2010-06-11 Michael Snyder <msnyder@vmware.com>

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

diff --git a/gdb/alpha-linux-tdep.c b/gdb/alpha-linux-tdep.c
index eff393a2bd2baff3f15619d64b5139d8e831daae..3c71f2f03cd419ba6f0b0debebb1b3f6166f45f0 100644 (file)
--- a/gdb/alpha-linux-tdep.c
+++ b/gdb/alpha-linux-tdep.c
@@ -1,11 +1,12 @@
 /* Target-dependent code for GNU/Linux on Alpha.
-   Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2007, 2008, 2009, 2010
+   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
-   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,
@@ -14,9 +15,7 @@
    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 "frame.h"
@@ -46,9 +45,9 @@
 */
 
 static long
-alpha_linux_sigtramp_offset_1 (CORE_ADDR pc)
+alpha_linux_sigtramp_offset_1 (struct gdbarch *gdbarch, CORE_ADDR pc)
 {
-  switch (alpha_read_insn (pc))
+  switch (alpha_read_insn (gdbarch, pc))
     {
     case 0x47de0410:           /* bis $30,$30,$16 */
     case 0x47fe0410:           /* bis $31,$30,$16 */
@@ -68,7 +67,7 @@ alpha_linux_sigtramp_offset_1 (CORE_ADDR pc)
 }
 
 static LONGEST
-alpha_linux_sigtramp_offset (CORE_ADDR pc)
+alpha_linux_sigtramp_offset (struct gdbarch *gdbarch, CORE_ADDR pc)
 {
   long i, off;
 
@@ -76,7 +75,7 @@ alpha_linux_sigtramp_offset (CORE_ADDR pc)
     return -1;
 
   /* Guess where we might be in the sequence.  */
-  off = alpha_linux_sigtramp_offset_1 (pc);
+  off = alpha_linux_sigtramp_offset_1 (gdbarch, pc);
   if (off < 0)
     return -1;
 
@@ -86,7 +85,7 @@ alpha_linux_sigtramp_offset (CORE_ADDR pc)
     {
       if (i == off)
        continue;
-      if (alpha_linux_sigtramp_offset_1 (pc + i) != i)
+      if (alpha_linux_sigtramp_offset_1 (gdbarch, pc + i) != i)
        return -1;
     }
 
@@ -94,22 +93,24 @@ alpha_linux_sigtramp_offset (CORE_ADDR pc)
 }
 
 static int
-alpha_linux_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+alpha_linux_pc_in_sigtramp (struct gdbarch *gdbarch,
+                           CORE_ADDR pc, char *func_name)
 {
-  return alpha_linux_sigtramp_offset (pc) >= 0;
+  return alpha_linux_sigtramp_offset (gdbarch, pc) >= 0;
 }
 
 static CORE_ADDR
-alpha_linux_sigcontext_addr (struct frame_info *next_frame)
+alpha_linux_sigcontext_addr (struct frame_info *this_frame)
 {
+  struct gdbarch *gdbarch = get_frame_arch (this_frame);
   CORE_ADDR pc;
   ULONGEST sp;
   long off;
 
-  pc = frame_pc_unwind (next_frame);
-  frame_unwind_unsigned_register (next_frame, ALPHA_SP_REGNUM, &sp);
+  pc = get_frame_pc (this_frame);
+  sp = get_frame_register_unsigned (this_frame, ALPHA_SP_REGNUM);
 
-  off = alpha_linux_sigtramp_offset (pc);
+  off = alpha_linux_sigtramp_offset (gdbarch, pc);
   gdb_assert (off >= 0);
 
   /* __NR_rt_sigreturn has a couple of structures on the stack.  This is:
@@ -121,7 +122,7 @@ alpha_linux_sigcontext_addr (struct frame_info *next_frame)
 
        offsetof (struct rt_sigframe, uc.uc_mcontext);
   */
-  if (alpha_read_insn (pc - off + 4) == 0x201f015f)
+  if (alpha_read_insn (gdbarch, pc - off + 4) == 0x201f015f)
     return sp + 176;
 
   /* __NR_sigreturn has the sigcontext structure at the top of the stack.  */
@@ -175,7 +176,7 @@ alpha_linux_supply_fpregset (const struct regset *regset,
     }
 
   if (regnum == ALPHA_FPCR_REGNUM || regnum == -1)
-    regcache_raw_supply (regcache, ALPHA_FPCR_REGNUM, regs + 32 * 8);
+    regcache_raw_supply (regcache, ALPHA_FPCR_REGNUM, regs + 31 * 8);
 }
 
 static struct regset alpha_linux_gregset =
@@ -193,7 +194,7 @@ static struct regset alpha_linux_fpregset =
 /* Return the appropriate register set for the core section identified
    by SECT_NAME and SECT_SIZE.  */
 
-const struct regset *
+static const struct regset *
 alpha_linux_regset_from_core_section (struct gdbarch *gdbarch,
                                      const char *sect_name, size_t sect_size)
 {
@@ -226,6 +227,9 @@ alpha_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 
   set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
 
+  set_solib_svr4_fetch_link_map_offsets
+    (gdbarch, svr4_lp64_fetch_link_map_offsets);
+
   /* Enable TLS support.  */
   set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                              svr4_fetch_objfile_link_map);
@@ -234,6 +238,9 @@ alpha_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
     (gdbarch, alpha_linux_regset_from_core_section);
 }
 
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+extern initialize_file_ftype _initialize_alpha_linux_tdep;
+
 void
 _initialize_alpha_linux_tdep (void)
 {