source: buchla-68k/include/objdefs.h@ bf89cfb

/*
   ============================================================================
        objdefs.h -- Object file format for as68  (Atari 1040ST TOS objects)
        Version 7 -- 1987-12-30 -- D.N. Lynx Crowe
   ============================================================================
*/

#pragma once

#include "stdint.h"

struct EXFILE {                 /* executable file header */

        uint16_t        F_Magic;        /* File type magic */
        int32_t         F_Text;         /* SIze of text segment */
        int32_t         F_Data;         /* Size of data segment */
        int32_t         F_BSS;          /* Size of BSS segment */
        int32_t         F_Symtab;       /* Size of symbol table */
        int32_t         F_Res1;         /* Reserved area #1 */
        int32_t         F_Res2;         /* Reserved area #2 -- text origin */
        int16_t         F_Res3;         /* Reserved area #3 -- flag word */

                                        /* data origin - long */
                                        /* bss origin - long */
};

#define F_R_C   0x601Au         /* Magic for contiguous file */
#define F_R_D   0x601Bu         /* Magic for discontiguous file */

struct SYMBOL {                 /* Symbol table entry -- 14 bytes */

        int8_t          symname[8];     /* Symbol name  (LJZF) */
        uint16_t        symtype;        /* Symbol type flags */
        int32_t         symvalue;       /* Symbol value */
};

#define S_Def   0x8000u         /* Defined */
#define S_Equ   0x4000u         /* Equated */
#define S_Glb   0x2000u         /* Global */
#define S_Reg   0x1000u         /* Equated register */
#define S_Ext   0x0800u         /* External reference */
#define S_Data  0x0400u         /* Data based relocatable */
#define S_Text  0x0200u         /* Text based relocatable */
#define S_BSS   0x0100u         /* BSS based relocatable */