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S390: Support new vector register sections

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The IBM z13 has new 128-bit wide vector registers v0-v31, where v0-v15
include the existing 64-bit wide floating point registers.  The Linux
kernel presents the vector registers as two additional register sets,
one for the right halves of v0-v15 and another one for the full
registers v16-v31.  Thus a new core file may contain two new register
note sections, and this patch adds support to binutils for them.

bfd/
	* elf-bfd.h (elfcore_write_s390_vxrs_low): Add prototype.
	(elfcore_write_s390_vxrs_high): Likewise.
	* elf.c (elfcore_grok_s390_vxrs_low): New function.
	(elfcore_grok_s390_vxrs_high): New function.
	(elfcore_grok_note): Call them.
	(elfcore_write_s390_vxrs_low): New function.
	(elfcore_write_s390_vxrs_high): New function.
	(elfcore_write_register_note): Call them.

binutils/
	* readelf.c (get_note_type): Add NT_S390_VXRS_LOW and
	NT_S390_VXRS_HIGH.

include/elf/
	* common.h (NT_S390_VXRS_LOW): New macro.
	(NT_S390_VXRS_HIGH): Likewise.
This commit is contained in:
Andreas Arnez
2015-02-20 10:39:53 +01:00
committed by Andreas Krebbel
parent dc049bf460
commit 4ef9f41a95
7 changed files with 88 additions and 0 deletions
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4
binutils/readelf.c
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@@ -14513,6 +14513,10 @@ get_note_type (unsigned e_type)
return _("NT_S390_SYSTEM_CALL (s390 system call restart data)");
case NT_S390_TDB:
return _("NT_S390_TDB (s390 transaction diagnostic block)");
case NT_S390_VXRS_LOW:
return _("NT_S390_VXRS_LOW (s390 vector registers 0-15 upper half)");
case NT_S390_VXRS_HIGH:
return _("NT_S390_VXRS_HIGH (s390 vector registers 16-31)");
case NT_ARM_VFP:
return _("NT_ARM_VFP (arm VFP registers)");
case NT_ARM_TLS: