Sync proc_service definition with GLIBC

diff --git a/gdb/aarch64-linux-nat.c b/gdb/aarch64-linux-nat.c
index e431637..65ca8ff 100644
--- a/gdb/aarch64-linux-nat.c
+++ b/gdb/aarch64-linux-nat.c
@@ -457,7 +457,7 @@  aarch64_linux_new_fork (struct lwp_info *parent, pid_t child_pid)
    storage (or its descriptor).  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
   int is_64bit_p
diff --git a/gdb/amd64-linux-nat.c b/gdb/amd64-linux-nat.c
index fea6ee2..5122b04 100644
--- a/gdb/amd64-linux-nat.c
+++ b/gdb/amd64-linux-nat.c
@@ -245,7 +245,7 @@  amd64_linux_store_inferior_registers (struct target_ops *ops,
    a request for a thread's local storage address.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
   if (gdbarch_bfd_arch_info (target_gdbarch ())->bits_per_word == 32)
diff --git a/gdb/arm-linux-nat.c b/gdb/arm-linux-nat.c
index d77ca93..d11bdc6 100644
--- a/gdb/arm-linux-nat.c
+++ b/gdb/arm-linux-nat.c
@@ -477,7 +477,7 @@  supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/gdb_proc_service.h b/gdb/gdb_proc_service.h
index 38b98fc..0a9f26d 100644
--- a/gdb/gdb_proc_service.h
+++ b/gdb/gdb_proc_service.h
@@ -124,7 +124,7 @@  extern pid_t ps_getpid (struct ps_prochandle *);
 /* Fetch the special per-thread address associated with the given LWP.
    This call is only used on a few platforms (most use a normal register).
    The meaning of the `int' parameter is machine-dependent.  */
-extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
+extern ps_err_e ps_get_thread_area (struct ps_prochandle *,
 				    lwpid_t, int, psaddr_t *);
 
 
diff --git a/gdb/gdbserver/gdb_proc_service.h b/gdb/gdbserver/gdb_proc_service.h
index 99bf226..cec9231 100644
--- a/gdb/gdbserver/gdb_proc_service.h
+++ b/gdb/gdbserver/gdb_proc_service.h
@@ -107,7 +107,7 @@  extern pid_t ps_getpid (struct ps_prochandle *);
 /* Fetch the special per-thread address associated with the given LWP.
    This call is only used on a few platforms (most use a normal register).
    The meaning of the `int' parameter is machine-dependent.  */
-extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
+extern ps_err_e ps_get_thread_area (struct ps_prochandle *,
 				    lwpid_t, int, psaddr_t *);
 
 
diff --git a/gdb/gdbserver/linux-aarch64-low.c b/gdb/gdbserver/linux-aarch64-low.c
index 6efa035..e54a8ba 100644
--- a/gdb/gdbserver/linux-aarch64-low.c
+++ b/gdb/gdbserver/linux-aarch64-low.c
@@ -401,7 +401,7 @@  aarch64_stopped_by_watchpoint (void)
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
   return aarch64_ps_get_thread_area (ph, lwpid, idx, base,
diff --git a/gdb/gdbserver/linux-arm-low.c b/gdb/gdbserver/linux-arm-low.c
index e1261e5..ed9b356 100644
--- a/gdb/gdbserver/linux-arm-low.c
+++ b/gdb/gdbserver/linux-arm-low.c
@@ -270,7 +270,7 @@  get_next_pcs_read_memory_unsigned_integer (CORE_ADDR memaddr,
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/gdbserver/linux-crisv32-low.c b/gdb/gdbserver/linux-crisv32-low.c
index 16c1f72..fea6d5b 100644
--- a/gdb/gdbserver/linux-crisv32-low.c
+++ b/gdb/gdbserver/linux-crisv32-low.c
@@ -309,7 +309,7 @@  cris_stopped_data_address (void)
 }
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/gdbserver/linux-m68k-low.c b/gdb/gdbserver/linux-m68k-low.c
index df3d7c6..78a340f 100644
--- a/gdb/gdbserver/linux-m68k-low.c
+++ b/gdb/gdbserver/linux-m68k-low.c
@@ -152,7 +152,7 @@  m68k_breakpoint_at (CORE_ADDR pc)
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/gdbserver/linux-mips-low.c b/gdb/gdbserver/linux-mips-low.c
index 30a03d5..9356bb3 100644
--- a/gdb/gdbserver/linux-mips-low.c
+++ b/gdb/gdbserver/linux-mips-low.c
@@ -637,7 +637,7 @@  mips_stopped_data_address (void)
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/gdbserver/linux-nios2-low.c b/gdb/gdbserver/linux-nios2-low.c
index a32bc1a..02fe198 100644
--- a/gdb/gdbserver/linux-nios2-low.c
+++ b/gdb/gdbserver/linux-nios2-low.c
@@ -145,7 +145,7 @@  nios2_breakpoint_at (CORE_ADDR where)
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/gdbserver/linux-tic6x-low.c b/gdb/gdbserver/linux-tic6x-low.c
index e40a3af..6b90560 100644
--- a/gdb/gdbserver/linux-tic6x-low.c
+++ b/gdb/gdbserver/linux-tic6x-low.c
@@ -274,7 +274,7 @@  tic6x_breakpoint_at (CORE_ADDR where)
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/gdbserver/linux-x86-low.c b/gdb/gdbserver/linux-x86-low.c
index d6b67c1..fd87b23 100644
--- a/gdb/gdbserver/linux-x86-low.c
+++ b/gdb/gdbserver/linux-x86-low.c
@@ -186,7 +186,7 @@  is_64bit_tdesc (void)
 /* Called by libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
 #ifdef __x86_64__
diff --git a/gdb/gdbserver/linux-xtensa-low.c b/gdb/gdbserver/linux-xtensa-low.c
index 6e945ea..431082c 100644
--- a/gdb/gdbserver/linux-xtensa-low.c
+++ b/gdb/gdbserver/linux-xtensa-low.c
@@ -177,7 +177,7 @@  xtensa_breakpoint_at (CORE_ADDR where)
 /* Called by libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
   xtensa_elf_gregset_t regs;
diff --git a/gdb/i386-linux-nat.c b/gdb/i386-linux-nat.c
index a41ee21..70d954f 100644
--- a/gdb/i386-linux-nat.c
+++ b/gdb/i386-linux-nat.c
@@ -603,7 +603,7 @@  i386_linux_store_inferior_registers (struct target_ops *ops,
    storage (or its descriptor).  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
 		    lwpid_t lwpid, int idx, void **base)
 {
   unsigned int base_addr;
diff --git a/gdb/m68klinux-nat.c b/gdb/m68klinux-nat.c
index 24b6242..5b8684b 100644
--- a/gdb/m68klinux-nat.c
+++ b/gdb/m68klinux-nat.c
@@ -508,7 +508,7 @@  m68k_linux_store_inferior_registers (struct target_ops *ops,
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph, 
+ps_get_thread_area (struct ps_prochandle *ph, 
 		    lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) < 0)
diff --git a/gdb/mips-linux-nat.c b/gdb/mips-linux-nat.c
index bfe9fcb..0f20f16 100644
--- a/gdb/mips-linux-nat.c
+++ b/gdb/mips-linux-nat.c
@@ -152,7 +152,7 @@  mips64_linux_register_addr (struct gdbarch *gdbarch, int regno, int store)
 /* Fetch the thread-local storage pointer for libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
   if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
diff --git a/gdb/nat/aarch64-linux.c b/gdb/nat/aarch64-linux.c
index 5ae5aa8..1828977 100644
--- a/gdb/nat/aarch64-linux.c
+++ b/gdb/nat/aarch64-linux.c
@@ -205,7 +205,7 @@  aarch64_siginfo_from_compat_siginfo (siginfo_t *to, compat_siginfo_t *from)
    storage (or its descriptor).  */
 
 ps_err_e
-aarch64_ps_get_thread_area (const struct ps_prochandle *ph,
+aarch64_ps_get_thread_area (struct ps_prochandle *ph,
 			    lwpid_t lwpid, int idx, void **base,
 			    int is_64bit_p)
 {
diff --git a/gdb/nat/aarch64-linux.h b/gdb/nat/aarch64-linux.h
index 7221982..aac7c68 100644
--- a/gdb/nat/aarch64-linux.h
+++ b/gdb/nat/aarch64-linux.h
@@ -122,7 +122,7 @@  void aarch64_linux_prepare_to_resume (struct lwp_info *lwp);
 
 void aarch64_linux_new_thread (struct lwp_info *lwp);
 
-ps_err_e aarch64_ps_get_thread_area (const struct ps_prochandle *ph,
+ps_err_e aarch64_ps_get_thread_area (struct ps_prochandle *ph,
 				       lwpid_t lwpid, int idx, void **base,
 				       int is_64bit_p);
 
diff --git a/gdb/xtensa-linux-nat.c b/gdb/xtensa-linux-nat.c
index 54da837..836d3f8 100644
--- a/gdb/xtensa-linux-nat.c
+++ b/gdb/xtensa-linux-nat.c
@@ -286,7 +286,7 @@  xtensa_linux_store_inferior_registers (struct target_ops *ops,
 /* Called by libthread_db.  */
 
 ps_err_e
-ps_get_thread_area (const struct ps_prochandle *ph,
+ps_get_thread_area (struct ps_prochandle *ph,
                     lwpid_t lwpid, int idx, void **base)
 {
   xtensa_elf_gregset_t regs;