testsuite: Fix false FAIL in gdb.cp/casts.exp

[deliverable/binutils-gdb.git] / gdb / ft32-tdep.c

diff --git a/gdb/ft32-tdep.c b/gdb/ft32-tdep.c
index 0b51af3d083bc4291c439dbab8b6931ffc98ee5b..db04d2e7abdeac4bf1c4b8890c7fbe84bef17f54 100644 (file)
--- a/gdb/ft32-tdep.c
+++ b/gdb/ft32-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for FT32.
 
-   Copyright (C) 2009-2015 Free Software Foundation, Inc.
+   Copyright (C) 2009-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -162,16 +162,24 @@ ft32_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
 {
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   CORE_ADDR next_addr;
-  ULONGEST inst, inst2;
-  LONGEST offset;
+  ULONGEST inst;
   int regnum, pushreg;
   struct bound_minimal_symbol msymbol;
-  unsigned prologs[32];
+  const int first_saved_reg = 13;      /* The first saved register.  */
+  /* PROLOGS are addresses of the subroutine prologs, PROLOGS[n]
+     is the address of __prolog_$rN.
+     __prolog_$rN pushes registers from 13 through n inclusive.
+     So for example CALL __prolog_$r15 is equivalent to:
+       PUSH $r13 
+       PUSH $r14 
+       PUSH $r15 
+     Note that PROLOGS[0] through PROLOGS[12] are unused.  */
+  CORE_ADDR prologs[32];
 
   cache->saved_regs[FT32_PC_REGNUM] = 0;
   cache->framesize = 0;
 
-  for (regnum = 0; regnum < 32; regnum++)
+  for (regnum = first_saved_reg; regnum < 32; regnum++)
     {
       char prolog_symbol[32];
 
@@ -201,11 +209,12 @@ ft32_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
        }
       else if (FT32_IS_CALL (inst))
        {
-         for (regnum = 0; regnum < 32; regnum++)
+         for (regnum = first_saved_reg; regnum < 32; regnum++)
            {
              if ((4 * (inst & 0x3ffff)) == prologs[regnum])
                {
-                 for (pushreg = 13; pushreg <= regnum; pushreg++)
+                 for (pushreg = first_saved_reg; pushreg <= regnum;
+                      pushreg++)
                    {
                      cache->framesize += 4;
                      cache->saved_regs[FT32_R0_REGNUM + pushreg] =
@@ -601,9 +610,8 @@ ft32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
      be defined.  */
   void_type = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void");
   func_void_type = make_function_type (void_type, NULL);
-  tdep->pc_type = arch_type (gdbarch, TYPE_CODE_PTR, 4, NULL);
-  TYPE_TARGET_TYPE (tdep->pc_type) = func_void_type;
-  TYPE_UNSIGNED (tdep->pc_type) = 1;
+  tdep->pc_type = arch_pointer_type (gdbarch, 4 * TARGET_CHAR_BIT, NULL,
+                                    func_void_type);
   TYPE_INSTANCE_FLAGS (tdep->pc_type) |= TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1;
 
   set_gdbarch_read_pc (gdbarch, ft32_read_pc);