Symbols.c

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#include <Uefi.h>
 
#include <IndustryStandard/AppleMachoImage.h>
 
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BaseOverflowLib.h>
#include <Library/DebugLib.h>
#include <Library/OcMachoLib.h>
 
#include "OcMachoLibInternal.h"
 
BOOLEAN
MachoSymbolIsDefined (
  IN OUT OC_MACHO_CONTEXT  *Context,
  IN CONST MACH_NLIST_ANY  *Symbol
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         MachoSymbolIsDefined32 (&Symbol->Symbol32) :
         MachoSymbolIsDefined64 (&Symbol->Symbol64);
}
 
BOOLEAN
MachoSymbolIsLocalDefined (
  IN OUT OC_MACHO_CONTEXT      *Context,
  IN     CONST MACH_NLIST_ANY  *Symbol
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         MachoSymbolIsLocalDefined32 (Context, &Symbol->Symbol32) :
         MachoSymbolIsLocalDefined64 (Context, &Symbol->Symbol64);
}
 
MACH_NLIST_ANY *
MachoGetLocalDefinedSymbolByName (
  IN OUT OC_MACHO_CONTEXT  *Context,
  IN     CONST CHAR8       *Name
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         (MACH_NLIST_ANY *)MachoGetLocalDefinedSymbolByName32 (Context, Name) :
         (MACH_NLIST_ANY *)MachoGetLocalDefinedSymbolByName64 (Context, Name);
}
 
MACH_NLIST_ANY *
MachoGetSymbolByIndex (
  IN OUT OC_MACHO_CONTEXT  *Context,
  IN     UINT32            Index
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         (MACH_NLIST_ANY *)MachoGetSymbolByIndex32 (Context, Index) :
         (MACH_NLIST_ANY *)MachoGetSymbolByIndex64 (Context, Index);
}
 
CONST CHAR8 *
MachoGetSymbolName (
  IN OUT OC_MACHO_CONTEXT      *Context,
  IN     CONST MACH_NLIST_ANY  *Symbol
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         MachoGetSymbolName32 (Context, &Symbol->Symbol32) :
         MachoGetSymbolName64 (Context, &Symbol->Symbol64);
}
 
CONST CHAR8 *
MachoGetIndirectSymbolName (
  IN OUT OC_MACHO_CONTEXT      *Context,
  IN     CONST MACH_NLIST_ANY  *Symbol
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         MachoGetIndirectSymbolName32 (Context, &Symbol->Symbol32) :
         MachoGetIndirectSymbolName64 (Context, &Symbol->Symbol64);
}
 
BOOLEAN
MachoIsSymbolValueInRange (
  IN OUT OC_MACHO_CONTEXT      *Context,
  IN     CONST MACH_NLIST_ANY  *Symbol
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         MachoIsSymbolValueInRange32 (Context, &Symbol->Symbol32) :
         MachoIsSymbolValueInRange64 (Context, &Symbol->Symbol64);
}
 
BOOLEAN
MachoGetSymbolByExternRelocationOffset (
  IN OUT OC_MACHO_CONTEXT  *Context,
  IN     UINT64            Address,
  OUT    MACH_NLIST_ANY    **Symbol
  )
{
  ASSERT (Context != NULL);
  if (Context->Is32Bit) {
    ASSERT (Address < MAX_UINT32);
  }
 
  return Context->Is32Bit ?
         MachoGetSymbolByExternRelocationOffset32 (Context, (UINT32)Address, (MACH_NLIST **)Symbol) :
         MachoGetSymbolByExternRelocationOffset64 (Context, Address, (MACH_NLIST_64 **)Symbol);
}
 
BOOLEAN
MachoRelocateSymbol (
  IN OUT OC_MACHO_CONTEXT  *Context,
  IN     UINT64            LinkAddress,
  IN OUT MACH_NLIST_ANY    *Symbol
  )
{
  ASSERT (Context != NULL);
  if (Context->Is32Bit) {
    ASSERT (LinkAddress < MAX_UINT32);
  }
 
  return Context->Is32Bit ?
         MachoRelocateSymbol32 (Context, (UINT32)LinkAddress, &Symbol->Symbol32) :
         MachoRelocateSymbol64 (Context, LinkAddress, &Symbol->Symbol64);
}
 
BOOLEAN
MachoSymbolGetFileOffset (
  IN OUT OC_MACHO_CONTEXT       *Context,
  IN     CONST  MACH_NLIST_ANY  *Symbol,
  OUT    UINT32                 *FileOffset,
  OUT    UINT32                 *MaxSize OPTIONAL
  )
{
  ASSERT (Context != NULL);
 
  return Context->Is32Bit ?
         MachoSymbolGetFileOffset32 (Context, &Symbol->Symbol32, FileOffset, MaxSize) :
         MachoSymbolGetFileOffset64 (Context, &Symbol->Symbol64, FileOffset, MaxSize);
}
 
BOOLEAN
MachoSymbolGetDirectFileOffset (
  IN OUT OC_MACHO_CONTEXT  *Context,
  IN     UINT64            Address,
  OUT    UINT32            *FileOffset,
  OUT    UINT32            *MaxSize OPTIONAL
  )
{
  ASSERT (Context != NULL);
  if (Context->Is32Bit) {
    ASSERT (Address < MAX_UINT32);
  }
 
  return Context->Is32Bit ?
         InternalMachoSymbolGetDirectFileOffset32 (Context, (UINT32)Address, FileOffset, MaxSize) :
         InternalMachoSymbolGetDirectFileOffset64 (Context, Address, FileOffset, MaxSize);
}