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Diffstat (limited to 'gcc/config/m68k/pbb.h')
| -rw-r--r-- | gcc/config/m68k/pbb.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/gcc/config/m68k/pbb.h b/gcc/config/m68k/pbb.h deleted file mode 100644 index 68c8d09ead5..00000000000 --- a/gcc/config/m68k/pbb.h +++ /dev/null @@ -1,163 +0,0 @@ -/* Definitions of target machine for GNU compiler. - Citicorp/TTI Unicom PBB version (using GAS with a %-register prefix) - Copyright (C) 1987, 1988, 1990, 1996, 1997, 2002 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. */ - -/* Note: This config uses a version of gas with a postprocessing stage that - converts the output of gas to coff containing stab debug symbols. - (See vasta@apollo.com or mb@soldev.tti.com) */ - -#include "m68k/m68k.h" - -/* See m68k.h. 5 means 68020 without 68881. */ - -#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68020) - -/* Don't try using XFmode. */ -#undef LONG_DOUBLE_TYPE_SIZE -#define LONG_DOUBLE_TYPE_SIZE 64 - -/* Every structure or union's size must be a multiple of 2 bytes. */ -#define STRUCTURE_SIZE_BOUNDARY 16 - -/* Define __HAVE_68881__ in preprocessor if -m68881 is specified. - This will control the use of inline 68881 insns in certain macros. */ - -#define CPP_SPEC "%{m68881:-D__HAVE_68881__}" - -/* Names to predefine in the preprocessor for this target machine. */ - -#define CPP_PREDEFINES "-Dm68k -Dunix -DUnicomPBB -Dmc68k -Dmc68020 -Dmc68k32 -Asystem=unix -Acpu=m68k -Amachine=m68k" - -/* We want DBX format for use with gdb under COFF. */ - -#define DBX_DEBUGGING_INFO 1 - -/* Generate calls to memcpy, memcmp and memset. */ - -#define TARGET_MEM_FUNCTIONS - -/* -m68000 requires special flags to the assembler. */ - -#define ASM_SPEC \ - " %{m68000:-mc68010}%{mc68000:-mc68010}" - -/* we use /lib/libp/lib* when profiling */ - -#define LIB_SPEC "%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc" - - -/* Use crt1.o as a startup file and crtn.o as a closing file. */ -/* - * The loader directive file gcc.ifile defines how to merge the constructor - * sections into the data section. Also, since gas only puts out those - * sections in response to N_SETT stabs, and does not (yet) have a - * ".sections" directive, gcc.ifile also defines the list symbols - * __DTOR_LIST__ and __CTOR_LIST__. - * - * Finally, we must explicitly specify the file from libgcc.a that defines - * exit(), otherwise if the user specifies (for example) "-lc_s" on the - * command line, the wrong exit() will be used and global destructors will - * not get called . - */ - -#define STARTFILE_SPEC \ -"%{!r: gcc.ifile%s} %{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \ -%{!r:_exit.o%s}" - -#define ENDFILE_SPEC "crtn.o%s" - -/* GAS register prefix assembly syntax: */ - -/* User labels have no prefix */ -#undef USER_LABEL_PREFIX -#define USER_LABEL_PREFIX "" - -/* local labels are prefixed with ".L" */ -#undef LOCAL_LABEL_PREFIX -#define LOCAL_LABEL_PREFIX "." - -/* registers are prefixed with "%" */ -#undef REGISTER_PREFIX -#define REGISTER_PREFIX "%" - -#undef REGISTER_NAMES -#define REGISTER_NAMES \ -{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ - "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \ - "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"} - -#undef FUNCTION_EXTRA_EPILOGUE -#define FUNCTION_EXTRA_EPILOGUE(FILE, SIZE) \ -{ if (current_function_returns_pointer \ - && ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode)) \ - asm_fprintf (FILE, "\tmovl %Rd0,%Ra0\n"); } - -#define ASM_RETURN_CASE_JUMP \ - do { \ - if (TARGET_5200) \ - { \ - if (ADDRESS_REG_P (operands[0])) \ - return "jmp %%pc@(2,%0:l)"; \ - else \ - return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \ - } \ - else \ - return "jmp %%pc@(2,%0:w)"; \ - } while (0) - -/* Although the gas we use can create .ctor and .dtor sections from N_SETT - stabs, it does not support section directives, so we need to have the loader - define the lists. - */ -#define CTOR_LISTS_DEFINED_EXTERNALLY - -/* similar to default, but allows for the table defined by ld with gcc.ifile. - nptrs is always 0. So we need to instead check that __DTOR_LIST__[1] != 0. - The old check is left in so that the same macro can be used if and when - a future version of gas does support section directives. */ - -#define DO_GLOBAL_DTORS_BODY {int nptrs = *(int *)__DTOR_LIST__; int i; \ - if (nptrs == -1 || (__DTOR_LIST__[0] == 0 && __DTOR_LIST__[1] != 0)) \ - for (nptrs = 0; __DTOR_LIST__[nptrs + 1] != 0; nptrs++); \ - for (i = nptrs; i >= 1; i--) \ - __DTOR_LIST__[i] (); } - -/* - * Here is an example gcc.ifile. I've tested it on PBB 68k and on sco 386 - * systems. The NEXT(0x200000) works on just about all 386 and m68k systems, - * but can be reduced to any power of 2 that is >= NBPS (0x10000 on a pbb). - - SECTIONS { - .text BIND(0x200200) BLOCK (0x200) : - { *(.init) *(.text) vfork = fork; *(.fini) } - - GROUP BIND( NEXT(0x200000) + ADDR(.text) + SIZEOF(.text)): - { .data : { __CTOR_LIST__ = . ; . += 4; *(.ctor) . += 4 ; - __DTOR_LIST__ = . ; . += 4; *(.dtor) . += 4 ; } - .bss : { } - } - } - */ - -/* -Local variables: -version-control: t -End: -*/ |
