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authorDaniel Jacobowitz <drow@false.org>2005-11-13 18:04:03 +0000
committerDaniel Jacobowitz <drow@false.org>2005-11-13 18:04:03 +0000
commit9d1fb17785b89eeefe98c1aa2f41596d5fbb29dc (patch)
tree5371d4353d113d08770de0c2d26850b4f9e3f22a
parentf0b3881fd7572482b33cf4f10b788abb34b25e89 (diff)
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* linux-arm-low.c (arm_eabi_breakpoint): New variable.
(arm_breakpoint_at): Recognize both breakpoints. (the_low_target): Use the correct breakpoint instruction.
-rw-r--r--gdb/gdbserver/ChangeLog6
-rw-r--r--gdb/gdbserver/linux-arm-low.c16
2 files changed, 21 insertions, 1 deletions
diff --git a/gdb/gdbserver/ChangeLog b/gdb/gdbserver/ChangeLog
index 0c9a47c..ec1e152 100644
--- a/gdb/gdbserver/ChangeLog
+++ b/gdb/gdbserver/ChangeLog
@@ -1,3 +1,9 @@
+2005-11-13 Daniel Jacobowitz <dan@codesourcery.com>
+
+ * linux-arm-low.c (arm_eabi_breakpoint): New variable.
+ (arm_breakpoint_at): Recognize both breakpoints.
+ (the_low_target): Use the correct breakpoint instruction.
+
2005-11-02 Daniel Jacobowitz <dan@codesourcery.com>
* configure.srv (x86_64-*-linux*): Turn on thread_db support.
diff --git a/gdb/gdbserver/linux-arm-low.c b/gdb/gdbserver/linux-arm-low.c
index 7c23b17..643da08 100644
--- a/gdb/gdbserver/linux-arm-low.c
+++ b/gdb/gdbserver/linux-arm-low.c
@@ -70,6 +70,12 @@ arm_set_pc (CORE_ADDR pc)
static const unsigned long arm_breakpoint = 0xef9f0001;
#define arm_breakpoint_len 4
+/* For new EABI binaries. We recognize it regardless of which ABI
+ is used for gdbserver, so single threaded debugging should work
+ OK, but for multi-threaded debugging we only insert the current
+ ABI's breakpoint instruction. For now at least. */
+static const unsigned long arm_eabi_breakpoint = 0xe7f001f0;
+
static int
arm_breakpoint_at (CORE_ADDR where)
{
@@ -79,8 +85,12 @@ arm_breakpoint_at (CORE_ADDR where)
if (insn == arm_breakpoint)
return 1;
+ if (insn == arm_eabi_breakpoint)
+ return 1;
+
/* If necessary, recognize more trap instructions here. GDB only uses the
- one. */
+ two. */
+
return 0;
}
@@ -102,7 +112,11 @@ struct linux_target_ops the_low_target = {
arm_cannot_store_register,
arm_get_pc,
arm_set_pc,
+#ifndef __ARM_EABI__
(const unsigned char *) &arm_breakpoint,
+#else
+ (const unsigned char *) &arm_eabi_breakpoint,
+#endif
arm_breakpoint_len,
arm_reinsert_addr,
0,