/* Core target definitions for GNU compiler for IBM RS/6000 PowerPC targeted to embedded ELF systems. Copyright (C) 1995 Free Software Foundation, Inc. Contributed by Cygnus Support. 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* eABI local switches */ /* Set PCC_BITFIELD_TYPE_MATTERS to 0 to ignore the type of bitfields when calculating alignment. */ #define MASK_NO_BITFIELD_TYPE 0x40000000 #define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE) #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE) #define SUBTARGET_SWITCHES \ { "bit-align", -MASK_NO_BITFIELD_TYPE }, \ { "no-bit-align", MASK_NO_BITFIELD_TYPE }, #include "rs6000/sysv4.h" /* For now, make stabs the default debugging type, not dwarf. */ #undef PREFERRED_DEBUGGING_TYPE #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG /* Make int foo : 8 not cause structures to be aligned to an int boundary */ #undef PCC_BITFIELD_TYPE_MATTERS #define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE) /* Align stack to 8 byte boundaries, rather than 16 bytes Sys V.4 uses */ #undef STACK_BOUNDARY #define STACK_BOUNDARY 64 /* No data type wants to be aligned rounder than this. */ #undef BIGGEST_ALIGNMENT #define BIGGEST_ALIGNMENT 64 #undef TARGET_VERSION #define TARGET_VERSION fprintf (stderr, " (PowerPC Embedded)"); /* FIXME: These should actually indicate PowerPC, when there is some standard way of expressing that. */ #undef CPP_PREDEFINES #define CPP_PREDEFINES \ "-DPPC -D__embedded__ -Asystem(embedded) -Acpu(powerpc) -Amachine(powerpc)"