/* GDB-specific functions for operating on agent expressions.
- Copyright (C) 1998-2017 Free Software Foundation, Inc.
+ Copyright (C) 1998-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "valprint.h"
#include "c-lang.h"
-#include "format.h"
+#include "common/format.h"
/* To make sense of this file, you should read doc/agentexpr.texi.
Then look at the types and enums in ax-gdb.h. For the code itself,
struct axs_value *value,
struct axs_value *value1,
struct axs_value *value2);
-
-static void agent_command (char *exp, int from_tty);
\f
/* Detecting constant expressions. */
break;
case LOC_BLOCK:
- ax_const_l (ax, BLOCK_START (SYMBOL_BLOCK_VALUE (var)));
+ ax_const_l (ax, BLOCK_ENTRY_PC (SYMBOL_BLOCK_VALUE (var)));
value->kind = axs_rvalue;
break;
if (!found)
error (_("Couldn't find member named `%s' in struct/union/class `%s'"),
- field, TYPE_TAG_NAME (type));
+ field, TYPE_NAME (type));
}
static int
if (!found)
error (_("No symbol \"%s\" in namespace \"%s\"."),
- name, TYPE_TAG_NAME (curtype));
+ name, TYPE_NAME (curtype));
return found;
}
gen_maybe_namespace_elt (struct agent_expr *ax, struct axs_value *value,
const struct type *curtype, char *name)
{
- const char *namespace_name = TYPE_TAG_NAME (curtype);
+ const char *namespace_name = TYPE_NAME (curtype);
struct block_symbol sym;
sym = cp_lookup_symbol_namespace (namespace_name, name,
internal_error (__FILE__, __LINE__,
_("Register $%s not available"), name);
/* No support for tracing user registers yet. */
- if (reg >= gdbarch_num_regs (ax->gdbarch)
- + gdbarch_num_pseudo_regs (ax->gdbarch))
+ if (reg >= gdbarch_num_cooked_regs (ax->gdbarch))
error (_("'%s' is a user-register; "
"GDB cannot yet trace user-register contents."),
name);
gen_printf (CORE_ADDR scope, struct gdbarch *gdbarch,
CORE_ADDR function, LONGEST channel,
const char *format, int fmtlen,
- struct format_piece *frags,
int nargs, struct expression **exprs)
{
agent_expr_up ax (new agent_expr (gdbarch, scope));
}
static void
-agent_command_1 (char *exp, int eval)
+agent_command_1 (const char *exp, int eval)
{
/* We don't deal with overlay debugging at the moment. We need to
think more carefully about this. If you copy this code into
{
struct linespec_result canonical;
- exp = skip_spaces (exp);
-
- event_location_up location = new_linespec_location (&exp);
+ event_location_up location
+ = new_linespec_location (&exp, symbol_name_match_type::WILD);
decode_line_full (location.get (), DECODE_LINE_FUNFIRSTLINE, NULL,
(struct symtab *) NULL, 0, &canonical,
NULL, NULL);
}
static void
-agent_command (char *exp, int from_tty)
+agent_command (const char *exp, int from_tty)
{
agent_command_1 (exp, 0);
}
expression. */
static void
-agent_eval_command (char *exp, int from_tty)
+agent_eval_command (const char *exp, int from_tty)
{
agent_command_1 (exp, 1);
}
that does a printf, and display the resulting expression. */
static void
-maint_agent_printf_command (char *exp, int from_tty)
+maint_agent_printf_command (const char *cmdrest, int from_tty)
{
- struct cleanup *old_chain = 0;
- struct expression *argvec[100];
struct frame_info *fi = get_current_frame (); /* need current scope */
- const char *cmdrest;
const char *format_start, *format_end;
- struct format_piece *fpieces;
- int nargs;
/* We don't deal with overlay debugging at the moment. We need to
think more carefully about this. If you copy this code into
if (overlay_debugging)
error (_("GDB can't do agent expression translation with overlays."));
- if (exp == 0)
+ if (cmdrest == 0)
error_no_arg (_("expression to translate"));
- cmdrest = exp;
-
- cmdrest = skip_spaces_const (cmdrest);
+ cmdrest = skip_spaces (cmdrest);
if (*cmdrest++ != '"')
error (_("Must start with a format string."));
format_start = cmdrest;
- fpieces = parse_format_string (&cmdrest);
-
- old_chain = make_cleanup (free_format_pieces_cleanup, &fpieces);
+ format_pieces fpieces (&cmdrest);
format_end = cmdrest;
if (*cmdrest++ != '"')
error (_("Bad format string, non-terminated '\"'."));
- cmdrest = skip_spaces_const (cmdrest);
+ cmdrest = skip_spaces (cmdrest);
if (*cmdrest != ',' && *cmdrest != 0)
error (_("Invalid argument syntax"));
if (*cmdrest == ',')
cmdrest++;
- cmdrest = skip_spaces_const (cmdrest);
+ cmdrest = skip_spaces (cmdrest);
- nargs = 0;
+ std::vector<struct expression *> argvec;
while (*cmdrest != '\0')
{
const char *cmd1;
cmd1 = cmdrest;
expression_up expr = parse_exp_1 (&cmd1, 0, (struct block *) 0, 1);
- argvec[nargs] = expr.release ();
- ++nargs;
+ argvec.push_back (expr.release ());
cmdrest = cmd1;
if (*cmdrest == ',')
++cmdrest;
agent_expr_up agent = gen_printf (get_frame_pc (fi), get_current_arch (),
0, 0,
format_start, format_end - format_start,
- fpieces, nargs, argvec);
+ argvec.size (), argvec.data ());
ax_reqs (agent.get ());
ax_print (gdb_stdout, agent.get ());
/* It would be nice to call ax_reqs here to gather some general info
about the expression, and then print out the result. */
- do_cleanups (old_chain);
dont_repeat ();
}
-\f
/* Initialization code. */
-void _initialize_ax_gdb (void);
void
_initialize_ax_gdb (void)
{
add_cmd ("agent", class_maintenance, agent_command,
_("\
Translate an expression into remote agent bytecode for tracing.\n\
-Usage: maint agent [-at location,] EXPRESSION\n\
+Usage: maint agent [-at LOCATION,] EXPRESSION\n\
If -at is given, generate remote agent bytecode for this location.\n\
If not, generate remote agent bytecode for current frame pc address."),
&maintenancelist);
add_cmd ("agent-eval", class_maintenance, agent_eval_command,
_("\
Translate an expression into remote agent bytecode for evaluation.\n\
-Usage: maint agent-eval [-at location,] EXPRESSION\n\
+Usage: maint agent-eval [-at LOCATION,] EXPRESSION\n\
If -at is given, generate remote agent bytecode for this location.\n\
If not, generate remote agent bytecode for current frame pc address."),
&maintenancelist);
projects / deliverable / binutils-gdb.git / blobdiff