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- Copy the entire drivers in memory, not just their mappable sections, since WinDBG (and probably other things) use "SizeOfImage" in the header to figure out when the image ends, but we map considerably less, creating overlaps.

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svn path=/trunk/; revision=25966
This commit is contained in:
Alex Ionescu 2007-03-03 05:41:14 +00:00
parent af68f5e42d
commit 523822a169
1 changed files with 3 additions and 19 deletions
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22
reactos/boot/freeldr/freeldr/arch/i386/loader.c
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@ -545,29 +545,13 @@ FrLdrReMapImage(IN PVOID Base,
NtHeader = RtlImageNtHeader(Base);
Section = IMAGE_FIRST_SECTION(NtHeader);
/* Determine the size of the module */
for (i = 0; i < NtHeader->FileHeader.NumberOfSections; i++)
{
/* Skip this section if we're not supposed to load it */
if (!(Section[i].Characteristics & IMAGE_SCN_TYPE_NOLOAD))
{
/* Add the size of this section into the total size */
Size = Section[i].VirtualAddress + Section[i].Misc.VirtualSize;
DriverSize = max(DriverSize, Size);
}
}
/* Round up the driver size to section alignment */
DriverSize = ROUND_UP(DriverSize, NtHeader->OptionalHeader.SectionAlignment);
/* Allocate memory for the driver */
DriverSize = NtHeader->OptionalHeader.SizeOfImage;
LoadBase = MmAllocateMemoryAtAddress(DriverSize, LoadBase);
ASSERT(LoadBase);
/* Copy headers over */
RtlMoveMemory(LoadBase,
Base,
NtHeader->OptionalHeader.SizeOfHeaders);
RtlMoveMemory(LoadBase, Base, NtHeader->OptionalHeader.SizeOfHeaders);
/* Copy image sections into virtual section */
for (i = 0; i < NtHeader->FileHeader.NumberOfSections; i++)
@ -644,7 +628,7 @@ FrLdrMapImage(IN FILE *Image,
NextModuleBase = ROUND_UP(NextModuleBase + ImageSize, PAGE_SIZE);
/* Successful load! */
//DbgPrint("Image: %s loaded at: %p\n", Name, ImageBase);
DbgPrint("Image: %s loaded at: %p\n", Name, ImageBase);
/* Load HAL if this is the kernel */
if (ImageType == 1) FrLdrLoadImage("hal.dll", 10, FALSE);