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Reuse interception_linux for NetBSD 

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: joerg, kcc, vitalybuka, filcab

Reviewed By: vitalybuka

Subscribers: llvm-commits, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D36321

llvm-svn: 310351
This commit is contained in:
Kamil Rytarowski 2017-08-08 12:10:08 +00:00
parent 71dfb3eb07
commit 70a3511bd5
2 changed files with 12 additions and 5 deletions
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13
compiler-rt/lib/interception/interception_linux.cc
View File

@ -12,14 +12,22 @@
// Linux-specific interception methods.
//===----------------------------------------------------------------------===//
#if defined(__linux__) || defined(__FreeBSD__)
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
#include "interception.h"
#include <dlfcn.h> // for dlsym() and dlvsym()
#ifdef __NetBSD__
#include "sanitizer_common/sanitizer_libc.h"
#endif
namespace __interception {
bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
uptr real, uptr wrapper) {
#ifdef __NetBSD__
// XXX: Find a better way to handle renames
if (internal_strcmp(func_name, "sigaction") == 0) func_name = "__sigaction14";
#endif
*func_addr = (uptr)dlsym(RTLD_NEXT, func_name);
return real == wrapper;
}
@ -32,5 +40,4 @@ void *GetFuncAddrVer(const char *func_name, const char *ver) {
} // namespace __interception
#endif // __linux__ || __FreeBSD__
#endif // __linux__ || __FreeBSD__ || __NetBSD__

4
compiler-rt/lib/interception/interception_linux.h
View File

@ -12,7 +12,7 @@
// Linux-specific interception methods.
//===----------------------------------------------------------------------===//
#if defined(__linux__) || defined(__FreeBSD__)
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
#if !defined(INCLUDED_FROM_INTERCEPTION_LIB)
# error "interception_linux.h should be included from interception library only"
@ -44,4 +44,4 @@ void *GetFuncAddrVer(const char *func_name, const char *ver);
#endif // !defined(__ANDROID__)
#endif // INTERCEPTION_LINUX_H
#endif // __linux__ || __FreeBSD__
#endif // __linux__ || __FreeBSD__ || __NetBSD__