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td_thr_getregs(): Return errors when the requested bit of register state 

isn't in the ucontext.
td_thr_getregs(), td_thr_setregs(): Use "xreg" macros when defined.
This commit is contained in:
nathanw 2004-02-11 21:07:18 +00:00
parent 94fc83a6be
commit 26ed28badd
1 changed files with 18 additions and 2 deletions
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20
lib/libpthread_dbg/pthread_dbg.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pthread_dbg.c,v 1.14 2004/02/03 20:26:16 nathanw Exp $ */
/* $NetBSD: pthread_dbg.c,v 1.15 2004/02/11 21:07:18 nathanw Exp $ */
/*-
* Copyright (c) 2002 Wasabi Systems, Inc.
@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: pthread_dbg.c,v 1.14 2004/02/03 20:26:16 nathanw Exp $");
__RCSID("$NetBSD: pthread_dbg.c,v 1.15 2004/02/11 21:07:18 nathanw Exp $");
#include <stddef.h>
#include <stdlib.h>
@ -414,12 +414,23 @@ td_thr_getregs(td_thread_t *thread, int regset, void *buf)
switch (regset) {
case 0:
if ((uc.uc_flags & _UC_CPU) == 0)
return TD_ERR_ERR;
PTHREAD_UCONTEXT_TO_REG((struct reg *)buf, &uc);
break;
case 1:
if ((uc.uc_flags & _UC_FPU) == 0)
return TD_ERR_ERR;
PTHREAD_UCONTEXT_TO_FPREG((struct fpreg *)buf, &uc);
break;
#ifdef PTHREAD_UCONTEXT_XREG_FLAG
case 2:
if ((uc.uc_flags & PTHREAD_UCONTEXT_XREG_FLAG) == 0)
return TD_ERR_ERR;
PTHREAD_UCONTEXT_TO_XREG(buf, &uc);
break;
#endif
default:
return TD_ERR_INVAL;
}
break;
@ -509,7 +520,12 @@ td_thr_setregs(td_thread_t *thread, int regset, void *buf)
PTHREAD_FPREG_TO_UCONTEXT(&uc,
(struct fpreg *)(void *)buf);
break;
#ifdef PTHREAD_UCONTEXT_XREG_FLAG
case 2:
PTHREAD_XREG_TO_UCONTEXT(&uc, buf);
break;
#endif
default:
return TD_ERR_INVAL;
}