Use ALIAS_SYMBOL for assembler aliasing.

Change-Id: I8d04d2da0a1ac440cc9044fc819c9a8eda5ff17d
diff --git a/libc/arch-arm/bionic/setjmp.S b/libc/arch-arm/bionic/setjmp.S
index 8d7786c..8220c08 100644
--- a/libc/arch-arm/bionic/setjmp.S
+++ b/libc/arch-arm/bionic/setjmp.S
@@ -169,7 +169,5 @@
   bx lr
 END(siglongjmp)
 
-  .globl longjmp
-  .equ longjmp, siglongjmp
-  .globl _longjmp
-  .equ _longjmp, siglongjmp
+ALIAS_SYMBOL(longjmp, siglongjmp)
+ALIAS_SYMBOL(_longjmp, siglongjmp)
diff --git a/libc/arch-arm64/bionic/setjmp.S b/libc/arch-arm64/bionic/setjmp.S
index 6e119dc..ba0a226 100644
--- a/libc/arch-arm64/bionic/setjmp.S
+++ b/libc/arch-arm64/bionic/setjmp.S
@@ -146,7 +146,5 @@
   ret
 END(siglongjmp)
 
-  .globl longjmp
-  .equ longjmp, siglongjmp
-  .globl _longjmp
-  .equ _longjmp, siglongjmp
+ALIAS_SYMBOL(longjmp, siglongjmp)
+ALIAS_SYMBOL(_longjmp, siglongjmp)
diff --git a/libc/arch-mips/bionic/setjmp.S b/libc/arch-mips/bionic/setjmp.S
index 1c26553..bed9562 100644
--- a/libc/arch-mips/bionic/setjmp.S
+++ b/libc/arch-mips/bionic/setjmp.S
@@ -352,12 +352,5 @@
 	jal	abort
 END(siglongjmp)
 
-
-	.globl	longjmp
-	.type	longjmp, @function
-	.equ	longjmp, siglongjmp	# alias for siglongjmp
-
-
-	.globl	_longjmp
-	.type	_longjmp, @function
-	.equ	_longjmp, siglongjmp	# alias for siglongjmp
+ALIAS_SYMBOL(longjmp, siglongjmp)
+ALIAS_SYMBOL(_longjmp, siglongjmp)
diff --git a/libc/arch-x86/bionic/setjmp.S b/libc/arch-x86/bionic/setjmp.S
index 25a016d..18ad810 100644
--- a/libc/arch-x86/bionic/setjmp.S
+++ b/libc/arch-x86/bionic/setjmp.S
@@ -123,7 +123,5 @@
   ret
 END(siglongjmp)
 
-  .globl longjmp
-  .equ longjmp, siglongjmp
-  .globl _longjmp
-  .equ _longjmp, siglongjmp
+ALIAS_SYMBOL(longjmp, siglongjmp)
+ALIAS_SYMBOL(_longjmp, siglongjmp)
diff --git a/libc/arch-x86_64/bionic/setjmp.S b/libc/arch-x86_64/bionic/setjmp.S
index 28981fa..5559f54 100644
--- a/libc/arch-x86_64/bionic/setjmp.S
+++ b/libc/arch-x86_64/bionic/setjmp.S
@@ -129,7 +129,5 @@
   ret
 END(siglongjmp)
 
-  .globl longjmp
-  .equ longjmp, siglongjmp
-  .globl _longjmp
-  .equ _longjmp, siglongjmp
+ALIAS_SYMBOL(longjmp, siglongjmp)
+ALIAS_SYMBOL(_longjmp, siglongjmp)