@@ -46,9 +46,13 @@ struct m32c_reg;
/* The type of a function that moves the value of REG between CACHE or
BUF --- in either direction. */
-typedef enum register_status (m32c_move_reg_t) (struct m32c_reg *reg,
+typedef enum register_status (m32c_write_reg_t) (struct m32c_reg *reg,
+ struct regcache *cache,
+ const gdb_byte *buf);
+
+typedef enum register_status (m32c_read_reg_t) (struct m32c_reg *reg,
struct regcache *cache,
- void *buf);
+ gdb_byte *buf);
struct m32c_reg
{
@@ -78,7 +82,8 @@ struct m32c_reg
/* Functions to read its value from a regcache, and write its value
to a regcache. */
- m32c_move_reg_t *read, *write;
+ m32c_read_reg_t *read;
+ m32c_write_reg_t *write;
/* Data for READ and WRITE functions. The exact meaning depends on
the specific functions selected; see the comments for those
@@ -297,18 +302,24 @@ m32c_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
/* Register move functions. We declare them here using
- m32c_move_reg_t to check the types. */
-static m32c_move_reg_t m32c_raw_read, m32c_raw_write;
-static m32c_move_reg_t m32c_banked_read, m32c_banked_write;
-static m32c_move_reg_t m32c_sb_read, m32c_sb_write;
-static m32c_move_reg_t m32c_part_read, m32c_part_write;
-static m32c_move_reg_t m32c_cat_read, m32c_cat_write;
-static m32c_move_reg_t m32c_r3r2r1r0_read, m32c_r3r2r1r0_write;
-
+ m32c_{read,write}_reg_t to check the types. */
+static m32c_read_reg_t m32c_raw_read,
+ m32c_banked_read,
+ m32c_sb_read,
+ m32c_part_read,
+ m32c_cat_read,
+ m32c_r3r2r1r0_read;
+
+static m32c_write_reg_t m32c_raw_write,
+ m32c_banked_write,
+ m32c_sb_write,
+ m32c_part_write,
+ m32c_cat_write,
+ m32c_r3r2r1r0_write;
/* Copy the value of the raw register REG from CACHE to BUF. */
static enum register_status
-m32c_raw_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_raw_read (struct m32c_reg *reg, struct regcache *cache, gdb_byte *buf)
{
return regcache_raw_read (cache, reg->num, buf);
}
@@ -316,9 +327,10 @@ m32c_raw_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
/* Copy the value of the raw register REG from BUF to CACHE. */
static enum register_status
-m32c_raw_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_raw_write (struct m32c_reg *reg, struct regcache *cache,
+ const gdb_byte *buf)
{
- regcache_raw_write (cache, reg->num, (const void *) buf);
+ regcache_raw_write (cache, reg->num, buf);
return REG_VALID;
}
@@ -348,7 +360,7 @@ m32c_banked_register (struct m32c_reg *reg, struct regcache *cache)
masked in REG->n set, then read REG->ry. Otherwise, read
REG->rx. */
static enum register_status
-m32c_banked_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_banked_read (struct m32c_reg *reg, struct regcache *cache, gdb_byte *buf)
{
struct m32c_reg *bank_reg = m32c_banked_register (reg, cache);
return regcache_raw_read (cache, bank_reg->num, buf);
@@ -360,10 +372,11 @@ m32c_banked_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
masked in REG->n set, then write REG->ry. Otherwise, write
REG->rx. */
static enum register_status
-m32c_banked_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_banked_write (struct m32c_reg *reg, struct regcache *cache,
+ const gdb_byte *buf)
{
struct m32c_reg *bank_reg = m32c_banked_register (reg, cache);
- regcache_raw_write (cache, bank_reg->num, (const void *) buf);
+ regcache_raw_write (cache, bank_reg->num, buf);
return REG_VALID;
}
@@ -372,7 +385,7 @@ m32c_banked_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
/* Move the value of SB from CACHE to BUF. On bfd_mach_m32c, SB is a
banked register; on bfd_mach_m16c, it's not. */
static enum register_status
-m32c_sb_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_sb_read (struct m32c_reg *reg, struct regcache *cache, gdb_byte *buf)
{
if (gdbarch_bfd_arch_info (reg->arch)->mach == bfd_mach_m16c)
return m32c_raw_read (reg->rx, cache, buf);
@@ -384,7 +397,7 @@ m32c_sb_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
/* Move the value of SB from BUF to CACHE. On bfd_mach_m32c, SB is a
banked register; on bfd_mach_m16c, it's not. */
static enum register_status
-m32c_sb_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_sb_write (struct m32c_reg *reg, struct regcache *cache, const gdb_byte *buf)
{
if (gdbarch_bfd_arch_info (reg->arch)->mach == bfd_mach_m16c)
m32c_raw_write (reg->rx, cache, buf);
@@ -437,7 +450,7 @@ m32c_find_part (struct m32c_reg *reg, int *offset_p, int *len_p)
REG->type values, where higher indices refer to more significant
bits, read the value of the REG->n'th element. */
static enum register_status
-m32c_part_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_part_read (struct m32c_reg *reg, struct regcache *cache, gdb_byte *buf)
{
int offset, len;
@@ -452,7 +465,8 @@ m32c_part_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
values, where higher indices refer to more significant bits, write
the value of the REG->n'th element. */
static enum register_status
-m32c_part_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_part_write (struct m32c_reg *reg, struct regcache *cache,
+ const gdb_byte *buf)
{
int offset, len;
@@ -467,27 +481,25 @@ m32c_part_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
concatenation of the values of the registers REG->rx and REG->ry,
with REG->rx contributing the more significant bits. */
static enum register_status
-m32c_cat_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_cat_read (struct m32c_reg *reg, struct regcache *cache, gdb_byte *buf)
{
int high_bytes = TYPE_LENGTH (reg->rx->type);
int low_bytes = TYPE_LENGTH (reg->ry->type);
- /* For address arithmetic. */
- unsigned char *cbuf = buf;
enum register_status status;
gdb_assert (TYPE_LENGTH (reg->type) == high_bytes + low_bytes);
if (gdbarch_byte_order (reg->arch) == BFD_ENDIAN_BIG)
{
- status = regcache_cooked_read (cache, reg->rx->num, cbuf);
+ status = regcache_cooked_read (cache, reg->rx->num, buf);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, reg->ry->num, cbuf + high_bytes);
+ status = regcache_cooked_read (cache, reg->ry->num, buf + high_bytes);
}
else
{
- status = regcache_cooked_read (cache, reg->rx->num, cbuf + low_bytes);
+ status = regcache_cooked_read (cache, reg->rx->num, buf + low_bytes);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, reg->ry->num, cbuf);
+ status = regcache_cooked_read (cache, reg->ry->num, buf);
}
return status;
@@ -498,24 +510,23 @@ m32c_cat_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
concatenation of the values of the registers REG->rx and REG->ry,
with REG->rx contributing the more significant bits. */
static enum register_status
-m32c_cat_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_cat_write (struct m32c_reg *reg, struct regcache *cache,
+ const gdb_byte *buf)
{
int high_bytes = TYPE_LENGTH (reg->rx->type);
int low_bytes = TYPE_LENGTH (reg->ry->type);
- /* For address arithmetic. */
- unsigned char *cbuf = buf;
gdb_assert (TYPE_LENGTH (reg->type) == high_bytes + low_bytes);
if (gdbarch_byte_order (reg->arch) == BFD_ENDIAN_BIG)
{
- regcache_cooked_write (cache, reg->rx->num, cbuf);
- regcache_cooked_write (cache, reg->ry->num, cbuf + high_bytes);
+ regcache_cooked_write (cache, reg->rx->num, buf);
+ regcache_cooked_write (cache, reg->ry->num, buf + high_bytes);
}
else
{
- regcache_cooked_write (cache, reg->rx->num, cbuf + low_bytes);
- regcache_cooked_write (cache, reg->ry->num, cbuf);
+ regcache_cooked_write (cache, reg->rx->num, buf + low_bytes);
+ regcache_cooked_write (cache, reg->ry->num, buf);
}
return REG_VALID;
@@ -526,34 +537,31 @@ m32c_cat_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
the concatenation (from most significant to least) of r3, r2, r1,
and r0. */
static enum register_status
-m32c_r3r2r1r0_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_r3r2r1r0_read (struct m32c_reg *reg, struct regcache *cache, gdb_byte *buf)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (reg->arch);
int len = TYPE_LENGTH (tdep->r0->type);
enum register_status status;
- /* For address arithmetic. */
- unsigned char *cbuf = buf;
-
if (gdbarch_byte_order (reg->arch) == BFD_ENDIAN_BIG)
{
- status = regcache_cooked_read (cache, tdep->r0->num, cbuf + len * 3);
+ status = regcache_cooked_read (cache, tdep->r0->num, buf + len * 3);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, tdep->r1->num, cbuf + len * 2);
+ status = regcache_cooked_read (cache, tdep->r1->num, buf + len * 2);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, tdep->r2->num, cbuf + len * 1);
+ status = regcache_cooked_read (cache, tdep->r2->num, buf + len * 1);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, tdep->r3->num, cbuf);
+ status = regcache_cooked_read (cache, tdep->r3->num, buf);
}
else
{
- status = regcache_cooked_read (cache, tdep->r0->num, cbuf);
+ status = regcache_cooked_read (cache, tdep->r0->num, buf);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, tdep->r1->num, cbuf + len * 1);
+ status = regcache_cooked_read (cache, tdep->r1->num, buf + len * 1);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, tdep->r2->num, cbuf + len * 2);
+ status = regcache_cooked_read (cache, tdep->r2->num, buf + len * 2);
if (status == REG_VALID)
- status = regcache_cooked_read (cache, tdep->r3->num, cbuf + len * 3);
+ status = regcache_cooked_read (cache, tdep->r3->num, buf + len * 3);
}
return status;
@@ -564,27 +572,25 @@ m32c_r3r2r1r0_read (struct m32c_reg *reg, struct regcache *cache, void *buf)
the concatenation (from most significant to least) of r3, r2, r1,
and r0. */
static enum register_status
-m32c_r3r2r1r0_write (struct m32c_reg *reg, struct regcache *cache, void *buf)
+m32c_r3r2r1r0_write (struct m32c_reg *reg, struct regcache *cache,
+ const gdb_byte *buf)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (reg->arch);
int len = TYPE_LENGTH (tdep->r0->type);
- /* For address arithmetic. */
- unsigned char *cbuf = buf;
-
if (gdbarch_byte_order (reg->arch) == BFD_ENDIAN_BIG)
{
- regcache_cooked_write (cache, tdep->r0->num, cbuf + len * 3);
- regcache_cooked_write (cache, tdep->r1->num, cbuf + len * 2);
- regcache_cooked_write (cache, tdep->r2->num, cbuf + len * 1);
- regcache_cooked_write (cache, tdep->r3->num, cbuf);
+ regcache_cooked_write (cache, tdep->r0->num, buf + len * 3);
+ regcache_cooked_write (cache, tdep->r1->num, buf + len * 2);
+ regcache_cooked_write (cache, tdep->r2->num, buf + len * 1);
+ regcache_cooked_write (cache, tdep->r3->num, buf);
}
else
{
- regcache_cooked_write (cache, tdep->r0->num, cbuf);
- regcache_cooked_write (cache, tdep->r1->num, cbuf + len * 1);
- regcache_cooked_write (cache, tdep->r2->num, cbuf + len * 2);
- regcache_cooked_write (cache, tdep->r3->num, cbuf + len * 3);
+ regcache_cooked_write (cache, tdep->r0->num, buf);
+ regcache_cooked_write (cache, tdep->r1->num, buf + len * 1);
+ regcache_cooked_write (cache, tdep->r2->num, buf + len * 2);
+ regcache_cooked_write (cache, tdep->r3->num, buf + len * 3);
}
return REG_VALID;
@@ -623,7 +629,7 @@ m32c_pseudo_register_write (struct gdbarch *arch,
gdb_assert (arch == tdep->regs[cookednum].arch);
reg = &tdep->regs[cookednum];
- reg->write (reg, cache, (void *) buf);
+ reg->write (reg, cache, buf);
}
@@ -634,8 +640,8 @@ add_reg (struct gdbarch *arch,
const char *name,
struct type *type,
int sim_num,
- m32c_move_reg_t *read,
- m32c_move_reg_t *write,
+ m32c_read_reg_t *read,
+ m32c_write_reg_t *write,
struct m32c_reg *rx,
struct m32c_reg *ry,
int n)