/* Low level interface for debugging AIX 4.3+ pthreads.
- Copyright (C) 1999-2016 Free Software Foundation, Inc.
+ Copyright (C) 1999-2018 Free Software Foundation, Inc.
Written by Nick Duffek <nsd@redhat.com>.
This file is part of GDB.
#include "regcache.h"
#include "gdbcmd.h"
#include "ppc-tdep.h"
-#include "observer.h"
+#include "observable.h"
#include "objfiles.h"
#include <procinfo.h>
/* Private data attached to each element in GDB's thread list. */
-struct private_thread_info {
+struct aix_thread_info : public private_thread_info
+{
pthdb_pthread_t pdtid; /* thread's libpthdebug id */
pthdb_tid_t tid; /* kernel thread id */
};
+/* Return the aix_thread_info attached to THREAD. */
+
+static aix_thread_info *
+get_aix_thread_info (thread_info *thread)
+{
+ return static_cast<aix_thread_info *> (thread->priv.get ());
+}
+
/* Information about a thread of which libpthdebug is aware. */
struct pd_thread {
/* Return a printable representation of pthdebug function return
STATUS. */
-static char *
+static const char *
pd_status2str (int status)
{
switch (status)
}
else if (gi == gcount)
{
- thread = add_thread (ptid_build (infpid, 0, pbuf[pi].pthid));
- thread->priv = XNEW (struct private_thread_info);
- thread->priv->pdtid = pbuf[pi].pdtid;
- thread->priv->tid = pbuf[pi].tid;
+ aix_thread_info *priv = new aix_thread_info;
+ priv->pdtid = pbuf[pi].pdtid;
+ priv->tid = pbuf[pi].tid;
+
+ thread = add_thread_with_info (ptid_t (infpid, 0, pbuf[pi].pthid), priv);
+
pi++;
}
else
if (cmp_result == 0)
{
- gbuf[gi]->priv->pdtid = pdtid;
- gbuf[gi]->priv->tid = tid;
+ aix_thread_info *priv = get_aix_thread_info (gbuf[gi]);
+
+ priv->pdtid = pdtid;
+ priv->tid = tid;
pi++;
gi++;
}
else
{
thread = add_thread (pptid);
- thread->priv = XNEW (struct private_thread_info);
- thread->priv->pdtid = pdtid;
- thread->priv->tid = tid;
+
+ aix_thread_info *priv = new aix_thread_info;
+ thread->priv.reset (priv);
+ priv->pdtid = pdtid;
+ priv->tid = tid;
pi++;
}
}
iter_tid (struct thread_info *thread, void *tidp)
{
const pthdb_tid_t tid = *(pthdb_tid_t *)tidp;
+ aix_thread_info *priv = get_aix_thread_info (thread);
- return (thread->priv->tid == tid);
+ return priv->tid == tid;
}
/* Synchronize libpthdebug's state with the inferior and with GDB,
/* Detach from the process attached to by aix_thread_attach(). */
static void
-aix_thread_detach (struct target_ops *ops, const char *args, int from_tty)
+aix_thread_detach (struct target_ops *ops, inferior *inf, int from_tty)
{
struct target_ops *beneath = find_target_beneath (ops);
pd_disable ();
- beneath->to_detach (beneath, args, from_tty);
+ beneath->to_detach (beneath, inf, from_tty);
}
/* Tell the inferior process to continue running thread PID if != -1
if (!PD_TID (ptid))
{
- struct cleanup *cleanup = save_inferior_ptid ();
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
struct target_ops *beneath = find_target_beneath (ops);
inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
beneath->to_resume (beneath, ptid, step, sig);
- do_cleanups (cleanup);
}
else
{
error (_("aix-thread resume: unknown pthread %ld"),
ptid_get_lwp (ptid));
- tid[0] = thread->priv->tid;
+ aix_thread_info *priv = get_aix_thread_info (thread);
+
+ tid[0] = priv->tid;
if (tid[0] == PTHDB_INVALID_TID)
error (_("aix-thread resume: no tid for pthread %ld"),
ptid_get_lwp (ptid));
aix_thread_wait (struct target_ops *ops,
ptid_t ptid, struct target_waitstatus *status, int options)
{
- struct cleanup *cleanup = save_inferior_ptid ();
struct target_ops *beneath = find_target_beneath (ops);
- pid_to_prc (&ptid);
+ {
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
- ptid = beneath->to_wait (beneath, ptid, status, options);
- do_cleanups (cleanup);
+ pid_to_prc (&ptid);
+
+ inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
+ ptid = beneath->to_wait (beneath, ptid, status, options);
+ }
if (ptid_get_pid (ptid) == -1)
return pid_to_ptid (-1);
&& status->value.sig == GDB_SIGNAL_TRAP)
{
struct regcache *regcache = get_thread_regcache (ptid);
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
if (regcache_read_pc (regcache)
- gdbarch_decr_pc_after_break (gdbarch) == pd_brk_addr)
static void
supply_gprs64 (struct regcache *regcache, uint64_t *vals)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
+ struct gdbarch_tdep *tdep = gdbarch_tdep (regcache->arch ());
int regno;
for (regno = 0; regno < ppc_num_gprs; regno++)
static void
supply_fprs (struct regcache *regcache, double *vals)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int regno;
uint64_t lr, uint64_t ctr, uint32_t xer,
uint32_t fpscr)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
regcache_raw_supply (regcache, gdbarch_pc_regnum (gdbarch),
uint32_t lr, uint32_t ctr, uint32_t xer,
uint32_t fpscr)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
regcache_raw_supply (regcache, gdbarch_pc_regnum (gdbarch),
static void
fetch_regs_user_thread (struct regcache *regcache, pthdb_pthread_t pdtid)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int status, i;
pthdb_context_t ctx;
fetch_regs_kernel_thread (struct regcache *regcache, int regno,
pthdb_tid_t tid)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
uint64_t gprs64[ppc_num_gprs];
uint32_t gprs32[ppc_num_gprs];
}
}
-/* Fetch register REGNO if != -1 or all registers otherwise in the
- thread/process specified by inferior_ptid. */
+/* Fetch register REGNO if != -1 or all registers otherwise from the
+ thread/process connected to REGCACHE. */
static void
aix_thread_fetch_registers (struct target_ops *ops,
pthdb_tid_t tid;
struct target_ops *beneath = find_target_beneath (ops);
- if (!PD_TID (inferior_ptid))
+ if (!PD_TID (regcache_get_ptid (regcache)))
beneath->to_fetch_registers (beneath, regcache, regno);
else
{
- thread = find_thread_ptid (inferior_ptid);
- tid = thread->priv->tid;
+ thread = find_thread_ptid (regcache_get_ptid (regcache));
+ aix_thread_info *priv = get_aix_thread_info (thread);
+ tid = priv->tid;
if (tid == PTHDB_INVALID_TID)
- fetch_regs_user_thread (regcache, thread->priv->pdtid);
+ fetch_regs_user_thread (regcache, priv->pdtid);
else
fetch_regs_kernel_thread (regcache, regno, tid);
}
static void
fill_gprs64 (const struct regcache *regcache, uint64_t *vals)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
+ struct gdbarch_tdep *tdep = gdbarch_tdep (regcache->arch ());
int regno;
for (regno = 0; regno < ppc_num_gprs; regno++)
static void
fill_gprs32 (const struct regcache *regcache, uint32_t *vals)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
+ struct gdbarch_tdep *tdep = gdbarch_tdep (regcache->arch ());
int regno;
for (regno = 0; regno < ppc_num_gprs; regno++)
static void
fill_fprs (const struct regcache *regcache, double *vals)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int regno;
uint64_t *lr, uint64_t *ctr, uint32_t *xer,
uint32_t *fpscr)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Verify that the size of the size of the IAR buffer is the
uint32_t *lr, uint32_t *ctr, uint32_t *xer,
uint32_t *fpscr)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Verify that the size of the size of the IAR buffer is the
static void
store_regs_user_thread (const struct regcache *regcache, pthdb_pthread_t pdtid)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int status, i;
pthdb_context_t ctx;
store_regs_kernel_thread (const struct regcache *regcache, int regno,
pthdb_tid_t tid)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
uint64_t gprs64[ppc_num_gprs];
uint32_t gprs32[ppc_num_gprs];
}
/* Store gdb's current view of the register set into the
- thread/process specified by inferior_ptid. */
+ thread/process connected to REGCACHE. */
static void
aix_thread_store_registers (struct target_ops *ops,
pthdb_tid_t tid;
struct target_ops *beneath = find_target_beneath (ops);
- if (!PD_TID (inferior_ptid))
+ if (!PD_TID (regcache_get_ptid (regcache)))
beneath->to_store_registers (beneath, regcache, regno);
else
{
- thread = find_thread_ptid (inferior_ptid);
- tid = thread->priv->tid;
+ thread = find_thread_ptid (regcache_get_ptid (regcache));
+ aix_thread_info *priv = get_aix_thread_info (thread);
+ tid = priv->tid;
if (tid == PTHDB_INVALID_TID)
- store_regs_user_thread (regcache, thread->priv->pdtid);
+ store_regs_user_thread (regcache, priv->pdtid);
else
store_regs_kernel_thread (regcache, regno, tid);
}
const gdb_byte *writebuf,
ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)
{
- struct cleanup *old_chain = save_inferior_ptid ();
- enum target_xfer_status xfer;
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
struct target_ops *beneath = find_target_beneath (ops);
inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
- xfer = beneath->to_xfer_partial (beneath, object, annex, readbuf,
+ return beneath->to_xfer_partial (beneath, object, annex, readbuf,
writebuf, offset, len, xfered_len);
-
- do_cleanups (old_chain);
- return xfer;
}
/* Clean up after the inferior exits. */
/* Return a printable representation of composite PID for use in
"info threads" output. */
-static char *
+static const char *
aix_thread_pid_to_str (struct target_ops *ops, ptid_t ptid)
{
static char *ret = NULL;
/* Return a printable representation of extra information about
THREAD, for use in "info threads" output. */
-static char *
+static const char *
aix_thread_extra_thread_info (struct target_ops *self,
struct thread_info *thread)
{
- struct ui_file *buf;
int status;
pthdb_pthread_t pdtid;
pthdb_tid_t tid;
if (!PD_TID (thread->ptid))
return NULL;
- buf = mem_fileopen ();
+ string_file buf;
+ aix_thread_info *priv = get_aix_thread_info (thread);
- pdtid = thread->priv->pdtid;
- tid = thread->priv->tid;
+ pdtid = priv->pdtid;
+ tid = priv->tid;
if (tid != PTHDB_INVALID_TID)
/* i18n: Like "thread-identifier %d, [state] running, suspended" */
- fprintf_unfiltered (buf, _("tid %d"), (int)tid);
+ buf.printf (_("tid %d"), (int)tid);
status = pthdb_pthread_state (pd_session, pdtid, &state);
if (status != PTHDB_SUCCESS)
state = PST_NOTSUP;
- fprintf_unfiltered (buf, ", %s", state2str (state));
+ buf.printf (", %s", state2str (state));
status = pthdb_pthread_suspendstate (pd_session, pdtid,
&suspendstate);
if (status == PTHDB_SUCCESS && suspendstate == PSS_SUSPENDED)
/* i18n: Like "Thread-Id %d, [state] running, suspended" */
- fprintf_unfiltered (buf, _(", suspended"));
+ buf.printf (_(", suspended"));
status = pthdb_pthread_detachstate (pd_session, pdtid,
&detachstate);
if (status == PTHDB_SUCCESS && detachstate == PDS_DETACHED)
/* i18n: Like "Thread-Id %d, [state] running, detached" */
- fprintf_unfiltered (buf, _(", detached"));
+ buf.printf (_(", detached"));
pthdb_pthread_cancelpend (pd_session, pdtid, &cancelpend);
if (status == PTHDB_SUCCESS && cancelpend)
/* i18n: Like "Thread-Id %d, [state] running, cancel pending" */
- fprintf_unfiltered (buf, _(", cancel pending"));
+ buf.printf (_(", cancel pending"));
- ui_file_write (buf, "", 1);
+ buf.write ("", 1);
xfree (ret); /* Free old buffer. */
- ret = ui_file_xstrdup (buf, NULL);
- ui_file_delete (buf);
+ ret = xstrdup (buf.c_str ());
return ret;
}
/* Module startup initialization function, automagically called by
init.c. */
-void _initialize_aix_thread (void);
-
void
_initialize_aix_thread (void)
{
complete_target_initialization (&aix_thread_ops);
/* Notice when object files get loaded and unloaded. */
- observer_attach_new_objfile (new_objfile);
+ gdb::observers::new_objfile.attach (new_objfile);
/* Add ourselves to inferior_created event chain.
This is needed to enable the thread target on "attach". */
- observer_attach_inferior_created (aix_thread_inferior_created);
+ gdb::observers::inferior_created.attach (aix_thread_inferior_created);
add_setshow_boolean_cmd ("aix-thread", class_maintenance, &debug_aix_thread,
_("Set debugging of AIX thread module."),
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