/* Target definitions for GNU compiler for VAX using ELF Copyright (C) 2002 Free Software Foundation, Inc. Contributed by Matt Thomas (matt@3am-software.com) 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. */ #undef REGISTER_PREFIX #undef REGISTER_NAMES #define REGISTER_PREFIX "%" #define REGISTER_NAMES \ {"%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", \ "%r8", "%r9", "%r10", "%r11", "%ap", "%fp", "%sp", "%pc"} #undef SIZE_TYPE #define SIZE_TYPE "long unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "long int" /* Profiling routine. */ #undef VAX_FUNCTION_PROFILER_NAME #define VAX_FUNCTION_PROFILER_NAME "__mcount" /* Let's be re-entrant. */ #undef PCC_STATIC_STRUCT_RETURN /* Make sure .stabs for a function are always the same section. */ #define DBX_OUTPUT_FUNCTION_END(file,decl) function_section(decl) /* Before the prologue, the top of the frame is below the argument count pushed by the CALLS and before the start of the saved registers. */ #define INCOMING_FRAME_SP_OFFSET 0 /* We use R2-R5 (call-clobbered) registers for exceptions. */ #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 2 : INVALID_REGNUM) /* Place the top of the stack for the DWARF2 EH stackadj value. */ #define EH_RETURN_STACKADJ_RTX \ gen_rtx_MEM (SImode, \ plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM), \ -4)) /* Simple store the return handler into the call frame. */ #define EH_RETURN_HANDLER_RTX \ gen_rtx_MEM (Pmode, \ plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM), \ 16)) /* Reserve the top of the stack for exception handler stackadj value. */ #undef STARTING_FRAME_OFFSET #define STARTING_FRAME_OFFSET -4 /* The VAX wants no space between the case instruction and the jump table. */ #undef ASM_OUTPUT_BEFORE_CASE_LABEL #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) /* Get the udiv/urem calls out of the user's namespace. */ #undef UDIVSI3_LIBCALL #define UDIVSI3_LIBCALL "*__udiv" #undef UMODSI3_LIBCALL #define UMODSI3_LIBCALL "*__urem" #undef OVERRIDE_OPTIONS #define OVERRIDE_OPTIONS \ do \ { \ /* Do generic VAX overrides. */ \ override_options (); \ \ /* Turn off function CSE if we're \ doing PIC. */ \ if (flag_pic) flag_no_function_cse = 1; \ } \ while (0) /* VAX ELF is always gas; override the generic VAX ASM_SPEC. */ #undef ASM_SPEC #define ASM_SPEC ""