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Issue 2623133002: X87: [wasm] Prerequisites for WebAssembly Table.Grow. (Closed)
Patch Set: Created 3 years, 11 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions 5 // modification, are permitted provided that the following conditions
6 // are met: 6 // are met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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109 Address RelocInfo::wasm_global_reference() { 109 Address RelocInfo::wasm_global_reference() {
110 DCHECK(IsWasmGlobalReference(rmode_)); 110 DCHECK(IsWasmGlobalReference(rmode_));
111 return Memory::Address_at(pc_); 111 return Memory::Address_at(pc_);
112 } 112 }
113 113
114 uint32_t RelocInfo::wasm_memory_size_reference() { 114 uint32_t RelocInfo::wasm_memory_size_reference() {
115 DCHECK(IsWasmMemorySizeReference(rmode_)); 115 DCHECK(IsWasmMemorySizeReference(rmode_));
116 return Memory::uint32_at(pc_); 116 return Memory::uint32_at(pc_);
117 } 117 }
118 118
119 uint32_t RelocInfo::wasm_function_table_size_reference() {
120 DCHECK(IsWasmFunctionTableSizeReference(rmode_));
121 return Memory::uint32_at(pc_);
122 }
123
119 void RelocInfo::unchecked_update_wasm_memory_reference( 124 void RelocInfo::unchecked_update_wasm_memory_reference(
120 Address address, ICacheFlushMode flush_mode) { 125 Address address, ICacheFlushMode flush_mode) {
121 Memory::Address_at(pc_) = address; 126 Memory::Address_at(pc_) = address;
122 } 127 }
123 128
124 void RelocInfo::unchecked_update_wasm_memory_size(uint32_t size, 129 void RelocInfo::unchecked_update_wasm_size(uint32_t size,
125 ICacheFlushMode flush_mode) { 130 ICacheFlushMode flush_mode) {
126 Memory::uint32_at(pc_) = size; 131 Memory::uint32_at(pc_) = size;
127 } 132 }
128 133
129 // ----------------------------------------------------------------------------- 134 // -----------------------------------------------------------------------------
130 // Implementation of Operand 135 // Implementation of Operand
131 136
132 Operand::Operand(Register base, int32_t disp, RelocInfo::Mode rmode) { 137 Operand::Operand(Register base, int32_t disp, RelocInfo::Mode rmode) {
133 // [base + disp/r] 138 // [base + disp/r]
134 if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) { 139 if (disp == 0 && RelocInfo::IsNone(rmode) && !base.is(ebp)) {
135 // [base] 140 // [base]
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2197 return; 2202 return;
2198 } 2203 }
2199 RelocInfo rinfo(isolate(), pc_, rmode, data, NULL); 2204 RelocInfo rinfo(isolate(), pc_, rmode, data, NULL);
2200 reloc_info_writer.Write(&rinfo); 2205 reloc_info_writer.Write(&rinfo);
2201 } 2206 }
2202 2207
2203 } // namespace internal 2208 } // namespace internal
2204 } // namespace v8 2209 } // namespace v8
2205 2210
2206 #endif // V8_TARGET_ARCH_X87 2211 #endif // V8_TARGET_ARCH_X87
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