merge from gcc

[deliverable/binutils-gdb.git] / gdb / arm-tdep.h

diff --git a/gdb/arm-tdep.h b/gdb/arm-tdep.h
index b8c4711838ed477f47f70427c617cf725dd9721d..3bb76217b7c17f5d7a6469199a069fea52cd6b74 100644 (file)
--- a/gdb/arm-tdep.h
+++ b/gdb/arm-tdep.h
@@ -1,5 +1,5 @@
 /* Common target dependent code for GDB on ARM systems.
-   Copyright 2002, 2003 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -15,8 +15,15 @@
 
    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.  */
+
+#ifndef ARM_TDEP_H
+#define ARM_TDEP_H
+
+/* Forward declarations.  */
+struct gdbarch;
+struct regset;
 
 /* Register numbers of various important registers.  Note that some of
    these values are "real" register numbers, and correspond to the
@@ -45,24 +52,13 @@ enum gdb_regnum {
   ARM_LAST_FP_ARG_REGNUM = ARM_F3_REGNUM
 };
 
-/* Used in target-specific code when we need to know the size of the
-   largest type of register we need to handle.  */
-#define ARM_MAX_REGISTER_RAW_SIZE      12
-#define ARM_MAX_REGISTER_VIRTUAL_SIZE  8
-
 /* Size of integer registers.  */
-#define INT_REGISTER_RAW_SIZE          4
-#define INT_REGISTER_VIRTUAL_SIZE      4
+#define INT_REGISTER_SIZE              4
 
 /* Say how long FP registers are.  Used for documentation purposes and
    code readability in this header.  IEEE extended doubles are 80
    bits.  DWORD aligned they use 96 bits.  */
-#define FP_REGISTER_RAW_SIZE   12
-
-/* GCC doesn't support long doubles (extended IEEE values).  The FP
-   register virtual size is therefore 64 bits.  Used for documentation
-   purposes and code readability in this header.  */
-#define FP_REGISTER_VIRTUAL_SIZE       8
+#define FP_REGISTER_SIZE       12
 
 /* Status registers are the same size as general purpose registers.
    Used for documentation purposes and code readability in this
@@ -109,19 +105,45 @@ enum gdb_regnum {
    only generate 2 of those.  The third is APCS_FLOAT, where arguments to
    functions are passed in floating-point registers.  
 
-   In addition to the traditional models, VFP adds two more.  */
+   In addition to the traditional models, VFP adds two more. 
+
+   If you update this enum, don't forget to update fp_model_strings in 
+   arm-tdep.c.  */
 
 enum arm_float_model
 {
-  ARM_FLOAT_SOFT,
-  ARM_FLOAT_FPA,
-  ARM_FLOAT_SOFT_VFP,
-  ARM_FLOAT_VFP
+  ARM_FLOAT_AUTO,      /* Automatic detection.  Do not set in tdep.  */
+  ARM_FLOAT_SOFT_FPA,  /* Traditional soft-float (mixed-endian on LE ARM).  */
+  ARM_FLOAT_FPA,       /* FPA co-processor.  GCC calling convention.  */
+  ARM_FLOAT_SOFT_VFP,  /* Soft-float with pure-endian doubles.  */
+  ARM_FLOAT_VFP,       /* Full VFP calling convention.  */
+  ARM_FLOAT_LAST       /* Keep at end.  */
+};
+
+/* ABI used by the inferior.  */
+enum arm_abi_kind
+{
+  ARM_ABI_AUTO,
+  ARM_ABI_APCS,
+  ARM_ABI_AAPCS,
+  ARM_ABI_LAST
+};
+
+/* Convention for returning structures.  */
+
+enum struct_return
+{
+  pcc_struct_return,           /* Return "short" structures in memory.  */
+  reg_struct_return            /* Return "short" structures in registers.  */
 };
 
 /* Target-dependent structure in gdbarch.  */
 struct gdbarch_tdep
 {
+  /* The ABI for this architecture.  It should never be set to
+     ARM_ABI_AUTO.  */
+  enum arm_abi_kind arm_abi;
+
   enum arm_float_model fp_model; /* Floating point calling conventions.  */
 
   CORE_ADDR lowest_pc;         /* Lowest address at which instructions 
@@ -136,8 +158,16 @@ struct gdbarch_tdep
                                   If this is negative, longjmp support
                                   will be disabled.  */
   size_t jb_elt_size;          /* And the size of each entry in the buf.  */
+
+  /* Convention for returning structures.  */
+  enum struct_return struct_return;
+
+  /* Cached core file helpers.  */
+  struct regset *gregset, *fpregset;
 };
 
+
+
 #ifndef LOWEST_PC
 #define LOWEST_PC (gdbarch_tdep (current_gdbarch)->lowest_pc)
 #endif
@@ -150,3 +180,14 @@ int arm_pc_is_thumb (CORE_ADDR);
 CORE_ADDR thumb_get_next_pc (CORE_ADDR);
 
 CORE_ADDR arm_get_next_pc (CORE_ADDR);
+
+/* Functions exported from armbsd-tdep.h.  */
+
+/* Return the appropriate register set for the core section identified
+   by SECT_NAME and SECT_SIZE.  */
+
+extern const struct regset *
+  armbsd_regset_from_core_section (struct gdbarch *gdbarch,
+                                  const char *sect_name, size_t sect_size);
+
+#endif /* arm-tdep.h */