Merge from gsoc2010-plugins

This merge was extremely difficult to carry out. It wasn't entirely SVN's fault -- there were several merges to the branch that were done by hand. Please check for any issues and regressions. Also note that the DS makefile was not copied over since the "one at a time" plugin mode currently has too much fragmentation ie. it doesn't work.

svn-id: r54051

1 files changed, 0 insertions, 732 deletions

diff --git a/backends/platform/psp/psploader.cpp b/backends/platform/psp/psploader.cpp
deleted file mode 100644
index 464e20770c..0000000000
--- a/backends/platform/psp/psploader.cpp
+++ /dev/null
@@ -1,732 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * 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
- * of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-#if defined(DYNAMIC_MODULES) && defined(__PSP__)
-
-#include <string.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <malloc.h>
-#include <unistd.h>
-#include <sys/_default_fcntl.h>
-
-#include <psputils.h>
-
-#include "backends/platform/psp/psploader.h"
-#include "backends/platform/psp/powerman.h"
-
-//#define __PSP_DEBUG_FUNCS__	/* For debugging the stack */
-//#define __PSP_DEBUG_PRINT__
-
-#include "backends/platform/psp/trace.h"
-
-extern char __plugin_hole_start;	// Indicates start of hole in program file for shorts
-extern char __plugin_hole_end;		// Indicates end of hole in program file
-extern char _gp[];					// Value of gp register
-
-DECLARE_SINGLETON(ShortSegmentManager)	// For singleton
-
-// Get rid of symbol table in memory
-void DLObject::discard_symtab() {
-	DEBUG_ENTER_FUNC();
-	free(_symtab);
-	free(_strtab);
-	_symtab = NULL;
-	_strtab = NULL;
-	_symbol_cnt = 0;
-}
-
-// Unload all objects from memory
-void DLObject::unload() {
-	DEBUG_ENTER_FUNC();
-	discard_symtab();
-	free(_segment);
-	_segment = NULL;
-
-	if (_shortsSegment) {
-		ShortsMan.deleteSegment(_shortsSegment);
-		_shortsSegment = NULL;
-	}
-}
-
-/**
- * Follow the instruction of a relocation section.
- *
- * @param fd 		 File Descriptor
- * @param offset 	 Offset into the File
- * @param size   	 Size of relocation section
- * @param relSegment Base address of relocated segment in memory (memory offset)
- *
- */
-bool DLObject::relocate(int fd, unsigned long offset, unsigned long size, void *relSegment) {
-	DEBUG_ENTER_FUNC();
-	Elf32_Rel *rel = NULL;	// relocation entry
-
-	// Allocate memory for relocation table
-	if (!(rel = (Elf32_Rel *)malloc(size))) {
-		PSP_ERROR("Out of memory.");
-		return false;
-	}
-
-	// Read in our relocation table
-	if (lseek(fd, offset, SEEK_SET) < 0 ||
-	        read(fd, rel, size) != (ssize_t)size) {
-		PSP_ERROR("Relocation table load failed.");
-		free(rel);
-		return false;
-	}
-
-	// Treat each relocation entry. Loop over all of them
-	int cnt = size / sizeof(*rel);
-
-	PSP_DEBUG_PRINT("Loaded relocation table. %d entries. base address=%p\n", cnt, relSegment);
-
-	bool seenHi16 = false;	// For treating HI/LO16 commands
-	int firstHi16 = -1;		// Mark the point of the first hi16 seen
-	Elf32_Addr ahl = 0;		// Calculated addend
-	int a = 0;				// Addend: taken from the target
-
-	unsigned int *lastTarget = 0;	// For processing hi16 when lo16 arrives
-	unsigned int relocation = 0;
-	int debugRelocs[10] = {0};		// For debugging
-	int extendedHi16 = 0;			// Count extended hi16 treatments
-	Elf32_Addr lastHiSymVal = 0;
-	bool hi16InShorts = false;
-
-#define DEBUG_NUM 2
-
-	// Loop over relocation entries
-	for (int i = 0; i < cnt; i++) {
-		// Get the symbol this relocation entry is referring to
-		Elf32_Sym *sym = (Elf32_Sym *)(_symtab) + (REL_INDEX(rel[i].r_info));
-
-		// Get the target instruction in the code
-		unsigned int *target = (unsigned int *)((char *)relSegment + rel[i].r_offset);
-
-		PSP_DEBUG_DO(unsigned int origTarget = *target);	// Save for debugging
-
-		// Act differently based on the type of relocation
-		switch (REL_TYPE(rel[i].r_info)) {
-
-		case R_MIPS_HI16:						// Absolute addressing.
-			if (sym->st_shndx < SHN_LOPROC &&		// Only shift for plugin section (ie. has a real section index)
-			        firstHi16 < 0) {				// Only process first in block of HI16s
-				firstHi16 = i;						// Keep the first Hi16 we saw
-				seenHi16 = true;
-				ahl = (*target & 0xffff) << 16;		// Take lower 16 bits shifted up
-
-				lastHiSymVal = sym->st_value;
-				hi16InShorts = (ShortsMan.inGeneralSegment((char *)sym->st_value)); // Fix for problem with switching btw segments
-				if (debugRelocs[0]++ < DEBUG_NUM)	// Print only a set number
-					PSP_DEBUG_PRINT("R_MIPS_HI16: i=%d, offset=%x, ahl = %x, target = %x\n",
-					    i, rel[i].r_offset, ahl, *target);
-			}
-			break;
-
-		case R_MIPS_LO16:						// Absolute addressing. Needs a HI16 to come before it
-			if (sym->st_shndx < SHN_LOPROC) {		// Only shift for plugin section. (ie. has a real section index)
-				if (!seenHi16) {					// We MUST have seen HI16 first
-					PSP_ERROR("R_MIPS_LO16 w/o preceding R_MIPS_HI16 at relocation %d!\n", i);
-					free(rel);
-					return false;
-				}
-
-				// Fix: bug in gcc makes LO16s connect to wrong HI16s sometimes (shorts and regular segment)
-				// Note that we can check the entire shorts segment because the executable's shorts don't belong to this plugin section
-				//	and will be screened out above
-				bool lo16InShorts = ShortsMan.inGeneralSegment((char *)sym->st_value);
-
-				// Correct the bug by getting the proper value in ahl (taken from the current symbol)
-				if ((hi16InShorts && !lo16InShorts) || (!hi16InShorts && lo16InShorts)) {
-					ahl -= (lastHiSymVal & 0xffff0000);		// We assume gcc meant the same offset
-					ahl += (sym->st_value & 0xffff0000);
-				}
-
-				ahl &= 0xffff0000;				// Clean lower 16 bits for repeated LO16s
-				a = *target & 0xffff;			// Take lower 16 bits of the target
-				a = (a << 16) >> 16;			// Sign extend them
-				ahl += a;						// Add lower 16 bits. AHL is now complete
-
-				// Fix: we can have LO16 access to the short segment sometimes
-				if (lo16InShorts) {
-					relocation = ahl + _shortsSegment->getOffset();		// Add in the short segment offset
-				} else	// It's in the regular segment
-					relocation = ahl + (Elf32_Addr)_segment;			// Add in the new offset for the segment
-
-				if (firstHi16 >= 0) {					// We haven't treated the HI16s yet so do it now
-					for (int j = firstHi16; j < i; j++) {
-						if (REL_TYPE(rel[j].r_info) != R_MIPS_HI16) continue;	// Skip over non-Hi16s
-
-						lastTarget = (unsigned int *)((char *)relSegment + rel[j].r_offset);	// get hi16 target
-						*lastTarget &= 0xffff0000;		// Clear the lower 16 bits of the last target
-						*lastTarget |= (relocation >> 16) & 0xffff;	// Take the upper 16 bits of the relocation
-						if (relocation & 0x8000)(*lastTarget)++;	// Subtle: we need to add 1 to the HI16 in this case
-					}
-					firstHi16 = -1;						// Reset so we'll know we treated it
-				} else {
-					extendedHi16++;
-				}
-
-				*target &= 0xffff0000;						// Clear the lower 16 bits of current target
-				*target |= relocation & 0xffff;				// Take the lower 16 bits of the relocation
-
-				if (debugRelocs[1]++ < DEBUG_NUM)
-					PSP_DEBUG_PRINT("R_MIPS_LO16: i=%d, offset=%x, a=%x, ahl = %x, lastTarget = %x, origt = %x, target = %x\n",
-					    i, rel[i].r_offset, a, ahl, *lastTarget, origTarget, *target);
-				if (lo16InShorts && debugRelocs[2]++ < DEBUG_NUM)
-					PSP_DEBUG_PRINT("R_MIPS_LO16s: i=%d, offset=%x, a=%x, ahl = %x, lastTarget = %x, origt = %x, target = %x\n",
-					    i, rel[i].r_offset, a, ahl, *lastTarget, origTarget, *target);
-			}
-			break;
-
-		case R_MIPS_26:									// Absolute addressing (for jumps and branches only)
-			if (sym->st_shndx < SHN_LOPROC) {			// Only relocate for main segment
-				a = *target & 0x03ffffff;				// Get 26 bits' worth of the addend
-				a = (a << 6) >> 6; 							// Sign extend a
-				relocation = ((a << 2) + (Elf32_Addr)_segment) >> 2;	// a already points to the target. Subtract our offset
-				*target &= 0xfc000000;					// Clean lower 26 target bits
-				*target |= (relocation & 0x03ffffff);
-
-				if (debugRelocs[3]++ < DEBUG_NUM)
-					PSP_DEBUG_PRINT("R_MIPS_26: i=%d, offset=%x, symbol=%d, stinfo=%x, a=%x, origTarget=%x, target=%x\n",
-					    i, rel[i].r_offset, REL_INDEX(rel[i].r_info), sym->st_info, a, origTarget, *target);
-			} else {
-				if (debugRelocs[4]++ < DEBUG_NUM)
-					PSP_DEBUG_PRINT("R_MIPS_26: i=%d, offset=%x, symbol=%d, stinfo=%x, a=%x, origTarget=%x, target=%x\n",
-					    i, rel[i].r_offset, REL_INDEX(rel[i].r_info), sym->st_info, a, origTarget, *target);
-			}
-			break;
-
-		case R_MIPS_GPREL16:							// GP Relative addressing
-			if (_shortsSegment->getOffset() != 0 && 	// Only relocate if we shift the shorts section
-			        ShortsMan.inGeneralSegment((char *)sym->st_value)) {	// Only relocate things in the plugin hole
-				a = *target & 0xffff;				    // Get 16 bits' worth of the addend
-				a = (a << 16) >> 16;						// Sign extend it
-
-				relocation = a + _shortsSegment->getOffset();
-
-				*target &= 0xffff0000;					// Clear the lower 16 bits of the target
-				*target |= relocation & 0xffff;
-
-				if (debugRelocs[5]++ < DEBUG_NUM)
-					PSP_DEBUG_PRINT("R_MIPS_GPREL16: i=%d, a=%x, gpVal=%x, origTarget=%x, target=%x, offset=%x\n",
-					    i, a, _gpVal, origTarget, *target, _shortsSegment->getOffset());
-			}
-
-			break;
-
-		case R_MIPS_32:									// Absolute addressing
-			if (sym->st_shndx < SHN_LOPROC) {			// Only shift for plugin section.
-				a = *target;							// Get full 32 bits of addend
-
-				if (ShortsMan.inGeneralSegment((char *)sym->st_value)) // Check if we're in the shorts segment
-					relocation = a + _shortsSegment->getOffset();	   // Shift by shorts offset
-				else												   // We're in the main section
-					relocation = a + (Elf32_Addr)_segment;			   // Shift by main offset
-				*target = relocation;
-
-				if (debugRelocs[6]++ < DEBUG_NUM)
-					PSP_DEBUG_PRINT("R_MIPS_32: i=%d, a=%x, origTarget=%x, target=%x\n", i, a, origTarget, *target);
-			}
-			break;
-
-		default:
-			PSP_ERROR("Unknown relocation type %x at relocation %d.\n", REL_TYPE(rel[i].r_info), i);
-			free(rel);
-			return false;
-		}
-	}
-
-	PSP_DEBUG_PRINT("Done with relocation. extendedHi16=%d\n\n", extendedHi16);
-
-	free(rel);
-	return true;
-}
-
-bool DLObject::readElfHeader(int fd, Elf32_Ehdr *ehdr) {
-	DEBUG_ENTER_FUNC();
-	// Start reading the elf header. Check for errors
-	if (read(fd, ehdr, sizeof(*ehdr)) != sizeof(*ehdr) ||
-	        memcmp(ehdr->e_ident, ELFMAG, SELFMAG) ||					// Check MAGIC
-	        ehdr->e_type != ET_EXEC ||									// Check for executable
-	        ehdr->e_machine != EM_MIPS ||								// Check for MIPS machine type
-	        ehdr->e_phentsize < sizeof(Elf32_Phdr)	 ||					// Check for size of program header
-	        ehdr->e_shentsize != sizeof(Elf32_Shdr)) {					// Check for size of section header
-		PSP_ERROR("Invalid file type.");
-		return false;
-	}
-
-	PSP_DEBUG_PRINT("phoff = %d, phentsz = %d, phnum = %d\n",
-	    ehdr->e_phoff, ehdr->e_phentsize, ehdr->e_phnum);
-
-	return true;
-}
-
-bool DLObject::readProgramHeaders(int fd, Elf32_Ehdr *ehdr, Elf32_Phdr *phdr, int num) {
-	DEBUG_ENTER_FUNC();
-	// Read program header
-	if (lseek(fd, ehdr->e_phoff + sizeof(*phdr)*num, SEEK_SET) < 0 ||
-	        read(fd, phdr, sizeof(*phdr)) != sizeof(*phdr)) {
-		PSP_ERROR("Program header load failed.");
-		return false;
-	}
-
-	// Check program header values
-	if (phdr->p_type != PT_LOAD  || phdr->p_filesz > phdr->p_memsz) {
-		PSP_ERROR("Invalid program header.");
-		return false;
-	}
-
-	PSP_DEBUG_PRINT("offs = %x, filesz = %x, memsz = %x, align = %x\n",
-	    phdr->p_offset, phdr->p_filesz, phdr->p_memsz, phdr->p_align);
-
-	return true;
-
-}
-
-bool DLObject::loadSegment(int fd, Elf32_Phdr *phdr) {
-	DEBUG_ENTER_FUNC();
-
-	char *baseAddress = 0;
-
-	// We need to take account of non-allocated segment for shorts
-	if (phdr->p_flags & PF_X) {	// This is a relocated segment
-
-		// Attempt to allocate memory for segment
-		int extra = phdr->p_vaddr % phdr->p_align;	// Get extra length TODO: check logic here
-		PSP_DEBUG_PRINT("extra mem is %x\n", extra);
-
-		if (phdr->p_align < 0x10000) phdr->p_align = 0x10000;	// Fix for wrong alignment on e.g. AGI
-
-		if (!(_segment = (char *)memalign(phdr->p_align, phdr->p_memsz + extra))) {
-			PSP_ERROR("Out of memory.\n");
-			return false;
-		}
-		PSP_DEBUG_PRINT("allocated segment @ %p\n", _segment);
-
-		// Get offset to load segment into
-		baseAddress = (char *)_segment + phdr->p_vaddr;
-		_segmentSize = phdr->p_memsz + extra;
-	} else {						// This is a shorts section.
-		_shortsSegment = ShortsMan.newSegment(phdr->p_memsz, (char *)phdr->p_vaddr);
-
-		baseAddress = _shortsSegment->getStart();
-		PSP_DEBUG_PRINT("shorts segment @ %p to %p. Segment wants to be at %x. Offset=%x\n",
-		    _shortsSegment->getStart(), _shortsSegment->getEnd(), phdr->p_vaddr, _shortsSegment->getOffset());
-
-	}
-
-	// Set bss segment to 0 if necessary (assumes bss is at the end)
-	if (phdr->p_memsz > phdr->p_filesz) {
-		PSP_DEBUG_PRINT("Setting %p to %p to 0 for bss\n", baseAddress + phdr->p_filesz, baseAddress + phdr->p_memsz);
-		memset(baseAddress + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz);
-	}
-	// Read the segment into memory
-	if (lseek(fd, phdr->p_offset, SEEK_SET) < 0 ||
-	        read(fd, baseAddress, phdr->p_filesz) != (ssize_t)phdr->p_filesz) {
-		PSP_ERROR("Segment load failed.");
-		return false;
-	}
-
-	return true;
-}
-
-
-Elf32_Shdr * DLObject::loadSectionHeaders(int fd, Elf32_Ehdr *ehdr) {
-	DEBUG_ENTER_FUNC();
-
-	Elf32_Shdr *shdr = NULL;
-
-	// Allocate memory for section headers
-	if (!(shdr = (Elf32_Shdr *)malloc(ehdr->e_shnum * sizeof(*shdr)))) {
-		PSP_ERROR("Out of memory.");
-		return NULL;
-	}
-
-	// Read from file into section headers
-	if (lseek(fd, ehdr->e_shoff, SEEK_SET) < 0 ||
-	        read(fd, shdr, ehdr->e_shnum * sizeof(*shdr)) !=
-	        (ssize_t)(ehdr->e_shnum * sizeof(*shdr))) {
-		PSP_ERROR("Section headers load failed.");
-		return NULL;
-	}
-
-	return shdr;
-}
-
-int DLObject::loadSymbolTable(int fd, Elf32_Ehdr *ehdr, Elf32_Shdr *shdr) {
-	DEBUG_ENTER_FUNC();
-
-	// Loop over sections, looking for symbol table linked to a string table
-	for (int i = 0; i < ehdr->e_shnum; i++) {
-		PSP_DEBUG_PRINT("Section %d: type = %x, size = %x, entsize = %x, link = %x\n",
-						i, shdr[i].sh_type, shdr[i].sh_size, shdr[i].sh_entsize, shdr[i].sh_link);
-
-		if (shdr[i].sh_type == SHT_SYMTAB &&
-		        shdr[i].sh_entsize == sizeof(Elf32_Sym) &&
-		        shdr[i].sh_link < ehdr->e_shnum &&
-		        shdr[shdr[i].sh_link].sh_type == SHT_STRTAB &&
-		        _symtab_sect < 0) {
-			_symtab_sect = i;
-		}
-	}
-
-	// Check for no symbol table
-	if (_symtab_sect < 0) {
-		PSP_ERROR("No symbol table.");
-		return -1;
-	}
-
-	PSP_DEBUG_PRINT("Symbol section at section %d, size %x\n", _symtab_sect, shdr[_symtab_sect].sh_size);
-
-	// Allocate memory for symbol table
-	if (!(_symtab = malloc(shdr[_symtab_sect].sh_size))) {
-		PSP_ERROR("Out of memory.");
-		return -1;
-	}
-
-	// Read symbol table into memory
-	if (lseek(fd, shdr[_symtab_sect].sh_offset, SEEK_SET) < 0 ||
-	        read(fd, _symtab, shdr[_symtab_sect].sh_size) !=
-	        (ssize_t)shdr[_symtab_sect].sh_size) {
-		PSP_ERROR("Symbol table load failed.");
-		return -1;
-	}
-
-	// Set number of symbols
-	_symbol_cnt = shdr[_symtab_sect].sh_size / sizeof(Elf32_Sym);
-	PSP_DEBUG_PRINT("Loaded %d symbols.\n", _symbol_cnt);
-
-	return _symtab_sect;
-
-}
-
-bool DLObject::loadStringTable(int fd, Elf32_Shdr *shdr) {
-	DEBUG_ENTER_FUNC();
-
-	int string_sect = shdr[_symtab_sect].sh_link;
-
-	// Allocate memory for string table
-	if (!(_strtab = (char *)malloc(shdr[string_sect].sh_size))) {
-		PSP_ERROR("Out of memory.");
-		return false;
-	}
-
-	// Read string table into memory
-	if (lseek(fd, shdr[string_sect].sh_offset, SEEK_SET) < 0 ||
-	        read(fd, _strtab, shdr[string_sect].sh_size) !=
-	        (ssize_t)shdr[string_sect].sh_size) {
-		PSP_ERROR("Symbol table strings load failed.");
-		return false;
-	}
-	return true;
-}
-
-void DLObject::relocateSymbols(Elf32_Addr offset, Elf32_Addr shortsOffset) {
-	DEBUG_ENTER_FUNC();
-
-	int shortsCount = 0, othersCount = 0;
-	PSP_DEBUG_PRINT("Relocating symbols by %x. Shorts offset=%x\n", offset, shortsOffset);
-
-	// Loop over symbols, add relocation offset
-	Elf32_Sym *s = (Elf32_Sym *)_symtab;
-	for (int c = _symbol_cnt; c--; s++) {
-		// Make sure we don't relocate special valued symbols
-		if (s->st_shndx < SHN_LOPROC) {
-			if (!ShortsMan.inGeneralSegment((char *)s->st_value)) {
-				othersCount++;
-				s->st_value += offset;
-				if (s->st_value < (Elf32_Addr)_segment || s->st_value > (Elf32_Addr)_segment + _segmentSize)
-					PSP_ERROR("Symbol out of bounds! st_value = %x\n", s->st_value);
-			} else {	// shorts section
-				shortsCount++;
-				s->st_value += shortsOffset;
-				if (!_shortsSegment->inSegment((char *)s->st_value))
-					PSP_ERROR("Symbol out of bounds! st_value = %x\n", s->st_value);
-			}
-
-		}
-
-	}
-
-	PSP_DEBUG_PRINT("Relocated %d short symbols, %d others.\n", shortsCount, othersCount);
-}
-
-bool DLObject::relocateRels(int fd, Elf32_Ehdr *ehdr, Elf32_Shdr *shdr) {
-	DEBUG_ENTER_FUNC();
-
-	// Loop over sections, finding relocation sections
-	for (int i = 0; i < ehdr->e_shnum; i++) {
-
-		Elf32_Shdr *curShdr = &(shdr[i]);
-		//Elf32_Shdr *linkShdr = &(shdr[curShdr->sh_info]);
-
-		if (curShdr->sh_type == SHT_REL && 						// Check for a relocation section
-		        curShdr->sh_entsize == sizeof(Elf32_Rel) &&		    // Check for proper relocation size
-		        (int)curShdr->sh_link == _symtab_sect &&			// Check that the sh_link connects to our symbol table
-		        curShdr->sh_info < ehdr->e_shnum &&					// Check that the relocated section exists
-		        (shdr[curShdr->sh_info].sh_flags & SHF_ALLOC)) {  	// Check if relocated section resides in memory
-			if (!ShortsMan.inGeneralSegment((char *)shdr[curShdr->sh_info].sh_addr)) {			// regular segment
-				if (!relocate(fd, curShdr->sh_offset, curShdr->sh_size, _segment)) {
-					return false;
-				}
-			} else { 	// In Shorts segment
-				if (!relocate(fd, curShdr->sh_offset, curShdr->sh_size, (void *)_shortsSegment->getOffset())) {
-					return false;
-				}
-			}
-
-		}
-	}
-
-	return true;
-}
-
-
-bool DLObject::load(int fd) {
-	DEBUG_ENTER_FUNC();
-
-	Elf32_Ehdr ehdr;	// ELF header
-	Elf32_Phdr phdr;	// Program header
-	Elf32_Shdr *shdr;	// Section header
-	bool ret = true;
-
-	if (readElfHeader(fd, &ehdr) == false) {
-		return false;
-	}
-
-	for (int i = 0; i < ehdr.e_phnum; i++) {	//	Load our 2 segments
-		PSP_DEBUG_PRINT("Loading segment %d\n", i);
-
-		if (readProgramHeaders(fd, &ehdr, &phdr, i) == false)
-			return false;
-
-		if (!loadSegment(fd, &phdr))
-			return false;
-	}
-
-	if ((shdr = loadSectionHeaders(fd, &ehdr)) == NULL)
-		ret = false;
-
-	if (ret && ((_symtab_sect = loadSymbolTable(fd, &ehdr, shdr)) < 0))
-		ret = false;
-
-	if (ret && (loadStringTable(fd, shdr) == false))
-		ret = false;
-
-	if (ret)
-		relocateSymbols((Elf32_Addr)_segment, _shortsSegment->getOffset());	// Offset by our segment allocated address
-
-	if (ret && (relocateRels(fd, &ehdr, shdr) == false))
-		ret = false;
-
-	free(shdr);
-
-	return ret;
-}
-
-bool DLObject::open(const char *path) {
-	DEBUG_ENTER_FUNC();
-	int fd;
-	void *ctors_start, *ctors_end;
-
-	PSP_DEBUG_PRINT("open(\"%s\")\n", path);
-
-	// Get the address of the global pointer
-	_gpVal = (unsigned int) & _gp;
-	PSP_DEBUG_PRINT("_gpVal is %x\n", _gpVal);
-
-	PowerMan.beginCriticalSection();
-
-	if ((fd = ::open(path, O_RDONLY)) < 0) {
-		PSP_ERROR("%s not found.", path);
-		return false;
-	}
-
-	// Try to load and relocate
-	if (!load(fd)) {
-		::close(fd);
-		unload();
-		return false;
-	}
-
-	::close(fd);
-
-	PowerMan.endCriticalSection();
-
-	// flush data cache
-	sceKernelDcacheWritebackAll();
-
-	// Get the symbols for the global constructors and destructors
-	ctors_start = symbol("___plugin_ctors");
-	ctors_end = symbol("___plugin_ctors_end");
-	_dtors_start = symbol("___plugin_dtors");
-	_dtors_end = symbol("___plugin_dtors_end");
-
-	if (ctors_start == NULL || ctors_end == NULL || _dtors_start == NULL ||
-	        _dtors_end == NULL) {
-		PSP_ERROR("Missing ctors/dtors.");
-		_dtors_start = _dtors_end = NULL;
-		unload();
-		return false;
-	}
-
-	PSP_DEBUG_PRINT("Calling constructors.\n");
-	for (void (**f)(void) = (void (**)(void))ctors_start; f != ctors_end; f++)
-		(**f)();
-
-	PSP_DEBUG_PRINT("%s opened ok.\n", path);
-	return true;
-}
-
-bool DLObject::close() {
-	DEBUG_ENTER_FUNC();
-	if (_dtors_start != NULL && _dtors_end != NULL)
-		for (void (**f)(void) = (void (**)(void))_dtors_start; f != _dtors_end; f++)
-			(**f)();
-	_dtors_start = _dtors_end = NULL;
-	unload();
-	return true;
-}
-
-void *DLObject::symbol(const char *name) {
-	DEBUG_ENTER_FUNC();
-	PSP_DEBUG_PRINT("symbol(\"%s\")\n", name);
-
-	if (_symtab == NULL || _strtab == NULL || _symbol_cnt < 1) {
-		PSP_ERROR("No symbol table loaded.");
-		return NULL;
-	}
-
-	Elf32_Sym *s = (Elf32_Sym *)_symtab;
-	for (int c = _symbol_cnt; c--; s++) {
-
-		// We can only import symbols that are global or weak in the plugin
-		if ((SYM_BIND(s->st_info) == STB_GLOBAL || SYM_BIND(s->st_info) == STB_WEAK) &&
-		        /*_strtab[s->st_name] == '_' && */ // Try to make this more efficient
-		        !strcmp(name, _strtab + s->st_name)) {
-
-			// We found the symbol
-			PSP_DEBUG_PRINT("=> %p\n", (void*)s->st_value);
-			return (void*)s->st_value;
-		}
-	}
-
-	PSP_ERROR("Symbol \"%s\" not found.", name);
-	return NULL;
-}
-
-
-
-ShortSegmentManager::ShortSegmentManager() {
-	DEBUG_ENTER_FUNC();
-	_shortsStart = &__plugin_hole_start ;
-	_shortsEnd = &__plugin_hole_end;
-}
-
-ShortSegmentManager::Segment *ShortSegmentManager::newSegment(int size, char *origAddr) {
-	DEBUG_ENTER_FUNC();
-	char *lastAddress = origAddr;
-	Common::List<Segment *>::iterator i;
-
-	// Find a block that fits, starting from the beginning
-	for (i = _list.begin(); i != _list.end(); ++i) {
-		char *currAddress = (*i)->getStart();
-
-		if ((int)(currAddress - lastAddress) >= size) break;
-
-		lastAddress = (*i)->getEnd();
-	}
-
-	if ((Elf32_Addr)lastAddress & 3)
-		lastAddress += 4 - ((Elf32_Addr)lastAddress & 3);	// Round up to multiple of 4
-
-	if (lastAddress + size > _shortsEnd) {
-		PSP_ERROR("No space in shorts segment for %x bytes. Last address is %p, max address is %p.\n",
-		         size, lastAddress, _shortsEnd);
-		return NULL;
-	}
-
-	Segment *seg = new Segment(lastAddress, size, origAddr);	// Create a new segment
-
-	if (lastAddress + size > _highestAddress) _highestAddress = lastAddress + size;	// Keep track of maximum
-
-	_list.insert(i, seg);
-
-	PSP_DEBUG_PRINT("Shorts segment size %x allocated. End = %p. Remaining space = %x. Highest so far is %p.\n",
-	    size, lastAddress + size, _shortsEnd - _list.back()->getEnd(), _highestAddress);
-
-	return seg;
-}
-
-void ShortSegmentManager::deleteSegment(ShortSegmentManager::Segment *seg) {
-	DEBUG_ENTER_FUNC();
-	PSP_DEBUG_PRINT("Deleting shorts segment from %p to %p.\n\n", seg->getStart(), seg->getEnd());
-	_list.remove(seg);
-	delete seg;
-}
-
-static char dlerr[MAXDLERRLEN];
-
-void *dlopen(const char *filename, int flags) {
-	DLObject *obj = new DLObject(dlerr);
-	if (obj->open(filename))
-		return (void *)obj;
-	delete obj;
-	return NULL;
-}
-
-int dlclose(void *handle) {
-	DLObject *obj = (DLObject *)handle;
-	if (obj == NULL) {
-		strcpy(dlerr, "Handle is NULL.");
-		return -1;
-	}
-	if (obj->close()) {
-		delete obj;
-		return 0;
-	}
-	return -1;
-}
-
-void *dlsym(void *handle, const char *symbol) {
-	if (handle == NULL) {
-		strcpy(dlerr, "Handle is NULL.");
-		return NULL;
-	}
-	return ((DLObject *)handle)->symbol(symbol);
-}
-
-const char *dlerror() {
-	return dlerr;
-}
-
-void dlforgetsyms(void *handle) {
-	if (handle != NULL)
-		((DLObject *)handle)->discard_symtab();
-}
-
-
-#endif /* DYNAMIC_MODULES && __PSP__ */