On Tue, Oct 24, 2017 at 5:42 AM, Richard Biener
<richard.guent...@gmail.com> wrote:
> On Tue, Oct 24, 2017 at 1:14 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
>> Bootstrap GCC with Intel CET by configuring GCC with
>>
>> --with-build-config="bootstrap-cet bootstrap-debug"
>>
>> Tested on Linux/i686 and Linux/x86-64.
>>
>> OK for trunk?
>
> Ok. Do you have a simulator that understands CET yet?
There is one. I will check if it is available to public.
> Richard.
>
>> H.J.
>> ---
>> config/
>>
>> * bootstrap-cet.mk: New file.
>>
>> gcc/
>>
>> * doc/install.texi: Document bootstrap-cet.
>> ---
>> config/bootstrap-cet.mk | 4 ++++
>> gcc/doc/install.texi | 7 +++++++
>> 2 files changed, 11 insertions(+)
>> create mode 100644 config/bootstrap-cet.mk
>>
>> diff --git a/config/bootstrap-cet.mk b/config/bootstrap-cet.mk
>> new file mode 100644
>> index 00000000000..f09193a6dea
>> --- /dev/null
>> +++ b/config/bootstrap-cet.mk
>> @@ -0,0 +1,4 @@
>> +# This option enables -fcf-protection -mcet for stage2 and stage3.
>> +
>> +STAGE2_CFLAGS += -fcf-protection -mcet
>> +STAGE3_CFLAGS += -fcf-protection -mcet
>> diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
>> index da360da1c50..82a63607b2d 100644
>> --- a/gcc/doc/install.texi
>> +++ b/gcc/doc/install.texi
>> @@ -2492,6 +2492,13 @@ useful to verify the full @option{-fcompare-debug}
>> testing coverage. It
>> must be used along with @code{bootstrap-debug-lean} and
>> @code{bootstrap-debug-lib}.
>>
>> +@item @samp{bootstrap-cet}
>> +This option enables Intel CET for host tools during bootstrapping.
>> +@samp{BUILD_CONFIG=bootstrap-cet} is equivalent to adding
>> +@option{-fcf-protection -mcet} to @samp{BOOT_CFLAGS}. This option
>> +assumes that the host supports Intel CET (e.g. GNU assembler version
>> +2.30 or later).
>> +
>> @item @samp{bootstrap-time}
>> Arranges for the run time of each program started by the GCC driver,
>> built in any stage, to be logged to @file{time.log}, in the top level of
>> --
>> 2.13.6
>>
--
H.J.
