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From: Matthew Malcomson <Matthew.Malcomson@arm.com>
To: "gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>
Cc: "mliska@suse.cz" <mliska@suse.cz>,
	"dodji@redhat.com" <dodji@redhat.com>,	nd <nd@arm.com>,
	"kcc@google.com" <kcc@google.com>,
	"jakub@redhat.com"	<jakub@redhat.com>,
	"dvyukov@google.com" <dvyukov@google.com>
Subject: [RFC][PATCH 3/X][libsanitizer] Allow compilation for HWASAN_WITH_INTERCEPTORS=OFF
Date: Fri, 06 Sep 2019 14:46:00 -0000	[thread overview]
Message-ID: <VI1PR08MB547106D88D20C4CC8D0B110EE0BA0@VI1PR08MB5471.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <156778058239.16148.17480879484406897649.scripted-patch-series@arm.com>

[-- Attachment #1: Type: text/plain, Size: 1410 bytes --]

This is a port of the LLVM-svn commit number 359914, it allows
compilation of the library without using interceptors.

This has been useful for testing.

libsanitizer/ChangeLog:

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

	* hwasan/hwasan_linux.cc: Allow compilation without
	interceptors.



###############     Attachment also inlined for ease of reply    ###############


diff --git a/libsanitizer/hwasan/hwasan_linux.cc b/libsanitizer/hwasan/hwasan_linux.cc
index eef332fe9f16f36416bc93fc3e90eacf27f687f8..cdb02f161f691dcfe0f6f267a3a478d81cca458b 100644
--- a/libsanitizer/hwasan/hwasan_linux.cc
+++ b/libsanitizer/hwasan/hwasan_linux.cc
@@ -38,7 +38,17 @@
 #include "sanitizer_common/sanitizer_common.h"
 #include "sanitizer_common/sanitizer_procmaps.h"
 
-#if HWASAN_WITH_INTERCEPTORS && !SANITIZER_ANDROID
+// Configurations of HWASAN_WITH_INTERCEPTORS and SANITIZER_ANDROID.
+//
+// HWASAN_WITH_INTERCEPTORS=OFF, SANITIZER_ANDROID=OFF
+//   Not currently tested.
+// HWASAN_WITH_INTERCEPTORS=OFF, SANITIZER_ANDROID=ON
+//   Integration tests downstream exist.
+// HWASAN_WITH_INTERCEPTORS=ON, SANITIZER_ANDROID=OFF
+//    Tested with check-hwasan on x86_64-linux.
+// HWASAN_WITH_INTERCEPTORS=ON, SANITIZER_ANDROID=ON
+//    Tested with check-hwasan on aarch64-linux-android.
+#if !SANITIZER_ANDROID
 THREADLOCAL uptr __hwasan_tls;
 #endif
 


[-- Attachment #2: hwasan-implementation02.patch --]
[-- Type: text/plain, Size: 976 bytes --]

diff --git a/libsanitizer/hwasan/hwasan_linux.cc b/libsanitizer/hwasan/hwasan_linux.cc
index eef332fe9f16f36416bc93fc3e90eacf27f687f8..cdb02f161f691dcfe0f6f267a3a478d81cca458b 100644
--- a/libsanitizer/hwasan/hwasan_linux.cc
+++ b/libsanitizer/hwasan/hwasan_linux.cc
@@ -38,7 +38,17 @@
 #include "sanitizer_common/sanitizer_common.h"
 #include "sanitizer_common/sanitizer_procmaps.h"
 
-#if HWASAN_WITH_INTERCEPTORS && !SANITIZER_ANDROID
+// Configurations of HWASAN_WITH_INTERCEPTORS and SANITIZER_ANDROID.
+//
+// HWASAN_WITH_INTERCEPTORS=OFF, SANITIZER_ANDROID=OFF
+//   Not currently tested.
+// HWASAN_WITH_INTERCEPTORS=OFF, SANITIZER_ANDROID=ON
+//   Integration tests downstream exist.
+// HWASAN_WITH_INTERCEPTORS=ON, SANITIZER_ANDROID=OFF
+//    Tested with check-hwasan on x86_64-linux.
+// HWASAN_WITH_INTERCEPTORS=ON, SANITIZER_ANDROID=ON
+//    Tested with check-hwasan on aarch64-linux-android.
+#if !SANITIZER_ANDROID
 THREADLOCAL uptr __hwasan_tls;
 #endif
 


  parent reply	other threads:[~2019-09-06 14:46 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-06 14:46 [Patch 0/X] [WIP][RFC][libsanitizer] Introduce HWASAN to GCC Matthew Malcomson
2019-09-06 14:46 ` [RFC][PATCH 1/X][libsanitizer] Introduce libsanitizer to GCC tree Matthew Malcomson
2019-09-09  9:26   ` Martin Liška
2019-09-06 14:46 ` [RFC][PATCH 14/X][libsanitizer] Introduce HWASAN block-scope poisoning Matthew Malcomson
2019-09-06 14:46 ` [RFC][PATCH 5/X][libsanitizer] Introduce longjmp/setjmp interceptors to libhwasan Matthew Malcomson
2019-09-09 10:02   ` Martin Liška
2019-09-09 10:29     ` Matthew Malcomson
2019-09-09 10:49       ` Martin Liška
2019-09-06 14:46 ` [RFC][PATCH 8/X][libsanitizer] Ensure HWASAN required alignment for stack variables Matthew Malcomson
2019-09-06 14:46 ` [RFC][PATCH 7/X][libsanitizer] Add option to bootstrap using HWASAN Matthew Malcomson
2019-09-06 14:46 ` [RFC][PATCH 4/X][libsanitizer] Pass size and pointer info to error reporting functions Matthew Malcomson
2019-09-09  9:27   ` Martin Liška
2019-09-06 14:46 ` [RFC][PATCH 2/X][libsanitizer] Tie the hwasan library into our build system Matthew Malcomson
2019-09-06 14:46 ` Matthew Malcomson [this message]
2019-09-09  9:27   ` [RFC][PATCH 3/X][libsanitizer] Allow compilation for HWASAN_WITH_INTERCEPTORS=OFF Martin Liška
2019-09-06 14:47 ` [RFC][PATCH 9/X][libsanitizer] Put tags into each stack variable pointer Matthew Malcomson
2019-09-06 14:47 ` [RFC][PATCH 6/X][libsanitizer] Add -fsanitize=hwaddress flags Matthew Malcomson
2019-09-09 10:06   ` Martin Liška
2019-09-09 10:18     ` Matthew Malcomson
2019-09-09 10:20       ` Martin Liška
2019-09-06 14:47 ` [RFC][PATCH 12/X][libsanitizer] Check pointer tags match address tags Matthew Malcomson
2019-09-06 14:47 ` [RFC][PATCH 11/X][libsanitizer] Uncolour stack frame on function exit Matthew Malcomson
2019-09-06 14:47 ` [RFC][PATCH 15/X][libsanitizer] Add in MTE stubs Matthew Malcomson
2019-09-06 14:47 ` [RFC][PATCH 16/X][libsanitizer] Build libhwasan with interceptors Matthew Malcomson
2019-09-06 14:47 ` [RFC][PATCH 10/X][libsanitizer] Colour the shadow stack for each stack variable Matthew Malcomson
2019-09-06 14:47 ` [RFC][PATCH 13/X][libsanitizer] Instrument known builtin function calls Matthew Malcomson
2019-09-09 10:47 ` [Patch 0/X] [WIP][RFC][libsanitizer] Introduce HWASAN to GCC Martin Liška
2019-09-09 15:55   ` Matthew Malcomson
2019-09-10  1:06     ` Kostya Serebryany via gcc-patches
2019-09-11 11:53     ` Martin Liška
2019-09-11 16:37       ` Matthew Malcomson
2019-09-11 18:34         ` Evgenii Stepanov via gcc-patches
2019-09-23  8:02 ` Martin Liška
2019-10-23 11:02   ` Matthew Malcomson
2019-10-24 10:11     ` Martin Liška

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