Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC 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, or (at your option)
-any later version.
+GCC 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, or (at your option) any later
+version.
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to 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. */
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 && ISDIGIT(p[i + 1])) \
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
#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 "\t.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. */
-#ifdef ASM_OUTPUT_SECTION_NAME
#ifndef UNIQUE_SECTION
#define UNIQUE_SECTION(DECL,RELOC) \
do { \
DECL_SECTION_NAME (DECL) = build_string (len, string); \
} while (0)
#endif
-#ifndef UNIQUE_SECTION_P
-#define UNIQUE_SECTION_P(DECL) 0
-#endif
-#endif
/* By default, we generate a label at the beginning and end of the
text section, and compute the size of the text section by
#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
#endif
#endif
-#endif /* GCC_DEFAULTS_H */
+/* 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
+
+/* GAS and SYSV4 assemblers accept these. */
+#ifdef OBJECT_FORMAT_ELF
+#ifndef UNALIGNED_SHORT_ASM_OP
+#define UNALIGNED_SHORT_ASM_OP "\t.2byte\t"
+#endif
+#ifndef UNALIGNED_INT_ASM_OP
+#define UNALIGNED_INT_ASM_OP "\t.4byte\t"
+#endif
+#ifndef UNALIGNED_DOUBLE_INT_ASM_OP
+#define UNALIGNED_DOUBLE_INT_ASM_OP "\t.8byte\t"
+#endif
+#endif /* OBJECT_FORMAT_ELF */
+
+#ifndef ASM_BYTE_OP
+#define ASM_BYTE_OP "\t.byte\t"
+#endif
+#endif /* ! GCC_DEFAULTS_H */
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