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[x86/Linux] Stack alignment check in Hijack Helpers (#11221)
authorJonghyun Park <parjong@gmail.com>
Wed, 26 Apr 2017 12:49:07 +0000 (21:49 +0900)
committerJan Kotas <jkotas@microsoft.com>
Wed, 26 Apr 2017 12:49:07 +0000 (05:49 -0700)
src/vm/i386/asmhelpers.S patch | blob | history

diff --git a/src/vm/i386/asmhelpers.S b/src/vm/i386/asmhelpers.S
index 9bb4566d2dea17e00f3ad938b61a2d6c59acf318..75f4a26a802d915e226484cbd5fc5ad9fb2cfcd4 100644 (file)
--- a/src/vm/i386/asmhelpers.S
+++ b/src/vm/i386/asmhelpers.S
@@ -439,6 +439,7 @@ NESTED_ENTRY OnHijackTripThread, _TEXT, NoHandler
     sub     esp,12
 
     push    esp
+    CHECK_STACK_ALIGNMENT
     call    C_FUNC(OnHijackWorker)
 
     // unused space for floating point state
@@ -474,6 +475,7 @@ NESTED_ENTRY OnHijackFPTripThread, _TEXT, NoHandler
     fstp    QWORD PTR [esp]
 
     push    esp
+    CHECK_STACK_ALIGNMENT
     call    C_FUNC(OnHijackWorker)
 
     // restore top of the floating point stack