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* alphabsd-nat.c: Update copyright years. 

(fill_gregset): Use regcache_collect.
(fill_fpregset): Likewise.
(fetch_inferior_registers): Only fetch integer registers
if requested to do so.
(store_inferior_registers): Only store integer registers
if requested to do so.
This commit is contained in:
Jason Thorpe 2002-01-18 17:47:13 +00:00
parent 395213c846
commit e771a87134
2 changed files with 52 additions and 22 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2002-01-18 Jason Thorpe <thorpej@wasabisystems.com>
* alphabsd-nat.c: Update copyright years.
(fill_gregset): Use regcache_collect.
(fill_fpregset): Likewise.
(fetch_inferior_registers): Only fetch integer registers
if requested to do so.
(store_inferior_registers): Only store integer registers
if requested to do so.
2002-01-17 Andrew Cagney <ac131313@redhat.com>
* config/alpha/alpha-osf3.mh (XDEPFILES): Delete.

64
gdb/alphabsd-nat.c
View File

@ -1,5 +1,5 @@
/* Native-dependent code for Alpha BSD's.
Copyright 2000, 2001 Free Software Foundation, Inc.
Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
This file is part of GDB.
@ -80,13 +80,11 @@ fill_gregset (gregset_t *gregsetp, int regno)
for (i = 0; i < NUM_GREGS; i++)
if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i))
memcpy (&gregsetp->r_regs[i], &registers[REGISTER_BYTE (i)],
REGISTER_RAW_SIZE (i));
regcache_collect (i, (char *) &gregsetp->r_regs[i]);
/* The PC travels in the R_ZERO slot. */
if (regno == -1 || regno == PC_REGNUM)
memcpy (&gregsetp->r_regs[R_ZERO], &registers[REGISTER_BYTE (PC_REGNUM)],
REGISTER_RAW_SIZE (PC_REGNUM));
regcache_collect (PC_REGNUM, (char *) &gregsetp->r_regs[R_ZERO]);
}
/* Fill GDB's register array with the floating-point register values
@ -119,27 +117,43 @@ fill_fpregset (fpregset_t *fpregsetp, int regno)
for (i = FP0_REGNUM; i < FP0_REGNUM + NUM_FPREGS; i++)
if ((regno == -1 || regno == i) && ! CANNOT_STORE_REGISTER (i))
memcpy (&fpregsetp->fpr_regs[i - FP0_REGNUM],
&registers[REGISTER_BYTE (i)], REGISTER_RAW_SIZE (i));
regcache_collect (i, (char *) &fpregsetp->fpr_regs[i - FP0_REGNUM]);
if (regno == -1 || regno == FPCR_REGNUM)
memcpy (&fpregsetp->fpr_cr, &registers[REGISTER_BYTE (FPCR_REGNUM)],
REGISTER_RAW_SIZE (FPCR_REGNUM));
regcache_collect (FPCR_REGNUM, (char *) &fpregsetp->fpr_cr);
}
/* Determine if PT_GETREGS fetches this register. */
static int
getregs_supplies (int regno)
{
return ((regno >= V0_REGNUM && regno <= ZERO_REGNUM)
|| regno >= PC_REGNUM);
}
/* Fetch register REGNO from the inferior. If REGNO is -1, do this
for all registers (including the floating point registers). */
void
fetch_inferior_registers (int regno)
{
gregset_t gregs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
perror_with_name ("Couldn't get registers");
if (regno == -1 || getregs_supplies (regno))
{
gregset_t gregs;
supply_gregset (&gregs);
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
perror_with_name ("Couldn't get registers");
supply_gregset (&gregs);
if (regno != -1)
return;
}
if (regno == -1 || regno >= FP0_REGNUM)
{
@ -162,17 +176,23 @@ fetch_inferior_registers (int regno)
void
store_inferior_registers (int regno)
{
gregset_t gregs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
perror_with_name ("Couldn't get registers");
if (regno == -1 || getregs_supplies (regno))
{
gregset_t gregs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
perror_with_name ("Couldn't get registers");
fill_gregset (&gregs, regno);
fill_gregset (&gregs, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
perror_with_name ("Couldn't write registers");
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_ARG3_TYPE) &gregs, 0) == -1)
perror_with_name ("Couldn't write registers");
if (regno != -1)
return;
}
if (regno == -1 || regno >= FP0_REGNUM)
{