add xfail for "print u_var" test in gdb.ada/packed_array.exp

[deliverable/binutils-gdb.git] / gdb / m32r-linux-tdep.c

diff --git a/gdb/m32r-linux-tdep.c b/gdb/m32r-linux-tdep.c
index 3d4aed43704c0e6a533f475ceb7580692c5f2899..1339a872d216c32bbcf81d6d91b10bb0c4ffe515 100644 (file)
--- a/gdb/m32r-linux-tdep.c
+++ b/gdb/m32r-linux-tdep.c
@@ -1,12 +1,13 @@
 /* Target-dependent code for GNU/Linux m32r.
 
 /* Target-dependent code for GNU/Linux m32r.
 

-   Copyright 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011
+   Free Software Foundation, Inc.

 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or

    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -15,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    GNU General Public License for more details.
 
    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.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #include "defs.h"
 #include "gdbcore.h"
 
 #include "defs.h"
 #include "gdbcore.h"


@@ -33,11 +32,14 @@
 
 #include "glibc-tdep.h"
 #include "solib-svr4.h"
 
 #include "glibc-tdep.h"
 #include "solib-svr4.h"

+#include "symtab.h"

 
 #include "trad-frame.h"
 #include "frame-unwind.h"
 
 #include "m32r-tdep.h"
 
 #include "trad-frame.h"
 #include "frame-unwind.h"
 
 #include "m32r-tdep.h"

+#include "linux-tdep.h"
+

 \f
 
 /* Recognizing signal handler frames.  */
 \f
 
 /* Recognizing signal handler frames.  */


@@ -85,7 +87,7 @@ static const gdb_byte linux_sigtramp_code[] = {
    the routine.  Otherwise, return 0.  */
 
 static CORE_ADDR
    the routine.  Otherwise, return 0.  */
 
 static CORE_ADDR

-m32r_linux_sigtramp_start (CORE_ADDR pc, struct frame_info *next_frame)
+m32r_linux_sigtramp_start (CORE_ADDR pc, struct frame_info *this_frame)

 {
   gdb_byte buf[4];
 
 {
   gdb_byte buf[4];
 


@@ -99,7 +101,7 @@ m32r_linux_sigtramp_start (CORE_ADDR pc, struct frame_info *next_frame)
 
   if (pc % 2 != 0)
     {
 
   if (pc % 2 != 0)
     {

-      if (!safe_frame_unwind_memory (next_frame, pc, buf, 2))
+      if (!safe_frame_unwind_memory (this_frame, pc, buf, 2))

        return 0;
 
       if (memcmp (buf, linux_sigtramp_code, 2) == 0)
        return 0;
 
       if (memcmp (buf, linux_sigtramp_code, 2) == 0)


@@ -108,7 +110,7 @@ m32r_linux_sigtramp_start (CORE_ADDR pc, struct frame_info *next_frame)
        return 0;
     }
 
        return 0;
     }
 

-  if (!safe_frame_unwind_memory (next_frame, pc, buf, 4))
+  if (!safe_frame_unwind_memory (this_frame, pc, buf, 4))

     return 0;
 
   if (memcmp (buf, linux_sigtramp_code, 4) != 0)
     return 0;
 
   if (memcmp (buf, linux_sigtramp_code, 4) != 0)


@@ -133,7 +135,7 @@ static const gdb_byte linux_rt_sigtramp_code[] = {
    of the routine.  Otherwise, return 0.  */
 
 static CORE_ADDR
    of the routine.  Otherwise, return 0.  */
 
 static CORE_ADDR

-m32r_linux_rt_sigtramp_start (CORE_ADDR pc, struct frame_info *next_frame)
+m32r_linux_rt_sigtramp_start (CORE_ADDR pc, struct frame_info *this_frame)

 {
   gdb_byte buf[4];
 
 {
   gdb_byte buf[4];
 


@@ -148,12 +150,12 @@ m32r_linux_rt_sigtramp_start (CORE_ADDR pc, struct frame_info *next_frame)
   if (pc % 2 != 0)
     return 0;
 
   if (pc % 2 != 0)
     return 0;
 

-  if (!safe_frame_unwind_memory (next_frame, pc, buf, 4))
+  if (!safe_frame_unwind_memory (this_frame, pc, buf, 4))

     return 0;
 
   if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)
     {
     return 0;
 
   if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)
     {

-      if (!safe_frame_unwind_memory (next_frame, pc + 4, buf, 4))
+      if (!safe_frame_unwind_memory (this_frame, pc + 4, buf, 4))

        return 0;
 
       if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)
        return 0;
 
       if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)


@@ -161,7 +163,7 @@ m32r_linux_rt_sigtramp_start (CORE_ADDR pc, struct frame_info *next_frame)
     }
   else if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)
     {
     }
   else if (memcmp (buf, linux_rt_sigtramp_code + 4, 4) == 0)
     {

-      if (!safe_frame_unwind_memory (next_frame, pc - 4, buf, 4))
+      if (!safe_frame_unwind_memory (this_frame, pc - 4, buf, 4))

        return 0;
 
       if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)
        return 0;
 
       if (memcmp (buf, linux_rt_sigtramp_code, 4) == 0)


@@ -173,7 +175,7 @@ m32r_linux_rt_sigtramp_start (CORE_ADDR pc, struct frame_info *next_frame)
 
 static int
 m32r_linux_pc_in_sigtramp (CORE_ADDR pc, char *name,
 
 static int
 m32r_linux_pc_in_sigtramp (CORE_ADDR pc, char *name,

-                          struct frame_info *next_frame)
+                          struct frame_info *this_frame)

 {
   /* If we have NAME, we can optimize the search.  The trampolines are
      named __restore and __restore_rt.  However, they aren't dynamically
 {
   /* If we have NAME, we can optimize the search.  The trampolines are
      named __restore and __restore_rt.  However, they aren't dynamically


@@ -181,8 +183,8 @@ m32r_linux_pc_in_sigtramp (CORE_ADDR pc, char *name,
      be part of the preceding function.  This should always be sigaction,
      __sigaction, or __libc_sigaction (all aliases to the same function).  */
   if (name == NULL || strstr (name, "sigaction") != NULL)
      be part of the preceding function.  This should always be sigaction,
      __sigaction, or __libc_sigaction (all aliases to the same function).  */
   if (name == NULL || strstr (name, "sigaction") != NULL)

-    return (m32r_linux_sigtramp_start (pc, next_frame) != 0
-           || m32r_linux_rt_sigtramp_start (pc, next_frame) != 0);
+    return (m32r_linux_sigtramp_start (pc, this_frame) != 0
+           || m32r_linux_rt_sigtramp_start (pc, this_frame) != 0);

 
   return (strcmp ("__restore", name) == 0
          || strcmp ("__restore_rt", name) == 0);
 
   return (strcmp ("__restore", name) == 0
          || strcmp ("__restore_rt", name) == 0);


@@ -223,7 +225,7 @@ struct m32r_frame_cache
 };
 
 static struct m32r_frame_cache *
 };
 
 static struct m32r_frame_cache *

-m32r_linux_sigtramp_frame_cache (struct frame_info *next_frame,
+m32r_linux_sigtramp_frame_cache (struct frame_info *this_frame,

                                 void **this_cache)
 {
   struct m32r_frame_cache *cache;
                                 void **this_cache)
 {
   struct m32r_frame_cache *cache;


@@ -234,26 +236,26 @@ m32r_linux_sigtramp_frame_cache (struct frame_info *next_frame,
     return (*this_cache);
   cache = FRAME_OBSTACK_ZALLOC (struct m32r_frame_cache);
   (*this_cache) = cache;
     return (*this_cache);
   cache = FRAME_OBSTACK_ZALLOC (struct m32r_frame_cache);
   (*this_cache) = cache;

-  cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+  cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);

 
 

-  cache->base = frame_unwind_register_unsigned (next_frame, M32R_SP_REGNUM);
+  cache->base = get_frame_register_unsigned (this_frame, M32R_SP_REGNUM);

   sigcontext_addr = cache->base + 4;
 
   sigcontext_addr = cache->base + 4;
 

-  cache->pc = frame_pc_unwind (next_frame);
-  addr = m32r_linux_sigtramp_start (cache->pc, next_frame);
+  cache->pc = get_frame_pc (this_frame);
+  addr = m32r_linux_sigtramp_start (cache->pc, this_frame);

   if (addr == 0)
     {
       /* If this is a RT signal trampoline, adjust SIGCONTEXT_ADDR
          accordingly.  */
   if (addr == 0)
     {
       /* If this is a RT signal trampoline, adjust SIGCONTEXT_ADDR
          accordingly.  */

-      addr = m32r_linux_rt_sigtramp_start (cache->pc, next_frame);
+      addr = m32r_linux_rt_sigtramp_start (cache->pc, this_frame);

       if (addr)
        sigcontext_addr += 128;
       else
       if (addr)
        sigcontext_addr += 128;
       else

-       addr = frame_func_unwind (next_frame);
+       addr = get_frame_func (this_frame);

     }
   cache->pc = addr;
 
     }
   cache->pc = addr;
 

-  cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+  cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);

 
   for (regnum = 0; regnum < sizeof (m32r_linux_sc_reg_offset) / 4; regnum++)
     {
 
   for (regnum = 0; regnum < sizeof (m32r_linux_sc_reg_offset) / 4; regnum++)
     {


@@ -266,50 +268,49 @@ m32r_linux_sigtramp_frame_cache (struct frame_info *next_frame,
 }
 
 static void
 }
 
 static void

-m32r_linux_sigtramp_frame_this_id (struct frame_info *next_frame,
+m32r_linux_sigtramp_frame_this_id (struct frame_info *this_frame,

                                   void **this_cache,
                                   struct frame_id *this_id)
 {
   struct m32r_frame_cache *cache =
                                   void **this_cache,
                                   struct frame_id *this_id)
 {
   struct m32r_frame_cache *cache =

-    m32r_linux_sigtramp_frame_cache (next_frame, this_cache);
+    m32r_linux_sigtramp_frame_cache (this_frame, this_cache);

 
   (*this_id) = frame_id_build (cache->base, cache->pc);
 }
 
 
   (*this_id) = frame_id_build (cache->base, cache->pc);
 }
 

-static void
-m32r_linux_sigtramp_frame_prev_register (struct frame_info *next_frame,
-                                        void **this_cache,
-                                        int regnum, int *optimizedp,
-                                        enum lval_type *lvalp,
-                                        CORE_ADDR *addrp,
-                                        int *realnump, gdb_byte *valuep)
+static struct value *
+m32r_linux_sigtramp_frame_prev_register (struct frame_info *this_frame,
+                                        void **this_cache, int regnum)

 {
   struct m32r_frame_cache *cache =
 {
   struct m32r_frame_cache *cache =

-    m32r_linux_sigtramp_frame_cache (next_frame, this_cache);
+    m32r_linux_sigtramp_frame_cache (this_frame, this_cache);

 
 

-  trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
-                               optimizedp, lvalp, addrp, realnump, valuep);
+  return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);

 }
 
 }
 

-static const struct frame_unwind m32r_linux_sigtramp_frame_unwind = {
-  SIGTRAMP_FRAME,
-  m32r_linux_sigtramp_frame_this_id,
-  m32r_linux_sigtramp_frame_prev_register
-};
-
-static const struct frame_unwind *
-m32r_linux_sigtramp_frame_sniffer (struct frame_info *next_frame)
+static int
+m32r_linux_sigtramp_frame_sniffer (const struct frame_unwind *self,
+                                  struct frame_info *this_frame,
+                                  void **this_cache)

 {
 {

-  CORE_ADDR pc = frame_pc_unwind (next_frame);
+  CORE_ADDR pc = get_frame_pc (this_frame);

   char *name;
 
   find_pc_partial_function (pc, &name, NULL, NULL);
   char *name;
 
   find_pc_partial_function (pc, &name, NULL, NULL);

-  if (m32r_linux_pc_in_sigtramp (pc, name, next_frame))
-    return &m32r_linux_sigtramp_frame_unwind;
+  if (m32r_linux_pc_in_sigtramp (pc, name, this_frame))
+    return 1;

 
 

-  return NULL;
+  return 0;

 }
 
 }
 

+static const struct frame_unwind m32r_linux_sigtramp_frame_unwind = {
+  SIGTRAMP_FRAME,
+  m32r_linux_sigtramp_frame_this_id,
+  m32r_linux_sigtramp_frame_prev_register,
+  NULL,
+  m32r_linux_sigtramp_frame_sniffer
+};
+

 /* Mapping between the registers in `struct pt_regs'
    format and GDB's register array layout.  */
 
 /* Mapping between the registers in `struct pt_regs'
    format and GDB's register array layout.  */
 


@@ -382,7 +383,7 @@ m32r_linux_supply_gregset (const struct regset *regset,
          break;
        }
 
          break;
        }
 

-      regcache_raw_supply (current_regcache, i,
+      regcache_raw_supply (regcache, i,

                           regs + m32r_pt_regs_offset[i]);
     }
 }
                           regs + m32r_pt_regs_offset[i]);
     }
 }


@@ -406,13 +407,16 @@ m32r_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 

+  linux_init_abi (info, gdbarch);
+

   /* Since EVB register is not available for native debug, we reduce
      the number of registers.  */
   set_gdbarch_num_regs (gdbarch, M32R_NUM_REGS - 1);
 
   /* Since EVB register is not available for native debug, we reduce
      the number of registers.  */
   set_gdbarch_num_regs (gdbarch, M32R_NUM_REGS - 1);
 

-  frame_unwind_append_sniffer (gdbarch, m32r_linux_sigtramp_frame_sniffer);
+  frame_unwind_append_unwinder (gdbarch, &m32r_linux_sigtramp_frame_unwind);

 
   /* GNU/Linux uses SVR4-style shared libraries.  */
 
   /* GNU/Linux uses SVR4-style shared libraries.  */

+  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);

   set_solib_svr4_fetch_link_map_offsets
     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
 
   set_solib_svr4_fetch_link_map_offsets
     (gdbarch, svr4_ilp32_fetch_link_map_offsets);