8186780: clang fastdebug assertion failure in os_linux_x86:os::verify…

…_stack_alignment() Reviewed-by: jiangli
openjdk · Mar 31, 2020 · 6d44ff7d93400309bbf9150365cac0cd1bed2d62 · 6d44ff7
1 parent 8cb3cc0
commit 6d44ff7d93400309bbf9150365cac0cd1bed2d62
Unified Split

Showing with 1 addition and 6 deletions.

+1 −6 src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp
diff --git a/src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp b/src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp
@@ -98,13 +98,8 @@ address os::current_stack_pointer() {
   void *esp;
   __asm__("mov %%" SPELL_REG_SP ", %0":"=r"(esp));
   return (address) ((char*)esp + sizeof(long)*2);
-#elif defined(__clang__)
-  void* esp;
-  __asm__ __volatile__ ("mov %%" SPELL_REG_SP ", %0":"=r"(esp):);
-  return (address) esp;
 #else
-  register void *esp __asm__ (SPELL_REG_SP);
-  return (address) esp;
+  return (address)__builtin_frame_address(0);
 #endif
 }