%}
/*Get struct inode from struct page*/
-function __p2i :long(page:long) %{ /* pure */
- struct page *page = (struct page *)((long)THIS->page);
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
-
- if (mapping == NULL)
- THIS->__retvalue = 0;
+function __p2i :long(page:long)
+{
+ mapping = page? @cast(page, "page", "kernel")->mapping : 0
+ if (mapping == 0)
+ return 0
else
- THIS->__retvalue = (long)kread(&(mapping->host));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(mapping, "address_space", "kernel")->host
+}
/*Get i_flags from struct page*/
-function __p2i_flag : long (page:long) %{ /* pure */
- struct page *page = (struct page *)((long)THIS->page);
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
- struct inode *host = mapping? kread(&(mapping->host)) : NULL;
-
- if (host == NULL)
- THIS->__retvalue = -1;
+function __p2i_flag : long (page:long)
+{
+ host = __p2i(page)
+ if (host == 0)
+ return -1
else
- THIS->__retvalue = kread(&(host->i_flags));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(host, "inode", "kernel")->i_flags
+}
/*Get i_state from struct page*/
-function __p2i_state :long (page:long) %{ /* pure */
- struct page *page = (struct page *)((long)THIS->page);
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
- struct inode *host = mapping? kread(&(mapping->host)) : NULL;
-
- if (host == NULL)
- THIS->__retvalue = -1;
+function __p2i_state :long (page:long)
+{
+ host = __p2i(page)
+ if (host == 0)
+ return -1
else
- THIS->__retvalue = kread(&(host->i_state));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(host, "inode", "kernel")->i_state
+}
/*Get i_size from struct page*/
-function __p2i_size :long (page:long) %{ /* pure */
- struct page *page = (struct page *)((long)THIS->page);
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
- struct inode *host = mapping? kread(&(mapping->host)) : NULL;
-
- if (host == NULL)
- THIS->__retvalue = -1;
+function __p2i_size :long (page:long)
+{
+ host = __p2i(page)
+ if (host == 0)
+ return -1
else
- THIS->__retvalue = kread(&(host->i_size));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(host, "inode", "kernel")->i_size
+}
/*Get s_flags from struct page*/
-function __p2sb_flag:long (page:long) %{ /* pure */
- struct page *page = (struct page *)((long)THIS->page);
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
- struct inode *host = mapping? kread(&(mapping->host)) : NULL;
- struct super_block *i_sb = host? kread(&(host->i_sb)) : NULL;
-
- if (i_sb == NULL)
- THIS->__retvalue = -1;
+function __p2sb_flag:long (page:long)
+{
+ host = __p2i(page)
+ i_sb = host? @cast(host, "inode", "kernel")->i_sb : 0
+ if (i_sb == 0)
+ return -1
else
- THIS->__retvalue = kread(&(i_sb->s_flags));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(i_sb, "super_block", "kernel")->s_flags
+}
function __d_loff_t :long (ppos :long) %{ /* pure */
loff_t * ppos = (loff_t *) ((long)THIS->ppos);
CATCH_DEREF_FAULT();
%}
-function __file_inode:long (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- if (dentry == NULL)
- THIS->__retvalue = 0;
+function __file_inode:long (file:long)
+{
+%( kernel_v >= "2.6.20" %?
+ dentry = file? @cast(file, "file", "kernel")->f_path->dentry : 0
+%:
+ dentry = file? @cast(file, "file", "kernel")->f_dentry : 0
+%)
+ if (dentry == 0)
+ return 0
else
- THIS->__retvalue = (long)kread(&(dentry->d_inode));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(dentry, "dentry", "kernel")->d_inode
+}
-function __file_id:long (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- if (dentry == NULL)
- THIS->__retvalue = 0;
+function __file_id:long (file:long)
+{
+ d_inode = __file_inode(file)
+ if (d_inode == 0)
+ return 0
else {
- struct inode *d_inode = kread(&(dentry->d_inode));
- struct super_block *i_sb = kread(&(d_inode->i_sb));
- THIS->__retvalue = (long)&(i_sb->s_id);
+ i_sb = @cast(d_inode, "inode", "kernel")->i_sb
+ return @cast(i_sb, "super_block", "kernel")->s_id
}
- CATCH_DEREF_FAULT();
-%}
+}
-function __file_mode:long (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- if (dentry == NULL)
- THIS->__retvalue = 0;
- else {
- struct inode *d_inode = kread(&(dentry->d_inode));
- THIS->__retvalue = kread(&(d_inode->i_mode));
- }
- CATCH_DEREF_FAULT();
-%}
+function __file_mode:long (file:long)
+{
+ d_inode = __file_inode(file)
+ if (d_inode == 0)
+ return 0
+ else
+ return @cast(d_inode, "inode", "kernel")->i_mode
+}
-function __file_parentname:string (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- struct dentry *d_parent = dentry? kread(&(dentry->d_parent)) : NULL;
- if (d_parent == NULL)
- strlcpy(THIS->__retvalue, "NULL", MAXSTRINGLEN);
+function __file_parentname:string (file:long)
+{
+%( kernel_v >= "2.6.20" %?
+ dentry = file? @cast(file, "file", "kernel")->f_path->dentry : 0
+%:
+ dentry = file? @cast(file, "file", "kernel")->f_dentry : 0
+%)
+ d_parent = dentry? @cast(dentry, "dentry", "kernel")->d_parent : 0
+ if (d_parent == 0)
+ return "NULL"
else {
- const unsigned char *name = kread(&(d_parent->d_name.name));
- deref_string(THIS->__retvalue, name, MAXSTRINGLEN);
+ name = @cast(d_parent, "dentry", "kernel")->d_name->name
+ return kernel_string(name)
}
- CATCH_DEREF_FAULT();
-%}
+}
/*
* Combination of generic_segment_checks and iov_length functions
*****************************************************************/
function xid_from_clnt:long(clnt:long)
-%{ /* pure */
- struct rpc_clnt *clnt = (struct rpc_clnt *)(long)THIS->clnt;
- if (clnt == NULL)
- THIS->__retvalue = 0;
+{
+ if (clnt == 0)
+ return 0
else {
- struct rpc_xprt *cl_xprt = kread(&(clnt->cl_xprt));
- THIS->__retvalue = kread(&(cl_xprt->xid));
+ cl_xprt = @cast(clnt, "rpc_clnt", "kernel")->cl_xprt
+ return @cast(cl_xprt, "rpc_xprt", "kernel")->xid
}
- CATCH_DEREF_FAULT();
-%}
+}
function prog_from_clnt:long(clnt:long)
-%{ /* pure */
- struct rpc_clnt *clnt = (struct rpc_clnt *)(long)THIS->clnt;
- if (clnt == NULL)
- THIS->__retvalue = 0;
+{
+ if (clnt == 0)
+ return 0
else {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
- THIS->__retvalue = kread(&(clnt->cl_prog));
-#else
- struct rpc_portmap *cl_pmap = kread(&(clnt->cl_pmap));
- THIS->__retvalue = kread(&(cl_pmap->pm_prog));
-#endif
+%(kernel_v >= "2.6.19" %?
+ return @cast(clnt, "rpc_clnt", "kernel")->cl_prog
+%:
+ cl_pmap = @cast(clnt, "rpc_clnt", "kernel")->cl_pmap
+ return @cast(cl_pmap, "rpc_portmap", "kernel")->pm_prog
+%)
}
- CATCH_DEREF_FAULT();
-%}
+}
function vers_from_clnt:long(clnt:long)
-%{ /* pure */
- struct rpc_clnt *clnt = (struct rpc_clnt *)(long)THIS->clnt;
- if (clnt == NULL)
- THIS->__retvalue = 0;
- else {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,19)
- THIS->__retvalue = kread(&(clnt->cl_vers));
-#else
- struct rpc_portmap *cl_pmap = kread(&(clnt->cl_pmap));
- THIS->__retvalue = kread(&(cl_pmap->pm_vers));
-#endif
- }
- CATCH_DEREF_FAULT();
-%}
+{
+ if (clnt == 0)
+ return 0
+ else {
+%(kernel_v >= "2.6.19" %?
+ return @cast(clnt, "rpc_clnt", "kernel")->cl_vers
+%:
+ cl_pmap = @cast(clnt, "rpc_clnt", "kernel")->cl_pmap
+ return @cast(cl_pmap, "rpc_portmap", "kernel")->pm_vers
+%)
+ }
+}
function prot_from_clnt:long(clnt:long)
-%{ /* pure */
- struct rpc_clnt *clnt = (struct rpc_clnt *)(long)THIS->clnt;
- if (clnt == NULL)
- THIS->__retvalue = 0;
- else {
- struct rpc_xprt *cl_xprt = kread(&(clnt->cl_xprt));
- THIS->__retvalue = kread(&(cl_xprt->prot));
- }
- CATCH_DEREF_FAULT();
-%}
+{
+ if (clnt == 0)
+ return 0
+ else {
+ cl_xprt = @cast(clnt, "rpc_clnt", "kernel")->cl_xprt
+ return @cast(cl_xprt, "rpc_xprt", "kernel")->prot
+ }
+}
function port_from_clnt:long(clnt:long)
%{ /* pure */
%}
function proc_from_msg:long(msg:long)
-%{ /* pure */
- struct rpc_message *msg = (struct rpc_message *)(long)THIS->msg;
- if (msg == NULL)
- THIS->__retvalue = 0;
+{
+ if (msg == 0)
+ return 0
else {
- struct rpc_procinfo *rpc_proc = kread(&(msg->rpc_proc));
- THIS->__retvalue = kread(&(rpc_proc->p_proc));
+ rpc_proc = @cast(msg, "rpc_message", "kernel")->rpc_proc
+ return @cast(rpc_proc, "rpc_procinfo", "kernel")->p_proc
}
- CATCH_DEREF_FAULT();
-%}
+}
function vers_from_prog:long(program:long, vers:long)
%{ /* pure */
%}
function get_devstate_from_req:long(var:long)
-%{ /* pure */
- struct request_queue *q = (struct request_queue *)((long)THIS->var);
- struct scsi_device *sdev = (struct scsi_device *)kread(&(q->queuedata));
- THIS->__retvalue = kread(&(sdev->sdev_state));
- CATCH_DEREF_FAULT();
-%}
+{
+ sdev = @cast(var, "request_queue", "kernel")->queuedata
+ return @cast(sdev, "scsi_device", "kernel")->sdev_state
+}
pid_name = kernel_string($t->comm)
}
-function get_sa_flags:long (act:long) %{ /* pure */
- struct k_sigaction *act = (struct k_sigaction *)((long)THIS->act);
- THIS->__retvalue = kread(&act->sa.sa_flags);
- CATCH_DEREF_FAULT();
-%}
+function get_sa_flags:long (act:long)
+{
+ return @cast(act, "k_sigaction", "kernel")->sa->sa_flags
+}
-function get_sa_handler:long (act:long) %{ /* pure */
- struct k_sigaction *act = (struct k_sigaction *)((long)THIS->act);
- THIS->__retvalue = (long)kread(&act->sa.sa_handler);
- CATCH_DEREF_FAULT();
-%}
+function get_sa_handler:long (act:long)
+{
+ return @cast(act, "k_sigaction", "kernel")->sa->sa_handler
+}
// sa_mask contains the set of signals to be blocked when executing the
// signal handler. This function returns a string, delimited by ",".
%}
function _sock_prot_num:long (sock:long)
-%{ /* pure */
- struct socket *sktp = (struct socket *)(long)(THIS->sock);
- struct sock *skp = sktp? kread(&(sktp->sk)) : NULL;
- if (skp == NULL)
- THIS->__retvalue = -1;
+{
+ skp = sock? @cast(sock, "socket", "kernel")->sk : 0
+ if (skp == 0)
+ return -1
else
- THIS->__retvalue = kread(&(skp->sk_protocol));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(skp, "sock", "kernel")->sk_protocol
+}
function _sock_fam_num:long (sock:long)
-%{ /* pure */
- struct socket *sockp = (struct socket *)(long)(THIS->sock);
- const struct proto_ops *ops = sockp? kread(&(sockp->ops)) : NULL;
- if (ops == NULL)
- THIS->__retvalue = -1;
+{
+ ops = sock? @cast(sock, "socket", "kernel")->ops : 0
+ if (ops == 0)
+ return -1
else
- THIS->__retvalue = kread(&(ops->family));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(ops, "proto_ops", "kernel")->family
+}
function _sock_state_num:long (sock:long)
-%{ /* pure */
- struct socket *sockp = (struct socket *)(long)(THIS->sock);
- if (sockp == NULL)
- THIS->__retvalue = -1;
+{
+ if (sock == 0)
+ return -1
else
- THIS->__retvalue = kread(&(sockp->state));
- CATCH_DEREF_FAULT();
-%}
+ return @cast(sock, "socket", "kernel")->state
+}
function _sock_type_num:long (sock:long)
-%{ /* pure */
- struct socket *sockp = (struct socket *)(long)(THIS->sock);
- if (sockp == NULL)
- THIS->__retvalue = -1;
- else
- THIS->__retvalue = kread(&(sockp->type));
- CATCH_DEREF_FAULT();
-%}
+{
+ if (sock == 0)
+ return -1
+ else
+ return @cast(sock, "socket", "kernel")->type
+}
function _sock_flags_num:long (sock:long)
-%{ /* pure */
- struct socket *sockp = (struct socket *)(long)(THIS->sock);
- if (sockp == NULL)
- THIS->__retvalue = -1;
- else
- THIS->__retvalue = kread(&(sockp->flags));
- CATCH_DEREF_FAULT();
-%}
+{
+ if (sock == 0)
+ return -1
+ else
+ return @cast(sock, "socket", "kernel")->flags
+}
// TASK_TRACED 8
// EXIT_ZOMBIE 16
// EXIT_DEAD 32
-function task_state:long (task:long) %{ /* pure */
- struct task_struct *t = (struct task_struct *)(long)THIS->task;
- THIS->__retvalue = kread(&(t->state));
- CATCH_DEREF_FAULT();
-%}
+function task_state:long (task:long)
+{
+ return @cast(task, "task_struct", "kernel")->state
+}
// Return the name of the given task
-function task_execname:string (task:long) %{ /* pure */
- struct task_struct *t = (struct task_struct *)(long)THIS->task;
- deref_string(THIS->__retvalue, t->comm, MAXSTRINGLEN);
- CATCH_DEREF_FAULT();
-%}
+function task_execname:string (task:long)
+{
+ return kernel_string(@cast(task, "task_struct", "kernel")->comm)
+}
// Return the process id of the given task
-function task_pid:long (task:long) %{ /* pure */
- struct task_struct *t = (struct task_struct *)(long)THIS->task;
- THIS->__retvalue = kread(&(t->tgid));
- CATCH_DEREF_FAULT();
-%}
+function task_pid:long (task:long)
+{
+ return @cast(task, "task_struct", "kernel")->tgid
+}
// Return the thread id of the given task
-function task_tid:long (task:long) %{ /* pure */
- struct task_struct *t = (struct task_struct *)(long)THIS->task;
- THIS->__retvalue = kread(&(t->pid));
- CATCH_DEREF_FAULT();
-%}
+function task_tid:long (task:long)
+{
+ return @cast(task, "task_struct", "kernel")->pid
+}
// Return the group id of the given task
// Return the scheduled cpu for the given task
function task_cpu:long (task:long)
+{
%( kernel_v >= "2.6.22" %?
-%{ /* pure */
- struct task_struct *t = (struct task_struct *)(long)THIS->task;
- struct thread_info *ti = kread(&(t->stack));
- THIS->__retvalue = kread(&(ti->cpu));
- CATCH_DEREF_FAULT();
-%}
+ ti = @cast(task, "task_struct", "kernel")->stack
%:
-%{ /* pure */
- struct task_struct *t = (struct task_struct *)(long)THIS->task;
- struct thread_info *ti = kread(&(t->thread_info));
- THIS->__retvalue = kread(&(ti->cpu));
- CATCH_DEREF_FAULT();
-%}
+ ti = @cast(task, "task_struct", "kernel")->thread_info
%)
-
+ return @cast(ti, "thread_info", "kernel")->cpu
+}
// Return the number of open file handlers for the given task
function task_open_file_handles:long (task:long)
CATCH_DEREF_FAULT();
%}
-function __page_ino:long (page:long) %{ /* pure */
- struct page *page = (struct page *)(long)THIS->page;
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
- if (mapping == NULL) {
- THIS->__retvalue = -1;
- } else {
- struct inode *host = kread(&(mapping->host));
- THIS->__retvalue = kread(&(host->i_ino));
- }
- CATCH_DEREF_FAULT();
-%}
-
-function __address_inode:long (page:long) %{ /* pure */
- struct page *page = (struct page *)(long)THIS->page;
- struct address_space *mapping = kread(&(page->mapping));
- if (mapping == NULL) {
- THIS->__retvalue = -1;
- } else {
- THIS->__retvalue = (long)kread(&(mapping->host));
- }
- CATCH_DEREF_FAULT();
-%}
+function __address_inode:long (page:long)
+{
+ mapping = page? @cast(page, "page", "kernel")->mapping : 0
+ if (mapping == 0)
+ return -1
+ else
+ return @cast(mapping, "address_space", "kernel")->host
+}
-function __page_dev:long (page:long) %{ /* pure */
- struct page *page = (struct page *)(long)THIS->page;
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
- if (mapping == NULL) {
- THIS->__retvalue = -1;
- } else {
- struct inode *host = kread(&(mapping->host));
- struct super_block *i_sb = kread(&(host->i_sb));
- THIS->__retvalue = kread(&(i_sb->s_dev));
- }
- CATCH_DEREF_FAULT();
-%}
+function __page_ino:long (page:long)
+{
+ host = __address_inode(page)
+ if (host == -1)
+ return -1
+ else
+ return @cast(host, "inode", "kernel")->i_ino
+}
-function __page_bdev:long (page:long) %{ /* pure */
- struct page *page = (struct page *)(long)THIS->page;
- struct address_space *mapping = page? kread(&(page->mapping)) : NULL;
- if (mapping == NULL) {
- THIS->__retvalue = 0;
- } else {
- struct inode *host = kread(&(mapping->host));
- struct super_block *i_sb = kread(&(host->i_sb));
- THIS->__retvalue = (long)kread(&(i_sb->s_bdev));
+function __page_dev:long (page:long)
+{
+ host = __address_inode(page)
+ if (host == -1)
+ return -1
+ else {
+ i_sb = @cast(host, "inode", "kernel")->i_sb
+ return @cast(i_sb, "super_block", "kernel")->s_dev
}
- CATCH_DEREF_FAULT();
-%}
+}
-function __page_index:long (page:long) %{ /* pure */
- struct page *page = (struct page *)(long)THIS->page;
- THIS->__retvalue = (long)kread(&(page->index));
- CATCH_DEREF_FAULT();
-%}
+function __page_bdev:long (page:long)
+{
+ host = __address_inode(page)
+ if (host == -1)
+ return 0
+ else {
+ i_sb = @cast(host, "inode", "kernel")->i_sb
+ return @cast(i_sb, "super_block", "kernel")->s_bdev
+ }
+}
-function __file_dev:long (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- if (dentry == NULL) {
- THIS->__retvalue = 0;
- } else {
- struct inode *d_inode = kread(&(dentry->d_inode));
- struct super_block *i_sb = kread(&(d_inode->i_sb));
- THIS->__retvalue = kread(&(i_sb->s_dev));
- }
- CATCH_DEREF_FAULT();
-%}
+function __page_index:long (page:long)
+{
+ return @cast(page, "page", "kernel")->index
+}
-function __file_bdev:long (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- if (dentry == NULL) {
- THIS->__retvalue = 0;
- } else {
- struct inode *d_inode = kread(&(dentry->d_inode));
- struct super_block *i_sb = kread(&(d_inode->i_sb));
- THIS->__retvalue = (long)kread(&(i_sb->s_bdev));
+function __file_dev:long (file:long)
+{
+ d_inode = __file_inode(file)
+ if (d_inode == 0)
+ return 0
+ else {
+ i_sb = @cast(d_inode, "inode", "kernel")->i_sb
+ return @cast(i_sb, "super_block", "kernel")->s_dev
}
- CATCH_DEREF_FAULT();
-%}
+}
-function __file_ino:long (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- if (dentry == NULL) {
- THIS->__retvalue = 0;
- } else {
- struct inode *d_inode = kread(&(dentry->d_inode));
- THIS->__retvalue = kread(&(d_inode->i_ino));
- }
- CATCH_DEREF_FAULT();
-%}
+function __file_bdev:long (file:long)
+{
+ d_inode = __file_inode(file)
+ if (d_inode == 0)
+ return 0
+ else {
+ i_sb = @cast(d_inode, "inode", "kernel")->i_sb
+ return @cast(i_sb, "super_block", "kernel")->s_bdev
+ }
+}
-function __file_maxbytes:long (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- if (dentry == NULL) {
- THIS->__retvalue = 0;
- } else {
- struct inode *d_inode = kread(&(dentry->d_inode));
- struct super_block *i_sb = kread(&(d_inode->i_sb));
- THIS->__retvalue = kread(&(i_sb->s_maxbytes));
- }
- CATCH_DEREF_FAULT();
-%}
+function __file_ino:long (file:long)
+{
+ d_inode = __file_inode(file)
+ if (d_inode == 0)
+ return 0
+ else
+ return @cast(d_inode, "inode", "kernel")->i_ino
+}
-function __file_filename:string (file:long) %{ /* pure */
- struct file *file = (struct file *)(long)THIS->file;
- struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL;
- const unsigned char *name = dentry? kread(&(dentry->d_name.name)) : NULL;
- if (name == NULL) {
- strlcpy(THIS->__retvalue, "NULL", MAXSTRINGLEN);
- } else {
- deref_string(THIS->__retvalue, name, MAXSTRINGLEN);
- }
- CATCH_DEREF_FAULT();
-%}
+function __file_maxbytes:long (file:long)
+{
+ d_inode = __file_inode(file)
+ if (d_inode == 0)
+ return 0
+ else {
+ i_sb = @cast(d_inode, "inode", "kernel")->i_sb
+ return @cast(i_sb, "super_block", "kernel")->s_maxbytes
+ }
+}
-function __inode_num:long(file:long)
-%{
- struct file *file = NULL;
- struct dentry *dentry = NULL;
- struct inode *inode = NULL;
-
- file = (struct file *)(long)THIS->file;
- dentry = file? kread(&(file->f_dentry)) : NULL;
- inode = dentry? kread(&(dentry->d_inode)) : NULL;
- THIS->__retvalue = inode? (long)(kread(&(inode->i_ino))) : 0;
- CATCH_DEREF_FAULT();
-%}
+function __file_filename:string (file:long)
+{
+%( kernel_v >= "2.6.20" %?
+ dentry = file? @cast(file, "file", "kernel")->f_path->dentry : 0
+%:
+ dentry = file? @cast(file, "file", "kernel")->f_dentry : 0
+%)
+ name = dentry? @cast(dentry, "dentry", "kernel")->d_name->name : 0
+ if (name == 0)
+ return "NULL"
+ else
+ return kernel_string(name)
+}
function _get_fopv_size:long (iov:long, nr_segs:long)
%{
git://sourceware.org / systemtap.git / commitdiff