107 lines
2.7 KiB
C
107 lines
2.7 KiB
C
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#include "format.h"
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#include "struct.h"
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#include "../../memory/memory.h"
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#include <string.h>
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static const char *caseMachine(uint16_t type) {
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#define CASE(expr) \
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case EXECFORMAT_PE_##expr: \
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return #expr;
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switch (type) {
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CASE(MACHINE_UNKNOWN)
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CASE(MACHINE_AMD64)
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CASE(MACHINE_I386)
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CASE(MACHINE_EBC)
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default:
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return "(Unknown)";
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}
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#undef CASE
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}
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static void caseFlags(uint32_t flags) {
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#define CASE(expr) \
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if (flags & EXECFORMAT_PE_FLAG_##expr) { \
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printf("|" #expr); \
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}
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CASE(RELOCS_STRIPPED)
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CASE(EXECUTABLE_IMAGE)
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CASE(LINE_NUMS_STRIPPED)
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CASE(LOCAL_SYMS_STRIPPED)
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CASE(AGGRESSIVE_WS_TRIM)
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CASE(LARGE_ADDRESS_AWARE)
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CASE(RESERVED_0x0040)
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CASE(BYTES_REVERSED_LO)
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CASE(32BIT_MACHINE)
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CASE(DEBUG_STRIPPED)
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CASE(REMOVABLE_RUN_FROM_SWAP)
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CASE(NET_RUN_FROM_SWAP)
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CASE(SYSTEM)
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CASE(DLL)
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CASE(UP_SYSTEM_ONLY)
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CASE(BYTES_REVERSED_HI)
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printf("|\n");
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#undef CASE
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}
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static void caseSectionFlags(uint32_t flags) {
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#define CASE(expr) \
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if (flags & EXECFORMAT_PE_SECTIONFLAG_##expr) { \
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printf("|" #expr); \
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}
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CASE(NO_PAD)
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CASE(CNT_CODE)
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CASE(CNT_INITIALIZED_DATA)
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CASE(CNT_UNINITIALIZED_DATA)
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CASE(LNK_INFO)
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CASE(LNK_REMOVE)
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CASE(LNK_COMDAT)
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CASE(GPREL)
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CASE(LNK_NRELOC_OVFL)
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CASE(MEM_DISCARDABLE)
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CASE(MEM_NOT_CACHED)
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CASE(MEM_NOT_PAGED)
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CASE(MEM_SHARED)
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CASE(MEM_EXECUTE)
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CASE(MEM_READ)
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CASE(MEM_WRITE)
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printf("|\n");
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#undef CASE
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}
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void execformat_pe_ReadSystemHeader(execformat_pe_PortableExecutable *pe) {
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execformat_pe_OptionalHeader_CheckPacking();
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uint64_t a;
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asm volatile("leaq (%%rip), %0"
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: "=r"(a));
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io_Printf("Stack position: %llx, RIP=%llx\n", &a, a);
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void *addr = (void *)paging_LoaderCodeAddress;
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execformat_pe_PortableExecutable rpe;
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if (pe == 0)
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pe = &rpe;
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execformat_pe_LoadMemory(pe, addr, paging_LoaderCodeSize);
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printf("%s Executable, Machine Type=0x%x (%s), Flags=", pe->isPE32P ? "PE32+" : "PE32", pe->header->machineType, caseMachine(pe->header->machineType));
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caseFlags(pe->header->flags);
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printf("\nImageBase=%d (0x%x)\n", ((execformat_pe_OptionalHeader_PE32P *)pe->optional)->win.imageBase, ((execformat_pe_OptionalHeader_PE32P *)pe->optional)->win.imageBase);
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printf("numRVAandSizes=%d (want %d)\n\n", pe->numDataDir, EXECFORMAT_PE_DATADIR_INDEX_CLR_RUNTIME_HEADER + 2);
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printf("numSections=%d\n", pe->numSections);
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char name[9];
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for (int i = 0; i < pe->numSections; i++) {
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name[8] = 0;
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strncpy(name, pe->sections[i].name, 8);
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printf(" %8s RVA0x%08x File0x%08x Len0x%08x ", name, pe->sections[i].virtualAddr, pe->sections[i].pointerToRawData, pe->sections[i].virtualSize);
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caseSectionFlags(pe->sections[i].flags);
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}
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}
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