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Side by Side Diff: src/arm64/macro-assembler-arm64.h

Issue 2106113002: Revert of [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 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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 #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ 5 #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_H_
6 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ 6 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "src/arm64/assembler-arm64.h" 10 #include "src/arm64/assembler-arm64.h"
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1167 void CallCFunction(ExternalReference function, 1167 void CallCFunction(ExternalReference function,
1168 int num_reg_arguments); 1168 int num_reg_arguments);
1169 void CallCFunction(ExternalReference function, 1169 void CallCFunction(ExternalReference function,
1170 int num_reg_arguments, 1170 int num_reg_arguments,
1171 int num_double_arguments); 1171 int num_double_arguments);
1172 void CallCFunction(Register function, 1172 void CallCFunction(Register function,
1173 int num_reg_arguments, 1173 int num_reg_arguments,
1174 int num_double_arguments); 1174 int num_double_arguments);
1175 1175
1176 // Jump to a runtime routine. 1176 // Jump to a runtime routine.
1177 void JumpToExternalReference(const ExternalReference& builtin, 1177 void JumpToExternalReference(const ExternalReference& builtin);
1178 bool builtin_exit_frame = false);
1179 1178
1180 // Convenience function: call an external reference. 1179 // Convenience function: call an external reference.
1181 void CallExternalReference(const ExternalReference& ext, 1180 void CallExternalReference(const ExternalReference& ext,
1182 int num_arguments); 1181 int num_arguments);
1183 1182
1184 1183
1185 void Jump(Register target); 1184 void Jump(Register target);
1186 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al); 1185 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al);
1187 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al); 1186 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al);
1188 void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al); 1187 void Jump(intptr_t target, RelocInfo::Mode rmode, Condition cond = al);
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1696 // fp -> fp[0]: CallerFP (old fp) 1695 // fp -> fp[0]: CallerFP (old fp)
1697 // fp[-8]: SPOffset (new csp) 1696 // fp[-8]: SPOffset (new csp)
1698 // fp[-16]: CodeObject() 1697 // fp[-16]: CodeObject()
1699 // fp[-16 - fp-size]: Saved doubles, if saved_doubles is true. 1698 // fp[-16 - fp-size]: Saved doubles, if saved_doubles is true.
1700 // csp[8]: Memory reserved for the caller if extra_space != 0. 1699 // csp[8]: Memory reserved for the caller if extra_space != 0.
1701 // Alignment padding, if necessary. 1700 // Alignment padding, if necessary.
1702 // csp -> csp[0]: Space reserved for the return address. 1701 // csp -> csp[0]: Space reserved for the return address.
1703 // 1702 //
1704 // This function also stores the new frame information in the top frame, so 1703 // This function also stores the new frame information in the top frame, so
1705 // that the new frame becomes the current frame. 1704 // that the new frame becomes the current frame.
1706 void EnterExitFrame(bool save_doubles, const Register& scratch, 1705 void EnterExitFrame(bool save_doubles,
1707 int extra_space = 0, 1706 const Register& scratch,
1708 StackFrame::Type frame_type = StackFrame::EXIT); 1707 int extra_space = 0);
1709 1708
1710 // Leave the current exit frame, after a C function has returned to generated 1709 // Leave the current exit frame, after a C function has returned to generated
1711 // (JavaScript) code. 1710 // (JavaScript) code.
1712 // 1711 //
1713 // This effectively unwinds the operation of EnterExitFrame: 1712 // This effectively unwinds the operation of EnterExitFrame:
1714 // * Preserved doubles are restored (if restore_doubles is true). 1713 // * Preserved doubles are restored (if restore_doubles is true).
1715 // * The frame information is removed from the top frame. 1714 // * The frame information is removed from the top frame.
1716 // * The exit frame is dropped. 1715 // * The exit frame is dropped.
1717 // * The stack pointer is reset to jssp. 1716 // * The stack pointer is reset to jssp.
1718 // 1717 //
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2313 #error "Unsupported option" 2312 #error "Unsupported option"
2314 #define CODE_COVERAGE_STRINGIFY(x) #x 2313 #define CODE_COVERAGE_STRINGIFY(x) #x
2315 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) 2314 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
2316 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) 2315 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
2317 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> 2316 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
2318 #else 2317 #else
2319 #define ACCESS_MASM(masm) masm-> 2318 #define ACCESS_MASM(masm) masm->
2320 #endif 2319 #endif
2321 2320
2322 #endif // V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ 2321 #endif // V8_ARM64_MACRO_ASSEMBLER_ARM64_H_
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