jmp_buf.h

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    1 /* This file is intended for use by assembly language programs that
    2  * need to manipulate a jmp_buf.  It may only be used by those systems
    3  * for which a jmp_buf is identical to a struct sigcontext.
    4  */
    5 
    6 #ifndef _JMP_BUF_H
    7 #define _JMP_BUF_H
    8 
    9 #if !defined(CHIP)
   10 #include "error, configuration is not known"
   11 #endif
   12 
   13 #if (CHIP == INTEL)
   14 #if _WORD_SIZE == 4
   15 #define JB_FLAGS         0
   16 #define JB_MASK          4
   17 #define JB_GS            8
   18 #define JB_FS           10
   19 #define JB_ES           12
   20 #define JB_DS           14
   21 #define JB_DI           16
   22 #define JB_SI           20
   23 #define JB_BP           24
   24 #define JB_ST           28
   25 #define JB_BX           32
   26 #define JB_DX           36
   27 #define JB_CX           40
   28 #define JB_AX           44
   29 #define JB_RETADR       48
   30 #define JB_IP           52
   31 #define JB_CS           56
   32 #define JB_PSW          60
   33 #define JB_SP           64
   34 #define JB_SS           68
   35 #else /* _WORD_SIZE == 2 */
   36 #define JB_FLAGS         0
   37 #define JB_MASK          2
   38 #define JB_ES            6
   39 #define JB_DS            8 
   40 #define JB_DI           10
   41 #define JB_SI           12
   42 #define JB_BP           14
   43 #define JB_ST           16
   44 #define JB_BX           18
   45 #define JB_DX           20
   46 #define JB_CX           22
   47 #define JB_AX           24
   48 #define JB_RETADR       26
   49 #define JB_IP           28
   50 #define JB_CS           30
   51 #define JB_PSW          32
   52 #define JB_SP           34
   53 #define JB_SS           36
   54 #endif /* _WORD_SIZE == 2 */
   55 #else /* !(CHIP == INTEL) */
   56 #if (CHIP == M68000)
   57 #define JB_FLAGS         0
   58 #define JB_MASK          2
   59 #define JB_RETREG        6
   60 #define JB_D1           10
   61 #define JB_D2           14
   62 #define JB_D3           18
   63 #define JB_D4           22
   64 #define JB_D5           26
   65 #define JB_D6           20
   66 #define JB_D7           34
   67 #define JB_A0           38
   68 #define JB_A1           42
   69 #define JB_A2           46
   70 #define JB_A3           50
   71 #define JB_A4           54
   72 #define JB_A5           58
   73 #define JB_A6           62
   74 #define JB_SP           66
   75 #define JB_PC           70
   76 #define JB_PSW          74
   77 #else /* !(CHIP == INTEL) && !(CHIP == M68000) */
   78 #include "error, CHIP is not supported"
   79 #endif /* (CHIP == INTEL) */
   80 
   81 /* Defines from C headers needed in assembly code.  The headers have too
   82  * much C stuff to used directly.
   83  */
   84 #define SIG_BLOCK       0       /* must agree with <signal.h> */
   85 #define SC_SIGCONTEXT   2       /* must agree with <sys/sigcontext.h> */
   86 #define SC_NOREGLOCALS  4       /* must agree with <sys/sigcontext.h> */
   87 #endif /* _JMP_BUF_H */

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FreeBSD/Linux Kernel Cross Reference sys/include/minix/jmp_buf.h

FreeBSD/Linux Kernel Cross Reference
sys/include/minix/jmp_buf.h