If argument passing to register case (ex. -mregparam=3).
This case set all parameters set to register from caller.
But callee refer to stack. So can't get parameter.
Signed-off-by: Yoshinori Sato <ysato(a)users.sourceforge.jp>
---
libc/sysdeps/linux/common/openat.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/libc/sysdeps/linux/common/openat.c b/libc/sysdeps/linux/common/openat.c
index f6032da..f71567c 100644
--- a/libc/sysdeps/linux/common/openat.c
+++ b/libc/sysdeps/linux/common/openat.c
@@ -8,11 +8,24 @@
#include <sys/syscall.h>
#include <fcntl.h>
+#include <stdarg.h>
#ifdef __NR_openat
# define __NR___syscall_openat __NR_openat
static __inline__ _syscall4(int, __syscall_openat, int, fd, const char *, file, int,
oflag, mode_t, mode)
-strong_alias_untyped(__syscall_openat,openat)
+
+int __openat(int fd, const char *file, int o_flag, ...)
+{
+ va_list ap;
+ mode_t mode;
+
+ va_start(ap, o_flag);
+ mode = va_arg(ap, int);
+ va_end(ap);
+ return __syscall_openat(fd, file, o_flag, mode);
+}
+
+strong_alias_untyped(__openat,openat)
libc_hidden_def(openat)
#else
/* should add emulation with open() and /proc/self/fd/ ... */
--
2.6.1
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open_cancel and open2_cancel have diffrent argument on open.
So can't alias this functions.
Signed-off-by: Yoshinori Sato <ysato(a)users.sourceforge.jp>
---
libc/sysdeps/linux/common/open.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/libc/sysdeps/linux/common/open.c b/libc/sysdeps/linux/common/open.c
index aab0fb5..fd37ea0 100644
--- a/libc/sysdeps/linux/common/open.c
+++ b/libc/sysdeps/linux/common/open.c
@@ -57,6 +57,12 @@ int open(const char *file, int oflag, ...)
lt_strong_alias(open)
lt_libc_hidden(open)
#if !defined(__NR_open)
-strong_alias_untyped(open,__open2_nocancel)
-strong_alias_untyped(open,__open_nocancel)
+int __open2_nocancel(const char *file, int oflag)
+{
+ return open(file, oflag);
+}
+int __open_nocancel(const char *file, int oflag, mode_t mode)
+{
+ return open(file, oflag, mode);
+}
#endif
--
2.6.1
Hi Yoshinori,
Yoshinori Sato wrote,
open_cancel and open2_cancel have diffrent argument on
open.
So can't alias this functions.
Signed-off-by: Yoshinori Sato <ysato(a)users.sourceforge.jp>
Applied and pushed,
best regards
Waldemar
Hi Yoshinori,
Yoshinori Sato wrote,
If argument passing to register case (ex.
-mregparam=3).
This case set all parameters set to register from caller.
But callee refer to stack. So can't get parameter.
Signed-off-by: Yoshinori Sato <ysato(a)users.sourceforge.jp>
Applied and pushed.
best regards
Waldemar