diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h index 2b3dd03b8d..e2d599c22b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h @@ -55,7 +55,7 @@ # include <errno.h> /* On powerpc a system call basically clobbers the same registers like a - function call, with the exception of LR (which is needed for the + function call, with the exception of LR (which is needed for the "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal an error return status). */ @@ -99,8 +99,11 @@ 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_DECL +# define INTERNAL_SYSCALL_DECL(err) do { } while (0) + # undef INTERNAL_SYSCALL -# define INTERNAL_SYSCALL(name, nr, args...) \ +# define INTERNAL_SYSCALL(name, err, nr, args...) \ ({ \ register long r0 __asm__ ("r0"); \ register long r3 __asm__ ("r3"); \ @@ -126,12 +129,13 @@ : "cr0", "ctr", "memory"); \ (int) r3; \ }) - + # undef INTERNAL_SYSCALL_ERROR_P -# define INTERNAL_SYSCALL_ERROR_P(val) ((unsigned long) (val) >= 0xfffff001u) - +# define INTERNAL_SYSCALL_ERROR_P(val, err) \ + ((unsigned long) (val) >= 0xfffff001u) + # undef INTERNAL_SYSCALL_ERRNO -# define INTERNAL_SYSCALL_ERRNO(val) (-(val)) +# define INTERNAL_SYSCALL_ERRNO(val, err) (-(val)) # define LOADARGS_0(name, dummy) \ r0 = __NR_##name |