i386fbsd_core_read_xcr0 reads the value of xcr0 from the corefile. If
it fails, returns 0. This makes its caller {i386,amd64}_target_description
has to handle this special value. IMO, i386fbsd_core_read_xcr0 should
return the default xcr0 in case of error.
gdb:
2017-09-04 Yao Qi <yao.qi@linaro.org>
* i386-fbsd-tdep.c (i386fbsd_core_read_xcr0): Return
X86_XSTATE_SSE_MASK instead of 0.
2017-09-04 Yao Qi <yao.qi@linaro.org>
+ * i386-fbsd-tdep.c (i386fbsd_core_read_xcr0): Return
+ X86_XSTATE_SSE_MASK instead of 0.
+
+2017-09-04 Yao Qi <yao.qi@linaro.org>
+
* amd64-fbsd-nat.c (amd64fbsd_read_description): Call
i386_target_description.
* i386-fbsd-nat.c (i386fbsd_read_description): Call
{
warning (_("Couldn't read `xcr0' bytes from "
"`.reg-xstate' section in core file."));
- return 0;
+ return X86_XSTATE_SSE_MASK;
}
xcr0 = bfd_get_64 (abfd, contents);
}
}
else
- xcr0 = 0;
+ xcr0 = X86_XSTATE_SSE_MASK;
return xcr0;
}