fix repeated ext_format_i960 local decls so sun4 cc accepts it

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

diff --git a/gdb/tm-amix.h b/gdb/tm-amix.h
index 056bd82ae8ae18e0fc405091a2754e42684aedbf..9a43be72613e113ba7a0f6612a17b3d95cfd18f1 100644 (file)
--- a/gdb/tm-amix.h
+++ b/gdb/tm-amix.h
@@ -21,36 +21,57 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* All Amiga's (so far) running UNIX have come standard with the floating
    point coprocessor. */
 
-#define HAVE_68881     /* Amiga has floating point coprocessor */
+#define HAVE_68881
 
-/* Sequence of bytes for breakpoint instruction.
-   This is a TRAP instruction.  The last 4 bits (0x1 below) is the
-   vector. */
+/* Define BPT_VECTOR if it is different than the default.
+   This is the vector number used by traps to indicate a breakpoint. */
 
-#define BREAKPOINT {0x4e, 0x41 }       /* Trap using vector 0x1 */
+#define BPT_VECTOR 0x1
 
 /* How much to decrement the PC after a trap.  Depends on kernel. */
 
 #define DECR_PC_AFTER_BREAK 0          /* No decrement required */
 
-
-#include "tm-68k.h"
-#include "tm-svr4.h"
-
-/* Address of end of stack space. (actually one byte past it).
+/* Address of end of stack space.  Actually one byte past it.
    This value is typically very OS dependent.
    FIXME:  Check to see if SVR4 offers some machine independent way
    of discovering this value and use it if so, and if we need it. */
 
 /* #define STACK_END_ADDR 0xc0800000 */
 
-/* Use the alternate method of avoiding running up off the end of
-   the frame chain or following frames back into the startup code.
-   See the comments in blockframe.c */
-   
-#undef FRAME_CHAIN_VALID
-#define FRAME_CHAIN_VALID(chain, thisframe)    \
-  (chain != 0                                  \
-   && !(inside_main_scope ((thisframe)->pc))   \
-   && !(inside_entry_scope ((thisframe)->pc)))
+/* Use the alternate method of determining valid frame chains. */
+
+#define FRAME_CHAIN_VALID_ALTERNATE
+
+#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)