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* i386-tdep.c (i386_regset_from_core_section): New function.

Browse source 
(i386_gdbarch_init): Initialize regset_from_core_section if
appropriate.
* i386-tdep.h (i386_regset_from_core_section): New declaration.
This commit is contained in:
Mark Kettenis 2003-10-11 13:50:25 +00:00
parent 8edc77b9b4
commit 8446b36a38
3 changed files with 52 additions and 0 deletions
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5
gdb/ChangeLog
View file

@ -1,5 +1,10 @@
2003-10-11 Mark Kettenis <kettenis@gnu.org>
* i386-tdep.c (i386_regset_from_core_section): New function.
(i386_gdbarch_init): Initialize regset_from_core_section if
appropriate.
* i386-tdep.h (i386_regset_from_core_section): New declaration.
* i386-tdep.h (struct regset): Declare opaque.
* gdbarch.sh (regset_from_core_section): New method.

41
gdb/i386-tdep.c
View file

@ -1587,6 +1587,40 @@ i386_supply_fpregset (const struct regset *regset, struct regcache *regcache,
gdb_assert (len == tdep->sizeof_fpregset);
i387_supply_fsave (regcache, regnum, fpregs);
}
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
const struct regset *
i386_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 == tdep->sizeof_gregset)
{
if (tdep->gregset == NULL)
{
tdep->gregset = XMALLOC (struct regset);
tdep->gregset->descr = tdep;
tdep->gregset->supply_regset = i386_supply_gregset;
}
return tdep->gregset;
}
if (strcmp (sect_name, ".reg2") == 0 && sect_size == tdep->sizeof_fpregset)
{
if (tdep->fpregset == NULL)
{
tdep->fpregset = XMALLOC (struct regset);
tdep->fpregset->descr = tdep;
tdep->fpregset->supply_regset = i386_supply_fpregset;
}
return tdep->fpregset;
}
return NULL;
}
#ifdef STATIC_TRANSFORM_NAME
@ -1977,6 +2011,13 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
frame_unwind_append_sniffer (gdbarch, i386_sigtramp_frame_sniffer);
frame_unwind_append_sniffer (gdbarch, i386_frame_sniffer);
/* If we have a register mapping, enable the generic core file
support, unless it has already been enabled. */
if (tdep->gregset_reg_offset
&& !gdbarch_regset_from_core_section_p (gdbarch))
set_gdbarch_regset_from_core_section (gdbarch,
i386_regset_from_core_section);
/* Unless support for MMX has been disabled, make %mm0 the first
pseudo-register. */
if (tdep->mm0_regnum == 0)

6
gdb/i386-tdep.h
View file

@ -189,6 +189,12 @@ extern char const *i386_register_name (int reg);
extern int i386_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
struct reggroup *group);
/* Return the appropriate register set for the core section identified
by SECT_NAME and SECT_SIZE. */
extern const struct regset *
i386_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size);
/* Initialize a basic ELF architecture variant. */
extern void i386_elf_init_abi (struct gdbarch_info, struct gdbarch *);