CxxSymbolsX.h

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#include "MachoX.h"
 
MACH_NLIST_X *
MACH_X (
  MachoGetMetaclassSymbolFromSmcpSymbol
  )(
    IN OUT OC_MACHO_CONTEXT     *Context,
    IN     CONST MACH_NLIST_X   *Smcp
    ) {
  MACH_NLIST_X  *Symbol;
  BOOLEAN       Result;
 
  ASSERT (Context != NULL);
  ASSERT (Smcp != NULL);
  MACH_ASSERT_X (Context);
 
  Result = MACH_X (MachoGetSymbolByRelocationOffset)(
             Context,
             Smcp->Value,
             &Symbol
             );
  if (Result && (Symbol != NULL)) {
    Result = MachoSymbolNameIsMetaclassPointer (
               Context,
               MACH_X (MachoGetSymbolName)(Context, Symbol)
               );
    if (Result) {
      return Symbol;
    }
  }
 
  return NULL;
}
 
BOOLEAN
MACH_X (
  MachoGetVtableSymbolsFromSmcp
  )(
                 IN OUT OC_MACHO_CONTEXT     *Context,
                 IN     CONST CHAR8          *SmcpName,
                 OUT    CONST MACH_NLIST_X   **Vtable,
                 OUT    CONST MACH_NLIST_X   **MetaVtable
                 ) {
  CHAR8         ClassName[SYM_MAX_NAME_LEN];
  CHAR8         VtableName[SYM_MAX_NAME_LEN];
  CHAR8         MetaVtableName[SYM_MAX_NAME_LEN];
  BOOLEAN       Result;
  MACH_NLIST_X  *VtableSymbol;
  MACH_NLIST_X  *MetaVtableSymbol;
 
  ASSERT (Context != NULL);
  ASSERT (SmcpName != NULL);
  ASSERT (Vtable != NULL);
  ASSERT (MetaVtable != NULL);
  MACH_ASSERT_X (Context);
 
  Result = MachoGetClassNameFromSuperMetaClassPointer (
             Context,
             SmcpName,
             sizeof (ClassName),
             ClassName
             );
  if (!Result) {
    return FALSE;
  }
 
  Result = MachoGetVtableNameFromClassName (
             ClassName,
             sizeof (VtableName),
             VtableName
             );
  if (!Result) {
    return FALSE;
  }
 
  VtableSymbol = MACH_X (MachoGetLocalDefinedSymbolByName)(Context, VtableName);
  if (VtableSymbol == NULL) {
    return FALSE;
  }
 
  Result = MachoGetMetaVtableNameFromClassName (
             ClassName,
             sizeof (MetaVtableName),
             MetaVtableName
             );
  if (!Result) {
    return FALSE;
  }
 
  MetaVtableSymbol = MACH_X (MachoGetLocalDefinedSymbolByName)(
                       Context,
                       MetaVtableName
                       );
  if (MetaVtableSymbol == NULL) {
    return FALSE;
  }
 
  *Vtable     = VtableSymbol;
  *MetaVtable = MetaVtableSymbol;
 
  return TRUE;
}