diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h index d2cee1ffc7..2b3dd03b8d 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h @@ -85,7 +85,7 @@ : "cr0", "ctr", "memory"); \ err = r0; \ ret = r3; \ - if (err & (1 << 28)) \ + if (__builtin_expect (err & (1 << 28), 0)) \ { \ __set_errno (ret); \ ret = -1L; \ @@ -99,7 +99,7 @@ gave back in the non-error (CR0.SO cleared) case, otherwise (CR0.SO set) the negation of the return value in the kernel gets reverted. */ -#undef INTERNAL_SYSCALL +# undef INTERNAL_SYSCALL # define INTERNAL_SYSCALL(name, nr, args...) \ ({ \ register long r0 __asm__ ("r0"); \ @@ -127,31 +127,43 @@ (int) r3; \ }) -#undef INTERNAL_SYSCALL_ERROR_P -#define INTERNAL_SYSCALL_ERROR_P(val) ((unsigned long) (val) >= -4095U) +# undef INTERNAL_SYSCALL_ERROR_P +# define INTERNAL_SYSCALL_ERROR_P(val) ((unsigned long) (val) >= 0xfffff001u) -#undef INTERNAL_SYSCALL_ERRNO -#define INTERNAL_SYSCALL_ERRNO(val) (-(val)) +# undef INTERNAL_SYSCALL_ERRNO +# define INTERNAL_SYSCALL_ERRNO(val) (-(val)) # define LOADARGS_0(name, dummy) \ r0 = __NR_##name # define LOADARGS_1(name, arg1) \ LOADARGS_0(name, 0); \ + extern void __illegally_sized_syscall_##name##_arg1 (void); \ + if (sizeof (arg1) > 4) __illegally_sized_syscall_##name##_arg1 (); \ r3 = (long) (arg1) # define LOADARGS_2(name, arg1, arg2) \ LOADARGS_1(name, arg1); \ + extern void __illegally_sized_syscall_##name##_arg2 (void); \ + if (sizeof (arg2) > 4) __illegally_sized_syscall_##name##_arg2 (); \ r4 = (long) (arg2) # define LOADARGS_3(name, arg1, arg2, arg3) \ LOADARGS_2(name, arg1, arg2); \ + extern void __illegally_sized_syscall_##name##_arg3 (void); \ + if (sizeof (arg3) > 4) __illegally_sized_syscall_##name##_arg3 (); \ r5 = (long) (arg3) # define LOADARGS_4(name, arg1, arg2, arg3, arg4) \ LOADARGS_3(name, arg1, arg2, arg3); \ + extern void __illegally_sized_syscall_##name##_arg4 (void); \ + if (sizeof (arg4) > 4) __illegally_sized_syscall_##name##_arg4 (); \ r6 = (long) (arg4) # define LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5) \ LOADARGS_4(name, arg1, arg2, arg3, arg4); \ + extern void __illegally_sized_syscall_##name##_arg5 (void); \ + if (sizeof (arg5) > 4) __illegally_sized_syscall_##name##_arg5 (); \ r7 = (long) (arg5) # define LOADARGS_6(name, arg1, arg2, arg3, arg4, arg5, arg6) \ LOADARGS_5(name, arg1, arg2, arg3, arg4, arg5); \ + extern void __illegally_sized_syscall_##name##_arg6 (void); \ + if (sizeof (arg6) > 4) __illegally_sized_syscall_##name##_arg6 (); \ r8 = (long) (arg6) # define ASM_INPUT_0 "0" (r0) |