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kernel addresses are shifted

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Signed-off-by: SergeySlice <sergey.slice@gmail.com>
This commit is contained in:
SergeySlice 2020-07-23 23:42:29 +03:00
parent 0143e228ee
commit c87aabd9fe
1 changed files with 5 additions and 5 deletions
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10
rEFIt_UEFI/Platform/kernel_patcher.cpp
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@ -2446,12 +2446,12 @@ LOADER_ENTRY::KernelAndKextPatcherInit()
// for AptioFix booting - it's always at KernelRelocBase + 0x00200000
// UINT64 os_version = AsciiOSVersionToUint64(OSVersion);
DBG("os_version=%s\n", OSVersion);
DBG("os_version=%s\n", OSVersion);
// if (os_version < AsciiOSVersionToUint64("10.6")) {
// KernelData = (UINT8*)(UINTN)(KernelSlide + KernelRelocBase + 0x00111000);
// } else {
KernelData = (UINT8*)(UINTN)(KernelSlide + KernelRelocBase + 0x00200000);
KernelData = (UINT8*)(UINTN)(KernelSlide + KernelRelocBase + 0x00200000);
// }
// check that it is Mach-O header and detect architecture
@ -2483,7 +2483,7 @@ LOADER_ENTRY::KernelAndKextPatcherInit()
KernelData = NULL;
return;
}
DBG( " kernel offset at 0x%x\n", KernelOffset);
// DBG( " kernel offset at 0x%x\n", KernelOffset);
// find __PRELINK_TEXT and __PRELINK_INFO
Get_PreLink();
//find symbol tables
@ -2491,8 +2491,8 @@ LOADER_ENTRY::KernelAndKextPatcherInit()
UINT32 symCmdOffset = 0;
Get_Symtab(&KernelData[KernelOffset], &symCmdOffset);
if (symCmdOffset != 0) {
symCmd = (struct symtab_command *)&KernelData[symCmdOffset];
AddrVtable = symCmd->symoff;
symCmd = (struct symtab_command *)&KernelData[KernelOffset + symCmdOffset];
AddrVtable = symCmd->symoff; //this offset relative to KernelData+0
SizeVtable = symCmd->nsyms;
NamesTable = symCmd->stroff;
DBG("Kernel: AddrVtable=0x%x SizeVtable=0x%x NamesTable=0x%x\n", AddrVtable, SizeVtable, NamesTable);