--- libcoro/coro.c	2003/03/22 23:08:40	1.10
+++ libcoro/coro.c	2005/02/22 19:33:17	1.12
@@ -165,8 +165,8 @@
 # elif CORO_LOOSE
 
   setjmp (ctx->env);
-  ctx->env[7] = (int)((char *)sptr + ssize);
-  ctx->env[8] = (int)coro_init;
+  ctx->env[7] = (long)((char *)sptr + ssize);
+  ctx->env[8] = (long)coro_init;
 
 # elif CORO_LINUX
 
@@ -182,6 +182,9 @@
 #elif defined(__GNU_LIBRARY__) && defined(__i386__)
   ctx->env[0].__jmpbuf[0].__pc = (char *)coro_init;
   ctx->env[0].__jmpbuf[0].__sp = (void *)((char *)sptr + ssize);
+#elif defined(__GNU_LIBRARY__) && defined(__amd64__)
+  ctx->env[0].__jmpbuf[JB_PC]  = (long)coro_init;
+  ctx->env[0].__jmpbuf[JB_RSP] = (long)((char *)sptr + ssize);
 #else
 #error "linux libc or architecture not supported"
 #endif