73 lines
2.4 KiB
Diff
73 lines
2.4 KiB
Diff
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Upstream-Status:Backport
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Hi,
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As suggested by richi.
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regtested on i686-linux-gnu with all default languages and no regressions.
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Ok for trunk?
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gcc/ChangeLog
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2010-03-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
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PR target/32219
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* varasm.c (default_binds_local_p_1): Weak data is not local.
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gcc/testsuite/ChangeLog
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2010-03-15 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
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PR target/32219
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* gcc.dg/visibility-21.c: New test.
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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---
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gcc/testsuite/gcc.dg/visibility-21.c | 14 ++++++++++++++
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gcc/varasm.c | 8 ++++----
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2 files changed, 18 insertions(+), 4 deletions(-)
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create mode 100644 gcc/testsuite/gcc.dg/visibility-21.c
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Index: gcc-4_6-branch/gcc/testsuite/gcc.dg/visibility-21.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ gcc-4_6-branch/gcc/testsuite/gcc.dg/visibility-21.c 2011-10-18 17:11:33.224827436 -0700
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@@ -0,0 +1,14 @@
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+/* PR target/32219 */
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+/* { dg-do run } */
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+/* { dg-require-visibility "" } */
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+/* { dg-options "-fPIC" { target fpic } } */
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+
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+extern void f() __attribute__((weak,visibility("hidden")));
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+extern int puts( char const* );
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+int main()
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+{
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+ if (f)
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+ f();
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+ return 0;
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+}
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+
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Index: gcc-4_6-branch/gcc/varasm.c
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===================================================================
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--- gcc-4_6-branch.orig/gcc/varasm.c 2011-09-16 19:58:21.000000000 -0700
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+++ gcc-4_6-branch/gcc/varasm.c 2011-10-18 17:19:06.431074788 -0700
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@@ -6760,6 +6760,10 @@
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/* Static variables are always local. */
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else if (! TREE_PUBLIC (exp))
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local_p = true;
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+ /* hidden weak can't be overridden by something non-local, all
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+ that is possible is that it is not defined at all. */
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+ else if (DECL_WEAK (exp))
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+ local_p = false;
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/* A variable is local if the user has said explicitly that it will
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be. */
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else if ((DECL_VISIBILITY_SPECIFIED (exp)
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@@ -6773,11 +6777,6 @@
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local. */
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else if (DECL_VISIBILITY (exp) != VISIBILITY_DEFAULT)
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local_p = true;
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- /* Default visibility weak data can be overridden by a strong symbol
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- in another module and so are not local. */
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- else if (DECL_WEAK (exp)
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- && !resolved_locally)
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- local_p = false;
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/* If PIC, then assume that any global name can be overridden by
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symbols resolved from other modules. */
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else if (shlib)
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