rtos : linux awareness

Change-Id: I41294ccaa4a3cd253919c8b1b558205903bcb695
Signed-off-by: Michel JAOUEN <michel.jaouen@stericsson.com>
Reviewed-on: http://openocd.zylin.com/348


Tested-by: jenkins
Reviewed-by: Heythem Bouhaja <heythem.bouhaja-nonst@stericsson.com>
Reviewed-by: Øyvind Harboe <oyvindharboe@gmail.com>

src/rtos/Makefile.am

@@ -23,7 +23,7 @@ include $(top_srcdir)/common.mk
 METASOURCES = AUTO
 noinst_LTLIBRARIES = librtos.la
 noinst_HEADERS = rtos.h rtos_standard_stackings.h rtos_ecos_stackings.h 
-librtos_la_SOURCES = rtos.c rtos_standard_stackings.c rtos_ecos_stackings.c FreeRTOS.c ThreadX.c eCos.c
+librtos_la_SOURCES = rtos.c rtos_standard_stackings.c rtos_ecos_stackings.c FreeRTOS.c ThreadX.c eCos.c linux.c
 
 librtos_la_CFLAGS =
 if IS_MINGW

src/rtos/linux_header.h

+/*  gdb script to update the header file
+  according to kernel version and build option
+  before executing function awareness
+  kernel symbol must be loaded : symbol vmlinux
+
+define awareness
+ set logging off
+ set logging file linux_header.h
+ set logging on
+
+ printf "#define QAT %p\n",&((struct task_struct *)(0))->stack
+ set $a=&((struct list_head *)(0))->next
+ set $a=(int)$a+(int)&((struct task_struct *)(0))->tasks
+ printf "#define NEXT  %p\n",$a
+ printf "#define COMM  %p\n",&((struct task_struct *)(0))->comm
+ printf "#define MEM  %p\n",&((struct task_struct *)(0))->mm
+ printf "#define ONCPU %p\n",&((struct task_struct *)(0))->on_cpu
+ printf "#define PID %p\n",&((struct task_struct *)(0))->pid
+ printf "#define CPU_CONT %p\n",&((struct thread_info *)(0))->cpu_context
+ printf "#define PREEMPT %p\n",&((struct thread_info *)(0))->preempt_count
+ printf "#define MM_CTX %p\n",&((struct mm_struct *)(0))->context
+ end
+*/
+#define QAT 0x4
+#define NEXT  0x1b0
+#define COMM  0x2d4
+#define MEM  0x1cc
+#define ONCPU 0x18
+#define PID 0x1f4
+#define CPU_CONT 0x1c
+#define PREEMPT 0x4
+#define MM_CTX 0x160

src/rtos/rtos.c

@@ -37,12 +37,14 @@ static void hex_to_str( char* dst, char * hex_src );
 extern struct rtos_type FreeRTOS_rtos;
 extern struct rtos_type ThreadX_rtos;
 extern struct rtos_type eCos_rtos;
+extern struct rtos_type Linux_os;
 
 static struct rtos_type *rtos_types[] =
 {
 	&ThreadX_rtos,
 	&FreeRTOS_rtos,
 	&eCos_rtos,
+	&Linux_os,
 	NULL
 };