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fixing the ppc to ia32 break, use ebx as ebp if we got to many register.

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svn path=/trunk/; revision=25496
This commit is contained in:
Magnus Olsen 2007-01-17 15:31:47 +00:00
parent 69999a5ad4
commit af42a0cc24
5 changed files with 90 additions and 40 deletions
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32
rosapps/devutils/cputointel/ConvertToIA32Process.c
View file

@ -22,6 +22,7 @@ CPU_INT ConvertToIntelProcess( FILE *outfp, CPU_INT eax, CPU_INT ebp,
if (HowManyRegInUse > 8)
{
setup_ebp =1; /* we will use ebx as ebp */
stack = HowManyRegInUse * regbits;
}
@ -36,13 +37,17 @@ CPU_INT ConvertToIntelProcess( FILE *outfp, CPU_INT eax, CPU_INT ebp,
fprintf(outfp,"_main:\n");
/* setup a frame pointer */
//fprintf(outfp,"\n; Setup frame pointer \n");
//fprintf(outfp,"push ebp\n");
//fprintf(outfp,"mov ebp,esp\n");
//fprintf(outfp,"sub esp, %d ; Alloc %d bytes for reg\n\n",stack,stack);
if (setup_ebp == 1)
{
fprintf(outfp,"\n; Setup frame pointer \n");
fprintf(outfp,"push ebx\n");
fprintf(outfp,"mov ebx,esp\n");
fprintf(outfp,"sub esp, %d ; Alloc %d bytes for reg\n\n",stack,stack);
}
fprintf(outfp,"; Start the program \n");
while (pMystart!=pMyend)
while (pMystart!=NULL)
{
/* fixme the line lookup from anaylysing process */
@ -60,7 +65,7 @@ CPU_INT ConvertToIntelProcess( FILE *outfp, CPU_INT eax, CPU_INT ebp,
{
/* source are imm */
if (pMyBrainAnalys->dst == eax)
if (pMystart->dst == eax)
{
if (pMystart->src == 0)
fprintf(outfp,"xor eax,eax\n");
@ -90,8 +95,7 @@ CPU_INT ConvertToIntelProcess( FILE *outfp, CPU_INT eax, CPU_INT ebp,
}
else
{
//fprintf(outfp,"mov dword [ebp - %d], %llu\n", tmp, pMystart->src);
printf("not support move from register\n");
fprintf(outfp,"mov dword [ebx - %d], %llu\n", tmp, pMystart->src);
}
}
} /* end pMyBrainAnalys->type & 8 */
@ -100,12 +104,12 @@ CPU_INT ConvertToIntelProcess( FILE *outfp, CPU_INT eax, CPU_INT ebp,
/* return */
if (pMystart->op == OP_ANY_ret)
{
//if (pMyBrainAnalys->ptr_next == NULL)
//{
// fprintf(outfp,"\n; clean up after the frame \n");
// fprintf(outfp,"mov esp, ebp\n");
// fprintf(outfp,"pop ebp\n");
//}
if (pMyBrainAnalys->ptr_next == NULL)
{
fprintf(outfp,"\n; clean up after the frame \n");
fprintf(outfp,"mov esp, ebx\n");
fprintf(outfp,"pop ebx\n");
}
fprintf(outfp,"ret\n");
}
pMystart = (PMYBrainAnalys) pMystart->ptr_next;

71
rosapps/devutils/cputointel/ConvertingProcess.c Normal file
View file

@ -0,0 +1,71 @@
#include <windows.h>
#include <winnt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "misc.h"
#include "any_op.h"
/* hack should be in misc.h*/
CPU_INT ConvertProcess(FILE *outfp, CPU_INT FromCpuid, CPU_INT ToCpuid)
{
CPU_INT ret=0;
CPU_INT eax =-1;
CPU_INT ebp =-1;
CPU_INT edx =-1;
CPU_INT esp =-1;
CPU_INT regbits=-1;
CPU_INT HowManyRegInUse = 0;
PMYBrainAnalys pMystart = pStartMyBrainAnalys;
PMYBrainAnalys pMyend = pMyBrainAnalys;
if (FromCpuid == IMAGE_FILE_MACHINE_POWERPC)
{
regbits = 32 / 8;
esp = 1;
eax = 3;
edx = 4;
ebp = 31;
}
/* FIXME calc where todo first split */
/* FIXME calc who many register are in use */
//ret = ConvertToIntelProcess(FILE *outfp,
// CPU_INT eax,
// CPU_INT edx,
// CPU_INT edx,
// CPU_INT esp,
// PMYBrainAnalys start,
// PMYBrainAnalys end);
switch (ToCpuid)
{
case IMAGE_FILE_MACHINE_I386:
ret = ConvertToIntelProcess( outfp, eax, ebp,
edx, esp,
pMystart,
pMyend, regbits,
HowManyRegInUse);
if (ret !=0)
{
printf("should not happen contact a devloper, x86 fail\n");
return -1;
}
break;
default:
printf("should not happen contact a devloper, unknown fail\n");
return -1;
}
return ret;
}

10
rosapps/devutils/cputointel/From/PPC/PPCBrain.c
View file

@ -59,16 +59,6 @@ CPU_INT PPCBrain( CPU_BYTE *cpu_buffer,
cpuint = GetData32Le(&cpu_buffer[cpu_pos]);
///* Add */
//if ((cpuint - (cpuint & GetMaskByte32(cpuPPCInit_Addx))) == ConvertBitToByte32(cpuPPCInit_Addx))
//{
// retsize = PPC_Addx( outfp, cpu_buffer, cpu_pos, cpu_size,
// BaseAddress, cpuarch, mode);
// if (retsize<0)
// retcode = 1;
// else
// cpu_pos += retsize;
//}
/* 0x38 Ld aslo known as Li */
if ((cpuint - (cpuint & GetMaskByte32(cpuPPCInit_Ld))) == ConvertBitToByte32(cpuPPCInit_Ld))

2
rosapps/devutils/cputointel/From/PPC/PPCBrain.h
View file

@ -8,7 +8,7 @@
* the opcode. but a opcode have also normal bit that is always been set to
* same. thuse bit are always 0 or 1
*/
CPU_BYTE cpuPPCInit_Addx[32] = {2,0,1,0,1,0,0,0,0,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1,1,1,0};
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};

15
rosapps/devutils/cputointel/From/PPC/PPCopcode.c
View file

@ -27,22 +27,7 @@
* value +1 and higher : who many byte we should add to cpu_pos
*/
CPU_INT PPC_Addx( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch,
CPU_INT mode)
{
/*
* ConvertBitToByte() is perfect to use to get the bit being in use from a bit array
* GetMaskByte() is perfect if u whant known which bit have been mask out
* see M68kopcode.c and how it use the ConvertBitToByte()
*/
fprintf(out,"Line_0x%8x :\n",BaseAddress + cpu_pos);
printf(";Add unimplement\n");
return -1;
}
CPU_INT PPC_Blr( FILE *out, CPU_BYTE * cpu_buffer, CPU_UNINT cpu_pos,
CPU_UNINT cpu_size, CPU_UNINT BaseAddress, CPU_UNINT cpuarch,