/* Target-dependent code for the MIPS architecture, for GDB, the GNU Debugger.
- Copyright (C) 1988-2018 Free Software Foundation, Inc.
+ Copyright (C) 1988-2019 Free Software Foundation, Inc.
Contributed by Alessandro Forin(af@cs.cmu.edu) at CMU
and by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin.
#include "target-float.h"
#include <algorithm>
-static const struct objfile_data *mips_pdr_data;
-
static struct type *mips_register_type (struct gdbarch *gdbarch, int regnum);
static int mips32_instruction_has_delay_slot (struct gdbarch *gdbarch,
register N. NOTE: This defines the pseudo register type so need to
rebuild the architecture vector. */
-static int mips64_transfers_32bit_regs_p = 0;
+static bool mips64_transfers_32bit_regs_p = false;
static void
set_mips64_transfers_32bit_regs (const char *args, int from_tty,
static std::vector<CORE_ADDR>
mips_deal_with_atomic_sequence (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- CORE_ADDR breaks[2] = {-1, -1};
+ CORE_ADDR breaks[2] = {CORE_ADDR_MAX, CORE_ADDR_MAX};
CORE_ADDR loc = pc;
CORE_ADDR branch_bp; /* Breakpoint at branch instruction's destination. */
ULONGEST insn;
{
const int atomic_sequence_length = 16; /* Instruction sequence length. */
int last_breakpoint = 0; /* Defaults to 0 (no breakpoints placed). */
- CORE_ADDR breaks[2] = {-1, -1};
+ CORE_ADDR breaks[2] = {CORE_ADDR_MAX, CORE_ADDR_MAX};
CORE_ADDR branch_bp = 0; /* Breakpoint at branch instruction's
destination. */
CORE_ADDR loc = pc;
mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr,
int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
+ function_call_return_method return_method,
+ CORE_ADDR struct_addr)
{
int argreg;
int float_argreg;
int argnum;
- int len = 0;
+ int arg_space = 0;
int stack_offset = 0;
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR func_addr = find_function_addr (function, NULL);
than necessary for EABI, because the first few arguments are
passed in registers, but that's OK. */
for (argnum = 0; argnum < nargs; argnum++)
- len += align_up (TYPE_LENGTH (value_type (args[argnum])), abi_regsize);
- sp -= align_up (len, 16);
+ arg_space += align_up (TYPE_LENGTH (value_type (args[argnum])), abi_regsize);
+ sp -= align_up (arg_space, 16);
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
"mips_eabi_push_dummy_call: sp=%s allocated %ld\n",
- paddress (gdbarch, sp), (long) align_up (len, 16));
+ paddress (gdbarch, sp),
+ (long) align_up (arg_space, 16));
/* Initialize the integer and float register pointers. */
argreg = MIPS_A0_REGNUM;
float_argreg = mips_fpa0_regnum (gdbarch);
/* The struct_return pointer occupies the first parameter-passing reg. */
- if (struct_return)
+ if (return_method == return_method_struct)
{
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr,
int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
+ function_call_return_method return_method,
+ CORE_ADDR struct_addr)
{
int argreg;
int float_argreg;
int argnum;
- int len = 0;
+ int arg_space = 0;
int stack_offset = 0;
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR func_addr = find_function_addr (function, NULL);
/* Now make space on the stack for the args. */
for (argnum = 0; argnum < nargs; argnum++)
- len += align_up (TYPE_LENGTH (value_type (args[argnum])), MIPS64_REGSIZE);
- sp -= align_up (len, 16);
+ arg_space += align_up (TYPE_LENGTH (value_type (args[argnum])), MIPS64_REGSIZE);
+ sp -= align_up (arg_space, 16);
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
"mips_n32n64_push_dummy_call: sp=%s allocated %ld\n",
- paddress (gdbarch, sp), (long) align_up (len, 16));
+ paddress (gdbarch, sp),
+ (long) align_up (arg_space, 16));
/* Initialize the integer and float register pointers. */
argreg = MIPS_A0_REGNUM;
float_argreg = mips_fpa0_regnum (gdbarch);
/* The struct_return pointer occupies the first parameter-passing reg. */
- if (struct_return)
+ if (return_method == return_method_struct)
{
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr,
int nargs, struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
+ function_call_return_method return_method,
+ CORE_ADDR struct_addr)
{
int argreg;
int float_argreg;
int argnum;
- int len = 0;
+ int arg_space = 0;
int stack_offset = 0;
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR func_addr = find_function_addr (function, NULL);
/* Align to double-word if necessary. */
if (mips_type_needs_double_align (arg_type))
- len = align_up (len, MIPS32_REGSIZE * 2);
+ arg_space = align_up (arg_space, MIPS32_REGSIZE * 2);
/* Allocate space on the stack. */
- len += align_up (TYPE_LENGTH (arg_type), MIPS32_REGSIZE);
+ arg_space += align_up (TYPE_LENGTH (arg_type), MIPS32_REGSIZE);
}
- sp -= align_up (len, 16);
+ sp -= align_up (arg_space, 16);
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
"mips_o32_push_dummy_call: sp=%s allocated %ld\n",
- paddress (gdbarch, sp), (long) align_up (len, 16));
+ paddress (gdbarch, sp),
+ (long) align_up (arg_space, 16));
/* Initialize the integer and float register pointers. */
argreg = MIPS_A0_REGNUM;
float_argreg = mips_fpa0_regnum (gdbarch);
/* The struct_return pointer occupies the first parameter-passing reg. */
- if (struct_return)
+ if (return_method == return_method_struct)
{
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
struct regcache *regcache, CORE_ADDR bp_addr,
int nargs,
struct value **args, CORE_ADDR sp,
- int struct_return, CORE_ADDR struct_addr)
+ function_call_return_method return_method, CORE_ADDR struct_addr)
{
int argreg;
int float_argreg;
int argnum;
- int len = 0;
+ int arg_space = 0;
int stack_offset = 0;
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR func_addr = find_function_addr (function, NULL);
struct type *arg_type = check_typedef (value_type (args[argnum]));
/* Allocate space on the stack. */
- len += align_up (TYPE_LENGTH (arg_type), MIPS64_REGSIZE);
+ arg_space += align_up (TYPE_LENGTH (arg_type), MIPS64_REGSIZE);
}
- sp -= align_up (len, 16);
+ sp -= align_up (arg_space, 16);
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
"mips_o64_push_dummy_call: sp=%s allocated %ld\n",
- paddress (gdbarch, sp), (long) align_up (len, 16));
+ paddress (gdbarch, sp),
+ (long) align_up (arg_space, 16));
/* Initialize the integer and float register pointers. */
argreg = MIPS_A0_REGNUM;
float_argreg = mips_fpa0_regnum (gdbarch);
/* The struct_return pointer occupies the first parameter-passing reg. */
- if (struct_return)
+ if (return_method == return_method_struct)
{
if (mips_debug)
fprintf_unfiltered (gdb_stdlog,
/* For GP registers, we print a separate row of names above the vals. */
for (col = 0, regnum = start_regnum;
- col < ncols && regnum < gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch);
+ col < ncols && regnum < gdbarch_num_cooked_regs (gdbarch);
regnum++)
{
if (*gdbarch_register_name (gdbarch, regnum) == '\0')
/* Now print the values in hex, 4 or 8 to the row. */
for (col = 0, regnum = start_regnum;
- col < ncols && regnum < gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch);
+ col < ncols && regnum < gdbarch_num_cooked_regs (gdbarch);
regnum++)
{
if (*gdbarch_register_name (gdbarch, regnum) == '\0')
/* Do all (or most) registers. */
{
regnum = gdbarch_num_regs (gdbarch);
- while (regnum < gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch))
+ while (regnum < gdbarch_num_cooked_regs (gdbarch))
{
if (mips_float_register_p (gdbarch, regnum))
{
mips_find_abi_section (bfd *abfd, asection *sect, void *obj)
{
enum mips_abi *abip = (enum mips_abi *) obj;
- const char *name = bfd_get_section_name (abfd, sect);
+ const char *name = bfd_section_name (sect);
if (*abip != MIPS_ABI_UNKNOWN)
return;
mips_find_long_section (bfd *abfd, asection *sect, void *obj)
{
int *lbp = (int *) obj;
- const char *name = bfd_get_section_name (abfd, sect);
+ const char *name = bfd_section_name (sect);
if (startswith (name, ".gcc_compiled_long32"))
*lbp = 32;
gdbarch_register (bfd_arch_mips, mips_gdbarch_init, mips_dump_tdep);
- mips_pdr_data = register_objfile_data ();
-
/* Create feature sets with the appropriate properties. The values
are not important. */
mips_tdesc_gp32 = allocate_target_description ();