Constify more

[deliverable/binutils-gdb.git] / gas / config / tc-epiphany.c

diff --git a/gas/config/tc-epiphany.c b/gas/config/tc-epiphany.c
old mode 100755 (executable)
new mode 100644 (file)
index 6cc7d66..f35198e
--- a/gas/config/tc-epiphany.c
+++ b/gas/config/tc-epiphany.c
@@ -1,5 +1,5 @@
 /* tc-epiphany.c -- Assembler for the Adapteva EPIPHANY
-   Copyright 2009, 2011 Free Software Foundation, Inc.
+   Copyright (C) 2009-2016 Free Software Foundation, Inc.
    Contributed by Embecosm on behalf of Adapteva, Inc.
 
    This file is part of GAS, the GNU Assembler.
@@ -69,38 +69,18 @@ epiphany_elf_section_rtn (int i)
 
   if (force_code_align)
     {
-      /* The s_align_ptwo function expects that we are just after a .align
-        directive and it will either try and read the align value or stop
-        if end of line so we must fake it out so it thinks we are at the
-        end of the line.  */
-      char *old_input_line_pointer = input_line_pointer;
-
-      input_line_pointer = "\n";
-      s_align_ptwo (1);
+      do_align (1, NULL, 0, 0);
       force_code_align = FALSE;
-
-      /* Restore.  */
-      input_line_pointer = old_input_line_pointer;
     }
 }
 
 static void
 epiphany_elf_section_text (int i)
 {
-  char *old_input_line_pointer;
-
   obj_elf_text (i);
 
-  /* The s_align_ptwo function expects that we are just after a .align
-     directive and it will either try and read the align value or stop if
-     end of line so we must fake it out so it thinks we are at the end of
-     the line.  */
-  old_input_line_pointer = input_line_pointer;
-  input_line_pointer = "\n";
-  s_align_ptwo (1);
+  do_align (1, NULL, 0, 0);
   force_code_align = FALSE;
-  /* Restore.  */
-  input_line_pointer = old_input_line_pointer;
 }
 
 /* The target specific pseudo-ops which we support.  */
@@ -136,7 +116,7 @@ size_t md_longopts_size = sizeof (md_longopts);
 const char * md_shortopts = "";
 
 int
-md_parse_option (int c ATTRIBUTE_UNUSED, char * arg ATTRIBUTE_UNUSED)
+md_parse_option (int c ATTRIBUTE_UNUSED, const char * arg ATTRIBUTE_UNUSED)
 {
   return 0;    /* No target-specific options.  */
 }
@@ -173,7 +153,7 @@ md_section_align (segT segment, valueT size)
 {
   int align = bfd_get_section_alignment (stdoutput, segment);
 
-  return ((size + (1 << align) - 1) & (-1 << align));
+  return ((size + (1 << align) - 1) & -(1 << align));
 }
 
 \f
@@ -405,72 +385,17 @@ parse_reglist (const char * s, int * mask)
 }
 
 \f
-void
-md_assemble (char *str)
-{
+/* Assemble an instruction,  push and pop pseudo instructions should have
+   already been expanded.  */
+
+static void
+epiphany_assemble (const char *str)
+    {
   epiphany_insn insn;
   char *errmsg = 0;
-  const char * pperr = 0;
-  int regmask=0, push=0, pop=0;
 
   memset (&insn, 0, sizeof (insn));
 
-  /* Special-case push/pop instruction macros.  */
-  if (0 == strncmp (str, "push {", 6))
-    {
-      char * s = str + 6;
-      push = 1;
-      pperr = parse_reglist (s, &regmask);
-    }
-  else if (0 == strncmp (str, "pop {", 5))
-    {
-      char * s = str + 5;
-      pop = 1;
-      pperr = parse_reglist (s, &regmask);
-    }
-
-  if (pperr)
-    {
-      as_bad ("%s", pperr);
-      return;
-    }
-
-  if (push && regmask)
-    {
-      char buff[20];
-      int i,p ATTRIBUTE_UNUSED;
-
-      md_assemble ("mov r15,4");
-      md_assemble ("sub sp,sp,r15");
-
-      for (i = 0, p = 1; i <= 15; ++i, regmask >>= 1)
-       {
-         if (regmask == 1)
-           sprintf (buff, "str r%d,[sp]", i); /* Last one.  */
-         else if (regmask & 1)
-           sprintf (buff, "str r%d,[sp],-r15", i);
-         else
-           continue;
-         md_assemble (buff);
-       }
-      return;
-    }
-  else if (pop && regmask)
-    {
-      char buff[20];
-      int i,p;
-
-      md_assemble ("mov r15,4");
-
-      for (i = 15, p = 1 << 15; i >= 0; --i, p >>= 1)
-       if (regmask & p)
-         {
-           sprintf (buff, "ldr r%d,[sp],+r15", i);
-           md_assemble (buff);
-         }
-      return;
-    }
-
   /* Initialize GAS's cgen interface for a new instruction.  */
   gas_cgen_init_parse ();
 
@@ -596,6 +521,71 @@ md_assemble (char *str)
     }
 }
 
+void
+md_assemble (char *str)
+{
+  const char * pperr = 0;
+  int regmask=0, push=0, pop=0;
+
+  /* Special-case push/pop instruction macros.  */
+  if (0 == strncmp (str, "push {", 6))
+    {
+      char * s = str + 6;
+      push = 1;
+      pperr = parse_reglist (s, &regmask);
+    }
+  else if (0 == strncmp (str, "pop {", 5))
+    {
+      char * s = str + 5;
+      pop = 1;
+      pperr = parse_reglist (s, &regmask);
+    }
+
+  if (pperr)
+    {
+      as_bad ("%s", pperr);
+      return;
+    }
+
+  if (push && regmask)
+    {
+      char buff[20];
+      int i,p ATTRIBUTE_UNUSED;
+
+      epiphany_assemble ("mov r15,4");
+      epiphany_assemble ("sub sp,sp,r15");
+
+      for (i = 0, p = 1; i <= 15; ++i, regmask >>= 1)
+       {
+         if (regmask == 1)
+           sprintf (buff, "str r%d,[sp]", i); /* Last one.  */
+         else if (regmask & 1)
+           sprintf (buff, "str r%d,[sp],-r15", i);
+         else
+           continue;
+         epiphany_assemble (buff);
+       }
+      return;
+    }
+  else if (pop && regmask)
+    {
+      char buff[20];
+      int i,p;
+
+      epiphany_assemble ("mov r15,4");
+
+      for (i = 15, p = 1 << 15; i >= 0; --i, p >>= 1)
+       if (regmask & p)
+         {
+           sprintf (buff, "ldr r%d,[sp],+r15", i);
+           epiphany_assemble (buff);
+         }
+      return;
+    }
+
+  epiphany_assemble (str);
+}
+
 /* The syntax in the manual says constants begin with '#'.
    We just ignore it.  */
 
@@ -900,6 +890,7 @@ md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
     case EPIPHANY_RELAX_LDST_IMM3:
       addend = ((addend & 7) << 5) | opcode[0];
       opindx = EPIPHANY_OPERAND_DISP3;
+      break;
 
     case EPIPHANY_RELAX_BRANCH_SHORT:
       addend >>= 1;            /* Convert to a word offset.  */
@@ -1021,7 +1012,7 @@ md_cgen_lookup_reloc (const CGEN_INSN *insn ATTRIBUTE_UNUSED,
 /* Equal to MAX_PRECISION in atof-ieee.c.  */
 #define MAX_LITTLENUMS 6
 
-char *
+const char *
 md_atof (int type, char *litP, int *sizeP)
 {
   return ieee_md_atof (type, litP, sizeP, FALSE);