* ser-e7kpc.c (e7000pc_setstopbits): New function.

[deliverable/binutils-gdb.git] / gdb / m68k-tdep.c

diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c
index c15a1e8a679966e035e0f790a4a45d0345bccc63..5a7715626cea3e1d7c73e924389fa488a0e986ec 100644 (file)
--- a/gdb/m68k-tdep.c
+++ b/gdb/m68k-tdep.c
@@ -637,18 +637,24 @@ fill_fpregset (fpregset_t *fpregsetp, int regno)
 
 #endif /* USE_PROC_FS */
 
-#ifdef GET_LONGJMP_TARGET
 /* 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 PC.
    This routine returns true on success. */
 
+/* NOTE: cagney/2000-11-08: For this function to be fully multi-arched
+   the macro's JB_PC and JB_ELEMENT_SIZE would need to be moved into
+   the ``struct gdbarch_tdep'' object and then set on a target ISA/ABI
+   dependant basis. */
+
 int
-get_longjmp_target (CORE_ADDR *pc)
+m68k_get_longjmp_target (CORE_ADDR *pc)
 {
-  char buf[TARGET_PTR_BIT / TARGET_CHAR_BIT];
+#if defined (JB_PC) && defined (JB_ELEMENT_SIZE)
+  char *buf;
   CORE_ADDR sp, jb_addr;
 
+  buf = alloca (TARGET_PTR_BIT / TARGET_CHAR_BIT);
   sp = read_register (SP_REGNUM);
 
   if (target_read_memory (sp + SP_ARG0,                /* Offset of first arg on stack */
@@ -665,8 +671,11 @@ get_longjmp_target (CORE_ADDR *pc)
   *pc = extract_address (buf, TARGET_PTR_BIT / TARGET_CHAR_BIT);
 
   return 1;
+#else
+  internal_error ("m68k_get_longjmp_target: not implemented");
+  return 0;
+#endif
 }
-#endif /* GET_LONGJMP_TARGET */
 
 /* Immediately after a function call, return the saved pc before the frame
    is setup.  For sun3's, we check for the common case of being inside of a