Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-06 13:02:59 +00:00
Code Issues Projects Releases Packages Wiki Activity

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

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

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;