gdbserver: turn target ops 'read_memory' and 'write_memory' into methods

gdbserver/ChangeLog:
2020-02-20  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	Turn process_stratum_target's read_memory and write_memory
	ops into methods of process_target.

	* target.h (struct process_stratum_target): Remove the target ops.
	(class process_target): Add the target ops.

	Update the derived classes and callers below.

	* linux-aarch32-low.cc (arm_breakpoint_at): Update.
	* linux-aarch64-low.cc (aarch64_breakpoint_at): Update.
	* linux-arm-low.cc (arm_sigreturn_next_pc): Update.
	(arm_get_syscall_trapinfo): Update.
	* linux-cris-low.cc (cris_breakpoint_at): Update.
	* linux-crisv32-low.cc (cris_breakpoint_at): Update.
	* linux-m32r-low.cc (m32r_breakpoint_at): Update.
	* linux-mips-low.cc (mips_breakpoint_at): Update.
	* linux-nios2-low.cc (nios2_breakpoint_at): Update.
	* linux-ppc-low.cc (ppc_breakpoint_at): Update.
	* linux-sh-low.cc (sh_breakpoint_at): Update.
	* linux-sparc-low.cc (sparc_fill_gregset_to_stack): Update.
	(sparc_store_gregset_from_stack): Update.
	(sparc_breakpoint_at): Update.
	* linux-tic6x-low.cc (tic6x_breakpoint_at): Update.
	* linux-tile-low.cc (tile_breakpoint_at): Update.
	* linux-x86-low.cc (x86_breakpoint_at): Update.
	* linux-xtensa-low.cc (xtensa_breakpoint_at): Update.
	* mem-brea.cc (insert_memory_breakpoint): Update.
	(validate_inserted_breakpoint): Update.
	* target.cc (read_inferior_memory): Update.
	(target_write_memory): Update.
	* linux-low.cc (linux_target_ops): Update.
	(linux_read_memory): Make a wrapper around the read_memory target
	op call.
	(linux_process_target::read_memory): Rename from linux_read_memory.
	(linux_write_memory): Turn into ...
	(linux_process_target::write_memory): ... this.
	* linux-low.h (class linux_process_target): Update.
	* lynx-low.cc (lynx_target_ops): Update.
	(lynx_read_memory): Turn into ...
	(lynx_process_target::read_memory): ... this.
	(lynx_write_memory): Turn into ...
	(lynx_process_target::write_memory): ... this.
	* lynx-low.h (class lynx_process_target): Update.
	* nto-low.cc (nto_target_ops): Update.
	(nto_read_memory): Turn into ...
	(nto_process_target::read_memory): ... this.
	(nto_write_memory): Turn into ...
	(nto_process_target::write_memory): ... this.
	* nto-low.h (class nto_process_target): Update.
	* win32-low.cc (win32_target_ops): Update.
	(win32_read_inferior_memory): Turn into ...
	(win32_process_target::read_memory): ... this.
	(win32_write_inferior_memory): Turn into ...
	(win32_process_target::write_memory): ... this.
	* win32-low.h (class win32_process_target): Update.

1 files changed, 14 insertions, 6 deletions

diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index 6f408ad..1a790e5 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -5709,12 +5709,21 @@ linux_process_target::store_registers (regcache *regcache, int regno)
 }
 
 
-/* Copy LEN bytes from inferior's memory starting at MEMADDR
-   to debugger memory starting at MYADDR.  */
+/* A wrapper for the read_memory target op.  */
 
 static int
 linux_read_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
 {
+  return the_target->pt->read_memory (memaddr, myaddr, len);
+}
+
+/* Copy LEN bytes from inferior's memory starting at MEMADDR
+   to debugger memory starting at MYADDR.  */
+
+int
+linux_process_target::read_memory (CORE_ADDR memaddr,
+				   unsigned char *myaddr, int len)
+{
   int pid = lwpid_of (current_thread);
   PTRACE_XFER_TYPE *buffer;
   CORE_ADDR addr;
@@ -5801,8 +5810,9 @@ linux_read_memory (CORE_ADDR memaddr, unsigned char *myaddr, int len)
    memory at MEMADDR.  On failure (cannot write to the inferior)
    returns the value of errno.  Always succeeds if LEN is zero.  */
 
-static int
-linux_write_memory (CORE_ADDR memaddr, const unsigned char *myaddr, int len)
+int
+linux_process_target::write_memory (CORE_ADDR memaddr,
+				    const unsigned char *myaddr, int len)
 {
   int i;
   /* Round starting address down to longword boundary.  */
@@ -7359,8 +7369,6 @@ linux_get_hwcap2 (int wordsize)
 static linux_process_target the_linux_target;
 
 static process_stratum_target linux_target_ops = {
-  linux_read_memory,
-  linux_write_memory,
   linux_look_up_symbols,
   linux_request_interrupt,
   linux_read_auxv,