diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/hppa/makecontext.c')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/hppa/makecontext.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/makecontext.c b/ports/sysdeps/unix/sysv/linux/hppa/makecontext.c index c59dd83eea..046aad2afb 100644 --- a/ports/sysdeps/unix/sysv/linux/hppa/makecontext.c +++ b/ports/sysdeps/unix/sysv/linux/hppa/makecontext.c @@ -29,9 +29,9 @@ /* Stack must be 64-byte aligned at all times. */ #define STACK_ALIGN 64 /* Size of frame marker in unsigned long words. */ -#define FRAME_SIZE_UL 8 +#define FRAME_SIZE_UL 8 /* Size of frame marker in bytes. */ -#define FRAME_SIZE_BYTES (8 * sizeof(unsigned long)) +#define FRAME_SIZE_BYTES (8 * sizeof(unsigned long)) /* Size of X arguments in bytes. */ #define ARGS(x) (x * sizeof(unsigned long)) @@ -42,7 +42,7 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) va_list ap; int i; - /* Create a 64-byte aligned frame to store args. Use ss_sp if + /* Create a 64-byte aligned frame to store args. Use ss_sp if it is available, otherwise be robust and use the currently saved stack pointer. */ if (ucp->uc_stack.ss_sp && ucp->uc_stack.ss_size) @@ -50,8 +50,8 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) else osp = (unsigned long *)ucp->uc_mcontext.sc_gr[30]; - sp = (unsigned long *)((((unsigned long) osp) - + FRAME_SIZE_BYTES + ARGS(argc) + STACK_ALIGN) + sp = (unsigned long *)((((unsigned long) osp) + + FRAME_SIZE_BYTES + ARGS(argc) + STACK_ALIGN) & ~(STACK_ALIGN - 1)); /* Use new frame. */ @@ -89,12 +89,12 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) /* 64bit: r19-r22 are arg7-arg4. */ ucp->uc_mcontext.sc_gr[22+4-i] = va_arg (ap, int); continue; - } + } /* All other arguments go on the stack. */ sp[-1 * (FRAME_SIZE_UL + 1 + i)] = va_arg (ap, int); } - va_end (ap); + va_end (ap); } weak_alias(__makecontext, makecontext) |