Module Name: src
Committed By: matt
Date: Sun Aug 23 03:52:52 UTC 2009
Modified Files:
src/sys/arch/mips/mips [matt-nb5-mips64]: syscall.c
Log Message:
Add code to print the retval.
Use _QUAD_{LOW,HIGH}WORD to divide up V0 on O32.
To generate a diff of this commit:
cvs rdiff -u -r1.37.12.4 -r1.37.12.5 src/sys/arch/mips/mips/syscall.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/mips/mips/syscall.c
diff -u src/sys/arch/mips/mips/syscall.c:1.37.12.4 src/sys/arch/mips/mips/syscall.c:1.37.12.5
--- src/sys/arch/mips/mips/syscall.c:1.37.12.4 Sat Aug 22 16:55:19 2009
+++ src/sys/arch/mips/mips/syscall.c Sun Aug 23 03:52:52 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: syscall.c,v 1.37.12.4 2009/08/22 16:55:19 matt Exp $ */
+/* $NetBSD: syscall.c,v 1.37.12.5 2009/08/23 03:52:52 matt Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -107,7 +107,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
-__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.37.12.4 2009/08/22 16:55:19 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: syscall.c,v 1.37.12.5 2009/08/23 03:52:52 matt Exp $");
#if defined(_KERNEL_OPT)
#include "opt_sa.h"
@@ -383,16 +383,19 @@
* If this is from O32 and it's a 64bit quantity,
* split it into 2 32bit values in adjacent registers.
*/
-#if BYTE_ORDER == BIG_ENDIAN
- frame->f_regs[_R_V1] = (int32_t) frame->f_regs[_R_V0];
- frame->f_regs[_R_V0] >>= 32;
-#endif
-#if BYTE_ORDER == LITTLE_ENDIAN
- frame->f_regs[_R_V1] = frame->f_regs[_R_V0] >> 32;
- frame->f_regs[_R_V0] = (int32_t) frame->f_regs[_R_V0];
-#endif
+ mips_reg_t tmp = frame->f_regs[_R_V0];
+ frame->f_regs[_R_V0 + _QUAD_LOWWORD] = (int32_t) tmp;
+ frame->f_regs[_R_V0 + _QUAD_HIGHWORD] = tmp >> 32;
}
#endif
+#if 0
+ if (p->p_emul->e_syscallnames)
+ printf("syscall %s:", p->p_emul->e_syscallnames[code]);
+ else
+ printf("syscall %u:", code);
+ printf(" return v0=%#"PRIxREGISTER" v1=%#"PRIxREGISTER"\n",
+ frame->f_regs[_R_V0], frame->f_regs[_R_V1]);
+#endif
frame->f_regs[_R_A3] = 0;
break;
case ERESTART:
