Rename elfedit to centaur, model to modelops

1 files changed, 0 insertions, 169 deletions

diff --git a/src/model/relocate.c b/src/model/relocate.c
deleted file mode 100644
index 972bda3..0000000
--- a/src/model/relocate.c
+++ /dev/null
@@ -1,169 +0,0 @@
-#include <assert.h>
-#include <stdlib.h>
-#include <string.h>
-#include <libelfu/libelfu.h>
-
-
-static void* subFindByName(ElfuElf *me, ElfuScn *ms, void *aux1, void *aux2)
-{
-  char *name = (char*)aux1;
-  (void)aux2;
-
-  if (elfu_mScnName(me, ms)) {
-    if (!strcmp(elfu_mScnName(me, ms), name)) {
-      return ms;
-    }
-  }
-
-  /* Continue */
-  return NULL;
-}
-
-/* Hazard a guess where a function may be found in the PLT */
-static GElf_Word pltLookupVal(ElfuElf *metarget, char *name)
-{
-  ElfuScn *relplt;
-  ElfuScn *plt;
-  ElfuRel *rel;
-  GElf_Word j;
-
-  relplt = elfu_mScnForall(metarget, subFindByName, ".rel.plt", NULL);
-  if (!relplt) {
-    ELFU_WARN("dynsymLookupVal: Could not find .rel.plt section in destination ELF.\n");
-    return 0;
-  }
-
-  plt = elfu_mScnForall(metarget, subFindByName, ".plt", NULL);
-  if (!plt) {
-    ELFU_WARN("dynsymLookupVal: Could not find .plt section in destination ELF.\n");
-    return 0;
-  }
-
-
-  /* Look up name */
-  assert(relplt->reltab);
-  assert(relplt->linkptr);
-  assert(relplt->linkptr->symtab);
-  j = 0;
-  CIRCLEQ_FOREACH(rel, &relplt->reltab->rels, elem) {
-    GElf_Word i;
-    ElfuSym *sym;
-
-    j++;
-
-    if (rel->type != R_386_JMP_SLOT) {
-      continue;
-    }
-
-    sym = CIRCLEQ_FIRST(&relplt->linkptr->symtab->syms);
-    for (i = 1; i < rel->sym; i++) {
-      sym = CIRCLEQ_NEXT(sym, elem);
-    }
-
-    if (!sym->name) {
-      continue;
-    }
-
-    if (!strcmp(sym->name, name)) {
-      /* If this is the symbol we are looking for, then in an x86 binary
-       * the jump to the dynamic symbol is probably at offset (j * 16)
-       * from the start of the PLT, where j is the PLT entry and 16 is
-       * the number of bytes the machine code in a PLT entry take. */
-      GElf_Addr addr = plt->shdr.sh_addr + (16 * j);
-      ELFU_DEBUG("dynsymLookupVal: Guessing symbol '%s' is in destination memory at %jx (PLT entry #%d).\n", name, addr, j);
-      return addr;
-    }
-  }
-
-  ELFU_WARN("dynsymLookupVal: Could not find symbol '%s' in destination ELF.\n", name);
-
-  return 0;
-}
-
-
-static GElf_Word symtabLookupVal(ElfuElf *metarget, ElfuScn *msst, GElf_Word entry)
-{
-  GElf_Word i;
-  ElfuSym *sym;
-
-  assert(metarget);
-  assert(msst);
-  assert(msst->symtab);
-  assert(entry > 0);
-  assert(!CIRCLEQ_EMPTY(&msst->symtab->syms));
-
-  sym = CIRCLEQ_FIRST(&msst->symtab->syms);
-  for (i = 1; i < entry; i++) {
-    sym = CIRCLEQ_NEXT(sym, elem);
-  }
-
-  switch (sym->type) {
-    case STT_NOTYPE:
-    case STT_OBJECT:
-    case STT_FUNC:
-      if (sym->scnptr) {
-        assert(elfu_mScnByOldscn(metarget, sym->scnptr));
-        return elfu_mScnByOldscn(metarget, sym->scnptr)->shdr.sh_addr + sym->value;
-      } else if (sym->shndx == SHN_UNDEF) {
-        /* Look the symbol up in .dyn.plt. If it cannot be found there then
-         * .rel.dyn may need to be expanded with a COPY relocation so the
-         * dynamic linker fixes up the (TODO). */
-        return pltLookupVal(metarget, sym->name);
-      } else if (sym->shndx == SHN_ABS) {
-        return sym->value;
-      } else {
-        ELFU_WARN("symtabLookupVal: Symbol binding COMMON is not supported, using 0.\n");
-        return 0;
-      }
-      break;
-    case STT_SECTION:
-      assert(sym->scnptr);
-      assert(elfu_mScnByOldscn(metarget, sym->scnptr));
-      return elfu_mScnByOldscn(metarget, sym->scnptr)->shdr.sh_addr;
-    case STT_FILE:
-      ELFU_WARN("symtabLookupVal: Symbol type FILE is not supported, using 0.\n");
-      return 0;
-    default:
-      ELFU_WARN("symtabLookupVal: Unknown symbol type %d for %s.\n", sym->type, sym->name);
-      return 0;
-  }
-}
-
-void elfu_mRelocate32(ElfuElf *metarget, ElfuScn *mstarget, ElfuScn *msrt)
-{
-  ElfuRel *rel;
-
-  assert(mstarget);
-  assert(msrt);
-
-  ELFU_DEBUG("Relocating in section of type %d size %jx\n",
-             mstarget->shdr.sh_type,
-             mstarget->shdr.sh_size);
-
-  CIRCLEQ_FOREACH(rel, &msrt->reltab->rels, elem) {
-    Elf32_Word *dest = (Elf32_Word*)(((char*)(mstarget->data.d_buf)) + rel->offset);
-    Elf32_Word a = rel->addendUsed ? rel->addend : *dest;
-    Elf32_Addr p = mstarget->shdr.sh_addr + rel->offset;
-    Elf32_Addr s = symtabLookupVal(metarget, msrt->linkptr, rel->sym);
-    Elf32_Word newval = *dest;
-
-    switch(rel->type) {
-      case R_386_NONE:
-        ELFU_DEBUG("Skipping relocation: R_386_NONE");
-        break;
-      case R_386_32:
-        ELFU_DEBUG("Relocation: R_386_32");
-        newval = s + a;
-        break;
-      case R_386_PC32:
-        ELFU_DEBUG("Relocation: R_386_PC32");
-        newval = s + a - p;
-        break;
-
-      default:
-        ELFU_DEBUG("Skipping relocation: Unknown type %d", rel->type);
-    }
-    ELFU_DEBUG(", overwriting %x with %x.\n", *dest, newval);
-    *dest = newval;
-  }
-}