diff options
author | Chris Wilson <chris+github@qwirx.com> | 2017-06-18 18:56:08 +0000 |
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committer | Chris Wilson <chris+github@qwirx.com> | 2017-06-22 20:28:06 +0100 |
commit | 6a04b0abd728da5211e6702b1d42aef95c02d8da (patch) | |
tree | bc8ec9cb1f7aa1783b73096f6e4a54c96133cb90 /lib/intercept/intercept.h | |
parent | d8422a8b053b62c67e5fe2e861a09d2c792b657a (diff) |
Fix intercept of SYS_open on platforms that only have SYS_openat (e.g. arm64)
Diffstat (limited to 'lib/intercept/intercept.h')
-rw-r--r-- | lib/intercept/intercept.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/intercept/intercept.h b/lib/intercept/intercept.h index c0d61638..4de5f9f2 100644 --- a/lib/intercept/intercept.h +++ b/lib/intercept/intercept.h @@ -62,5 +62,14 @@ void intercept_setup_stat_post_hook (lstat_post_hook_t hookfn); void intercept_clear_setup(); +// Some newer architectures don't have an open() syscall, but use openat() instead. +// In these cases we define SYS_open (which is otherwise undefined) to equal SYS_openat +// (which is defined) so that everywhere else we can call intercept_setup_error(SYS_open) +// without caring about the difference. +// https://chromium.googlesource.com/linux-syscall-support/ +#if !HAVE_DECL_SYS_OPEN && HAVE_DECL_SYS_OPENAT +# define SYS_open SYS_openat +#endif + #endif // !PLATFORM_CLIB_FNS_INTERCEPTION_IMPOSSIBLE #endif // !INTERCEPT_H |