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add zombie program

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rsc 2007-08-08 08:38:55 +00:00
parent a7d18bb6f0
commit 349ee132f0
2 changed files with 23 additions and 5 deletions
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16
Makefile
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@ -33,7 +33,8 @@ CC = $(TOOLPREFIX)gcc
LD = $(TOOLPREFIX)ld
OBJCOPY = $(TOOLPREFIX)objcopy
OBJDUMP = $(TOOLPREFIX)objdump
CFLAGS = -fno-builtin -O2 -Wall -MD
# On newer gcc you may need to add -fno-stack-protector to $(CFLAGS)
CFLAGS = -fno-builtin -O2 -Wall -MD -fno-stack-protector
AS = $(TOOLPREFIX)gas
xv6.img : bootblock kernel fs.img
@ -99,19 +100,24 @@ _rm : rm.o $(ULIB)
$(LD) -N -e main -Ttext 0 -o _rm rm.o $(ULIB)
$(OBJDUMP) -S _rm > rm.asm
_zombie: zombie.o $(ULIB)
$(LD) -N -e main -Ttext 0 -o _zombie zombie.o $(ULIB)
$(OBJDUMP) -S _zombie > zombie.asm
mkfs : mkfs.c fs.h
cc -o mkfs mkfs.c
fs.img : mkfs usertests _echo _cat README _init _sh _ls _mkdir _rm
./mkfs fs.img usertests _echo _cat README _init _sh _ls _mkdir _rm
UPROGS=usertests _echo _cat _init _sh _ls _mkdir _rm _zombie
fs.img : mkfs README $(UPROGS)
./mkfs fs.img README $(UPROGS)
-include *.d
clean :
rm -f *.ps *.tex *.dvi *.idx *.aux *.log *.ind *.ilg \
*.o *.d *.asm vectors.S parport.out \
bootblock kernel xv6.img usertests \
fs.img _cat _echo _init _sh _ls _rm _mkdir mkfs
bootblock kernel xv6.img fs.img mkfs \
$(UPROGS)
# make a printout
PRINT = \

12
zombie.c Normal file
View file

@ -0,0 +1,12 @@
// Create a zombie process.
#include "types.h"
#include "stat.h"
#include "user.h"
int
main(void)
{
fork();
exit();
}