b774b86094
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/gdb#6aff62077bcb16ebf2ba3c498634bce35eda276b
188 lines
6.6 KiB
Diff
188 lines
6.6 KiB
Diff
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
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From: Fedora GDB patches <invalid@email.com>
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Date: Fri, 27 Oct 2017 21:07:50 +0200
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Subject: gdb-archer.patch
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;; Python patches of: http://sourceware.org/gdb/wiki/ProjectArcher
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;;=push
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http://sourceware.org/gdb/wiki/ProjectArcher
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http://sourceware.org/gdb/wiki/ArcherBranchManagement
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GIT snapshot:
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commit 718a1618b2f691a7f407213bb50f100ac59f91c3
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tromey/python
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diff --git a/gdb/data-directory/Makefile.in b/gdb/data-directory/Makefile.in
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--- a/gdb/data-directory/Makefile.in
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+++ b/gdb/data-directory/Makefile.in
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@@ -80,6 +80,7 @@ PYTHON_FILE_LIST = \
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gdb/unwinder.py \
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gdb/xmethod.py \
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gdb/command/__init__.py \
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+ gdb/command/ignore_errors.py \
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gdb/command/explore.py \
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gdb/command/backtrace.py \
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gdb/command/frame_filters.py \
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@@ -92,6 +93,7 @@ PYTHON_FILE_LIST = \
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gdb/function/as_string.py \
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gdb/function/caller_is.py \
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gdb/function/strfns.py \
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+ gdb/function/in_scope.py \
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gdb/printer/__init__.py \
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gdb/printer/bound_registers.py
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diff --git a/gdb/gdb-gdb.gdb.in b/gdb/gdb-gdb.gdb.in
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--- a/gdb/gdb-gdb.gdb.in
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+++ b/gdb/gdb-gdb.gdb.in
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@@ -1,5 +1,15 @@
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echo Setting up the environment for debugging gdb.\n
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+# Set up the Python library and "require" command.
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+python
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+from os.path import abspath
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+gdb.datadir = abspath ('@srcdir@/python/lib')
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+gdb.pythonlibdir = gdb.datadir
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+gdb.__path__ = [gdb.datadir + '/gdb']
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+sys.path.insert(0, gdb.datadir)
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+end
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+source @srcdir@/python/lib/gdb/__init__.py
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+
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if !$gdb_init_done
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set variable $gdb_init_done = 1
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diff --git a/gdb/python/lib/gdb/command/ignore_errors.py b/gdb/python/lib/gdb/command/ignore_errors.py
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new file mode 100644
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--- /dev/null
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+++ b/gdb/python/lib/gdb/command/ignore_errors.py
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@@ -0,0 +1,37 @@
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+# Ignore errors in user commands.
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+
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+# Copyright (C) 2008 Free Software Foundation, Inc.
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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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+import gdb
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+
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+class IgnoreErrorsCommand (gdb.Command):
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+ """Execute a single command, ignoring all errors.
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+Only one-line commands are supported.
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+This is primarily useful in scripts."""
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+
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+ def __init__ (self):
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+ super (IgnoreErrorsCommand, self).__init__ ("ignore-errors",
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+ gdb.COMMAND_OBSCURE,
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+ # FIXME...
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+ gdb.COMPLETE_COMMAND)
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+
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+ def invoke (self, arg, from_tty):
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+ try:
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+ gdb.execute (arg, from_tty)
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+ except:
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+ pass
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+
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+IgnoreErrorsCommand ()
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diff --git a/gdb/python/lib/gdb/function/in_scope.py b/gdb/python/lib/gdb/function/in_scope.py
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new file mode 100644
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--- /dev/null
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+++ b/gdb/python/lib/gdb/function/in_scope.py
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@@ -0,0 +1,47 @@
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+# In-scope function.
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+
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+# Copyright (C) 2008 Free Software Foundation, Inc.
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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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+import gdb
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+
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+class InScope (gdb.Function):
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+ """Return True if all the given variables or macros are in scope.
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+Takes one argument for each variable name to be checked."""
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+
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+ def __init__ (self):
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+ super (InScope, self).__init__ ("in_scope")
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+
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+ def invoke (self, *vars):
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+ if len (vars) == 0:
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+ raise (TypeError, "in_scope takes at least one argument")
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+
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+ # gdb.Value isn't hashable so it can't be put in a map.
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+ # Convert to string first.
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+ wanted = set (map (lambda x: x.string (), vars))
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+ found = set ()
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+ block = gdb.selected_frame ().block ()
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+ while block:
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+ for sym in block:
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+ if (sym.is_argument or sym.is_constant
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+ or sym.is_function or sym.is_variable):
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+ if sym.name in wanted:
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+ found.add (sym.name)
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+
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+ block = block.superblock
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+
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+ return wanted == found
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+
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+InScope ()
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diff --git a/gdb/testsuite/gdb.python/py-frame.exp b/gdb/testsuite/gdb.python/py-frame.exp
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--- a/gdb/testsuite/gdb.python/py-frame.exp
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+++ b/gdb/testsuite/gdb.python/py-frame.exp
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@@ -95,6 +95,8 @@ gdb_test "python print ('result = %s' % f0.read_var ('a'))" " = 1" "test Frame.r
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gdb_test "python print ('result = %s' % (gdb.selected_frame () == f1))" " = True" "test gdb.selected_frame"
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+gdb_test "python print ('result = %s' % (f0.block ()))" "<gdb.Block object at 0x\[\[:xdigit:\]\]+>" "test Frame.block"
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+
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# Can read SP register.
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gdb_test "python print ('result = %s' % (gdb.selected_frame ().read_register ('sp') == gdb.parse_and_eval ('\$sp')))" \
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" = True" \
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diff --git a/gdb/testsuite/gdb.python/py-value.exp b/gdb/testsuite/gdb.python/py-value.exp
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--- a/gdb/testsuite/gdb.python/py-value.exp
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+++ b/gdb/testsuite/gdb.python/py-value.exp
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@@ -419,6 +419,15 @@ proc test_value_after_death {} {
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"print value's type"
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}
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+# Regression test for a cast failure. The bug was that if we cast a
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+# value to its own type, gdb could crash. This happened because we
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+# could end up double-freeing a struct value.
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+proc test_cast_regression {} {
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+ gdb_test "python v = gdb.Value(5)" "" "create value for cast test"
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+ gdb_test "python v = v.cast(v.type)" "" "cast value for cast test"
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+ gdb_test "python print(v)" "5" "print value for cast test"
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+}
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+
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# Regression test for invalid subscript operations. The bug was that
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# the type of the value was not being checked before allowing a
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# subscript operation to proceed.
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@@ -606,6 +615,7 @@ test_value_in_inferior
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test_value_from_buffer
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test_inferior_function_call
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test_value_after_death
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+test_cast_regression
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# Test either C or C++ values.
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