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This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
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This changes gdb_skip_xml_test to invert the sense, and renames it to
allow_xml_test.
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This changes some tests to use "require gdb_skip_xml_test".
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This commit is the result of running the gdb/copyright.py script,
which automated the update of the copyright year range for all
source files managed by the GDB project to be updated to include
year 2023.
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This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
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This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
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This commit adds a new maintenance command that dumps the current
target description as an XML document. This is a maintenance command
as I currently only see this being useful for GDB developers, or for
people debugging a new remote target.
By default the command will print whatever the current target
description is, whether this was delivered by the remote, loaded by
the user from a file, or if it is a built in target within GDB.
The command can also take an optional filename argument. In this case
GDB loads a target description from the file, and then reprints it.
This could be useful for testing GDB's parsing of target descriptions,
or to check that GDB can successfully parse a particular XML
description.
It is worth noting that the XML description printed will not be an
exact copy of the document fed into GDB. For example this minimal
input file:
<target>
<feature name="abc">
<reg name="r1" bitsize="32"/>
</feature>
</target>
Will produce this output:
(gdb) maint print xml-tdesc path/to/file.xml
<?xml version="1.0"?>
<!DOCTYPE target SYSTEM "gdb-target.dtd">
<target>
<feature name="abc">
<reg name="r1" bitsize="32" type="int" regnum="0"/>
</feature>
</target>
Notice that GDB filled in both the 'type' and 'regnum' fields of the
<reg>. I think this is actually a positive as it means we get to
really understand how GDB processed the document, if GDB made some
assumptions that differ to those the user expected then hopefully this
will bring those issues to the users attention.
To implement this I have tweaked the output produced by the
print_xml_feature which is defined within the gdbsupport/ directory.
The changes I have made to this class are:
1. The <architecture>...</architecture> tags are now not produced if
the architecture name is NULL.
2. The <osabi>...</osabi> tags get a newline at the end.
3. And, the whole XML document is indented using white space in a
nested fashion (as in the example output above).
I think that these changes should be fine, the print_xml_feature class
is used:
1. In gdbserver to generate an XML document to send as the target
description to GDB.
2. In GDB as part of a self-check function, a target_desc is
converted to XML then parsed back into a target_desc. We then check
the before and after target_desc objects are the same.
3. In the new 'maint print xml-tdesc' command.
In all of these use cases adding the extra white space should be fine.
gdbsupport/ChangeLog:
* tdesc.cc (print_xml_feature::visit_pre): Use add_line to add
output content, and call indent as needed in all overloaded
variants.
(print_xml_feature::visit_post): Likewise.
(print_xml_feature::visit): Likewise.
(print_xml_feature::add_line): Two new overloaded functions.
* tdesc.h (print_xml_feature::indent): New member function.
(print_xml_feature::add_line): Two new overloaded member
functions.
(print_xml_feature::m_depth): New member variable.
gdb/ChangeLog:
* target-descriptions.c (tdesc_architecture_name): Protect against
NULL pointer dereference.
(maint_print_xml_tdesc_cmd): New function.
(_initialize_target_descriptions): Register new 'maint print
xml-tdesc' command and give it the filename completer.
* NEWS: Mention new 'maint print xml-tdesc' command.
gdb/testsuite/ChangeLog:
* gdb.xml/tdesc-reload.c: New file.
* gdb.xml/tdesc-reload.exp: New file.
* gdb.xml/maint-xml-dump-01.xml: New file.
* gdb.xml/maint-xml-dump-02.xml: New file.
* gdb.xml/maint-xml-dump.exp: New file.
gdb/doc/ChangeLog:
* gdb.texinfo (Maintenance Commands): Document new 'maint print
xml-desc' command.
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