Remove unnecessary uses of NOT_IN_libc

If a IS_IN_* macro is defined, then NOT_IN_libc is always defined,
except obviously for IS_IN_libc.  There's no need to check for both.
Verified on x86_64 and i686 that the source is unchanged.

       * include/libc-symbols.h: Remove unnecessary check for
       NOT_IN_libc.
       * nptl/pthreadP.h: Likewise.
       * sysdeps/aarch64/setjmp.S: Likewise.
       * sysdeps/alpha/setjmp.S: Likewise.
       * sysdeps/arm/sysdep.h: Likewise.
       * sysdeps/i386/setjmp.S: Likewise.
       * sysdeps/m68k/setjmp.c: Likewise.
       * sysdeps/posix/getcwd.c: Likewise.
       * sysdeps/powerpc/powerpc32/setjmp-common.S: Likewise.
       * sysdeps/powerpc/powerpc64/setjmp-common.S: Likewise.
       * sysdeps/s390/s390-32/setjmp.S: Likewise.
       * sysdeps/s390/s390-64/setjmp.S: Likewise.
       * sysdeps/sh/sh3/setjmp.S: Likewise.
       * sysdeps/sh/sh4/setjmp.S: Likewise.
       * sysdeps/unix/alpha/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/aarch64/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/i386/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/ia64/setjmp.S: Likewise.
       * sysdeps/unix/sysv/linux/ia64/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/tile/sysdep.h: Likewise.
       * sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
       * sysdeps/x86_64/setjmp.S: Likewise.

14 files changed, 19 insertions, 17 deletions

diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h
index 0c40ca64bc..17dad91819 100644
--- a/sysdeps/unix/alpha/sysdep.h
+++ b/sysdeps/unix/alpha/sysdep.h
@@ -349,7 +349,7 @@ __LABEL(name)						\
    we don't deoptimize things by placing the pointer check value there.  */
 
 #ifdef __ASSEMBLER__
-# if defined NOT_IN_libc && defined IS_IN_rtld
+# ifdef 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;	\
@@ -371,8 +371,9 @@ __LABEL(name)						\
 # define PTR_DEMANGLE2(dst, tmp)  PTR_MANGLE2(dst, dst, tmp)
 #else
 # include <stdint.h>
-# if (defined NOT_IN_libc && defined IS_IN_rtld) \
-     || (!defined SHARED && (!defined NOT_IN_libc || defined IS_IN_libpthread))
+# if (defined IS_IN_rtld \
+      || (!defined SHARED && (!defined NOT_IN_libc \
+			      || defined IS_IN_libpthread)))
 extern uintptr_t __pointer_chk_guard_local attribute_relro attribute_hidden;
 #  define PTR_MANGLE(var) \
 	(var) = (__typeof (var)) ((uintptr_t) (var) ^ __pointer_chk_guard_local)
diff --git a/sysdeps/unix/sysv/linux/aarch64/sysdep.h b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
index 3f3c709683..84999f115a 100644
--- a/sysdeps/unix/sysv/linux/aarch64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
@@ -309,8 +309,9 @@
 #endif	/* __ASSEMBLER__ */
 
 /* Pointer mangling is supported for AArch64.  */
-#if (defined NOT_IN_libc && defined IS_IN_rtld) || \
-  (!defined SHARED && (!defined NOT_IN_libc || defined IS_IN_libpthread))
+#if (defined IS_IN_rtld || \
+     (!defined SHARED && (!defined NOT_IN_libc \
+			  || defined IS_IN_libpthread)))
 # ifdef __ASSEMBLER__
 #  define PTR_MANGLE(dst, src, guard, tmp)                                \
   LDST_PCREL (ldr, guard, tmp, C_SYMBOL_NAME(__pointer_chk_guard_local)); \
diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
index 54f87c9f71..57d5ea081e 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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/setjmp.S b/sysdeps/unix/sysv/linux/ia64/setjmp.S
index c93fba5d57..f919a49f51 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
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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 4b732632d6..e0ec861dab 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index 8feafb8082..1a5e37a1d9 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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 9c456101ab..93e454e902 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
index 1c6191b261..00919e362e 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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 91fc275585..d3bafcae19 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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/sysdep.h b/sysdeps/unix/sysv/linux/sh/sysdep.h
index 41b2eea7a2..3f68938335 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
index 8b0d0807f4..09ef2c9ec3 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -125,7 +125,7 @@ ENTRY(name);					\
 #endif	/* __ASSEMBLER__ */
 
 /* Pointer mangling support.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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 53df66e21b..a0f230540a 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -140,7 +140,7 @@ ENTRY(name);					\
 #define STACK_BIAS	2047
 
 /* Pointer mangling support.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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/sysdep.h b/sysdeps/unix/sysv/linux/tile/sysdep.h
index f2214f6cff..a09f8a4adf 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.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef 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/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index f52690feeb..4a619dafeb 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -393,7 +393,7 @@
 
 
 /* Pointer mangling support.  */
-#if defined NOT_IN_libc && defined IS_IN_rtld
+#ifdef IS_IN_rtld
 /* We cannot use the thread descriptor because in ld.so we use setjmp
    earlier than the descriptor is initialized.  */
 # ifdef __ASSEMBLER__