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* system.h (ENCODE_SECTION_INFO): Poison it.
[pf3gnuchains/gcc-fork.git] / gcc / target-def.h
index ec0b660..5570816 100644 (file)
@@ -1,5 +1,5 @@
 /* Default initializers for a generic GCC target.
-   Copyright (C) 2001 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
 
 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
@@ -19,39 +19,221 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  You are forbidden to forbid anyone else to use, share and improve
  what you give them.   Help stamp out software-hoarding!  */
 
-/* See target.h for a desciption of what this file contains and how to
+/* See target.h for a description of what this file contains and how to
    use it.
 
    We want to have non-NULL default definitions of all hook functions,
    even if they do nothing.  */
 
+/* Note that if one of these macros must be defined in an OS .h file
+   rather than the .c file, then we need to wrap the default
+   definition in a #ifndef, since files include tm.h before this one.  */
+
 /* Assembler output.  */
+#define TARGET_ASM_OPEN_PAREN "("
+#define TARGET_ASM_CLOSE_PAREN ")"
+#define TARGET_ASM_BYTE_OP "\t.byte\t"
+
+#define TARGET_ASM_ALIGNED_HI_OP "\t.short\t"
+#define TARGET_ASM_ALIGNED_SI_OP "\t.long\t"
+#define TARGET_ASM_ALIGNED_DI_OP NULL
+#define TARGET_ASM_ALIGNED_TI_OP NULL
+
+/* GAS and SYSV4 assemblers accept these.  */
+#if defined (OBJECT_FORMAT_ELF) || defined (OBJECT_FORMAT_ROSE)
+#define TARGET_ASM_UNALIGNED_HI_OP "\t.2byte\t"
+#define TARGET_ASM_UNALIGNED_SI_OP "\t.4byte\t"
+#define TARGET_ASM_UNALIGNED_DI_OP "\t.8byte\t"
+#define TARGET_ASM_UNALIGNED_TI_OP NULL
+#else
+#define TARGET_ASM_UNALIGNED_HI_OP NULL
+#define TARGET_ASM_UNALIGNED_SI_OP NULL
+#define TARGET_ASM_UNALIGNED_DI_OP NULL
+#define TARGET_ASM_UNALIGNED_TI_OP NULL
+#endif /* OBJECT_FORMAT_ELF || OBJECT_FORMAT_ROSE */
+
+#define TARGET_ASM_INTEGER default_assemble_integer
+
 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
 #define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE no_asm_to_stream
 
-#define TARGET_ASM_OUT {TARGET_ASM_FUNCTION_PROLOGUE,          \
+#ifndef TARGET_ASM_SELECT_SECTION
+#define TARGET_ASM_SELECT_SECTION default_select_section
+#endif
+
+#ifndef TARGET_ASM_UNIQUE_SECTION
+#define TARGET_ASM_UNIQUE_SECTION default_unique_section
+#endif
+
+#ifndef TARGET_ASM_SELECT_RTX_SECTION
+#define TARGET_ASM_SELECT_RTX_SECTION default_select_rtx_section
+#endif
+
+#if !defined(TARGET_ASM_CONSTRUCTOR) && !defined(USE_COLLECT2)
+# ifdef CTORS_SECTION_ASM_OP
+#  define TARGET_ASM_CONSTRUCTOR default_ctor_section_asm_out_constructor
+# else
+#  ifdef TARGET_ASM_NAMED_SECTION
+#   define TARGET_ASM_CONSTRUCTOR default_named_section_asm_out_constructor
+#  else
+#   define TARGET_ASM_CONSTRUCTOR default_stabs_asm_out_constructor
+#  endif
+# endif
+#endif
+
+#if !defined(TARGET_ASM_DESTRUCTOR) && !defined(USE_COLLECT2)
+# ifdef DTORS_SECTION_ASM_OP
+#  define TARGET_ASM_DESTRUCTOR default_dtor_section_asm_out_destructor
+# else
+#  ifdef TARGET_ASM_NAMED_SECTION
+#   define TARGET_ASM_DESTRUCTOR default_named_section_asm_out_destructor
+#  else
+#   define TARGET_ASM_DESTRUCTOR default_stabs_asm_out_destructor
+#  endif
+# endif
+#endif
+
+#if defined(TARGET_ASM_CONSTRUCTOR) && defined(TARGET_ASM_DESTRUCTOR)
+#define TARGET_HAVE_CTORS_DTORS true
+#else
+#define TARGET_HAVE_CTORS_DTORS false
+#define TARGET_ASM_CONSTRUCTOR NULL
+#define TARGET_ASM_DESTRUCTOR NULL
+#endif
+
+#ifdef TARGET_ASM_NAMED_SECTION
+#define TARGET_HAVE_NAMED_SECTIONS true
+#else
+#define TARGET_ASM_NAMED_SECTION default_no_named_section
+#define TARGET_HAVE_NAMED_SECTIONS false
+#endif
+
+#ifndef TARGET_ASM_EXCEPTION_SECTION
+#define TARGET_ASM_EXCEPTION_SECTION default_exception_section
+#endif
+
+#ifndef TARGET_ASM_EH_FRAME_SECTION
+#define TARGET_ASM_EH_FRAME_SECTION default_eh_frame_section
+#endif
+
+#define TARGET_ASM_ALIGNED_INT_OP                              \
+                      {TARGET_ASM_ALIGNED_HI_OP,               \
+                       TARGET_ASM_ALIGNED_SI_OP,               \
+                       TARGET_ASM_ALIGNED_DI_OP,               \
+                       TARGET_ASM_ALIGNED_TI_OP}
+
+#define TARGET_ASM_UNALIGNED_INT_OP                            \
+                      {TARGET_ASM_UNALIGNED_HI_OP,             \
+                       TARGET_ASM_UNALIGNED_SI_OP,             \
+                       TARGET_ASM_UNALIGNED_DI_OP,             \
+                       TARGET_ASM_UNALIGNED_TI_OP}
+
+#define TARGET_ASM_OUT {TARGET_ASM_OPEN_PAREN,                 \
+                       TARGET_ASM_CLOSE_PAREN,                 \
+                       TARGET_ASM_BYTE_OP,                     \
+                       TARGET_ASM_ALIGNED_INT_OP,              \
+                       TARGET_ASM_UNALIGNED_INT_OP,            \
+                       TARGET_ASM_INTEGER,                     \
+                       TARGET_ASM_FUNCTION_PROLOGUE,           \
                        TARGET_ASM_FUNCTION_END_PROLOGUE,       \
                        TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \
-                       TARGET_ASM_FUNCTION_EPILOGUE}
+                       TARGET_ASM_FUNCTION_EPILOGUE,           \
+                       TARGET_ASM_NAMED_SECTION,               \
+                       TARGET_ASM_EXCEPTION_SECTION,           \
+                       TARGET_ASM_EH_FRAME_SECTION,            \
+                       TARGET_ASM_SELECT_SECTION,              \
+                       TARGET_ASM_SELECT_RTX_SECTION,          \
+                       TARGET_ASM_UNIQUE_SECTION,              \
+                       TARGET_ASM_CONSTRUCTOR,                 \
+                       TARGET_ASM_DESTRUCTOR}
+
+/* Scheduler hooks.  All of these default to null pointers, which
+   haifa-sched.c looks for and handles.  */
+#define TARGET_SCHED_ADJUST_COST 0
+#define TARGET_SCHED_ADJUST_PRIORITY 0
+#define TARGET_SCHED_ISSUE_RATE 0
+#define TARGET_SCHED_VARIABLE_ISSUE 0
+#define TARGET_SCHED_INIT 0
+#define TARGET_SCHED_FINISH 0
+#define TARGET_SCHED_REORDER 0
+#define TARGET_SCHED_REORDER2 0
+#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE 0
+#define TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN 0
+#define TARGET_SCHED_DFA_PRE_CYCLE_INSN 0
+#define TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN 0
+#define TARGET_SCHED_DFA_POST_CYCLE_INSN 0
+#define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD 0
+#define TARGET_SCHED_INIT_DFA_BUBBLES 0
+#define TARGET_SCHED_DFA_BUBBLE 0
+
+#define TARGET_SCHED                                           \
+  {TARGET_SCHED_ADJUST_COST,                                   \
+   TARGET_SCHED_ADJUST_PRIORITY,                               \
+   TARGET_SCHED_ISSUE_RATE,                                    \
+   TARGET_SCHED_VARIABLE_ISSUE,                                        \
+   TARGET_SCHED_INIT,                                          \
+   TARGET_SCHED_FINISH,                                                \
+   TARGET_SCHED_REORDER,                                       \
+   TARGET_SCHED_REORDER2,                                      \
+   TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,                    \
+   TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,                       \
+   TARGET_SCHED_DFA_PRE_CYCLE_INSN,                            \
+   TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,                      \
+   TARGET_SCHED_DFA_POST_CYCLE_INSN,                           \
+   TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,           \
+   TARGET_SCHED_INIT_DFA_BUBBLES,                              \
+   TARGET_SCHED_DFA_BUBBLE}
 
 /* All in tree.c.  */
 #define TARGET_MERGE_DECL_ATTRIBUTES merge_decl_attributes
 #define TARGET_MERGE_TYPE_ATTRIBUTES merge_type_attributes
-#define TARGET_VALID_DECL_ATTRIBUTE default_valid_attribute_p
-#define TARGET_VALID_TYPE_ATTRIBUTE default_valid_attribute_p
+#define TARGET_ATTRIBUTE_TABLE NULL
 #define TARGET_COMP_TYPE_ATTRIBUTES default_comp_type_attributes
 #define TARGET_SET_DEFAULT_TYPE_ATTRIBUTES default_set_default_type_attributes
+#define TARGET_INSERT_ATTRIBUTES default_insert_attributes
+#define TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P default_function_attribute_inlinable_p
+#define TARGET_MS_BITFIELD_LAYOUT_P default_ms_bitfield_layout_p
+
+/* In builtins.c.  */
+#define TARGET_INIT_BUILTINS default_init_builtins
+#define TARGET_EXPAND_BUILTIN default_expand_builtin
+
+/* In varasm.c.  */
+#ifndef TARGET_SECTION_TYPE_FLAGS
+#define TARGET_SECTION_TYPE_FLAGS default_section_type_flags
+#endif
+
+/* In hook.c.  */
+#define TARGET_CANNOT_MODIFY_JUMPS_P hook_void_bool_false
+#define TARGET_IN_SMALL_DATA_P hook_tree_bool_false
+
+#ifndef TARGET_ENCODE_SECTION_INFO
+#define TARGET_ENCODE_SECTION_INFO hook_tree_int_void
+#endif
 
 /* The whole shebang.  */
 #define TARGET_INITIALIZER                     \
 {                                              \
   TARGET_ASM_OUT,                              \
+  TARGET_SCHED,                                        \
   TARGET_MERGE_DECL_ATTRIBUTES,                        \
   TARGET_MERGE_TYPE_ATTRIBUTES,                        \
-  TARGET_VALID_DECL_ATTRIBUTE,                 \
-  TARGET_VALID_TYPE_ATTRIBUTE,                 \
+  TARGET_ATTRIBUTE_TABLE,                      \
   TARGET_COMP_TYPE_ATTRIBUTES,                 \
-  TARGET_SET_DEFAULT_TYPE_ATTRIBUTES           \
+  TARGET_SET_DEFAULT_TYPE_ATTRIBUTES,          \
+  TARGET_INSERT_ATTRIBUTES,                    \
+  TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,       \
+  TARGET_MS_BITFIELD_LAYOUT_P,                 \
+  TARGET_INIT_BUILTINS,                                \
+  TARGET_EXPAND_BUILTIN,                       \
+  TARGET_SECTION_TYPE_FLAGS,                   \
+  TARGET_HAVE_NAMED_SECTIONS,                  \
+  TARGET_HAVE_CTORS_DTORS,                     \
+  TARGET_CANNOT_MODIFY_JUMPS_P,                        \
+  TARGET_IN_SMALL_DATA_P,                      \
+  TARGET_ENCODE_SECTION_INFO                   \
 }
+
+#include "hooks.h"