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| author | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2017-06-08 17:24:50 +0200 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@linux.vnet.ibm.com> | 2017-06-23 08:00:46 +0200 |
| commit | b4cbbe8f7294070cc93a71ace78f134965ddad82 (patch) | |
| tree | 1780b64a6f43485b4b815456f855e76d9852af7f /ld/ld.texinfo | |
| parent | 790ba5c89893f31dabb6d8e85c8d4be61c52ad99 (diff) | |
| download | fsf-binutils-gdb-b4cbbe8f7294070cc93a71ace78f134965ddad82.zip fsf-binutils-gdb-b4cbbe8f7294070cc93a71ace78f134965ddad82.tar.gz fsf-binutils-gdb-b4cbbe8f7294070cc93a71ace78f134965ddad82.tar.bz2 | |
S/390: Add support for pgste marker
This patch adds a new S/390 specific segment type: PT_S390_PGSTE. For
binaries marked with that segment the kernel will allocate 4k page
tables. The only user so far will be qemu.
ld/ChangeLog:
2017-06-23 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* Makefile.in: Add s390.em as build dependency.
* emulparams/elf64_s390.sh (EXTRA_EM_FILE): Add s390.em.
* emultempl/s390.em: New file.
* gen-doc.texi: Add documentation for --s390-pgste option.
* ld.texinfo: Likewise.
include/ChangeLog:
2017-06-23 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* elf/s390.h (PT_S390_PGSTE): Define macro.
binutils/ChangeLog:
2017-06-23 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* readelf.c (get_s390_segment_type): Add support for the new
segment type PT_S390_PGSTE.
(get_segment_type): Call get_s390_segment_type.
elfcpp/ChangeLog:
2017-06-23 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* elfcpp.h (enum PT): Add PT_S390_PGSTE to enum.
bfd/ChangeLog:
2017-06-23 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* elf-s390.h: New file.
* elf64-s390.c (struct elf_s390_link_hash_table): Add params
field.
(elf_s390_additional_program_headers): New function.
(elf_s390_modify_segment_map): New function.
(bfd_elf_s390_set_options): New function.
(elf_backend_additional_program_headers)
(elf_backend_modify_segment_map): Add macro definitions.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 31 |
1 files changed, 31 insertions, 0 deletions
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 |