JNI methods can signal exceptions but those exceptions are not technically
thrown until JNI method returns to JIT code. We must therefore test for
exceptions signalled by JNI methods upon return. This test is cheap for
non-exceptional flow but is expensive in the other case.
Signed-off-by: Tomek Grabiec <tgrab...@gmail.com>
---
arch/x86/insn-selector.brg | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/insn-selector.brg b/arch/x86/insn-selector.brg
index d9142fa..aa6f4ef 100644
--- a/arch/x86/insn-selector.brg
+++ b/arch/x86/insn-selector.brg
@@ -2059,6 +2059,9 @@ static void invoke(struct basic_block *s, struct
tree_node *tree, struct compila
if (method->args_count)
method_args_cleanup(s, tree, method->args_count);
+
+ if (vm_method_is_jni(method))
+ select_exception_test(s, tree);
}
--
1.6.0.6
------------------------------------------------------------------------------
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