* remote.c (struct remote_state): Add BUF and BUF_SIZE.

	(init_remote_state): Initialize the new fields.
	(get_memory_packet_size): Update BUF and BUF_SIZE if necessary.
	(set_thread, remote_thread_alive, remote_unpack_thread_info_response)
	(remote_get_threadinfo, parse_threadlist_response)
	(remote_get_threadlist, remote_current_thread, remote_threads_info)
	(remote_threads_extra_info, extended_remote_restart, get_offsets)
	(remote_check_symbols, remote_open_1, remote_detach)
	(remove_vcont_probe, remote_vcont_resume, remote_resume)
	(remote_wait, remote_async_wait, fetch_register_using_p)
	(remote_fetch_registers, store_register_using_P)
	(remote_store_registers, check_binary_download, remote_write_bytes)
	(remote_read_bytes, remote_insert_breakpoint)
	(remote_remove_breakpoint, remote_insert_watchpoint)
	(remote_remove_watchpoint, remote_insert_hw_breakpoint)
	(remote_remove_hw_breakpoint, compare_sections_command)
	(remote_xfer_partial, remote_rcmd, packet_command)
	(remote_get_thread_local_address): Use the global incoming buffer
	instead of alloca or xmalloc.  Limit outgoing packets to
	rs->remote_packet_size and incoming packets to rs->buf_size.
	Update calls to getpkt and remote_send.
	(remote_send): Take arguments by reference.
	(putpkt_binary): Eliminate junkbuf.  Use skip_frame.
	(skip_frame): New function.
	(read_frame): Take arguments by reference.  Expand the packet
	buffer instead of issuing an error.
	(getpkt, getpkt_sane): Take arguments by reference.
	* remote.h (getpkt): Update prototype and doc.
	* tracepoint.c (remote_get_noisy_reply): Take arguments by
	reference.
	(target_buf): Change from array to pointer.
	(target_buf_size): New variable.
	(remote_set_transparent_ranges): Update call to getpkt.
	(trace_start_command, trace_stop_command, trace_status_command):
	Update calls to remote_get_noisy_reply.
	(finish_tfind_command): Take arguments by reference.
	(trace_find_command, trace_find_pc_command)
	(trace_find_tracepoint_command, trace_find_line_command):
	(trace_find_range_command, trace_find_outside_command): Update
	calls to finish_tfind_command.
	(_initialize_tracepoint): Initialize target_buf_size and target_buf.

1 files changed, 5 insertions, 4 deletions

diff --git a/gdb/remote.h b/gdb/remote.h
index ee34f63..c715e58 100644
--- a/gdb/remote.h
+++ b/gdb/remote.h
@@ -24,11 +24,12 @@
 /* FIXME?: move this interface down to tgt vector) */
 
 /* Read a packet from the remote machine, with error checking, and
-   store it in BUF.  BUF is expected to be of size PBUFSIZ.  If
-   FOREVER, wait forever rather than timing out; this is used while
-   the target is executing user code.  */
+   store it in *BUF.  Resize *BUF using xrealloc if necessary to hold
+   the result, and update *SIZEOF_BUF.  If FOREVER, wait forever
+   rather than timing out; this is used (in synchronous mode) to wait
+   for a target that is is executing user code to stop.  */
 
-extern void getpkt (char *buf, long sizeof_buf, int forever);
+extern void getpkt (char **buf, long *sizeof_buf, int forever);
 
 /* Send a packet to the remote machine, with error checking.  The data
    of the packet is in BUF.  The string in BUF can be at most PBUFSIZ