/* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
- 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 1996-2017 Free Software Foundation, Inc.
This file is part of GDB.
#include "dis-asm.h"
#include "gdbtypes.h"
#include "regcache.h"
-#include "gdb_string.h"
-#include "gdb_assert.h"
#include "gdbcore.h" /* For write_memory_unsigned_integer. */
#include "value.h"
-#include "gdbtypes.h"
#include "frame.h"
#include "frame-unwind.h"
#include "frame-base.h"
/* The am33-2 has 64 registers. */
#define MN10300_MAX_NUM_REGS 64
+/* Big enough to hold the size of the largest register in bytes. */
+#define MN10300_MAX_REGISTER_SIZE 64
+
/* This structure holds the results of a prologue analysis. */
struct mn10300_prologue
{
case TYPE_CODE_FLT:
case TYPE_CODE_PTR:
case TYPE_CODE_REF:
+ case TYPE_CODE_RVALUE_REF:
return TYPE_LENGTH (type);
case TYPE_CODE_COMPLEX:
static void
mn10300_store_return_value (struct gdbarch *gdbarch, struct type *type,
- struct regcache *regcache, const void *valbuf)
+ struct regcache *regcache, const gdb_byte *valbuf)
{
int len = TYPE_LENGTH (type);
int reg, regsz;
regcache_raw_write (regcache, reg, valbuf);
gdb_assert (regsz == register_size (gdbarch, reg + 1));
regcache_raw_write_part (regcache, reg+1, 0,
- len - regsz, (char *) valbuf + regsz);
+ len - regsz, valbuf + regsz);
}
else
internal_error (__FILE__, __LINE__,
mn10300_extract_return_value (struct gdbarch *gdbarch, struct type *type,
struct regcache *regcache, void *valbuf)
{
- char buf[MAX_REGISTER_SIZE];
+ gdb_byte buf[MN10300_MAX_REGISTER_SIZE];
int len = TYPE_LENGTH (type);
int reg, regsz;
reg = 0;
regsz = register_size (gdbarch, reg);
+ gdb_assert (regsz <= MN10300_MAX_REGISTER_SIZE);
if (len <= regsz)
{
regcache_raw_read (regcache, reg, buf);
from WRITEBUF into REGCACHE. */
static enum return_value_convention
-mn10300_return_value (struct gdbarch *gdbarch, struct type *func_type,
+mn10300_return_value (struct gdbarch *gdbarch, struct value *function,
struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
return RETURN_VALUE_REGISTER_CONVENTION;
}
-static char *
-register_name (int reg, char **regs, long sizeof_regs)
+static const char *
+register_name (int reg, const char **regs, long sizeof_regs)
{
if (reg < 0 || reg >= sizeof_regs / sizeof (regs[0]))
return NULL;
static const char *
mn10300_generic_register_name (struct gdbarch *gdbarch, int reg)
{
- static char *regs[] =
+ static const char *regs[] =
{ "d0", "d1", "d2", "d3", "a0", "a1", "a2", "a3",
"sp", "pc", "mdr", "psw", "lir", "lar", "", "",
"", "", "", "", "", "", "", "",
static const char *
am33_register_name (struct gdbarch *gdbarch, int reg)
{
- static char *regs[] =
+ static const char *regs[] =
{ "d0", "d1", "d2", "d3", "a0", "a1", "a2", "a3",
"sp", "pc", "mdr", "psw", "lir", "lar", "",
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
static const char *
am33_2_register_name (struct gdbarch *gdbarch, int reg)
{
- static char *regs[] =
+ static const char *regs[] =
{
"d0", "d1", "d2", "d3", "a0", "a1", "a2", "a3",
"sp", "pc", "mdr", "psw", "lir", "lar", "mdrq", "r0",
The Matsushita mn10x00 processors have single byte instructions
so we need a single byte breakpoint. Matsushita hasn't defined
one, so we defined it ourselves. */
+constexpr gdb_byte mn10300_break_insn[] = {0xff};
-const static unsigned char *
-mn10300_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *bp_addr,
- int *bp_size)
-{
- static char breakpoint[] = {0xff};
- *bp_size = 1;
- return breakpoint;
-}
+typedef BP_MANIPULATION (mn10300_break_insn) mn10300_breakpoint;
/* Model the semantics of pushing a register onto the stack. This
is a helper function for mn10300_analyze_prologue, below. */
struct mn10300_prologue *result)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- CORE_ADDR pc, next_pc;
+ CORE_ADDR pc;
int rn;
pv_t regs[MN10300_MAX_NUM_REGS];
struct pv_area *stack;
static CORE_ADDR
mn10300_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- char *name;
+ const char *name;
CORE_ADDR func_addr, func_end;
struct mn10300_prologue p;
stop_addr = func_start;
mn10300_analyze_prologue (get_frame_arch (this_frame),
- func_start, stop_addr, *this_prologue_cache);
+ func_start, stop_addr,
+ ((struct mn10300_prologue *)
+ *this_prologue_cache));
}
- return *this_prologue_cache;
+ return (struct mn10300_prologue *) *this_prologue_cache;
}
/* Given the next frame and a prologue cache, return this frame's
mn10300_frame_prev_register (struct frame_info *this_frame,
void **this_prologue_cache, int regnum)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame));
struct mn10300_prologue *p
= mn10300_analyze_frame_prologue (this_frame, this_prologue_cache);
CORE_ADDR frame_base = mn10300_frame_base (this_frame, this_prologue_cache);
- int reg_size = register_size (get_frame_arch (this_frame), regnum);
if (regnum == E_SP_REGNUM)
return frame_unwind_got_constant (this_frame, regnum, frame_base);
static const struct frame_unwind mn10300_frame_unwind = {
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
mn10300_frame_this_id,
mn10300_frame_prev_register,
NULL,
int len, arg_len;
int stack_offset = 0;
int argnum;
- char *val, valbuf[MAX_REGISTER_SIZE];
+ const gdb_byte *val;
+ gdb_byte valbuf[MN10300_MAX_REGISTER_SIZE];
/* This should be a nop, but align the stack just in case something
went wrong. Stacks are four byte aligned on the mn10300. */
{
/* Change to pointer-to-type. */
arg_len = push_size;
+ gdb_assert (push_size <= MN10300_MAX_REGISTER_SIZE);
store_unsigned_integer (valbuf, push_size, byte_order,
value_address (*args));
val = &valbuf[0];
else
{
arg_len = TYPE_LENGTH (value_type (*args));
- val = (char *) value_contents (*args);
+ val = value_contents (*args);
}
while (regs_used < 2 && arg_len > 0)
appear in GCC's numbering, but have no counterpart in GDB's
world, are marked with a -1. */
static int dwarf2_to_gdb[] = {
- 0, 1, 2, 3, 4, 5, 6, 7, -1, 8,
- 15, 16, 17, 18, 19, 20, 21, 22,
- 32, 33, 34, 35, 36, 37, 38, 39,
- 40, 41, 42, 43, 44, 45, 46, 47,
- 48, 49, 50, 51, 52, 53, 54, 55,
- 56, 57, 58, 59, 60, 61, 62, 63,
- 9, 11
+ E_D0_REGNUM, E_D1_REGNUM, E_D2_REGNUM, E_D3_REGNUM,
+ E_A0_REGNUM, E_A1_REGNUM, E_A2_REGNUM, E_A3_REGNUM,
+ -1, E_SP_REGNUM,
+
+ E_E0_REGNUM, E_E1_REGNUM, E_E2_REGNUM, E_E3_REGNUM,
+ E_E4_REGNUM, E_E5_REGNUM, E_E6_REGNUM, E_E7_REGNUM,
+
+ E_FS0_REGNUM + 0, E_FS0_REGNUM + 1, E_FS0_REGNUM + 2, E_FS0_REGNUM + 3,
+ E_FS0_REGNUM + 4, E_FS0_REGNUM + 5, E_FS0_REGNUM + 6, E_FS0_REGNUM + 7,
+
+ E_FS0_REGNUM + 8, E_FS0_REGNUM + 9, E_FS0_REGNUM + 10, E_FS0_REGNUM + 11,
+ E_FS0_REGNUM + 12, E_FS0_REGNUM + 13, E_FS0_REGNUM + 14, E_FS0_REGNUM + 15,
+
+ E_FS0_REGNUM + 16, E_FS0_REGNUM + 17, E_FS0_REGNUM + 18, E_FS0_REGNUM + 19,
+ E_FS0_REGNUM + 20, E_FS0_REGNUM + 21, E_FS0_REGNUM + 22, E_FS0_REGNUM + 23,
+
+ E_FS0_REGNUM + 24, E_FS0_REGNUM + 25, E_FS0_REGNUM + 26, E_FS0_REGNUM + 27,
+ E_FS0_REGNUM + 28, E_FS0_REGNUM + 29, E_FS0_REGNUM + 30, E_FS0_REGNUM + 31,
+
+ E_MDR_REGNUM, E_PSW_REGNUM, E_PC_REGNUM
};
if (dwarf2 < 0
|| dwarf2 >= ARRAY_SIZE (dwarf2_to_gdb))
- {
- warning (_("Bogus register number in debug info: %d"), dwarf2);
- return -1;
- }
+ return -1;
return dwarf2_to_gdb[dwarf2];
}
if (arches != NULL)
return arches->gdbarch;
- tdep = xmalloc (sizeof (struct gdbarch_tdep));
+ tdep = XCNEW (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
switch (info.bfd_arch_info->mach)
/* Stack unwinding. */
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
/* Breakpoints. */
- set_gdbarch_breakpoint_from_pc (gdbarch, mn10300_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ mn10300_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ mn10300_breakpoint::bp_from_kind);
/* decr_pc_after_break? */
- /* Disassembly. */
- set_gdbarch_print_insn (gdbarch, print_insn_mn10300);
/* Stage 2 */
set_gdbarch_return_value (gdbarch, mn10300_return_value);
projects / deliverable / binutils-gdb.git / blobdiff