diff options
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/Makefile.in | 1 | ||||
| -rw-r--r-- | ld/emulparams/elf64_s390.sh | 1 | ||||
| -rw-r--r-- | ld/emultempl/s390.em | 64 | ||||
| -rw-r--r-- | ld/gen-doc.texi | 1 | ||||
| -rw-r--r-- | ld/ld.texinfo | 31 |
5 files changed, 98 insertions, 0 deletions
diff --git a/ld/Makefile.in b/ld/Makefile.in index 5e66e02..ba25177 100644 --- a/ld/Makefile.in +++ b/ld/Makefile.in @@ -3502,6 +3502,7 @@ eelf64_ia64_vms.c: $(srcdir)/emulparams/elf64_ia64_vms.sh \ $(srcdir)/scripttempl/ia64vms.sc ${GEN_DEPENDS} eelf64_s390.c: $(srcdir)/emulparams/elf64_s390.sh \ + $(srcdir)/emultempl/s390.em \ $(ELF_DEPS) $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS} eelf64_sparc.c: $(srcdir)/emulparams/elf64_sparc.sh \ diff --git a/ld/emulparams/elf64_s390.sh b/ld/emulparams/elf64_s390.sh index fc9f06a..5309774 100644 --- a/ld/emulparams/elf64_s390.sh +++ b/ld/emulparams/elf64_s390.sh @@ -12,6 +12,7 @@ TEMPLATE_NAME=elf32 GENERATE_SHLIB_SCRIPT=yes GENERATE_PIE_SCRIPT=yes NO_SMALL_DATA=yes +EXTRA_EM_FILE=s390 IREL_IN_PLT= # Treat a host that matches the target with the possible exception of "x" diff --git a/ld/emultempl/s390.em b/ld/emultempl/s390.em new file mode 100644 index 0000000..536104e --- /dev/null +++ b/ld/emultempl/s390.em @@ -0,0 +1,64 @@ +# This shell script emits a C file. -*- C -*- +# Copyright (C) 2017 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; see the file COPYING3. If not, +# see <http://www.gnu.org/licenses/>. +# + +# This file is sourced from elf-generic.em, and defines S/390 +# specific routines. +# +fragment <<EOF + +#include "ldctor.h" +#include "elf-s390.h" + +static struct s390_elf_params params = { 0 }; + +/* 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 +s390_elf_create_output_section_statements (void) +{ + if (!bfd_elf_s390_set_options (&link_info, ¶ms)) + einfo ("%F%P: can not init BFD: %E\n"); +} + +EOF + +# Define some shell vars to insert bits of code into the standard elf +# parse_args and list_options functions. +# +PARSE_AND_LIST_PROLOGUE=' +#define OPTION_PGSTE 301 +' + +PARSE_AND_LIST_LONGOPTS=' + { "s390-pgste", no_argument, NULL, OPTION_PGSTE}, +' + +PARSE_AND_LIST_OPTIONS=' + fprintf (file, _(" --s390-pgste Tell the kernel to " + "allocate 4k page tables\n")); +' + +PARSE_AND_LIST_ARGS_CASES=' + case OPTION_PGSTE: + params.pgste = 1; + break; +' + +LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=s390_elf_create_output_section_statements diff --git a/ld/gen-doc.texi b/ld/gen-doc.texi index 27b8198..6b31a6b 100644 --- a/ld/gen-doc.texi +++ b/ld/gen-doc.texi @@ -21,6 +21,7 @@ @set POWERPC @set POWERPC64 @set Renesas +@set S/390 @set SPU @set TICOFF @set WIN32 diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 77b5d3e..bb5f719 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -34,6 +34,7 @@ @set POWERPC @set POWERPC64 @set Renesas +@set S/390 @set SPU @set TICOFF @set WIN32 @@ -158,6 +159,9 @@ in the section entitled ``GNU Free Documentation License''. @ifset POWERPC64 * PowerPC64 ELF64:: ld and PowerPC64 64-bit ELF Support @end ifset +@ifset S/390 +* S/390 ELF:: ld and S/390 ELF Support +@end ifset @ifset SPU * SPU ELF:: ld and SPU ELF Support @end ifset @@ -6565,6 +6569,9 @@ functionality are not listed. @ifset POWERPC64 * PowerPC64 ELF64:: @command{ld} and PowerPC64 64-bit ELF Support @end ifset +@ifset S/390 +* S/390 ELF:: @command{ld} and S/390 ELF Support +@end ifset @ifset SPU * SPU ELF:: @command{ld} and SPU ELF Support @end ifset @@ -7600,6 +7607,30 @@ default behaviour. @end ifclear @end ifset +@ifset S/390 +@ifclear GENERIC +@raisesections +@end ifclear + +@node S/390 ELF +@section @command{ld} and S/390 ELF Support + +@cindex S/390 ELF options +@table @option + +@cindex S/390 +@kindex --s390-pgste +@item --s390-pgste +This option marks the result file with a @code{PT_S390_PGSTE} +segment. The Linux kernel is supposed to allocate 4k page tables for +binaries marked that way. +@end table + +@ifclear GENERIC +@lowersections +@end ifclear +@end ifset + @ifset SPU @ifclear GENERIC @raisesections |