Move linux_find_memory_regions_full & co.

This should be just a move with no changes.

gdb/ChangeLog
2015-07-15  Aleksandar Ristovski  <aristovski@qnx.com
	    Jan Kratochvil  <jan.kratochvil@redhat.com>

	Move linux_find_memory_regions_full & co.
	* linux-tdep.c (nat/linux-maps.h): Include.
	(gdb_regex.h): Remove the include.
	(enum filterflags, struct smaps_vmflags, read_mapping, decode_vmflags)
	(mapping_is_anonymous_p, dump_mapping_p): Moved to nat/linux-maps.c.
	(linux_find_memory_region_ftype): Moved typedef to nat/linux-maps.h.
	(linux_find_memory_regions_full): Moved definition to nat/linux-maps.c.
	* nat/linux-maps.c: Include ctype.h, target/target-utils.h, gdb_regex.h
	and target/target.h.
	(struct smaps_vmflags, read_mapping, decode_vmflags)
	(mapping_is_anonymous_p, dump_mapping_p): Move from linux-tdep.c.
	(linux_find_memory_regions_full): Move from linux-tdep.c.
	* nat/linux-maps.h (read_mapping): New declaration.
	(linux_find_memory_region_ftype, enum filterflags): Moved from
	linux-tdep.c.
	(linux_find_memory_regions_full): New declaration.
	* target.c (target/target-utils.h): Include.
	(read_alloc_pread_ftype): Moved typedef to target/target-utils.h.
	(read_alloc, read_stralloc_func_ftype, read_stralloc): Moved
	definitions to target/target-utils.c.
	* target.h (target_fileio_read_stralloc): Move it to target/target.h.
	* target/target-utils.c (read_alloc, read_stralloc): Move definitions
	from target.c.
	* target/target-utils.h (read_alloc_pread_ftype): New typedef.
	(read_alloc): New declaration.
	(read_stralloc_func_ftype): New typedef.
	(read_stralloc): New declaration.
	* target/target.h (target_fileio_read_stralloc): Move it from target.h.

gdb/gdbserver/ChangeLog
2015-07-15  Aleksandar Ristovski  <aristovski@qnx.com
	    Jan Kratochvil  <jan.kratochvil@redhat.com>

	* target.c: Include target/target-utils.h and fcntl.h.
	(target_fileio_read_stralloc_1_pread, target_fileio_read_stralloc_1)
	(target_fileio_read_stralloc): New functions.

2 files changed, 43 insertions, 0 deletions

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index e269b97..f4896eb 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,10 @@
+2015-07-15  Aleksandar Ristovski  <aristovski@qnx.com
+	    Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* target.c: Include target/target-utils.h and fcntl.h.
+	(target_fileio_read_stralloc_1_pread, target_fileio_read_stralloc_1)
+	(target_fileio_read_stralloc): New functions.
+
 2015-07-15  Jan Kratochvil  <jan.kratochvil@redhat.com>
 
 	* Makefile.in (OBS): Add gdb_regex.o.
diff --git a/gdb/gdbserver/target.c b/gdb/gdbserver/target.c
index 14999e6..5525b1f 100644
--- a/gdb/gdbserver/target.c
+++ b/gdb/gdbserver/target.c
@@ -20,6 +20,8 @@
 
 #include "server.h"
 #include "tracepoint.h"
+#include "target/target-utils.h"
+#include <fcntl.h>
 
 struct target_ops *the_target;
 
@@ -218,3 +220,37 @@ kill_inferior (int pid)
 
   return (*the_target->kill) (pid);
 }
+
+static int
+target_fileio_read_stralloc_1_pread (int handle, gdb_byte *read_buf, int len,
+				     ULONGEST offset, int *target_errno)
+{
+  int retval = pread (handle, read_buf, len, offset);
+
+  *target_errno = errno;
+  return retval;
+}
+
+static LONGEST
+target_fileio_read_stralloc_1 (struct inferior *inf, const char *filename,
+			       gdb_byte **buf_p, int padding)
+{
+  int fd;
+  LONGEST retval;
+
+  fd = open (filename, O_RDONLY);
+  if (fd == -1)
+    return -1;
+
+  retval = read_alloc (buf_p, fd, target_fileio_read_stralloc_1_pread, padding);
+
+  close (fd);
+
+  return retval;
+}
+
+char *
+target_fileio_read_stralloc (struct inferior *inf, const char *filename)
+{
+  return read_stralloc (inf, filename, target_fileio_read_stralloc_1);
+}