sysdeps/arm/Makefile

   1 gnulib-arch = $(elf-objpfx)libgcc-stubs.a
   2 static-gnulib-arch = $(elf-objpfx)libgcc-stubs.a
   3
   4 # All supported build tools support TLS descriptors, but the OS may not.
   5 ifndef have-arm-tls-desc
   6 have-arm-tls-desc = yes
   7 endif
   8
   9 ifeq ($(subdir),elf)
  10 sysdep-dl-routines += tlsdesc dl-tlsdesc
  11 sysdep_routines += aeabi_unwind_cpp_pr1 find_exidx
  12 sysdep-rtld-routines += aeabi_unwind_cpp_pr1
  13 shared-only-routines += aeabi_unwind_cpp_pr1
  14
  15 $(objpfx)libgcc-stubs.a: $(objpfx)aeabi_unwind_cpp_pr1.os
  16         $(build-extra-lib)
  17
  18 lib-noranlib: $(objpfx)libgcc-stubs.a
  19
  20 ifeq ($(build-shared),yes)
  21 ifeq ($(have-arm-tls-desc),yes)
  22 tests += tst-armtlsdescloc tst-armtlsdescextnow tst-armtlsdescextlazy
  23 modules-names += tst-armtlsdesclocmod
  24 modules-names += tst-armtlsdescextlazymod tst-armtlsdescextnowmod
  25 CPPFLAGS-tst-armtlsdescextnowmod.c += -Dstatic=
  26 CPPFLAGS-tst-armtlsdescextlazymod.c += -Dstatic=
  27 CFLAGS-tst-armtlsdesclocmod.c += -mtls-dialect=gnu2
  28 CFLAGS-tst-armtlsdescextnowmod.c += -mtls-dialect=gnu2
  29 CFLAGS-tst-armtlsdescextlazymod.c += -mtls-dialect=gnu2
  30 LDFLAGS-tst-armtlsdescextnowmod.so += -Wl,-z,now
  31 tst-armtlsdescloc-ENV = LD_BIND_NOW=1
  32 tst-armtlsdescextnow-ENV = LD_BIND_NOW=1
  33 tst-armtlsdescextlazy-ENV = LD_BIND_NOW=1
  34 $(objpfx)tst-armtlsdescloc: $(objpfx)tst-armtlsdesclocmod.so
  35 $(objpfx)tst-armtlsdescextnow: $(objpfx)tst-armtlsdescextnowmod.so
  36 $(objpfx)tst-armtlsdescextlazy: $(objpfx)tst-armtlsdescextlazymod.so
  37 endif
  38 endif
  39 endif
  40
  41 ifeq ($(subdir),csu)
  42 # get offset to rtld_global._dl_hwcap
  43 gen-as-const-headers += rtld-global-offsets.sym tlsdesc.sym
  44 aeabi_constants = aeabi_lcsts aeabi_sighandlers aeabi_math
  45 aeabi_routines = aeabi_assert aeabi_localeconv aeabi_errno_addr \
  46                  aeabi_mb_cur_max aeabi_atexit aeabi_memclr aeabi_memcpy \
  47                  aeabi_memmove aeabi_memset \
  48                  aeabi_read_tp libc-aeabi_read_tp
  49
  50 sysdep_routines += $(aeabi_constants) $(aeabi_routines)
  51 static-only-routines += $(aeabi_constants) aeabi_read_tp
  52 shared-only-routines += libc-aeabi_read_tp
  53
  54 # In order for unwinding to fail when it falls out of main, we need a
  55 # cantunwind marker.  There's one in start.S.  To make sure we reach it, add
  56 # unwind tables for __libc_start_main.
  57 CFLAGS-libc-start.c += -fexceptions
  58
  59 sysdep_routines += arm-unwind-resume
  60 shared-only-routines += arm-unwind-resume
  61 endif
  62
  63 ifeq ($(subdir),gmon)
  64 sysdep_routines += arm-mcount
  65 endif
  66
  67 ifeq ($(subdir),debug)
  68 CFLAGS-backtrace.c += -funwind-tables
  69 endif
  70
  71 ifeq ($(subdir),rt)
  72 librt-sysdep_routines += rt-aeabi_unwind_cpp_pr1 rt-arm-unwind-resume
  73 librt-shared-only-routines += rt-aeabi_unwind_cpp_pr1 rt-arm-unwind-resume
  74 endif
  75
  76 ifeq ($(subdir),nptl)
  77 libpthread-sysdep_routines += pt-arm-unwind-resume
  78 libpthread-shared-only-routines += pt-arm-unwind-resume
  79 endif