forked from OSchip/llvm-project
[esan] Use do-while rather than braces for empty interceptors
Summary:
Replaces {} with a do..while sequence in esan's empty interceptors to allow
natural use with a trailing semicolon. The sequence uses each argument to
avoid warnings.
Reviewers: filcab
Subscribers: kubabrecka, llvm-commits, zhaoqin
Differential Revision: http://reviews.llvm.org/D19832
llvm-svn: 268426
This commit is contained in:
Derek Bruening
parent
66228c4cf1
commit
2a14132285
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@ -69,26 +69,99 @@ using namespace __esan; // NOLINT
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// a normal exit.
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#define COMMON_INTERCEPTOR_ON_EXIT(ctx) finalizeLibrary()
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#define COMMON_INTERCEPTOR_FILE_OPEN(ctx, file, path) {}
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#define COMMON_INTERCEPTOR_FILE_CLOSE(ctx, file) {}
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#define COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, handle) {}
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#define COMMON_INTERCEPTOR_LIBRARY_UNLOADED() {}
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#define COMMON_INTERCEPTOR_ACQUIRE(ctx, u) {}
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#define COMMON_INTERCEPTOR_RELEASE(ctx, u) {}
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#define COMMON_INTERCEPTOR_DIR_ACQUIRE(ctx, path) {}
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#define COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd) {}
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#define COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd) {}
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#define COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd) {}
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#define COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, newfd) {}
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#define COMMON_INTERCEPTOR_SET_THREAD_NAME(ctx, name) {}
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#define COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, name) {}
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#define COMMON_INTERCEPTOR_FILE_OPEN(ctx, file, path) \
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do { \
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(void)(ctx); \
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(void)(file); \
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(void)(path); \
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} while (false)
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#define COMMON_INTERCEPTOR_FILE_CLOSE(ctx, file) \
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do { \
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(void)(ctx); \
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(void)(file); \
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} while (false)
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#define COMMON_INTERCEPTOR_LIBRARY_LOADED(filename, handle) \
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do { \
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(void)(filename); \
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(void)(handle); \
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} while (false)
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#define COMMON_INTERCEPTOR_LIBRARY_UNLOADED() \
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do { \
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} while (false)
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#define COMMON_INTERCEPTOR_ACQUIRE(ctx, u) \
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do { \
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(void)(ctx); \
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(void)(u); \
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} while (false)
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#define COMMON_INTERCEPTOR_RELEASE(ctx, u) \
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do { \
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(void)(ctx); \
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(void)(u); \
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} while (false)
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#define COMMON_INTERCEPTOR_DIR_ACQUIRE(ctx, path) \
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do { \
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(void)(ctx); \
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(void)(path); \
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} while (false)
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#define COMMON_INTERCEPTOR_FD_ACQUIRE(ctx, fd) \
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do { \
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(void)(ctx); \
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(void)(fd); \
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} while (false)
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#define COMMON_INTERCEPTOR_FD_RELEASE(ctx, fd) \
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do { \
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(void)(ctx); \
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(void)(fd); \
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} while (false)
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#define COMMON_INTERCEPTOR_FD_ACCESS(ctx, fd) \
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do { \
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(void)(ctx); \
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(void)(fd); \
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} while (false)
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#define COMMON_INTERCEPTOR_FD_SOCKET_ACCEPT(ctx, fd, newfd) \
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do { \
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(void)(ctx); \
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(void)(fd); \
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(void)(newfd); \
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} while (false)
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#define COMMON_INTERCEPTOR_SET_THREAD_NAME(ctx, name) \
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do { \
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(void)(ctx); \
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(void)(name); \
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} while (false)
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#define COMMON_INTERCEPTOR_SET_PTHREAD_NAME(ctx, thread, name) \
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do { \
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(void)(ctx); \
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(void)(thread); \
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(void)(name); \
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} while (false)
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#define COMMON_INTERCEPTOR_BLOCK_REAL(name) REAL(name)
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#define COMMON_INTERCEPTOR_MUTEX_LOCK(ctx, m) {}
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#define COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m) {}
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#define COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m) {}
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#define COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg) {}
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#define COMMON_INTERCEPTOR_USER_CALLBACK_START() {}
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#define COMMON_INTERCEPTOR_USER_CALLBACK_END() {}
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#define COMMON_INTERCEPTOR_MUTEX_LOCK(ctx, m) \
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do { \
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(void)(ctx); \
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(void)(m); \
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} while (false)
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#define COMMON_INTERCEPTOR_MUTEX_UNLOCK(ctx, m) \
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do { \
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(void)(ctx); \
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(void)(m); \
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} while (false)
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#define COMMON_INTERCEPTOR_MUTEX_REPAIR(ctx, m) \
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do { \
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(void)(ctx); \
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(void)(m); \
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} while (false)
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#define COMMON_INTERCEPTOR_HANDLE_RECVMSG(ctx, msg) \
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do { \
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(void)(ctx); \
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(void)(msg); \
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} while (false)
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#define COMMON_INTERCEPTOR_USER_CALLBACK_START() \
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do { \
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} while (false)
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#define COMMON_INTERCEPTOR_USER_CALLBACK_END() \
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do { \
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} while (false)
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#include "sanitizer_common/sanitizer_common_interceptors.inc"
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@ -102,21 +175,49 @@ using namespace __esan; // NOLINT
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#define COMMON_SYSCALL_PRE_READ_RANGE(ptr, size) \
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processRangeAccess(GET_CALLER_PC(), (uptr)ptr, size, false)
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#define COMMON_SYSCALL_PRE_WRITE_RANGE(ptr, size) {}
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#define COMMON_SYSCALL_PRE_WRITE_RANGE(ptr, size) \
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do { \
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(void)(ptr); \
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(void)(size); \
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} while (false)
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#define COMMON_SYSCALL_POST_READ_RANGE(ptr, size) {}
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#define COMMON_SYSCALL_POST_READ_RANGE(ptr, size) \
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do { \
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(void)(ptr); \
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(void)(size); \
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} while (false)
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// The actual amount written is in post, not pre.
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#define COMMON_SYSCALL_POST_WRITE_RANGE(ptr, size) \
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processRangeAccess(GET_CALLER_PC(), (uptr)ptr, size, true)
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#define COMMON_SYSCALL_ACQUIRE(addr) {}
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#define COMMON_SYSCALL_RELEASE(addr) { (void)addr; }
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#define COMMON_SYSCALL_FD_CLOSE(fd) {}
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#define COMMON_SYSCALL_FD_ACQUIRE(fd) {}
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#define COMMON_SYSCALL_FD_RELEASE(fd) {}
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#define COMMON_SYSCALL_PRE_FORK() {}
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#define COMMON_SYSCALL_POST_FORK(res) {}
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#define COMMON_SYSCALL_ACQUIRE(addr) \
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do { \
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(void)(addr); \
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} while (false)
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#define COMMON_SYSCALL_RELEASE(addr) \
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do { \
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(void)(addr); \
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} while (false)
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#define COMMON_SYSCALL_FD_CLOSE(fd) \
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do { \
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(void)(fd); \
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} while (false)
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#define COMMON_SYSCALL_FD_ACQUIRE(fd) \
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do { \
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(void)(fd); \
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} while (false)
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#define COMMON_SYSCALL_FD_RELEASE(fd) \
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do { \
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(void)(fd); \
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} while (false)
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#define COMMON_SYSCALL_PRE_FORK() \
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do { \
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} while (false)
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#define COMMON_SYSCALL_POST_FORK(res) \
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do { \
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(void)(res); \
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} while (false)
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#include "sanitizer_common/sanitizer_common_syscalls.inc"
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