1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "LLIntThunks.h"
#if ENABLE(LLINT)
#include "JSInterfaceJIT.h"
#include "JSObject.h"
#include "LinkBuffer.h"
#include "LowLevelInterpreter.h"
namespace JSC { namespace LLInt {
#if !ENABLE(LLINT_C_LOOP)
static MacroAssemblerCodeRef generateThunkWithJumpTo(VM* vm, void (*target)(), const char *thunkKind)
{
JSInterfaceJIT jit;
// FIXME: there's probably a better way to do it on X86, but I'm not sure I care.
jit.move(JSInterfaceJIT::TrustedImmPtr(bitwise_cast<void*>(target)), JSInterfaceJIT::regT0);
jit.jump(JSInterfaceJIT::regT0);
LinkBuffer patchBuffer(*vm, &jit, GLOBAL_THUNK_ID);
return FINALIZE_CODE(patchBuffer, ("LLInt %s prologue thunk", thunkKind));
}
MacroAssemblerCodeRef functionForCallEntryThunkGenerator(VM* vm)
{
return generateThunkWithJumpTo(vm, llint_function_for_call_prologue, "function for call");
}
MacroAssemblerCodeRef functionForConstructEntryThunkGenerator(VM* vm)
{
return generateThunkWithJumpTo(vm, llint_function_for_construct_prologue, "function for construct");
}
MacroAssemblerCodeRef functionForCallArityCheckThunkGenerator(VM* vm)
{
return generateThunkWithJumpTo(vm, llint_function_for_call_arity_check, "function for call with arity check");
}
MacroAssemblerCodeRef functionForConstructArityCheckThunkGenerator(VM* vm)
{
return generateThunkWithJumpTo(vm, llint_function_for_construct_arity_check, "function for construct with arity check");
}
MacroAssemblerCodeRef evalEntryThunkGenerator(VM* vm)
{
return generateThunkWithJumpTo(vm, llint_eval_prologue, "eval");
}
MacroAssemblerCodeRef programEntryThunkGenerator(VM* vm)
{
return generateThunkWithJumpTo(vm, llint_program_prologue, "program");
}
#endif // !ENABLE(LLINT_C_LOOP)
} } // namespace JSC::LLInt
#endif // ENABLE(LLINT)
|
