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-rw-r--r--gdb/ChangeLog16
-rw-r--r--gdb/nat/windows-nat.h21
-rw-r--r--gdb/windows-nat.c61
3 files changed, 59 insertions, 39 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0286fd6..9b2ec33 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,21 @@
2020-04-08 Tom Tromey <tromey@adacore.com>
+ * windows-nat.c (enum thread_disposition_type): Move to
+ nat/windows-nat.h.
+ (windows_nat::thread_rec): Rename from thread_rec. No longer
+ static.
+ (windows_add_thread, windows_nat_target::fetch_registers)
+ (windows_nat_target::store_registers, handle_exception)
+ (windows_nat_target::resume, get_windows_debug_event)
+ (windows_nat_target::get_tib_address)
+ (windows_nat_target::thread_name)
+ (windows_nat_target::thread_alive): Update.
+ * nat/windows-nat.h (enum thread_disposition_type): Move from
+ windows-nat.c.
+ (thread_rec): Declare.
+
+2020-04-08 Tom Tromey <tromey@adacore.com>
+
* windows-nat.c: Add "using namespace".
* nat/windows-nat.h: Wrap contents in windows_nat namespace.
* nat/windows-nat.c: Wrap contents in windows_nat namespace.
diff --git a/gdb/nat/windows-nat.h b/gdb/nat/windows-nat.h
index df28364..e63ef75 100644
--- a/gdb/nat/windows-nat.h
+++ b/gdb/nat/windows-nat.h
@@ -90,6 +90,27 @@ struct windows_thread_info
gdb::unique_xmalloc_ptr<char> name;
};
+
+/* Possible values to pass to 'thread_rec'. */
+enum thread_disposition_type
+{
+ /* Do not invalidate the thread's context, and do not suspend the
+ thread. */
+ DONT_INVALIDATE_CONTEXT,
+ /* Invalidate the context, but do not suspend the thread. */
+ DONT_SUSPEND,
+ /* Invalidate the context and suspend the thread. */
+ INVALIDATE_CONTEXT
+};
+
+/* Find a thread record given a thread id. THREAD_DISPOSITION
+ controls whether the thread is suspended, and whether the context
+ is invalidated.
+
+ This function must be supplied by the embedding application. */
+extern windows_thread_info *thread_rec (ptid_t ptid,
+ thread_disposition_type disposition);
+
}
#endif
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
index 8f848b9..550a8cf 100644
--- a/gdb/windows-nat.c
+++ b/gdb/windows-nat.c
@@ -456,26 +456,13 @@ check (BOOL ok, const char *file, int line)
(unsigned) GetLastError ());
}
-/* Possible values to pass to 'thread_rec'. */
-enum thread_disposition_type
-{
- /* Do not invalidate the thread's context, and do not suspend the
- thread. */
- DONT_INVALIDATE_CONTEXT,
- /* Invalidate the context, but do not suspend the thread. */
- DONT_SUSPEND,
- /* Invalidate the context and suspend the thread. */
- INVALIDATE_CONTEXT
-};
+/* See nat/windows-nat.h. */
-/* Find a thread record given a thread id. THREAD_DISPOSITION
- controls whether the thread is suspended, and whether the context
- is invalidated. */
-static windows_thread_info *
-thread_rec (DWORD id, enum thread_disposition_type disposition)
+windows_thread_info *
+windows_nat::thread_rec (ptid_t ptid, thread_disposition_type disposition)
{
for (windows_thread_info *th : thread_list)
- if (th->tid == id)
+ if (th->tid == ptid.lwp ())
{
if (!th->suspended)
{
@@ -485,7 +472,7 @@ thread_rec (DWORD id, enum thread_disposition_type disposition)
/* Nothing. */
break;
case INVALIDATE_CONTEXT:
- if (id != current_event.dwThreadId)
+ if (ptid.lwp () != current_event.dwThreadId)
th->suspend ();
th->reload_context = true;
break;
@@ -513,13 +500,10 @@ static windows_thread_info *
windows_add_thread (ptid_t ptid, HANDLE h, void *tlb, bool main_thread_p)
{
windows_thread_info *th;
- DWORD id;
gdb_assert (ptid.lwp () != 0);
- id = ptid.lwp ();
-
- if ((th = thread_rec (id, DONT_INVALIDATE_CONTEXT)))
+ if ((th = thread_rec (ptid, DONT_INVALIDATE_CONTEXT)))
return th;
CORE_ADDR base = (CORE_ADDR) (uintptr_t) tlb;
@@ -529,7 +513,7 @@ windows_add_thread (ptid_t ptid, HANDLE h, void *tlb, bool main_thread_p)
if (wow64_process)
base += 0x2000;
#endif
- th = new windows_thread_info (id, h, base);
+ th = new windows_thread_info (ptid.lwp (), h, base);
thread_list.push_back (th);
/* Add this new thread to the list of threads.
@@ -716,8 +700,7 @@ windows_fetch_one_register (struct regcache *regcache,
void
windows_nat_target::fetch_registers (struct regcache *regcache, int r)
{
- DWORD tid = regcache->ptid ().lwp ();
- windows_thread_info *th = thread_rec (tid, INVALIDATE_CONTEXT);
+ windows_thread_info *th = thread_rec (regcache->ptid (), INVALIDATE_CONTEXT);
/* Check if TH exists. Windows sometimes uses a non-existent
thread id in its events. */
@@ -812,8 +795,7 @@ windows_store_one_register (const struct regcache *regcache,
void
windows_nat_target::store_registers (struct regcache *regcache, int r)
{
- DWORD tid = regcache->ptid ().lwp ();
- windows_thread_info *th = thread_rec (tid, INVALIDATE_CONTEXT);
+ windows_thread_info *th = thread_rec (regcache->ptid (), INVALIDATE_CONTEXT);
/* Check if TH exists. Windows sometimes uses a non-existent
thread id in its events. */
@@ -1353,7 +1335,8 @@ handle_exception (struct target_waitstatus *ourstatus)
ourstatus->kind = TARGET_WAITKIND_STOPPED;
/* Record the context of the current thread. */
- thread_rec (current_event.dwThreadId, DONT_SUSPEND);
+ thread_rec (ptid_t (current_event.dwProcessId, current_event.dwThreadId, 0),
+ DONT_SUSPEND);
switch (code)
{
@@ -1483,7 +1466,9 @@ handle_exception (struct target_waitstatus *ourstatus)
if (named_thread_id == (DWORD) -1)
named_thread_id = current_event.dwThreadId;
- named_thread = thread_rec (named_thread_id, DONT_INVALIDATE_CONTEXT);
+ named_thread = thread_rec (ptid_t (current_event.dwProcessId,
+ named_thread_id, 0),
+ DONT_INVALIDATE_CONTEXT);
if (named_thread != NULL)
{
int thread_name_len;
@@ -1714,7 +1699,7 @@ windows_nat_target::resume (ptid_t ptid, int step, enum gdb_signal sig)
ptid.pid (), (unsigned) ptid.lwp (), step, sig));
/* Get context for currently selected thread. */
- th = thread_rec (inferior_ptid.lwp (), DONT_INVALIDATE_CONTEXT);
+ th = thread_rec (inferior_ptid, DONT_INVALIDATE_CONTEXT);
if (th)
{
#ifdef __x86_64__
@@ -1847,7 +1832,7 @@ windows_nat_target::get_windows_debug_event (int pid,
current_event = iter->event;
inferior_ptid = ptid_t (current_event.dwProcessId, thread_id, 0);
- current_thread = thread_rec (thread_id, INVALIDATE_CONTEXT);
+ current_thread = thread_rec (inferior_ptid, INVALIDATE_CONTEXT);
current_thread->reload_context = 1;
DEBUG_EVENTS (("get_windows_debug_event - "
@@ -2060,7 +2045,8 @@ windows_nat_target::get_windows_debug_event (int pid,
== EXCEPTION_BREAKPOINT)
&& windows_initialization_done)
{
- th = thread_rec (thread_id, INVALIDATE_CONTEXT);
+ ptid_t ptid = ptid_t (current_event.dwProcessId, thread_id, 0);
+ th = thread_rec (ptid, INVALIDATE_CONTEXT);
th->stopped_at_software_breakpoint = true;
}
pending_stops.push_back ({thread_id, *ourstatus, current_event});
@@ -2072,7 +2058,7 @@ windows_nat_target::get_windows_debug_event (int pid,
inferior_ptid = ptid_t (current_event.dwProcessId, thread_id, 0);
current_thread = th;
if (!current_thread)
- current_thread = thread_rec (thread_id, INVALIDATE_CONTEXT);
+ current_thread = thread_rec (inferior_ptid, INVALIDATE_CONTEXT);
}
out:
@@ -3548,7 +3534,7 @@ windows_nat_target::get_tib_address (ptid_t ptid, CORE_ADDR *addr)
{
windows_thread_info *th;
- th = thread_rec (ptid.lwp (), DONT_INVALIDATE_CONTEXT);
+ th = thread_rec (ptid, DONT_INVALIDATE_CONTEXT);
if (th == NULL)
return false;
@@ -3569,7 +3555,7 @@ windows_nat_target::get_ada_task_ptid (long lwp, long thread)
const char *
windows_nat_target::thread_name (struct thread_info *thr)
{
- return thread_rec (thr->ptid.lwp (), DONT_INVALIDATE_CONTEXT)->name.get ();
+ return thread_rec (thr->ptid, DONT_INVALIDATE_CONTEXT)->name.get ();
}
@@ -3728,12 +3714,9 @@ cygwin_get_dr7 (void)
bool
windows_nat_target::thread_alive (ptid_t ptid)
{
- int tid;
-
gdb_assert (ptid.lwp () != 0);
- tid = ptid.lwp ();
- return (WaitForSingleObject (thread_rec (tid, DONT_INVALIDATE_CONTEXT)->h, 0)
+ return (WaitForSingleObject (thread_rec (ptid, DONT_INVALIDATE_CONTEXT)->h, 0)
!= WAIT_OBJECT_0);
}
generated by cgit v1.1 at 2024-08-06 17:24:48 +0000