2007-08-02 Michael Snyder <msnyder@access-company.com>

[deliverable/binutils-gdb.git] / gdb / i386-sol2-nat.c

diff --git a/gdb/i386-sol2-nat.c b/gdb/i386-sol2-nat.c
index cdfb631b17de97ba416c5e9119afcba45ef1e390..d47ca6181234c17e685e8f793321ccd88e0ffd70 100644 (file)
--- a/gdb/i386-sol2-nat.c
+++ b/gdb/i386-sol2-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for Solaris x86.
 
-   Copyright 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -16,8 +16,8 @@
 
    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 "regcache.h"
@@ -46,28 +46,82 @@
 #include "amd64-nat.h"
 #include "amd64-tdep.h"
 
+/* Mapping between the general-purpose registers in gregset_t format
+   and GDB's register cache layout.  */
+
+/* From <sys/regset.h>.  */
+static int amd64_sol2_gregset64_reg_offset[] = {
+  14 * 8,                      /* %rax */
+  11 * 8,                      /* %rbx */
+  13 * 8,                      /* %rcx */
+  12 * 8,                      /* %rdx */
+  9 * 8,                       /* %rsi */
+  8 * 8,                       /* %rdi */
+  10 * 8,                      /* %rbp */
+  20 * 8,                      /* %rsp */
+  7 * 8,                       /* %r8 ... */
+  6 * 8,
+  5 * 8,
+  4 * 8,
+  3 * 8,
+  2 * 8,
+  1 * 8,
+  0 * 8,                       /* ... %r15 */
+  17 * 8,                      /* %rip */
+  16 * 8,                      /* %eflags */
+  18 * 8,                      /* %cs */
+  21 * 8,                      /* %ss */
+  25 * 8,                      /* %ds */
+  24 * 8,                      /* %es */
+  22 * 8,                      /* %fs */
+  23 * 8                       /* %gs */
+};
+
+/* 32-bit registers are provided by Solaris in 64-bit format, so just
+   give a subset of the list above.  */
+static int amd64_sol2_gregset32_reg_offset[] = {
+  14 * 8,                      /* %eax */
+  13 * 8,                      /* %ecx */
+  12 * 8,                      /* %edx */
+  11 * 8,                      /* %ebx */
+  20 * 8,                      /* %esp */
+  10 * 8,                      /* %ebp */
+  9 * 8,                       /* %esi */
+  8 * 8,                       /* %edi */
+  17 * 8,                      /* %eip */
+  16 * 8,                      /* %eflags */
+  18 * 8,                      /* %cs */
+  21 * 8,                      /* %ss */
+  25 * 8,                      /* %ds */
+  24 * 8,                      /* %es */
+  22 * 8,                      /* %fs */
+  23 * 8                       /* %gs */
+};
+
 void
-supply_gregset (prgregset_t *gregs)
+supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
 {
-  amd64_supply_native_gregset (current_regcache, -1, gregs);
+  amd64_supply_native_gregset (regcache, gregs, -1);
 }
 
 void
-supply_fpregset (prfpregset_t *fpregs)
+supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
 {
-  amd64_supply_fxsave (current_regcache, -1, fpregs);
+  amd64_supply_fxsave (regcache, -1, fpregs);
 }
 
 void
-fill_gregset (prgregset_t *gregs, int regnum)
+fill_gregset (const struct regcache *regcache,
+             prgregset_t *gregs, int regnum)
 {
-  amd64_collect_native_gregset (current_regcache, regnum, gregs);
+  amd64_collect_native_gregset (regcache, gregs, regnum);
 }
 
 void
-fill_fpregset (prfpregset_t *fpregs, int regnum)
+fill_fpregset (const struct regcache *regcache,
+              prfpregset_t *fpregs, int regnum)
 {
-  amd64_collect_fxsave (current_regcache, regnum, fpregs);
+  amd64_collect_fxsave (regcache, regnum, fpregs);
 }
 
 #else
@@ -75,3 +129,19 @@ fill_fpregset (prfpregset_t *fpregs, int regnum)
 /* For 32-bit Solaris x86, we use the Unix SVR4 code in i386v4-nat.c.  */
 
 #endif
+
+/* Provide a prototype to silence -Wmissing-prototypes.  */
+extern void _initialize_amd64_sol2_nat (void);
+
+void
+_initialize_amd64_sol2_nat (void)
+{
+#if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64)
+  amd64_native_gregset32_reg_offset = amd64_sol2_gregset32_reg_offset;
+  amd64_native_gregset32_num_regs =
+    ARRAY_SIZE (amd64_sol2_gregset32_reg_offset);
+  amd64_native_gregset64_reg_offset = amd64_sol2_gregset64_reg_offset;
+  amd64_native_gregset64_num_regs =
+    ARRAY_SIZE (amd64_sol2_gregset64_reg_offset);
+#endif
+}