error (_("Expression is too complicated."));
}
+/* Call ax_reqs on AEXPR and raise an error if something is wrong. */
+
+static void
+finalize_tracepoint_aexpr (struct agent_expr *aexpr)
+{
+ ax_reqs (aexpr);
+
+ if (aexpr->len > MAX_AGENT_EXPR_LEN)
+ error (_("Expression is too complicated."));
+
+ report_agent_reqs_errors (aexpr);
+}
+
/* worker function */
void
validate_actionline (const char *line, struct breakpoint *b)
exp.get (),
trace_string);
- if (aexpr->len > MAX_AGENT_EXPR_LEN)
- error (_("Expression is too complicated."));
-
- ax_reqs (aexpr.get ());
-
- report_agent_reqs_errors (aexpr.get ());
+ finalize_tracepoint_aexpr (aexpr.get ());
}
}
while (p && *p++ == ',');
long. */
agent_expr_up aexpr = gen_eval_for_expr (loc->address, exp.get ());
- if (aexpr->len > MAX_AGENT_EXPR_LEN)
- error (_("Expression is too complicated."));
-
- ax_reqs (aexpr.get ());
- report_agent_reqs_errors (aexpr.get ());
+ finalize_tracepoint_aexpr (aexpr.get ());
}
}
while (p && *p++ == ',');
}
}
-/* Add a register to a collection list. */
+/* Add remote register number REGNO to the collection list mask. */
void
-collection_list::add_register (unsigned int regno)
+collection_list::add_remote_register (unsigned int regno)
{
if (info_verbose)
printf_filtered ("collect register %d\n", regno);
m_regs_mask[regno / 8] |= 1 << (regno % 8);
}
+/* Add all the registers from the mask in AEXPR to the mask in the
+ collection list. Registers in the AEXPR mask are already remote
+ register numbers. */
+
+void
+collection_list::add_ax_registers (struct agent_expr *aexpr)
+{
+ if (aexpr->reg_mask_len > 0)
+ {
+ for (int ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++)
+ {
+ QUIT; /* Allow user to bail out with ^C. */
+ if (aexpr->reg_mask[ndx1] != 0)
+ {
+ /* Assume chars have 8 bits. */
+ for (int ndx2 = 0; ndx2 < 8; ndx2++)
+ if (aexpr->reg_mask[ndx1] & (1 << ndx2))
+ /* It's used -- record it. */
+ add_remote_register (ndx1 * 8 + ndx2);
+ }
+ }
+ }
+}
+
+/* If REGNO is raw, add its corresponding remote register number to
+ the mask. If REGNO is a pseudo-register, figure out the necessary
+ registers using a temporary agent expression, and add it to the
+ list if it needs more than just a mask. */
+
+void
+collection_list::add_local_register (struct gdbarch *gdbarch,
+ unsigned int regno,
+ CORE_ADDR scope)
+{
+ if (regno < gdbarch_num_regs (gdbarch))
+ {
+ int remote_regno = gdbarch_remote_register_number (gdbarch, regno);
+
+ if (remote_regno < 0)
+ error (_("Can't collect register %d"), regno);
+
+ add_remote_register (remote_regno);
+ }
+ else
+ {
+ agent_expr_up aexpr (new agent_expr (gdbarch, scope));
+
+ ax_reg_mask (aexpr.get (), regno);
+
+ finalize_tracepoint_aexpr (aexpr.get ());
+
+ add_ax_registers (aexpr.get ());
+
+ /* Usually ax_reg_mask for a pseudo-regiser only sets the
+ corresponding raw registers in the ax mask, but if this isn't
+ the case add the expression that is generated to the
+ collection list. */
+ if (aexpr->len > 0)
+ add_aexpr (std::move (aexpr));
+ }
+}
+
/* Add a memrange to a collection list. */
void
collection_list::add_memrange (struct gdbarch *gdbarch,
int type, bfd_signed_vma base,
- unsigned long len)
+ unsigned long len, CORE_ADDR scope)
{
if (info_verbose)
printf_filtered ("(%d,%s,%ld)\n", type, paddress (gdbarch, base), len);
m_memranges.emplace_back (type, base, base + len);
if (type != memrange_absolute) /* Better collect the base register! */
- add_register (type);
+ add_local_register (gdbarch, type, scope);
}
/* Add a symbol to a collection list. */
if (TYPE_CODE (SYMBOL_TYPE (sym)) == TYPE_CODE_STRUCT)
treat_as_expr = 1;
else
- add_memrange (gdbarch, memrange_absolute, offset, len);
+ add_memrange (gdbarch, memrange_absolute, offset, len, scope);
break;
case LOC_REGISTER:
reg = SYMBOL_REGISTER_OPS (sym)->register_number (sym, gdbarch);
if (info_verbose)
printf_filtered ("LOC_REG[parm] %s: ",
SYMBOL_PRINT_NAME (sym));
- add_register (reg);
+ add_local_register (gdbarch, reg, scope);
/* 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 (gdbarch, reg))
- add_register (reg + 1);
+ add_local_register (gdbarch, reg + 1, scope);
break;
case LOC_REF_ARG:
printf_filtered ("Sorry, don't know how to do LOC_REF_ARG yet.\n");
SYMBOL_PRINT_NAME (sym), len,
paddress (gdbarch, offset), reg);
}
- add_memrange (gdbarch, reg, offset, len);
+ add_memrange (gdbarch, reg, offset, len, scope);
break;
case LOC_REGPARM_ADDR:
reg = SYMBOL_VALUE (sym);
SYMBOL_PRINT_NAME (sym), len,
paddress (gdbarch, offset), reg);
}
- add_memrange (gdbarch, reg, offset, len);
+ add_memrange (gdbarch, reg, offset, len, scope);
break;
case LOC_LOCAL:
reg = frame_regno;
SYMBOL_PRINT_NAME (sym), len,
paddress (gdbarch, offset), reg);
}
- add_memrange (gdbarch, reg, offset, len);
+ add_memrange (gdbarch, reg, offset, len, scope);
break;
case LOC_UNRESOLVED:
return;
}
- ax_reqs (aexpr.get ());
-
- report_agent_reqs_errors (aexpr.get ());
+ finalize_tracepoint_aexpr (aexpr.get ());
/* Take care of the registers. */
- if (aexpr->reg_mask_len > 0)
- {
- for (int ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++)
- {
- QUIT; /* Allow user to bail out with ^C. */
- if (aexpr->reg_mask[ndx1] != 0)
- {
- /* Assume chars have 8 bits. */
- for (int ndx2 = 0; ndx2 < 8; ndx2++)
- if (aexpr->reg_mask[ndx1] & (1 << ndx2))
- /* It's used -- record it. */
- add_register (ndx1 * 8 + ndx2);
- }
- }
- }
+ add_ax_registers (aexpr.get ());
add_aexpr (std::move (aexpr));
}
if (0 == strncasecmp ("$reg", action_exp, 4))
{
- for (i = 0; i < gdbarch_num_regs (target_gdbarch ()); i++)
- collect->add_register (i);
+ for (i = 0; i < gdbarch_num_regs (target_gdbarch ());
+ i++)
+ {
+ int remote_regno = (gdbarch_remote_register_number
+ (target_gdbarch (), i));
+
+ /* Ignore arch regnos without a corresponding
+ remote regno. This can happen for regnos not
+ in the tdesc. */
+ if (remote_regno >= 0)
+ collect->add_remote_register (remote_regno);
+ }
action_exp = strchr (action_exp, ','); /* more? */
}
else if (0 == strncasecmp ("$arg", action_exp, 4))
target_gdbarch (),
trace_string);
- ax_reqs (aexpr.get ());
- report_agent_reqs_errors (aexpr.get ());
+ finalize_tracepoint_aexpr (aexpr.get ());
/* take care of the registers */
- if (aexpr->reg_mask_len > 0)
- {
- for (int ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++)
- {
- QUIT; /* allow user to bail out with ^C */
- if (aexpr->reg_mask[ndx1] != 0)
- {
- /* assume chars have 8 bits */
- for (int ndx2 = 0; ndx2 < 8; ndx2++)
- if (aexpr->reg_mask[ndx1] & (1 << ndx2))
- {
- /* It's used -- record it. */
- collect->add_register (ndx1 * 8 + ndx2);
- }
- }
- }
- }
+ collect->add_ax_registers (aexpr.get ());
collect->add_aexpr (std::move (aexpr));
action_exp = strchr (action_exp, ','); /* more? */
name);
if (info_verbose)
printf_filtered ("OP_REGISTER: ");
- collect->add_register (i);
+ collect->add_local_register (target_gdbarch (),
+ i, tloc->address);
break;
}
check_typedef (exp->elts[1].type);
collect->add_memrange (target_gdbarch (),
memrange_absolute, addr,
- TYPE_LENGTH (exp->elts[1].type));
+ TYPE_LENGTH (exp->elts[1].type),
+ tloc->address);
collect->append_exp (exp.get ());
break;
exp.get (),
trace_string);
- ax_reqs (aexpr.get ());
-
- report_agent_reqs_errors (aexpr.get ());
+ finalize_tracepoint_aexpr (aexpr.get ());
/* Take care of the registers. */
- if (aexpr->reg_mask_len > 0)
- {
- for (int ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++)
- {
- QUIT; /* Allow user to bail out with ^C. */
- if (aexpr->reg_mask[ndx1] != 0)
- {
- /* Assume chars have 8 bits. */
- for (int ndx2 = 0; ndx2 < 8; ndx2++)
- if (aexpr->reg_mask[ndx1] & (1 << ndx2))
- {
- /* It's used -- record it. */
- collect->add_register (ndx1 * 8 + ndx2);
- }
- }
- }
- }
+ collect->add_ax_registers (aexpr.get ());
collect->add_aexpr (std::move (aexpr));
collect->append_exp (exp.get ());
agent_expr_up aexpr = gen_eval_for_expr (tloc->address,
exp.get ());
- ax_reqs (aexpr.get ());
- report_agent_reqs_errors (aexpr.get ());
+ finalize_tracepoint_aexpr (aexpr.get ());
/* Even though we're not officially collecting, add
to the collect list anyway. */
projects / binutils-gdb.git / commitdiff