diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/makecontext.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/makecontext.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/makecontext.c b/sysdeps/unix/sysv/linux/x86_64/makecontext.c index c763556b93..6597d8980b 100644 --- a/sysdeps/unix/sysv/linux/x86_64/makecontext.c +++ b/sysdeps/unix/sysv/linux/x86_64/makecontext.c @@ -1,5 +1,5 @@ /* Create new context. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 2002. @@ -20,6 +20,7 @@ #include <sysdep.h> #include <stdarg.h> +#include <stdint.h> #include <ucontext.h> #include "ucontext_i.h" @@ -52,28 +53,29 @@ void __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) { extern void __start_context (void); - unsigned long *sp, idx_uc_link; + unsigned long int *sp, idx_uc_link; va_list ap; int i; /* Generate room on stack for parameter if needed and uc_link. */ - sp = (long *) ((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size); + sp = (unsigned long int *) ((uintptr_t) ucp->uc_stack.ss_sp + + ucp->uc_stack.ss_size); sp -= (argc > 6 ? argc - 6 : 0) + 1; /* Align stack and make space for trampoline address. */ - sp = (long *) ((((long) sp) & -16L) - 8); + sp = (unsigned long int *) ((((uintptr_t) sp) & -16L) - 8); idx_uc_link = (argc > 6 ? argc - 6 : 0) + 1; /* Setup context ucp. */ /* Address to jump to. */ - ucp->uc_mcontext.gregs[REG_RIP] = (long) func; + ucp->uc_mcontext.gregs[REG_RIP] = (long int) func; /* Setup rbx.*/ - ucp->uc_mcontext.gregs[REG_RBX] = (long) &sp[idx_uc_link]; - ucp->uc_mcontext.gregs[REG_RSP] = (long) sp; + ucp->uc_mcontext.gregs[REG_RBX] = (long int) &sp[idx_uc_link]; + ucp->uc_mcontext.gregs[REG_RSP] = (long int) sp; /* Setup stack. */ - sp[0] = (long) &__start_context; - sp[idx_uc_link] = (long) ucp->uc_link; + sp[0] = (unsigned long int) &__start_context; + sp[idx_uc_link] = (unsigned long int) ucp->uc_link; va_start (ap, argc); /* Handle arguments. */ |