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2002-10-31 Joel Sherrill <joel@OARcorp.com>

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* m68k-stub.c: Fixed warnings about multi-line strings in asm.
This commit is contained in:
Joel Sherrill
2002-10-31 20:07:42 +00:00
parent 42e42307f1
commit ee55cdb891
2 changed files with 81 additions and 76 deletions
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4
c/src/lib/libbsp/m68k/shared/gdbstub/ChangeLog
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@@ -1,3 +1,7 @@
2002-10-31 Joel Sherrill <joel@OARcorp.com>
* m68k-stub.c: Fixed warnings about multi-line strings in asm.
2002-07-01 Joel Sherrill <joel@OARcorp.com>
* m68k-stub.c: Eliminated multi-line asm statements for gcc 3.x.

153
c/src/lib/libbsp/m68k/shared/gdbstub/m68k-stub.c
View File

@@ -349,75 +349,75 @@ asm(" \n\
move.l lastFrame,%a0 /* last frame pointer */ \n\
");
SAVE_FP_REGS();
asm("
lea registers,%a5 /* get address of registers */
move.w (%sp),%d1 /* get status register */
move.w %d1,66(%a5) /* save sr */
move.l 2(%sp),%a4 /* save pc in a4 for later use */
move.w 6(%sp),%d0 /* get '020 exception format */
move.w %d0,%d2 /* make a copy of format word */
#
# compute exception number
and.l #0xfff,%d2 /* mask off vector offset */
lsr.w #2,%d2 /* divide by 4 to get vect num */
#if 1
cmp.l #33,%d2
bne nopc_adjust
subq.l #2,%a4
nopc_adjust:
#endif
move.l %a4,68(%a5) /* save pc in _regisers[] */
#
# figure out how many bytes in the stack frame
andi.w #0xf000,%d0 /* mask off format type */
rol.w #5,%d0 /* rotate into the low byte *2 */
lea exceptionSize,%a1
add.w %d0,%a1 /* index into the table */
move.w (%a1),%d0 /* get number of words in frame */
move.w %d0,%d3 /* save it */
sub.w %d0,%a0 /* adjust save pointer */
sub.w %d0,%a0 /* adjust save pointer(bytes) */
move.l %a0,%a1 /* copy save pointer */
subq.l #1,%d0 /* predecrement loop counter */
#
# copy the frame
saveFrameLoop:
move.w (%sp)+,(%a1)+
dbf %d0,saveFrameLoop
#
# now that the stack has been clenaed,
# save the a7 in use at time of exception
move.l %sp,superStack /* save supervisor sp */
andi.w #0x2000,%d1 /* were we in supervisor mode ? */
beq userMode
move.l %a7,60(%a5) /* save a7 */
bra a7saveDone
userMode:
move.l %usp,%a1
move.l %a1,60(%a5) /* save user stack pointer */
a7saveDone:
#
# save size of frame
move.w %d3,-(%a0)
move.l %d2,-(%a0) /* save vector number */
#
# save pc causing exception
move.l %a4,-(%a0)
#
# save old frame link and set the new value
move.l lastFrame,%a1 /* last frame pointer */
move.l %a1,-(%a0) /* save pointer to prev frame */
move.l %a0,lastFrame
move.l %d2,-(%sp) /* push exception num */
move.l exceptionHook,%a0 /* get address of handler */
jbsr (%a0) /* and call it */
clr.l (%sp) /* replace exception num parm with frame ptr */
jbsr _returnFromException /* jbsr, but never returns */
");
asm("\n\
lea registers,%a5 /* get address of registers */\n\
move.w (%sp),%d1 /* get status register */\n\
move.w %d1,66(%a5) /* save sr */ \n\
move.l 2(%sp),%a4 /* save pc in a4 for later use */\n\
move.w 6(%sp),%d0 /* get '020 exception format */\n\
move.w %d0,%d2 /* make a copy of format word */\n\
#\n\
# compute exception number\n\
and.l #0xfff,%d2 /* mask off vector offset */\n\
lsr.w #2,%d2 /* divide by 4 to get vect num */\n\
/* #if 1 */\n\
cmp.l #33,%d2\n\
bne nopc_adjust\n\
subq.l #2,%a4\n\
nopc_adjust:\n\
/* #endif */\n\
move.l %a4,68(%a5) /* save pc in _regisers[] */\n\
\n\
#\n\
# figure out how many bytes in the stack frame\n\
andi.w #0xf000,%d0 /* mask off format type */\n\
rol.w #5,%d0 /* rotate into the low byte *2 */\n\
lea exceptionSize,%a1 \n\
add.w %d0,%a1 /* index into the table */\n\
move.w (%a1),%d0 /* get number of words in frame */\n\
move.w %d0,%d3 /* save it */\n\
sub.w %d0,%a0 /* adjust save pointer */\n\
sub.w %d0,%a0 /* adjust save pointer(bytes) */\n\
move.l %a0,%a1 /* copy save pointer */\n\
subq.l #1,%d0 /* predecrement loop counter */\n\
#\n\
# copy the frame\n\
saveFrameLoop:\n\
move.w (%sp)+,(%a1)+\n\
dbf %d0,saveFrameLoop\n\
#\n\
# now that the stack has been clenaed,\n\
# save the a7 in use at time of exception\n\
move.l %sp,superStack /* save supervisor sp */\n\
andi.w #0x2000,%d1 /* were we in supervisor mode ? */\n\
beq userMode \n\
move.l %a7,60(%a5) /* save a7 */\n\
bra a7saveDone\n\
userMode: \n\
move.l %usp,%a1 \n\
move.l %a1,60(%a5) /* save user stack pointer */\n\
a7saveDone:\n\
\n\
#\n\
# save size of frame\n\
move.w %d3,-(%a0)\n\
\n\
move.l %d2,-(%a0) /* save vector number */\n\
#\n\
# save pc causing exception\n\
move.l %a4,-(%a0)\n\
#\n\
# save old frame link and set the new value\n\
move.l lastFrame,%a1 /* last frame pointer */\n\
move.l %a1,-(%a0) /* save pointer to prev frame */\n\
move.l %a0,lastFrame\n\
\n\
move.l %d2,-(%sp) /* push exception num */\n\
move.l exceptionHook,%a0 /* get address of handler */\n\
jbsr (%a0) /* and call it */\n\
clr.l (%sp) /* replace exception num parm with frame ptr */\n\
jbsr _returnFromException /* jbsr, but never returns */\n\
");\n\
#else /* mc68000 */
/* This function is called when an exception occurs. It translates the
* return address found on the stack into an exception vector # which
@@ -431,12 +431,12 @@ a7saveDone:
* Return Address MSWord
* Return Address LSWord
*/
asm("
.text
.globl _catchException
asm("\n\
.text\n\
.globl _catchException\n\
_catchException:");
DISABLE_INTERRUPTS();
asm("
asm("\
moveml %d0-%d7/%a0-%a6,registers /* save registers */ \n\
movel lastFrame,%a0 /* last frame pointer */ \n\
");
@@ -665,9 +665,10 @@ char remcomOutBuffer[BUFMAX];
static short error;
void debug_error(format, parm)
char * format;
char * parm;
void debug_error(
char * format,
char * parm
)
{
if (remote_debug) fprintf (stderr,format,parm);
}