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1 // Copyright 2014 The Crashpad Authors. All rights reserved. | 1 // Copyright 2014 The Crashpad Authors. All rights reserved. |
2 // | 2 // |
3 // Licensed under the Apache License, Version 2.0 (the "License"); | 3 // Licensed under the Apache License, Version 2.0 (the "License"); |
4 // you may not use this file except in compliance with the License. | 4 // you may not use this file except in compliance with the License. |
5 // You may obtain a copy of the License at | 5 // You may obtain a copy of the License at |
6 // | 6 // |
7 // http://www.apache.org/licenses/LICENSE-2.0 | 7 // http://www.apache.org/licenses/LICENSE-2.0 |
8 // | 8 // |
9 // Unless required by applicable law or agreed to in writing, software | 9 // Unless required by applicable law or agreed to in writing, software |
10 // distributed under the License is distributed on an "AS IS" BASIS, | 10 // distributed under the License is distributed on an "AS IS" BASIS, |
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 // See the License for the specific language governing permissions and | 12 // See the License for the specific language governing permissions and |
13 // limitations under the License. | 13 // limitations under the License. |
14 | 14 |
15 #include "util/mac/mach_o_image_segment_reader.h" | 15 #include "snapshot/mac/mach_o_image_segment_reader.h" |
16 | 16 |
17 #include <mach-o/loader.h> | 17 #include <mach-o/loader.h> |
18 | 18 |
19 #include "base/logging.h" | 19 #include "base/logging.h" |
20 #include "base/strings/stringprintf.h" | 20 #include "base/strings/stringprintf.h" |
| 21 #include "snapshot/mac/process_reader.h" |
21 #include "util/mac/checked_mach_address_range.h" | 22 #include "util/mac/checked_mach_address_range.h" |
22 #include "util/mac/process_reader.h" | |
23 #include "util/stdlib/strnlen.h" | 23 #include "util/stdlib/strnlen.h" |
24 | 24 |
25 namespace crashpad { | 25 namespace crashpad { |
26 | 26 |
27 namespace { | 27 namespace { |
28 | 28 |
29 std::string SizeLimitedCString(const char* c_string, size_t max_length) { | 29 std::string SizeLimitedCString(const char* c_string, size_t max_length) { |
30 return std::string(c_string, strnlen(c_string, max_length)); | 30 return std::string(c_string, strnlen(c_string, max_length)); |
31 } | 31 } |
32 | 32 |
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72 kRequiredSize) << load_command_info; | 72 kRequiredSize) << load_command_info; |
73 return false; | 73 return false; |
74 } | 74 } |
75 | 75 |
76 std::string segment_name = NameInternal(); | 76 std::string segment_name = NameInternal(); |
77 std::string segment_info = base::StringPrintf( | 77 std::string segment_info = base::StringPrintf( |
78 ", segment %s%s", segment_name.c_str(), load_command_info.c_str()); | 78 ", segment %s%s", segment_name.c_str(), load_command_info.c_str()); |
79 | 79 |
80 // This checks the unslid segment range. The slid range (as loaded into | 80 // This checks the unslid segment range. The slid range (as loaded into |
81 // memory) will be checked later by MachOImageReader. | 81 // memory) will be checked later by MachOImageReader. |
82 CheckedMachAddressRange segment_range( | 82 CheckedMachAddressRange segment_range(process_reader->Is64Bit(), |
83 process_reader, segment_command_.vmaddr, segment_command_.vmsize); | 83 segment_command_.vmaddr, |
| 84 segment_command_.vmsize); |
84 if (!segment_range.IsValid()) { | 85 if (!segment_range.IsValid()) { |
85 LOG(WARNING) << base::StringPrintf("invalid segment range 0x%llx + 0x%llx", | 86 LOG(WARNING) << base::StringPrintf("invalid segment range 0x%llx + 0x%llx", |
86 segment_command_.vmaddr, | 87 segment_command_.vmaddr, |
87 segment_command_.vmsize) << segment_info; | 88 segment_command_.vmsize) << segment_info; |
88 return false; | 89 return false; |
89 } | 90 } |
90 | 91 |
91 sections_.resize(segment_command_.nsects); | 92 sections_.resize(segment_command_.nsects); |
92 if (!process_types::section::ReadArrayInto( | 93 if (!process_types::section::ReadArrayInto( |
93 process_reader, | 94 process_reader, |
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113 sections_.size(), | 114 sections_.size(), |
114 load_command_info.c_str()); | 115 load_command_info.c_str()); |
115 | 116 |
116 if (section_segment_name != segment_name) { | 117 if (section_segment_name != segment_name) { |
117 LOG(WARNING) << "section.segname incorrect in segment " << segment_name | 118 LOG(WARNING) << "section.segname incorrect in segment " << segment_name |
118 << section_info; | 119 << section_info; |
119 return false; | 120 return false; |
120 } | 121 } |
121 | 122 |
122 CheckedMachAddressRange section_range( | 123 CheckedMachAddressRange section_range( |
123 process_reader, section.addr, section.size); | 124 process_reader->Is64Bit(), section.addr, section.size); |
124 if (!section_range.IsValid()) { | 125 if (!section_range.IsValid()) { |
125 LOG(WARNING) << base::StringPrintf( | 126 LOG(WARNING) << base::StringPrintf( |
126 "invalid section range 0x%llx + 0x%llx", | 127 "invalid section range 0x%llx + 0x%llx", |
127 section.addr, | 128 section.addr, |
128 section.size) << section_info; | 129 section.size) << section_info; |
129 return false; | 130 return false; |
130 } | 131 } |
131 | 132 |
132 if (!segment_range.ContainsRange(section_range)) { | 133 if (!segment_range.ContainsRange(section_range)) { |
133 LOG(WARNING) << base::StringPrintf( | 134 LOG(WARNING) << base::StringPrintf( |
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266 } | 267 } |
267 | 268 |
268 void MachOImageSegmentReader::SetSlide(mach_vm_size_t slide) { | 269 void MachOImageSegmentReader::SetSlide(mach_vm_size_t slide) { |
269 INITIALIZATION_STATE_DCHECK_VALID(initialized_); | 270 INITIALIZATION_STATE_DCHECK_VALID(initialized_); |
270 INITIALIZATION_STATE_SET_INITIALIZING(initialized_slide_); | 271 INITIALIZATION_STATE_SET_INITIALIZING(initialized_slide_); |
271 slide_ = slide; | 272 slide_ = slide; |
272 INITIALIZATION_STATE_SET_VALID(initialized_slide_); | 273 INITIALIZATION_STATE_SET_VALID(initialized_slide_); |
273 } | 274 } |
274 | 275 |
275 } // namespace crashpad | 276 } // namespace crashpad |
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