diff options
| author | Kamil Rytarowski <n54@gmx.com> | 2017-08-10 18:51:51 +0000 |
|---|---|---|
| committer | Kamil Rytarowski <n54@gmx.com> | 2017-08-10 18:51:51 +0000 |
| commit | 15c612158931f4ccad2d84f405356708c5ff4d5a (patch) | |
| tree | 585e41d1ed802da0caa024bfc16da7941860d2c9 | |
| parent | 259aa6a72652545279711d06f5d86057e2303575 (diff) | |
Add NetBSD support in asan_linux.cc
Summary:
Part of the code inspired by the original work on libsanitizer in GCC 5.4 by Christos Zoulas.
Sponsored by <The NetBSD Foundation>
Reviewers: fjricci, vitalybuka, joerg, kcc, filcab
Reviewed By: vitalybuka
Subscribers: llvm-commits, kubamracek, #sanitizers
Tags: #sanitizers
Differential Revision: https://reviews.llvm.org/D36488
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@310647 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/asan/asan_linux.cc | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/asan/asan_linux.cc b/lib/asan/asan_linux.cc index 6d47ba432..9ebfea254 100644 --- a/lib/asan/asan_linux.cc +++ b/lib/asan/asan_linux.cc @@ -13,7 +13,7 @@ //===----------------------------------------------------------------------===// #include "sanitizer_common/sanitizer_platform.h" -#if SANITIZER_FREEBSD || SANITIZER_LINUX +#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD #include "asan_interceptors.h" #include "asan_internal.h" @@ -42,6 +42,10 @@ #if SANITIZER_ANDROID || SANITIZER_FREEBSD #include <ucontext.h> extern "C" void* _DYNAMIC; +#elif SANITIZER_NETBSD +#include <link_elf.h> +#include <ucontext.h> +extern Elf_Dyn _DYNAMIC; #else #include <sys/ucontext.h> #include <link.h> @@ -101,6 +105,15 @@ static int FindFirstDSOCallback(struct dl_phdr_info *info, size_t size, if (internal_strncmp(info->dlpi_name, "linux-", sizeof("linux-") - 1) == 0) return 0; +#if SANITIZER_NETBSD + // Ignore first entry (the main program) + char **p = (char **)data; + if (!(*p)) { + *p = (char *)-1; + return 0; + } +#endif + *(const char **)data = info->dlpi_name; return 1; } @@ -179,4 +192,4 @@ void *AsanDlSymNext(const char *sym) { } // namespace __asan -#endif // SANITIZER_FREEBSD || SANITIZER_LINUX +#endif // SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD |