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* infcmd.c (do_registers_info) [INVALID_FLOAT]: Only use if

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defined.
	* values.c (unpack_double) [INVALID_FLOAT]: Ditto.
	* mips-tdep.c (mips_print_register): Don't test float validity.
	* config/a29k/tm-a29k.h, config/alpha/tm-alpha.h,
	config/arm/tm-arm.h, config/convex/tm-convex.h,
	config/h8300/tm-h8300.h, config/h8500/tm-h8500.h,
	config/i386/tm-i386v.h, config/i386/tm-sun386.h,
	config/i960/tm-i960.h, config/m68k/tm-m68k.h,
	config/m88k/tm-m88k.h, config/mips/tm-mips.h,
	config/ns32k/tm-merlin.h, config/ns32k/tm-nbsd.h,
	config/ns32k/tm-ns32km3.h, config/ns32k/tm-umax.h,
	config/pa/tm-hppa.h, config/pyr/tm-pyr.h,
	config/rs6000/tm-rs6000.h, config/sh/tm-sh.h,
	config/sparc/tm-sparc.h, config/z8k/tm-z8k.h (INVALID_FLOAT):
	Remove definition.
This commit is contained in:
Stan Shebs
1994-09-25 21:13:24 +00:00
parent 8cbe898dad
commit ac57e5adda
19 changed files with 82 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
gdb/mips-tdep.c
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@@ -328,7 +328,7 @@ heuristic_proc_desc(start_pc, limit_pc, next_frame)
CORE_ADDR start_pc, limit_pc;
FRAME next_frame;
{
CORE_ADDR sp = next_frame ? next_frame->frame : read_register (SP_REGNUM);
CORE_ADDR sp = read_next_frame_reg (next_frame, SP_REGNUM);
CORE_ADDR cur_pc;
int frame_size;
int has_frame_reg = 0;
@@ -578,7 +578,7 @@ setup_arbitrary_frame (argc, argv)
CORE_ADDR
mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
int nargs;
value *args;
value_ptr *args;
CORE_ADDR sp;
int struct_return;
CORE_ADDR struct_addr;
@@ -592,8 +592,7 @@ mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
int fake_args = 0;
for (i = 0, m_arg = mips_args; i < nargs; i++, m_arg++) {
extern value value_arg_coerce();
value arg = value_arg_coerce (args[i]);
value_ptr arg = value_arg_coerce (args[i]);
m_arg->len = TYPE_LENGTH (VALUE_TYPE (arg));
/* This entire mips-specific routine is because doubles must be aligned
* on 8-byte boundaries. It still isn't quite right, because MIPS decided
@@ -861,20 +860,13 @@ mips_print_register (regnum, all)
printf_filtered (": ");
/* If virtual format is floating, print it that way. */
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT
&& ! INVALID_FLOAT (raw_buffer, REGISTER_VIRTUAL_SIZE(regnum))) {
if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (regnum)) == TYPE_CODE_FLT)
val_print (REGISTER_VIRTUAL_TYPE (regnum), raw_buffer, 0,
gdb_stdout, 0, 1, 0, Val_pretty_default);
}
/* Else print as integer in hex. */
else
{
print_scalar_formatted (raw_buffer,
REGISTER_VIRTUAL_TYPE (regnum),
'x',
0,
gdb_stdout);
}
print_scalar_formatted (raw_buffer, REGISTER_VIRTUAL_TYPE (regnum),
'x', 0, gdb_stdout);
}
/* Replacement for generic do_registers_info. */
@@ -966,6 +958,7 @@ mips_skip_prologue (pc, lenient)
unsigned long inst;
int offset;
int seen_sp_adjust = 0;
int load_immediate_bytes = 0;
/* Skip the typical prologue instructions. These are the stack adjustment
instruction and the instructions that save registers on the stack
@@ -987,6 +980,9 @@ mips_skip_prologue (pc, lenient)
if ((inst & 0xffff0000) == 0x27bd0000) /* addiu $sp,$sp,offset */
seen_sp_adjust = 1;
else if (inst == 0x03a1e823 || /* subu $sp,$sp,$at */
inst == 0x03a8e823) /* subu $sp,$sp,$t0 */
seen_sp_adjust = 1;
else if ((inst & 0xFFE00000) == 0xAFA00000 && (inst & 0x001F0000))
continue; /* sw reg,n($sp) */
/* reg != $zero */
@@ -1006,39 +1002,40 @@ mips_skip_prologue (pc, lenient)
else if (inst == 0x0399e021 /* addu $gp,$gp,$t9 */
|| inst == 0x033ce021) /* addu $gp,$t9,$gp */
continue;
/* The following instructions load $at or $t0 with an immediate
value in preparation for a stack adjustment via
subu $sp,$sp,[$at,$t0]. These instructions could also initialize
a local variable, so we accept them only before a stack adjustment
instruction was seen. */
else if (!seen_sp_adjust)
{
if ((inst & 0xffff0000) == 0x3c010000 || /* lui $at,n */
(inst & 0xffff0000) == 0x3c080000) /* lui $t0,n */
{
load_immediate_bytes += 4;
continue;
}
else if ((inst & 0xffff0000) == 0x34210000 || /* ori $at,$at,n */
(inst & 0xffff0000) == 0x35080000 || /* ori $t0,$t0,n */
(inst & 0xffff0000) == 0x34010000 || /* ori $at,$zero,n */
(inst & 0xffff0000) == 0x34080000) /* ori $t0,$zero,n */
{
load_immediate_bytes += 4;
continue;
}
else
break;
}
else
break;
break;
}
/* In a frameless function, we might have incorrectly
skipped some load immediate instructions. Undo the skipping
if the load immediate was not followed by a stack adjustment. */
if (load_immediate_bytes && !seen_sp_adjust)
offset -= load_immediate_bytes;
return pc + offset;
/* FIXME schauer. The following code seems no longer necessary if we
always skip the typical prologue instructions. */
#if 0
if (seen_sp_adjust)
return pc + offset;
/* Well, it looks like a frameless. Let's make sure.
Note that we are not called on the current PC,
but on the function`s start PC, and I have definitely
seen optimized code that adjusts the SP quite later */
b = block_for_pc(pc);
if (!b) return pc;
f = lookup_symbol(MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, 0, NULL);
if (!f) return pc;
/* Ideally, I would like to use the adjusted info
from mips_frame_info(), but for all practical
purposes it will not matter (and it would require
a different definition of SKIP_PROLOGUE())
Actually, it would not hurt to skip the storing
of arguments on the stack as well. */
if (((mips_extra_func_info_t)SYMBOL_VALUE(f))->pdr.frameoffset)
return pc + 4;
return pc;
#endif
}
#if 0