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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-08-11 07:41:51 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-08-11 07:42:02 -0700 |
| commit | 76db0a2e171d2c6780e0388840e3a10ffe7e9ee2 (patch) | |
| tree | 189b45638210ddc041cd41d239c317fee36b6e32 /gas/write.c | |
| parent | de7985c3cca1358b21b49a9872455e2032f48ee3 (diff) | |
| download | gdb-76db0a2e171d2c6780e0388840e3a10ffe7e9ee2.zip gdb-76db0a2e171d2c6780e0388840e3a10ffe7e9ee2.tar.gz gdb-76db0a2e171d2c6780e0388840e3a10ffe7e9ee2.tar.bz2 | |
Also disallow global alias of common symbol
We can't create alias of common symbol. Local alias of common symbol has
been disallowed. But global alias of common symbol is disallowed when the
common symbol is seen first and silently dropped otherwise. This patch
disallows alias of common symbol in all cases.
gas/
PR gas/21667
* read.c (pseudo_set): Update error message for alias of common
symbol.
* write.c (write_object_file): Disallow both local and global
aliases of common symbol.
* testsuite/gas/elf/common5a.d: New file.
* testsuite/gas/elf/common5a.l: Likewise.
* testsuite/gas/elf/common5a.s: Likewise.
* testsuite/gas/elf/common5b.d: Likewise.
* testsuite/gas/elf/common5b.l: Likewise.
* testsuite/gas/elf/common5b.s: Likewise.
* testsuite/gas/elf/common5c.d: Likewise.
* testsuite/gas/elf/common5c.s: Likewise.
* testsuite/gas/elf/common5d.d: Likewise.
* testsuite/gas/elf/common5d.s: Likewise.
* testsuite/gas/elf/elf.exp: Run common5a, common5b, common5c
and common5d.
Diffstat (limited to 'gas/write.c')
| -rw-r--r-- | gas/write.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gas/write.c b/gas/write.c index 8efdbc5..4f6547d 100644 --- a/gas/write.c +++ b/gas/write.c @@ -2107,12 +2107,11 @@ write_object_file (void) if (S_IS_COMMON (symp) && !TC_FAKE_LABEL (sname) - && !S_IS_WEAKREFR (symp) - && (!S_IS_EXTERNAL (symp) || S_IS_LOCAL (symp))) + && !S_IS_WEAKREFR (symp)) { expressionS *e = symbol_get_value_expression (symp); - as_bad (_("Local symbol `%s' can't be equated to common symbol `%s'"), + as_bad (_("`%s' can't be equated to common symbol `%s'"), sname, S_GET_NAME (e->X_add_symbol)); } if (S_GET_SEGMENT (symp) == reg_section) |