X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Ftracepoint.c;h=fd7c1616409d0a24ed5863f274f360e6339dd0db;hb=6479260d11c8f24a33cea6d0c79778a6beae1f9d;hp=6faec3ec77c54a9abef5f88db2b47359aa08064a;hpb=88e3b34b7c23b9a1b84abdca190f2ced0e5c4c02;p=binutils-gdb.git diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c index 6faec3ec77c..fd7c1616409 100644 --- a/gdb/tracepoint.c +++ b/gdb/tracepoint.c @@ -1,13 +1,13 @@ /* Tracing functionality for remote targets in custom GDB protocol - Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free - Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2007, 2008, 2009 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 2 of the License, or + 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, @@ -16,11 +16,10 @@ 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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #include "defs.h" +#include "arch-utils.h" #include "symtab.h" #include "frame.h" #include "gdbtypes.h" @@ -31,14 +30,21 @@ #include "language.h" #include "gdb_string.h" #include "inferior.h" +#include "breakpoint.h" #include "tracepoint.h" #include "remote.h" +extern int remote_supports_cond_tracepoints (void); +extern char *unpack_varlen_hex (char *buff, ULONGEST *result); #include "linespec.h" #include "regcache.h" #include "completer.h" -#include "gdb-events.h" #include "block.h" #include "dictionary.h" +#include "observer.h" +#include "user-regs.h" +#include "valprint.h" +#include "gdbcore.h" +#include "objfiles.h" #include "ax.h" #include "ax-gdb.h" @@ -64,12 +70,14 @@ large. (400 - 31)/2 == 184 */ #define MAX_AGENT_EXPR_LEN 184 +/* A hook used to notify the UI of tracepoint operations. */ + +void (*deprecated_trace_find_hook) (char *arg, int from_tty); +void (*deprecated_trace_start_stop_hook) (int start, int from_tty); extern void (*deprecated_readline_begin_hook) (char *, ...); extern char *(*deprecated_readline_hook) (char *); extern void (*deprecated_readline_end_hook) (void); -extern void x_command (char *, int); -extern int addressprint; /* Print machine addresses? */ /* GDB commands implemented in other modules: */ @@ -104,11 +112,18 @@ extern void output_command (char *, int); /* ======= Important global variables: ======= */ -/* Chain of all tracepoints defined. */ -struct tracepoint *tracepoint_chain; +/* The list of all trace state variables. We don't retain pointers to + any of these for any reason - API is by name or number only - so it + works to have a vector of objects. */ + +typedef struct trace_state_variable tsv_s; +DEF_VEC_O(tsv_s); + +static VEC(tsv_s) *tvariables; -/* Number of last tracepoint made. */ -static int tracepoint_count; +/* The next integer to assign to a variable. */ + +static int next_tsv_number = 1; /* Number of last traceframe collected. */ static int traceframe_number; @@ -125,13 +140,13 @@ static struct symtab_and_line traceframe_sal; /* Tracing command lists */ static struct cmd_list_element *tfindlist; +/* List of expressions to collect by default at each tracepoint hit. */ +static char *default_collect = ""; + +static char *target_buf; +static long target_buf_size; + /* ======= Important command functions: ======= */ -static void trace_command (char *, int); -static void tracepoints_info (char *, int); -static void delete_trace_command (char *, int); -static void enable_trace_command (char *, int); -static void disable_trace_command (char *, int); -static void trace_pass_command (char *, int); static void trace_actions_command (char *, int); static void trace_start_command (char *, int); static void trace_stop_command (char *, int); @@ -146,14 +161,13 @@ static void tracepoint_save_command (char *, int); static void trace_dump_command (char *, int); /* support routines */ -static void trace_mention (struct tracepoint *); struct collection_list; static void add_aexpr (struct collection_list *, struct agent_expr *); -static unsigned char *mem2hex (unsigned char *, unsigned char *, int); +static char *mem2hex (gdb_byte *, char *, int); static void add_register (struct collection_list *collection, unsigned int regno); -static struct cleanup *make_cleanup_free_actions (struct tracepoint *t); +static struct cleanup *make_cleanup_free_actions (struct breakpoint *t); static void free_actions_list (char **actions_list); static void free_actions_list_cleanup_wrapper (void *); @@ -164,7 +178,8 @@ static int target_is_remote (void) { if (current_target.to_shortname && - strcmp (current_target.to_shortname, "remote") == 0) + (strcmp (current_target.to_shortname, "remote") == 0 + || strcmp (current_target.to_shortname, "extended-remote") == 0)) return 1; else return 0; @@ -180,28 +195,30 @@ trace_error (char *buf) { case '1': /* malformed packet error */ if (*++buf == '0') /* general case: */ - error ("tracepoint.c: error in outgoing packet."); + error (_("tracepoint.c: error in outgoing packet.")); else - error ("tracepoint.c: error in outgoing packet at field #%ld.", + error (_("tracepoint.c: error in outgoing packet at field #%ld."), strtol (buf, NULL, 16)); case '2': - error ("trace API error 0x%s.", ++buf); + error (_("trace API error 0x%s."), ++buf); default: - error ("Target returns error code '%s'.", buf); + error (_("Target returns error code '%s'."), buf); } } /* Utility: wait for reply from stub, while accepting "O" packets. */ static char * -remote_get_noisy_reply (char *buf, - long sizeof_buf) +remote_get_noisy_reply (char **buf_p, + long *sizeof_buf) { do /* Loop on reply from remote stub. */ { + char *buf; QUIT; /* allow user to bail out with ^C */ - getpkt (buf, sizeof_buf, 0); + getpkt (buf_p, sizeof_buf, 0); + buf = *buf_p; if (buf[0] == 0) - error ("Target does not support this command."); + error (_("Target does not support this command.")); else if (buf[0] == 'E') trace_error (buf); else if (buf[0] == 'O' && @@ -213,22 +230,12 @@ remote_get_noisy_reply (char *buf, while (1); } -/* Set tracepoint count to NUM. */ -static void -set_tracepoint_count (int num) -{ - tracepoint_count = num; - set_internalvar (lookup_internalvar ("tpnum"), - value_from_longest (builtin_type_int, (LONGEST) num)); -} - /* Set traceframe number to NUM. */ static void set_traceframe_num (int num) { traceframe_number = num; - set_internalvar (lookup_internalvar ("trace_frame"), - value_from_longest (builtin_type_int, (LONGEST) num)); + set_internalvar_integer (lookup_internalvar ("trace_frame"), num); } /* Set tracepoint number to NUM. */ @@ -236,524 +243,260 @@ static void set_tracepoint_num (int num) { tracepoint_number = num; - set_internalvar (lookup_internalvar ("tracepoint"), - value_from_longest (builtin_type_int, - (LONGEST) num)); + set_internalvar_integer (lookup_internalvar ("tracepoint"), num); } /* Set externally visible debug variables for querying/printing the traceframe context (line, function, file) */ static void -set_traceframe_context (CORE_ADDR trace_pc) +set_traceframe_context (struct frame_info *trace_frame) { - static struct type *func_string, *file_string; - static struct type *func_range, *file_range; - struct value *func_val; - struct value *file_val; - static struct type *charstar; - int len; - - if (charstar == (struct type *) NULL) - charstar = lookup_pointer_type (builtin_type_char); + CORE_ADDR trace_pc; - if (trace_pc == -1) /* Cease debugging any trace buffers. */ + if (trace_frame == NULL) /* Cease debugging any trace buffers. */ { traceframe_fun = 0; traceframe_sal.pc = traceframe_sal.line = 0; traceframe_sal.symtab = NULL; - set_internalvar (lookup_internalvar ("trace_func"), - value_from_pointer (charstar, (LONGEST) 0)); - set_internalvar (lookup_internalvar ("trace_file"), - value_from_pointer (charstar, (LONGEST) 0)); - set_internalvar (lookup_internalvar ("trace_line"), - value_from_longest (builtin_type_int, - (LONGEST) - 1)); + clear_internalvar (lookup_internalvar ("trace_func")); + clear_internalvar (lookup_internalvar ("trace_file")); + set_internalvar_integer (lookup_internalvar ("trace_line"), -1); return; } /* Save as globals for internal use. */ + trace_pc = get_frame_pc (trace_frame); traceframe_sal = find_pc_line (trace_pc, 0); traceframe_fun = find_pc_function (trace_pc); /* Save linenumber as "$trace_line", a debugger variable visible to users. */ - set_internalvar (lookup_internalvar ("trace_line"), - value_from_longest (builtin_type_int, - (LONGEST) traceframe_sal.line)); + set_internalvar_integer (lookup_internalvar ("trace_line"), + traceframe_sal.line); /* Save func name as "$trace_func", a debugger variable visible to users. */ - if (traceframe_fun == NULL || - DEPRECATED_SYMBOL_NAME (traceframe_fun) == NULL) - set_internalvar (lookup_internalvar ("trace_func"), - value_from_pointer (charstar, (LONGEST) 0)); + if (traceframe_fun == NULL + || SYMBOL_LINKAGE_NAME (traceframe_fun) == NULL) + clear_internalvar (lookup_internalvar ("trace_func")); else - { - len = strlen (DEPRECATED_SYMBOL_NAME (traceframe_fun)); - func_range = create_range_type (func_range, - builtin_type_int, 0, len - 1); - func_string = create_array_type (func_string, - builtin_type_char, func_range); - func_val = allocate_value (func_string); - deprecated_set_value_type (func_val, func_string); - memcpy (value_contents_raw (func_val), - DEPRECATED_SYMBOL_NAME (traceframe_fun), - len); - deprecated_set_value_modifiable (func_val, 0); - set_internalvar (lookup_internalvar ("trace_func"), func_val); - } + set_internalvar_string (lookup_internalvar ("trace_func"), + SYMBOL_LINKAGE_NAME (traceframe_fun)); /* Save file name as "$trace_file", a debugger variable visible to users. */ - if (traceframe_sal.symtab == NULL || - traceframe_sal.symtab->filename == NULL) - set_internalvar (lookup_internalvar ("trace_file"), - value_from_pointer (charstar, (LONGEST) 0)); + if (traceframe_sal.symtab == NULL + || traceframe_sal.symtab->filename == NULL) + clear_internalvar (lookup_internalvar ("trace_file")); else - { - len = strlen (traceframe_sal.symtab->filename); - file_range = create_range_type (file_range, - builtin_type_int, 0, len - 1); - file_string = create_array_type (file_string, - builtin_type_char, file_range); - file_val = allocate_value (file_string); - deprecated_set_value_type (file_val, file_string); - memcpy (value_contents_raw (file_val), - traceframe_sal.symtab->filename, - len); - deprecated_set_value_modifiable (file_val, 0); - set_internalvar (lookup_internalvar ("trace_file"), file_val); - } + set_internalvar_string (lookup_internalvar ("trace_file"), + traceframe_sal.symtab->filename); } -/* Low level routine to set a tracepoint. - Returns the tracepoint object so caller can set other things. - Does not set the tracepoint number! - Does not print anything. +/* Create a new trace state variable with the given name. */ - ==> This routine should not be called if there is a chance of later - error(); otherwise it leaves a bogus tracepoint on the chain. - Validate your arguments BEFORE calling this routine! */ - -static struct tracepoint * -set_raw_tracepoint (struct symtab_and_line sal) +struct trace_state_variable * +create_trace_state_variable (const char *name) { - struct tracepoint *t, *tc; - struct cleanup *old_chain; + struct trace_state_variable tsv; - t = (struct tracepoint *) xmalloc (sizeof (struct tracepoint)); - old_chain = make_cleanup (xfree, t); - memset (t, 0, sizeof (*t)); - t->address = sal.pc; - if (sal.symtab == NULL) - t->source_file = NULL; - else - t->source_file = savestring (sal.symtab->filename, - strlen (sal.symtab->filename)); - - t->section = sal.section; - t->language = current_language->la_language; - t->input_radix = input_radix; - t->line_number = sal.line; - t->enabled_p = 1; - t->next = 0; - t->step_count = 0; - t->pass_count = 0; - t->addr_string = NULL; - - /* Add this tracepoint to the end of the chain - so that a list of tracepoints will come out in order - of increasing numbers. */ - - tc = tracepoint_chain; - if (tc == 0) - tracepoint_chain = t; - else - { - while (tc->next) - tc = tc->next; - tc->next = t; - } - discard_cleanups (old_chain); - return t; + memset (&tsv, 0, sizeof (tsv)); + tsv.name = name; + tsv.number = next_tsv_number++; + return VEC_safe_push (tsv_s, tvariables, &tsv); } -/* Set a tracepoint according to ARG (function, linenum or *address). */ -static void -trace_command (char *arg, int from_tty) -{ - char **canonical = (char **) NULL; - struct symtabs_and_lines sals; - struct symtab_and_line sal; - struct tracepoint *t; - char *addr_start = 0, *addr_end = 0; - int i; - - if (!arg || !*arg) - error ("trace command requires an argument"); - - if (from_tty && info_verbose) - printf_filtered ("TRACE %s\n", arg); - - addr_start = arg; - sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, - 0, &canonical, NULL); - addr_end = arg; - if (!sals.nelts) - return; /* ??? Presumably decode_line_1 has already warned? */ +/* Look for a trace state variable of the given name. */ - /* Resolve all line numbers to PC's */ - for (i = 0; i < sals.nelts; i++) - resolve_sal_pc (&sals.sals[i]); - - /* Now set all the tracepoints. */ - for (i = 0; i < sals.nelts; i++) - { - sal = sals.sals[i]; - - t = set_raw_tracepoint (sal); - set_tracepoint_count (tracepoint_count + 1); - t->number = tracepoint_count; - - /* If a canonical line spec is needed use that instead of the - command string. */ - if (canonical != (char **) NULL && canonical[i] != NULL) - t->addr_string = canonical[i]; - else if (addr_start) - t->addr_string = savestring (addr_start, addr_end - addr_start); +struct trace_state_variable * +find_trace_state_variable (const char *name) +{ + struct trace_state_variable *tsv; + int ix; - trace_mention (t); - } + for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) + if (strcmp (name, tsv->name) == 0) + return tsv; - if (sals.nelts > 1) - { - printf_filtered ("Multiple tracepoints were set.\n"); - printf_filtered ("Use 'delete trace' to delete unwanted tracepoints.\n"); - } + return NULL; } -/* Tell the user we have just set a tracepoint TP. */ - -static void -trace_mention (struct tracepoint *tp) +void +delete_trace_state_variable (const char *name) { - printf_filtered ("Tracepoint %d", tp->number); + struct trace_state_variable *tsv; + int ix; - if (addressprint || (tp->source_file == NULL)) - { - printf_filtered (" at "); - print_address_numeric (tp->address, 1, gdb_stdout); - } - if (tp->source_file) - printf_filtered (": file %s, line %d.", - tp->source_file, tp->line_number); + for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) + if (strcmp (name, tsv->name) == 0) + { + VEC_unordered_remove (tsv_s, tvariables, ix); + return; + } - printf_filtered ("\n"); + warning (_("No trace variable named \"$%s\", not deleting"), name); } -/* Print information on tracepoint number TPNUM_EXP, or all if - omitted. */ +/* The 'tvariable' command collects a name and optional expression to + evaluate into an initial value. */ -static void -tracepoints_info (char *tpnum_exp, int from_tty) +void +trace_variable_command (char *args, int from_tty) { - struct tracepoint *t; - struct action_line *action; - int found_a_tracepoint = 0; - char wrap_indent[80]; - struct symbol *sym; - int tpnum = -1; - - if (tpnum_exp) - tpnum = parse_and_eval_long (tpnum_exp); - - ALL_TRACEPOINTS (t) - if (tpnum == -1 || tpnum == t->number) - { - extern int addressprint; /* Print machine addresses? */ - - if (!found_a_tracepoint++) - { - printf_filtered ("Num Enb "); - if (addressprint) - { - if (TARGET_ADDR_BIT <= 32) - printf_filtered ("Address "); - else - printf_filtered ("Address "); - } - printf_filtered ("PassC StepC What\n"); - } - strcpy (wrap_indent, " "); - if (addressprint) - { - if (TARGET_ADDR_BIT <= 32) - strcat (wrap_indent, " "); - else - strcat (wrap_indent, " "); - } + struct expression *expr; + struct cleanup *old_chain; + struct internalvar *intvar = NULL; + LONGEST initval = 0; + struct trace_state_variable *tsv; - printf_filtered ("%-3d %-3s ", t->number, - t->enabled_p ? "y" : "n"); - if (addressprint) - { - char *tmp; + if (!args || !*args) + error_no_arg (_("trace state variable name")); - if (TARGET_ADDR_BIT <= 32) - tmp = hex_string_custom (t->address & (CORE_ADDR) 0xffffffff, - 8); - else - tmp = hex_string_custom (t->address, 16); + /* All the possible valid arguments are expressions. */ + expr = parse_expression (args); + old_chain = make_cleanup (free_current_contents, &expr); - printf_filtered ("%s ", tmp); - } - printf_filtered ("%-5d %-5ld ", t->pass_count, t->step_count); + if (expr->nelts == 0) + error (_("No expression?")); - if (t->source_file) - { - sym = find_pc_sect_function (t->address, t->section); - if (sym) - { - fputs_filtered ("in ", gdb_stdout); - fputs_filtered (SYMBOL_PRINT_NAME (sym), gdb_stdout); - wrap_here (wrap_indent); - fputs_filtered (" at ", gdb_stdout); - } - fputs_filtered (t->source_file, gdb_stdout); - printf_filtered (":%d", t->line_number); - } - else - print_address_symbolic (t->address, gdb_stdout, demangle, " "); - - printf_filtered ("\n"); - if (t->actions) - { - printf_filtered (" Actions for tracepoint %d: \n", t->number); - for (action = t->actions; action; action = action->next) - { - printf_filtered ("\t%s\n", action->action); - } - } + /* Only allow two syntaxes; "$name" and "$name=value". */ + if (expr->elts[0].opcode == OP_INTERNALVAR) + { + intvar = expr->elts[1].internalvar; } - if (!found_a_tracepoint) + else if (expr->elts[0].opcode == BINOP_ASSIGN + && expr->elts[1].opcode == OP_INTERNALVAR) { - if (tpnum == -1) - printf_filtered ("No tracepoints.\n"); - else - printf_filtered ("No tracepoint number %d.\n", tpnum); + intvar = expr->elts[2].internalvar; + initval = value_as_long (evaluate_subexpression_type (expr, 4)); } -} - -/* Optimization: the code to parse an enable, disable, or delete TP - command is virtually identical except for whether it performs an - enable, disable, or delete. Therefore I've combined them into one - function with an opcode. */ -enum tracepoint_opcode -{ - enable_op, - disable_op, - delete_op -}; + else + error (_("Syntax must be $NAME [ = EXPR ]")); -/* This function implements enable, disable and delete commands. */ -static void -tracepoint_operation (struct tracepoint *t, int from_tty, - enum tracepoint_opcode opcode) -{ - struct tracepoint *t2; + if (!intvar) + error (_("No name given")); - if (t == NULL) /* no tracepoint operand */ - return; + if (strlen (internalvar_name (intvar)) <= 0) + error (_("Must supply a non-empty variable name")); - switch (opcode) + /* If the variable already exists, just change its initial value. */ + tsv = find_trace_state_variable (internalvar_name (intvar)); + if (tsv) { - case enable_op: - t->enabled_p = 1; - tracepoint_modify_event (t->number); - break; - case disable_op: - t->enabled_p = 0; - tracepoint_modify_event (t->number); - break; - case delete_op: - if (tracepoint_chain == t) - tracepoint_chain = t->next; + tsv->initial_value = initval; + printf_filtered (_("Trace state variable $%s now has initial value %s.\n"), + tsv->name, plongest (tsv->initial_value)); + return; + } - ALL_TRACEPOINTS (t2) - if (t2->next == t) - { - tracepoint_delete_event (t2->number); - t2->next = t->next; - break; - } + /* Create a new variable. */ + tsv = create_trace_state_variable (internalvar_name (intvar)); + tsv->initial_value = initval; - if (t->addr_string) - xfree (t->addr_string); - if (t->source_file) - xfree (t->source_file); - if (t->actions) - free_actions (t); + printf_filtered (_("Trace state variable $%s created, with initial value %s.\n"), + tsv->name, plongest (tsv->initial_value)); - xfree (t); - break; - } + do_cleanups (old_chain); } -/* Utility: parse a tracepoint number and look it up in the list. - If MULTI_P is true, there might be a range of tracepoints in ARG. - if OPTIONAL_P is true, then if the argument is missing, the most - recent tracepoint (tracepoint_count) is returned. */ -struct tracepoint * -get_tracepoint_by_number (char **arg, int multi_p, int optional_p) +void +delete_trace_variable_command (char *args, int from_tty) { - struct tracepoint *t; - int tpnum; - char *instring = arg == NULL ? NULL : *arg; + int i, ix; + char **argv; + struct cleanup *back_to; + struct trace_state_variable *tsv; - if (arg == NULL || *arg == NULL || ! **arg) + if (args == NULL) { - if (optional_p) - tpnum = tracepoint_count; - else - error_no_arg ("tracepoint number"); + if (query (_("Delete all trace state variables? "))) + VEC_free (tsv_s, tvariables); + dont_repeat (); + return; } - else - tpnum = multi_p ? get_number_or_range (arg) : get_number (arg); - if (tpnum <= 0) - { - if (instring && *instring) - printf_filtered ("bad tracepoint number at or near '%s'\n", - instring); - else - printf_filtered ("Tracepoint argument missing and no previous tracepoint\n"); - return NULL; - } + argv = gdb_buildargv (args); + back_to = make_cleanup_freeargv (argv); - ALL_TRACEPOINTS (t) - if (t->number == tpnum) + for (i = 0; argv[i] != NULL; i++) { - return t; + if (*argv[i] == '$') + delete_trace_state_variable (argv[i] + 1); + else + warning (_("Name \"%s\" not prefixed with '$', ignoring"), argv[i]); } - /* FIXME: if we are in the middle of a range we don't want to give - a message. The current interface to get_number_or_range doesn't - allow us to discover this. */ - printf_unfiltered ("No tracepoint number %d.\n", tpnum); - return NULL; -} - -/* Utility: - parse a list of tracepoint numbers, and call a func for each. */ -static void -map_args_over_tracepoints (char *args, int from_tty, - enum tracepoint_opcode opcode) -{ - struct tracepoint *t, *tmp; - - if (args == 0 || *args == 0) /* do them all */ - ALL_TRACEPOINTS_SAFE (t, tmp) - tracepoint_operation (t, from_tty, opcode); - else - while (*args) - { - QUIT; /* Give user option to bail out with ^C. */ - t = get_tracepoint_by_number (&args, 1, 0); - tracepoint_operation (t, from_tty, opcode); - while (*args == ' ' || *args == '\t') - args++; - } -} + do_cleanups (back_to); -/* The 'enable trace' command enables tracepoints. - Not supported by all targets. */ -static void -enable_trace_command (char *args, int from_tty) -{ dont_repeat (); - map_args_over_tracepoints (args, from_tty, enable_op); } -/* The 'disable trace' command disables tracepoints. - Not supported by all targets. */ -static void -disable_trace_command (char *args, int from_tty) -{ - dont_repeat (); - map_args_over_tracepoints (args, from_tty, disable_op); -} - -/* Remove a tracepoint (or all if no argument) */ -static void -delete_trace_command (char *args, int from_tty) -{ - dont_repeat (); - if (!args || !*args) /* No args implies all tracepoints; */ - if (from_tty) /* confirm only if from_tty... */ - if (tracepoint_chain) /* and if there are tracepoints to - delete! */ - if (!query ("Delete all tracepoints? ")) - return; - - map_args_over_tracepoints (args, from_tty, delete_op); -} - -/* Set passcount for tracepoint. - - First command argument is passcount, second is tracepoint number. - If tracepoint number omitted, apply to most recently defined. - Also accepts special argument "all". */ +/* List all the trace state variables. */ static void -trace_pass_command (char *args, int from_tty) +tvariables_info (char *args, int from_tty) { - struct tracepoint *t1 = (struct tracepoint *) -1, *t2; - unsigned int count; - int all = 0; - - if (args == 0 || *args == 0) - error ("passcount command requires an argument (count + optional TP num)"); + struct trace_state_variable *tsv; + int ix; + char *reply; + ULONGEST tval; - count = strtoul (args, &args, 10); /* Count comes first, then TP num. */ + if (target_is_remote ()) + { + char buf[20]; - while (*args && isspace ((int) *args)) - args++; + for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) + { + /* We don't know anything about the value until we get a + valid packet. */ + tsv->value_known = 0; + sprintf (buf, "qTV:%x", tsv->number); + putpkt (buf); + reply = remote_get_noisy_reply (&target_buf, &target_buf_size); + if (reply && *reply) + { + if (*reply == 'V') + { + unpack_varlen_hex (reply + 1, &tval); + tsv->value = (LONGEST) tval; + tsv->value_known = 1; + } + /* FIXME say anything about oddball replies? */ + } + } + } - if (*args && strncasecmp (args, "all", 3) == 0) + if (VEC_length (tsv_s, tvariables) == 0) { - args += 3; /* Skip special argument "all". */ - all = 1; - if (*args) - error ("Junk at end of arguments."); + printf_filtered (_("No trace state variables.\n")); + return; } - else - t1 = get_tracepoint_by_number (&args, 1, 1); - do + printf_filtered (_("Name\t\t Initial\tCurrent\n")); + + for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) { - if (t1) - { - ALL_TRACEPOINTS (t2) - if (t1 == (struct tracepoint *) -1 || t1 == t2) - { - t2->pass_count = count; - tracepoint_modify_event (t2->number); - if (from_tty) - printf_filtered ("Setting tracepoint %d's passcount to %d\n", - t2->number, count); - } - if (! all && *args) - t1 = get_tracepoint_by_number (&args, 1, 0); - } + printf_filtered ("$%s", tsv->name); + print_spaces_filtered (17 - strlen (tsv->name), gdb_stdout); + printf_filtered ("%s ", plongest (tsv->initial_value)); + print_spaces_filtered (11 - strlen (plongest (tsv->initial_value)), gdb_stdout); + if (tsv->value_known) + printf_filtered (" %s", plongest (tsv->value)); + else if (trace_running_p || traceframe_number >= 0) + /* The value is/was defined, but we don't have it. */ + printf_filtered (_(" ")); + else + /* It is not meaningful to ask about the value. */ + printf_filtered (_(" ")); + printf_filtered ("\n"); } - while (*args); } /* ACTIONS functions: */ /* Prototypes for action-parsing utility commands */ -static void read_actions (struct tracepoint *); +static void read_actions (struct breakpoint *); /* The three functions: collect_pseudocommand, @@ -764,29 +507,35 @@ static void read_actions (struct tracepoint *); it means that somebody issued the "command" at the top level, which is always an error. */ -static void +void end_actions_pseudocommand (char *args, int from_tty) { - error ("This command cannot be used at the top level."); + error (_("This command cannot be used at the top level.")); } -static void +void while_stepping_pseudocommand (char *args, int from_tty) { - error ("This command can only be used in a tracepoint actions list."); + error (_("This command can only be used in a tracepoint actions list.")); } static void collect_pseudocommand (char *args, int from_tty) { - error ("This command can only be used in a tracepoint actions list."); + error (_("This command can only be used in a tracepoint actions list.")); +} + +static void +teval_pseudocommand (char *args, int from_tty) +{ + error (_("This command can only be used in a tracepoint actions list.")); } /* Enter a list of actions for a tracepoint. */ static void trace_actions_command (char *args, int from_tty) { - struct tracepoint *t; + struct breakpoint *t; char tmpbuf[128]; char *end_msg = "End with a line saying just \"end\"."; @@ -817,7 +566,7 @@ trace_actions_command (char *args, int from_tty) /* worker function */ static void -read_actions (struct tracepoint *t) +read_actions (struct breakpoint *t) { char *line; char *prompt1 = "> ", *prompt2 = " > "; @@ -860,6 +609,12 @@ read_actions (struct tracepoint *t) else line = gdb_readline (0); + if (!line) + { + line = xstrdup ("end"); + printf_filtered ("end\n"); + } + linetype = validate_actionline (&line, t); if (linetype == BADLINE) continue; /* already warned -- collect another line */ @@ -880,7 +635,7 @@ read_actions (struct tracepoint *t) { if (prompt == prompt2) { - warning ("Already processing 'while-stepping'"); + warning (_("Already processing 'while-stepping'")); continue; } else @@ -915,7 +670,7 @@ read_actions (struct tracepoint *t) /* worker function */ enum actionline_type -validate_actionline (char **line, struct tracepoint *t) +validate_actionline (char **line, struct breakpoint *t) { struct cmd_list_element *c; struct expression *exp = NULL; @@ -939,7 +694,7 @@ validate_actionline (char **line, struct tracepoint *t) c = lookup_cmd (&p, cmdlist, "", -1, 1); if (c == 0) { - warning ("'%s' is not an action that I know, or is ambiguous.", + warning (_("'%s' is not an action that I know, or is ambiguous."), p); return BADLINE; } @@ -966,22 +721,22 @@ validate_actionline (char **line, struct tracepoint *t) } /* else fall thru, treat p as an expression and parse it! */ } - exp = parse_exp_1 (&p, block_for_pc (t->address), 1); + exp = parse_exp_1 (&p, block_for_pc (t->loc->address), 1); old_chain = make_cleanup (free_current_contents, &exp); if (exp->elts[0].opcode == OP_VAR_VALUE) { if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_CONST) { - warning ("constant %s (value %ld) will not be collected.", - DEPRECATED_SYMBOL_NAME (exp->elts[2].symbol), + warning (_("constant %s (value %ld) will not be collected."), + SYMBOL_PRINT_NAME (exp->elts[2].symbol), SYMBOL_VALUE (exp->elts[2].symbol)); return BADLINE; } else if (SYMBOL_CLASS (exp->elts[2].symbol) == LOC_OPTIMIZED_OUT) { - warning ("%s is optimized away and cannot be collected.", - DEPRECATED_SYMBOL_NAME (exp->elts[2].symbol)); + warning (_("%s is optimized away and cannot be collected."), + SYMBOL_PRINT_NAME (exp->elts[2].symbol)); return BADLINE; } } @@ -989,23 +744,51 @@ validate_actionline (char **line, struct tracepoint *t) /* We have something to collect, make sure that the expr to bytecode translator can handle it and that it's not too long. */ - aexpr = gen_trace_for_expr (t->address, exp); + aexpr = gen_trace_for_expr (t->loc->address, exp); make_cleanup_free_agent_expr (aexpr); if (aexpr->len > MAX_AGENT_EXPR_LEN) - error ("expression too complicated, try simplifying"); + error (_("expression too complicated, try simplifying")); ax_reqs (aexpr, &areqs); (void) make_cleanup (xfree, areqs.reg_mask); if (areqs.flaw != agent_flaw_none) - error ("malformed expression"); + error (_("malformed expression")); if (areqs.min_height < 0) - error ("gdb: Internal error: expression has min height < 0"); + error (_("gdb: Internal error: expression has min height < 0")); if (areqs.max_height > 20) - error ("expression too complicated, try simplifying"); + error (_("expression too complicated, try simplifying")); + + do_cleanups (old_chain); + } + while (p && *p++ == ','); + return GENERIC; + } + else if (cmd_cfunc_eq (c, teval_pseudocommand)) + { + struct agent_expr *aexpr; + + do + { /* repeat over a comma-separated list */ + QUIT; /* allow user to bail out with ^C */ + while (isspace ((int) *p)) + p++; + + /* Only expressions are allowed for this action. */ + exp = parse_exp_1 (&p, block_for_pc (t->loc->address), 1); + old_chain = make_cleanup (free_current_contents, &exp); + + /* We have something to evaluate, make sure that the expr to + bytecode translator can handle it and that it's not too + long. */ + aexpr = gen_eval_for_expr (t->loc->address, exp); + make_cleanup_free_agent_expr (aexpr); + + if (aexpr->len > MAX_AGENT_EXPR_LEN) + error (_("expression too complicated, try simplifying")); do_cleanups (old_chain); } @@ -1023,7 +806,7 @@ validate_actionline (char **line, struct tracepoint *t) if (*p == '\0' || (t->step_count = strtol (p, &p, 0)) == 0) { - warning ("'%s': bad step-count; command ignored.", *line); + warning (_("'%s': bad step-count; command ignored."), *line); return BADLINE; } return STEPPING; @@ -1032,14 +815,14 @@ validate_actionline (char **line, struct tracepoint *t) return END; else { - warning ("'%s' is not a supported tracepoint action.", *line); + warning (_("'%s' is not a supported tracepoint action."), *line); return BADLINE; } } /* worker function */ void -free_actions (struct tracepoint *t) +free_actions (struct breakpoint *t) { struct action_line *line, *next; @@ -1060,21 +843,26 @@ do_free_actions_cleanup (void *t) } static struct cleanup * -make_cleanup_free_actions (struct tracepoint *t) +make_cleanup_free_actions (struct breakpoint *t) { return make_cleanup (do_free_actions_cleanup, t); } +enum { + memrange_absolute = -1 +}; + struct memrange { - int type; /* 0 for absolute memory range, else basereg number */ + int type; /* memrange_absolute for absolute memory range, + else basereg number */ bfd_signed_vma start; bfd_signed_vma end; }; struct collection_list { - unsigned char regs_mask[8]; /* room for up to 256 regs */ + unsigned char regs_mask[32]; /* room for up to 256 regs */ long listsize; long next_memrange; struct memrange *list; @@ -1099,7 +887,7 @@ memrange_cmp (const void *va, const void *vb) return -1; if (a->type > b->type) return 1; - if (a->type == 0) + if (a->type == memrange_absolute) { if ((bfd_vma) a->start < (bfd_vma) b->start) return -1; @@ -1152,8 +940,8 @@ add_register (struct collection_list *collection, unsigned int regno) { if (info_verbose) printf_filtered ("collect register %d\n", regno); - if (regno > (8 * sizeof (collection->regs_mask))) - error ("Internal: register number %d too large for tracepoint", + if (regno >= (8 * sizeof (collection->regs_mask))) + error (_("Internal: register number %d too large for tracepoint"), regno); collection->regs_mask[regno / 8] |= 1 << (regno % 8); } @@ -1171,7 +959,7 @@ add_memrange (struct collection_list *memranges, printf_filtered (",%ld)\n", len); } - /* type: 0 == memory, n == basereg */ + /* type: memrange_absolute == memory, other n == basereg */ memranges->list[memranges->next_memrange].type = type; /* base: addr if memory, offset if reg relative. */ memranges->list[memranges->next_memrange].start = base; @@ -1185,7 +973,7 @@ add_memrange (struct collection_list *memranges, memranges->listsize); } - if (type != -1) /* Better collect the base register! */ + if (type != memrange_absolute) /* Better collect the base register! */ add_register (memranges, type); } @@ -1193,7 +981,9 @@ add_memrange (struct collection_list *memranges, static void collect_symbol (struct collection_list *collect, struct symbol *sym, - long frame_regno, long frame_offset) + struct gdbarch *gdbarch, + long frame_regno, long frame_offset, + CORE_ADDR scope) { unsigned long len; unsigned int reg; @@ -1204,12 +994,12 @@ collect_symbol (struct collection_list *collect, { default: printf_filtered ("%s: don't know symbol class %d\n", - DEPRECATED_SYMBOL_NAME (sym), + SYMBOL_PRINT_NAME (sym), SYMBOL_CLASS (sym)); break; case LOC_CONST: printf_filtered ("constant %s (value %ld) will not be collected.\n", - DEPRECATED_SYMBOL_NAME (sym), SYMBOL_VALUE (sym)); + SYMBOL_PRINT_NAME (sym), SYMBOL_VALUE (sym)); break; case LOC_STATIC: offset = SYMBOL_VALUE_ADDRESS (sym); @@ -1219,28 +1009,27 @@ collect_symbol (struct collection_list *collect, sprintf_vma (tmp, offset); printf_filtered ("LOC_STATIC %s: collect %ld bytes at %s.\n", - DEPRECATED_SYMBOL_NAME (sym), len, + SYMBOL_PRINT_NAME (sym), len, tmp /* address */); } - add_memrange (collect, -1, offset, len); /* 0 == memory */ + add_memrange (collect, memrange_absolute, offset, len); break; case LOC_REGISTER: - case LOC_REGPARM: - reg = SYMBOL_VALUE (sym); + reg = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); if (info_verbose) printf_filtered ("LOC_REG[parm] %s: ", - DEPRECATED_SYMBOL_NAME (sym)); + SYMBOL_PRINT_NAME (sym)); add_register (collect, reg); /* Check for doubles stored in two registers. */ /* FIXME: how about larger types stored in 3 or more regs? */ if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_FLT && - len > register_size (current_gdbarch, reg)) + len > register_size (gdbarch, reg)) add_register (collect, reg + 1); break; case LOC_REF_ARG: printf_filtered ("Sorry, don't know how to do LOC_REF_ARG yet.\n"); printf_filtered (" (will not collect %s)\n", - DEPRECATED_SYMBOL_NAME (sym)); + SYMBOL_PRINT_NAME (sym)); break; case LOC_ARG: reg = frame_regno; @@ -1248,7 +1037,7 @@ collect_symbol (struct collection_list *collect, if (info_verbose) { printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", - DEPRECATED_SYMBOL_NAME (sym), len); + SYMBOL_PRINT_NAME (sym), len); printf_vma (offset); printf_filtered (" from frame ptr reg %d\n", reg); } @@ -1260,52 +1049,83 @@ collect_symbol (struct collection_list *collect, if (info_verbose) { printf_filtered ("LOC_REGPARM_ADDR %s: Collect %ld bytes at offset ", - DEPRECATED_SYMBOL_NAME (sym), len); + SYMBOL_PRINT_NAME (sym), len); printf_vma (offset); printf_filtered (" from reg %d\n", reg); } add_memrange (collect, reg, offset, len); break; case LOC_LOCAL: - case LOC_LOCAL_ARG: reg = frame_regno; offset = frame_offset + SYMBOL_VALUE (sym); if (info_verbose) { printf_filtered ("LOC_LOCAL %s: Collect %ld bytes at offset ", - DEPRECATED_SYMBOL_NAME (sym), len); + SYMBOL_PRINT_NAME (sym), len); printf_vma (offset); printf_filtered (" from frame ptr reg %d\n", reg); } add_memrange (collect, reg, offset, len); break; - case LOC_BASEREG: - case LOC_BASEREG_ARG: - reg = SYMBOL_BASEREG (sym); - offset = SYMBOL_VALUE (sym); - if (info_verbose) - { - printf_filtered ("LOC_BASEREG %s: collect %ld bytes at offset ", - DEPRECATED_SYMBOL_NAME (sym), len); - printf_vma (offset); - printf_filtered (" from basereg %d\n", reg); - } - add_memrange (collect, reg, offset, len); - break; case LOC_UNRESOLVED: printf_filtered ("Don't know LOC_UNRESOLVED %s\n", - DEPRECATED_SYMBOL_NAME (sym)); + SYMBOL_PRINT_NAME (sym)); break; case LOC_OPTIMIZED_OUT: printf_filtered ("%s has been optimized out of existence.\n", - DEPRECATED_SYMBOL_NAME (sym)); + SYMBOL_PRINT_NAME (sym)); + break; + + case LOC_COMPUTED: + { + struct agent_expr *aexpr; + struct cleanup *old_chain1 = NULL; + struct agent_reqs areqs; + + aexpr = gen_trace_for_var (scope, sym); + + old_chain1 = make_cleanup_free_agent_expr (aexpr); + + ax_reqs (aexpr, &areqs); + if (areqs.flaw != agent_flaw_none) + error (_("malformed expression")); + + if (areqs.min_height < 0) + error (_("gdb: Internal error: expression has min height < 0")); + if (areqs.max_height > 20) + error (_("expression too complicated, try simplifying")); + + discard_cleanups (old_chain1); + add_aexpr (collect, aexpr); + + /* take care of the registers */ + if (areqs.reg_mask_len > 0) + { + int ndx1, ndx2; + + for (ndx1 = 0; ndx1 < areqs.reg_mask_len; ndx1++) + { + QUIT; /* allow user to bail out with ^C */ + if (areqs.reg_mask[ndx1] != 0) + { + /* assume chars have 8 bits */ + for (ndx2 = 0; ndx2 < 8; ndx2++) + if (areqs.reg_mask[ndx1] & (1 << ndx2)) + /* it's used -- record it */ + add_register (collect, + ndx1 * 8 + ndx2); + } + } + } + } break; } } /* Add all locals (or args) symbols to collection list */ static void -add_local_symbols (struct collection_list *collect, CORE_ADDR pc, +add_local_symbols (struct collection_list *collect, + struct gdbarch *gdbarch, CORE_ADDR pc, long frame_regno, long frame_offset, int type) { struct symbol *sym; @@ -1319,34 +1139,13 @@ add_local_symbols (struct collection_list *collect, CORE_ADDR pc, QUIT; /* allow user to bail out with ^C */ ALL_BLOCK_SYMBOLS (block, iter, sym) { - switch (SYMBOL_CLASS (sym)) + if (SYMBOL_IS_ARGUMENT (sym) + ? type == 'A' /* collecting Arguments */ + : type == 'L') /* collecting Locals */ { - default: - warning ("don't know how to trace local symbol %s", - DEPRECATED_SYMBOL_NAME (sym)); - case LOC_LOCAL: - case LOC_STATIC: - case LOC_REGISTER: - case LOC_BASEREG: - if (type == 'L') /* collecting Locals */ - { - count++; - collect_symbol (collect, sym, frame_regno, - frame_offset); - } - break; - case LOC_ARG: - case LOC_LOCAL_ARG: - case LOC_REF_ARG: - case LOC_REGPARM: - case LOC_REGPARM_ADDR: - case LOC_BASEREG_ARG: - if (type == 'A') /* collecting Arguments */ - { - count++; - collect_symbol (collect, sym, frame_regno, - frame_offset); - } + count++; + collect_symbol (collect, sym, gdbarch, + frame_regno, frame_offset, pc); } } if (BLOCK_FUNCTION (block)) @@ -1355,7 +1154,7 @@ add_local_symbols (struct collection_list *collect, CORE_ADDR pc, block = BLOCK_SUPERBLOCK (block); } if (count == 0) - warning ("No %s found in scope.", + warning (_("No %s found in scope."), type == 'L' ? "locals" : "args"); } @@ -1407,7 +1206,7 @@ stringify_collection_list (struct collection_list *list, char *string) sprintf (end, "%02X", list->regs_mask[i]); end += 2; } - (*str_list)[ndx] = savestring (temp_buf, end - temp_buf); + (*str_list)[ndx] = xstrdup (temp_buf); ndx++; } if (info_verbose) @@ -1433,13 +1232,21 @@ stringify_collection_list (struct collection_list *list, char *string) end = temp_buf; } - sprintf (end, "M%X,%s,%lX", - list->list[i].type, - tmp2, - (long) (list->list[i].end - list->list[i].start)); + { + bfd_signed_vma length = list->list[i].end - list->list[i].start; + + /* The "%X" conversion specifier expects an unsigned argument, + so passing -1 (memrange_absolute) to it directly gives you + "FFFFFFFF" (or more, depending on sizeof (unsigned)). + Special-case it. */ + if (list->list[i].type == memrange_absolute) + sprintf (end, "M-1,%s,%lX", tmp2, (long) length); + else + sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length); + } count += strlen (end); - end += count; + end = temp_buf + count; } for (i = 0; i < list->next_aexpr_elt; i++) @@ -1471,7 +1278,10 @@ stringify_collection_list (struct collection_list *list, char *string) (*str_list)[ndx] = NULL; if (ndx == 0) - return NULL; + { + xfree (str_list); + return NULL; + } else return *str_list; } @@ -1498,7 +1308,7 @@ free_actions_list (char **actions_list) /* Render all actions into gdb protocol. */ static void -encode_actions (struct tracepoint *t, char ***tdp_actions, +encode_actions (struct breakpoint *t, char ***tdp_actions, char ***stepping_actions) { static char tdp_buff[2048], step_buff[2048]; @@ -1512,7 +1322,8 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, struct agent_expr *aexpr; int frame_reg; LONGEST frame_offset; - + char *default_collect_line = NULL; + struct action_line *default_collect_action = NULL; clear_collection_list (&tracepoint_list); clear_collection_list (&stepping_list); @@ -1521,9 +1332,35 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, *tdp_actions = NULL; *stepping_actions = NULL; - TARGET_VIRTUAL_FRAME_POINTER (t->address, &frame_reg, &frame_offset); + gdbarch_virtual_frame_pointer (t->gdbarch, + t->loc->address, &frame_reg, &frame_offset); - for (action = t->actions; action; action = action->next) + action = t->actions; + + /* If there are default expressions to collect, make up a collect + action and prepend to the action list to encode. Note that since + validation is per-tracepoint (local var "xyz" might be valid for + one tracepoint and not another, etc), we make up the action on + the fly, and don't cache it. */ + if (*default_collect) + { + char *line; + enum actionline_type linetype; + + default_collect_line = xmalloc (12 + strlen (default_collect)); + sprintf (default_collect_line, "collect %s", default_collect); + line = default_collect_line; + linetype = validate_actionline (&line, t); + if (linetype != BADLINE) + { + default_collect_action = xmalloc (sizeof (struct action_line)); + default_collect_action->next = t->actions; + default_collect_action->action = line; + action = default_collect_action; + } + } + + for (; action; action = action->next) { QUIT; /* allow user to bail out with ^C */ action_exp = action->action; @@ -1535,7 +1372,7 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); if (cmd == 0) - error ("Bad action list item: %s", action_exp); + error (_("Bad action list item: %s"), action_exp); if (cmd_cfunc_eq (cmd, collect_pseudocommand)) { @@ -1547,14 +1384,15 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, if (0 == strncasecmp ("$reg", action_exp, 4)) { - for (i = 0; i < NUM_REGS; i++) + for (i = 0; i < gdbarch_num_regs (t->gdbarch); i++) add_register (collect, i); action_exp = strchr (action_exp, ','); /* more? */ } else if (0 == strncasecmp ("$arg", action_exp, 4)) { add_local_symbols (collect, - t->address, + t->gdbarch, + t->loc->address, frame_reg, frame_offset, 'A'); @@ -1563,7 +1401,8 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, else if (0 == strncasecmp ("$loc", action_exp, 4)) { add_local_symbols (collect, - t->address, + t->gdbarch, + t->loc->address, frame_reg, frame_offset, 'L'); @@ -1577,46 +1416,57 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, struct agent_reqs areqs; exp = parse_exp_1 (&action_exp, - block_for_pc (t->address), 1); + block_for_pc (t->loc->address), 1); old_chain = make_cleanup (free_current_contents, &exp); switch (exp->elts[0].opcode) { case OP_REGISTER: - i = exp->elts[1].longconst; - if (info_verbose) - printf_filtered ("OP_REGISTER: "); - add_register (collect, i); - break; + { + const char *name = &exp->elts[2].string; + + i = user_reg_map_name_to_regnum (t->gdbarch, + name, strlen (name)); + if (i == -1) + internal_error (__FILE__, __LINE__, + _("Register $%s not available"), + name); + if (info_verbose) + printf_filtered ("OP_REGISTER: "); + add_register (collect, i); + break; + } case UNOP_MEMVAL: /* safe because we know it's a simple expression */ tempval = evaluate_expression (exp); - addr = VALUE_ADDRESS (tempval) + value_offset (tempval); + addr = value_address (tempval); len = TYPE_LENGTH (check_typedef (exp->elts[1].type)); - add_memrange (collect, -1, addr, len); + add_memrange (collect, memrange_absolute, addr, len); break; case OP_VAR_VALUE: collect_symbol (collect, exp->elts[2].symbol, + t->gdbarch, frame_reg, - frame_offset); + frame_offset, + t->loc->address); break; default: /* full-fledged expression */ - aexpr = gen_trace_for_expr (t->address, exp); + aexpr = gen_trace_for_expr (t->loc->address, exp); old_chain1 = make_cleanup_free_agent_expr (aexpr); ax_reqs (aexpr, &areqs); if (areqs.flaw != agent_flaw_none) - error ("malformed expression"); + error (_("malformed expression")); if (areqs.min_height < 0) - error ("gdb: Internal error: expression has min height < 0"); + error (_("gdb: Internal error: expression has min height < 0")); if (areqs.max_height > 20) - error ("expression too complicated, try simplifying"); + error (_("expression too complicated, try simplifying")); discard_cleanups (old_chain1); add_aexpr (collect, aexpr); @@ -1648,6 +1498,46 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, } while (action_exp && *action_exp++ == ','); } /* if */ + else if (cmd_cfunc_eq (cmd, teval_pseudocommand)) + { + do + { /* repeat over a comma-separated list */ + QUIT; /* allow user to bail out with ^C */ + while (isspace ((int) *action_exp)) + action_exp++; + + { + unsigned long addr, len; + struct cleanup *old_chain = NULL; + struct cleanup *old_chain1 = NULL; + struct agent_reqs areqs; + + exp = parse_exp_1 (&action_exp, + block_for_pc (t->loc->address), 1); + old_chain = make_cleanup (free_current_contents, &exp); + + aexpr = gen_eval_for_expr (t->loc->address, exp); + old_chain1 = make_cleanup_free_agent_expr (aexpr); + + ax_reqs (aexpr, &areqs); + if (areqs.flaw != agent_flaw_none) + error (_("malformed expression")); + + if (areqs.min_height < 0) + error (_("gdb: Internal error: expression has min height < 0")); + if (areqs.max_height > 20) + error (_("expression too complicated, try simplifying")); + + discard_cleanups (old_chain1); + /* Even though we're not officially collecting, add + to the collect list anyway. */ + add_aexpr (collect, aexpr); + + do_cleanups (old_chain); + } /* do */ + } + while (action_exp && *action_exp++ == ','); + } /* if */ else if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) { collect = &stepping_list; @@ -1667,6 +1557,9 @@ encode_actions (struct tracepoint *t, char ***tdp_actions, tdp_buff); *stepping_actions = stringify_collection_list (&stepping_list, step_buff); + + xfree (default_collect_line); + xfree (default_collect_action); } static void @@ -1683,8 +1576,6 @@ add_aexpr (struct collection_list *collect, struct agent_expr *aexpr) collect->next_aexpr_elt++; } -static char target_buf[2048]; - /* Set "transparent" memory ranges Allow trace mechanism to treat text-like sections @@ -1695,7 +1586,6 @@ static char target_buf[2048]; static void remote_set_transparent_ranges (void) { - extern bfd *exec_bfd; asection *s; bfd_size_type size; bfd_vma lma; @@ -1725,7 +1615,7 @@ remote_set_transparent_ranges (void) if (anysecs) { putpkt (target_buf); - getpkt (target_buf, sizeof (target_buf), 0); + getpkt (&target_buf, &target_buf_size, 0); } } @@ -1736,106 +1626,153 @@ remote_set_transparent_ranges (void) to the target. If no errors, Tell target to start a new trace experiment. */ +void download_tracepoint (struct breakpoint *t); + static void trace_start_command (char *args, int from_tty) { - struct tracepoint *t; char buf[2048]; - char **tdp_actions; - char **stepping_actions; - int ndx; - struct cleanup *old_chain = NULL; + VEC(breakpoint_p) *tp_vec = NULL; + int ix; + struct breakpoint *t; + struct trace_state_variable *tsv; dont_repeat (); /* Like "run", dangerous to repeat accidentally. */ if (target_is_remote ()) { putpkt ("QTinit"); - remote_get_noisy_reply (target_buf, sizeof (target_buf)); + remote_get_noisy_reply (&target_buf, &target_buf_size); if (strcmp (target_buf, "OK")) - error ("Target does not support this command."); + error (_("Target does not support this command.")); - ALL_TRACEPOINTS (t) - { - char tmp[40]; - - sprintf_vma (tmp, t->address); - sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number, - tmp, /* address */ - t->enabled_p ? 'E' : 'D', - t->step_count, t->pass_count); - - if (t->actions) - strcat (buf, "-"); - putpkt (buf); - remote_get_noisy_reply (target_buf, sizeof (target_buf)); - if (strcmp (target_buf, "OK")) - error ("Target does not support tracepoints."); - - if (t->actions) - { - encode_actions (t, &tdp_actions, &stepping_actions); - old_chain = make_cleanup (free_actions_list_cleanup_wrapper, - tdp_actions); - (void) make_cleanup (free_actions_list_cleanup_wrapper, - stepping_actions); - - /* do_single_steps (t); */ - if (tdp_actions) - { - for (ndx = 0; tdp_actions[ndx]; ndx++) - { - QUIT; /* allow user to bail out with ^C */ - sprintf (buf, "QTDP:-%x:%s:%s%c", - t->number, tmp, /* address */ - tdp_actions[ndx], - ((tdp_actions[ndx + 1] || stepping_actions) - ? '-' : 0)); - putpkt (buf); - remote_get_noisy_reply (target_buf, - sizeof (target_buf)); - if (strcmp (target_buf, "OK")) - error ("Error on target while setting tracepoints."); - } - } - if (stepping_actions) - { - for (ndx = 0; stepping_actions[ndx]; ndx++) - { - QUIT; /* allow user to bail out with ^C */ - sprintf (buf, "QTDP:-%x:%s:%s%s%s", - t->number, tmp, /* address */ - ((ndx == 0) ? "S" : ""), - stepping_actions[ndx], - (stepping_actions[ndx + 1] ? "-" : "")); - putpkt (buf); - remote_get_noisy_reply (target_buf, - sizeof (target_buf)); - if (strcmp (target_buf, "OK")) - error ("Error on target while setting tracepoints."); - } - } + tp_vec = all_tracepoints (); + for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, t); ix++) + { + download_tracepoint (t); + } + VEC_free (breakpoint_p, tp_vec); + + /* Init any trace state variables that start with nonzero values. */ + + for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix) + { + if (tsv->initial_value != 0) + { + sprintf (buf, "QTDV:%x:%s", + tsv->number, phex ((ULONGEST) tsv->initial_value, 8)); + putpkt (buf); + remote_get_noisy_reply (&target_buf, &target_buf_size); + } + } - do_cleanups (old_chain); - } - } /* Tell target to treat text-like sections as transparent. */ remote_set_transparent_ranges (); /* Now insert traps and begin collecting data. */ putpkt ("QTStart"); - remote_get_noisy_reply (target_buf, sizeof (target_buf)); + remote_get_noisy_reply (&target_buf, &target_buf_size); if (strcmp (target_buf, "OK")) - error ("Bogus reply from target: %s", target_buf); + error (_("Bogus reply from target: %s"), target_buf); set_traceframe_num (-1); /* All old traceframes invalidated. */ set_tracepoint_num (-1); - set_traceframe_context (-1); + set_traceframe_context (NULL); trace_running_p = 1; if (deprecated_trace_start_stop_hook) deprecated_trace_start_stop_hook (1, from_tty); } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); +} + +/* Send the definition of a single tracepoint to the target. */ + +void +download_tracepoint (struct breakpoint *t) +{ + char tmp[40]; + char buf[2048]; + char **tdp_actions; + char **stepping_actions; + int ndx; + struct cleanup *old_chain = NULL; + struct agent_expr *aexpr; + struct cleanup *aexpr_chain = NULL; + + sprintf_vma (tmp, (t->loc ? t->loc->address : 0)); + sprintf (buf, "QTDP:%x:%s:%c:%lx:%x", t->number, + tmp, /* address */ + (t->enable_state == bp_enabled ? 'E' : 'D'), + t->step_count, t->pass_count); + /* If the tracepoint has a conditional, make it into an agent + expression and append to the definition. */ + if (t->loc->cond) + { + /* Only test support at download time, we may not know target + capabilities at definition time. */ + if (remote_supports_cond_tracepoints ()) + { + aexpr = gen_eval_for_expr (t->loc->address, t->loc->cond); + aexpr_chain = make_cleanup_free_agent_expr (aexpr); + sprintf (buf + strlen (buf), ":X%x,", aexpr->len); + mem2hex (aexpr->buf, buf + strlen (buf), aexpr->len); + do_cleanups (aexpr_chain); + } + else + warning (_("Target does not support conditional tracepoints, ignoring tp %d cond"), t->number); + } + + if (t->actions || *default_collect) + strcat (buf, "-"); + putpkt (buf); + remote_get_noisy_reply (&target_buf, &target_buf_size); + if (strcmp (target_buf, "OK")) + error (_("Target does not support tracepoints.")); + + if (!t->actions && !*default_collect) + return; + + encode_actions (t, &tdp_actions, &stepping_actions); + old_chain = make_cleanup (free_actions_list_cleanup_wrapper, + tdp_actions); + (void) make_cleanup (free_actions_list_cleanup_wrapper, stepping_actions); + + /* do_single_steps (t); */ + if (tdp_actions) + { + for (ndx = 0; tdp_actions[ndx]; ndx++) + { + QUIT; /* allow user to bail out with ^C */ + sprintf (buf, "QTDP:-%x:%s:%s%c", + t->number, tmp, /* address */ + tdp_actions[ndx], + ((tdp_actions[ndx + 1] || stepping_actions) + ? '-' : 0)); + putpkt (buf); + remote_get_noisy_reply (&target_buf, + &target_buf_size); + if (strcmp (target_buf, "OK")) + error (_("Error on target while setting tracepoints.")); + } + } + if (stepping_actions) + { + for (ndx = 0; stepping_actions[ndx]; ndx++) + { + QUIT; /* allow user to bail out with ^C */ + sprintf (buf, "QTDP:-%x:%s:%s%s%s", + t->number, tmp, /* address */ + ((ndx == 0) ? "S" : ""), + stepping_actions[ndx], + (stepping_actions[ndx + 1] ? "-" : "")); + putpkt (buf); + remote_get_noisy_reply (&target_buf, + &target_buf_size); + if (strcmp (target_buf, "OK")) + error (_("Error on target while setting tracepoints.")); + } + } + do_cleanups (old_chain); } /* tstop command */ @@ -1845,15 +1782,15 @@ trace_stop_command (char *args, int from_tty) if (target_is_remote ()) { putpkt ("QTStop"); - remote_get_noisy_reply (target_buf, sizeof (target_buf)); + remote_get_noisy_reply (&target_buf, &target_buf_size); if (strcmp (target_buf, "OK")) - error ("Bogus reply from target: %s", target_buf); + error (_("Bogus reply from target: %s"), target_buf); trace_running_p = 0; if (deprecated_trace_start_stop_hook) deprecated_trace_start_stop_hook (0, from_tty); } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); } unsigned long trace_running_p; @@ -1865,34 +1802,44 @@ trace_status_command (char *args, int from_tty) if (target_is_remote ()) { putpkt ("qTStatus"); - remote_get_noisy_reply (target_buf, sizeof (target_buf)); + remote_get_noisy_reply (&target_buf, &target_buf_size); if (target_buf[0] != 'T' || (target_buf[1] != '0' && target_buf[1] != '1')) - error ("Bogus reply from target: %s", target_buf); + error (_("Bogus reply from target: %s"), target_buf); /* exported for use by the GUI */ trace_running_p = (target_buf[1] == '1'); + + if (trace_running_p) + printf_filtered (_("Trace is running on the target.\n")); + else + printf_filtered (_("Trace is not running on the target.\n")); + + if (traceframe_number >= 0) + printf_filtered (_("Looking at trace frame %d, tracepoint %d.\n"), + traceframe_number, tracepoint_number); + else + printf_filtered (_("Not looking at any trace frame.\n")); + } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); } /* Worker function for the various flavors of the tfind command. */ static void -finish_tfind_command (char *msg, - long sizeof_msg, +finish_tfind_command (char **msg, + long *sizeof_msg, int from_tty) { int target_frameno = -1, target_tracept = -1; - CORE_ADDR old_frame_addr; - struct symbol *old_func; + struct frame_id old_frame_id; char *reply; - old_frame_addr = get_frame_base (get_current_frame ()); - old_func = find_pc_function (read_pc ()); + old_frame_id = get_frame_id (get_current_frame ()); - putpkt (msg); + putpkt (*msg); reply = remote_get_noisy_reply (msg, sizeof_msg); while (reply && *reply) @@ -1923,7 +1870,7 @@ finish_tfind_command (char *msg, and then continue on to do something else. */ if (from_tty) - error ("Target failed to find requested trace frame."); + error (_("Target failed to find requested trace frame.")); else { if (info_verbose) @@ -1938,27 +1885,26 @@ finish_tfind_command (char *msg, break; case 'T': if ((target_tracept = (int) strtol (++reply, &reply, 16)) == -1) - error ("Target failed to find requested trace frame."); + error (_("Target failed to find requested trace frame.")); break; case 'O': /* "OK"? */ if (reply[1] == 'K' && reply[2] == '\0') reply += 2; else - error ("Bogus reply from target: %s", reply); + error (_("Bogus reply from target: %s"), reply); break; default: - error ("Bogus reply from target: %s", reply); + error (_("Bogus reply from target: %s"), reply); } - flush_cached_frames (); + reinit_frame_cache (); registers_changed (); - select_frame (get_current_frame ()); set_traceframe_num (target_frameno); set_tracepoint_num (target_tracept); if (target_frameno == -1) - set_traceframe_context (-1); + set_traceframe_context (NULL); else - set_traceframe_context (read_pc ()); + set_traceframe_context (get_current_frame ()); if (from_tty) { @@ -1968,18 +1914,10 @@ finish_tfind_command (char *msg, whether we have made a transition from one function to another. If so, we'll print the "stack frame" (ie. the new function and it's arguments) -- otherwise we'll just show the - new source line. - - This determination is made by checking (1) whether the - current function has changed, and (2) whether the current FP - has changed. Hack: if the FP wasn't collected, either at the - current or the previous frame, assume that the FP has NOT - changed. */ - - if (old_func == find_pc_function (read_pc ()) && - (old_frame_addr == 0 || - get_frame_base (get_current_frame ()) == 0 || - old_frame_addr == get_frame_base (get_current_frame ()))) + new source line. */ + + if (frame_id_eq (old_frame_id, + get_frame_id (get_current_frame ()))) print_what = SRC_LINE; else print_what = SRC_AND_LOC; @@ -2011,6 +1949,9 @@ trace_find_command (char *args, int from_tty) if (target_is_remote ()) { + if (trace_running_p) + error ("May not look at trace frames while trace is running."); + if (deprecated_trace_find_hook) deprecated_trace_find_hook (args, from_tty); @@ -2024,9 +1965,9 @@ trace_find_command (char *args, int from_tty) else if (0 == strcmp (args, "-")) { if (traceframe_number == -1) - error ("not debugging trace buffer"); + error (_("not debugging trace buffer")); else if (from_tty && traceframe_number == 0) - error ("already at start of trace buffer"); + error (_("already at start of trace buffer")); frameno = traceframe_number - 1; } @@ -2034,13 +1975,13 @@ trace_find_command (char *args, int from_tty) frameno = parse_and_eval_long (args); if (frameno < -1) - error ("invalid input (%d is less than zero)", frameno); + error (_("invalid input (%d is less than zero)"), frameno); sprintf (target_buf, "QTFrame:%x", frameno); - finish_tfind_command (target_buf, sizeof (target_buf), from_tty); + finish_tfind_command (&target_buf, &target_buf_size, from_tty); } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); } /* tfind end */ @@ -2073,17 +2014,20 @@ trace_find_pc_command (char *args, int from_tty) if (target_is_remote ()) { + if (trace_running_p) + error ("May not look at trace frames while trace is running."); + if (args == 0 || *args == 0) - pc = read_pc (); /* default is current pc */ + pc = regcache_read_pc (get_current_regcache ()); else pc = parse_and_eval_address (args); sprintf_vma (tmp, pc); sprintf (target_buf, "QTFrame:pc:%s", tmp); - finish_tfind_command (target_buf, sizeof (target_buf), from_tty); + finish_tfind_command (&target_buf, &target_buf_size, from_tty); } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); } /* tfind tracepoint command */ @@ -2094,10 +2038,13 @@ trace_find_tracepoint_command (char *args, int from_tty) if (target_is_remote ()) { + if (trace_running_p) + error ("May not look at trace frames while trace is running."); + if (args == 0 || *args == 0) { if (tracepoint_number == -1) - error ("No current tracepoint -- please supply an argument."); + error (_("No current tracepoint -- please supply an argument.")); else tdp = tracepoint_number; /* default is current TDP */ } @@ -2105,10 +2052,10 @@ trace_find_tracepoint_command (char *args, int from_tty) tdp = parse_and_eval_long (args); sprintf (target_buf, "QTFrame:tdp:%x", tdp); - finish_tfind_command (target_buf, sizeof (target_buf), from_tty); + finish_tfind_command (&target_buf, &target_buf_size, from_tty); } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); } /* TFIND LINE command: @@ -2130,6 +2077,9 @@ trace_find_line_command (char *args, int from_tty) if (target_is_remote ()) { + if (trace_running_p) + error ("May not look at trace frames while trace is running."); + if (args == 0 || *args == 0) { sal = find_pc_line (get_frame_pc (get_current_frame ()), 0); @@ -2147,6 +2097,8 @@ trace_find_line_command (char *args, int from_tty) old_chain = make_cleanup (xfree, sals.sals); if (sal.symtab == 0) { + struct gdbarch *gdbarch = get_current_arch (); + printf_filtered ("TFIND: No line number information available"); if (sal.pc != 0) { @@ -2155,7 +2107,7 @@ trace_find_line_command (char *args, int from_tty) have the symbolic address. */ printf_filtered (" for address "); wrap_here (" "); - print_address (sal.pc, gdb_stdout); + print_address (gdbarch, sal.pc, gdb_stdout); printf_filtered (";\n -- will attempt to find by PC. \n"); } else @@ -2167,13 +2119,15 @@ trace_find_line_command (char *args, int from_tty) else if (sal.line > 0 && find_line_pc_range (sal, &start_pc, &end_pc)) { + struct gdbarch *gdbarch = get_objfile_arch (sal.symtab->objfile); + if (start_pc == end_pc) { printf_filtered ("Line %d of \"%s\"", sal.line, sal.symtab->filename); wrap_here (" "); printf_filtered (" is at address "); - print_address (start_pc, gdb_stdout); + print_address (gdbarch, start_pc, gdb_stdout); wrap_here (" "); printf_filtered (" but contains no code.\n"); sal = find_pc_line (start_pc, 0); @@ -2183,14 +2137,14 @@ trace_find_line_command (char *args, int from_tty) printf_filtered ("Attempting to find line %d instead.\n", sal.line); else - error ("Cannot find a good line."); + error (_("Cannot find a good line.")); } } else /* Is there any case in which we get here, and have an address which the user would want to see? If we have debugging symbols and no line numbers? */ - error ("Line number %d is out of range for \"%s\".\n", + error (_("Line number %d is out of range for \"%s\"."), sal.line, sal.symtab->filename); sprintf_vma (startpc_str, start_pc); @@ -2203,12 +2157,12 @@ trace_find_line_command (char *args, int from_tty) else sprintf (target_buf, "QTFrame:outside:%s:%s", startpc_str, endpc_str); - finish_tfind_command (target_buf, sizeof (target_buf), + finish_tfind_command (&target_buf, &target_buf_size, from_tty); do_cleanups (old_chain); } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); } /* tfind range command */ @@ -2221,6 +2175,9 @@ trace_find_range_command (char *args, int from_tty) if (target_is_remote ()) { + if (trace_running_p) + error ("May not look at trace frames while trace is running."); + if (args == 0 || *args == 0) { /* XXX FIXME: what should default behavior be? */ printf_filtered ("Usage: tfind range ,\n"); @@ -2244,10 +2201,10 @@ trace_find_range_command (char *args, int from_tty) sprintf_vma (start_str, start); sprintf_vma (stop_str, stop); sprintf (target_buf, "QTFrame:range:%s:%s", start_str, stop_str); - finish_tfind_command (target_buf, sizeof (target_buf), from_tty); + finish_tfind_command (&target_buf, &target_buf_size, from_tty); } else - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); } /* tfind outside command */ @@ -2260,6 +2217,9 @@ trace_find_outside_command (char *args, int from_tty) if (target_is_remote ()) { + if (trace_running_p) + error ("May not look at trace frames while trace is running."); + if (args == 0 || *args == 0) { /* XXX FIXME: what should default behavior be? */ printf_filtered ("Usage: tfind outside ,\n"); @@ -2283,82 +2243,10 @@ trace_find_outside_command (char *args, int from_tty) sprintf_vma (start_str, start); sprintf_vma (stop_str, stop); sprintf (target_buf, "QTFrame:outside:%s:%s", start_str, stop_str); - finish_tfind_command (target_buf, sizeof (target_buf), from_tty); + finish_tfind_command (&target_buf, &target_buf_size, from_tty); } else - error ("Trace can only be run on remote targets."); -} - -/* save-tracepoints command */ -static void -tracepoint_save_command (char *args, int from_tty) -{ - struct tracepoint *tp; - struct action_line *line; - FILE *fp; - char *i1 = " ", *i2 = " "; - char *indent, *actionline, *pathname; - char tmp[40]; - - if (args == 0 || *args == 0) - error ("Argument required (file name in which to save tracepoints"); - - if (tracepoint_chain == 0) - { - warning ("save-tracepoints: no tracepoints to save.\n"); - return; - } - - pathname = tilde_expand (args); - if (!(fp = fopen (pathname, "w"))) - error ("Unable to open file '%s' for saving tracepoints (%s)", - args, safe_strerror (errno)); - xfree (pathname); - - ALL_TRACEPOINTS (tp) - { - if (tp->addr_string) - fprintf (fp, "trace %s\n", tp->addr_string); - else - { - sprintf_vma (tmp, tp->address); - fprintf (fp, "trace *0x%s\n", tmp); - } - - if (tp->pass_count) - fprintf (fp, " passcount %d\n", tp->pass_count); - - if (tp->actions) - { - fprintf (fp, " actions\n"); - indent = i1; - for (line = tp->actions; line; line = line->next) - { - struct cmd_list_element *cmd; - - QUIT; /* allow user to bail out with ^C */ - actionline = line->action; - while (isspace ((int) *actionline)) - actionline++; - - fprintf (fp, "%s%s\n", indent, actionline); - if (*actionline != '#') /* skip for comment lines */ - { - cmd = lookup_cmd (&actionline, cmdlist, "", -1, 1); - if (cmd == 0) - error ("Bad action list item: %s", actionline); - if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) - indent = i2; - else if (cmd_cfunc_eq (cmd, end_actions_pseudocommand)) - indent = i1; - } - } - } - } - fclose (fp); - if (from_tty) - printf_filtered ("Tracepoints saved to file '%s'.\n", args); - return; + error (_("Trace can only be run on remote targets.")); } /* info scope command: list the locals for a scope. */ @@ -2372,9 +2260,11 @@ scope_info (char *args, int from_tty) char **canonical, *symname, *save_args = args; struct dict_iterator iter; int j, count = 0; + struct gdbarch *gdbarch; + int regno; if (args == 0 || *args == 0) - error ("requires an argument (function, line or *addr) to define a scope"); + error (_("requires an argument (function, line or *addr) to define a scope")); sals = decode_line_1 (&args, 1, NULL, 0, &canonical, NULL); if (sals.nelts == 0) @@ -2394,10 +2284,12 @@ scope_info (char *args, int from_tty) printf_filtered ("Scope for %s:\n", save_args); count++; - symname = DEPRECATED_SYMBOL_NAME (sym); + symname = SYMBOL_PRINT_NAME (sym); if (symname == NULL || *symname == '\0') continue; /* probably botched, certainly useless */ + gdbarch = get_objfile_arch (SYMBOL_SYMTAB (sym)->objfile); + printf_filtered ("Symbol %s is ", symname); switch (SYMBOL_CLASS (sym)) { @@ -2420,15 +2312,27 @@ scope_info (char *args, int from_tty) break; case LOC_STATIC: printf_filtered ("in static storage at address "); - print_address_numeric (SYMBOL_VALUE_ADDRESS (sym), - 1, gdb_stdout); + printf_filtered ("%s", paddress (gdbarch, + SYMBOL_VALUE_ADDRESS (sym))); break; case LOC_REGISTER: - printf_filtered ("a local variable in register $%s", - REGISTER_NAME (SYMBOL_VALUE (sym))); + /* GDBARCH is the architecture associated with the objfile + the symbol is defined in; the target architecture may be + different, and may provide additional registers. However, + we do not know the target architecture at this point. + We assume the objfile architecture will contain all the + standard registers that occur in debug info in that + objfile. */ + regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); + + if (SYMBOL_IS_ARGUMENT (sym)) + printf_filtered ("an argument in register $%s", + gdbarch_register_name (gdbarch, regno)); + else + printf_filtered ("a local variable in register $%s", + gdbarch_register_name (gdbarch, regno)); break; case LOC_ARG: - case LOC_LOCAL_ARG: printf_filtered ("an argument at stack/frame offset %ld", SYMBOL_VALUE (sym)); break; @@ -2440,63 +2344,42 @@ scope_info (char *args, int from_tty) printf_filtered ("a reference argument at offset %ld", SYMBOL_VALUE (sym)); break; - case LOC_REGPARM: - printf_filtered ("an argument in register $%s", - REGISTER_NAME (SYMBOL_VALUE (sym))); - break; case LOC_REGPARM_ADDR: + /* Note comment at LOC_REGISTER. */ + regno = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch); printf_filtered ("the address of an argument, in register $%s", - REGISTER_NAME (SYMBOL_VALUE (sym))); + gdbarch_register_name (gdbarch, regno)); break; case LOC_TYPEDEF: printf_filtered ("a typedef.\n"); continue; case LOC_LABEL: printf_filtered ("a label at address "); - print_address_numeric (SYMBOL_VALUE_ADDRESS (sym), - 1, gdb_stdout); + printf_filtered ("%s", paddress (gdbarch, + SYMBOL_VALUE_ADDRESS (sym))); break; case LOC_BLOCK: printf_filtered ("a function at address "); - print_address_numeric (BLOCK_START (SYMBOL_BLOCK_VALUE (sym)), - 1, gdb_stdout); - break; - case LOC_BASEREG: - printf_filtered ("a variable at offset %ld from register $%s", - SYMBOL_VALUE (sym), - REGISTER_NAME (SYMBOL_BASEREG (sym))); - break; - case LOC_BASEREG_ARG: - printf_filtered ("an argument at offset %ld from register $%s", - SYMBOL_VALUE (sym), - REGISTER_NAME (SYMBOL_BASEREG (sym))); + printf_filtered ("%s", + paddress (gdbarch, BLOCK_START (SYMBOL_BLOCK_VALUE (sym)))); break; case LOC_UNRESOLVED: - msym = lookup_minimal_symbol (DEPRECATED_SYMBOL_NAME (sym), + msym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (sym), NULL, NULL); if (msym == NULL) printf_filtered ("Unresolved Static"); else { printf_filtered ("static storage at address "); - print_address_numeric (SYMBOL_VALUE_ADDRESS (msym), 1, - gdb_stdout); + printf_filtered ("%s", + paddress (gdbarch, SYMBOL_VALUE_ADDRESS (msym))); } break; case LOC_OPTIMIZED_OUT: printf_filtered ("optimized out.\n"); continue; - case LOC_HP_THREAD_LOCAL_STATIC: - printf_filtered ("HP thread local static "); - break; - case LOC_INDIRECT: - printf_filtered ("extern (local indirect) at address "); - print_address_numeric (SYMBOL_VALUE_ADDRESS (sym), - 1, gdb_stdout); - break; case LOC_COMPUTED: - case LOC_COMPUTED_ARG: - SYMBOL_OPS (sym)->describe_location (sym, gdb_stdout); + SYMBOL_COMPUTED_OPS (sym)->describe_location (sym, gdb_stdout); break; } if (SYMBOL_TYPE (sym)) @@ -2525,7 +2408,9 @@ replace_comma (void *data) static void trace_dump_command (char *args, int from_tty) { - struct tracepoint *t; + struct regcache *regcache; + struct gdbarch *gdbarch; + struct breakpoint *t; struct action_line *action; char *action_exp, *next_comma; struct cleanup *old_cleanups; @@ -2534,22 +2419,20 @@ trace_dump_command (char *args, int from_tty) if (!target_is_remote ()) { - error ("Trace can only be run on remote targets."); + error (_("Trace can only be run on remote targets.")); return; } if (tracepoint_number == -1) { - warning ("No current trace frame."); + warning (_("No current trace frame.")); return; } - ALL_TRACEPOINTS (t) - if (t->number == tracepoint_number) - break; + t = get_tracepoint (tracepoint_number); if (t == NULL) - error ("No known tracepoint matches 'current' tracepoint #%d.", + error (_("No known tracepoint matches 'current' tracepoint #%d."), tracepoint_number); old_cleanups = make_cleanup (null_cleanup, NULL); @@ -2561,7 +2444,11 @@ trace_dump_command (char *args, int from_tty) to the tracepoint PC. If not, then the current frame was collected during single-stepping. */ - stepping_frame = (t->address != (read_pc () - DECR_PC_AFTER_BREAK)); + regcache = get_current_regcache (); + gdbarch = get_regcache_arch (regcache); + + stepping_frame = (t->loc->address != (regcache_read_pc (regcache) + - gdbarch_decr_pc_after_break (gdbarch))); for (action = t->actions; action; action = action->next) { @@ -2580,7 +2467,7 @@ trace_dump_command (char *args, int from_tty) cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1); if (cmd == 0) - error ("Bad action list item: %s", action_exp); + error (_("Bad action list item: %s"), action_exp); if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand)) stepping_actions = 1; @@ -2641,10 +2528,10 @@ trace_dump_command (char *args, int from_tty) static const char hexchars[] = "0123456789abcdef"; -static unsigned char * -mem2hex (unsigned char *mem, unsigned char *buf, int count) +static char * +mem2hex (gdb_byte *mem, char *buf, int count) { - unsigned char ch; + gdb_byte ch; while (count-- > 0) { @@ -2672,16 +2559,9 @@ _initialize_tracepoint (void) { struct cmd_list_element *c; - tracepoint_chain = 0; - tracepoint_count = 0; traceframe_number = -1; tracepoint_number = -1; - set_internalvar (lookup_internalvar ("tpnum"), - value_from_longest (builtin_type_int, (LONGEST) 0)); - set_internalvar (lookup_internalvar ("trace_frame"), - value_from_longest (builtin_type_int, (LONGEST) - 1)); - if (tracepoint_list.list == NULL) { tracepoint_list.listsize = 128; @@ -2710,149 +2590,134 @@ _initialize_tracepoint (void) } add_info ("scope", scope_info, - "List the variables local to a scope"); + _("List the variables local to a scope")); add_cmd ("tracepoints", class_trace, NULL, - "Tracing of program execution without stopping the program.", + _("Tracing of program execution without stopping the program."), &cmdlist); - add_info ("tracepoints", tracepoints_info, - "Status of tracepoints, or tracepoint number NUMBER.\n\ -Convenience variable \"$tpnum\" contains the number of the\n\ -last tracepoint set."); - - add_info_alias ("tp", "tracepoints", 1); - - c = add_com ("save-tracepoints", class_trace, tracepoint_save_command, - "Save current tracepoint definitions as a script.\n\ -Use the 'source' command in another debug session to restore them."); - set_cmd_completer (c, filename_completer); - add_com ("tdump", class_trace, trace_dump_command, - "Print everything collected at the current tracepoint."); - - add_prefix_cmd ("tfind", class_trace, trace_find_command, - "Select a trace frame;\n\ -No argument means forward by one frame; '-' means backward by one frame.", + _("Print everything collected at the current tracepoint.")); + + c = add_com ("tvariable", class_trace, trace_variable_command,_("\ +Define a trace state variable.\n\ +Argument is a $-prefixed name, optionally followed\n\ +by '=' and an expression that sets the initial value\n\ +at the start of tracing.")); + set_cmd_completer (c, expression_completer); + + add_cmd ("tvariable", class_trace, delete_trace_variable_command, _("\ +Delete one or more trace state variables.\n\ +Arguments are the names of the variables to delete.\n\ +If no arguments are supplied, delete all variables."), &deletelist); + /* FIXME add a trace variable completer */ + + add_info ("tvariables", tvariables_info, _("\ +Status of trace state variables and their values.\n\ +")); + + add_prefix_cmd ("tfind", class_trace, trace_find_command, _("\ +Select a trace frame;\n\ +No argument means forward by one frame; '-' means backward by one frame."), &tfindlist, "tfind ", 1, &cmdlist); - add_cmd ("outside", class_trace, trace_find_outside_command, - "Select a trace frame whose PC is outside the given \ -range.\nUsage: tfind outside addr1, addr2", + add_cmd ("outside", class_trace, trace_find_outside_command, _("\ +Select a trace frame whose PC is outside the given range.\n\ +Usage: tfind outside addr1, addr2"), &tfindlist); - add_cmd ("range", class_trace, trace_find_range_command, - "Select a trace frame whose PC is in the given range.\n\ -Usage: tfind range addr1,addr2", + add_cmd ("range", class_trace, trace_find_range_command, _("\ +Select a trace frame whose PC is in the given range.\n\ +Usage: tfind range addr1,addr2"), &tfindlist); - add_cmd ("line", class_trace, trace_find_line_command, - "Select a trace frame by source line.\n\ + add_cmd ("line", class_trace, trace_find_line_command, _("\ +Select a trace frame by source line.\n\ Argument can be a line number (with optional source file), \n\ a function name, or '*' followed by an address.\n\ -Default argument is 'the next source line that was traced'.", +Default argument is 'the next source line that was traced'."), &tfindlist); - add_cmd ("tracepoint", class_trace, trace_find_tracepoint_command, - "Select a trace frame by tracepoint number.\n\ -Default is the tracepoint for the current trace frame.", + add_cmd ("tracepoint", class_trace, trace_find_tracepoint_command, _("\ +Select a trace frame by tracepoint number.\n\ +Default is the tracepoint for the current trace frame."), &tfindlist); - add_cmd ("pc", class_trace, trace_find_pc_command, - "Select a trace frame by PC.\n\ -Default is the current PC, or the PC of the current trace frame.", + add_cmd ("pc", class_trace, trace_find_pc_command, _("\ +Select a trace frame by PC.\n\ +Default is the current PC, or the PC of the current trace frame."), &tfindlist); - add_cmd ("end", class_trace, trace_find_end_command, - "Synonym for 'none'.\n\ -De-select any trace frame and resume 'live' debugging.", + add_cmd ("end", class_trace, trace_find_end_command, _("\ +Synonym for 'none'.\n\ +De-select any trace frame and resume 'live' debugging."), &tfindlist); add_cmd ("none", class_trace, trace_find_none_command, - "De-select any trace frame and resume 'live' debugging.", + _("De-select any trace frame and resume 'live' debugging."), &tfindlist); add_cmd ("start", class_trace, trace_find_start_command, - "Select the first trace frame in the trace buffer.", + _("Select the first trace frame in the trace buffer."), &tfindlist); add_com ("tstatus", class_trace, trace_status_command, - "Display the status of the current trace data collection."); + _("Display the status of the current trace data collection.")); add_com ("tstop", class_trace, trace_stop_command, - "Stop trace data collection."); + _("Stop trace data collection.")); add_com ("tstart", class_trace, trace_start_command, - "Start trace data collection."); + _("Start trace data collection.")); - add_com ("passcount", class_trace, trace_pass_command, - "Set the passcount for a tracepoint.\n\ -The trace will end when the tracepoint has been passed 'count' times.\n\ -Usage: passcount COUNT TPNUM, where TPNUM may also be \"all\";\n\ -if TPNUM is omitted, passcount refers to the last tracepoint defined."); - - add_com ("end", class_trace, end_actions_pseudocommand, - "Ends a list of commands or actions.\n\ + add_com ("end", class_trace, end_actions_pseudocommand, _("\ +Ends a list of commands or actions.\n\ Several GDB commands allow you to enter a list of commands or actions.\n\ Entering \"end\" on a line by itself is the normal way to terminate\n\ such a list.\n\n\ -Note: the \"end\" command cannot be used at the gdb prompt."); +Note: the \"end\" command cannot be used at the gdb prompt.")); - add_com ("while-stepping", class_trace, while_stepping_pseudocommand, - "Specify single-stepping behavior at a tracepoint.\n\ + add_com ("while-stepping", class_trace, while_stepping_pseudocommand, _("\ +Specify single-stepping behavior at a tracepoint.\n\ Argument is number of instructions to trace in single-step mode\n\ following the tracepoint. This command is normally followed by\n\ one or more \"collect\" commands, to specify what to collect\n\ while single-stepping.\n\n\ -Note: this command can only be used in a tracepoint \"actions\" list."); +Note: this command can only be used in a tracepoint \"actions\" list.")); add_com_alias ("ws", "while-stepping", class_alias, 0); add_com_alias ("stepping", "while-stepping", class_alias, 0); - add_com ("collect", class_trace, collect_pseudocommand, - "Specify one or more data items to be collected at a tracepoint.\n\ + add_com ("collect", class_trace, collect_pseudocommand, _("\ +Specify one or more data items to be collected at a tracepoint.\n\ Accepts a comma-separated list of (one or more) expressions. GDB will\n\ collect all data (variables, registers) referenced by that expression.\n\ Also accepts the following special arguments:\n\ $regs -- all registers.\n\ $args -- all function arguments.\n\ $locals -- all variables local to the block/function scope.\n\ -Note: this command can only be used in a tracepoint \"actions\" list."); +Note: this command can only be used in a tracepoint \"actions\" list.")); + + add_com ("teval", class_trace, teval_pseudocommand, _("\ +Specify one or more expressions to be evaluated at a tracepoint.\n\ +Accepts a comma-separated list of (one or more) expressions.\n\ +The result of each evaluation will be discarded.\n\ +Note: this command can only be used in a tracepoint \"actions\" list.")); - add_com ("actions", class_trace, trace_actions_command, - "Specify the actions to be taken at a tracepoint.\n\ + add_com ("actions", class_trace, trace_actions_command, _("\ +Specify the actions to be taken at a tracepoint.\n\ Tracepoint actions may include collecting of specified data, \n\ single-stepping, or enabling/disabling other tracepoints, \n\ -depending on target's capabilities."); - - add_cmd ("tracepoints", class_trace, delete_trace_command, - "Delete specified tracepoints.\n\ -Arguments are tracepoint numbers, separated by spaces.\n\ -No argument means delete all tracepoints.", - &deletelist); - - add_cmd ("tracepoints", class_trace, disable_trace_command, - "Disable specified tracepoints.\n\ -Arguments are tracepoint numbers, separated by spaces.\n\ -No argument means disable all tracepoints.", - &disablelist); - - add_cmd ("tracepoints", class_trace, enable_trace_command, - "Enable specified tracepoints.\n\ -Arguments are tracepoint numbers, separated by spaces.\n\ -No argument means enable all tracepoints.", - &enablelist); - - c = add_com ("trace", class_trace, trace_command, - "Set a tracepoint at a specified line or function or address.\n\ -Argument may be a line number, function name, or '*' plus an address.\n\ -For a line number or function, trace at the start of its code.\n\ -If an address is specified, trace at that exact address.\n\n\ -Do \"help tracepoints\" for info on other tracepoint commands."); - set_cmd_completer (c, location_completer); - - add_com_alias ("tp", "trace", class_alias, 0); - add_com_alias ("tr", "trace", class_alias, 1); - add_com_alias ("tra", "trace", class_alias, 1); - add_com_alias ("trac", "trace", class_alias, 1); +depending on target's capabilities.")); + + default_collect = xstrdup (""); + add_setshow_string_cmd ("default-collect", class_trace, + &default_collect, _("\ +Set the list of expressions to collect by default"), _("\ +Show the list of expressions to collect by default"), NULL, + NULL, NULL, + &setlist, &showlist); + + target_buf_size = 2048; + target_buf = xmalloc (target_buf_size); }