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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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199 inline void SafeCallTarget(Label* name); | 199 inline void SafeCallTarget(Label* name); |
200 | 200 |
201 // Pushes the value of a register on the backtrack stack. Decrements the | 201 // Pushes the value of a register on the backtrack stack. Decrements the |
202 // stack pointer by a word size and stores the register's value there. | 202 // stack pointer by a word size and stores the register's value there. |
203 inline void Push(Register source); | 203 inline void Push(Register source); |
204 | 204 |
205 // Pops a value from the backtrack stack. Reads the word at the stack pointer | 205 // Pops a value from the backtrack stack. Reads the word at the stack pointer |
206 // and increments it by a word size. | 206 // and increments it by a word size. |
207 inline void Pop(Register target); | 207 inline void Pop(Register target); |
208 | 208 |
209 // Before calling a C-function from generated code, align arguments on stack. | |
210 // After aligning the frame, non-register arguments must be stored in | |
211 // sp[0], sp[4], etc., not pushed. The argument count assumes all arguments | |
212 // are word sized. | |
213 // Some compilers/platforms require the stack to be aligned when calling | |
214 // C++ code. | |
215 // Needs a scratch register to do some arithmetic. This register will be | |
216 // trashed. | |
217 inline void FrameAlign(int num_arguments, Register scratch); | |
218 | |
219 // Calls a C function and cleans up the space for arguments allocated | |
220 // by FrameAlign. The called function is not allowed to trigger a garbage | |
221 // collection. | |
222 inline void CallCFunction(ExternalReference function, | |
223 int num_arguments); | |
224 | |
225 // Calls a C function and cleans up the frame alignment done by | 209 // Calls a C function and cleans up the frame alignment done by |
226 // by FrameAlign. The called function *is* allowed to trigger a garbage | 210 // by FrameAlign. The called function *is* allowed to trigger a garbage |
227 // collection, but may not take more than four arguments (no arguments | 211 // collection, but may not take more than four arguments (no arguments |
228 // passed on the stack), and the first argument will be a pointer to the | 212 // passed on the stack), and the first argument will be a pointer to the |
229 // return address. | 213 // return address. |
230 inline void CallCFunctionUsingStub(ExternalReference function, | 214 inline void CallCFunctionUsingStub(ExternalReference function, |
231 int num_arguments); | 215 int num_arguments); |
232 | 216 |
233 | 217 |
234 MacroAssembler* masm_; | 218 MacroAssembler* masm_; |
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273 int MinorKey() { return 0; } | 257 int MinorKey() { return 0; } |
274 const char* GetName() { return "RegExpCEntryStub"; } | 258 const char* GetName() { return "RegExpCEntryStub"; } |
275 }; | 259 }; |
276 | 260 |
277 #endif // V8_NATIVE_REGEXP | 261 #endif // V8_NATIVE_REGEXP |
278 | 262 |
279 | 263 |
280 }} // namespace v8::internal | 264 }} // namespace v8::internal |
281 | 265 |
282 #endif // V8_ARM_REGEXP_MACRO_ASSEMBLER_ARM_H_ | 266 #endif // V8_ARM_REGEXP_MACRO_ASSEMBLER_ARM_H_ |
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