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config.gcc (h8300-*-elf*): New case.
* config.gcc (h8300-*-elf*): New case. * h8300.h (CPP_SPEC): Add subtarget_cpp_spec. (SUBTARGET_CPP_SPEC): Define. (EXTRA_SPECS): Define. (SUBTARGET_EXTRA_SPECS): Define. * config/h8300/crti.asm, config/h8300/crtn.asm: New files. * config/h8300/elf.h, config/h8300/t-elf: Likewise. From-SVN: r45293
This commit is contained in:
J"orn Rennecke
Joern Rennecke
parent
8c062645a6
commit
f4926e194a
@ -1,3 +1,13 @@
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Thu Aug 30 16:22:41 2001 J"orn Rennecke <amylaar@redhat.com>
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* config.gcc (h8300-*-elf*): New case.
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* h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
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(SUBTARGET_CPP_SPEC): Define.
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(EXTRA_SPECS): Define.
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(SUBTARGET_EXTRA_SPECS): Define.
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* config/h8300/crti.asm, config/h8300/crtn.asm: New files.
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* config/h8300/elf.h, config/h8300/t-elf: Likewise.
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Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
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* t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
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53
gcc/config/h8300/crti.asm
Normal file
53
gcc/config/h8300/crti.asm
Normal file
@ -0,0 +1,53 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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GNU CC 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 GNU
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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 this program; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* The code in sections .init and .fini is supposed to be a single
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regular function. The function in .init is called directly from
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start in crt1.asm. The function in .fini is atexit()ed in crt1.asm
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too.
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crti.asm contributes the prologue of a function to these sections,
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and crtn.asm comes up the epilogue. STARTFILE_SPEC should list
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crti.o before any other object files that might add code to .init
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or .fini sections, and ENDFILE_SPEC should list crtn.o after any
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such object files. */
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#ifdef __H8300H__
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.h8300h
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#endif
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#ifdef __H8300S__
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.h8300s
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#endif
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.section .init
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.global __init
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__init:
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.section .fini
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.global __fini
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__fini:
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43
gcc/config/h8300/crtn.asm
Normal file
43
gcc/config/h8300/crtn.asm
Normal file
@ -0,0 +1,43 @@
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file was adapted from glibc sources.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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GNU CC 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 GNU
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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 this program; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* See an explanation about .init and .fini in crti.asm. */
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#ifdef __H8300H__
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.h8300h
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#endif
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#ifdef __H8300S__
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.h8300s
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#endif
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.section .init
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rts
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.section .fini
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rts
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36
gcc/config/h8300/elf.h
Normal file
36
gcc/config/h8300/elf.h
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@ -0,0 +1,36 @@
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#undef SUBTARGET_CPP_SPEC
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#define SUBTARGET_CPP_SPEC "-D__ELF__"
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/* Undefine some macros defined in h8300 that conflict with elfos.h . */
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#undef SDB_DEBUGGING_INFO
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#undef DBX_DEBUGGING_INFO
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#undef ASM_OUTPUT_IDENT
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#undef IDENT_ASM_OP
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#undef CTORS_SECTION_ASM_OP
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#undef DTORS_SECTION_ASM_OP
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#undef INIT_SECTION_ASM_OP
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#undef READONLY_DATA_SECTION
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#undef ASM_OUTPUT_CONSTRUCTOR
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#undef ASM_OUTPUT_DESTRUCTOR
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#undef TARGET_ASM_NAMED_SECTION
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#undef TARGET_MEM_FUNCTIONS
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#undef PREFERRED_DEBUGGING_TYPE
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/* ??? h8300.h defines PCC_BITFIELD_TYPE_MATTERS to 0, but it
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doesn't define STRUCTURE_SIZE_BOUNDARY, nor does h8300.md
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have a full set of bit field instructions. */
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#undef PCC_BITFIELD_TYPE_MATTERS
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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#include "elfos.h"
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/* Output at beginning/end of assembler file. */
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#undef ASM_FILE_START
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#define ASM_FILE_START(FILE) \
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(output_file_directive ((FILE), main_input_filename), \
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asm_file_start (FILE))
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#undef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX "_"
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#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
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@ -50,12 +50,21 @@ extern const char * const *h8_reg_names;
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%{!mh:%{!ms:-Acpu=h8300 -Amachine=h8300}} \
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%{mh:-Acpu=h8300h -Amachine=h8300h} \
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%{ms:-Acpu=h8300s -Amachine=h8300s} \
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%{!mint32:-D__INT_MAX__=32767} %{mint32:-D__INT_MAX__=2147483647}"
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%{!mint32:-D__INT_MAX__=32767} %{mint32:-D__INT_MAX__=2147483647} \
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%(subtarget_cpp_spec)"
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#define SUBTARGET_CPP_SPEC ""
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#define LINK_SPEC "%{mh:-m h8300h} %{ms:-m h8300s}"
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#define LIB_SPEC "%{mrelax:-relax} %{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
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#define EXTRA_SPECS \
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{ "subtarget_cpp_spec", SUBTARGET_CPP_SPEC }, \
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SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS
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/* Print subsidiary information on the compiler version in use. */
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#define TARGET_VERSION fprintf (stderr, " (Hitachi H8/300)");
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6
gcc/config/h8300/t-elf
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6
gcc/config/h8300/t-elf
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EXTRA_MULTILIB_PARTS= crti.o crtn.o crtbegin.o crtend.o
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$(T)crti.o: $(srcdir)/config/h8300/crti.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(MULTILIB_CFLAGS) -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/h8300/crti.asm
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$(T)crtn.o: $(srcdir)/config/h8300/crtn.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(MULTILIB_CFLAGS) -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/h8300/crtn.asm
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