start implement detections of export functions name. not finish does not working yet. Only fix pe loader so it works

svn path=/trunk/; revision=25658
This commit is contained in:
Magnus Olsen 2007-01-28 19:52:02 +00:00
parent 61bb2998be
commit 70ab8ffa3c
4 changed files with 67 additions and 71 deletions

View file

@ -156,6 +156,19 @@ CPU_INT ConvertToIA32Process( FILE *outfp,
/* dst are register */ /* dst are register */
tmp = stack - (pMystart->dst*regbits); tmp = stack - (pMystart->dst*regbits);
if ((pMystart->type & 2)== 2)
{
fprintf(outfp,"mov ");
standardreg( RegTableCount,
pMystart->dst,
setup_ebp, outfp);
fprintf(outfp," , ");
standardreg( RegTableCount,
pMystart->src,
setup_ebp, outfp);
fprintf(outfp,"\n");
}
if ((pMystart->type & 16)== 16) if ((pMystart->type & 16)== 16)
{ {
/* source are imm */ /* source are imm */

View file

@ -98,8 +98,11 @@ int main(int argc, char * argv[])
// mode 1 convert to intel // mode 1 convert to intel
// mode 2 convert to ppc // mode 2 convert to ppc
//return LoadPFileImage(infile,outfile,BaseAddress,cpuid,type, mode); //return LoadPFileImage(infile,outfile,BaseAddress,cpuid,type, mode);
LoadPFileImage("e:\\testppc.exe","e:\\cputoppc.asm",0,0,0,1); //LoadPFileImage("e:\\testppc.exe","e:\\cputointel.asm",0,0,0,1);
LoadPFileImage("e:\\testppc.exe","e:\\cputointel.asm",0,0,0,2); LoadPFileImage("e:\\testppc.exe","e:\\cputointel.asm",0,0,0,1);
//pMyBrainAnalys = NULL;
//pStartMyBrainAnalys = NULL;
//LoadPFileImage("e:\\testppc.exe","e:\\cputoppc.asm",0,0,0,2);
// return LoadPFileImage("e:\\testms.exe","e:\\cputointel.asm",0,0,0,1); // convert // return LoadPFileImage("e:\\testms.exe","e:\\cputointel.asm",0,0,0,1); // convert
return 0; return 0;

View file

@ -10,24 +10,16 @@
*/ */
/* FIXME RA should be 0 in stwu */ /* FIXME RA should be 0 in stwu */
CPU_BYTE cpuPPCInit_Blr[32] = {0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,1,1,1,0}; CPU_BYTE cpuPPCInit_Blr[32] = {0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0, 0,1,0,0,1,1, 1,0};
CPU_BYTE cpuPPCInit_Li[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,1,1,1,0,2,2}; /* addi */
CPU_BYTE cpuPPCInit_stw[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,0,2,2}; CPU_BYTE cpuPPCInit_Li[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0, 0,0,1,1,1,0, 2,2};
CPU_BYTE cpuPPCInit_stwu[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,1,2,2}; CPU_BYTE cpuPPCInit_stw[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 1,0,0,1,0,0, 2,2};
CPU_BYTE cpuPPCInit_mr[32] = {0,1,1,1,1,0,0,0,0,0,0,0,1,0,1,1,2,2,2,2,2,2,2,2,0,1,1,1,1,1,2,2}; CPU_BYTE cpuPPCInit_stwu[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 1,0,0,1,0,1, 2,2};
CPU_BYTE cpuPPCInit_mr[32] = {0,1,1,1,1,0,0,0,0,0,0,0,1,0,1,1,2,2,2,2,2,2,2,2, 0,1,1,1,1,1, 2,2};
CPU_BYTE cpuPPCInit_lwz[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 1,0,0,0,0,0, 2,2};
/*
CPU_BYTE cpuPPCInit_stw[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,0,2,2};
CPU_BYTE cpuPPCInit_stwu[32] = {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,1,2,2};
CPU_BYTE cpuPPCInit_mr[32] = {0,1,1,1,1,0,0,0,0,0,0,0,1,0,1,1,2,2,2,2,2,2,2,2,0,1,1,1,1,1,2,2};
00: 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,1,2,2 stwu r1,-32(r1)
04: 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,0,2,2 stw r31,28(r1)
08: 0,1,1,1,1,0,0,0,0,0,0,0,1,0,1,1,2,2,2,2,2,2,2,2,0,1,1,1,1,1,2,2 mr r31,r1
0c: 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,1,0,0,2,2 stw r3,8(r31)
10: 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,0,0,0,0,0,2,2 lwz r9,8(r31)
*/
/* mask */ /* mask */
/* /*
* no mask we implement function getting the reg right * no mask we implement function getting the reg right

View file

@ -253,15 +253,20 @@ CPU_INT LoadPFileImage( char *infileName, char *outputfileName,
return 0; return 0;
} }
#define MAXSECTIONNUMBER 16
CPU_INT PEFileStart( CPU_BYTE *memory, CPU_UNINT pos, CPU_INT PEFileStart( CPU_BYTE *memory, CPU_UNINT pos,
CPU_UNINT base, CPU_UNINT size, CPU_UNINT base, CPU_UNINT size,
FILE *outfp, CPU_INT mode) FILE *outfp, CPU_INT mode)
{ {
PIMAGE_DOS_HEADER DosHeader; PIMAGE_DOS_HEADER DosHeader;
PIMAGE_NT_HEADERS NtHeader; PIMAGE_NT_HEADERS NtHeader;
PIMAGE_SECTION_HEADER SectionHeader; IMAGE_SECTION_HEADER SectionHeader[MAXSECTIONNUMBER] = {NULL};
PIMAGE_SECTION_HEADER pSectionHeader;
PIMAGE_EXPORT_DIRECTORY ExportEntry;
INT NumberOfSections; INT NumberOfSections;
INT NumberOfSectionsCount=0; INT NumberOfSectionsCount=0;
INT i;
DosHeader = (PIMAGE_DOS_HEADER)memory; DosHeader = (PIMAGE_DOS_HEADER)memory;
if ( (DosHeader->e_magic != IMAGE_DOS_SIGNATURE) || if ( (DosHeader->e_magic != IMAGE_DOS_SIGNATURE) ||
@ -339,61 +344,47 @@ CPU_INT PEFileStart( CPU_BYTE *memory, CPU_UNINT pos,
break; break;
} }
/*
SectionHeader->Name == ".tls$"
SectionHeader->Name == ".tls"
SectionHeader->Name == ".text" // Executable code
SectionHeader->Name == ".sxdata"
SectionHeader->Name == ".sdata"
SectionHeader->Name == ".sbss"
SectionHeader->Name == ".rsrc" // rc data
SectionHeader->Name == ".reloc"
SectionHeader->Name == ".rdata" // read only initialized data
SectionHeader->Name == ".pdata"
SectionHeader->Name == ".idlsym"
SectionHeader->Name == ".idata" // Import tables
SectionHeader->Name == ".edata" // Export tables
SectionHeader->Name == ".drective"
SectionHeader->Name == ".debug$T"
SectionHeader->Name == ".debug$S"
SectionHeader->Name == ".debug$P"
SectionHeader->Name == ".debug$F"
SectionHeader->Name == ".data" //data segment
SectionHeader->Name == ".cormeta"
SectionHeader->Name == ".bss" // bss segment
undoc printf("Number of object : %d\n",NtHeader->FileHeader.NumberOfSections);
SectionHeader->Name == ".textbss" // bss segment printf("Base Address : %8x\n\n",NtHeader->OptionalHeader.ImageBase);
*/
//*base = NtHeader->OptionalHeader.AddressOfEntryPoint; pSectionHeader = IMAGE_FIRST_SECTION(NtHeader);
SectionHeader = IMAGE_FIRST_SECTION(NtHeader);
NumberOfSections = NtHeader->FileHeader.NumberOfSections; NumberOfSections = NtHeader->FileHeader.NumberOfSections;
for (NumberOfSectionsCount = 0; NumberOfSectionsCount < NumberOfSections; NumberOfSectionsCount++, SectionHeader++) for (i = 0; i < NumberOfSections; i++)
{ {
if (strnicmp((PCHAR) SectionHeader->Name,".rsrc",5)==0) SectionHeader[i] = *pSectionHeader++;
{ printf("Found Sector : %s \n ",SectionHeader[i].Name);
/* FIXME add a rc bin to text scanner */ printf("RVA: %08lX ",SectionHeader[i].VirtualAddress);
} printf("Offset: %08lX ",SectionHeader[i].PointerToRawData);
printf("Size: %08lX ",SectionHeader[i].SizeOfRawData);
printf("Flags: %08lX \n\n",SectionHeader[i].Characteristics);
}
else if (strnicmp((PCHAR) SectionHeader->Name,".textbss",8)==0) /* Get export data */
{ if (NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].Size != 0)
/* FIXME add a bss to text scanner */ {
} for (i = 0; i < NumberOfSections; i++)
{
if ( SectionHeader[i].VirtualAddress <= (ULONG) NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress &&
SectionHeader[i].VirtualAddress + SectionHeader[i].SizeOfRawData > (ULONG)NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress)
{
ExportEntry = (PIMAGE_NT_HEADERS) (((ULONG)memory) +
(ULONG)(NtHeader->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT].VirtualAddress -
SectionHeader[i].VirtualAddress +
SectionHeader[i].PointerToRawData));
}
}
}
else if (strnicmp((PCHAR) SectionHeader->Name,".text\0",6)==0)
{
/*
FIXME we should output gas syntax
BITS 32
GLOBAL _lrotate;
EXTERN _printf;
COMMON _commvar 4;
*/
/* start decoding */
for (i=0;i < NumberOfSections; i++)
{
if (strnicmp((PCHAR) SectionHeader[i].Name,".text\0",6)==0)
{
switch (NtHeader->FileHeader.Machine) switch (NtHeader->FileHeader.Machine)
{ {
case IMAGE_FILE_MACHINE_ALPHA: case IMAGE_FILE_MACHINE_ALPHA:
@ -485,7 +476,7 @@ CPU_INT PEFileStart( CPU_BYTE *memory, CPU_UNINT pos,
fprintf(outfp,"; CPU found POWERPC\n"); fprintf(outfp,"; CPU found POWERPC\n");
//PPCBrain(memory, pos, cpu_size, base, 0, outfp); //PPCBrain(memory, pos, cpu_size, base, 0, outfp);
machine_type = IMAGE_FILE_MACHINE_POWERPC; machine_type = IMAGE_FILE_MACHINE_POWERPC;
PPCBrain(memory+SectionHeader->PointerToRawData, 0, SectionHeader->SizeOfRawData, 0, 0, outfp); PPCBrain(memory+SectionHeader[i].PointerToRawData, 0, SectionHeader[i].SizeOfRawData, NtHeader->OptionalHeader.ImageBase, 0, outfp);
break; break;
@ -564,12 +555,9 @@ CPU_INT PEFileStart( CPU_BYTE *memory, CPU_UNINT pos,
default: default:
printf("Unknown Machine : %d",NtHeader->FileHeader.Machine); printf("Unknown Machine : %d",NtHeader->FileHeader.Machine);
return 4; return 4;
/* End case swich */ } /* end case switch*/
} } /* end if text sector */
/* End if .text statment */ } /* end for */
}
/* End for loop */
}
return 0; return 0;
} }