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commit bf2d68ab8c9da89a7caec2abdd2cc27c607f4a04
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Author: Andreas Arnez <arnez@linux.vnet.ibm.com>
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Date: Mon Mar 2 10:57:40 2015 +0100
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S390: Add vector register support to gdbserver
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On S/390 targets with vector registers, enable gdbserver to advertise
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and handle the feature "org.gnu.gdb.s390.vx".
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gdb/gdbserver/ChangeLog:
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* Makefile.in (s390-vx-linux64.c, s390-tevx-linux64.c)
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(s390x-vx-linux64.c, s390x-tevx-linux64.c): New rules.
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(clean): Add "rm -f" for above C files.
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* configure.srv (srv_regobj): Add s390-vx-linux64.o,
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s390-tevx-linux64.o, s390x-vx-linux64.o, and s390x-tevx-linux64.o.
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(srv_xmlfiles): Add s390-vx-linux64.xml, s390-tevx-linux64.xml,
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s390x-vx-linux64.xml, s390x-tevx-linux64.xml, and s390-vx.xml.
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* linux-s390-low.c (HWCAP_S390_VX): New macro.
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(init_registers_s390_vx_linux64, init_registers_s390_tevx_linux64)
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(init_registers_s390x_vx_linux64)
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(init_registers_s390x_tevx_linux64)
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(tdesc_s390_vx_linux64, tdesc_s390_tevx_linux64)
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(tdesc_s390x_vx_linux64, tdesc_s390x_tevx_linux64): New extern
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declarations.
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(s390_fill_vxrs_low, s390_store_vxrs_low, s390_fill_vxrs_high)
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(s390_store_vxrs_high): New functions.
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(s390_regsets): Add entries for NT_S390_VXRS_LOW and
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NT_S390_VXRS_HIGH.
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(s390_arch_setup): Add logic for selecting one of the new target
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descriptions. Activate the new vector regsets if applicable.
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(initialize_low_arch): Also invoke init_registers_s390_vx_linux64,
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init_registers_s390_tevx_linux64, init_registers_s390x_vx_linux64,
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and init_registers_s390x_tevx_linux64.
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### a/gdb/gdbserver/ChangeLog
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### b/gdb/gdbserver/ChangeLog
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## -1,3 +1,29 @@
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+2015-03-02 Andreas Arnez <arnez@linux.vnet.ibm.com>
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+
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+ * Makefile.in (s390-vx-linux64.c, s390-tevx-linux64.c)
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+ (s390x-vx-linux64.c, s390x-tevx-linux64.c): New rules.
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+ (clean): Add "rm -f" for above C files.
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+ * configure.srv (srv_regobj): Add s390-vx-linux64.o,
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+ s390-tevx-linux64.o, s390x-vx-linux64.o, and s390x-tevx-linux64.o.
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+ (srv_xmlfiles): Add s390-vx-linux64.xml, s390-tevx-linux64.xml,
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+ s390x-vx-linux64.xml, s390x-tevx-linux64.xml, and s390-vx.xml.
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+ * linux-s390-low.c (HWCAP_S390_VX): New macro.
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+ (init_registers_s390_vx_linux64, init_registers_s390_tevx_linux64)
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+ (init_registers_s390x_vx_linux64)
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+ (init_registers_s390x_tevx_linux64)
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+ (tdesc_s390_vx_linux64, tdesc_s390_tevx_linux64)
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+ (tdesc_s390x_vx_linux64, tdesc_s390x_tevx_linux64): New extern
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+ declarations.
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+ (s390_fill_vxrs_low, s390_store_vxrs_low, s390_fill_vxrs_high)
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+ (s390_store_vxrs_high): New functions.
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+ (s390_regsets): Add entries for NT_S390_VXRS_LOW and
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+ NT_S390_VXRS_HIGH.
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+ (s390_arch_setup): Add logic for selecting one of the new target
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+ descriptions. Activate the new vector regsets if applicable.
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+ (initialize_low_arch): Also invoke init_registers_s390_vx_linux64,
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+ init_registers_s390_tevx_linux64, init_registers_s390x_vx_linux64,
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+ and init_registers_s390x_tevx_linux64.
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+
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2015-03-01 Pedro Alves <palves@redhat.com>
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* linux-i386-ipa.c (gdb_agent_get_raw_reg): Constify 'raw_regs'
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Index: gdb-7.6.1/gdb/gdbserver/Makefile.in
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===================================================================
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--- gdb-7.6.1.orig/gdb/gdbserver/Makefile.in 2016-02-21 23:23:47.125656373 +0100
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+++ gdb-7.6.1/gdb/gdbserver/Makefile.in 2016-02-21 23:23:47.596659553 +0100
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@@ -331,7 +331,9 @@
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rm -f s390-linux32.c s390-linux64.c s390x-linux64.c
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rm -f s390-linux32v1.c s390-linux32v2.c s390-linux64v1.c
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rm -f s390-linux64v2.c s390x-linux64v1.c s390x-linux64v2.c
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- rm -f s390-te-linux32.c s390-te-linux64.c
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+ rm -f s390-te-linux64.c s390x-te-linux64.c
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+ rm -f s390-vx-linux64.c s390x-vx-linux64.c
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+ rm -f s390-tevx-linux64.c s390x-tevx-linux64.c
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rm -f tic6x-c64xp-linux.c tic6x-c64x-linux.c tic6x-c62x-linux.c
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rm -f xml-builtin.c stamp-xml
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rm -f i386-avx.c i386-avx-linux.c
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@@ -663,6 +665,10 @@
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$(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390-linux64v2.dat s390-linux64v2.c
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s390-te-linux64.c : $(srcdir)/../regformats/s390-te-linux64.dat $(regdat_sh)
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$(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390-te-linux64.dat s390-te-linux64.c
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+s390-vx-linux64.c : $(srcdir)/../regformats/s390-vx-linux64.dat $(regdat_sh)
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+ $(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390-vx-linux64.dat s390-vx-linux64.c
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+s390-tevx-linux64.c : $(srcdir)/../regformats/s390-tevx-linux64.dat $(regdat_sh)
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+ $(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390-tevx-linux64.dat s390-tevx-linux64.c
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s390x-linux64.c : $(srcdir)/../regformats/s390x-linux64.dat $(regdat_sh)
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$(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390x-linux64.dat s390x-linux64.c
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s390x-linux64v1.c : $(srcdir)/../regformats/s390x-linux64v1.dat $(regdat_sh)
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@@ -671,6 +677,10 @@
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$(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390x-linux64v2.dat s390x-linux64v2.c
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s390x-te-linux64.c : $(srcdir)/../regformats/s390x-te-linux64.dat $(regdat_sh)
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$(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390x-te-linux64.dat s390x-te-linux64.c
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+s390x-vx-linux64.c : $(srcdir)/../regformats/s390x-vx-linux64.dat $(regdat_sh)
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+ $(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390x-vx-linux64.dat s390x-vx-linux64.c
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+s390x-tevx-linux64.c : $(srcdir)/../regformats/s390x-tevx-linux64.dat $(regdat_sh)
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+ $(SHELL) $(regdat_sh) $(srcdir)/../regformats/s390x-tevx-linux64.dat s390x-tevx-linux64.c
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tic6x-c64xp-linux.c : $(srcdir)/../regformats/tic6x-c64xp-linux.dat $(regdat_sh)
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$(SHELL) $(regdat_sh) $(srcdir)/../regformats/tic6x-c64xp-linux.dat tic6x-c64xp-linux.c
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Index: gdb-7.6.1/gdb/gdbserver/configure.srv
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===================================================================
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--- gdb-7.6.1.orig/gdb/gdbserver/configure.srv 2016-02-21 23:23:47.125656373 +0100
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+++ gdb-7.6.1/gdb/gdbserver/configure.srv 2016-02-21 23:23:47.596659553 +0100
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@@ -260,10 +260,14 @@
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srv_regobj="${srv_regobj} s390-linux64v1.o"
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srv_regobj="${srv_regobj} s390-linux64v2.o"
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srv_regobj="${srv_regobj} s390-te-linux64.o"
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+ srv_regobj="${srv_regobj} s390-vx-linux64.o"
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+ srv_regobj="${srv_regobj} s390-tevx-linux64.o"
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srv_regobj="${srv_regobj} s390x-linux64.o"
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srv_regobj="${srv_regobj} s390x-linux64v1.o"
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srv_regobj="${srv_regobj} s390x-linux64v2.o"
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srv_regobj="${srv_regobj} s390x-te-linux64.o"
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+ srv_regobj="${srv_regobj} s390x-vx-linux64.o"
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+ srv_regobj="${srv_regobj} s390x-tevx-linux64.o"
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srv_tgtobj="linux-low.o linux-osdata.o linux-s390-low.o linux-procfs.o"
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srv_tgtobj="${srv_tgtobj} linux-ptrace.o"
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srv_xmlfiles="s390-linux32.xml"
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@@ -273,16 +277,21 @@
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srv_xmlfiles="${srv_xmlfiles} s390-linux64v1.xml"
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srv_xmlfiles="${srv_xmlfiles} s390-linux64v2.xml"
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srv_xmlfiles="${srv_xmlfiles} s390-te-linux64.xml"
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+ srv_xmlfiles="${srv_xmlfiles} s390-vx-linux64.xml"
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+ srv_xmlfiles="${srv_xmlfiles} s390-tevx-linux64.xml"
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srv_xmlfiles="${srv_xmlfiles} s390x-linux64.xml"
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srv_xmlfiles="${srv_xmlfiles} s390x-linux64v1.xml"
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srv_xmlfiles="${srv_xmlfiles} s390x-linux64v2.xml"
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srv_xmlfiles="${srv_xmlfiles} s390x-te-linux64.xml"
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+ srv_xmlfiles="${srv_xmlfiles} s390x-vx-linux64.xml"
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+ srv_xmlfiles="${srv_xmlfiles} s390x-tevx-linux64.xml"
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srv_xmlfiles="${srv_xmlfiles} s390-core32.xml"
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srv_xmlfiles="${srv_xmlfiles} s390-core64.xml"
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srv_xmlfiles="${srv_xmlfiles} s390x-core64.xml"
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srv_xmlfiles="${srv_xmlfiles} s390-acr.xml"
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srv_xmlfiles="${srv_xmlfiles} s390-fpr.xml"
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srv_xmlfiles="${srv_xmlfiles} s390-tdb.xml"
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+ srv_xmlfiles="${srv_xmlfiles} s390-vx.xml"
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srv_linux_usrregs=yes
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srv_linux_regsets=yes
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srv_linux_thread_db=yes
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Index: gdb-7.6.1/gdb/gdbserver/linux-s390-low.c
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===================================================================
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--- gdb-7.6.1.orig/gdb/gdbserver/linux-s390-low.c 2016-02-21 23:23:47.169656670 +0100
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+++ gdb-7.6.1/gdb/gdbserver/linux-s390-low.c 2016-02-21 23:23:52.590693275 +0100
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@@ -36,6 +36,10 @@
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#define HWCAP_S390_TE 1024
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#endif
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+#ifndef HWCAP_S390_VX
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+#define HWCAP_S390_VX 2048
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+#endif
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+
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#ifndef PTRACE_GETREGSET
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#define PTRACE_GETREGSET 0x4204
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#endif
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@@ -69,6 +73,22 @@
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/* Defined in auto-generated file s390-te-linux64.c. */
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void init_registers_s390_te_linux64 (void);
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+/* Defined in auto-generated file s390-vx-linux64.c. */
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+void init_registers_s390_vx_linux64 (void);
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+extern const struct target_desc *tdesc_s390_vx_linux64;
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+
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+/* Defined in auto-generated file s390-tevx-linux64.c. */
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+void init_registers_s390_tevx_linux64 (void);
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+extern const struct target_desc *tdesc_s390_tevx_linux64;
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+
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+/* Defined in auto-generated file s390x-vx-linux64.c. */
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+void init_registers_s390x_vx_linux64 (void);
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+extern const struct target_desc *tdesc_s390x_vx_linux64;
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+
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+/* Defined in auto-generated file s390x-tevx-linux64.c. */
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+void init_registers_s390x_tevx_linux64 (void);
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+extern const struct target_desc *tdesc_s390x_tevx_linux64;
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+
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#define s390_num_regs 52
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static int s390_regmap[] = {
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@@ -296,6 +316,46 @@
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supply_register (regcache, tr0 + i, (const char *) buf + 8 * (16 + i));
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}
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+static void
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+s390_fill_vxrs_low (struct regcache *regcache, void *buf)
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+{
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+ int v0 = find_regno ("v0l");
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+ int i;
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+
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+ for (i = 0; i < 16; i++)
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+ collect_register (regcache, v0 + i, (char *) buf + 8 * i);
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+}
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+
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+static void
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+s390_store_vxrs_low (struct regcache *regcache, const void *buf)
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+{
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+ int v0 = find_regno ("v0l");
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+ int i;
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+
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+ for (i = 0; i < 16; i++)
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+ supply_register (regcache, v0 + i, (const char *) buf + 8 * i);
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+}
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+
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+static void
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+s390_fill_vxrs_high (struct regcache *regcache, void *buf)
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+{
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+ int v16 = find_regno ("v16");
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+ int i;
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+
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+ for (i = 0; i < 16; i++)
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+ collect_register (regcache, v16 + i, (char *) buf + 16 * i);
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+}
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+
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+static void
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+s390_store_vxrs_high (struct regcache *regcache, const void *buf)
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+{
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0b42f8 |
+ int v16 = find_regno ("v16");
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0b42f8 |
+ int i;
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0b42f8 |
+
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0b42f8 |
+ for (i = 0; i < 16; i++)
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0b42f8 |
+ supply_register (regcache, v16 + i, (const char *) buf + 16 * i);
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0b42f8 |
+}
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0b42f8 |
+
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|
0b42f8 |
struct regset_info target_regsets[] = {
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|
|
0b42f8 |
{ 0, 0, 0, 0, GENERAL_REGS, s390_fill_gregset, NULL },
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0b42f8 |
/* Last break address is read-only; no fill function. */
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0b42f8 |
@@ -306,6 +366,10 @@
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0b42f8 |
/* TDB is read-only. */
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0b42f8 |
{ PTRACE_GETREGSET, -1, NT_S390_TDB, 0, EXTENDED_REGS,
|
|
|
0b42f8 |
NULL, s390_store_tdb },
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|
0b42f8 |
+ { PTRACE_GETREGSET, PTRACE_SETREGSET, NT_S390_VXRS_LOW, 0,
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|
0b42f8 |
+ EXTENDED_REGS, s390_fill_vxrs_low, s390_store_vxrs_low },
|
|
|
0b42f8 |
+ { PTRACE_GETREGSET, PTRACE_SETREGSET, NT_S390_VXRS_HIGH, 0,
|
|
|
0b42f8 |
+ EXTENDED_REGS, s390_fill_vxrs_high, s390_store_vxrs_high },
|
|
|
0b42f8 |
{ 0, 0, 0, -1, -1, NULL, NULL }
|
|
|
0b42f8 |
};
|
|
|
0b42f8 |
|
|
|
0b42f8 |
@@ -404,6 +468,8 @@
|
|
|
0b42f8 |
int have_regset_system_call
|
|
|
0b42f8 |
= s390_check_regset (pid, NT_S390_SYSTEM_CALL, 4);
|
|
|
0b42f8 |
int have_regset_tdb = s390_check_regset (pid, NT_S390_TDB, 256);
|
|
|
0b42f8 |
+ int have_regset_vxrs = s390_check_regset (pid, NT_S390_VXRS_LOW, 128)
|
|
|
0b42f8 |
+ && s390_check_regset (pid, NT_S390_VXRS_HIGH, 256);
|
|
|
0b42f8 |
|
|
|
0b42f8 |
/* Assume 31-bit inferior process. */
|
|
|
0b42f8 |
if (have_regset_system_call)
|
|
|
0b42f8 |
@@ -432,8 +498,18 @@
|
|
|
0b42f8 |
if (have_regset_tdb)
|
|
|
0b42f8 |
have_regset_tdb =
|
|
|
0b42f8 |
(s390_get_hwcap () & HWCAP_S390_TE) != 0;
|
|
|
0b42f8 |
-
|
|
|
0b42f8 |
- if (have_regset_tdb)
|
|
|
0b42f8 |
+ if (have_regset_vxrs)
|
|
|
0b42f8 |
+ have_regset_vxrs =
|
|
|
0b42f8 |
+ (s390_get_hwcap () & HWCAP_S390_VX) != 0;
|
|
|
0b42f8 |
+
|
|
|
0b42f8 |
+ if (have_regset_vxrs)
|
|
|
0b42f8 |
+ {
|
|
|
0b42f8 |
+ if (have_regset_tdb)
|
|
|
0b42f8 |
+ init_registers_s390x_tevx_linux64 ();
|
|
|
0b42f8 |
+ else
|
|
|
0b42f8 |
+ init_registers_s390x_vx_linux64 ();
|
|
|
0b42f8 |
+ }
|
|
|
0b42f8 |
+ else if (have_regset_tdb)
|
|
|
0b42f8 |
init_registers_s390x_te_linux64 ();
|
|
|
0b42f8 |
else if (have_regset_system_call)
|
|
|
0b42f8 |
init_registers_s390x_linux64v2 ();
|
|
|
0b42f8 |
@@ -449,8 +525,17 @@
|
|
|
0b42f8 |
{
|
|
|
0b42f8 |
if (have_regset_tdb)
|
|
|
0b42f8 |
have_regset_tdb = (s390_get_hwcap () & HWCAP_S390_TE) != 0;
|
|
|
0b42f8 |
+ if (have_regset_vxrs)
|
|
|
0b42f8 |
+ have_regset_vxrs = (s390_get_hwcap () & HWCAP_S390_VX) != 0;
|
|
|
0b42f8 |
|
|
|
0b42f8 |
- if (have_regset_tdb)
|
|
|
0b42f8 |
+ if (have_regset_vxrs)
|
|
|
0b42f8 |
+ {
|
|
|
0b42f8 |
+ if (have_regset_tdb)
|
|
|
0b42f8 |
+ init_registers_s390_tevx_linux64 ();
|
|
|
0b42f8 |
+ else
|
|
|
0b42f8 |
+ init_registers_s390_vx_linux64 ();
|
|
|
0b42f8 |
+ }
|
|
|
0b42f8 |
+ else if (have_regset_tdb)
|
|
|
0b42f8 |
init_registers_s390_te_linux64 ();
|
|
|
0b42f8 |
if (have_regset_system_call)
|
|
|
0b42f8 |
init_registers_s390_linux64v2 ();
|
|
|
0b42f8 |
@@ -477,6 +562,13 @@
|
|
|
0b42f8 |
break;
|
|
|
0b42f8 |
case NT_S390_TDB:
|
|
|
0b42f8 |
regset->size = have_regset_tdb ? 256 : 0;
|
|
|
0b42f8 |
+ break;
|
|
|
0b42f8 |
+ case NT_S390_VXRS_LOW:
|
|
|
0b42f8 |
+ regset->size = have_regset_vxrs ? 128 : 0;
|
|
|
0b42f8 |
+ break;
|
|
|
0b42f8 |
+ case NT_S390_VXRS_HIGH:
|
|
|
0b42f8 |
+ regset->size = have_regset_vxrs ? 256 : 0;
|
|
|
0b42f8 |
+ break;
|
|
|
0b42f8 |
default:
|
|
|
0b42f8 |
break;
|
|
|
0b42f8 |
}
|