/*++
-Copyright (c) 2006 - 2007 Intel Corporation.
-All rights reserved. This program and the accompanying materials
+Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
SecMain.c
Abstract:
- WinNt emulator of SEC phase. It's really a Posix application, but this is
+ Unix emulator of SEC phase. It's really a Posix application, but this is
Ok since all the other modules for NT32 are NOT Posix applications.
This program processes host environment variables and figures out
#include <Ppi/UnixPeiLoadFile.h>
#include <Ppi/TemporaryRamSupport.h>
#include <dlfcn.h>
+
+#ifdef __APPLE__
+#define MAP_ANONYMOUS MAP_ANON
+char *gGdbWorkingFileName = NULL;
+#endif
+
+
//
// Globals
//
-UNIX_PEI_LOAD_FILE_PPI mSecNtLoadFilePpi = { SecWinNtPeiLoadFile };
+UNIX_PEI_LOAD_FILE_PPI mSecUnixLoadFilePpi = { SecUnixPeiLoadFile };
-PEI_UNIX_AUTOSCAN_PPI mSecNtAutoScanPpi = { SecWinNtPeiAutoScan };
+PEI_UNIX_AUTOSCAN_PPI mSecUnixAutoScanPpi = { SecUnixPeiAutoScan };
-PEI_UNIX_THUNK_PPI mSecWinNtThunkPpi = { SecWinNtWinNtThunkAddress };
+PEI_UNIX_THUNK_PPI mSecUnixThunkPpi = { SecUnixUnixThunkAddress };
EFI_PEI_PROGRESS_CODE_PPI mSecStatusCodePpi = { SecPeiReportStatusCode };
-UNIX_FWH_PPI mSecFwhInformationPpi = { SecWinNtFdAddress };
+UNIX_FWH_PPI mSecFwhInformationPpi = { SecUnixFdAddress };
TEMPORARY_RAM_SUPPORT_PPI mSecTemporaryRamSupportPpi = {SecTemporaryRamSupport};
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gUnixPeiLoadFilePpiGuid,
- &mSecNtLoadFilePpi
+ &mSecUnixLoadFilePpi
},
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gPeiUnixAutoScanPpiGuid,
- &mSecNtAutoScanPpi
+ &mSecUnixAutoScanPpi
},
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gPeiUnixThunkPpiGuid,
- &mSecWinNtThunkPpi
+ &mSecUnixThunkPpi
},
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&mSecTemporaryRamSupportPpi
},
{
-
EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gUnixFwhPpiGuid,
&mSecFwhInformationPpi
UINTN gSystemMemoryCount = 0;
UNIX_SYSTEM_MEMORY *gSystemMemory;
+
+
+UINTN mImageContextModHandleArraySize = 0;
+IMAGE_CONTEXT_TO_MOD_HANDLE *mImageContextModHandleArray = NULL;
+
+
VOID
EFIAPI
SecSwitchStack (
IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
OUT UINT64 *Length
);
+
EFI_STATUS
EFIAPI
SecNt32PeCoffRelocateImage (
);
-INTN
-EFIAPI
+int
main (
- IN INTN Argc,
- IN CHAR8 **Argv,
- IN CHAR8 **Envp
+ IN int Argc,
+ IN char **Argv,
+ IN char **Envp
)
/*++
Routine Description:
- Main entry point to SEC for WinNt. This is a unix program
+ Main entry point to SEC for Unix. This is a unix program
Arguments:
Argc - Number of command line arguments
setbuf(stdout, 0);
setbuf(stderr, 0);
- MemorySizeStr = (CHAR16 *) FixedPcdGetPtr (PcdUnixMemorySizeForSecMain);
- FirmwareVolumesStr = (CHAR16 *) FixedPcdGetPtr (PcdUnixFirmwareVolume);
+ MemorySizeStr = (CHAR16 *) PcdGetPtr (PcdUnixMemorySizeForSecMain);
+ FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdUnixFirmwareVolume);
+
+ printf ("\nEDK SEC Main UNIX Emulation Environment from edk2.sourceforge.net\n");
+
+#ifdef __APPLE__
+ //
+ // We can't use dlopen on OS X, so we need a scheme to get symboles into gdb
+ // We need to create a temp file that contains gdb commands so we can load
+ // symbols when we load every PE/COFF image.
+ //
+ Index = strlen (*Argv);
+ gGdbWorkingFileName = malloc (Index + strlen(".gdb") + 1);
+ strcpy (gGdbWorkingFileName, *Argv);
+ strcat (gGdbWorkingFileName, ".gdb");
+#endif
- printf ("\nEDK SEC Main UNIX Emulation Environment from www.TianoCore.org\n");
//
// Allocate space for gSystemMemory Array
//
// Setup Boot Mode. If BootModeStr == "" then BootMode = 0 (BOOT_WITH_FULL_CONFIGURATION)
//
- printf (" BootMode 0x%02x\n", FixedPcdGet32 (PcdUnixBootMode));
+ printf (" BootMode 0x%02x\n", (unsigned int)PcdGet32 (PcdUnixBootMode));
//
// Open up a 128K file to emulate temp memory for PEI.
// on a real platform this would be SRAM, or using the cache as RAM.
- // Set InitialStackMemory to zero so WinNtOpenFile will allocate a new mapping
+ // Set InitialStackMemory to zero so UnixOpenFile will allocate a new mapping
//
InitialStackMemorySize = STACK_SIZE;
InitialStackMemory = (UINTN)MapMemory(0,
(UINT32) InitialStackMemorySize,
- PROT_READ | PROT_WRITE,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
MAP_ANONYMOUS | MAP_PRIVATE);
if (InitialStackMemory == 0) {
printf ("ERROR : Can not open SecStack Exiting\n");
}
printf (" SEC passing in %u KB of temp RAM at 0x%08lx to PEI\n",
- (UINTN)(InitialStackMemorySize / 1024),
+ (unsigned int)(InitialStackMemorySize / 1024),
(unsigned long)InitialStackMemory);
for (StackPointer = (UINTN*) (UINTN) InitialStackMemory;
- StackPointer < (UINTN*) ((UINTN) InitialStackMemory + (UINT64) InitialStackMemorySize);
+ StackPointer < (UINTN*)(UINTN)((UINTN) InitialStackMemory + (UINT64) InitialStackMemorySize);
StackPointer ++) {
*StackPointer = 0x5AA55AA5;
}
&gFdInfo[Index].Size
);
if (EFI_ERROR (Status)) {
- printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, Status);
+ printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, (unsigned int)Status);
exit (1);
}
/*++
Routine Description:
- Opens and memory maps a file using WinNt services. If BaseAddress is non zero
+ Opens and memory maps a file using Unix services. If BaseAddress is non zero
the process will try and allocate the memory starting at BaseAddress.
Arguments:
EFI_STATUS
EFIAPI
SecPeiReportStatusCode (
- IN EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_STATUS_CODE_TYPE CodeType,
IN EFI_STATUS_CODE_VALUE Value,
IN UINT32 Instance,
- IN EFI_GUID * CallerId,
- IN EFI_STATUS_CODE_DATA * Data OPTIONAL
+ IN CONST EFI_GUID *CallerId,
+ IN CONST EFI_STATUS_CODE_DATA *Data OPTIONAL
)
/*++
//
// Processes ASSERT ()
//
- printf ("ASSERT %s(%d): %s\n", Filename, LineNumber, Description);
+ printf ("ASSERT %s(%d): %s\n", Filename, (int)LineNumber, Description);
} else if (ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) {
//
// Process DEBUG () macro
//
AsciiBSPrint (PrintBuffer, BYTES_PER_RECORD, Format, Marker);
- printf (PrintBuffer);
+ printf ("%s", PrintBuffer);
}
return EFI_SUCCESS;
}
-/**
- Transfers control to a function starting with a new stack.
-
- Transfers control to the function specified by EntryPoint using the new stack
- specified by NewStack and passing in the parameters specified by Context1 and
- Context2. Context1 and Context2 are optional and may be NULL. The function
- EntryPoint must never return.
-
- If EntryPoint is NULL, then ASSERT().
- If NewStack is NULL, then ASSERT().
-
- @param EntryPoint A pointer to function to call with the new stack.
- @param Context1 A pointer to the context to pass into the EntryPoint
- function.
- @param Context2 A pointer to the context to pass into the EntryPoint
- function.
- @param NewStack A pointer to the new stack to use for the EntryPoint
- function.
- @param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's
- Reserved on other architectures.
-
-**/
VOID
EFIAPI
PeiSwitchStacks (
IN VOID *Context2, OPTIONAL
IN VOID *Context3, OPTIONAL
IN VOID *NewStack
- )
-{
- BASE_LIBRARY_JUMP_BUFFER JumpBuffer;
-
- ASSERT (EntryPoint != NULL);
- ASSERT (NewStack != NULL);
-
- //
- // Stack should be aligned with CPU_STACK_ALIGNMENT
- //
- ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0);
-
- JumpBuffer.Eip = (UINTN)EntryPoint;
- JumpBuffer.Esp = (UINTN)NewStack - sizeof (VOID*);
- JumpBuffer.Esp -= sizeof (Context1) + sizeof (Context2) + sizeof(Context3);
- ((VOID**)JumpBuffer.Esp)[1] = Context1;
- ((VOID**)JumpBuffer.Esp)[2] = Context2;
- ((VOID**)JumpBuffer.Esp)[3] = Context3;
-
- LongJump (&JumpBuffer, (UINTN)-1);
-
-
- //
- // InternalSwitchStack () will never return
- //
- ASSERT (FALSE);
-}
+ );
VOID
SecLoadFromCore (
SecCoreData = (EFI_SEC_PEI_HAND_OFF*)(UINTN) TopOfStack;
SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);
SecCoreData->BootFirmwareVolumeBase = (VOID*)BootFirmwareVolumeBase;
- SecCoreData->BootFirmwareVolumeSize = FixedPcdGet32(PcdUnixFirmwareFdSize);
+ SecCoreData->BootFirmwareVolumeSize = PcdGet32 (PcdUnixFirmwareFdSize);
SecCoreData->TemporaryRamBase = (VOID*)(UINTN)LargestRegion;
SecCoreData->TemporaryRamSize = STACK_SIZE;
SecCoreData->StackBase = SecCoreData->TemporaryRamBase;
//
// Load the PEI Core from a Firmware Volume
//
- Status = SecWinNtPeiLoadFile (
+ Status = SecUnixPeiLoadFile (
PeiCorePe32File,
&PeiImageAddress,
&PeiCoreSize,
EFI_STATUS
EFIAPI
-SecWinNtPeiAutoScan (
+SecUnixPeiAutoScan (
IN UINTN Index,
OUT EFI_PHYSICAL_ADDRESS *MemoryBase,
OUT UINT64 *MemorySize
It uses gSystemMemory[] and gSystemMemoryCount that were created by
parsing the host environment variable EFI_MEMORY_SIZE.
The size comes from the varaible and the address comes from the call to
- WinNtOpenFile.
+ UnixOpenFile.
Arguments:
Index - Which memory region to use
VOID *
EFIAPI
-SecWinNtWinNtThunkAddress (
+SecUnixUnixThunkAddress (
VOID
)
/*++
Routine Description:
Since the SEC is the only Unix program in stack it must export
- an interface to do Win API calls. That's what the WinNtThunk address
- is for. gWinNt is initailized in WinNtThunk.c.
+ an interface to do POSIX calls. gUnix is initailized in UnixThunk.c.
Arguments:
InterfaceSize - sizeof (EFI_WIN_NT_THUNK_PROTOCOL);
- InterfaceBase - Address of the gWinNt global
+ InterfaceBase - Address of the gUnix global
Returns:
EFI_SUCCESS - Data returned
EFI_STATUS
-EFIAPI
-SecWinNtPeiLoadFile (
+SecUnixPeiLoadFile (
IN VOID *Pe32Data,
- IN EFI_PHYSICAL_ADDRESS *ImageAddress,
- IN UINT64 *ImageSize,
- IN EFI_PHYSICAL_ADDRESS *EntryPoint
+ OUT EFI_PHYSICAL_ADDRESS *ImageAddress,
+ OUT UINT64 *ImageSize,
+ OUT EFI_PHYSICAL_ADDRESS *EntryPoint
)
/*++
if (EFI_ERROR (Status)) {
return Status;
}
+
+
//
// Allocate space in UNIX (not emulator) memory. Extra space is for alignment
//
- ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) malloc ((UINTN) (ImageContext.ImageSize + (ImageContext.SectionAlignment * 2)));
+ ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) MapMemory (
+ 0,
+ (UINT32) (ImageContext.ImageSize + (ImageContext.SectionAlignment * 2)),
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_ANONYMOUS | MAP_PRIVATE
+ );
if (ImageContext.ImageAddress == 0) {
return EFI_OUT_OF_RESOURCES;
}
+
//
// Align buffer on section boundry
//
ImageContext.ImageAddress += ImageContext.SectionAlignment - 1;
- ImageContext.ImageAddress &= ~(ImageContext.SectionAlignment - 1);
+ ImageContext.ImageAddress &= ~((EFI_PHYSICAL_ADDRESS)(ImageContext.SectionAlignment - 1));
Status = PeCoffLoaderLoadImage (&ImageContext);
if (EFI_ERROR (Status)) {
return Status;
}
-
- Status = SecNt32PeCoffRelocateImage(&ImageContext);
+
+ Status = PeCoffLoaderRelocateImage (&ImageContext);
if (EFI_ERROR (Status)) {
return Status;
}
+
+
+ SecPeCoffRelocateImageExtraAction (&ImageContext);
//
// BugBug: Flush Instruction Cache Here when CPU Lib is ready
return EFI_SUCCESS;
}
+
+RETURN_STATUS
+EFIAPI
+SecPeCoffGetEntryPoint (
+ IN VOID *Pe32Data,
+ IN OUT VOID **EntryPoint
+ )
+{
+ EFI_STATUS Status;
+ EFI_PHYSICAL_ADDRESS ImageAddress;
+ UINT64 ImageSize;
+ EFI_PHYSICAL_ADDRESS PhysEntryPoint;
+
+ Status = SecUnixPeiLoadFile (Pe32Data, &ImageAddress, &ImageSize, &PhysEntryPoint);
+
+ *EntryPoint = (VOID *)(UINTN)PhysEntryPoint;
+ return Status;
+}
+
+
+
EFI_STATUS
EFIAPI
-SecWinNtFdAddress (
+SecUnixFdAddress (
IN UINTN Index,
IN OUT EFI_PHYSICAL_ADDRESS *FdBase,
- IN OUT UINT64 *FdSize
+ IN OUT UINT64 *FdSize,
+ IN OUT EFI_PHYSICAL_ADDRESS *FixUp
)
/*++
Index - Which FD, starts at zero.
FdSize - Size of the FD in bytes
FdBase - Start address of the FD. Assume it points to an FV Header
+ FixUp - Difference between actual FD address and build address
Returns:
EFI_SUCCESS - Return the Base address and size of the FV
*FdBase = gFdInfo[Index].Address;
*FdSize = gFdInfo[Index].Size;
+ *FixUp = 0;
if (*FdBase == 0 && *FdSize == 0) {
return EFI_UNSUPPORTED;
}
+ if (Index == 0) {
+ //
+ // FD 0 has XIP code and well known PCD values
+ // If the memory buffer could not be allocated at the FD build address
+ // the Fixup is the difference.
+ //
+ *FixUp = *FdBase - PcdGet64 (PcdUnixFdBaseAddress);
+ }
+
return EFI_SUCCESS;
}
}
+EFI_STATUS
+AddHandle (
+ IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext,
+ IN VOID *ModHandle
+ )
+/*++
+
+Routine Description:
+ Store the ModHandle in an array indexed by the Pdb File name.
+ The ModHandle is needed to unload the image.
+
+Arguments:
+ ImageContext - Input data returned from PE Laoder Library. Used to find the
+ .PDB file name of the PE Image.
+ ModHandle - Returned from LoadLibraryEx() and stored for call to
+ FreeLibrary().
+
+Returns:
+ EFI_SUCCESS - ModHandle was stored.
+
+--*/
+{
+ UINTN Index;
+ IMAGE_CONTEXT_TO_MOD_HANDLE *Array;
+ UINTN PreviousSize;
+
+
+ Array = mImageContextModHandleArray;
+ for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) {
+ if (Array->ImageContext == NULL) {
+ //
+ // Make a copy of the stirng and store the ModHandle
+ //
+ Array->ImageContext = ImageContext;
+ Array->ModHandle = ModHandle;
+ return EFI_SUCCESS;
+ }
+ }
+
+ //
+ // No free space in mImageContextModHandleArray so grow it by
+ // IMAGE_CONTEXT_TO_MOD_HANDLE entires. realloc will
+ // copy the old values to the new locaiton. But it does
+ // not zero the new memory area.
+ //
+ PreviousSize = mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE);
+ mImageContextModHandleArraySize += MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE;
+
+ mImageContextModHandleArray = realloc (mImageContextModHandleArray, mImageContextModHandleArraySize * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE));
+ if (mImageContextModHandleArray == NULL) {
+ ASSERT (FALSE);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ memset (mImageContextModHandleArray + PreviousSize, 0, MAX_IMAGE_CONTEXT_TO_MOD_HANDLE_ARRAY_SIZE * sizeof (IMAGE_CONTEXT_TO_MOD_HANDLE));
+
+ return AddHandle (ImageContext, ModHandle);
+}
+
+
+VOID *
+RemoveHandle (
+ IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
+ )
+/*++
+
+Routine Description:
+ Return the ModHandle and delete the entry in the array.
+
+Arguments:
+ ImageContext - Input data returned from PE Laoder Library. Used to find the
+ .PDB file name of the PE Image.
+
+Returns:
+ ModHandle - ModHandle assoicated with ImageContext is returned
+ NULL - No ModHandle associated with ImageContext
+
+--*/
+{
+ UINTN Index;
+ IMAGE_CONTEXT_TO_MOD_HANDLE *Array;
+
+ if (ImageContext->PdbPointer == NULL) {
+ //
+ // If no PDB pointer there is no ModHandle so return NULL
+ //
+ return NULL;
+ }
+
+ Array = mImageContextModHandleArray;
+ for (Index = 0; Index < mImageContextModHandleArraySize; Index++, Array++) {
+ if ((Array->ImageContext == ImageContext)) {
+ //
+ // If you find a match return it and delete the entry
+ //
+ Array->ImageContext = NULL;
+ return Array->ModHandle;
+ }
+ }
+
+ return NULL;
+}
+
+
+
+//
+// Target for gdb breakpoint in a script that uses gGdbWorkingFileName to source a
+// add-symbol-file command. Hey what can you say scripting in gdb is not that great....
+//
+// Put .gdbinit in the CWD where you do gdb SecMain.dll for source level debug
+//
+// cat .gdbinit
+// b SecGdbScriptBreak
+// command
+// silent
+// source SecMain.dll.gdb
+// c
+// end
+//
+VOID
+SecGdbScriptBreak (
+ VOID
+ )
+{
+}
VOID
SecUnixLoaderBreak (
{
}
-EFI_STATUS
+BOOLEAN
+IsPdbFile (
+ IN CHAR8 *PdbFileName
+ )
+{
+ UINTN Len;
+
+ if (PdbFileName == NULL) {
+ return FALSE;
+ }
+
+ Len = strlen (PdbFileName);
+ if ((Len < 5)|| (PdbFileName[Len - 4] != '.')) {
+ return FALSE;
+ }
+
+ if ((PdbFileName[Len - 3] == 'P' || PdbFileName[Len - 3] == 'p') &&
+ (PdbFileName[Len - 2] == 'D' || PdbFileName[Len - 2] == 'd') &&
+ (PdbFileName[Len - 1] == 'B' || PdbFileName[Len - 1] == 'b')) {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+#define MAX_SPRINT_BUFFER_SIZE 0x200
+
+void
+PrintLoadAddress (
+ IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
+ )
+{
+ fprintf (stderr,
+ "0x%08lx Loading %s with entry point 0x%08lx\n",
+ (unsigned long)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders),
+ ImageContext->PdbPointer,
+ (unsigned long)ImageContext->EntryPoint
+ );
+
+ // Keep output synced up
+ fflush (stderr);
+}
+
+
+VOID
EFIAPI
-SecNt32PeCoffRelocateImage (
+SecPeCoffRelocateImageExtraAction (
IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
)
{
- void * Handle;
- void * Entry;
- EFI_STATUS Status;
+
+#ifdef __APPLE__
+ PrintLoadAddress (ImageContext);
- Handle = NULL;
- Entry = NULL;
- Status = PeCoffLoaderRelocateImage (ImageContext);
+ //
+ // In mach-o (OS X executable) dlopen() can only load files in the MH_DYLIB of MH_BUNDLE format.
+ // To convert to PE/COFF we need to construct a mach-o with the MH_PRELOAD format. We create
+ // .dSYM files for the PE/COFF images that can be used by gdb for source level debugging.
+ //
+ FILE *GdbTempFile;
+
+ //
+ // In the Mach-O to PE/COFF conversion the size of the PE/COFF headers is not accounted for.
+ // Thus we need to skip over the PE/COFF header when giving load addresses for our symbol table.
+ //
+ if (ImageContext->PdbPointer != NULL && !IsPdbFile (ImageContext->PdbPointer)) {
+ //
+ // Now we have a database of the images that are currently loaded
+ //
+
+ //
+ // 'symbol-file' will clear out currnet symbol mappings in gdb.
+ // you can do a 'add-symbol-file filename address' for every image we loaded to get source
+ // level debug in gdb. Note Sec, being a true application will work differently.
+ //
+ // We add the PE/COFF header size into the image as the mach-O does not have a header in
+ // loaded into system memory.
+ //
+ // This gives us a data base of gdb commands and after something is unloaded that entry will be
+ // removed. We don't yet have the scheme of how to comunicate with gdb, but we have the
+ // data base of info ready to roll.
+ //
+ // We could use qXfer:libraries:read, but OS X GDB does not currently support it.
+ // <library-list>
+ // <library name="/lib/libc.so.6"> // ImageContext->PdbPointer
+ // <segment address="0x10000000"/> // ImageContext->ImageAddress + ImageContext->SizeOfHeaders
+ // </library>
+ // </library-list>
+ //
+
+ //
+ // Write the file we need for the gdb script
+ //
+ GdbTempFile = fopen (gGdbWorkingFileName, "w");
+ if (GdbTempFile != NULL) {
+ fprintf (GdbTempFile, "add-symbol-file %s 0x%08lx\n", ImageContext->PdbPointer, (long unsigned int)(ImageContext->ImageAddress + ImageContext->SizeOfHeaders));
+ fclose (GdbTempFile);
+
+ //
+ // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint.
+ // Hey what can you say scripting in gdb is not that great....
+ //
+ SecGdbScriptBreak ();
+ }
+
+ AddHandle (ImageContext, ImageContext->PdbPointer);
+
+ }
+
+#else
+
+ void *Handle = NULL;
+ void *Entry = NULL;
+
fprintf (stderr,
"Loading %s 0x%08lx - entry point 0x%08lx\n",
ImageContext->PdbPointer,
(unsigned long)ImageContext->ImageAddress,
(unsigned long)ImageContext->EntryPoint);
- Handle = dlopen(ImageContext->PdbPointer, RTLD_NOW);
+ Handle = dlopen (ImageContext->PdbPointer, RTLD_NOW);
if (Handle) {
- Entry = dlsym(Handle, "_ModuleEntryPoint");
+ Entry = dlsym (Handle, "_ModuleEntryPoint");
} else {
printf("%s\n", dlerror());
}
if (Entry != NULL) {
- ImageContext->EntryPoint = Entry;
- printf("Change %s Entrypoint to :0x%08lx\n", ImageContext->PdbPointer, Entry);
+ ImageContext->EntryPoint = (UINTN)Entry;
+ printf("Change %s Entrypoint to :0x%08lx\n", ImageContext->PdbPointer, (unsigned long)Entry);
}
SecUnixLoaderBreak ();
- return Status;
+#endif
+
+ return;
}
-EFI_STATUS
+VOID
EFIAPI
-SecNt32PeCoffUnloadimage (
+SecPeCoffLoaderUnloadImageExtraAction (
IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext
)
{
- return EFI_SUCCESS;
+ VOID *Handle;
+
+ Handle = RemoveHandle (ImageContext);
+
+#ifdef __APPLE__
+ FILE *GdbTempFile;
+
+ if (Handle != NULL) {
+ //
+ // Need to skip .PDB files created from VC++
+ //
+ if (!IsPdbFile (ImageContext->PdbPointer)) {
+ //
+ // Write the file we need for the gdb script
+ //
+ GdbTempFile = fopen (gGdbWorkingFileName, "w");
+ if (GdbTempFile != NULL) {
+ fprintf (GdbTempFile, "remove-symbol-file %s\n", ImageContext->PdbPointer);
+ fclose (GdbTempFile);
+
+ //
+ // Target for gdb breakpoint in a script that uses gGdbWorkingFileName to set a breakpoint.
+ // Hey what can you say scripting in gdb is not that great....
+ //
+ SecGdbScriptBreak ();
+ }
+ }
+ }
+
+#else
+ //
+ // Don't want to confuse gdb with symbols for something that got unloaded
+ //
+ if (Handle != NULL) {
+ dlclose (Handle);
+ }
+
+#endif
+ return;
}
VOID
projects / mirror_edk2.git / blobdiff