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Fri, 6 Sep 2019 14:46:26 +0000 From: Matthew Malcomson To: "gcc-patches@gcc.gnu.org" CC: "mliska@suse.cz" , "dodji@redhat.com" , nd , "kcc@google.com" , "jakub@redhat.com" , "dvyukov@google.com" Subject: [RFC][PATCH 16/X][libsanitizer] Build libhwasan with interceptors Date: Fri, 06 Sep 2019 14:47:00 -0000 Message-ID: References: <156778058239.16148.17480879484406897649.scripted-patch-series@arm.com> In-Reply-To: <156778058239.16148.17480879484406897649.scripted-patch-series@arm.com> Authentication-Results-Original: spf=none (sender IP is ) smtp.mailfrom=Matthew.Malcomson@arm.com; X-Microsoft-Antispam-Untrusted: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600166)(711020)(4605104)(1401327)(4618075)(2017052603328)(49563074)(7193020);SRVR:VI1PR08MB3488; x-checkrecipientrouted: true x-ms-oob-tlc-oobclassifiers: OLM:4125;OLM:4125; X-Forefront-Antispam-Report-Untrusted: SFV:NSPM;SFS:(10009020)(4636009)(39860400002)(396003)(346002)(376002)(136003)(366004)(54534003)(189003)(199004)(3846002)(6436002)(54906003)(53936002)(52536014)(6916009)(6116002)(5660300002)(71200400001)(8936002)(71190400001)(14454004)(14444005)(81166006)(2351001)(81156014)(256004)(446003)(8676002)(5640700003)(52116002)(5024004)(66446008)(44832011)(25786009)(9686003)(2501003)(86362001)(186003)(305945005)(486006)(476003)(6506007)(102836004)(11346002)(26005)(7696005)(74316002)(99286004)(7736002)(386003)(33656002)(316002)(55016002)(2906002)(66556008)(99936001)(478600001)(4326008)(76176011)(66946007)(64756008)(66616009)(66476007)(66066001);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR08MB3488;H:VI1PR08MB5471.eurprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable Content-length: 2301 This builds the library in the way designed for userspace rather than for kernel space. This means intercepting allocation routines so they now tag memory at the same time, and intercepting setjmp/longjmp so that it clears tags on the stack when called. libsanitizer/ChangeLog: 2019-09-06 Matthew Malcomson * hwasan/Makefile.am: Set HWASAN_WITH_INTERCEPTORS macro. * hwasan/Makefile.in: Regenerate. ############### Attachment also inlined for ease of reply ##########= ##### diff --git a/libsanitizer/hwasan/Makefile.am b/libsanitizer/hwasan/Makefile= .am index 36c0fc4d9e832dfc81c72d2d05c2b327589daee2..4d9f6b9bfb6ce81fa26d028ba37= be055ad0d645f 100644 --- a/libsanitizer/hwasan/Makefile.am +++ b/libsanitizer/hwasan/Makefile.am @@ -3,7 +3,7 @@ AM_CPPFLAGS =3D -I $(top_srcdir)/include -I $(top_srcdir) # May be used by toolexeclibdir. gcc_version :=3D $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER) =20 -DEFS =3D -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_M= ACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=3D0 +DEFS =3D -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_M= ACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=3D0 -DHWASAN_WITH_INTERCEPTOR= S=3D1 AM_CXXFLAGS =3D -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic -= Wno-long-long -fPIC -fno-builtin -fno-exceptions -fno-rtti -fomit-frame-po= inter -funwind-tables -fvisibility=3Dhidden -Wno-variadic-macros -fno-ipa-i= cf AM_CXXFLAGS +=3D $(LIBSTDCXX_RAW_CXX_CXXFLAGS) AM_CXXFLAGS +=3D -std=3Dgnu++11 diff --git a/libsanitizer/hwasan/Makefile.in b/libsanitizer/hwasan/Makefile= .in index 472fbf7d8d2a5311db8fe4c14376f9213cdddde4..5fec6788f2c87c86812b6ac81f7= 705608f49b4e0 100644 --- a/libsanitizer/hwasan/Makefile.in +++ b/libsanitizer/hwasan/Makefile.in @@ -270,7 +270,7 @@ CXXCPP =3D @CXXCPP@ CXXDEPMODE =3D @CXXDEPMODE@ CXXFLAGS =3D @CXXFLAGS@ CYGPATH_W =3D @CYGPATH_W@ -DEFS =3D -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_M= ACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=3D0 +DEFS =3D -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_M= ACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=3D0 -DHWASAN_WITH_INTERCEPTOR= S=3D1 DEPDIR =3D @DEPDIR@ DSYMUTIL =3D @DSYMUTIL@ DUMPBIN =3D @DUMPBIN@ --_002_VI1PR08MB5471DADB5FFB6D5F624A0D4AE0BA0VI1PR08MB5471eurp_ Content-Type: text/plain; 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