1 //===-- ProcessWindows.cpp --------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "ProcessWindows.h"
11 
12 // Other libraries and framework includes
13 #include "lldb/Core/Module.h"
14 #include "lldb/Core/ModuleSpec.h"
15 #include "lldb/Core/PluginManager.h"
16 #include "lldb/Core/Section.h"
17 #include "lldb/Core/State.h"
18 #include "lldb/Host/windows/windows.h"
19 #include "lldb/Target/DynamicLoader.h"
20 #include "lldb/Target/MemoryRegionInfo.h"
21 #include "lldb/Target/Target.h"
22 
23 using namespace lldb;
24 using namespace lldb_private;
25 
26 namespace lldb_private
27 {
28 
29 //------------------------------------------------------------------------------
30 // Constructors and destructors.
31 
32 ProcessWindows::ProcessWindows(lldb::TargetSP target_sp, Listener &listener)
33     : lldb_private::Process(target_sp, listener)
34 {
35 }
36 
37 ProcessWindows::~ProcessWindows()
38 {
39 }
40 
41 size_t
42 ProcessWindows::GetSTDOUT(char *buf, size_t buf_size, Error &error)
43 {
44     error.SetErrorString("GetSTDOUT unsupported on Windows");
45     return 0;
46 }
47 
48 size_t
49 ProcessWindows::GetSTDERR(char *buf, size_t buf_size, Error &error)
50 {
51     error.SetErrorString("GetSTDERR unsupported on Windows");
52     return 0;
53 }
54 
55 size_t
56 ProcessWindows::PutSTDIN(const char *buf, size_t buf_size, Error &error)
57 {
58     error.SetErrorString("PutSTDIN unsupported on Windows");
59     return 0;
60 }
61 
62 //------------------------------------------------------------------------------
63 // ProcessInterface protocol.
64 
65 
66 lldb::addr_t
67 ProcessWindows::GetImageInfoAddress()
68 {
69     Target &target = GetTarget();
70     ObjectFile *obj_file = target.GetExecutableModule()->GetObjectFile();
71     Address addr = obj_file->GetImageInfoAddress(&target);
72     if (addr.IsValid())
73         return addr.GetLoadAddress(&target);
74     else
75         return LLDB_INVALID_ADDRESS;
76 }
77 
78 // The Windows page protection bits are NOT independent masks that can be bitwise-ORed
79 // together.  For example, PAGE_EXECUTE_READ is not (PAGE_EXECUTE | PAGE_READ).
80 // To test for an access type, it's necessary to test for any of the bits that provide
81 // that access type.
82 bool
83 ProcessWindows::IsPageReadable(uint32_t protect)
84 {
85     return (protect & PAGE_NOACCESS) == 0;
86 }
87 
88 bool
89 ProcessWindows::IsPageWritable(uint32_t protect)
90 {
91     return (protect & (PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY | PAGE_READWRITE | PAGE_WRITECOPY)) != 0;
92 }
93 
94 bool
95 ProcessWindows::IsPageExecutable(uint32_t protect)
96 {
97     return (protect & (PAGE_EXECUTE | PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY)) != 0;
98 }
99 
100 }
101