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[Bug ld/14962] Change of behaviour (symbols in linker file) in 2.22.90.2
From: |
cvs-commit at gcc dot gnu.org |
Subject: |
[Bug ld/14962] Change of behaviour (symbols in linker file) in 2.22.90.20120924 |
Date: |
Mon, 20 Jan 2014 11:13:31 +0000 |
http://sourceware.org/bugzilla/show_bug.cgi?id=14962
--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot
gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
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the project "gdb and binutils".
The branch, master has been updated
via fa72205cb90527fd34753203993859907a53ead2 (commit)
from 24ef1aa73ed312282bd1a755b3ac94681c9f1544 (commit)
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=fa72205cb90527fd34753203993859907a53ead2
commit fa72205cb90527fd34753203993859907a53ead2
Author: Alan Modra <address@hidden>
Date: Mon Jan 20 21:28:42 2014 +1030
Allow self-assignment for absolute symbols defined in a linker script
Modifies ld machinery tracking linker script assignments to notice all
assignments, not just those symbols mentioned in DEFINED().
ld/
PR ld/14962
* ldlang.h (struct lang_definedness_hash_entry): Add by_object and
by_script. Make iteration a single bit field.
(lang_track_definedness, lang_symbol_definition_iteration): Delete.
(lang_symbol_defined): Declare.
* ldlang.c (lang_statement_iteration): Expand comment a little.
(lang_init <lang_definedness_table>): Make it bigger.
(lang_track_definedness, lang_symbol_definition): Delete.
(lang_definedness_newfunc): Update.
(lang_symbol_defined): New function.
(lang_update_definedness): Create entries here. Do track whether
script definition of symbol is valid, even when also defined in
an object file.
* ldexp.c (fold_name <DEFINED>): Update.
(fold_name <NAME>): Allow self-assignment for absolute symbols
defined in a linker script.
ld/testsuite/
* ld-scripts/pr14962-2.d,
* ld-scripts/pr14962-2.t: New test.
* ld-scripts/expr.exp: Run it.
-----------------------------------------------------------------------
Summary of changes:
ld/ChangeLog | 18 ++++++++
ld/ldexp.c | 31 +++++++++++----
ld/ldlang.c | 74 ++++++++++++-----------------------
ld/ldlang.h | 7 ++-
ld/testsuite/ChangeLog | 6 +++
ld/testsuite/ld-scripts/expr.exp | 1 +
ld/testsuite/ld-scripts/pr14962-2.d | 10 +++++
ld/testsuite/ld-scripts/pr14962-2.t | 11 +++++
8 files changed, 98 insertions(+), 60 deletions(-)
create mode 100644 ld/testsuite/ld-scripts/pr14962-2.d
create mode 100644 ld/testsuite/ld-scripts/pr14962-2.t
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