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https://github.com/netwide-assembler/nasm.git
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56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
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* ldsegs.h Data for 'ldrdf' to determine what to do with different
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* types of segment. This may be useful in other contexts also.
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*/
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#ifndef UI16
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#define UI16 unsigned short
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#endif
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struct segconfig {
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UI16 typelow, typehi;/* range of seg nos for which this is valid */
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char * typedesc; /* a description of the segment type */
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UI16 dowhat; /* one of the SEG_xxxx values below */
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UI16 mergetype; /* if SEG_MERGE what type segment do we merge with?
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0 -> same type of segment. This type is also
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used with SEG_NEWSEG. */
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};
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#define SEG_IGNORE 0
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#define SEG_NEWSEG 1
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#define SEG_MERGE 2
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#define SEGCONFIGMAX 11
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struct segconfig sconft[SEGCONFIGMAX] = {
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{0x0000, 0x0000, "NULL segment", 0, 0},
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{0x0001, 0x0001, "text", 2, 0},
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{0x0002, 0x0002, "data", 2, 0},
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{0x0003, 0x0003, "comment(ignored)", 0, 0},
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{0x0004, 0x0005, "comment(kept)", 2, 0},
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{0x0006, 0x0007, "debug information", 2, 0},
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{0x0008, 0x001F, "reserved(general extensions)", 1, 0},
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{0x0020, 0x0FFF, "reserved(MOSCOW)", 1, 0},
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{0x1000, 0x7FFF, "reserved(system dependant)", 1, 0},
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{0x8000, 0xFFFE, "reserved(other)", 1, 0},
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{0xFFFF, 0xFFFF, "invalid segment", 0, 0}};
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#define getsegconfig(target,number) \
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{ \
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int _i; \
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int _t = number; \
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for (_i = 0; _i < SEGCONFIGMAX; _i++) \
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if (_t >= sconft[_i].typelow && _t <= sconft[_i].typehi) \
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{ \
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target = sconft[_i]; \
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if (target.mergetype == 0) target.mergetype = _t; \
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break; \
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} \
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if (_i == SEGCONFIGMAX) \
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{ \
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fprintf(stderr, "PANIC: can't find segment %04X in segconfig\n",\
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_t); \
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exit(1); \
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} \
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}
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