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compiler-rt-git: Add NetBSD support to address sanitizer process mapping facilities



Module Name:	pkgsrc-wip
Committed By:	Kamil Rytarowski <n54%gmx.com@localhost>
Pushed By:	kamil
Date:		Tue Jul 4 18:04:02 2017 +0200
Changeset:	b3f1fd0648f358e73ffb32a53dd9516614cede5d

Modified Files:
	compiler-rt-git/distinfo
Added Files:
	compiler-rt-git/patches/patch-lib_asan_asan__mapping.h

Log Message:
compiler-rt-git: Add NetBSD support to address sanitizer process mapping facilities

Sponsored by <The NetBSD Foundation>

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=b3f1fd0648f358e73ffb32a53dd9516614cede5d

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 compiler-rt-git/distinfo                           |  1 +
 .../patches/patch-lib_asan_asan__mapping.h         | 37 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diffs:
diff --git a/compiler-rt-git/distinfo b/compiler-rt-git/distinfo
index a57ce0ffff..6b1fea8ebe 100644
--- a/compiler-rt-git/distinfo
+++ b/compiler-rt-git/distinfo
@@ -17,6 +17,7 @@ SHA1 (patch-lib_asan_asan__interceptors.cc) = 9786a54c62e081c7194efa26139f8539ad
 SHA1 (patch-lib_asan_asan__interceptors.h) = 520419376759f2991c6f74f4c2a5ef62851d7838
 SHA1 (patch-lib_asan_asan__linux.cc) = 31dd5c3978d64ccc28c8af037a967c2360d71cff
 SHA1 (patch-lib_asan_asan__malloc__linux.cc) = 8125ba85983cab81779a2ebe0849ba3e65040eb4
+SHA1 (patch-lib_asan_asan__mapping.h) = 73f5f33e946868b4780864e633916376b11b16f1
 SHA1 (patch-lib_asan_asan__stack.h) = 58aa9e67cf2a92863fd3bd545074dff136bed7c5
 SHA1 (patch-lib_asan_scripts_asan__symbolize.py) = 95024c8d49fdcbdbf5ccc9013e54ad9b3f469e14
 SHA1 (patch-lib_interception_interception.h) = e6826deb85420ac5c7d9594d5d4364767d22389f
diff --git a/compiler-rt-git/patches/patch-lib_asan_asan__mapping.h b/compiler-rt-git/patches/patch-lib_asan_asan__mapping.h
new file mode 100644
index 0000000000..0d32f9db69
--- /dev/null
+++ b/compiler-rt-git/patches/patch-lib_asan_asan__mapping.h
@@ -0,0 +1,37 @@
+$NetBSD$
+
+--- lib/asan/asan_mapping.h.orig	2017-07-03 15:33:06.000000000 +0000
++++ lib/asan/asan_mapping.h
+@@ -115,6 +115,13 @@
+ // || `[0x40000000, 0x47ffffff]` || LowShadow  ||
+ // || `[0x00000000, 0x3fffffff]` || LowMem     ||
+ //
++// Shadow mapping on NetBSD/x86-64 with SHADOW_OFFSET == 0x400000000000:
++// || `[0x4feffffffe01, 0x7f7ffffff000]` || HighMem    ||
++// || `[0x49fdffffffc0, 0x4feffffffe00]` || HighShadow ||
++// || `[0x480000000000, 0x49fdffffffbf]` || ShadowGap  ||
++// || `[0x400000000000, 0x47ffffffffff]` || LowShadow  ||
++// || `[0x000000000000, 0x3fffffffffff]` || LowMem     ||
++//
+ // Default Windows/i386 mapping:
+ // (the exact location of HighShadow/HighMem may vary depending
+ //  on WoW64, /LARGEADDRESSAWARE, etc).
+@@ -140,6 +147,7 @@ static const u64 kPPC64_ShadowOffset64 =
+ static const u64 kSystemZ_ShadowOffset64 = 1ULL << 52;
+ static const u64 kFreeBSD_ShadowOffset32 = 1ULL << 30;  // 0x40000000
+ static const u64 kFreeBSD_ShadowOffset64 = 1ULL << 46;  // 0x400000000000
++static const u64 kNetBSD_ShadowOffset64 = 1ULL << 46;  // 0x400000000000
+ static const u64 kWindowsShadowOffset32 = 3ULL << 28;  // 0x30000000
+ 
+ #define SHADOW_SCALE kDefaultShadowScale
+@@ -176,8 +184,8 @@ static const u64 kWindowsShadowOffset32 
+ #    define SHADOW_OFFSET kPPC64_ShadowOffset64
+ #  elif defined(__s390x__)
+ #    define SHADOW_OFFSET kSystemZ_ShadowOffset64
+-#  elif SANITIZER_FREEBSD
+-#    define SHADOW_OFFSET kFreeBSD_ShadowOffset64
++#  elif SANITIZER_NETBSD
++#    define SHADOW_OFFSET kNetBSD_ShadowOffset64
+ #  elif SANITIZER_MAC
+ #   define SHADOW_OFFSET kDefaultShadowOffset64
+ #  elif defined(__mips64)


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