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authorH.J. Lu <hjl.tools@gmail.com>2016-02-01 15:49:52 -0800
committerH.J. Lu <hjl.tools@gmail.com>2016-02-01 15:49:52 -0800
commitaef28989904e92e391fee905e51abc6bb2fd4de0 (patch)
tree990f90c03f730e0fcd622f28d69ee6b489f64a06 /ld
parent713cdcbf65e53e17e3d63799938675bf4a5b38ec (diff)
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Don't add DT_NEEDED for unmatched symbol
Don't add DT_NEEDED if a symbol from a library loaded via DT_NEEDED doesn't match the symbol referenced by regular object. bfd/ PR ld/19553 * elflink.c (elf_link_add_object_symbols): Don't add DT_NEEDED if a symbol from a library loaded via DT_NEEDED doesn't match the symbol referenced by regular object. ld/testsuite/ PR ld/19553 * testsuite/ld-elf/indirect.exp: Run tests for PR ld/19553. * testsuite/ld-elf/pr19553.map: New file. * testsuite/ld-elf/pr19553.map: Likewise. * testsuite/ld-elf/pr19553a.c: Likewise. * testsuite/ld-elf/pr19553b.c: Likewise. * testsuite/ld-elf/pr19553b.out: Likewise. * testsuite/ld-elf/pr19553c.c: Likewise. * testsuite/ld-elf/pr19553c.out: Likewise. * testsuite/ld-elf/pr19553d.c: Likewise. * testsuite/ld-elf/pr19553d.out: Likewise.
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog14
-rw-r--r--ld/testsuite/ld-elf/indirect.exp24
-rw-r--r--ld/testsuite/ld-elf/pr19553.map5
-rw-r--r--ld/testsuite/ld-elf/pr19553a.c8
-rw-r--r--ld/testsuite/ld-elf/pr19553b.c8
-rw-r--r--ld/testsuite/ld-elf/pr19553b.out1
-rw-r--r--ld/testsuite/ld-elf/pr19553c.c9
-rw-r--r--ld/testsuite/ld-elf/pr19553c.out1
-rw-r--r--ld/testsuite/ld-elf/pr19553d.c8
-rw-r--r--ld/testsuite/ld-elf/pr19553d.out1
10 files changed, 78 insertions, 1 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 34b4feb..47af0bd 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,17 @@
+2016-02-01 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/19553
+ * testsuite/ld-elf/indirect.exp: Run tests for PR ld/19553.
+ * testsuite/ld-elf/pr19553.map: New file.
+ * testsuite/ld-elf/pr19553.map: Likewise.
+ * testsuite/ld-elf/pr19553a.c: Likewise.
+ * testsuite/ld-elf/pr19553b.c: Likewise.
+ * testsuite/ld-elf/pr19553b.out: Likewise.
+ * testsuite/ld-elf/pr19553c.c: Likewise.
+ * testsuite/ld-elf/pr19553c.out: Likewise.
+ * testsuite/ld-elf/pr19553d.c: Likewise.
+ * testsuite/ld-elf/pr19553d.out: Likewise.
+
2016-01-30 H.J. Lu <hongjiu.lu@intel.com>
PR ld/19539
diff --git a/ld/testsuite/ld-elf/indirect.exp b/ld/testsuite/ld-elf/indirect.exp
index 86324ec..1a01279 100644
--- a/ld/testsuite/ld-elf/indirect.exp
+++ b/ld/testsuite/ld-elf/indirect.exp
@@ -66,7 +66,11 @@ if { ![ld_compile $CC $srcdir/$subdir/indirect1a.c tmpdir/indirect1a.o]
|| ![ld_compile $CC $srcdir/$subdir/indirect4a.c tmpdir/indirect4a.o]
|| ![ld_compile $CC $srcdir/$subdir/indirect4b.c tmpdir/indirect4b.o]
|| ![ld_compile "$CC -O2 -fPIC -I../bfd" $srcdir/$subdir/pr18720a.c tmpdir/pr18720a.o]
- || ![ld_compile $CC $srcdir/$subdir/pr18720b.c tmpdir/pr18720b.o] } {
+ || ![ld_compile $CC $srcdir/$subdir/pr18720b.c tmpdir/pr18720b.o]
+ || ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553d.c tmpdir/pr19553d.o]
+ || ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553c.c tmpdir/pr19553c.o]
+ || ![ld_compile "$CC -fPIC" $srcdir/$subdir/pr19553b.c tmpdir/pr19553b.o]
+ || ![ld_compile $CC $srcdir/$subdir/pr19553a.c tmpdir/pr19553a.o] } {
unresolved "Indirect symbol tests"
return
}
@@ -87,6 +91,15 @@ set build_tests {
{"Build pr18720b1.o"
"-r -nostdlib tmpdir/pr18720b.o" ""
{dummy.c} {} "pr18720b1.o"}
+ {"Build libpr19553b.so"
+ "-shared -Wl,--version-script=pr19553.map" "-fPIC"
+ {pr19553b.c} {} "libpr19553b.so"}
+ {"Build libpr19553c.so"
+ "-shared -Wl,--version-script=pr19553.map" "-fPIC"
+ {pr19553c.c} {} "libpr19553c.so"}
+ {"Build libpr19553d.so"
+ "-shared tmpdir/libpr19553c.so" "-fPIC"
+ {pr19553d.c} {} "libpr19553d.so"}
}
run_cc_link_tests $build_tests
@@ -155,6 +168,15 @@ set run_tests {
{"Run with libpr18720c.so 5"
"tmpdir/libpr18720c.so tmpdir/pr18720b1.o tmpdir/pr18720a.o" ""
{check-ptr-eq.c} "pr18720d" "pr18720.out"}
+ {"Run with libpr19553b.so"
+ "tmpdir/libpr19553b.so tmpdir/libpr19553d.so -rpath-link ." ""
+ {pr19553a.c} "pr19553b" "pr19553b.out"}
+ {"Run with libpr19553c.so"
+ "tmpdir/libpr19553c.so tmpdir/libpr19553b.so tmpdir/libpr19553d.so" ""
+ {pr19553a.c} "pr19553c" "pr19553c.out"}
+ {"Run with libpr19553d.so"
+ "tmpdir/libpr19553d.so tmpdir/libpr19553b.so -rpath-link ." ""
+ {pr19553a.c} "pr19553d" "pr19553d.out"}
}
run_ld_link_exec_tests [] $run_tests
diff --git a/ld/testsuite/ld-elf/pr19553.map b/ld/testsuite/ld-elf/pr19553.map
new file mode 100644
index 0000000..f2c03ac
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553.map
@@ -0,0 +1,5 @@
+FOO
+{
+global:
+ foo;
+};
diff --git a/ld/testsuite/ld-elf/pr19553a.c b/ld/testsuite/ld-elf/pr19553a.c
new file mode 100644
index 0000000..f1cb6b4
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553a.c
@@ -0,0 +1,8 @@
+extern void foo (void);
+
+int
+main (void)
+{
+ foo ();
+ return 0;
+}
diff --git a/ld/testsuite/ld-elf/pr19553b.c b/ld/testsuite/ld-elf/pr19553b.c
new file mode 100644
index 0000000..0c438a2
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553b.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+__attribute__ ((weak))
+void
+foo (void)
+{
+ printf ("pr19553b\n");
+}
diff --git a/ld/testsuite/ld-elf/pr19553b.out b/ld/testsuite/ld-elf/pr19553b.out
new file mode 100644
index 0000000..a5575d9
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553b.out
@@ -0,0 +1 @@
+pr19553b
diff --git a/ld/testsuite/ld-elf/pr19553c.c b/ld/testsuite/ld-elf/pr19553c.c
new file mode 100644
index 0000000..d80dfc9
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553c.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+void
+foo (void)
+{
+ printf ("pr19553c\n");
+}
+
+asm (".symver foo,foo@FOO");
diff --git a/ld/testsuite/ld-elf/pr19553c.out b/ld/testsuite/ld-elf/pr19553c.out
new file mode 100644
index 0000000..9d23215
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553c.out
@@ -0,0 +1 @@
+pr19553c
diff --git a/ld/testsuite/ld-elf/pr19553d.c b/ld/testsuite/ld-elf/pr19553d.c
new file mode 100644
index 0000000..d48f8f3
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553d.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+__attribute__ ((weak))
+void
+foo (void)
+{
+ printf ("pr19553d\n");
+}
diff --git a/ld/testsuite/ld-elf/pr19553d.out b/ld/testsuite/ld-elf/pr19553d.out
new file mode 100644
index 0000000..2b4cf0b
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr19553d.out
@@ -0,0 +1 @@
+pr19553d