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* alpha-tdep.c (alpha_extract_return_value): Convert to regcache.

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(alpha_extract_struct_value_address): Likewise.
        (alpha_store_return_value): Likewise.
        (alpha_store_struct_return): Remove.
        (alpha_gdbarch_init): Update hook registration to match.
This commit is contained in:
Richard Henderson 2003-06-02 16:15:34 +00:00
parent 14696584bb
commit 5ec2bb9908
2 changed files with 86 additions and 47 deletions
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6
gdb/ChangeLog
View File

@ -1,5 +1,11 @@
2003-06-02 Richard Henderson <rth@redhat.com>
* alpha-tdep.c (alpha_extract_return_value): Convert to regcache.
(alpha_extract_struct_value_address): Likewise.
(alpha_store_return_value): Likewise.
(alpha_store_struct_return): Remove.
(alpha_gdbarch_init): Update hook registration to match.
* alpha-tdep.c (alpha_register_convert_to_virtual): Tidy use of
deprecated interfaces; use ALPHA_REGISTER_SIZE instead of gdbarch
macros where appropriate.

127
gdb/alpha-tdep.c
View File

@ -377,42 +377,90 @@ alpha_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr,
return sp;
}
/* Given a return value in `regbuf' with a type `valtype',
extract and copy its value into `valbuf'. */
/* Extract from REGCACHE the value about to be returned from a function
and copy it into VALBUF. */
static void
alpha_extract_return_value (struct type *valtype,
char regbuf[ALPHA_REGISTER_BYTES], char *valbuf)
{
if (TYPE_CODE (valtype) == TYPE_CODE_FLT)
alpha_register_convert_to_virtual (FP0_REGNUM, valtype,
regbuf + REGISTER_BYTE (FP0_REGNUM),
valbuf);
else
memcpy (valbuf, regbuf + REGISTER_BYTE (ALPHA_V0_REGNUM),
TYPE_LENGTH (valtype));
}
/* Given a return value in `regbuf' with a type `valtype',
write its value into the appropriate register. */
static void
alpha_store_return_value (struct type *valtype, char *valbuf)
alpha_extract_return_value (struct type *valtype, struct regcache *regcache,
void *valbuf)
{
char raw_buffer[ALPHA_REGISTER_SIZE];
int regnum = ALPHA_V0_REGNUM;
int length = TYPE_LENGTH (valtype);
ULONGEST l;
if (TYPE_CODE (valtype) == TYPE_CODE_FLT)
switch (TYPE_CODE (valtype))
{
regnum = FP0_REGNUM;
length = ALPHA_REGISTER_SIZE;
alpha_register_convert_to_raw (valtype, regnum, valbuf, raw_buffer);
}
else
memcpy (raw_buffer, valbuf, length);
case TYPE_CODE_FLT:
switch (TYPE_LENGTH (valtype))
{
case 4:
regcache_cooked_read (regcache, ALPHA_FP0_REGNUM, raw_buffer);
alpha_convert_dbl_flt (valbuf, raw_buffer);
break;
deprecated_write_register_bytes (REGISTER_BYTE (regnum), raw_buffer, length);
case 8:
regcache_cooked_read (regcache, ALPHA_FP0_REGNUM, valbuf);
break;
default:
abort ();
}
break;
default:
/* Assume everything else degenerates to an integer. */
regcache_cooked_read_unsigned (regcache, ALPHA_V0_REGNUM, &l);
store_unsigned_integer (valbuf, TYPE_LENGTH (valtype), l);
break;
}
}
/* Extract from REGCACHE the address of a structure about to be returned
from a function. */
static CORE_ADDR
alpha_extract_struct_value_address (struct regcache *regcache)
{
ULONGEST addr;
regcache_cooked_read_unsigned (regcache, ALPHA_V0_REGNUM, &addr);
return addr;
}
/* Insert the given value into REGCACHE as if it was being
returned by a function. */
static void
alpha_store_return_value (struct type *valtype, struct regcache *regcache,
const void *valbuf)
{
int length = TYPE_LENGTH (valtype);
char raw_buffer[ALPHA_REGISTER_SIZE];
ULONGEST l;
switch (TYPE_CODE (valtype))
{
case TYPE_CODE_FLT:
switch (length)
{
case 4:
alpha_convert_flt_dbl (raw_buffer, valbuf);
valbuf = raw_buffer;
/* FALLTHRU */
case 8:
regcache_cooked_write (regcache, ALPHA_FP0_REGNUM, valbuf);
break;
default:
abort ();
}
break;
default:
/* Assume everything else degenerates to an integer. */
l = unpack_long (valtype, valbuf);
regcache_cooked_write_unsigned (regcache, ALPHA_V0_REGNUM, l);
break;
}
}
static int
@ -422,20 +470,6 @@ alpha_use_struct_convention (int gcc_p, struct type *type)
return 1;
}
static void
alpha_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
/* Store the address of the place in which to copy the structure the
subroutine will return. Handled by alpha_push_arguments. */
}
static CORE_ADDR
alpha_extract_struct_value_address (char *regbuf)
{
return (extract_unsigned_integer (regbuf + REGISTER_BYTE (ALPHA_V0_REGNUM),
REGISTER_RAW_SIZE (ALPHA_V0_REGNUM)));
}
static const unsigned char *
alpha_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
@ -1325,10 +1359,9 @@ alpha_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
generic_frameless_function_invocation_not);
set_gdbarch_use_struct_convention (gdbarch, alpha_use_struct_convention);
set_gdbarch_deprecated_extract_return_value (gdbarch, alpha_extract_return_value);
set_gdbarch_deprecated_store_struct_return (gdbarch, alpha_store_struct_return);
set_gdbarch_deprecated_store_return_value (gdbarch, alpha_store_return_value);
set_gdbarch_deprecated_extract_struct_value_address (gdbarch,
set_gdbarch_extract_return_value (gdbarch, alpha_extract_return_value);
set_gdbarch_store_return_value (gdbarch, alpha_store_return_value);
set_gdbarch_extract_struct_value_address (gdbarch,
alpha_extract_struct_value_address);
/* Settings for calling functions in the inferior. */