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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-01-31 05:10:40 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-01-31 05:10:53 -0800 |
| commit | 823143c6ca8ef4267e67ba03771991e08d09fabd (patch) | |
| tree | db64563589a5f1577c0dfeaab5ffdef9a7a0ee83 /ld | |
| parent | bea298f9547372e6cb7854fabc2c0646e1d3d9be (diff) | |
| download | gdb-823143c6ca8ef4267e67ba03771991e08d09fabd.zip gdb-823143c6ca8ef4267e67ba03771991e08d09fabd.tar.gz gdb-823143c6ca8ef4267e67ba03771991e08d09fabd.tar.bz2 | |
Check if __start/__stop symbols are referenced by shared objects
Define __start/__stop symbols if they are referenced by shared objects,
not if they are also defined in shared objects.
bfd/
PR ld/21964
* elflink.c (bfd_elf_define_start_stop): Check if __start and
__stop symbols are referenced by shared objects.
ld/
PR ld/21964
* testsuite/ld-elf/pr21964-4.c: New file.
* testsuite/ld-elf/shared.exp: Run pr21964-4 test on Linux.
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/testsuite/ld-elf/pr21964-4.c | 22 | ||||
| -rw-r--r-- | ld/testsuite/ld-elf/shared.exp | 12 |
3 files changed, 40 insertions, 0 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index f29d51a..67e29b9 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,9 @@ +2018-01-31 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/21964 + * testsuite/ld-elf/pr21964-4.c: New file. + * testsuite/ld-elf/shared.exp: Run pr21964-4 test on Linux. + 2018-01-30 Alan Modra <amodra@gmail.com> * testsuite/ld-gc/stop.d, diff --git a/ld/testsuite/ld-elf/pr21964-4.c b/ld/testsuite/ld-elf/pr21964-4.c new file mode 100644 index 0000000..d50c148 --- /dev/null +++ b/ld/testsuite/ld-elf/pr21964-4.c @@ -0,0 +1,22 @@ +#define _GNU_SOURCE +#include <dlfcn.h> +#include <stdio.h> + +extern int __start___verbose[]; +int bar (void) +{ + static int my_var __attribute__ ((section("__verbose"), used)) = 6; + int *ptr; + ptr = (int*) dlsym (RTLD_DEFAULT, "__start___verbose"); + if (ptr != NULL || __start___verbose[0] != 6) + return -1; + return 0; +} + +int +main () +{ + if (bar () == 0) + printf ("PASS\n"); + return 0; +} diff --git a/ld/testsuite/ld-elf/shared.exp b/ld/testsuite/ld-elf/shared.exp index 8223d3d..833a428 100644 --- a/ld/testsuite/ld-elf/shared.exp +++ b/ld/testsuite/ld-elf/shared.exp @@ -1099,6 +1099,18 @@ if { [istarget *-*-linux*] "pr22393-2-static" \ "pass.out" \ ] \ + [list \ + "Run pr21964-4" \ + "" \ + "" \ + {pr21964-4.c} \ + "pr21964-4" \ + "pass.out" \ + "" \ + "" \ + "" \ + "-ldl" \ + ] \ ] } |