60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
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/*
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* a.out file structure definitions
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*
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* written by Yasha (ITOH Yasufumi)
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* public domain
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*
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* $NetBSD: aout68k.h,v 1.1 1998/09/01 19:51:08 itohy Exp $
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*/
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/*
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* NetBSD/m68k a.out format (OMAGIC, NMAGIC)
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*
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* ----------------------------
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* | file header (32 bytes) |
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* |--------------------------|
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* | text |
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* |--------------------------|
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* | data |
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* |--------------------------|
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* | text relocation table |
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* |--------------------------|
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* | data relocation table |
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* |--------------------------|
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* | symbol table |
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* |--------------------------|
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* | string table |
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* ----------------------------
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*
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* OMAGIC: text and data segments are loaded contiguous
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* NMAGIC: data segment is loaded at the next page of the text
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*/
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struct aout_m68k {
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be_uint32_t a_magic; /* encoded magic number */
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be_uint32_t a_text; /* size of text section */
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be_uint32_t a_data; /* size of data section */
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be_uint32_t a_bss; /* size of bss */
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be_uint32_t a_syms; /* size of symbol table */
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be_uint32_t a_entry; /* entry point address */
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be_uint32_t a_trsize; /* size of text relocation */
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be_uint32_t a_drsize; /* size of data relocation */
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};
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#define AOUT_GET_MAGIC(e) (((e)->a_magic.val[2]<<8) | (e)->a_magic.val[3])
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#define AOUT_OMAGIC 0407
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#define AOUT_NMAGIC 0410
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#define AOUT_ZMAGIC 0413 /* demand paging --- header is in the text */
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#define AOUT_GET_FLAGS(e) ((e)->a_magic.val[0] >> 2)
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#define AOUT_FLAG_PIC 0x10
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#define AOUT_FLAG_DYNAMIC 0x20
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/* machine ID */
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#define AOUT_GET_MID(e) ((((e)->a_magic.val[0] & 0x03) << 8) | \
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(e)->a_magic.val[1])
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#define AOUT_MID_M68K 135 /* m68k BSD binary, 8KB page */
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#define AOUT_MID_M68K4K 136 /* m68k BSD binary, 4KB page */
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#define AOUT_PAGESIZE(e) (AOUT_GET_MAGIC(e) == AOUT_OMAGIC ? 1 : \
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AOUT_GET_MID(e) == AOUT_MID_M68K ? 8192 : 4096)
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