diff options
| author | Richard Earnshaw <rearnsha@arm.com> | 2012-05-01 08:47:43 +0000 |
|---|---|---|
| committer | Richard Earnshaw <rearnsha@gcc.gnu.org> | 2012-05-01 08:47:43 +0000 |
| commit | 6302b84be1ba1822f36eeeca858c267ea8852693 (patch) | |
| tree | 83426ab7e67ed46883bfe723b1befcafdfcd32c6 /gcc/config/arm/linux-eabi.h | |
| parent | 56ca756cd95ffa1e2dadabd88a0b31380b84be64 (diff) | |
| download | gcc-6302b84be1ba1822f36eeeca858c267ea8852693.zip gcc-6302b84be1ba1822f36eeeca858c267ea8852693.tar.gz gcc-6302b84be1ba1822f36eeeca858c267ea8852693.tar.bz2 | |
linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef comparing enumeration values.
* arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
comparing enumeration values. Update comments.
From-SVN: r187012
Diffstat (limited to 'gcc/config/arm/linux-eabi.h')
| -rw-r--r-- | gcc/config/arm/linux-eabi.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h index 2ace6f0..46d3bc6 100644 --- a/gcc/config/arm/linux-eabi.h +++ b/gcc/config/arm/linux-eabi.h @@ -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 @@ -59,16 +60,19 @@ #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_SOFT_FLOAT "/lib/ld-linux.so.3" #define GLIBC_DYNAMIC_LINKER_HARD_FLOAT "/lib/ld-linux-armhf.so.3" -#if TARGET_DEFAULT_FLOAT_ABI == ARM_FLOAT_ABI_HARD -#define GLIBC_DYNAMIC_LINKER_DEFAULT GLIBC_DYNAMIC_LINKER_HARD_FLOAT -#else #define GLIBC_DYNAMIC_LINKER_DEFAULT GLIBC_DYNAMIC_LINKER_SOFT_FLOAT -#endif + #define GLIBC_DYNAMIC_LINKER \ "%{mfloat-abi=hard:" GLIBC_DYNAMIC_LINKER_HARD_FLOAT "} \ %{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \ |