X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fbacktrace.c;h=2f47809326ddc9d380e558feb5c5625d31ffdaf8;hb=1264cb08bfcc5cd9372decb53d3e3a7d07cc3a2b;hp=42ab8c48b70b59524c054530385f14c060b75cf7;hpb=7559c396688cbbc6fab80897bbb4b993646bcf54;p=openvswitch

diff --git a/lib/backtrace.c b/lib/backtrace.c
index 42ab8c48..2f478093 100644
--- a/lib/backtrace.c
+++ b/lib/backtrace.c
@@ -73,6 +73,10 @@ stack_low(void)
     uintptr_t low;
     asm("movl %%esp,%0" : "=g" (low));
     return low;
+#elif __x86_64__
+    uintptr_t low;
+    asm("movq %%rsp,%0" : "=g" (low));
+    return low;
 #else
     /* This causes a warning in GCC that cannot be disabled, so use it only on
      * non-x86. */