/* Process record and replay target for GDB, the GNU debugger.
- Copyright (C) 2013-2018 Free Software Foundation, Inc.
+ Copyright (C) 2013-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdb_bfd.h"
#include "observable.h"
#include "infrun.h"
-#include "common/gdb_unlinker.h"
-#include "common/byte-vector.h"
+#include "gdbsupport/gdb_unlinker.h"
+#include "gdbsupport/byte-vector.h"
#include <signal.h>
mode, and we build up an execution log in which, for each executed
instruction, we record all changes in memory and register state.
This is invisible to the user, to whom it just looks like an
- ordinary debugging session (except for performance degredation).
+ ordinary debugging session (except for performance degradation).
In replay mode, instead of actually letting the inferior run as a
process, we simulate its execution by playing back the recorded
/* If true, query if PREC cannot record memory
change of next instruction. */
-int record_full_memory_query = 0;
+bool record_full_memory_query = false;
struct record_full_core_buf_entry
{
static struct record_full_entry *record_full_arch_list_head = NULL;
static struct record_full_entry *record_full_arch_list_tail = NULL;
-/* 1 ask user. 0 auto delete the last struct record_full_entry. */
-static int record_full_stop_at_limit = 1;
+/* true ask user. false auto delete the last struct record_full_entry. */
+static bool record_full_stop_at_limit = true;
/* Maximum allowed number of insns in execution log. */
static unsigned int record_full_insn_max_num
= DEFAULT_RECORD_FULL_INSN_MAX_NUM;
class record_full_base_target : public target_ops
{
public:
- record_full_base_target ()
- { to_stratum = record_stratum; }
-
const target_info &info () const override = 0;
+ strata stratum () const override { return record_stratum; }
+
void close () override;
void async (int) override;
ptid_t wait (ptid_t, struct target_waitstatus *, int) override;
int ret;
struct gdbarch *gdbarch = regcache->arch ();
- TRY
+ try
{
record_full_arch_list_head = NULL;
record_full_arch_list_tail = NULL;
if (ret < 0)
error (_("Process record: failed to record execution log."));
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
record_full_list_release (record_full_arch_list_tail);
- throw_exception (ex);
+ throw;
}
- END_CATCH
record_full_list->next = record_full_arch_list_head;
record_full_arch_list_head->prev = record_full_list;
record_full_message_wrapper_safe (struct regcache *regcache,
enum gdb_signal signal)
{
- TRY
+ try
{
record_full_message (regcache, signal);
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
exception_print (gdb_stderr, ex);
return false;
}
- END_CATCH
return true;
}
}
/* Release record_full_core_buf_list. */
- if (record_full_core_buf_list)
+ while (record_full_core_buf_list)
{
- for (entry = record_full_core_buf_list->prev; entry;
- entry = entry->prev)
- {
- xfree (record_full_core_buf_list);
- record_full_core_buf_list = entry;
- }
- record_full_core_buf_list = NULL;
+ entry = record_full_core_buf_list;
+ record_full_core_buf_list = record_full_core_buf_list->prev;
+ xfree (entry);
}
if (record_full_async_inferior_event_token)
}
/* Make sure the target beneath reports all signals. */
- target_pass_signals (0, NULL);
+ target_pass_signals ({});
this->beneath ()->resume (ptid, step, signal);
}
while (1)
{
- struct thread_info *tp;
-
ret = ops->beneath ()->wait (ptid, status, options);
if (status->kind == TARGET_WAITKIND_IGNORE)
{
return ret;
}
- ALL_NON_EXITED_THREADS (tp)
+ for (thread_info *tp : all_non_exited_threads ())
delete_single_step_breakpoints (tp);
if (record_full_resume_step)
int continue_flag = 1;
int first_record_full_end = 1;
- TRY
+ try
{
CORE_ADDR tmp_pc;
if (first_record_full_end
&& execution_direction == EXEC_REVERSE)
{
- /* When reverse excute, the first
+ /* When reverse execute, the first
record_full_end is the part of current
instruction. */
first_record_full_end = 0;
else
status->value.sig = GDB_SIGNAL_TRAP;
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
if (execution_direction == EXEC_REVERSE)
{
else
record_full_list = record_full_list->prev;
- throw_exception (ex);
+ throw;
}
- END_CATCH
}
signal (SIGINT, handle_sigint);
osec ? "succeeded" : "failed");
if (osec == NULL)
return;
- osec_size = bfd_section_size (core_bfd, osec);
+ osec_size = bfd_section_size (osec);
if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "%s", bfd_section_name (core_bfd, osec));
+ fprintf_unfiltered (gdb_stdlog, "%s", bfd_section_name (osec));
/* Check the magic code. */
bfdcore_read (core_bfd, osec, &magic, sizeof (magic), &bfd_offset);
record_full_arch_list_tail = NULL;
record_full_insn_num = 0;
- TRY
+ try
{
regcache = get_current_regcache ();
record_full_arch_list_add (rec);
}
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
record_full_list_release (record_full_arch_list_tail);
- throw_exception (ex);
+ throw;
}
- END_CATCH
/* Add record_full_arch_list_head to the end of record list. */
record_full_first.next = record_full_arch_list_head;
error (_("Failed to create 'precord' section for corefile %s: %s"),
recfilename,
bfd_errmsg (bfd_get_error ()));
- bfd_set_section_size (obfd.get (), osec, save_size);
- bfd_set_section_vma (obfd.get (), osec, 0);
- bfd_set_section_alignment (obfd.get (), osec, 0);
- bfd_section_lma (obfd.get (), osec) = 0;
+ bfd_set_section_size (osec, save_size);
+ bfd_set_section_vma (osec, 0);
+ bfd_set_section_alignment (osec, 0);
/* Save corefile state. */
write_gcore_file (obfd.get ());
deprecate_cmd (c, "record full restore");
add_prefix_cmd ("full", class_support, set_record_full_command,
- _("Set record options"), &set_record_full_cmdlist,
+ _("Set record options."), &set_record_full_cmdlist,
"set record full ", 0, &set_record_cmdlist);
add_prefix_cmd ("full", class_support, show_record_full_command,
- _("Show record options"), &show_record_full_cmdlist,
+ _("Show record options."), &show_record_full_cmdlist,
"show record full ", 0, &show_record_cmdlist);
/* Record instructions number limit command. */
projects / deliverable / binutils-gdb.git / blobdiff