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systemtap/SystemTap-1.0-new-utrace-api.patch

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Handle UTRACE_API_VERSION 20091216 (Fedora 2.6.32 kernels).
2010-01-08 21:56:13 +00:00
From b8b815b7163b3df61a7364e404a282cb17d775db Mon Sep 17 00:00:00 2001
From: David Smith <dsmith@redhat.com>
Date: Mon, 21 Dec 2009 21:04:36 -0600
Subject: [PATCH] PR11113 fix. Support new utrace API.
* tapset-utrace.cxx (utrace_derived_probe_group::emit_module_decls):
Handles new utrace api.
* runtime/itrace.c (usr_itrace_report_signal): Ditto.
(usr_itrace_report_clone): Ditto.
(usr_itrace_report_death): Ditto.
* runtime/task_finder.c (__stp_utrace_task_finder_report_clone): Ditto.
(__stp_utrace_task_finder_report_exec): Ditto.
(__stap_utrace_task_finder_report_death): Ditto.
(__stp_utrace_task_finder_target_death): Ditto.
(__stp_utrace_task_finder_target_quiesce): Ditto.
(__stp_utrace_task_finder_target_syscall_entry): Ditto.
(__stp_utrace_task_finder_target_syscall_exit): Ditto.
* runtime/uprobes2/uprobes.c (uprobe_report_signal): Ditto.
(uprobe_report_quiesce): Ditto.
(uprobe_report_exit): Ditto.
(uprobe_report_clone): Ditto.
(uprobe_report_exec): Ditto.
---
runtime/itrace.c | 30 ++++++++++++++
runtime/task_finder.c | 94 ++++++++++++++++++++++++++++++++++++++++++++
runtime/uprobes2/uprobes.c | 35 ++++++++++++++--
tapset-utrace.cxx | 4 ++
4 files changed, 159 insertions(+), 4 deletions(-)
diff --git a/runtime/itrace.c b/runtime/itrace.c
index 5b2437a..399bfde 100644
--- a/runtime/itrace.c
+++ b/runtime/itrace.c
@@ -84,11 +84,17 @@ static struct itrace_info *create_itrace_info(
static u32 usr_itrace_report_quiesce(struct utrace_attached_engine *engine,
struct task_struct *tsk)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32 usr_itrace_report_quiesce(u32 action,
+ struct utrace_attached_engine *engine,
+ unsigned long event)
+#else
static u32 usr_itrace_report_quiesce(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
unsigned long event)
#endif
+#endif
{
int status;
struct itrace_info *ui;
@@ -113,6 +119,14 @@ static u32 usr_itrace_report_signal(
const struct k_sigaction *orig_ka,
struct k_sigaction *return_ka)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32 usr_itrace_report_signal(u32 action,
+ struct utrace_attached_engine *engine,
+ struct pt_regs *regs,
+ siginfo_t *info,
+ const struct k_sigaction *orig_ka,
+ struct k_sigaction *return_ka)
+#else
static u32 usr_itrace_report_signal(u32 action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
@@ -121,7 +135,11 @@ static u32 usr_itrace_report_signal(u32 action,
const struct k_sigaction *orig_ka,
struct k_sigaction *return_ka)
#endif
+#endif
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *tsk = current;
+#endif
struct itrace_info *ui;
u32 return_flags;
unsigned long data = 0;
@@ -177,11 +195,18 @@ static u32 usr_itrace_report_clone(
unsigned long clone_flags,
struct task_struct *child)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32 usr_itrace_report_clone(u32 action,
+ struct utrace_attached_engine *engine,
+ unsigned long clone_flags,
+ struct task_struct *child)
+#else
static u32 usr_itrace_report_clone(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *parent, unsigned long clone_flags,
struct task_struct *child)
#endif
+#endif
{
return UTRACE_RESUME;
}
@@ -190,9 +215,14 @@ static u32 usr_itrace_report_clone(enum utrace_resume_action action,
static u32 usr_itrace_report_death(struct utrace_attached_engine *e,
struct task_struct *tsk)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32 usr_itrace_report_death(struct utrace_attached_engine *e,
+ bool group_dead, int signal)
+#else
static u32 usr_itrace_report_death(struct utrace_attached_engine *e,
struct task_struct *tsk, bool group_dead, int signal)
#endif
+#endif
{
struct itrace_info *ui = rcu_dereference(e->data);
WARN_ON(!ui);
diff --git a/runtime/task_finder.c b/runtime/task_finder.c
index e89ac8e..b77fff8 100644
--- a/runtime/task_finder.c
+++ b/runtime/task_finder.c
@@ -107,23 +107,35 @@ static u32
__stp_utrace_task_finder_target_death(struct utrace_attached_engine *engine,
struct task_struct *tsk);
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_target_death(struct utrace_attached_engine *engine,
+ bool group_dead, int signal);
+#else
static u32
__stp_utrace_task_finder_target_death(struct utrace_attached_engine *engine,
struct task_struct *tsk,
bool group_dead, int signal);
#endif
+#endif
#ifdef UTRACE_ORIG_VERSION
static u32
__stp_utrace_task_finder_target_quiesce(struct utrace_attached_engine *engine,
struct task_struct *tsk);
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
static u32
+__stp_utrace_task_finder_target_quiesce(u32 action,
+ struct utrace_attached_engine *engine,
+ unsigned long event);
+#else
__stp_utrace_task_finder_target_quiesce(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
unsigned long event);
#endif
+#endif
#ifdef UTRACE_ORIG_VERSION
static u32
@@ -131,12 +143,19 @@ __stp_utrace_task_finder_target_syscall_entry(struct utrace_attached_engine *eng
struct task_struct *tsk,
struct pt_regs *regs);
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_target_syscall_entry(u32 action,
+ struct utrace_attached_engine *engine,
+ struct pt_regs *regs);
+#else
static u32
__stp_utrace_task_finder_target_syscall_entry(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
struct pt_regs *regs);
#endif
+#endif
#ifdef UTRACE_ORIG_VERSION
static u32
@@ -144,12 +163,19 @@ __stp_utrace_task_finder_target_syscall_exit(struct utrace_attached_engine *engi
struct task_struct *tsk,
struct pt_regs *regs);
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_target_syscall_exit(u32 action,
+ struct utrace_attached_engine *engine,
+ struct pt_regs *regs);
+#else
static u32
__stp_utrace_task_finder_target_syscall_exit(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
struct pt_regs *regs);
#endif
+#endif
static int
stap_register_task_finder_target(struct stap_task_finder_target *new_tgt)
@@ -857,6 +883,13 @@ __stp_utrace_task_finder_report_clone(struct utrace_attached_engine *engine,
unsigned long clone_flags,
struct task_struct *child)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_report_clone(u32 action,
+ struct utrace_attached_engine *engine,
+ unsigned long clone_flags,
+ struct task_struct *child)
+#else
static u32
__stp_utrace_task_finder_report_clone(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
@@ -864,7 +897,11 @@ __stp_utrace_task_finder_report_clone(enum utrace_resume_action action,
unsigned long clone_flags,
struct task_struct *child)
#endif
+#endif
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *parent = current;
+#endif
int rc;
struct mm_struct *mm;
char *mmpath_buf;
@@ -898,6 +935,14 @@ __stp_utrace_task_finder_report_exec(struct utrace_attached_engine *engine,
const struct linux_binprm *bprm,
struct pt_regs *regs)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_report_exec(u32 action,
+ struct utrace_attached_engine *engine,
+ const struct linux_binfmt *fmt,
+ const struct linux_binprm *bprm,
+ struct pt_regs *regs)
+#else
static u32
__stp_utrace_task_finder_report_exec(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
@@ -906,7 +951,11 @@ __stp_utrace_task_finder_report_exec(enum utrace_resume_action action,
const struct linux_binprm *bprm,
struct pt_regs *regs)
#endif
+#endif
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *tsk = current;
+#endif
size_t filelen;
struct list_head *tgt_node;
struct stap_task_finder_target *tgt;
@@ -949,11 +998,17 @@ static u32
stap_utrace_task_finder_report_death(struct utrace_attached_engine *engine,
struct task_struct *tsk)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+stap_utrace_task_finder_report_death(struct utrace_attached_engine *engine,
+ bool group_dead, int signal)
+#else
static u32
stap_utrace_task_finder_report_death(struct utrace_attached_engine *engine,
struct task_struct *tsk,
bool group_dead, int signal)
#endif
+#endif
{
debug_task_finder_detach();
return UTRACE_DETACH;
@@ -964,12 +1019,21 @@ static u32
__stp_utrace_task_finder_target_death(struct utrace_attached_engine *engine,
struct task_struct *tsk)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_target_death(struct utrace_attached_engine *engine,
+ bool group_dead, int signal)
+#else
static u32
__stp_utrace_task_finder_target_death(struct utrace_attached_engine *engine,
struct task_struct *tsk,
bool group_dead, int signal)
#endif
+#endif
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *tsk = current;
+#endif
struct stap_task_finder_target *tgt = engine->data;
if (atomic_read(&__stp_task_finder_state) != __STP_TF_RUNNING) {
@@ -1132,13 +1196,23 @@ static u32
__stp_utrace_task_finder_target_quiesce(struct utrace_attached_engine *engine,
struct task_struct *tsk)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_target_quiesce(u32 action,
+ struct utrace_attached_engine *engine,
+ unsigned long event)
+#else
static u32
__stp_utrace_task_finder_target_quiesce(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
unsigned long event)
#endif
+#endif
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *tsk = current;
+#endif
struct stap_task_finder_target *tgt = engine->data;
int rc;
@@ -1201,13 +1275,23 @@ __stp_utrace_task_finder_target_syscall_entry(struct utrace_attached_engine *eng
struct task_struct *tsk,
struct pt_regs *regs)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_target_syscall_entry(u32 action,
+ struct utrace_attached_engine *engine,
+ struct pt_regs *regs)
+#else
static u32
__stp_utrace_task_finder_target_syscall_entry(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
struct pt_regs *regs)
#endif
+#endif
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *tsk = current;
+#endif
struct stap_task_finder_target *tgt = engine->data;
long syscall_no;
unsigned long args[3] = { 0L };
@@ -1271,13 +1355,23 @@ __stp_utrace_task_finder_target_syscall_exit(struct utrace_attached_engine *engi
struct task_struct *tsk,
struct pt_regs *regs)
#else
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+static u32
+__stp_utrace_task_finder_target_syscall_exit(u32 action,
+ struct utrace_attached_engine *engine,
+ struct pt_regs *regs)
+#else
static u32
__stp_utrace_task_finder_target_syscall_exit(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
struct pt_regs *regs)
#endif
+#endif
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *tsk = current;
+#endif
struct stap_task_finder_target *tgt = engine->data;
unsigned long rv;
struct __stp_tf_map_entry *entry;
diff --git a/runtime/uprobes2/uprobes.c b/runtime/uprobes2/uprobes.c
index 4c3a9c9..02941e2 100644
--- a/runtime/uprobes2/uprobes.c
+++ b/runtime/uprobes2/uprobes.c
@@ -1881,7 +1881,9 @@ static void uprobe_inject_delayed_signals(struct list_head *delayed_signals)
*/
static u32 uprobe_report_signal(u32 action,
struct utrace_attached_engine *engine,
+#if !(defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216))
struct task_struct *tsk,
+#endif
struct pt_regs *regs,
siginfo_t *info,
const struct k_sigaction *orig_ka,
@@ -2129,9 +2131,15 @@ static int utask_quiesce_pending_sigtrap(struct uprobe_task *utask)
* insertions or removals pending. If we're the last thread in this
* process to quiesce, do the insertion(s) and/or removal(s).
*/
-static u32 uprobe_report_quiesce(enum utrace_resume_action action,
+static u32 uprobe_report_quiesce(
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ u32 action,
+ struct utrace_attached_engine *engine,
+#else
+ enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
+#endif
unsigned long event)
{
struct uprobe_task *utask;
@@ -2140,7 +2148,9 @@ static u32 uprobe_report_quiesce(enum utrace_resume_action action,
utask = (struct uprobe_task *)rcu_dereference(engine->data);
BUG_ON(!utask);
+#if !(defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216))
BUG_ON(tsk != current); // guaranteed by utrace 2008
+#endif
if (utask->state == UPTASK_SSTEP)
/*
@@ -2243,8 +2253,14 @@ static void uprobe_cleanup_process(struct uprobe_process *uproc)
*/
static u32 uprobe_report_exit(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
- struct task_struct *tsk, long orig_code, long *code)
+#if !(defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216))
+ struct task_struct *tsk,
+#endif
+ long orig_code, long *code)
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *tsk = current;
+#endif
struct uprobe_task *utask;
struct uprobe_process *uproc;
struct uprobe_probept *ppt;
@@ -2449,10 +2465,15 @@ static int uprobe_fork_uproc(struct uprobe_process *parent_uproc,
*/
static u32 uprobe_report_clone(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
+#if !(defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216))
struct task_struct *parent,
+#endif
unsigned long clone_flags,
struct task_struct *child)
{
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ struct task_struct *parent = current;
+#endif
int len;
struct uprobe_process *uproc;
struct uprobe_task *ptask, *ctask;
@@ -2554,9 +2575,15 @@ done:
* - We have to free up uprobe resources associated with
* this process.
*/
-static u32 uprobe_report_exec(enum utrace_resume_action action,
+static u32 uprobe_report_exec(
+#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)
+ u32 action,
struct utrace_attached_engine *engine,
- struct task_struct *tsk,
+#else
+ enum utrace_resume_action action,
+ struct utrace_attached_engine *engine,
+ struct task_struct *parent,
+#endif
const struct linux_binfmt *fmt,
const struct linux_binprm *bprm,
struct pt_regs *regs)
diff --git a/tapset-utrace.cxx b/tapset-utrace.cxx
index bd668a2..cc4f280 100644
--- a/tapset-utrace.cxx
+++ b/tapset-utrace.cxx
@@ -842,8 +842,12 @@ utrace_derived_probe_group::emit_module_decls (systemtap_session& s)
s.op->newline() << "#ifdef UTRACE_ORIG_VERSION";
s.op->newline() << "static u32 stap_utrace_probe_syscall(struct utrace_attached_engine *engine, struct task_struct *tsk, struct pt_regs *regs) {";
s.op->newline() << "#else";
+ s.op->newline() << "#if defined(UTRACE_API_VERSION) && (UTRACE_API_VERSION >= 20091216)";
+ s.op->newline() << "static u32 stap_utrace_probe_syscall(u32 action, struct utrace_attached_engine *engine, struct pt_regs *regs) {";
+ s.op->newline() << "#else";
s.op->newline() << "static u32 stap_utrace_probe_syscall(enum utrace_resume_action action, struct utrace_attached_engine *engine, struct task_struct *tsk, struct pt_regs *regs) {";
s.op->newline() << "#endif";
+ s.op->newline() << "#endif";
s.op->indent(1);
s.op->newline() << "struct stap_utrace_probe *p = (struct stap_utrace_probe *)engine->data;";
--
1.6.2.5
From 21b6dfed5aefcc09d1445df203627844586e6fda Mon Sep 17 00:00:00 2001
From: David Smith <dsmith@redhat.com>
Date: Mon, 21 Dec 2009 21:29:48 -0600
Subject: [PATCH] Fixed compilation on f11.
* runtime/task_finder.c: Fixed last checkin.
---
runtime/task_finder.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/runtime/task_finder.c b/runtime/task_finder.c
index b77fff8..deccfa7 100644
--- a/runtime/task_finder.c
+++ b/runtime/task_finder.c
@@ -130,6 +130,7 @@ __stp_utrace_task_finder_target_quiesce(u32 action,
struct utrace_attached_engine *engine,
unsigned long event);
#else
+static u32
__stp_utrace_task_finder_target_quiesce(enum utrace_resume_action action,
struct utrace_attached_engine *engine,
struct task_struct *tsk,
--
1.6.2.5
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