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[RFC][PATCH 1/X][libsanitizer] Introduce libsanitizer to GCC tree

From: Matthew Malcomson <Matthew dot Malcomson at arm dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Cc: "mliska at suse dot cz" <mliska at suse dot cz>, "dodji at redhat dot com" <dodji at redhat dot com>, nd <nd at arm dot com>, "kcc at google dot com" <kcc at google dot com>, "jakub at redhat dot com" <jakub at redhat dot com>, "dvyukov at google dot com" <dvyukov at google dot com>
Date: Fri, 6 Sep 2019 14:46:04 +0000
Subject: [RFC][PATCH 1/X][libsanitizer] Introduce libsanitizer to GCC tree
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Introduce libsanitizer to GCC tree

Takes the libhwasan library from LLVM and puts it into our source tree
excluding the build system files.

Tieing the source files into our build system is done in a later commit.

We have taken the libsanitizer library from the same SVN revision as
the other sanitizer libraries are taken from (SVN revision 345033 as
mentioned in libsanitizer/MERGE).

libsanitizer/ChangeLog:

2019-09-06  Matthew Malcomson  <matthew.malcomson@arm.com>

	* hwasan/hwasan.cc: New file.
	* hwasan/hwasan.h: New file.
	* hwasan/hwasan.syms.extra: New file.
	* hwasan/hwasan_allocator.cc: New file.
	* hwasan/hwasan_allocator.h: New file.
	* hwasan/hwasan_blacklist.txt: New file.
	* hwasan/hwasan_dynamic_shadow.cc: New file.
	* hwasan/hwasan_dynamic_shadow.h: New file.
	* hwasan/hwasan_flags.h: New file.
	* hwasan/hwasan_flags.inc: New file.
	* hwasan/hwasan_interceptors.cc: New file.
	* hwasan/hwasan_interface_internal.h: New file.
	* hwasan/hwasan_linux.cc: New file.
	* hwasan/hwasan_mapping.h: New file.
	* hwasan/hwasan_new_delete.cc: New file.
	* hwasan/hwasan_poisoning.cc: New file.
	* hwasan/hwasan_poisoning.h: New file.
	* hwasan/hwasan_report.cc: New file.
	* hwasan/hwasan_report.h: New file.
	* hwasan/hwasan_thread.cc: New file.
	* hwasan/hwasan_thread.h: New file.
	* hwasan/hwasan_thread_list.cc: New file.
	* hwasan/hwasan_thread_list.h: New file.

Attachment: hwasan-implementation00.patch.gz
Description: hwasan-implementation00.patch.gz

Follow-Ups:
- Re: [RFC][PATCH 1/X][libsanitizer] Introduce libsanitizer to GCC tree
  - From: Martin Liška

References:
- [Patch 0/X] [WIP][RFC][libsanitizer] Introduce HWASAN to GCC
  - From: Matthew Malcomson

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