> On Tue, Apr 3, 2012 at 3:49 AM, Ilya Enkovich <enkovich....@gmail.com> wrote: >>> On 3/04/2012, at 2:16 AM, Ilya Enkovich wrote: >>> >>>>> >>>>> The point is that one can build a toolchain for i686-linux-gnu that will >>>>> support both 32-bit and 64-bit multilibs. The 32-bit multilib will be >>>>> used by default, and compilation for 64-bit user-space can be requested >>>>> with -m64 option. Even though Android is not supported for -m64, such a >>>>> toolchain can support Android as a additional "-m32 -mandroid" multilib. >>>>> I.e., the toolchain will have three multilibs in total: "-m32" (default), >>>>> "-m64" and "-m32 -mandroid". I386/linux64.h will be picked up for such a >>>>> toolchain, even though by default it would compile for 32-bit target. >>>>> Does this clear up things? >>>>> >>>> >>>> I think I see your point. And it seems to make all this work I'll also >>>> have to rename i386/gnu-user.h into i386/gnu-user32.h and create >>>> i386/gnu-user.h with common definitions to be included by >>>> gnu-user[32|64].h. Otherwise I wont be able to use some definitions >>>> (i.e. GNU_USER_TARGET_LINK_SPEC and GNU_USER_TARGET_MATHFILE_SPEC) in >>>> linux64.h. Right? >>> >>> It's simpler that you think. The target headers ($tm_file in config.gcc -- >>> gnu-user.h, linux*.h, etc. in this case) are all included into tm.h, which >>> serves as proxy to all those headers. All definitions made in preceding >>> headers are available in subsequent headers. So, given that >>> i386/gnu-user*.h precedes i386/linux*.h in config.gcc's $tm_file, you only >>> need to touch linux*.h. >>> >>> Thanks, >>> >>> -- >>> Maxim Kuvyrkov >>> CodeSourcery / Mentor Graphics >>> >> >> >> Hi, >> >> I prepared version with common linux.h and gnu-user.h. Does it look OK? >> >> Bootstrapped and checked on linux-x86_64. >> > > There are so many duplicates in gnu-user64.h and gnu-user32.h. > Please move all of them to gnu-user.h. > > Thanks. > > -- > H.J.
Hi,
Here is a new version with all gnu-user32.h and gnu-user64.h common
definitions moved to gnu-user.h.
Bootstrapped and checked on linux-x86_64.
Thanks,
Ilya
---
2012-04-04 Enkovich Ilya <ilya.enkov...@intel.com>
* config/i386/linux.h: Renamed to ...
* config/i386/linux32.h: ... this.
* config/i386/gnu-user.h: Renamed to ...
* config/i386/gnu-user32.h: ... this.
(CPP_SPEC): Removed.
(CC1_SPEC): Removed.
(ENDFILE_SPEC): Removed.
(DEFAULT_PCC_STRUCT_RETURN): Removed.
(TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Removed.
(TARGET_OS_CPP_BUILTINS): Removed.
(LIBGCC2_HAS_TF_MODE): Removed.
(LIBGCC2_TF_CEXT): Removed.
(TF_SIZE): Removed.
(TARGET_ASM_FILE_END): Removed.
(STACK_CHECK_MOVING_SP): Removed.
(STACK_CHECK_STATIC_BUILTIN): Removed.
(TARGET_THREAD_SSP_OFFSET): Removed.
(TARGET_CAN_SPLIT_STACK): Removed.
(TARGET_THREAD_SPLIT_STACK_OFFSET): Removed.
(GNU_USER_TARGET_LINK_SPEC): New.
(LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
* config.gcc: Rename i386/linux.h to i386/linux32.h and
i386/gnu-user.h to i386/gnu-user32.h.
* config/i386/linux.h: New.
* config/i386/gnu-user.h: New.
* config/i386/linux64.h: Include i386/linux.h.
* config/i386/gnu-user64.h: Include i386/gnu-user.h
(CPP_SPEC): Removed.
(CC1_SPEC): Removed.
(ENDFILE_SPEC): Removed.
(DEFAULT_PCC_STRUCT_RETURN): Removed.
(TARGET_TLS_DIRECT_SEG_REFS_DEFAULT): Removed.
(TARGET_OS_CPP_BUILTINS): Removed.
(LIBGCC2_HAS_TF_MODE): Removed.
(LIBGCC2_TF_CEXT): Removed.
(TF_SIZE): Removed.
(TARGET_ASM_FILE_END): Removed.
(STACK_CHECK_MOVING_SP): Removed.
(STACK_CHECK_STATIC_BUILTIN): Removed.
(TARGET_THREAD_SSP_OFFSET): Removed.
(TARGET_CAN_SPLIT_STACK): Removed.
(TARGET_THREAD_SPLIT_STACK_OFFSET): Removed.
(GNU_USER_TARGET_LINK_SPEC): New.
(LINK_SPEC): Use GNU_USER_TARGET_LINK_SPEC.
mandroid.patch
Description: Binary data
