instruction in the instruction set.
The BP for ms1 is defined as 0x68000000 (BREAK).
- The BP for ms2 is defined as 0x69000000 (illegal) */
+ The BP for ms2 is defined as 0x69000000 (illegal). */
static const gdb_byte *
mt_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *bp_addr,
unsigned index, base;
gdb_byte copro[4];
- /* Get the copro pseudo regnum. */
+ /* Get the copro pseudo regnum. */
regcache_raw_read (regcache, MT_COPRO_REGNUM, copro);
base = ((extract_signed_integer (&copro[0], 2, byte_order)
* MT_COPRO_PSEUDOREG_DIM_2)
struct mt_unwind_cache
{
- /* The previous frame's inner most stack address.
+ /* The previous frame's inner most stack address.
Used as this frame ID's stack_addr. */
CORE_ADDR prev_sp;
CORE_ADDR frame_base;
info->frameless_p = 1;
info->saved_regs = trad_frame_alloc_saved_regs (this_frame);
- /* Grab the frame-relative values of SP and FP, needed below.
+ /* Grab the frame-relative values of SP and FP, needed below.
The frame_saved_register function will find them on the
stack or in the registers as appropriate. */
sp = get_frame_register_unsigned (this_frame, MT_SP_REGNUM);
for (next_addr = start_addr; next_addr < end_addr; next_addr += 4)
{
instr = get_frame_memory_unsigned (this_frame, next_addr, 4);
- if (delayed_store) /* previous instr was a push */
+ if (delayed_store) /* Previous instr was a push. */
{
upper_half = delayed_store >> 16;
regnum = upper_half & 0xf;
offset = delayed_store & 0xffff;
switch (upper_half & 0xfff0)
{
- case 0x43c0: /* push using frame pointer */
+ case 0x43c0: /* push using frame pointer. */
info->saved_regs[regnum].addr = offset;
break;
- case 0x43d0: /* push using stack pointer */
+ case 0x43d0: /* push using stack pointer. */
info->saved_regs[regnum].addr = offset;
break;
default: /* lint */
case 0x12000000: /* NO-OP */
continue;
case 0x12ddc000: /* copy sp into fp */
- info->frameless_p = 0; /* Record that the frame pointer is in use. */
+ info->frameless_p = 0; /* Record that the frame
+ pointer is in use. */
continue;
default:
upper_half = instr >> 16;
keep scanning until we reach it (or we reach end_addr). */
if (prologue_end_addr && (prologue_end_addr > (next_addr + 4)))
- continue; /* Keep scanning, recording saved_regs etc. */
+ continue; /* Keep scanning, recording saved_regs etc. */
else
- break; /* Quit scanning: breakpoint can be set here. */
+ break; /* Quit scanning: breakpoint can be set here. */
}
}
set_gdbarch_unwind_pc (gdbarch, mt_unwind_pc);
set_gdbarch_unwind_sp (gdbarch, mt_unwind_sp);
- /* Methods for saving / extracting a dummy frame's ID.
+ /* Methods for saving / extracting a dummy frame's ID.
The ID's stack address must match the SP value returned by
PUSH_DUMMY_CALL, and saved by generic_save_dummy_frame_tos. */
set_gdbarch_dummy_id (gdbarch, mt_dummy_id);