diff --git a/elf/Makefile b/elf/Makefile
index 2781cc3..b739a97 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -439,7 +439,7 @@ CFLAGS-cache.c = $(SYSCONF-FLAGS)
 CFLAGS-rtld.c = $(SYSCONF-FLAGS)
 
 CPPFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\
-		     -DNOT_IN_libc=1 -DIS_IN_rtld=1)
+		     -DNOT_IN_libc=1)
 
 cpp-srcs-left := $(all-rtld-routines:=.os)
 lib := rtld
diff --git a/elf/dl-open.c b/elf/dl-open.c
index 7cc4cc1..dec3d32 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -737,7 +737,7 @@ _dl_show_scope (struct link_map *l, int from)
   _dl_debug_printf ("\n");
 }
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* Return non-zero if ADDR lies within one of L's segments.  */
 int
 internal_function
diff --git a/elf/rtld-Rules b/elf/rtld-Rules
index d106048..4e7c9ef 100644
--- a/elf/rtld-Rules
+++ b/elf/rtld-Rules
@@ -144,6 +144,6 @@ lib := rtld
 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 
 # This here is the whole point of all the shenanigans.
-rtld-CPPFLAGS := -DNOT_IN_libc=1 -DIS_IN_rtld=1
+rtld-CPPFLAGS := -DNOT_IN_libc=1
 
 endif
diff --git a/elf/setup-vdso.h b/elf/setup-vdso.h
index 1057cf0..a6dcc4e 100644
--- a/elf/setup-vdso.h
+++ b/elf/setup-vdso.h
@@ -99,7 +99,7 @@ setup_vdso (struct link_map *main_map __attribute__ ((unused)),
       /* Add the vDSO to the object list.  */
       _dl_add_to_namespace_list (l, LM_ID_BASE);
 
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
       /* Rearrange the list so this DSO appears after rtld_map.  */
       assert (l->l_next == NULL);
       assert (l->l_prev == main_map);
diff --git a/include/assert.h b/include/assert.h
index d0d9259..abe182f 100644
--- a/include/assert.h
+++ b/include/assert.h
@@ -20,7 +20,7 @@ extern void __assert_fail_base (const char *fmt, const char *assertion,
 				const char *function)
      __THROW  __attribute__ ((__noreturn__));
 
-# if !defined NOT_IN_libc || defined IS_IN_rtld
+# if !defined NOT_IN_libc || IS_IN (rtld)
 hidden_proto (__assert_fail)
 hidden_proto (__assert_perror_fail)
 # endif
diff --git a/include/bits/stdlib-float.h b/include/bits/stdlib-float.h
index d3f5c5b..3466314 100644
--- a/include/bits/stdlib-float.h
+++ b/include/bits/stdlib-float.h
@@ -1,4 +1,4 @@
 /* No floating-point inline functions in rtld.  */
-#ifndef IS_IN_rtld
+#if !IS_IN (rtld)
 # include <stdlib/bits/stdlib-float.h>
 #endif
diff --git a/include/errno.h b/include/errno.h
index 8e60288..d650a15 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -4,7 +4,7 @@
 
 #if defined _ERRNO_H && !defined _ISOMAC && !defined __cplusplus
 
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 #  include <dl-sysdep.h>
 #  ifndef RTLD_PRIVATE_ERRNO
 #   error "dl-sysdep.h must define RTLD_PRIVATE_ERRNO!"
diff --git a/include/sys/stat.h b/include/sys/stat.h
index 7a65d60..a44fbec 100644
--- a/include/sys/stat.h
+++ b/include/sys/stat.h
@@ -12,7 +12,7 @@ extern __mode_t __umask (__mode_t __mask);
 extern int __mkdir (const char *__path, __mode_t __mode);
 extern int __mknod (const char *__path,
 		    __mode_t __mode, __dev_t __dev);
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 hidden_proto (__fxstat)
 hidden_proto (__fxstat64)
 hidden_proto (__lxstat)
diff --git a/include/unistd.h b/include/unistd.h
index 5a016b1..e63ee1c 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -151,7 +151,7 @@ libc_hidden_proto (__sbrk)
    environment variables that normally affect them.  */
 extern int __libc_enable_secure attribute_relro;
 extern int __libc_enable_secure_decided;
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* XXX The #ifdef should go.  */
 extern int __libc_enable_secure_internal attribute_relro attribute_hidden;
 #endif
diff --git a/sysdeps/aarch64/setjmp.S b/sysdeps/aarch64/setjmp.S
index d548dd5..8251868 100644
--- a/sysdeps/aarch64/setjmp.S
+++ b/sysdeps/aarch64/setjmp.S
@@ -63,7 +63,7 @@ ENTRY (__sigsetjmp)
 	mov	x2,  sp
 	str	x2,  [x0, #JB_SP<<3]
 #endif
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask */
 	mov	w0, #0
 	RET
diff --git a/sysdeps/alpha/setjmp.S b/sysdeps/alpha/setjmp.S
index 840b560..dfa147b 100644
--- a/sysdeps/alpha/setjmp.S
+++ b/sysdeps/alpha/setjmp.S
@@ -86,7 +86,7 @@ $sigsetjmp_local:
 	ldq	ra, 0(sp)
 	addq	sp, 16, sp
 	ret
-#elif defined IS_IN_rtld
+#elif IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	mov	0, v0
 	ret
diff --git a/sysdeps/arm/__longjmp.S b/sysdeps/arm/__longjmp.S
index 27d1b71..1047cbe 100644
--- a/sysdeps/arm/__longjmp.S
+++ b/sysdeps/arm/__longjmp.S
@@ -76,7 +76,7 @@ ENTRY (__longjmp)
 #endif
 
 #ifdef NEED_HWCAP
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 	ldr	a4, 1f
 	ldr	a3, .Lrtld_local_ro
 0:	add	a4, pc, a4
@@ -139,7 +139,7 @@ ENTRY (__longjmp)
 	DO_RET(lr)
 
 #ifdef NEED_HWCAP
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 1:	.long	_GLOBAL_OFFSET_TABLE_ - 0b - PC_OFS
 .Lrtld_local_ro:
 	.long	C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF)
diff --git a/sysdeps/arm/aeabi_unwind_cpp_pr1.c b/sysdeps/arm/aeabi_unwind_cpp_pr1.c
index f650613..fa7e960 100644
--- a/sysdeps/arm/aeabi_unwind_cpp_pr1.c
+++ b/sysdeps/arm/aeabi_unwind_cpp_pr1.c
@@ -27,7 +27,7 @@ attribute_hidden
 void
 __aeabi_unwind_cpp_pr0 (void)
 {
-#ifndef IS_IN_rtld
+#if !IS_IN (rtld)
   abort ();
 #endif
 }
@@ -36,7 +36,7 @@ attribute_hidden
 void
 __aeabi_unwind_cpp_pr1 (void)
 {
-#ifndef IS_IN_rtld
+#if !IS_IN (rtld)
   abort ();
 #endif
 }
@@ -45,7 +45,7 @@ attribute_hidden
 void
 __aeabi_unwind_cpp_pr2 (void)
 {
-#ifndef IS_IN_rtld
+#if !IS_IN (rtld)
   abort ();
 #endif
 }
diff --git a/sysdeps/arm/setjmp.S b/sysdeps/arm/setjmp.S
index 17a16c9..59afb29 100644
--- a/sysdeps/arm/setjmp.S
+++ b/sysdeps/arm/setjmp.S
@@ -57,7 +57,7 @@ ENTRY (__sigsetjmp)
 
 #ifdef NEED_HWCAP
 	/* Check if we have a VFP unit.  */
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 	ldr	a3, 1f
 	ldr	a4, .Lrtld_local_ro
 0:	add	a3, pc, a3
@@ -115,7 +115,7 @@ ENTRY (__sigsetjmp)
 	B	PLTJMP(C_SYMBOL_NAME(__sigjmp_save))
 
 #ifdef NEED_HWCAP
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 1:	.long	_GLOBAL_OFFSET_TABLE_ - 0b - PC_OFS
 .Lrtld_local_ro:
 	.long	C_SYMBOL_NAME(_rtld_local_ro)(GOTOFF)
diff --git a/sysdeps/arm/sysdep.h b/sysdeps/arm/sysdep.h
index f476d69..ebd6411 100644
--- a/sysdeps/arm/sysdep.h
+++ b/sysdeps/arm/sysdep.h
@@ -292,7 +292,7 @@
 #endif
 
 /* Pointer mangling support.  */
-#if (defined IS_IN_rtld || \
+#if (IS_IN (rtld) || \
      (!defined SHARED && (!defined NOT_IN_libc || IS_IN (libpthread))))
 # ifdef __ASSEMBLER__
 #  define PTR_MANGLE_LOAD(guard, tmp)					\
diff --git a/sysdeps/generic/_itoa.h b/sysdeps/generic/_itoa.h
index 98e91cc..8360baf 100644
--- a/sysdeps/generic/_itoa.h
+++ b/sysdeps/generic/_itoa.h
@@ -46,7 +46,7 @@ extern char *_itoa (unsigned long long int value, char *buflim,
 
 extern const char _itoa_upper_digits[];
 extern const char _itoa_lower_digits[];
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 hidden_proto (_itoa_upper_digits)
 hidden_proto (_itoa_lower_digits)
 #endif
diff --git a/sysdeps/generic/dl-sysdep.h b/sysdeps/generic/dl-sysdep.h
index ae0e4be..1d76aa6 100644
--- a/sysdeps/generic/dl-sysdep.h
+++ b/sysdeps/generic/dl-sysdep.h
@@ -27,7 +27,7 @@
    all the libc functions that ld.so uses are called without PLT and always
    get the versions linked into ld.so rather than the libc ones.  */
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # define RTLD_PRIVATE_ERRNO 1
 #else
 # define RTLD_PRIVATE_ERRNO 0
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index e01df84..d3d4ff7 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -250,7 +250,7 @@ typedef void (*receiver_fct) (int, const char *, const char *);
 # define GL(name) _##name
 #else
 # define EXTERN
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 #  define GL(name) _rtld_local._##name
 # else
 #  define GL(name) _rtld_global._##name
@@ -409,7 +409,7 @@ struct rtld_global
 #ifdef SHARED
 };
 # define __rtld_global_attribute__
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 #  ifdef HAVE_SDATA_SECTION
 #   define __rtld_local_attribute__ \
 	    __attribute__ ((visibility ("hidden"), section (".sdata")))
@@ -428,7 +428,7 @@ extern struct rtld_global _rtld_global __rtld_global_attribute__;
 #ifndef SHARED
 # define GLRO(name) _##name
 #else
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 #  define GLRO(name) _rtld_local_ro._##name
 # else
 #  define GLRO(name) _rtld_global_ro._##name
@@ -587,7 +587,7 @@ struct rtld_global_ro
   EXTERN int _dl_pointer_guard;
 };
 # define __rtld_global_attribute__
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 #  define __rtld_local_attribute__ __attribute__ ((visibility ("hidden")))
 extern struct rtld_global_ro _rtld_local_ro
     attribute_relro __rtld_local_attribute__;
@@ -610,7 +610,7 @@ extern const ElfW(Phdr) *_dl_phdr;
 extern size_t _dl_phnum;
 #endif
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* This is the initial value of GL(dl_error_catch_tsd).
    A non-TLS libpthread will change it.  */
 extern void **_dl_initial_error_catch_tsd (void) __attribute__ ((const))
@@ -641,7 +641,7 @@ extern char **_dl_argv
      attribute_relro
 #endif
      ;
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 extern unsigned int _dl_skip_args attribute_hidden
 # ifndef DL_ARGV_NOT_RELRO
      attribute_relro
@@ -665,7 +665,7 @@ extern char **_dl_argv_internal attribute_hidden
 /* Flag set at startup and cleared when the last initializer has run.  */
 extern int _dl_starting_up;
 weak_extern (_dl_starting_up)
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 extern int _dl_starting_up_internal attribute_hidden;
 #endif
 
diff --git a/sysdeps/i386/dl-tls.h b/sysdeps/i386/dl-tls.h
index 7361372..48809a5 100644
--- a/sysdeps/i386/dl-tls.h
+++ b/sysdeps/i386/dl-tls.h
@@ -32,7 +32,7 @@ extern void *___tls_get_addr (tls_index *ti)
 extern void *___tls_get_addr_internal (tls_index *ti)
      __attribute__ ((__regparm__ (1))) attribute_hidden;
 
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 /* The special thing about the x86 TLS ABI is that we have two
    variants of the __tls_get_addr function with different calling
    conventions.  The GNU version, which we are mostly concerned here,
diff --git a/sysdeps/i386/setjmp.S b/sysdeps/i386/setjmp.S
index 7204ce0..ad4d724 100644
--- a/sysdeps/i386/setjmp.S
+++ b/sysdeps/i386/setjmp.S
@@ -46,7 +46,7 @@ ENTRY (__sigsetjmp)
 	movl %ecx, (JB_PC*4)(%eax)
 	movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer.  */
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	xorl %eax, %eax
 	ret
diff --git a/sysdeps/m68k/setjmp.c b/sysdeps/m68k/setjmp.c
index 4ba50a1..cc4d8bd 100644
--- a/sysdeps/m68k/setjmp.c
+++ b/sysdeps/m68k/setjmp.c
@@ -57,7 +57,7 @@ __sigsetjmp (jmp_buf env, int savemask)
 		: : "m" (env[0].__jmpbuf[0].__fpregs[0]));
 #endif
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
   /* In ld.so we never save the signal mask.  */
   return 0;
 #else
diff --git a/sysdeps/mach/hurd/dl-execstack.c b/sysdeps/mach/hurd/dl-execstack.c
index 9069efb..c67b534 100644
--- a/sysdeps/mach/hurd/dl-execstack.c
+++ b/sysdeps/mach/hurd/dl-execstack.c
@@ -34,7 +34,7 @@ _dl_make_stack_executable (void **stack_endp)
     return EPERM;
   *stack_endp = NULL;
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
   if (__mprotect ((void *)_dl_hurd_data->stack_base, _dl_hurd_data->stack_size,
 		  PROT_READ|PROT_WRITE|PROT_EXEC) != 0)
     return errno;
diff --git a/sysdeps/mach/hurd/opendir.c b/sysdeps/mach/hurd/opendir.c
index 570f085..a2c73bc 100644
--- a/sysdeps/mach/hurd/opendir.c
+++ b/sysdeps/mach/hurd/opendir.c
@@ -82,7 +82,7 @@ __opendirat (int dfd, const char *name)
 
   int flags = O_RDONLY | O_NONBLOCK | O_DIRECTORY | O_CLOEXEC;
   int fd;
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
   assert (dfd == AT_FDCWD);
   fd = open_not_cancel_2 (name, flags);
 #else
diff --git a/sysdeps/posix/getcwd.c b/sysdeps/posix/getcwd.c
index 6201916..e1f09cf 100644
--- a/sysdeps/posix/getcwd.c
+++ b/sysdeps/posix/getcwd.c
@@ -206,7 +206,7 @@ extern char *alloca ();
 
 #ifdef __ASSUME_ATFCTS
 # define __have_atfcts 1
-#elif defined IS_IN_rtld
+#elif IS_IN (rtld)
 static int __rtld_have_atfcts;
 # define __have_atfcts __rtld_have_atfcts
 #endif
diff --git a/sysdeps/posix/opendir.c b/sysdeps/posix/opendir.c
index 2740b3a..be234bd 100644
--- a/sysdeps/posix/opendir.c
+++ b/sysdeps/posix/opendir.c
@@ -122,7 +122,7 @@ __opendirat (int dfd, const char *name)
   flags |= O_CLOEXEC;
 #endif
   int fd;
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
   assert (dfd == AT_FDCWD);
   fd = open_not_cancel_2 (name, flags);
 #else
diff --git a/sysdeps/posix/profil.c b/sysdeps/posix/profil.c
index 696c7a6..54ace22 100644
--- a/sysdeps/posix/profil.c
+++ b/sysdeps/posix/profil.c
@@ -64,7 +64,7 @@ __profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
 {
   struct sigaction act;
   struct itimerval timer;
-#ifndef IS_IN_rtld
+#if !IS_IN (rtld)
   static struct sigaction oact;
   static struct itimerval otimer;
 # define oact_ptr &oact
diff --git a/sysdeps/powerpc/dl-procinfo.h b/sysdeps/powerpc/dl-procinfo.h
index 0333831..5f8d9ab 100644
--- a/sysdeps/powerpc/dl-procinfo.h
+++ b/sysdeps/powerpc/dl-procinfo.h
@@ -166,7 +166,7 @@ _dl_string_platform (const char *str)
   return -1;
 }
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 static inline int
 __attribute__ ((unused))
 _dl_procinfo (unsigned int type, unsigned long int word)
diff --git a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
index 088e389..d8e4682 100644
--- a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
+++ b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
@@ -35,7 +35,7 @@ ENTRY (__longjmp_symbol)
 	addis	r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@ha
 	addi	r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@l
 #  ifdef SHARED
-#   ifdef IS_IN_rtld
+#   if IS_IN (rtld)
 	/* Inside ld.so we use the local alias to avoid runtime GOT
 	   relocations.  */
 	lwz     r5,_rtld_local_ro@got(r5)
diff --git a/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S b/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S
index 926a1b1..720da09 100644
--- a/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S
+++ b/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S
@@ -91,7 +91,7 @@ ENTRY (__sigsetjmp_symbol)
 	mtlr	r6
 	cfi_same_value (lr)
 #  ifdef SHARED
-#   ifdef IS_IN_rtld
+#   if IS_IN (rtld)
 	/* Inside ld.so we use the local alias to avoid runtime GOT
 	   relocations.  */
 	lwz     r5,_rtld_local_ro@got(r5)
diff --git a/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h b/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h
index 72d720d..ca479d8 100644
--- a/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h
+++ b/sysdeps/powerpc/powerpc32/power4/multiarch/init-arch.h
@@ -21,7 +21,7 @@
    the dl_hwcap field. The assembly is to make the compiler not optimize the
    test (&_rtld_global_ro != NULL), which is always true in ISO C (but not
    in that case since _rtld_global_ro might not been realocated yet).  */
-#if defined(SHARED) && !defined(IS_IN_rtld)
+#if defined(SHARED) && !IS_IN (rtld)
 # define __GLRO(value) \
   ({ volatile void **__p = (volatile void**)(&_rtld_global_ro);	\
     unsigned long int __ret;					\
diff --git a/sysdeps/powerpc/powerpc32/setjmp-common.S b/sysdeps/powerpc/powerpc32/setjmp-common.S
index 681b540..50ff436 100644
--- a/sysdeps/powerpc/powerpc32/setjmp-common.S
+++ b/sysdeps/powerpc/powerpc32/setjmp-common.S
@@ -69,7 +69,7 @@ ENTRY (__sigsetjmp_symbol)
 	SAVE_GP (29)
 	SAVE_GP (30)
 	SAVE_GP (31)
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	li   r3,0
 	blr
 #else
diff --git a/sysdeps/powerpc/powerpc64/__longjmp-common.S b/sysdeps/powerpc/powerpc64/__longjmp-common.S
index 9452a3c..e489224 100644
--- a/sysdeps/powerpc/powerpc64/__longjmp-common.S
+++ b/sysdeps/powerpc/powerpc64/__longjmp-common.S
@@ -30,7 +30,7 @@
 	.section	".toc","aw"
 .LC__dl_hwcap:
 # ifdef SHARED
-#  ifdef IS_IN_rtld
+#  if IS_IN (rtld)
 	/* Inside ld.so we use the local alias to avoid runtime GOT
 	   relocations.  */
 	.tc _rtld_local_ro[TC],_rtld_local_ro
@@ -130,7 +130,7 @@ L(no_vmx):
 	ld r0,(JB_LR*8)(r3)
 	ld r14,((JB_GPRS+0)*8)(r3)
 	lfd fp14,((JB_FPRS+0)*8)(r3)
-#if defined SHARED && !defined IS_IN_rtld
+#if defined SHARED && !IS_IN (rtld)
 	std r2,FRAME_TOC_SAVE(r1)	/* Restore the callers TOC save area.  */
 #endif
 	ld r15,((JB_GPRS+1)*8)(r3)
diff --git a/sysdeps/powerpc/powerpc64/setjmp-common.S b/sysdeps/powerpc/powerpc64/setjmp-common.S
index 704ee97..5979cde 100644
--- a/sysdeps/powerpc/powerpc64/setjmp-common.S
+++ b/sysdeps/powerpc/powerpc64/setjmp-common.S
@@ -29,7 +29,7 @@
 	.section	".toc","aw"
 .LC__dl_hwcap:
 # ifdef SHARED
-#  ifdef IS_IN_rtld
+#  if IS_IN (rtld)
 	/* Inside ld.so we use the local alias to avoid runtime GOT
 	   relocations.  */
 	.tc _rtld_local_ro[TC],_rtld_local_ro
@@ -49,7 +49,7 @@ ENTRY (setjmp_symbol)
 	b JUMPTARGET (GLUE(__sigsetjmp_symbol,_ent))
 END (setjmp_symbol)
 
-#if defined SHARED && !defined IS_IN_rtld && !defined __NO_VMX__
+#if defined SHARED && !IS_IN (rtld) && !defined __NO_VMX__
 /* When called from within libc we need a special version of _setjmp
    that saves r2 since the call won't go via a plt call stub.  See
    bugz #269.  __GI__setjmp is used in csu/libc-start.c when
@@ -80,7 +80,7 @@ JUMPTARGET(GLUE(__sigsetjmp_symbol,_ent)):
 	std  r1,(JB_GPR1*8)(3)
 #endif
 	mflr r0
-#if defined SHARED && !defined IS_IN_rtld
+#if defined SHARED && !IS_IN (rtld)
 	ld   r5,FRAME_TOC_SAVE(r1)	/* Retrieve the callers TOC.  */
 	std  r5,(JB_GPR2*8)(3)
 #else
@@ -213,7 +213,7 @@ L(no_vmx):
 #else
 	li	r6,0
 #endif
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	li	r3,0
 	blr
 #elif defined SHARED
diff --git a/sysdeps/s390/dl-tls.h b/sysdeps/s390/dl-tls.h
index 4801bf8..0ceb6f2 100644
--- a/sysdeps/s390/dl-tls.h
+++ b/sysdeps/s390/dl-tls.h
@@ -29,7 +29,7 @@ typedef struct
 
 extern unsigned long __tls_get_offset (unsigned long got_offset);
 
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 
 #  include <shlib-compat.h>
 
@@ -78,9 +78,9 @@ __tls_get_offset:\n\
 1:	.long	__tls_get_addr - 0b\n\
 ");
 #  endif
-# else /* IS_IN_rtld */
+# else /* IS_IN (rtld) */
 extern void *__tls_get_addr_internal (tls_index *ti);
-# endif /* !IS_IN_rtld */
+# endif /* !IS_IN (rtld) */
 
 # define GET_ADDR_OFFSET \
   (ti->ti_offset - (unsigned long) __builtin_thread_pointer ())
diff --git a/sysdeps/s390/s390-32/setjmp.S b/sysdeps/s390/s390-32/setjmp.S
index 3ebc813..ea59cf9 100644
--- a/sysdeps/s390/s390-32/setjmp.S
+++ b/sysdeps/s390/s390-32/setjmp.S
@@ -23,12 +23,12 @@
 #include <bits/setjmp.h>
 #include <shlib-compat.h>
 
-#if !defined IS_IN_rtld
+#if !IS_IN (rtld)
 # if defined SHARED &&  SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
 	/* we need a unique name in case of symbol versioning.  */
 #  define __sigsetjmp __v1__sigsetjmp
 # endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
-#endif /* !defined IS_IN_rtld  */
+#endif /* !IS_IN (rtld)  */
 
 	/* We include the BSD entry points here as well but we make
 	   them weak.  */
@@ -65,7 +65,7 @@ ENTRY(__sigsetjmp)
 #endif
 	std    %f4,40(%r2)
 	std    %f6,48(%r2)
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	lhi    %r2,0
 	br     %r14
@@ -87,7 +87,7 @@ ENTRY(__sigsetjmp)
 #endif
 END (__sigsetjmp)
 
-#if !defined IS_IN_rtld
+#if !IS_IN (rtld)
 # if defined SHARED &&  SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
 /* In glibc release 2.19 new versions of setjmp-functions were introduced,
    but were reverted before 2.20. Thus both versions are the same function.  */
@@ -108,4 +108,4 @@ strong_alias (__v1__sigsetjmp, __v2__sigsetjmp);
 versioned_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0);
 compat_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19);
 # endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
-#endif /* if !defined IS_IN_rtld  */
+#endif /* if !IS_IN (rtld)  */
diff --git a/sysdeps/s390/s390-64/setjmp.S b/sysdeps/s390/s390-64/setjmp.S
index faa2784..e3762e0 100644
--- a/sysdeps/s390/s390-64/setjmp.S
+++ b/sysdeps/s390/s390-64/setjmp.S
@@ -23,12 +23,12 @@
 #include <bits/setjmp.h>
 #include <shlib-compat.h>
 
-#if !defined IS_IN_rtld
+#if !IS_IN (rtld)
 # if defined SHARED &&  SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
 	/* we need a unique name in case of symbol versioning.  */
 #  define __sigsetjmp __v1__sigsetjmp
 # endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
-#endif /* !defined IS_IN_rtld  */
+#endif /* !IS_IN (rtld)  */
 
 	/* We include the BSD entry points here as well but we make
 	   them weak.  */
@@ -71,7 +71,7 @@ ENTRY(__sigsetjmp)
 	std    %f13,120(%r2)
 	std    %f14,128(%r2)
 	std    %f15,136(%r2)
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	lghi   %r2,0
 	br     %r14
@@ -82,7 +82,7 @@ ENTRY(__sigsetjmp)
 #endif
 END (__sigsetjmp)
 
-#if !defined IS_IN_rtld
+#if !IS_IN (rtld)
 # if defined SHARED &&  SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)
 /* In glibc release 2.19 new versions of setjmp-functions were introduced,
    but were reverted before 2.20. Thus both versions are the same function.  */
@@ -103,4 +103,4 @@ strong_alias (__v1__sigsetjmp, __v2__sigsetjmp);
 versioned_symbol (libc, __v1__sigsetjmp, __sigsetjmp, GLIBC_2_0);
 compat_symbol (libc, __v2__sigsetjmp, __sigsetjmp, GLIBC_2_19);
 # endif /* if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20)  */
-#endif /* if !defined IS_IN_rtld  */
+#endif /* if !IS_IN (rtld)  */
diff --git a/sysdeps/sh/sh3/setjmp.S b/sysdeps/sh/sh3/setjmp.S
index f3a8e6a..1bc76a5 100644
--- a/sysdeps/sh/sh3/setjmp.S
+++ b/sysdeps/sh/sh3/setjmp.S
@@ -46,7 +46,7 @@ ENTRY (__sigsetjmp)
 	mov.l	r9, @-r4
 	mov.l	r8, @-r4
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	rts
 	 mov	#0, r0
diff --git a/sysdeps/sh/sh4/setjmp.S b/sysdeps/sh/sh4/setjmp.S
index 4bbd666..91b8441 100644
--- a/sysdeps/sh/sh4/setjmp.S
+++ b/sysdeps/sh/sh4/setjmp.S
@@ -55,7 +55,7 @@ ENTRY (__sigsetjmp)
 	mov.l	r9, @-r4
 	mov.l	r8, @-r4
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	rts
 	 mov	#0, r0
diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h
index 68b06e1..0b5ff20 100644
--- a/sysdeps/unix/alpha/sysdep.h
+++ b/sysdeps/unix/alpha/sysdep.h
@@ -26,7 +26,7 @@
 # include <regdef.h>
 #endif
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # include <dl-sysdep.h>         /* Defines RTLD_PRIVATE_ERRNO.  */
 #endif
 
@@ -349,7 +349,7 @@ __LABEL(name)						\
    we don't deoptimize things by placing the pointer check value there.  */
 
 #ifdef __ASSEMBLER__
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 #  define PTR_MANGLE(dst, src, tmp)				\
 	ldah	tmp, __pointer_chk_guard_local($29) !gprelhigh;	\
 	ldq	tmp, __pointer_chk_guard_local(tmp) !gprellow;	\
@@ -371,7 +371,7 @@ __LABEL(name)						\
 # define PTR_DEMANGLE2(dst, tmp)  PTR_MANGLE2(dst, dst, tmp)
 #else
 # include <stdint.h>
-# if (defined IS_IN_rtld \
+# if (IS_IN (rtld) \
       || (!defined SHARED && (!defined NOT_IN_libc \
 			      || IS_IN (libpthread))))
 extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
diff --git a/sysdeps/unix/arm/sysdep.S b/sysdeps/unix/arm/sysdep.S
index 1a0f093..5566528 100644
--- a/sysdeps/unix/arm/sysdep.S
+++ b/sysdeps/unix/arm/sysdep.S
@@ -19,7 +19,7 @@
 #define _ERRNO_H
 #include <bits/errno.h>
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # include <dl-sysdep.h>			/* Defines RTLD_PRIVATE_ERRNO.  */
 #endif
 
@@ -36,7 +36,7 @@ __syscall_error:
 	moveq	r0, $EAGAIN	/* Yes; translate it to EAGAIN.  */
 #endif
 
-#ifndef IS_IN_rtld
+#if !IS_IN (rtld)
 	mov	r1, r0
 	GET_TLS (r2)
 	ldr	r2, 1f
diff --git a/sysdeps/unix/i386/sysdep.S b/sysdeps/unix/i386/sysdep.S
index bfe0d00..06af337 100644
--- a/sysdeps/unix/i386/sysdep.S
+++ b/sysdeps/unix/i386/sysdep.S
@@ -19,7 +19,7 @@
 #define _ERRNO_H
 #include <bits/errno.h>
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # include <dl-sysdep.h>		/* Defines RTLD_PRIVATE_ERRNO.  */
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/aarch64/sysdep.h b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
index 84bec80..3fb67427 100644
--- a/sysdeps/unix/sysv/linux/aarch64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
@@ -309,7 +309,7 @@
 #endif	/* __ASSEMBLER__ */
 
 /* Pointer mangling is supported for AArch64.  */
-#if (defined IS_IN_rtld || \
+#if (IS_IN (rtld) || \
      (!defined SHARED && (!defined NOT_IN_libc \
 			  || IS_IN (libpthread))))
 # ifdef __ASSEMBLER__
diff --git a/sysdeps/unix/sysv/linux/getcwd.c b/sysdeps/unix/sysv/linux/getcwd.c
index a9abcef..ca0f271 100644
--- a/sysdeps/unix/sysv/linux/getcwd.c
+++ b/sysdeps/unix/sysv/linux/getcwd.c
@@ -30,7 +30,7 @@
 
 /* If we compile the file for use in ld.so we don't need the feature
    that getcwd() allocates the buffers itself.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # define NO_ALLOCATION	1
 #endif
 
diff --git a/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h b/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
index fb61d0c..9a60492 100644
--- a/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
@@ -58,7 +58,7 @@
 /* Initialize locks to zero.  */
 #define LLL_MUTEX_LOCK_INITIALIZER (0)
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index 9d9ae58..ffae477 100644
--- a/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -71,7 +71,7 @@
 #define LLL_SHARED	FUTEX_PRIVATE_FLAG
 
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 0282761..b538004 100644
--- a/sysdeps/unix/sysv/linux/i386/sysdep.h
+++ b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -519,7 +519,7 @@ asm (".L__X'%ebx = 1\n\t"
 
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  Using a global variable
    is too complicated here since we have no PC-relative addressing mode.  */
diff --git a/sysdeps/unix/sysv/linux/ia64/lowlevellock.h b/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
index e84f530..fe4a90e 100644
--- a/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/ia64/lowlevellock.h
@@ -52,7 +52,7 @@
 #define LLL_SHARED	FUTEX_PRIVATE_FLAG
 
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/ia64/setjmp.S b/sysdeps/unix/sysv/linux/ia64/setjmp.S
index f919a49..42d9453 100644
--- a/sysdeps/unix/sysv/linux/ia64/setjmp.S
+++ b/sysdeps/unix/sysv/linux/ia64/setjmp.S
@@ -178,7 +178,7 @@ ENTRY(__sigsetjmp)
 	;;
 	st8.nta [r2]=r25		// ar.unat
 	st8.nta [r3]=in0		// &__jmp_buf
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	;;
 #else
diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.h b/sysdeps/unix/sysv/linux/ia64/sysdep.h
index 47fd577..0943852 100644
--- a/sysdeps/unix/sysv/linux/ia64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/ia64/sysdep.h
@@ -364,7 +364,7 @@
 #endif /* not __ASSEMBLER__ */
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/lowlevellock-futex.h b/sysdeps/unix/sysv/linux/lowlevellock-futex.h
index 343afd6..11150b3 100644
--- a/sysdeps/unix/sysv/linux/lowlevellock-futex.h
+++ b/sysdeps/unix/sysv/linux/lowlevellock-futex.h
@@ -49,7 +49,7 @@
 #define LLL_SHARED	FUTEX_PRIVATE_FLAG
 
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h b/sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h
index f967524..b75bf17 100644
--- a/sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h
+++ b/sysdeps/unix/sysv/linux/m68k/bits/m68k-vdso.h
@@ -23,7 +23,7 @@
 
 #ifdef SHARED
 
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 # define M68K_VDSO_SYMBOL(name) __rtld_##name
 # define STR_M68K_VDSO_SYMBOL(name) "__rtld_" #name
 # else
@@ -35,7 +35,7 @@
 
 /* We define __rtld_* copies for rtld.
    We need them visible in libc to initialize.  */
-#  if defined IS_IN_rtld || !defined NOT_IN_libc
+#  if IS_IN (rtld) || !defined NOT_IN_libc
 extern void *__rtld___vdso_read_tp;
 extern void *__rtld___vdso_atomic_cmpxchg_32;
 extern void *__rtld___vdso_atomic_barrier;
@@ -44,14 +44,14 @@ extern void *__rtld___vdso_atomic_barrier;
 extern void __vdso_read_tp_stub (void);
 extern void __vdso_atomic_cmpxchg_32_stub (void);
 extern void __vdso_atomic_barrier_stub (void);
-#  endif /* IS_IN_rtld || !NOT_IN_libc */
+#  endif /* IS_IN (rtld) || !NOT_IN_libc */
 
 /* RTLD should only use its own copies.  */
-#  ifndef IS_IN_rtld
+#  if !IS_IN (rtld)
 extern void *__vdso_read_tp;
 extern void *__vdso_atomic_cmpxchg_32;
 extern void *__vdso_atomic_barrier;
-#  endif /* !IS_IN_rtld */
+#  endif /* !IS_IN (rtld) */
 
 # endif /* !__ASSEMBLER__ */
 
diff --git a/sysdeps/unix/sysv/linux/m68k/m68k-helpers.S b/sysdeps/unix/sysv/linux/m68k/m68k-helpers.S
index 032b1f2..c220e78 100644
--- a/sysdeps/unix/sysv/linux/m68k/m68k-helpers.S
+++ b/sysdeps/unix/sysv/linux/m68k/m68k-helpers.S
@@ -51,7 +51,7 @@ END (__vdso_read_tp_stub)
    equivalent helper function (which clobbers fewer registers than
    a normal function call) in a vdso; tail call to the
    helper.  */
-# ifdef IS_IN_rtld
+# if IS_IN (rtld)
 /* rtld gets a hidden copy of __m68k_read_tp.  */
 	.hidden __m68k_read_tp
 # endif
diff --git a/sysdeps/unix/sysv/linux/microblaze/lowlevellock.h b/sysdeps/unix/sysv/linux/microblaze/lowlevellock.h
index 0ba63a1..9c21eeb 100644
--- a/sysdeps/unix/sysv/linux/microblaze/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/microblaze/lowlevellock.h
@@ -52,7 +52,7 @@
 #define LLL_SHARED  FUTEX_PRIVATE_FLAG
 
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private)                                      \
diff --git a/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h b/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
index a651d23..54ccc41 100644
--- a/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/powerpc/lowlevellock.h
@@ -52,7 +52,7 @@
 #define LLL_PRIVATE	0
 #define LLL_SHARED	FUTEX_PRIVATE_FLAG
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index 1a5e37a..b691759 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
@@ -272,7 +272,7 @@
 
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
index 93e454e..1cca63d 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
@@ -282,7 +282,7 @@
 
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/s390/lowlevellock.h b/sysdeps/unix/sysv/linux/s390/lowlevellock.h
index eaf2d58..2c17b2c 100644
--- a/sysdeps/unix/sysv/linux/s390/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/s390/lowlevellock.h
@@ -51,7 +51,7 @@
 #define LLL_SHARED	FUTEX_PRIVATE_FLAG
 
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index 00919e3..e6fd96a 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
@@ -366,7 +366,7 @@
     _ret; })
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
index d3bafca..917a636 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
@@ -372,7 +372,7 @@
     _ret; })
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/sysdeps/unix/sysv/linux/sh/lowlevellock.h
index 10a2c25..328446c 100644
--- a/sysdeps/unix/sysv/linux/sh/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -49,7 +49,7 @@
 #define LLL_SHARED     FUTEX_PRIVATE_FLAG
 
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/sh/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h
index 3f68938..4fc5dd7 100644
--- a/sysdeps/unix/sysv/linux/sh/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sh/sysdep.h
@@ -338,7 +338,7 @@
 #endif	/* __ASSEMBLER__ */
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  Using a global variable
    is too complicated here since we have no PC-relative addressing mode.  */
diff --git a/sysdeps/unix/sysv/linux/sparc/lowlevellock.h b/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
index d764075..eebf406 100644
--- a/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/sparc/lowlevellock.h
@@ -57,7 +57,7 @@ extern void __cpu_relax (void);
 #define BUSY_WAIT_NOP	__cpu_relax ()
 #endif
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
index 09ef2c9..e5bb3b5 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -21,7 +21,7 @@
 
 #include <sysdeps/unix/sysv/linux/sparc/sysdep.h>
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # include <dl-sysdep.h>		/* Defines RTLD_PRIVATE_ERRNO.  */
 #endif
 #include <tls.h>
@@ -125,7 +125,7 @@ ENTRY(name);					\
 #endif	/* __ASSEMBLER__ */
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
index a0f2305..e9aedce 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -21,7 +21,7 @@
 
 #include <sysdeps/unix/sysv/linux/sparc/sysdep.h>
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # include <dl-sysdep.h>		/* Defines RTLD_PRIVATE_ERRNO.  */
 #endif
 #include <tls.h>
@@ -140,7 +140,7 @@ ENTRY(name);					\
 #define STACK_BIAS	2047
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/tile/lowlevellock.h b/sysdeps/unix/sysv/linux/tile/lowlevellock.h
index e3e52a4..c9d2e54 100644
--- a/sysdeps/unix/sysv/linux/tile/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/tile/lowlevellock.h
@@ -52,7 +52,7 @@
 #define LLL_SHARED	FUTEX_PRIVATE_FLAG
 
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/tile/sysdep.h b/sysdeps/unix/sysv/linux/tile/sysdep.h
index 191f95a..a79a936 100644
--- a/sysdeps/unix/sysv/linux/tile/sysdep.h
+++ b/sysdeps/unix/sysv/linux/tile/sysdep.h
@@ -205,7 +205,7 @@
 #endif /* not __ASSEMBLER__ */
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 #else
diff --git a/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index 55b4e16..37c0faf 100644
--- a/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -72,7 +72,7 @@
 
 #ifndef __ASSEMBLER__
 
-#if !defined NOT_IN_libc || defined IS_IN_rtld
+#if !defined NOT_IN_libc || IS_IN (rtld)
 /* In libc.so or ld.so all futexes are private.  */
 # ifdef __ASSUME_PRIVATE_FUTEX
 #  define __lll_private_flag(fl, private) \
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index 4a619da..6377183 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -22,7 +22,7 @@
 #include <sysdeps/unix/x86_64/sysdep.h>
 #include <tls.h>
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # include <dl-sysdep.h>		/* Defines RTLD_PRIVATE_ERRNO.  */
 #endif
 
@@ -393,7 +393,7 @@
 
 
 /* Pointer mangling support.  */
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 # ifdef __ASSEMBLER__
diff --git a/sysdeps/unix/x86_64/sysdep.S b/sysdeps/unix/x86_64/sysdep.S
index 9f5eb38..90ece2a 100644
--- a/sysdeps/unix/x86_64/sysdep.S
+++ b/sysdeps/unix/x86_64/sysdep.S
@@ -20,7 +20,7 @@
 #include <bits/errno.h>
 #include <tls.h>
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 # include <dl-sysdep.h>		/* Defines RTLD_PRIVATE_ERRNO.  */
 #endif
 
diff --git a/sysdeps/x86_64/setjmp.S b/sysdeps/x86_64/setjmp.S
index 4459212..7a4800f 100644
--- a/sysdeps/x86_64/setjmp.S
+++ b/sysdeps/x86_64/setjmp.S
@@ -54,7 +54,7 @@ ENTRY (__sigsetjmp)
 #endif
 	movq %rax, (JB_PC*8)(%rdi)
 
-#ifdef IS_IN_rtld
+#if IS_IN (rtld)
 	/* In ld.so we never save the signal mask.  */
 	xorl %eax, %eax
 	retq
