Hi Drew, On Mon, Jan 15, 2024 at 01:44:17PM +0100, Andrew Jones wrote: > On Thu, Nov 30, 2023 at 04:07:03AM -0500, Shaoqin Huang wrote: > > From: Alexandru Elisei <alexandru.eli...@arm.com> > > > > There are 25 header files today (found with grep -r "#ifndef __ASSEMBLY__) > > with functionality relies on the __ASSEMBLY__ prepocessor constant being > > correctly defined to work correctly. So far, kvm-unit-tests has relied on > > the assembly files to define the constant before including any header > > files which depend on it. > > > > Let's make sure that nobody gets this wrong and define it as a compiler > > constant when compiling assembly files. __ASSEMBLY__ is now defined for all > > .S files, even those that didn't set it explicitely before. > > > > Reviewed-by: Nikos Nikoleris <nikos.nikole...@arm.com> > > Reviewed-by: Andrew Jones <andrew.jo...@linux.dev> > > Signed-off-by: Alexandru Elisei <alexandru.eli...@arm.com> > > Signed-off-by: Shaoqin Huang <shahu...@redhat.com> > > --- > > Makefile | 5 ++++- > > arm/cstart.S | 1 - > > arm/cstart64.S | 1 - > > powerpc/cstart64.S | 1 - > > 4 files changed, 4 insertions(+), 4 deletions(-) > > > > diff --git a/Makefile b/Makefile > > index 602910dd..27ed14e6 100644 > > --- a/Makefile > > +++ b/Makefile > > @@ -92,6 +92,9 @@ CFLAGS += -Woverride-init -Wmissing-prototypes > > -Wstrict-prototypes > > > > autodepend-flags = -MMD -MP -MF $(dir $*).$(notdir $*).d > > > > +AFLAGS = $(CFLAGS) > > +AFLAGS += -D__ASSEMBLY__ > > + > > LDFLAGS += -nostdlib $(no_pie) -z noexecstack > > > > $(libcflat): $(cflatobjs) > > @@ -113,7 +116,7 @@ directories: > > @mkdir -p $(OBJDIRS) > > > > %.o: %.S > > - $(CC) $(CFLAGS) -c -nostdlib -o $@ $< > > + $(CC) $(AFLAGS) -c -nostdlib -o $@ $< > > I think we can drop the two hunks above from this patch and just rely on > the compiler to add __ASSEMBLY__ for us when compiling assembly files.
I think the precompiler adds __ASSEMBLER__, not __ASSEMBLY__ [1]. Am I missing something? [1] https://gcc.gnu.org/onlinedocs/cpp/macros/predefined-macros.html#c.__ASSEMBLER__ Thanks, Alex > > Thanks, > drew > > > > > -include */.*.d */*/.*.d > > > > diff --git a/arm/cstart.S b/arm/cstart.S > > index 3dd71ed9..b24ecabc 100644 > > --- a/arm/cstart.S > > +++ b/arm/cstart.S > > @@ -5,7 +5,6 @@ > > * > > * This work is licensed under the terms of the GNU LGPL, version 2. > > */ > > -#define __ASSEMBLY__ > > #include <auxinfo.h> > > #include <asm/assembler.h> > > #include <asm/thread_info.h> > > diff --git a/arm/cstart64.S b/arm/cstart64.S > > index bc2be45a..a8ad6dc8 100644 > > --- a/arm/cstart64.S > > +++ b/arm/cstart64.S > > @@ -5,7 +5,6 @@ > > * > > * This work is licensed under the terms of the GNU GPL, version 2. > > */ > > -#define __ASSEMBLY__ > > #include <auxinfo.h> > > #include <asm/asm-offsets.h> > > #include <asm/assembler.h> > > diff --git a/powerpc/cstart64.S b/powerpc/cstart64.S > > index 34e39341..fa32ef24 100644 > > --- a/powerpc/cstart64.S > > +++ b/powerpc/cstart64.S > > @@ -5,7 +5,6 @@ > > * > > * This work is licensed under the terms of the GNU LGPL, version 2. > > */ > > -#define __ASSEMBLY__ > > #include <asm/hcall.h> > > #include <asm/ppc_asm.h> > > #include <asm/rtas.h> > > -- > > 2.40.1 > >
