Re: [PATCH, i386, Android] -mandroid support for i386 target

[Ilya Enkovich <enkovich dot gnu at gmail dot com>]

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27 февраля 2012 г. 6:41 пользователь Ilya Enkovich
<enkovich.gnu@gmail.com> написал:
>> You should keep those *_SPEC and define them with new
>> GNU_*_SPEC in gnu-user.h since gnu-user.h is also used
>> by other non-linux targets.  In linux.h, you undef *_SPEC
>> before defining them.
>>
>>
>> --
>> H.J.
>
> Thanks for the note. Here is fixed version. Is it OK now?
>
> Thanks,
> Ilya
> --
> 2012-02-27  Enkovich Ilya  <ilya.enkovich@intel.com>
>
>        * gcc/config/i386/gnu-user.h (GNU_USER_TARGET_CC1_SPEC): New.
>        (CC1_SPEC): Use GNU_USER_TARGET_CC1_SPEC.
>        (GNU_USER_TARGET_LINK_SPEC): New.
>        (LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
>        (GNU_USER_TARGET_MATHFILE_SPEC): New.
>        (ENDFILE_SPEC): Use GNU_USER_TARGET_MATHFILE_SPEC.
>
>        * gcc/config/i386/linux.h (CC1_SPEC): New.
>        (LINK_SPEC): New.
>        (LIB_SPEC): New.
>        (STARTFILE_SPEC): New.
>        (ENDFILE_SPEC): New.
>
>
> diff --git a/gcc/config/i386/gnu-user.h b/gcc/config/i386/gnu-user.h
> index 98d0a25..33ceab7 100644
> --- a/gcc/config/i386/gnu-user.h
> +++ b/gcc/config/i386/gnu-user.h
> @@ -77,8 +77,11 @@ along with GCC; see the file COPYING3.  If not see
>  #undef CPP_SPEC
>  #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
>
> +#undef GNU_USER_TARGET_CC1_SPEC
> +#define GNU_USER_TARGET_CC1_SPEC "%(cc1_cpu) %{profile:-p}"
> +
>  #undef CC1_SPEC
> -#define CC1_SPEC "%(cc1_cpu) %{profile:-p}"
> +#define CC1_SPEC GNU_USER_TARGET_CC1_SPEC
>
>  /* Provide a LINK_SPEC appropriate for GNU userspace.  Here we provide support
>    for the special GCC options -static and -shared, which allow us to
> @@ -97,22 +100,28 @@ along with GCC; see the file COPYING3.  If not see
>   { "link_emulation", GNU_USER_LINK_EMULATION },\
>   { "dynamic_linker", GNU_USER_DYNAMIC_LINKER }
>
> -#undef LINK_SPEC
> -#define LINK_SPEC "-m %(link_emulation) %{shared:-shared} \
> +#define GNU_USER_TARGET_LINK_SPEC \
> +  "-m %(link_emulation) %{shared:-shared} \
>   %{!shared: \
>     %{!static: \
>       %{rdynamic:-export-dynamic} \
>       -dynamic-linker %(dynamic_linker)} \
>       %{static:-static}}"
>
> +#undef LINK_SPEC
> +#define LINK_SPEC GNU_USER_TARGET_LINK_SPEC
> +
>  /* Similar to standard GNU userspace, but adding -ffast-math support.  */
> -#undef  ENDFILE_SPEC
> -#define ENDFILE_SPEC \
> +#define GNU_USER_TARGET_MATHFILE_SPEC \
>   "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
>    %{mpc32:crtprec32.o%s} \
>    %{mpc64:crtprec64.o%s} \
> -   %{mpc80:crtprec80.o%s} \
> -   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
> +   %{mpc80:crtprec80.o%s}"
> +
> +#undef  ENDFILE_SPEC
> +#define ENDFILE_SPEC \
> +  GNU_USER_TARGET_MATHFILE_SPEC " " \
> +  GNU_USER_TARGET_ENDFILE_SPEC
>
>  /* A C statement (sans semicolon) to output to the stdio stream
>    FILE the assembler definition of uninitialized global DECL named
> diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
> index 73681fe..a832ddc 100644
> --- a/gcc/config/i386/linux.h
> +++ b/gcc/config/i386/linux.h
> @@ -22,3 +22,30 @@ along with GCC; see the file COPYING3.  If not see
>
>  #define GNU_USER_LINK_EMULATION "elf_i386"
>  #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
> +
> +#undef CC1_SPEC
> +#define CC1_SPEC \
> +  LINUX_OR_ANDROID_CC (GNU_USER_TARGET_CC1_SPEC, \
> +                      GNU_USER_TARGET_CC1_SPEC " " ANDROID_CC1_SPEC)
> +
> +#undef LINK_SPEC
> +#define LINK_SPEC \
> +  LINUX_OR_ANDROID_LD (GNU_USER_TARGET_LINK_SPEC, \
> +                      GNU_USER_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC)
> +
> +#undef  LIB_SPEC
> +#define LIB_SPEC \
> +  LINUX_OR_ANDROID_LD (GNU_USER_TARGET_LIB_SPEC, \
> +                      GNU_USER_TARGET_LIB_SPEC " " ANDROID_LIB_SPEC)
> +
> +#undef  STARTFILE_SPEC
> +#define STARTFILE_SPEC \
> +  LINUX_OR_ANDROID_LD (GNU_USER_TARGET_STARTFILE_SPEC, \
> +                      ANDROID_STARTFILE_SPEC)
> +
> +#undef  ENDFILE_SPEC
> +#define ENDFILE_SPEC \
> +  LINUX_OR_ANDROID_LD (GNU_USER_TARGET_MATHFILE_SPEC " " \
> +                      GNU_USER_TARGET_ENDFILE_SPEC,     \
> +                      GNU_USER_TARGET_MATHFILE_SPEC " " \
> +                      ANDROID_ENDFILE_SPEC)