Remove {fetch,store}_fpregister and {fetch,store}_register

This patch is to remove fetch_fpregister, fech_register,
store_fpregister and store_register, and use fetch_fpregs,
fetch_regs, store_regs, and store_fpregs instead.

gdb:

2015-07-07  Yao Qi  <yao.qi@linaro.org>

	* arm-linux-nat.c (store_fpregister): Remove.
	(store_register): Likewise.
	(fetch_fpregister): Likewise.
	(fetch_register): Likewise.
	(arm_linux_store_inferior_registers): Call store_regs and
	store_fpregs instead.
	(arm_linux_fetch_inferior_registers): Call fetch_fpregs and
	fetch_regs instead.

2 files changed, 15 insertions, 219 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index d6d45bf..5cfd3ae 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,14 @@
+2015-07-07  Yao Qi  <yao.qi@linaro.org>
+
+	* arm-linux-nat.c (store_fpregister): Remove.
+	(store_register): Likewise.
+	(fetch_fpregister): Likewise.
+	(fetch_register): Likewise.
+	(arm_linux_store_inferior_registers): Call store_regs and
+	store_fpregs instead.
+	(arm_linux_fetch_inferior_registers): Call fetch_fpregs and
+	fetch_regs instead.
+
 2015-07-06  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* doc/gdb.texinfo (TUI): Restructure documentation on TUI layout
diff --git a/gdb/arm-linux-nat.c b/gdb/arm-linux-nat.c
index c167bce..5a8880f 100644
--- a/gdb/arm-linux-nat.c
+++ b/gdb/arm-linux-nat.c
@@ -82,47 +82,6 @@ get_thread_id (ptid_t ptid)
 
 #define GET_THREAD_ID(PTID)	get_thread_id (PTID)
 
-/* Get the value of a particular register from the floating point
-   state of the process and store it into regcache.  */
-
-static void
-fetch_fpregister (struct regcache *regcache, int regno)
-{
-  int ret, tid;
-  gdb_byte fp[ARM_LINUX_SIZEOF_NWFPE];
-
-  /* Get the thread id for the ptrace call.  */
-  tid = GET_THREAD_ID (inferior_ptid);
-
-  /* Read the floating point state.  */
-  if (have_ptrace_getregset == TRIBOOL_TRUE)
-    {
-      struct iovec iov;
-
-      iov.iov_base = &fp;
-      iov.iov_len = ARM_LINUX_SIZEOF_NWFPE;
-
-      ret = ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iov);
-    }
-  else
-    ret = ptrace (PT_GETFPREGS, tid, 0, fp);
-
-  if (ret < 0)
-    {
-      warning (_("Unable to fetch floating point register."));
-      return;
-    }
-
-  /* Fetch fpsr.  */
-  if (ARM_FPS_REGNUM == regno)
-    regcache_raw_supply (regcache, ARM_FPS_REGNUM,
-			 fp + NWFPE_FPSR_OFFSET);
-
-  /* Fetch the floating point register.  */
-  if (regno >= ARM_F0_REGNUM && regno <= ARM_F7_REGNUM)
-    supply_nwfpe_register (regcache, regno, fp);
-}
-
 /* Get the whole floating point state of the process and store it
    into regcache.  */
 
@@ -163,65 +122,6 @@ fetch_fpregs (struct regcache *regcache)
     supply_nwfpe_register (regcache, regno, fp);
 }
 
-/* Save a particular register into the floating point state of the
-   process using the contents from regcache.  */
-
-static void
-store_fpregister (const struct regcache *regcache, int regno)
-{
-  int ret, tid;
-  gdb_byte fp[ARM_LINUX_SIZEOF_NWFPE];
-
-  /* Get the thread id for the ptrace call.  */
-  tid = GET_THREAD_ID (inferior_ptid);
-
-  /* Read the floating point state.  */
-  if (have_ptrace_getregset == TRIBOOL_TRUE)
-    {
-      struct iovec iov;
-
-      iov.iov_base = &fp;
-      iov.iov_len = ARM_LINUX_SIZEOF_NWFPE;
-
-      ret = ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iov);
-    }
-  else
-    ret = ptrace (PT_GETFPREGS, tid, 0, fp);
-
-  if (ret < 0)
-    {
-      warning (_("Unable to fetch the floating point registers."));
-      return;
-    }
-
-  /* Store fpsr.  */
-  if (ARM_FPS_REGNUM == regno
-      && REG_VALID == regcache_register_status (regcache, ARM_FPS_REGNUM))
-    regcache_raw_collect (regcache, ARM_FPS_REGNUM, fp + NWFPE_FPSR_OFFSET);
-
-  /* Store the floating point register.  */
-  if (regno >= ARM_F0_REGNUM && regno <= ARM_F7_REGNUM)
-    collect_nwfpe_register (regcache, regno, fp);
-
-  if (have_ptrace_getregset == TRIBOOL_TRUE)
-    {
-      struct iovec iov;
-
-      iov.iov_base = &fp;
-      iov.iov_len = ARM_LINUX_SIZEOF_NWFPE;
-
-      ret = ptrace (PTRACE_SETREGSET, tid, NT_FPREGSET, &iov);
-    }
-  else
-    ret = ptrace (PTRACE_SETFPREGS, tid, 0, fp);
-
-  if (ret < 0)
-    {
-      warning (_("Unable to store floating point register."));
-      return;
-    }
-}
-
 /* Save the whole floating point state of the process using
    the contents from regcache.  */
 
@@ -282,59 +182,6 @@ store_fpregs (const struct regcache *regcache)
     }
 }
 
-/* Fetch a general register of the process and store into
-   regcache.  */
-
-static void
-fetch_register (struct regcache *regcache, int regno)
-{
-  int ret, tid;
-  elf_gregset_t regs;
-
-  /* Get the thread id for the ptrace call.  */
-  tid = GET_THREAD_ID (inferior_ptid);
-
-  if (have_ptrace_getregset == TRIBOOL_TRUE)
-    {
-      struct iovec iov;
-
-      iov.iov_base = &regs;
-      iov.iov_len = sizeof (regs);
-
-      ret = ptrace (PTRACE_GETREGSET, tid, NT_PRSTATUS, &iov);
-    }
-  else
-    ret = ptrace (PTRACE_GETREGS, tid, 0, &regs);
-
-  if (ret < 0)
-    {
-      warning (_("Unable to fetch general register."));
-      return;
-    }
-
-  if (regno >= ARM_A1_REGNUM && regno < ARM_PC_REGNUM)
-    regcache_raw_supply (regcache, regno, (char *) &regs[regno]);
-
-  if (ARM_PS_REGNUM == regno)
-    {
-      if (arm_apcs_32)
-        regcache_raw_supply (regcache, ARM_PS_REGNUM,
-			     (char *) &regs[ARM_CPSR_GREGNUM]);
-      else
-        regcache_raw_supply (regcache, ARM_PS_REGNUM,
-			     (char *) &regs[ARM_PC_REGNUM]);
-    }
-    
-  if (ARM_PC_REGNUM == regno)
-    { 
-      regs[ARM_PC_REGNUM] = gdbarch_addr_bits_remove
-			      (get_regcache_arch (regcache),
-			       regs[ARM_PC_REGNUM]);
-      regcache_raw_supply (regcache, ARM_PC_REGNUM,
-			   (char *) &regs[ARM_PC_REGNUM]);
-    }
-}
-
 /* Fetch all general registers of the process and store into
    regcache.  */
 
@@ -381,68 +228,6 @@ fetch_regs (struct regcache *regcache)
 		       (char *) &regs[ARM_PC_REGNUM]);
 }
 
-/* Store all general registers of the process from the values in
-   regcache.  */
-
-static void
-store_register (const struct regcache *regcache, int regno)
-{
-  int ret, tid;
-  elf_gregset_t regs;
-  
-  if (REG_VALID != regcache_register_status (regcache, regno))
-    return;
-
-  /* Get the thread id for the ptrace call.  */
-  tid = GET_THREAD_ID (inferior_ptid);
-
-  /* Get the general registers from the process.  */
-  if (have_ptrace_getregset == TRIBOOL_TRUE)
-    {
-      struct iovec iov;
-
-      iov.iov_base = &regs;
-      iov.iov_len = sizeof (regs);
-
-      ret = ptrace (PTRACE_GETREGSET, tid, NT_PRSTATUS, &iov);
-    }
-  else
-    ret = ptrace (PTRACE_GETREGS, tid, 0, &regs);
-
-  if (ret < 0)
-    {
-      warning (_("Unable to fetch general registers."));
-      return;
-    }
-
-  if (regno >= ARM_A1_REGNUM && regno <= ARM_PC_REGNUM)
-    regcache_raw_collect (regcache, regno, (char *) &regs[regno]);
-  else if (arm_apcs_32 && regno == ARM_PS_REGNUM)
-    regcache_raw_collect (regcache, regno,
-			 (char *) &regs[ARM_CPSR_GREGNUM]);
-  else if (!arm_apcs_32 && regno == ARM_PS_REGNUM)
-    regcache_raw_collect (regcache, ARM_PC_REGNUM,
-			 (char *) &regs[ARM_PC_REGNUM]);
-
-  if (have_ptrace_getregset == TRIBOOL_TRUE)
-    {
-      struct iovec iov;
-
-      iov.iov_base = &regs;
-      iov.iov_len = sizeof (regs);
-
-      ret = ptrace (PTRACE_SETREGSET, tid, NT_PRSTATUS, &iov);
-    }
-  else
-    ret = ptrace (PTRACE_SETREGS, tid, 0, &regs);
-
-  if (ret < 0)
-    {
-      warning (_("Unable to store general register."));
-      return;
-    }
-}
-
 static void
 store_regs (const struct regcache *regcache)
 {
@@ -694,9 +479,9 @@ arm_linux_fetch_inferior_registers (struct target_ops *ops,
   else 
     {
       if (regno < ARM_F0_REGNUM || regno == ARM_PS_REGNUM)
-        fetch_register (regcache, regno);
+	fetch_regs (regcache);
       else if (regno >= ARM_F0_REGNUM && regno <= ARM_FPS_REGNUM)
-        fetch_fpregister (regcache, regno);
+	fetch_fpregs (regcache);
       else if (tdep->have_wmmx_registers
 	       && regno >= ARM_WR0_REGNUM && regno <= ARM_WCGR7_REGNUM)
 	fetch_wmmx_regs (regcache);
@@ -730,9 +515,9 @@ arm_linux_store_inferior_registers (struct target_ops *ops,
   else
     {
       if (regno < ARM_F0_REGNUM || regno == ARM_PS_REGNUM)
-        store_register (regcache, regno);
+	store_regs (regcache);
       else if ((regno >= ARM_F0_REGNUM) && (regno <= ARM_FPS_REGNUM))
-        store_fpregister (regcache, regno);
+	store_fpregs (regcache);
       else if (tdep->have_wmmx_registers
 	       && regno >= ARM_WR0_REGNUM && regno <= ARM_WCGR7_REGNUM)
 	store_wmmx_regs (regcache);