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Annotation of 41BSD/sys/h/pcb.h, revision 1.1

1.1     ! root        1: /*     pcb.h   4.1     11/9/80 */
        !             2: 
        !             3: /*
        !             4:  * VAX process control block
        !             5:  *
        !             6:  * THE SIZE OF THE pcb, AS INFLUENCED BY THE SIZE OF THE SOFTWARE
        !             7:  * EXTENSION, IS KNOWN IN THE #ifdef FASTVAX'ed DEFINITIONS OF THE
        !             8:  * OFFSETS OF U_ARG and U_QSAV IN THE FILE user.h.
        !             9:  */
        !            10: 
        !            11: struct pcb
        !            12: {
        !            13:        int     pcb_ksp;        /* kernel stack pointer */
        !            14:        int     pcb_esp;        /* exec stack pointer */
        !            15:        int     pcb_ssp;        /* supervisor stack pointer */
        !            16:        int     pcb_usp;        /* user stack pointer */
        !            17:        int     pcb_r0; 
        !            18:        int     pcb_r1; 
        !            19:        int     pcb_r2; 
        !            20:        int     pcb_r3; 
        !            21:        int     pcb_r4; 
        !            22:        int     pcb_r5; 
        !            23:        int     pcb_r6; 
        !            24:        int     pcb_r7; 
        !            25:        int     pcb_r8; 
        !            26:        int     pcb_r9; 
        !            27:        int     pcb_r10; 
        !            28:        int     pcb_r11; 
        !            29:        int     pcb_r12; 
        !            30:        int     pcb_r13; 
        !            31:        int     pcb_pc;         /* program counter */
        !            32:        int     pcb_psl;        /* program status longword */
        !            33:        struct  pte *pcb_p0br;  /* seg 0 base register */
        !            34:        int     pcb_p0lr;       /* seg 0 length register and astlevel */
        !            35:        struct  pte *pcb_p1br;  /* seg 1 base register */
        !            36:        int     pcb_p1lr;       /* seg 1 length register and pme */
        !            37: /*
        !            38:  * Software pcb (extension)
        !            39:  */
        !            40:        int     pcb_szpt;       /* number of pages of user page table */
        !            41:        int     pcb_cmap2;
        !            42:        int     *pcb_sswap;
        !            43:        int     pcb_sigc[3];
        !            44: };

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