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commit 4ef9f41a9538c9c7e4e540277e437b137cb64c4c
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Author: Andreas Arnez <arnez@linux.vnet.ibm.com>
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Date: Fri Feb 20 10:39:53 2015 +0100
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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
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include the existing 64-bit wide floating point registers. The Linux
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kernel presents the vector registers as two additional register sets,
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one for the right halves of v0-v15 and another one for the full
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registers v16-v31. Thus a new core file may contain two new register
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note sections, and this patch adds support to binutils for them.
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bfd/
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* elf-bfd.h (elfcore_write_s390_vxrs_low): Add prototype.
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(elfcore_write_s390_vxrs_high): Likewise.
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* elf.c (elfcore_grok_s390_vxrs_low): New function.
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(elfcore_grok_s390_vxrs_high): New function.
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(elfcore_grok_note): Call them.
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(elfcore_write_s390_vxrs_low): New function.
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(elfcore_write_s390_vxrs_high): New function.
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(elfcore_write_register_note): Call them.
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binutils/
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* readelf.c (get_note_type): Add NT_S390_VXRS_LOW and
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NT_S390_VXRS_HIGH.
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include/elf/
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* common.h (NT_S390_VXRS_LOW): New macro.
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(NT_S390_VXRS_HIGH): Likewise.
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### a/bfd/ChangeLog
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### b/bfd/ChangeLog
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## -1,3 +1,14 @@
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+2015-02-20 Andreas Arnez <arnez@linux.vnet.ibm.com>
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+
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+ * elf-bfd.h (elfcore_write_s390_vxrs_low): Add prototype.
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+ (elfcore_write_s390_vxrs_high): Likewise.
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+ * elf.c (elfcore_grok_s390_vxrs_low): New function.
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+ (elfcore_grok_s390_vxrs_high): New function.
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+ (elfcore_grok_note): Call them.
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+ (elfcore_write_s390_vxrs_low): New function.
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+ (elfcore_write_s390_vxrs_high): New function.
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+ (elfcore_write_register_note): Call them.
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+
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2015-02-19 Branko Drevensek <branko.drevensek@gmail.com>
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PR 17995
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--- a/bfd/elf-bfd.h
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+++ b/bfd/elf-bfd.h
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@@ -2285,6 +2285,10 @@ extern char *elfcore_write_s390_system_call
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(bfd *, char *, int *, const void *, int);
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extern char *elfcore_write_s390_tdb
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(bfd *, char *, int *, const void *, int);
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+extern char *elfcore_write_s390_vxrs_low
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+ (bfd *, char *, int *, const void *, int);
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+extern char *elfcore_write_s390_vxrs_high
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+ (bfd *, char *, int *, const void *, int);
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extern char *elfcore_write_arm_vfp
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(bfd *, char *, int *, const void *, int);
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extern char *elfcore_write_aarch_tls
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--- a/bfd/elf.c
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+++ b/bfd/elf.c
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@@ -8251,6 +8251,18 @@ elfcore_grok_s390_tdb (bfd *abfd, Elf_Internal_Note *note)
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}
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static bfd_boolean
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+elfcore_grok_s390_vxrs_low (bfd *abfd, Elf_Internal_Note *note)
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+{
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+ return elfcore_make_note_pseudosection (abfd, ".reg-s390-vxrs-low", note);
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+}
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+
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+static bfd_boolean
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+elfcore_grok_s390_vxrs_high (bfd *abfd, Elf_Internal_Note *note)
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+{
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+ return elfcore_make_note_pseudosection (abfd, ".reg-s390-vxrs-high", note);
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+}
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+
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+static bfd_boolean
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elfcore_grok_arm_vfp (bfd *abfd, Elf_Internal_Note *note)
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{
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return elfcore_make_note_pseudosection (abfd, ".reg-arm-vfp", note);
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@@ -8714,6 +8726,20 @@ elfcore_grok_note (bfd *abfd, Elf_Internal_Note *note)
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else
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return TRUE;
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+ case NT_S390_VXRS_LOW:
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+ if (note->namesz == 6
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+ && strcmp (note->namedata, "LINUX") == 0)
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+ return elfcore_grok_s390_vxrs_low (abfd, note);
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+ else
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+ return TRUE;
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+
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+ case NT_S390_VXRS_HIGH:
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+ if (note->namesz == 6
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+ && strcmp (note->namedata, "LINUX") == 0)
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+ return elfcore_grok_s390_vxrs_high (abfd, note);
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+ else
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+ return TRUE;
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+
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case NT_ARM_VFP:
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if (note->namesz == 6
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&& strcmp (note->namedata, "LINUX") == 0)
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@@ -9580,6 +9606,31 @@ elfcore_write_s390_tdb (bfd *abfd,
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}
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char *
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+elfcore_write_s390_vxrs_low (bfd *abfd,
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+ char *buf,
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+ int *bufsiz,
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+ const void *s390_vxrs_low,
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+ int size)
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+{
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+ char *note_name = "LINUX";
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+ return elfcore_write_note (abfd, buf, bufsiz,
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+ note_name, NT_S390_VXRS_LOW, s390_vxrs_low, size);
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+}
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+
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+char *
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+elfcore_write_s390_vxrs_high (bfd *abfd,
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+ char *buf,
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+ int *bufsiz,
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+ const void *s390_vxrs_high,
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+ int size)
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+{
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+ char *note_name = "LINUX";
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+ return elfcore_write_note (abfd, buf, bufsiz,
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+ note_name, NT_S390_VXRS_HIGH,
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+ s390_vxrs_high, size);
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+}
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+
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+char *
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elfcore_write_arm_vfp (bfd *abfd,
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char *buf,
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int *bufsiz,
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@@ -9663,6 +9714,10 @@ elfcore_write_register_note (bfd *abfd,
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return elfcore_write_s390_system_call (abfd, buf, bufsiz, data, size);
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if (strcmp (section, ".reg-s390-tdb") == 0)
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return elfcore_write_s390_tdb (abfd, buf, bufsiz, data, size);
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+ if (strcmp (section, ".reg-s390-vxrs-low") == 0)
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+ return elfcore_write_s390_vxrs_low (abfd, buf, bufsiz, data, size);
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+ if (strcmp (section, ".reg-s390-vxrs-high") == 0)
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+ return elfcore_write_s390_vxrs_high (abfd, buf, bufsiz, data, size);
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if (strcmp (section, ".reg-arm-vfp") == 0)
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return elfcore_write_arm_vfp (abfd, buf, bufsiz, data, size);
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if (strcmp (section, ".reg-aarch-tls") == 0)
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### a/include/elf/ChangeLog
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### b/include/elf/ChangeLog
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## -1,3 +1,8 @@
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+2015-02-20 Andreas Arnez <arnez@linux.vnet.ibm.com>
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+
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+ * common.h (NT_S390_VXRS_LOW): New macro.
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+ (NT_S390_VXRS_HIGH): Likewise.
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+
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2015-01-28 James Bowman <james.bowman@ftdichip.com>
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* common.h (EM_FT32): Define.
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--- a/include/elf/common.h
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+++ b/include/elf/common.h
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@@ -557,6 +557,10 @@
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/* note name must be "LINUX". */
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#define NT_S390_TDB 0x308 /* S390 transaction diagnostic block */
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/* note name must be "LINUX". */
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+#define NT_S390_VXRS_LOW 0x309 /* S390 vector registers 0-15 upper half */
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+ /* note name must be "LINUX". */
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+#define NT_S390_VXRS_HIGH 0x30a /* S390 vector registers 16-31 */
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+ /* note name must be "LINUX". */
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#define NT_ARM_VFP 0x400 /* ARM VFP registers */
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/* The following definitions should really use NT_AARCH_..., but defined
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this way for compatibility with Linux. */
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