libgloss/

	* m68k/Makefile.in (bdm-semihost.o): Build from bdm-semihost.S.
	* m68k/bdm-semihost.c: Remove.
	* m68k/bdm-semihost.S: New.
	* m68k/bdm-crt0.S: Don't install semihosting trap handler.
	* m68k/bdm-close.c, bdm-exit.c, bdm-fstat.c, bdm-gettimeofday.c,
	bdm-isatty.c, bdm-lseek.c, bdm-open.c, bdm-read.c, bdm-rename.c,
	bdm-stat.c, bdm-system.c, bdm-unlink.c, bdm-write.c): Update.
	* m68k/bdm-isrs.c: Update comment.
	* m68k/bdm-semihost.h (BDM_TRAPNUM, BDM_FUNC_REG, BDM_ARG_REG,
	BDM_TRAP): Remove.
	(__bdm_semihost): Declare.

1 files changed, 1 insertions, 24 deletions

diff --git a/libgloss/m68k/bdm-semihost.h b/libgloss/m68k/bdm-semihost.h
index 4d6e2b9cc..d82027557 100644
--- a/libgloss/m68k/bdm-semihost.h
+++ b/libgloss/m68k/bdm-semihost.h
@@ -14,21 +14,6 @@
  * they apply.
  */
 
-/* Semihosting uses a user trap handler containing a HALT
-   instruction.  This wakes the debugger to perform some action.  */
-
-/* This is the semihosting trap hander */
-#define BDM_TRAPNUM 15
-
-/* This register holds the function enumeration for a semihosting
-   command.  */
-#define BDM_FUNC_REG "d0"
-
-/* This register holds the argument for the semihosting call.  For most
-   functions, this is a pointer to a block of memory that holds the input
-   and output parameters for the remote file i/o operation.  */
-#define BDM_ARG_REG  "d1"
-
 /* Codes for BDM_FUNC_REG.  */
 
 #define BDM_EXIT  0
@@ -46,12 +31,4 @@
 #define BDM_ISATTY 12
 #define BDM_SYSTEM 13
 
-/* Here is the macro that generates the trap. */
-
-#define BDM_TRAP(func, arg) \
-  __asm__ __volatile__ ("move.l %0,%/" BDM_ARG_REG "\n" \
-			"moveq %1,%/" BDM_FUNC_REG "\n" \
-			"trap %2" \
-			:: "rmi" (arg), "n" (func), "n" (BDM_TRAPNUM) \
-			: BDM_FUNC_REG,BDM_ARG_REG,"memory")
-
+extern int __bdm_semihost (int func, void *args);