Boost C++ Libraries: Ticket #10742: context library don't compile for iOS ARM

attachment set

anonymous — Tue, 04 Nov 2014 06:05:28 GMT

attachment → build-iphone-stage.log

attachment set

anonymous — Tue, 04 Nov 2014 06:07:22 GMT

attachment → build.sh

anonymous — Tue, 04 Nov 2014 06:10:59 GMT

more info

Apple LLVM version 6.0 (clang-600.0.54) (based on LLVM 3.5svn)
Target: x86_64-apple-darwin14.0.0
Thread model: posix
Xcode 6.1
Build version 6A1052d

and attackment build.sh line number 175 missing http address, cause boost trac attachment should not contains links.

olli — Tue, 04 Nov 2014 07:39:36 GMT

You specify address-model=32 at bjam's commandline - but in the output I see "arm64" (seems not to be correct for me). 64bit for ARM is not supported (might work but untested because lack of hardware).

Could you add following to build/Jamfile.v2?

ECHO "OS =" [ os.name ] ;

And tell me the value of 'OS'?

anonymous — Tue, 04 Nov 2014 11:21:19 GMT

Sure.

 $ ./bjam -j16 --build-dir=iphone-build -sBOOST_BUILD_USER_CONFIG=/Users/ryan/Developer/build/src/boost_1_57_0/tools/build/example/user-config.jam --stagedir=iphone-build/stage --prefix=/Users/ryan/Developer/build/ios/prefix abi=aapcs binary-format=mach-o address-model=32 toolset=darwin architecture=arm target-os=iphone macosx-version=iphone-8.1 define=_LITTLE_ENDIAN link=static stage
OS = MACOSX

I specify address-model=32 because I see that boost::context Requirements says for cross-compiling I should specify target-os, abi, binary-format, architecture and address-model. Within or without address-model=32. The error will be same"

libs/context/src/asm/jump_arm_aapcs_macho_gas.S:94:11: error: invalid operand for instruction
    pop v1
          ^

But if I ignore abi , binary-formant and address-model. Only architecture specified. Error will be 'platform not supported'

 $ ./bjam -j16 --build-dir=iphone-build -sBOOST_BUILD_USER_CONFIG=/Users/ryan/Developer/build/src/boost_1_57_0/tools/build/example/user-config.jam --stagedir=iphone-build/stage --prefix=/Users/ryan/Developer/build/ios/prefix toolset=darwin architecture=arm target-os=iphone macosx-version=iphone-8.1 define=_LITTLE_ENDIAN link=static stage
OS = MACOSX
Performing configuration checks
    - 32-bit                   : yes (cached)
    - lockfree boost::atomic_flag : no  (cached)
    - has_icu builds           : no  (cached)
...some thing ignore....
libs/context/src/unsupported.cpp:7:2: error: "platform not supported"
#error "platform not supported"
 ^
1 error generated.

olli — Tue, 04 Nov 2014 12:24:34 GMT

unfortunately boost.build does not distinguish between Mac OS X an iOS (iphone) in 'os.name' - so you are forced to add the bjam-properties at command-line.

Could you check new version of boost.context? I've updated the missing curly brackets in the asm-file and tell me if it's working?!

n3v3r54y10v3@… — Wed, 05 Nov 2014 01:20:40 GMT

you mean commit 8bc0c17489142f7f7fa698d7142e9085bc845092 on github ? It works. I have this tested on my iphone5s.

BTW. Will this support arm64 later ?

olli — Thu, 06 Nov 2014 08:05:03 GMT

Replying to n3v3r54y10v3@…:

you mean commit 8bc0c17489142f7f7fa698d7142e9085bc845092 on github ? It works. I have this tested on my iphone5s.

thx

BTW. Will this support arm64 later ?

unfortunately no - the register size is different (4byte vsa 8byte on arm64). do you have access to an arm64 system and you like to test some code?

status changed; resolution set

olli — Thu, 06 Nov 2014 08:05:11 GMT

status new → closed
resolution → fixed

n3v3r54y10v3@… — Thu, 06 Nov 2014 08:15:11 GMT

Replying to olli:

Replying to n3v3r54y10v3@…:

you mean commit 8bc0c17489142f7f7fa698d7142e9085bc845092 on github ? It works. I have this tested on my iphone5s.

thx

BTW. Will this support arm64 later ?

unfortunately no - the register size is different (4byte vsa 8byte on arm64). do you have access to an arm64 system and you like to test some code?

Sure, I'm strongly glad to test this. The iphone5s use apple A7 processor and iphone6 use apple A8 processor, Both armv7s and arm64 supported. I don't know arm assembly but I can test your code on both of them.

olli — Thu, 06 Nov 2014 09:25:11 GMT

Replying to n3v3r54y10v3@…:

Sure, I'm strongly glad to test this. The iphone5s use apple A7 processor and iphone6 use apple A8 processor, Both armv7s and arm64 supported. I don't know arm assembly but I can test your code on both of them.

fine - but you have to wait till I've finished the ARM64 version

n3v3r54y10v3@… — Tue, 11 Nov 2014 02:51:02 GMT

Great :)

May the force be with you!

olli — Wed, 12 Nov 2014 18:48:38 GMT

Could you compile and test the sources from branch develop on ARM64/MACH-O (iPhone)? It might be that the exception handling will not work.

n3v3r54y10v3@… — Tue, 09 Dec 2014 09:07:08 GMT

I'm so sorry that I didn't see you post since now. Got lots of of email addresses, and this one doesn't connect to my main box, I have fixed it. I cloned boost from github yesterday and saw your commits, this cannot compile correct.

ryan@T4F-MBP-13594: ~/code/boost master!
 $ "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++" "-arch" "arm64" "-fvisibility=hidden" "-fvisibility-inlines-hidden" "-DBOOST_AC_USE_PTHREADS" "-DBOOST_SP_USE_PTHREADS" "-std=c++11" "-stdlib=libc++" -x assembler-with-cpp -O3 -finline-functions -Wno-inline -Wall -gdwarf-2 -fexceptions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS8.1.sdk -DBOOST_ALL_NO_LIB=1 -DBOOST_ATOMIC_STATIC_LINK=1 -DBOOST_CHRONO_STATIC_LINK=1 -DBOOST_CONTEXT_SOURCE -DBOOST_SYSTEM_NO_DEPRECATED -DBOOST_SYSTEM_STATIC_LINK=1 -DBOOST_THREAD_BUILD_LIB=1 -DBOOST_THREAD_POSIX -DBOOST_THREAD_USE_LIB=1 -DNDEBUG -D_LITTLE_ENDIAN -I"." -c -o "/Users/ryan/Developer/boost_build_for_cocos2d-x/iphone-build/boost/bin.v2/libs/context/build/darwin-8.1~iphone/release/abi-aapcs/address-model-64/architecture-arm/link-static/macosx-version-iphone-8.1/target-os-iphone/threading-multi/asm/jump_arm64_aapcs_macho_gas.o" "libs/context/src/asm/jump_arm64_aapcs_macho_gas.S"
libs/context/src/asm/jump_arm64_aapcs_macho_gas.S:66:7: error: unexpected token at start of statement
    @ save LR as PC
      ^
libs/context/src/asm/jump_arm64_aapcs_macho_gas.S:67:11: error: vector register expected
    push {lr}
          ^
libs/context/src/asm/jump_arm64_aapcs_macho_gas.S:68:7: error: unexpected token at start of statement

we can compile after replace "-arch" "arm64" to "-arch" "armv7s" or "-arch" "arm", but that result not arm64 version.