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pkgsrc/cross/COMMON/patches-egcs/patch-ag
mrg e0aef49188 patches to egcs for i386-netbsdelf.
1999-02-14 10:12:03 +00:00

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$NetBSD: patch-ag,v 1.1 1999/02/14 10:12:03 mrg Exp $
Index: gcc/config/i386/netbsd-elf.h
*** /dev/null Sun Feb 14 16:47:33 1999
--- gcc/config/i386/netbsd-elf.h Sun Feb 14 19:03:37 1999
***************
*** 0 ****
--- 1,597 ----
+ /* Definitions of target machine for GNU compiler,
+ for i386 NetBSD systems.
+ Copyright (C) 1998 Free Software Foundation, Inc.
+
+ This file is part of GNU CC.
+
+ 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.
+
+ 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.
+
+ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+ /* This is used on i386 platforms that use the ELF format.
+ This was taken from the NetBSD/alpha configuration, and modified
+ for NetBSD/i386 by Christos Zoulas <christos@netbsd.org> */
+
+ /* Get generic i386 definitions. */
+
+ /* This goes away when the math-emulator is fixed */
+ #define TARGET_CPU_DEFAULT 0400 /* TARGET_NO_FANCY_MATH_387 */
+
+ #include <i386/gstabs.h>
+
+ /* Get perform_* macros to build libgcc.a. */
+ #include <i386/perform.h>
+
+ /* Get generic NetBSD ELF definitions. We will override these if necessary. */
+
+ #define NETBSD_ELF
+ #include <netbsd.h>
+
+ #define OBJECT_FORMAT_ELF
+
+ /* This is BSD, so it wants DBX format. */
+
+ #if 0
+ #define DBX_DEBUGGING_INFO
+
+ /* This is the char to use for continuation (in case we need to turn
+ continuation back on). */
+
+ #define DBX_CONTIN_CHAR '?'
+ #endif
+
+ #undef ASM_FINAL_SPEC
+
+ /* Names to predefine in the preprocessor for this target machine.
+ XXX NetBSD, by convention, shouldn't do __alpha, but lots of applications
+ expect it because that's what OSF/1 does. */
+
+ /* NetBSD Extension to GNU C: __KPRINTF_ATTRIBUTE__ */
+
+ #undef CPP_PREDEFINES
+ #define CPP_PREDEFINES "\
+ -Di386 -D__NetBSD__ -D__ELF__ -D__KPRINTF_ATTRIBUTE__ \
+ -Asystem(unix) -Asystem(NetBSD) -Acpu(i386) -Amachine(i386)"
+
+ /* Make gcc agree with <machine/ansi.h> */
+
+ #undef SIZE_TYPE
+ #define SIZE_TYPE "unsigned int"
+
+ #undef PTRDIFF_TYPE
+ #define PTRDIFF_TYPE "int"
+
+ #undef WCHAR_TYPE
+ #define WCHAR_TYPE "int"
+
+ #undef WCHAR_UNSIGNED
+ #define WCHAR_UNSIGNED 0
+
+ #undef WCHAR_TYPE_SIZE
+ #define WCHAR_TYPE_SIZE 32
+
+ /* Output assembler code to FILE to increment profiler label # LABELNO
+ for profiling a function entry. Under NetBSD/i386, the assembler does
+ nothing special with -pg. */
+
+ #undef ASM_APP_ON
+ #define ASM_APP_ON "#APP\n"
+
+ #undef ASM_APP_OFF
+ #define ASM_APP_OFF "#NO_APP\n"
+
+ #define bsd4_4
+ #undef HAS_INIT_SECTION
+
+ #undef ASM_FILE_START
+ #define ASM_FILE_START(FILE) \
+ { \
+ output_file_directive (FILE, main_input_filename); \
+ fprintf (FILE, "\t.version\t\"01.01\"\n"); \
+ }
+
+ /* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. Only
+ the linker emulation is i386-specific. The rest are
+ common to all ELF targets, except for the name of the start function. */
+
+ #undef LINK_SPEC
+ #define LINK_SPEC \
+ "-m elf_i386 \
+ %{assert*} %{R*} \
+ %{shared:-shared} \
+ %{!shared: \
+ -dc -dp \
+ %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
+ %{static:-static}}"
+
+ #undef DEFAULT_VTABLE_THUNKS
+ #define DEFAULT_VTABLE_THUNKS 1
+
+ /* Attach a special .ident directive to the end of the file to identify
+ the version of GCC which compiled this code. The format of the
+ .ident string is patterned after the ones produced by native svr4
+ C compilers. */
+
+ /* Output #ident as a .ident. */
+
+ /* This is how to allocate empty space in some section. The .zero
+ pseudo-op is used for this on most svr4 assemblers. */
+ #undef SKIP_ASM_OP
+ #define SKIP_ASM_OP "\t.zero"
+
+ #undef ASM_OUTPUT_SKIP
+ #define ASM_OUTPUT_SKIP(FILE,SIZE) \
+ fprintf (FILE, "\t%s\t%u\n", SKIP_ASM_OP, (SIZE))
+
+ /* Output the label which precedes a jumptable. Note that for all svr4
+ systems where we actually generate jumptables (which is to say every
+ svr4 target except i386, where we use casesi instead) we put the jump-
+ tables into the .rodata section and since other stuff could have been
+ put into the .rodata section prior to any given jumptable, we have to
+ make sure that the location counter for the .rodata section gets pro-
+ perly re-aligned prior to the actual beginning of the jump table. */
+
+ #define ALIGN_ASM_OP ".align"
+
+ #ifndef ASM_OUTPUT_BEFORE_CASE_LABEL
+ #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
+ ASM_OUTPUT_ALIGN ((FILE), 2);
+ #endif
+
+ #undef ASM_OUTPUT_CASE_LABEL
+ #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,JUMPTABLE) \
+ do { \
+ ASM_OUTPUT_BEFORE_CASE_LABEL (FILE, PREFIX, NUM, JUMPTABLE) \
+ ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); \
+ } while (0)
+
+ /* The standard SVR4 assembler seems to require that certain builtin
+ library routines (e.g. .udiv) be explicitly declared as .globl
+ in each assembly file where they are referenced. */
+
+ #define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
+ ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0))
+
+ /* This says how to output assembler code to declare an
+ uninitialized external linkage data object. Under SVR4,
+ the linker seems to want the alignment of data objects
+ to depend on their types. We do exactly that here. */
+
+ #define COMMON_ASM_OP ".comm"
+
+ #undef ASM_OUTPUT_ALIGN
+ #define ASM_OUTPUT_ALIGN(FILE,LOG) \
+ if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1 << (LOG))
+
+ #undef ASM_OUTPUT_ALIGNED_COMMON
+ #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
+ do { \
+ fprintf ((FILE), "\t%s\t", COMMON_ASM_OP); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
+ } while (0)
+
+ /* This says how to output assembler code to declare an
+ uninitialized internal linkage data object. Under SVR4,
+ the linker seems to want the alignment of data objects
+ to depend on their types. We do exactly that here. */
+
+ #define LOCAL_ASM_OP ".local"
+
+ #undef ASM_OUTPUT_ALIGNED_LOCAL
+ #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
+ do { \
+ fprintf ((FILE), "\t%s\t", LOCAL_ASM_OP); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), "\n"); \
+ ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
+ } while (0)
+
+ /* This is the pseudo-op used to generate a 32-bit word of data with a
+ specific value in some section. */
+
+ #define INT_ASM_OP ".long"
+
+ /* This is the pseudo-op used to generate a contiguous sequence of byte
+ values from a double-quoted string WITHOUT HAVING A TERMINATING NUL
+ AUTOMATICALLY APPENDED. This is the same for most svr4 assemblers. */
+
+ #undef ASCII_DATA_ASM_OP
+ #define ASCII_DATA_ASM_OP ".ascii"
+
+ /* Support const sections and the ctors and dtors sections for g++.
+ Note that there appears to be two different ways to support const
+ sections at the moment. You can either #define the symbol
+ READONLY_DATA_SECTION (giving it some code which switches to the
+ readonly data section) or else you can #define the symbols
+ EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
+ SELECT_RTX_SECTION. We do both here just to be on the safe side. */
+
+ #define USE_CONST_SECTION 1
+
+ #define CONST_SECTION_ASM_OP ".section\t.rodata"
+
+ /* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
+
+ Note that we want to give these sections the SHF_WRITE attribute
+ because these sections will actually contain data (i.e. tables of
+ addresses of functions in the current root executable or shared library
+ file) and, in the case of a shared library, the relocatable addresses
+ will have to be properly resolved/relocated (and then written into) by
+ the dynamic linker when it actually attaches the given shared library
+ to the executing process. (Note that on SVR4, you may wish to use the
+ `-z text' option to the ELF linker, when building a shared library, as
+ an additional check that you are doing everything right. But if you do
+ use the `-z text' option when building a shared library, you will get
+ errors unless the .ctors and .dtors sections are marked as writable
+ via the SHF_WRITE attribute.) */
+
+ #define CTORS_SECTION_ASM_OP ".section\t.ctors,\"aw\""
+ #define DTORS_SECTION_ASM_OP ".section\t.dtors,\"aw\""
+
+ /* On svr4, we *do* have support for the .init and .fini sections, and we
+ can put stuff in there to be executed before and after `main'. We let
+ crtstuff.c and other files know this by defining the following symbols.
+ The definitions say how to change sections to the .init and .fini
+ sections. This is the same for all known svr4 assemblers. */
+
+ #define INIT_SECTION_ASM_OP ".section\t.init"
+ #define FINI_SECTION_ASM_OP ".section\t.fini"
+
+ /* A default list of other sections which we might be "in" at any given
+ time. For targets that use additional sections (e.g. .tdesc) you
+ should override this definition in the target-specific file which
+ includes this file. */
+
+ #undef EXTRA_SECTIONS
+ #define EXTRA_SECTIONS in_const, in_ctors, in_dtors
+
+ /* A default list of extra section function definitions. For targets
+ that use additional sections (e.g. .tdesc) you should override this
+ definition in the target-specific file which includes this file. */
+
+ #undef EXTRA_SECTION_FUNCTIONS
+ #define EXTRA_SECTION_FUNCTIONS \
+ CONST_SECTION_FUNCTION \
+ CTORS_SECTION_FUNCTION \
+ DTORS_SECTION_FUNCTION
+
+ #undef READONLY_DATA_SECTION
+ #define READONLY_DATA_SECTION() const_section ()
+
+ extern void text_section ();
+
+ #define CONST_SECTION_FUNCTION \
+ void \
+ const_section () \
+ { \
+ if (!USE_CONST_SECTION) \
+ text_section(); \
+ else if (in_section != in_const) \
+ { \
+ fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \
+ in_section = in_const; \
+ } \
+ }
+
+ #define CTORS_SECTION_FUNCTION \
+ void \
+ ctors_section () \
+ { \
+ if (in_section != in_ctors) \
+ { \
+ fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
+ in_section = in_ctors; \
+ } \
+ }
+
+ #define DTORS_SECTION_FUNCTION \
+ void \
+ dtors_section () \
+ { \
+ if (in_section != in_dtors) \
+ { \
+ fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
+ in_section = in_dtors; \
+ } \
+ }
+
+ /* Switch into a generic section.
+ This is currently only used to support section attributes.
+
+ We make the section read-only and executable for a function decl,
+ read-only for a const data decl, and writable for a non-const data decl. */
+ #define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
+ fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", NAME, \
+ (DECL) && TREE_CODE (DECL) == FUNCTION_DECL ? "ax" : \
+ (DECL) && DECL_READONLY_SECTION (DECL, RELOC) ? "a" : "aw")
+
+
+ /* A C statement (sans semicolon) to output an element in the table of
+ global constructors. */
+ #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
+ do { \
+ ctors_section (); \
+ fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } while (0)
+
+ /* A C statement (sans semicolon) to output an element in the table of
+ global destructors. */
+ #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
+ do { \
+ dtors_section (); \
+ fprintf (FILE, "\t%s\t ", INT_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } while (0)
+
+ /* A C statement or statements to switch to the appropriate
+ section for output of DECL. DECL is either a `VAR_DECL' node
+ or a constant of some sort. RELOC indicates whether forming
+ the initial value of DECL requires link-time relocations. */
+
+ #define SELECT_SECTION(DECL,RELOC) \
+ { \
+ if (TREE_CODE (DECL) == STRING_CST) \
+ { \
+ if (! flag_writable_strings) \
+ const_section (); \
+ else \
+ data_section (); \
+ } \
+ else if (TREE_CODE (DECL) == VAR_DECL) \
+ { \
+ if ((flag_pic && RELOC) \
+ || !TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \
+ || !DECL_INITIAL (DECL) \
+ || (DECL_INITIAL (DECL) != error_mark_node \
+ && !TREE_CONSTANT (DECL_INITIAL (DECL)))) \
+ data_section (); \
+ else \
+ const_section (); \
+ } \
+ else \
+ const_section (); \
+ }
+
+ /* A C statement or statements to switch to the appropriate
+ section for output of RTX in mode MODE. RTX is some kind
+ of constant in RTL. The argument MODE is redundant except
+ in the case of a `const_int' rtx. Currently, these always
+ go into the const section. */
+
+ #undef SELECT_RTX_SECTION
+ #define SELECT_RTX_SECTION(MODE,RTX) const_section()
+
+ /* Define the strings used for the special svr4 .type and .size directives.
+ These strings generally do not vary from one system running svr4 to
+ another, but if a given system (e.g. m88k running svr) needs to use
+ different pseudo-op names for these, they may be overridden in the
+ file which includes this one. */
+
+ #define TYPE_ASM_OP ".type"
+ #define SIZE_ASM_OP ".size"
+
+ /* The following macro defines the format used to output the second
+ operand of the .type assembler directive. Different svr4 assemblers
+ expect various different forms for this operand. The one given here
+ is just a default. You may need to override it in your machine-
+ specific tm.h file (depending upon the particulars of your assembler). */
+
+ #define TYPE_OPERAND_FMT "@%s"
+
+ /* Write the extra assembler code needed to declare a function's result.
+ Most svr4 assemblers don't require any special declaration of the
+ result value, but there are exceptions. */
+
+ #ifndef ASM_DECLARE_RESULT
+ #define ASM_DECLARE_RESULT(FILE, RESULT)
+ #endif
+
+ /* These macros generate the special .type and .size directives which
+ are used to set the corresponding fields of the linker symbol table
+ entries in an ELF object file under SVR4. These macros also output
+ the starting labels for the relevant functions/objects. */
+
+ /* Write the extra assembler code needed to declare a function properly.
+ Some svr4 assemblers need to also have something extra said about the
+ function's return value. We allow for that here. */
+
+ #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+ do { \
+ fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
+ putc ('\n', FILE); \
+ ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
+ ASM_OUTPUT_LABEL(FILE, NAME); \
+ } while (0)
+
+ /* Write the extra assembler code needed to declare an object properly. */
+
+ #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
+ do { \
+ fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
+ putc ('\n', FILE); \
+ size_directive_output = 0; \
+ if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
+ { \
+ size_directive_output = 1; \
+ fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
+ assemble_name (FILE, NAME); \
+ putc (',', FILE); \
+ fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
+ int_size_in_bytes (TREE_TYPE (DECL))); \
+ fputc ('\n', FILE); \
+ } \
+ ASM_OUTPUT_LABEL(FILE, NAME); \
+ } while (0)
+
+ /* Output the size directive for a decl in rest_of_decl_compilation
+ in the case where we did not do so before the initializer.
+ Once we find the error_mark_node, we know that the value of
+ size_directive_output was set
+ by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
+
+ #define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
+ do { \
+ char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
+ if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
+ && ! AT_END && TOP_LEVEL \
+ && DECL_INITIAL (DECL) == error_mark_node \
+ && !size_directive_output) \
+ { \
+ size_directive_output = 1; \
+ fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
+ assemble_name (FILE, name); \
+ putc (',', FILE); \
+ fprintf (FILE, HOST_WIDE_INT_PRINT_DEC, \
+ int_size_in_bytes (TREE_TYPE (DECL))); \
+ fputc ('\n', FILE); \
+ } \
+ } while (0)
+
+ /* This is how to declare the size of a function. */
+
+ #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
+ do { \
+ if (!flag_inhibit_size_directive) \
+ { \
+ char label[256]; \
+ static int labelno; \
+ labelno++; \
+ ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
+ ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
+ fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
+ assemble_name (FILE, (FNAME)); \
+ fprintf (FILE, ","); \
+ assemble_name (FILE, label); \
+ fprintf (FILE, "-"); \
+ assemble_name (FILE, (FNAME)); \
+ putc ('\n', FILE); \
+ } \
+ } while (0)
+
+ /* This is how we tell the assembler that two symbols have the same value. */
+
+ #define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
+ do { assemble_name(FILE, NAME1); \
+ fputs(" = ", FILE); \
+ assemble_name(FILE, NAME2); \
+ fputc('\n', FILE); } while (0)
+
+ /* A table of bytes codes used by the ASM_OUTPUT_ASCII and
+ ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table
+ corresponds to a particular byte value [0..255]. For any
+ given byte value, if the value in the corresponding table
+ position is zero, the given character can be output directly.
+ If the table value is 1, the byte must be output as a \ooo
+ octal escape. If the tables value is anything else, then the
+ byte value should be output as a \ followed by the value
+ in the table. Note that we can use standard UN*X escape
+ sequences for many control characters, but we don't use
+ \a to represent BEL because some svr4 assemblers (e.g. on
+ the i386) don't know about that. Also, we don't use \v
+ since some versions of gas, such as 2.2 did not accept it. */
+
+ #define ESCAPES \
+ "\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
+ \0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
+ \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\\\0\0\0\
+ \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\
+ \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
+ \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
+ \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
+ \1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1"
+
+ /* Some svr4 assemblers have a limit on the number of characters which
+ can appear in the operand of a .string directive. If your assembler
+ has such a limitation, you should define STRING_LIMIT to reflect that
+ limit. Note that at least some svr4 assemblers have a limit on the
+ actual number of bytes in the double-quoted string, and that they
+ count each character in an escape sequence as one byte. Thus, an
+ escape sequence like \377 would count as four bytes.
+
+ If your target assembler doesn't support the .string directive, you
+ should define this to zero.
+ */
+
+ #define STRING_LIMIT ((unsigned) 256)
+
+ #define STRING_ASM_OP ".string"
+
+ /*
+ * We always use gas here, so we don't worry about ECOFF assembler problems.
+ */
+ #undef TARGET_GAS
+ #define TARGET_GAS (1)
+
+ #if 0
+ #undef PREFERRED_DEBUGGING_TYPE
+ #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+ #endif
+
+ /* The following macros are stolen from i386v4.h */
+ /* These have to be defined to get PIC code correct */
+
+ /* This is how to output an element of a case-vector that is relative.
+ This is only used for PIC code. See comments by the `casesi' insn in
+ i386.md for an explanation of the expression this outputs. */
+
+ #undef ASM_OUTPUT_ADDR_DIFF_ELT
+ #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
+ fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)
+
+ /* Indicate that jump tables go in the text section. This is
+ necessary when compiling PIC code. */
+
+ #define JUMP_TABLES_IN_TEXT_SECTION 1
+
+ /* Default to pcc-struct-return, because this is the ELF abi and
+ we don't care about compatibility with older gcc versions. */
+ #define DEFAULT_PCC_STRUCT_RETURN 1
+
+ /* Profiling routines, partially copied from i386/osfrose.h. */
+
+ /* Redefine this to use %eax instead of %edx. */
+ #undef FUNCTION_PROFILER
+ #define FUNCTION_PROFILER(FILE, LABELNO) \
+ { \
+ if (flag_pic) \
+ { \
+ fprintf (FILE, "\tcall mcount@PLT\n"); \
+ } \
+ else \
+ { \
+ fprintf (FILE, "\tcall mcount\n"); \
+ } \
+ }
+
+ /* Put relocations in the constant pool in the writable data section. */
+ #undef SELECT_RTX_SECTION
+ #define SELECT_RTX_SECTION(MODE,RTX) \
+ { \
+ if (flag_pic && symbolic_operand (RTX)) \
+ data_section (); \
+ else \
+ readonly_data_section (); \
+ }
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