55aa24fb2e
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.
117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/* CLI utilities.
|
|
|
|
Copyright (c) 2011-2012 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef CLI_UTILS_H
|
|
#define CLI_UTILS_H
|
|
|
|
/* *PP is a string denoting a number. Get the number of the. Advance
|
|
*PP after the string and any trailing whitespace.
|
|
|
|
Currently the string can either be a number, or "$" followed by the
|
|
name of a convenience variable, or ("$" or "$$") followed by digits. */
|
|
|
|
extern int get_number (char **);
|
|
|
|
/* An object of this type is passed to get_number_or_range. It must
|
|
be initialized by calling init_number_or_range. This type is
|
|
defined here so that it can be stack-allocated, but all members
|
|
other than `finished' and `string' should be treated as opaque. */
|
|
|
|
struct get_number_or_range_state
|
|
{
|
|
/* Non-zero if parsing has completed. */
|
|
int finished;
|
|
|
|
/* The string being parsed. When parsing has finished, this points
|
|
past the last parsed token. */
|
|
char *string;
|
|
|
|
/* Last value returned. */
|
|
int last_retval;
|
|
|
|
/* When parsing a range, the final value in the range. */
|
|
int end_value;
|
|
|
|
/* When parsing a range, a pointer past the final token in the
|
|
range. */
|
|
char *end_ptr;
|
|
|
|
/* Non-zero when parsing a range. */
|
|
int in_range;
|
|
};
|
|
|
|
/* Initialize a get_number_or_range_state for use with
|
|
get_number_or_range_state. STRING is the string to be parsed. */
|
|
|
|
extern void init_number_or_range (struct get_number_or_range_state *state,
|
|
char *string);
|
|
|
|
/* Parse a number or a range.
|
|
A number will be of the form handled by get_number.
|
|
A range will be of the form <number1> - <number2>, and
|
|
will represent all the integers between number1 and number2,
|
|
inclusive.
|
|
|
|
While processing a range, this fuction is called iteratively;
|
|
At each call it will return the next value in the range.
|
|
|
|
At the beginning of parsing a range, the char pointer STATE->string will
|
|
be advanced past <number1> and left pointing at the '-' token.
|
|
Subsequent calls will not advance the pointer until the range
|
|
is completed. The call that completes the range will advance
|
|
the pointer past <number2>. */
|
|
|
|
extern int get_number_or_range (struct get_number_or_range_state *state);
|
|
|
|
/* Accept a number and a string-form list of numbers such as is
|
|
accepted by get_number_or_range. Return TRUE if the number is
|
|
in the list.
|
|
|
|
By definition, an empty list includes all numbers. This is to
|
|
be interpreted as typing a command such as "delete break" with
|
|
no arguments. */
|
|
|
|
extern int number_is_in_list (char *list, int number);
|
|
|
|
/* Skip leading whitespace characters in INP, returning an updated
|
|
pointer. If INP is NULL, return NULL. */
|
|
|
|
extern char *skip_spaces (char *inp);
|
|
|
|
/* A const-correct version of the above. */
|
|
|
|
extern const char *skip_spaces_const (const char *inp);
|
|
|
|
/* Skip leading non-whitespace characters in INP, returning an updated
|
|
pointer. If INP is NULL, return NULL. */
|
|
|
|
extern char *skip_to_space (char *inp);
|
|
|
|
/* Reverse S to the last non-whitespace character without skipping past
|
|
START. */
|
|
|
|
extern char *remove_trailing_whitespace (const char *start, char *s);
|
|
|
|
/* A helper function to extract an argument from *ARG. An argument is
|
|
delimited by whitespace. The return value is either NULL if no
|
|
argument was found, or an xmalloc'd string. */
|
|
|
|
extern char *extract_arg (char **arg);
|
|
|
|
#endif /* CLI_UTILS_H */
|