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Diffstat (limited to 'gcc/config/vax/elf.h')
| -rw-r--r-- | gcc/config/vax/elf.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc/config/vax/elf.h b/gcc/config/vax/elf.h new file mode 100644 index 00000000000..2f1a37566cd --- /dev/null +++ b/gcc/config/vax/elf.h @@ -0,0 +1,97 @@ +/* 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 FUNCTION_PROFILER +#define FUNCTION_PROFILER(FILE, LABELNO) \ + fprintf (FILE, "\tmovab .LP%d,%sr0\n\tjsb __mcount+2\n", (LABELNO), \ + REGISTER_PREFIX) + +/* 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 "" |