* remote.c (remote_wait): Convert warning to error before

[deliverable/binutils-gdb.git] / gdb / dwarf2-frame.c

diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index ef0d6266fd83179886f0bd21a584f06ec6a523e7..d479da2f5aa39d460ea7dffda24cfb220d9a43e2 100644 (file)
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -1,6 +1,6 @@
 /* Frame unwinder for frames with DWARF Call Frame Information.
 
-   Copyright 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
 
    Contributed by Mark Kettenis.
 
@@ -18,8 +18,8 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "defs.h"
 #include "dwarf2expr.h"
@@ -294,7 +294,17 @@ execute_cfa_program (gdb_byte *insn_ptr, gdb_byte *insn_end,
          gdb_assert (fs->initial.reg);
          reg = insn & 0x3f;
          dwarf2_frame_state_alloc_regs (&fs->regs, reg + 1);
-         fs->regs.reg[reg] = fs->initial.reg[reg];
+         if (reg < fs->initial.num_regs)
+           fs->regs.reg[reg] = fs->initial.reg[reg];
+         else 
+           fs->regs.reg[reg].how = DWARF2_FRAME_REG_UNSPECIFIED;
+
+         if (fs->regs.reg[reg].how == DWARF2_FRAME_REG_UNSPECIFIED)
+           complaint (&symfile_complaints, _("\
+incomplete CFI data; DW_CFA_restore unspecified\n\
+register %s (#%d) at 0x%s"),
+                      REGISTER_NAME(DWARF2_REG_TO_REGNUM(reg)),
+                      DWARF2_REG_TO_REGNUM(reg), paddr (fs->pc));
        }
       else
        {
@@ -496,7 +506,8 @@ static struct gdbarch_data *dwarf2_frame_data;
 struct dwarf2_frame_ops
 {
   /* Pre-initialize the register state REG for register REGNUM.  */
-  void (*init_reg) (struct gdbarch *, int, struct dwarf2_frame_state_reg *);
+  void (*init_reg) (struct gdbarch *, int, struct dwarf2_frame_state_reg *,
+                   struct frame_info *);
 
   /* Check whether the frame preceding NEXT_FRAME will be a signal
      trampoline.  */
@@ -508,7 +519,8 @@ struct dwarf2_frame_ops
 
 static void
 dwarf2_frame_default_init_reg (struct gdbarch *gdbarch, int regnum,
-                              struct dwarf2_frame_state_reg *reg)
+                              struct dwarf2_frame_state_reg *reg,
+                              struct frame_info *next_frame)
 {
   /* If we have a register that acts as a program counter, mark it as
      a destination for the return address.  If we have a register that
@@ -560,7 +572,8 @@ dwarf2_frame_init (struct obstack *obstack)
 void
 dwarf2_frame_set_init_reg (struct gdbarch *gdbarch,
                           void (*init_reg) (struct gdbarch *, int,
-                                            struct dwarf2_frame_state_reg *))
+                                            struct dwarf2_frame_state_reg *,
+                                            struct frame_info *))
 {
   struct dwarf2_frame_ops *ops = gdbarch_data (gdbarch, dwarf2_frame_data);
 
@@ -571,11 +584,12 @@ dwarf2_frame_set_init_reg (struct gdbarch *gdbarch,
 
 static void
 dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
-                      struct dwarf2_frame_state_reg *reg)
+                      struct dwarf2_frame_state_reg *reg,
+                      struct frame_info *next_frame)
 {
   struct dwarf2_frame_ops *ops = gdbarch_data (gdbarch, dwarf2_frame_data);
 
-  ops->init_reg (gdbarch, regnum, reg);
+  ops->init_reg (gdbarch, regnum, reg, next_frame);
 }
 
 /* Set the architecture-specific signal trampoline recognition
@@ -703,7 +717,7 @@ dwarf2_frame_cache (struct frame_info *next_frame, void **this_cache)
     int regnum;
 
     for (regnum = 0; regnum < num_regs; regnum++)
-      dwarf2_frame_init_reg (gdbarch, regnum, &cache->reg[regnum]);
+      dwarf2_frame_init_reg (gdbarch, regnum, &cache->reg[regnum], next_frame);
   }
 
   /* Go through the DWARF2 CFI generated table and save its register
@@ -918,6 +932,19 @@ dwarf2_frame_prev_register (struct frame_info *next_frame, void **this_cache,
        }
       break;
 
+    case DWARF2_FRAME_REG_CFA_OFFSET:
+      *optimizedp = 0;
+      *lvalp = not_lval;
+      *addrp = 0;
+      *realnump = -1;
+      if (valuep)
+       {
+         /* Store the value.  */
+         store_typed_address (valuep, builtin_type_void_data_ptr,
+                              cache->cfa + cache->reg[regnum].loc.offset);
+       }
+      break;
+
     case DWARF2_FRAME_REG_RA_OFFSET:
       *optimizedp = 0;
       *lvalp = not_lval;
@@ -1687,7 +1714,7 @@ extern asection *dwarf_frame_section;
 extern asection *dwarf_eh_frame_section;
 
 /* Imported from dwarf2read.c.  */
-extern char *dwarf2_read_section (struct objfile *objfile, asection *sectp);
+extern gdb_byte *dwarf2_read_section (struct objfile *objfile, asection *sectp);
 
 void
 dwarf2_build_frame_info (struct objfile *objfile)