* Problems to hpbsd-bugs@cs.utah.edu
*/
+#define HAVE_68881
+
+/* Define BPT_VECTOR if it is different than the default.
+ This is the vector number used by traps to indicate a breakpoint. */
+
+#define BPT_VECTOR 0x2
+
/* Define this if the C compiler puts an underscore at the front
of external names before giving them to the linker. */
#define NAMES_HAVE_UNDERSCORE
-/* Debugger information will be in DBX format. */
-
-#define READ_DBX_FORMAT
-
#define TARGET_NBPG 4096
#define TARGET_UPAGES 3
#define STACK_END_ADDR 0xfff00000
-/* Sequence of bytes for breakpoint instruction. */
-
-#define BREAKPOINT {0x4e, 0x42}
-
-\f
-/* Things needed for making the inferior call functions. */
-
-/* Push an empty stack frame, to record the current PC, etc. */
-
-#define PUSH_DUMMY_FRAME \
-{ register CORE_ADDR sp = read_register (SP_REGNUM); \
- register int regnum; \
- char raw_buffer[12]; \
- sp = push_word (sp, read_register (PC_REGNUM)); \
- sp = push_word (sp, read_register (FP_REGNUM)); \
- write_register (FP_REGNUM, sp); \
- for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--) \
- { read_register_gen (regnum, raw_buffer); \
- sp = push_bytes (sp, raw_buffer, 12); } \
- for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) \
- sp = push_word (sp, read_register (regnum)); \
- sp = push_word (sp, read_register (PS_REGNUM)); \
- write_register (SP_REGNUM, sp); }
-
-/* Discard from the stack the innermost frame,
- restoring all saved registers. */
-
-#define POP_FRAME \
-{ register FRAME frame = get_current_frame (); \
- register CORE_ADDR fp; \
- register int regnum; \
- struct frame_saved_regs fsr; \
- struct frame_info *fi; \
- char raw_buffer[12]; \
- fi = get_frame_info (frame); \
- fp = fi->frame; \
- get_frame_saved_regs (fi, &fsr); \
- for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--) \
- if (fsr.regs[regnum]) \
- { read_memory (fsr.regs[regnum], raw_buffer, 12); \
- write_register_bytes (REGISTER_BYTE (regnum), raw_buffer, 12); }\
- for (regnum = FP_REGNUM - 1; regnum >= 0; regnum--) \
- if (fsr.regs[regnum]) \
- write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \
- if (fsr.regs[PS_REGNUM]) \
- write_register (PS_REGNUM, read_memory_integer (fsr.regs[PS_REGNUM], 4)); \
- write_register (FP_REGNUM, read_memory_integer (fp, 4)); \
- write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \
- write_register (SP_REGNUM, fp + 8); \
- flush_cached_frames (); \
- set_current_frame (create_new_frame (read_register (FP_REGNUM),\
- read_pc ())); }
-
-/* This sequence of words is the instructions
- fmovem 0xff,-(sp)
- moveml 0xfffc,-(sp)
- clrw -(sp)
- movew ccr,-(sp)
- /..* The arguments are pushed at this point by GDB;
- no code is needed in the dummy for this.
- The CALL_DUMMY_START_OFFSET gives the position of
- the following jsr instruction. *../
- jsr @#32323232
- addl #69696969,sp
- trap #2
- nop
-Note this is 28 bytes.
-We actually start executing at the jsr, since the pushing of the
-registers is done by PUSH_DUMMY_FRAME. If this were real code,
-the arguments for the function called by the jsr would be pushed
-between the moveml and the jsr, and we could allow it to execute through.
-But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is done,
-and we cannot allow the moveml to push the registers again lest they be
-taken for the arguments. */
-
-#define CALL_DUMMY {0xf227e0ff, 0x48e7fffc, 0x426742e7, 0x4eb93232, 0x3232dffc, 0x69696969, 0x4e424e71}
-
-#define CALL_DUMMY_LENGTH 28
-
-#define CALL_DUMMY_START_OFFSET 12
-
-/* Insert the specified number of args and function address
- into a call sequence of the above form stored at DUMMYNAME. */
-
-#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
-{ *(int *)((char *) dummyname + 20) = nargs * 4; \
- *(int *)((char *) dummyname + 14) = fun; }
-\f
-#define HAVE_68881
-
#include "tm-68k.h"