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- /* ins_def.c: Common definitions for insertions
- Copyright (C) 2003 Sebastian Reichelt
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
- #include "ins_def.h"
- #include "../manip.h"
- #include <stdlib.h>
- // Create a new program-relative reloc at a specific data location,
- // pointing to a specific location in the target section. Increase
- // NewData to point behind the reloc.
- RELOC *CreateProgramRelativeReloc (SECTION *Section, I1 **NewData, SECTION *TargetSection, OFFSET TargetLocation, SIZE Size)
- {
- RELOC *Reloc = calloc (1, sizeof (RELOC));
- if (Reloc)
- {
- Reloc->Parent = Section;
- Reloc->Location = *NewData - Section->Data;
- *NewData += ((Reloc->Size = Size));
- Reloc->Target.Symbol = TargetSection->SectionSymbol;
- Reloc->Target.SymbolName = TargetSection->SectionSymbol->Name;
- Reloc->Target.Offset = TargetLocation;
- SetRelocProgramRelative (Reloc);
- InsertReloc (Section, Reloc);
- }
- else
- Error (NULL, "Out of memory.");
-
- return Reloc;
- }
- // Allocate and initialize a LIB_CALL_USER_DATA structure.
- BOOLEAN InitializeLibCallUserData (LIB_CALL_USER_DATA *UserData, PROGRAM *Program)
- {
- // Allocate space for dynamic user data.
- if (!(UserData->Libs = calloc ((UserData->LibCount = Program->Libraries.ReferencedCount), sizeof (LIB_DATA))))
- {
- Error (NULL, "Out of memory while inserting libraries.");
- return FALSE;
- }
-
- {
- LIBRARY *CurLibrary;
- LIB_DATA *CurLib = UserData->Libs;
-
- // Query info about the libraries.
- for_each (CurLibrary, Program->Libraries)
- {
- if (CurLibrary->Referenced)
- {
- // Set the library pointer.
- CurLib->Lib = CurLibrary;
- // Allocate space for the imports.
- if (!(CurLib->Functions = calloc (CurLibrary->Highest + 1, sizeof (LIB_FUNCTION_DATA))))
- {
- Error (NULL, "Out of memory while inserting libraries.");
- return FALSE;
- }
- CurLib++;
- }
- }
- }
-
- return TRUE;
- }
- // Finalize and deallocate a LIB_CALL_USER_DATA structure.
- void FinalizeLibCallUserData (LIB_CALL_USER_DATA *UserData)
- {
- LIB_DATA *CurLibPtr = UserData->Libs;
- OFFSET CurLib;
-
- for (CurLib = 0; CurLib < UserData->LibCount; CurLib++, CurLibPtr++)
- {
- LIB_FUNCTION_DATA *Functions = CurLibPtr->Functions;
- if (Functions)
- free (Functions);
- }
-
- free (UserData->Libs);
- }
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