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.

diff --git a/gas/ChangeLog b/gas/ChangeLog
index f47deba09b6317c8c979d99afd0cb98b2fcc3172..70c93c3f1f367388b17dddae3c7c69a328152608 100644 (file)
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2020-04-30  Yoshinori Sato <ysato@users.sourceforge.jp>
+
+       * 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  <jcmvbkbc@gmail.com>
 
        * 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 febdb5ab956cf320615b8f6faa4055fb89a2197c..e3521d3193a1048e6447bb13eec8c813c968657d 100644 (file)
--- 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";
 \f
 /* 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 43825ee4bbcd975bb91d6dc848f99a22eab8252d..a8a5fdfcaf2fc1dd2b66177455ef6874c588813e 100644 (file)
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,11 @@
+2020-04-30  Yoshinori Sato <ysato@users.sourceforge.jp>
+
+       * 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  <jcmvbkbc@gmail.com>
 
        * testsuite/ld-xtensa/relax-diff1.d: New test definition.

diff --git a/ld/Makefile.am b/ld/Makefile.am
index a64899fc091fe00115c73e9e687a95cefe274836..e3ef6865c003c3ad2ab02e98677de0093b60c9a9 100644 (file)
--- 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 b34455b1f86643e025ae3206c69d4134b240f1c7..51fdd964ccbadafe5e448f1ab5ffd9bd2d3d5e6d 100644 (file)
--- 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 ced5d1f9924d6a1d0c0fdff8431d0136c8c1e234..0b6ee8bc874df47e7a9a7f994166a01fd6b374f6 100644 (file)
--- 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 (file)
index 0000000..3abe416
--- /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 (file)
index 0000000..ee036a1
--- /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 <<EOF
+
+#include "elf32-rx.h"
+
+/* This is a convenient point to tell BFD about target specific flags.
+   After the output has been created, but before inputs are read.  */
+static void
+rx_linux_create_output_section_statements (void)
+{
+  extern void bfd_elf32_rx_set_target_flags (bfd_boolean, bfd_boolean);
+
+  bfd_elf32_rx_set_target_flags (FALSE, FALSE);
+}
+
+EOF
+LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=rx_linux_create_output_section_statements
+