Merge pull request #1459 from lubinszARM:pr_save_util

PiperOrigin-RevId: 290273702
This commit is contained in:
gVisor bot
2020-01-17 09:08:47 -08:00
+13 -1
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@@ -18,13 +18,25 @@
#include "test/util/save_util.h"
#if defined(__x86_64__) || defined(__i386__)
#define SYS_TRIGGER_SAVE SYS_create_module
#elif defined(__aarch64__)
#define SYS_TRIGGER_SAVE SYS_finit_module
#else
#error "Unknown architecture"
#endif
namespace gvisor {
namespace testing {
void MaybeSave() {
if (internal::ShouldSave()) {
int orig_errno = errno;
syscall(SYS_create_module, nullptr, 0);
// We use it to trigger saving the sentry state
// when this syscall is called.
// Notice: this needs to be a valid syscall
// that is not used in any of the syscall tests.
syscall(SYS_TRIGGER_SAVE, nullptr, 0);
errno = orig_errno;
}
}