Introduce target/target.h

This introduces target/target.h.  This file declares some functions
that the shared code can use and that clients must implement.  It also
changes some shared code to use these functions.

gdb/ChangeLog:

	* target/target.h: New file.
	* Makefile.in (HFILES_NO_SRCDIR): Add target/target.h.
	* target.h: Include target/target.h.
	(target_read_memory, target_write_memory): Don't declare.
	* target.c (target_read_uint32): New function.
	* common/agent.c: Include target/target.h.
	[!GDBSERVER]: Don't include target.h.
	(helper_thread_id): Type changed to uint32_t.
	(agent_get_helper_thread_id): Use target_read_uint32.
	(agent_run_command): Always use target_read_memory and
	target_write_memory.
	(agent_capability): Type changed to uint32_t.
	(agent_capability_check): Use target_read_uint32.

gdb/gdbserver/ChangeLog:

	* target.h: Include target/target.h.
	* target.c (target_read_memory, target_read_uint32)
	(target_write_memory): New functions.

1 files changed, 24 insertions, 0 deletions

diff --git a/gdb/gdbserver/target.c b/gdb/gdbserver/target.c
index dcad5c9..08506e5 100644
--- a/gdb/gdbserver/target.c
+++ b/gdb/gdbserver/target.c
@@ -48,6 +48,22 @@ read_inferior_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
   return res;
 }
 
+/* See target/target.h.  */
+
+int
+target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len)
+{
+  return read_inferior_memory (memaddr, myaddr, len);
+}
+
+/* See target/target.h.  */
+
+int
+target_read_uint32 (CORE_ADDR memaddr, uint32_t *result)
+{
+  return read_inferior_memory (memaddr, (gdb_byte *) result, sizeof (*result));
+}
+
 int
 write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
 		       int len)
@@ -71,6 +87,14 @@ write_inferior_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
   return res;
 }
 
+/* See target/target.h.  */
+
+int
+target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, ssize_t len)
+{
+  return write_inferior_memory (memaddr, myaddr, len);
+}
+
 ptid_t
 mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
 	int connected_wait)