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ARM: Replace regset_alloc() invocations by static regset structures. 

After removal of the regset_alloc invocations, the appropriate tdep
fields become obsolete and are thus removed.
This commit is contained in:
Andreas Arnez 2014-03-28 17:21:39 +00:00 committed by Andreas Krebbel
parent a069a2bdab
commit b7611c43bf
3 changed files with 27 additions and 23 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2014-05-21 Andreas Arnez <arnez@linux.vnet.ibm.com>
* arm-linux-tdep.c (arm_linux_gregset, arm_linux_fpregset)
(arm_linux_vfpregset): New static regset structures.
(arm_linux_regset_from_core_section): Remove dynamic allocation of
regset structures.
* arm-tdep.h (struct gdbarch_tdep): Remove 'gregset', 'fpregset',
and 'vfpregset' fields.
2014-05-21 Andreas Arnez <arnez@linux.vnet.ibm.com>
* aarch64-linux-tdep.c (aarch64_linux_gregset)

38
gdb/arm-linux-tdep.c
View File

@ -686,6 +686,21 @@ arm_linux_collect_vfp (const struct regset *regset,
regs + (regno - ARM_D0_REGNUM) * 8);
}
static const struct regset arm_linux_gregset =
{
NULL, arm_linux_supply_gregset, arm_linux_collect_gregset
};
static const struct regset arm_linux_fpregset =
{
NULL, arm_linux_supply_nwfpe, arm_linux_collect_nwfpe
};
static const struct regset arm_linux_vfpregset =
{
NULL, arm_linux_supply_vfp, arm_linux_collect_vfp
};
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
@ -693,34 +708,17 @@ static const struct regset *
arm_linux_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (strcmp (sect_name, ".reg") == 0
&& sect_size == ARM_LINUX_SIZEOF_GREGSET)
{
if (tdep->gregset == NULL)
tdep->gregset = regset_alloc (gdbarch, arm_linux_supply_gregset,
arm_linux_collect_gregset);
return tdep->gregset;
}
return &arm_linux_gregset;
if (strcmp (sect_name, ".reg2") == 0
&& sect_size == ARM_LINUX_SIZEOF_NWFPE)
{
if (tdep->fpregset == NULL)
tdep->fpregset = regset_alloc (gdbarch, arm_linux_supply_nwfpe,
arm_linux_collect_nwfpe);
return tdep->fpregset;
}
return &arm_linux_fpregset;
if (strcmp (sect_name, ".reg-arm-vfp") == 0
&& sect_size == ARM_LINUX_SIZEOF_VFP)
{
if (tdep->vfpregset == NULL)
tdep->vfpregset = regset_alloc (gdbarch, arm_linux_supply_vfp,
arm_linux_collect_vfp);
return tdep->vfpregset;
}
return &arm_linux_vfpregset;
return NULL;
}

3
gdb/arm-tdep.h
View File

@ -193,9 +193,6 @@ struct gdbarch_tdep
/* Convention for returning structures. */
enum struct_return struct_return;
/* Cached core file helpers. */
struct regset *gregset, *fpregset, *vfpregset;
/* ISA-specific data types. */
struct type *arm_ext_type;
struct type *neon_double_type;