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Unified Diff: src/x64/macro-assembler-x64.h

Issue 8462010: Add a level of indirection to exception handler addresses. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Incorporate review changes. Created 9 years, 1 month ago
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Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index 3a655efc8b7d06c928fb47e51082b2d99b72eb8e..e1823bf562cd54ca05d5b6e4e5d9afdef4349239 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -933,9 +933,10 @@ class MacroAssembler: public Assembler {
// ---------------------------------------------------------------------------
// Exception handling
- // Push a new try handler and link into try handler chain. The return
- // address must be pushed before calling this helper.
- void PushTryHandler(CodeLocation try_location, HandlerType type);
+ // Push a new try handler and link it into try handler chain.
+ void PushTryHandler(CodeLocation try_location,
+ HandlerType type,
+ int handler_index);
// Unlink the stack handler on top of the stack from the try handler chain.
void PopTryHandler();
@@ -1326,6 +1327,10 @@ class MacroAssembler: public Assembler {
Register bitmap_reg,
Register mask_reg);
+ // Helper for throwing exceptions. Compute a handler address and jump to
+ // it. See the implementation for register usage.
+ void JumpToHandlerEntry();
+
// Compute memory operands for safepoint stack slots.
Operand SafepointRegisterSlot(Register reg);
static int SafepointRegisterStackIndex(int reg_code) {
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