diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c b/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c index 521ba1ae5c..7e5acc83cb 100644 --- a/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c +++ b/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c @@ -24,13 +24,26 @@ #define DL_FIND_ARG_COMPONENTS(cookie, argc, argv, envp, auxp) \ do { \ char **_tmp; \ + size_t _test; \ (argc) = *(long *) cookie; \ (argv) = (char **) cookie + 1; \ (envp) = (argv) + (argc) + 1; \ for (_tmp = (envp); *_tmp; ++_tmp) \ continue; \ - (auxp) = (void *) ++_tmp; \ - (auxp) = (void *)(((size_t)(auxp) + 0xF) & 0xFFFFFFF0); \ + /* The following '++' is important! */ \ + ++_tmp; \ + \ + _test = (size_t)_tmp; \ + _test = _test + 0xf & ~0xf; \ + /* Under some circumstances, MkLinux (up to at least DR3a5) \ + omits the padding. To work around this, we make a \ + basic sanity check of the argument vector. Of \ + course, this means that in future, the argument \ + vector will have to be laid out to allow for this \ + test :-(. */ \ + if (((ElfW(auxv_t) *)_test)->a_type <= 0x10) \ + _tmp = (char **)_test; \ + (auxp) = (ElfW(auxv_t) *) _tmp; \ } while (0) |