#define DATAROUND 0x20000
#define N_DATADDR(hdr) (hdr.a_magic != OMAGIC ? \
(hdr.a_text + DATAROUND) & ~(DATAROUND-1) : hdr.a_text)
#define N_TXTADDR(hdr) (hdr.a_magic != OMAGIC ? sizeof (struct exec) : 0)
#define DECR_PC_AFTER_BREAK 0
extern int isi_frame_num_args (struct frame_info *fi);
#define FRAME_NUM_ARGS(fi) (isi_frame_num_args ((fi)))
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
{ register int regnum; \
register int regmask; \
register CORE_ADDR next_addr; \
register CORE_ADDR pc; \
register int insn; \
register int offset; \
memset (&frame_saved_regs, '\0', sizeof frame_saved_regs); \
if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM*4 - 8*12 - 4 \
&& (frame_info)->pc <= (frame_info)->frame) \
{ next_addr = (frame_info)->frame; \
pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 8*12 - 4; }\
else \
{ pc = get_pc_function_start ((frame_info)->pc); \
\
retry: \
insn = read_memory_integer (pc, 2); \
if (insn == 044016) \
next_addr = (frame_info)->frame - read_memory_integer (pc += 2, 4), pc+=4; \
else if (insn == 047126) \
next_addr = (frame_info)->frame - read_memory_integer (pc += 2, 2), pc+=2; \
else if ((insn & 0177400) == 060000) \
{ offset = insn & 0377; \
pc += 2; \
if (offset == 0) \
offset = read_memory_integer (pc, 2), pc += 2; \
else if (offset == 0377) \
offset = read_memory_integer (pc, 4), pc += 4; \
pc += offset; \
goto retry; \
} else goto lose; \
\
if ((0177777 & read_memory_integer (pc, 2)) == 0157774) \
next_addr += read_memory_integer (pc += 2, 4), pc += 4; \
} \
\
insn = read_memory_integer (pc, 2), pc += 2; \
regmask = read_memory_integer (pc, 2); \
if ((insn & 0177760) == 022700) \
(frame_saved_regs).regs[(insn&7) + ((insn&010)?8:0)] = next_addr; \
else if ((insn & 0177760) == 024700) \
(frame_saved_regs).regs[(insn&7) + ((insn&010)?8:0)] = next_addr-=4; \
else if (insn == 0044327) \
{ pc += 2; \
\
next_addr -= 4; \
for (regnum = 0; regnum < 16; regnum++, regmask >>= 1) \
if (regmask & 1) \
(frame_saved_regs).regs[regnum] = (next_addr += 4); \
} else if (insn == 0044347) \
{ pc += 2; \
\
for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1) \
if (regmask & 1) \
(frame_saved_regs).regs[regnum] = (next_addr -= 4); } \
\
if (read_memory_integer (pc, 2) == 041147 \
&& read_memory_integer (pc+2, 2) == 042347) \
(frame_saved_regs).regs[PS_REGNUM] = (next_addr -= 4); \
lose: ; \
(frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 8; \
(frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame; \
(frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \
}
extern CORE_ADDR isi_skip_prologue (CORE_ADDR);
#define SKIP_PROLOGUE(pc) (isi_skip_prologue (pc))
#include "m68k/tm-m68k.h"