190075Sobrien/* Definitions of various defaults for tm.h macros. 2169689Skan Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 3169689Skan 2005 490075Sobrien Free Software Foundation, Inc. 551885Sobrien Contributed by Ron Guilmette (rfg@monkeys.com) 618334Speter 790075SobrienThis file is part of GCC. 818334Speter 990075SobrienGCC is free software; you can redistribute it and/or modify it under 1090075Sobrienthe terms of the GNU General Public License as published by the Free 1190075SobrienSoftware Foundation; either version 2, or (at your option) any later 1290075Sobrienversion. 1318334Speter 1490075SobrienGCC is distributed in the hope that it will be useful, but WITHOUT ANY 1590075SobrienWARRANTY; without even the implied warranty of MERCHANTABILITY or 1690075SobrienFITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1790075Sobrienfor more details. 1818334Speter 1918334SpeterYou should have received a copy of the GNU General Public License 2090075Sobrienalong with GCC; see the file COPYING. If not, write to the Free 21169689SkanSoftware Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 22169689Skan02110-1301, USA. */ 2318334Speter 2490075Sobrien#ifndef GCC_DEFAULTS_H 2590075Sobrien#define GCC_DEFAULTS_H 2690075Sobrien 27117395Skan#ifndef GET_ENVIRONMENT 28117395Skan#define GET_ENVIRONMENT(VALUE, NAME) do { (VALUE) = getenv (NAME); } while (0) 29117395Skan#endif 30117395Skan 31132718Skan#define obstack_chunk_alloc ((void *(*) (long)) xmalloc) 32132718Skan#define obstack_chunk_free ((void (*) (void *)) free) 33132718Skan#define OBSTACK_CHUNK_SIZE 0 34132718Skan#define gcc_obstack_init(OBSTACK) \ 35132718Skan _obstack_begin ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \ 36132718Skan obstack_chunk_alloc, \ 37132718Skan obstack_chunk_free) 38117395Skan 39132718Skan/* Store in OUTPUT a string (made with alloca) containing an 40132718Skan assembler-name for a local static variable or function named NAME. 4118334Speter LABELNO is an integer which is different for each call. */ 4218334Speter 43132718Skan#ifndef ASM_PN_FORMAT 44132718Skan# ifndef NO_DOT_IN_LABEL 45132718Skan# define ASM_PN_FORMAT "%s.%lu" 46132718Skan# else 47132718Skan# ifndef NO_DOLLAR_IN_LABEL 48132718Skan# define ASM_PN_FORMAT "%s$%lu" 49132718Skan# else 50132718Skan# define ASM_PN_FORMAT "__%s_%lu" 51132718Skan# endif 52132718Skan# endif 53132718Skan#endif /* ! ASM_PN_FORMAT */ 54132718Skan 5518334Speter#ifndef ASM_FORMAT_PRIVATE_NAME 56132718Skan# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ 57132718Skan do { const char *const name_ = (NAME); \ 58169689Skan char *const output_ = (OUTPUT) = \ 59169689Skan (char *) alloca (strlen (name_) + 32); \ 60132718Skan sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \ 6118334Speter } while (0) 6218334Speter#endif 6318334Speter 64132718Skan/* Choose a reasonable default for ASM_OUTPUT_ASCII. */ 6518334Speter 6618334Speter#ifndef ASM_OUTPUT_ASCII 6718334Speter#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \ 6818334Speter do { \ 6918334Speter FILE *_hide_asm_out_file = (MYFILE); \ 7090075Sobrien const unsigned char *_hide_p = (const unsigned char *) (MYSTRING); \ 7118334Speter int _hide_thissize = (MYLENGTH); \ 7218334Speter { \ 7318334Speter FILE *asm_out_file = _hide_asm_out_file; \ 7490075Sobrien const unsigned char *p = _hide_p; \ 7518334Speter int thissize = _hide_thissize; \ 7618334Speter int i; \ 7718334Speter fprintf (asm_out_file, "\t.ascii \""); \ 7818334Speter \ 7918334Speter for (i = 0; i < thissize; i++) \ 8018334Speter { \ 8190075Sobrien int c = p[i]; \ 8218334Speter if (c == '\"' || c == '\\') \ 8318334Speter putc ('\\', asm_out_file); \ 8490075Sobrien if (ISPRINT(c)) \ 8518334Speter putc (c, asm_out_file); \ 8618334Speter else \ 8718334Speter { \ 8818334Speter fprintf (asm_out_file, "\\%o", c); \ 8918334Speter /* After an octal-escape, if a digit follows, \ 9018334Speter terminate one string constant and start another. \ 9190075Sobrien The VAX assembler fails to stop reading the escape \ 9218334Speter after three digits, so this is the only way we \ 9318334Speter can get it to parse the data properly. */ \ 9490075Sobrien if (i < thissize - 1 && ISDIGIT(p[i + 1])) \ 9518334Speter fprintf (asm_out_file, "\"\n\t.ascii \""); \ 9618334Speter } \ 9718334Speter } \ 9818334Speter fprintf (asm_out_file, "\"\n"); \ 9918334Speter } \ 10018334Speter } \ 10118334Speter while (0) 10218334Speter#endif 10318334Speter 10418334Speter/* This is how we tell the assembler to equate two values. */ 10518334Speter#ifdef SET_ASM_OP 10618334Speter#ifndef ASM_OUTPUT_DEF 10718334Speter#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ 10890075Sobrien do { fprintf ((FILE), "%s", SET_ASM_OP); \ 10918334Speter assemble_name (FILE, LABEL1); \ 11018334Speter fprintf (FILE, ","); \ 11118334Speter assemble_name (FILE, LABEL2); \ 11218334Speter fprintf (FILE, "\n"); \ 11318334Speter } while (0) 11418334Speter#endif 11518334Speter#endif 11618334Speter 117169689Skan#if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON) 118169689Skan#define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \ 119169689Skan do \ 120169689Skan { \ 121169689Skan fprintf ((FILE), "\t.tls_common\t"); \ 122169689Skan assemble_name ((FILE), (NAME)); \ 123169689Skan fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ 124169689Skan (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \ 125169689Skan } \ 126169689Skan while (0) 127169689Skan#endif 128169689Skan 129146895Skan/* Decide whether to defer emitting the assembler output for an equate 130146895Skan of two values. The default is to not defer output. */ 131146895Skan#ifndef TARGET_DEFERRED_OUTPUT_DEFS 132146895Skan#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false 133146895Skan#endif 134146895Skan 135117395Skan/* This is how to output the definition of a user-level label named 136117395Skan NAME, such as the label on a static function or variable NAME. */ 137117395Skan 138117395Skan#ifndef ASM_OUTPUT_LABEL 139117395Skan#define ASM_OUTPUT_LABEL(FILE,NAME) \ 140117395Skan do { assemble_name ((FILE), (NAME)); fputs (":\n", (FILE)); } while (0) 141117395Skan#endif 142117395Skan 143169689Skan/* Output the definition of a compiler-generated label named NAME. */ 144169689Skan#ifndef ASM_OUTPUT_INTERNAL_LABEL 145169689Skan#define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME) \ 146169689Skan do { \ 147169689Skan assemble_name_raw ((FILE), (NAME)); \ 148169689Skan fputs (":\n", (FILE)); \ 149169689Skan } while (0) 150169689Skan#endif 151169689Skan 15251885Sobrien/* This is how to output a reference to a user-level label named NAME. */ 15351885Sobrien 15451885Sobrien#ifndef ASM_OUTPUT_LABELREF 15556173Sobrien#define ASM_OUTPUT_LABELREF(FILE,NAME) asm_fprintf ((FILE), "%U%s", (NAME)) 15651885Sobrien#endif 15751885Sobrien 15890075Sobrien/* Allow target to print debug info labels specially. This is useful for 15990075Sobrien VLIW targets, since debug info labels should go into the middle of 16090075Sobrien instruction bundles instead of breaking them. */ 16190075Sobrien 16290075Sobrien#ifndef ASM_OUTPUT_DEBUG_LABEL 16390075Sobrien#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \ 164132718Skan (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM) 16590075Sobrien#endif 16690075Sobrien 16790075Sobrien/* This is how we tell the assembler that a symbol is weak. */ 16890075Sobrien#ifndef ASM_OUTPUT_WEAK_ALIAS 16990075Sobrien#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF) 17090075Sobrien#define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE) \ 17190075Sobrien do \ 17290075Sobrien { \ 17390075Sobrien ASM_WEAKEN_LABEL (STREAM, NAME); \ 17490075Sobrien if (VALUE) \ 17590075Sobrien ASM_OUTPUT_DEF (STREAM, NAME, VALUE); \ 17690075Sobrien } \ 17790075Sobrien while (0) 17890075Sobrien#endif 17990075Sobrien#endif 18090075Sobrien 181169689Skan/* This is how we tell the assembler that a symbol is a weak alias to 182169689Skan another symbol that doesn't require the other symbol to be defined. 183169689Skan Uses of the former will turn into weak uses of the latter, i.e., 184169689Skan uses that, in case the latter is undefined, will not cause errors, 185169689Skan and will add it to the symbol table as weak undefined. However, if 186169689Skan the latter is referenced directly, a strong reference prevails. */ 187169689Skan#ifndef ASM_OUTPUT_WEAKREF 188169689Skan#if defined HAVE_GAS_WEAKREF 189169689Skan#define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \ 190169689Skan do \ 191169689Skan { \ 192169689Skan fprintf ((FILE), "\t.weakref\t"); \ 193169689Skan assemble_name ((FILE), (NAME)); \ 194169689Skan fprintf ((FILE), ","); \ 195169689Skan assemble_name ((FILE), (VALUE)); \ 196169689Skan fprintf ((FILE), "\n"); \ 197169689Skan } \ 198169689Skan while (0) 199169689Skan#endif 200169689Skan#endif 201169689Skan 202117395Skan/* How to emit a .type directive. */ 203117395Skan#ifndef ASM_OUTPUT_TYPE_DIRECTIVE 204117395Skan#if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT 205117395Skan#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \ 206117395Skan do \ 207117395Skan { \ 208117395Skan fputs (TYPE_ASM_OP, STREAM); \ 209117395Skan assemble_name (STREAM, NAME); \ 210117395Skan fputs (", ", STREAM); \ 211117395Skan fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \ 212117395Skan putc ('\n', STREAM); \ 213117395Skan } \ 214117395Skan while (0) 215117395Skan#endif 216117395Skan#endif 217117395Skan 218117395Skan/* How to emit a .size directive. */ 219117395Skan#ifndef ASM_OUTPUT_SIZE_DIRECTIVE 220117395Skan#ifdef SIZE_ASM_OP 221117395Skan#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \ 222117395Skan do \ 223117395Skan { \ 224117395Skan HOST_WIDE_INT size_ = (SIZE); \ 225117395Skan fputs (SIZE_ASM_OP, STREAM); \ 226117395Skan assemble_name (STREAM, NAME); \ 227132718Skan fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \ 228117395Skan } \ 229117395Skan while (0) 230117395Skan 231117395Skan#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \ 232117395Skan do \ 233117395Skan { \ 234117395Skan fputs (SIZE_ASM_OP, STREAM); \ 235117395Skan assemble_name (STREAM, NAME); \ 236117395Skan fputs (", .-", STREAM); \ 237117395Skan assemble_name (STREAM, NAME); \ 238117395Skan putc ('\n', STREAM); \ 239117395Skan } \ 240117395Skan while (0) 241117395Skan 242117395Skan#endif 243117395Skan#endif 244117395Skan 24518334Speter/* This determines whether or not we support weak symbols. */ 24618334Speter#ifndef SUPPORTS_WEAK 24796263Sobrien#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL) 24818334Speter#define SUPPORTS_WEAK 1 24918334Speter#else 25018334Speter#define SUPPORTS_WEAK 0 25118334Speter#endif 25218334Speter#endif 25351885Sobrien 25490075Sobrien/* This determines whether or not we support link-once semantics. */ 25590075Sobrien#ifndef SUPPORTS_ONE_ONLY 25690075Sobrien#ifdef MAKE_DECL_ONE_ONLY 25790075Sobrien#define SUPPORTS_ONE_ONLY 1 25890075Sobrien#else 25990075Sobrien#define SUPPORTS_ONE_ONLY 0 26090075Sobrien#endif 26190075Sobrien#endif 26290075Sobrien 263169689Skan/* This determines whether weak symbols must be left out of a static 264169689Skan archive's table of contents. Defining this macro to be nonzero has 265169689Skan the consequence that certain symbols will not be made weak that 266169689Skan otherwise would be. The C++ ABI requires this macro to be zero; 267169689Skan see the documentation. */ 268169689Skan#ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC 269169689Skan#define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0 270169689Skan#endif 271169689Skan 272169689Skan/* This determines whether or not we need linkonce unwind information. */ 273169689Skan#ifndef TARGET_USES_WEAK_UNWIND_INFO 274169689Skan#define TARGET_USES_WEAK_UNWIND_INFO 0 275169689Skan#endif 276169689Skan 277117395Skan/* By default, there is no prefix on user-defined symbols. */ 278117395Skan#ifndef USER_LABEL_PREFIX 279117395Skan#define USER_LABEL_PREFIX "" 280117395Skan#endif 281117395Skan 28256173Sobrien/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to 283169689Skan provide a weak attribute. Else define it to nothing. 28456173Sobrien 28590075Sobrien This would normally belong in ansidecl.h, but SUPPORTS_WEAK is 28656173Sobrien not available at that time. 28756173Sobrien 28856173Sobrien Note, this is only for use by target files which we know are to be 28956173Sobrien compiled by GCC. */ 29056173Sobrien#ifndef TARGET_ATTRIBUTE_WEAK 29156173Sobrien# if SUPPORTS_WEAK 29256173Sobrien# define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak)) 29356173Sobrien# else 29456173Sobrien# define TARGET_ATTRIBUTE_WEAK 29556173Sobrien# endif 29656173Sobrien#endif 29756173Sobrien 298169689Skan/* Determines whether we may use common symbols to represent one-only 299169689Skan semantics (a.k.a. "vague linkage"). */ 300169689Skan#ifndef USE_COMMON_FOR_ONE_ONLY 301169689Skan# define USE_COMMON_FOR_ONE_ONLY 1 302169689Skan#endif 303169689Skan 304169689Skan/* By default we can assume that all global symbols are in one namespace, 305169689Skan across all shared libraries. */ 306169689Skan#ifndef MULTIPLE_SYMBOL_SPACES 307169689Skan# define MULTIPLE_SYMBOL_SPACES 0 308169689Skan#endif 309169689Skan 31090075Sobrien/* If the target supports init_priority C++ attribute, give 31190075Sobrien SUPPORTS_INIT_PRIORITY a nonzero value. */ 31290075Sobrien#ifndef SUPPORTS_INIT_PRIORITY 31390075Sobrien#define SUPPORTS_INIT_PRIORITY 1 31490075Sobrien#endif /* SUPPORTS_INIT_PRIORITY */ 31590075Sobrien 31690075Sobrien/* If duplicate library search directories can be removed from a 31790075Sobrien linker command without changing the linker's semantics, give this 31890075Sobrien symbol a nonzero. */ 31990075Sobrien#ifndef LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 32090075Sobrien#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 0 32190075Sobrien#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */ 32290075Sobrien 32351885Sobrien/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that 32451885Sobrien the rest of the DWARF 2 frame unwind support is also provided. */ 32551885Sobrien#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX) 32651885Sobrien#define DWARF2_UNWIND_INFO 1 32751885Sobrien#endif 32890075Sobrien 32990075Sobrien/* If we have named sections, and we're using crtstuff to run ctors, 33090075Sobrien use them for registering eh frame information. */ 331117395Skan#if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \ 332117395Skan && !defined(EH_FRAME_IN_DATA_SECTION) 33390075Sobrien#ifndef EH_FRAME_SECTION_NAME 33490075Sobrien#define EH_FRAME_SECTION_NAME ".eh_frame" 33590075Sobrien#endif 33690075Sobrien#endif 33790075Sobrien 338169689Skan/* On many systems, different EH table encodings are used under 339169689Skan difference circumstances. Some will require runtime relocations; 340169689Skan some will not. For those that do not require runtime relocations, 341169689Skan we would like to make the table read-only. However, since the 342169689Skan read-only tables may need to be combined with read-write tables 343169689Skan that do require runtime relocation, it is not safe to make the 344169689Skan tables read-only unless the linker will merge read-only and 345169689Skan read-write sections into a single read-write section. If your 346169689Skan linker does not have this ability, but your system is such that no 347169689Skan encoding used with non-PIC code will ever require a runtime 348169689Skan relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in 349169689Skan your target configuration file. */ 350169689Skan#ifndef EH_TABLES_CAN_BE_READ_ONLY 351169689Skan#ifdef HAVE_LD_RO_RW_SECTION_MIXING 352169689Skan#define EH_TABLES_CAN_BE_READ_ONLY 1 353169689Skan#else 354169689Skan#define EH_TABLES_CAN_BE_READ_ONLY 0 355169689Skan#endif 356169689Skan#endif 357169689Skan 35890075Sobrien/* If we have named section and we support weak symbols, then use the 35990075Sobrien .jcr section for recording java classes which need to be registered 36090075Sobrien at program start-up time. */ 36190075Sobrien#if defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK 36290075Sobrien#ifndef JCR_SECTION_NAME 36390075Sobrien#define JCR_SECTION_NAME ".jcr" 36490075Sobrien#endif 36590075Sobrien#endif 36690075Sobrien 367169689Skan/* This decision to use a .jcr section can be overridden by defining 368169689Skan USE_JCR_SECTION to 0 in target file. This is necessary if target 369169689Skan can define JCR_SECTION_NAME but does not have crtstuff or 370169689Skan linker support for .jcr section. */ 371169689Skan#ifndef TARGET_USE_JCR_SECTION 372169689Skan#ifdef JCR_SECTION_NAME 373169689Skan#define TARGET_USE_JCR_SECTION 1 374169689Skan#else 375169689Skan#define TARGET_USE_JCR_SECTION 0 37690075Sobrien#endif 37790075Sobrien#endif 37890075Sobrien 37990075Sobrien/* Number of hardware registers that go into the DWARF-2 unwind info. 38090075Sobrien If not defined, equals FIRST_PSEUDO_REGISTER */ 38190075Sobrien 38290075Sobrien#ifndef DWARF_FRAME_REGISTERS 38390075Sobrien#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER 38490075Sobrien#endif 38590075Sobrien 38690075Sobrien/* How to renumber registers for dbx and gdb. If not defined, assume 38790075Sobrien no renumbering is necessary. */ 38890075Sobrien 38990075Sobrien#ifndef DBX_REGISTER_NUMBER 39090075Sobrien#define DBX_REGISTER_NUMBER(REGNO) (REGNO) 39190075Sobrien#endif 39290075Sobrien 39390075Sobrien/* Default sizes for base C types. If the sizes are different for 39490075Sobrien your target, you should override these values by defining the 39590075Sobrien appropriate symbols in your tm.h file. */ 39690075Sobrien 397117395Skan#ifndef BITS_PER_UNIT 398117395Skan#define BITS_PER_UNIT 8 399117395Skan#endif 400117395Skan 401117395Skan#ifndef BITS_PER_WORD 402117395Skan#define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD) 403117395Skan#endif 404117395Skan 40590075Sobrien#ifndef CHAR_TYPE_SIZE 40690075Sobrien#define CHAR_TYPE_SIZE BITS_PER_UNIT 40790075Sobrien#endif 40890075Sobrien 40996263Sobrien#ifndef BOOL_TYPE_SIZE 41096263Sobrien/* `bool' has size and alignment `1', on almost all platforms. */ 41196263Sobrien#define BOOL_TYPE_SIZE CHAR_TYPE_SIZE 41296263Sobrien#endif 41396263Sobrien 41490075Sobrien#ifndef SHORT_TYPE_SIZE 41590075Sobrien#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2)) 41690075Sobrien#endif 41790075Sobrien 41890075Sobrien#ifndef INT_TYPE_SIZE 41990075Sobrien#define INT_TYPE_SIZE BITS_PER_WORD 42090075Sobrien#endif 42190075Sobrien 42290075Sobrien#ifndef LONG_TYPE_SIZE 42390075Sobrien#define LONG_TYPE_SIZE BITS_PER_WORD 42490075Sobrien#endif 42590075Sobrien 42690075Sobrien#ifndef LONG_LONG_TYPE_SIZE 42790075Sobrien#define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2) 42890075Sobrien#endif 42990075Sobrien 43090075Sobrien#ifndef WCHAR_TYPE_SIZE 43190075Sobrien#define WCHAR_TYPE_SIZE INT_TYPE_SIZE 43290075Sobrien#endif 43390075Sobrien 43490075Sobrien#ifndef FLOAT_TYPE_SIZE 43590075Sobrien#define FLOAT_TYPE_SIZE BITS_PER_WORD 43690075Sobrien#endif 43790075Sobrien 43890075Sobrien#ifndef DOUBLE_TYPE_SIZE 43990075Sobrien#define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) 44090075Sobrien#endif 44190075Sobrien 44290075Sobrien#ifndef LONG_DOUBLE_TYPE_SIZE 44390075Sobrien#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2) 44490075Sobrien#endif 44590075Sobrien 446169689Skan#ifndef DECIMAL32_TYPE_SIZE 447169689Skan#define DECIMAL32_TYPE_SIZE 32 448169689Skan#endif 449169689Skan 450169689Skan#ifndef DECIMAL64_TYPE_SIZE 451169689Skan#define DECIMAL64_TYPE_SIZE 64 452169689Skan#endif 453169689Skan 454169689Skan#ifndef DECIMAL128_TYPE_SIZE 455169689Skan#define DECIMAL128_TYPE_SIZE 128 456169689Skan#endif 457169689Skan 458117395Skan/* Width in bits of a pointer. Mind the value of the macro `Pmode'. */ 459117395Skan#ifndef POINTER_SIZE 460117395Skan#define POINTER_SIZE BITS_PER_WORD 461117395Skan#endif 462117395Skan 46390075Sobrien#ifndef PIC_OFFSET_TABLE_REGNUM 46490075Sobrien#define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM 46590075Sobrien#endif 46690075Sobrien 467169689Skan#ifndef TARGET_DLLIMPORT_DECL_ATTRIBUTES 468169689Skan#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 0 469169689Skan#endif 470169689Skan 471169689Skan#ifndef TARGET_DECLSPEC 472169689Skan#if TARGET_DLLIMPORT_DECL_ATTRIBUTES 473169689Skan/* If the target supports the "dllimport" attribute, users are 474169689Skan probably used to the "__declspec" syntax. */ 475169689Skan#define TARGET_DECLSPEC 1 476169689Skan#else 477169689Skan#define TARGET_DECLSPEC 0 478169689Skan#endif 479169689Skan#endif 480169689Skan 48190075Sobrien/* By default, the preprocessor should be invoked the same way in C++ 48290075Sobrien as in C. */ 48390075Sobrien#ifndef CPLUSPLUS_CPP_SPEC 48490075Sobrien#ifdef CPP_SPEC 48590075Sobrien#define CPLUSPLUS_CPP_SPEC CPP_SPEC 48690075Sobrien#endif 48790075Sobrien#endif 48890075Sobrien 48990075Sobrien#ifndef ACCUMULATE_OUTGOING_ARGS 49090075Sobrien#define ACCUMULATE_OUTGOING_ARGS 0 49190075Sobrien#endif 49290075Sobrien 49390075Sobrien/* Supply a default definition for PUSH_ARGS. */ 49490075Sobrien#ifndef PUSH_ARGS 49590075Sobrien#ifdef PUSH_ROUNDING 49690075Sobrien#define PUSH_ARGS !ACCUMULATE_OUTGOING_ARGS 49790075Sobrien#else 49890075Sobrien#define PUSH_ARGS 0 49990075Sobrien#endif 50090075Sobrien#endif 50190075Sobrien 502132718Skan/* Decide whether a function's arguments should be processed 503132718Skan from first to last or from last to first. 504132718Skan 505132718Skan They should if the stack and args grow in opposite directions, but 506132718Skan only if we have push insns. */ 507132718Skan 508132718Skan#ifdef PUSH_ROUNDING 509132718Skan 510132718Skan#ifndef PUSH_ARGS_REVERSED 511132718Skan#if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD) 512132718Skan#define PUSH_ARGS_REVERSED PUSH_ARGS 513132718Skan#endif 514132718Skan#endif 515132718Skan 516132718Skan#endif 517132718Skan 518132718Skan#ifndef PUSH_ARGS_REVERSED 519132718Skan#define PUSH_ARGS_REVERSED 0 520132718Skan#endif 521132718Skan 52290075Sobrien/* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY. 52390075Sobrien STACK_BOUNDARY is required. */ 52490075Sobrien#ifndef PREFERRED_STACK_BOUNDARY 52590075Sobrien#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY 52690075Sobrien#endif 52790075Sobrien 528169689Skan#ifndef TARGET_DEFAULT_PACK_STRUCT 529169689Skan#define TARGET_DEFAULT_PACK_STRUCT 0 530169689Skan#endif 531169689Skan 53290075Sobrien/* By default, the C++ compiler will use function addresses in the 533117395Skan vtable entries. Setting this nonzero tells the compiler to use 53490075Sobrien function descriptors instead. The value of this macro says how 535169689Skan many words wide the descriptor is (normally 2). It is assumed 53690075Sobrien that the address of a function descriptor may be treated as a 53790075Sobrien pointer to a function. */ 53890075Sobrien#ifndef TARGET_VTABLE_USES_DESCRIPTORS 53990075Sobrien#define TARGET_VTABLE_USES_DESCRIPTORS 0 54090075Sobrien#endif 54190075Sobrien 542117395Skan/* By default, the vtable entries are void pointers, the so the alignment 543117395Skan is the same as pointer alignment. The value of this macro specifies 544117395Skan the alignment of the vtable entry in bits. It should be defined only 545117395Skan when special alignment is necessary. */ 546117395Skan#ifndef TARGET_VTABLE_ENTRY_ALIGN 547117395Skan#define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE 548117395Skan#endif 549117395Skan 550117395Skan/* There are a few non-descriptor entries in the vtable at offsets below 551117395Skan zero. If these entries must be padded (say, to preserve the alignment 552117395Skan specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of 553117395Skan words in each data entry. */ 554117395Skan#ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE 555117395Skan#define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1 556117395Skan#endif 557117395Skan 558169689Skan/* Decide whether it is safe to use a local alias for a virtual function 559169689Skan when constructing thunks. */ 560169689Skan#ifndef TARGET_USE_LOCAL_THUNK_ALIAS_P 561169689Skan#ifdef ASM_OUTPUT_DEF 562169689Skan#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 1 563169689Skan#else 564169689Skan#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 0 565169689Skan#endif 566169689Skan#endif 567169689Skan 56890075Sobrien/* Select a format to encode pointers in exception handling data. We 56990075Sobrien prefer those that result in fewer dynamic relocations. Assume no 57090075Sobrien special support here and encode direct references. */ 57190075Sobrien#ifndef ASM_PREFERRED_EH_DATA_FORMAT 57290075Sobrien#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) DW_EH_PE_absptr 57390075Sobrien#endif 57490075Sobrien 57590075Sobrien/* By default, the C++ compiler will use the lowest bit of the pointer 57690075Sobrien to function to indicate a pointer-to-member-function points to a 57790075Sobrien virtual member function. However, if FUNCTION_BOUNDARY indicates 57890075Sobrien function addresses aren't always even, the lowest bit of the delta 57990075Sobrien field will be used. */ 58090075Sobrien#ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION 58190075Sobrien#define TARGET_PTRMEMFUNC_VBIT_LOCATION \ 58290075Sobrien (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \ 58390075Sobrien ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta) 58490075Sobrien#endif 58590075Sobrien 58690075Sobrien#ifndef DEFAULT_GDB_EXTENSIONS 58790075Sobrien#define DEFAULT_GDB_EXTENSIONS 1 58890075Sobrien#endif 58990075Sobrien 59090075Sobrien/* If more than one debugging type is supported, you must define 591169689Skan PREFERRED_DEBUGGING_TYPE to choose the default. */ 59290075Sobrien 593169689Skan#if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_DEBUGGING_INFO) \ 594169689Skan + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) \ 595169689Skan + defined (VMS_DEBUGGING_INFO)) 59690075Sobrien#ifndef PREFERRED_DEBUGGING_TYPE 597169689Skan#error You must define PREFERRED_DEBUGGING_TYPE 59890075Sobrien#endif /* no PREFERRED_DEBUGGING_TYPE */ 599169689Skan 600169689Skan/* If only one debugging format is supported, define PREFERRED_DEBUGGING_TYPE 601169689Skan here so other code needn't care. */ 602169689Skan#elif defined DBX_DEBUGGING_INFO 60390075Sobrien#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG 604169689Skan 605169689Skan#elif defined SDB_DEBUGGING_INFO 60690075Sobrien#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG 607169689Skan 608169689Skan#elif defined DWARF2_DEBUGGING_INFO 60990075Sobrien#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG 610169689Skan 611169689Skan#elif defined VMS_DEBUGGING_INFO 61290075Sobrien#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG 613169689Skan 614169689Skan#elif defined XCOFF_DEBUGGING_INFO 61590075Sobrien#define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG 61690075Sobrien 617169689Skan#else 618169689Skan/* No debugging format is supported by this target. */ 61990075Sobrien#define PREFERRED_DEBUGGING_TYPE NO_DEBUG 62090075Sobrien#endif 62190075Sobrien 622117395Skan/* Define codes for all the float formats that we know of. */ 623117395Skan#define UNKNOWN_FLOAT_FORMAT 0 624117395Skan#define IEEE_FLOAT_FORMAT 1 625117395Skan#define VAX_FLOAT_FORMAT 2 626117395Skan#define IBM_FLOAT_FORMAT 3 627117395Skan#define C4X_FLOAT_FORMAT 4 62890075Sobrien 629117395Skan/* Default to IEEE float if not specified. Nearly all machines use it. */ 630117395Skan#ifndef TARGET_FLOAT_FORMAT 631117395Skan#define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT 63290075Sobrien#endif 63390075Sobrien 634117395Skan#ifndef LARGEST_EXPONENT_IS_NORMAL 635117395Skan#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0 636117395Skan#endif 637117395Skan 638117395Skan#ifndef ROUND_TOWARDS_ZERO 639117395Skan#define ROUND_TOWARDS_ZERO 0 640117395Skan#endif 641117395Skan 642117395Skan#ifndef MODE_HAS_NANS 643117395Skan#define MODE_HAS_NANS(MODE) \ 644117395Skan (FLOAT_MODE_P (MODE) \ 645117395Skan && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \ 646117395Skan && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE))) 647117395Skan#endif 648117395Skan 649117395Skan#ifndef MODE_HAS_INFINITIES 650117395Skan#define MODE_HAS_INFINITIES(MODE) \ 651117395Skan (FLOAT_MODE_P (MODE) \ 652117395Skan && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \ 653117395Skan && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE))) 654117395Skan#endif 655117395Skan 656117395Skan#ifndef MODE_HAS_SIGNED_ZEROS 657117395Skan#define MODE_HAS_SIGNED_ZEROS(MODE) \ 658117395Skan (FLOAT_MODE_P (MODE) && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT) 659117395Skan#endif 660117395Skan 661117395Skan#ifndef MODE_HAS_SIGN_DEPENDENT_ROUNDING 662117395Skan#define MODE_HAS_SIGN_DEPENDENT_ROUNDING(MODE) \ 663117395Skan (FLOAT_MODE_P (MODE) \ 664117395Skan && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \ 665117395Skan && !ROUND_TOWARDS_ZERO) 666117395Skan#endif 667117395Skan 668132718Skan#ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL 669132718Skan#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false 670132718Skan#endif 671132718Skan 672169689Skan/* True if the targets integer-comparison functions return { 0, 1, 2 673169689Skan } to indicate { <, ==, > }. False if { -1, 0, 1 } is used 674169689Skan instead. The libgcc routines are biased. */ 675169689Skan#ifndef TARGET_LIB_INT_CMP_BIASED 676169689Skan#define TARGET_LIB_INT_CMP_BIASED (true) 677169689Skan#endif 678169689Skan 679132718Skan/* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files, 680132718Skan then the word-endianness is the same as for integers. */ 681117395Skan#ifndef FLOAT_WORDS_BIG_ENDIAN 682117395Skan#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN 683117395Skan#endif 684117395Skan 685117395Skan#ifndef TARGET_FLT_EVAL_METHOD 686117395Skan#define TARGET_FLT_EVAL_METHOD 0 687117395Skan#endif 688117395Skan 689169689Skan#ifndef TARGET_DEC_EVAL_METHOD 690169689Skan#define TARGET_DEC_EVAL_METHOD 2 691169689Skan#endif 692169689Skan 693117395Skan#ifndef HOT_TEXT_SECTION_NAME 694169689Skan#define HOT_TEXT_SECTION_NAME ".text.hot" 695117395Skan#endif 696117395Skan 697117395Skan#ifndef UNLIKELY_EXECUTED_TEXT_SECTION_NAME 698169689Skan#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME ".text.unlikely" 699117395Skan#endif 700117395Skan 701169689Skan#ifndef HAS_LONG_COND_BRANCH 702169689Skan#define HAS_LONG_COND_BRANCH 0 703117395Skan#endif 704117395Skan 705169689Skan#ifndef HAS_LONG_UNCOND_BRANCH 706169689Skan#define HAS_LONG_UNCOND_BRANCH 0 707169689Skan#endif 708169689Skan 709169689Skan/* By default, only attempt to parallelize bitwise operations, and 710169689Skan possibly adds/subtracts using bit-twiddling. */ 711169689Skan#ifndef UNITS_PER_SIMD_WORD 712169689Skan#define UNITS_PER_SIMD_WORD UNITS_PER_WORD 713169689Skan#endif 714169689Skan 715102780Skan/* Determine whether __cxa_atexit, rather than atexit, is used to 716117395Skan register C++ destructors for local statics and global objects. */ 717102780Skan#ifndef DEFAULT_USE_CXA_ATEXIT 718102780Skan#define DEFAULT_USE_CXA_ATEXIT 0 719102780Skan#endif 720102780Skan 721169689Skan/* If none of these macros are defined, the port must use the new 722169689Skan technique of defining constraints in the machine description. 723169689Skan tm_p.h will define those macros that machine-independent code 724169689Skan still uses. */ 725169689Skan#if !defined CONSTRAINT_LEN \ 726169689Skan && !defined REG_CLASS_FROM_LETTER \ 727169689Skan && !defined REG_CLASS_FROM_CONSTRAINT \ 728169689Skan && !defined CONST_OK_FOR_LETTER_P \ 729169689Skan && !defined CONST_OK_FOR_CONSTRAINT_P \ 730169689Skan && !defined CONST_DOUBLE_OK_FOR_LETTER_P \ 731169689Skan && !defined CONST_DOUBLE_OK_FOR_CONSTRAINT_P \ 732169689Skan && !defined EXTRA_CONSTRAINT \ 733169689Skan && !defined EXTRA_CONSTRAINT_STR \ 734169689Skan && !defined EXTRA_MEMORY_CONSTRAINT \ 735169689Skan && !defined EXTRA_ADDRESS_CONSTRAINT 736169689Skan 737169689Skan#define USE_MD_CONSTRAINTS 738169689Skan 739169689Skan#if GCC_VERSION >= 3000 && defined IN_GCC 740169689Skan/* These old constraint macros shouldn't appear anywhere in a 741169689Skan configuration using MD constraint definitions. */ 742169689Skan#pragma GCC poison REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \ 743169689Skan CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT 744169689Skan#endif 745169689Skan 746169689Skan#else /* old constraint mechanism in use */ 747169689Skan 748117395Skan/* Determine whether extra constraint letter should be handled 749117395Skan via address reload (like 'o'). */ 750117395Skan#ifndef EXTRA_MEMORY_CONSTRAINT 751132718Skan#define EXTRA_MEMORY_CONSTRAINT(C,STR) 0 752117395Skan#endif 753117395Skan 754117395Skan/* Determine whether extra constraint letter should be handled 755117395Skan as an address (like 'p'). */ 756117395Skan#ifndef EXTRA_ADDRESS_CONSTRAINT 757132718Skan#define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0 758117395Skan#endif 759117395Skan 760132718Skan/* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN 761132718Skan for all the characters that it does not want to change, so things like the 762132718Skan 'length' of a digit in a matching constraint is an implementation detail, 763132718Skan and not part of the interface. */ 764132718Skan#define DEFAULT_CONSTRAINT_LEN(C,STR) 1 765132718Skan 766132718Skan#ifndef CONSTRAINT_LEN 767132718Skan#define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR) 768132718Skan#endif 769132718Skan 770132718Skan#if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P) 771132718Skan#define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C) 772132718Skan#endif 773132718Skan 774132718Skan#if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P) 775132718Skan#define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \ 776132718Skan CONST_DOUBLE_OK_FOR_LETTER_P (OP, C) 777132718Skan#endif 778132718Skan 779132718Skan#ifndef REG_CLASS_FROM_CONSTRAINT 780132718Skan#define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C) 781132718Skan#endif 782132718Skan 783132718Skan#if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR) 784132718Skan#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C) 785132718Skan#endif 786132718Skan 787169689Skan#endif /* old constraint mechanism in use */ 788169689Skan 789132718Skan#ifndef REGISTER_MOVE_COST 790132718Skan#define REGISTER_MOVE_COST(m, x, y) 2 791132718Skan#endif 792132718Skan 793169689Skan/* Determine whether the entire c99 runtime 794132718Skan is present in the runtime library. */ 795132718Skan#ifndef TARGET_C99_FUNCTIONS 796132718Skan#define TARGET_C99_FUNCTIONS 0 797132718Skan#endif 798132718Skan 799132718Skan/* Indicate that CLZ and CTZ are undefined at zero. */ 800169689Skan#ifndef CLZ_DEFINED_VALUE_AT_ZERO 801132718Skan#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0 802132718Skan#endif 803169689Skan#ifndef CTZ_DEFINED_VALUE_AT_ZERO 804132718Skan#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0 805132718Skan#endif 806132718Skan 807132718Skan/* Provide a default value for STORE_FLAG_VALUE. */ 808132718Skan#ifndef STORE_FLAG_VALUE 809132718Skan#define STORE_FLAG_VALUE 1 810132718Skan#endif 811132718Skan 812132718Skan/* This macro is used to determine what the largest unit size that 813132718Skan move_by_pieces can use is. */ 814132718Skan 815132718Skan/* MOVE_MAX_PIECES is the number of bytes at a time which we can 816132718Skan move efficiently, as opposed to MOVE_MAX which is the maximum 817132718Skan number of bytes we can move with a single instruction. */ 818132718Skan 819132718Skan#ifndef MOVE_MAX_PIECES 820132718Skan#define MOVE_MAX_PIECES MOVE_MAX 821132718Skan#endif 822132718Skan 823132718Skan#ifndef STACK_POINTER_OFFSET 824132718Skan#define STACK_POINTER_OFFSET 0 825132718Skan#endif 826132718Skan 827132718Skan#ifndef LOCAL_REGNO 828132718Skan#define LOCAL_REGNO(REGNO) 0 829132718Skan#endif 830132718Skan 831132718Skan/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, 832132718Skan the stack pointer does not matter. The value is tested only in 833132718Skan functions that have frame pointers. */ 834132718Skan#ifndef EXIT_IGNORE_STACK 835132718Skan#define EXIT_IGNORE_STACK 0 836132718Skan#endif 837132718Skan 838169689Skan/* Assume that case vectors are not pc-relative. */ 839169689Skan#ifndef CASE_VECTOR_PC_RELATIVE 840169689Skan#define CASE_VECTOR_PC_RELATIVE 0 841169689Skan#endif 842169689Skan 843169689Skan/* Assume that trampolines need function alignment. */ 844169689Skan#ifndef TRAMPOLINE_ALIGNMENT 845169689Skan#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY 846169689Skan#endif 847169689Skan 848169689Skan/* Register mappings for target machines without register windows. */ 849169689Skan#ifndef INCOMING_REGNO 850169689Skan#define INCOMING_REGNO(N) (N) 851169689Skan#endif 852169689Skan 853169689Skan#ifndef OUTGOING_REGNO 854169689Skan#define OUTGOING_REGNO(N) (N) 855169689Skan#endif 856169689Skan 857169689Skan#ifndef SHIFT_COUNT_TRUNCATED 858169689Skan#define SHIFT_COUNT_TRUNCATED 0 859169689Skan#endif 860169689Skan 861169689Skan#ifndef LEGITIMIZE_ADDRESS 862169689Skan#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) 863169689Skan#endif 864169689Skan 865169689Skan#ifndef LEGITIMATE_PIC_OPERAND_P 866169689Skan#define LEGITIMATE_PIC_OPERAND_P(X) 1 867169689Skan#endif 868169689Skan 869169689Skan#ifndef REVERSIBLE_CC_MODE 870169689Skan#define REVERSIBLE_CC_MODE(MODE) 0 871169689Skan#endif 872169689Skan 873169689Skan/* Biggest alignment supported by the object file format of this machine. */ 874169689Skan#ifndef MAX_OFILE_ALIGNMENT 875169689Skan#define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT 876169689Skan#endif 877169689Skan 878169689Skan#ifndef FRAME_GROWS_DOWNWARD 879169689Skan#define FRAME_GROWS_DOWNWARD 0 880169689Skan#endif 881169689Skan 882169689Skan/* On most machines, the CFA coincides with the first incoming parm. */ 883169689Skan#ifndef ARG_POINTER_CFA_OFFSET 884169689Skan#define ARG_POINTER_CFA_OFFSET(FNDECL) FIRST_PARM_OFFSET (FNDECL) 885169689Skan#endif 886169689Skan 887169689Skan/* On most machines, we use the CFA as DW_AT_frame_base. */ 888169689Skan#ifndef CFA_FRAME_BASE_OFFSET 889169689Skan#define CFA_FRAME_BASE_OFFSET(FNDECL) 0 890169689Skan#endif 891169689Skan 892169689Skan/* The offset from the incoming value of %sp to the top of the stack frame 893169689Skan for the current function. */ 894169689Skan#ifndef INCOMING_FRAME_SP_OFFSET 895169689Skan#define INCOMING_FRAME_SP_OFFSET 0 896169689Skan#endif 897169689Skan 898169689Skan#ifndef HARD_REGNO_NREGS_HAS_PADDING 899169689Skan#define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0 900169689Skan#define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1 901169689Skan#endif 902169689Skan 90390075Sobrien#endif /* ! GCC_DEFAULTS_H */ 904