/tmp/gdb-8.1/gdb/ctf.c File Reference

#include "defs.h"
#include "ctf.h"
#include "tracepoint.h"
#include "regcache.h"
#include <sys/stat.h>
#include "exec.h"
#include "completer.h"
#include "inferior.h"
#include "gdbthread.h"
#include "tracefile.h"
#include <ctype.h>
#include <algorithm>

Go to the source code of this file.

Classes
struct	trace_write_handler
struct	ctf_trace_file_writer

Macros
#define	CTF_MAGIC   0xC1FC1FC1
#define	CTF_SAVE_MAJOR   1
#define	CTF_SAVE_MINOR   8
#define	CTF_METADATA_NAME   "metadata"
#define	CTF_DATASTREAM_NAME   "datastream"
#define	CTF_EVENT_ID_REGISTER   0
#define	CTF_EVENT_ID_TSV   1
#define	CTF_EVENT_ID_MEMORY   2
#define	CTF_EVENT_ID_FRAME   3
#define	CTF_EVENT_ID_STATUS   4
#define	CTF_EVENT_ID_TSV_DEF   5
#define	CTF_EVENT_ID_TP_DEF   6
#define	CTF_PID   (2)
#define	ctf_save_write_uint32(HANDLER, U32)   ctf_save_write (HANDLER, (gdb_byte *) &U32, 4)
#define	ctf_save_write_int32(HANDLER, INT32)   ctf_save_write ((HANDLER), (gdb_byte *) &(INT32), 4)
#define	HOST_ENDIANNESS   "le"

Functions
static void	ctf_save_write_metadata (struct trace_write_handler *handler, const char *format,...) ATTRIBUTE_PRINTF(2
static int	ctf_save_write (struct trace_write_handler *handler, const gdb_byte *buf, size_t size)
static int	ctf_save_fseek (struct trace_write_handler *handler, long offset, int whence)
static int	ctf_save_align_write (struct trace_write_handler *handler, const gdb_byte *buf, size_t size, size_t align_size)
static void	ctf_save_next_packet (struct trace_write_handler *handler)
static void	ctf_save_metadata_header (struct trace_write_handler *handler)
static void	ctf_dtor (struct trace_file_writer *self)
static int	ctf_target_save (struct trace_file_writer *self, const char *dirname)
static void	ctf_start (struct trace_file_writer *self, const char *dirname)
static void	ctf_write_header (struct trace_file_writer *self)
static void	ctf_write_regblock_type (struct trace_file_writer *self, int size)
static void	ctf_write_status (struct trace_file_writer *self, struct trace_status *ts)
static void	ctf_write_uploaded_tsv (struct trace_file_writer *self, struct uploaded_tsv *tsv)
static void	ctf_write_uploaded_tp (struct trace_file_writer *self, struct uploaded_tp *tp)
static void	ctf_write_tdesc (struct trace_file_writer *self)
static void	ctf_write_definition_end (struct trace_file_writer *self)
static void	ctf_end (struct trace_file_writer *self)
static void	ctf_write_frame_start (struct trace_file_writer *self, uint16_t tpnum)
static void	ctf_write_frame_r_block (struct trace_file_writer *self, gdb_byte *buf, int32_t size)
static void	ctf_write_frame_m_block_header (struct trace_file_writer *self, uint64_t addr, uint16_t length)
static void	ctf_write_frame_m_block_memory (struct trace_file_writer *self, gdb_byte *buf, uint16_t length)
static void	ctf_write_frame_v_block (struct trace_file_writer *self, int32_t num, uint64_t val)
static void	ctf_write_frame_end (struct trace_file_writer *self)
struct trace_file_writer *	ctf_trace_file_writer_new (void)
void	_initialize_ctf (void)

Variables
static const struct trace_frame_write_ops	ctf_write_frame_ops
static const struct trace_file_write_ops	ctf_write_ops

Macro Definition Documentation

CTF_DATASTREAM_NAME

#define CTF_DATASTREAM_NAME   "datastream"

Definition at line 70 of file ctf.c.

Referenced by ctf_start().

CTF_EVENT_ID_FRAME

#define CTF_EVENT_ID_FRAME   3

Definition at line 77 of file ctf.c.

Referenced by ctf_write_frame_start(), and ctf_write_header().

CTF_EVENT_ID_MEMORY

#define CTF_EVENT_ID_MEMORY   2

Definition at line 76 of file ctf.c.

Referenced by ctf_write_frame_m_block_header(), and ctf_write_header().

CTF_EVENT_ID_REGISTER

#define CTF_EVENT_ID_REGISTER   0

Definition at line 74 of file ctf.c.

Referenced by ctf_write_frame_r_block(), and ctf_write_regblock_type().

CTF_EVENT_ID_STATUS

#define CTF_EVENT_ID_STATUS   4

Definition at line 78 of file ctf.c.

Referenced by ctf_write_status().

CTF_EVENT_ID_TP_DEF

#define CTF_EVENT_ID_TP_DEF   6

Definition at line 80 of file ctf.c.

Referenced by ctf_write_header(), and ctf_write_uploaded_tp().

CTF_EVENT_ID_TSV

#define CTF_EVENT_ID_TSV   1

Definition at line 75 of file ctf.c.

Referenced by ctf_write_frame_v_block(), and ctf_write_header().

CTF_EVENT_ID_TSV_DEF

#define CTF_EVENT_ID_TSV_DEF   5

Definition at line 79 of file ctf.c.

Referenced by ctf_write_header(), and ctf_write_uploaded_tsv().

CTF_MAGIC

#define CTF_MAGIC   0xC1FC1FC1

Definition at line 65 of file ctf.c.

Referenced by ctf_write_frame_start().

CTF_METADATA_NAME

#define CTF_METADATA_NAME   "metadata"

Definition at line 69 of file ctf.c.

Referenced by ctf_start().

CTF_PID

#define CTF_PID   (2)

Definition at line 82 of file ctf.c.

CTF_SAVE_MAJOR

#define CTF_SAVE_MAJOR   1

Definition at line 66 of file ctf.c.

Referenced by ctf_save_metadata_header().

CTF_SAVE_MINOR

#define CTF_SAVE_MINOR   8

Definition at line 67 of file ctf.c.

Referenced by ctf_save_metadata_header().

ctf_save_write_int32

#define ctf_save_write_int32	(		HANDLER,
			INT32
	)		ctf_save_write ((HANDLER), (gdb_byte *) &(INT32), 4)

Definition at line 145 of file ctf.c.

Referenced by ctf_write_status(), ctf_write_uploaded_tp(), and ctf_write_uploaded_tsv().

ctf_save_write_uint32

#define ctf_save_write_uint32	(		HANDLER,
			U32
	)		ctf_save_write (HANDLER, (gdb_byte *) &U32, 4)

Definition at line 139 of file ctf.c.

Referenced by ctf_write_frame_end(), and ctf_write_frame_start().

HOST_ENDIANNESS

#define HOST_ENDIANNESS   "le"

Referenced by ctf_save_metadata_header().

Function Documentation

_initialize_ctf()

void _initialize_ctf

(

void

)

Definition at line 1715 of file ctf.c.

References add_target_with_completer(), and filename_completer().

ctf_dtor()

static void ctf_dtor ( struct trace_file_writer *  self )

static

Definition at line 283 of file ctf.c.

References trace_write_handler::datastream_fd, trace_write_handler::metadata_fd, and ctf_trace_file_writer::tcs.

ctf_end()

static void ctf_end ( struct trace_file_writer *  self )

static

Definition at line 625 of file ctf.c.

References trace_write_handler::content_size, gdb_assert, and ctf_trace_file_writer::tcs.

ctf_save_align_write()

static int ctf_save_align_write ( struct trace_write_handler *  handler, const gdb_byte *  buf, size_t  size, size_t  align_size  )

static

Definition at line 173 of file ctf.c.

References align_up(), trace_write_handler::content_size, ctf_save_fseek(), ctf_save_write(), offset, SEEK_CUR, and size.

Referenced by ctf_write_frame_m_block_header(), ctf_write_frame_m_block_memory(), ctf_write_frame_r_block(), ctf_write_frame_start(), ctf_write_frame_v_block(), ctf_write_status(), ctf_write_uploaded_tp(), and ctf_write_uploaded_tsv().

ctf_save_fseek()

static int ctf_save_fseek ( struct trace_write_handler *  handler, long  offset, int  whence  )

static

Definition at line 152 of file ctf.c.

References _, trace_write_handler::content_size, trace_write_handler::datastream_fd, error(), gdb_assert, offset, trace_write_handler::packet_start, safe_strerror(), SEEK_CUR, and SEEK_SET.

Referenced by ctf_save_align_write(), ctf_save_next_packet(), ctf_write_frame_end(), and ctf_write_frame_start().

ctf_save_metadata_header()

static void ctf_save_metadata_header ( struct trace_write_handler *  handler )

static

Definition at line 203 of file ctf.c.

References CTF_SAVE_MAJOR, CTF_SAVE_MINOR, ctf_save_write_metadata(), and HOST_ENDIANNESS.

Referenced by ctf_start().

ctf_save_next_packet()

static void ctf_save_next_packet ( struct trace_write_handler *  handler )

static

Definition at line 193 of file ctf.c.

References trace_write_handler::content_size, ctf_save_fseek(), trace_write_handler::packet_start, and SEEK_SET.

Referenced by ctf_write_frame_end().

ctf_save_write()

static int ctf_save_write ( struct trace_write_handler *  handler, const gdb_byte *  buf, size_t  size  )

static

Definition at line 124 of file ctf.c.

References _, trace_write_handler::content_size, trace_write_handler::datastream_fd, error(), safe_strerror(), and size.

Referenced by ctf_save_align_write(), ctf_write_frame_start(), ctf_write_uploaded_tp(), and ctf_write_uploaded_tsv().

ctf_save_write_metadata()

static void static void ctf_save_write_metadata ( struct trace_write_handler *  handler, const char *  format,   ...  )

static

Definition at line 108 of file ctf.c.

References _, error(), and safe_strerror().

Referenced by ctf_save_metadata_header(), ctf_write_header(), ctf_write_regblock_type(), and ctf_write_status().

ctf_start()

static void ctf_start ( struct trace_file_writer *  self, const char *  dirname  )

static

Definition at line 312 of file ctf.c.

References _, CTF_DATASTREAM_NAME, CTF_METADATA_NAME, ctf_save_metadata_header(), trace_write_handler::datastream_fd, error(), memset(), trace_write_handler::metadata_fd, safe_strerror(), string, string_printf(), and ctf_trace_file_writer::tcs.

ctf_target_save()

static int ctf_target_save ( struct trace_file_writer *  self, const char *  dirname  )

static

Definition at line 300 of file ctf.c.

ctf_trace_file_writer_new()

struct trace_file_writer* ctf_trace_file_writer_new

(

void

)

Definition at line 802 of file ctf.c.

References ctf_trace_file_writer::base, ctf_write_ops, trace_file_writer::ops, and XNEW.

Referenced by trace_save_ctf(), and tsave_command().

ctf_write_definition_end()

static void ctf_write_definition_end ( struct trace_file_writer *  self )

static

Definition at line 616 of file ctf.c.

ctf_write_frame_end()

static void ctf_write_frame_end ( struct trace_file_writer *  self )

static

Definition at line 736 of file ctf.c.

References trace_write_handler::content_size, ctf_save_fseek(), ctf_save_next_packet(), ctf_save_write_uint32, trace_write_handler::packet_start, SEEK_SET, TARGET_CHAR_BIT, and ctf_trace_file_writer::tcs.

ctf_write_frame_m_block_header()

static void ctf_write_frame_m_block_header ( struct trace_file_writer *  self, uint64_t  addr, uint16_t  length  )

static

Definition at line 681 of file ctf.c.

References CTF_EVENT_ID_MEMORY, ctf_save_align_write(), and ctf_trace_file_writer::tcs.

ctf_write_frame_m_block_memory()

static void ctf_write_frame_m_block_memory ( struct trace_file_writer *  self, gdb_byte *  buf, uint16_t  length  )

static

Definition at line 702 of file ctf.c.

References ctf_save_align_write(), and ctf_trace_file_writer::tcs.

ctf_write_frame_r_block()

static void ctf_write_frame_r_block ( struct trace_file_writer *  self, gdb_byte *  buf, int32_t  size  )

static

Definition at line 663 of file ctf.c.

References CTF_EVENT_ID_REGISTER, ctf_save_align_write(), size, and ctf_trace_file_writer::tcs.

ctf_write_frame_start()

static void ctf_write_frame_start ( struct trace_file_writer *  self, uint16_t  tpnum  )

static

Definition at line 636 of file ctf.c.

References CTF_EVENT_ID_FRAME, CTF_MAGIC, ctf_save_align_write(), ctf_save_fseek(), ctf_save_write(), ctf_save_write_uint32, SEEK_CUR, and ctf_trace_file_writer::tcs.

ctf_write_frame_v_block()

static void ctf_write_frame_v_block ( struct trace_file_writer *  self, int32_t  num, uint64_t  val  )

static

Definition at line 716 of file ctf.c.

References CTF_EVENT_ID_TSV, ctf_save_align_write(), and ctf_trace_file_writer::tcs.

ctf_write_header()

static void ctf_write_header ( struct trace_file_writer *  self )

static

Definition at line 346 of file ctf.c.

References trace_write_handler::content_size, CTF_EVENT_ID_FRAME, CTF_EVENT_ID_MEMORY, CTF_EVENT_ID_TP_DEF, CTF_EVENT_ID_TSV, CTF_EVENT_ID_TSV_DEF, ctf_save_write_metadata(), gdb_assert, trace_write_handler::packet_start, and ctf_trace_file_writer::tcs.

ctf_write_regblock_type()

static void ctf_write_regblock_type ( struct trace_file_writer *  self, int  size  )

static

Definition at line 429 of file ctf.c.

References CTF_EVENT_ID_REGISTER, ctf_save_write_metadata(), size, and ctf_trace_file_writer::tcs.

ctf_write_status()

static void ctf_write_status ( struct trace_file_writer *  self, struct trace_status *  ts  )

static

Definition at line 449 of file ctf.c.

References trace_status::buffer_free, trace_status::buffer_size, trace_status::circular_buffer, CTF_EVENT_ID_STATUS, ctf_save_align_write(), ctf_save_write_int32, ctf_save_write_metadata(), trace_status::disconnected_tracing, trace_status::stop_reason, trace_status::stopping_tracepoint, ctf_trace_file_writer::tcs, trace_status::traceframe_count, and trace_status::traceframes_created.

ctf_write_tdesc()

static void ctf_write_tdesc ( struct trace_file_writer *  self )

static

Definition at line 607 of file ctf.c.

ctf_write_uploaded_tp()

static void ctf_write_uploaded_tp ( struct trace_file_writer *  self, struct uploaded_tp *  tp  )

static

Definition at line 524 of file ctf.c.

References uploaded_tp::addr, uploaded_tp::at_string, uploaded_tp::cond, uploaded_tp::cond_string, CTF_EVENT_ID_TP_DEF, ctf_save_align_write(), ctf_save_write(), ctf_save_write_int32, uploaded_tp::enabled, uploaded_tp::hit_count, uploaded_tp::number, uploaded_tp::pass, uploaded_tp::step, ctf_trace_file_writer::tcs, uploaded_tp::traceframe_usage, uploaded_tp::type, VEC_iterate, and VEC_length.

ctf_write_uploaded_tsv()

static void ctf_write_uploaded_tsv ( struct trace_file_writer *  self, struct uploaded_tsv *  tsv  )

static

Definition at line 490 of file ctf.c.

References uploaded_tsv::builtin, CTF_EVENT_ID_TSV_DEF, ctf_save_align_write(), ctf_save_write(), ctf_save_write_int32, uploaded_tsv::initial_value, uploaded_tsv::name, uploaded_tsv::number, and ctf_trace_file_writer::tcs.

Variable Documentation

ctf_write_frame_ops

const struct trace_frame_write_ops ctf_write_frame_ops

static

Initial value:

=
{
  ctf_write_frame_start,
  ctf_write_frame_r_block,
  ctf_write_frame_m_block_header,
  ctf_write_frame_m_block_memory,
  ctf_write_frame_v_block,
  ctf_write_frame_end,
}

Definition at line 770 of file ctf.c.

ctf_write_ops

const struct trace_file_write_ops ctf_write_ops

static

Initial value:

=
{
  ctf_dtor,
  ctf_target_save,
  ctf_start,
  ctf_write_header,
  ctf_write_regblock_type,
  ctf_write_status,
  ctf_write_uploaded_tsv,
  ctf_write_uploaded_tp,
  ctf_write_tdesc,
  ctf_write_definition_end,
  NULL,
  &ctf_write_frame_ops,
  ctf_end,
}

Definition at line 782 of file ctf.c.

Referenced by ctf_trace_file_writer_new().