bd52d17906
too large to list, but see: http://gcc.gnu.org/gcc-3.4/changes.html http://gcc.gnu.org/gcc-4.0/changes.html http://gcc.gnu.org/gcc-4.1/changes.html for the details.
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/* Target definitions for GNU compiler for VAX using ELF
|
|
Copyright (C) 2002, 2004, 2005 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 2, 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 COPYING. If not, write to
|
|
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
#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
|
|
|
|
/* 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)
|
|
|
|
/* VAX ELF is always gas; override the generic VAX ASM_SPEC. */
|
|
|
|
#undef ASM_SPEC
|
|
#define ASM_SPEC ""
|
|
|