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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-02-18 12:51:36 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-02-18 12:51:36 -0600 |
| commit | 2f49cca8d1c256c9c3f33a70de98dbf68c2414e3 (patch) | |
| tree | d6819266ae96dd0d0423578cd5f425a8e5a5f462 /misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch | |
| parent | 505e4af4af4950b5e6c5533b33039b5cd4fed9ab (diff) | |
| download | nuttx-2f49cca8d1c256c9c3f33a70de98dbf68c2414e3.tar.gz nuttx-2f49cca8d1c256c9c3f33a70de98dbf68c2414e3.tar.bz2 nuttx-2f49cca8d1c256c9c3f33a70de98dbf68c2414e3.zip | |
Buildroot support for GCC 4.7.3 and for Cortex-M4 with hardware floating point from David Alessio
Diffstat (limited to 'misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch')
| -rw-r--r-- | misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch b/misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch new file mode 100644 index 000000000..a3d7db014 --- /dev/null +++ b/misc/buildroot/toolchain/gcc/4.7.3/810-arm-softfloat-libgcc.patch @@ -0,0 +1,25 @@ +--- a/gcc/config/arm/linux-elf.h ++++ b/gcc/config/arm/linux-elf.h +@@ -57,7 +57,7 @@ + %{shared:-lc} \ + %{!shared:%{profile:-lc_p}%{!profile:-lc}}" + +-#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc" ++#define LIBGCC_SPEC "-lgcc" + + #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" + +--- a/libgcc/config/arm/t-linux ++++ b/libgcc/config/arm/t-linux +@@ -1,6 +1,10 @@ + LIB1ASMSRC = arm/lib1funcs.S + LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \ +- _arm_addsubdf3 _arm_addsubsf3 ++ _arm_addsubdf3 _arm_addsubsf3 \ ++ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \ ++ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \ ++ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \ ++ _arm_fixsfsi _arm_fixunssfsi + + # Just for these, we omit the frame pointer since it makes such a big + # difference. |