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
88
89
90
91
92
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "gdb-tests.h"
#include "jsapi.h"
#include "vm/Stack.h"
namespace js {
void
GDBTestInitInterpreterRegs(InterpreterRegs& regs,
js::InterpreterFrame* fp_,
JS::Value* sp,
uint8_t* pc)
{
regs.fp_ = fp_;
regs.sp = sp;
regs.pc = pc;
}
void
GDBTestInitAbstractFramePtr(AbstractFramePtr& frame, void* ptr)
{
MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_ScriptFrameIterData;
}
void
GDBTestInitAbstractFramePtr(AbstractFramePtr& frame, InterpreterFrame* ptr)
{
MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_InterpreterFrame;
}
void
GDBTestInitAbstractFramePtr(AbstractFramePtr& frame, jit::BaselineFrame* ptr)
{
MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_BaselineFrame;
}
void
GDBTestInitAbstractFramePtr(AbstractFramePtr& frame, jit::RematerializedFrame* ptr)
{
MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_RematerializedFrame;
}
} // namespace js
FRAGMENT(Interpreter, Regs) {
struct FakeFrame {
js::InterpreterFrame frame;
JS::Value slot0;
JS::Value slot1;
JS::Value slot2;
} fakeFrame;
uint8_t fakeOpcode = JSOP_IFEQ;
js::InterpreterRegs regs;
js::GDBTestInitInterpreterRegs(regs, &fakeFrame.frame, &fakeFrame.slot2, &fakeOpcode);
breakpoint();
(void) regs;
}
FRAGMENT(Interpreter, AbstractFramePtr) {
js::AbstractFramePtr sfidptr;
GDBTestInitAbstractFramePtr(sfidptr, (js::ScriptFrameIter::Data*) uintptr_t(0xdeeb0));
js::AbstractFramePtr ifptr;
GDBTestInitAbstractFramePtr(ifptr, (js::InterpreterFrame*) uintptr_t(0x8badf00));
js::AbstractFramePtr bfptr;
GDBTestInitAbstractFramePtr(bfptr, (js::jit::BaselineFrame*) uintptr_t(0xbadcafe0));
js::AbstractFramePtr rfptr;
GDBTestInitAbstractFramePtr(rfptr, (js::jit::RematerializedFrame*) uintptr_t(0xdabbad00));
breakpoint();
(void) sfidptr;
(void) ifptr;
(void) bfptr;
(void) rfptr;
}
|