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2009-02-06 Pedro Alves <pedro@codesourcery.com>

Browse Source 
gdb/
	* target.h (enum target_object): Add new TARGET_OBJECT_SIGNAL_INFO.
	* infrun.c (siginfo_value_read, siginfo_value_write): New.
	(siginfo_value_funcs): New.
	(siginfo_make_value): New.
	(_initialize_infrun): Create the $_siginfo convenience variable.
	* gdbtypes.h (append_composite_type_field_aligned): Declare.
	* gdbtypes.c (append_composite_type_field): Rename to...
	(append_composite_type_field_aligned): ... this.  Add ALIGNMENT
	argument.  Handle it.
	(append_composite_type_field): Rewrite on top of
	append_composite_type_field_aligned.
	* value.h (internalvar_make_value): New typedef.
	(struct internalvar) <make_value>: New field.
	(create_internalvar_type_lazy): Declare.
	* value.c (create_internalvar): Clear make_value.
	(create_internalvar_type_lazy): New.
	(value_of_internalvar): If make_value is set use it.
	(preserve_values): Skip internal variables that don't have a
	value.
	* gdbarch.sh (get_siginfo_type): New.
	* gdbarch.h, gdbarch.c: Regenerate.

	* linux-tdep.h, linux-tdep.c: New.
	* amd64-linux-tdep.c: Include "linux-tdep.h".
	(amd64_linux_init_abi): Register linux_get_siginfo_type and
	linux_get_siginfo_mapper.
	* i386-linux-tdep.c: Include "linux-tdep.h".
	(i386_linux_init_abi): Register linux_get_siginfo_type and
	linux_get_siginfo_mapper.
	* arm-linux-tdep.c: Include "linux-tdep.h".
	(i386_linux_init_abi): Register linux_get_siginfo_type and
	linux_get_siginfo_mapper.

	* linux-nat.c (linux_xfer_siginfo): New.
	(linux_nat_xfer_partial): Handle TARGET_OBJECT_SIGNAL_INFO.
	* remote.c (PACKET_qXfer_siginfo_read)
	(PACKET_qXfer_siginfo_write): New.
	(feature remote_protocol_features): Add "qXfer:siginfo:read" and
	"qXfer:siginfo:write" features.
	(remote_xfer_partial): Handle TARGET_OBJECT_SIGNAL_INFO.
	(_initialize_remote): Add "set/show remote read-siginfo-object"
	and "set/show remote write-siginfo-object" commands.

	* Makefile.in (ALL_TARGET_OBS): Add linux-tdep.o.
	(HFILES_NO_SRCDIR): Add linux-tdep.h.
	(ALLDEPFILES): Add linux-tdep.c.

	* configure.tgt (arm*-*-linux* | arm*-*-uclinux*)
	(i[34567]86-*-linux*, x86_64-*-linux*): Add linux-tdep.o to
	gdb_target_obs.

2009-02-06  Pedro Alves  <pedro@codesourcery.com>

	gdb/gdbserver/
	* server.c (handle_query): Report qXfer:siginfo:read and
	qXfer:siginfo:write as supported and handle them.
	* target.h (struct target_ops) <qxfer_siginfo>: New field.
	* linux-low.c (linux_xfer_siginfo): New.
	(linux_target_ops): Set it.

2009-02-06  Pedro Alves  <pedro@codesourcery.com>

	gdb/doc/
	* gdb.texinfo (Signals): Document $_siginfo.
	(Convenience Variables): Mention $_siginfo.
	(Remote Configuration): Document qXfer:siginfo:read,
	qXfer:siginfo:write packets, and the read-siginfo-object,
	write-siginfo-object commands.

2009-02-06  Pedro Alves  <pedro@codesourcery.com>

	gdb/testsuite/
	* gdb.base/siginfo-obj.c, gdb.base/siginfo-obj.exp: New.
This commit is contained in:
Pedro Alves
2009-02-06 22:59:01 +00:00
parent 5f5233d48e
commit 4aa995e123
28 changed files with 962 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
gdb/gdbserver/server.c
View File

@@ -810,6 +810,77 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
return;
}
if (the_target->qxfer_siginfo != NULL
&& strncmp ("qXfer:siginfo:read:", own_buf, 19) == 0)
{
unsigned char *data;
int n;
CORE_ADDR ofs;
unsigned int len;
char *annex;
require_running (own_buf);
/* Reject any annex; grab the offset and length. */
if (decode_xfer_read (own_buf + 19, &annex, &ofs, &len) < 0
|| annex[0] != '\0')
{
strcpy (own_buf, "E00");
return;
}
/* Read one extra byte, as an indicator of whether there is
more. */
if (len > PBUFSIZ - 2)
len = PBUFSIZ - 2;
data = malloc (len + 1);
if (!data)
return;
n = (*the_target->qxfer_siginfo) (annex, data, NULL, ofs, len + 1);
if (n < 0)
write_enn (own_buf);
else if (n > len)
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
else
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
free (data);
return;
}
if (the_target->qxfer_siginfo != NULL
&& strncmp ("qXfer:siginfo:write:", own_buf, 20) == 0)
{
char *annex;
int n;
unsigned int len;
CORE_ADDR ofs;
unsigned char *data;
require_running (own_buf);
strcpy (own_buf, "E00");
data = malloc (packet_len - 19);
if (!data)
return;
if (decode_xfer_write (own_buf + 20, packet_len - 20, &annex,
&ofs, &len, data) < 0)
{
free (data);
return;
}
n = (*the_target->qxfer_siginfo)
(annex, NULL, (unsigned const char *)data, ofs, len);
if (n < 0)
write_enn (own_buf);
else
sprintf (own_buf, "%x", n);
free (data);
return;
}
/* Protocol features query. */
if (strncmp ("qSupported", own_buf, 10) == 0
&& (own_buf[10] == ':' || own_buf[10] == '\0'))
@@ -826,6 +897,9 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
if (the_target->qxfer_spu != NULL)
strcat (own_buf, ";qXfer:spu:read+;qXfer:spu:write+");
if (the_target->qxfer_siginfo != NULL)
strcat (own_buf, ";qXfer:siginfo:read+;qXfer:siginfo:write+");
/* We always report qXfer:features:read, as targets may
install XML files on a subsequent call to arch_setup.
If we reported to GDB on startup that we don't support