diff options
Diffstat (limited to 'gcc/config/arm/linux-elf.h')
| -rw-r--r-- | gcc/config/arm/linux-elf.h | 53 |
1 files changed, 37 insertions, 16 deletions
diff --git a/gcc/config/arm/linux-elf.h b/gcc/config/arm/linux-elf.h index de45e1c4b53..b1688cbf480 100644 --- a/gcc/config/arm/linux-elf.h +++ b/gcc/config/arm/linux-elf.h @@ -25,13 +25,34 @@ Boston, MA 02111-1307, USA. */ /* We have libgcc2. */ #define HAVE_ATEXIT -/* Default is to use APCS-32 mode. */ #ifndef SUBTARGET_DEFAULT_APCS26 -#define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_SHORT_BYTE) -#define SUBTARGET_EXTRA_LINK_SPEC \ +/* Default is to use APCS-32 mode. */ +# define TARGET_DEFAULT (ARM_FLAG_APCS_32 | ARM_FLAG_SHORT_BYTE) +# ifdef SUBTARGET_OLD_LINKER +# define SUBTARGET_EXTRA_LINK_SPEC \ " %{mapcs-26:-m elf32arm26} %{!mapcs-26:-m elf32arm}" -#define SUBTARGET_EXTRA_ASM_SPEC \ +# else /* new linker */ +# define SUBTARGET_EXTRA_LINK_SPEC \ + " %{mapcs-26:-m armelf_linux26} %{!mapcs-26:-m armelf_linux} -p" +# endif +# define SUBTARGET_EXTRA_ASM_SPEC \ " %{mapcs-26:-mapcs-26} %(!mapcs-26:-mapcs-32}" +# define MULTILIB_DEFAULTS \ + { "mlittle-endian", "mhard-float", "mapcs-32", "mno-thumb-interwork" } +# define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__" +#else /* default is APCS-26 */ +# define TARGET_DEFAULT (ARM_FLAG_SHORT_BYTE) +# ifdef SUBTARGET_OLD_LINKER +# define SUBTARGET_LINK_SPEC \ + " %{mapcs-32:-m elf32arm} %{!mapcs-32:-m elf32arm26}" +# else /* new linker */ +# define SUBTARGET_LINK_SPEC \ + " %{mapcs-32:-m armelf_linux} %{!mapcs-32:-m armelf_linux26} -p" +# endif +# define SUBTARGET_EXTRA_ASM_SPEC \ + " %{mapcs-32:-mapcs-32} %(!mapcs-32:-mapcs-26}" +# define MULTILIB_DEFAULTS \ + { "mlittle-endian", "mhard-float", "mapcs-26", "mno-thumb-interwork" } #endif /* This was defined in linux.h. Define it here also. */ @@ -45,7 +66,8 @@ Boston, MA 02111-1307, USA. */ #define LIB_SPEC \ "%{shared: -lc} \ %{!shared: %{pthread:-lpthread} \ - %{profile:-lc_p} %{!profile: -lc}}" + %{profile:-lc_p} %{!profile: -lc}}" + #define LIBGCC_SPEC "%{msoft-float:-lfloat} -lgcc" @@ -81,14 +103,17 @@ Boston, MA 02111-1307, USA. */ %{mbig-endian:-EB}" \ SUBTARGET_EXTRA_LINK_SPEC +#define ASM_SPEC "%{mbig-endian:-EB} \ + %{mcpu=*:-m%*} %{march=*:-m%*} \ + %{mthumb-interwork:-mthumb-interwork} \ + %{msoft-float:-mno-fpu} \ + %{mapcs-float:-mfloat}" \ + SUBTARGET_EXTRA_ASM_SPEC + #undef CPP_PREDEFINES #define CPP_PREDEFINES \ -"-Dunix -Darm -Dlinux -Asystem(unix) -Asystem(posix) -Acpu(arm) \ --Amachine(arm) -D__ELF__ -Darm_elf" - -#ifndef SUBTARGET_DEFAULT_APCS26 -#define CPP_APCS_PC_DEFAULT_SPEC "-D__APCS_32__" -#endif +"-Dunix -D__arm__ -Dlinux -D__ELF__ \ +-Asystem(unix) -Asystem(posix) -Acpu(arm) -Amachine(arm)" /* Allow #sccs in preprocessor. */ #define SCCS_DIRECTIVE @@ -236,10 +261,6 @@ const_section () \ #include "arm/elf.h" #include "arm/linux-gas.h" -#ifndef SUBTARGET_DEFAULT_APCS26 -/* On 32-bit machine it is always safe to assume we have the "new" - floating point system. - ?? Make this happen for all targets when NWFPE is better established. */ +/* NWFPE always understands FPA instructions. */ #undef FP_DEFAULT #define FP_DEFAULT FP_SOFT3 -#endif |
