mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-23 11:35:19 +01:00
more debugging
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
This commit is contained in:
parent
fab169defe
commit
32eba04396
@ -23,7 +23,7 @@
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//#include "sse3_5_patcher.h"
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#ifndef DEBUG_ALL
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#define KERNEL_DEBUG 1
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#define KERNEL_DEBUG 0
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#else
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#define KERNEL_DEBUG DEBUG_ALL
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#endif
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@ -133,32 +133,34 @@ UINT32 LOADER_ENTRY::searchSectionByNum(UINT8 * binary, UINT32 Num)
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}
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ncmds = MACH_GET_NCMDS(binary);
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binaryIndex = sizeof(struct mach_header_64);
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binaryIndex = sizeof(struct mach_header_64); //20
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DBG("segSize=0x%lx secsize=0x%lx\n", sizeof(struct segment_command_64), sizeof(struct section_64)); //48, 50
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for (UINTN cnt = 0; cnt < ncmds; cnt++) {
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loadCommand = (struct segment_command_64 *)(binary + binaryIndex);
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cmdsize = loadCommand->cmdsize;
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loadCommand = (struct segment_command_64 *)(binary + binaryIndex); //20, 158
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cmdsize = loadCommand->cmdsize; //138, 278
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switch (loadCommand->cmd) {
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case LC_SEGMENT_64:
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nsect = loadCommand->nsects;
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nsect = loadCommand->nsects; //3, 7,
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if (currsect == 0) {
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textAddr = binaryIndex + sizeof(struct segment_command_64);
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textAddr = binaryIndex + sizeof(struct segment_command_64); //20+48=68
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}
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if (currsect + nsect >= Num - 1) {
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UINT32 sectAddr = binaryIndex + sizeof(struct segment_command_64) + sizeof(struct section_64) * (currsect - Num + 1);
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if (currsect + nsect >= Num - 1) { //3+7 >= 9
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UINT32 sectAddr = binaryIndex + sizeof(struct segment_command_64) + sizeof(struct section_64) * (Num - currsect - 1);
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//158+48+50*
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if (*(UINT32*)(binary + sectAddr) == 0x73625F5F) { //special case for __bss
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DBG("__bss will be used as __text\n");
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return textAddr;
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}
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return sectAddr;
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}
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currsect += nsect;
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currsect += nsect; //3
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break;
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default:
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break;
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}
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binaryIndex += cmdsize;
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binaryIndex += cmdsize; //20+138=158,
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}
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return 0;
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}
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@ -224,7 +226,14 @@ UINTN LOADER_ENTRY::searchProcInDriver(UINT8 * driver, UINT32 driverLen, const c
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}
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DBG("found section %d at pos=%d\n", vArray[i].n_sect, i);
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DBG("name offset=0x%lx vtable_off=0x%lx\n", symCmd->stroff + Offset, symCmd->symoff + i * sizeof(struct nlist_64));
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// INT32 textAddr = searchSectionByNum(driver, 1);
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INT32 lSegVAddr = searchSectionByNum(driver, vArray[i].n_sect);
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DBG("section begin:\n");
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for (int j=0; j<20; ++j) {
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DBG("%02X", driver[lSegVAddr+j]);
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}
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DBG("\n");
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/*
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switch (vArray[i].Seg) {
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case ID_SEG_DATA:
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@ -277,7 +286,18 @@ UINTN LOADER_ENTRY::searchProcInDriver(UINT8 * driver, UINT32 driverLen, const c
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UINT64 FileOff = TextSeg->offset;
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DBG("Absolut=0x%llx Fileoff=0x%llx\n", Absolut, FileOff);
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UINTN procAddr = vArray[i].n_value - Absolut + FileOff;
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// UINT32 procAddr32 = (UINT32)(vArray[i].n_value); //it is not work
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DBG("procAddr=0x%llx\n", procAddr);
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#if KERNEL_DEBUG
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if (Absolut != 0) {
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UINT8 *procVM = (UINT8*)&driver[procAddr];
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DBG("procedure begin:\n");
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for (int j=0; j<30; ++j) {
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DBG("%02X", procVM[j]);
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}
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DBG("\n");
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}
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#endif
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return procAddr;
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}
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@ -2134,6 +2154,7 @@ void LOADER_ENTRY::Get_PreLink()
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PrelinkTextSize = (UINT32)(segCmd64->filesize);
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PrelinkTextLoadCmdAddr = binaryIndex; //(UINT32)(UINTN)segCmd64;
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}
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#if KERNEL_DEBUG
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DumpSeg(segCmd64);
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DBG("PrelinkTextLoadCmdAddr = 0x%X, PrelinkTextAddr = 0x%X, PrelinkTextSize = 0x%X\n",
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PrelinkTextLoadCmdAddr, PrelinkTextAddr, PrelinkTextSize);
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@ -2142,7 +2163,7 @@ void LOADER_ENTRY::Get_PreLink()
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DBG("%02x", binary[PrelinkTextAddr32+j]);
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}
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DBG("\n");
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#endif
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}
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if (strcmp(segCmd64->segname, kPrelinkInfoSegment) == 0) {
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UINT32 sectionIndex;
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@ -186,7 +186,7 @@ BOOLEAN CompareMemMask(const UINT8 *Source, const UINT8 *Search, UINTN SearchSiz
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VOID CopyMemMask(UINT8 *Dest, const UINT8 *Replace, const UINT8 *Mask, UINTN SearchSize);
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UINTN FindMemMask(const UINT8 *Source, UINTN SourceSize, const UINT8 *Search, UINTN SearchSize, const UINT8 *MaskSearch, UINTN MaskSize);
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UINTN FindRelative32(const UINT8 *Source, UINTN Start, UINTN SourceSize, UINTN taskLocation);
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UINTN FindSection(const UINT8 *Source, UINTN len, const UINT8* seg, const UINT8* sec);
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//UINTN FindSection(const UINT8 *Source, UINTN len, const UINT8* seg, const UINT8* sec);
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//
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// Searches Source for Search pattern of size SearchSize
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// and replaces it with Replace up to MaxReplaces times.
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@ -3,7 +3,7 @@
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#include "DataHubCpu.h"
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#ifndef DEBUG_ALL
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#define KEXT_INJECT_DEBUG 1
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#define KEXT_INJECT_DEBUG 0
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#else
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#define KEXT_INJECT_DEBUG DEBUG_ALL
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#endif
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@ -22,7 +22,7 @@ extern "C" {
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#ifndef DEBUG_ALL
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#define KEXT_DEBUG 1
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#define KEXT_DEBUG 0
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#else
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#define KEXT_DEBUG DEBUG_ALL
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#endif
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@ -142,7 +142,7 @@ UINTN FindRelative32(const UINT8 *Source, UINTN Start, UINTN SourceSize, UINTN t
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}
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return 0;
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}
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/*
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UINTN FindSection(const UINT8 *Source, UINTN len, const UINT8* seg, const UINT8* sec)
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{
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BOOLEAN eq;
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@ -168,7 +168,7 @@ UINTN FindSection(const UINT8 *Source, UINTN len, const UINT8* seg, const UINT8*
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}
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return 0;
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}
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*/
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UINTN FindMemMask(const UINT8 *Source, UINTN SourceSize, const UINT8 *Search, UINTN SearchSize, const UINT8 *MaskSearch, UINTN MaskSize)
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{
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if (!Source || !Search || !SearchSize) {
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