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Issue 2105023008: PPC/s390: [builtins] New frame type for exits to C++ builtins (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #if V8_TARGET_ARCH_PPC 5 #if V8_TARGET_ARCH_PPC
6 6
7 #include "src/code-stubs.h" 7 #include "src/code-stubs.h"
8 #include "src/api-arguments.h" 8 #include "src/api-arguments.h"
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/bootstrapper.h" 10 #include "src/bootstrapper.h"
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921 int arg_stack_space = 1; 921 int arg_stack_space = 1;
922 922
923 // Pass buffer for return value on stack if necessary 923 // Pass buffer for return value on stack if necessary
924 bool needs_return_buffer = 924 bool needs_return_buffer =
925 result_size() > 2 || 925 result_size() > 2 ||
926 (result_size() == 2 && !ABI_RETURNS_OBJECT_PAIRS_IN_REGS); 926 (result_size() == 2 && !ABI_RETURNS_OBJECT_PAIRS_IN_REGS);
927 if (needs_return_buffer) { 927 if (needs_return_buffer) {
928 arg_stack_space += result_size(); 928 arg_stack_space += result_size();
929 } 929 }
930 930
931 __ EnterExitFrame(save_doubles(), arg_stack_space); 931 __ EnterExitFrame(save_doubles(), arg_stack_space, is_builtin_exit()
932 ? StackFrame::BUILTIN_EXIT
933 : StackFrame::EXIT);
932 934
933 // Store a copy of argc in callee-saved registers for later. 935 // Store a copy of argc in callee-saved registers for later.
934 __ mr(r14, r3); 936 __ mr(r14, r3);
935 937
936 // r3, r14: number of arguments including receiver (C callee-saved) 938 // r3, r14: number of arguments including receiver (C callee-saved)
937 // r4: pointer to the first argument 939 // r4: pointer to the first argument
938 // r15: pointer to builtin function (C callee-saved) 940 // r15: pointer to builtin function (C callee-saved)
939 941
940 // Result returned in registers or stack, depending on result size and ABI. 942 // Result returned in registers or stack, depending on result size and ABI.
941 943
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5491 fp, (PropertyCallbackArguments::kReturnValueOffset + 3) * kPointerSize); 5493 fp, (PropertyCallbackArguments::kReturnValueOffset + 3) * kPointerSize);
5492 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, 5494 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref,
5493 kStackUnwindSpace, NULL, return_value_operand, NULL); 5495 kStackUnwindSpace, NULL, return_value_operand, NULL);
5494 } 5496 }
5495 5497
5496 #undef __ 5498 #undef __
5497 } // namespace internal 5499 } // namespace internal
5498 } // namespace v8 5500 } // namespace v8
5499 5501
5500 #endif // V8_TARGET_ARCH_PPC 5502 #endif // V8_TARGET_ARCH_PPC
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