Module Name: src
Committed By: tsutsui
Date: Sat Feb 20 18:04:20 UTC 2021
Modified Files:
src/sys/arch/m68k/m68k: reenter_syscall.s
Log Message:
Replace magic numbers with proper macros prepared in assym.h.
No binary changes.
Note this is a preparation for a possible fix of PR port-m68k/55990.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/m68k/m68k/reenter_syscall.s
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/m68k/m68k/reenter_syscall.s
diff -u src/sys/arch/m68k/m68k/reenter_syscall.s:1.4 src/sys/arch/m68k/m68k/reenter_syscall.s:1.5
--- src/sys/arch/m68k/m68k/reenter_syscall.s:1.4 Sat Sep 7 19:06:29 2013
+++ src/sys/arch/m68k/m68k/reenter_syscall.s Sat Feb 20 18:04:20 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: reenter_syscall.s,v 1.4 2013/09/07 19:06:29 chs Exp $ */
+/* $NetBSD: reenter_syscall.s,v 1.5 2021/02/20 18:04:20 tsutsui Exp $ */
/*
* Written by ITOH Yasufumi.
@@ -6,6 +6,7 @@
*/
#include <m68k/asm.h>
+#include "assym.h"
/*
* void reenter_syscall(struct frame *fp, int stkadj)
@@ -38,17 +39,17 @@ ENTRY_NOPROFILE(reenter_syscall)
.Lcpfr: movel (%a0)+,(%a1)+
dbra %d0,.Lcpfr
- movew %d1,%sp@(16*4+2) | set stack adjust count
+ movew %d1,%sp@(FR_ADJ) | set stack adjust count
movel (%sp),-(%sp) | push syscall no (original d0 value)
jbsr _C_LABEL(syscall) | re-enter syscall()
addql #4,%sp | pop syscall no
#ifdef DEBUG
- tstw %sp@(16*4+2) | stack adjust must be zero
+ tstw %sp@(FR_ADJ) | stack adjust must be zero
jeq .Ladjzero
PANIC("reenter_syscall")
.Ladjzero:
#endif
- moveal %sp@(15*4),%a0 | grab and restore
+ moveal %sp@(FR_SP),%a0 | grab and restore
movel %a0,%usp | user SP
moveml (%sp)+,#0x7FFF | restore user registers
addql #8,%sp | pop SP and stack adjust
