilation */ typedef int sigjmp_buf[_SIGJBLEN]; extern int sigsetjmp(sigjmp_buf, int); extern void siglongjmp(sigjmp_buf, int); #endif #if __STDC__ != 0 #define setjmp(env) setjmp(env) #endif #else /* Not __STDC__ */ typedef int sigjmp_buf[_SIGJBLEN]; extern int setjmp(); extern void longjmp(); extern int sigsetjmp(); extern void siglongjmp(); #endif /* __STDC__ */ #endif /* LANGUAGE_C */ #endif /* _SETJMP_H */