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* config/mips/tm-mips.h (FIX_CALL_DUMMY): For big endian targets,

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error() on TYPE_CODE_FLT arguments whose size is greater than 8,
	swap all other TYPE_CODE_FLT arguments as mips_push_arguments
	ensures that floats are promoted to doubles before they are pushed
	on the stack.
This commit is contained in:
Peter Schauer
1994-02-19 11:26:47 +00:00
parent 847d977530
commit 084475102b
1 changed files with 9 additions and 6 deletions
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15
gdb/config/mips/tm-mips.h
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@ -345,8 +345,9 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
into a call sequence of the above form stored at DUMMYNAME. */
#if TARGET_BYTE_ORDER == BIG_ENDIAN && ! defined (GDB_TARGET_IS_MIPS64)
/* For big endian mips machines the loading of FP values depends on whether
they are single or double precision. */
/* For big endian mips machines we need to switch the order of the
words with a floating-point value (it was already coerced to a double
by mips_push_arguments). */
#define FIX_CALL_DUMMY(dummyname, start_sp, fun, nargs, args, rettype, gcc_p) \
do { \
((int*)(dummyname))[11] |= ((unsigned long)(fun)) >> 16; \
@ -356,14 +357,16 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
((int *) (dummyname))[5] = 0; ((int *) (dummyname))[6] = 0; \
} else { \
if (nargs > 0 && \
TYPE_CODE(VALUE_TYPE(args[0])) == TYPE_CODE_FLT && \
TYPE_LENGTH(VALUE_TYPE(args[0])) == 8) { \
TYPE_CODE(VALUE_TYPE(args[0])) == TYPE_CODE_FLT) { \
if (TYPE_LENGTH(VALUE_TYPE(args[0])) > 8) \
error ("Can't pass floating point value of more than 8 bytes to a function"); \
((int *) (dummyname))[3] = MK_OP(OP_LDFPR,SP_REGNUM,12,4); \
((int *) (dummyname))[4] = MK_OP(OP_LDFPR,SP_REGNUM,13,0); \
} \
if (nargs > 1 && \
TYPE_CODE(VALUE_TYPE(args[1])) == TYPE_CODE_FLT && \
TYPE_LENGTH(VALUE_TYPE(args[1])) == 8) { \
TYPE_CODE(VALUE_TYPE(args[1])) == TYPE_CODE_FLT) { \
if (TYPE_LENGTH(VALUE_TYPE(args[1])) > 8) \
error ("Can't pass floating point value of more than 8 bytes to a function"); \
((int *) (dummyname))[5] = MK_OP(OP_LDFPR,SP_REGNUM,14,12); \
((int *) (dummyname))[6] = MK_OP(OP_LDFPR,SP_REGNUM,15,8); \
} \