Typo fix in signal_pass initialization

When I read the code, I happen to see this:

   signal_pass = (unsigned char *)
     xmalloc (sizeof (signal_program[0]) * numsigs);
                      ^^^^^^^^^^^^^^
It is a typo, and this patch is to fix it.

gdb:

2014-06-26  Yao Qi  <yao@codesourcery.com>

	* infrun.c (_initialize_infrun): Replace "signal_program[0]"
	with "signal_pass[0]" in the initialization of signal_pass.
Fixes a problem displaying the contents of a binary containing corrupt debug
information, specifically a DW_AT_MIPS_linkage_name attribute that has a numeric
value rather than a string value.

	PR binutils/16949
	* dwarf2.c (is_str_attr): New function.
	(find_abstract_instance_name): Use it to determine when an
	attribute has a string value.
Move local variables to inner block

dummy_frame_sniffer has two local variables dummyframe and this_id,
but they are only used in the if block below.  This patch is to move
them into the inner block.

gdb:

2014-06-26  Yao Qi  <yao@codesourcery.com>

	* dummy-frame.c (dummy_frame_sniffer): Move local variables
	dummyframe and this_id into inner block below.
Fixes part of a problem reading deliberately non-conforming ELF binaries - where a
note segment is present but no note section.

	* readelf.c (process_note_sections): If there are no note sections
	try processing note segments instead.
Change the default behaviour of the PE targeted linker so that timestamps are
inserted.  This is for compatibility with other, non-GNU tools.  Deterministic
binaries can still be created by using the new --no-insert-timestamp command line
option.

	* emultempl/pe.em: Initialise insert_timestamp to true.
	Add a --no-insert-timestamp command line option.
	* emultempl/pep.em: Likewise.
	* ld.texinfo: Document that --insert-timestamp is enabled by
	default and that it now has an inverse command line option.
	* NEWS: Mention the new behaviour.
Fix a compile time warning on 32-bit hosts.

	* or1k-desc.h (spr_field_masks): Add U suffix to the end of long
	constants.
This adds the ability to the strings program to display strings that contain \n and \r characters.

	* strings.c: Add -w/--include-all-whitespace option to include any
	whitespace character in the displayed strings.
	* NEWS: Mention the new feature.
	* doc/binutils.texi (strings): Document the new command line
	option.
fix memory errors with demangled name hash

This fixes a regression that Jan pointed out.

The bug is that some names were allocated by dwarf2read on the objfile
obstack, but then passed to SYMBOL_SET_NAMES with copy_name=0.  This
violates the invariant that the names must have a lifetime tied to the
lifetime of the BFD.

The fix is to allocate names on the per-BFD obstack.

I looked at all callers, direct or indirect, of SYMBOL_SET_NAMES that
pass copy_name=0.  Note that only the ELF and DWARF readers do this;
other symbol readers were never updated (and perhaps cannot be,
depending on the details of the formats).  This is why the patch is
relatively small.

Built and regtested on x86-64 Fedora 20.

2014-06-26  Tom Tromey  <tromey@redhat.com>

	PR symtab/16902:
	* dwarf2read.c (fixup_go_packaging, dwarf2_compute_name)
	(dwarf2_physname, read_partial_die)
	(guess_partial_die_structure_name, fixup_partial_die)
	(guess_full_die_structure_name, anonymous_struct_prefix)
	(dwarf2_name): Use per-BFD obstack.
constify to_load

This makes the argument to the target_ops to_load method "const", and
fixes up the fallout.  Tested by rebuilding all the affected files.

2014-06-26  Tom Tromey  <tromey@redhat.com>

	* defs.h (generic_load): Update.
	* m32r-rom.c (m32r_load_gen): Make "filename" const.
	* monitor.c (monitor_load): Make "args" const.
	* remote-m32r-sdi.c (m32r_load): Make "args" const.
	* remote-mips.c (mips_load_srec, pmon_load_fast): Make "args"
	const.
	(mips_load): Make "file" const.
	* remote-sim.c (gdbsim_load): Make "args" const.
	* remote.c (remote_load): Make "name" const.
	* symfile.c (generic_load): Make "args" const.
	* target-delegates.c: Rebuild.
	* target.c (target_load): Make "arg" const.
	(debug_to_load): Make "args" const.
	* target.h (struct target_ops) <to_load>: Make parameter const.
	(target_load): Update.
constify get_bookmark and goto_bookmark

This makes arguments to to_get_bookmark and to_goto_bookmark const and
fixes the fallout.  Tested by rebuilding.  The only thing of note is
the new split between cmd_record_goto and record_goto -- basically
separating the CLI function from a new internal API, to allow const
propagation.

2014-06-26  Tom Tromey  <tromey@redhat.com>

	* record-full.c (record_full_get_bookmark): Make "args" const.
	(record_full_goto_bookmark): Make "raw_bookmark" const.
	* record.c (record_goto): New function.
	(cmd_record_goto): Use it.  Now static.
	* record.h (record_goto): Declare.
	(cmd_record_goto): Remove declaration.
	* target-delegates.c: Rebuild.
	* target.h (struct target_ops) <to_get_bookmark,
	to_goto_bookmark>: Make parameter const.
constify do_set_command and do_show_command

This changes do_set_command and do_show_command to take const
arguments.

2014-06-26  Tom Tromey  <tromey@redhat.com>

	* cli/cli-setshow.c (do_set_command): Make "arg" const.
	(do_show_command): Make "arg" const.
	* cli/cli-setshow.h (do_set_command, do_show_command): Update.
constify error_no_arg

This is a trivial patch to make error_no_arg take a const argument.

2014-06-26  Tom Tromey  <tromey@redhat.com>

	* cli/cli-cmds.c (error_no_arg): Make "why" const.
	* command.h (error_no_arg): Update.
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