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gdbserver: add gdbserver support for vFile::stat packet

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After the previous two commits, this commit adds support for the
vFile::stat packet to gdbserver.  This is pretty similar to the
handling for vFile::fstat, but instead calls 'lstat'.

There's still no users of target_fileio_stat in GDB, that will come in
a later commit.
This commit is contained in:
Andrew Burgess 2024-05-21 15:58:41 +01:00
parent 3055e3d2f1
commit 6d45af96ea
1 changed files with 38 additions and 0 deletions
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38
gdbserver/hostio.cc
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@ -486,6 +486,42 @@ handle_fstat (char *own_buf, int *new_packet_len)
write_enn (own_buf);
}
static void
handle_stat (char *own_buf, int *new_packet_len)
{
int bytes_sent;
char *p;
struct stat st;
struct fio_stat fst;
char filename[HOSTIO_PATH_MAX];
p = own_buf + strlen ("vFile:stat:");
if (require_filename (&p, filename)
|| require_end (p))
{
hostio_packet_error (own_buf);
return;
}
if (lstat (filename, &st) == -1)
{
hostio_error (own_buf);
return;
}
host_to_fileio_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)
{
@ -603,6 +639,8 @@ handle_vFile (char *own_buf, int packet_len, int *new_packet_len)
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:stat:"))
handle_stat (own_buf, new_packet_len);
else if (startswith (own_buf, "vFile:close:"))
handle_close (own_buf);
else if (startswith (own_buf, "vFile:unlink:"))