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openSUSE:Maintenance:12.2_ArchPorts
cross-x86_64-gcc47-icecream-backend
gcc-arm-linker.patch
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File gcc-arm-linker.patch of Package cross-x86_64-gcc47-icecream-backend
2012-05-01 Richard Earnshaw <rearnsha@arm.com> * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef comparing enumeration values. Update comments. 2012-04-26 Michael Hope <michael.hope@linaro.org> Richard Earnshaw <rearnsha@arm.com> * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define. (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define. (GLIBC_DYNAMIC_LINKER_DEFAULT): Define. (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path. --- gcc-4_7-branch/gcc/config/arm/linux-eabi.h 2012-03-02 13:36:59.221206250 +0100 +++ trunk/gcc/config/arm/linux-eabi.h 2012-05-03 19:41:43.484057843 +0200 @@ -32,7 +32,8 @@ while (false) /* We default to a soft-float ABI so that binaries can run on all - target hardware. */ + target hardware. If you override this to use the hard-float ABI then + change the setting of GLIBC_DYNAMIC_LINKER_DEFAULT as well. */ #undef TARGET_DEFAULT_FLOAT_ABI #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT @@ -59,10 +60,23 @@ #undef SUBTARGET_EXTRA_LINK_SPEC #define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION -/* Use ld-linux.so.3 so that it will be possible to run "classic" - GNU/Linux binaries on an EABI system. */ +/* GNU/Linux on ARM currently supports three dynamic linkers: + - ld-linux.so.2 - for the legacy ABI + - ld-linux.so.3 - for the EABI-derived soft-float ABI + - ld-linux-armhf.so.3 - for the EABI-derived hard-float ABI. + All the dynamic linkers live in /lib. + We default to soft-float, but this can be overridden by changing both + GLIBC_DYNAMIC_LINKER_DEFAULT and TARGET_DEFAULT_FLOAT_ABI. */ + #undef GLIBC_DYNAMIC_LINKER -#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3" +#define GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "/lib/ld-linux.so.3" +#define GLIBC_DYNAMIC_LINKER_HARD_FLOAT "/lib/ld-linux-armhf.so.3" +#define GLIBC_DYNAMIC_LINKER_DEFAULT GLIBC_DYNAMIC_LINKER_SOFT_FLOAT + +#define GLIBC_DYNAMIC_LINKER \ + "%{mfloat-abi=hard:" GLIBC_DYNAMIC_LINKER_HARD_FLOAT "} \ + %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ + %{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}" /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to use the GNU/Linux version, not the generic BPABI version. */
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