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* mips-tdep.c (mips_extract_return_value): Fix returning of 

values whose length is less than the register size for big endian
	targets.
	* alpha-tdep.c (alpha_extract_return_value,
	alpha_store_return_value):  Use alpha_convert_register_to_*
	to handle functions returning "float" correctly.
This commit is contained in:
Peter Schauer 1995-08-01 09:20:05 +00:00
parent 4f2f30116b
commit 92a6d60053
3 changed files with 34 additions and 10 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
Tue Aug 1 02:08:30 1995 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
* mips-tdep.c (mips_extract_return_value): Fix returning of
values whose length is less than the register size for big endian
targets.
* alpha-tdep.c (alpha_extract_return_value,
alpha_store_return_value): Use alpha_convert_register_to_*
to handle functions returning "float" correctly.
Mon Jul 31 19:12:48 1995 Stan Shebs <shebs@andros.cygnus.com>
* h8500-tdep.c: General linting and cleanup.

26
gdb/alpha-tdep.c
View File

@ -1099,11 +1099,12 @@ alpha_extract_return_value (valtype, regbuf, valbuf)
char regbuf[REGISTER_BYTES];
char *valbuf;
{
int regnum;
regnum = TYPE_CODE (valtype) == TYPE_CODE_FLT ? FP0_REGNUM : V0_REGNUM;
memcpy (valbuf, regbuf + REGISTER_BYTE (regnum), TYPE_LENGTH (valtype));
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 (V0_REGNUM), TYPE_LENGTH (valtype));
}
/* Given a return value in `regbuf' with a type `valtype',
@ -1114,13 +1115,20 @@ alpha_store_return_value (valtype, valbuf)
struct type *valtype;
char *valbuf;
{
int regnum;
char raw_buffer[MAX_REGISTER_RAW_SIZE];
int regnum = V0_REGNUM;
int length = TYPE_LENGTH (valtype);
regnum = TYPE_CODE (valtype) == TYPE_CODE_FLT ? FP0_REGNUM : V0_REGNUM;
memcpy(raw_buffer, valbuf, TYPE_LENGTH (valtype));
if (TYPE_CODE (valtype) == TYPE_CODE_FLT)
{
regnum = FP0_REGNUM;
length = REGISTER_RAW_SIZE (regnum);
alpha_register_convert_to_raw (valtype, regnum, valbuf, raw_buffer);
}
else
memcpy (raw_buffer, valbuf, length);
write_register_bytes(REGISTER_BYTE (regnum), raw_buffer, TYPE_LENGTH (valtype));
write_register_bytes (REGISTER_BYTE (regnum), raw_buffer, length);
}
/* Just like reinit_frame_cache, but with the right arguments to be

9
gdb/mips-tdep.c
View File

@ -1227,6 +1227,7 @@ mips_extract_return_value (valtype, regbuf, valbuf)
char *valbuf;
{
int regnum;
int offset = 0;
regnum = 2;
if (TYPE_CODE (valtype) == TYPE_CODE_FLT
@ -1234,7 +1235,13 @@ mips_extract_return_value (valtype, regbuf, valbuf)
|| (mips_fpu == MIPS_FPU_SINGLE && TYPE_LENGTH (valtype) <= 4)))
regnum = FP0_REGNUM;
memcpy (valbuf, regbuf + REGISTER_BYTE (regnum), TYPE_LENGTH (valtype));
if (TARGET_BYTE_ORDER == BIG_ENDIAN
&& TYPE_CODE (valtype) != TYPE_CODE_FLT
&& TYPE_LENGTH (valtype) < REGISTER_RAW_SIZE (regnum))
offset = REGISTER_RAW_SIZE (regnum) - TYPE_LENGTH (valtype);
memcpy (valbuf, regbuf + REGISTER_BYTE (regnum) + offset,
TYPE_LENGTH (valtype));
#ifdef REGISTER_CONVERT_TO_TYPE
REGISTER_CONVERT_TO_TYPE(regnum, valtype, valbuf);
#endif