return xcr0;
}
-/* Get Linux/x86 target description from core dump. */
+/* See i386-linux-tdep.h. */
-static const struct target_desc *
-i386_linux_core_read_description (struct gdbarch *gdbarch,
- struct target_ops *target,
- bfd *abfd)
+const struct target_desc *
+i386_linux_read_description (uint64_t xcr0)
{
- /* Linux/i386. */
- uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
-
switch ((xcr0 & X86_XSTATE_ALL_MASK))
{
case X86_XSTATE_AVX_MPX_AVX512_PKU_MASK:
break;
}
+ return NULL;
+}
+
+/* Get Linux/x86 target description from core dump. */
+
+static const struct target_desc *
+i386_linux_core_read_description (struct gdbarch *gdbarch,
+ struct target_ops *target,
+ bfd *abfd)
+{
+ /* Linux/i386. */
+ uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
+ const struct target_desc *tdesc = i386_linux_read_description (xcr0);
+
+ if (tdesc != NULL)
+ return tdesc;
+
if (bfd_get_section_by_name (abfd, ".reg-xfp") != NULL)
- return tdesc_i386_linux;
+ return i386_linux_read_description (X86_XSTATE_SSE_MASK);
else
- return tdesc_i386_mmx_linux;
+ return i386_linux_read_description (X86_XSTATE_X87_MASK);
}
/* Similar to i386_supply_fpregset, but use XSAVE extended state. */
set_gdbarch_num_regs (gdbarch, I386_LINUX_NUM_REGS);
if (! tdesc_has_registers (tdesc))
- tdesc = tdesc_i386_linux;
+ tdesc = i386_linux_read_description (X86_XSTATE_SSE_MASK);
tdep->tdesc = tdesc;
feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");