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* gdbarch.sh: Added new gdbarch struct

Browse source 
core_regset_sections.
	* gdbarch.c: Refreshed.
	* gdbarch.h: Refreshed.
	* regset.h (core_regset_section): Declared.
	* linux-nat.c (linux_nat_do_thread_registers): Added
	support for the new gdbarch struct core_regset_sections.
	* utils.c (host_address_to_string): New function.
	* defs.h (host_address_to_string): New prototype.
	* i386-linux-tdep.c (i386_regset_rections): New register
	sections list for i386.
	  (i386_linux_init_abi): Initialized new gdbarch struct
	  core_regset_sections.
	* Makefile.in: Updated to reflect dependency changes.
	* ppc-linux-tdep.c (ppc_regset_sections): Register
	sections list for ppc.
	  (ppc_linux_init_abi): Initialized new gdbarch struct
	  core_regset_sections
This commit is contained in:
Carlos Eduardo Seo 2008-05-24 16:32:01 +00:00
parent bb864ac122
commit 17ea7499a9
11 changed files with 145 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

80
gdb/linux-nat.c
View file

@ -3112,15 +3112,14 @@ linux_nat_do_thread_registers (bfd *obfd, ptid_t ptid,
{
gdb_gregset_t gregs;
gdb_fpregset_t fpregs;
#ifdef FILL_FPXREGSET
gdb_fpxregset_t fpxregs;
#endif
unsigned long lwp = ptid_get_lwp (ptid);
struct regcache *regcache = get_thread_regcache (ptid);
struct gdbarch *gdbarch = get_regcache_arch (regcache);
const struct regset *regset;
int core_regset_p;
struct cleanup *old_chain;
struct core_regset_section *sect_list;
char *gdb_regset;
old_chain = save_inferior_ptid ();
inferior_ptid = ptid;
@ -3128,6 +3127,8 @@ linux_nat_do_thread_registers (bfd *obfd, ptid_t ptid,
do_cleanups (old_chain);
core_regset_p = gdbarch_regset_from_core_section_p (gdbarch);
sect_list = gdbarch_core_regset_sections (gdbarch);
if (core_regset_p
&& (regset = gdbarch_regset_from_core_section (gdbarch, ".reg",
sizeof (gregs))) != NULL
@ -3143,35 +3144,56 @@ linux_nat_do_thread_registers (bfd *obfd, ptid_t ptid,
lwp,
stop_signal, &gregs);
if (core_regset_p
&& (regset = gdbarch_regset_from_core_section (gdbarch, ".reg2",
sizeof (fpregs))) != NULL
&& regset->collect_regset != NULL)
regset->collect_regset (regset, regcache, -1,
&fpregs, sizeof (fpregs));
/* The loop below uses the new struct core_regset_section, which stores
the supported section names and sizes for the core file. Note that
note PRSTATUS needs to be treated specially. But the other notes are
structurally the same, so they can benefit from the new struct. */
if (core_regset_p && sect_list != NULL)
while (sect_list->sect_name != NULL)
{
/* .reg was already handled above. */
if (strcmp (sect_list->sect_name, ".reg") == 0)
{
sect_list++;
continue;
}
regset = gdbarch_regset_from_core_section (gdbarch,
sect_list->sect_name,
sect_list->size);
gdb_assert (regset && regset->collect_regset);
gdb_regset = xmalloc (sect_list->size);
regset->collect_regset (regset, regcache, -1,
gdb_regset, sect_list->size);
note_data = (char *) elfcore_write_register_note (obfd,
note_data,
note_size,
sect_list->sect_name,
gdb_regset,
sect_list->size);
xfree (gdb_regset);
sect_list++;
}
/* For architectures that does not have the struct core_regset_section
implemented, we use the old method. When all the architectures have
the new support, the code below should be deleted. */
else
fill_fpregset (regcache, &fpregs, -1);
{
if (core_regset_p
&& (regset = gdbarch_regset_from_core_section (gdbarch, ".reg2",
sizeof (fpregs))) != NULL
&& regset->collect_regset != NULL)
regset->collect_regset (regset, regcache, -1,
&fpregs, sizeof (fpregs));
else
fill_fpregset (regcache, &fpregs, -1);
note_data = (char *) elfcore_write_prfpreg (obfd,
note_data,
note_size,
&fpregs, sizeof (fpregs));
note_data = (char *) elfcore_write_prfpreg (obfd,
note_data,
note_size,
&fpregs, sizeof (fpregs));
}
#ifdef FILL_FPXREGSET
if (core_regset_p
&& (regset = gdbarch_regset_from_core_section (gdbarch, ".reg-xfp",
sizeof (fpxregs))) != NULL
&& regset->collect_regset != NULL)
regset->collect_regset (regset, regcache, -1,
&fpxregs, sizeof (fpxregs));
else
fill_fpxregset (regcache, &fpxregs, -1);
note_data = (char *) elfcore_write_prxfpreg (obfd,
note_data,
note_size,
&fpxregs, sizeof (fpxregs));
#endif
return note_data;
}