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String: prevent executable stacks on GNU targets #649

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merged 1 commit into from Sep 21, 2016
Merged

String: prevent executable stacks on GNU targets #649

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6 changes: 6 additions & 0 deletions CoreFoundation/Base.subproj/CFAsmMacros.h
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Expand Up @@ -14,5 +14,11 @@
#define CONCAT_EXPANDED(a,b) CONCAT(a,b)
#define _C_LABEL(name) CONCAT_EXPANDED(__USER_LABEL_PREFIX__,name)

#if defined(__GNU__) || defined(__ANDROID__) || defined(__FreeBSD__)
#define NO_EXEC_STACK_DIRECTIVE .section .note.GNU-stack,"",%progbits
#else
#define NO_EXEC_STACK_DIRECTIVE
#endif

#endif

3 changes: 3 additions & 0 deletions CoreFoundation/String.subproj/CFCharacterSetData.S
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Expand Up @@ -20,3 +20,6 @@ _C_LABEL(__CFCharacterSetBitmapDataEnd):
.global _C_LABEL(__CFCharacterSetBitmapDataSize)
_C_LABEL(__CFCharacterSetBitmapDataSize):
.int _C_LABEL(__CFCharacterSetBitmapDataEnd) - _C_LABEL(__CFCharacterSetBitmapData)

NO_EXEC_STACK_DIRECTIVE

3 changes: 3 additions & 0 deletions CoreFoundation/String.subproj/CFUniCharPropertyDatabase.S
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Expand Up @@ -20,3 +20,6 @@ _C_LABEL(__CFUniCharPropertyDatabaseEnd):
.global _C_LABEL(__CFUniCharPropertyDatabaseSize)
_C_LABEL(__CFUniCharPropertyDatabaseSize):
.int _C_LABEL(__CFUniCharPropertyDatabaseEnd) - _C_LABEL(__CFUniCharPropertyDatabase)

NO_EXEC_STACK_DIRECTIVE

3 changes: 3 additions & 0 deletions CoreFoundation/String.subproj/CFUnicodeData.S
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Expand Up @@ -34,3 +34,6 @@ _C_LABEL(__CFUnicodeDataLEnd):
_C_LABEL(__CFUnicodeDataLSize):
.int _C_LABEL(__CFUnicodeDataLEnd) - _C_LABEL(__CFUnicodeDataL)
#endif

NO_EXEC_STACK_DIRECTIVE