[LLVMdev] Fwd: JIT on ARM

[Martins Mozeiko]

Hi.
Sorry for reposting my mail, but can somebody at lest give some  
general ideas for what to look to solve my problem?

--
Martins Mozeiko


Begin forwarded message:

> From: Martins Mozeiko <49640f8a at gmail.com>
> Date: September 25, 2009 12:04:04 GMT+03:00
> To: llvmdev at cs.uiuc.edu
> Subject: JIT on ARM
>
> Hello.
>
> My goal is to use LLVM with JIT compiler for ARM on Android device.
>
> Currently I have successfully built and executed LLVM bitcode with  
> interpreter on Android. Speed is not so great, that is why I want to  
> use JIT.
> I tried building bitcode on windows with llvm-gcc that is provided  
> on llvm home page. Resulting bitcode runs great in interpreter, but  
> it doesn't use JIT. From what I understand from LLVM that it is  
> because of target triple or datalayout. On PC in my case target  
> triple is "i386-mingw32", but LLVM JIT for ARM expects something  
> that starts with "armv" or "thumb". Also datalayout differs a lot.  
> If I understand correctly that is because bitcode actually contains  
> some of platform specific optimizations (like integer endianness),  
> so I can't simply change target triple string and everything will run.
>
> What I am now doing, is - I am trying to build gcc from gcc-4.2- 
> llvm-2.5 sources with following configure line in cygwin shell:
>
> ../llvm-gcc4.2-2.4.source/configure --enable-languages=c,c++ -- 
> enable-checking --enable-llvm=$PWD/../llvm-objects --disable- 
> bootstrap --disable-multilib --disable-nls --target=arm-eabi
>
> My undertanding is that this will produce llvm-gcc compiler that  
> will output LLVM bitcode with target triple that starts with "arm",  
> so LLVM will use JIT on it.
>
> Currently I am getting compile problems when running make (see below).
> Has anyone done something similar and can explain what I am doing  
> wrong, or how should it be done in some other way to get JIT  
> compiler running on ARM?
>
>
> make[2]: Entering directory `/cygdrive/r/android/llvm/llvm-gcc4.2- 
> objects/gcc'
> gcc   -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite- 
> strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long- 
> long -Wno-variadic-macros -Wno-overlength-strings -Wold-style- 
> definition -Wmissing-format-attribute -fno-common   -DHAVE_CONFIG_H - 
> DGENERATOR_FILE  -o build/gengtype.exe \
>            build/gengtype.o build/gengtype-lex.o build/gengtype- 
> yacc.o build/errors.o ../build-i686-pc-cygwin/libiberty/libiberty.a
> build/gengtype.o: In function `adjust_field_type':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype.c:763: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype.c:771: undefined reference to  
> `_lexer_line'
> build/gengtype.o: In function `adjust_field_tree_exp':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype.c:713: undefined reference to  
> `_lexer_line'
> build/gengtype.o: In function `adjust_field_rtx_def':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype.c:488: undefined reference to  
> `_lexer_line'
> build/gengtype.o: In function `adjust_field_type':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype.c:785: undefined reference to  
> `_lexer_line'
> build/gengtype.o:/cygdrive/r/android/llvm/llvm-gcc4.2-objects/ 
> gcc/../../llvm-gcc4.2-2.4.source/gcc/gengtype.c:725: more undefined  
> references to `_lexer_line' follow
> build/gengtype.o: In function `main':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype.c:3070: undefined reference to  
> `_parse_file'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype.c:3070: undefined reference to  
> `_parse_file'
> build/gengtype-yacc.o: In function `yyparse':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:73: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:75: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:76: undefined reference to  
> `_lexer_toplevel_done'
> build/gengtype-yacc.o: In function `yyparse':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/gengtype-yacc.c: 
> 1873: undefined reference to `_yyerror'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/gengtype-yacc.c: 
> 1379: undefined reference to `_yylex'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/gengtype-yacc.c: 
> 1877: undefined reference to `_yyerror'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/gengtype-yacc.c: 
> 1995: undefined reference to `_yyerror'
> build/gengtype-yacc.o: In function `yyparse':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:122: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:110: undefined reference to  
> `_lexer_toplevel_done'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:102: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:97: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:92: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:239: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:235: undefined reference to  
> `_lexer_line'
> build/gengtype-yacc.o:/cygdrive/r/android/llvm/llvm-gcc4.2-objects/ 
> gcc/../../llvm-gcc4.2-2.4.source/gcc/gengtype-yacc.y:231: more  
> undefined references to `_lexer_line' follow
> build/gengtype-yacc.o: In function `yyparse':
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:84: undefined reference to  
> `_lexer_toplevel_done'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:203: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:203: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:176: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:176: undefined reference to  
> `_lexer_line'
> /cygdrive/r/android/llvm/llvm-gcc4.2-objects/gcc/../../llvm- 
> gcc4.2-2.4.source/gcc/gengtype-yacc.y:165: undefined reference to  
> `_lexer_line'
> build/gengtype-yacc.o:/cygdrive/r/android/llvm/llvm-gcc4.2-objects/ 
> gcc/../../llvm-gcc4.2-2.4.source/gcc/gengtype-yacc.y:165: more  
> undefined references to `_lexer_line' follow
> collect2: ld returned 1 exit status
> make[2]: *** [build/gengtype.exe] Error 1
>
> --
> Martins Mozeiko
>

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