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Enhance reboot decoding

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* linux/reboot.h: New file.
* system.c (bootflags1, bootflags2, bootflags3, sys_reboot): Move...
* reboot.c: ... here.
(bootflags2, bootflags3): Update constants.
* Makefile.am (strace_SOURCES): Add reboot.c.
(EXTRA_DIST): Add linux/reboot.h.
This commit is contained in:
Дмитрий Левин 2014-02-05 14:51:19 +00:00
parent 90aa9f4d72
commit 9aaf88c000
4 changed files with 86 additions and 40 deletions
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2
Makefile.am
View File

@ -34,6 +34,7 @@ strace_SOURCES = \
process.c \
ptp.c \
quota.c \
reboot.c \
resource.c \
scsi.c \
signal.c \
@ -137,6 +138,7 @@ EXTRA_DIST = \
linux/powerpc/syscallent.h \
linux/powerpc/syscallent1.h \
linux/ptp_clock.h \
linux/reboot.h \
linux/s390/ioctlent.h.in \
linux/s390/syscallent.h \
linux/s390x/ioctlent.h.in \

39
linux/reboot.h Normal file
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@ -0,0 +1,39 @@
#ifndef _LINUX_REBOOT_H
#define _LINUX_REBOOT_H
/*
* Magic values required to use _reboot() system call.
*/
#define LINUX_REBOOT_MAGIC1 0xfee1dead
#define LINUX_REBOOT_MAGIC2 672274793
#define LINUX_REBOOT_MAGIC2A 85072278
#define LINUX_REBOOT_MAGIC2B 369367448
#define LINUX_REBOOT_MAGIC2C 537993216
/*
* Commands accepted by the _reboot() system call.
*
* RESTART Restart system using default command and mode.
* HALT Stop OS and give system control to ROM monitor, if any.
* CAD_ON Ctrl-Alt-Del sequence causes RESTART command.
* CAD_OFF Ctrl-Alt-Del sequence sends SIGINT to init task.
* POWER_OFF Stop OS and remove all power from system, if possible.
* RESTART2 Restart system using given command string.
* SW_SUSPEND Suspend system using software suspend if compiled in.
* KEXEC Restart system using a previously loaded Linux kernel
*/
#define LINUX_REBOOT_CMD_RESTART 0x01234567
#define LINUX_REBOOT_CMD_HALT 0xCDEF0123
#define LINUX_REBOOT_CMD_CAD_ON 0x89ABCDEF
#define LINUX_REBOOT_CMD_CAD_OFF 0x00000000
#define LINUX_REBOOT_CMD_POWER_OFF 0x4321FEDC
#define LINUX_REBOOT_CMD_RESTART2 0xA1B2C3D4
#define LINUX_REBOOT_CMD_SW_SUSPEND 0xD000FCE2
#define LINUX_REBOOT_CMD_KEXEC 0x45584543
#endif /* _LINUX_REBOOT_H */

45
reboot.c Normal file
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@ -0,0 +1,45 @@
#include "defs.h"
#include <linux/reboot.h>
static const struct xlat bootflags1[] = {
XLAT(LINUX_REBOOT_MAGIC1),
XLAT_END
};
static const struct xlat bootflags2[] = {
XLAT(LINUX_REBOOT_MAGIC2),
XLAT(LINUX_REBOOT_MAGIC2A),
XLAT(LINUX_REBOOT_MAGIC2B),
XLAT(LINUX_REBOOT_MAGIC2C),
XLAT_END
};
static const struct xlat bootflags3[] = {
XLAT(LINUX_REBOOT_CMD_RESTART),
XLAT(LINUX_REBOOT_CMD_HALT),
XLAT(LINUX_REBOOT_CMD_CAD_ON),
XLAT(LINUX_REBOOT_CMD_CAD_OFF),
XLAT(LINUX_REBOOT_CMD_POWER_OFF),
XLAT(LINUX_REBOOT_CMD_RESTART2),
XLAT(LINUX_REBOOT_CMD_SW_SUSPEND),
XLAT(LINUX_REBOOT_CMD_KEXEC),
XLAT_END
};
int
sys_reboot(struct tcb *tcp)
{
if (exiting(tcp))
return 0;
printflags(bootflags1, tcp->u_arg[0], "LINUX_REBOOT_MAGIC_???");
tprints(", ");
printflags(bootflags2, tcp->u_arg[1], "LINUX_REBOOT_MAGIC_???");
tprints(", ");
printflags(bootflags3, tcp->u_arg[2], "LINUX_REBOOT_CMD_???");
if (tcp->u_arg[2] == LINUX_REBOOT_CMD_RESTART2) {
tprints(", ");
printstr(tcp, tcp->u_arg[3], -1);
}
return 0;
}

40
system.c
View File

@ -275,46 +275,6 @@ sys_syslog(struct tcb *tcp)
return 0;
}
#include <linux/reboot.h>
static const struct xlat bootflags1[] = {
XLAT(LINUX_REBOOT_MAGIC1),
XLAT_END
};
static const struct xlat bootflags2[] = {
XLAT(LINUX_REBOOT_MAGIC2),
XLAT(LINUX_REBOOT_MAGIC2A),
XLAT(LINUX_REBOOT_MAGIC2B),
XLAT_END
};
static const struct xlat bootflags3[] = {
XLAT(LINUX_REBOOT_CMD_CAD_OFF),
XLAT(LINUX_REBOOT_CMD_RESTART),
XLAT(LINUX_REBOOT_CMD_HALT),
XLAT(LINUX_REBOOT_CMD_CAD_ON),
XLAT(LINUX_REBOOT_CMD_POWER_OFF),
XLAT(LINUX_REBOOT_CMD_RESTART2),
XLAT_END
};
int
sys_reboot(struct tcb *tcp)
{
if (entering(tcp)) {
printflags(bootflags1, tcp->u_arg[0], "LINUX_REBOOT_MAGIC_???");
tprints(", ");
printflags(bootflags2, tcp->u_arg[1], "LINUX_REBOOT_MAGIC_???");
tprints(", ");
printflags(bootflags3, tcp->u_arg[2], "LINUX_REBOOT_CMD_???");
if (tcp->u_arg[2] == LINUX_REBOOT_CMD_RESTART2) {
tprints(", ");
printstr(tcp, tcp->u_arg[3], -1);
}
}
return 0;
}
#ifdef M68K
static const struct xlat cacheflush_scope[] = {
#ifdef FLUSH_SCOPE_LINE