1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * vim: set ts=8 sts=2 et sw=2 tw=80:
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #include "gdb-tests.h"
8
9 #include "vm/Stack.h"
10
11 namespace js {
12
GDBTestInitInterpreterRegs(InterpreterRegs & regs,js::InterpreterFrame * fp_,JS::Value * sp,uint8_t * pc)13 void GDBTestInitInterpreterRegs(InterpreterRegs& regs,
14 js::InterpreterFrame* fp_, JS::Value* sp,
15 uint8_t* pc) {
16 regs.fp_ = fp_;
17 regs.sp = sp;
18 regs.pc = pc;
19 }
20
GDBTestInitAbstractFramePtr(AbstractFramePtr & frame,InterpreterFrame * ptr)21 void GDBTestInitAbstractFramePtr(AbstractFramePtr& frame,
22 InterpreterFrame* ptr) {
23 MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
24 frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_InterpreterFrame;
25 }
26
GDBTestInitAbstractFramePtr(AbstractFramePtr & frame,jit::BaselineFrame * ptr)27 void GDBTestInitAbstractFramePtr(AbstractFramePtr& frame,
28 jit::BaselineFrame* ptr) {
29 MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
30 frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_BaselineFrame;
31 }
32
GDBTestInitAbstractFramePtr(AbstractFramePtr & frame,jit::RematerializedFrame * ptr)33 void GDBTestInitAbstractFramePtr(AbstractFramePtr& frame,
34 jit::RematerializedFrame* ptr) {
35 MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
36 frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_RematerializedFrame;
37 }
38
GDBTestInitAbstractFramePtr(AbstractFramePtr & frame,wasm::DebugFrame * ptr)39 void GDBTestInitAbstractFramePtr(AbstractFramePtr& frame,
40 wasm::DebugFrame* ptr) {
41 MOZ_ASSERT((uintptr_t(ptr) & AbstractFramePtr::TagMask) == 0);
42 frame.ptr_ = uintptr_t(ptr) | AbstractFramePtr::Tag_WasmDebugFrame;
43 }
44
45 } // namespace js
46
FRAGMENT(Interpreter,Regs)47 FRAGMENT(Interpreter, Regs) {
48 struct FakeFrame {
49 js::InterpreterFrame frame;
50 JS::Value slot0;
51 JS::Value slot1;
52 JS::Value slot2;
53 } fakeFrame;
54 uint8_t fakeOpcode = uint8_t(JSOp::True);
55
56 js::InterpreterRegs regs;
57 js::GDBTestInitInterpreterRegs(regs, &fakeFrame.frame, &fakeFrame.slot2,
58 &fakeOpcode);
59
60 breakpoint();
61
62 use(regs);
63 }
64
FRAGMENT(Interpreter,AbstractFramePtr)65 FRAGMENT(Interpreter, AbstractFramePtr) {
66 js::AbstractFramePtr ifptr;
67 GDBTestInitAbstractFramePtr(ifptr,
68 (js::InterpreterFrame*)uintptr_t(0x8badf00));
69
70 js::AbstractFramePtr bfptr;
71 GDBTestInitAbstractFramePtr(bfptr,
72 (js::jit::BaselineFrame*)uintptr_t(0xbadcafe0));
73
74 js::AbstractFramePtr rfptr;
75 GDBTestInitAbstractFramePtr(
76 rfptr, (js::jit::RematerializedFrame*)uintptr_t(0xdabbad00));
77
78 js::AbstractFramePtr sfptr;
79 GDBTestInitAbstractFramePtr(sfptr,
80 (js::wasm::DebugFrame*)uintptr_t(0xcb98ad00));
81
82 breakpoint();
83
84 use(ifptr);
85 use(bfptr);
86 use(rfptr);
87 use(sfptr);
88 }
89