Merging r333213:
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r333213 | ctopper | 2018-05-24 10:59:47 -0700 (Thu, 24 May 2018) | 16 lines
sanitizer: Use pre-computed size of struct ustat for Linux
<sys/ustat.h> has been removed from glibc 2.28 by:
commit cf2478d53ad7071e84c724a986b56fe17f4f4ca7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Sun Mar 18 11:28:59 2018 +0800
Deprecate ustat syscall interface
This patch uses pre-computed size of struct ustat for Linux to fix
https://bugs.llvm.org/show_bug.cgi?id=37418
Patch by H.J. Lu.
Differential Revision: https://reviews.llvm.org/D47281
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llvm-svn: 334776
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
index f12e820..feb7bad 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -159,7 +159,6 @@
# include <sys/procfs.h>
#endif
#include <sys/user.h>
-#include <sys/ustat.h>
#include <linux/cyclades.h>
#include <linux/if_eql.h>
#include <linux/if_plip.h>
@@ -253,7 +252,19 @@
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
#if SANITIZER_LINUX && !SANITIZER_ANDROID
- unsigned struct_ustat_sz = sizeof(struct ustat);
+ // Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
+ // has been removed from glibc 2.28.
+#if defined(__aarch64__) || defined(__s390x__) || defined (__mips64) \
+ || defined(__powerpc64__) || defined(__arch64__) || defined(__sparcv9) \
+ || defined(__x86_64__)
+#define SIZEOF_STRUCT_USTAT 32
+#elif defined(__arm__) || defined(__i386__) || defined(__mips__) \
+ || defined(__powerpc__) || defined(__s390__)
+#define SIZEOF_STRUCT_USTAT 20
+#else
+#error Unknown size of struct ustat
+#endif
+ unsigned struct_ustat_sz = SIZEOF_STRUCT_USTAT;
unsigned struct_rlimit64_sz = sizeof(struct rlimit64);
unsigned struct_statvfs64_sz = sizeof(struct statvfs64);
#endif // SANITIZER_LINUX && !SANITIZER_ANDROID
