Add "make pdf" and "make install-pdf", from Brooks Moses

[deliverable/binutils-gdb.git] / gdb / m68k-tdep.c

diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c
index 1ddd652a9174049484d14b10e964ef99137eecde..90cb169234f4ad1144056ec3ba5ade395e1d55c6 100644 (file)
--- a/gdb/m68k-tdep.c
+++ b/gdb/m68k-tdep.c
@@ -1,7 +1,7 @@
 /* Target-dependent code for the Motorola 68000 series.
 
-   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000,
-   2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001,
+   2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -25,7 +25,7 @@
 #include "frame.h"
 #include "frame-base.h"
 #include "frame-unwind.h"
-#include "floatformat.h"
+#include "gdbtypes.h"
 #include "symtab.h"
 #include "gdbcore.h"
 #include "value.h"
@@ -413,6 +413,16 @@ m68k_svr4_return_value (struct gdbarch *gdbarch, struct type *type,
 }
 \f
 
+/* Always align the frame to a 4-byte boundary.  This is required on
+   coldfire and harmless on the rest.  */
+
+static CORE_ADDR
+m68k_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp)
+{
+  /* Align the stack to four bytes.  */
+  return sp & ~3;
+}
+
 static CORE_ADDR
 m68k_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
                      struct regcache *regcache, CORE_ADDR bp_addr, int nargs,
@@ -667,10 +677,10 @@ m68k_analyze_register_saves (CORE_ADDR pc, CORE_ADDR current_pc,
              else
                break;
            }
-         else if ((op & 0170677) == P_MOVEL_SP)
+         else if ((op & 0177760) == P_MOVEL_SP)
            {
              /* move.l %R,-(%sp) */
-             regno = ((op & 07000) >> 9) | ((op & 0100) >> 3);
+             regno = op & 017;
              cache->saved_regs[regno] = offset;
              offset -= 4;
              pc += 2;
@@ -809,7 +819,7 @@ m68k_frame_cache (struct frame_info *next_frame, void **this_cache)
   /* For normal frames, %pc is stored at 4(%fp).  */
   cache->saved_regs[M68K_PC_REGNUM] = 4;
 
-  cache->pc = frame_func_unwind (next_frame);
+  cache->pc = frame_func_unwind (next_frame, NORMAL_FRAME);
   if (cache->pc != 0)
     m68k_analyze_prologue (cache->pc, frame_pc_unwind (next_frame), cache);
 
@@ -1147,7 +1157,7 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   tdep = xmalloc (sizeof (struct gdbarch_tdep));
   gdbarch = gdbarch_alloc (&info, tdep);
 
-  set_gdbarch_long_double_format (gdbarch, &floatformat_m68881_ext);
+  set_gdbarch_long_double_format (gdbarch, floatformats_m68881_ext);
   set_gdbarch_long_double_bit (gdbarch, 96);
 
   set_gdbarch_skip_prologue (gdbarch, m68k_skip_prologue);
@@ -1155,6 +1165,7 @@ m68k_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   /* Stack grows down. */
   set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
+  set_gdbarch_frame_align (gdbarch, m68k_frame_align);
 
   set_gdbarch_believe_pcc_promotion (gdbarch, 1);
   set_gdbarch_decr_pc_after_break (gdbarch, 2);