* gdb.opt/clobbered-registers-O2.c: New testcase source file.

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

diff --git a/gdb/sparc-linux-tdep.c b/gdb/sparc-linux-tdep.c
index 446f05e46494e5b76a76a12e8f5c2e4c2087d9f8..96cdce4936c36faf0f5f1ea75650d69fa512ab93 100644 (file)
--- a/gdb/sparc-linux-tdep.c
+++ b/gdb/sparc-linux-tdep.c
@@ -1,12 +1,12 @@
 /* Target-dependent code for GNU/Linux SPARC.
 
-   Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2007 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,
@@ -15,15 +15,14 @@
    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 "dwarf2-frame.h"
-#include "floatformat.h"
 #include "frame.h"
 #include "frame-unwind.h"
+#include "gdbtypes.h"
+#include "regset.h"
 #include "gdbarch.h"
 #include "gdbcore.h"
 #include "osabi.h"
@@ -130,22 +129,18 @@ sparc32_linux_sigframe_init (const struct tramp_frame *self,
    address.  */
 
 static CORE_ADDR
-sparc32_linux_step_trap (unsigned long insn)
+sparc32_linux_step_trap (struct frame_info *frame, unsigned long insn)
 {
   if (insn == 0x91d02010)
     {
-      ULONGEST sc_num;
-
-      regcache_cooked_read_unsigned (current_regcache,
-                                    SPARC_G1_REGNUM, &sc_num);
+      ULONGEST sc_num = get_frame_register_unsigned (frame, SPARC_G1_REGNUM);
 
       /* __NR_rt_sigreturn is 101 and __NR_sigreturn is 216  */
       if (sc_num == 101 || sc_num == 216)
        {
          ULONGEST sp, pc_offset;
 
-         regcache_cooked_read_unsigned (current_regcache,
-                                        SPARC_SP_REGNUM, &sp);
+         sp = get_frame_register_unsigned (frame, SPARC_SP_REGNUM);
 
          /* The kernel puts the sigreturn registers on the stack,
             and this is where the signal unwinding state is take from
@@ -170,11 +165,67 @@ sparc32_linux_step_trap (unsigned long insn)
 }
 \f
 
+const struct sparc_gregset sparc32_linux_core_gregset =
+{
+  32 * 4,                      /* %psr */
+  33 * 4,                      /* %pc */
+  34 * 4,                      /* %npc */
+  35 * 4,                      /* %y */
+  -1,                          /* %wim */
+  -1,                          /* %tbr */
+  1 * 4,                       /* %g1 */
+  16 * 4,                      /* %l0 */
+  4,                           /* y size */
+};
+\f
+
+static void
+sparc32_linux_supply_core_gregset (const struct regset *regset,
+                                  struct regcache *regcache,
+                                  int regnum, const void *gregs, size_t len)
+{
+  sparc32_supply_gregset (&sparc32_linux_core_gregset, regcache, regnum, gregs);
+}
+
+static void
+sparc32_linux_collect_core_gregset (const struct regset *regset,
+                                   const struct regcache *regcache,
+                                   int regnum, void *gregs, size_t len)
+{
+  sparc32_collect_gregset (&sparc32_linux_core_gregset, regcache, regnum, gregs);
+}
+
+static void
+sparc32_linux_supply_core_fpregset (const struct regset *regset,
+                                   struct regcache *regcache,
+                                   int regnum, const void *fpregs, size_t len)
+{
+  sparc32_supply_fpregset (regcache, regnum, fpregs);
+}
+
+static void
+sparc32_linux_collect_core_fpregset (const struct regset *regset,
+                                    const struct regcache *regcache,
+                                    int regnum, void *fpregs, size_t len)
+{
+  sparc32_collect_fpregset (regcache, regnum, fpregs);
+}
+
+\f
+
 static void
 sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
+  tdep->gregset = regset_alloc (gdbarch, sparc32_linux_supply_core_gregset,
+                               sparc32_linux_collect_core_gregset);
+  tdep->sizeof_gregset = 152;
+
+  tdep->fpregset = regset_alloc (gdbarch, sparc32_linux_supply_core_fpregset,
+                                sparc32_linux_collect_core_fpregset);
+  tdep->sizeof_fpregset = 396;
+
   tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_sigframe);
   tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_rt_sigframe);
 
@@ -189,7 +240,7 @@ sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 
   /* GNU/Linux doesn't support the 128-bit `long double' from the psABI.  */
   set_gdbarch_long_double_bit (gdbarch, 64);
-  set_gdbarch_long_double_format (gdbarch, &floatformat_ieee_double_big);
+  set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
 
   /* Enable TLS support.  */
   set_gdbarch_fetch_tls_load_module_address (gdbarch,