gdb: testsuite: add Blackfin support

This fills out a few of the test places where needed for Blackfin targets.

Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

gdb/testsuite/ChangeLog

@@ -1,3 +1,9 @@
+2011-07-06  Jie Zhang  <jie.zhang@analog.com>
+
+	* config/bfin.exp: New file.
+	* gdb.asm/asm-source.exp (bfin-*-*): Handle Blackfin targets.
+	* gdb.asm/bfin.inc: New file.
+
 2011-07-06  Marek Polacek  <mpolacek@redhat.com>
 
 	* gdb.python/py-evthreads.exp: Fix race by adding an anchor to match 

gdb/testsuite/config/bfin.exp

@@ -0,0 +1 @@
+load_lib "../config/monitor.exp";

gdb/testsuite/gdb.asm/asm-source.exp

@@ -43,6 +43,9 @@ switch -glob -- [istarget] {
     "arm*-*-*" {
         set asm-arch arm
     }
+    "bfin-*-*" {
+        set asm-arch bfin
+    }
     "frv-*-*" {
 	set asm-arch frv
     }

gdb/testsuite/gdb.asm/bfin.inc

@@ -0,0 +1,45 @@
+	comment "subroutine prologue"
+	.macro gdbasm_enter
+	LINK 12;
+	.endm
+
+	comment "subroutine epilogue"
+	.macro gdbasm_leave
+	UNLINK;
+	RTS;
+	.endm
+
+	.macro gdbasm_call subr
+	call \subr;
+	.endm
+
+	.macro gdbasm_several_nops
+	mnop;
+	mnop;
+	mnop;
+	mnop;
+	.endm
+
+	comment "exit (0)"
+	.macro gdbasm_exit0
+	R0 = 0;
+	EXCPT 0;
+	NOP;
+	.endm
+
+	comment "crt0 startup"
+	.macro gdbasm_startup
+	FP = 0;
+	LINK 0xc;
+	.endm
+
+	comment "Declare a data variable"
+	.purgem gdbasm_datavar
+	.macro gdbasm_datavar name value
+	.data
+	.align 4
+	.type	\name, @object
+	.size	\name, 4
+\name:
+	.long \value
+	.endm