Reindented to GNU standard. No semantic changes. This checkin is to

[deliverable/binutils-gdb.git] / gdb / tm-amix.h

diff --git a/gdb/tm-amix.h b/gdb/tm-amix.h
index e13fc895301fbe2de3242bb6f63376d276ef17be..9a43be72613e113ba7a0f6612a17b3d95cfd18f1 100644 (file)
--- a/gdb/tm-amix.h
+++ b/gdb/tm-amix.h
@@ -45,3 +45,33 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include "tm-sysv4.h"
 #include "tm-68k.h"
+
+/* Offsets (in target ints) into jmp_buf.  Not defined in any system header
+   file, so we have to step through setjmp/longjmp with a debugger and figure
+   them out.  As a double check, note that <setjmp> defines _JBLEN as 13,
+   which matches the number of elements we see saved by setjmp(). */
+
+#define JB_ELEMENT_SIZE sizeof(int)    /* jmp_buf[_JBLEN] is array of ints */
+
+#define JB_D2  0
+#define JB_D3  1
+#define JB_D4  2
+#define JB_D5  3
+#define JB_D6  4
+#define JB_D7  5
+#define JB_A1  6
+#define JB_A2  7
+#define JB_A3  8
+#define JB_A4  9
+#define JB_A5  10
+#define JB_A6  11
+#define JB_A7  12
+
+#define JB_PC  JB_A1   /* Setjmp()'s return PC saved in A1 */
+
+/* Figure out where the longjmp will land.  Slurp the args out of the stack.
+   We expect the first arg to be a pointer to the jmp_buf structure from which
+   we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
+   This routine returns true on success */
+
+#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)