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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [vax/] [elf.h] - Blame information for rev 282

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1 282 jeremybenn
/* Target definitions for GNU compiler for VAX using ELF
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   Copyright (C) 2002, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
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   Contributed by Matt Thomas <matt@3am-software.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#undef TARGET_ELF
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#define TARGET_ELF 1
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#undef REGISTER_PREFIX
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#undef REGISTER_NAMES
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#define REGISTER_PREFIX "%"
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#define REGISTER_NAMES \
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  { "%r0", "%r1",  "%r2",  "%r3", "%r4", "%r5", "%r6", "%r7", \
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    "%r8", "%r9", "%r10", "%r11", "%ap", "%fp", "%sp", "%pc", }
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long int"
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/* Profiling routine.  */
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#undef VAX_FUNCTION_PROFILER_NAME
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#define VAX_FUNCTION_PROFILER_NAME "__mcount"
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/*  Let's be re-entrant.  */
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#undef PCC_STATIC_STRUCT_RETURN
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/* Before the prologue, the top of the frame is below the argument
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   count pushed by the CALLS and before the start of the saved registers.  */
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#define INCOMING_FRAME_SP_OFFSET 0
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/* Offset from the frame pointer register value to the top of the stack.  */
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#define FRAME_POINTER_CFA_OFFSET(FNDECL) 0
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/* We use R2-R5 (call-clobbered) registers for exceptions.  */
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#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 2 : INVALID_REGNUM)
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/* Place the top of the stack for the DWARF2 EH stackadj value.  */
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#define EH_RETURN_STACKADJ_RTX                                          \
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  gen_rtx_MEM (SImode,                                                  \
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               plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\
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                              -4))
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/* Simple store the return handler into the call frame.  */
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#define EH_RETURN_HANDLER_RTX                                           \
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  gen_rtx_MEM (Pmode,                                                   \
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               plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\
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                              16))
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/* Reserve the top of the stack for exception handler stackadj value.  */
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#undef STARTING_FRAME_OFFSET
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#define STARTING_FRAME_OFFSET -4
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/* The VAX wants no space between the case instruction and the jump table.  */
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#undef  ASM_OUTPUT_BEFORE_CASE_LABEL
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#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE)
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#undef OVERRIDE_OPTIONS
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#define OVERRIDE_OPTIONS                                \
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  do                                                    \
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    {                                                   \
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      /* Do generic VAX overrides.  */                  \
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      override_options ();                              \
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                                                        \
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      /* Turn off function CSE if we're doing PIC.  */  \
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      if (flag_pic)                                     \
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        flag_no_function_cse = 1;                       \
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    }                                                   \
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  while (0)
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/* Don't allow *foo which foo is non-local */
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#define NO_EXTERNAL_INDIRECT_ADDRESS
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#undef VAX_CC1_AND_CC1PLUS_SPEC
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#define VAX_CC1_AND_CC1PLUS_SPEC \
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  "%{!fno-pic: \
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     %{!fpic: \
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       %{!fPIC:-fPIC}}}"
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/* VAX ELF is always gas; override the generic VAX ASM_SPEC.  */
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#undef ASM_SPEC
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#define ASM_SPEC "%{!fno-pic: %{!mno-asm-pic:-k}}"
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/*  We want PCREL dwarf output.  */
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#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)       \
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  ((GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4)
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/* Emit a PC-relative relocation.  */
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#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL)       \
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  do {                                                  \
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    fputs (integer_asm_op (SIZE, FALSE), FILE);         \
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    fprintf (FILE, "%%pcrel%d(", SIZE * 8);             \
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    assemble_name (FILE, LABEL);                        \
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    fputc (')', FILE);                                  \
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  } while (0)

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