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Now make these actually work.

This commit is contained in:
scw 2003-01-22 13:44:36 +00:00
parent a4b020d99e
commit aa338c0862
3 changed files with 13 additions and 10 deletions
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6
lib/libc/arch/sh5/gen/makecontext.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: makecontext.c,v 1.3 2003/01/21 11:29:29 scw Exp $ */
/* $NetBSD: makecontext.c,v 1.4 2003/01/22 13:44:36 scw Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: makecontext.c,v 1.3 2003/01/21 11:29:29 scw Exp $");
__RCSID("$NetBSD: makecontext.c,v 1.4 2003/01/22 13:44:36 scw Exp $");
#endif
#include <sys/types.h>
@ -105,7 +105,7 @@ makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
* First 8 args are passed in r2-r9
*/
for (i = 0; i < argc && i < 8; i++)
gr[_REG_R(i)] = (register_t)va_arg(ap, long);
gr[_REG_R(i + 2)] = (register_t)va_arg(ap, long);
/*
* Additional args are passed on the stack as 64-bit quantities

8
lib/libc/arch/sh5/gen/swapcontext.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: swapcontext.S,v 1.1 2003/01/19 23:05:03 scw Exp $ */
/* $NetBSD: swapcontext.S,v 1.2 2003/01/22 13:44:36 scw Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@ -38,14 +38,16 @@
#include "SYS.h"
#if defined(LIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: swapcontext.S,v 1.1 2003/01/19 23:05:03 scw Exp $")
RCSID("$NetBSD: swapcontext.S,v 1.2 2003/01/22 13:44:36 scw Exp $")
#endif /* LIBC_SCCS && !lint */
ENTRY(swapcontext)
or r2, r63, r4 /* Preserve oucp in r4 across syscall */
or r18, r63, r5 /* Preserve return address similarly */
SYSCALL(getcontext) /* Note: preserves ucp(r3) & oucp(r4) */
st.q r4, 40, r5 /* Adjust saved program counter */
st.q r4, 72, r63 /* Arrange for return value of 0 */
st.q r4, 176, r18 /* Adjust saved program counter */
or r3, r63, r2 /* Fetch 'ucp' */
SYSCALL(setcontext)
/*NOTREACHED*/
brk /* But just in case ... */

9
lib/libc/arch/sh5/sys/getcontext.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: getcontext.S,v 1.1 2003/01/19 23:05:04 scw Exp $ */
/* $NetBSD: getcontext.S,v 1.2 2003/01/22 13:44:37 scw Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@ -38,7 +38,7 @@
#include "SYS.h"
#if defined(SYSLIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: getcontext.S,v 1.1 2003/01/19 23:05:04 scw Exp $")
RCSID("$NetBSD: getcontext.S,v 1.2 2003/01/22 13:44:37 scw Exp $")
#endif /* SYSLIBC_SCCS && !lint */
#ifdef WEAK_ALIAS
@ -47,8 +47,9 @@ WEAK_ALIAS(getcontext, _getcontext)
ENTRY(_getcontext)
or r2, r63, r3 /* Preserve ucp in r3 across syscall */
or r18, r63, r4 /* Preserve return address similarly */
SYSCALL(getcontext)
ptabs/l r18, tr0
ptabs/l r4, tr0
st.q r3, 72, r63 /* Arrange for return value of 0 */
st.q r3, 176, r18 /* Adjust saved program counter */
st.q r3, 40, r4 /* Adjust saved program counter */
blink tr0, r63