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* mips-tdep.c (mips_read_fp_register_double): Correct check for 

odd FP registers.
	(mips_print_fp_register): Correct check for even FP registers.
	(mips_virtual_frame_pointer): New function.
	(mips_gdbarch_init): Call set_gdbarch_virtual_frame_pointer.
This commit is contained in:
Daniel Jacobowitz 2007-10-02 15:17:44 +00:00
parent 471ba8c90c
commit 82e9138962
2 changed files with 25 additions and 2 deletions
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8
gdb/ChangeLog
View File

@ -1,3 +1,11 @@
2007-10-02 Daniel Jacobowitz <dan@codesourcery.com>
* mips-tdep.c (mips_read_fp_register_double): Correct check for
odd FP registers.
(mips_print_fp_register): Correct check for even FP registers.
(mips_virtual_frame_pointer): New function.
(mips_gdbarch_init): Call set_gdbarch_virtual_frame_pointer.
2007-09-30 Mike Frysinger <vapier@gentoo.org>
* value.h (lookup_only_internalvar): New prototype.

19
gdb/mips-tdep.c
View File

@ -4060,7 +4060,9 @@ mips_read_fp_register_double (struct frame_info *frame, int regno,
}
else
{
if ((regno - mips_regnum (current_gdbarch)->fp0) & 1)
int rawnum = regno % gdbarch_num_regs (current_gdbarch);
if ((rawnum - mips_regnum (current_gdbarch)->fp0) & 1)
internal_error (__FILE__, __LINE__,
_("mips_read_fp_register_double: bad access to "
"odd-numbered FP register"));
@ -4114,7 +4116,7 @@ mips_print_fp_register (struct ui_file *file, struct frame_info *frame,
else
fprintf_filtered (file, "%-17.9g", flt1);
if (regnum % 2 == 0)
if ((regnum - gdbarch_num_regs (current_gdbarch)) % 2 == 0)
{
mips_read_fp_register_double (frame, regnum, raw_buffer);
doub = unpack_double (mips_double_register_type (), raw_buffer,
@ -4928,6 +4930,18 @@ mips_integer_to_address (struct gdbarch *gdbarch,
return (CORE_ADDR) extract_signed_integer (buf, TYPE_LENGTH (type));
}
/* Dummy virtual frame pointer method. This is no more or less accurate
than most other architectures; we just need to be explicit about it,
because the pseudo-register gdbarch_sp_regnum will otherwise lead to
an assertion failure. */
static void
mips_virtual_frame_pointer (CORE_ADDR pc, int *reg, LONGEST *offset)
{
*reg = MIPS_SP_REGNUM;
*offset = 0;
}
static void
mips_find_abi_section (bfd *abfd, asection *sect, void *obj)
{
@ -5409,6 +5423,7 @@ mips_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_num_regs (gdbarch, num_regs);
set_gdbarch_num_pseudo_regs (gdbarch, num_regs);
set_gdbarch_register_name (gdbarch, mips_register_name);
set_gdbarch_virtual_frame_pointer (gdbarch, mips_virtual_frame_pointer);
tdep->mips_processor_reg_names = reg_names;
tdep->regnum = regnum;
}