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FRAME_INIT_SAVED_REGS for x86.
- To: gdb-patches@sourceware.cygnus.com
- Subject: FRAME_INIT_SAVED_REGS for x86.
- From: jtc@redback.com (J.T. Conklin)
- Date: 13 Aug 1999 12:55:48 -0700
- Reply-To: jtc@redback.com
I made this change a while ago, back when Andrew was making similar
changes to other targets. It's been in my sources for some time, I
found it again when I was checking the differences between my
repository and the last snapshot.
--jtc
1999-08-13 J.T. Conklin <jtc@redback.com>
* config/i386/tm-i386.h (FRAME_INIT_SAVED_REGS): Replace
FRAME_FIND_SAVED_REGS.
(i386_frame_init_saved_regs): Replace i386_frame_find_saved_regs.
* i386-tdep.c (i386_frame_init_saved_regs, i386_pop_frame):
Update.
Index: i386-tdep.c
===================================================================
RCS file: /home/jtc/CVSROOT/gdb/gdb/i386-tdep.c,v
retrieving revision 1.1.1.5
diff -c -r1.1.1.5 i386-tdep.c
*** i386-tdep.c 1999/08/11 04:07:02 1.1.1.5
--- i386-tdep.c 1999/08/12 22:17:37
***************
*** 447,455 ****
*/
void
! i386_frame_find_saved_regs (fip, fsrp)
struct frame_info *fip;
- struct frame_saved_regs *fsrp;
{
long locals = -1;
unsigned char op;
--- 447,454 ----
*/
void
! i386_frame_init_saved_regs (fip)
struct frame_info *fip;
{
long locals = -1;
unsigned char op;
***************
*** 458,464 ****
CORE_ADDR pc;
int i;
! memset (fsrp, 0, sizeof *fsrp);
/* if frame is the end of a dummy, compute where the
* beginning would be
--- 457,466 ----
CORE_ADDR pc;
int i;
! if (fip->saved_regs)
! return;
!
! frame_saved_regs_zalloc (fip);
/* if frame is the end of a dummy, compute where the
* beginning would be
***************
*** 473,479 ****
for (i = 0; i < NUM_REGS; i++)
{
adr -= REGISTER_RAW_SIZE (i);
! fsrp->regs[i] = adr;
}
return;
}
--- 475,481 ----
for (i = 0; i < NUM_REGS; i++)
{
adr -= REGISTER_RAW_SIZE (i);
! fip->saved_regs[i] = adr;
}
return;
}
***************
*** 492,507 ****
break;
#ifdef I386_REGNO_TO_SYMMETRY
/* Dynix uses different internal numbering. Ick. */
! fsrp->regs[I386_REGNO_TO_SYMMETRY (op - 0x50)] = adr;
#else
! fsrp->regs[op - 0x50] = adr;
#endif
adr -= 4;
}
}
! fsrp->regs[PC_REGNUM] = fip->frame + 4;
! fsrp->regs[FP_REGNUM] = fip->frame;
}
/* return pc of first real instruction */
--- 494,509 ----
break;
#ifdef I386_REGNO_TO_SYMMETRY
/* Dynix uses different internal numbering. Ick. */
! fip->saved_regs[I386_REGNO_TO_SYMMETRY (op - 0x50)] = adr;
#else
! fip->saved_regs[op - 0x50] = adr;
#endif
adr -= 4;
}
}
! fip->saved_regs[PC_REGNUM] = fip->frame + 4;
! fip->saved_regs[FP_REGNUM] = fip->frame;
}
/* return pc of first real instruction */
***************
*** 612,626 ****
struct frame_info *frame = get_current_frame ();
CORE_ADDR fp;
int regnum;
- struct frame_saved_regs fsr;
char regbuf[MAX_REGISTER_RAW_SIZE];
fp = FRAME_FP (frame);
! get_frame_saved_regs (frame, &fsr);
for (regnum = 0; regnum < NUM_REGS; regnum++)
{
CORE_ADDR adr;
! adr = fsr.regs[regnum];
if (adr)
{
read_memory (adr, regbuf, REGISTER_RAW_SIZE (regnum));
--- 614,628 ----
struct frame_info *frame = get_current_frame ();
CORE_ADDR fp;
int regnum;
char regbuf[MAX_REGISTER_RAW_SIZE];
fp = FRAME_FP (frame);
! i386_frame_init_saved_regs (frame);
!
for (regnum = 0; regnum < NUM_REGS; regnum++)
{
CORE_ADDR adr;
! adr = frame->saved_regs[regnum];
if (adr)
{
read_memory (adr, regbuf, REGISTER_RAW_SIZE (regnum));
Index: config/i386/tm-i386.h
===================================================================
RCS file: /home/jtc/CVSROOT/gdb/gdb/config/i386/tm-i386.h,v
retrieving revision 1.1.1.3
diff -c -r1.1.1.3 tm-i386.h
*** tm-i386.h 1999/07/08 23:35:33 1.1.1.3
--- tm-i386.h 1999/08/12 22:13:52
***************
*** 242,252 ****
ways in the stack frame. sp is even more special:
the address we return for it IS the sp for the next frame. */
! #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
! { i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); }
- extern void i386_frame_find_saved_regs PARAMS ((struct frame_info *,
- struct frame_saved_regs *));
/* Things needed for making the inferior call functions. */
--- 242,250 ----
ways in the stack frame. sp is even more special:
the address we return for it IS the sp for the next frame. */
! extern void i386_frame_init_saved_regs PARAMS ((struct frame_info *));
! #define FRAME_INIT_SAVED_REGS(FI) i386_frame_init_saved_regs (FI)
/* Things needed for making the inferior call functions. */
--
J.T. Conklin
RedBack Networks