Move all to deprecated folder.
This commit is contained in:
@@ -0,0 +1,34 @@
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From 570805e96bb8c458795b04f4745700795997ef40 Mon Sep 17 00:00:00 2001
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From: Romain Naour <romain.naour@openwide.fr>
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Date: Fri, 10 Apr 2015 22:58:07 +0200
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Subject: [PATCH] gdbserver: fix uClibc whithout MMU.
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Since commit d86d4aafd4fa22fa4cccb83253fb187b03f97f48, the pid
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must be retrieved from current_thread.
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The change has not been made in the function linux_read_offsets().
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Fixes:
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http://autobuild.buildroot.net/results/9e4/9e4df085319e346803c26c65478accb27eb950ae/build-end.log
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Signed-off-by: Romain Naour <romain.naour@openwide.fr>
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---
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gdb/gdbserver/linux-low.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c
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index 4d19c87..7585b80 100644
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--- a/gdb/gdbserver/linux-low.c
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+++ b/gdb/gdbserver/linux-low.c
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@@ -4933,7 +4933,7 @@ static int
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linux_read_offsets (CORE_ADDR *text_p, CORE_ADDR *data_p)
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{
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unsigned long text, text_end, data;
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- int pid = lwpid_of (get_thread_lwp (current_thread));
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+ int pid = lwpid_of (current_thread);
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errno = 0;
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--
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1.9.3
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@@ -0,0 +1,47 @@
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From deb44829ecc1dd38275af0fcf91acd319e227a89 Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Fri, 17 Apr 2015 03:07:41 +0300
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Subject: [PATCH 1/2] gdbserver/xtensa: drop xtensa_usrregs_info
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xtensa_usrregs_info refers to undefined variables xtensa_num_regs and
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xtensa_regmap. Drop xtensa_usrregs_info and replace pointer to usrregs
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in regs_info with NULL since all registers are read/set through regsets.
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2015-04-17 Max Filippov <jcmvbkbc@gmail.com>
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gdb/gdbserver/
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* linux-xtensa-low.c (xtensa_usrregs_info): Remove.
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(regs_info): Replace usrregs pointer with NULL.
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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Backported from: deb44829ecc1dd38275af0fcf91acd319e227a89
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Changes to ChangeLog are dropped.
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gdb/gdbserver/linux-xtensa-low.c | 8 +-------
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2 files changed, 6 insertions(+), 7 deletions(-)
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diff --git a/gdb/gdbserver/linux-xtensa-low.c b/gdb/gdbserver/linux-xtensa-low.c
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index f7fafaf..e786da5 100644
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--- a/gdb/gdbserver/linux-xtensa-low.c
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+++ b/gdb/gdbserver/linux-xtensa-low.c
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@@ -186,16 +186,10 @@ static struct regsets_info xtensa_regsets_info =
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NULL, /* disabled_regsets */
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};
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-static struct usrregs_info xtensa_usrregs_info =
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- {
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- xtensa_num_regs,
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- xtensa_regmap,
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- };
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-
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static struct regs_info regs_info =
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{
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NULL, /* regset_bitmap */
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- &xtensa_usrregs_info,
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+ NULL, /* usrregs */
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&xtensa_regsets_info
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};
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--
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1.8.1.4
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@@ -0,0 +1,46 @@
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From a2d5a9d76f2366ed93095fc5a63eafa06b22f808 Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Fri, 17 Apr 2015 02:52:50 +0300
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Subject: [PATCH 2/2] gdbserver/xtensa: fix typo in XCHAL_HAVE_LOOPS
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This fixes lbeg/lend/lcount registers handling through gdbserver.
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2015-04-17 Max Filippov <jcmvbkbc@gmail.com>
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gdb/gdbserver/
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* linux-xtensa-low.c (xtensa_fill_gregset)
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(xtensa_store_gregset): Check XCHAL_HAVE_LOOPS instead of
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XCHAL_HAVE_LOOP.
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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Backported from: a2d5a9d76f2366ed93095fc5a63eafa06b22f808
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Changes to ChangeLog are dropped.
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gdb/gdbserver/linux-xtensa-low.c | 4 ++--
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2 files changed, 8 insertions(+), 2 deletions(-)
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diff --git a/gdb/gdbserver/linux-xtensa-low.c b/gdb/gdbserver/linux-xtensa-low.c
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index e786da5..4daccee 100644
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--- a/gdb/gdbserver/linux-xtensa-low.c
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+++ b/gdb/gdbserver/linux-xtensa-low.c
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@@ -59,7 +59,7 @@ xtensa_fill_gregset (struct regcache *regcache, void *buf)
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/* Loop registers, if hardware has it. */
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-#if XCHAL_HAVE_LOOP
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+#if XCHAL_HAVE_LOOPS
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collect_register_by_name (regcache, "lbeg", (char*)&rset[R_LBEG]);
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collect_register_by_name (regcache, "lend", (char*)&rset[R_LEND]);
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collect_register_by_name (regcache, "lcount", (char*)&rset[R_LCOUNT]);
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@@ -94,7 +94,7 @@ xtensa_store_gregset (struct regcache *regcache, const void *buf)
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/* Loop registers, if hardware has it. */
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-#if XCHAL_HAVE_LOOP
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+#if XCHAL_HAVE_LOOPS
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supply_register_by_name (regcache, "lbeg", (char*)&rset[R_LBEG]);
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supply_register_by_name (regcache, "lend", (char*)&rset[R_LEND]);
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supply_register_by_name (regcache, "lcount", (char*)&rset[R_LCOUNT]);
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--
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1.8.1.4
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@@ -0,0 +1,267 @@
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From d4eb69fc4b50f9a0babd70b28d0601b40f31bd0f Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Thu, 2 Jul 2015 15:10:58 +0300
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Subject: [PATCH] xtensa: implement NPTL helpers
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These changes allow debugging multithreaded NPTL xtensa applications.
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2015-08-20 Max Filippov <jcmvbkbc@gmail.com>
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gdb/gdbserver/
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* configure.srv (xtensa*-*-linux*): Add srv_linux_thread_db=yes.
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* linux-xtensa-low.c (arch/xtensa.h gdb_proc_service.h): New
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#includes.
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(ps_get_thread_area): New function.
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2015-08-20 Max Filippov <jcmvbkbc@gmail.com>
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gdb/
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* arch/xtensa.h: New file.
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* xtensa-linux-nat.c (gdb_proc_service.h): New #include.
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(ps_get_thread_area): New function.
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* xtensa-linux-tdep.c (xtensa_linux_init_abi): Add call to
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set_gdbarch_fetch_tls_load_module_address to enable TLS support.
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* xtensa-tdep.c (osabi.h): New #include.
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(xtensa_gdbarch_init): Call gdbarch_init_osabi to register
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xtensa-specific hooks.
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* xtensa-tdep.h (struct xtensa_elf_gregset_t): Add threadptr
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member and move the structure to arch/xtensa.h.
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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Backported from: 40045d91812b25c88c8275b8c08d27c234b68ba8
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Changes to ChangeLog files are dropped.
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gdb/arch/xtensa.h | 46 ++++++++++++++++++++++++++++++++++++++++
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gdb/gdbserver/configure.srv | 1 +
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gdb/gdbserver/linux-xtensa-low.c | 21 ++++++++++++++++++
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gdb/xtensa-linux-nat.c | 22 ++++++++++++++++++
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gdb/xtensa-linux-tdep.c | 4 ++++
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gdb/xtensa-tdep.c | 4 ++++
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gdb/xtensa-tdep.h | 24 ++------------------
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7 files changed, 100 insertions(+), 22 deletions(-)
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create mode 100644 gdb/arch/xtensa.h
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diff --git a/gdb/arch/xtensa.h b/gdb/arch/xtensa.h
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new file mode 100644
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index 0000000..fe96584
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--- /dev/null
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+++ b/gdb/arch/xtensa.h
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@@ -0,0 +1,46 @@
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+/* Common Target-dependent code for the Xtensa port of GDB, the GNU debugger.
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+
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+ Copyright (C) 2003-2015 Free Software Foundation, Inc.
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+
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+ This file is part of GDB.
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+
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+ This program is free software; you can redistribute it and/or modify
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+ it under the terms of the GNU General Public License as published by
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+ the Free Software Foundation; either version 3 of the License, or
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+ (at your option) any later version.
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+
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+ This program is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ GNU General Public License for more details.
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+
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+ You should have received a copy of the GNU General Public License
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+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
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+
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+#ifndef XTENSA_H
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+#define XTENSA_H
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+
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+/* Xtensa ELF core file register set representation ('.reg' section).
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+ Copied from target-side ELF header <xtensa/elf.h>. */
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+
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+typedef uint32_t xtensa_elf_greg_t;
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+
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+typedef struct
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+{
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+ xtensa_elf_greg_t pc;
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+ xtensa_elf_greg_t ps;
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+ xtensa_elf_greg_t lbeg;
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+ xtensa_elf_greg_t lend;
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+ xtensa_elf_greg_t lcount;
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+ xtensa_elf_greg_t sar;
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+ xtensa_elf_greg_t windowstart;
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+ xtensa_elf_greg_t windowbase;
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+ xtensa_elf_greg_t threadptr;
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+ xtensa_elf_greg_t reserved[7+48];
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+ xtensa_elf_greg_t ar[64];
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+} xtensa_elf_gregset_t;
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+
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+#define XTENSA_ELF_NGREG (sizeof (xtensa_elf_gregset_t) \
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+ / sizeof (xtensa_elf_greg_t))
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+
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+#endif
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diff --git a/gdb/gdbserver/configure.srv b/gdb/gdbserver/configure.srv
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index 0b18d1d..320c26a 100644
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--- a/gdb/gdbserver/configure.srv
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+++ b/gdb/gdbserver/configure.srv
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@@ -352,6 +352,7 @@ case "${target}" in
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xtensa*-*-linux*) srv_regobj=reg-xtensa.o
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srv_tgtobj="$srv_linux_obj linux-xtensa-low.o"
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srv_linux_regsets=yes
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+ srv_linux_thread_db=yes
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;;
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tilegx-*-linux*) srv_regobj=reg-tilegx.o
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srv_regobj="${srv_regobj} reg-tilegx32.o"
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diff --git a/gdb/gdbserver/linux-xtensa-low.c b/gdb/gdbserver/linux-xtensa-low.c
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index 4daccee..debe467 100644
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--- a/gdb/gdbserver/linux-xtensa-low.c
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+++ b/gdb/gdbserver/linux-xtensa-low.c
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@@ -26,6 +26,8 @@ extern const struct target_desc *tdesc_xtensa;
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#include <asm/ptrace.h>
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#include <xtensa-config.h>
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+#include "arch/xtensa.h"
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+#include "gdb_proc_service.h"
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#include "xtensa-xtregs.c"
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@@ -179,6 +181,25 @@ xtensa_breakpoint_at (CORE_ADDR where)
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xtensa_breakpoint, xtensa_breakpoint_len) == 0;
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}
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+/* Called by libthread_db. */
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+
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+ps_err_e
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+ps_get_thread_area (const struct ps_prochandle *ph,
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+ lwpid_t lwpid, int idx, void **base)
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+{
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+ xtensa_elf_gregset_t regs;
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+
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+ if (ptrace (PTRACE_GETREGS, lwpid, NULL, ®s) != 0)
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+ return PS_ERR;
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+
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+ /* IDX is the bias from the thread pointer to the beginning of the
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+ thread descriptor. It has to be subtracted due to implementation
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+ quirks in libthread_db. */
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+ *base = (void *) ((char *) regs.threadptr - idx);
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+
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+ return PS_OK;
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+}
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+
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static struct regsets_info xtensa_regsets_info =
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{
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xtensa_regsets, /* regsets */
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diff --git a/gdb/xtensa-linux-nat.c b/gdb/xtensa-linux-nat.c
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index 77ad3e0..5538d5b 100644
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--- a/gdb/xtensa-linux-nat.c
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+++ b/gdb/xtensa-linux-nat.c
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@@ -37,6 +37,9 @@
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#include "gregset.h"
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#include "xtensa-tdep.h"
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+/* Defines ps_err_e, struct ps_prochandle. */
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+#include "gdb_proc_service.h"
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+
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/* Extended register set depends on hardware configs.
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Keeping these definitions separately allows to introduce
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hardware-specific overlays. */
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@@ -280,6 +283,25 @@ xtensa_linux_store_inferior_registers (struct target_ops *ops,
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store_xtregs (regcache, regnum);
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}
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+/* Called by libthread_db. */
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+
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+ps_err_e
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+ps_get_thread_area (const struct ps_prochandle *ph,
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+ lwpid_t lwpid, int idx, void **base)
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+{
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+ xtensa_elf_gregset_t regs;
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+
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+ if (ptrace (PTRACE_GETREGS, lwpid, NULL, ®s) != 0)
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+ return PS_ERR;
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+
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+ /* IDX is the bias from the thread pointer to the beginning of the
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+ thread descriptor. It has to be subtracted due to implementation
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+ quirks in libthread_db. */
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+ *base = (void *) ((char *) regs.threadptr - idx);
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+
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+ return PS_OK;
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+}
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+
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void _initialize_xtensa_linux_nat (void);
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void
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diff --git a/gdb/xtensa-linux-tdep.c b/gdb/xtensa-linux-tdep.c
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index 61ea9b0..99e0d3e 100644
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--- a/gdb/xtensa-linux-tdep.c
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+++ b/gdb/xtensa-linux-tdep.c
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@@ -106,6 +106,10 @@ xtensa_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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xtensa_linux_gdb_signal_from_target);
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set_gdbarch_gdb_signal_to_target (gdbarch,
|
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xtensa_linux_gdb_signal_to_target);
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+
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+ /* Enable TLS support. */
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+ set_gdbarch_fetch_tls_load_module_address (gdbarch,
|
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+ svr4_fetch_objfile_link_map);
|
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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diff --git a/gdb/xtensa-tdep.c b/gdb/xtensa-tdep.c
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index 55e7d98..4b693ed 100644
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--- a/gdb/xtensa-tdep.c
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+++ b/gdb/xtensa-tdep.c
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@@ -28,6 +28,7 @@
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#include "value.h"
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#include "dis-asm.h"
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#include "inferior.h"
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+#include "osabi.h"
|
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#include "floatformat.h"
|
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#include "regcache.h"
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#include "reggroups.h"
|
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@@ -3273,6 +3274,9 @@ xtensa_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
|
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set_solib_svr4_fetch_link_map_offsets
|
||||
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
|
||||
|
||||
+ /* Hook in the ABI-specific overrides, if they have been registered. */
|
||||
+ gdbarch_init_osabi (info, gdbarch);
|
||||
+
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||||
return gdbarch;
|
||||
}
|
||||
|
||||
diff --git a/gdb/xtensa-tdep.h b/gdb/xtensa-tdep.h
|
||||
index caa2988..5b28cab 100644
|
||||
--- a/gdb/xtensa-tdep.h
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||||
+++ b/gdb/xtensa-tdep.h
|
||||
@@ -18,6 +18,8 @@
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||
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||||
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+#include "arch/xtensa.h"
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||||
+
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||||
/* XTENSA_TDEP_VERSION can/should be changed along with XTENSA_CONFIG_VERSION
|
||||
whenever the "tdep" structure changes in an incompatible way. */
|
||||
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@@ -81,28 +83,6 @@ typedef enum
|
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} xtensa_target_flags_t;
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-/* Xtensa ELF core file register set representation ('.reg' section).
|
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- Copied from target-side ELF header <xtensa/elf.h>. */
|
||||
-
|
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-typedef uint32_t xtensa_elf_greg_t;
|
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-
|
||||
-typedef struct
|
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-{
|
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- xtensa_elf_greg_t pc;
|
||||
- xtensa_elf_greg_t ps;
|
||||
- xtensa_elf_greg_t lbeg;
|
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- xtensa_elf_greg_t lend;
|
||||
- xtensa_elf_greg_t lcount;
|
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- xtensa_elf_greg_t sar;
|
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- xtensa_elf_greg_t windowstart;
|
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- xtensa_elf_greg_t windowbase;
|
||||
- xtensa_elf_greg_t reserved[8+48];
|
||||
- xtensa_elf_greg_t ar[64];
|
||||
-} xtensa_elf_gregset_t;
|
||||
-
|
||||
-#define XTENSA_ELF_NGREG (sizeof (xtensa_elf_gregset_t) \
|
||||
- / sizeof (xtensa_elf_greg_t))
|
||||
-
|
||||
/* Mask. */
|
||||
|
||||
typedef struct
|
||||
--
|
||||
1.8.1.4
|
||||
|
||||
Reference in New Issue
Block a user