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* mips-tdep.c (mips_push_arguments): Always align struct_addr on a 

16 byte boundary. Align allocated argument space using
MIPS_STACK_ARGSIZE.  Reserve space on stack for the struct return
and floating-point registers.  Use fp_register_arg_p to determine
if float_argreg should be aligned.
This commit is contained in:
Andrew Cagney 2000-07-10 15:09:23 +00:00
parent 12c616f16e
commit cce41527ca
2 changed files with 16 additions and 3 deletions
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8
gdb/ChangeLog
View File

@ -1,3 +1,11 @@
Mon Jul 10 18:06:18 2000 Andrew Cagney <cagney@b1.cygnus.com>
* mips-tdep.c (mips_push_arguments): Always align struct_addr on a
16 byte boundary. Align allocated argument space using
MIPS_STACK_ARGSIZE. Reserve space on stack for the struct return
and floating-point registers. Use fp_register_arg_p to determine
if float_argreg should be aligned.
2000-07-10 Elena Zannoni <ezannoni@kwikemart.cygnus.com>
* config/sh/tm-sh.h (STORE_RETURN_VALUE): Redefine as

11
gdb/mips-tdep.c
View File

@ -2104,13 +2104,13 @@ mips_push_arguments (nargs, args, sp, struct_return, struct_addr)
On at least one MIPS variant, stack frames need to be 128-bit
aligned, so we round to this widest known alignment. */
sp = ROUND_DOWN (sp, 16);
struct_addr = ROUND_DOWN (struct_addr, MIPS_SAVED_REGSIZE);
struct_addr = ROUND_DOWN (struct_addr, 16);
/* Now make space on the stack for the args. We allocate more
than necessary for EABI, because the first few arguments are
passed in registers, but that's OK. */
for (argnum = 0; argnum < nargs; argnum++)
len += ROUND_UP (TYPE_LENGTH (VALUE_TYPE (args[argnum])), MIPS_SAVED_REGSIZE);
len += ROUND_UP (TYPE_LENGTH (VALUE_TYPE (args[argnum])), MIPS_STACK_ARGSIZE);
sp -= ROUND_UP (len, 16);
if (mips_debug)
@ -2126,9 +2126,11 @@ mips_push_arguments (nargs, args, sp, struct_return, struct_addr)
{
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
"mips_push_arguments: struct_return at r%d 0x%lx\n",
"mips_push_arguments: struct_return reg=%d 0x%lx\n",
argreg, (long) struct_addr);
write_register (argreg++, struct_addr);
if (MIPS_REGS_HAVE_HOME_P)
stack_offset += MIPS_STACK_ARGSIZE;
}
/* Now load as many as possible of the first arguments into
@ -2243,6 +2245,9 @@ mips_push_arguments (nargs, args, sp, struct_return, struct_addr)
argreg += FP_REGISTER_DOUBLE ? 1 : 2;
}
}
/* Reserve space for the FP register. */
if (MIPS_REGS_HAVE_HOME_P)
stack_offset += ROUND_UP (len, MIPS_STACK_ARGSIZE);
}
else
{