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thurstondthurstond
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Sanitize labels
1 parent b10ca9c commit dfc3919

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5 files changed

+16
-11
lines changed

5 files changed

+16
-11
lines changed

‎clang/lib/CodeGen/CGExpr.cpp

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1219,7 +1219,7 @@ void CodeGenFunction::EmitBoundsCheck(const Expr *E, const Expr *Base,
12191219

12201220
llvm::DILocation *CodeGenFunction::SanitizerAnnotateDebugInfo(
12211221
SanitizerKind::SanitizerOrdinal CheckKindOrdinal) {
1222-
StringRef Label;
1222+
std::string Label;
12231223
switch (CheckKindOrdinal) {
12241224
#define SANITIZER(NAME, ID) \
12251225
case SanitizerKind::SO_##ID: \
@@ -1230,6 +1230,11 @@ llvm::DILocation *CodeGenFunction::SanitizerAnnotateDebugInfo(
12301230
llvm_unreachable("unexpected sanitizer kind");
12311231
}
12321232

1233+
// Sanitize label
1234+
for (unsigned int i = 0; i < Label.length(); i++)
1235+
if (!std::isalpha(Label[i]))
1236+
Label[i] = '_';
1237+
12331238
llvm::DILocation *CheckDI = Builder.getCurrentDebugLocation();
12341239
// TODO: deprecate ClArrayBoundsPseudoFn
12351240
if (((ClArrayBoundsPseudoFn &&

‎clang/test/CodeGen/bounds-checking-debuginfo.c

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -68,9 +68,9 @@ double f1(int b, int i) {
6868

6969
//.
7070
// CHECK-TRAP: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META1:![0-9]+]], isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
71-
// CHECK-TRAP: [[META1]] = !DIFile(filename: "<stdin>", directory: {{.*}})
71+
// CHECK-TRAP: [[META1]] = !DIFile(filename: "{{.*}}<stdin>", directory: {{.*}})
7272
// CHECK-TRAP: [[DBG4]] = distinct !DISubprogram(name: "f1", scope: [[META5:![0-9]+]], file: [[META5]], line: 63, type: [[META6:![0-9]+]], scopeLine: 63, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META10]])
73-
// CHECK-TRAP: [[META5]] = !DIFile(filename: "bounds-checking-debuginfo.c", directory: {{.*}})
73+
// CHECK-TRAP: [[META5]] = !DIFile(filename: "{{.*}}bounds-checking-debuginfo.c", directory: {{.*}})
7474
// CHECK-TRAP: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
7575
// CHECK-TRAP: [[META7]] = !{[[META8:![0-9]+]], [[META9:![0-9]+]], [[META9]]}
7676
// CHECK-TRAP: [[META8]] = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)
@@ -89,16 +89,16 @@ double f1(int b, int i) {
8989
// CHECK-TRAP: [[DBG21]] = !DILocation(line: 65, column: 3, scope: [[DBG4]])
9090
// CHECK-TRAP: [[DBG22]] = !DILocation(line: 66, column: 12, scope: [[DBG4]])
9191
// CHECK-TRAP: [[DBG23]] = !DILocation(line: 0, scope: [[META24:![0-9]+]], inlinedAt: [[DBG26]])
92-
// CHECK-TRAP: [[META24]] = distinct !DISubprogram(name: "__ubsan_check_array-bounds", scope: [[META5]], file: [[META5]], type: [[META25:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
92+
// CHECK-TRAP: [[META24]] = distinct !DISubprogram(name: "__ubsan_check_array_bounds", scope: [[META5]], file: [[META5]], type: [[META25:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
9393
// CHECK-TRAP: [[META25]] = !DISubroutineType(types: null)
9494
// CHECK-TRAP: [[DBG26]] = !DILocation(line: 66, column: 10, scope: [[DBG4]])
9595
// CHECK-TRAP: [[PROF27]] = !{!"branch_weights", i32 1048575, i32 1}
9696
// CHECK-TRAP: [[DBG28]] = !DILocation(line: 66, column: 3, scope: [[DBG4]])
9797
//.
9898
// CHECK-NOTRAP: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C11, file: [[META1:![0-9]+]], isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
99-
// CHECK-NOTRAP: [[META1]] = !DIFile(filename: "<stdin>", directory: {{.*}})
99+
// CHECK-NOTRAP: [[META1]] = !DIFile(filename: "{{.*}}<stdin>", directory: {{.*}})
100100
// CHECK-NOTRAP: [[DBG4]] = distinct !DISubprogram(name: "f1", scope: [[META5:![0-9]+]], file: [[META5]], line: 63, type: [[META6:![0-9]+]], scopeLine: 63, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: [[META0]], retainedNodes: [[META10]])
101-
// CHECK-NOTRAP: [[META5]] = !DIFile(filename: "bounds-checking-debuginfo.c", directory: {{.*}})
101+
// CHECK-NOTRAP: [[META5]] = !DIFile(filename: "{{.*}}bounds-checking-debuginfo.c", directory: {{.*}})
102102
// CHECK-NOTRAP: [[META6]] = !DISubroutineType(types: [[META7:![0-9]+]])
103103
// CHECK-NOTRAP: [[META7]] = !{[[META8:![0-9]+]], [[META9:![0-9]+]], [[META9]]}
104104
// CHECK-NOTRAP: [[META8]] = !DIBasicType(name: "double", size: 64, encoding: DW_ATE_float)
@@ -117,7 +117,7 @@ double f1(int b, int i) {
117117
// CHECK-NOTRAP: [[DBG21]] = !DILocation(line: 65, column: 3, scope: [[DBG4]])
118118
// CHECK-NOTRAP: [[DBG22]] = !DILocation(line: 66, column: 12, scope: [[DBG4]])
119119
// CHECK-NOTRAP: [[DBG23]] = !DILocation(line: 0, scope: [[META24:![0-9]+]], inlinedAt: [[DBG26]])
120-
// CHECK-NOTRAP: [[META24]] = distinct !DISubprogram(name: "__ubsan_check_array-bounds", scope: [[META5]], file: [[META5]], type: [[META25:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
120+
// CHECK-NOTRAP: [[META24]] = distinct !DISubprogram(name: "__ubsan_check_array_bounds", scope: [[META5]], file: [[META5]], type: [[META25:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
121121
// CHECK-NOTRAP: [[META25]] = !DISubroutineType(types: null)
122122
// CHECK-NOTRAP: [[DBG26]] = !DILocation(line: 66, column: 10, scope: [[DBG4]])
123123
// CHECK-NOTRAP: [[PROF27]] = !{!"branch_weights", i32 1048575, i32 1}

‎clang/test/CodeGen/cfi-check-fail-debuginfo.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -39,7 +39,7 @@ void caller(void (*f)(void)) {
3939
// CHECK: [[META18]] = !{i64 0, i64 2451761621477796417}
4040
// CHECK: [[META19]] = !DILocation(line: 0, scope: [[DBG7]])
4141
// CHECK: [[DBG20]] = !DILocation(line: 0, scope: [[META21:![0-9]+]], inlinedAt: [[DBG23]])
42-
// CHECK: [[META21]] = distinct !DISubprogram(name: "__ubsan_check_cfi-icall", scope: [[META8]], file: [[META8]], type: [[META22:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
42+
// CHECK: [[META21]] = distinct !DISubprogram(name: "__ubsan_check_cfi_icall", scope: [[META8]], file: [[META8]], type: [[META22:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
4343
// CHECK: [[META22]] = !DISubroutineType(types: null)
4444
// CHECK: [[DBG23]] = !DILocation(line: 23, column: 3, scope: [[DBG7]])
4545
// CHECK: [[META24]] = !{}

‎clang/test/CodeGen/cfi-icall-generalize-debuginfo.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -85,7 +85,7 @@ void g(int** (*fp)(const char *, const char **)) {
8585
// UNGENERALIZED: [[META32]] = !{i64 0, !"_ZTSFvPvE.generalized"}
8686
// UNGENERALIZED: [[META33]] = !DILocation(line: 0, scope: [[DBG25]])
8787
// UNGENERALIZED: [[DBG34]] = !DILocation(line: 0, scope: [[META35:![0-9]+]], inlinedAt: [[DBG37]])
88-
// UNGENERALIZED: [[META35]] = distinct !DISubprogram(name: "__ubsan_check_cfi-icall", scope: [[META11]], file: [[META11]], type: [[META36:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
88+
// UNGENERALIZED: [[META35]] = distinct !DISubprogram(name: "__ubsan_check_cfi_icall", scope: [[META11]], file: [[META11]], type: [[META36:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
8989
// UNGENERALIZED: [[META36]] = !DISubroutineType(types: null)
9090
// UNGENERALIZED: [[DBG37]] = !DILocation(line: 53, column: 3, scope: [[DBG25]])
9191
// UNGENERALIZED: [[META38]] = !{}
@@ -123,7 +123,7 @@ void g(int** (*fp)(const char *, const char **)) {
123123
// GENERALIZED: [[META32]] = !{i64 0, !"_ZTSFvPvE.generalized"}
124124
// GENERALIZED: [[META33]] = !DILocation(line: 0, scope: [[DBG25]])
125125
// GENERALIZED: [[DBG34]] = !DILocation(line: 0, scope: [[META35:![0-9]+]], inlinedAt: [[DBG37]])
126-
// GENERALIZED: [[META35]] = distinct !DISubprogram(name: "__ubsan_check_cfi-icall", scope: [[META11]], file: [[META11]], type: [[META36:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
126+
// GENERALIZED: [[META35]] = distinct !DISubprogram(name: "__ubsan_check_cfi_icall", scope: [[META11]], file: [[META11]], type: [[META36:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
127127
// GENERALIZED: [[META36]] = !DISubroutineType(types: null)
128128
// GENERALIZED: [[DBG37]] = !DILocation(line: 53, column: 3, scope: [[DBG25]])
129129
// GENERALIZED: [[META38]] = !{}

‎clang/test/CodeGen/cfi-icall-normalize2-debuginfo.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -82,7 +82,7 @@ void baz(void (*fn)(int, int, int), int arg1, int arg2, int arg3) {
8282
// CHECK: [[META19]] = !{i64 0, !"_ZTSFvPvu3i32E.normalized.generalized"}
8383
// CHECK: [[META20]] = !DILocation(line: 0, scope: [[DBG7]])
8484
// CHECK: [[DBG21]] = !DILocation(line: 0, scope: [[META22:![0-9]+]], inlinedAt: [[DBG24]])
85-
// CHECK: [[META22]] = distinct !DISubprogram(name: "__ubsan_check_cfi-icall", scope: [[META8]], file: [[META8]], type: [[META23:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
85+
// CHECK: [[META22]] = distinct !DISubprogram(name: "__ubsan_check_cfi_icall", scope: [[META8]], file: [[META8]], type: [[META23:![0-9]+]], flags: DIFlagArtificial, spFlags: DISPFlagDefinition, unit: [[META0]])
8686
// CHECK: [[META23]] = !DISubroutineType(types: null)
8787
// CHECK: [[DBG24]] = !DILocation(line: 25, column: 5, scope: [[DBG7]])
8888
// CHECK: [[META25]] = !{}

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