Mac Forum / Programming / CodeWarrior / December 2004

I have the strangest thing I've ever seen going on.  I have the
following function:

void keyTable::add_key( u_short wc, u_char key )
{
    // dont rebind a character
    if( table[wc] == -1 )
        table[wc] = key;
}

When I run the program and step into this function, the only line the
debugger shows as executable is the comment.  There is no tick mark
beside the other lines for setting a breakpoint and the breakpoint I
set while the program was not running is dimmed.

I haven't examined the disassembly in detail, but it looks OK to me
when the program is not running:

void keyTable::add_key( u_short wc, u_char key )
{
00000000: 5480043E  clrlwi     r0,r4,16                ; rlwinm    
r0,r4,0,16,31
00000004: 7C430214  add        r2,r3,r0
00000008: 88020004  lbz        r0,4(r2)
0000000C: 2C00FFFF  cmpwi      r0,$ffff
00000010: 40820010  bne        *+16                    ; $00000020
    // dont rebind a character
    if( table[wc] == -1 )
        table[wc] = key;
00000014: 5480043E  clrlwi     r0,r4,16                ; rlwinm    
r0,r4,0,16,31
00000018: 7C430214  add        r2,r3,r0
0000001C: 98A20004  stb        r5,4(r2)
00000020: 4E800020  blr
}

However, the moment I step into the function, I end up at the blr
statement (if in source view, my PC is pointing at the comment).

I have removed all objects from all targets and rebuilt.

All optimizations are off.

Anyone ever seen anything like this?

Thanks,

Wade