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.

1 files changed, 2 insertions, 6 deletions

diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c
index eebe61a..909f282 100644
--- a/gdb/ax-gdb.c
+++ b/gdb/ax-gdb.c
@@ -95,8 +95,6 @@ static void gen_int_literal (struct agent_expr *ax,
 			     struct axs_value *value,
 			     LONGEST k, struct type *type);
 
-
-static void require_rvalue (struct agent_expr *ax, struct axs_value *value);
 static void gen_usual_unary (struct expression *exp, struct agent_expr *ax,
 			     struct axs_value *value);
 static int type_wider_than (struct type *type1, struct type *type2);
@@ -157,8 +155,6 @@ static void gen_repeat (struct expression *exp, union exp_element **pc,
 static void gen_sizeof (struct expression *exp, union exp_element **pc,
 			struct agent_expr *ax, struct axs_value *value,
 			struct type *size_type);
-static void gen_expr (struct expression *exp, union exp_element **pc,
-		      struct agent_expr *ax, struct axs_value *value);
 static void gen_expr_binop_rest (struct expression *exp,
 				 enum exp_opcode op, union exp_element **pc,
 				 struct agent_expr *ax,
@@ -791,7 +787,7 @@ gen_int_literal (struct agent_expr *ax, struct axs_value *value, LONGEST k,
 /* Take what's on the top of the stack (as described by VALUE), and
    try to make an rvalue out of it.  Signal an error if we can't do
    that.  */
-static void
+void
 require_rvalue (struct agent_expr *ax, struct axs_value *value)
 {
   /* Only deal with scalars, structs and such may be too large
@@ -1803,7 +1799,7 @@ gen_sizeof (struct expression *exp, union exp_element **pc,
 /* XXX: i18n */
 /* A gen_expr function written by a Gen-X'er guy.
    Append code for the subexpression of EXPR starting at *POS_P to AX.  */
-static void
+void
 gen_expr (struct expression *exp, union exp_element **pc,
 	  struct agent_expr *ax, struct axs_value *value)
 {