-/* Definitions of various defaults for how to do assembler output
- (most of which are designed to be appropriate for GAS or for
- some BSD assembler).
- Copyright (C) 1992, 1996-1999 Free Software Foundation, Inc.
+/* Definitions of various defaults for tm.h macros.
+ Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
This file is part of GNU CC.
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#ifndef GCC_DEFAULTS_H
+#define GCC_DEFAULTS_H
+
+/* Define default standard character escape sequences. */
+#ifndef TARGET_BELL
+# define TARGET_BELL 007
+# define TARGET_BS 010
+# define TARGET_TAB 011
+# define TARGET_NEWLINE 012
+# define TARGET_VT 013
+# define TARGET_FF 014
+# define TARGET_CR 015
+# define TARGET_ESC 033
+#endif
+
/* Store in OUTPUT a string (made with alloca) containing
an assembler-name for a local static variable or function named NAME.
LABELNO is an integer which is different for each call. */
#endif
#ifndef ASM_STABD_OP
-#define ASM_STABD_OP ".stabd"
+#define ASM_STABD_OP "\t.stabd\t"
#endif
/* This is how to output an element of a case-vector that is absolute.
#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
do { \
FILE *_hide_asm_out_file = (MYFILE); \
- unsigned char *_hide_p = (unsigned char *) (MYSTRING); \
+ const unsigned char *_hide_p = (const unsigned char *) (MYSTRING); \
int _hide_thissize = (MYLENGTH); \
{ \
FILE *asm_out_file = _hide_asm_out_file; \
- unsigned char *p = _hide_p; \
+ const unsigned char *p = _hide_p; \
int thissize = _hide_thissize; \
int i; \
fprintf (asm_out_file, "\t.ascii \""); \
register int c = p[i]; \
if (c == '\"' || c == '\\') \
putc ('\\', asm_out_file); \
- if (c >= ' ' && c < 0177) \
+ if (ISPRINT(c)) \
putc (c, asm_out_file); \
else \
{ \
fprintf (asm_out_file, "\\%o", c); \
/* After an octal-escape, if a digit follows, \
terminate one string constant and start another. \
- The Vax assembler fails to stop reading the escape \
+ The VAX assembler fails to stop reading the escape \
after three digits, so this is the only way we \
can get it to parse the data properly. */ \
- if (i < thissize - 1 \
- && p[i + 1] >= '0' && p[i + 1] <= '9') \
+ if (i < thissize - 1 && ISDIGIT(p[i + 1])) \
fprintf (asm_out_file, "\"\n\t.ascii \""); \
} \
} \
while (0)
#endif
-#ifndef ASM_IDENTIFY_GCC
- /* Default the definition, only if ASM_IDENTIFY_GCC is not set,
- because if it is set, we might not want ASM_IDENTIFY_LANGUAGE
- outputting labels, if we do want it to, then it must be defined
- in the tm.h file. */
-#ifndef ASM_IDENTIFY_LANGUAGE
-#define ASM_IDENTIFY_LANGUAGE(FILE) output_lang_identify (FILE);
-#endif
-#endif
-
/* This is how we tell the assembler to equate two values. */
#ifdef SET_ASM_OP
#ifndef ASM_OUTPUT_DEF
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
- do { fprintf ((FILE), "\t%s\t", SET_ASM_OP); \
+ do { fprintf ((FILE), "%s", SET_ASM_OP); \
assemble_name (FILE, LABEL1); \
fprintf (FILE, ","); \
assemble_name (FILE, LABEL2); \
#define ASM_OUTPUT_LABELREF(FILE,NAME) asm_fprintf ((FILE), "%U%s", (NAME))
#endif
+/* Allow target to print debug info labels specially. This is useful for
+ VLIW targets, since debug info labels should go into the middle of
+ instruction bundles instead of breaking them. */
+
+#ifndef ASM_OUTPUT_DEBUG_LABEL
+#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
+ ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM)
+#endif
+
+/* This is how we tell the assembler that a symbol is weak. */
+#ifndef ASM_OUTPUT_WEAK_ALIAS
+#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
+#define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE) \
+ do \
+ { \
+ ASM_WEAKEN_LABEL (STREAM, NAME); \
+ if (VALUE) \
+ ASM_OUTPUT_DEF (STREAM, NAME, VALUE); \
+ } \
+ while (0)
+#endif
+#endif
+
/* This determines whether or not we support weak symbols. */
#ifndef SUPPORTS_WEAK
#ifdef ASM_WEAKEN_LABEL
#endif
#endif
+/* This determines whether or not we support link-once semantics. */
+#ifndef SUPPORTS_ONE_ONLY
+#ifdef MAKE_DECL_ONE_ONLY
+#define SUPPORTS_ONE_ONLY 1
+#else
+#define SUPPORTS_ONE_ONLY 0
+#endif
+#endif
+
/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
provide a weak attribute. Else define it to nothing.
- This would normally belong in gansidecl.h, but SUPPORTS_WEAK is
+ This would normally belong in ansidecl.h, but SUPPORTS_WEAK is
not available at that time.
Note, this is only for use by target files which we know are to be
# endif
#endif
+/* If the target supports init_priority C++ attribute, give
+ SUPPORTS_INIT_PRIORITY a nonzero value. */
+#ifndef SUPPORTS_INIT_PRIORITY
+#define SUPPORTS_INIT_PRIORITY 1
+#endif /* SUPPORTS_INIT_PRIORITY */
+
+/* If duplicate library search directories can be removed from a
+ linker command without changing the linker's semantics, give this
+ symbol a nonzero. */
+#ifndef LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
+#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 0
+#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
+
/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
the rest of the DWARF 2 frame unwind support is also provided. */
#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
#define DWARF2_UNWIND_INFO 1
#endif
-#if defined (DWARF2_UNWIND_INFO) && !defined (EH_FRAME_SECTION)
-# if defined (EH_FRAME_SECTION_ASM_OP)
-# define EH_FRAME_SECTION() eh_frame_section();
-# else
- /* If we aren't using crtstuff to run ctors, don't use it for EH. */
-# if defined (ASM_OUTPUT_SECTION_NAME) && defined (ASM_OUTPUT_CONSTRUCTOR)
-# define EH_FRAME_SECTION_ASM_OP ".section\t.eh_frame,\"aw\""
-# define EH_FRAME_SECTION() \
- do { named_section (NULL_TREE, ".eh_frame", 0); } while (0)
-# endif
-# endif
+/* If we have named sections, and we're using crtstuff to run ctors,
+ use them for registering eh frame information. */
+#if defined (TARGET_ASM_NAMED_SECTION) && !defined(EH_FRAME_IN_DATA_SECTION)
+#ifndef EH_FRAME_SECTION_NAME
+#define EH_FRAME_SECTION_NAME ".eh_frame"
+#endif
+#endif
+
+/* If we have named section and we support weak symbols, then use the
+ .jcr section for recording java classes which need to be registered
+ at program start-up time. */
+#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
+#ifndef JCR_SECTION_NAME
+#define JCR_SECTION_NAME ".jcr"
+#endif
+#endif
+
+/* If we have no definition for UNIQUE_SECTION, but do have the
+ ability to generate arbitrary sections, construct something
+ reasonable. */
+#ifndef UNIQUE_SECTION
+#define UNIQUE_SECTION(DECL,RELOC) \
+do { \
+ int len; \
+ const char *name; \
+ char *string; \
+ \
+ name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
+ /* Strip off any encoding in name. */ \
+ STRIP_NAME_ENCODING (name, name); \
+ \
+ len = strlen (name) + 1; \
+ string = alloca (len + 1); \
+ sprintf (string, ".%s", name); \
+ \
+ DECL_SECTION_NAME (DECL) = build_string (len, string); \
+} while (0)
#endif
/* By default, we generate a label at the beginning and end of the
#ifndef DWARF_FRAME_REGISTERS
#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
#endif
+
+/* Default sizes for base C types. If the sizes are different for
+ your target, you should override these values by defining the
+ appropriate symbols in your tm.h file. */
+
+#ifndef CHAR_TYPE_SIZE
+#define CHAR_TYPE_SIZE BITS_PER_UNIT
+#endif
+
+#ifndef SHORT_TYPE_SIZE
+#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
+#endif
+
+#ifndef INT_TYPE_SIZE
+#define INT_TYPE_SIZE BITS_PER_WORD
+#endif
+
+#ifndef LONG_TYPE_SIZE
+#define LONG_TYPE_SIZE BITS_PER_WORD
+#endif
+
+#ifndef LONG_LONG_TYPE_SIZE
+#define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2)
+#endif
+
+#ifndef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
+#endif
+
+#ifndef WCHAR_UNSIGNED
+#define WCHAR_UNSIGNED 0
+#endif
+
+#ifndef FLOAT_TYPE_SIZE
+#define FLOAT_TYPE_SIZE BITS_PER_WORD
+#endif
+
+#ifndef DOUBLE_TYPE_SIZE
+#define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
+#endif
+
+#ifndef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
+#endif
+
+#ifndef BUILD_VA_LIST_TYPE
+#define BUILD_VA_LIST_TYPE(X) ((X) = ptr_type_node)
+#endif
+
+#ifndef PIC_OFFSET_TABLE_REGNUM
+#define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM
+#endif
+
+/* Type used by GCOV counters. Use 64bit data type if target supports
+ it. */
+#if LONG_TYPE_SIZE >= 64
+#define GCOV_TYPE_SIZE LONG_TYPE_SIZE
+#else
+#define GCOV_TYPE_SIZE LONG_LONG_TYPE_SIZE
+#endif
+
+
+/* By default, the preprocessor should be invoked the same way in C++
+ as in C. */
+#ifndef CPLUSPLUS_CPP_SPEC
+#ifdef CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC CPP_SPEC
+#endif
+#endif
+
+#ifndef ACCUMULATE_OUTGOING_ARGS
+#define ACCUMULATE_OUTGOING_ARGS 0
+#endif
+
+/* Supply a default definition for PUSH_ARGS. */
+#ifndef PUSH_ARGS
+#ifdef PUSH_ROUNDING
+#define PUSH_ARGS !ACCUMULATE_OUTGOING_ARGS
+#else
+#define PUSH_ARGS 0
+#endif
+#endif
+
+/* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY.
+ STACK_BOUNDARY is required. */
+#ifndef PREFERRED_STACK_BOUNDARY
+#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY
+#endif
+
+/* Select a format to encode pointers in exception handling data. We
+ prefer those that result in fewer dynamic relocations. Assume no
+ special support here and encode direct references. */
+#ifndef ASM_PREFERRED_EH_DATA_FORMAT
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) DW_EH_PE_absptr
+#endif
+
+/* By default, the C++ compiler will use the lowest bit of the pointer
+ to function to indicate a pointer-to-member-function points to a
+ virtual member function. However, if FUNCTION_BOUNDARY indicates
+ function addresses aren't always even, the lowest bit of the delta
+ field will be used. */
+#ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION
+#define TARGET_PTRMEMFUNC_VBIT_LOCATION \
+ (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \
+ ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta)
+#endif
+
+/* True if it is possible to profile code that does not have a frame
+ pointer. */
+
+#ifndef TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER
+#define TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER true
+#endif
+
+#endif /* ! GCC_DEFAULTS_H */
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