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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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While testing the NixOS[1] packaging for gdb-11.0.90.tar.xz, I got the
following error:
[...]
CXX aarch32-tdep.o
CXX gdb.o
GEN init.c
/nix/store/26a78ync552m8j4sbjavhvkmnqir8c9y-bash-4.4-p23/bin/bash: ./make-init-c: /usr/bin/env: bad interpreter: No such file or directory
make[2]: *** [Makefile:1866: stamp-init] Error 126
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory '/build/gdb-11.0.90/gdb'
make[1]: *** [Makefile:9814: all-gdb] Error 2
make[1]: Leaving directory '/build/gdb-11.0.90'
make: *** [Makefile:903: all] Error 2
builder for '/nix/store/xs8my3rrc3l4kdlbpx0azh6q0v0jxphr-gdb-gdb-11.0.90.drv' failed with exit code 2
error: build of '/nix/store/xs8my3rrc3l4kdlbpx0azh6q0v0jxphr-gdb-gdb-11.0.90.drv' failed
In the nix build environment, /usr/bin/env is not present, only /bin/sh
is. This patch makes sure that gdb/make-init-c uses '/bin/sh' as
interpreter as this is the only one available on this platform.
I do not think this change will cause regressions on any other
configuration.
[1] https://nixos.org/
gdb/Changelog
* make-init-c: Use /bin/sh as shebang.
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An earlier patch in this series fixed a dependency problem between two
_initialize functions. That problem was uncovered by reversing the
order of the initialize function calls.
In short, symtab.c tried to add the alias "maintenance
flush-symbol-cache" for the command "maintenance flush symbol-cache".
Because the "maintenance flush" prefix command was not yet created (it
happens in maint.c, initialized later in this reversed order), the
add_alias_cmd function returned NULL. That result was passed to
deprecate_cmd, which didn't expected that value, and that caused a
segfault. This was fixed by changing alias creation functions to take
the target command as a cmd_list_element, instead of by name.
This patch adds a runtime option to reverse the order of the initialize
calls at will. I chose to use an environment variable for this, over a
parameter (even a "maintenance" one), because:
- The init functions are called before the early init commands are
executed, so we could use -iex to turn this mode on early enough.
This is obvious when you remember that commands / parameters are
created by initialize funcitions :).
- This is not something anybody would want to tweak after startup
anyway.
gdb/ChangeLog:
* make-init-c: Add option to reverse function calls.
gdb/testsuite/ChangeLog:
* gdb.base/reverse-init-functions.exp: New.
Change-Id: I543e609cf526e7cb145a006a794d0e6851b63f45
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I would like to modify how the init.c file is generated (its content).
But as it is, a shell script with multiple sed invocations in a Makefile
target, it's not very maintainable. Replace that with a shell script
that does the same, but in a more readable way.
The Makefile rule uses the "-" prefix in front of the for loop, I
presume to ignore any error coming from the fact that xml-builtin.c and
cp-name-parser.c are not found in the srcdir (they are generated source
files). I prefer not to blindly ignore errors, so filter these files
out of INIT_FILES instead (we already filter out other files).
There are no expected meaningful changes to the generated init.c file.
Just the _initialize_all_file declaration that is moved down and "void"
in parenthesis that is removed.
The new regular expression is a bit tighter than the existing one, it
requires the init function to be followed by exactly ` ()`. Update
bpf-tdep.c accordingly.
gdb/ChangeLog:
* Makefile.in (INIT_FILES_FILTER_OUT): New.
(INIT_FILES): Use INIT_FILES_FILTER_OUT.
(stamp-init): Use make-init-c.
* bpf-tdep.c (_initialize_bpf_tdep): Remove "void".
* silent-rules.mk (ECHO_INIT_C): Change.
* make-init-c: New file.
Change-Id: I6d6b12cbccf24ab79d1219bff05df01624c684f9
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