/* Trace file TFILE format support in GDB.
- Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ Copyright (C) 1997-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "tracefile.h"
#include "readline/tilde.h"
-#include "filestuff.h"
-#include "rsp-low.h" /* bin2hex */
+#include "gdbsupport/filestuff.h"
+#include "gdbsupport/rsp-low.h" /* bin2hex */
#include "regcache.h"
#include "inferior.h"
#include "gdbthread.h"
#include "remote.h"
#include "xml-tdesc.h"
#include "target-descriptions.h"
-#include "buffer.h"
+#include "gdbsupport/buffer.h"
+#include "gdbsupport/pathstuff.h"
#include <algorithm>
#ifndef O_LARGEFILE
/* The tfile target. */
+static const target_info tfile_target_info = {
+ "tfile",
+ N_("Local trace dump file"),
+ N_("Use a trace file as a target.\n\
+Specify the filename of the trace file.")
+};
+
class tfile_target final : public tracefile_target
{
public:
- const char *shortname () override
- { return "tfile"; }
-
- const char *longname () override
- { return _("Local trace dump file"); }
+ const target_info &info () const override
+ { return tfile_target_info; }
- const char *doc () override
- {
- return _("\
-Use a trace file as a target. Specify the filename of the trace file.");
- }
-
- void open (const char *, int) override;
void close () override;
void fetch_registers (struct regcache *, int) override;
enum target_xfer_status xfer_partial (enum target_object object,
void files_info () override;
int trace_find (enum trace_find_type type, int num,
CORE_ADDR addr1, CORE_ADDR addr2, int *tpp) override;
- int get_trace_state_variable_value (int tsv, LONGEST *val) override;
+ bool get_trace_state_variable_value (int tsv, LONGEST *val) override;
traceframe_info_up traceframe_info () override;
void get_tracepoint_status (struct breakpoint *tp,
fprintf (writer->fp, ":F%x", utp->orig_size);
if (utp->cond)
fprintf (writer->fp,
- ":X%x,%s", (unsigned int) strlen (utp->cond) / 2,
- utp->cond);
+ ":X%x,%s", (unsigned int) strlen (utp->cond.get ()) / 2,
+ utp->cond.get ());
fprintf (writer->fp, "\n");
- for (char *act : utp->actions)
+ for (const auto &act : utp->actions)
fprintf (writer->fp, "tp A%x:%s:%s\n",
- utp->number, phex_nz (utp->addr, sizeof (utp->addr)), act);
- for (char *act : utp->step_actions)
+ utp->number, phex_nz (utp->addr, sizeof (utp->addr)), act.get ());
+ for (const auto &act : utp->step_actions)
fprintf (writer->fp, "tp S%x:%s:%s\n",
- utp->number, phex_nz (utp->addr, sizeof (utp->addr)), act);
+ utp->number, phex_nz (utp->addr, sizeof (utp->addr)), act.get ());
if (utp->at_string)
{
encode_source_string (utp->number, utp->addr,
- "at", utp->at_string, buf, MAX_TRACE_UPLOAD);
+ "at", utp->at_string.get (),
+ buf, MAX_TRACE_UPLOAD);
fprintf (writer->fp, "tp Z%s\n", buf);
}
if (utp->cond_string)
{
encode_source_string (utp->number, utp->addr,
- "cond", utp->cond_string,
+ "cond", utp->cond_string.get (),
buf, MAX_TRACE_UPLOAD);
fprintf (writer->fp, "tp Z%s\n", buf);
}
- for (char *act : utp->cmd_strings)
+ for (const auto &act : utp->cmd_strings)
{
- encode_source_string (utp->number, utp->addr, "cmd", act,
+ encode_source_string (utp->number, utp->addr, "cmd", act.get (),
buf, MAX_TRACE_UPLOAD);
fprintf (writer->fp, "tp Z%s\n", buf);
}
= (struct tfile_trace_file_writer *) self;
gdb::optional<std::string> tdesc
- = target_fetch_description_xml (target_stack);
+ = target_fetch_description_xml (current_top_target ());
if (!tdesc)
return;
error (_("Premature end of file while reading trace file"));
}
-void
-tfile_target::open (const char *arg, int from_tty)
+/* Open the tfile target. */
+
+static void
+tfile_target_open (const char *arg, int from_tty)
{
int flags;
int scratch_chan;
gdb::unique_xmalloc_ptr<char> filename (tilde_expand (arg));
if (!IS_ABSOLUTE_PATH (filename.get ()))
- filename.reset (concat (current_directory, "/", filename.get (),
- (char *) NULL));
+ filename = gdb_abspath (filename.get ());
flags = O_BINARY | O_LARGEFILE;
flags |= O_RDONLY;
ts->disconnected_tracing = 0;
ts->circular_buffer = 0;
- TRY
+ try
{
/* Read through a section of newline-terminated lines that
define things like tracepoints. */
if (trace_regblock_size == 0)
error (_("No register block size recorded in trace file"));
}
- CATCH (ex, RETURN_MASK_ALL)
+ catch (const gdb_exception &ex)
{
/* Remove the partially set up target. */
unpush_target (&tfile_ops);
- throw_exception (ex);
+ throw;
}
- END_CATCH
inferior_appeared (current_inferior (), TFILE_PID);
- inferior_ptid = pid_to_ptid (TFILE_PID);
- add_thread_silent (inferior_ptid);
+
+ thread_info *thr = add_thread_silent (&tfile_ops, ptid_t (TFILE_PID));
+ switch_to_thread (thr);
if (ts->traceframe_count <= 0)
warning (_("No traceframes present in this file."));
void
tfile_target::close ()
{
- int pid;
+ gdb_assert (trace_fd != -1);
- if (trace_fd < 0)
- return;
-
- pid = ptid_get_pid (inferior_ptid);
- inferior_ptid = null_ptid; /* Avoid confusion from thread stuff. */
- exit_inferior_silent (pid);
+ switch_to_no_thread (); /* Avoid confusion from thread stuff. */
+ exit_inferior_silent (current_inferior ());
::close (trace_fd);
trace_fd = -1;
/* Make sure we stay within block bounds. */
if (offset + regsize > trace_regblock_size)
break;
- if (regcache_register_status (regcache, regn) == REG_UNKNOWN)
+ if (regcache->get_register_status (regn) == REG_UNKNOWN)
{
if (regno == regn)
{
- regcache_raw_supply (regcache, regno, regs + offset);
+ regcache->raw_supply (regno, regs + offset);
break;
}
else if (regno == -1)
{
- regcache_raw_supply (regcache, regn, regs + offset);
+ regcache->raw_supply (regn, regs + offset);
}
}
}
/* Iterate through the blocks of a trace frame, looking for a 'V'
block with a matching tsv number. */
-int
+bool
tfile_target::get_trace_state_variable_value (int tsvnum, LONGEST *val)
{
int pos;
- int found = 0;
+ bool found = false;
/* Iterate over blocks in current frame and find the last 'V'
block in which tsv number is TSVNUM. In one trace frame, there
*val = extract_signed_integer ((gdb_byte *) val, 8,
gdbarch_byte_order
(target_gdbarch ()));
- found = 1;
+ found = true;
}
pos += (4 + 8);
}
buffer_grow_str (&trace_tdesc, "\n");
}
+void _initialize_tracefile_tfile ();
void
-_initialize_tracefile_tfile (void)
+_initialize_tracefile_tfile ()
{
- add_target_with_completer (&tfile_ops, filename_completer);
+ add_target (tfile_target_info, tfile_target_open, filename_completer);
}
projects / deliverable / binutils-gdb.git / blobdiff