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* i386-tdep.c (i386_supply_gregset): Adjust comment.

Browse Source 
(i386_collect_gregset): New function.
(i386_supply_fpregset): Adjust comment.
(i386_collect_fpregset): New function.
(i386_regset_from_core_section): Use i386_collect_gregset and
i386_collect_fpregset.
This commit is contained in:
Mark Kettenis 2004-05-30 14:13:49 +00:00
parent 8693c41972
commit 7fdafb5ae3
2 changed files with 62 additions and 8 deletions
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7
gdb/ChangeLog
View File

@ -1,5 +1,12 @@
2004-05-30 Mark Kettenis <kettenis@gnu.org>
* i386-tdep.c (i386_supply_gregset): Adjust comment.
(i386_collect_gregset): New function.
(i386_supply_fpregset): Adjust comment.
(i386_collect_fpregset): New function.
(i386_regset_from_core_section): Use i386_collect_gregset and
i386_collect_fpregset.
* hppa-tdep.c (hppa_frame_prev_register_helper): Reimplement to
handle VALUEP being null.

63
gdb/i386-tdep.c
View File

@ -1608,9 +1608,9 @@ i386_value_to_register (struct frame_info *frame, int regnum,
}
}
/* Supply register REGNUM from the general-purpose register set REGSET
to register cache REGCACHE. If REGNUM is -1, do this for all
registers in REGSET. */
/* Supply register REGNUM from the buffer specified by GREGS and LEN
in the general-purpose register set REGSET to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
void
i386_supply_gregset (const struct regset *regset, struct regcache *regcache,
@ -1630,9 +1630,33 @@ i386_supply_gregset (const struct regset *regset, struct regcache *regcache,
}
}
/* Supply register REGNUM from the floating-point register set REGSET
to register cache REGCACHE. If REGNUM is -1, do this for all
registers in REGSET. */
/* Collect register REGNUM from the register cache REGCACHE and store
it in the buffer specified by GREGS and LEN as described by the
general-purpose register set REGSET. If REGNUM is -1, do this for
all registers in REGSET. */
void
i386_collect_gregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
char *regs = gregs;
int i;
gdb_assert (len == tdep->sizeof_gregset);
for (i = 0; i < tdep->gregset_num_regs; i++)
{
if ((regnum == i || regnum == -1)
&& tdep->gregset_reg_offset[i] != -1)
regcache_raw_collect (regcache, i, regs + tdep->gregset_reg_offset[i]);
}
}
/* Supply register REGNUM from the buffer specified by FPREGS and LEN
in the floating-point register set REGSET to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
static void
i386_supply_fpregset (const struct regset *regset, struct regcache *regcache,
@ -1650,6 +1674,27 @@ i386_supply_fpregset (const struct regset *regset, struct regcache *regcache,
i387_supply_fsave (regcache, regnum, fpregs);
}
/* Supply register REGNUM from the buffer specified by FPREGS and LEN
in the floating-point register set REGSET to register cache
REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */
static void
i386_collect_fpregset (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *fpregs, size_t len)
{
const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
if (len == I387_SIZEOF_FXSAVE)
{
i387_collect_fxsave (regcache, regnum, fpregs);
return;
}
gdb_assert (len == tdep->sizeof_fpregset);
i387_collect_fsave (regcache, regnum, fpregs);
}
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
@ -1662,7 +1707,8 @@ i386_regset_from_core_section (struct gdbarch *gdbarch,
if (strcmp (sect_name, ".reg") == 0 && sect_size == tdep->sizeof_gregset)
{
if (tdep->gregset == NULL)
tdep->gregset = regset_alloc (gdbarch, i386_supply_gregset, NULL);
tdep->gregset = regset_alloc (gdbarch, i386_supply_gregset,
i386_collect_gregset);
return tdep->gregset;
}
@ -1671,7 +1717,8 @@ i386_regset_from_core_section (struct gdbarch *gdbarch,
&& sect_size == I387_SIZEOF_FXSAVE))
{
if (tdep->fpregset == NULL)
tdep->fpregset = regset_alloc (gdbarch, i386_supply_fpregset, NULL);
tdep->fpregset = regset_alloc (gdbarch, i386_supply_fpregset,
i386_collect_fpregset);
return tdep->fpregset;
}