/* Target-dependent code for the NEC V850 for GDB, the GNU debugger.
Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
- 2008, 2009 Free Software Foundation, Inc.
+ 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
This file is part of GDB.
return 0;
}
- /* The value is a union which contains at least one field which would be
- returned in registers according to these rules -> returned in register. */
+ /* The value is a union which contains at least one field which
+ would be returned in registers according to these rules ->
+ returned in register. */
if (TYPE_CODE (type) == TYPE_CODE_UNION)
{
for (i = 0; i < TYPE_NFIELDS (type); ++i)
else
reg_table = pushmh_reg_table;
- /* Calculate the total size of the saved registers, and add it it to the
+ /* Calculate the total size of the saved registers, and add it to the
immediate value used to adjust SP. */
for (i = 0; reg_table[i].mask != 0; i++)
if (list12 & reg_table[i].mask)
{
/* The caller-save registers are R2, R20 - R29 and R31. All other
registers are either special purpose (PC, SP), argument registers,
- or just considered free for use in the caller. */
+ or just considered free for use in the caller. */
return reg == E_R2_REGNUM
|| (reg >= E_R20_REGNUM && reg <= E_R29_REGNUM)
|| reg == E_R31_REGNUM;
prologue. */
static CORE_ADDR
-v850_analyze_prologue (CORE_ADDR func_addr, CORE_ADDR pc,
+v850_analyze_prologue (struct gdbarch *gdbarch,
+ CORE_ADDR func_addr, CORE_ADDR pc,
struct v850_frame_cache *pi, ULONGEST ctbp)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR prologue_end, current_pc;
struct pifsr pifsrs[E_NUM_REGS + 1];
struct pifsr *pifsr, *pifsr_tmp;
int insn;
int insn2 = -1; /* dummy value */
- insn = read_memory_integer (current_pc, 2);
+ insn = read_memory_integer (current_pc, 2, byte_order);
current_pc += 2;
- if ((insn & 0x0780) >= 0x0600) /* Four byte instruction? */
+ if ((insn & 0x0780) >= 0x0600) /* Four byte instruction? */
{
- insn2 = read_memory_integer (current_pc, 2);
+ insn2 = read_memory_integer (current_pc, 2, byte_order);
current_pc += 2;
}
save_pc = current_pc;
save_end = prologue_end;
regsave_func_p = 1;
- current_pc = ctbp + (read_memory_unsigned_integer (adr, 2) & 0xffff);
+ current_pc = ctbp + (read_memory_unsigned_integer (adr, 2, byte_order)
+ & 0xffff);
prologue_end = (current_pc
+ (2 * 3) /* prepare list2,imm5,sp/imm */
+ 4 /* ctret */
|| (insn & 0xffe0) == 0x0060 /* jmp */
|| (insn & 0x0780) == 0x0580) /* branch */
{
- break; /* Ran into end of prologue */
+ break; /* Ran into end of prologue. */
}
else if ((insn & 0xffe0) == ((E_SP_REGNUM << 11) | 0x0240))
{
CORE_ADDR func_addr, func_end;
- /* See what the symbol table says */
+ /* See what the symbol table says. */
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
return pc;
}
- /* We can't find the start of this function, so there's nothing we can do. */
+ /* We can't find the start of this function, so there's nothing we
+ can do. */
return pc;
}
int struct_return,
CORE_ADDR struct_addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int argreg;
int argnum;
int len = 0;
if (!v850_type_is_scalar (value_type (*args))
&& TYPE_LENGTH (value_type (*args)) > E_MAX_RETTYPE_SIZE_IN_REGS)
{
- store_unsigned_integer (valbuf, 4, value_address (*args));
+ store_unsigned_integer (valbuf, 4, byte_order,
+ value_address (*args));
len = 4;
val = valbuf;
}
{
CORE_ADDR regval;
- regval = extract_unsigned_integer (val, v850_reg_size);
+ regval = extract_unsigned_integer (val, v850_reg_size, byte_order);
regcache_cooked_write_unsigned (regcache, argreg, regval);
len -= v850_reg_size;
v850_extract_return_value (struct type *type, struct regcache *regcache,
gdb_byte *valbuf)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
if (len <= v850_reg_size)
ULONGEST val;
regcache_cooked_read_unsigned (regcache, E_V0_REGNUM, &val);
- store_unsigned_integer (valbuf, len, val);
+ store_unsigned_integer (valbuf, len, byte_order, val);
}
else if (len <= 2 * v850_reg_size)
{
v850_store_return_value (struct type *type, struct regcache *regcache,
const gdb_byte *valbuf)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
if (len <= v850_reg_size)
- regcache_cooked_write_unsigned (regcache, E_V0_REGNUM,
- extract_unsigned_integer (valbuf, len));
+ regcache_cooked_write_unsigned
+ (regcache, E_V0_REGNUM,
+ extract_unsigned_integer (valbuf, len, byte_order));
else if (len <= 2 * v850_reg_size)
{
int i, regnum = E_V0_REGNUM;
static struct v850_frame_cache *
v850_frame_cache (struct frame_info *this_frame, void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct v850_frame_cache *cache;
CORE_ADDR current_pc;
int i;
{
ULONGEST ctbp;
ctbp = get_frame_register_unsigned (this_frame, E_CTBP_REGNUM);
- v850_analyze_prologue (cache->pc, current_pc, cache, ctbp);
+ v850_analyze_prologue (gdbarch, cache->pc, current_pc, cache, ctbp);
}
if (!cache->uses_fp)
static const struct frame_unwind v850_frame_unwind = {
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
v850_frame_this_id,
v850_frame_prev_register,
NULL,
set_gdbarch_register_type (gdbarch, v850_register_type);
- set_gdbarch_char_signed (gdbarch, 0);
+ set_gdbarch_char_signed (gdbarch, 1);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
projects / deliverable / binutils-gdb.git / blobdiff