Re: PowerPC: sotruss-lib implementation

[Adhemerval Zanella <azanella at linux dot vnet dot ibm dot com>]

Ping.

On 10-12-2013 15:38, Adhemerval Zanella wrote:
> Hi all,
>
> This patch add the missing sotruss-lib interfaces for PowerPC. Tested on
> PPC32, PPC64, PPC64LE. OK to apply?
>
> ---
>
> 2013-12-10  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
>
>         * sysdeps/powerpc/sotruss-lib.c: New file: sotruss-lib.so
> 	implementation for powerpc.
>
> --
>
> diff --git a/sysdeps/powerpc/sotruss-lib.c b/sysdeps/powerpc/sotruss-lib.c
> new file mode 100644
> index 0000000..67779c4
> --- /dev/null
> +++ b/sysdeps/powerpc/sotruss-lib.c
> @@ -0,0 +1,69 @@
> +/* PowerPC specific sotruss-lib functions.
> +   Copyright (C) 2013 Free Software Foundation, Inc.
> +
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library.  If not, see
> +   <http://www.gnu.org/licenses/>.  */
> +
> +#define HAVE_ARCH_PLTENTER
> +#define HAVE_ARCH_PLTEXIT
> +
> +#include <elf/sotruss-lib.c>
> +
> +#if defined(__PPC64__) || defined(__powerpc64__)
> +# if _CALL_ELF != 2
> +#  define LA_PPC_REGS          La_ppc64_regs
> +#  define LA_PPC_RETVAL        La_ppc64_retval
> +#  define LA_PPC_GNU_PLTENTER  la_ppc64_gnu_pltenter
> +#  define LA_PPC_GNU_PLTEXIT   la_ppc64_gnu_pltexit
> +# else
> +#  define LA_PPC_REGS          La_ppc64v2_regs
> +#  define LA_PPC_RETVAL        La_ppc64v2_retval
> +#  define LA_PPC_GNU_PLTENTER  la_ppc64v2_gnu_pltenter
> +#  define LA_PPC_GNU_PLTEXIT   la_ppc64v2_gnu_pltexit
> +# endif
> +# else
> +# define LA_PPC_REGS           La_ppc32_regs
> +# define LA_PPC_RETVAL         La_ppc32_retval
> +# define LA_PPC_GNU_PLTENTER   la_ppc32_gnu_pltenter
> +# define LA_PPC_GNU_PLTEXITA   la_ppc32_gnu_pltexit
> +#endif
> +
> +ElfW(Addr)
> +LA_PPC_GNU_PLTENTER (ElfW(Sym) *sym __attribute__ ((unused)),
> +		     unsigned int ndx __attribute__ ((unused)),
> +		     uintptr_t *refcook, uintptr_t *defcook,
> +		     LA_PPC_REGS *regs, unsigned int *flags,
> +		     const char *symname, long int *framesizep)
> +{
> +  print_enter (refcook, defcook, symname,
> +	       regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2], *flags);
> +
> +  /* No need to copy anything, we will not need the parameters in any case.  */
> +  *framesizep = 0;
> +
> +  return sym->st_value;
> +}
> +
> +unsigned int
> +LA_PPC_GNU_PLTEXIT (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
> +		    uintptr_t *defcook,
> +		    const struct LA_PPC_REGS *inregs,
> +		    struct LA_PPC_RETVAL *outregs, const char *symname)
> +{
> +  print_exit (refcook, defcook, symname, outregs->lrv_r3);
> +
> +  return 0;
> +}
>