Add new ELF_SPARC_HWCAP_* defines for features found on SPARC-T4.

include/elf/

	* sparc.h: Add new ELF_SPARC_HWCAP_* defines for crypto,
	pause, and compare-and-branch instructions.
Move sparc opcode hwcaps out of sparc_opcode flags field.

include/opcode/

	* sparc.h (struct sparc_opcode): New field 'hwcaps'.
	F_MUL32, F_DIV32, F_FDMULD, F_V8PLUS, F_POPC, F_VIS, F_VIS2,
	F_ASI_BLK_INIT, F_FMAF, F_VIS3, F_HPC, F_RANDOM, F_TRANS,
	F_FJFMAU, F_IMA, F_ASI_CACHE_SPARING, F_HWCAP_MASK): Delete.
	(HWCAP_MUL32, HWCAP_DIV32, HWCAP_FSMULD, HWCAP_V8PLUS, HWCAP_POPC,
	HWCAP_VIS, HWCAP_VIS2, HWCAP_ASI_BLK_INIT, HWCAP_FMAF,
	HWCAP_VIS3, HWCAP_HPC, HWCAP_RANDOM, HWCAP_TRANS, HWCAP_FJFMAU,
	HWCAP_IMA, HWCAP_ASI_CACHE_SPARING, HWCAP_AES, HWCAP_DES,
	HWCAP_KASUMI, HWCAP_CAMELLIA, HWCAP_MD5, HWCAP_SHA1,
	HWCAP_SHA256, HWCAP_SHA512, HWCAP_MPMUL, HWCAP_MONT, HWCAP_PAUSE,
	HWCAP_CBCOND, HWCAP_CRC32): New defines.

opcodes/

	* sparc-opc.c (sparc_opcodes): Rework table to put HWCAP values
	into new struct sparc_opcode 'hwcaps' field instead of 'flags'.

gas/

	* config/tc-sparc.c (sparc_arch_table): Rework to use HWCAP_*
	masks.
	(sparc_md_end): No longer need to translate hwcap_seen values into
	ELF hwcap bits, they now match exactly.
	(get_hwcap_name): Use HWCAP_* and handle new values.
	(sparc_ip): Fetch hwcaps from insn->hwcaps instead of insn->flags.
Add support for SPARC T4 crypto instructions.

include/opcode/

	* sparc.h: Document new arg code' )' for crypto RS3
	immediates.

opcodes/

	* sparc-dis.c (print_insn_sparc): Handle ')'.
	* sparc-opc.c (sparc_opcodes): Add crypto instructions.

gas/

	* config/tc-sparc.c (sparc_ip): Likewise.  Accept instruction
	names containing "_".
	(sparc_arch_table): Add sparc4, v8pluse, and v9e.  Add crypto
	hwcap masks to v8plusv and v9v.

gas/testsuite/

	* gas/sparc/crypto.s: New file.
	* gas/sparc/crypto.d: New file.
	* gas/sparc/sparc.exp: Run crypto test.
Add support for sparc compare-and-branch instructions.

opcodes/

	* sparc-opc.c (CBCOND): New define.
	(CBCOND_XCC): Likewise.
	(cbcond): New helper macro.
	(sparc_opcodes): Add compare-and-branch instructions.

gas/

	* config/tc-sparc.c (sparc_arch_table): Add HWCAP_CBCOND to
	sparc4, v8pluse, v8plusv, v9e, and v9v.
	(sparc_ip): Handle R_SPARC_5 of immediate constants inline in
	order to accomodate cbcond which otherwise would require two
	relocations to be handled in a single instruction..

gas/testsuite/

	* gas/sparc/cbcond.s: New file.
	* gas/sparc/cbcond.d: New file.
	* gas/sparc/sparc.exp: Run cbcond test.
merge from gcc
Add support for sparc pause instruction.

opcodes/

	* sparc-opc.c (sparc_opcodes): Add 'wr X, %pause' and 'pause'.
	* sparc-dis.c (v9a_asr_reg_names): Add 'pause'.

gas/

	* config/tc-sparc.c (sparc_arch_table): Add HWCAP_PAUSE to sparc4,
	v8pluse, v8plusv, v9e, and v9v.
	(v9a_asr_table): Add 'pause'.

gas/testsuite/

	* gas/sparc/sparc.exp: Run pause test.
	* gas/sparc/pause.s: New testcase.
	* gas/sparc/pause.d: Likewise.
	* configure.ac: Add AC_ARG_PROGRAM.
	* configure: Regenerate.
	* proc-utils.h (proc_prettyprint_signalset): New prototype.
	(proc_prettyprint_signal): Likewise.
	(proc_prettyprint_faultset): Likewise.
	(proc_prettyprint_fault): Likewise.
	(proc_prettyprint_actionset): Likewise.
	(proc_prettyprint_flags): Move to new proc-flags.c section.
	(proc_prettyfprint_flags): New prototype.
	* procfs.c (proc_nsysarg, proc_sysargs): Add prototypes.
	(proc_syscall, proc_cursig): Likewise.
	(proc_set_kill_on_last_close): Likewise.
	(proc_unset_kill_on_last_close): Likewise.
	(proc_set_watchpoint): Make static.
	(proc_delete_dead_threads): Likewise.
	(procfs_set_watchpoint): Likewise.
	(_initialize_procfs): Add prototype.
	* proc-events.c: Include proc-utils.h.
	(init_syscall_table): Make static.
	* proc-api.c (_initialize_proc_api): Add prototype.
	* proc-flags.c: Include proc-utils.h.
	* MAINTAINERS (Write After Approval): Add myself to the list.
       * dwarf2read.c (dwarf2_get_pc_bounds): Check DW_AT_high_pc form to
       see whether it is an address or a constant offset from DW_AT_low_pc.
       (dwarf2_record_block_ranges): Likewise.
       (read_partial_die): Likewise.
       * dwarf2.c (scan_unit_for_symbols): Account for DW_AT_high_pc
       possibly being relative to DW_AT_low_pc.
       (parse_comp_unit): Likewise.
2012-04-27  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* ax-gdb.c (gen_expr): Clean up code to handle internal variables
	and to compile agent expressions.
	* infrun.c (siginfo_make_value): New argument `ignore'.
	(siginfo_funcs): New struct.
	(_initialize_infrun): New argument when calling
	`create_internalvar_type_lazy'.
	* thread.c (thread_id_make_value): New argument `ignore'.
	(thread_funcs): New struct.
	(_initialize_thread): New argument when calling
	`create_internalvar_type_lazy'.
	* tracepoint.c (sdata_make_value): New argument `ignore'.
	(sdata_funcs): New struct.
	(_initialize_tracepoint): New argument when calling
	`create_internalvar_type_lazy'.
	* value.c (make_value): New struct.
	(create_internalvar_type_lazy): New argument `data'.
	(compile_internalvar_to_ax): New function.
	(value_of_internalvar): Properly handling `make_value' case.
	(clear_internalvar): Likewise.
	(show_convenience): Adding `TRY_CATCH' block.
	* value.h (internalvar_make_value): Delete, replace by...
	(struct internalvar_funcs): ... this.
	(create_internalvar_type_lazy) <fun>: Delete argument.
	(create_internalvar_type_lazy) <funcs>, <data>: New arguments.
	(compile_internalvar_to_ax): New function.
	* windows-tdep.c (tlb_make_value): New argument `ignore'.
	(tlb_funcs): New struct.
	(_initialize_windows_tdep): New argument when calling
	`create_internalvar_type_lazy'.
Add support for sparc %cfr ASR register.

opcodes/

	* sparc-dis.c (v9a_asr_reg_names): Add 'cfr'.
	* sparc-opc.c (sparc_opcodes): Add rd/wr cases for %cfr.

gas/

	* config/tc-sparc.c (v9a_asr_table): Add 'cfr'.

gas/testsuite/

	* gas/sparc/sparc.exp: Run cfr test.
	* gas/sparc/cfr.s: New testcase.
	* gas/sparc/cfr.d: Likewise.
2012-04-27  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Tom Tromey  <tromey@redhat.com>
	    Jan Kratochvil  <jan.kratochvil@redhat.com>

	* Makefile.in (SFILES): Add `probe' and `stap-probe'.
	(COMMON_OBS): Likewise.
	(HFILES_NO_SRCDIR): Add `probe'.
	* NEWS: Mention support for static and SystemTap probes.
	* amd64-tdep.c (amd64_init_abi): Initializing proper fields used by
	SystemTap probes' arguments parser.
	* arm-linux-tdep.c: Including headers needed to perform the parsing
	of SystemTap probes' arguments.
	(arm_stap_is_single_operand): New function.
	(arm_stap_parse_special_token): Likewise.
	(arm_linux_init_abi): Initializing proper fields used by SystemTap
	probes' arguments parser.
	* ax-gdb.c (require_rvalue): Removing static declaration.
	(gen_expr): Likewise.
	* ax-gdb.h (gen_expr): Declaring function.
	(require_rvalue): Likewise.
	* breakpoint.c: Include `gdb_regex.h' and `probe.h'.
	(bkpt_probe_breakpoint_ops): New variable.
	(momentary_breakpoint_from_master): Set the `probe' value.
	(add_location_to_breakpoint): Likewise.
	(break_command_1): Using proper breakpoint_ops according to the
	argument passed by the user in the command line.
	(bkpt_probe_insert_location): New function.
	(bkpt_probe_remove_location): Likewise.
	(bkpt_probe_create_sals_from_address): Likewise.
	(bkpt_probe_decode_linespec): Likewise.
	(tracepoint_probe_create_sals_from_address): Likewise.
	(tracepoint_probe_decode_linespec): Likewise.
	(tracepoint_probe_breakpoint_ops): New variable.
	(trace_command): Using proper breakpoint_ops according to the
	argument passed by the user in the command line.
	(initialize_breakpoint_ops): Initializing breakpoint_ops for
	static probes on breakpoints and tracepoints.
	* breakpoint.h (struct bp_location) <probe>: New field.
	* cli-utils.c (skip_spaces_const): New function.
	(extract_arg): Likewise.
	* cli-utils.h (skip_spaces_const): Likewise.
	(extract_arg): Likewise.
	* coffread.c (coff_sym_fns): Add `sym_probe_fns' value.
	* configure.ac: Append `stap-probe.o' to be generated when ELF
	support is present.
	* configure: Regenerate.
	* dbxread.c (aout_sym_fns): Add `sym_probe_fns' value.
	* elfread.c: Include `probe.h' and `arch-utils.h'.
	(probe_key): New variable.
	(elf_get_probes): New function.
	(elf_get_probe_argument_count): Likewise.
	(elf_evaluate_probe_argument): Likewise.
	(elf_compile_to_ax): Likewise.
	(elf_symfile_relocate_probe): Likewise.
	(stap_probe_key_free): Likewise.
	(elf_probe_fns): New variable.
	(elf_sym_fns): Add `sym_probe_fns' value.
	(elf_sym_fns_lazy_psyms): Likewise.
	(elf_sym_fns_gdb_index): Likewise.
	(_initialize_elfread): Initialize objfile cache for static
	probes.
	* gdb_vecs.h (struct probe): New forward declaration.
	(probe_p): New VEC declaration.
	* gdbarch.c: Regenerate.
	* gdbarch.h: Regenerate.
	* gdbarch.sh (stap_integer_prefix): New variable.
	(stap_integer_suffix): Likewise.
	(stap_register_prefix): Likewise.
	(stap_register_suffix): Likewise.
	(stap_register_indirection_prefix): Likewise.
	(stap_register_indirection_suffix): Likewise.
	(stap_gdb_register_prefix): Likewise.
	(stap_gdb_register_suffix): Likewise.
	(stap_is_single_operand): New function.
	(stap_parse_special_token): Likewise.
	(struct stap_parse_info): Forward declaration.
	* i386-tdep.c: Including headers needed to perform the parsing
	of SystemTap probes' arguments.
	(i386_stap_is_single_operand): New function.
	(i386_stap_parse_special_token): Likewise.
	(i386_elf_init_abi): Initializing proper fields used by SystemTap
	probes' arguments parser.
	* i386-tdep.h (i386_stap_is_single_operand): New function.
	(i386_stap_parse_special_token): Likewise.
	* machoread.c (macho_sym_fns): Add `sym_probe_fns' value.
	* mipsread.c (ecoff_sym_fns): Likewise.
	* objfiles.c (objfile_relocate1): Support relocation for static
	probes.
	* parse.c (prefixify_expression): Remove static declaration.
	(initialize_expout): Likewise.
	(reallocate_expout): Likewise.
	* parser-defs.h (initialize_expout): Declare function.
	(reallocate_expout): Likewise.
	(prefixify_expression): Likewise.
	* ppc-linux-tdep.c: Including headers needed to perform the parsing
	of SystemTap probes' arguments.
	(ppc_stap_is_single_operand): New function.
	(ppc_stap_parse_special_token): Likewise.
	(ppc_linux_init_abi): Initializing proper fields used by SystemTap
	probes' arguments parser.
	* probe.c: New file, for generic statically defined probe support.
	* probe.h: Likewise.
	* s390-tdep.c: Including headers needed to perform the parsing of
	SystemTap probes' arguments.
	(s390_stap_is_single_operand): New function.
	(s390_gdbarch_init): Initializing proper fields used by SystemTap
	probes' arguments parser.
	* somread.c (som_sym_fns): Add `sym_probe_fns' value.
	* stap-probe.c: New file, for SystemTap probe support.
	* stap-probe.h: Likewise.
	* symfile.h: Include `gdb_vecs.h'.
	(struct sym_probe_fns): New struct.
	(struct sym_fns) <sym_probe_fns>: New field.
	* symtab.c (init_sal): Initialize `probe' field.
	* symtab.h (struct probe): Forward declaration.
	(struct symtab_and_line) <probe>: New field.
	* tracepoint.c (start_tracing): Adjust semaphore on breakpoints
	locations.
	(stop_tracing): Likewise.
	* xcoffread.c (xcoff_sym_fns): Add `sym_probe_fns' value.
2012-04-27  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* breakpoint.c (struct breakpoint_objfile_data)
	<longjmp_searched>,<longjmp_probes>,<exception_searched>,
	<exception_probes>: New fields.
	(free_breakpoint_probes): New function.
	(create_longjmp_master_breakpoint): Prefer SystemTap probe over
	`_Unwind_DebugHook'.
	(create_exception_master_breakpoint): Likewise.
	(_initialize_breakpoint): Registering cleanup for SystemTap probes.
	* infrun.c: Including necessary header files for handling SystemTap
	probes.
	(handle_inferior_event): Handling longjmp breakpoint and exceptions
	via SystemTap probes.
	(check_exception_resume): Remove `func' argument.  Handle exception
	unwinding breakpoint set via a SystemTap probe.
	(insert_exception_resume_from_probe): New function.
gdb/doc/ChangeLog:
2012-04-27  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* gdb.texinfo (Static Probe Points): New entry, explaining SystemTap
	and generic static probe support on GDB.

gdb/testsuite/ChangeLog:
2012-04-27  Sergio Durigan Junior  <sergiodj@redhat.com>
	    Tom Tromey  <tromey@redhat.com>

	* gdb.base/default.exp: Add `$_probe_arg*' convenience
	variables.
	* gdb.base/stap-probe.c: New file.
	* gdb.base/stap-probe.exp: New file.
	* gdb.trace/stap-trace.c: New file.
	* gdb.trace/stap-trace.exp: New file.
	* gdb.cp/nextoverthrow.exp: Add check for SystemTap probe in
	libgcc's unwinder.
*** empty log message ***
daily update
	* dwarf2read.c (dwarf2_read_index): Don't use index if symbol table
	is empty.
2012-04-28  Sergio Durigan Junior  <sergiodj@redhat.com>

	* probe.c (compile_rx_or_error): Silence ARI warning about missing
	 gettext function on `error'.