xref: /aosp_15_r20/external/google-breakpad/src/common/android/include/link.h (revision 9712c20fc9bbfbac4935993a2ca0b3958c5adad2)
1 // Copyright 2012 Google LLC
2 //
3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are
5 // met:
6 //
7 //     * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer.
9 //     * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following disclaimer
11 // in the documentation and/or other materials provided with the
12 // distribution.
13 //     * Neither the name of Google LLC nor the names of its
14 // contributors may be used to endorse or promote products derived from
15 // this software without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 
29 #ifndef GOOGLE_BREAKPAD_ANDROID_INCLUDE_LINK_H
30 #define GOOGLE_BREAKPAD_ANDROID_INCLUDE_LINK_H
31 
32 /* Android doesn't provide all the data-structures required in its <link.h>.
33    Provide custom version here. */
34 #include_next <link.h>
35 
36 #include <android/api-level.h>
37 
38 // TODO(rmcilroy): Remove this file once the NDK API level is updated to at
39 // least 21 for all architectures. https://crbug.com/358831
40 
41 // These structures are only present in traditional headers at API level 21 and
42 // above. Unified headers define these structures regardless of the chosen API
43 // level. __ANDROID_API_N__ is a proxy for determining whether unified headers
44 // are in use. It’s only defined by unified headers.
45 #if __ANDROID_API__ < 21 && !defined(__ANDROID_API_N__)
46 
47 #ifdef __cplusplus
48 extern "C" {
49 #endif  // __cplusplus
50 
51 struct r_debug {
52   int              r_version;
53   struct link_map* r_map;
54   ElfW(Addr)       r_brk;
55   enum {
56     RT_CONSISTENT,
57     RT_ADD,
58     RT_DELETE }    r_state;
59   ElfW(Addr)       r_ldbase;
60 };
61 
62 struct link_map {
63   ElfW(Addr)       l_addr;
64   char*            l_name;
65   ElfW(Dyn)*       l_ld;
66   struct link_map* l_next;
67   struct link_map* l_prev;
68 };
69 
70 #ifdef __cplusplus
71 }  // extern "C"
72 #endif  // __cplusplus
73 
74 #endif  // __ANDROID_API__ < 21 && !defined(__ANDROID_API_N__)
75 
76 #endif /* GOOGLE_BREAKPAD_ANDROID_INCLUDE_LINK_H */
77