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118 lines
4.3 KiB
118 lines
4.3 KiB
/* SCCSID = @(#)bndrel.h 4.3 86/07/21 */
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/*
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* Copyright Microsoft Corporation, 1983, 1984, 1985
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*
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* This Module contains Proprietary Information of Microsoft
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* Corporation and should be treated as Confidential.
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*
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* bndrel.h
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* Relocation record definitions
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*/
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#if OEXE
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// DOS run-time relocation record
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#pragma pack(1)
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typedef struct _DOSRLC
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{
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WORD ra; // Relocation offset
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SATYPE sa; // Relocation segment
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}
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DOSRLC;
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#pragma pack()
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#define CBRLE sizeof(DOSRLC)
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#if FEXEPACK
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// EXEPACKed DOS run-time relocation storage
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typedef struct _FRAMERLC
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{
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WORD count; // Number of relocation for this frame
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WORD size; // Size of rgRlc
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WORD FAR *rgRlc; // Array of packed relocation offsets
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}
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FRAMERLC;
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#define DEF_FRAMERLC 64
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#endif
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// Not EXEPACKed DOS run-time relocation storage
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typedef struct _RUNRLC
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{
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WORD count; // Number of relocation for this overlay
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WORD size; // Size of rgRlc
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DOSRLC FAR *rgRlc; // Array of relocation addresses
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}
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RUNRLC;
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#define DEF_RUNRLC 128
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#endif
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#define LOCLOBYTE 0 /* Lo-byte (8-bit) fixup */
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#define LOCOFFSET 1 /* Offset (16-bit) fixup */
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#define LOCSEGMENT 2 /* Segment (16-bit) fixup */
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#define LOCPTR 3 /* "Pointer" (32-bit) fixup */
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#define LOCHIBYTE 4 /* Hi-byte fixup (unimplemented) */
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#define LOCLOADOFFSET 5 /* Loader-resolved offset fixup */
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#define LOCOFFSET32 9 /* 32-bit offset */
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#define LOCPTR48 11 /* 48-bit pointer */
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#define LOCLOADOFFSET32 13 /* 32-bit loader-resolved offset */
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#define T0 0 /* Target method T0 (segment index) */
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#define T1 1 /* Target method T1 (group index) */
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#define T2 2 /* Target method T2 (extern index) */
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#define F0 0 /* Frame method F0 (segment index) */
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#define F1 1 /* Frame method F1 (group index) */
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#define F2 2 /* Frame method F2 (extern index) */
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#define F3 3 /* Frame method F3 (frame number) */
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#define F4 4 /* Frame method F4 (location) */
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#define F5 5 /* Frame method F5 (target) */
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/*
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* Fixup record bits
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*/
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#define F_BIT 0x80
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#define T_BIT 0x08
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#define P_BIT 0x04
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#define M_BIT 0x40
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#define S_BIT 0x20
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#define THREAD_BIT 0x80
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#define D_BIT 0x40
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#define FCODETOCODE 0
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#define FCODETODATA 1
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#define FDATATOCODE 2
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#define FDATATODATA 3
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#define BREAKPOINT 0xCC /* Op code for interrupt 3 (brkpt) */
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#define CALLFARDIRECT 0x9A /* Op code for long call */
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#define CALLNEARDIRECT 0xE8 /* Op code for short call */
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#define JUMPFAR 0xEA /* Op code for long jump */
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#define JUMPNEAR 0xE9 /* Op code for short (3-byte) jump */
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#define KINDSEG 0
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#define KINDGROUP 1
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#define KINDEXT 2
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#define KINDLOCAT 4
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#define KINDTARGET 5
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#define NOP 0x90 /* Op code for no-op */
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#define PUSHCS 0x0E /* Op code for push CS */
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#define INTERRUPT 0xCD /* Op code for interrupt */
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typedef struct _FIXINFO
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{
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WORD f_dri; /* Data record index */
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WORD f_loc; /* Fixup location type */
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KINDTYPE f_mtd; /* Target specification method */
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WORD f_idx; /* Target specification index */
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DWORD f_disp; /* Target displacement */
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KINDTYPE f_fmtd; /* Frame specification method */
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WORD f_fidx; /* Frame specification index */
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FTYPE f_self; /* Self-relative boolean */
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FTYPE f_add; /* Additive fixup boolean */
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}
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FIXINFO; /* Fixup information record */
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