toolchain/glibc/patches/300-arc.patch

   1 --- a/sysdeps/arc/atomic-machine.h
   2 +++ b/sysdeps/arc/atomic-machine.h
   3 @@ -64,6 +64,10 @@ typedef uintmax_t uatomic_max_t;
   4    __atomic_val_bysize (__arch_compare_and_exchange_val, int,           \
   5                        mem, new, old, __ATOMIC_ACQUIRE)
   6
   7 +#ifdef __ARC700__
   8 +#define atomic_full_barrier()  ({ asm volatile ("sync":::"memory"); })
   9 +#else
  10  #define atomic_full_barrier()  ({ asm volatile ("dmb 3":::"memory"); })
  11 +#endif
  12
  13  #endif /* _ARC_BITS_ATOMIC_H */
  14 --- a/sysdeps/unix/sysv/linux/arc/syscall.S
  15 +++ b/sysdeps/unix/sysv/linux/arc/syscall.S
  16 @@ -24,8 +24,13 @@ ENTRY (syscall)
  17         mov_s   r1, r2
  18         mov_s   r2, r3
  19         mov_s   r3, r4
  20 +#ifdef __ARC700__
  21 +       mov     r4, r5
  22 +       mov     r5, r6
  23 +#else
  24         mov_s   r4, r5
  25         mov_s   r5, r6
  26 +#endif
  27
  28         ARC_TRAP_INSN
  29         brhi    r0, -4096, L (call_syscall_err)
  30 --- a/sysdeps/unix/sysv/linux/arc/sysdep.h
  31 +++ b/sysdeps/unix/sysv/linux/arc/sysdep.h
  32 @@ -128,7 +128,11 @@ L (call_syscall_err):                      ASM_LINE_SEP    \
  33      mov    r8, __NR_##syscall_name     ASM_LINE_SEP    \
  34      ARC_TRAP_INSN                      ASM_LINE_SEP
  35
  36 +# ifdef __ARC700__
  37 +# define ARC_TRAP_INSN trap0
  38 +# else
  39  # define ARC_TRAP_INSN trap_s 0
  40 +# endif
  41
  42  #else  /* !__ASSEMBLER__ */
  43
  44 @@ -139,7 +143,11 @@ extern long int __syscall_error (long in
  45  hidden_proto (__syscall_error)
  46  # endif
  47
  48 +# ifdef __ARC700__
  49 +# define ARC_TRAP_INSN "trap0          \n\t"
  50 +# else
  51  # define ARC_TRAP_INSN "trap_s 0       \n\t"
  52 +#endif
  53
  54  # undef INTERNAL_SYSCALL_NCS
  55  # define INTERNAL_SYSCALL_NCS(number, nr_args, args...)        \