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Add NetBSD support in sanitizer_linux_libcdep.cc 

Summary:
When possible reuse FreeBSD and Linux code.

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: srhines, emaste, kubamracek, llvm-commits, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D36320

llvm-svn: 310143
This commit is contained in:
Kamil Rytarowski 2017-08-04 22:32:46 +00:00
parent 6e93d0546a
commit 886b30c4ff
1 changed files with 10 additions and 6 deletions
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16
compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cc
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@ -14,7 +14,7 @@
#include "sanitizer_platform.h"
#if SANITIZER_FREEBSD || SANITIZER_LINUX
#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD
#include "sanitizer_allocator_internal.h"
#include "sanitizer_atomic.h"
@ -149,7 +149,8 @@ bool SanitizerGetThreadName(char *name, int max_len) {
#endif
}
#if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO
#if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO && \
!SANITIZER_NETBSD
static uptr g_tls_size;
#ifdef __i386__
@ -177,7 +178,8 @@ void InitTlsSize() {
}
#else
void InitTlsSize() { }
#endif // !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO
#endif // !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO &&
// !SANITIZER_NETBSD
#if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) \
|| defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__) \
@ -332,7 +334,9 @@ static void **ThreadSelfSegbase() {
uptr ThreadSelf() {
return (uptr)ThreadSelfSegbase()[2];
}
#endif // SANITIZER_FREEBSD
#elif SANITIZER_NETBSD
uptr ThreadSelf() { return (uptr)pthread_self(); }
#endif // SANITIZER_NETBSD
#if !SANITIZER_GO
static void GetTls(uptr *addr, uptr *size) {
@ -363,7 +367,7 @@ static void GetTls(uptr *addr, uptr *size) {
*addr = (uptr) dtv[2];
*size = (*addr == 0) ? 0 : ((uptr) segbase[0] - (uptr) dtv[2]);
}
#elif SANITIZER_ANDROID
#elif SANITIZER_ANDROID || SANITIZER_NETBSD
*addr = 0;
*size = 0;
#else
@ -374,7 +378,7 @@ static void GetTls(uptr *addr, uptr *size) {
#if !SANITIZER_GO
uptr GetTlsSize() {
#if SANITIZER_FREEBSD || SANITIZER_ANDROID
#if SANITIZER_FREEBSD || SANITIZER_ANDROID || SANITIZER_NETBSD
uptr addr, size;
GetTls(&addr, &size);
return size;