| /* Definitions for DECstation running BSD as target machine for GNU compiler. |
| Copyright (C) 1993, 1995, 1996 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, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #define DECSTATION |
| |
| /* Look for the include files in the system-defined places. */ |
| |
| #ifndef CROSS_COMPILE |
| #undef GPLUSPLUS_INCLUDE_DIR |
| #define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" |
| |
| #undef GCC_INCLUDE_DIR |
| #define GCC_INCLUDE_DIR "/usr/include" |
| |
| #undef INCLUDE_DEFAULTS |
| #define INCLUDE_DEFAULTS \ |
| { \ |
| { GPLUSPLUS_INCLUDE_DIR, 1, 1 }, \ |
| { GCC_INCLUDE_DIR, 0, 0 }, \ |
| { 0, 0, 0 } \ |
| } |
| |
| /* Under NetBSD, the normal location of the various *crt*.o files is the |
| /usr/lib directory. */ |
| |
| #undef STANDARD_STARTFILE_PREFIX |
| #define STANDARD_STARTFILE_PREFIX "/usr/lib/" |
| #endif |
| |
| /* Provide a LINK_SPEC appropriate for NetBSD. Here we provide support |
| for the special GCC options -static, -assert, and -nostdlib. */ |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC \ |
| "%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \ |
| %{!nostartfiles:%{!r*:%{!e*:-e __start}}} -dc -dp %{static:-Bstatic} %{assert*}" |
| |
| /* We have atexit(3). */ |
| |
| #define HAVE_ATEXIT |
| |
| /* Implicit library calls should use memcpy, not bcopy, etc. */ |
| |
| #define TARGET_MEM_FUNCTIONS |
| |
| /* Define mips-specific netbsd predefines... */ |
| #ifndef CPP_PREDEFINES |
| #define CPP_PREDEFINES "-D__ANSI_COMPAT \ |
| -DMIPSEL -DR3000 -DSYSTYPE_BSD -D_SYSTYPE_BSD -D__NetBSD__ -Dmips \ |
| -D__NO_LEADING_UNDERSCORES__ -D__GP_SUPPORT__ \ |
| -Dunix -D_R3000 \ |
| -Asystem(unix) -Asystem(NetBSD) -Amachine(mips)" |
| #endif |
| |
| #ifndef SUBTARGET_CPP_SPEC |
| #define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE}" |
| #endif |
| |
| #define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}" |
| #define STARTFILE_SPEC "" |
| |
| #ifndef MACHINE_TYPE |
| #define MACHINE_TYPE "NetBSD/pmax" |
| #endif |
| |
| #define TARGET_DEFAULT MASK_GAS |
| #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG |
| |
| #include "mips/mips.h" |
| |
| /* |
| * Some imports from svr4.h in support of shared libraries. |
| * Currently, we need the DECLARE_OBJECT_SIZE stuff. |
| */ |
| |
| /* 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. */ |
| |
| #undef TYPE_ASM_OP |
| #undef SIZE_ASM_OP |
| #undef WEAK_ASM_OP |
| #define TYPE_ASM_OP ".type" |
| #define SIZE_ASM_OP ".size" |
| #define WEAK_ASM_OP ".weak" |
| |
| /* 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 |
| |
| /* 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. */ |
| |
| #undef ASM_DECLARE_FUNCTION_NAME |
| #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)); \ |
| } while (0) |
| |
| /* Write the extra assembler code needed to declare an object properly. */ |
| |
| #undef ASM_DECLARE_OBJECT_NAME |
| #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); \ |
| fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \ |
| } \ |
| 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. */ |
| |
| #undef ASM_FINISH_DECLARE_OBJECT |
| #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); \ |
| fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \ |
| } \ |
| } while (0) |
| |
| /* This is how to declare the size of a function. */ |
| |
| #undef ASM_DECLARE_FUNCTION_SIZE |
| #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) |
| |
| /* |
| A C statement to output something to the assembler file to switch to section |
| NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or |
| NULL_TREE. Some target formats do not support arbitrary sections. Do not |
| define this macro in such cases. |
| */ |
| #define ASM_OUTPUT_SECTION_NAME(F, DECL, NAME, RELOC) \ |
| do { \ |
| extern FILE *asm_out_text_file; \ |
| if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL) \ |
| fprintf (asm_out_text_file, "\t.section %s,\"ax\",@progbits\n", (NAME)); \ |
| else if ((DECL) && DECL_READONLY_SECTION (DECL, RELOC)) \ |
| fprintf (F, "\t.section %s,\"a\",@progbits\n", (NAME)); \ |
| else \ |
| fprintf (F, "\t.section %s,\"aw\",@progbits\n", (NAME)); \ |
| } while (0) |
| |
| /* Since gas and gld are standard on NetBSD, we don't need these */ |
| #undef ASM_FINAL_SPEC |
| #undef STARTFILE_SPEC |