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S390: Support guarded-storage core note sections

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Newer Linux kernel versions offer two new register sets in support of the
z/Architecture's guarded storage facility: NT_S390_GS_CB, the
"guarded-storage registers", and NT_S390_GS_BC, the "guarded-storage
broadcast control block".  This patch adds support for the respective core
notes sections to binutils.

bfd/ChangeLog:
	* elf-bfd.h (elfcore_write_s390_gs_cb): Add prototype.
	(elfcore_write_s390_gs_bc): Likewise.
	* elf.c (elfcore_grok_s390_gs_cb): New function.
	(elfcore_grok_s390_gs_bc): New function.
	(elfcore_grok_note): Call them.
	(elfcore_write_s390_gs_cb): New function.
	(elfcore_write_s390_gs_bc): New function.
	(elfcore_write_register_note): Call them.

binutils/ChangeLog:
	* readelf.c (get_note_type): Add NT_S390_GS_CB and NT_S390_GS_BC.

include/ChangeLog:
	* elf/common.h (NT_S390_GS_CB): New macro.
	(NT_S390_GS_BC): Likewise.
This commit is contained in:
Andreas Arnez
2017-06-29 10:30:09 +02:00
parent 1b19ec9710
commit 88ab90e860
7 changed files with 88 additions and 0 deletions
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4
include/elf/common.h
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@@ -598,6 +598,10 @@
/* note name must be "LINUX". */
#define NT_S390_VXRS_HIGH 0x30a /* S390 vector registers 16-31 */
/* note name must be "LINUX". */
#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers */
/* note name must be "LINUX". */
#define NT_S390_GS_BC 0x30c /* s390 guarded storage broadcast control block */
/* note name must be "LINUX". */
#define NT_ARM_VFP 0x400 /* ARM VFP registers */
/* The following definitions should really use NT_AARCH_..., but defined
this way for compatibility with Linux. */