summaryrefslogtreecommitdiff
path: root/rdoff/ldsegs.h
diff options
context:
space:
mode:
Diffstat (limited to 'rdoff/ldsegs.h')
-rw-r--r--rdoff/ldsegs.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/rdoff/ldsegs.h b/rdoff/ldsegs.h
new file mode 100644
index 00000000..8b516faa
--- /dev/null
+++ b/rdoff/ldsegs.h
@@ -0,0 +1,55 @@
+/*
+ * ldsegs.h Data for 'ldrdf' to determine what to do with different
+ * types of segment. This may be useful in other contexts also.
+ */
+
+#ifndef UI16
+#define UI16 unsigned short
+#endif
+
+struct segconfig {
+ UI16 typelow, typehi;/* range of seg nos for which this is valid */
+ char * typedesc; /* a description of the segment type */
+ UI16 dowhat; /* one of the SEG_xxxx values below */
+ UI16 mergetype; /* if SEG_MERGE what type segment do we merge with?
+ 0 -> same type of segment. This type is also
+ used with SEG_NEWSEG. */
+};
+
+#define SEG_IGNORE 0
+#define SEG_NEWSEG 1
+#define SEG_MERGE 2
+
+#define SEGCONFIGMAX 11
+
+struct segconfig sconft[SEGCONFIGMAX] = {
+ {0x0000, 0x0000, "NULL segment", 0, 0},
+ {0x0001, 0x0001, "text", 2, 0},
+ {0x0002, 0x0002, "data", 2, 0},
+ {0x0003, 0x0003, "comment(ignored)", 0, 0},
+ {0x0004, 0x0005, "comment(kept)", 2, 0},
+ {0x0006, 0x0007, "debug information", 2, 0},
+ {0x0008, 0x001F, "reserved(general extensions)", 1, 0},
+ {0x0020, 0x0FFF, "reserved(MOSCOW)", 1, 0},
+ {0x1000, 0x7FFF, "reserved(system dependant)", 1, 0},
+ {0x8000, 0xFFFE, "reserved(other)", 1, 0},
+ {0xFFFF, 0xFFFF, "invalid segment", 0, 0}};
+
+#define getsegconfig(target,number) \
+ { \
+ int _i; \
+ int _t = number; \
+ for (_i = 0; _i < SEGCONFIGMAX; _i++) \
+ if (_t >= sconft[_i].typelow && _t <= sconft[_i].typehi) \
+ { \
+ target = sconft[_i]; \
+ if (target.mergetype == 0) target.mergetype = _t; \
+ break; \
+ } \
+ if (_i == SEGCONFIGMAX) \
+ { \
+ fprintf(stderr, "PANIC: can't find segment %04X in segconfig\n",\
+ _t); \
+ exit(1); \
+ } \
+ }