ppc-sim libgloss patch for access()

[jjohnstn]

Geoff Keating wrote:

> This lets the g77 testsuite mostly run under the powerpc simulator.
>
> There's also some tidying-up, to make the syscalls look like those
> in glibc.
>
> OK to commit?

Yes, go ahead.

-- Jeff Johnston (Red Hat Inc.)

>
>
> --
> - Geoffrey Keating <geoffk@cygnus.com>
>
> ===File ~/patches/cygnus/rs6000-g77sim-libgloss.patch=======
> 2000-09-01  Geoff Keating  <geoffk@cygnus.com>
>
>         * rs6000/simulator.S: Use conditional returns for documentation
>         purposes.
>         (access): Add new syscall.
>
> Index: libgloss/rs6000/simulator.S
> ===================================================================
> RCS file: /cvs/src/src/libgloss/rs6000/simulator.S,v
> retrieving revision 1.1
> diff -p -u -u -p -r1.1 simulator.S
> --- simulator.S 2000/03/17 22:48:52     1.1
> +++ simulator.S 2000/09/01 23:36:19
> @@ -1,7 +1,7 @@
>  /*
>   * simulator.S -- PowerPC simulator system calls.
>   *
> - * Copyright (c) 1995 Cygnus Support
> + * Copyright (c) 1995, 2000 Cygnus Support
>   *
>   * The authors hereby grant permission to use, copy, modify, distribute,
>   * and license this software and its documentation for any purpose, provided
> @@ -33,47 +33,48 @@ FUNC_END(_exit)
>  FUNC_START(read)
>         li      r0,3
>         sc
> -       bns+    0f
> +       bnslr+
>         b       FUNC_NAME(_cerror)
> -0:     blr
>  FUNC_END(read)
>
>  FUNC_START(write)
>         li      r0,4
>         sc
> -       bns+    0f
> +       bnslr+
>         b       FUNC_NAME(_cerror)
> -0:     blr
>  FUNC_END(write)
>
>  FUNC_START(open)
>         li      r0,5
>         sc
> -       bns+    0f
> +       bnslr+
>         b       FUNC_NAME(_cerror)
> -0:     blr
>  FUNC_END(open)
>
>  FUNC_START(close)
>         li      r0,6
>         sc
> -       bns+    0f
> +       bnslr+
>         b       FUNC_NAME(_cerror)
> -0:     blr
>  FUNC_END(close)
>
>  FUNC_START(brk)
>         li      r0,17
>         sc
> -       bns+    0f
> +       bnslr+
>         b       FUNC_NAME(_cerror)
> -0:     blr
>  FUNC_END(brk)
>
> +FUNC_START(access)
> +       li      r0,33
> +       sc
> +       bnslr+
> +       b       FUNC_NAME(_cerror)
> +FUNC_END(access)
> +
>  FUNC_START(lseek)
>         li      r0,199
>         sc
> -       bns+    0f
> +       bnslr+
>         b       FUNC_NAME(_cerror)
> -0:     blr
>  FUNC_END(lseek)
> ============================================================