Makefile.in (HFILES_NO_SRCDIR): Remove "common/gdb_dirent.h".

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

diff --git a/gdb/sparcobsd-tdep.c b/gdb/sparcobsd-tdep.c
index 0e6504bdf68229ea1b52c112d14b562011e8b75a..9f19ced510d9b1df27395b93c74bb72eb99f1337 100644 (file)
--- a/gdb/sparcobsd-tdep.c
+++ b/gdb/sparcobsd-tdep.c
@@ -1,12 +1,12 @@
 /* Target-dependent code for OpenBSD/sparc.
 
 /* Target-dependent code for OpenBSD/sparc.
 

-   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2004-2013 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 +15,7 @@
    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., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #include "defs.h"
 #include "floatformat.h"
 
 #include "defs.h"
 #include "floatformat.h"


@@ -43,13 +41,13 @@
    detecting it won't work.
 
    The signal trampoline will be mapped at an address that is page
    detecting it won't work.
 
    The signal trampoline will be mapped at an address that is page

-   aligned.  We recognize the signal trampoline by the looking for the
+   aligned.  We recognize the signal trampoline by looking for the

    sigreturn system call.  */
 
 static const int sparc32obsd_page_size = 4096;
 
 static int
    sigreturn system call.  */
 
 static const int sparc32obsd_page_size = 4096;
 
 static int

-sparc32obsd_pc_in_sigtramp (CORE_ADDR pc, char *name)
+sparc32obsd_pc_in_sigtramp (CORE_ADDR pc, const char *name)

 {
   CORE_ADDR start_pc = (pc & ~(sparc32obsd_page_size - 1));
   unsigned long insn;
 {
   CORE_ADDR start_pc = (pc & ~(sparc32obsd_page_size - 1));
   unsigned long insn;


@@ -71,7 +69,8 @@ sparc32obsd_pc_in_sigtramp (CORE_ADDR pc, char *name)
 }
 
 static struct sparc_frame_cache *
 }
 
 static struct sparc_frame_cache *

-sparc32obsd_frame_cache (struct frame_info *next_frame, void **this_cache)
+sparc32obsd_sigtramp_frame_cache (struct frame_info *this_frame,
+                                 void **this_cache)

 {
   struct sparc_frame_cache *cache;
   CORE_ADDR addr;
 {
   struct sparc_frame_cache *cache;
   CORE_ADDR addr;


@@ -79,71 +78,73 @@ sparc32obsd_frame_cache (struct frame_info *next_frame, void **this_cache)
   if (*this_cache)
     return *this_cache;
 
   if (*this_cache)
     return *this_cache;
 

-  cache = sparc_frame_cache (next_frame, this_cache);
+  cache = sparc_frame_cache (this_frame, this_cache);

   gdb_assert (cache == *this_cache);
 
   /* If we couldn't find the frame's function, we're probably dealing
      with an on-stack signal trampoline.  */
   if (cache->pc == 0)
     {
   gdb_assert (cache == *this_cache);
 
   /* If we couldn't find the frame's function, we're probably dealing
      with an on-stack signal trampoline.  */
   if (cache->pc == 0)
     {

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

       cache->pc &= ~(sparc32obsd_page_size - 1);
 
       /* Since we couldn't find the frame's function, the cache was
          initialized under the assumption that we're frameless.  */
       cache->pc &= ~(sparc32obsd_page_size - 1);
 
       /* Since we couldn't find the frame's function, the cache was
          initialized under the assumption that we're frameless.  */

-      cache->frameless_p = 0;
-      addr = frame_unwind_register_unsigned (next_frame, SPARC_FP_REGNUM);
+      sparc_record_save_insn (cache);
+      addr = get_frame_register_unsigned (this_frame, SPARC_FP_REGNUM);

       cache->base = addr;
     }
 
       cache->base = addr;
     }
 

-  cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (next_frame);
+  cache->saved_regs = sparc32nbsd_sigcontext_saved_regs (this_frame);

 
   return cache;
 }
 
 static void
 
   return cache;
 }
 
 static void

-sparc32obsd_frame_this_id (struct frame_info *next_frame, void **this_cache,
-                          struct frame_id *this_id)
+sparc32obsd_sigtramp_frame_this_id (struct frame_info *this_frame,
+                                   void **this_cache,
+                                   struct frame_id *this_id)

 {
   struct sparc_frame_cache *cache =
 {
   struct sparc_frame_cache *cache =

-    sparc32obsd_frame_cache (next_frame, this_cache);
+    sparc32obsd_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
-sparc32obsd_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 *
+sparc32obsd_sigtramp_frame_prev_register (struct frame_info *this_frame,
+                                         void **this_cache, int regnum)

 {
   struct sparc_frame_cache *cache =
 {
   struct sparc_frame_cache *cache =

-    sparc32obsd_frame_cache (next_frame, this_cache);
+    sparc32obsd_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 sparc32obsd_frame_unwind =
-{
-  SIGTRAMP_FRAME,
-  sparc32obsd_frame_this_id,
-  sparc32obsd_frame_prev_register
-};
-
-static const struct frame_unwind *
-sparc32obsd_sigtramp_frame_sniffer (struct frame_info *next_frame)
+static int
+sparc32obsd_sigtramp_frame_sniffer (const struct frame_unwind *self,
+                                   struct frame_info *this_frame,
+                                   void **this_cache)

 {
 {

-  CORE_ADDR pc = frame_pc_unwind (next_frame);
-  char *name;
+  CORE_ADDR pc = get_frame_pc (this_frame);
+  const char *name;

 
   find_pc_partial_function (pc, &name, NULL, NULL);
   if (sparc32obsd_pc_in_sigtramp (pc, name))
 
   find_pc_partial_function (pc, &name, NULL, NULL);
   if (sparc32obsd_pc_in_sigtramp (pc, name))

-    return &sparc32obsd_frame_unwind;
+    return 1;

 
 

-  return NULL;
+  return 0;

 }
 }

+static const struct frame_unwind sparc32obsd_sigtramp_frame_unwind =
+{
+  SIGTRAMP_FRAME,
+  default_frame_unwind_stop_reason,
+  sparc32obsd_sigtramp_frame_this_id,
+  sparc32obsd_sigtramp_frame_prev_register,
+  NULL,
+  sparc32obsd_sigtramp_frame_sniffer
+};
+

 \f
 
 /* Offset wthin the thread structure where we can find %fp and %i7.  */
 \f
 
 /* Offset wthin the thread structure where we can find %fp and %i7.  */


@@ -154,15 +155,17 @@ static void
 sparc32obsd_supply_uthread (struct regcache *regcache,
                            int regnum, CORE_ADDR addr)
 {
 sparc32obsd_supply_uthread (struct regcache *regcache,
                            int regnum, CORE_ADDR addr)
 {

+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);

   CORE_ADDR fp, fp_addr = addr + SPARC32OBSD_UTHREAD_FP_OFFSET;
   gdb_byte buf[4];
 
   gdb_assert (regnum >= -1);
 
   CORE_ADDR fp, fp_addr = addr + SPARC32OBSD_UTHREAD_FP_OFFSET;
   gdb_byte buf[4];
 
   gdb_assert (regnum >= -1);
 

-  fp = read_memory_unsigned_integer (fp_addr, 4);
+  fp = read_memory_unsigned_integer (fp_addr, 4, byte_order);

   if (regnum == SPARC_SP_REGNUM || regnum == -1)
     {
   if (regnum == SPARC_SP_REGNUM || regnum == -1)
     {

-      store_unsigned_integer (buf, 4, fp);
+      store_unsigned_integer (buf, 4, byte_order, fp);

       regcache_raw_supply (regcache, SPARC_SP_REGNUM, buf);
 
       if (regnum == SPARC_SP_REGNUM)
       regcache_raw_supply (regcache, SPARC_SP_REGNUM, buf);
 
       if (regnum == SPARC_SP_REGNUM)


@@ -174,15 +177,15 @@ sparc32obsd_supply_uthread (struct regcache *regcache,
     {
       CORE_ADDR i7, i7_addr = addr + SPARC32OBSD_UTHREAD_PC_OFFSET;
 
     {
       CORE_ADDR i7, i7_addr = addr + SPARC32OBSD_UTHREAD_PC_OFFSET;
 

-      i7 = read_memory_unsigned_integer (i7_addr, 4);
+      i7 = read_memory_unsigned_integer (i7_addr, 4, byte_order);

       if (regnum == SPARC32_PC_REGNUM || regnum == -1)
        {
       if (regnum == SPARC32_PC_REGNUM || regnum == -1)
        {

-         store_unsigned_integer (buf, 4, i7 + 8);
+         store_unsigned_integer (buf, 4, byte_order, i7 + 8);

          regcache_raw_supply (regcache, SPARC32_PC_REGNUM, buf);
        }
       if (regnum == SPARC32_NPC_REGNUM || regnum == -1)
        {
          regcache_raw_supply (regcache, SPARC32_PC_REGNUM, buf);
        }
       if (regnum == SPARC32_NPC_REGNUM || regnum == -1)
        {

-         store_unsigned_integer (buf, 4, i7 + 12);
+         store_unsigned_integer (buf, 4, byte_order, i7 + 12);

          regcache_raw_supply (regcache, SPARC32_NPC_REGNUM, buf);
        }
 
          regcache_raw_supply (regcache, SPARC32_NPC_REGNUM, buf);
        }
 


@@ -197,6 +200,8 @@ static void
 sparc32obsd_collect_uthread(const struct regcache *regcache,
                            int regnum, CORE_ADDR addr)
 {
 sparc32obsd_collect_uthread(const struct regcache *regcache,
                            int regnum, CORE_ADDR addr)
 {

+  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);

   CORE_ADDR sp;
   gdb_byte buf[4];
 
   CORE_ADDR sp;
   gdb_byte buf[4];
 


@@ -215,15 +220,15 @@ sparc32obsd_collect_uthread(const struct regcache *regcache,
       CORE_ADDR i7, i7_addr = addr + SPARC32OBSD_UTHREAD_PC_OFFSET;
 
       regcache_raw_collect (regcache, SPARC32_PC_REGNUM, buf);
       CORE_ADDR i7, i7_addr = addr + SPARC32OBSD_UTHREAD_PC_OFFSET;
 
       regcache_raw_collect (regcache, SPARC32_PC_REGNUM, buf);

-      i7 = extract_unsigned_integer (buf, 4) - 8;
-      write_memory_unsigned_integer (i7_addr, 4, i7);
+      i7 = extract_unsigned_integer (buf, 4, byte_order) - 8;
+      write_memory_unsigned_integer (i7_addr, 4, byte_order, i7);

 
       if (regnum == SPARC32_PC_REGNUM)
        return;
     }
 
   regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);
 
       if (regnum == SPARC32_PC_REGNUM)
        return;
     }
 
   regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);

-  sp = extract_unsigned_integer (buf, 4);
+  sp = extract_unsigned_integer (buf, 4, byte_order);

   sparc_collect_rwindow (regcache, sp, regnum);
 }
 \f
   sparc_collect_rwindow (regcache, sp, regnum);
 }
 \f


@@ -238,7 +243,7 @@ sparc32obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 
   set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver);
 
 
   set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver);
 

-  frame_unwind_append_sniffer (gdbarch, sparc32obsd_sigtramp_frame_sniffer);
+  frame_unwind_append_unwinder (gdbarch, &sparc32obsd_sigtramp_frame_unwind);

 
   /* OpenBSD provides a user-level threads implementation.  */
   bsd_uthread_set_supply_uthread (gdbarch, sparc32obsd_supply_uthread);
 
   /* OpenBSD provides a user-level threads implementation.  */
   bsd_uthread_set_supply_uthread (gdbarch, sparc32obsd_supply_uthread);