/* Target-dependent code for the Toshiba MeP for GDB, the GNU debugger.
- Copyright (C) 2001-2012 Free Software Foundation, Inc.
+ Copyright (C) 2001-2017 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "gdbcore.h"
-#include "gdb_string.h"
#include "value.h"
#include "inferior.h"
#include "dis-asm.h"
#include "cgen/bitset.h"
#include "infcall.h"
-#include "gdb_assert.h"
-
/* Get the user's customized MeP coprocessor register names from
libopcodes. */
#include "opcodes/mep-desc.h"
mask contains any of the me_module's coprocessor ISAs,
specifically excluding the generic coprocessor register sets. */
- CGEN_CPU_DESC desc = gdbarch_tdep (target_gdbarch)->cpu_desc;
+ CGEN_CPU_DESC desc = gdbarch_tdep (target_gdbarch ())->cpu_desc;
const CGEN_HW_ENTRY *hw;
if (me_module == CONFIG_NONE)
mep_debug_reg_to_regnum (struct gdbarch *gdbarch, int debug_reg)
{
/* The debug info uses the raw register numbers. */
- return mep_raw_to_pseudo[debug_reg];
+ if (debug_reg >= 0 && debug_reg < ARRAY_SIZE (mep_raw_to_pseudo))
+ return mep_raw_to_pseudo[debug_reg];
+ return -1;
}
ULONGEST regval;
regcache_cooked_read_unsigned (get_current_regcache (),
MEP_MODULE_REGNUM, ®val);
- return regval;
+ return (CONFIG_ATTR) regval;
}
else
- return gdbarch_tdep (target_gdbarch)->me_module;
+ return gdbarch_tdep (target_gdbarch ())->me_module;
}
return pc;
}
-static void
-mep_write_pc (struct regcache *regcache, CORE_ADDR pc)
-{
- regcache_cooked_write_unsigned (regcache, MEP_PC_REGNUM, pc);
-}
-
-
static enum register_status
mep_pseudo_cr32_read (struct gdbarch *gdbarch,
struct regcache *regcache,
int cookednum,
- void *buf)
+ gdb_byte *buf)
{
enum register_status status;
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
/* Read the raw register into a 64-bit buffer, and then return the
appropriate end of that buffer. */
int rawnum = mep_pseudo_to_raw[cookednum];
- char buf64[8];
+ gdb_byte buf64[8];
gdb_assert (TYPE_LENGTH (register_type (gdbarch, rawnum)) == sizeof (buf64));
gdb_assert (TYPE_LENGTH (register_type (gdbarch, cookednum)) == 4);
mep_pseudo_cr64_read (struct gdbarch *gdbarch,
struct regcache *regcache,
int cookednum,
- void *buf)
+ gdb_byte *buf)
{
return regcache_raw_read (regcache, mep_pseudo_to_raw[cookednum], buf);
}
mep_pseudo_csr_write (struct gdbarch *gdbarch,
struct regcache *regcache,
int cookednum,
- const void *buf)
+ const gdb_byte *buf)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int size = register_size (gdbarch, cookednum);
mep_pseudo_cr32_write (struct gdbarch *gdbarch,
struct regcache *regcache,
int cookednum,
- const void *buf)
+ const gdb_byte *buf)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
/* Expand the 32-bit value into a 64-bit value, and write that to
the pseudoregister. */
int rawnum = mep_pseudo_to_raw[cookednum];
- char buf64[8];
+ gdb_byte buf64[8];
gdb_assert (TYPE_LENGTH (register_type (gdbarch, rawnum)) == sizeof (buf64));
gdb_assert (TYPE_LENGTH (register_type (gdbarch, cookednum)) == 4);
mep_pseudo_cr64_write (struct gdbarch *gdbarch,
struct regcache *regcache,
int cookednum,
- const void *buf)
+ const gdb_byte *buf)
{
regcache_raw_write (regcache, mep_pseudo_to_raw[cookednum], buf);
}
anyway. */
static CORE_ADDR
-mep_get_insn (struct gdbarch *gdbarch, CORE_ADDR pc, long *insn)
+mep_get_insn (struct gdbarch *gdbarch, CORE_ADDR pc, unsigned long *insn)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int pc_in_vliw_section;
int vliw_mode;
int insn_len;
- char buf[2];
+ gdb_byte buf[2];
*insn = 0;
\f
/* Breakpoints. */
+constexpr gdb_byte mep_break_insn[] = { 0x70, 0x32 };
-static const unsigned char *
-mep_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR * pcptr, int *lenptr)
-{
- static unsigned char breakpoint[] = { 0x70, 0x32 };
- *lenptr = sizeof (breakpoint);
- return breakpoint;
-}
-
+typedef BP_MANIPULATION (mep_break_insn) mep_breakpoint;
\f
/* Frames and frame unwinding. */
stop_addr = func_start;
mep_analyze_prologue (get_frame_arch (this_frame),
- func_start, stop_addr, *this_prologue_cache);
+ func_start, stop_addr,
+ (struct mep_prologue *) *this_prologue_cache);
}
- return *this_prologue_cache;
+ return (struct mep_prologue *) *this_prologue_cache;
}
}
else
{
- char buf[MEP_GPR_SIZE];
+ gdb_byte buf[MEP_GPR_SIZE];
store_unsigned_integer (buf, MEP_GPR_SIZE, byte_order, value);
write_memory (arg_stack, buf, MEP_GPR_SIZE);
arg_stack += MEP_GPR_SIZE;
/* The way to get the me_module code depends on the object file
format. At the moment, we only know how to handle ELF. */
if (bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
- me_module = elf_elfheader (info.abfd)->e_flags & EF_MEP_INDEX_MASK;
+ {
+ int flag = elf_elfheader (info.abfd)->e_flags & EF_MEP_INDEX_MASK;
+ me_module = (CONFIG_ATTR) flag;
+ }
else
me_module = CONFIG_NONE;
}
if (gdbarch_tdep (arches->gdbarch)->me_module == me_module)
return arches->gdbarch;
- tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
+ tdep = XNEW (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
/* Get a CGEN CPU descriptor for this architecture. */
/* Register set. */
set_gdbarch_read_pc (gdbarch, mep_read_pc);
- set_gdbarch_write_pc (gdbarch, mep_write_pc);
set_gdbarch_num_regs (gdbarch, MEP_NUM_RAW_REGS);
+ set_gdbarch_pc_regnum (gdbarch, MEP_PC_REGNUM);
set_gdbarch_sp_regnum (gdbarch, MEP_SP_REGNUM);
set_gdbarch_register_name (gdbarch, mep_register_name);
set_gdbarch_register_type (gdbarch, mep_register_type);
set_gdbarch_print_insn (gdbarch, mep_gdb_print_insn);
/* Breakpoints. */
- set_gdbarch_breakpoint_from_pc (gdbarch, mep_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, mep_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, mep_breakpoint::bp_from_kind);
set_gdbarch_decr_pc_after_break (gdbarch, 0);
set_gdbarch_skip_prologue (gdbarch, mep_skip_prologue);
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