diff options
Diffstat (limited to 'lib/intercept/intercept.cpp')
| -rw-r--r-- | lib/intercept/intercept.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/intercept/intercept.cpp b/lib/intercept/intercept.cpp index 88ea0d6e..72bd8d4e 100644 --- a/lib/intercept/intercept.cpp +++ b/lib/intercept/intercept.cpp @@ -242,6 +242,10 @@ extern "C" int open(const char *path, int flags, ...) #endif // DEFINE_ONLY_OPEN64 { + // Some newer architectures don't have an open() syscall, but use openat() instead. + // In these cases we will need to call sys_openat() instead of sys_open(). + // https://chromium.googlesource.com/linux-syscall-support/ + if(intercept_count > 0) { if(intercept_filename != NULL && @@ -264,6 +268,8 @@ extern "C" int #ifdef PLATFORM_NO_SYSCALL int r = TEST_open(path, flags, mode); +#elif HAVE_DECL_SYS_OPENAT && !HAVE_DECL_SYS_OPEN + int r = syscall(SYS_openat, AT_FDCWD, path, flags, mode); #else int r = syscall(SYS_open, path, flags, mode); #endif @@ -389,7 +395,7 @@ lseek(int fildes, off_t offset, int whence) #else #ifdef HAVE_LSEEK_DUMMY_PARAM off_t r = syscall(SYS_lseek, fildes, 0 /* extra 0 required here! */, offset, whence); - #elif defined(_FILE_OFFSET_BITS) + #elif defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 32 // Don't bother trying to call SYS__llseek on 32 bit since it is // fiddly and not needed for the tests off_t r = syscall(SYS_lseek, fildes, (uint32_t)offset, whence); |