/* Low level interface for debugging AIX 4.3+ pthreads.
- Copyright (C) 1999, 2000, 2002, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1999-2017 Free Software Foundation, Inc.
Written by Nick Duffek <nsd@redhat.com>.
This file is part of GDB.
*/
#include "defs.h"
-#include "gdb_assert.h"
#include "gdbthread.h"
#include "target.h"
#include "inferior.h"
#include "regcache.h"
#include "gdbcmd.h"
#include "ppc-tdep.h"
-#include "gdb_string.h"
#include "observer.h"
+#include "objfiles.h"
#include <procinfo.h>
#include <sys/types.h>
#include <sched.h>
#include <sys/pthdebug.h>
+#if !HAVE_DECL_GETTHRDS
+extern int getthrds (pid_t, struct thrdsinfo64 *, int, tid_t *, int);
+#endif
+
/* Whether to emit debugging output. */
static int debug_aix_thread;
#define PD_TID(ptid) (pd_active && ptid_get_tid (ptid) != 0)
-/* Build a thread ptid. */
-#define BUILD_THREAD(TID, PID) ptid_build (PID, 0, TID)
-
-/* Build and lwp ptid. */
-#define BUILD_LWP(LWP, PID) MERGEPID (PID, LWP)
-
/* pthdb_user_t value that we pass to pthdb functions. 0 causes
PTHDB_BAD_USER errors, so use 1. */
/* 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 {
static struct target_ops aix_thread_ops;
-/* Copy of the target over which ops is pushed. This is more
- convenient than a pointer to deprecated_child_ops or core_ops,
- because they lack current_target's default callbacks. */
-
-static struct target_ops base_target;
-
/* Address of the function that libpthread will call when libpthdebug
is ready to be initialized. */
/* Return a printable representation of pthdebug function return
STATUS. */
-static char *
+static const char *
pd_status2str (int status)
{
switch (status)
return 0; /* Not reached. */
}
-/* Call ptracex (REQ, ID, ADDR, DATA, BUF). Return success. */
+/* Call ptracex (REQ, ID, ADDR, DATA, BUF) or
+ ptrace64 (REQ, ID, ADDR, DATA, BUF) if HAVE_PTRACE64.
+ Return success. */
+
+#ifdef HAVE_PTRACE64
+# define ptracex(request, pid, addr, data, buf) \
+ ptrace64 (request, pid, addr, data, buf)
+#endif
static int
ptrace64aix (int req, int id, long long addr, int data, int *buf)
return ptrace_check (req, id, ptracex (req, id, addr, data, buf));
}
-/* Call ptrace (REQ, ID, ADDR, DATA, BUF). Return success. */
+/* Call ptrace (REQ, ID, ADDR, DATA, BUF) or
+ ptrace64 (REQ, ID, ADDR, DATA, BUF) if HAVE_PTRACE64.
+ Return success. */
+
+#ifdef HAVE_PTRACE64
+# define ptrace(request, pid, addr, data, buf) \
+ ptrace64 (request, pid, addr, data, buf)
+# define addr_ptr long long
+#else
+# define addr_ptr int *
+#endif
static int
-ptrace32 (int req, int id, int *addr, int data, int *buf)
+ptrace32 (int req, int id, addr_ptr addr, int data, int *buf)
{
errno = 0;
return ptrace_check (req, id,
- ptrace (req, id, (int *) addr, data, buf));
+ ptrace (req, id, addr, data, buf));
}
/* If *PIDP is a composite process/thread id, convert it to a
ptid = *ptidp;
if (PD_TID (ptid))
- *ptidp = pid_to_ptid (PIDGET (ptid));
+ *ptidp = pid_to_ptid (ptid_get_pid (ptid));
}
/* pthdb callback: for <i> from 0 to COUNT, set SYMBOLS[<i>].addr to
static int
pdc_symbol_addrs (pthdb_user_t user, pthdb_symbol_t *symbols, int count)
{
- struct minimal_symbol *ms;
+ struct bound_minimal_symbol ms;
int i;
char *name;
symbols[i].addr = 0;
else
{
- if (!(ms = lookup_minimal_symbol (name, NULL, NULL)))
+ ms = lookup_minimal_symbol (name, NULL, NULL);
+ if (ms.minsym == NULL)
{
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog, " returning PDC_FAILURE\n");
return PDC_FAILURE;
}
- symbols[i].addr = SYMBOL_VALUE_ADDRESS (ms);
+ symbols[i].addr = BMSYMBOL_VALUE_ADDRESS (ms);
}
if (debug_aix_thread)
fprintf_unfiltered (gdb_stdlog, " symbols[%d].addr = %s\n",
}
else
{
- if (!ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL))
+ if (!ptrace32 (PTT_READ_GPRS, tid, (uintptr_t) gprs32, 0, NULL))
memset (gprs32, 0, sizeof (gprs32));
memcpy (context->gpr, gprs32, sizeof(gprs32));
}
/* Floating-point registers. */
if (flags & PTHDB_FLAG_FPRS)
{
- if (!ptrace32 (PTT_READ_FPRS, tid, (int *) fprs, 0, NULL))
+ if (!ptrace32 (PTT_READ_FPRS, tid, (uintptr_t) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
memcpy (context->fpr, fprs, sizeof(fprs));
}
}
else
{
- if (!ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL))
+ if (!ptrace32 (PTT_READ_SPRS, tid, (uintptr_t) &sprs32, 0, NULL))
memset (&sprs32, 0, sizeof (sprs32));
memcpy (&context->msr, &sprs32, sizeof(sprs32));
}
}
/* Write register function should be able to write requested context
- information to specified debuggee's kernel thread id.
+ information to specified debuggee's kernel thread id.
If successful return 0, else non-zero is returned. */
static int
ptrace64aix (PTT_WRITE_GPRS, tid,
(unsigned long) context->gpr, 0, NULL);
else
- ptrace32 (PTT_WRITE_GPRS, tid, (int *) context->gpr, 0, NULL);
+ ptrace32 (PTT_WRITE_GPRS, tid, (uintptr_t) context->gpr, 0, NULL);
}
/* Floating-point registers. */
if (flags & PTHDB_FLAG_FPRS)
{
- ptrace32 (PTT_WRITE_FPRS, tid, (int *) context->fpr, 0, NULL);
+ ptrace32 (PTT_WRITE_FPRS, tid, (uintptr_t) context->fpr, 0, NULL);
}
/* Special-purpose registers. */
}
else
{
- ptrace32 (PTT_WRITE_SPRS, tid, (int *) &context->msr, 0, NULL);
+ ptrace32 (PTT_WRITE_SPRS, tid, (uintptr_t) &context->msr, 0, NULL);
}
}
return 0;
"pdc_read_data (user = %ld, buf = 0x%lx, addr = %s, len = %ld)\n",
user, (long) buf, hex_string (addr), len);
- status = target_read_memory (addr, buf, len);
+ status = target_read_memory (addr, (gdb_byte *) buf, len);
ret = status == 0 ? PDC_SUCCESS : PDC_FAILURE;
if (debug_aix_thread)
"pdc_write_data (user = %ld, buf = 0x%lx, addr = %s, len = %ld)\n",
user, (long) buf, hex_string (addr), len);
- status = target_write_memory (addr, buf, len);
+ status = target_write_memory (addr, (gdb_byte *) buf, len);
ret = status == 0 ? PDC_SUCCESS : PDC_FAILURE;
if (debug_aix_thread)
return p1->pthid < p2->pthid ? -1 : p1->pthid > p2->pthid;
}
-/* iterate_over_threads() callback for counting GDB threads. */
+/* iterate_over_threads() callback for counting GDB threads.
+
+ Do not count the main thread (whose tid is zero). This matches
+ the list of threads provided by the pthreaddebug library, which
+ does not include that main thread either, and thus allows us
+ to compare the two lists. */
static int
giter_count (struct thread_info *thread, void *countp)
{
- (*(int *) countp)++;
+ if (PD_TID (thread->ptid))
+ (*(int *) countp)++;
return 0;
}
-/* iterate_over_threads() callback for accumulating GDB thread pids. */
+/* iterate_over_threads() callback for accumulating GDB thread pids.
+
+ Do not include the main thread (whose tid is zero). This matches
+ the list of threads provided by the pthreaddebug library, which
+ does not include that main thread either, and thus allows us
+ to compare the two lists. */
static int
giter_accum (struct thread_info *thread, void *bufp)
{
- **(struct thread_info ***) bufp = thread;
- (*(struct thread_info ***) bufp)++;
+ if (PD_TID (thread->ptid))
+ {
+ **(struct thread_info ***) bufp = thread;
+ (*(struct thread_info ***) bufp)++;
+ }
return 0;
}
get_signaled_thread (void)
{
struct thrdsinfo64 thrinf;
- pthdb_tid_t ktid = 0;
+ tid_t ktid = 0;
int result = 0;
- /* getthrds(3) isn't prototyped in any AIX 4.3.3 #include file. */
- extern int getthrds (pid_t, struct thrdsinfo64 *,
- int, pthdb_tid_t *, int);
-
while (1)
{
- if (getthrds (PIDGET (inferior_ptid), &thrinf,
+ if (getthrds (ptid_get_pid (inferior_ptid), &thrinf,
sizeof (thrinf), &ktid, 1) != 1)
break;
pcount = 0;
psize = 1;
- pbuf = (struct pd_thread *) xmalloc (psize * sizeof *pbuf);
+ pbuf = XNEWVEC (struct pd_thread, psize);
for (cmd = PTHDB_LIST_FIRST;; cmd = PTHDB_LIST_NEXT)
{
gcount = 0;
iterate_over_threads (giter_count, &gcount);
- g = gbuf = (struct thread_info **) xmalloc (gcount * sizeof *gbuf);
+ g = gbuf = XNEWVEC (struct thread_info *, gcount);
iterate_over_threads (giter_accum, &g);
qsort (gbuf, gcount, sizeof *gbuf, gcmp);
/* Apply differences between the two arrays to GDB's thread list. */
- infpid = PIDGET (inferior_ptid);
+ infpid = ptid_get_pid (inferior_ptid);
for (pi = gi = 0; pi < pcount || gi < gcount;)
{
if (pi == pcount)
}
else if (gi == gcount)
{
- thread = add_thread (BUILD_THREAD (pbuf[pi].pthid, infpid));
- thread->private = xmalloc (sizeof (struct private_thread_info));
- thread->private->pdtid = pbuf[pi].pdtid;
- thread->private->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
ptid_t pptid, gptid;
int cmp_result;
- pptid = BUILD_THREAD (pbuf[pi].pthid, infpid);
+ pptid = ptid_build (infpid, 0, pbuf[pi].pthid);
gptid = gbuf[gi]->ptid;
pdtid = pbuf[pi].pdtid;
tid = pbuf[pi].tid;
if (cmp_result == 0)
{
- gbuf[gi]->private->pdtid = pdtid;
- gbuf[gi]->private->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->private = xmalloc (sizeof (struct private_thread_info));
- thread->private->pdtid = pdtid;
- thread->private->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->private->tid == tid);
+ return priv->tid == tid;
}
/* Synchronize libpthdebug's state with the inferior and with GDB,
return ptid;
}
-/* Try to start debugging threads in the current process.
+/* Try to start debugging threads in the current process.
If successful and SET_INFPID, set inferior_ptid to reflect the
current thread. */
{
int status;
char *stub_name;
- struct minimal_symbol *ms;
+ struct bound_minimal_symbol ms;
/* Don't initialize twice. */
if (pd_able)
return;
/* Check application word size. */
- arch64 = register_size (current_gdbarch, 0) == 8;
+ arch64 = register_size (target_gdbarch (), 0) == 8;
/* Check whether the application is pthreaded. */
stub_name = NULL;
status = pthdb_session_pthreaded (PD_USER, PTHDB_FLAG_REGS,
&pd_callbacks, &stub_name);
- if ((status != PTHDB_SUCCESS &&
- status != PTHDB_NOT_PTHREADED) || !stub_name)
+ if ((status != PTHDB_SUCCESS
+ && status != PTHDB_NOT_PTHREADED) || !stub_name)
return;
/* Set a breakpoint on the returned stub function. */
- if (!(ms = lookup_minimal_symbol (stub_name, NULL, NULL)))
+ ms = lookup_minimal_symbol (stub_name, NULL, NULL);
+ if (ms.minsym == NULL)
return;
- pd_brk_addr = SYMBOL_VALUE_ADDRESS (ms);
- if (!create_thread_event_breakpoint (pd_brk_addr))
+ pd_brk_addr = BMSYMBOL_VALUE_ADDRESS (ms);
+ if (!create_thread_event_breakpoint (target_gdbarch (), pd_brk_addr))
return;
/* Prepare for thread debugging. */
- base_target = current_target;
push_target (&aix_thread_ops);
pd_able = 1;
/* Attach to process specified by ARGS. */
static void
-aix_thread_attach (char *args, int from_tty)
+aix_thread_inferior_created (struct target_ops *ops, int from_tty)
{
- base_target.to_attach (args, from_tty);
- pd_activate (1);
+ pd_enable ();
}
/* Detach from the process attached to by aix_thread_attach(). */
static void
-aix_thread_detach (char *args, int from_tty)
+aix_thread_detach (struct target_ops *ops, const char *args, int from_tty)
{
+ struct target_ops *beneath = find_target_beneath (ops);
+
pd_disable ();
- base_target.to_detach (args, from_tty);
+ beneath->to_detach (beneath, args, from_tty);
}
/* Tell the inferior process to continue running thread PID if != -1
and all threads otherwise. */
static void
-aix_thread_resume (ptid_t ptid, int step, enum target_signal sig)
+aix_thread_resume (struct target_ops *ops,
+ ptid_t ptid, int step, enum gdb_signal sig)
{
struct thread_info *thread;
pthdb_tid_t tid[2];
if (!PD_TID (ptid))
{
- struct cleanup *cleanup = save_inferior_ptid ();
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- base_target.to_resume (ptid, step, sig);
- do_cleanups (cleanup);
+ 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);
}
else
{
- thread = find_thread_pid (ptid);
+ thread = find_thread_ptid (ptid);
if (!thread)
error (_("aix-thread resume: unknown pthread %ld"),
- TIDGET (ptid));
+ ptid_get_lwp (ptid));
- tid[0] = thread->private->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"),
- TIDGET (ptid));
+ ptid_get_lwp (ptid));
tid[1] = 0;
if (arch64)
- ptrace64aix (PTT_CONTINUE, tid[0], 1,
- target_signal_to_host (sig), (int *) tid);
+ ptrace64aix (PTT_CONTINUE, tid[0], (long long) 1,
+ gdb_signal_to_host (sig), (PTRACE_TYPE_ARG5) tid);
else
- ptrace32 (PTT_CONTINUE, tid[0], (int *) 1,
- target_signal_to_host (sig), (int *) tid);
+ ptrace32 (PTT_CONTINUE, tid[0], (addr_ptr) 1,
+ gdb_signal_to_host (sig), (PTRACE_TYPE_ARG5) tid);
}
}
thread. */
static ptid_t
-aix_thread_wait (ptid_t ptid, struct target_waitstatus *status)
+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);
+
+ {
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
- pid_to_prc (&ptid);
+ pid_to_prc (&ptid);
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- ptid = base_target.to_wait (ptid, status);
- do_cleanups (cleanup);
+ inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
+ ptid = beneath->to_wait (beneath, ptid, status, options);
+ }
- if (PIDGET (ptid) == -1)
+ if (ptid_get_pid (ptid) == -1)
return pid_to_ptid (-1);
/* Check whether libpthdebug might be ready to be initialized. */
- if (!pd_active && status->kind == TARGET_WAITKIND_STOPPED &&
- status->value.sig == TARGET_SIGNAL_TRAP
- && read_pc_pid (ptid)
- - gdbarch_decr_pc_after_break (current_gdbarch) == pd_brk_addr)
- return pd_activate (0);
+ if (!pd_active && status->kind == TARGET_WAITKIND_STOPPED
+ && status->value.sig == GDB_SIGNAL_TRAP)
+ {
+ struct regcache *regcache = get_thread_regcache (ptid);
+ struct gdbarch *gdbarch = regcache->arch ();
+
+ if (regcache_read_pc (regcache)
+ - gdbarch_decr_pc_after_break (gdbarch) == pd_brk_addr)
+ return pd_activate (0);
+ }
return pd_update (0);
}
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;
floating-point registers. */
gdb_assert (ppc_floating_point_unit_p (gdbarch));
- for (regno = 0; regno < ppc_num_fprs; regno++)
- regcache_raw_supply (regcache, regno + tdep->ppc_fp0_regnum,
- (char *) (vals + regno));
+ for (regno = tdep->ppc_fp0_regnum;
+ regno < tdep->ppc_fp0_regnum + ppc_num_fprs;
+ regno++)
+ regcache_raw_supply (regcache, regno,
+ (char *) (vals + regno - tdep->ppc_fp0_regnum));
}
/* Predicate to test whether given register number is a "special" register. */
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];
}
else
{
- if (!ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL))
+ if (!ptrace32 (PTT_READ_GPRS, tid, (uintptr_t) gprs32, 0, NULL))
memset (gprs32, 0, sizeof (gprs32));
for (i = 0; i < ppc_num_gprs; i++)
supply_reg32 (regcache, tdep->ppc_gp0_regnum + i, gprs32[i]);
|| (regno >= tdep->ppc_fp0_regnum
&& regno < tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
- if (!ptrace32 (PTT_READ_FPRS, tid, (int *) fprs, 0, NULL))
+ if (!ptrace32 (PTT_READ_FPRS, tid, (uintptr_t) fprs, 0, NULL))
memset (fprs, 0, sizeof (fprs));
supply_fprs (regcache, fprs);
}
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- if (!ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL))
+ if (!ptrace32 (PTT_READ_SPRS, tid, (uintptr_t) &sprs32, 0, NULL))
memset (&sprs32, 0, sizeof (sprs32));
supply_sprs32 (regcache, sprs32.pt_iar, sprs32.pt_msr, sprs32.pt_cr,
sprs32.pt_lr, sprs32.pt_ctr, sprs32.pt_xer,
}
}
-/* 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 regcache *regcache, int regno)
+aix_thread_fetch_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
struct thread_info *thread;
pthdb_tid_t tid;
+ struct target_ops *beneath = find_target_beneath (ops);
- if (!PD_TID (inferior_ptid))
- base_target.to_fetch_registers (regcache, regno);
+ if (!PD_TID (regcache_get_ptid (regcache)))
+ beneath->to_fetch_registers (beneath, regcache, regno);
else
{
- thread = find_thread_pid (inferior_ptid);
- tid = thread->private->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->private->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++)
- if (regcache_valid_p (regcache, tdep->ppc_gp0_regnum + regno))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_gp0_regnum + regno))
regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + regno,
vals + 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++)
- if (regcache_valid_p (regcache, tdep->ppc_gp0_regnum + regno))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_gp0_regnum + regno))
regcache_raw_collect (regcache, tdep->ppc_gp0_regnum + regno,
vals + 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;
for (regno = tdep->ppc_fp0_regnum;
regno < tdep->ppc_fp0_regnum + ppc_num_fprs;
regno++)
- if (regcache_valid_p (regcache, regno))
- regcache_raw_collect (regcache, regno, vals + regno);
+ if (REG_VALID == regcache_register_status (regcache, regno))
+ regcache_raw_collect (regcache, regno,
+ vals + regno - tdep->ppc_fp0_regnum);
}
/* Store the special registers into the specified 64-bit and 32-bit
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
gdb_assert (sizeof (*iar) == register_size
(gdbarch, gdbarch_pc_regnum (gdbarch)));
- if (regcache_valid_p (regcache, gdbarch_pc_regnum (gdbarch)))
+ if (REG_VALID == regcache_register_status (regcache,
+ gdbarch_pc_regnum (gdbarch)))
regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch), iar);
- if (regcache_valid_p (regcache, tdep->ppc_ps_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ps_regnum))
regcache_raw_collect (regcache, tdep->ppc_ps_regnum, msr);
- if (regcache_valid_p (regcache, tdep->ppc_cr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_cr_regnum))
regcache_raw_collect (regcache, tdep->ppc_cr_regnum, cr);
- if (regcache_valid_p (regcache, tdep->ppc_lr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_lr_regnum))
regcache_raw_collect (regcache, tdep->ppc_lr_regnum, lr);
- if (regcache_valid_p (regcache, tdep->ppc_ctr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ctr_regnum))
regcache_raw_collect (regcache, tdep->ppc_ctr_regnum, ctr);
- if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_xer_regnum))
regcache_raw_collect (regcache, tdep->ppc_xer_regnum, xer);
if (tdep->ppc_fpscr_regnum >= 0
- && regcache_valid_p (regcache, tdep->ppc_fpscr_regnum))
+ && REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_fpscr_regnum))
regcache_raw_collect (regcache, tdep->ppc_fpscr_regnum, fpscr);
}
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
gdb_assert (sizeof (*iar) == register_size (gdbarch,
gdbarch_pc_regnum (gdbarch)));
- if (regcache_valid_p (regcache, gdbarch_pc_regnum (gdbarch)))
+ if (REG_VALID == regcache_register_status (regcache,
+ gdbarch_pc_regnum (gdbarch)))
regcache_raw_collect (regcache, gdbarch_pc_regnum (gdbarch), iar);
- if (regcache_valid_p (regcache, tdep->ppc_ps_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ps_regnum))
regcache_raw_collect (regcache, tdep->ppc_ps_regnum, msr);
- if (regcache_valid_p (regcache, tdep->ppc_cr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_cr_regnum))
regcache_raw_collect (regcache, tdep->ppc_cr_regnum, cr);
- if (regcache_valid_p (regcache, tdep->ppc_lr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_lr_regnum))
regcache_raw_collect (regcache, tdep->ppc_lr_regnum, lr);
- if (regcache_valid_p (regcache, tdep->ppc_ctr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ctr_regnum))
regcache_raw_collect (regcache, tdep->ppc_ctr_regnum, ctr);
- if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_xer_regnum))
regcache_raw_collect (regcache, tdep->ppc_xer_regnum, xer);
if (tdep->ppc_fpscr_regnum >= 0
- && regcache_valid_p (regcache, tdep->ppc_fpscr_regnum))
+ && REG_VALID == regcache_register_status (regcache, tdep->ppc_fpscr_regnum))
regcache_raw_collect (regcache, tdep->ppc_fpscr_regnum, fpscr);
}
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;
/* Collect general-purpose register values from the regcache. */
for (i = 0; i < ppc_num_gprs; i++)
- if (regcache_valid_p (regcache, tdep->ppc_gp0_regnum + i))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_gp0_regnum + i))
{
if (arch64)
{
fill_sprs32 (regcache, &tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr, &tmp_ctr,
&tmp_xer, &tmp_fpscr);
- if (regcache_valid_p (regcache, gdbarch_pc_regnum (gdbarch)))
+ if (REG_VALID == regcache_register_status (regcache,
+ gdbarch_pc_regnum (gdbarch)))
ctx.iar = tmp_iar;
- if (regcache_valid_p (regcache, tdep->ppc_ps_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_ps_regnum))
ctx.msr = tmp_msr;
- if (regcache_valid_p (regcache, tdep->ppc_cr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_cr_regnum))
ctx.cr = tmp_cr;
- if (regcache_valid_p (regcache, tdep->ppc_lr_regnum))
+ if (REG_VALID == regcache_register_status (regcache, tdep->ppc_lr_regnum))
ctx.lr = tmp_lr;
- if (regcache_valid_p (regcache, tdep->ppc_ctr_regnum))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_ctr_regnum))
ctx.ctr = tmp_ctr;
- if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_xer_regnum))
ctx.xer = tmp_xer;
- if (regcache_valid_p (regcache, tdep->ppc_xer_regnum))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_xer_regnum))
ctx.fpscr = tmp_fpscr;
}
status = pthdb_pthread_setcontext (pd_session, pdtid, &ctx);
if (status != PTHDB_SUCCESS)
- error (_("aix-thread: store_registers: pthdb_pthread_setcontext returned %s"),
+ error (_("aix-thread: store_registers: "
+ "pthdb_pthread_setcontext returned %s"),
pd_status2str (status));
}
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];
else
{
/* Pre-fetch: some regs may not be in the cache. */
- ptrace32 (PTT_READ_GPRS, tid, gprs32, 0, NULL);
+ ptrace32 (PTT_READ_GPRS, tid, (uintptr_t) gprs32, 0, NULL);
fill_gprs32 (regcache, gprs32);
- ptrace32 (PTT_WRITE_GPRS, tid, gprs32, 0, NULL);
+ ptrace32 (PTT_WRITE_GPRS, tid, (uintptr_t) gprs32, 0, NULL);
}
}
&& regno < tdep->ppc_fp0_regnum + ppc_num_fprs)))
{
/* Pre-fetch: some regs may not be in the cache. */
- ptrace32 (PTT_READ_FPRS, tid, (int *) fprs, 0, NULL);
+ ptrace32 (PTT_READ_FPRS, tid, (uintptr_t) fprs, 0, NULL);
fill_fprs (regcache, fprs);
- ptrace32 (PTT_WRITE_FPRS, tid, (int *) fprs, 0, NULL);
+ ptrace32 (PTT_WRITE_FPRS, tid, (uintptr_t) fprs, 0, NULL);
}
/* Special-purpose registers. */
gdb_assert (sizeof (sprs32.pt_iar) == 4);
/* Pre-fetch: some registers won't be in the cache. */
- ptrace32 (PTT_READ_SPRS, tid, (int *) &sprs32, 0, NULL);
+ ptrace32 (PTT_READ_SPRS, tid, (uintptr_t) &sprs32, 0, NULL);
fill_sprs32 (regcache, &tmp_iar, &tmp_msr, &tmp_cr, &tmp_lr,
&tmp_ctr, &tmp_xer, &tmp_fpscr);
sprs32.pt_fpscr = tmp_fpscr;
if (tdep->ppc_mq_regnum >= 0)
- if (regcache_valid_p (regcache, tdep->ppc_mq_regnum))
+ if (REG_VALID == regcache_register_status (regcache,
+ tdep->ppc_mq_regnum))
regcache_raw_collect (regcache, tdep->ppc_mq_regnum,
&sprs32.pt_mq);
- ptrace32 (PTT_WRITE_SPRS, tid, (int *) &sprs32, 0, NULL);
+ ptrace32 (PTT_WRITE_SPRS, tid, (uintptr_t) &sprs32, 0, NULL);
}
}
}
/* 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 regcache *regcache, int regno)
+aix_thread_store_registers (struct target_ops *ops,
+ struct regcache *regcache, int regno)
{
struct thread_info *thread;
pthdb_tid_t tid;
+ struct target_ops *beneath = find_target_beneath (ops);
- if (!PD_TID (inferior_ptid))
- base_target.to_store_registers (regcache, regno);
+ if (!PD_TID (regcache_get_ptid (regcache)))
+ beneath->to_store_registers (beneath, regcache, regno);
else
{
- thread = find_thread_pid (inferior_ptid);
- tid = thread->private->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->private->pdtid);
+ store_regs_user_thread (regcache, priv->pdtid);
else
store_regs_kernel_thread (regcache, regno, tid);
}
}
-/* Attempt a transfer all LEN bytes starting at OFFSET between the
- inferior's OBJECT:ANNEX space and GDB's READBUF/WRITEBUF buffer.
- Return the number of bytes actually transferred. */
+/* Implement the to_xfer_partial target_ops method. */
-static LONGEST
+static enum target_xfer_status
aix_thread_xfer_partial (struct target_ops *ops, enum target_object object,
const char *annex, gdb_byte *readbuf,
- const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
+ const gdb_byte *writebuf,
+ ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)
{
- struct cleanup *old_chain = save_inferior_ptid ();
- LONGEST xfer;
+ scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid);
+ struct target_ops *beneath = find_target_beneath (ops);
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- xfer = base_target.to_xfer_partial (ops, object, annex,
- readbuf, writebuf, offset, len);
-
- do_cleanups (old_chain);
- return xfer;
-}
-
-/* Kill and forget about the inferior process. */
-
-static void
-aix_thread_kill (void)
-{
- struct cleanup *cleanup = save_inferior_ptid ();
-
- inferior_ptid = pid_to_ptid (PIDGET (inferior_ptid));
- base_target.to_kill ();
- do_cleanups (cleanup);
+ inferior_ptid = pid_to_ptid (ptid_get_pid (inferior_ptid));
+ return beneath->to_xfer_partial (beneath, object, annex, readbuf,
+ writebuf, offset, len, xfered_len);
}
/* Clean up after the inferior exits. */
static void
-aix_thread_mourn_inferior (void)
+aix_thread_mourn_inferior (struct target_ops *ops)
{
+ struct target_ops *beneath = find_target_beneath (ops);
+
pd_deactivate ();
- base_target.to_mourn_inferior ();
+ beneath->to_mourn_inferior (beneath);
}
/* Return whether thread PID is still valid. */
static int
-aix_thread_thread_alive (ptid_t ptid)
+aix_thread_thread_alive (struct target_ops *ops, ptid_t ptid)
{
+ struct target_ops *beneath = find_target_beneath (ops);
+
if (!PD_TID (ptid))
- return base_target.to_thread_alive (ptid);
+ return beneath->to_thread_alive (beneath, ptid);
/* We update the thread list every time the child stops, so all
valid threads should be in the thread list. */
/* Return a printable representation of composite PID for use in
"info threads" output. */
-static char *
-aix_thread_pid_to_str (ptid_t ptid)
+static const char *
+aix_thread_pid_to_str (struct target_ops *ops, ptid_t ptid)
{
static char *ret = NULL;
+ struct target_ops *beneath = find_target_beneath (ops);
if (!PD_TID (ptid))
- return base_target.to_pid_to_str (ptid);
+ return beneath->to_pid_to_str (beneath, ptid);
/* Free previous return value; a new one will be allocated by
xstrprintf(). */
/* Return a printable representation of extra information about
THREAD, for use in "info threads" output. */
-static char *
-aix_thread_extra_thread_info (struct thread_info *thread)
+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;
pthdb_suspendstate_t suspendstate;
pthdb_detachstate_t detachstate;
int cancelpend;
- long length;
static char *ret = NULL;
if (!PD_TID (thread->ptid))
return NULL;
- buf = mem_fileopen ();
+ string_file buf;
+ aix_thread_info *priv = get_aix_thread_info (thread);
- pdtid = thread->private->pdtid;
- tid = thread->private->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, &length);
- ui_file_delete (buf);
+ ret = xstrdup (buf.c_str ());
return ret;
}
+static ptid_t
+aix_thread_get_ada_task_ptid (struct target_ops *self, long lwp, long thread)
+{
+ return ptid_build (ptid_get_pid (inferior_ptid), 0, thread);
+}
+
/* Initialize target aix_thread_ops. */
static void
init_aix_thread_ops (void)
{
- aix_thread_ops.to_shortname = "aix-threads";
- aix_thread_ops.to_longname = _("AIX pthread support");
- aix_thread_ops.to_doc = _("AIX pthread support");
-
- aix_thread_ops.to_attach = aix_thread_attach;
- aix_thread_ops.to_detach = aix_thread_detach;
- aix_thread_ops.to_resume = aix_thread_resume;
- aix_thread_ops.to_wait = aix_thread_wait;
- aix_thread_ops.to_fetch_registers = aix_thread_fetch_registers;
- aix_thread_ops.to_store_registers = aix_thread_store_registers;
- aix_thread_ops.to_xfer_partial = aix_thread_xfer_partial;
- /* No need for aix_thread_ops.to_create_inferior, because we activate thread
- debugging when the inferior reaches pd_brk_addr. */
- aix_thread_ops.to_kill = aix_thread_kill;
- aix_thread_ops.to_mourn_inferior = aix_thread_mourn_inferior;
- aix_thread_ops.to_thread_alive = aix_thread_thread_alive;
- aix_thread_ops.to_pid_to_str = aix_thread_pid_to_str;
- aix_thread_ops.to_extra_thread_info = aix_thread_extra_thread_info;
- aix_thread_ops.to_stratum = thread_stratum;
- aix_thread_ops.to_magic = OPS_MAGIC;
+ aix_thread_ops.to_shortname = "aix-threads";
+ aix_thread_ops.to_longname = _("AIX pthread support");
+ aix_thread_ops.to_doc = _("AIX pthread support");
+
+ aix_thread_ops.to_detach = aix_thread_detach;
+ aix_thread_ops.to_resume = aix_thread_resume;
+ aix_thread_ops.to_wait = aix_thread_wait;
+ aix_thread_ops.to_fetch_registers = aix_thread_fetch_registers;
+ aix_thread_ops.to_store_registers = aix_thread_store_registers;
+ aix_thread_ops.to_xfer_partial = aix_thread_xfer_partial;
+ aix_thread_ops.to_mourn_inferior = aix_thread_mourn_inferior;
+ aix_thread_ops.to_thread_alive = aix_thread_thread_alive;
+ aix_thread_ops.to_pid_to_str = aix_thread_pid_to_str;
+ aix_thread_ops.to_extra_thread_info = aix_thread_extra_thread_info;
+ aix_thread_ops.to_get_ada_task_ptid = aix_thread_get_ada_task_ptid;
+ aix_thread_ops.to_stratum = thread_stratum;
+ aix_thread_ops.to_magic = OPS_MAGIC;
}
/* Module startup initialization function, automagically called by
_initialize_aix_thread (void)
{
init_aix_thread_ops ();
- add_target (&aix_thread_ops);
+ complete_target_initialization (&aix_thread_ops);
/* Notice when object files get loaded and unloaded. */
observer_attach_new_objfile (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);
+
add_setshow_boolean_cmd ("aix-thread", class_maintenance, &debug_aix_thread,
- _("Set debugging of AIX thread module."),
- _("Show debugging of AIX thread module."),
- _("Enables debugging output (used to debug GDB)."),
- NULL, NULL, /* FIXME: i18n: Debugging of AIX thread module is \"%d\". */
- &setdebuglist, &showdebuglist);
+ _("Set debugging of AIX thread module."),
+ _("Show debugging of AIX thread module."),
+ _("Enables debugging output (used to debug GDB)."),
+ NULL, NULL,
+ /* FIXME: i18n: Debugging of AIX thread
+ module is \"%d\". */
+ &setdebuglist, &showdebuglist);
}