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Adjust types and casts for LP64 compilation.

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Split "long *sp;" into "__greg_t sp, *spp;", which reduces the cast
density and could be used to clean up the ppc32 version as well.
This commit is contained in:
ross 2006-07-05 18:10:36 +00:00
parent a87ca7ecec
commit a9ea5c11ba
1 changed files with 11 additions and 11 deletions
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22
lib/libc/arch/powerpc64/gen/makecontext.c
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@ -1,4 +1,4 @@
/* $NetBSD: makecontext.c,v 1.1 2006/07/01 16:37:20 ross Exp $ */
/* $NetBSD: makecontext.c,v 1.2 2006/07/05 18:10:36 ross Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: makecontext.c,v 1.1 2006/07/01 16:37:20 ross Exp $");
__RCSID("$NetBSD: makecontext.c,v 1.2 2006/07/05 18:10:36 ross Exp $");
#endif
#include <inttypes.h>
@ -56,26 +56,26 @@ void
makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
{
__greg_t *gr = ucp->uc_mcontext.__gregs;
long *sp;
__greg_t sp, *spp;
int i;
va_list ap;
sp = (long *)
((uintptr_t)ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
sp = (__greg_t) ((uintptr_t)ucp->uc_stack.ss_sp
+ ucp->uc_stack.ss_size);
sp -= 2 + (argc > 8 ? argc - 8: 0); /* Make room for call frame. */
sp = (int *)
((uintptr_t)sp & ~0xf); /* Align on quad-word boundary. */
sp = (__greg_t) ((uintptr_t)sp & ~0xf);
/*
* Start executing at <func> -- when <func> completes, return to
* <_resumecontext>.
*/
gr[_REG_R1] = (__greg_t)sp;
gr[_REG_R1] = sp;
gr[_REG_LR] = (__greg_t)_resumecontext;
gr[_REG_PC] = (__greg_t)func; // XXX -- this is the descriptor address!
/* Wipe out stack frame backchain pointer. */
*sp = 0;
spp = (__greg_t *)sp;
*spp = 0;
/* Construct argument list. */
va_start(ap, argc);
@ -83,7 +83,7 @@ makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
for (i = 0; i < argc && i < 8; i++)
gr[_REG_R3 + i] = va_arg(ap, long);
/* Pass remaining arguments on the stack above the backchain/lr gap. */
for (sp += 2; i < argc; i++)
*sp++ = va_arg(ap, long);
for (spp += 2; i < argc; i++)
*spp++ = va_arg(ap, long);
va_end(ap);
}