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authorAndrew Cagney <cagney@redhat.com>2002-12-18 15:23:22 +0000
committerAndrew Cagney <cagney@redhat.com>2002-12-18 15:23:22 +0000
commitc9012c710642d6bb7ad0065a1099e3d3c7710d28 (patch)
treea0b28efebc8b1205d8e4570a6e4532c89dc68e0d /gdb/rs6000-tdep.c
parent7dc77aaa7d6982894ad1a424f6eaf036be77124a (diff)
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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.
Diffstat (limited to 'gdb/rs6000-tdep.c')
-rw-r--r--gdb/rs6000-tdep.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 57a8436..98cf2d9 100644
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -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