Export* ReadExport (FILE* F, ObjData* O)
/* Read an export from a file */
{
unsigned ConDesCount;
Export* E;
/* Read the type */
unsigned char Type = Read8 (F);
/* Read the address size */
unsigned char AddrSize = Read8 (F);
/* Create a new export without a name */
E = NewExport (Type, AddrSize, INVALID_STRING_ID, O);
/* Read the constructor/destructor decls if we have any */
ConDesCount = GET_EXP_CONDES_COUNT (Type);
if (ConDesCount > 0) {
unsigned char ConDes[CD_TYPE_COUNT];
unsigned I;
/* Read the data into temp storage */
ReadData (F, ConDes, ConDesCount);
/* Re-order the data. In the file, each decl is encoded into a byte
* which contains the type and the priority. In memory, we will use
* an array of types which contain the priority. This array was
* cleared by the constructor (NewExport), so we must only set the
* fields that contain values.
*/
for (I = 0; I < ConDesCount; ++I) {
unsigned ConDesType = CD_GET_TYPE (ConDes[I]);
unsigned ConDesPrio = CD_GET_PRIO (ConDes[I]);
E->ConDes[ConDesType] = ConDesPrio;
}
}
/* Read the name */
E->Name = MakeGlobalStringId (O, ReadVar (F));
/* Read the value */
if (IS_EXP_EXPR (Type)) {
E->Expr = ReadExpr (F, O);
} else {
E->Expr = LiteralExpr (Read32 (F), O);
}
/* Last is the file position where the definition was done */
ReadFilePos (F, &E->Pos);
/* Return the new export */
return E;
}
Import* ReadImport (FILE* F, ObjData* Obj)
/* Read an import from a file and return it */
{
Import* I;
/* Read the import address size */
unsigned char AddrSize = Read8 (F);
/* Create a new import */
I = NewImport (AddrSize, Obj);
/* Read the name */
I->Name = MakeGlobalStringId (Obj, ReadVar (F));
/* Read the file position */
ReadFilePos (F, &I->Pos);
/* Check the address size */
if (I->AddrSize == ADDR_SIZE_DEFAULT || I->AddrSize > ADDR_SIZE_LONG) {
/* Beware: This function may be called in cases where the object file
* is not read completely into memory. In this case, the file list is
* invalid. Be sure not to access it in this case.
*/
if (ObjHasFiles (I->Obj)) {
Error ("Invalid import size in for `%s', imported from %s(%lu): 0x%02X",
GetString (I->Name),
GetSourceFileName (I->Obj, I->Pos.Name),
I->Pos.Line,
I->AddrSize);
} else {
Error ("Invalid import size in for `%s', imported from %s: 0x%02X",
GetString (I->Name),
GetObjFileName (I->Obj),
I->AddrSize);
}
}
/* Return the new import */
return I;
}
void DumpObjLineInfo (FILE* F, unsigned long Offset)
/* Dump the line info from an object file */
{
ObjHeader H;
Collection StrPool = AUTO_COLLECTION_INITIALIZER;
unsigned Count;
unsigned I;
/* Seek to the header position and read the header */
FileSetPos (F, Offset);
ReadObjHeader (F, &H);
/* Seek to the start of the string pool and read it */
FileSetPos (F, Offset + H.StrPoolOffs);
ReadStrPool (F, &StrPool);
/* Seek to the start of line infos */
FileSetPos (F, Offset + H.LineInfoOffs);
/* Output a header */
printf (" Line info:\n");
/* Check if the object file was compiled with debug info */
if ((H.Flags & OBJ_FLAGS_DBGINFO) == 0) {
/* Print that there no line infos and bail out */
printf (" Count:%27u\n", 0);
return;
}
/* Read the number of line infos and print it */
Count = ReadVar (F);
printf (" Count:%27u\n", Count);
/* Read and print all line infos */
for (I = 0; I < Count; ++I) {
FilePos Pos;
unsigned Type;
/* File position of line info */
ReadFilePos (F, &Pos);
/* Type of line info */
Type = ReadVar (F);
/* Skip the spans */
SkipSpanList (F);
/* Print the header */
printf (" Index:%27u\n", I);
/* Print the data */
printf (" Type:%26u\n", LI_GET_TYPE (Type));
printf (" Count:%25u\n", LI_GET_COUNT (Type));
printf (" Line:%26u\n", Pos.Line);
printf (" Col:%27u\n", Pos.Col);
printf (" Name:%26u\n", Pos.Name);
}
/* Destroy the string pool */
DestroyStrPool (&StrPool);
}
