From c578f16ef18fde35d5887909d5faaf0bd0118e9d Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Thu, 30 Apr 2020 13:35:37 +0100 Subject: [PATCH] ld: Add rx-linux emulation. gas: Change ELF flags initial value in rx-linux ld * emulparams/elf32rx_linux.sh: New rx-linux emulation. * emultempl/rxlinux.em: New. * configure.tgt: Add rx-linux. * Makefile.am: Add eelf32rx_linux.c * Makefile.in: Regenerate. gas * config/tc-rx.c (elf_flags): Reset default value. (md_parse_option): For rx-elf Initialize elf_flags with RX_ABI. --- gas/ChangeLog | 5 ++++ gas/config/tc-rx.c | 6 ++++- ld/ChangeLog | 8 +++++++ ld/Makefile.am | 2 ++ ld/Makefile.in | 2 ++ ld/configure.tgt | 2 ++ ld/emulparams/elf32rx_linux.sh | 17 ++++++++++++++ ld/emultempl/rxlinux.em | 42 ++++++++++++++++++++++++++++++++++ 8 files changed, 83 insertions(+), 1 deletion(-) create mode 100644 ld/emulparams/elf32rx_linux.sh create mode 100644 ld/emultempl/rxlinux.em diff --git a/gas/ChangeLog b/gas/ChangeLog index f47deba09b..70c93c3f1f 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +2020-04-30 Yoshinori Sato + + * config/tc-rx.c (elf_flags): Reset default value. + (md_parse_option): For rx-elf Initialize elf_flags with RX_ABI. + 2020-04-29 Max Filippov * config/tc-xtensa.c (XTENSA_MARCH_EARLIEST): Define macro as 0 diff --git a/gas/config/tc-rx.c b/gas/config/tc-rx.c index febdb5ab95..e3521d3193 100644 --- a/gas/config/tc-rx.c +++ b/gas/config/tc-rx.c @@ -42,12 +42,13 @@ const char EXP_CHARS[] = "eE"; const char FLT_CHARS[] = "dD"; /* ELF flags to set in the output file header. */ -static int elf_flags = E_FLAG_RX_ABI; +static int elf_flags; #ifndef TE_LINUX bfd_boolean rx_use_conventional_section_names = FALSE; #else bfd_boolean rx_use_conventional_section_names = TRUE; +static int elf_flags; #endif static bfd_boolean rx_use_small_data_limit = FALSE; @@ -129,6 +130,9 @@ struct cpu_type cpu_type_list[] = int md_parse_option (int c ATTRIBUTE_UNUSED, const char * arg ATTRIBUTE_UNUSED) { +#ifndef TE_LINUX + elf_flags = E_FLAG_RX_ABI; +#endif switch (c) { case OPTION_BIG: diff --git a/ld/ChangeLog b/ld/ChangeLog index 43825ee4bb..a8a5fdfcaf 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,11 @@ +2020-04-30 Yoshinori Sato + + * emulparams/elf32rx_linux.sh: New rx-linux emulation. + * emultempl/rxlinux.em: New. + * configure.tgt: Add rx-linux. + * Makefile.am: Add eelf32rx_linux.c + * Makefile.in: Regenerate. + 2020-04-29 Max Filippov * testsuite/ld-xtensa/relax-diff1.d: New test definition. diff --git a/ld/Makefile.am b/ld/Makefile.am index a64899fc09..e3ef6865c0 100644 --- a/ld/Makefile.am +++ b/ld/Makefile.am @@ -277,6 +277,7 @@ ALL_EMULATION_SOURCES = \ eelf32lriscv_ilp32.c \ eelf32rl78.c \ eelf32rx.c \ + eelf32rx_linux.c \ eelf32tilegx.c \ eelf32tilegx_be.c \ eelf32tilepro.c \ @@ -766,6 +767,7 @@ $(ALL_EMULATION_SOURCES) $(ALL_64_EMULATION_SOURCES): $(GEN_DEPENDS) @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32lriscv_ilp32.Pc@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32rl78.Pc@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32rx.Pc@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32rx_linux.Pc@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilegx.Pc@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilegx_be.Pc@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilepro.Pc@am__quote@ diff --git a/ld/Makefile.in b/ld/Makefile.in index b34455b1f8..51fdd964cc 100644 --- a/ld/Makefile.in +++ b/ld/Makefile.in @@ -767,6 +767,7 @@ ALL_EMULATION_SOURCES = \ eelf32lriscv_ilp32.c \ eelf32rl78.c \ eelf32rx.c \ + eelf32rx_linux.c \ eelf32tilegx.c \ eelf32tilegx_be.c \ eelf32tilepro.c \ @@ -1346,6 +1347,7 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32ppcwindiss.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32rl78.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32rx.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32rx_linux.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilegx.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilegx_be.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eelf32tilepro.Po@am__quote@ diff --git a/ld/configure.tgt b/ld/configure.tgt index ced5d1f992..0b6ee8bc87 100644 --- a/ld/configure.tgt +++ b/ld/configure.tgt @@ -775,6 +775,8 @@ rs6000-*-aix*) targ_emul=aixrs6 ;; rl78-*-*) targ_emul=elf32rl78 ;; +rx-*-linux*) targ_emul=elf32rx_linux + ;; rx-*-*) targ_emul=elf32rx ;; s12z-*-*) targ_emul=m9s12zelf diff --git a/ld/emulparams/elf32rx_linux.sh b/ld/emulparams/elf32rx_linux.sh new file mode 100644 index 0000000000..3abe4165d5 --- /dev/null +++ b/ld/emulparams/elf32rx_linux.sh @@ -0,0 +1,17 @@ +MACHINE= +SCRIPT_NAME=elf +OUTPUT_FORMAT="elf32-rx-linux" +# See also `include/elf/rx.h' +TEXT_START_ADDR=0x10000000 +ARCH=rx +ENTRY=start +EMBEDDED=yes +TEMPLATE_NAME=elf +EXTRA_EM_FILE=rxlinux +ELFSIZE=32 +MAXPAGESIZE=256 + +STACK_ADDR="(DEFINED(__stack) ? __stack : 0xbffffffc)" +STACK_SENTINEL="LONG(0xdeaddead)" +# We do not need .stack for shared library. +test -n "$CREATE_SHLIB" && unset STACK_ADDR diff --git a/ld/emultempl/rxlinux.em b/ld/emultempl/rxlinux.em new file mode 100644 index 0000000000..ee036a17dd --- /dev/null +++ b/ld/emultempl/rxlinux.em @@ -0,0 +1,42 @@ +# This shell script emits a C file. -*- C -*- +# Copyright (C) 2020 Free Software Foundation, Inc. +# +# This file is part of the GNU Binutils. +# +# This program 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 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +# MA 02110-1301, USA. +# + +# This file is sourced from elf.em, and defines extra rx-elf +# specific routines. +# +test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel" +fragment <