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gdbserver: replace direct assignments to current_thread

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Replace the direct assignments to current_thread with
switch_to_thread.  Use scoped_restore_current_thread when appropriate.
There is one instance remaining in linux-low.cc's wait_for_sigstop.
This will be handled in a separate patch.

Regression-tested on X86-64 Linux using the native-gdbserver and
native-extended-gdbserver board files.
This commit is contained in:
Tankut Baris Aktemur
2021-12-13 12:22:48 +01:00
parent f24791b72e
commit 24583e45ef
13 changed files with 77 additions and 136 deletions
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6
gdbserver/linux-x86-low.cc
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@@ -991,7 +991,7 @@ x86_linux_read_description (void)
void
x86_target::update_xmltarget ()
{
struct thread_info *saved_thread = current_thread;
scoped_restore_current_thread restore_thread;
/* Before changing the register cache's internal layout, flush the
contents of the current valid caches back to the threads, and
@@ -1002,12 +1002,10 @@ x86_target::update_xmltarget ()
int pid = proc->pid;
/* Look up any thread of this process. */
current_thread = find_any_thread_of_pid (pid);
switch_to_thread (find_any_thread_of_pid (pid));
low_arch_setup ();
});
current_thread = saved_thread;
}
/* Process qSupported query, "xmlRegisters=". Update the buffer size for