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# S390-specific system calls
%(arch == "s390x" %?
# getresgid __________________________________________________
# long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid)
#
probe nd_syscall.getresgid16 = kprobe.function("sys32_getresgid16") ?
{
name = "getresgid"
// argstr = sprintf("%p, %p, %p", $rgid, $egid, $sgid)
asmlinkage()
argstr = sprintf("%p, %p, %p", pointer_arg(1), pointer_arg(2), pointer_arg(3))
}
probe nd_syscall.getresgid16.return = kprobe.function("sys32_getresgid16").return ?
{
name = "getresgid"
retstr = returnstr(1)
}
# getresuid __________________________________________________
# long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid)
#
probe nd_syscall.getresuid16 = kprobe.function("sys32_getresuid16") ?
{
name = "getresuid"
// argstr = sprintf("%p, %p, %p", $ruid, $euid, $suid)
asmlinkage()
argstr = sprintf("%p, %p, %p", pointer_arg(1), pointer_arg(2), pointer_arg(3))
}
probe nd_syscall.getresuid16.return = kprobe.function("sys32_getresuid16").return ?
{
name = "getresuid"
retstr = returnstr(1)
}
# ipc _________________________________________________
# long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
#
probe nd_syscall.ipc = kprobe.function("sys32_ipc") ?
{
name = "ipc"
// argstr = sprintf("%d, %d, %d, %d, %p", $call, $first, $second, $third, $ptr)
asmlinkage()
argstr = sprintf("%d, %d, %d, %d, %p", uint_arg(1), int_arg(2), int_arg(3), int_arg(4), uint_arg(5))
}
probe nd_syscall.ipc.return = kprobe.function("sys_ipc").return ?
{
name = "ipc"
retstr = returnstr(1)
}
# mmap _________________________________________________
# long old_mmap(struct mmap_arg_struct __user *arg)
# long old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
#
probe nd_syscall.mmap = kprobe.function("old_mmap") ?,
kprobe.function("old32_mmap") ?,
kprobe.function("SyS_s390_old_mmap") ?
{
name = "mmap"
// if ((probefunc() == "old_mmap") || (probefunc() == "SyS_s390_old_mmap"))
// argstr = get_mmap_args($arg)
// else
// argstr = get_32mmap_args($arg)
asmlinkage()
if ((probefunc() == "old_mmap") || (probefunc() == "SyS_s390_old_mmap"))
argstr = get_mmap_args(pointer_arg(1))
else
argstr = get_32mmap_args(pointer_arg(1))
}
probe nd_syscall.mmap.return = kprobe.function("old_mmap").return ?,
kprobe.function("old32_mmap").return ?,
kprobe.function("SyS_s390_old_mmap").return ?
{
name = "mmap"
retstr = returnstr(2)
}
# mmap2 _________________________________________________
#
# long sys_mmap2(struct mmap_arg_struct __user *arg)
# long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
#
probe nd_syscall.mmap2 = kprobe.function("sys_mmap2") ?,
kprobe.function("sys32_mmap2") ?,
kprobe.function("SyS_mmap2") ?
{
name = "mmap2"
// if ((probefunc() == "sys_mmap2") || (probefunc() == "SyS_mmap2"))
// argstr = get_mmap_args($arg)
// else
// argstr = get_32mmap_args($arg)
asmlinkage()
if ((probefunc() == "sys_mmap2") || (probefunc() == "SyS_mmap2"))
argstr = get_mmap_args(pointer_arg(1))
else
argstr = get_32mmap_args(pointer_arg(1))
}
probe nd_syscall.mmap2.return = kprobe.function("sys_mmap2").return ?,
kprobe.function("sys32_mmap2").return ?,
kprobe.function("SyS_mmap2").return ?
{
name = "mmap2"
retstr = returnstr(2)
}
# sysctl _____________________________________________________
#
# long sys32_sysctl(struct __sysctl_args32 __user *args)
#
probe nd_syscall.sysctl32 = kprobe.function("sys32_sysctl") ?
{
name = "sysctl"
// argstr = sprintf("%p", $args)
asmlinkage()
argstr = sprintf("%p", pointer_arg(1))
}
probe nd_syscall.sysctl32.return = kprobe.function("sys32_sysctl").return ?
{
name = "sysctl"
retstr = returnstr(1)
}
/* compat */
function get_32mmap_args:string (args:long)
%{ /* pure */
struct mmap_arg_struct_emu31 {
u32 addr;
u32 len;
u32 prot;
u32 flags;
u32 fd;
u32 offset;
}a;
char proto[60];
char flags[256];
if(_stp_copy_from_user((char *)&a,
(char *)THIS->args, sizeof(a))== 0){
/* _mprotect_prot_str */
proto[0] = '\0';
if(a.prot){
if(a.prot & 1) strcat (proto, "PROT_READ|");
if(a.prot & 2) strcat (proto, "PROT_WRITE|");
if(a.prot & 4) strcat (proto, "PROT_EXEC|");
} else {
strcat (proto, "PROT_NONE");
}
if (proto[0] != '\0') proto[strlen(proto)-1] = '\0';
/* _mmap_flags */
flags[0]='\0';
if (a.flags & 1) strcat (flags, "MAP_SHARED|");
if (a.flags & 2) strcat (flags, "MAP_PRIVATE|");
if (a.flags & 0x10) strcat (flags, "MAP_FIXED|");
if (a.flags & 0x20) strcat (flags, "MAP_ANONYMOUS|");
if (a.flags & 0x100) strcat (flags, "MAP_GROWSDOWN|");
if (a.flags & 0x800) strcat (flags, "MAP_DENYWRITE|");
if (a.flags & 0x1000) strcat (flags, "MAP_EXECUTABLE|");
if (a.flags & 0x2000) strcat (flags, "MAP_LOCKED|");
if (a.flags & 0x4000) strcat (flags, "MAP_NORESERVE|");
if (a.flags & 0x8000) strcat (flags, "MAP_POPULATE|");
if (a.flags & 0x10000) strcat (flags, "MAP_NONBLOCK|");
if (flags[0] != '\0') flags[strlen(flags)-1] = '\0';
sprintf(THIS->__retvalue,"0x%x, %d, %s, %s, %d, %d",
a.addr,
a.len,
proto,
flags,
a.fd,
a.offset);
}else{
strlcpy (THIS->__retvalue, "UNKNOWN", MAXSTRINGLEN);
}
%}
%)
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