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Add new target: vxworks for xscale
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 9 May 03 15:12:07 EDT
- Subject: Add new target: vxworks for xscale
Thu Sep 26 12:01:02 2002 Olivier Hainque <hainque@act-europe.fr>
* config/arm/vxxscale.h, config/arm/vxxscale-coff.h: New files.
* config/arm/vxxscale-elf.h, config/arm/t-vxxscale-elf: Likewise.
* config.gcc (xscale-coff-vxworks, xscale-wrs-vxworks): New new cases.
* fixinc/fixinc.copy: New file.
* fixinc/mkfixinc.sh (*-vxworks*): New case, using above.
*** /dev/null Mon May 5 19:12:57 2003
--- gcc/config/arm/vxxscale.h Fri May 9 14:25:41 2003
***************
*** 0 ****
--- 1,80 ----
+ /* Definitions of target machine for GNU compiler,
+ targetting the XSCALE/VxWorks run time environments.
+ Common definitions for both the COFF (VxWorks5.4/T2.1)
+ and ELF (VxWorks5.5/T2.2) targets.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+
+ 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, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+ #define SUBTARGET_CPU_DEFAULT TARGET_CPU_xscale
+
+ #undef CPP_PREDEFINES
+ #define CPP_PREDEFINES "-DCPU=XSCALE -D__vxworks -Acpu=xscale -Amachine=xscale"
+
+ #undef TARGET_DEFAULT
+ #define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32)
+
+ #undef ASM_FILE_START
+ #define ASM_FILE_START(STREAM) \
+ do \
+ { \
+ fprintf (STREAM, "%s Generated by gcc %s for Xscale/VxWorks\n", \
+ ASM_COMMENT_START, version_string); \
+ } \
+ while (0)
+
+ /* Set up a trampoline, without forgetting to flush the Icache. */
+ #undef INITIALIZE_TRAMPOLINE
+ #define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
+ { \
+ emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 8)), \
+ (CXT)); \
+ emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 12)), \
+ (FNADDR)); \
+ emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__clear_cache"), \
+ 0, VOIDmode, 2, TRAMP, Pmode, \
+ plus_constant (TRAMP, TRAMPOLINE_SIZE), Pmode); \
+ }
+
+ /* Clear the instruction cache from `BEG' to `END', resorting to the
+ appropriate VxWorks service. */
+ #define CLEAR_INSN_CACHE(BEG, END) \
+ { \
+ extern int cacheTextUpdate (void *, size_t); \
+ cacheTextUpdate ((void *) (BEG), (size_t) ((END) - (BEG))); \
+ }
+
+ /* VxWorks does all the library stuff itself. */
+ #undef LIB_SPEC
+ #define LIB_SPEC ""
+
+ /* VxWorks uses object files, not loadable images. make linker just
+ combine objects. */
+ #undef LINK_SPEC
+ #define LINK_SPEC "-r"
+
+ /* VxWorks provides the functionality of crt0.o and friends itself. */
+ #undef STARTFILE_SPEC
+ #define STARTFILE_SPEC ""
+
+ #undef ENDFILE_SPEC
+ #define ENDFILE_SPEC ""
+
+ #define EH_FRAME_IN_DATA_SECTION
+ /* ??? To be investigated, in order to avoid link time errors against
+ __EH_FRAME_BEGIN__, only defined through the use of crtstuff. */
*** /dev/null Mon May 5 19:12:57 2003
--- gcc/config/arm/vxxscale-coff.h Fri May 9 14:25:32 2003
***************
*** 0 ****
--- 1,27 ----
+ /* Definitions of target machine for GNU compiler,
+ targetting the XSCALE/VxWorks/COFF run time environment.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+
+ 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, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+
+ #undef TARGET_VERSION
+ #define TARGET_VERSION fputs (" (XScale/COFF VxWorks)", stderr);
+
+ #undef SUBTARGET_EXTRA_ASM_SPEC
+ #define SUBTARGET_EXTRA_ASM_SPEC "%{!mcpu=*:-mcpu=xscale}"
*** /dev/null Mon May 5 19:12:57 2003
--- gcc/config/arm/vxxscale-elf.h Fri May 9 14:25:17 2003
***************
*** 0 ****
--- 1,33 ----
+ /* Definitions of target machine for GNU compiler,
+ targetting the XSCALE/VxWorks/ELF run time environment.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+
+ 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, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+ #undef TARGET_VERSION
+ #define TARGET_VERSION fputs (" (XScale/ELF VxWorks)", stderr);
+
+ #define SUBTARGET_EXTRA_ASM_SPEC "%{!mcpu=*:-mxscale} %{!mhard-float:-mno-fpu}"
+
+ #ifndef MULTILIB_DEFAULTS
+ #define MULTILIB_DEFAULTS \
+ { "mlittle-endian", "mno-thumb-interwork", "marm", "msoft-float" }
+ #endif
+
+ #undef FLOAT_WORDS_BIG_ENDIAN
+ #define FLOAT_WORDS_BIG_ENDIAN (TARGET_BIG_END != 0)
*** /dev/null Mon May 5 19:12:57 2003
--- gcc/config/arm/t-vxxscale-elf Tue May 6 08:22:41 2003
***************
*** 0 ****
--- 1,56 ----
+ LIB1ASMSRC = arm/lib1funcs.asm
+ LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func _call_via_rX _interwork_call_via_rX
+
+ # We want fine grained libraries, so use the new code to build the
+ # floating point emulation libraries.
+ FPBIT = fp-bit.c
+ DPBIT = dp-bit.c
+
+ fp-bit.c: $(srcdir)/config/fp-bit.c
+ echo '#define FLOAT' > fp-bit.c
+ echo '#ifndef __ARMEB__' >> fp-bit.c
+ echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
+ echo '#endif' >> fp-bit.c
+ cat $(srcdir)/config/fp-bit.c >> fp-bit.c
+
+ dp-bit.c: $(srcdir)/config/fp-bit.c
+ echo '#ifndef __ARMEB__' > dp-bit.c
+ echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
+ echo '#endif' >> dp-bit.c
+ cat $(srcdir)/config/fp-bit.c >> dp-bit.c
+
+ MULTILIB_OPTIONS = mlittle-endian/mbig-endian
+ MULTILIB_DIRNAMES = le be
+ MULTILIB_EXCEPTIONS =
+ MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=mle
+
+ # Note XScale does not support 26 bit APCS.
+ # Note XScale does not support hard FP
+
+ MULTILIB_OPTIONS += mno-thumb-interwork/mthumb-interwork
+ MULTILIB_DIRNAMES += normal interwork
+
+ MULTILIB_OPTIONS += marm/mthumb
+ MULTILIB_DIRNAMES += arm thumb
+ MULTILIB_EXCEPTIONS += *mhard-float/*mthumb*
+
+ MULTILIB_REDUNDANT_DIRS = interwork/thumb=thumb
+
+ EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
+
+ LIBGCC = stmp-multilib
+ INSTALL_LIBGCC = install-multilib
+
+ # Currently there is a bug somewhere in GCC's alias analysis
+ # or scheduling code that is breaking _fpmul_parts in fp-bit.c.
+ # Disabling function inlining is a workaround for this problem.
+ TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc -fno-inline
+
+ # Assemble startup files.
+ $(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
+
+ $(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
+ $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+ -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
*** gcc/config.gcc 6 May 2003 19:49:18 -0000 1.297
--- gcc/config.gcc 9 May 2003 19:02:18 -0000
*************** xscale-*-coff)
*** 2623,2626 ****
--- 2623,2639 ----
extra_modes=arm/arm-modes.def
;;
+ xscale-coff-vxworks)
+ tm_file="arm/semi.h arm/aout.h arm/coff.h arm/arm.h"
+ tm_file="${tm_file} arm/vxxscale.h arm/vxxscale-coff.h"
+ tmake_file=arm/t-xscale-coff
+ thread_file='vxworks'
+ use_collect2=no
+ ;;
+ xscale-wrs-vxworks)
+ tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h"
+ tm_file="${tm_file} arm/arm.h arm/vxxscale.h arm/vxxscale-elf.h"
+ tmake_file=arm/t-vxxscale-elf
+ thread_file='vxworks'
+ ;;
xstormy16-*-elf)
# For historical reasons, the target files omit the 'x'.
*** /dev/null Mon May 5 19:12:57 2003
--- gcc/fixinc/fixinc.copy Tue May 6 08:22:33 2003
***************
*** 0 ****
--- 1,2 ----
+ #!/bin/sh
+ cp -R $2/* $1
*** gcc/fixinc/mkfixinc.sh 11 Apr 2003 04:40:57 -0000 1.44
--- gcc/fixinc/mkfixinc.sh 9 May 2003 19:02:42 -0000
*************** case $machine in
*** 61,64 ****
--- 61,68 ----
;;
+ *-vxworks*)
+ fixincludes=fixinc.copy
+ ;;
+
alpha*-dec-*vms* | \
arm-semi-aout | \