1// REQUIRES: lld
2
3// Now test with DWARF5
4// RUN: %clang -target x86_64-pc-linux -gsplit-dwarf -gdwarf-5 -c %s -o %t.dwarf5.o
5// RUN: ld.lld %t.dwarf5.o -o %t.dwarf5
6// RUN: llvm-dwp %t.dwarf5.dwo -o %t.dwarf5.dwp
7// RUN: rm %t.dwarf5.dwo
8// RUN: llvm-objcopy --only-keep-debug %t.dwarf5 %t.dwarf5.debug
9// RUN: llvm-objcopy --strip-all --add-gnu-debuglink=%t.dwarf5.debug %t.dwarf5
10// RUN: %lldb \
11// RUN: -O "log enable dwarf split" \
12// RUN: -o "target variable a" \
13// RUN: -b %t.dwarf5 | FileCheck %s
14
15// Run one time with the index cache enabled to populate the index cache. When
16// we populate the index cache we have to parse all of the DWARF debug info
17// and it is always available.
18// RUN: rm -rf %t.lldb-index-cache
19// RUN: %lldb \
20// RUN: -O 'settings set symbols.enable-lldb-index-cache true' \
21// RUN: -O 'settings set symbols.lldb-index-cache-path %t.lldb-index-cache' \
22// RUN: -O 'settings set target.preload-symbols false' \
23// RUN: -o "script lldb.target.modules[0].FindTypes('::A').GetTypeAtIndex(0)" \
24// RUN: -o "statistics dump" \
25// RUN: %t.dwarf5 -b | FileCheck %s -check-prefix=CACHE
26
27// Run again after index cache was enabled, which load the index cache. When we
28// load the index cache from disk, we don't have any DWARF parsed yet and this
29// can cause us to try and access information in the .dwp directly without
30// parsing the .debug_info, but this caused crashes when the DWO files didn't
31// have a backlink to the skeleton compile unit. This test verifies that we
32// don't crash and that we can find types when using .dwp files.
33// RUN: %lldb \
34// RUN: -O 'settings set symbols.enable-lldb-index-cache true' \
35// RUN: -O 'settings set symbols.lldb-index-cache-path %t.lldb-index-cache' \
36// RUN: -O 'settings set target.preload-symbols false' \
37// RUN: -o "script lldb.target.modules[0].FindTypes('::A').GetTypeAtIndex(0)" \
38// RUN: -o "statistics dump" \
39// RUN: %t.dwarf5 -b | FileCheck %s -check-prefix=CACHED
40
41// Make sure that if we load the "%t.dwarf5.debug" file, that we can find and
42// load the .dwo file from the .dwp when it is "%t.dwarf5.dwp"
43// RUN: %lldb %t.dwarf5.debug -o "b main" -b | FileCheck %s -check-prefix=DEBUG
44
45// Make sure that if we load the "%t.dwarf5" file, that we can find and
46// load the .dwo file from the .dwp when it is "%t.dwarf5.debug.dwp"
47// RUN: mv %t.dwarf5.dwp %t.dwarf5.debug.dwp
48// RUN: %lldb %t.dwarf5 -o "b main" -b | FileCheck %s -check-prefix=DEBUG
49
50// Make sure that if we load the "%t.dwarf5.debug" file, that we can find and
51// load the .dwo file from the .dwp when it is "%t.dwarf5.debug.dwp"
52// RUN: %lldb %t.dwarf5.debug -o "b main" -b | FileCheck %s -check-prefix=DEBUG
53
54// Make sure that if we remove the .dwp file we see an appropriate error.
55// RUN: rm %t.dwarf5.debug.dwp
56// RUN: %lldb \
57// RUN: -O "log enable dwarf split" \
58// RUN: -o "b main" \
59// RUN: -b %t.dwarf5 2>&1 | FileCheck %s -check-prefix=NODWP
60
61// RUN: %lldb \
62// RUN: -O "log enable dwarf split" \
63// RUN: -o "b main" \
64// RUN: -b %t.dwarf5.debug 2>&1 | FileCheck %s -check-prefix=NODWP
65
66// Now test with DWARF4
67// RUN: %clang -target x86_64-pc-linux -gsplit-dwarf -gdwarf-4 -c %s -o %t.dwarf4.o
68// RUN: ld.lld %t.dwarf4.o -o %t.dwarf4
69// RUN: llvm-dwp %t.dwarf4.dwo -o %t.dwarf4.dwp
70// RUN: rm %t.dwarf4.dwo
71// RUN: llvm-objcopy --only-keep-debug %t.dwarf4 %t.dwarf4.debug
72// RUN: llvm-objcopy --strip-all --add-gnu-debuglink=%t.dwarf4.debug %t.dwarf4
73// RUN: %lldb \
74// RUN: -O "log enable dwarf split" \
75// RUN: -o "target variable a" \
76// RUN: -b %t.dwarf4 | FileCheck %s
77
78// Run one time with the index cache enabled to populate the index cache. When
79// we populate the index cache we have to parse all of the DWARF debug info
80// and it is always available.
81// RUN: rm -rf %t.lldb-index-cache
82// RUN: %lldb \
83// RUN: -O 'settings set symbols.enable-lldb-index-cache true' \
84// RUN: -O 'settings set symbols.lldb-index-cache-path %t.lldb-index-cache' \
85// RUN: -O 'settings set target.preload-symbols false' \
86// RUN: -o "script lldb.target.modules[0].FindTypes('::A').GetTypeAtIndex(0)" \
87// RUN: -o "statistics dump" \
88// RUN: %t.dwarf4 -b | FileCheck %s -check-prefix=CACHE
89
90// Run again after index cache was enabled, which load the index cache. When we
91// load the index cache from disk, we don't have any DWARF parsed yet and this
92// can cause us to try and access information in the .dwp directly without
93// parsing the .debug_info, but this caused crashes when the DWO files didn't
94// have a backlink to the skeleton compile unit. This test verifies that we
95// don't crash and that we can find types when using .dwp files.
96// RUN: %lldb \
97// RUN: -O 'settings set symbols.enable-lldb-index-cache true' \
98// RUN: -O 'settings set symbols.lldb-index-cache-path %t.lldb-index-cache' \
99// RUN: -O 'settings set target.preload-symbols false' \
100// RUN: -o "script lldb.target.modules[0].FindTypes('::A').GetTypeAtIndex(0)" \
101// RUN: -o "statistics dump" \
102// RUN: %t.dwarf4 -b | FileCheck %s -check-prefix=CACHED
103
104// Make sure that if we load the "%t.dwarf4.debug" file, that we can find and
105// load the .dwo file from the .dwp when it is "%t.dwarf4.dwp"
106// RUN: %lldb %t.dwarf4.debug -o "b main" -b | FileCheck %s -check-prefix=DEBUG
107
108// Make sure that if we load the "%t.dwarf4" file, that we can find and
109// load the .dwo file from the .dwp when it is "%t.dwarf4.debug.dwp"
110// RUN: mv %t.dwarf4.dwp %t.dwarf4.debug.dwp
111// RUN: %lldb %t.dwarf4 -o "b main" -b | FileCheck %s -check-prefix=DEBUG
112
113// Make sure that if we load the "%t.dwarf4.debug" file, that we can find and
114// load the .dwo file from the .dwp when it is "%t.dwarf4.debug.dwp"
115// RUN: %lldb %t.dwarf4.debug -o "b main" -b | FileCheck %s -check-prefix=DEBUG
116
117// Make sure that if we remove the .dwp file we see an appropriate error.
118// RUN: rm %t.dwarf4.debug.dwp
119// RUN: %lldb \
120// RUN: -O "log enable dwarf split" \
121// RUN: -o "b main" \
122// RUN: -b %t.dwarf4 2>&1 | FileCheck %s -check-prefix=NODWP
123
124// RUN: %lldb \
125// RUN: -O "log enable dwarf split" \
126// RUN: -o "b main" \
127// RUN: -b %t.dwarf4.debug 2>&1 | FileCheck %s -check-prefix=NODWP
128
129// Test if we have a GNU build ID in our main executable and in our debug file,
130// and we have a .dwp file that doesn't, that we can still load our .dwp file.
131// RUN: %clang -target x86_64-pc-linux -gsplit-dwarf -gdwarf-5 -c %s -o %t.o
132// RUN: ld.lld %t.o --build-id=md5 -o %t
133// RUN: llvm-dwp %t.dwo -o %t.dwp
134// RUN: rm %t.dwo
135// RUN: llvm-objcopy --only-keep-debug %t %t.debug
136// RUN: llvm-objcopy --strip-all --add-gnu-debuglink=%t.debug %t
137// RUN: %lldb \
138// RUN: -O "log enable dwarf split" \
139// RUN: -o "target variable a" \
140// RUN: -b %t | FileCheck %s
141
142// Now move the .debug and .dwp file into another directory so that we can use
143// the target.debug-file-search-paths setting to search for the files.
144// RUN: mkdir -p %t-debug-info-dir
145// RUN: mv %t.dwp %t-debug-info-dir
146// RUN: mv %t.debug %t-debug-info-dir
147// RUN: %lldb \
148// RUN: -O "log enable dwarf split" \
149// RUN: -O "setting set target.debug-file-search-paths '%t-debug-info-dir'" \
150// RUN: -o "target variable a" \
151// RUN: -b %t | FileCheck %s
152// RUN:
153
154// Now move the .debug and .dwp file into another directory so that we can use
155// the target.debug-file-search-paths setting to search for the files.
156// CHECK: Searching for DWP using:
157// CHECK: Found DWP file:
158// CHECK: (A) a = (x = 47)
159
160// CACHE: script lldb.target.modules[0].FindTypes('::A').GetTypeAtIndex(0)
161// CACHE: struct A {
162// CACHE-NEXT: int x;
163// CACHE-NEXT: }
164// CACHE: "totalDebugInfoIndexSavedToCache": 1
165
166// CACHED: script lldb.target.modules[0].FindTypes('::A').GetTypeAtIndex(0)
167// CACHED: struct A {
168// CACHED-NEXT: int x;
169// CACHED-NEXT: }
170// CACHED: "totalDebugInfoIndexLoadedFromCache": 1
171
172// Make sure debug information was loaded by verifying that the
173// DEBUG: Breakpoint 1: where = dwp-separate-debug-file.cpp.tmp.dwarf{{[45]}}{{(\.debug)?}}`main + {{[0-9]+}} at dwp-separate-debug-file.cpp:{{[0-9]+}}:{{[0-9]+}}, address = {{0x[0-9a-fA-F]+}}
174
175// Make sure if we load the stripped binary or the debug info file with no .dwp
176// nor any .dwo files that we are not able to fine the .dwp or .dwo files.
177// NODWP: Searching for DWP using:
178// NODWP: Searching for DWP using:
179// NODWP: Unable to locate for DWP file for:
180// NODWP: unable to locate separate debug file (dwo, dwp). Debugging will be degraded.
181
182struct A {
183 int x = 47;
184};
185A a;
186int main() {}
187

source code of lldb/test/Shell/SymbolFile/DWARF/x86/dwp-separate-debug-file.cpp