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[PATCH] Change len's type to ULONGEST: remote_read_bytes and get_core_siginfo

Functions remote_read_bytes and get_core_siginfo are the callees of
target to_xfer_partial interface, so argument 'len' should be changed
to type ULONGEST.

Regression tested on x86_64-linux.


2014-01-22  Yao Qi  <>

	* corelow.c (get_core_siginfo): Change type of len to ULONGEST.
	* remote.c (remote_read_bytes): Likewise.  Don't check 'len'
	is negative.

 gdb/corelow.c |    2 +-
 gdb/remote.c  |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gdb/corelow.c b/gdb/corelow.c
index d4c1c16..2d4a719 100644
--- a/gdb/corelow.c
+++ b/gdb/corelow.c
@@ -649,7 +649,7 @@ add_to_spuid_list (bfd *abfd, asection *asect, void *list_p)
    the to_xfer_partial interface.  */
 static LONGEST
-get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, LONGEST len)
+get_core_siginfo (bfd *abfd, gdb_byte *readbuf, ULONGEST offset, ULONGEST len)
   asection *section;
   char *section_name;
diff --git a/gdb/remote.c b/gdb/remote.c
index 15e7394..7297df0 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -7039,7 +7039,7 @@ remote_write_bytes (CORE_ADDR memaddr, const gdb_byte *myaddr, ULONGEST len)
    target_xfer_error' value) for error.  */
 static LONGEST
-remote_read_bytes (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
+remote_read_bytes (CORE_ADDR memaddr, gdb_byte *myaddr, ULONGEST len)
   struct remote_state *rs = get_remote_state ();
   int max_buf_size;		/* Max size of packet output buffer.  */
@@ -7047,7 +7047,7 @@ remote_read_bytes (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
   int todo;
   int i;
-  if (len <= 0)
+  if (len == 0)
     return 0;
   max_buf_size = get_memory_read_packet_size ();

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