vendor/compiler-rt/compiler-rt-r197381

1 files changed, 26 insertions, 1 deletions

diff --git a/lib/sanitizer_common/sanitizer_linux.h b/lib/sanitizer_common/sanitizer_linux.h
index ba68e6c2dd5a..a32e9bf08bad 100644
--- a/lib/sanitizer_common/sanitizer_linux.h
+++ b/lib/sanitizer_common/sanitizer_linux.h
@@ -13,9 +13,13 @@
 #ifndef SANITIZER_LINUX_H
 #define SANITIZER_LINUX_H
 
+#include "sanitizer_platform.h"
+#if SANITIZER_LINUX
 #include "sanitizer_common.h"
 #include "sanitizer_internal_defs.h"
+#include "sanitizer_platform_limits_posix.h"
 
+struct link_map;  // Opaque type returned by dlopen().
 struct sigaltstack;
 
 namespace __sanitizer {
@@ -28,6 +32,17 @@ uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);
 uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5);
 uptr internal_sigaltstack(const struct sigaltstack* ss,
                           struct sigaltstack* oss);
+uptr internal_sigaction(int signum, const __sanitizer_kernel_sigaction_t *act,
+    __sanitizer_kernel_sigaction_t *oldact);
+uptr internal_sigprocmask(int how, __sanitizer_kernel_sigset_t *set,
+    __sanitizer_kernel_sigset_t *oldset);
+void internal_sigfillset(__sanitizer_kernel_sigset_t *set);
+void internal_sigdelset(__sanitizer_kernel_sigset_t *set, int signum);
+
+#ifdef __x86_64__
+uptr internal_clone(int (*fn)(void *), void *child_stack, int flags, void *arg,
+                    int *parent_tidptr, void *newtls, int *child_tidptr);
+#endif
 
 // This class reads thread IDs from /proc/<pid>/task using only syscalls.
 class ThreadLister {
@@ -51,15 +66,25 @@ class ThreadLister {
   int bytes_read_;
 };
 
-void AdjustStackSizeLinux(void *attr, int verbosity);
+void AdjustStackSizeLinux(void *attr);
 
 // Exposed for testing.
 uptr ThreadDescriptorSize();
+uptr ThreadSelf();
+uptr ThreadSelfOffset();
 
 // Matches a library's file name against a base name (stripping path and version
 // information).
 bool LibraryNameIs(const char *full_name, const char *base_name);
 
+// Read the name of the current binary from /proc/self/exe.
+uptr ReadBinaryName(/*out*/char *buf, uptr buf_len);
+// Cache the value of /proc/self/exe.
+void CacheBinaryName();
+
+// Call cb for each region mapped by map.
+void ForEachMappedRegion(link_map *map, void (*cb)(const void *, uptr));
 }  // namespace __sanitizer
 
+#endif  // SANITIZER_LINUX
 #endif  // SANITIZER_LINUX_H