toolchain/uClibc/patches-0.9.29/160-mips_syscall.patch

   1 --- uClibc-0.9.29.orig/libc/sysdeps/linux/mips/syscall.S        2009-02-27 19:26:57.420288905 +0100
   2 +++ uClibc-0.9.29/libc/sysdeps/linux/mips/syscall.S     2009-02-27 19:43:18.000000000 +0100
   3 @@ -29,6 +29,9 @@
   4  .type   syscall,@function
   5  .ent    syscall
   6  syscall:
   7 +#ifdef __PIC__
   8 +       SETUP_GP
   9 +#endif
  10         move    v0, a0          /* Load system call number from first arg.  */
  11         move    a0, a1          /* Move the next three args up a register.  */
  12         move    a1, a2
  13 @@ -60,6 +63,18 @@
  14  #else
  15         addiu   sp,sp,32
  16  #endif
  17 +       bnez    a3, 1f
  18         j ra                    /* Return to caller.  */
  19 +1:
  20 +       move    a0,v0           /* Pass return val to C function. */
  21 +
  22 +#ifdef __PIC__
  23 +       SETUP_GP64(v0, syscall)
  24 +       PTR_LA  t9, __syscall_error
  25 +       RESTORE_GP64
  26 +       jr      t9
  27 +#else
  28 +       j       __syscall_error
  29 +#endif
  30  .end    syscall
  31  .size   syscall,.-syscall