Re: PowerPC: sotruss-lib implementation

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

Ping, this is the only lingering patch for 2.19.

On 17-12-2013 11:25, Adhemerval Zanella wrote:
> 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;
>> +}
>>