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2002-12-18 Andrew Cagney <ac131313@redhat.com>

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* rs6000-tdep.c (rs6000_init_extra_frame_info): Use
	frame_extra_info_zalloc.
	(rs6000_frame_args_address): Use get_frame_extra_info.
	(frame_get_saved_regs): Use get_frame_saved_regs.
	(frame_initial_stack_address): Use get_frame_saved_regs and
	get_frame_extra_info.
	(frame_initial_stack_address): Use get_frame_extra_info.
This commit is contained in:
Andrew Cagney 2002-12-18 15:23:22 +00:00
parent 7dc77aaa7d
commit c9012c7106
2 changed files with 33 additions and 22 deletions
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10
gdb/ChangeLog
View file

@ -1,3 +1,13 @@
2002-12-18 Andrew Cagney <ac131313@redhat.com>
* rs6000-tdep.c (rs6000_init_extra_frame_info): Use
frame_extra_info_zalloc.
(rs6000_frame_args_address): Use get_frame_extra_info.
(frame_get_saved_regs): Use get_frame_saved_regs.
(frame_initial_stack_address): Use get_frame_saved_regs and
get_frame_extra_info.
(frame_initial_stack_address): Use get_frame_extra_info.
2002-12-17 Kevin Buettner <kevinb@redhat.com>
* dve3900-rom.c (r3900_regnames): Don't use NUM_REGS to determine

45
gdb/rs6000-tdep.c
View file

@ -166,9 +166,9 @@ struct frame_extra_info
void
rs6000_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
fi->extra_info = (struct frame_extra_info *)
frame_obstack_alloc (sizeof (struct frame_extra_info));
fi->extra_info->initial_sp = 0;
struct frame_extra_info *extra_info =
frame_extra_info_zalloc (fi, sizeof (struct frame_extra_info));
extra_info->initial_sp = 0;
if (get_next_frame (fi) != NULL
&& get_frame_pc (fi) < TEXT_SEGMENT_BASE)
/* We're in get_prev_frame */
@ -197,8 +197,9 @@ rs6000_frame_init_saved_regs (struct frame_info *fi)
static CORE_ADDR
rs6000_frame_args_address (struct frame_info *fi)
{
if (fi->extra_info->initial_sp != 0)
return fi->extra_info->initial_sp;
struct frame_extra_info *extra_info = get_frame_extra_info (fi);
if (extra_info->initial_sp != 0)
return extra_info->initial_sp;
else
return frame_initial_stack_address (fi);
}
@ -1572,7 +1573,7 @@ frame_get_saved_regs (struct frame_info *fi, struct rs6000_framedata *fdatap)
struct gdbarch_tdep * tdep = gdbarch_tdep (current_gdbarch);
int wordsize = tdep->wordsize;
if (fi->saved_regs)
if (get_frame_saved_regs (fi))
return;
if (fdatap == NULL)
@ -1615,7 +1616,7 @@ frame_get_saved_regs (struct frame_info *fi, struct rs6000_framedata *fdatap)
CORE_ADDR fpr_addr = frame_addr + fdatap->fpr_offset;
for (i = fdatap->saved_fpr; i < 32; i++)
{
fi->saved_regs[FP0_REGNUM + i] = fpr_addr;
get_frame_saved_regs (fi)[FP0_REGNUM + i] = fpr_addr;
fpr_addr += 8;
}
}
@ -1629,7 +1630,7 @@ frame_get_saved_regs (struct frame_info *fi, struct rs6000_framedata *fdatap)
CORE_ADDR gpr_addr = frame_addr + fdatap->gpr_offset;
for (i = fdatap->saved_gpr; i < 32; i++)
{
fi->saved_regs[i] = gpr_addr;
get_frame_saved_regs (fi)[i] = gpr_addr;
gpr_addr += wordsize;
}
}
@ -1644,7 +1645,7 @@ frame_get_saved_regs (struct frame_info *fi, struct rs6000_framedata *fdatap)
CORE_ADDR vr_addr = frame_addr + fdatap->vr_offset;
for (i = fdatap->saved_vr; i < 32; i++)
{
fi->saved_regs[tdep->ppc_vr0_regnum + i] = vr_addr;
get_frame_saved_regs (fi)[tdep->ppc_vr0_regnum + i] = vr_addr;
vr_addr += REGISTER_RAW_SIZE (tdep->ppc_vr0_regnum);
}
}
@ -1660,8 +1661,8 @@ frame_get_saved_regs (struct frame_info *fi, struct rs6000_framedata *fdatap)
CORE_ADDR ev_addr = frame_addr + fdatap->ev_offset;
for (i = fdatap->saved_ev; i < 32; i++)
{
fi->saved_regs[tdep->ppc_ev0_regnum + i] = ev_addr;
fi->saved_regs[tdep->ppc_gp0_regnum + i] = ev_addr + 4;
get_frame_saved_regs (fi)[tdep->ppc_ev0_regnum + i] = ev_addr;
get_frame_saved_regs (fi)[tdep->ppc_gp0_regnum + i] = ev_addr + 4;
ev_addr += REGISTER_RAW_SIZE (tdep->ppc_ev0_regnum);
}
}
@ -1670,17 +1671,17 @@ frame_get_saved_regs (struct frame_info *fi, struct rs6000_framedata *fdatap)
/* If != 0, fdatap->cr_offset is the offset from the frame that holds
the CR. */
if (fdatap->cr_offset != 0)
fi->saved_regs[tdep->ppc_cr_regnum] = frame_addr + fdatap->cr_offset;
get_frame_saved_regs (fi)[tdep->ppc_cr_regnum] = frame_addr + fdatap->cr_offset;
/* If != 0, fdatap->lr_offset is the offset from the frame that holds
the LR. */
if (fdatap->lr_offset != 0)
fi->saved_regs[tdep->ppc_lr_regnum] = frame_addr + fdatap->lr_offset;
get_frame_saved_regs (fi)[tdep->ppc_lr_regnum] = frame_addr + fdatap->lr_offset;
/* If != 0, fdatap->vrsave_offset is the offset from the frame that holds
the VRSAVE. */
if (fdatap->vrsave_offset != 0)
fi->saved_regs[tdep->ppc_vrsave_regnum] = frame_addr + fdatap->vrsave_offset;
get_frame_saved_regs (fi)[tdep->ppc_vrsave_regnum] = frame_addr + fdatap->vrsave_offset;
}
/* Return the address of a frame. This is the inital %sp value when the frame
@ -1697,8 +1698,8 @@ frame_initial_stack_address (struct frame_info *fi)
/* If the initial stack pointer (frame address) of this frame is known,
just return it. */
if (fi->extra_info->initial_sp)
return fi->extra_info->initial_sp;
if (get_frame_extra_info (fi)->initial_sp)
return get_frame_extra_info (fi)->initial_sp;
/* Find out if this function is using an alloca register. */
@ -1708,7 +1709,7 @@ frame_initial_stack_address (struct frame_info *fi)
/* If saved registers of this frame are not known yet, read and
cache them. */
if (!fi->saved_regs)
if (!get_frame_saved_regs (fi))
frame_get_saved_regs (fi, &fdata);
/* If no alloca register used, then fi->frame is the value of the %sp for
@ -1716,8 +1717,8 @@ frame_initial_stack_address (struct frame_info *fi)
if (fdata.alloca_reg < 0)
{
fi->extra_info->initial_sp = get_frame_base (fi);
return fi->extra_info->initial_sp;
get_frame_extra_info (fi)->initial_sp = get_frame_base (fi);
return get_frame_extra_info (fi)->initial_sp;
}
/* There is an alloca register, use its value, in the current frame,
@ -1726,7 +1727,7 @@ frame_initial_stack_address (struct frame_info *fi)
char *tmpbuf = alloca (MAX_REGISTER_RAW_SIZE);
if (frame_register_read (fi, fdata.alloca_reg, tmpbuf))
{
fi->extra_info->initial_sp
get_frame_extra_info (fi)->initial_sp
= extract_unsigned_integer (tmpbuf,
REGISTER_RAW_SIZE (fdata.alloca_reg));
}
@ -1734,9 +1735,9 @@ frame_initial_stack_address (struct frame_info *fi)
/* NOTE: cagney/2002-04-17: At present the only time
frame_register_read will fail is when the register isn't
available. If that does happen, use the frame. */
fi->extra_info->initial_sp = get_frame_base (fi);
get_frame_extra_info (fi)->initial_sp = get_frame_base (fi);
}
return fi->extra_info->initial_sp;
return get_frame_extra_info (fi)->initial_sp;
}
/* Describe the pointer in each stack frame to the previous stack frame