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| author | Carmelo Amoroso <carmelo.amoroso@st.com> | 2011-04-06 15:13:59 +0200 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2011-04-06 15:13:59 +0200 |
| commit | 3b3285b1b7c02d36c74a6ae265fdb02ca991c96b (patch) | |
| tree | 0f3bf060794323ff690f6f4a86dc903c4570f540 /libc/sysdeps/linux/c6x/prctl.c | |
| parent | 289d19f45d7f8af9a4079938a3426aafdd2674ba (diff) | |
| parent | 85f4b028d767fc390a7b866d2f58d58be489242d (diff) | |
Merge remote-tracking branch 'origin/master' into prelink
* origin/master: (137 commits)
utils/ldd: Check for returned pointer from strrchr not the value it holds
cris: add provide arch-specific vfork implementation
lutimes.c, stubs.c: fix compiling lutimes, if __NR_utimensat is not defined
bump version to 0.9.32-rc3-git
release 0.9.32-rc3
memalign: include sys/param.h for MAX
arm/bits/atomic.h: Include common/bit/atomic.h for thumb1
wctype.h: fix libc_hidden_proto for iswupper and add it for iswspace
add libc_hidden_proto for wcs[n]casecmp_l
really fix missing __libc_drand48_data
Revert "missing prototype of __libc_drand48_data fixed"
missing prototype of __libc_drand48_data fixed
time.c, time.h: remove unused hidden strftime/strptime
nanosleep.c: remove duplicated libc_hidden_proto
ctype.c, ctype.h: remove commented parts that were banned for removal after 0.9.31
_wctype.c, wctype.h: remove unused isw* and wctype_l hidden functions
time.c, wchar.h: remove unused hidden wcsftime
str[n]casecmp.c: fix hidden usage
remove unused hidden functions
frv/memset.S: add missing libc_hidden_def
...
Conflicts:
ldso/ldso/ldso.c
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libc/sysdeps/linux/c6x/prctl.c')
| -rw-r--r-- | libc/sysdeps/linux/c6x/prctl.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/c6x/prctl.c b/libc/sysdeps/linux/c6x/prctl.c new file mode 100644 index 000000000..fcf1f9d54 --- /dev/null +++ b/libc/sysdeps/linux/c6x/prctl.c @@ -0,0 +1,43 @@ +/* vi: set sw=4 ts=4: */ +/* + * prctl() for uClibc + * + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +#include <sys/syscall.h> +#include <stdarg.h> +/* psm: including sys/prctl.h would depend on kernel headers */ + +#ifdef __NR_prctl +extern int prctl (int __option, ...); +int prctl (int __option, ...) +{ + register long no __asm__("B0"); + register long a __asm__("A4"); + register long b __asm__("B4"); + register long c __asm__("A6"); + register long d __asm__("B6"); + register long e __asm__("A8"); + int __res; + va_list ap; + + va_start( ap, __option); + a = __option; + b = va_arg( ap, long); + c = va_arg( ap, long); + d = va_arg( ap, long); + e = va_arg( ap, long); + va_end( ap ); + + no = __NR_prctl; + + __asm__ __volatile__ ("SWE" : "=a" (a) : "a" (a), "b" (b), "a" (c), "b" (d), "a" (e), "b" (no) + : "memory", "cc"); + + __res = a; + __SYSCALL_RETURN (int); +} +#endif |