diff options
author | obrien <obrien@FreeBSD.org> | 1999-11-14 12:01:58 +0000 |
---|---|---|
committer | obrien <obrien@FreeBSD.org> | 1999-11-14 12:01:58 +0000 |
commit | 0caf21e247092a7b7baf499811d2b98a195697a3 (patch) | |
tree | 514d4e02fa0cab92fa06bd8bed49c96dc0f71b66 /contrib/gcc/config/alpha/freebsd.h | |
parent | 2d0abab14dc3ba2db1290d205d6f29b5e7641e8b (diff) | |
download | FreeBSD-src-0caf21e247092a7b7baf499811d2b98a195697a3.zip FreeBSD-src-0caf21e247092a7b7baf499811d2b98a195697a3.tar.gz |
Changes for Alpha and EGCS.
* Commonalities with i386, moved to a FreeBSD wide config file.
* Major additions to this file were adapted from Hidetoshi Shimokawa
<simokawa@FreeBSD.ORG>'s Alpha suppliment to the Egcs 1.1.2 port.
Diffstat (limited to 'contrib/gcc/config/alpha/freebsd.h')
-rw-r--r-- | contrib/gcc/config/alpha/freebsd.h | 540 |
1 files changed, 473 insertions, 67 deletions
diff --git a/contrib/gcc/config/alpha/freebsd.h b/contrib/gcc/config/alpha/freebsd.h index 30d365f..c14e725 100644 --- a/contrib/gcc/config/alpha/freebsd.h +++ b/contrib/gcc/config/alpha/freebsd.h @@ -1,58 +1,40 @@ -/* XXX */ -/* - * This file was derived from source obtained from NetBSD/Alpha which - * is publicly available for ftp. The patch was developed by cgd@netbsd.org - * during the time he worked at CMU. He claims that CMU own this patch - * to gcc and that they have not (and will not) release the patch for - * incorporation in FSF sources. We are supposedly able to use the patch, - * but we are not allowed to forward it back to FSF for inclusion in - * their source releases. - * - * This all has me (jb@freebsd.org) confused because (a) I see no copyright - * messages that tell me that use is restricted; and (b) I expected that - * the patch was originally developed from other files which are subject - * to GPL. - * - * Use of this file is restricted until its CMU ownership is tested. - */ +/* Definitions of target machine for GNU compiler, + for Alpha FreeBSD systems. + Copyright (C) 1998 Free Software Foundation, Inc. -#include "alpha/alpha.h" -#include "alpha/elf.h" +This file is part of GNU CC. -#undef WCHAR_TYPE -#define WCHAR_TYPE "int" +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. -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE 32 +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. -/* Look for the include files in the system-defined places. */ +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. */ -#undef GPLUSPLUS_INCLUDE_DIR -#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" +/* This is used on Alpha platforms that use the ELF format. + This was taken from the NetBSD configuration, and modified + for FreeBSD/Alpha by Hidetoshi Shimokawa <simokawa@FreeBSD.ORG> */ -#undef GCC_INCLUDE_DIR -#define GCC_INCLUDE_DIR "/usr/include" +/* $FreeBSD$ */ -#undef INCLUDE_DEFAULTS -#define INCLUDE_DEFAULTS \ - { \ - { GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \ - { GCC_INCLUDE_DIR, 0, 0 }, \ - { 0, 0, 0 } \ - } +/* Make gcc agree with <machine/ansi.h> */ -/* Under FreeBSD, the normal location of the `ld' and `as' programs is the - /usr/bin directory. */ +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" -#undef MD_EXEC_PREFIX -#define MD_EXEC_PREFIX "/usr/bin/" +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 -/* Under FreeBSD, the normal location of the various *crt*.o files is the - /usr/lib directory. */ - -#undef MD_STARTFILE_PREFIX -#define MD_STARTFILE_PREFIX "/usr/lib/" +#undef WCHAR_UNSIGNED +#define WCHAR_UNSIGNED 0 /* Provide a CPP_SPEC appropriate for FreeBSD. Current we just deal with @@ -61,17 +43,15 @@ #undef CPP_SPEC #define CPP_SPEC "%{posix:-D_POSIX_SOURCE}" -/* Provide an ASM_SPEC appropriate for FreeBSD. */ +/* Provide an ASM_SPEC appropriate for a FreeBSD/Alpha target. This differs + from the generic FreeBSD ASM_SPEC in that no special handling of PIC is + necessary on the Alpha. */ #undef ASM_SPEC -#define ASM_SPEC " %|" +#define ASM_SPEC " %| %{mcpu=*:-m%*}" #undef ASM_FINAL_SPEC -/* Like the default, except no -lg, and no -p. */ -#undef LIB_SPEC -#define LIB_SPEC "%{!shared:%{!pg:%{!pthread:%{!kthread:-lc}%{kthread:-lpthread -lc}}%{pthread:-lc_r}}%{pg:%{!pthread:%{!kthread:-lc_p}%{kthread:-lpthread_p -lc_p}}%{pthread:-lc_r_p}}}" - /* Output assembler code to FILE to increment profiler label # LABELNO for profiling a function entry. Under FreeBSD/Alpha, the assembler does nothing special with -pg. */ @@ -83,7 +63,6 @@ /* Show that we need a GP when profiling. */ #define TARGET_PROFILING_NEEDS_GP -#define bsd4_4 #undef HAS_INIT_SECTION #undef PREFERRED_DEBUGGING_TYPE @@ -92,30 +71,27 @@ #undef TARGET_VERSION #define TARGET_VERSION fprintf (stderr, " (FreeBSD/alpha ELF)"); -#undef SDB_DEBUGGING_INFO -#define SDB_DEBUGGING_INFO -#undef DBS_DEBUGGING_INFO -#define DBX_DEBUGGING_INFO - -#undef PREFERRED_DEBUGGING_TYPE -#define PREFERRED_DEBUGGING_TYPE \ - ((len > 1 && !strncmp (str, "gsdb", len)) ? SDB_DEBUG : DBX_DEBUG) +/* Names to predefine in the preprocessor for this target machine. + XXX FreeBSD, by convention, shouldn't do __alpha, but lots of applications + expect it because that's what OSF/1 does. */ #undef CPP_PREDEFINES -#define CPP_PREDEFINES "-Dunix -D__alpha -D__alpha__ -D__ELF__ -D__FreeBSD__=3 -Asystem(unix) -Asystem(FreeBSD) -Acpu(alpha) -Amachine(alpha)" +#define CPP_PREDEFINES \ + "-D__alpha__ -D__alpha -D__ELF__ -Acpu(alpha) -Amachine(alpha)" \ + CPP_FBSD_PREDEFINES #undef LINK_SPEC #define LINK_SPEC "-m elf64alpha \ - %{O*:-O3} %{!O*:-O1} \ - %{assert*} \ - %{shared:-shared} \ + %{p:%e`-p' not supported; use `-pg' and gprof(1)} \ + %{Wl,*:%*} \ + %{assert*} %{R*} %{rpath*} %{defsym*} \ + %{shared:-Bshareable %{h*} %{soname*}} \ + %{symbolic:-Bsymbolic} \ %{!shared: \ - -dc -dp \ - %{!nostdlib:%{!r*:%{!e*:-e _start}}} \ %{!static: \ %{rdynamic:-export-dynamic} \ - %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \ - %{static:-static}}" + %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1} \ + %{static:-Bstatic}}" /* Provide a STARTFILE_SPEC for FreeBSD that is compatible with the non-aout version used on i386. */ @@ -139,3 +115,433 @@ #undef SET_ASM_OP #define SET_ASM_OP ".set" + +#undef OBJECT_FORMAT_COFF +#undef EXTENDED_COFF +#define OBJECT_FORMAT_ELF + +/* This is the char to use for continuation (in case we need to turn + continuation back on). */ + +#undef DBX_CONTIN_CHAR +#define DBX_CONTIN_CHAR '?' + +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_FP | MASK_FPREGS | MASK_GAS) + +/* Output at beginning of assembler file. */ + +#undef ASM_FILE_START +#define ASM_FILE_START(FILE) \ +{ \ + alpha_write_verstamp (FILE); \ + output_file_directive ((FILE), main_input_filename); \ + fprintf ((FILE), "\t.version\t\"01.01\"\n"); \ + fprintf ((FILE), "\t.set noat\n"); \ +} + +#undef ASM_OUTPUT_SOURCE_LINE +#define ASM_OUTPUT_SOURCE_LINE(STREAM, LINE) \ + alpha_output_lineno ((STREAM), (LINE)) +extern void alpha_output_lineno (); + +extern void output_file_directive (); + +/* 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. */ + +#undef IDENT_ASM_OP +#define IDENT_ASM_OP ".ident" + +#ifdef IDENTIFY_WITH_IDENT +#undef ASM_IDENTIFY_GCC +#define ASM_IDENTIFY_GCC(FILE) /* nothing */ +#undef ASM_IDENTIFY_LANGUAGE +#define ASM_IDENTIFY_LANGUAGE(FILE) \ + fprintf((FILE), "\t%s \"GCC (%s) %s\"\n", IDENT_ASM_OP, \ + lang_identify(), version_string) +#else +#undef ASM_FILE_END +#define ASM_FILE_END(FILE) \ +do { \ + fprintf ((FILE), "\t%s\t\"GCC: (GNU) %s\"\n", \ + IDENT_ASM_OP, version_string); \ + } while (0) +#endif + +/* Allow #sccs in preprocessor. */ + +#define SCCS_DIRECTIVE + +/* Output #ident as a .ident. */ + +#undef ASM_OUTPUT_IDENT +#define ASM_OUTPUT_IDENT(FILE, NAME) \ + fprintf ((FILE), "\t%s\t\"%s\"\n", IDENT_ASM_OP, (NAME)); + +/* 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 ".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. */ + +#undef ALIGN_ASM_OP +#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. */ + +#undef ASM_OUTPUT_EXTERNAL_LIBCALL +#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. */ + +#undef COMMON_ASM_OP +#define COMMON_ASM_OP ".comm" + +#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. */ + +#undef LOCAL_ASM_OP +#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 64-bit word of data with a + specific value in some section. */ + +#undef INT_ASM_OP +#define INT_ASM_OP ".quad" + +/* 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. */ + +#undef USE_CONST_SECTION +#define USE_CONST_SECTION 1 + +#undef CONST_SECTION_ASM_OP +#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.) */ + +#undef CTORS_SECTION_ASM_OP +#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"aw\"" +#undef DTORS_SECTION_ASM_OP +#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. */ + +#undef INIT_SECTION_ASM_OP +#define INIT_SECTION_ASM_OP ".section\t.init" +#undef FINI_SECTION_ASM_OP +#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 (); + +#undef CONST_SECTION_FUNCTION +#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; \ + } \ +} + +#undef CTORS_SECTION_FUNCTION +#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; \ + } \ +} + +#undef DTORS_SECTION_FUNCTION +#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. */ +#undef ASM_OUTPUT_SECTION_NAME +#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. */ +#undef ASM_OUTPUT_CONSTRUCTOR +#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. */ +#undef ASM_OUTPUT_DESTRUCTOR +#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. */ + +#undef SELECT_SECTION +#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 .type, .size and .set 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. */ + +#undef TYPE_ASM_OP +#define TYPE_ASM_OP ".type" +#undef SIZE_ASM_OP +#define SIZE_ASM_OP ".size" + +/* This is how we tell the assembler that two symbols have the same value. */ + +#undef ASM_OUTPUT_DEF +#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. */ + +#undef ESCAPES +#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. */ + +#undef STRING_LIMIT +#define STRING_LIMIT ((unsigned) 256) + +#undef STRING_ASM_OP +#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 + +/* Implicit library calls should use memcpy, not bcopy, etc. */ + +#define TARGET_MEM_FUNCTIONS + +/* Some imports from svr4.h in support of shared libraries. Currently, we + need the DECLARE_OBJECT_SIZE stuff. */ + +/* This is how we tell the assembler that a symbol is weak. */ + +#undef ASM_WEAKEN_LABEL +#define ASM_WEAKEN_LABEL(FILE, NAME) \ + do { fputs ("\t.globl\t", (FILE)); assemble_name ((FILE), (NAME)); \ + fputc ('\n', (FILE)); \ + fputs ("\t.weak\t", (FILE)); assemble_name ((FILE), (NAME)); \ + fputc ('\n', (FILE)); } while (0) + +/* 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). */ + +#undef TYPE_OPERAND_FMT +#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 |