From: Ivan Poddubny <ivan.poddubny@gmail.com>
Date: Sat, 10 Oct 2015 20:20:55 +0000 (+0300)
Subject: Build: Add menuselect options for using compiler sanitizers
X-Git-Tag: 11.21.0-rc1~31^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a0bb7b50ae25fb2c6c222392214e761c0c5b1ec4;p=thirdparty%2Fasterisk.git

Build: Add menuselect options for using compiler sanitizers

This patch adds menuselect options for building Asterisk with
various sanitizers provided by gcc and clang.

When one of *SANITIZER flags is set in menuselect, the appropriate
option is added to CFLAGS ad LDFLAGS for the build.

Information on sanitizers in the project wiki:
https://github.com/google/sanitizers/wiki

GCC Manual:
https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html

Clang Compiler User's Manual:
http://clang.llvm.org/docs/UsersManual.html#controlling-code-generation

ASTERISK-24718 #close
Reported by: Badalian Vyacheslav

Change-Id: Iafa51b792b7bcb20e848b99d16cf362d08590fa0
---

diff --git a/Makefile.rules b/Makefile.rules
index 54df636c2f..d5dd5e39a4 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -27,6 +27,26 @@
 # extra cflags to build dependencies. Recursively expanded.
 MAKE_DEPS=-MD -MT $@ -MF .$(subst /,_,$@).d -MP
 
+ifeq ($(findstring ADDRESS_SANITIZER,$(MENUSELECT_CFLAGS)),ADDRESS_SANITIZER)
+    _ASTLDFLAGS+=-fsanitize=address
+    _ASTCFLAGS+=-fno-omit-frame-pointer -fsanitize=address
+endif
+
+ifeq ($(findstring THREAD_SANITIZER,$(MENUSELECT_CFLAGS)),THREAD_SANITIZER)
+    _ASTLDFLAGS+=-fsanitize=thread -pie -fPIE
+    _ASTCFLAGS+=-fno-omit-frame-pointer -pie -fPIE -fsanitize=thread
+endif
+
+ifeq ($(findstring LEAK_SANITIZER,$(MENUSELECT_CFLAGS)),LEAK_SANITIZER)
+    _ASTLDFLAGS+=-fsanitize=leak
+    _ASTCFLAGS+=-fno-omit-frame-pointer -fsanitize=leak
+endif
+
+ifeq ($(findstring UNDEFINED_SANITIZER,$(MENUSELECT_CFLAGS)),UNDEFINED_SANITIZER)
+    _ASTLDFLAGS+=-fsanitize=undefined
+    _ASTCFLAGS+=-fno-omit-frame-pointer -fsanitize=undefined
+endif
+
 ifeq ($(NOISY_BUILD),)
     ECHO_PREFIX=@
     CMD_PREFIX=@
diff --git a/build_tools/cflags.xml b/build_tools/cflags.xml
index 95af0acb41..b5c447be6a 100644
--- a/build_tools/cflags.xml
+++ b/build_tools/cflags.xml
@@ -63,6 +63,32 @@
 		<member name="MALLOC_DEBUG" displayname="Keep Track of Memory Allocations">
 			<support_level>core</support_level>
 		</member>
+		<member name="ADDRESS_SANITIZER" displayname="Address Sanitizer">
+			<support_level>extended</support_level>
+			<conflict>THREAD_SANITIZER</conflict>
+			<conflict>LEAK_SANITIZER</conflict>
+			<conflict>UNDEFINED_SANITIZER</conflict>
+			<conflict>MALLOC_DEBUG</conflict>
+		</member>
+		<member name="THREAD_SANITIZER" displayname="Thread Sanitizer">
+			<support_level>extended</support_level>
+			<conflict>ADDRESS_SANITIZER</conflict>
+			<conflict>LEAK_SANITIZER</conflict>
+			<conflict>UNDEFINED_SANITIZER</conflict>
+		</member>
+		<member name="LEAK_SANITIZER" displayname="Leak Sanitizer">
+			<support_level>extended</support_level>
+			<conflict>ADDRESS_SANITIZER</conflict>
+			<conflict>THREAD_SANITIZER</conflict>
+			<conflict>UNDEFINED_SANITIZER</conflict>
+			<conflict>MALLOC_DEBUG</conflict>
+		</member>
+		<member name="UNDEFINED_SANITIZER" displayname="Undefined Behavior Sanitizer">
+			<support_level>extended</support_level>
+			<conflict>ADDRESS_SANITIZER</conflict>
+			<conflict>THREAD_SANITIZER</conflict>
+			<conflict>LEAK_SANITIZER</conflict>
+		</member>
 		<member name="BUSYDETECT_TONEONLY" displayname="Enable additional comparision of only the tone duration not the silence part">
 			<conflict>BUSYDETECT_COMPARE_TONE_AND_SILENCE</conflict>
 			<defaultenabled>no</defaultenabled>