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[binutils-gdb] Remove usage of find_inferior in win32-i386-low.c


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0b360f1926cb15edc39c661dac2f1a433fb288c0

commit 0b360f1926cb15edc39c661dac2f1a433fb288c0
Author: Simon Marchi <simon.marchi@ericsson.com>
Date:   Sun Nov 19 22:23:20 2017 -0500

    Remove usage of find_inferior in win32-i386-low.c
    
    Straightforward replacement of find_inferior with the overload of
    for_each_thread that filters on pid.  I am able to build-test this
    patch, but not run it.
    
    gdb/gdbserver/ChangeLog:
    
    	* win32-i386-low.c (update_debug_registers_callback): Rename
    	to ...
    	(update_debug_registers): ... this, return void, remove pid_p arg.
    	(x86_dr_low_set_addr, x86_dr_low_set_control): Use for_each_thread.

Diff:
---
 gdb/gdbserver/ChangeLog        |  7 +++++++
 gdb/gdbserver/win32-i386-low.c | 29 +++++++++--------------------
 2 files changed, 16 insertions(+), 20 deletions(-)

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index ab59f52..e1fed94 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,10 @@
+2017-11-19  Simon Marchi  <simon.marchi@ericsson.com>
+
+	* win32-i386-low.c (update_debug_registers_callback): Rename
+	to ...
+	(update_debug_registers): ... this, return void, remove pid_p arg.
+	(x86_dr_low_set_addr, x86_dr_low_set_control): Use for_each_thread.
+
 2017-11-17  Simon Marchi  <simon.marchi@polymtl.ca>
 
 	* inferiors.h (struct process_info): Add constructor, initialize
diff --git a/gdb/gdbserver/win32-i386-low.c b/gdb/gdbserver/win32-i386-low.c
index fd99ca9..1961a98 100644
--- a/gdb/gdbserver/win32-i386-low.c
+++ b/gdb/gdbserver/win32-i386-low.c
@@ -36,21 +36,14 @@
 
 static struct x86_debug_reg_state debug_reg_state;
 
-static int
-update_debug_registers_callback (thread_info *thr, void *pid_p)
+static void
+update_debug_registers (thread_info *thread)
 {
-  win32_thread_info *th = (win32_thread_info *) thread_target_data (thr);
-  int pid = *(int *) pid_p;
-
-  /* Only update the threads of this process.  */
-  if (pid_of (thr) == pid)
-    {
-      /* The actual update is done later just before resuming the lwp,
-	 we just mark that the registers need updating.  */
-      th->debug_registers_changed = 1;
-    }
+  win32_thread_info *th = (win32_thread_info *) thread_target_data (thread);
 
-  return 0;
+  /* The actual update is done later just before resuming the lwp,
+     we just mark that the registers need updating.  */
+  th->debug_registers_changed = 1;
 }
 
 /* Update the inferior's debug register REGNUM from STATE.  */
@@ -58,12 +51,10 @@ update_debug_registers_callback (thread_info *thr, void *pid_p)
 static void
 x86_dr_low_set_addr (int regnum, CORE_ADDR addr)
 {
-  /* Only update the threads of this process.  */
-  int pid = pid_of (current_thread);
-
   gdb_assert (DR_FIRSTADDR <= regnum && regnum <= DR_LASTADDR);
 
-  find_inferior (&all_threads, update_debug_registers_callback, &pid);
+  /* Only update the threads of this process.  */
+  for_each_thread (current_thread->id.pid (), update_debug_registers);
 }
 
 /* Update the inferior's DR7 debug control register from STATE.  */
@@ -72,9 +63,7 @@ static void
 x86_dr_low_set_control (unsigned long control)
 {
   /* Only update the threads of this process.  */
-  int pid = pid_of (current_thread);
-
-  find_inferior (&all_threads, update_debug_registers_callback, &pid);
+  for_each_thread (current_thread->id.pid (), update_debug_registers);
 }
 
 /* Return the current value of a DR register of the current thread's


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