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typedef struct Dwarf Dwarf;
typedef struct DwarfAttrs DwarfAttrs;
typedef struct DwarfBlock DwarfBlock;
typedef struct DwarfBuf DwarfBuf;
typedef struct DwarfExpr DwarfExpr;
typedef struct DwarfSym DwarfSym;
typedef union DwarfVal DwarfVal;
enum
{
TagArrayType = 0x01,
TagClassType = 0x02,
TagEntryPoint = 0x03,
TagEnumerationType = 0x04,
TagFormalParameter = 0x05,
TagImportedDeclaration = 0x08,
TagLabel = 0x0A,
TagLexDwarfBlock = 0x0B,
TagMember = 0x0D,
TagPointerType = 0x0F,
TagReferenceType = 0x10,
TagCompileUnit = 0x11,
TagStringType = 0x12,
TagStructType = 0x13,
TagSubroutineType = 0x15,
TagTypedef = 0x16,
TagUnionType = 0x17,
TagUnspecifiedParameters = 0x18,
TagVariant = 0x19,
TagCommonDwarfBlock = 0x1A,
TagCommonInclusion = 0x1B,
TagInheritance = 0x1C,
TagInlinedSubroutine = 0x1D,
TagModule = 0x1E,
TagPtrToMemberType = 0x1F,
TagSetType = 0x20,
TagSubrangeType = 0x21,
TagWithStmt = 0x22,
TagAccessDeclaration = 0x23,
TagBaseType = 0x24,
TagCatchDwarfBlock = 0x25,
TagConstType = 0x26,
TagConstant = 0x27,
TagEnumerator = 0x28,
TagFileType = 0x29,
TagFriend = 0x2A,
TagNamelist = 0x2B,
TagNamelistItem = 0x2C,
TagPackedType = 0x2D,
TagSubprogram = 0x2E,
TagTemplateTypeParameter = 0x2F,
TagTemplateValueParameter = 0x30,
TagThrownType = 0x31,
TagTryDwarfBlock = 0x32,
TagVariantPart = 0x33,
TagVariable = 0x34,
TagVolatileType = 0x35,
TagDwarfProcedure = 0x36,
TagRestrictType = 0x37,
TagInterfaceType = 0x38,
TagNamespace = 0x39,
TagImportedModule = 0x3A,
TagUnspecifiedType = 0x3B,
TagPartialUnit = 0x3C,
TagImportedUnit = 0x3D,
TagMutableType = 0x3E,
TypeAddress = 0x01,
TypeBoolean = 0x02,
TypeComplexFloat = 0x03,
TypeFloat = 0x04,
TypeSigned = 0x05,
TypeSignedChar = 0x06,
TypeUnsigned = 0x07,
TypeUnsignedChar = 0x08,
TypeImaginaryFloat = 0x09,
AccessPublic = 0x01,
AccessProtected = 0x02,
AccessPrivate = 0x03,
VisLocal = 0x01,
VisExported = 0x02,
VisQualified = 0x03,
VirtNone = 0x00,
VirtVirtual = 0x01,
VirtPureVirtual = 0x02,
LangC89 = 0x0001,
LangC = 0x0002,
LangAda83 = 0x0003,
LangCplusplus = 0x0004,
LangCobol74 = 0x0005,
LangCobol85 = 0x0006,
LangFortran77 = 0x0007,
LangFortran90 = 0x0008,
LangPascal83 = 0x0009,
LangModula2 = 0x000A,
LangJava = 0x000B,
LangC99 = 0x000C,
LangAda95 = 0x000D,
LangFortran95 = 0x000E,
LangPLI = 0x000F,
// 0x8000-0xFFFF reserved
IdCaseSensitive = 0x00,
IdCaseUpper = 0x01,
IdCaseLower = 0x02,
IdCaseInsensitive = 0x03,
CallingNormal = 0x01,
CallingProgram = 0x02,
CallingNocall = 0x03,
// 0x40-0xFF reserved
InNone = 0x00,
InInlined = 0x01,
InDeclaredNotInlined = 0x02,
InDeclaredInlined = 0x03,
OrderRowMajor = 0x00,
OrderColumnMajor = 0x01,
DiscLabel = 0x00,
DiscRange = 0x01,
TReference = 1<<0,
TBlock = 1<<1,
TConstant = 1<<2,
TString = 1<<3,
TFlag = 1<<4,
TAddress = 1<<5,
OpAddr = 0x03, // 1 op, const addr
OpDeref = 0x06,
OpConst1u = 0x08, // 1 op, 1 byte const
OpConst1s = 0x09, // " signed
OpConst2u = 0x0A, // 1 op, 2 byte const
OpConst2s = 0x0B, // " signed
OpConst4u = 0x0C, // 1 op, 4 byte const
OpConst4s = 0x0D, // " signed
OpConst8u = 0x0E, // 1 op, 8 byte const
OpConst8s = 0x0F, // " signed
OpConstu = 0x10, // 1 op, LEB128 const
OpConsts = 0x11, // " signed
OpDup = 0x12,
OpDrop = 0x13,
OpOver = 0x14,
OpPick = 0x15, // 1 op, 1 byte stack index
OpSwap = 0x16,
OpRot = 0x17,
OpXderef = 0x18,
OpAbs = 0x19,
OpAnd = 0x1A,
OpDiv = 0x1B,
OpMinus = 0x1C,
OpMod = 0x1D,
OpMul = 0x1E,
OpNeg = 0x1F,
OpNot = 0x20,
OpOr = 0x21,
OpPlus = 0x22,
OpPlusUconst = 0x23, // 1 op, ULEB128 addend
OpShl = 0x24,
OpShr = 0x25,
OpShra = 0x26,
OpXor = 0x27,
OpSkip = 0x2F, // 1 op, signed 2-byte constant
OpBra = 0x28, // 1 op, signed 2-byte constant
OpEq = 0x29,
OpGe = 0x2A,
OpGt = 0x2B,
OpLe = 0x2C,
OpLt = 0x2D,
OpNe = 0x2E,
OpLit0 = 0x30,
// OpLitN = OpLit0 + N for N = 0..31
OpReg0 = 0x50,
// OpRegN = OpReg0 + N for N = 0..31
OpBreg0 = 0x70, // 1 op, signed LEB128 constant
// OpBregN = OpBreg0 + N for N = 0..31
OpRegx = 0x90, // 1 op, ULEB128 register
OpFbreg = 0x91, // 1 op, SLEB128 offset
OpBregx = 0x92, // 2 op, ULEB128 reg, SLEB128 off
OpPiece = 0x93, // 1 op, ULEB128 size of piece
OpDerefSize = 0x94, // 1-byte size of data retrieved
OpXderefSize = 0x95, // 1-byte size of data retrieved
OpNop = 0x96,
// next four new in Dwarf v3
OpPushObjAddr = 0x97,
OpCall2 = 0x98, // 2-byte offset of DIE
OpCall4 = 0x99, // 4-byte offset of DIE
OpCallRef = 0x9A, // 4- or 8- byte offset of DIE
// 0xE0-0xFF reserved for user-specific
};
struct DwarfBlock
{
uchar *data;
ulong len;
};
/* not for consumer use */
struct DwarfBuf
{
Dwarf *d;
uchar *p;
uchar *ep;
uint addrsize;
};
union DwarfVal
{
char *s;
ulong c;
ulong r;
DwarfBlock b;
};
struct DwarfAttrs
{
ulong tag;
uchar haskids;
/* whether we have it, along with type */
struct {
uchar abstractorigin;
uchar accessibility;
uchar addrclass;
uchar basetypes;
uchar bitoffset;
uchar bitsize;
uchar bytesize;
uchar calling;
uchar commonref;
uchar compdir;
uchar constvalue;
uchar containingtype;
uchar count;
uchar datamemberloc;
uchar declcolumn;
uchar declfile;
uchar declline;
uchar defaultvalue;
uchar discr;
uchar discrlist;
uchar discrvalue;
uchar encoding;
uchar framebase;
uchar friend;
uchar highpc;
uchar identifiercase;
uchar import;
uchar inlined;
uchar isartificial;
uchar isdeclaration;
uchar isexternal;
uchar isoptional;
uchar isprototyped;
uchar isvarparam;
uchar language;
uchar location;
uchar lowerbound;
uchar lowpc;
uchar macroinfo;
uchar name;
uchar namelistitem;
uchar ordering;
uchar priority;
uchar producer;
uchar ranges;
uchar returnaddr;
uchar segment;
uchar sibling;
uchar specification;
uchar startscope;
uchar staticlink;
uchar stmtlist;
uchar stridesize;
uchar stringlength;
uchar type;
uchar upperbound;
uchar uselocation;
uchar virtuality;
uchar visibility;
uchar vtableelemloc;
} have;
ulong abstractorigin;
ulong accessibility;
ulong addrclass;
ulong basetypes;
ulong bitoffset;
ulong bitsize;
ulong bytesize;
ulong calling;
ulong commonref;
char* compdir;
DwarfVal constvalue;
ulong containingtype;
ulong count;
DwarfVal datamemberloc;
ulong declcolumn;
ulong declfile;
ulong declline;
ulong defaultvalue;
ulong discr;
DwarfBlock discrlist;
ulong discrvalue;
ulong encoding;
DwarfVal framebase;
ulong friend;
ulong highpc;
ulong identifiercase;
ulong import;
ulong inlined;
uchar isartificial;
uchar isdeclaration;
uchar isexternal;
uchar isoptional;
uchar isprototyped;
uchar isvarparam;
ulong language;
DwarfVal location;
ulong lowerbound;
ulong lowpc;
ulong macroinfo;
char* name;
DwarfBlock namelistitem;
ulong ordering;
ulong priority;
char* producer;
ulong ranges;
DwarfVal returnaddr;
DwarfVal segment;
ulong sibling;
ulong specification;
ulong startscope;
DwarfVal staticlink;
ulong stmtlist;
ulong stridesize;
DwarfVal stringlength;
ulong type;
ulong upperbound;
DwarfVal uselocation;
ulong virtuality;
ulong visibility;
DwarfVal vtableelemloc;
};
enum
{
RuleUndef,
RuleSame,
RuleCfaOffset,
RuleRegister,
RuleRegOff,
RuleLocation,
};
struct DwarfExpr
{
int type;
long offset;
ulong reg;
DwarfBlock loc;
};
struct DwarfSym
{
DwarfAttrs attrs;
/* not for consumer use... */
DwarfBuf b;
ulong unit;
uint uoff;
ulong aoff;
int depth;
int allunits;
ulong nextunit;
};
Dwarf *dwarfopen(Elf *elf);
void dwarfclose(Dwarf*);
int dwarfaddrtounit(Dwarf*, ulong, ulong*);
int dwarflookupfn(Dwarf*, ulong, ulong, DwarfSym*);
int dwarflookupname(Dwarf*, char*, DwarfSym*);
int dwarflookupnameinunit(Dwarf*, ulong, char*, DwarfSym*);
int dwarflookupsubname(Dwarf*, DwarfSym*, char*, DwarfSym*);
int dwarflookuptag(Dwarf*, ulong, ulong, DwarfSym*);
int dwarfenumunit(Dwarf*, ulong, DwarfSym*);
int dwarfseeksym(Dwarf*, ulong, ulong, DwarfSym*);
int dwarfenum(Dwarf*, DwarfSym*);
int dwarfnextsym(Dwarf*, DwarfSym*);
int dwarfnextsymat(Dwarf*, DwarfSym*, int);
int dwarfpctoline(Dwarf*, ulong, char**, char**, char**, ulong*, ulong*, ulong*);
int dwarfunwind(Dwarf*, ulong, DwarfExpr*, DwarfExpr*, DwarfExpr*, int);
ulong dwarfget1(DwarfBuf*);
ulong dwarfget2(DwarfBuf*);
ulong dwarfget4(DwarfBuf*);
uvlong dwarfget8(DwarfBuf*);
ulong dwarfget128(DwarfBuf*);
long dwarfget128s(DwarfBuf*);
ulong dwarfgetaddr(DwarfBuf*);
int dwarfgetn(DwarfBuf*, uchar*, int);
uchar *dwarfgetnref(DwarfBuf*, ulong);
char *dwarfgetstring(DwarfBuf*);
typedef struct DwarfAbbrev DwarfAbbrev;
typedef struct DwarfAttr DwarfAttr;
struct DwarfAttr
{
ulong name;
ulong form;
};
struct DwarfAbbrev
{
ulong num;
ulong tag;
uchar haskids;
DwarfAttr *attr;
int nattr;
};
struct Dwarf
{
Elf *elf;
int fd;
char **reg;
int nreg;
int addrsize;
DwarfBlock abbrev;
DwarfBlock aranges;
DwarfBlock frame;
DwarfBlock info;
DwarfBlock line;
DwarfBlock pubnames;
DwarfBlock pubtypes;
DwarfBlock ranges;
DwarfBlock str;
/* little cache */
struct {
DwarfAbbrev *a;
int na;
ulong off;
} acache;
};
DwarfAbbrev *dwarfgetabbrev(Dwarf*, ulong, ulong);
int dwarfgetinfounit(Dwarf*, ulong, DwarfBlock*);
extern int dwarf386nregs;
extern char *dwarf386regs[];
extern char *dwarf386fp;
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