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for debugging, print stack ptr at entry

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This commit is contained in:
ehouse 2004-09-21 05:00:57 +00:00
parent 4843df586d
commit 2298f959e4
1 changed files with 14 additions and 17 deletions
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31
xwords4/palm/pnolet.c
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@ -30,8 +30,10 @@ ArmletEntryPoint( const void *emulStateP,
PNOState state;
PnoletUserData* dataP;
char* str;
char buf[32];
unsigned long result;
unsigned long oldR10;
unsigned long sp;
loc = getStorageLoc();
@ -45,22 +47,23 @@ ArmletEntryPoint( const void *emulStateP,
Byte_Swap32((unsigned long)dataP->gotTable);
{
unsigned char stack[] = {
ADD_TO_STACK4(userData68KP, 0)
};
STACK_START(unsigned char, stack, 4 );
ADD_TO_STACK4(stack, userData68KP, 0);
STACK_END(stack);
(*call68KFuncP)( emulStateP,
Byte_Swap32((unsigned long)dataP->storageCallback),
stack, sizeof(stack) );
stack, 4 );
}
asm( "mov %0, r10" : "=r" (oldR10) );
asm( "mov r10, %0" : : "r" (state.gotTable) );
str = "Launching PilotMain";
WinDrawChars( str, StrLen(str), 5, 100 );
asm( "mov %0, r13" : "=r" (sp) );
StrPrintF( buf, "Launching PilotMain;sp=%lx", sp );
WinDrawChars( buf, StrLen(buf), 5, 100 );
result = PilotMain( Byte_Swap16(dataP->cmd),
Byte_Swap32(dataP->cmdPBP),
Byte_Swap32((unsigned long)dataP->cmdPBP),
Byte_Swap16(dataP->launchFlags) );
str = "back from PilotMain";
@ -73,18 +76,12 @@ ArmletEntryPoint( const void *emulStateP,
PNOState*
getStorageLoc()
{
PNOState* loc;
asm( "mov %0,pc" : "=r" (loc) );
asm( "add %0, %1, #8" : "=r" (loc) : "r" (loc) );
asm( "bal done" );
asm( "adr r0,data" );
asm( "mov pc,lr" );
asm( "data:" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "nop" );
asm( "done:" );
return loc;
/* The compiler's adding a "mov pc,lr" here too that we can overwrite. */
}