| Message ID | 20171024111423.GA27563@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add bootstrap-cet.mk to bootstrap GCC with Intel CET | expand |
On Tue, Oct 24, 2017 at 1:14 PM, H.J. Lu <hjl.tools@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? 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 >
On Tue, Oct 24, 2017 at 5:42 AM, Richard Biener <richard.guenther@gmail.com> wrote: > On Tue, Oct 24, 2017 at 1:14 PM, H.J. Lu <hjl.tools@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 >>
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