poly_int: IN_TARGET_CODE

This patch makes each target-specifc TU define an IN_TARGET_CODE macro,
which is used to decide whether poly_int<1, C> should convert to C.

2017-12-16  Richard Sandiford  <richard.sandiford@linaro.org>
	    Alan Hayward  <alan.hayward@arm.com>
	    David Sherwood  <david.sherwood@arm.com>

gcc/
	* doc/sourcebuild.texi: Document IN_TARGET_CODE.
	* genattrtab.c (write_header): Define IN_TARGET_CODE to 1 in the
	target C file.
	* genautomata.c (main): Likewise.
	* genconditions.c (write_header): Likewise.
	* genemit.c (main): Likewise.
	* genextract.c (print_header): Likewise.
	* genopinit.c (main): Likewise.
	* genoutput.c (output_prologue): Likewise.
	* genpeep.c (main): Likewise.
	* genpreds.c (write_insn_preds_c): Likewise.
	* genrecog.c (writer_header): Likewise.
	* config/aarch64/aarch64-builtins.c (IN_TARGET_CODE): Define.
	* config/aarch64/aarch64-c.c (IN_TARGET_CODE): Likewise.
	* config/aarch64/aarch64.c (IN_TARGET_CODE): Likewise.
	* config/aarch64/cortex-a57-fma-steering.c (IN_TARGET_CODE): Likewise.
	* config/aarch64/driver-aarch64.c (IN_TARGET_CODE): Likewise.
	* config/alpha/alpha.c (IN_TARGET_CODE): Likewise.
	* config/alpha/driver-alpha.c (IN_TARGET_CODE): Likewise.
	* config/arc/arc-c.c (IN_TARGET_CODE): Likewise.
	* config/arc/arc.c (IN_TARGET_CODE): Likewise.
	* config/arc/driver-arc.c (IN_TARGET_CODE): Likewise.
	* config/arm/aarch-common.c (IN_TARGET_CODE): Likewise.
	* config/arm/arm-builtins.c (IN_TARGET_CODE): Likewise.
	* config/arm/arm-c.c (IN_TARGET_CODE): Likewise.
	* config/arm/arm.c (IN_TARGET_CODE): Likewise.
	* config/arm/driver-arm.c (IN_TARGET_CODE): Likewise.
	* config/avr/avr-c.c (IN_TARGET_CODE): Likewise.
	* config/avr/avr-devices.c (IN_TARGET_CODE): Likewise.
	* config/avr/avr-log.c (IN_TARGET_CODE): Likewise.
	* config/avr/avr.c (IN_TARGET_CODE): Likewise.
	* config/avr/driver-avr.c (IN_TARGET_CODE): Likewise.
	* config/avr/gen-avr-mmcu-specs.c (IN_TARGET_CODE): Likewise.
	* config/bfin/bfin.c (IN_TARGET_CODE): Likewise.
	* config/c6x/c6x.c (IN_TARGET_CODE): Likewise.
	* config/cr16/cr16.c (IN_TARGET_CODE): Likewise.
	* config/cris/cris.c (IN_TARGET_CODE): Likewise.
	* config/darwin.c (IN_TARGET_CODE): Likewise.
	* config/epiphany/epiphany.c (IN_TARGET_CODE): Likewise.
	* config/epiphany/mode-switch-use.c (IN_TARGET_CODE): Likewise.
	* config/epiphany/resolve-sw-modes.c (IN_TARGET_CODE): Likewise.
	* config/fr30/fr30.c (IN_TARGET_CODE): Likewise.
	* config/frv/frv.c (IN_TARGET_CODE): Likewise.
	* config/ft32/ft32.c (IN_TARGET_CODE): Likewise.
	* config/h8300/h8300.c (IN_TARGET_CODE): Likewise.
	* config/i386/djgpp.c (IN_TARGET_CODE): Likewise.
	* config/i386/driver-i386.c (IN_TARGET_CODE): Likewise.
	* config/i386/driver-mingw32.c (IN_TARGET_CODE): Likewise.
	* config/i386/host-cygwin.c (IN_TARGET_CODE): Likewise.
	* config/i386/host-i386-darwin.c (IN_TARGET_CODE): Likewise.
	* config/i386/host-mingw32.c (IN_TARGET_CODE): Likewise.
	* config/i386/i386-c.c (IN_TARGET_CODE): Likewise.
	* config/i386/i386.c (IN_TARGET_CODE): Likewise.
	* config/i386/intelmic-mkoffload.c (IN_TARGET_CODE): Likewise.
	* config/i386/msformat-c.c (IN_TARGET_CODE): Likewise.
	* config/i386/winnt-cxx.c (IN_TARGET_CODE): Likewise.
	* config/i386/winnt-stubs.c (IN_TARGET_CODE): Likewise.
	* config/i386/winnt.c (IN_TARGET_CODE): Likewise.
	* config/i386/x86-tune-sched-atom.c (IN_TARGET_CODE): Likewise.
	* config/i386/x86-tune-sched-bd.c (IN_TARGET_CODE): Likewise.
	* config/i386/x86-tune-sched-core.c (IN_TARGET_CODE): Likewise.
	* config/i386/x86-tune-sched.c (IN_TARGET_CODE): Likewise.
	* config/ia64/ia64-c.c (IN_TARGET_CODE): Likewise.
	* config/ia64/ia64.c (IN_TARGET_CODE): Likewise.
	* config/iq2000/iq2000.c (IN_TARGET_CODE): Likewise.
	* config/lm32/lm32.c (IN_TARGET_CODE): Likewise.
	* config/m32c/m32c-pragma.c (IN_TARGET_CODE): Likewise.
	* config/m32c/m32c.c (IN_TARGET_CODE): Likewise.
	* config/m32r/m32r.c (IN_TARGET_CODE): Likewise.
	* config/m68k/m68k.c (IN_TARGET_CODE): Likewise.
	* config/mcore/mcore.c (IN_TARGET_CODE): Likewise.
	* config/microblaze/microblaze-c.c (IN_TARGET_CODE): Likewise.
	* config/microblaze/microblaze.c (IN_TARGET_CODE): Likewise.
	* config/mips/driver-native.c (IN_TARGET_CODE): Likewise.
	* config/mips/frame-header-opt.c (IN_TARGET_CODE): Likewise.
	* config/mips/mips.c (IN_TARGET_CODE): Likewise.
	* config/mmix/mmix.c (IN_TARGET_CODE): Likewise.
	* config/mn10300/mn10300.c (IN_TARGET_CODE): Likewise.
	* config/moxie/moxie.c (IN_TARGET_CODE): Likewise.
	* config/msp430/driver-msp430.c (IN_TARGET_CODE): Likewise.
	* config/msp430/msp430-c.c (IN_TARGET_CODE): Likewise.
	* config/msp430/msp430.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-cost.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-fp-as-gp.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-intrinsic.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-isr.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-md-auxiliary.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-memory-manipulation.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-pipelines-auxiliary.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32-predicates.c (IN_TARGET_CODE): Likewise.
	* config/nds32/nds32.c (IN_TARGET_CODE): Likewise.
	* config/nios2/nios2.c (IN_TARGET_CODE): Likewise.
	* config/nvptx/mkoffload.c (IN_TARGET_CODE): Likewise.
	* config/nvptx/nvptx.c (IN_TARGET_CODE): Likewise.
	* config/pa/pa.c (IN_TARGET_CODE): Likewise.
	* config/pdp11/pdp11.c (IN_TARGET_CODE): Likewise.
	* config/powerpcspe/driver-powerpcspe.c (IN_TARGET_CODE): Likewise.
	* config/powerpcspe/host-darwin.c (IN_TARGET_CODE): Likewise.
	* config/powerpcspe/host-ppc64-darwin.c (IN_TARGET_CODE): Likewise.
	* config/powerpcspe/powerpcspe-c.c (IN_TARGET_CODE): Likewise.
	* config/powerpcspe/powerpcspe-linux.c (IN_TARGET_CODE): Likewise.
	* config/powerpcspe/powerpcspe.c (IN_TARGET_CODE): Likewise.
	* config/riscv/riscv-builtins.c (IN_TARGET_CODE): Likewise.
	* config/riscv/riscv-c.c (IN_TARGET_CODE): Likewise.
	* config/riscv/riscv.c (IN_TARGET_CODE): Likewise.
	* config/rl78/rl78-c.c (IN_TARGET_CODE): Likewise.
	* config/rl78/rl78.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/driver-rs6000.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/host-darwin.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/host-ppc64-darwin.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/rs6000-c.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/rs6000-linux.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/rs6000-p8swap.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/rs6000-string.c (IN_TARGET_CODE): Likewise.
	* config/rs6000/rs6000.c (IN_TARGET_CODE): Likewise.
	* config/rx/rx.c (IN_TARGET_CODE): Likewise.
	* config/s390/driver-native.c (IN_TARGET_CODE): Likewise.
	* config/s390/s390-c.c (IN_TARGET_CODE): Likewise.
	* config/s390/s390.c (IN_TARGET_CODE): Likewise.
	* config/sh/sh-c.c (IN_TARGET_CODE): Likewise.
	* config/sh/sh-mem.cc (IN_TARGET_CODE): Likewise.
	* config/sh/sh.c (IN_TARGET_CODE): Likewise.
	* config/sh/sh_optimize_sett_clrt.cc (IN_TARGET_CODE): Likewise.
	* config/sh/sh_treg_combine.cc (IN_TARGET_CODE): Likewise.
	* config/sparc/driver-sparc.c (IN_TARGET_CODE): Likewise.
	* config/sparc/sparc-c.c (IN_TARGET_CODE): Likewise.
	* config/sparc/sparc.c (IN_TARGET_CODE): Likewise.
	* config/spu/spu-c.c (IN_TARGET_CODE): Likewise.
	* config/spu/spu.c (IN_TARGET_CODE): Likewise.
	* config/stormy16/stormy16.c (IN_TARGET_CODE): Likewise.
	* config/tilegx/mul-tables.c (IN_TARGET_CODE): Likewise.
	* config/tilegx/tilegx-c.c (IN_TARGET_CODE): Likewise.
	* config/tilegx/tilegx.c (IN_TARGET_CODE): Likewise.
	* config/tilepro/mul-tables.c (IN_TARGET_CODE): Likewise.
	* config/tilepro/tilepro-c.c (IN_TARGET_CODE): Likewise.
	* config/tilepro/tilepro.c (IN_TARGET_CODE): Likewise.
	* config/v850/v850-c.c (IN_TARGET_CODE): Likewise.
	* config/v850/v850.c (IN_TARGET_CODE): Likewise.
	* config/vax/vax.c (IN_TARGET_CODE): Likewise.
	* config/visium/visium.c (IN_TARGET_CODE): Likewise.
	* config/vms/vms-c.c (IN_TARGET_CODE): Likewise.
	* config/vms/vms-f.c (IN_TARGET_CODE): Likewise.
	* config/vms/vms.c (IN_TARGET_CODE): Likewise.
	* config/xtensa/xtensa.c (IN_TARGET_CODE): Likewise.

Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>

From-SVN: r255743

144 files changed, 435 insertions, 0 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 843f4927828..841e6edace2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2,6 +2,155 @@
 	    Alan Hayward  <alan.hayward@arm.com>
 	    David Sherwood  <david.sherwood@arm.com>
 
+	* doc/sourcebuild.texi: Document IN_TARGET_CODE.
+	* genattrtab.c (write_header): Define IN_TARGET_CODE to 1 in the
+	target C file.
+	* genautomata.c (main): Likewise.
+	* genconditions.c (write_header): Likewise.
+	* genemit.c (main): Likewise.
+	* genextract.c (print_header): Likewise.
+	* genopinit.c (main): Likewise.
+	* genoutput.c (output_prologue): Likewise.
+	* genpeep.c (main): Likewise.
+	* genpreds.c (write_insn_preds_c): Likewise.
+	* genrecog.c (writer_header): Likewise.
+	* config/aarch64/aarch64-builtins.c (IN_TARGET_CODE): Define.
+	* config/aarch64/aarch64-c.c (IN_TARGET_CODE): Likewise.
+	* config/aarch64/aarch64.c (IN_TARGET_CODE): Likewise.
+	* config/aarch64/cortex-a57-fma-steering.c (IN_TARGET_CODE): Likewise.
+	* config/aarch64/driver-aarch64.c (IN_TARGET_CODE): Likewise.
+	* config/alpha/alpha.c (IN_TARGET_CODE): Likewise.
+	* config/alpha/driver-alpha.c (IN_TARGET_CODE): Likewise.
+	* config/arc/arc-c.c (IN_TARGET_CODE): Likewise.
+	* config/arc/arc.c (IN_TARGET_CODE): Likewise.
+	* config/arc/driver-arc.c (IN_TARGET_CODE): Likewise.
+	* config/arm/aarch-common.c (IN_TARGET_CODE): Likewise.
+	* config/arm/arm-builtins.c (IN_TARGET_CODE): Likewise.
+	* config/arm/arm-c.c (IN_TARGET_CODE): Likewise.
+	* config/arm/arm.c (IN_TARGET_CODE): Likewise.
+	* config/arm/driver-arm.c (IN_TARGET_CODE): Likewise.
+	* config/avr/avr-c.c (IN_TARGET_CODE): Likewise.
+	* config/avr/avr-devices.c (IN_TARGET_CODE): Likewise.
+	* config/avr/avr-log.c (IN_TARGET_CODE): Likewise.
+	* config/avr/avr.c (IN_TARGET_CODE): Likewise.
+	* config/avr/driver-avr.c (IN_TARGET_CODE): Likewise.
+	* config/avr/gen-avr-mmcu-specs.c (IN_TARGET_CODE): Likewise.
+	* config/bfin/bfin.c (IN_TARGET_CODE): Likewise.
+	* config/c6x/c6x.c (IN_TARGET_CODE): Likewise.
+	* config/cr16/cr16.c (IN_TARGET_CODE): Likewise.
+	* config/cris/cris.c (IN_TARGET_CODE): Likewise.
+	* config/darwin.c (IN_TARGET_CODE): Likewise.
+	* config/epiphany/epiphany.c (IN_TARGET_CODE): Likewise.
+	* config/epiphany/mode-switch-use.c (IN_TARGET_CODE): Likewise.
+	* config/epiphany/resolve-sw-modes.c (IN_TARGET_CODE): Likewise.
+	* config/fr30/fr30.c (IN_TARGET_CODE): Likewise.
+	* config/frv/frv.c (IN_TARGET_CODE): Likewise.
+	* config/ft32/ft32.c (IN_TARGET_CODE): Likewise.
+	* config/h8300/h8300.c (IN_TARGET_CODE): Likewise.
+	* config/i386/djgpp.c (IN_TARGET_CODE): Likewise.
+	* config/i386/driver-i386.c (IN_TARGET_CODE): Likewise.
+	* config/i386/driver-mingw32.c (IN_TARGET_CODE): Likewise.
+	* config/i386/host-cygwin.c (IN_TARGET_CODE): Likewise.
+	* config/i386/host-i386-darwin.c (IN_TARGET_CODE): Likewise.
+	* config/i386/host-mingw32.c (IN_TARGET_CODE): Likewise.
+	* config/i386/i386-c.c (IN_TARGET_CODE): Likewise.
+	* config/i386/i386.c (IN_TARGET_CODE): Likewise.
+	* config/i386/intelmic-mkoffload.c (IN_TARGET_CODE): Likewise.
+	* config/i386/msformat-c.c (IN_TARGET_CODE): Likewise.
+	* config/i386/winnt-cxx.c (IN_TARGET_CODE): Likewise.
+	* config/i386/winnt-stubs.c (IN_TARGET_CODE): Likewise.
+	* config/i386/winnt.c (IN_TARGET_CODE): Likewise.
+	* config/i386/x86-tune-sched-atom.c (IN_TARGET_CODE): Likewise.
+	* config/i386/x86-tune-sched-bd.c (IN_TARGET_CODE): Likewise.
+	* config/i386/x86-tune-sched-core.c (IN_TARGET_CODE): Likewise.
+	* config/i386/x86-tune-sched.c (IN_TARGET_CODE): Likewise.
+	* config/ia64/ia64-c.c (IN_TARGET_CODE): Likewise.
+	* config/ia64/ia64.c (IN_TARGET_CODE): Likewise.
+	* config/iq2000/iq2000.c (IN_TARGET_CODE): Likewise.
+	* config/lm32/lm32.c (IN_TARGET_CODE): Likewise.
+	* config/m32c/m32c-pragma.c (IN_TARGET_CODE): Likewise.
+	* config/m32c/m32c.c (IN_TARGET_CODE): Likewise.
+	* config/m32r/m32r.c (IN_TARGET_CODE): Likewise.
+	* config/m68k/m68k.c (IN_TARGET_CODE): Likewise.
+	* config/mcore/mcore.c (IN_TARGET_CODE): Likewise.
+	* config/microblaze/microblaze-c.c (IN_TARGET_CODE): Likewise.
+	* config/microblaze/microblaze.c (IN_TARGET_CODE): Likewise.
+	* config/mips/driver-native.c (IN_TARGET_CODE): Likewise.
+	* config/mips/frame-header-opt.c (IN_TARGET_CODE): Likewise.
+	* config/mips/mips.c (IN_TARGET_CODE): Likewise.
+	* config/mmix/mmix.c (IN_TARGET_CODE): Likewise.
+	* config/mn10300/mn10300.c (IN_TARGET_CODE): Likewise.
+	* config/moxie/moxie.c (IN_TARGET_CODE): Likewise.
+	* config/msp430/driver-msp430.c (IN_TARGET_CODE): Likewise.
+	* config/msp430/msp430-c.c (IN_TARGET_CODE): Likewise.
+	* config/msp430/msp430.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-cost.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-fp-as-gp.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-intrinsic.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-isr.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-md-auxiliary.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-memory-manipulation.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-pipelines-auxiliary.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32-predicates.c (IN_TARGET_CODE): Likewise.
+	* config/nds32/nds32.c (IN_TARGET_CODE): Likewise.
+	* config/nios2/nios2.c (IN_TARGET_CODE): Likewise.
+	* config/nvptx/mkoffload.c (IN_TARGET_CODE): Likewise.
+	* config/nvptx/nvptx.c (IN_TARGET_CODE): Likewise.
+	* config/pa/pa.c (IN_TARGET_CODE): Likewise.
+	* config/pdp11/pdp11.c (IN_TARGET_CODE): Likewise.
+	* config/powerpcspe/driver-powerpcspe.c (IN_TARGET_CODE): Likewise.
+	* config/powerpcspe/host-darwin.c (IN_TARGET_CODE): Likewise.
+	* config/powerpcspe/host-ppc64-darwin.c (IN_TARGET_CODE): Likewise.
+	* config/powerpcspe/powerpcspe-c.c (IN_TARGET_CODE): Likewise.
+	* config/powerpcspe/powerpcspe-linux.c (IN_TARGET_CODE): Likewise.
+	* config/powerpcspe/powerpcspe.c (IN_TARGET_CODE): Likewise.
+	* config/riscv/riscv-builtins.c (IN_TARGET_CODE): Likewise.
+	* config/riscv/riscv-c.c (IN_TARGET_CODE): Likewise.
+	* config/riscv/riscv.c (IN_TARGET_CODE): Likewise.
+	* config/rl78/rl78-c.c (IN_TARGET_CODE): Likewise.
+	* config/rl78/rl78.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/driver-rs6000.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/host-darwin.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/host-ppc64-darwin.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/rs6000-c.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/rs6000-linux.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/rs6000-p8swap.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/rs6000-string.c (IN_TARGET_CODE): Likewise.
+	* config/rs6000/rs6000.c (IN_TARGET_CODE): Likewise.
+	* config/rx/rx.c (IN_TARGET_CODE): Likewise.
+	* config/s390/driver-native.c (IN_TARGET_CODE): Likewise.
+	* config/s390/s390-c.c (IN_TARGET_CODE): Likewise.
+	* config/s390/s390.c (IN_TARGET_CODE): Likewise.
+	* config/sh/sh-c.c (IN_TARGET_CODE): Likewise.
+	* config/sh/sh-mem.cc (IN_TARGET_CODE): Likewise.
+	* config/sh/sh.c (IN_TARGET_CODE): Likewise.
+	* config/sh/sh_optimize_sett_clrt.cc (IN_TARGET_CODE): Likewise.
+	* config/sh/sh_treg_combine.cc (IN_TARGET_CODE): Likewise.
+	* config/sparc/driver-sparc.c (IN_TARGET_CODE): Likewise.
+	* config/sparc/sparc-c.c (IN_TARGET_CODE): Likewise.
+	* config/sparc/sparc.c (IN_TARGET_CODE): Likewise.
+	* config/spu/spu-c.c (IN_TARGET_CODE): Likewise.
+	* config/spu/spu.c (IN_TARGET_CODE): Likewise.
+	* config/stormy16/stormy16.c (IN_TARGET_CODE): Likewise.
+	* config/tilegx/mul-tables.c (IN_TARGET_CODE): Likewise.
+	* config/tilegx/tilegx-c.c (IN_TARGET_CODE): Likewise.
+	* config/tilegx/tilegx.c (IN_TARGET_CODE): Likewise.
+	* config/tilepro/mul-tables.c (IN_TARGET_CODE): Likewise.
+	* config/tilepro/tilepro-c.c (IN_TARGET_CODE): Likewise.
+	* config/tilepro/tilepro.c (IN_TARGET_CODE): Likewise.
+	* config/v850/v850-c.c (IN_TARGET_CODE): Likewise.
+	* config/v850/v850.c (IN_TARGET_CODE): Likewise.
+	* config/vax/vax.c (IN_TARGET_CODE): Likewise.
+	* config/visium/visium.c (IN_TARGET_CODE): Likewise.
+	* config/vms/vms-c.c (IN_TARGET_CODE): Likewise.
+	* config/vms/vms-f.c (IN_TARGET_CODE): Likewise.
+	* config/vms/vms.c (IN_TARGET_CODE): Likewise.
+	* config/xtensa/xtensa.c (IN_TARGET_CODE): Likewise.
+
+2017-12-16  Richard Sandiford  <richard.sandiford@linaro.org>
+	    Alan Hayward  <alan.hayward@arm.com>
+	    David Sherwood  <david.sherwood@arm.com>
+
 	* tree-ssa-sccvn.c (vn_reference_lookup_3): Avoid repeated
 	checks for MEM_REF.
 
diff --git a/gcc/config/aarch64/aarch64-builtins.c b/gcc/config/aarch64/aarch64-builtins.c
index 8cbdb011203..29955a3fecf 100644
--- a/gcc/config/aarch64/aarch64-builtins.c
+++ b/gcc/config/aarch64/aarch64-builtins.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/aarch64/aarch64-c.c b/gcc/config/aarch64/aarch64-c.c
index e18ec4a0aad..81d7fea53a1 100644
--- a/gcc/config/aarch64/aarch64-c.c
+++ b/gcc/config/aarch64/aarch64-c.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index b9c17fc5ccc..d10fa168875 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #define INCLUDE_STRING
 #include "system.h"
diff --git a/gcc/config/aarch64/cortex-a57-fma-steering.c b/gcc/config/aarch64/cortex-a57-fma-steering.c
index fa8c56aab02..a07fc9c39f4 100644
--- a/gcc/config/aarch64/cortex-a57-fma-steering.c
+++ b/gcc/config/aarch64/cortex-a57-fma-steering.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #define INCLUDE_LIST
 #include "system.h"
diff --git a/gcc/config/aarch64/driver-aarch64.c b/gcc/config/aarch64/driver-aarch64.c
index 75de645a0cf..dedd482f395 100644
--- a/gcc/config/aarch64/driver-aarch64.c
+++ b/gcc/config/aarch64/driver-aarch64.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #define INCLUDE_STRING
 #include "system.h"
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index 63821fc6235..16ca93d6bdb 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -19,6 +19,8 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/alpha/driver-alpha.c b/gcc/config/alpha/driver-alpha.c
index 6eaa586913b..f2dba39712c 100644
--- a/gcc/config/alpha/driver-alpha.c
+++ b/gcc/config/alpha/driver-alpha.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/arc/arc-c.c b/gcc/config/arc/arc-c.c
index 44ff338c269..7f4a4deec0b 100644
--- a/gcc/config/arc/arc-c.c
+++ b/gcc/config/arc/arc-c.c
@@ -17,6 +17,8 @@
    <http://www.gnu.org/licenses/>.
 */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index 3fc867f09c4..d1d0d727df1 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -28,6 +28,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/arc/driver-arc.c b/gcc/config/arc/driver-arc.c
index 0e13878ff73..6d571d1bf58 100644
--- a/gcc/config/arc/driver-arc.c
+++ b/gcc/config/arc/driver-arc.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/arm/aarch-common.c b/gcc/config/arm/aarch-common.c
index 979f86e5bed..34751aff8a3 100644
--- a/gcc/config/arm/aarch-common.c
+++ b/gcc/config/arm/aarch-common.c
@@ -21,6 +21,8 @@
    <http://www.gnu.org/licenses/>.  */
 
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/arm/arm-builtins.c b/gcc/config/arm/arm-builtins.c
index 6d1b20c80f9..d09c6e371de 100644
--- a/gcc/config/arm/arm-builtins.c
+++ b/gcc/config/arm/arm-builtins.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/arm/arm-c.c b/gcc/config/arm/arm-c.c
index 295f03bf8ee..635bc3c1c38 100644
--- a/gcc/config/arm/arm-c.c
+++ b/gcc/config/arm/arm-c.c
@@ -16,6 +16,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index 1b2bcc3f74f..3252f849ad2 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -20,6 +20,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #define INCLUDE_STRING
 #include "system.h"
diff --git a/gcc/config/arm/driver-arm.c b/gcc/config/arm/driver-arm.c
index 86212315f13..280f4202920 100644
--- a/gcc/config/arm/driver-arm.c
+++ b/gcc/config/arm/driver-arm.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/avr/avr-c.c b/gcc/config/avr/avr-c.c
index e47cefaae2e..aaab8e65eaa 100644
--- a/gcc/config/avr/avr-c.c
+++ b/gcc/config/avr/avr-c.c
@@ -19,6 +19,8 @@
 
 /* Not included in avr.c since this requires C front end.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/avr/avr-devices.c b/gcc/config/avr/avr-devices.c
index 9961588eef7..07f1976085d 100644
--- a/gcc/config/avr/avr-devices.c
+++ b/gcc/config/avr/avr-devices.c
@@ -18,6 +18,8 @@
    <http://www.gnu.org/licenses/>.  */
 
 #ifndef IN_GEN_AVR_MMCU_TEXI
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/avr/avr-log.c b/gcc/config/avr/avr-log.c
index aacaed04ef1..e3a821a4844 100644
--- a/gcc/config/avr/avr-log.c
+++ b/gcc/config/avr/avr-log.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c
index 39decb820c2..8a28950dfab 100644
--- a/gcc/config/avr/avr.c
+++ b/gcc/config/avr/avr.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "intl.h"
diff --git a/gcc/config/avr/driver-avr.c b/gcc/config/avr/driver-avr.c
index c27cc5c2937..fe17e2df151 100644
--- a/gcc/config/avr/driver-avr.c
+++ b/gcc/config/avr/driver-avr.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/avr/gen-avr-mmcu-specs.c b/gcc/config/avr/gen-avr-mmcu-specs.c
index b923aa4ee3c..e09f3e46502 100644
--- a/gcc/config/avr/gen-avr-mmcu-specs.c
+++ b/gcc/config/avr/gen-avr-mmcu-specs.c
@@ -21,6 +21,8 @@
 #include <stdio.h>
 #include <string.h>
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 
 #define IN_GEN_AVR_MMCU_TEXI
diff --git a/gcc/config/bfin/bfin.c b/gcc/config/bfin/bfin.c
index 96ef232f085..d4460b53d74 100644
--- a/gcc/config/bfin/bfin.c
+++ b/gcc/config/bfin/bfin.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/c6x/c6x.c b/gcc/config/c6x/c6x.c
index cbc44ecf0ff..ab67577d0a6 100644
--- a/gcc/config/c6x/c6x.c
+++ b/gcc/config/c6x/c6x.c
@@ -19,6 +19,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/cr16/cr16.c b/gcc/config/cr16/cr16.c
index 70c0e34ed8e..2dd30fad85a 100644
--- a/gcc/config/cr16/cr16.c
+++ b/gcc/config/cr16/cr16.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/cris/cris.c b/gcc/config/cris/cris.c
index 8fa234f7ff0..a31e74358e1 100644
--- a/gcc/config/cris/cris.c
+++ b/gcc/config/cris/cris.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/darwin.c b/gcc/config/darwin.c
index e633b88f6b0..7d3b754fd3e 100644
--- a/gcc/config/darwin.c
+++ b/gcc/config/darwin.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/epiphany/epiphany.c b/gcc/config/epiphany/epiphany.c
index 912823160da..af296c61148 100644
--- a/gcc/config/epiphany/epiphany.c
+++ b/gcc/config/epiphany/epiphany.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/epiphany/mode-switch-use.c b/gcc/config/epiphany/mode-switch-use.c
index 394ce5e841c..d607ead56b0 100644
--- a/gcc/config/epiphany/mode-switch-use.c
+++ b/gcc/config/epiphany/mode-switch-use.c
@@ -19,6 +19,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/epiphany/resolve-sw-modes.c b/gcc/config/epiphany/resolve-sw-modes.c
index f38e2104c9e..36e4672e77b 100644
--- a/gcc/config/epiphany/resolve-sw-modes.c
+++ b/gcc/config/epiphany/resolve-sw-modes.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/fr30/fr30.c b/gcc/config/fr30/fr30.c
index 91884811f17..920e65aaa29 100644
--- a/gcc/config/fr30/fr30.c
+++ b/gcc/config/fr30/fr30.c
@@ -20,6 +20,8 @@
 
 /*{{{  Includes */ 
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/frv/frv.c b/gcc/config/frv/frv.c
index c9877e74d7c..b644a63d48e 100644
--- a/gcc/config/frv/frv.c
+++ b/gcc/config/frv/frv.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/ft32/ft32.c b/gcc/config/ft32/ft32.c
index d7d41a2f3ca..ddc847a8eb8 100644
--- a/gcc/config/ft32/ft32.c
+++ b/gcc/config/ft32/ft32.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c
index dd5b69c44f2..c574375df63 100644
--- a/gcc/config/h8300/h8300.c
+++ b/gcc/config/h8300/h8300.c
@@ -19,6 +19,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/djgpp.c b/gcc/config/i386/djgpp.c
index a949fab7684..54c11537875 100644
--- a/gcc/config/i386/djgpp.c
+++ b/gcc/config/i386/djgpp.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/driver-i386.c b/gcc/config/i386/driver-i386.c
index 0cc4c4e96d6..013107ae722 100644
--- a/gcc/config/i386/driver-i386.c
+++ b/gcc/config/i386/driver-i386.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/driver-mingw32.c b/gcc/config/i386/driver-mingw32.c
index b70363ad26a..bc3cacd3e25 100644
--- a/gcc/config/i386/driver-mingw32.c
+++ b/gcc/config/i386/driver-mingw32.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 
 /* When defined, force the use (if non null) or not (otherwise) of CLI
diff --git a/gcc/config/i386/host-cygwin.c b/gcc/config/i386/host-cygwin.c
index 7817752ad5b..abe6b52873c 100644
--- a/gcc/config/i386/host-cygwin.c
+++ b/gcc/config/i386/host-cygwin.c
@@ -17,6 +17,8 @@
  along with GCC; see the file COPYING3.  If not see
  <http://www.gnu.org/licenses/>. */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/host-i386-darwin.c b/gcc/config/i386/host-i386-darwin.c
index 3d7d2b4b535..d360380c35f 100644
--- a/gcc/config/i386/host-i386-darwin.c
+++ b/gcc/config/i386/host-i386-darwin.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/host-mingw32.c b/gcc/config/i386/host-mingw32.c
index 68100b7a226..5d2c608e113 100644
--- a/gcc/config/i386/host-mingw32.c
+++ b/gcc/config/i386/host-mingw32.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/i386-c.c b/gcc/config/i386/i386-c.c
index 8ccec7bc29f..072e49bbc0f 100644
--- a/gcc/config/i386/i386-c.c
+++ b/gcc/config/i386/i386-c.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 551395f4e54..b9f6e27f9b1 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/intelmic-mkoffload.c b/gcc/config/i386/intelmic-mkoffload.c
index 2cc01086f63..0b7c9548d19 100644
--- a/gcc/config/i386/intelmic-mkoffload.c
+++ b/gcc/config/i386/intelmic-mkoffload.c
@@ -20,6 +20,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include <libgen.h>
 #include "system.h"
diff --git a/gcc/config/i386/msformat-c.c b/gcc/config/i386/msformat-c.c
index 716a5c68cac..6006d9b0017 100644
--- a/gcc/config/i386/msformat-c.c
+++ b/gcc/config/i386/msformat-c.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/winnt-cxx.c b/gcc/config/i386/winnt-cxx.c
index a3569fb1b56..532d9c993ba 100644
--- a/gcc/config/i386/winnt-cxx.c
+++ b/gcc/config/i386/winnt-cxx.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/winnt-stubs.c b/gcc/config/i386/winnt-stubs.c
index bd5588b9d0d..52a2bbf613e 100644
--- a/gcc/config/i386/winnt-stubs.c
+++ b/gcc/config/i386/winnt-stubs.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/winnt.c b/gcc/config/i386/winnt.c
index 61d94d264f0..2f8518e1f1d 100644
--- a/gcc/config/i386/winnt.c
+++ b/gcc/config/i386/winnt.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/x86-tune-sched-atom.c b/gcc/config/i386/x86-tune-sched-atom.c
index 86942c0703d..9e9f253d5c3 100644
--- a/gcc/config/i386/x86-tune-sched-atom.c
+++ b/gcc/config/i386/x86-tune-sched-atom.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/x86-tune-sched-bd.c b/gcc/config/i386/x86-tune-sched-bd.c
index c862fc156e2..0045c631bbc 100644
--- a/gcc/config/i386/x86-tune-sched-bd.c
+++ b/gcc/config/i386/x86-tune-sched-bd.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/x86-tune-sched-core.c b/gcc/config/i386/x86-tune-sched-core.c
index 67b14a708e8..70e8556a1db 100644
--- a/gcc/config/i386/x86-tune-sched-core.c
+++ b/gcc/config/i386/x86-tune-sched-core.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/i386/x86-tune-sched.c b/gcc/config/i386/x86-tune-sched.c
index 5bcaf2c59da..4902d947571 100644
--- a/gcc/config/i386/x86-tune-sched.c
+++ b/gcc/config/i386/x86-tune-sched.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/ia64/ia64-c.c b/gcc/config/ia64/ia64-c.c
index 3319cbc7f66..37791f3e71a 100644
--- a/gcc/config/ia64/ia64-c.c
+++ b/gcc/config/ia64/ia64-c.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c
index b16c3401aa0..f99bea98d21 100644
--- a/gcc/config/ia64/ia64.c
+++ b/gcc/config/ia64/ia64.c
@@ -19,6 +19,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/iq2000/iq2000.c b/gcc/config/iq2000/iq2000.c
index 2e0c6f6a975..ee107cbd81f 100644
--- a/gcc/config/iq2000/iq2000.c
+++ b/gcc/config/iq2000/iq2000.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/lm32/lm32.c b/gcc/config/lm32/lm32.c
index 1d6cfa0dc8a..9677087cf0f 100644
--- a/gcc/config/lm32/lm32.c
+++ b/gcc/config/lm32/lm32.c
@@ -19,6 +19,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/m32c/m32c-pragma.c b/gcc/config/m32c/m32c-pragma.c
index 68aa2287222..c44e59c4aa6 100644
--- a/gcc/config/m32c/m32c-pragma.c
+++ b/gcc/config/m32c/m32c-pragma.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/m32c/m32c.c b/gcc/config/m32c/m32c.c
index 244e6bcc160..f6b711eaf6d 100644
--- a/gcc/config/m32c/m32c.c
+++ b/gcc/config/m32c/m32c.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c
index 830e7e742fb..dbc1baec190 100644
--- a/gcc/config/m32r/m32r.c
+++ b/gcc/config/m32r/m32r.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index 075ab47cc0b..9e428304a5d 100644
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/mcore/mcore.c b/gcc/config/mcore/mcore.c
index 4bd1671f99d..57447e6d2cd 100644
--- a/gcc/config/mcore/mcore.c
+++ b/gcc/config/mcore/mcore.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/microblaze/microblaze-c.c b/gcc/config/microblaze/microblaze-c.c
index 0c9a6af1bb4..6dd4be6cc11 100644
--- a/gcc/config/microblaze/microblaze-c.c
+++ b/gcc/config/microblaze/microblaze-c.c
@@ -19,6 +19,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c
index a808bd06133..acebb52d6cb 100644
--- a/gcc/config/microblaze/microblaze.c
+++ b/gcc/config/microblaze/microblaze.c
@@ -19,6 +19,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/mips/driver-native.c b/gcc/config/mips/driver-native.c
index e1261a0bc98..48952160bed 100644
--- a/gcc/config/mips/driver-native.c
+++ b/gcc/config/mips/driver-native.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/mips/frame-header-opt.c b/gcc/config/mips/frame-header-opt.c
index 8c41562ab4f..2a960d692f4 100644
--- a/gcc/config/mips/frame-header-opt.c
+++ b/gcc/config/mips/frame-header-opt.c
@@ -23,6 +23,8 @@ along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "context.h"
diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c
index d6f7e28c030..4f6eb8441fe 100644
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -21,6 +21,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/mmix/mmix.c b/gcc/config/mmix/mmix.c
index 4a73162c18c..038c394705b 100644
--- a/gcc/config/mmix/mmix.c
+++ b/gcc/config/mmix/mmix.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/mn10300/mn10300.c b/gcc/config/mn10300/mn10300.c
index 8351a5ef959..705f577c0fc 100644
--- a/gcc/config/mn10300/mn10300.c
+++ b/gcc/config/mn10300/mn10300.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/moxie/moxie.c b/gcc/config/moxie/moxie.c
index 49012374858..f570c06b55d 100644
--- a/gcc/config/moxie/moxie.c
+++ b/gcc/config/moxie/moxie.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/msp430/driver-msp430.c b/gcc/config/msp430/driver-msp430.c
index bad70bb6fa7..fa1d90b13a4 100644
--- a/gcc/config/msp430/driver-msp430.c
+++ b/gcc/config/msp430/driver-msp430.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/msp430/msp430-c.c b/gcc/config/msp430/msp430-c.c
index 6ec5b03c602..7293fb6606f 100644
--- a/gcc/config/msp430/msp430-c.c
+++ b/gcc/config/msp430/msp430-c.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/msp430/msp430.c b/gcc/config/msp430/msp430.c
index e8f4c9f3652..46cbaa7b8d8 100644
--- a/gcc/config/msp430/msp430.c
+++ b/gcc/config/msp430/msp430.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-cost.c b/gcc/config/nds32/nds32-cost.c
index c507517ee8d..8f7c316766b 100644
--- a/gcc/config/nds32/nds32-cost.c
+++ b/gcc/config/nds32/nds32-cost.c
@@ -20,6 +20,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-fp-as-gp.c b/gcc/config/nds32/nds32-fp-as-gp.c
index 6b340b90f72..743179b6313 100644
--- a/gcc/config/nds32/nds32-fp-as-gp.c
+++ b/gcc/config/nds32/nds32-fp-as-gp.c
@@ -20,6 +20,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-intrinsic.c b/gcc/config/nds32/nds32-intrinsic.c
index 86d2ed180a1..064a8c1731d 100644
--- a/gcc/config/nds32/nds32-intrinsic.c
+++ b/gcc/config/nds32/nds32-intrinsic.c
@@ -20,6 +20,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-isr.c b/gcc/config/nds32/nds32-isr.c
index 933072c2863..698315e1fc4 100644
--- a/gcc/config/nds32/nds32-isr.c
+++ b/gcc/config/nds32/nds32-isr.c
@@ -20,6 +20,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-md-auxiliary.c b/gcc/config/nds32/nds32-md-auxiliary.c
index 5888438ffd4..b4041df6b66 100644
--- a/gcc/config/nds32/nds32-md-auxiliary.c
+++ b/gcc/config/nds32/nds32-md-auxiliary.c
@@ -21,6 +21,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-memory-manipulation.c b/gcc/config/nds32/nds32-memory-manipulation.c
index 5bc1f9b5396..5503dba8036 100644
--- a/gcc/config/nds32/nds32-memory-manipulation.c
+++ b/gcc/config/nds32/nds32-memory-manipulation.c
@@ -21,6 +21,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-pipelines-auxiliary.c b/gcc/config/nds32/nds32-pipelines-auxiliary.c
index c0fd54dbba2..603ca7e69bf 100644
--- a/gcc/config/nds32/nds32-pipelines-auxiliary.c
+++ b/gcc/config/nds32/nds32-pipelines-auxiliary.c
@@ -21,6 +21,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32-predicates.c b/gcc/config/nds32/nds32-predicates.c
index b6cff20b0cb..32aec3c7163 100644
--- a/gcc/config/nds32/nds32-predicates.c
+++ b/gcc/config/nds32/nds32-predicates.c
@@ -20,6 +20,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nds32/nds32.c b/gcc/config/nds32/nds32.c
index e4ba5ff8cb6..99c3dd077c2 100644
--- a/gcc/config/nds32/nds32.c
+++ b/gcc/config/nds32/nds32.c
@@ -20,6 +20,8 @@
 
 /* ------------------------------------------------------------------------ */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nios2/nios2.c b/gcc/config/nios2/nios2.c
index e0df9c5b8b4..f6084039eea 100644
--- a/gcc/config/nios2/nios2.c
+++ b/gcc/config/nios2/nios2.c
@@ -20,6 +20,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nvptx/mkoffload.c b/gcc/config/nvptx/mkoffload.c
index 7baa593d7f3..560ea23e72b 100644
--- a/gcc/config/nvptx/mkoffload.c
+++ b/gcc/config/nvptx/mkoffload.c
@@ -27,6 +27,8 @@
    This is not a complete assembler.  We presume the source is well
    formed from the compiler and can die horribly if it is not.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index f57b4f9b33b..cce0a555812 100644
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include <sstream>
 #include "system.h"
diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c
index 5d28ecda2ed..8b46252463e 100644
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/pdp11/pdp11.c b/gcc/config/pdp11/pdp11.c
index 4fdb077479d..06fef13f5d6 100644
--- a/gcc/config/pdp11/pdp11.c
+++ b/gcc/config/pdp11/pdp11.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/powerpcspe/driver-powerpcspe.c b/gcc/config/powerpcspe/driver-powerpcspe.c
index 8215abbd625..f3edb861138 100644
--- a/gcc/config/powerpcspe/driver-powerpcspe.c
+++ b/gcc/config/powerpcspe/driver-powerpcspe.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/powerpcspe/host-darwin.c b/gcc/config/powerpcspe/host-darwin.c
index da90e2f6452..ecafe08962f 100644
--- a/gcc/config/powerpcspe/host-darwin.c
+++ b/gcc/config/powerpcspe/host-darwin.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/powerpcspe/host-ppc64-darwin.c b/gcc/config/powerpcspe/host-ppc64-darwin.c
index 381fe1673ae..8f995148b24 100644
--- a/gcc/config/powerpcspe/host-ppc64-darwin.c
+++ b/gcc/config/powerpcspe/host-ppc64-darwin.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/powerpcspe/powerpcspe-c.c b/gcc/config/powerpcspe/powerpcspe-c.c
index 661480fd479..6020d0c15b2 100644
--- a/gcc/config/powerpcspe/powerpcspe-c.c
+++ b/gcc/config/powerpcspe/powerpcspe-c.c
@@ -20,6 +20,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/powerpcspe/powerpcspe-linux.c b/gcc/config/powerpcspe/powerpcspe-linux.c
index 4a8d9fad6ea..f9965b660b1 100644
--- a/gcc/config/powerpcspe/powerpcspe-linux.c
+++ b/gcc/config/powerpcspe/powerpcspe-linux.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/powerpcspe/powerpcspe.c b/gcc/config/powerpcspe/powerpcspe.c
index 7d1124223d2..bf90cc5cd7d 100644
--- a/gcc/config/powerpcspe/powerpcspe.c
+++ b/gcc/config/powerpcspe/powerpcspe.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/riscv/riscv-builtins.c b/gcc/config/riscv/riscv-builtins.c
index 1311fee6f70..39d2316e9ef 100644
--- a/gcc/config/riscv/riscv-builtins.c
+++ b/gcc/config/riscv/riscv-builtins.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/riscv/riscv-c.c b/gcc/config/riscv/riscv-c.c
index 64e7cf877af..2a045ec026b 100644
--- a/gcc/config/riscv/riscv-c.c
+++ b/gcc/config/riscv/riscv-c.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/riscv/riscv.c b/gcc/config/riscv/riscv.c
index cfab2e77686..0147c314b7a 100644
--- a/gcc/config/riscv/riscv.c
+++ b/gcc/config/riscv/riscv.c
@@ -19,6 +19,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rl78/rl78-c.c b/gcc/config/rl78/rl78-c.c
index 3572ae48c7e..59409c8aa24 100644
--- a/gcc/config/rl78/rl78-c.c
+++ b/gcc/config/rl78/rl78-c.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rl78/rl78.c b/gcc/config/rl78/rl78.c
index e2532b13b56..6c4caee7a35 100644
--- a/gcc/config/rl78/rl78.c
+++ b/gcc/config/rl78/rl78.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/driver-rs6000.c b/gcc/config/rs6000/driver-rs6000.c
index 8215abbd625..f3edb861138 100644
--- a/gcc/config/rs6000/driver-rs6000.c
+++ b/gcc/config/rs6000/driver-rs6000.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/host-darwin.c b/gcc/config/rs6000/host-darwin.c
index da90e2f6452..ecafe08962f 100644
--- a/gcc/config/rs6000/host-darwin.c
+++ b/gcc/config/rs6000/host-darwin.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/host-ppc64-darwin.c b/gcc/config/rs6000/host-ppc64-darwin.c
index 381fe1673ae..8f995148b24 100644
--- a/gcc/config/rs6000/host-ppc64-darwin.c
+++ b/gcc/config/rs6000/host-ppc64-darwin.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index 1bcdaa95e76..55070424686 100644
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -20,6 +20,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/rs6000-linux.c b/gcc/config/rs6000/rs6000-linux.c
index 4a8d9fad6ea..f9965b660b1 100644
--- a/gcc/config/rs6000/rs6000-linux.c
+++ b/gcc/config/rs6000/rs6000-linux.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/rs6000-p8swap.c b/gcc/config/rs6000/rs6000-p8swap.c
index e1324b72c25..7d9ab878625 100644
--- a/gcc/config/rs6000/rs6000-p8swap.c
+++ b/gcc/config/rs6000/rs6000-p8swap.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/rs6000-string.c b/gcc/config/rs6000/rs6000-string.c
index 1ff4284073a..7e1976bbe08 100644
--- a/gcc/config/rs6000/rs6000-string.c
+++ b/gcc/config/rs6000/rs6000-string.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 215a1f4d3e4..42704d34d98 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/rx/rx.c b/gcc/config/rx/rx.c
index 071cca5a947..150ef98dfd2 100644
--- a/gcc/config/rx/rx.c
+++ b/gcc/config/rx/rx.c
@@ -22,6 +22,8 @@
 
  * Re-enable memory-to-memory copies and fix up reload.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/s390/driver-native.c b/gcc/config/s390/driver-native.c
index acb983613c2..40b59238042 100644
--- a/gcc/config/s390/driver-native.c
+++ b/gcc/config/s390/driver-native.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/s390/s390-c.c b/gcc/config/s390/s390-c.c
index 07224ad7f39..0a2733c8d62 100644
--- a/gcc/config/s390/s390-c.c
+++ b/gcc/config/s390/s390-c.c
@@ -27,6 +27,8 @@
    included anymore - a mechanism supposed to avoid adding frontend -
    backend dependencies.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/s390/s390.c b/gcc/config/s390/s390.c
index b87b49e2060..0b04ac026fb 100644
--- a/gcc/config/s390/s390.c
+++ b/gcc/config/s390/s390.c
@@ -20,6 +20,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/sh/sh-c.c b/gcc/config/sh/sh-c.c
index 31e591daa4b..ca74f0fb78d 100644
--- a/gcc/config/sh/sh-c.c
+++ b/gcc/config/sh/sh-c.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/sh/sh-mem.cc b/gcc/config/sh/sh-mem.cc
index 4c33260d84e..c5a9a1e53e6 100644
--- a/gcc/config/sh/sh-mem.cc
+++ b/gcc/config/sh/sh-mem.cc
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index a627e8f3599..e0ad5bfc78b 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -21,6 +21,8 @@ along with GCC; see the file COPYING3.  If not see
 
 #include <sstream>
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #define INCLUDE_VECTOR
 #include "system.h"
diff --git a/gcc/config/sh/sh_optimize_sett_clrt.cc b/gcc/config/sh/sh_optimize_sett_clrt.cc
index 449261e86de..bfb9aba1f7b 100644
--- a/gcc/config/sh/sh_optimize_sett_clrt.cc
+++ b/gcc/config/sh/sh_optimize_sett_clrt.cc
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/sh/sh_treg_combine.cc b/gcc/config/sh/sh_treg_combine.cc
index bae81af3126..05608ce5b20 100644
--- a/gcc/config/sh/sh_treg_combine.cc
+++ b/gcc/config/sh/sh_treg_combine.cc
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #define INCLUDE_ALGORITHM
 #define INCLUDE_LIST
diff --git a/gcc/config/sparc/driver-sparc.c b/gcc/config/sparc/driver-sparc.c
index 0c25d6cfa15..9b811a871fa 100644
--- a/gcc/config/sparc/driver-sparc.c
+++ b/gcc/config/sparc/driver-sparc.c
@@ -17,6 +17,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/sparc/sparc-c.c b/gcc/config/sparc/sparc-c.c
index 4aacfff05ff..f8124bf96ef 100644
--- a/gcc/config/sparc/sparc-c.c
+++ b/gcc/config/sparc/sparc-c.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index fc50f9b1aa0..c7c0bd82e3b 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -20,6 +20,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/spu/spu-c.c b/gcc/config/spu/spu-c.c
index ba858f1fbb9..4f78bb744a5 100644
--- a/gcc/config/spu/spu-c.c
+++ b/gcc/config/spu/spu-c.c
@@ -14,6 +14,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/spu/spu.c b/gcc/config/spu/spu.c
index c1c79a2656d..4b47b4adf9e 100644
--- a/gcc/config/spu/spu.c
+++ b/gcc/config/spu/spu.c
@@ -14,6 +14,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/stormy16/stormy16.c b/gcc/config/stormy16/stormy16.c
index bf7269391b5..a3557940d9e 100644
--- a/gcc/config/stormy16/stormy16.c
+++ b/gcc/config/stormy16/stormy16.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/tilegx/mul-tables.c b/gcc/config/tilegx/mul-tables.c
index 9725f7dfb74..877df275e33 100644
--- a/gcc/config/tilegx/mul-tables.c
+++ b/gcc/config/tilegx/mul-tables.c
@@ -21,6 +21,8 @@
 /* Note this file is auto-generated from gen-mul-tables.cc.
    Make any required changes there.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/tilegx/tilegx-c.c b/gcc/config/tilegx/tilegx-c.c
index 8f38a881d12..ba63fdef8c6 100644
--- a/gcc/config/tilegx/tilegx-c.c
+++ b/gcc/config/tilegx/tilegx-c.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/tilegx/tilegx.c b/gcc/config/tilegx/tilegx.c
index 63fe3406ae9..794afee0988 100644
--- a/gcc/config/tilegx/tilegx.c
+++ b/gcc/config/tilegx/tilegx.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/tilepro/mul-tables.c b/gcc/config/tilepro/mul-tables.c
index 99877d6d2ea..32e6ec0a97c 100644
--- a/gcc/config/tilepro/mul-tables.c
+++ b/gcc/config/tilepro/mul-tables.c
@@ -21,6 +21,8 @@
 /* Note this file is auto-generated from gen-mul-tables.cc.
    Make any required changes there.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/tilepro/tilepro-c.c b/gcc/config/tilepro/tilepro-c.c
index fab4689381b..13e8056628f 100644
--- a/gcc/config/tilepro/tilepro-c.c
+++ b/gcc/config/tilepro/tilepro-c.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/tilepro/tilepro.c b/gcc/config/tilepro/tilepro.c
index ee9bc0a9343..ae71f752690 100644
--- a/gcc/config/tilepro/tilepro.c
+++ b/gcc/config/tilepro/tilepro.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/v850/v850-c.c b/gcc/config/v850/v850-c.c
index 1855204d898..145eef510ef 100644
--- a/gcc/config/v850/v850-c.c
+++ b/gcc/config/v850/v850-c.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/v850/v850.c b/gcc/config/v850/v850.c
index a26f5d655ff..ab096ea2fc8 100644
--- a/gcc/config/v850/v850.c
+++ b/gcc/config/v850/v850.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/vax/vax.c b/gcc/config/vax/vax.c
index 82f13da1c99..8bc40eb67d2 100644
--- a/gcc/config/vax/vax.c
+++ b/gcc/config/vax/vax.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/visium/visium.c b/gcc/config/visium/visium.c
index 4165214f5b7..991783da739 100644
--- a/gcc/config/visium/visium.c
+++ b/gcc/config/visium/visium.c
@@ -18,6 +18,8 @@
    along with GCC; see the file COPYING3.  If not see
    <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/vms/vms-c.c b/gcc/config/vms/vms-c.c
index 278c8e236be..f0c9fdc95e8 100644
--- a/gcc/config/vms/vms-c.c
+++ b/gcc/config/vms/vms-c.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/vms/vms-f.c b/gcc/config/vms/vms-f.c
index e0fd0fe0b7b..bde19480f3b 100644
--- a/gcc/config/vms/vms-f.c
+++ b/gcc/config/vms/vms-f.c
@@ -17,6 +17,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/vms/vms.c b/gcc/config/vms/vms.c
index a303e963268..f17097cb478 100644
--- a/gcc/config/vms/vms.c
+++ b/gcc/config/vms/vms.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index 92b9a600df8..665fe9594ab 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -18,6 +18,8 @@ You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
 
+#define IN_TARGET_CODE 1
+
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 04e18df8461..d5da39334e4 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -822,6 +822,17 @@ manual needs to be installed as info for this to work, or to be a
 chapter of this manual.
 @end itemize
 
+GCC uses the macro @code{IN_TARGET_CODE} to distinguish between
+machine-specific @file{.c} and @file{.cc} files and
+machine-independent @file{.c} and @file{.cc} files.  Machine-specific
+files should use the directive:
+
+@example
+#define IN_TARGET_CODE 1
+@end example
+
+before including @code{config.h}.
+
 If the back end is added to the official GCC source repository, the
 following are also necessary:
 
diff --git a/gcc/genattrtab.c b/gcc/genattrtab.c
index 51dfe77401e..a2a66e3e06f 100644
--- a/gcc/genattrtab.c
+++ b/gcc/genattrtab.c
@@ -5072,6 +5072,7 @@ write_header (FILE *outf)
   fprintf (outf, "/* Generated automatically by the program `genattrtab'\n"
 	         "   from the machine description file `md'.  */\n\n");
 
+  fprintf (outf, "#define IN_TARGET_CODE 1\n");
   fprintf (outf, "#include \"config.h\"\n");
   fprintf (outf, "#include \"system.h\"\n");
   fprintf (outf, "#include \"coretypes.h\"\n");
diff --git a/gcc/genautomata.c b/gcc/genautomata.c
index 76dacbc3984..aed10a34e42 100644
--- a/gcc/genautomata.c
+++ b/gcc/genautomata.c
@@ -9641,6 +9641,7 @@ main (int argc, const char **argv)
 	{
 	  puts ("/* Generated automatically by the program `genautomata'\n"
 		"   from the machine description file `md'.  */\n\n"
+		"#define IN_TARGET_CODE 1\n"
 		"#include \"config.h\"\n"
 		"#include \"system.h\"\n"
 		"#include \"coretypes.h\"\n"
diff --git a/gcc/genconditions.c b/gcc/genconditions.c
index f62ff1626b1..178026a3ecb 100644
--- a/gcc/genconditions.c
+++ b/gcc/genconditions.c
@@ -50,6 +50,7 @@ write_header (void)
 /* Generated automatically by the program `genconditions' from the target\n\
    machine description file.  */\n\
 \n\
+#define IN_TARGET_CODE 1\n\
 #include \"bconfig.h\"\n\
 #define INCLUDE_STRING\n\
 #include \"system.h\"\n\
diff --git a/gcc/genemit.c b/gcc/genemit.c
index 6e60c0a76ca..059fdb60c9d 100644
--- a/gcc/genemit.c
+++ b/gcc/genemit.c
@@ -764,6 +764,7 @@ main (int argc, const char **argv)
   printf ("/* Generated automatically by the program `genemit'\n\
 from the machine description file `md'.  */\n\n");
 
+  printf ("#define IN_TARGET_CODE 1\n");
   printf ("#include \"config.h\"\n");
   printf ("#include \"system.h\"\n");
   printf ("#include \"coretypes.h\"\n");
diff --git a/gcc/genextract.c b/gcc/genextract.c
index d9599adf59f..258d234d272 100644
--- a/gcc/genextract.c
+++ b/gcc/genextract.c
@@ -343,6 +343,7 @@ print_header (void)
 /* Generated automatically by the program `genextract'\n\
    from the machine description file `md'.  */\n\
 \n\
+#define IN_TARGET_CODE 1\n\
 #include \"config.h\"\n\
 #include \"system.h\"\n\
 #include \"coretypes.h\"\n\
diff --git a/gcc/genopinit.c b/gcc/genopinit.c
index d98fcd56e28..1ad9054770a 100644
--- a/gcc/genopinit.c
+++ b/gcc/genopinit.c
@@ -246,6 +246,7 @@ main (int argc, const char **argv)
 	   "#endif\n");
 
   fprintf (s_file,
+	   "#define IN_TARGET_CODE 1\n"
 	   "#include \"config.h\"\n"
 	   "#include \"system.h\"\n"
 	   "#include \"coretypes.h\"\n"
diff --git a/gcc/genoutput.c b/gcc/genoutput.c
index d447455c6a6..1deb9b08e06 100644
--- a/gcc/genoutput.c
+++ b/gcc/genoutput.c
@@ -203,6 +203,7 @@ output_prologue (void)
   printf ("/* Generated automatically by the program `genoutput'\n\
    from the machine description file `md'.  */\n\n");
 
+  printf ("#define IN_TARGET_CODE 1\n");
   printf ("#include \"config.h\"\n");
   printf ("#include \"system.h\"\n");
   printf ("#include \"coretypes.h\"\n");
diff --git a/gcc/genpeep.c b/gcc/genpeep.c
index 2fcd891121e..4b9c5379be3 100644
--- a/gcc/genpeep.c
+++ b/gcc/genpeep.c
@@ -355,6 +355,7 @@ main (int argc, const char **argv)
   printf ("/* Generated automatically by the program `genpeep'\n\
 from the machine description file `md'.  */\n\n");
 
+  printf ("#define IN_TARGET_CODE 1\n");
   printf ("#include \"config.h\"\n");
   printf ("#include \"system.h\"\n");
   printf ("#include \"coretypes.h\"\n");
diff --git a/gcc/genpreds.c b/gcc/genpreds.c
index 48226f5d3ac..200869f1787 100644
--- a/gcc/genpreds.c
+++ b/gcc/genpreds.c
@@ -1558,6 +1558,7 @@ write_insn_preds_c (void)
 	  md_reader_ptr->get_top_level_filename ());
 
   puts ("\
+#define IN_TARGET_CODE 1\n\
 #include \"config.h\"\n\
 #include \"system.h\"\n\
 #include \"coretypes.h\"\n\
diff --git a/gcc/genrecog.c b/gcc/genrecog.c
index b3d02d755eb..275168d6070 100644
--- a/gcc/genrecog.c
+++ b/gcc/genrecog.c
@@ -4218,6 +4218,8 @@ write_header (void)
 /* Generated automatically by the program `genrecog' from the target\n\
    machine description file.  */\n\
 \n\
+#define IN_TARGET_CODE 1\n\
+\n\
 #include \"config.h\"\n\
 #include \"system.h\"\n\
 #include \"coretypes.h\"\n\