/* Target-machine dependent code for Renesas H8/300, for GDB.
- Copyright (C) 1988, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
- 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 1988, 1990-1996, 1998-2003, 2005, 2007-2012 Free
+ Software Foundation, Inc.
This file is part of GDB.
CORE_ADDR sp_offset;
CORE_ADDR pc;
- /* Flag showing that a frame has been created in the prologue code. */
+ /* Flag showing that a frame has been created in the prologue code. */
int uses_fp;
/* Saved registers. */
#define IS_MOVW_Rn16_SP(x) (((x) & 0xfff0) == 0x6fe0)
#define IS_MOVW_EXT(x) ((x) == 0x78e0)
#define IS_MOVW_Rn24_SP(x) (((x) & 0xfff0) == 0x6ba0)
-/* Same instructions as mov.w, just prefixed with 0x0100 */
+/* Same instructions as mov.w, just prefixed with 0x0100. */
#define IS_MOVL_PRE(x) ((x) == 0x0100)
#define IS_MOVL_Rn16_SP(x) (((x) & 0xfff0) == 0x6fe0)
#define IS_MOVL_EXT(x) ((x) == 0x78e0)
is used, it could be a byte, word or long move to registers r3-r5. */
static int
-h8300_is_argument_spill (CORE_ADDR pc)
+h8300_is_argument_spill (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- int w = read_memory_unsigned_integer (pc, 2);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ int w = read_memory_unsigned_integer (pc, 2, byte_order);
if ((IS_MOVB_RnRm (w) || IS_MOVW_RnRm (w) || IS_MOVL_RnRm (w))
&& (w & 0x70) <= 0x20 /* Rs is R0, R1 or R2 */
if (IS_MOVB_Rn16_SP (w)
&& 8 <= (w & 0xf) && (w & 0xf) <= 10) /* Rs is R0L, R1L, or R2L */
{
- if (read_memory_integer (pc + 2, 2) < 0) /* ... and d:16 is negative. */
+ /* ... and d:16 is negative. */
+ if (read_memory_integer (pc + 2, 2, byte_order) < 0)
return 4;
}
else if (IS_MOVB_EXT (w))
{
- if (IS_MOVB_Rn24_SP (read_memory_unsigned_integer (pc + 2, 2)))
+ if (IS_MOVB_Rn24_SP (read_memory_unsigned_integer (pc + 2,
+ 2, byte_order)))
{
- LONGEST disp = read_memory_integer (pc + 4, 4);
+ LONGEST disp = read_memory_integer (pc + 4, 4, byte_order);
/* ... and d:24 is negative. */
if (disp < 0 && disp > 0xffffff)
&& (w & 0xf) <= 2) /* Rs is R0, R1, or R2 */
{
/* ... and d:16 is negative. */
- if (read_memory_integer (pc + 2, 2) < 0)
+ if (read_memory_integer (pc + 2, 2, byte_order) < 0)
return 4;
}
else if (IS_MOVW_EXT (w))
{
- if (IS_MOVW_Rn24_SP (read_memory_unsigned_integer (pc + 2, 2)))
+ if (IS_MOVW_Rn24_SP (read_memory_unsigned_integer (pc + 2,
+ 2, byte_order)))
{
- LONGEST disp = read_memory_integer (pc + 4, 4);
+ LONGEST disp = read_memory_integer (pc + 4, 4, byte_order);
/* ... and d:24 is negative. */
if (disp < 0 && disp > 0xffffff)
}
else if (IS_MOVL_PRE (w))
{
- int w2 = read_memory_integer (pc + 2, 2);
+ int w2 = read_memory_integer (pc + 2, 2, byte_order);
if (IS_MOVL_Rn16_SP (w2)
&& (w2 & 0xf) <= 2) /* Rs is ER0, ER1, or ER2 */
{
/* ... and d:16 is negative. */
- if (read_memory_integer (pc + 4, 2) < 0)
+ if (read_memory_integer (pc + 4, 2, byte_order) < 0)
return 6;
}
else if (IS_MOVL_EXT (w2))
{
- int w3 = read_memory_integer (pc + 4, 2);
+ int w3 = read_memory_integer (pc + 4, 2, byte_order);
- if (IS_MOVL_Rn24_SP (read_memory_integer (pc + 4, 2)))
+ if (IS_MOVL_Rn24_SP (read_memory_integer (pc + 4, 2, byte_order)))
{
- LONGEST disp = read_memory_integer (pc + 6, 4);
+ LONGEST disp = read_memory_integer (pc + 6, 4, byte_order);
/* ... and d:24 is negative. */
if (disp < 0 && disp > 0xffffff)
*/
static CORE_ADDR
-h8300_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc,
+h8300_analyze_prologue (struct gdbarch *gdbarch,
+ CORE_ADDR pc, CORE_ADDR current_pc,
struct h8300_frame_cache *cache)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
unsigned int op;
int regno, i, spill_size;
if (pc >= current_pc)
return current_pc;
- op = read_memory_unsigned_integer (pc, 4);
+ op = read_memory_unsigned_integer (pc, 4, byte_order);
if (IS_PUSHFP_MOVESPFP (op))
{
pc += 4;
if (pc >= current_pc)
return current_pc;
- op = read_memory_unsigned_integer (pc, 2);
+ op = read_memory_unsigned_integer (pc, 2, byte_order);
if (IS_MOV_SP_FP (op))
{
cache->uses_fp = 1;
while (pc < current_pc)
{
- op = read_memory_unsigned_integer (pc, 2);
+ op = read_memory_unsigned_integer (pc, 2, byte_order);
if (IS_SUB2_SP (op))
{
cache->sp_offset += 2;
}
else if (IS_ADD_IMM_SP (op))
{
- cache->sp_offset += -read_memory_integer (pc + 2, 2);
+ cache->sp_offset += -read_memory_integer (pc + 2, 2, byte_order);
pc += 4;
}
else if (IS_SUB_IMM_SP (op))
{
- cache->sp_offset += read_memory_integer (pc + 2, 2);
+ cache->sp_offset += read_memory_integer (pc + 2, 2, byte_order);
pc += 4;
}
else if (IS_SUBL4_SP (op))
}
else if (IS_MOV_IMM_Rn (op))
{
- int offset = read_memory_integer (pc + 2, 2);
+ int offset = read_memory_integer (pc + 2, 2, byte_order);
regno = op & 0x000f;
- op = read_memory_unsigned_integer (pc + 4, 2);
+ op = read_memory_unsigned_integer (pc + 4, 2, byte_order);
if (IS_ADD_RnSP (op) && (op & 0x00f0) == regno)
{
cache->sp_offset -= offset;
}
else if (op == 0x0100)
{
- op = read_memory_unsigned_integer (pc + 2, 2);
+ op = read_memory_unsigned_integer (pc + 2, 2, byte_order);
if (IS_PUSH (op))
{
regno = op & 0x000f;
else if ((op & 0xffcf) == 0x0100)
{
int op1;
- op1 = read_memory_unsigned_integer (pc + 2, 2);
+ op1 = read_memory_unsigned_integer (pc + 2, 2, byte_order);
if (IS_PUSH (op1))
{
/* Since the prefix is 0x01x0, this is not a simple pushm but a
/* Check for spilling an argument register to the stack frame.
This could also be an initializing store from non-prologue code,
but I don't think there's any harm in skipping that. */
- while ((spill_size = h8300_is_argument_spill (pc)) > 0
+ while ((spill_size = h8300_is_argument_spill (gdbarch, pc)) > 0
&& pc + spill_size <= current_pc)
pc += spill_size;
cache->pc = get_frame_func (this_frame);
current_pc = get_frame_pc (this_frame);
if (cache->pc != 0)
- h8300_analyze_prologue (cache->pc, current_pc, cache);
+ h8300_analyze_prologue (gdbarch, cache->pc, current_pc, cache);
if (!cache->uses_fp)
{
static const struct frame_unwind h8300_frame_unwind = {
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
h8300_frame_this_id,
h8300_frame_prev_register,
NULL,
/* No useable line symbol. Use prologue parsing method. */
h8300_init_frame_cache (gdbarch, &cache);
- return h8300_analyze_prologue (func_addr, func_end, &cache);
+ return h8300_analyze_prologue (gdbarch, func_addr, func_end, &cache);
}
/* No function symbol -- just return the PC. */
int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int stack_alloc = 0, stack_offset = 0;
int wordsize = BINWORD (gdbarch);
int reg = E_ARG0_REGNUM;
else
{
/* Heavens to Betsy --- it's really going in registers!
- It would be nice if we could use write_register_bytes
- here, but on the h8/300s, there are gaps between
- the registers in the register file. */
+ Note that on the h8/300s, there are gaps between the
+ registers in the register file. */
int offset;
for (offset = 0; offset < padded_len; offset += wordsize)
{
- ULONGEST word = extract_unsigned_integer (padded + offset,
- wordsize);
+ ULONGEST word
+ = extract_unsigned_integer (padded + offset,
+ wordsize, byte_order);
regcache_cooked_write_unsigned (regcache, reg++, word);
}
}
/* Store return address. */
sp -= wordsize;
- write_memory_unsigned_integer (sp, wordsize, bp_addr);
+ write_memory_unsigned_integer (sp, wordsize, byte_order, bp_addr);
/* Update stack pointer. */
regcache_cooked_write_unsigned (regcache, E_SP_REGNUM, sp);
h8300_extract_return_value (struct type *type, struct regcache *regcache,
void *valbuf)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
ULONGEST c, addr;
case 1:
case 2:
regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, len, c);
+ store_unsigned_integer (valbuf, len, byte_order, c);
break;
case 4: /* Needs two registers on plain H8/300 */
regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, 2, c);
+ store_unsigned_integer (valbuf, 2, byte_order, c);
regcache_cooked_read_unsigned (regcache, E_RET1_REGNUM, &c);
- store_unsigned_integer ((void *) ((char *) valbuf + 2), 2, c);
+ store_unsigned_integer ((void *)((char *) valbuf + 2), 2, byte_order, c);
break;
case 8: /* long long is now 8 bytes. */
if (TYPE_CODE (type) == TYPE_CODE_INT)
{
regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &addr);
- c = read_memory_unsigned_integer ((CORE_ADDR) addr, len);
- store_unsigned_integer (valbuf, len, c);
+ c = read_memory_unsigned_integer ((CORE_ADDR) addr, len, byte_order);
+ store_unsigned_integer (valbuf, len, byte_order, c);
}
else
{
- error ("I don't know how this 8 byte value is returned.");
+ error (_("I don't know how this 8 byte value is returned."));
}
break;
}
h8300h_extract_return_value (struct type *type, struct regcache *regcache,
void *valbuf)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
ULONGEST c, addr;
case 2:
case 4:
regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, len, c);
+ store_unsigned_integer (valbuf, len, byte_order, c);
break;
case 8: /* long long is now 8 bytes. */
if (TYPE_CODE (type) == TYPE_CODE_INT)
{
regcache_cooked_read_unsigned (regcache, E_RET0_REGNUM, &c);
- store_unsigned_integer (valbuf, 4, c);
+ store_unsigned_integer (valbuf, 4, byte_order, c);
regcache_cooked_read_unsigned (regcache, E_RET1_REGNUM, &c);
- store_unsigned_integer ((void *) ((char *) valbuf + 4), 4, c);
+ store_unsigned_integer ((void *) ((char *) valbuf + 4), 4,
+ byte_order, c);
}
else
{
- error ("I don't know how this 8 byte value is returned.");
+ error (_("I don't know how this 8 byte value is returned."));
}
break;
}
}
-int
+static int
h8300_use_struct_convention (struct type *value_type)
{
/* Types of 1, 2 or 4 bytes are returned in R0/R1, everything else on the
- stack. */
+ stack. */
if (TYPE_CODE (value_type) == TYPE_CODE_STRUCT
|| TYPE_CODE (value_type) == TYPE_CODE_UNION)
|| TYPE_LENGTH (value_type) == 4);
}
-int
+static int
h8300h_use_struct_convention (struct type *value_type)
{
/* Types of 1, 2 or 4 bytes are returned in R0, INT types of 8 bytes are
- returned in R0/R1, everything else on the stack. */
+ returned in R0/R1, everything else on the stack. */
if (TYPE_CODE (value_type) == TYPE_CODE_STRUCT
|| TYPE_CODE (value_type) == TYPE_CODE_UNION)
return 1;
h8300_store_return_value (struct type *type, struct regcache *regcache,
const void *valbuf)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
ULONGEST val;
switch (len)
{
case 1:
- case 2: /* short... */
- val = extract_unsigned_integer (valbuf, len);
+ case 2: /* short... */
+ val = extract_unsigned_integer (valbuf, len, byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
break;
case 4: /* long, float */
- val = extract_unsigned_integer (valbuf, len);
+ val = extract_unsigned_integer (valbuf, len, byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM,
(val >> 16) & 0xffff);
regcache_cooked_write_unsigned (regcache, E_RET1_REGNUM, val & 0xffff);
break;
- case 8: /* long long, double and long double are all defined
- as 4 byte types so far so this shouldn't happen. */
- error ("I don't know how to return an 8 byte value.");
+ case 8: /* long long, double and long double
+ are all defined as 4 byte types so
+ far so this shouldn't happen. */
+ error (_("I don't know how to return an 8 byte value."));
break;
}
}
h8300h_store_return_value (struct type *type, struct regcache *regcache,
const void *valbuf)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
ULONGEST val;
case 1:
case 2:
case 4: /* long, float */
- val = extract_unsigned_integer (valbuf, len);
+ val = extract_unsigned_integer (valbuf, len, byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM, val);
break;
case 8:
- val = extract_unsigned_integer (valbuf, len);
+ val = extract_unsigned_integer (valbuf, len, byte_order);
regcache_cooked_write_unsigned (regcache, E_RET0_REGNUM,
(val >> 32) & 0xffffffff);
regcache_cooked_write_unsigned (regcache, E_RET1_REGNUM,
h8300_register_name (struct gdbarch *gdbarch, int regno)
{
/* The register names change depending on which h8300 processor
- type is selected. */
+ type is selected. */
static char *register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6",
"sp", "", "pc", "cycles", "tick", "inst",
if (regno < 0
|| regno >= (sizeof (register_names) / sizeof (*register_names)))
internal_error (__FILE__, __LINE__,
- "h8300_register_name: illegal register number %d", regno);
+ _("h8300_register_name: illegal register number %d"),
+ regno);
else
return register_names[regno];
}
if (regno < 0
|| regno >= (sizeof (register_names) / sizeof (*register_names)))
internal_error (__FILE__, __LINE__,
- "h8300s_register_name: illegal register number %d",
+ _("h8300s_register_name: illegal register number %d"),
regno);
else
return register_names[regno];
if (regno < 0
|| regno >= (sizeof (register_names) / sizeof (*register_names)))
internal_error (__FILE__, __LINE__,
- "h8300sx_register_name: illegal register number %d",
+ _("h8300sx_register_name: illegal register number %d"),
regno);
else
return register_names[regno];
if (regno < 0 || regno >= gdbarch_num_regs (gdbarch)
+ gdbarch_num_pseudo_regs (gdbarch))
internal_error (__FILE__, __LINE__,
- "h8300_register_type: illegal register number %d", regno);
+ _("h8300_register_type: illegal register number %d"),
+ regno);
else
{
switch (regno)
return builtin_type (gdbarch)->builtin_data_ptr;
default:
if (regno == E_PSEUDO_CCR_REGNUM (gdbarch))
- return builtin_type_uint8;
+ return builtin_type (gdbarch)->builtin_uint8;
else if (regno == E_PSEUDO_EXR_REGNUM (gdbarch))
- return builtin_type_uint8;
+ return builtin_type (gdbarch)->builtin_uint8;
else if (is_h8300hmode (gdbarch))
- return builtin_type_int32;
+ return builtin_type (gdbarch)->builtin_int32;
else
- return builtin_type_int16;
+ return builtin_type (gdbarch)->builtin_int16;
}
}
}
-static void
+static enum register_status
h8300_pseudo_register_read (struct gdbarch *gdbarch,
struct regcache *regcache, int regno,
gdb_byte *buf)
{
if (regno == E_PSEUDO_CCR_REGNUM (gdbarch))
- regcache_raw_read (regcache, E_CCR_REGNUM, buf);
+ return regcache_raw_read (regcache, E_CCR_REGNUM, buf);
else if (regno == E_PSEUDO_EXR_REGNUM (gdbarch))
- regcache_raw_read (regcache, E_EXR_REGNUM, buf);
+ return regcache_raw_read (regcache, E_EXR_REGNUM, buf);
else
- regcache_raw_read (regcache, regno, buf);
+ return regcache_raw_read (regcache, regno, buf);
}
static void
/*
* Miscelany
*/
- /* Stack grows up. */
+ /* Stack grows up. */
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_breakpoint_from_pc (gdbarch, h8300_breakpoint_from_pc);
}
-extern initialize_file_ftype _initialize_h8300_tdep; /* -Wmissing-prototypes */
+extern initialize_file_ftype _initialize_h8300_tdep; /* -Wmissing-prototypes */
void
_initialize_h8300_tdep (void)
projects / deliverable / binutils-gdb.git / blobdiff