Hi Maxim,

Once done 3) make - j12 from step 3, run 'make install' which is different
from step 2 in the reference. Have set rpath to dismiss link errors:

/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/bin/ld:
warning: libpthread.so.0, needed by
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.
8.2/../../../../mips-linux/lib/libasan.so, not found (try using -rpath or
-rpath-link)
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/bin/ld:
warning: libdl.so.2, needed by
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/.
./../../../mips-linux/lib/libasan.so, not found (try using -rpath or
-rpath-link)
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/bin/ld:
warning: libstdc++.so.6, needed by
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8
.2/../../../../mips-linux/lib/libasan.so, not found (try using -rpath or
-rpath-link)
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/bin/ld:
warning: libm.so.6, needed by
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/..
/../../../mips-linux/lib/libasan.so, not found (try using -rpath or
-rpath-link)
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/lib/libasan.so:
undefined reference to `pthread_attr_getstack@GLIBC_2.2'
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/lib/libasan.so:
undefined reference to `pthread_setspecific@GLIBC_2.0'
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/lib/libasan.so:
undefined reference to `dlsym@GLIBC_2.0'
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/lib/libasan.so:
undefined reference to `pthread_key_create@GLIBC_2.0'
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/lib/libasan.so:
undefined reference to `pthread_getspecific@GLIBC_2.0'
/home/NDS-UK/kyoupark/asn/install-4.8.2/bin/../lib/gcc/mips-linux/4.8.2/../../../../mips-linux/lib/libasan.so:
undefined reference to `pthread_getattr_np@GLIBC_2.2.3'
collect2: error: ld returned 1 exit status

However, still gets this when do:

$ ./bin/mips-linux-gcc-4.8.2 -fsanitize=address
-Wl,-rpath=/home/NDS-UK/kyoupark/asn/install-4.8.2/mips-linux/lib ~/asn/x.c
*/home/nds-uk/kyoupark/asn/x.c:1:0: warning: -fsanitize=address not
supported for this target [enabled by default]*
 #include <stdio.h>
 ^
$

Anything I have missed here?
Kit


Many thanks,
Kit
https://kitpark.slack.com/
------
Sorry for a terse reply or typo as sent from a mobile.

2016-11-28 14:10 GMT+00:00 Maxim Ostapenko <[email protected]>:

> 2016-11-28 16:31 GMT+03:00 Park Kit <[email protected]>:
>
>> Hi Maxim,
>>
>
> Hi,
>
>
>>
>> You're right. Have managed to have ASAN in build step. Very appreciated
>> for your advice up until now. However, found two things to check:
>>
>> 1. You said you used GCC trunk and I am trying out GCC 4.8.2. See
>> differences between them in applying patches you sent and build error such
>> as
>>
>> ../../../../gcc-4.8.2/libsanitizer/asan/asan_linux.cc:90:3: error:
>> #error "Unsupported arch"
>>  # error "Unsupported arch"
>>    ^
>> But think can do "back-port" this part from the trunk or 4.9.2.
>>
>
> Oh, right.
>
>
>>
>> 2. As advised, when done build again in step 3 to build ASAN, shall I run
>> the rest step again to install all such as step 4-7 as the reference or do
>> install only in step 3? Checking before doing the former, full steps
>> afterwards.
>>
>
> You need just step 3 at this point, no need to do 4-7 stuff again.
>
>
>>
>>
>> Many thanks again and it's almost there although need to do more to have
>> uclibc with gcc. :-)
>> Kit
>>
>> Many thanks,
>> Kit
>> https://kitpark.slack.com/
>> ------
>> Sorry for a terse reply or typo as sent from a mobile.
>>
>> 2016-11-25 18:59 GMT+00:00 Maxim Ostapenko <[email protected]>:
>>
>>>
>>> 25 Ноя 2016 г. 21:41 пользователь "Park Kit" <[email protected]>
>>> написал:
>>> >
>>> > Hi Maxim,
>>> >
>>> > Still didn't build. The problem as far as I see, is "libgcc" since it
>>> should done in later steps(according to the reference) and it fails to
>>> build but when use all-gcc target, it didn't build libgcc so not a problem
>>> in this case. But "make" tries to build libgcc and failed.
>>>
>>> Ah, no, you should do all 7 steps from the reference and just after that
>>> rebuild GCC like this:
>>>
>>> 1) rm - rf *
>>> 2) configure ... (from step 3)
>>> 3) make - j12
>>>
>>> You should not have problems with libgcc on that step (after you did all
>>> 7 steps from the reference).
>>>
>>> >
>>> > The steps I did are:
>>> >
>>> >   946  2016-11-25 17:26:18 export PATH=~/asn/install-4.8.2/bin:$PATH
>>> # to add binutil to the path
>>> >   947  2016-11-25 17:26:29 rm -rf *
>>> >   949  2016-11-25 17:26:42 ../gcc-4.8.2/configure -C
>>> --prefix=/xx/asn/install-4.8.2 --target=mips-linux --enable-languages=c,c++
>>> --disable-multilib --enable-libsanitizer
>>> >   951  2016-11-25 17:26:57 make -j12
>>> >
>>> > Of course, have a tweak in configure.tgt.
>>> >
>>> > From configure log, ASAN wasn't filtered out but didn't get built.
>>> >
>>> > *** This configuration is not supported in the following
>>> subdirectories:
>>> >      target-libitm gnattools target-libada target-libgfortran
>>> target-libgo target-libffi target-libbacktrace target-zlib target-libjava
>>> target-libobjc target-boehm-gc
>>> >     (Any other directories should still work fine.)
>>> >
>>> > BTW, what did you mean by "rebuild GCC from the scratch"? Since use a
>>> separate build directory, step 1 and 2 in your reply would suffice.
>>> Anything missed or you meant something different?
>>> >
>>>
>>> I mean you can do step 3 replacing ' make -j4 all-gcc' with 'make -j4'.
>>>
>>> > Many thanks
>>> > Kit
>>> >
>>> >
>>> > Many thanks,
>>> > Kit
>>> > https://kitpark.slack.com/
>>> > ------
>>> > Sorry for a terse reply or typo as sent from a mobile.
>>> >
>>> > 2016-11-25 16:32 GMT+00:00 Maxim Ostapenko <[email protected]>:
>>> >>
>>> >>
>>> >> 25 Ноя 2016 г. 20:23 пользователь "Park Kit" <[email protected]>
>>> написал:
>>> >> >
>>> >> > Hi Maxim,
>>> >>
>>> >> Hi
>>> >>
>>> >> >
>>> >> > Really appreciated for the link which works for me when follows
>>> exactly. However, I am seeing two differences from you when trying to build
>>> ASAN:
>>> >> >
>>> >> > 1. Used the same glibc version but no error on a machine I use.
>>> >> > 2. When either use a libsanitizer/configure.tgt tweak or
>>> --enable-libsanitizer, "make all-gcc" doesn't build "libsanitizer
>>> >>
>>> >> Try to do "make -j12" instead of "make all-gcc". If that doesn't
>>> work, rebuild GCC from the scratch:
>>> >>
>>> >> 1) rm -rf *
>>> >> 2) configure ...
>>> >> 3) make -j12
>>> >>
>>> >> Make sure you added 'mips-linux' entry in configure.tgt.
>>> >>
>>> >> >
>>> >> > May need to look into Makefile.in and need to figure out. Will
>>> updated on that and many thanks again.
>>> >> >
>>> >> > Kit
>>> >> >
>>> >> >
>>> >> > Many thanks,
>>> >> > Kit
>>> >> > https://kitpark.slack.com/
>>> >> > ------
>>> >> > Sorry for a terse reply or typo as sent from a mobile.
>>> >> >
>>> >> > 2016-11-24 7:59 GMT+00:00 Maxim Ostapenko <[email protected]>:
>>> >> >>
>>> >> >> Hi,
>>> >> >>
>>> >> >> вторник, 22 ноября 2016 г., 17:48:21 UTC+3 пользователь Park Kit
>>> написал:
>>> >> >>>
>>> >> >>> Hi Sagar, Maxim,
>>> >> >>>
>>> >> >>> Appreciated for your try and comments.
>>> >> >>>
>>> >> >>> @Sagar, your steps are bit different from what I followed so will
>>> give it a try to build. This confirms at least ASAN works for cross-compile
>>> on MIPS and which is great.
>>> >> >>>
>>> >> >>> @Maxim, you're right on 2) and that's what I did. Have you used
>>> the buildroot to build cross-compile GCC on MIPS or used GCC package only?
>>> What version have you used? Would you mind showing command lines to
>>> configure and to build it?
>>> >> >>
>>> >> >>
>>> >> >> Yes, I've used cross buildroot. It can be quite simply built
>>> manually, I've used this pretty nice instruction:
>>> http://preshing.com/20141119/how-to-build-a-gcc-cross-compiler/.
>>> >> >> The components I used:
>>> >> >> * current trunk GCC
>>> >> >> * current trunk binutils
>>> >> >> * current trunk Linux headers
>>> >> >> * Glibc 2.20
>>> >> >>
>>> >> >> The only difference I've needed is a local patch for Glibc (I used
>>> 2.20) to fix build error (the patch is attached).
>>> >> >>
>>> >> >> I'm also attaching the patch I used to enable ASan in GCC for MIPS
>>> (you can apply it on step 7).
>>> >> >>
>>> >> >> Once you've built toolchain, you can simple test:
>>> >> >>
>>> >> >> $ mips-linux-gcc -fsanitize=address  <gcc_tree_location>/gcc/tests
>>> uite/c-c++-common/asan/heap-overflow-1.c -fstack-protector
>>> >> >> $ qemu-mips -L $SYSROOT -R 0 ./a.out
>>> >> >>
>>> >> >> =================================================================
>>> >> >> ==9453==ERROR: AddressSanitizer: heap-buffer-overflow on address
>>> 0x42c007ba at pc 0x00400a94 bp 0x407ffca0 sp 0x407ffcc8
>>> >> >> READ of size 1 at 0x42c007ba thread T0
>>> >> >>     #0 0x400a8c  (/home/max/build/mips/gcc/a.out+0x400a8c)
>>> >> >>     #1 0x40e5a36c  (/opt/cross/mips//mips-linux/
>>> lib/libc.so.6+0x1936c)
>>> >> >>
>>> >> >> 0x42c007ba is located 0 bytes to the right of 10-byte region
>>> [0x42c007b0,0x42c007ba)
>>> >> >> allocated by thread T0 here:
>>> >> >>     #0 0x4093fe9c  (/opt/cross/mips//mips-linux/
>>> lib/libasan.so.4+0x107e9c)
>>> >> >>     #1 0x4009e4  (/home/max/build/mips/gcc/a.out+0x4009e4)
>>> >> >>     #2 0x40e5a36c  (/opt/cross/mips//mips-linux/
>>> lib/libc.so.6+0x1936c)
>>> >> >>
>>> >> >> SUMMARY: AddressSanitizer: heap-buffer-overflow
>>> (/home/max/build/mips/gcc/a.out+0x400a8c)
>>> >> >> Shadow bytes around the buggy address:
>>> >> >>   0x130200a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x130200b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x130200c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x130200d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x130200e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >> =>0x130200f0: fa fa fa fa fa fa 00[02]fa fa fa fa fa fa fa fa
>>> >> >>   0x13020100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x13020110: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x13020120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x13020130: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>   0x13020140: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >> Shadow byte legend (one shadow byte represents 8 application
>>> bytes):
>>> >> >>   Addressable:           00
>>> >> >>   Partially addressable: 01 02 03 04 05 06 07
>>> >> >>   Heap left redzone:       fa
>>> >> >>   Freed heap region:       fd
>>> >> >>   Stack left redzone:      f1
>>> >> >>   Stack mid redzone:       f2
>>> >> >>   Stack right redzone:     f3
>>> >> >>   Stack after return:      f5
>>> >> >>   Stack use after scope:   f8
>>> >> >>   Global redzone:          f9
>>> >> >>   Global init order:       f6
>>> >> >>   Poisoned by user:        f7
>>> >> >>   Container overflow:      fc
>>> >> >>   Array cookie:            ac
>>> >> >>   Intra object redzone:    bb
>>> >> >>   ASan internal:           fe
>>> >> >>   Left alloca redzone:     ca
>>> >> >>   Right alloca redzone:    cb
>>> >> >> ==9453==ABORTING
>>> >> >>
>>> >> >> Note that I've added  -fstack-protector flag to avoid "cc1:
>>> warning: -fsanitize=address and -fsanitize=kernel-address are not supported
>>> for this target" error on compilation step. This is weird, but for some
>>> reason GCC folks use this flag to control FRAME_GROWS_DOWNWARD macro om
>>> MIPS.
>>> >> >> GCC's ASan doesn't support targets with FRAME_GROWS_DOWNWARD == 0
>>> so I just added -fstack-protector as a workaround.
>>> >> >>
>>> >> >>
>>> >> >>>
>>> >> >>>
>>> >> >>> Keep you posted on further tries. Many thanks
>>> >> >>> Kit
>>> >> >>>
>>> >> >>> 2016년 11월 19일 토요일 오전 11시 19분 34초 UTC, [email protected] 님의 말:
>>> >> >>>>
>>> >> >>>> Hi Park,
>>> >> >>>>
>>> >> >>>> Following are the steps for building LLVM and compiler-rt for
>>> target MIPS (Host=x86, Target=MIPS):
>>> >> >>>> Install prerequisites with "sudo apt-get install cmake
>>> ninja-build gcc-5-mipsel-linux-gnu g++-5-mipsel-linux-gnu
>>> gcc-5-multilib-mipsel-linux-gnu g++-5-multilib-mipsel-linux-gnu
>>> binutils-mipsel-linux-gnu libgcc1-mipsel-cross libstdc++6-mipsel-cross"
>>> >> >>>> Checkout llvm.
>>> >> >>>> Checkout clang in /llvm/tools/
>>> >> >>>> Build LLVM cross compiler which targets MIPS.
>>> >> >>>> Run "cmake -G Ninja ../llvm 
>>> >> >>>> -DCMAKE_INSTALL_PREFIX=<path-to-install-dir>
>>> -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=<install-dir>
>>> -DLLVM_DEFAULT_TARGET_TRIPLE=mipsel-linux-gnu -DLLVM_TARGET_ARCH=Mips
>>> -DLLVM_TARGETS_TO_BUILD=Mips" in a build directory.
>>> >> >>>> Run "ninja; ninja install"
>>> >> >>>> Checkout compiler-rt
>>> >> >>>> Build compiler-rt in a separate build directory using the just
>>> built llvm cross compiler.
>>> >> >>>> Run "cmake -G Ninja ../compiler-rt/
>>> -DCMAKE_C_COMPILER=<path-to-where-llvm-was-installed>/bin/clang
>>> -DCMAKE_CXX_COMPILER=<path-to-where-llvm-was-installed>/bin/clang++
>>> -DCMAKE_BUILD_TYPE=Release -DLLVM_CONFIG_PATH=<path-to-wh
>>> ere-llvm-was-installed>//bin/llvm-config -DCOMPILER_RT_INSTALL_PATH=<pa
>>> th-to-where-llvm-was-installed>//lib/clang/4.0.0
>>> -DCMAKE_C_FLAGS="-I/usr/mipsel-linux-gnu/include/
>>> -Wl,-L/usr/mipsel-linux-gnu/lib/" 
>>> -DCMAKE_CXX_FLAGS="-I/usr/mipsel-linux-gnu/include/
>>> -Wl,-L/usr/mipsel-linux-gnu/lib/"" in a separate build directory.
>>> >> >>>> Run "ninja; ninja install"
>>> >> >>>> You can also use the GCC cross tool chain instead of the just
>>> built LLVM cross tool chain to build the compiler-rt sources.
>>> >> >>>>
>>> >> >>>> Running a simple test from the ASAN test suite:
>>> >> >>>>
>>> >> >>>> $ <path-to-where-llvm-was-installed>/bin/clang
>>> -fsanitize=address -Wl,--dynamic-linker=/usr/mipsel-linux-gnu/lib/ld.so.1
>>> use-after-free.cc
>>> >> >>>>
>>> >> >>>> $ qemu-mipsel -cpu 74Kf -E 
>>> >> >>>> LD_LIBRARY_PATH=/usr/mipsel-linux-gnu/lib/
>>> a.out
>>> >> >>>> ============================================================
>>> =====
>>> >> >>>> ==1487==ERROR: AddressSanitizer: heap-use-after-free on address
>>> 0x74d007b5 at pc 0x0052d518 bp 0x76fff5c0 sp 0x76fff5e4
>>> >> >>>> READ of size 1 at 0x74d007b5 thread T0
>>> >> >>>>     #0 0x52d510  (/home/slt/Tests/a.out+0x52d510)
>>> >> >>>>     #1 0x76535bd4  (/usr/mipsel-linux-gnu/lib/libc.so.6+0x19bd4)
>>> >> >>>>
>>> >> >>>> 0x74d007b5 is located 5 bytes inside of 10-byte region
>>> [0x74d007b0,0x74d007ba)
>>> >> >>>> freed by thread T0 here:
>>> >> >>>>     #0 0x4f4124  (/home/slt/Tests/a.out+0x4f4124)
>>> >> >>>>     #1 0x52d4a8  (/home/slt/Tests/a.out+0x52d4a8)
>>> >> >>>>     #2 0x76535bd4  (/usr/mipsel-linux-gnu/lib/libc.so.6+0x19bd4)
>>> >> >>>>
>>> >> >>>> previously allocated by thread T0 here:
>>> >> >>>>     #0 0x4f4580  (/home/slt/Tests/a.out+0x4f4580)
>>> >> >>>>     #1 0x52d498  (/home/slt/Tests/a.out+0x52d498)
>>> >> >>>>     #2 0x76535bd4  (/usr/mipsel-linux-gnu/lib/libc.so.6+0x19bd4)
>>> >> >>>>
>>> >> >>>> SUMMARY: AddressSanitizer: heap-use-after-free
>>> (/home/slt/Tests/a.out+0x52d510)
>>> >> >>>> Shadow bytes around the buggy address:
>>> >> >>>>   0x194400a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x194400b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x194400c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x194400d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x194400e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>> =>0x194400f0: fa fa fa fa fa fa[fd]fd fa fa fa fa fa fa fa fa
>>> >> >>>>   0x19440100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x19440110: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x19440120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x19440130: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>>   0x19440140: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
>>> >> >>>> Shadow byte legend (one shadow byte represents 8 application
>>> bytes):
>>> >> >>>>   Addressable:           00
>>> >> >>>>   Partially addressable: 01 02 03 04 05 06 07
>>> >> >>>>   Heap left redzone:       fa
>>> >> >>>>   Freed heap region:       fd
>>> >> >>>>   Stack left redzone:      f1
>>> >> >>>>   Stack mid redzone:       f2
>>> >> >>>>   Stack right redzone:     f3
>>> >> >>>>   Stack after return:      f5
>>> >> >>>>   Stack use after scope:   f8
>>> >> >>>>   Global redzone:          f9
>>> >> >>>>   Global init order:       f6
>>> >> >>>>   Poisoned by user:        f7
>>> >> >>>>   Container overflow:      fc
>>> >> >>>>   Array cookie:            ac
>>> >> >>>>   Intra object redzone:    bb
>>> >> >>>>   ASan internal:           fe
>>> >> >>>>   Left alloca redzone:     ca
>>> >> >>>>   Right alloca redzone:    cb
>>> >> >>>> ==1487==ABORTING
>>> >> >>>>
>>> >> >>>> To cross build a complete LLVM toolchain which will run on MIPS
>>> and target to MIPS (Host=MIPS, Target=MIPS):
>>> >> >>>> Install prerequisites with "sudo apt-get install cmake
>>> ninja-build gcc-5-mipsel-linux-gnu g++-5-mipsel-linux-gnu
>>> gcc-5-multilib-mipsel-linux-gnu g++-5-multilib-mipsel-linux-gnu
>>> binutils-mipsel-linux-gnu libgcc1-mipsel-cross libstdc++6-mipsel-cross"
>>> >> >>>> Checkout llvm
>>> >> >>>> Checkout clang in /llvm/tools/
>>> >> >>>> Checkout compiler-rt in /llvm/projects/
>>> >> >>>> Run "cmake -G Ninja ../llvm 
>>> >> >>>> -DCMAKE_INSTALL_PREFIX=<path-to-install-dir>
>>> -DCMAKE_BUILD_TYPE=Release -DCMAKE_CROSSCOMPILING=True
>>> -DLLVM_TABLEGEN=<path-to-host-bin>/llvm-tblgen
>>> -DCLANG_TABLEGEN=<path-to-host-bin>/clang-tblgen
>>> -DLLVM_HOST_TRIPLE=mipsel-linux-gnu 
>>> -DLLVM_DEFAULT_TARGET_TRIPLE=mipsel-linux-gnu
>>> -DLLVM_TARGET_ARCH=Mips -DLLVM_TARGETS_TO_BUILD=Mips
>>> -DCMAKE_C_COMPILER="/usr/bin/mipsel-linux-gnu-gcc-5"
>>> -DCMAKE_CXX_COMPILER="/usr/bin/mipsel-linux-gnu-g++-5"
>>> -DCMAKE_ASM_COMPILER="/usr/bin/mipsel-linux-gnu-gcc-5"
>>> -DCMAKE_C_FLAGS="-mips32 -mabi=32" -DCMAKE_CXX_FLAGS="-mips32 -mabi=32"" in
>>> a build directory.
>>> >> >>>> Run "ninja; ninja install"
>>> >> >>>>
>>> >> >>>> But "ninja install" does not copy the sanitizer runtime libs in
>>> the install directory. So you will have to copy them to the install
>>> directory manually.
>>> >> >>>>
>>> >> >>>>
>>> >> >>>> Regarding GCC's ASAN support for MIPS, as Maxim said we will
>>> have to add support for it following the steps he mentioned.
>>> >> >>>>
>>> >> >>>>
>>> >> >>>> Regards,
>>> >> >>>>
>>> >> >>>> Sagar
>>> >> >>>>
>>> >> >>>>
>>> >> >>>>
>>> >> >>>> On Wednesday, November 16, 2016 at 1:13:06 PM UTC+5:30, Park Kit
>>> wrote:
>>> >> >>>>>
>>> >> >>>>> Hi Sagar,
>>> >> >>>>>
>>> >> >>>>> Many thanks for a reply. Although I am seeking to have GCC
>>> cross compile working, it would be great to know that ASAN builds for mips
>>> on clang.
>>> >> >>>>>
>>> >> >>>>> Looking forward to good news on that.
>>> >> >>>>>
>>> >> >>>>> Many thanks
>>> >> >>>>> Kit
>>> >> >>>>>
>>> >> >>>>> 2016년 11월 15일 화요일 오후 6시 56분 48초 UTC, [email protected] 님의 말:
>>> >> >>>>>>
>>> >> >>>>>> Hi Park,
>>> >> >>>>>>
>>> >> >>>>>> Sorry for the delay.
>>> >> >>>>>>
>>> >> >>>>>> In order to run ASAN on mips, we always did a native build of
>>> compiler-rt on a real mips hardware. We never tried the cross build of
>>> compiler-rt.
>>> >> >>>>>>
>>> >> >>>>>> However, since you need the cross build, I will give it a try
>>> and get back to you as soon as I get success.
>>> >> >>>>>>
>>> >> >>>>>> Regards,
>>> >> >>>>>> Sagar
>>> >> >>>>>>
>>> >> >>>>>> On Tuesday, November 15, 2016 at 1:59:15 PM UTC+5:30, Park Kit
>>> wrote:
>>> >> >>>>>>>
>>> >> >>>>>>> Hi all,
>>> >> >>>>>>>
>>> >> >>>>>>> Could anyone please give me some pointers to try?
>>> >> >>>>>>>
>>> >> >>>>>>> 2016년 10월 15일 토요일 오전 1시 21분 6초 UTC+1, kcc 님의 말:
>>> >> >>>>>>>>
>>> >> >>>>>>>> Sagar, Simon,
>>> >> >>>>>>>> Could you please consult on ASAN  for MIPS?
>>> >> >>>>>>>>
>>> >> >>>>>>>> On Fri, Oct 14, 2016 at 3:04 PM, Park Kit <
>>> [email protected]> wrote:
>>> >> >>>>>>>>>
>>> >> >>>>>>>>> Correction. ASN means ASAN of course. :-)
>>> >> >>>>>>>>>
>>> >> >>>>>>>>> --
>>> >> >>>>>>>>> You received this message because you are subscribed to the
>>> Google Groups "address-sanitizer" group.
>>> >> >>>>>>>>> To unsubscribe from this group and stop receiving emails
>>> from it, send an email to [email protected].
>>> >> >>>>>>>>> For more options, visit https://groups.google.com/d/optout.
>>> >> >>>>>>>>
>>> >> >>>>>>>>
>>> >> >> --
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