2012-03-11 David S. Miller <davem@davemloft.net>
+ * sysdeps/unix/sysv/linux/sparc/sparc64/makecontext.c
+ (__makecontext): Fix signedness of pointer casts setting up 'sp'.
+ * sysdeps/unix/sysv/linux/sparc/sysdep.h (INLINE_SYSCALL) Use 'long'
+ for 'resultvar' otherwise things get truncated on 64-bit.
+
* sysdeps/unix/sysv/linux/dl-osinfo.h (_dl_setup_stack_chk_guard):
Fix masking out of the most significant byte of random value used.
va_list ap;
int i;
- sp = (long *) ((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
+ sp = (unsigned long *) ((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
sp -= (argc > 6 ? argc : 6) + 32;
- sp = (long *) (((long) sp) & -16L);
+ sp = (unsigned long *) (((long) sp) & -16L);
topsp = sp + (argc > 6 ? argc : 6) + 16;
ucp->uc_mcontext.mc_gregs[MC_PC] = (long) func;
#undef INLINE_SYSCALL
#define INLINE_SYSCALL(name, nr, args...) \
({ INTERNAL_SYSCALL_DECL(err); \
- unsigned int resultvar = INTERNAL_SYSCALL(name, err, nr, args); \
+ unsigned long resultvar = INTERNAL_SYSCALL(name, err, nr, args);\
if (INTERNAL_SYSCALL_ERROR_P (resultvar, err)) \
{ \
__set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, err)); \
- resultvar = 0xffffffff; \
+ resultvar = (unsigned long) -1; \
} \
- (int) resultvar; \
+ (long) resultvar; \
})
#undef INTERNAL_SYSCALL_DECL