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From J.T.: Convert i386 to updated frame_saved_regs.

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Andrew Cagney
2000-02-29 13:28:24 +00:00
parent 2fc18c15d2
commit 1211c4e429
3 changed files with 24 additions and 15 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
Wed Mar 1 00:06:19 2000 Andrew Cagney <cagney@b1.cygnus.com>
From 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.
Tue Feb 29 23:56:41 2000 Andrew Cagney <cagney@b1.cygnus.com> Tue Feb 29 23:56:41 2000 Andrew Cagney <cagney@b1.cygnus.com>
From 2000-02-23 Peter Schauer <pes@regent.e-technik.tu-muenchen.de>: From 2000-02-23 Peter Schauer <pes@regent.e-technik.tu-muenchen.de>:

6
gdb/config/i386/tm-i386.h
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@ -357,11 +357,9 @@ extern int i386_frame_num_args PARAMS ((struct frame_info *));
ways in the stack frame. sp is even more special: ways in the stack frame. sp is even more special:
the address we return for it IS the sp for the next frame. */ the address we return for it IS the sp for the next frame. */
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ extern void i386_frame_init_saved_regs PARAMS ((struct frame_info *));
{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); } #define FRAME_INIT_SAVED_REGS(FI) i386_frame_init_saved_regs (FI)
extern void i386_frame_find_saved_regs PARAMS ((struct frame_info *,
struct frame_saved_regs *));
/* Things needed for making the inferior call functions. */ /* Things needed for making the inferior call functions. */

24
gdb/i386-tdep.c
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@ -475,9 +475,8 @@ i386_frame_num_args (fi)
*/ */
void void
i386_frame_find_saved_regs (fip, fsrp) i386_frame_init_saved_regs (fip)
struct frame_info *fip; struct frame_info *fip;
struct frame_saved_regs *fsrp;
{ {
long locals = -1; long locals = -1;
unsigned char op; unsigned char op;
@ -486,7 +485,10 @@ i386_frame_find_saved_regs (fip, fsrp)
CORE_ADDR pc; CORE_ADDR pc;
int i; int i;
memset (fsrp, 0, sizeof *fsrp); if (fip->saved_regs)
return;
frame_saved_regs_zalloc (fip);
/* if frame is the end of a dummy, compute where the /* if frame is the end of a dummy, compute where the
* beginning would be * beginning would be
@ -501,7 +503,7 @@ i386_frame_find_saved_regs (fip, fsrp)
for (i = 0; i < NUM_REGS; i++) for (i = 0; i < NUM_REGS; i++)
{ {
adr -= REGISTER_RAW_SIZE (i); adr -= REGISTER_RAW_SIZE (i);
fsrp->regs[i] = adr; fip->saved_regs[i] = adr;
} }
return; return;
} }
@ -520,16 +522,16 @@ i386_frame_find_saved_regs (fip, fsrp)
break; break;
#ifdef I386_REGNO_TO_SYMMETRY #ifdef I386_REGNO_TO_SYMMETRY
/* Dynix uses different internal numbering. Ick. */ /* Dynix uses different internal numbering. Ick. */
fsrp->regs[I386_REGNO_TO_SYMMETRY (op - 0x50)] = adr; fip->saved_regs[I386_REGNO_TO_SYMMETRY (op - 0x50)] = adr;
#else #else
fsrp->regs[op - 0x50] = adr; fip->saved_regs[op - 0x50] = adr;
#endif #endif
adr -= 4; adr -= 4;
} }
} }
fsrp->regs[PC_REGNUM] = fip->frame + 4; fip->saved_regs[PC_REGNUM] = fip->frame + 4;
fsrp->regs[FP_REGNUM] = fip->frame; fip->saved_regs[FP_REGNUM] = fip->frame;
} }
/* return pc of first real instruction */ /* return pc of first real instruction */
@ -640,15 +642,15 @@ i386_pop_frame ()
struct frame_info *frame = get_current_frame (); struct frame_info *frame = get_current_frame ();
CORE_ADDR fp; CORE_ADDR fp;
int regnum; int regnum;
struct frame_saved_regs fsr;
char regbuf[MAX_REGISTER_RAW_SIZE]; char regbuf[MAX_REGISTER_RAW_SIZE];
fp = FRAME_FP (frame); fp = FRAME_FP (frame);
get_frame_saved_regs (frame, &fsr); i386_frame_init_saved_regs (frame);
for (regnum = 0; regnum < NUM_REGS; regnum++) for (regnum = 0; regnum < NUM_REGS; regnum++)
{ {
CORE_ADDR adr; CORE_ADDR adr;
adr = fsr.regs[regnum]; adr = frame->saved_regs[regnum];
if (adr) if (adr)
{ {
read_memory (adr, regbuf, REGISTER_RAW_SIZE (regnum)); read_memory (adr, regbuf, REGISTER_RAW_SIZE (regnum));