- // === Parse Relocation Data ===\r
- DEBUGS(" elf_relocate: dynamicTab = 0x%x\n", dynamicTab);\r
- for( j = 0; dynamicTab[j].d_tag != DT_NULL; j++)\r
- {\r
- switch(dynamicTab[j].d_tag)\r
- {\r
- // --- Shared Library Name ---\r
- case DT_SONAME:\r
- DEBUGS(" elf_relocate: .so Name '%s'\n", dynstrtab+dynamicTab[j].d_val);\r
- break;\r
- // --- Needed Library ---\r
- case DT_NEEDED:\r
- libPath = dynstrtab + dynamicTab[j].d_val;\r
- DEBUGS(" Required Library '%s'\n", libPath);\r
- if(LoadLibrary(libPath, NULL, envp) == 0) {\r
- #if DEBUG\r
- DEBUGS(" elf_relocate: Unable to load '%s'\n", libPath);\r
- #else\r
- SysDebug("Unable to load required library '%s'\n", libPath);\r
- #endif\r
- return 0;\r
- }\r
- break;\r
- // --- PLT/GOT ---\r
- case DT_PLTGOT: pltgot = (void*)iBaseDiff+(dynamicTab[j].d_val); break;\r
- case DT_JMPREL: plt = (void*)(iBaseDiff+dynamicTab[j].d_val); break;\r
- case DT_PLTREL: pltType = dynamicTab[j].d_val; break;\r
- case DT_PLTRELSZ: pltSz = dynamicTab[j].d_val; break;\r
- \r
- // --- Relocation ---\r
- case DT_REL: rel = (void*)(iBaseDiff + dynamicTab[j].d_val); break;\r
- case DT_RELSZ: relSz = dynamicTab[j].d_val; break;\r
- case DT_RELENT: relEntSz = dynamicTab[j].d_val; break;\r
- case DT_RELA: rela = (void*)(iBaseDiff + dynamicTab[j].d_val); break;\r
- case DT_RELASZ: relaSz = dynamicTab[j].d_val; break;\r
- case DT_RELAENT: relaEntSz = dynamicTab[j].d_val; break;\r
- \r
- // --- Symbol Table ---\r
- case DT_SYMTAB:\r
- // --- Hash Table ---\r
- case DT_HASH:\r
- // --- String Table ---\r
- case DT_STRTAB:\r
- break;\r
- \r
- // --- Unknown ---\r
- default:\r
- if(dynamicTab[j].d_tag > DT_JMPREL) continue;\r
- //DEBUGS(" elf_relocate: %i-%i = %s,0x%x\n",\r
- // i,j, csaDT_NAMES[dynamicTab[j].d_tag],dynamicTab[j].d_val);\r
- break;\r
- }\r
- }\r
- \r
- DEBUGS(" elf_relocate: Beginning Relocation\n");\r
- \r
- // Parse Relocation Entries\r
- if(rel && relSz)\r
- {\r
- Uint32 *ptr;\r
- DEBUGS(" elf_relocate: rel=0x%x, relSz=0x%x, relEntSz=0x%x\n", rel, relSz, relEntSz);\r
- j = relSz / relEntSz;\r
- for( i = 0; i < j; i++ )\r
+ // === Parse Relocation Data ===
+ DEBUGS(" elf_relocate: dynamicTab = 0x%x\n", dynamicTab);
+ for( j = 0; dynamicTab[j].d_tag != DT_NULL; j++)
+ {
+ switch(dynamicTab[j].d_tag)
+ {
+ // --- Shared Library Name ---
+ case DT_SONAME:
+ DEBUGS(" elf_relocate: .so Name '%s'\n", dynstrtab+dynamicTab[j].d_val);
+ break;
+ // --- Needed Library ---
+ case DT_NEEDED:
+ libPath = dynstrtab + dynamicTab[j].d_val;
+ DEBUGS(" Required Library '%s'\n", libPath);
+ if(LoadLibrary(libPath, NULL, envp) == 0) {
+ #if DEBUG
+ DEBUGS(" elf_relocate: Unable to load '%s'\n", libPath);
+ #else
+ SysDebug("Unable to load required library '%s'\n", libPath);
+ #endif
+ return 0;
+ }
+ break;
+ // --- PLT/GOT ---
+ case DT_PLTGOT: pltgot = (void*)(iBaseDiff + dynamicTab[j].d_val); break;
+ case DT_JMPREL: plt = (void*)(iBaseDiff + dynamicTab[j].d_val); break;
+ case DT_PLTREL: pltType = dynamicTab[j].d_val; break;
+ case DT_PLTRELSZ: pltSz = dynamicTab[j].d_val; break;
+
+ // --- Relocation ---
+ case DT_REL: rel = (void*)(iBaseDiff + dynamicTab[j].d_val); break;
+ case DT_RELSZ: relSz = dynamicTab[j].d_val; break;
+ case DT_RELENT: relEntSz = dynamicTab[j].d_val; break;
+ case DT_RELA: rela = (void*)(iBaseDiff + dynamicTab[j].d_val); break;
+ case DT_RELASZ: relaSz = dynamicTab[j].d_val; break;
+ case DT_RELAENT: relaEntSz = dynamicTab[j].d_val; break;
+
+ // --- Symbol Table ---
+ case DT_SYMTAB:
+ // --- Hash Table ---
+ case DT_HASH:
+ // --- String Table ---
+ case DT_STRTAB:
+ break;
+
+ // --- Unknown ---
+ default:
+ if(dynamicTab[j].d_tag > DT_JMPREL) continue;
+ //DEBUGS(" elf_relocate: %i-%i = %s,0x%x\n",
+ // i,j, csaDT_NAMES[dynamicTab[j].d_tag],dynamicTab[j].d_val);
+ break;
+ }
+ }
+
+ DEBUGS(" elf_relocate: Beginning Relocation\n");
+
+ // Parse Relocation Entries
+ if(rel && relSz)
+ {
+ Uint32 *ptr;
+ DEBUGS(" elf_relocate: rel=0x%x, relSz=0x%x, relEntSz=0x%x\n", rel, relSz, relEntSz);
+ j = relSz / relEntSz;
+ for( i = 0; i < j; i++ )
+ {
+ //DEBUGS(" Rel %i: 0x%x+0x%x\n", i, iBaseDiff, rel[i].r_offset);
+ ptr = (void*)(iBaseDiff + rel[i].r_offset);
+ elf_doRelocate(rel[i].r_info, ptr, *ptr, dynsymtab, iBaseDiff);
+ }
+ }
+ // Parse Relocation Entries
+ if(rela && relaSz)
+ {
+ Uint32 *ptr;
+ DEBUGS(" elf_relocate: rela=0x%x, relaSz=0x%x, relaEntSz=0x%x\n", rela, relaSz, relaEntSz);
+ j = relaSz / relaEntSz;
+ for( i = 0; i < j; i++ )
+ {
+ ptr = (void*)(iBaseDiff + rela[i].r_offset);
+ elf_doRelocate(rel[i].r_info, ptr, rela[i].r_addend, dynsymtab, iBaseDiff);
+ }
+ }
+
+ // === Process PLT (Procedure Linkage Table) ===
+ if(plt && pltSz)
+ {
+ Uint32 *ptr;
+ DEBUGS(" elf_relocate: Relocate PLT, plt=0x%x\n", plt);
+ if(pltType == DT_REL)
+ {
+ Elf32_Rel *pltRel = plt;
+ j = pltSz / sizeof(Elf32_Rel);
+ DEBUGS(" elf_relocate: PLT Reloc Type = Rel, %i entries\n", j);
+ for(i=0;i<j;i++)
+ {
+ ptr = (void*)(iBaseDiff + pltRel[i].r_offset);
+ elf_doRelocate(pltRel[i].r_info, ptr, *ptr, dynsymtab, iRealBase);
+ }
+ }
+ else