/* Target-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
- Copyright (C) 2002-2005, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 2002-2018 Free Software Foundation, Inc.
This file is part of GDB.
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "gdb_string.h"
#include "inferior.h"
#include "gdbcore.h"
#include "arch-utils.h"
#include "frame-base.h"
#include "trad-frame.h"
#include "dis-asm.h"
-#include "gdb_assert.h"
#include "sim-regno.h"
#include "gdb/sim-frv.h"
#include "opcodes/frv-desc.h" /* for the H_SPR_... enums */
#include "infcall.h"
#include "solib.h"
#include "frv-tdep.h"
-
-extern void _initialize_frv_tdep (void);
+#include "objfiles.h"
struct frv_unwind_cache /* was struct frame_extra_info */
{
int num_hw_breakpoints;
/* Register names. */
- char **register_names;
+ const char **register_names;
};
/* Return the FR-V ABI associated with GDBARCH. */
{
struct gdbarch_tdep *var;
int r;
- char buf[20];
- var = xmalloc (sizeof (*var));
- memset (var, 0, sizeof (*var));
-
+ var = XCNEW (struct gdbarch_tdep);
+
var->frv_abi = FRV_ABI_EABI;
var->num_gprs = 64;
var->num_fprs = 64;
/* By default, don't supply any general-purpose or floating-point
register names. */
var->register_names
- = (char **) xmalloc ((frv_num_regs + frv_num_pseudo_regs)
- * sizeof (char *));
+ = (const char **) xmalloc ((frv_num_regs + frv_num_pseudo_regs)
+ * sizeof (const char *));
for (r = 0; r < frv_num_regs + frv_num_pseudo_regs; r++)
var->register_names[r] = "";
{
char buf[20];
- sprintf (buf, "gr%d", r);
+ xsnprintf (buf, sizeof (buf), "gr%d", r);
var->register_names[first_gpr_regnum + r] = xstrdup (buf);
}
}
{
char buf[20];
- sprintf (buf, "fr%d", r);
+ xsnprintf (buf, sizeof (buf), "fr%d", r);
var->register_names[first_fpr_regnum + r] = xstrdup (buf);
}
}
}
static enum register_status
-frv_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
+frv_pseudo_register_read (struct gdbarch *gdbarch, readable_regcache *regcache,
int reg, gdb_byte *buffer)
{
enum register_status status;
if (reg == iacc0_regnum)
{
- status = regcache_raw_read (regcache, iacc0h_regnum, buffer);
+ status = regcache->raw_read (iacc0h_regnum, buffer);
if (status == REG_VALID)
- status = regcache_raw_read (regcache, iacc0l_regnum, (bfd_byte *) buffer + 4);
+ status = regcache->raw_read (iacc0l_regnum, (bfd_byte *) buffer + 4);
}
else if (accg0_regnum <= reg && reg <= accg7_regnum)
{
int byte_num = (reg - accg0_regnum) % 4;
gdb_byte buf[4];
- status = regcache_raw_read (regcache, raw_regnum, buf);
+ status = regcache->raw_read (raw_regnum, buf);
if (status == REG_VALID)
{
memset (buffer, 0, 4);
{
if (reg == iacc0_regnum)
{
- regcache_raw_write (regcache, iacc0h_regnum, buffer);
- regcache_raw_write (regcache, iacc0l_regnum, (bfd_byte *) buffer + 4);
+ regcache->raw_write (iacc0h_regnum, buffer);
+ regcache->raw_write (iacc0l_regnum, (bfd_byte *) buffer + 4);
}
else if (accg0_regnum <= reg && reg <= accg7_regnum)
{
int raw_regnum = accg0123_regnum + (reg - accg0_regnum) / 4;
int byte_num = (reg - accg0_regnum) % 4;
- char buf[4];
+ gdb_byte buf[4];
- regcache_raw_read (regcache, raw_regnum, buf);
+ regcache->raw_read (raw_regnum, buf);
buf[byte_num] = ((bfd_byte *) buffer)[0];
- regcache_raw_write (regcache, raw_regnum, buf);
+ regcache->raw_write (raw_regnum, buf);
}
}
internal_error (__FILE__, __LINE__, _("Bad register number %d"), reg);
}
-static const unsigned char *
-frv_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenp)
-{
- static unsigned char breakpoint[] = {0xc0, 0x70, 0x00, 0x01};
- *lenp = sizeof (breakpoint);
- return breakpoint;
-}
+constexpr gdb_byte frv_break_insn[] = {0xc0, 0x70, 0x00, 0x01};
+
+typedef BP_MANIPULATION (frv_break_insn) frv_breakpoint;
/* Define the maximum number of instructions which may be packed into a
bundle (VLIW instruction). */
an instruction word whose packing bit is set to one. */
while (count-- > 0 && addr >= func_start)
{
- char instr[frv_instr_size];
+ gdb_byte instr[frv_instr_size];
int status;
status = target_read_memory (addr, instr, sizeof instr);
/* Scan the prologue. */
while (pc < lim_pc)
{
- char buf[frv_instr_size];
+ gdb_byte buf[frv_instr_size];
LONGEST op;
if (target_read_memory (pc, buf, sizeof buf) != 0)
{
LONGEST displ;
CORE_ADDR call_dest;
- struct minimal_symbol *s;
+ struct bound_minimal_symbol s;
displ = ((op & 0xfe000000) >> 7) | (op & 0x0003ffff);
if ((displ & 0x00800000) != 0)
call_dest = pc + 4 * displ;
s = lookup_minimal_symbol_by_pc (call_dest);
- if (s != NULL
- && SYMBOL_LINKAGE_NAME (s) != NULL
- && strcmp (SYMBOL_LINKAGE_NAME (s), "__main") == 0)
+ if (s.minsym != NULL
+ && MSYMBOL_LINKAGE_NAME (s.minsym) != NULL
+ && strcmp (MSYMBOL_LINKAGE_NAME (s.minsym), "__main") == 0)
{
pc += 4;
return pc;
void **this_prologue_cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
- CORE_ADDR pc;
- ULONGEST this_base;
struct frv_unwind_cache *info;
if ((*this_prologue_cache))
- return (*this_prologue_cache);
+ return (struct frv_unwind_cache *) (*this_prologue_cache);
info = FRAME_OBSTACK_ZALLOC (struct frv_unwind_cache);
(*this_prologue_cache) = info;
frv_extract_return_value (struct type *type, struct regcache *regcache,
gdb_byte *valbuf)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR descr;
- char valbuf[4];
+ gdb_byte valbuf[4];
CORE_ADDR start_addr;
/* If we can't find the function in the symbol table, then we assume
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int argreg;
int argnum;
- char *val;
- char valbuf[4];
+ const gdb_byte *val;
+ gdb_byte valbuf[4];
struct value *arg;
struct type *arg_type;
int len;
}
else
{
- val = (char *) value_contents (arg);
+ val = value_contents (arg);
}
while (len > 0)
bfd_byte val[4];
memset (val, 0, sizeof (val));
memcpy (val + (4 - len), valbuf, len);
- regcache_cooked_write (regcache, 8, val);
+ regcache->cooked_write (8, val);
}
else if (len == 8)
{
- regcache_cooked_write (regcache, 8, valbuf);
- regcache_cooked_write (regcache, 9, (bfd_byte *) valbuf + 4);
+ regcache->cooked_write (8, valbuf);
+ regcache->cooked_write (9, (bfd_byte *) valbuf + 4);
}
else
internal_error (__FILE__, __LINE__,
}
static enum return_value_convention
-frv_return_value (struct gdbarch *gdbarch, struct type *func_type,
+frv_return_value (struct gdbarch *gdbarch, struct value *function,
struct type *valtype, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
= frv_frame_unwind_cache (this_frame, this_prologue_cache);
CORE_ADDR base;
CORE_ADDR func;
- struct minimal_symbol *msym_stack;
+ struct bound_minimal_symbol msym_stack;
struct frame_id id;
/* The FUNC is easy. */
/* Check if the stack is empty. */
msym_stack = lookup_minimal_symbol ("_stack", NULL, NULL);
- if (msym_stack && info->base == SYMBOL_VALUE_ADDRESS (msym_stack))
+ if (msym_stack.minsym && info->base == BMSYMBOL_VALUE_ADDRESS (msym_stack))
return;
/* Hopefully the prologue analysis either correctly determined the
{
case bfd_mach_frv:
case bfd_mach_frvsimple:
+ case bfd_mach_fr300:
case bfd_mach_fr500:
case bfd_mach_frvtomcat:
case bfd_mach_fr550:
set_gdbarch_skip_prologue (gdbarch, frv_skip_prologue);
set_gdbarch_skip_main_prologue (gdbarch, frv_skip_main_prologue);
- set_gdbarch_breakpoint_from_pc (gdbarch, frv_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, frv_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, frv_breakpoint::bp_from_kind);
set_gdbarch_adjust_breakpoint_address
(gdbarch, frv_adjust_breakpoint_address);
{
case bfd_mach_frv:
case bfd_mach_frvsimple:
+ case bfd_mach_fr300:
case bfd_mach_fr500:
case bfd_mach_frvtomcat:
/* fr500-style hardware debugging support. */
break;
}
- set_gdbarch_print_insn (gdbarch, print_insn_frv);
if (frv_abi (gdbarch) == FRV_ABI_FDPIC)
set_gdbarch_convert_from_func_ptr_addr (gdbarch,
frv_convert_from_func_ptr_addr);
projects / deliverable / binutils-gdb.git / blobdiff