From: Hans-Christian Egtvedt Date: Tue, 15 Dec 2009 09:36:33 +0000 (+0100) Subject: uclibc: add prctl syscall fix for AVR32 architecture X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b4f01dcc10a94dc5ace8a6780fb41c4882fa617b;p=buildroot.git uclibc: add prctl syscall fix for AVR32 architecture This patch fixes the prctl syscall for the AVR32 architecture, since this architecture assumes you handle varargs in a proper way, always. Signed-off-by: Hans-Christian Egtvedt Signed-off-by: Peter Korsgaard --- diff --git a/toolchain/uClibc/uClibc-0.9.30-fix-varargs-in-prctl-syscall.patch.avr32 b/toolchain/uClibc/uClibc-0.9.30-fix-varargs-in-prctl-syscall.patch.avr32 new file mode 100644 index 0000000000..8b27a84f76 --- /dev/null +++ b/toolchain/uClibc/uClibc-0.9.30-fix-varargs-in-prctl-syscall.patch.avr32 @@ -0,0 +1,29 @@ +--- a/libc/sysdeps/linux/common/prctl.c ++++ b/libc/sysdeps/linux/common/prctl.c +@@ -12,6 +12,24 @@ + /* psm: including sys/prctl.h would depend on kernel headers */ + + #ifdef __NR_prctl +-extern int prctl (int, long, long, long, long); +-_syscall5(int, prctl, int, option, long, arg2, long, arg3, long, arg4, long, arg5) ++#define __NR___syscall_prctl __NR_prctl ++static inline _syscall5(int, __syscall_prctl, int, option, long, arg2, long, arg3, long, ++ arg4, long, arg5); ++ ++int prctl(int option, ...) { ++ long arg2 = 0; ++ long arg3 = 0; ++ long arg4 = 0; ++ long arg5 = 0; ++ va_list ap; ++ ++ va_start(ap, option); ++ arg2 = va_arg(ap, long); ++ arg3 = va_arg(ap, long); ++ arg4 = va_arg(ap, long); ++ arg5 = va_arg(ap, long); ++ va_end(ap); ++ ++ return __syscall_prctl(option, arg2, arg3, arg4, arg5); ++} + #endif