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Implement vFile:fstat: in gdbserver

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This commit implements the "vFile:fstat:" packet in gdbserver.

gdb/gdbserver/ChangeLog:

	* hostio.c (sys/types.h): New include.
	(sys/stat.h): Likewise.
	(common-remote-fileio.h): Likewise.
	(handle_fstat): New function.
	(handle_vFile): Handle vFile:fstat packets.
	* server.c (handle_query): Report vFile:fstat as supported.
This commit is contained in:
Gary Benson 2015-03-11 17:53:57 +00:00
parent 0a93529c56
commit aa9e327f1e
3 changed files with 52 additions and 0 deletions
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9
gdb/gdbserver/ChangeLog
View file

@ -1,3 +1,12 @@
2015-03-11 Gary Benson <gbenson@redhat.com>
* hostio.c (sys/types.h): New include.
(sys/stat.h): Likewise.
(common-remote-fileio.h): Likewise.
(handle_fstat): New function.
(handle_vFile): Handle vFile:fstat packets.
* server.c (handle_query): Report vFile:fstat as supported.
2015-03-11 Gary Benson <gbenson@redhat.com>
* configure.ac (AC_CHECK_MEMBERS): Add checks for

41
gdb/gdbserver/hostio.c
View file

@ -25,6 +25,9 @@
#include <fcntl.h>
#include <limits.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "common-remote-fileio.h"
extern int remote_debug;
@ -411,6 +414,42 @@ handle_pwrite (char *own_buf, int packet_len)
free (data);
}
static void
handle_fstat (char *own_buf, int *new_packet_len)
{
int fd, bytes_sent;
char *p;
struct stat st;
struct fio_stat fst;
p = own_buf + strlen ("vFile:fstat:");
if (require_int (&p, &fd)
|| require_valid_fd (fd)
|| require_end (p))
{
hostio_packet_error (own_buf);
return;
}
if (fstat (fd, &st) == -1)
{
hostio_error (own_buf);
return;
}
remote_fileio_to_fio_stat (&st, &fst);
bytes_sent = hostio_reply_with_data (own_buf,
(char *) &fst, sizeof (fst),
new_packet_len);
/* If the response does not fit into a single packet, do not attempt
to return a partial response, but simply fail. */
if (bytes_sent < sizeof (fst))
write_enn (own_buf);
}
static void
handle_close (char *own_buf)
{
@ -517,6 +556,8 @@ handle_vFile (char *own_buf, int packet_len, int *new_packet_len)
handle_pread (own_buf, new_packet_len);
else if (startswith (own_buf, "vFile:pwrite:"))
handle_pwrite (own_buf, packet_len);
else if (startswith (own_buf, "vFile:fstat:"))
handle_fstat (own_buf, new_packet_len);
else if (startswith (own_buf, "vFile:close:"))
handle_close (own_buf);
else if (startswith (own_buf, "vFile:unlink:"))

2
gdb/gdbserver/server.c
View file

@ -2082,6 +2082,8 @@ handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
if (target_supports_stopped_by_hw_breakpoint ())
strcat (own_buf, ";hwbreak+");
strcat (own_buf, ";vFile:fstat+");
return;
}