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annotate dmd2/objfile.h @ 1650:40bd4a0d4870

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Update to work with LLVM 2.7. Removed use of dyn_cast, llvm no compiles without exceptions and rtti by default. We do need exceptions for the libconfig stuff, but rtti isn't necessary (anymore). Debug info needs to be rewritten, as in LLVM 2.7 the format has completely changed. To have something to look at while rewriting, the old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means that you have to define this to compile at the moment. Updated tango 0.99.9 patch to include updated EH runtime code, which is needed for LLVM 2.7 as well.
author Tomas Lindquist Olsen
date Wed, 19 May 2010 12:42:32 +0200
parents 638d16625da2
children
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1452
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1
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2
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3 #ifndef OBJFILE_H
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4 #define OBJFILE_H
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5
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6 #include "root.h"
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7
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8 typedef void *SymHandle;
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9 typedef unsigned SegOffset;
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10
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11 enum ObjFormat
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12 {
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13 NTCOFF,
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14 ELF
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15 };
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16
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17 struct ObjFile : File
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18 {
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19 ObjFile(FileName *);
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20 ~ObjFile();
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21
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22 ObjFile *init(ObjFormat);
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23
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24 void comment(const char *); // insert comment into object file
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25 void modulename(const char *); // set module name
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26 void library(const char *); // add default library
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27 void startaddress(SegHandle seg, SegOffset offset); // set start address
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28
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29 // Segments
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30 enum SegHandle
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31 { code = 1,
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32 data, bss
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33 };
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34
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35 SymHandle defineSym(const char *name, SegHandle seg, SegOffset offset);
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36 SymHandle externSym(const char *name);
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37
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38 SegOffset write(SegHandle seg, const void *data, unsigned nbytes);
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39 SegOffset writestring(SegHandle seg, char *string);
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40 SegOffset write8(SegHandle seg, unsigned b);
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41 SegOffset write16(SegHandle seg, unsigned w);
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42 SegOffset write32(SegHandle seg, unsigned long v);
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43 SegOffset write64(SegHandle seg, unsigned long long v);
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44 SegOffset fill0(SegHandle seg, unsigned nbytes);
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45 SegOffset align(SegHandle seg, unsigned size);
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46 SegOffset writefixup(SegHandle seg, SymHandle sym, unsigned value, int selfrelative);
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47
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48 // Non-binding hint as to how big seg will grow
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49 void reserve(SegHandle seg, SegOffset size);
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50
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51 // Set actual size
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52 void setSize(SegHandle seg, SegOffset size);
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53
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54 // Get/set offset for subsequent writes
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55 void setOffset(SegHandle seg, SegOffset offset);
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56 SegOffset getOffset(SegHandle seg);
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57
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58 SegHandle createSeg(const char *name);
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59 };
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60
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61 #endif