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Use disassemble.c:disassembler select rs6000 disassembler

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Nowadays, rs6000 disassembler is selected in different ways in
opcodes and gdb,

opcodes:
    case bfd_arch_rs6000:
      if (mach == bfd_mach_ppc_620)
	disassemble = print_insn_big_powerpc;
      else
	disassemble = print_insn_rs6000;
      break;

gdb:

  if (arch == bfd_arch_rs6000)
    set_gdbarch_print_insn (gdbarch, print_insn_rs6000);
  else
    set_gdbarch_print_insn (gdbarch, gdb_print_insn_powerpc);

I am not sure which one is the right one.  However, such selection
should be done in one place instead of two.

gdb:

2017-05-24  Yao Qi  <yao.qi@linaro.org>

	* rs6000-tdep.c (gdb_print_insn_powerpc): Remove.
	(rs6000_gdbarch_init): Don't call set_gdbarch_print_insn.
This commit is contained in:
Yao Qi 2017-05-24 17:23:52 +01:00
parent ab20fa4ae9
commit f4985dba0f
2 changed files with 5 additions and 14 deletions
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14
gdb/rs6000-tdep.c
View file

@ -3233,14 +3233,6 @@ find_variant_by_arch (enum bfd_architecture arch, unsigned long mach)
return NULL;
}
static int
gdb_print_insn_powerpc (bfd_vma memaddr, disassemble_info *info)
{
if (info->endian == BFD_ENDIAN_BIG)
return print_insn_big_powerpc (memaddr, info);
else
return print_insn_little_powerpc (memaddr, info);
}
static CORE_ADDR
rs6000_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
@ -6449,12 +6441,6 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_have_nonsteppable_watchpoint (gdbarch, 1);
/* Select instruction printer. */
if (arch == bfd_arch_rs6000)
set_gdbarch_print_insn (gdbarch, print_insn_rs6000);
else
set_gdbarch_print_insn (gdbarch, gdb_print_insn_powerpc);
set_gdbarch_num_regs (gdbarch, PPC_NUM_REGS);
if (have_spe)