sh-elf disassembly broken (Was: Re: RFC: Moving disassembler_command to cli land and using newer disassembler code)

[Joern Rennecke]

This patch:

2002-11-07  Fernando Nasser  <fnasser@redhat.com>

        * printcmd.c (disassemble_command): Remove obsolete function.
        (_initialize_printcmd): Do not create disassemble command here.
        * cli/cli-cmds.c (disassemble_command): New function.  Implements
        disassemble command.
        (init_cli_cmds): Create disassemble command here instead.

breaks disassembly for sh-elf (just try to disassemble any
function in any sh-elf object file).

gdb_disassembly uses TARGET_PRINT_INSN_INFO->mach to initialize
di.mach, but TARGET_PRINT_INSN_INFO->mach is never initialized.

Before your patch, print_insn had set TARGET_PRINT_INSN_INFO->mach
to TARGET_ARCHITECTURE->mach, which gets expanded to 
(gdbarch_bfd_arch_info (current_gdbarch))->mach .


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