From: Maxim Kuvyrkov <maxim@kugelworks.com>
Date: Wed, 19 May 2010 14:07:08 +0000 (+0000)
Subject: 	* linux-m68k-low.c: Include <asm/ptrace.h>
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fea36a59a1a87dfa973f911f11ab1a43b0f528c0;p=binutils-gdb.git

	* linux-m68k-low.c: Include <asm/ptrace.h>
	(ps_get_thread_area): Implement.
---

diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index eb82920b2eb..8c81fb01e0f 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,8 @@
+2010-05-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
+
+	* linux-m68k-low.c: Include <asm/ptrace.h>
+	(ps_get_thread_area): Implement.
+
 2010-05-03  Doug Evans  <dje@google.com>
 
 	* event-loop.c (struct callback_event): New struct.
diff --git a/gdb/gdbserver/linux-m68k-low.c b/gdb/gdbserver/linux-m68k-low.c
index 6c98bb17eeb..1caac741a81 100644
--- a/gdb/gdbserver/linux-m68k-low.c
+++ b/gdb/gdbserver/linux-m68k-low.c
@@ -154,6 +154,25 @@ m68k_breakpoint_at (CORE_ADDR pc)
   return 0;
 }
 
+#include <asm/ptrace.h>
+
+/* Fetch the thread-local storage pointer for libthread_db.  */
+
+ps_err_e
+ps_get_thread_area (const struct ps_prochandle *ph,
+		    lwpid_t lwpid, int idx, void **base)
+{
+  if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
+    return PS_ERR;
+
+  /* IDX is the bias from the thread pointer to the beginning of the
+     thread descriptor.  It has to be subtracted due to implementation
+     quirks in libthread_db.  */
+  *base = (void *) ((char *)*base - idx);
+
+  return PS_OK;
+}
+
 struct linux_target_ops the_low_target = {
   init_registers_m68k,
   m68k_num_regs,