45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* @(#)setjmp.h 1.1 92/07/30 SMI; from UCB 4.1 83/05/03 */
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#ifndef __sun3_setjmp_h
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#define __sun3_setjmp_h
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/*
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* onsstack,sigmask,sp,pc,psl,d2-d7,a2-a6,
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* fp2-fp7, for 68881
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* fpa4-fpa15 for FPA
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*/
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#define _JBLEN 58
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typedef int jmp_buf[_JBLEN];
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/*
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* One extra word for the "signal mask saved here" flag.
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*/
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typedef int sigjmp_buf[_JBLEN+1];
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int setjmp(/* jmp_buf env */);
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int _setjmp(/* jmp_buf env */);
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int sigsetjmp(/* sigjmp_buf env, int savemask */);
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void longjmp(/* jmp_buf env, int val */);
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void _longjmp(/* jmp_buf env, int val */);
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void siglongjmp(/* sigjmp_buf env, int val */);
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/*
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* Routines that call setjmp have strange control flow graphs,
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* since a call to a routine that calls resume/longjmp will eventually
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* return at the setjmp site, not the original call site. This
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* utterly wrecks control flow analysis.
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*/
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#pragma unknown_control_flow(sigsetjmp, setjmp, _setjmp)
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/*
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* On the 68000, there is the additional problem that registers
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* are restored to their values at the time of the call to setjmp;
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* they should be set to their values at the time of the call to
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* whoever eventually called longjmp. Thus, on routines that call
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* setjmp, automatic register allocation must be suppressed.
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*/
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#pragma makes_regs_inconsistent(sigsetjmp, setjmp, _setjmp)
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#endif /* !__sun3_setjmp_h */
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