* x86-64-tdep.c (x86_64_regset_from_core_section): New function.

(x86_64_init_abi): Initialize regset_from_core_section if
appropriate.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c391bf31644b380cab5d04f3c7a12f9c3a922821..20e05f37741949e0fa1b6af22bed5a3f0b2ee18e 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
 2003-10-11  Mark Kettenis  <kettenis@gnu.org>
 
+       * x86-64-tdep.c (x86_64_regset_from_core_section): New function.
+       (x86_64_init_abi): Initialize regset_from_core_section if
+       appropriate.
+
        * i386-tdep.c (i386_regset_from_core_section): New function.
        (i386_gdbarch_init): Initialize regset_from_core_section if
        appropriate.

diff --git a/gdb/x86-64-tdep.c b/gdb/x86-64-tdep.c
index 8290023df689e4533ec985b13e1382db3669b11a..351b11512c36d3e61f52721929680c0392b001ab 100644 (file)
--- a/gdb/x86-64-tdep.c
+++ b/gdb/x86-64-tdep.c
@@ -1220,6 +1220,31 @@ x86_64_supply_fpregset (const struct regset *regset, struct regcache *regcache,
   x86_64_supply_fxsave (regcache, regnum, fpregs);
 }
 
+/* Return the appropriate register set for the core section identified
+   by SECT_NAME and SECT_SIZE.  */
+
+static const struct regset *
+x86_64_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, ".reg2") == 0 && sect_size == tdep->sizeof_fpregset)
+    {
+      if (tdep->fpregset == NULL)
+       {
+         tdep->fpregset = XMALLOC (struct regset);
+         tdep->fpregset->descr = tdep;
+         tdep->fpregset->supply_regset = x86_64_supply_fpregset;
+       }
+
+      return tdep->fpregset;
+    }
+
+  return i386_regset_from_core_section (gdbarch, sect_name, sect_size);
+}
+\f
+
 void
 x86_64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
@@ -1297,6 +1322,11 @@ x86_64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   frame_unwind_append_sniffer (gdbarch, x86_64_sigtramp_frame_sniffer);
   frame_unwind_append_sniffer (gdbarch, x86_64_frame_sniffer);
   frame_base_set_default (gdbarch, &x86_64_frame_base);
+
+  /* If we have a register mapping, enable the generic core file support.  */
+  if (tdep->gregset_reg_offset)
+    set_gdbarch_regset_from_core_section (gdbarch,
+                                         x86_64_regset_from_core_section);
 }
 \f