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2013-06-26  Pedro Alves  <pedro@codesourcery.com>
	    Yao Qi  <yao@codesourcery.com>

	* ctf.c (ctf_traceframe_info): Push trace state variables
	present in the trace data into the traceframe info object.
	* breakpoint.c (DEF_VEC_I): Remove.
	* common/filestuff.c (DEF_VEC_I): Likewise.
	* dwarf2loc.c (DEF_VEC_I): Likewise.
	* mi/mi-main.c (DEF_VEC_I): Likewise.
	* common/gdb_vecs.h (DEF_VEC_I): Define vector for int.
	* features/traceframe-info.dtd: Add tvar element and its
	attributes.
	* tracepoint.c (free_traceframe_info): Free vector 'tvars'.
	(build_traceframe_info): Push trace state variables present in the
	trace data into the traceframe info object.
	(traceframe_info_start_tvar): New function.
	(tvar_attributes): New.
	(traceframe_info_children): Add "tvar" element.
	* tracepoint.h (struct traceframe_info) <tvars>: New field.

	* NEWS: Mention the change in GDB and GDBserver.

gdb/doc:

2013-06-26  Pedro Alves  <pedro@codesourcery.com>

	* gdb.texinfo (Traceframe Info Format): Document tvar element and
	its attributes.

gdb/gdbserver:

2013-06-26  Pedro Alves  <pedro@codesourcery.com>

	* tracepoint.c (build_traceframe_info_xml): Output trace state
	variables present in the trace buffer.
This commit is contained in:
Yao Qi 2013-06-26 08:01:57 +00:00
parent 18870af79b
commit 28a9351183
15 changed files with 108 additions and 10 deletions
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22
gdb/ChangeLog
View file

@ -1,3 +1,25 @@
2013-06-26 Pedro Alves <pedro@codesourcery.com>
Yao Qi <yao@codesourcery.com>
* ctf.c (ctf_traceframe_info): Push trace state variables
present in the trace data into the traceframe info object.
* breakpoint.c (DEF_VEC_I): Remove.
* common/filestuff.c (DEF_VEC_I): Likewise.
* dwarf2loc.c (DEF_VEC_I): Likewise.
* mi/mi-main.c (DEF_VEC_I): Likewise.
* common/gdb_vecs.h (DEF_VEC_I): Define vector for int.
* features/traceframe-info.dtd: Add tvar element and its
attributes.
* tracepoint.c (free_traceframe_info): Free vector 'tvars'.
(build_traceframe_info): Push trace state variables present in
the trace data into the traceframe info object.
(traceframe_info_start_tvar): New function.
(tvar_attributes): New.
(traceframe_info_children): Add "tvar" element.
* tracepoint.h (struct traceframe_info) <tvars>: New field.
* NEWS: Mention the change in GDB and GDBserver.
2013-06-26 Pedro Alves <pedro@codesourcery.com>
Yao Qi <yao@codesourcery.com>

7
gdb/NEWS
View file

@ -92,6 +92,9 @@ show range-stepping
the number of control packets from/to GDB. See "New remote packets"
below.
* GDB now understands the element 'tvar' in the XML traceframe info.
It has the id of the collected trace state variables.
* New remote packets
vCont;r
@ -113,6 +116,10 @@ qXfer:libraries-svr4:read's annex
** GDBserver now supports target-assisted range stepping. Currently
enabled on x86/x86_64 GNU/Linux targets.
** GDBserver now adds element 'tvar' in the XML in the reply to
'qXfer:traceframe-info:read'. It has the id of the collected
trace state variables.
*** Changes in GDB 7.6
* Target record has been renamed to record-full.

2
gdb/breakpoint.c
View file

@ -5799,8 +5799,6 @@ bptype_string (enum bptype type)
return bptypes[(int) type].description;
}
DEF_VEC_I(int);
/* For MI, output a field named 'thread-groups' with a list as the value.
For CLI, prefix the list with the string 'inf'. */

2
gdb/common/filestuff.c
View file

@ -157,8 +157,6 @@ fdwalk (int (*func) (void *, int), void *arg)
don't use a hashtab because libiberty isn't linked into gdbserver;
and anyway we don't expect there to be many open fds. */
DEF_VEC_I (int);
static VEC (int) *open_fds;
/* An fdwalk callback function used by notice_open_fds. It puts the

2
gdb/common/gdb_vecs.h
View file

@ -29,6 +29,8 @@ DEF_VEC_P (char_ptr);
DEF_VEC_P (const_char_ptr);
DEF_VEC_I (int);
extern void free_char_ptr_vec (VEC (char_ptr) *char_ptr_vec);
extern struct cleanup *

12
gdb/ctf.c
View file

@ -1778,6 +1778,18 @@ ctf_traceframe_info (void)
def = bt_ctf_get_field (event, scope, "length");
r->length = (uint16_t) bt_ctf_get_uint64 (def);
}
else if (strcmp (name, "tsv") == 0)
{
int vnum;
const struct bt_definition *scope
= bt_ctf_get_top_level_scope (event,
BT_EVENT_FIELDS);
const struct bt_definition *def;
def = bt_ctf_get_field (event, scope, "num");
vnum = (int) bt_ctf_get_int64 (def);
VEC_safe_push (int, info->tvars, vnum);
}
else
{
warning (_("Unhandled trace block type (%s) "

5
gdb/doc/ChangeLog
View file

@ -1,3 +1,8 @@
2013-06-26 Pedro Alves <pedro@codesourcery.com>
* gdb.texinfo (Traceframe Info Format): Document tvar element
and its attributes.
2013-06-25 Yao Qi <yao@codesourcery.com>
* gdbint.texinfo (Testsuite): Document 'gdb,predefined_tsv'.

12
gdb/doc/gdb.texinfo
View file

@ -41789,17 +41789,27 @@ A region of collected memory starting at @var{addr} and extending for
<memory start="@var{addr}" length="@var{length}"/>
@end smallexample
@item
A block indicating trace state variable numbered @var{number} has been
collected:
@smallexample
<tvar id="@var{number}"/>
@end smallexample
@end itemize
The formal DTD for the traceframe info format is given below:
@smallexample
<!ELEMENT traceframe-info (memory)* >
<!ELEMENT traceframe-info (memory | tvar)* >
<!ATTLIST traceframe-info version CDATA #FIXED "1.0">
<!ELEMENT memory EMPTY>
<!ATTLIST memory start CDATA #REQUIRED
length CDATA #REQUIRED>
<!ELEMENT tvar>
<!ATTLIST tvar id CDATA #REQUIRED>
@end smallexample
@node Branch Trace Format

2
gdb/dwarf2loc.c
View file

@ -42,8 +42,6 @@
#include "gdb_string.h"
#include "gdb_assert.h"
DEF_VEC_I(int);
extern int dwarf2_always_disassemble;
static void dwarf_expr_frame_base_1 (struct symbol *framefunc, CORE_ADDR pc,

5
gdb/features/traceframe-info.dtd
View file

@ -5,9 +5,12 @@
notice and this notice are preserved. -->
<!-- traceframe-info: Root element with versioning -->
<!ELEMENT traceframe-info (memory)* >
<!ELEMENT traceframe-info (memory | tvar)* >
<!ATTLIST traceframe-info version CDATA #FIXED "1.0">
<!ELEMENT memory EMPTY>
<!ATTLIST memory start CDATA #REQUIRED
length CDATA #REQUIRED>
<!ELEMENT tvar EMPTY>
<!ATTLIST tvar id CDATA #REQUIRED>

5
gdb/gdbserver/ChangeLog
View file

@ -1,3 +1,8 @@
2013-06-26 Pedro Alves <pedro@codesourcery.com>
* tracepoint.c (build_traceframe_info_xml): Output trace state
variables present in the trace buffer.
2013-06-24 Tom Tromey <tromey@redhat.com>
* Makefile.in (version.c): Use bfd/version.h, common/version.in,

7
gdb/gdbserver/tracepoint.c
View file

@ -5401,6 +5401,13 @@ build_traceframe_info_xml (char blocktype, unsigned char *dataptr, void *data)
break;
}
case 'V':
{
int vnum;
memcpy (&vnum, dataptr, sizeof (vnum));
buffer_xml_printf (buffer, "<tvar id=\"%d\"/>\n", vnum);
break;
}
case 'R':
case 'S':
{

2
gdb/mi/mi-main.c
View file

@ -513,8 +513,6 @@ mi_cmd_thread_info (char *command, char **argv, int argc)
print_thread_info (current_uiout, argv[0], -1);
}
DEF_VEC_I(int);
struct collect_cores_data
{
int pid;

30
gdb/tracepoint.c
View file

@ -235,6 +235,7 @@ free_traceframe_info (struct traceframe_info *info)
if (info != NULL)
{
VEC_free (mem_range_s, info->memory);
VEC_free (int, info->tvars);
xfree (info);
}
@ -5224,6 +5225,12 @@ build_traceframe_info (char blocktype, void *data)
break;
}
case 'V':
{
int vnum;
tfile_read ((gdb_byte *) &vnum, 4);
VEC_safe_push (int, info->tvars, vnum);
}
case 'R':
case 'S':
{
@ -5581,6 +5588,21 @@ traceframe_info_start_memory (struct gdb_xml_parser *parser,
r->length = *length_p;
}
/* Handle the start of a <tvar> element. */
static void
traceframe_info_start_tvar (struct gdb_xml_parser *parser,
const struct gdb_xml_element *element,
void *user_data,
VEC(gdb_xml_value_s) *attributes)
{
struct traceframe_info *info = user_data;
const char *id_attrib = xml_find_attribute (attributes, "id")->value;
int id = gdb_xml_parse_ulongest (parser, id_attrib);
VEC_safe_push (int, info->tvars, id);
}
/* Discard the constructed trace frame info (if an error occurs). */
static void
@ -5599,10 +5621,18 @@ static const struct gdb_xml_attribute memory_attributes[] = {
{ NULL, GDB_XML_AF_NONE, NULL, NULL }
};
static const struct gdb_xml_attribute tvar_attributes[] = {
{ "id", GDB_XML_AF_NONE, NULL, NULL },
{ NULL, GDB_XML_AF_NONE, NULL, NULL }
};
static const struct gdb_xml_element traceframe_info_children[] = {
{ "memory", memory_attributes, NULL,
GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
traceframe_info_start_memory, NULL },
{ "tvar", tvar_attributes, NULL,
GDB_XML_EF_REPEATABLE | GDB_XML_EF_OPTIONAL,
traceframe_info_start_tvar, NULL },
{ NULL, NULL, NULL, GDB_XML_EF_NONE, NULL, NULL }
};

3
gdb/tracepoint.h
View file

@ -30,6 +30,9 @@ struct traceframe_info
{
/* Collected memory. */
VEC(mem_range_s) *memory;
/* Collected trace state variables. */
VEC(int) *tvars;
};
/* A trace state variable is a value managed by a target being