* [patch] m32r-stub.c
@ 2002-12-19 9:21 Doug Evans
2002-12-20 8:51 ` Andrew Cagney
2003-01-02 20:43 ` Michael Snyder
0 siblings, 2 replies; 3+ messages in thread
From: Doug Evans @ 2002-12-19 9:21 UTC (permalink / raw)
To: gdb-patches
ok to check in?
2002-12-19 Doug Evans <dje@sebabeach.org>
* m32r-stub.c (all asms): Remove multi-line strings.
Index: m32r-stub.c
===================================================================
RCS file: /cvs/src/src/gdb/m32r-stub.c,v
retrieving revision 1.5
diff -c -p -r1.5 m32r-stub.c
*** m32r-stub.c 4 Oct 2002 22:17:36 -0000 1.5
--- m32r-stub.c 19 Dec 2002 17:04:36 -0000
*************** struct PSWreg { /* separate out the bit
*** 1204,1250 ****
Upon entry, all other registers are assumed to have not been modified
since the interrupt/trap occured. */
! asm ("
! stash_registers:
! push r0
! push r1
! seth r1, #shigh(registers)
! add3 r1, r1, #low(registers)
! pop r0 ; r1
! st r0, @(4,r1)
! pop r0 ; r0
! st r0, @r1
! addi r1, #4 ; only add 4 as subsequent saves are `pre inc'
! st r2, @+r1
! st r3, @+r1
! st r4, @+r1
! st r5, @+r1
! st r6, @+r1
! st r7, @+r1
! st r8, @+r1
! st r9, @+r1
! st r10, @+r1
! st r11, @+r1
! st r12, @+r1
! st r13, @+r1 ; fp
! pop r0 ; lr (r14)
! st r0, @+r1
! st sp, @+r1 ; sp contains right value at this point
! mvfc r0, cr0
! st r0, @+r1 ; cr0 == PSW
! mvfc r0, cr1
! st r0, @+r1 ; cr1 == CBR
! mvfc r0, cr2
! st r0, @+r1 ; cr2 == SPI
! mvfc r0, cr3
! st r0, @+r1 ; cr3 == SPU
! mvfc r0, cr6
! st r0, @+r1 ; cr6 == BPC
! st r0, @+r1 ; PC == BPC
! mvfaclo r0
! st r0, @+r1 ; ACCL
! mvfachi r0
! st r0, @+r1 ; ACCH
jmp lr");
/* C routine to clean up what stash_registers did.
--- 1204,1250 ----
Upon entry, all other registers are assumed to have not been modified
since the interrupt/trap occured. */
! asm ("\n\
! stash_registers:\n\
! push r0\n\
! push r1\n\
! seth r1, #shigh(registers)\n\
! add3 r1, r1, #low(registers)\n\
! pop r0 ; r1\n\
! st r0, @(4,r1)\n\
! pop r0 ; r0\n\
! st r0, @r1\n\
! addi r1, #4 ; only add 4 as subsequent saves are `pre inc'\n\
! st r2, @+r1\n\
! st r3, @+r1\n\
! st r4, @+r1\n\
! st r5, @+r1\n\
! st r6, @+r1\n\
! st r7, @+r1\n\
! st r8, @+r1\n\
! st r9, @+r1\n\
! st r10, @+r1\n\
! st r11, @+r1\n\
! st r12, @+r1\n\
! st r13, @+r1 ; fp\n\
! pop r0 ; lr (r14)\n\
! st r0, @+r1\n\
! st sp, @+r1 ; sp contains right value at this point\n\
! mvfc r0, cr0\n\
! st r0, @+r1 ; cr0 == PSW\n\
! mvfc r0, cr1\n\
! st r0, @+r1 ; cr1 == CBR\n\
! mvfc r0, cr2\n\
! st r0, @+r1 ; cr2 == SPI\n\
! mvfc r0, cr3\n\
! st r0, @+r1 ; cr3 == SPU\n\
! mvfc r0, cr6\n\
! st r0, @+r1 ; cr6 == BPC\n\
! st r0, @+r1 ; PC == BPC\n\
! mvfaclo r0\n\
! st r0, @+r1 ; ACCL\n\
! mvfachi r0\n\
! st r0, @+r1 ; ACCH\n\
jmp lr");
/* C routine to clean up what stash_registers did.
*************** cleanup_stash (void)
*** 1278,1319 ****
registers[SPI] = registers[R15];
}
! asm ("
! restore_and_return:
! seth r0, #shigh(registers+8)
! add3 r0, r0, #low(registers+8)
! ld r2, @r0+ ; restore r2
! ld r3, @r0+ ; restore r3
! ld r4, @r0+ ; restore r4
! ld r5, @r0+ ; restore r5
! ld r6, @r0+ ; restore r6
! ld r7, @r0+ ; restore r7
! ld r8, @r0+ ; restore r8
! ld r9, @r0+ ; restore r9
! ld r10, @r0+ ; restore r10
! ld r11, @r0+ ; restore r11
! ld r12, @r0+ ; restore r12
! ld r13, @r0+ ; restore r13
! ld r14, @r0+ ; restore r14
! ld r15, @r0+ ; restore r15
! addi r0, #4 ; don't restore PSW (rte will do it)
! ld r1, @r0+ ; restore cr1 == CBR (no-op, because it's read only)
! mvtc r1, cr1
! ld r1, @r0+ ; restore cr2 == SPI
! mvtc r1, cr2
! ld r1, @r0+ ; restore cr3 == SPU
! mvtc r1, cr3
! addi r0, #4 ; skip BPC
! ld r1, @r0+ ; restore cr6 (BPC) == PC
! mvtc r1, cr6
! ld r1, @r0+ ; restore ACCL
! mvtaclo r1
! ld r1, @r0+ ; restore ACCH
! mvtachi r1
! seth r0, #shigh(registers)
! add3 r0, r0, #low(registers)
! ld r1, @(4,r0) ; restore r1
! ld r0, @r0 ; restore r0
rte");
/* General trap handler, called after the registers have been stashed.
--- 1278,1319 ----
registers[SPI] = registers[R15];
}
! asm ("\n\
! restore_and_return:\n\
! seth r0, #shigh(registers+8)\n\
! add3 r0, r0, #low(registers+8)\n\
! ld r2, @r0+ ; restore r2\n\
! ld r3, @r0+ ; restore r3\n\
! ld r4, @r0+ ; restore r4\n\
! ld r5, @r0+ ; restore r5\n\
! ld r6, @r0+ ; restore r6\n\
! ld r7, @r0+ ; restore r7\n\
! ld r8, @r0+ ; restore r8\n\
! ld r9, @r0+ ; restore r9\n\
! ld r10, @r0+ ; restore r10\n\
! ld r11, @r0+ ; restore r11\n\
! ld r12, @r0+ ; restore r12\n\
! ld r13, @r0+ ; restore r13\n\
! ld r14, @r0+ ; restore r14\n\
! ld r15, @r0+ ; restore r15\n\
! addi r0, #4 ; don't restore PSW (rte will do it)\n\
! ld r1, @r0+ ; restore cr1 == CBR (no-op, because it's read only)\n\
! mvtc r1, cr1\n\
! ld r1, @r0+ ; restore cr2 == SPI\n\
! mvtc r1, cr2\n\
! ld r1, @r0+ ; restore cr3 == SPU\n\
! mvtc r1, cr3\n\
! addi r0, #4 ; skip BPC\n\
! ld r1, @r0+ ; restore cr6 (BPC) == PC\n\
! mvtc r1, cr6\n\
! ld r1, @r0+ ; restore ACCL\n\
! mvtaclo r1\n\
! ld r1, @r0+ ; restore ACCH\n\
! mvtachi r1\n\
! seth r0, #shigh(registers)\n\
! add3 r0, r0, #low(registers)\n\
! ld r1, @(4,r0) ; restore r1\n\
! ld r0, @r0 ; restore r0\n\
rte");
/* General trap handler, called after the registers have been stashed.
*************** static void
*** 1323,1526 ****
process_exception (int num)
{
cleanup_stash ();
! asm volatile ("
! seth r1, #shigh(stackPtr)
! add3 r1, r1, #low(stackPtr)
! ld r15, @r1 ; setup local stack (protect user stack)
! mv r0, %0
! bl handle_exception
bl restore_and_return"
: : "r" (num) : "r0", "r1");
}
void _catchException0 ();
! asm ("
! _catchException0:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #0
bl process_exception");
void _catchException1 ();
! asm ("
! _catchException1:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! bl cleanup_stash
! seth r1, #shigh(stackPtr)
! add3 r1, r1, #low(stackPtr)
! ld r15, @r1 ; setup local stack (protect user stack)
! seth r1, #shigh(registers + 21*4) ; PC
! add3 r1, r1, #low(registers + 21*4)
! ld r0, @r1
! addi r0, #-4 ; back up PC for breakpoint trap.
! st r0, @r1 ; FIXME: what about bp in right slot?
! ldi r0, #1
! bl handle_exception
bl restore_and_return");
void _catchException2 ();
! asm ("
! _catchException2:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #2
bl process_exception");
void _catchException3 ();
! asm ("
! _catchException3:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #3
bl process_exception");
void _catchException4 ();
! asm ("
! _catchException4:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #4
bl process_exception");
void _catchException5 ();
! asm ("
! _catchException5:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #5
bl process_exception");
void _catchException6 ();
! asm ("
! _catchException6:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #6
bl process_exception");
void _catchException7 ();
! asm ("
! _catchException7:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #7
bl process_exception");
void _catchException8 ();
! asm ("
! _catchException8:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #8
bl process_exception");
void _catchException9 ();
! asm ("
! _catchException9:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #9
bl process_exception");
void _catchException10 ();
! asm ("
! _catchException10:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #10
bl process_exception");
void _catchException11 ();
! asm ("
! _catchException11:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #11
bl process_exception");
void _catchException12 ();
! asm ("
! _catchException12:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #12
bl process_exception");
void _catchException13 ();
! asm ("
! _catchException13:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #13
bl process_exception");
void _catchException14 ();
! asm ("
! _catchException14:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #14
bl process_exception");
void _catchException15 ();
! asm ("
! _catchException15:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #15
bl process_exception");
void _catchException16 ();
! asm ("
! _catchException16:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #16
bl process_exception");
void _catchException17 ();
! asm ("
! _catchException17:
! push lr
! bl stash_registers
! ; Note that at this point the pushed value of `lr' has been popped
! ldi r0, #17
bl process_exception");
--- 1323,1526 ----
process_exception (int num)
{
cleanup_stash ();
! asm volatile ("\n\
! seth r1, #shigh(stackPtr)\n\
! add3 r1, r1, #low(stackPtr)\n\
! ld r15, @r1 ; setup local stack (protect user stack)\n\
! mv r0, %0\n\
! bl handle_exception\n\
bl restore_and_return"
: : "r" (num) : "r0", "r1");
}
void _catchException0 ();
! asm ("\n\
! _catchException0:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #0\n\
bl process_exception");
void _catchException1 ();
! asm ("\n\
! _catchException1:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! bl cleanup_stash\n\
! seth r1, #shigh(stackPtr)\n\
! add3 r1, r1, #low(stackPtr)\n\
! ld r15, @r1 ; setup local stack (protect user stack)\n\
! seth r1, #shigh(registers + 21*4) ; PC\n\
! add3 r1, r1, #low(registers + 21*4)\n\
! ld r0, @r1\n\
! addi r0, #-4 ; back up PC for breakpoint trap.\n\
! st r0, @r1 ; FIXME: what about bp in right slot?\n\
! ldi r0, #1\n\
! bl handle_exception\n\
bl restore_and_return");
void _catchException2 ();
! asm ("\n\
! _catchException2:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #2\n\
bl process_exception");
void _catchException3 ();
! asm ("\n\
! _catchException3:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #3\n\
bl process_exception");
void _catchException4 ();
! asm ("\n\
! _catchException4:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #4\n\
bl process_exception");
void _catchException5 ();
! asm ("\n\
! _catchException5:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #5\n\
bl process_exception");
void _catchException6 ();
! asm ("\n\
! _catchException6:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #6\n\
bl process_exception");
void _catchException7 ();
! asm ("\n\
! _catchException7:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #7\n\
bl process_exception");
void _catchException8 ();
! asm ("\n\
! _catchException8:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #8\n\
bl process_exception");
void _catchException9 ();
! asm ("\n\
! _catchException9:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #9\n\
bl process_exception");
void _catchException10 ();
! asm ("\n\
! _catchException10:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #10\n\
bl process_exception");
void _catchException11 ();
! asm ("\n\
! _catchException11:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #11\n\
bl process_exception");
void _catchException12 ();
! asm ("\n\
! _catchException12:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #12\n\
bl process_exception");
void _catchException13 ();
! asm ("\n\
! _catchException13:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #13\n\
bl process_exception");
void _catchException14 ();
! asm ("\n\
! _catchException14:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #14\n\
bl process_exception");
void _catchException15 ();
! asm ("\n\
! _catchException15:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #15\n\
bl process_exception");
void _catchException16 ();
! asm ("\n\
! _catchException16:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #16\n\
bl process_exception");
void _catchException17 ();
! asm ("\n\
! _catchException17:\n\
! push lr\n\
! bl stash_registers\n\
! ; Note that at this point the pushed value of `lr' has been popped\n\
! ldi r0, #17\n\
bl process_exception");
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch] m32r-stub.c
2002-12-19 9:21 [patch] m32r-stub.c Doug Evans
@ 2002-12-20 8:51 ` Andrew Cagney
2003-01-02 20:43 ` Michael Snyder
1 sibling, 0 replies; 3+ messages in thread
From: Andrew Cagney @ 2002-12-20 8:51 UTC (permalink / raw)
To: Doug Evans; +Cc: gdb-patches
Doug,
I don't see a GDB copyright assignment / disclaimer for you. Is this
correct?
Andrew
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch] m32r-stub.c
2002-12-19 9:21 [patch] m32r-stub.c Doug Evans
2002-12-20 8:51 ` Andrew Cagney
@ 2003-01-02 20:43 ` Michael Snyder
1 sibling, 0 replies; 3+ messages in thread
From: Michael Snyder @ 2003-01-02 20:43 UTC (permalink / raw)
To: Doug Evans; +Cc: gdb-patches
Doug,
Did we ever resolve whether you have a copyright assignment on file?
Cheers,
Michael
Doug Evans wrote:
>
> ok to check in?
>
> 2002-12-19 Doug Evans <dje@sebabeach.org>
>
> * m32r-stub.c (all asms): Remove multi-line strings.
>
> Index: m32r-stub.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/m32r-stub.c,v
> retrieving revision 1.5
> diff -c -p -r1.5 m32r-stub.c
> *** m32r-stub.c 4 Oct 2002 22:17:36 -0000 1.5
> --- m32r-stub.c 19 Dec 2002 17:04:36 -0000
> *************** struct PSWreg { /* separate out the bit
> *** 1204,1250 ****
> Upon entry, all other registers are assumed to have not been modified
> since the interrupt/trap occured. */
>
> ! asm ("
> ! stash_registers:
> ! push r0
> ! push r1
> ! seth r1, #shigh(registers)
> ! add3 r1, r1, #low(registers)
> ! pop r0 ; r1
> ! st r0, @(4,r1)
> ! pop r0 ; r0
> ! st r0, @r1
> ! addi r1, #4 ; only add 4 as subsequent saves are `pre inc'
> ! st r2, @+r1
> ! st r3, @+r1
> ! st r4, @+r1
> ! st r5, @+r1
> ! st r6, @+r1
> ! st r7, @+r1
> ! st r8, @+r1
> ! st r9, @+r1
> ! st r10, @+r1
> ! st r11, @+r1
> ! st r12, @+r1
> ! st r13, @+r1 ; fp
> ! pop r0 ; lr (r14)
> ! st r0, @+r1
> ! st sp, @+r1 ; sp contains right value at this point
> ! mvfc r0, cr0
> ! st r0, @+r1 ; cr0 == PSW
> ! mvfc r0, cr1
> ! st r0, @+r1 ; cr1 == CBR
> ! mvfc r0, cr2
> ! st r0, @+r1 ; cr2 == SPI
> ! mvfc r0, cr3
> ! st r0, @+r1 ; cr3 == SPU
> ! mvfc r0, cr6
> ! st r0, @+r1 ; cr6 == BPC
> ! st r0, @+r1 ; PC == BPC
> ! mvfaclo r0
> ! st r0, @+r1 ; ACCL
> ! mvfachi r0
> ! st r0, @+r1 ; ACCH
> jmp lr");
>
> /* C routine to clean up what stash_registers did.
> --- 1204,1250 ----
> Upon entry, all other registers are assumed to have not been modified
> since the interrupt/trap occured. */
>
> ! asm ("\n\
> ! stash_registers:\n\
> ! push r0\n\
> ! push r1\n\
> ! seth r1, #shigh(registers)\n\
> ! add3 r1, r1, #low(registers)\n\
> ! pop r0 ; r1\n\
> ! st r0, @(4,r1)\n\
> ! pop r0 ; r0\n\
> ! st r0, @r1\n\
> ! addi r1, #4 ; only add 4 as subsequent saves are `pre inc'\n\
> ! st r2, @+r1\n\
> ! st r3, @+r1\n\
> ! st r4, @+r1\n\
> ! st r5, @+r1\n\
> ! st r6, @+r1\n\
> ! st r7, @+r1\n\
> ! st r8, @+r1\n\
> ! st r9, @+r1\n\
> ! st r10, @+r1\n\
> ! st r11, @+r1\n\
> ! st r12, @+r1\n\
> ! st r13, @+r1 ; fp\n\
> ! pop r0 ; lr (r14)\n\
> ! st r0, @+r1\n\
> ! st sp, @+r1 ; sp contains right value at this point\n\
> ! mvfc r0, cr0\n\
> ! st r0, @+r1 ; cr0 == PSW\n\
> ! mvfc r0, cr1\n\
> ! st r0, @+r1 ; cr1 == CBR\n\
> ! mvfc r0, cr2\n\
> ! st r0, @+r1 ; cr2 == SPI\n\
> ! mvfc r0, cr3\n\
> ! st r0, @+r1 ; cr3 == SPU\n\
> ! mvfc r0, cr6\n\
> ! st r0, @+r1 ; cr6 == BPC\n\
> ! st r0, @+r1 ; PC == BPC\n\
> ! mvfaclo r0\n\
> ! st r0, @+r1 ; ACCL\n\
> ! mvfachi r0\n\
> ! st r0, @+r1 ; ACCH\n\
> jmp lr");
>
> /* C routine to clean up what stash_registers did.
> *************** cleanup_stash (void)
> *** 1278,1319 ****
> registers[SPI] = registers[R15];
> }
>
> ! asm ("
> ! restore_and_return:
> ! seth r0, #shigh(registers+8)
> ! add3 r0, r0, #low(registers+8)
> ! ld r2, @r0+ ; restore r2
> ! ld r3, @r0+ ; restore r3
> ! ld r4, @r0+ ; restore r4
> ! ld r5, @r0+ ; restore r5
> ! ld r6, @r0+ ; restore r6
> ! ld r7, @r0+ ; restore r7
> ! ld r8, @r0+ ; restore r8
> ! ld r9, @r0+ ; restore r9
> ! ld r10, @r0+ ; restore r10
> ! ld r11, @r0+ ; restore r11
> ! ld r12, @r0+ ; restore r12
> ! ld r13, @r0+ ; restore r13
> ! ld r14, @r0+ ; restore r14
> ! ld r15, @r0+ ; restore r15
> ! addi r0, #4 ; don't restore PSW (rte will do it)
> ! ld r1, @r0+ ; restore cr1 == CBR (no-op, because it's read only)
> ! mvtc r1, cr1
> ! ld r1, @r0+ ; restore cr2 == SPI
> ! mvtc r1, cr2
> ! ld r1, @r0+ ; restore cr3 == SPU
> ! mvtc r1, cr3
> ! addi r0, #4 ; skip BPC
> ! ld r1, @r0+ ; restore cr6 (BPC) == PC
> ! mvtc r1, cr6
> ! ld r1, @r0+ ; restore ACCL
> ! mvtaclo r1
> ! ld r1, @r0+ ; restore ACCH
> ! mvtachi r1
> ! seth r0, #shigh(registers)
> ! add3 r0, r0, #low(registers)
> ! ld r1, @(4,r0) ; restore r1
> ! ld r0, @r0 ; restore r0
> rte");
>
> /* General trap handler, called after the registers have been stashed.
> --- 1278,1319 ----
> registers[SPI] = registers[R15];
> }
>
> ! asm ("\n\
> ! restore_and_return:\n\
> ! seth r0, #shigh(registers+8)\n\
> ! add3 r0, r0, #low(registers+8)\n\
> ! ld r2, @r0+ ; restore r2\n\
> ! ld r3, @r0+ ; restore r3\n\
> ! ld r4, @r0+ ; restore r4\n\
> ! ld r5, @r0+ ; restore r5\n\
> ! ld r6, @r0+ ; restore r6\n\
> ! ld r7, @r0+ ; restore r7\n\
> ! ld r8, @r0+ ; restore r8\n\
> ! ld r9, @r0+ ; restore r9\n\
> ! ld r10, @r0+ ; restore r10\n\
> ! ld r11, @r0+ ; restore r11\n\
> ! ld r12, @r0+ ; restore r12\n\
> ! ld r13, @r0+ ; restore r13\n\
> ! ld r14, @r0+ ; restore r14\n\
> ! ld r15, @r0+ ; restore r15\n\
> ! addi r0, #4 ; don't restore PSW (rte will do it)\n\
> ! ld r1, @r0+ ; restore cr1 == CBR (no-op, because it's read only)\n\
> ! mvtc r1, cr1\n\
> ! ld r1, @r0+ ; restore cr2 == SPI\n\
> ! mvtc r1, cr2\n\
> ! ld r1, @r0+ ; restore cr3 == SPU\n\
> ! mvtc r1, cr3\n\
> ! addi r0, #4 ; skip BPC\n\
> ! ld r1, @r0+ ; restore cr6 (BPC) == PC\n\
> ! mvtc r1, cr6\n\
> ! ld r1, @r0+ ; restore ACCL\n\
> ! mvtaclo r1\n\
> ! ld r1, @r0+ ; restore ACCH\n\
> ! mvtachi r1\n\
> ! seth r0, #shigh(registers)\n\
> ! add3 r0, r0, #low(registers)\n\
> ! ld r1, @(4,r0) ; restore r1\n\
> ! ld r0, @r0 ; restore r0\n\
> rte");
>
> /* General trap handler, called after the registers have been stashed.
> *************** static void
> *** 1323,1526 ****
> process_exception (int num)
> {
> cleanup_stash ();
> ! asm volatile ("
> ! seth r1, #shigh(stackPtr)
> ! add3 r1, r1, #low(stackPtr)
> ! ld r15, @r1 ; setup local stack (protect user stack)
> ! mv r0, %0
> ! bl handle_exception
> bl restore_and_return"
> : : "r" (num) : "r0", "r1");
> }
>
> void _catchException0 ();
>
> ! asm ("
> ! _catchException0:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #0
> bl process_exception");
>
> void _catchException1 ();
>
> ! asm ("
> ! _catchException1:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! bl cleanup_stash
> ! seth r1, #shigh(stackPtr)
> ! add3 r1, r1, #low(stackPtr)
> ! ld r15, @r1 ; setup local stack (protect user stack)
> ! seth r1, #shigh(registers + 21*4) ; PC
> ! add3 r1, r1, #low(registers + 21*4)
> ! ld r0, @r1
> ! addi r0, #-4 ; back up PC for breakpoint trap.
> ! st r0, @r1 ; FIXME: what about bp in right slot?
> ! ldi r0, #1
> ! bl handle_exception
> bl restore_and_return");
>
> void _catchException2 ();
>
> ! asm ("
> ! _catchException2:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #2
> bl process_exception");
>
> void _catchException3 ();
>
> ! asm ("
> ! _catchException3:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #3
> bl process_exception");
>
> void _catchException4 ();
>
> ! asm ("
> ! _catchException4:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #4
> bl process_exception");
>
> void _catchException5 ();
>
> ! asm ("
> ! _catchException5:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #5
> bl process_exception");
>
> void _catchException6 ();
>
> ! asm ("
> ! _catchException6:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #6
> bl process_exception");
>
> void _catchException7 ();
>
> ! asm ("
> ! _catchException7:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #7
> bl process_exception");
>
> void _catchException8 ();
>
> ! asm ("
> ! _catchException8:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #8
> bl process_exception");
>
> void _catchException9 ();
>
> ! asm ("
> ! _catchException9:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #9
> bl process_exception");
>
> void _catchException10 ();
>
> ! asm ("
> ! _catchException10:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #10
> bl process_exception");
>
> void _catchException11 ();
>
> ! asm ("
> ! _catchException11:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #11
> bl process_exception");
>
> void _catchException12 ();
>
> ! asm ("
> ! _catchException12:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #12
> bl process_exception");
>
> void _catchException13 ();
>
> ! asm ("
> ! _catchException13:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #13
> bl process_exception");
>
> void _catchException14 ();
>
> ! asm ("
> ! _catchException14:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #14
> bl process_exception");
>
> void _catchException15 ();
>
> ! asm ("
> ! _catchException15:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #15
> bl process_exception");
>
> void _catchException16 ();
>
> ! asm ("
> ! _catchException16:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #16
> bl process_exception");
>
> void _catchException17 ();
>
> ! asm ("
> ! _catchException17:
> ! push lr
> ! bl stash_registers
> ! ; Note that at this point the pushed value of `lr' has been popped
> ! ldi r0, #17
> bl process_exception");
>
>
> --- 1323,1526 ----
> process_exception (int num)
> {
> cleanup_stash ();
> ! asm volatile ("\n\
> ! seth r1, #shigh(stackPtr)\n\
> ! add3 r1, r1, #low(stackPtr)\n\
> ! ld r15, @r1 ; setup local stack (protect user stack)\n\
> ! mv r0, %0\n\
> ! bl handle_exception\n\
> bl restore_and_return"
> : : "r" (num) : "r0", "r1");
> }
>
> void _catchException0 ();
>
> ! asm ("\n\
> ! _catchException0:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #0\n\
> bl process_exception");
>
> void _catchException1 ();
>
> ! asm ("\n\
> ! _catchException1:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! bl cleanup_stash\n\
> ! seth r1, #shigh(stackPtr)\n\
> ! add3 r1, r1, #low(stackPtr)\n\
> ! ld r15, @r1 ; setup local stack (protect user stack)\n\
> ! seth r1, #shigh(registers + 21*4) ; PC\n\
> ! add3 r1, r1, #low(registers + 21*4)\n\
> ! ld r0, @r1\n\
> ! addi r0, #-4 ; back up PC for breakpoint trap.\n\
> ! st r0, @r1 ; FIXME: what about bp in right slot?\n\
> ! ldi r0, #1\n\
> ! bl handle_exception\n\
> bl restore_and_return");
>
> void _catchException2 ();
>
> ! asm ("\n\
> ! _catchException2:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #2\n\
> bl process_exception");
>
> void _catchException3 ();
>
> ! asm ("\n\
> ! _catchException3:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #3\n\
> bl process_exception");
>
> void _catchException4 ();
>
> ! asm ("\n\
> ! _catchException4:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #4\n\
> bl process_exception");
>
> void _catchException5 ();
>
> ! asm ("\n\
> ! _catchException5:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #5\n\
> bl process_exception");
>
> void _catchException6 ();
>
> ! asm ("\n\
> ! _catchException6:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #6\n\
> bl process_exception");
>
> void _catchException7 ();
>
> ! asm ("\n\
> ! _catchException7:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #7\n\
> bl process_exception");
>
> void _catchException8 ();
>
> ! asm ("\n\
> ! _catchException8:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #8\n\
> bl process_exception");
>
> void _catchException9 ();
>
> ! asm ("\n\
> ! _catchException9:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #9\n\
> bl process_exception");
>
> void _catchException10 ();
>
> ! asm ("\n\
> ! _catchException10:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #10\n\
> bl process_exception");
>
> void _catchException11 ();
>
> ! asm ("\n\
> ! _catchException11:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #11\n\
> bl process_exception");
>
> void _catchException12 ();
>
> ! asm ("\n\
> ! _catchException12:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #12\n\
> bl process_exception");
>
> void _catchException13 ();
>
> ! asm ("\n\
> ! _catchException13:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #13\n\
> bl process_exception");
>
> void _catchException14 ();
>
> ! asm ("\n\
> ! _catchException14:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #14\n\
> bl process_exception");
>
> void _catchException15 ();
>
> ! asm ("\n\
> ! _catchException15:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #15\n\
> bl process_exception");
>
> void _catchException16 ();
>
> ! asm ("\n\
> ! _catchException16:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #16\n\
> bl process_exception");
>
> void _catchException17 ();
>
> ! asm ("\n\
> ! _catchException17:\n\
> ! push lr\n\
> ! bl stash_registers\n\
> ! ; Note that at this point the pushed value of `lr' has been popped\n\
> ! ldi r0, #17\n\
> bl process_exception");
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2003-01-02 20:43 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2002-12-19 9:21 [patch] m32r-stub.c Doug Evans
2002-12-20 8:51 ` Andrew Cagney
2003-01-02 20:43 ` Michael Snyder
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