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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [vax/] [elf.h] - Rev 289
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/* Target definitions for GNU compiler for VAX using ELF Copyright (C) 2002, 2004, 2005, 2007, 2008 Free Software Foundation, Inc. Contributed by Matt Thomas <matt@3am-software.com> This file is part of GCC. GCC 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 3, or (at your option) any later version. GCC 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 GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #undef TARGET_ELF #define TARGET_ELF 1 #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 /* 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 /* Offset from the frame pointer register value to the top of the stack. */ #define FRAME_POINTER_CFA_OFFSET(FNDECL) 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) #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) /* Don't allow *foo which foo is non-local */ #define NO_EXTERNAL_INDIRECT_ADDRESS #undef VAX_CC1_AND_CC1PLUS_SPEC #define VAX_CC1_AND_CC1PLUS_SPEC \ "%{!fno-pic: \ %{!fpic: \ %{!fPIC:-fPIC}}}" /* VAX ELF is always gas; override the generic VAX ASM_SPEC. */ #undef ASM_SPEC #define ASM_SPEC "%{!fno-pic: %{!mno-asm-pic:-k}}" /* We want PCREL dwarf output. */ #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ ((GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) /* Emit a PC-relative relocation. */ #define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \ do { \ fputs (integer_asm_op (SIZE, FALSE), FILE); \ fprintf (FILE, "%%pcrel%d(", SIZE * 8); \ assemble_name (FILE, LABEL); \ fputc (')', FILE); \ } while (0)
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