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Annotation of researchv9/jerq/include/scnhdr.h, revision 1.1.1.1

1.1       root        1: /*     @(#)scnhdr.h    2.1     */
                      2: struct scnhdr {
                      3:        char            s_name[8];      /* section name */
                      4:        long            s_paddr;        /* physical address */
                      5:        long            s_vaddr;        /* virtual address */
                      6:        long            s_size;         /* section size */
                      7:        long            s_scnptr;       /* file ptr to raw data for section */
                      8:        long            s_relptr;       /* file ptr to relocation */
                      9:        long            s_lnnoptr;      /* file ptr to line numbers */
                     10:        unsigned short  s_nreloc;       /* number of relocation entries */
                     11:        unsigned short  s_nlnno;        /* number of line number entries */
                     12:        long            s_flags;        /* flags */
                     13:        };
                     14: 
                     15: #define        SCNHDR  struct scnhdr
                     16: #define        SCNHSZ  sizeof(SCNHDR)
                     17: 
                     18: 
                     19: 
                     20: 
                     21: /*
                     22:  * Define constants for names of "special" sections
                     23:  */
                     24: 
                     25: #define _TEXT ".text"
                     26: #define _DATA ".data"
                     27: #define _BSS  ".bss"
                     28: #define _TV   ".tv"
                     29: 
                     30: 
                     31: 
                     32: 
                     33: /*
                     34:  * The low 4 bits of s_flags is used as a section "type"
                     35:  */
                     36: 
                     37: #define STYP_REG       0x00            /* "regular" section: */
                     38:                                        /*      allocated, relocated, loaded */
                     39: #define STYP_DSECT     0x01            /* "dummy" section: */
                     40:                                        /*      not allocated, relocated,
                     41:                                                not loaded */
                     42: #define STYP_NOLOAD    0x02            /* "noload" section: */
                     43:                                        /*      allocated, relocated,
                     44:                                                 not loaded */
                     45: #define STYP_GROUP     0x04            /* "grouped" section: */
                     46:                                        /*      formed of input sections */
                     47: #define STYP_PAD       0x08            /* "padding" section: */
                     48:                                        /*      not allocated, not relocated,
                     49:                                                 loaded */
                     50: #define STYP_COPY      0x10            /* "copy" section: */
                     51:                                        /*      for decision function used
                     52:                                                by field update;  not
                     53:                                                allocated, not relocated,
                     54:                                                loaded;  reloc & lineno
                     55:                                                entries processed normally */
                     56: 
                     57: /*
                     58:  *  In a minimal file or an update file, a new function
                     59:  *  (as compared with a replaced function) is indicated by S_NEWFCN
                     60:  */
                     61: 
                     62: #define S_NEWFCN  0x10
                     63: 
                     64: /*
                     65:  * In 3b Update Files (output of ogen), sections which appear in SHARED
                     66:  * segments of the Pfile will have the S_SHRSEG flag set by ogen, to inform
                     67:  * dufr that updating 1 copy of the proc. will update all process invocations.
                     68:  */
                     69: 
                     70: #define S_SHRSEG       0x20

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