{
public:
+ const regs_info *get_regs_info () override;
+
+ const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
+
+protected:
+
+ void low_arch_setup () override;
+
+ bool low_cannot_fetch_register (int regno) override;
+
+ bool low_cannot_store_register (int regno) override;
+
+ bool low_fetch_register (regcache *regcache, int regno) override;
+
+ bool low_supports_breakpoints () override;
+
+ CORE_ADDR low_get_pc (regcache *regcache) override;
+
+ void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
};
/* The singleton target ops object. */
return have_dsp ? tdesc_mips_dsp_linux : tdesc_mips_linux;
}
-static void
-mips_arch_setup (void)
+void
+mips_target::low_arch_setup ()
{
current_process ()->tdesc = mips_read_description ();
}
-static struct usrregs_info *
-get_usrregs_info (void)
-{
- const struct regs_info *regs_info = the_low_target.regs_info ();
-
- return regs_info->usrregs;
-}
-
/* Per-process arch-specific data we want to keep. */
struct arch_process_info
ZERO_REGNUM, it's always 0. We also can not set BADVADDR, CAUSE,
or FCRIR via ptrace(). */
-static int
-mips_cannot_fetch_register (int regno)
+bool
+mips_target::low_cannot_fetch_register (int regno)
{
const struct target_desc *tdesc;
- if (get_usrregs_info ()->regmap[regno] == -1)
- return 1;
+ if (get_regs_info ()->usrregs->regmap[regno] == -1)
+ return true;
tdesc = current_process ()->tdesc;
/* On n32 we can't access 64-bit registers via PTRACE_PEEKUSR. */
if (register_size (tdesc, regno) > sizeof (PTRACE_XFER_TYPE))
- return 1;
+ return true;
if (find_regno (tdesc, "r0") == regno)
- return 1;
+ return true;
- return 0;
+ return false;
}
-static int
-mips_cannot_store_register (int regno)
+bool
+mips_target::low_cannot_store_register (int regno)
{
const struct target_desc *tdesc;
- if (get_usrregs_info ()->regmap[regno] == -1)
- return 1;
+ if (get_regs_info ()->usrregs->regmap[regno] == -1)
+ return true;
tdesc = current_process ()->tdesc;
/* On n32 we can't access 64-bit registers via PTRACE_POKEUSR. */
if (register_size (tdesc, regno) > sizeof (PTRACE_XFER_TYPE))
- return 1;
+ return true;
if (find_regno (tdesc, "r0") == regno)
- return 1;
+ return true;
if (find_regno (tdesc, "cause") == regno)
- return 1;
+ return true;
if (find_regno (tdesc, "badvaddr") == regno)
- return 1;
+ return true;
if (find_regno (tdesc, "fir") == regno)
- return 1;
+ return true;
- return 0;
+ return false;
}
-static int
-mips_fetch_register (struct regcache *regcache, int regno)
+bool
+mips_target::low_fetch_register (regcache *regcache, int regno)
{
const struct target_desc *tdesc = current_process ()->tdesc;
if (find_regno (tdesc, "r0") == regno)
{
supply_register_zeroed (regcache, regno);
- return 1;
+ return true;
}
- return 0;
+ return false;
}
-static CORE_ADDR
-mips_get_pc (struct regcache *regcache)
+bool
+mips_target::low_supports_breakpoints ()
+{
+ return true;
+}
+
+CORE_ADDR
+mips_target::low_get_pc (regcache *regcache)
{
union mips_register pc;
collect_register_by_name (regcache, "pc", pc.buf);
return register_size (regcache->tdesc, 0) == 4 ? pc.reg32 : pc.reg64;
}
-static void
-mips_set_pc (struct regcache *regcache, CORE_ADDR pc)
+void
+mips_target::low_set_pc (regcache *regcache, CORE_ADDR pc)
{
union mips_register newpc;
if (register_size (regcache->tdesc, 0) == 4)
static const unsigned int mips_breakpoint = 0x0005000d;
#define mips_breakpoint_len 4
-/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */
+/* Implementation of target ops method "sw_breakpoint_from_kind". */
-static const gdb_byte *
-mips_sw_breakpoint_from_kind (int kind, int *size)
+const gdb_byte *
+mips_target::sw_breakpoint_from_kind (int kind, int *size)
{
*size = mips_breakpoint_len;
return (const gdb_byte *) &mips_breakpoint;
&mips_regsets_info
};
-static struct regs_info regs_info =
+static struct regs_info myregs_info =
{
NULL, /* regset_bitmap */
&mips_usrregs_info,
&mips_regsets_info
};
-static const struct regs_info *
-mips_regs_info (void)
+const regs_info *
+mips_target::get_regs_info ()
{
if (have_dsp)
return &dsp_regs_info;
else
- return ®s_info;
+ return &myregs_info;
}
struct linux_target_ops the_low_target = {
- mips_arch_setup,
- mips_regs_info,
- mips_cannot_fetch_register,
- mips_cannot_store_register,
- mips_fetch_register,
- mips_get_pc,
- mips_set_pc,
- NULL, /* breakpoint_kind_from_pc */
- mips_sw_breakpoint_from_kind,
- NULL, /* get_next_pcs */
- 0,
mips_breakpoint_at,
mips_supports_z_point_type,
mips_insert_point,