From c74f692289c904d82847625ec7c179ca1216f67d Mon Sep 17 00:00:00 2001 From: tracer-ysyx Date: Sat, 13 Jan 2024 10:36:30 +0800 Subject: [PATCH] =?UTF-8?q?>=20compile=20NEMU=20ysyx=5F22040000=20?= =?UTF-8?q?=E6=9D=8E=E5=BF=83=E6=9D=A8=20Linux=20calcite=206.1.69=20#1-Nix?= =?UTF-8?q?OS=20SMP=20PREEMPT=5FDYNAMIC=20Wed=20Dec=2020=2016:00:29=20UTC?= =?UTF-8?q?=202023=20x86=5F64=20GNU/Linux=20=2010:36:30=20=20up=201=20day?= =?UTF-8?q?=2010:52,=20=202=20users,=20=20load=20average:=200.74,=200.65,?= =?UTF-8?q?=200.56?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- nemu/src/monitor/sdb/addrexp.y | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/nemu/src/monitor/sdb/addrexp.y b/nemu/src/monitor/sdb/addrexp.y index 112dfaf..6aadc7a 100644 --- a/nemu/src/monitor/sdb/addrexp.y +++ b/nemu/src/monitor/sdb/addrexp.y @@ -25,7 +25,13 @@ expression | expression '+' expression { $$ = $1 + $3; } | expression '-' expression { $$ = $1 - $3; } | expression '*' expression { $$ = $1 * $3; } - | expression '/' expression { if($3 == 0) { fprintf(stderr, "Devide by zero at %u / %u\n", $1, $3); YYABORT; }; $$ = $1 / $3;} + | expression '/' expression { + if($3 == 0) { + fprintf(stderr, "Error: divide by zero at %u / %u\n", $1, $3); + YYABORT; + }; + $$ = $1 / $3; + } | '-' number { $$ = -$2; } | '(' expression ')' { $$ = $2; }