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Annotation of qemu/roms/openbios/include/arch/sparc64/a.out.h, revision 1.1

1.1     ! root        1: /* $Id: a.out.h,v 1.8 2002/02/09 19:49:31 davem Exp $ */
        !             2: #ifndef __SPARC64_A_OUT_H__
        !             3: #define __SPARC64_A_OUT_H__
        !             4: 
        !             5: #define SPARC_PGSIZE    0x2000        /* Thanks to the sun4 architecture... */
        !             6: #define SEGMENT_SIZE    SPARC_PGSIZE  /* whee... */
        !             7: 
        !             8: #ifndef __ASSEMBLY__
        !             9: 
        !            10: struct exec {
        !            11:        unsigned char a_dynamic:1;      /* A __DYNAMIC is in this image */
        !            12:        unsigned char a_toolversion:7;
        !            13:        unsigned char a_machtype;
        !            14:        unsigned short a_info;
        !            15:        unsigned int a_text;            /* length of text, in bytes */
        !            16:        unsigned int a_data;            /* length of data, in bytes */
        !            17:        unsigned int a_bss;             /* length of bss, in bytes */
        !            18:        unsigned int a_syms;            /* length of symbol table, in bytes */
        !            19:        unsigned int a_entry;           /* where program begins */
        !            20:        unsigned int a_trsize;
        !            21:        unsigned int a_drsize;
        !            22: };
        !            23: 
        !            24: #endif /* !__ASSEMBLY__ */
        !            25: 
        !            26: /* Where in the file does the text information begin? */
        !            27: #define N_TXTOFF(x)     (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec))
        !            28: 
        !            29: /* Where do the Symbols start? */
        !            30: #define N_SYMOFF(x)     (N_TXTOFF(x) + (x).a_text +   \
        !            31:                          (x).a_data + (x).a_trsize +  \
        !            32:                          (x).a_drsize)
        !            33: 
        !            34: /* Where does text segment go in memory after being loaded? */
        !            35: #define N_TXTADDR(x)    (unsigned long)(((N_MAGIC(x) == ZMAGIC) &&      \
        !            36:                         ((x).a_entry < SPARC_PGSIZE)) ?                \
        !            37:                           0 : SPARC_PGSIZE)
        !            38: 
        !            39: /* And same for the data segment.. */
        !            40: #define N_DATADDR(x) (N_MAGIC(x)==OMAGIC ?         \
        !            41:                       (N_TXTADDR(x) + (x).a_text)  \
        !            42:                        : (unsigned long)(_N_SEGMENT_ROUND (_N_TXTENDADDR(x))))
        !            43: 
        !            44: #define N_TRSIZE(a)    ((a).a_trsize)
        !            45: #define N_DRSIZE(a)    ((a).a_drsize)
        !            46: #define N_SYMSIZE(a)   ((a).a_syms)
        !            47: 
        !            48: #ifndef __ASSEMBLY__
        !            49: 
        !            50: /*
        !            51:  * Sparc relocation types
        !            52:  */
        !            53: enum reloc_type
        !            54: {
        !            55:        RELOC_8,
        !            56:        RELOC_16,
        !            57:        RELOC_32,       /* simplest relocs */
        !            58:        RELOC_DISP8,
        !            59:        RELOC_DISP16,
        !            60:        RELOC_DISP32,   /* Disp's (pc-rel) */
        !            61:        RELOC_WDISP30,
        !            62:        RELOC_WDISP22,  /* SR word disp's */
        !            63:        RELOC_HI22,
        !            64:        RELOC_22,       /* SR 22-bit relocs */
        !            65:        RELOC_13,
        !            66:        RELOC_LO10,     /* SR 13&10-bit relocs */
        !            67:        RELOC_SFA_BASE,
        !            68:        RELOC_SFA_OFF13, /* SR S.F.A. relocs */
        !            69:        RELOC_BASE10,
        !            70:        RELOC_BASE13,
        !            71:        RELOC_BASE22,   /* base_relative pic */
        !            72:        RELOC_PC10,
        !            73:        RELOC_PC22,     /* special pc-rel pic */
        !            74:        RELOC_JMP_TBL,  /* jmp_tbl_rel in pic */
        !            75:        RELOC_SEGOFF16, /* ShLib offset-in-seg */
        !            76:        RELOC_GLOB_DAT,
        !            77:        RELOC_JMP_SLOT,
        !            78:        RELOC_RELATIVE  /* rtld relocs */
        !            79: };
        !            80: 
        !            81: /*
        !            82:  * Format of a relocation datum.
        !            83:  */
        !            84: struct relocation_info /* used when header.a_machtype == M_SPARC */
        !            85: {
        !            86:         unsigned int    r_address;  /* relocation addr */
        !            87:         unsigned int    r_index:24; /* segment index or symbol index */
        !            88:         unsigned int    r_extern:1; /* if F, r_index==SEG#; if T, SYM idx */
        !            89:         int             r_pad:2;    /* <unused> */
        !            90:         enum reloc_type r_type:5;   /* type of relocation to perform */
        !            91:         int             r_addend;   /* addend for relocation value */
        !            92: };
        !            93: 
        !            94: #define N_RELOCATION_INFO_DECLARED 1
        !            95: 
        !            96: #ifdef __KERNEL__
        !            97: 
        !            98: #define STACK_TOP32    ((1UL << 32UL) - PAGE_SIZE)
        !            99: #define STACK_TOP64    (0x0000080000000000UL - (1UL << 32UL))
        !           100: 
        !           101: #define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
        !           102:                   STACK_TOP32 : STACK_TOP64)
        !           103: 
        !           104: #endif
        !           105: 
        !           106: #endif /* !(__ASSEMBLY__) */
        !           107: 
        !           108: #endif /* !(__SPARC64_A_OUT_H__) */

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