1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/gba/elf.h	Sun Mar 04 14:33:52 2012 -0600
     1.3 @@ -0,0 +1,296 @@
     1.4 +#ifndef VBA_ELF_H
     1.5 +#define VBA_ELF_H
     1.6 +
     1.7 +#if _MSC_VER > 1000
     1.8 +#pragma once
     1.9 +#endif // _MSC_VER > 1000
    1.10 +
    1.11 +enum LocationType
    1.12 +{
    1.13 +	LOCATION_register,
    1.14 +	LOCATION_memory,
    1.15 +	LOCATION_value
    1.16 +};
    1.17 +
    1.18 +#define DW_ATE_boolean       0x02
    1.19 +#define DW_ATE_signed        0x05
    1.20 +#define DW_ATE_unsigned      0x07
    1.21 +#define DW_ATE_unsigned_char 0x08
    1.22 +
    1.23 +struct ELFHeader
    1.24 +{
    1.25 +	u32 magic;
    1.26 +	u8  clazz;
    1.27 +	u8  data;
    1.28 +	u8  version;
    1.29 +	u8  pad[9];
    1.30 +	u16 e_type;
    1.31 +	u16 e_machine;
    1.32 +	u32 e_version;
    1.33 +	u32 e_entry;
    1.34 +	u32 e_phoff;
    1.35 +	u32 e_shoff;
    1.36 +	u32 e_flags;
    1.37 +	u16 e_ehsize;
    1.38 +	u16 e_phentsize;
    1.39 +	u16 e_phnum;
    1.40 +	u16 e_shentsize;
    1.41 +	u16 e_shnum;
    1.42 +	u16 e_shstrndx;
    1.43 +};
    1.44 +
    1.45 +struct ELFProgramHeader
    1.46 +{
    1.47 +	u32 type;
    1.48 +	u32 offset;
    1.49 +	u32 vaddr;
    1.50 +	u32 paddr;
    1.51 +	u32 filesz;
    1.52 +	u32 memsz;
    1.53 +	u32 flags;
    1.54 +	u32 align;
    1.55 +};
    1.56 +
    1.57 +struct ELFSectionHeader
    1.58 +{
    1.59 +	u32 name;
    1.60 +	u32 type;
    1.61 +	u32 flags;
    1.62 +	u32 addr;
    1.63 +	u32 offset;
    1.64 +	u32 size;
    1.65 +	u32 link;
    1.66 +	u32 info;
    1.67 +	u32 addralign;
    1.68 +	u32 entsize;
    1.69 +};
    1.70 +
    1.71 +struct ELFSymbol
    1.72 +{
    1.73 +	u32 name;
    1.74 +	u32 value;
    1.75 +	u32 size;
    1.76 +	u8  info;
    1.77 +	u8  other;
    1.78 +	u16 shndx;
    1.79 +};
    1.80 +
    1.81 +struct ELFBlock
    1.82 +{
    1.83 +	int length;
    1.84 +	u8 *data;
    1.85 +};
    1.86 +
    1.87 +struct ELFAttr
    1.88 +{
    1.89 +	u32 name;
    1.90 +	u32 form;
    1.91 +	union
    1.92 +	{
    1.93 +		u32       value;
    1.94 +		char *    string;
    1.95 +		u8 *      data;
    1.96 +		bool      flag;
    1.97 +		ELFBlock *block;
    1.98 +	};
    1.99 +};
   1.100 +
   1.101 +struct ELFAbbrev
   1.102 +{
   1.103 +	u32        number;
   1.104 +	u32        tag;
   1.105 +	bool       hasChildren;
   1.106 +	int        numAttrs;
   1.107 +	ELFAttr *  attrs;
   1.108 +	ELFAbbrev *next;
   1.109 +};
   1.110 +
   1.111 +enum TypeEnum
   1.112 +{
   1.113 +	TYPE_base,
   1.114 +	TYPE_pointer,
   1.115 +	TYPE_function,
   1.116 +	TYPE_void,
   1.117 +	TYPE_array,
   1.118 +	TYPE_struct,
   1.119 +	TYPE_reference,
   1.120 +	TYPE_enum,
   1.121 +	TYPE_union
   1.122 +};
   1.123 +
   1.124 +struct Type;
   1.125 +struct Object;
   1.126 +
   1.127 +struct FunctionType
   1.128 +{
   1.129 +	Type *  returnType;
   1.130 +	Object *args;
   1.131 +};
   1.132 +
   1.133 +struct Member
   1.134 +{
   1.135 +	char *    name;
   1.136 +	Type *    type;
   1.137 +	int       bitSize;
   1.138 +	int       bitOffset;
   1.139 +	int       byteSize;
   1.140 +	ELFBlock *location;
   1.141 +};
   1.142 +
   1.143 +struct Struct
   1.144 +{
   1.145 +	int     memberCount;
   1.146 +	Member *members;
   1.147 +};
   1.148 +
   1.149 +struct Array
   1.150 +{
   1.151 +	Type *type;
   1.152 +	int   maxBounds;
   1.153 +	int * bounds;
   1.154 +};
   1.155 +
   1.156 +struct EnumMember
   1.157 +{
   1.158 +	char *name;
   1.159 +	u32   value;
   1.160 +};
   1.161 +
   1.162 +struct Enum
   1.163 +{
   1.164 +	int         count;
   1.165 +	EnumMember *members;
   1.166 +};
   1.167 +
   1.168 +struct Type
   1.169 +{
   1.170 +	u32      offset;
   1.171 +	TypeEnum type;
   1.172 +	char *   name;
   1.173 +	int      encoding;
   1.174 +	int      size;
   1.175 +	int      bitSize;
   1.176 +	union
   1.177 +	{
   1.178 +		Type *        pointer;
   1.179 +		FunctionType *function;
   1.180 +		Array *       array;
   1.181 +		Struct *      structure;
   1.182 +		Enum *        enumeration;
   1.183 +	};
   1.184 +	Type *next;
   1.185 +};
   1.186 +
   1.187 +struct Object
   1.188 +{
   1.189 +	char *    name;
   1.190 +	int       file;
   1.191 +	int       line;
   1.192 +	bool      external;
   1.193 +	Type *    type;
   1.194 +	ELFBlock *location;
   1.195 +	u32       startScope;
   1.196 +	u32       endScope;
   1.197 +	Object *  next;
   1.198 +};
   1.199 +
   1.200 +struct Function
   1.201 +{
   1.202 +	char *    name;
   1.203 +	u32       lowPC;
   1.204 +	u32       highPC;
   1.205 +	int       file;
   1.206 +	int       line;
   1.207 +	bool      external;
   1.208 +	Type *    returnType;
   1.209 +	Object *  parameters;
   1.210 +	Object *  variables;
   1.211 +	ELFBlock *frameBase;
   1.212 +	Function *next;
   1.213 +};
   1.214 +
   1.215 +struct LineInfoItem
   1.216 +{
   1.217 +	u32   address;
   1.218 +	char *file;
   1.219 +	int   line;
   1.220 +};
   1.221 +
   1.222 +struct LineInfo
   1.223 +{
   1.224 +	int           fileCount;
   1.225 +	char **       files;
   1.226 +	int           number;
   1.227 +	LineInfoItem *lines;
   1.228 +};
   1.229 +
   1.230 +struct ARange
   1.231 +{
   1.232 +	u32 lowPC;
   1.233 +	u32 highPC;
   1.234 +};
   1.235 +
   1.236 +struct ARanges
   1.237 +{
   1.238 +	u32     offset;
   1.239 +	int     count;
   1.240 +	ARange *ranges;
   1.241 +};
   1.242 +
   1.243 +struct CompileUnit
   1.244 +{
   1.245 +	u32          length;
   1.246 +	u8 *         top;
   1.247 +	u32          offset;
   1.248 +	ELFAbbrev ** abbrevs;
   1.249 +	ARanges *    ranges;
   1.250 +	char *       name;
   1.251 +	char *       compdir;
   1.252 +	u32          lowPC;
   1.253 +	u32          highPC;
   1.254 +	bool         hasLineInfo;
   1.255 +	u32          lineInfo;
   1.256 +	LineInfo *   lineInfoTable;
   1.257 +	Function *   functions;
   1.258 +	Function *   lastFunction;
   1.259 +	Object *     variables;
   1.260 +	Type *       types;
   1.261 +	CompileUnit *next;
   1.262 +};
   1.263 +
   1.264 +struct DebugInfo
   1.265 +{
   1.266 +	u8 *     debugfile;
   1.267 +	u8 *     abbrevdata;
   1.268 +	u8 *     debugdata;
   1.269 +	u8 *     infodata;
   1.270 +	int      numRanges;
   1.271 +	ARanges *ranges;
   1.272 +};
   1.273 +
   1.274 +struct Symbol
   1.275 +{
   1.276 +	char *name;
   1.277 +	int   type;
   1.278 +	int   binding;
   1.279 +	u32   address;
   1.280 +	u32   value;
   1.281 +	u32   size;
   1.282 +};
   1.283 +
   1.284 +extern u32 elfReadLEB128(u8 *, int *);
   1.285 +extern s32 elfReadSignedLEB128(u8 *, int *);
   1.286 +extern bool elfRead(const char *, int &, FILE *f);
   1.287 +extern bool elfGetSymbolAddress(char *, u32 *, u32 *, int *);
   1.288 +extern char *elfGetAddressSymbol(u32);
   1.289 +extern char *elfGetSymbol(int, u32 *, u32 *, int *);
   1.290 +extern void elfCleanUp();
   1.291 +extern bool elfGetCurrentFunction(u32, Function **, CompileUnit **c);
   1.292 +extern bool elfGetObject(char *, Function *, CompileUnit *, Object * *);
   1.293 +extern bool elfFindLineInUnit(u32 *, CompileUnit *, int);
   1.294 +extern bool elfFindLineInModule(u32 *, char *, int);
   1.295 +u32 elfDecodeLocation(Function *, ELFBlock *, LocationType *);
   1.296 +u32 elfDecodeLocation(Function *, ELFBlock *, LocationType *, u32);
   1.297 +int elfFindLine(CompileUnit *unit, Function *func, u32 addr, char * *);
   1.298 +
   1.299 +#endif // VBA_ELF_H