[mirror_edk2.git] / EmulatorPkg / Library / PeiEmuPeCoffGetEntryPointLib / PeiEmuPeCoffGetEntryPointLib.c

/*++ @file\r
\r
Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include "PiPei.h"\r
#include <Library/PeCoffGetEntryPointLib.h>\r
#include <Library/PeiServicesLib.h>\r
#include <IndustryStandard/PeImage.h>\r
#include <Library/DebugLib.h>\r
\r
#include <Ppi/EmuThunk.h>\r
#include <Protocol/EmuThunk.h>\r
\r
\r
\r
/**\r
  Retrieves and returns a pointer to the entry point to a PE/COFF image that has been loaded\r
  into system memory with the PE/COFF Loader Library functions.\r
\r
  Retrieves the entry point to the PE/COFF image specified by Pe32Data and returns this entry\r
  point in EntryPoint.  If the entry point could not be retrieved from the PE/COFF image, then\r
  return RETURN_INVALID_PARAMETER.  Otherwise return RETURN_SUCCESS.\r
  If Pe32Data is NULL, then ASSERT().\r
  If EntryPoint is NULL, then ASSERT().\r
\r
  @param  Pe32Data                  The pointer to the PE/COFF image that is loaded in system memory.\r
  @param  EntryPoint                The pointer to entry point to the PE/COFF image to return.\r
\r
  @retval RETURN_SUCCESS            EntryPoint was returned.\r
  @retval RETURN_INVALID_PARAMETER  The entry point could not be found in the PE/COFF image.\r
\r
**/\r
RETURN_STATUS\r
EFIAPI\r
PeCoffLoaderGetEntryPoint (\r
  IN     VOID  *Pe32Data,\r
  IN OUT VOID  **EntryPoint\r
  )\r
{\r
  EMU_THUNK_PPI           *ThunkPpi;\r
  EFI_STATUS              Status;\r
  EMU_THUNK_PROTOCOL      *Thunk;\r
\r
  //\r
  // Locate EmuThunkPpi for retrieving standard output handle\r
  //\r
  Status = PeiServicesLocatePpi (\r
              &gEmuThunkPpiGuid,\r
              0,\r
              NULL,\r
              (VOID **) &ThunkPpi\r
             );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  Thunk  = (EMU_THUNK_PROTOCOL *)ThunkPpi->Thunk ();\r
\r
  return Thunk->PeCoffGetEntryPoint (Pe32Data, EntryPoint);\r
}\r
\r
/**\r
  Returns the machine type of PE/COFF image.\r
  This is copied from MDE BasePeCoffGetEntryPointLib, the code should be sync with it.\r
  The reason is Emu package needs to load the image to memory to support source\r
  level debug.\r
\r
\r
  @param  Pe32Data   Pointer to a PE/COFF header\r
\r
  @return            Machine type or zero if not a valid iamge\r
\r
**/\r
UINT16\r
EFIAPI\r
PeCoffLoaderGetMachineType (\r
  IN  VOID  *Pe32Data\r
  )\r
{\r
  EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION  Hdr;\r
  EFI_IMAGE_DOS_HEADER                 *DosHdr;\r
\r
  ASSERT (Pe32Data   != NULL);\r
\r
  DosHdr = (EFI_IMAGE_DOS_HEADER  *)Pe32Data;\r
  if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
\r
  } else {\r
    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)(Pe32Data);\r
  }\r
\r
  if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
    return Hdr.Te->Machine;\r
  } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE)  {\r
    return Hdr.Pe32->FileHeader.Machine;\r
  }\r
\r
  return 0x0000;\r
}\r
\r
/**\r
  Returns a pointer to the PDB file name for a PE/COFF image that has been\r
  loaded into system memory with the PE/COFF Loader Library functions.\r
\r
  Returns the PDB file name for the PE/COFF image specified by Pe32Data.  If\r
  the PE/COFF image specified by Pe32Data is not a valid, then NULL is\r
  returned.  If the PE/COFF image specified by Pe32Data does not contain a\r
  debug directory entry, then NULL is returned.  If the debug directory entry\r
  in the PE/COFF image specified by Pe32Data does not contain a PDB file name,\r
  then NULL is returned.\r
  If Pe32Data is NULL, then ASSERT().\r
\r
  @param  Pe32Data   Pointer to the PE/COFF image that is loaded in system\r
                     memory.\r
\r
  @return The PDB file name for the PE/COFF image specified by Pe32Data or NULL\r
          if it cannot be retrieved.\r
\r
**/\r
VOID *\r
EFIAPI\r
PeCoffLoaderGetPdbPointer (\r
  IN VOID  *Pe32Data\r
  )\r
{\r
  EFI_IMAGE_DOS_HEADER                  *DosHdr;\r
  EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION   Hdr;\r
  EFI_IMAGE_DATA_DIRECTORY              *DirectoryEntry;\r
  EFI_IMAGE_DEBUG_DIRECTORY_ENTRY       *DebugEntry;\r
  UINTN                                 DirCount;\r
  VOID                                  *CodeViewEntryPointer;\r
  INTN                                  TEImageAdjust;\r
  UINT32                                NumberOfRvaAndSizes;\r
  UINT16                                Magic;\r
\r
  ASSERT (Pe32Data   != NULL);\r
\r
  TEImageAdjust       = 0;\r
  DirectoryEntry      = NULL;\r
  DebugEntry          = NULL;\r
  NumberOfRvaAndSizes = 0;\r
\r
  DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r
  if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
    //\r
    // DOS image header is present, so read the PE header after the DOS image header.\r
    //\r
    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
  } else {\r
    //\r
    // DOS image header is not present, so PE header is at the image base.\r
    //\r
    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r
  }\r
\r
  if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
    if (Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress != 0) {\r
      DirectoryEntry  = &Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG];\r
      TEImageAdjust   = sizeof (EFI_TE_IMAGE_HEADER) - Hdr.Te->StrippedSize;\r
      DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *)((UINTN) Hdr.Te +\r
                    Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress +\r
                    TEImageAdjust);\r
    }\r
  } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r
    //\r
    // NOTE: We use Machine field to identify PE32/PE32+, instead of Magic.\r
    //       It is due to backward-compatibility, for some system might\r
    //       generate PE32+ image with PE32 Magic.\r
    //\r
    switch (Hdr.Pe32->FileHeader.Machine) {\r
    case EFI_IMAGE_MACHINE_IA32:\r
      //\r
      // Assume PE32 image with IA32 Machine field.\r
      //\r
      Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r
      break;\r
    case EFI_IMAGE_MACHINE_X64:\r
    case EFI_IMAGE_MACHINE_IA64:\r
      //\r
      // Assume PE32+ image with X64 or IA64 Machine field\r
      //\r
      Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r
      break;\r
    default:\r
      //\r
      // For unknow Machine field, use Magic in optional Header\r
      //\r
      Magic = Hdr.Pe32->OptionalHeader.Magic;\r
    }\r
\r
    if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r
      //\r
      // Use PE32 offset get Debug Directory Entry\r
      //\r
      NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;\r
      DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r
      DebugEntry     = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r
    } else if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r
      //\r
      // Use PE32+ offset get Debug Directory Entry\r
      //\r
      NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;\r
      DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r
      DebugEntry     = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r
    }\r
\r
    if (NumberOfRvaAndSizes <= EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {\r
      DirectoryEntry = NULL;\r
      DebugEntry = NULL;\r
    }\r
  } else {\r
    return NULL;\r
  }\r
\r
  if (DebugEntry == NULL || DirectoryEntry == NULL) {\r
    return NULL;\r
  }\r
\r
  for (DirCount = 0; DirCount < DirectoryEntry->Size; DirCount += sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY), DebugEntry++) {\r
    if (DebugEntry->Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {\r
      if (DebugEntry->SizeOfData > 0) {\r
        CodeViewEntryPointer = (VOID *) ((UINTN) DebugEntry->RVA + ((UINTN)Pe32Data) + (UINTN)TEImageAdjust);\r
        switch (* (UINT32 *) CodeViewEntryPointer) {\r
        case CODEVIEW_SIGNATURE_NB10:\r
          return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY));\r
        case CODEVIEW_SIGNATURE_RSDS:\r
          return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY));\r
        case CODEVIEW_SIGNATURE_MTOC:\r
          return (VOID *) ((CHAR8 *)CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY));\r
        default:\r
          break;\r
        }\r
      }\r
    }\r
  }\r
\r
  return NULL;\r
}\r
\r
\r
/**\r
  Returns the size of the PE/COFF headers\r
\r
  Returns the size of the PE/COFF header specified by Pe32Data.\r
  If Pe32Data is NULL, then ASSERT().\r
\r
  @param  Pe32Data   Pointer to the PE/COFF image that is loaded in system\r
                     memory.\r
\r
  @return Size of PE/COFF header in bytes or zero if not a valid image.\r
\r
**/\r
UINT32\r
EFIAPI\r
PeCoffGetSizeOfHeaders (\r
  IN VOID     *Pe32Data\r
  )\r
{\r
  EFI_IMAGE_DOS_HEADER                  *DosHdr;\r
  EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION   Hdr;\r
  UINTN                                 SizeOfHeaders;\r
\r
  ASSERT (Pe32Data   != NULL);\r
\r
  DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r
  if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
    //\r
    // DOS image header is present, so read the PE header after the DOS image header.\r
    //\r
    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
  } else {\r
    //\r
    // DOS image header is not present, so PE header is at the image base.\r
    //\r
    Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r
  }\r
\r
  if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
    SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN)Hdr.Te->BaseOfCode - (UINTN)Hdr.Te->StrippedSize;\r
  } else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r
    SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;\r
  } else {\r
    SizeOfHeaders = 0;\r
  }\r
\r
  return (UINT32) SizeOfHeaders;\r
}\r
\r
Commit	Line	Data
949f388f	1	/*++ @file\r
949f388f	2	\r
e148512e	3	Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
949f388f	4	Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>\r
	5	This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#include "PiPei.h"\r
	16	#include <Library/PeCoffGetEntryPointLib.h>\r
	17	#include <Library/PeiServicesLib.h>\r
	18	#include <IndustryStandard/PeImage.h>\r
	19	#include <Library/DebugLib.h>\r
	20	\r
	21	#include <Ppi/EmuThunk.h>\r
	22	#include <Protocol/EmuThunk.h>\r
	23	\r
	24	\r
	25	\r
	26	/**\r
	27	Retrieves and returns a pointer to the entry point to a PE/COFF image that has been loaded\r
	28	into system memory with the PE/COFF Loader Library functions.\r
	29	\r
	30	Retrieves the entry point to the PE/COFF image specified by Pe32Data and returns this entry\r
	31	point in EntryPoint. If the entry point could not be retrieved from the PE/COFF image, then\r
	32	return RETURN_INVALID_PARAMETER. Otherwise return RETURN_SUCCESS.\r
	33	If Pe32Data is NULL, then ASSERT().\r
	34	If EntryPoint is NULL, then ASSERT().\r
	35	\r
	36	@param Pe32Data The pointer to the PE/COFF image that is loaded in system memory.\r
	37	@param EntryPoint The pointer to entry point to the PE/COFF image to return.\r
	38	\r
	39	@retval RETURN_SUCCESS EntryPoint was returned.\r
	40	@retval RETURN_INVALID_PARAMETER The entry point could not be found in the PE/COFF image.\r
	41	\r
	42	**/\r
	43	RETURN_STATUS\r
	44	EFIAPI\r
	45	PeCoffLoaderGetEntryPoint (\r
	46	IN VOID *Pe32Data,\r
	47	IN OUT VOID **EntryPoint\r
	48	)\r
	49	{\r
	50	EMU_THUNK_PPI *ThunkPpi;\r
	51	EFI_STATUS Status;\r
	52	EMU_THUNK_PROTOCOL *Thunk;\r
	53	\r
	54	//\r
	55	// Locate EmuThunkPpi for retrieving standard output handle\r
	56	//\r
	57	Status = PeiServicesLocatePpi (\r
	58	&gEmuThunkPpiGuid,\r
65e3f333	59	0,\r
949f388f	60	NULL,\r
	61	(VOID **) &ThunkPpi\r
	62	);\r
	63	ASSERT_EFI_ERROR (Status);\r
	64	\r
	65	Thunk = (EMU_THUNK_PROTOCOL *)ThunkPpi->Thunk ();\r
	66	\r
	67	return Thunk->PeCoffGetEntryPoint (Pe32Data, EntryPoint);\r
	68	}\r
	69	\r
	70	/**\r
d18d8a1d	71	Returns the machine type of PE/COFF image.\r
949f388f	72	This is copied from MDE BasePeCoffGetEntryPointLib, the code should be sync with it.\r
	73	The reason is Emu package needs to load the image to memory to support source\r
	74	level debug.\r
d18d8a1d	75	\r
949f388f	76	\r
	77	@param Pe32Data Pointer to a PE/COFF header\r
	78	\r
	79	@return Machine type or zero if not a valid iamge\r
	80	\r
	81	**/\r
	82	UINT16\r
	83	EFIAPI\r
	84	PeCoffLoaderGetMachineType (\r
	85	IN VOID *Pe32Data\r
	86	)\r
d18d8a1d	87	{\r
949f388f	88	EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r
	89	EFI_IMAGE_DOS_HEADER *DosHdr;\r
	90	\r
	91	ASSERT (Pe32Data != NULL);\r
	92	\r
	93	DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r
	94	if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
	95	Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
	96	\r
	97	} else {\r
	98	Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)(Pe32Data);\r
	99	}\r
	100	\r
	101	if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
	102	return Hdr.Te->Machine;\r
	103	} else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r
	104	return Hdr.Pe32->FileHeader.Machine;\r
	105	}\r
	106	\r
	107	return 0x0000;\r
	108	}\r
	109	\r
	110	/**\r
	111	Returns a pointer to the PDB file name for a PE/COFF image that has been\r
	112	loaded into system memory with the PE/COFF Loader Library functions.\r
	113	\r
	114	Returns the PDB file name for the PE/COFF image specified by Pe32Data. If\r
	115	the PE/COFF image specified by Pe32Data is not a valid, then NULL is\r
	116	returned. If the PE/COFF image specified by Pe32Data does not contain a\r
	117	debug directory entry, then NULL is returned. If the debug directory entry\r
	118	in the PE/COFF image specified by Pe32Data does not contain a PDB file name,\r
	119	then NULL is returned.\r
	120	If Pe32Data is NULL, then ASSERT().\r
	121	\r
	122	@param Pe32Data Pointer to the PE/COFF image that is loaded in system\r
	123	memory.\r
	124	\r
	125	@return The PDB file name for the PE/COFF image specified by Pe32Data or NULL\r
	126	if it cannot be retrieved.\r
	127	\r
	128	**/\r
	129	VOID *\r
	130	EFIAPI\r
	131	PeCoffLoaderGetPdbPointer (\r
	132	IN VOID *Pe32Data\r
	133	)\r
	134	{\r
	135	EFI_IMAGE_DOS_HEADER *DosHdr;\r
	136	EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r
	137	EFI_IMAGE_DATA_DIRECTORY *DirectoryEntry;\r
	138	EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *DebugEntry;\r
	139	UINTN DirCount;\r
	140	VOID *CodeViewEntryPointer;\r
	141	INTN TEImageAdjust;\r
	142	UINT32 NumberOfRvaAndSizes;\r
	143	UINT16 Magic;\r
	144	\r
	145	ASSERT (Pe32Data != NULL);\r
	146	\r
	147	TEImageAdjust = 0;\r
	148	DirectoryEntry = NULL;\r
	149	DebugEntry = NULL;\r
	150	NumberOfRvaAndSizes = 0;\r
	151	\r
152	DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r
153	if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
154	//\r
155	// DOS image header is present, so read the PE header after the DOS image header.\r
156	//\r
157	Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
158	} else {\r
159	//\r
160	// DOS image header is not present, so PE header is at the image base.\r
161	//\r
162	Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r
163	}\r
164	\r
165	if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
166	if (Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress != 0) {\r
167	DirectoryEntry = &Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG];\r
168	TEImageAdjust = sizeof (EFI_TE_IMAGE_HEADER) - Hdr.Te->StrippedSize;\r
169	DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *)((UINTN) Hdr.Te +\r
170	Hdr.Te->DataDirectory[EFI_TE_IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress +\r
171	TEImageAdjust);\r
172	}\r
173	} else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r
174	//\r
175	// NOTE: We use Machine field to identify PE32/PE32+, instead of Magic.\r
176	// It is due to backward-compatibility, for some system might\r
177	// generate PE32+ image with PE32 Magic.\r
178	//\r
179	switch (Hdr.Pe32->FileHeader.Machine) {\r
180	case EFI_IMAGE_MACHINE_IA32:\r
181	//\r
182	// Assume PE32 image with IA32 Machine field.\r
183	//\r
184	Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;\r
185	break;\r
186	case EFI_IMAGE_MACHINE_X64:\r
187	case EFI_IMAGE_MACHINE_IA64:\r
188	//\r
189	// Assume PE32+ image with X64 or IA64 Machine field\r
190	//\r
191	Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r
192	break;\r
193	default:\r
194	//\r
195	// For unknow Machine field, use Magic in optional Header\r
196	//\r
197	Magic = Hdr.Pe32->OptionalHeader.Magic;\r
198	}\r
199	\r
200	if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r
201	//\r
202	// Use PE32 offset get Debug Directory Entry\r
203	//\r
204	NumberOfRvaAndSizes = Hdr.Pe32->OptionalHeader.NumberOfRvaAndSizes;\r
205	DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r
206	DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r
207	} else if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r
208	//\r
209	// Use PE32+ offset get Debug Directory Entry\r
210	//\r
211	NumberOfRvaAndSizes = Hdr.Pe32Plus->OptionalHeader.NumberOfRvaAndSizes;\r
212	DirectoryEntry = (EFI_IMAGE_DATA_DIRECTORY *)&(Hdr.Pe32Plus->OptionalHeader.DataDirectory[EFI_IMAGE_DIRECTORY_ENTRY_DEBUG]);\r
213	DebugEntry = (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY *) ((UINTN) Pe32Data + DirectoryEntry->VirtualAddress);\r
214	}\r
215	\r
216	if (NumberOfRvaAndSizes <= EFI_IMAGE_DIRECTORY_ENTRY_DEBUG) {\r
217	DirectoryEntry = NULL;\r
218	DebugEntry = NULL;\r
219	}\r
220	} else {\r
221	return NULL;\r
222	}\r
223	\r
224	if (DebugEntry == NULL \|\| DirectoryEntry == NULL) {\r
225	return NULL;\r
226	}\r
227	\r
228	for (DirCount = 0; DirCount < DirectoryEntry->Size; DirCount += sizeof (EFI_IMAGE_DEBUG_DIRECTORY_ENTRY), DebugEntry++) {\r
229	if (DebugEntry->Type == EFI_IMAGE_DEBUG_TYPE_CODEVIEW) {\r
230	if (DebugEntry->SizeOfData > 0) {\r
231	CodeViewEntryPointer = (VOID *) ((UINTN) DebugEntry->RVA + ((UINTN)Pe32Data) + (UINTN)TEImageAdjust);\r
232	switch (* (UINT32 *) CodeViewEntryPointer) {\r
233	case CODEVIEW_SIGNATURE_NB10:\r
234	return (VOID ) ((CHAR8 )CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY));\r
235	case CODEVIEW_SIGNATURE_RSDS:\r
236	return (VOID ) ((CHAR8 )CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_RSDS_ENTRY));\r
237	case CODEVIEW_SIGNATURE_MTOC:\r
238	return (VOID ) ((CHAR8 )CodeViewEntryPointer + sizeof (EFI_IMAGE_DEBUG_CODEVIEW_MTOC_ENTRY));\r
239	default:\r
240	break;\r
241	}\r
242	}\r
243	}\r
244	}\r
245	\r
246	return NULL;\r
247	}\r
248	\r
249	\r
250	/**\r
251	Returns the size of the PE/COFF headers\r
252	\r
253	Returns the size of the PE/COFF header specified by Pe32Data.\r
254	If Pe32Data is NULL, then ASSERT().\r
255	\r
256	@param Pe32Data Pointer to the PE/COFF image that is loaded in system\r
257	memory.\r
258	\r
259	@return Size of PE/COFF header in bytes or zero if not a valid image.\r
260	\r
261	**/\r
262	UINT32\r
263	EFIAPI\r
264	PeCoffGetSizeOfHeaders (\r
265	IN VOID *Pe32Data\r
266	)\r
267	{\r
268	EFI_IMAGE_DOS_HEADER *DosHdr;\r
269	EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r
270	UINTN SizeOfHeaders;\r
271	\r
272	ASSERT (Pe32Data != NULL);\r
d18d8a1d	273	\r
949f388f	274	DosHdr = (EFI_IMAGE_DOS_HEADER *)Pe32Data;\r
	275	if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r
	276	//\r
	277	// DOS image header is present, so read the PE header after the DOS image header.\r
	278	//\r
	279	Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINTN) Pe32Data + (UINTN) ((DosHdr->e_lfanew) & 0x0ffff));\r
	280	} else {\r
	281	//\r
	282	// DOS image header is not present, so PE header is at the image base.\r
	283	//\r
	284	Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)Pe32Data;\r
	285	}\r
	286	\r
	287	if (Hdr.Te->Signature == EFI_TE_IMAGE_HEADER_SIGNATURE) {\r
	288	SizeOfHeaders = sizeof (EFI_TE_IMAGE_HEADER) + (UINTN)Hdr.Te->BaseOfCode - (UINTN)Hdr.Te->StrippedSize;\r
	289	} else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {\r
	290	SizeOfHeaders = Hdr.Pe32->OptionalHeader.SizeOfHeaders;\r
	291	} else {\r
	292	SizeOfHeaders = 0;\r
	293	}\r
	294	\r
e148512e	295	return (UINT32) SizeOfHeaders;\r
949f388f	296	}\r
949f388f	297	\r