diff options
Diffstat (limited to 'gdb/ns32k-tdep.c')
| -rw-r--r-- | gdb/ns32k-tdep.c | 101 |
1 files changed, 50 insertions, 51 deletions
diff --git a/gdb/ns32k-tdep.c b/gdb/ns32k-tdep.c index 57efe07..825247f 100644 --- a/gdb/ns32k-tdep.c +++ b/gdb/ns32k-tdep.c @@ -34,22 +34,22 @@ _initialize_ns32k_tdep (void) /* Advance PC across any function entry prologue instructions to reach some "real" code. */ -CORE_ADDR -merlin_skip_prologue (CORE_ADDR pc) -{ - register int op = read_memory_integer (pc, 1); - if (op == 0x82) - { - op = read_memory_integer (pc + 2, 1); - if ((op & 0x80) == 0) - pc += 3; - else if ((op & 0xc0) == 0x80) - pc += 4; - else - pc += 6; - } - return pc; -} +/* OBSOLETE CORE_ADDR */ +/* OBSOLETE merlin_skip_prologue (CORE_ADDR pc) */ +/* OBSOLETE { */ +/* OBSOLETE register int op = read_memory_integer (pc, 1); */ +/* OBSOLETE if (op == 0x82) */ +/* OBSOLETE { */ +/* OBSOLETE op = read_memory_integer (pc + 2, 1); */ +/* OBSOLETE if ((op & 0x80) == 0) */ +/* OBSOLETE pc += 3; */ +/* OBSOLETE else if ((op & 0xc0) == 0x80) */ +/* OBSOLETE pc += 4; */ +/* OBSOLETE else */ +/* OBSOLETE pc += 6; */ +/* OBSOLETE } */ +/* OBSOLETE return pc; */ +/* OBSOLETE } */ CORE_ADDR umax_skip_prologue (CORE_ADDR pc) @@ -71,46 +71,46 @@ umax_skip_prologue (CORE_ADDR pc) /* Return number of args passed to a frame. Can return -1, meaning no way to tell. */ -int -merlin_frame_num_args (struct frame_info *fi) -{ - int numargs; - CORE_ADDR pc; - int insn; - int addr_mode; - int width; - - pc = FRAME_SAVED_PC (fi); - insn = read_memory_integer (pc, 2); - addr_mode = (insn >> 11) & 0x1f; - insn = insn & 0x7ff; - if ((insn & 0x7fc) == 0x57c - && addr_mode == 0x14) /* immediate */ - { - if (insn == 0x57c) /* adjspb */ - width = 1; - else if (insn == 0x57d) /* adjspw */ - width = 2; - else if (insn == 0x57f) /* adjspd */ - width = 4; - else - internal_error (__FILE__, __LINE__, "bad else"); - numargs = read_memory_integer (pc + 2, width); - if (width > 1) - flip_bytes (&numargs, width); - numargs = -sign_extend (numargs, width * 8) / 4; - } - else - numargs = -1; - return numargs; -} - +/* OBSOLETE int */ +/* OBSOLETE merlin_frame_num_args (struct frame_info *fi) */ +/* OBSOLETE { */ +/* OBSOLETE int numargs; */ +/* OBSOLETE CORE_ADDR pc; */ +/* OBSOLETE int insn; */ +/* OBSOLETE int addr_mode; */ +/* OBSOLETE int width; */ +/* OBSOLETE */ +/* OBSOLETE pc = FRAME_SAVED_PC (fi); */ +/* OBSOLETE insn = read_memory_integer (pc, 2); */ +/* OBSOLETE addr_mode = (insn >> 11) & 0x1f; */ +/* OBSOLETE insn = insn & 0x7ff; */ +/* OBSOLETE if ((insn & 0x7fc) == 0x57c */ +/* OBSOLETE && addr_mode == 0x14) *//* immediate */ +/* OBSOLETE { */ +/* OBSOLETE if (insn == 0x57c) *//* adjspb */ +/* OBSOLETE width = 1; */ +/* OBSOLETE else if (insn == 0x57d) *//* adjspw */ +/* OBSOLETE width = 2; */ +/* OBSOLETE else if (insn == 0x57f) *//* adjspd */ +/* OBSOLETE width = 4; */ +/* OBSOLETE else */ +/* OBSOLETE internal_error (__FILE__, __LINE__, "bad else"); */ +/* OBSOLETE numargs = read_memory_integer (pc + 2, width); */ +/* OBSOLETE if (width > 1) */ +/* OBSOLETE flip_bytes (&numargs, width); */ +/* OBSOLETE numargs = -sign_extend (numargs, width * 8) / 4; */ +/* OBSOLETE } */ +/* OBSOLETE else */ +/* OBSOLETE numargs = -1; */ +/* OBSOLETE return numargs; */ +/* OBSOLETE } */ /* Return number of args passed to a frame. Can return -1, meaning no way to tell. Encore's C compiler often reuses same area on stack for args, so this will often not work properly. If the arg names are known, it's likely most of them will be printed. */ + int umax_frame_num_args (struct frame_info *fi) { @@ -151,7 +151,6 @@ umax_frame_num_args (struct frame_info *fi) return numargs; } - static int sign_extend (int value, int bits) { |