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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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274 // Caught exception: Store result (exception) in the pending | 274 // Caught exception: Store result (exception) in the pending |
275 // exception field in the JSEnv and return a failure sentinel. | 275 // exception field in the JSEnv and return a failure sentinel. |
276 ExternalReference pending_exception(Top::k_pending_exception_address); | 276 ExternalReference pending_exception(Top::k_pending_exception_address); |
277 __ store_rax(pending_exception); | 277 __ store_rax(pending_exception); |
278 __ movq(rax, Failure::Exception(), RelocInfo::NONE); | 278 __ movq(rax, Failure::Exception(), RelocInfo::NONE); |
279 __ jmp(&exit); | 279 __ jmp(&exit); |
280 | 280 |
281 // Invoke: Link this frame into the handler chain. | 281 // Invoke: Link this frame into the handler chain. |
282 __ bind(&invoke); | 282 __ bind(&invoke); |
283 __ PushTryHandler(IN_JS_ENTRY, JS_ENTRY_HANDLER); | 283 __ PushTryHandler(IN_JS_ENTRY, JS_ENTRY_HANDLER); |
284 __ push(rax); // flush TOS | |
285 | 284 |
286 // Clear any pending exceptions. | 285 // Clear any pending exceptions. |
287 __ load_rax(ExternalReference::the_hole_value_location()); | 286 __ load_rax(ExternalReference::the_hole_value_location()); |
288 __ store_rax(pending_exception); | 287 __ store_rax(pending_exception); |
289 | 288 |
290 // Fake a receiver (NULL). | 289 // Fake a receiver (NULL). |
291 __ push(Immediate(0)); // receiver | 290 __ push(Immediate(0)); // receiver |
292 | 291 |
293 // Invoke the function by calling through JS entry trampoline | 292 // Invoke the function by calling through JS entry trampoline |
294 // builtin and pop the faked function when we return. We load the address | 293 // builtin and pop the faked function when we return. We load the address |
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327 | 326 |
328 // Restore frame pointer and return. | 327 // Restore frame pointer and return. |
329 __ pop(rbp); | 328 __ pop(rbp); |
330 __ ret(0); | 329 __ ret(0); |
331 } | 330 } |
332 | 331 |
333 | 332 |
334 #undef __ | 333 #undef __ |
335 | 334 |
336 } } // namespace v8::internal | 335 } } // namespace v8::internal |
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