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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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gdb/ChangeLog:
Update copyright year range in all GDB files.
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This commit applies all changes made after running the gdb/copyright.py
script.
Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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With old compilers, the test fails because no debug info is generated
for 'B' and GDB finds some 'b' in atnat.h:
(gdb) print b
Multiple matches for b
[0] cancel
[1] b at ../sysdeps/ieee754/dbl-64/atnat.h:106
[2] b at ../sysdeps/ieee754/dbl-64/atnat.h:106
[3] b at ../sysdeps/ieee754/dbl-64/atnat.h:106
> FAIL: gdb.ada/rename_subscript_param.exp: print b before changing its value (timeout)
Avoid the timeout by renaming 'b' to rename_subscript_param_b.
Also, change 'before' to 'after' in the gdb_test message that prints
the value after changing it.
The test still fails with old compilers that do not properly
generate debug info for this renaming:
(gdb) print rename_subscript_param_b
No definition of "rename_subscript_param_b" in current context.
(gdb) FAIL: gdb.ada/rename_subscript_param.exp: print rename_subscript_param_b before changing its value
Note: if the compiler would generate the correct debug info, the test should
succeed with the name B. However, waiting for this fix, changing the name
ensures that the test fails directly, instead of causing a timeout.
2018-12-26 Philippe Waroquiers <philippe.waroquiers@skynet.be>
PR ada/23381
* gdb.ada/rename_subscript_param/pkg.adb (B): Rename to
Rename_Subscript_Param_B. All users updated.
gdb.ada/rename_subscript_param.exp: Test names made unique.
Note that PR ada/23381 is only fully fixed when using a recent
compiler.
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Consider the following code, which creates a local variable B
which is a renaming whose expression references a subprogram
parameter:
procedure Flip (Bits : in out Bits_Type; I : Natural) is
begin
declare
B : Boolean renames Bits (I);
begin
B := not B; -- BREAK
end;
end Flip;
Trying to print the value of B when at the "BREAK" line currently
does not work:
(gdb) p b
Could not find i
What happens is the following: For the renaming, GNAT generates
a variable whose name is encoded as follow:
b___XR_bits___XEXSi
GDB properly detects that variable, determines that, to compute
the variable's value, we start from the symbol "Bits", which
we then have to subscript (XS) using 'i' as the index. The error
occurs while trying to find 'i'.
This is because we forgot to pass the block in the call to
ada_lookup_encoded_symbol, which this patch fixes.
gdb/ChangeLog:
* ada-exp.y (write_object_renaming): When subscripting an array
using a symbol as the index, pass the block in call to
ada_lookup_encoded_symbol when looking that symbol up.
gdb/testsuite/ChangeLog:
* gdb.ada/rename_subscript_param: New testcase.
Tested on x86_64-linux.
Note: This requires the following GCC patch:
| 2017-04-25 Pierre-Marie de Rodat <derodat@adacore.com>
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| * exp_dbug.adb: In Debug_Renaming_Declaration,
| when dealing with indexed component, accept to produce a renaming
| symbol when the index is an IN parameter or when it is a name
| defined in an outer scope.
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