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Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/sysdep.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/sysdep.h b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
index 70aa826b18..53dbe8143f 100644
--- a/sysdeps/unix/sysv/linux/x86_64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/x86_64/sysdep.h
@@ -79,7 +79,7 @@
 #ifndef PIC
 #define SYSCALL_ERROR_HANDLER	/* Nothing here; code in sysdep.S is used.  */
 #else
-/* Store (- %rax) into errno through the GOT.  */
+/* Store (- %rax) into errno through the GOT.  Note that errno occupies 4 bytes.  */
 #ifdef _LIBC_REENTRANT
 #define SYSCALL_ERROR_HANDLER			\
 0:						\
@@ -90,7 +90,7 @@
   call BP_SYM (__errno_location)@PLT;		\
   POP_ERRNO_LOCATION_RETURN;			\
   popq %rdx;					\
-  movq %rdx, (%rax);				\
+  movl %edx, (%rax);				\
   orq $-1, %rax;				\
   jmp L(pseudo_end);
 
@@ -101,7 +101,7 @@
 0:movq errno@GOTPCREL(%RIP), %rcx;		\
   xorq %rdx, %rdx;				\
   subq %rax, %rdx;				\
-  movq %rdx, (%rcx);				\
+  movl %edx, (%rcx);				\
   orq $-1, %rax;				\
   jmp L(pseudo_end);
 #endif	/* _LIBC_REENTRANT */