{
public:
+ const regs_info *get_regs_info () override;
+
+ const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
+
+ bool supports_z_point_type (char z_type) 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;
+
+ bool low_breakpoint_at (CORE_ADDR pc) override;
+
+ int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp) override;
+
+ int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp) override;
+
+ bool low_stopped_by_watchpoint () override;
+
+ CORE_ADDR low_stopped_data_address () override;
+
+ void low_collect_ptrace_register (regcache *regcache, int regno,
+ char *buf) override;
+
+ void low_supply_ptrace_register (regcache *regcache, int regno,
+ const char *buf) override;
+
+ arch_process_info *low_new_process () override;
+
+ void low_delete_process (arch_process_info *info) override;
+
+ void low_new_thread (lwp_info *) override;
+
+ void low_delete_thread (arch_lwp_info *) override;
+
+ void low_new_fork (process_info *parent, process_info *child) override;
+
+ void low_prepare_to_resume (lwp_info *lwp) 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;
+}
+
+bool
+mips_target::low_supports_breakpoints ()
+{
+ return true;
}
-static CORE_ADDR
-mips_get_pc (struct regcache *regcache)
+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;
}
-static int
-mips_breakpoint_at (CORE_ADDR where)
+bool
+mips_target::low_breakpoint_at (CORE_ADDR where)
{
unsigned int insn;
- the_target->read_memory (where, (unsigned char *) &insn, 4);
+ read_memory (where, (unsigned char *) &insn, 4);
if (insn == mips_breakpoint)
- return 1;
+ return true;
/* If necessary, recognize more trap instructions here. GDB only uses the
one. */
- return 0;
+ return false;
}
/* Mark the watch registers of lwp, represented by ENTRY, as changed. */
linux_stop_lwp (lwp);
}
-/* This is the implementation of linux_target_ops method
- new_process. */
+/* This is the implementation of linux target ops method
+ low_new_process. */
-static struct arch_process_info *
-mips_linux_new_process (void)
+arch_process_info *
+mips_target::low_new_process ()
{
struct arch_process_info *info = XCNEW (struct arch_process_info);
return info;
}
-/* This is the implementation of linux_target_ops method
- delete_process. */
+/* This is the implementation of linux target ops method
+ low_delete_process. */
-static void
-mips_linux_delete_process (struct arch_process_info *info)
+void
+mips_target::low_delete_process (arch_process_info *info)
{
xfree (info);
}
-/* This is the implementation of linux_target_ops method new_thread.
+/* This is the implementation of linux target ops method low_new_thread.
Mark the watch registers as changed, so the threads' copies will
be updated. */
-static void
-mips_linux_new_thread (struct lwp_info *lwp)
+void
+mips_target::low_new_thread (lwp_info *lwp)
{
struct arch_lwp_info *info = XCNEW (struct arch_lwp_info);
/* Function to call when a thread is being deleted. */
-static void
-mips_linux_delete_thread (struct arch_lwp_info *arch_lwp)
+void
+mips_target::low_delete_thread (arch_lwp_info *arch_lwp)
{
xfree (arch_lwp);
}
/* Hook to call when a new fork is attached. */
-static void
-mips_linux_new_fork (struct process_info *parent,
- struct process_info *child)
+void
+mips_target::low_new_fork (process_info *parent,
+ process_info *child)
{
struct arch_process_info *parent_private;
struct arch_process_info *child_private;
child_private->watch_mirror = parent_private->watch_mirror;
}
-/* This is the implementation of linux_target_ops method
- prepare_to_resume. If the watch regs have changed, update the
+/* This is the implementation of linux target ops method
+ low_prepare_to_resume. If the watch regs have changed, update the
thread's copies. */
-static void
-mips_linux_prepare_to_resume (struct lwp_info *lwp)
+void
+mips_target::low_prepare_to_resume (lwp_info *lwp)
{
ptid_t ptid = ptid_of (get_lwp_thread (lwp));
struct process_info *proc = find_process_pid (ptid.pid ());
}
}
-static int
-mips_supports_z_point_type (char z_type)
+bool
+mips_target::supports_z_point_type (char z_type)
{
switch (z_type)
{
case Z_PACKET_WRITE_WP:
case Z_PACKET_READ_WP:
case Z_PACKET_ACCESS_WP:
- return 1;
+ return true;
default:
- return 0;
+ return false;
}
}
-/* This is the implementation of linux_target_ops method
- insert_point. */
+/* This is the implementation of linux target ops method
+ low_insert_point. */
-static int
-mips_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
- int len, struct raw_breakpoint *bp)
+int
+mips_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
+ int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arch_process_info *priv = proc->priv->arch_private;
return 0;
}
-/* This is the implementation of linux_target_ops method
- remove_point. */
+/* This is the implementation of linux target ops method
+ low_remove_point. */
-static int
-mips_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
- int len, struct raw_breakpoint *bp)
+int
+mips_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
+ int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arch_process_info *priv = proc->priv->arch_private;
return 0;
}
-/* This is the implementation of linux_target_ops method
- stopped_by_watchpoint. The watchhi R and W bits indicate
+/* This is the implementation of linux target ops method
+ low_stopped_by_watchpoint. The watchhi R and W bits indicate
the watch register triggered. */
-static int
-mips_stopped_by_watchpoint (void)
+bool
+mips_target::low_stopped_by_watchpoint ()
{
struct process_info *proc = current_process ();
struct arch_process_info *priv = proc->priv->arch_private;
for (n = 0; n < MAX_DEBUG_REGISTER && n < num_valid; n++)
if (mips_linux_watch_get_watchhi (&priv->watch_readback, n)
& (R_MASK | W_MASK))
- return 1;
+ return true;
- return 0;
+ return false;
}
-/* This is the implementation of linux_target_ops method
- stopped_data_address. */
+/* This is the implementation of linux target ops method
+ low_stopped_data_address. */
-static CORE_ADDR
-mips_stopped_data_address (void)
+CORE_ADDR
+mips_target::low_stopped_data_address ()
{
struct process_info *proc = current_process ();
struct arch_process_info *priv = proc->priv->arch_private;
/* Take care of 32-bit registers with 64-bit ptrace, POKEUSER side. */
-static void
-mips_collect_ptrace_register (struct regcache *regcache,
- int regno, char *buf)
+void
+mips_target::low_collect_ptrace_register (regcache *regcache, int regno,
+ char *buf)
{
int use_64bit = sizeof (PTRACE_XFER_TYPE) == 8;
/* Take care of 32-bit registers with 64-bit ptrace, PEEKUSER side. */
-static void
-mips_supply_ptrace_register (struct regcache *regcache,
- int regno, const char *buf)
+void
+mips_target::low_supply_ptrace_register (regcache *regcache, int regno,
+ const char *buf)
{
int use_64bit = sizeof (PTRACE_XFER_TYPE) == 8;
&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;
-}
-
-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,
- mips_remove_point,
- mips_stopped_by_watchpoint,
- mips_stopped_data_address,
- mips_collect_ptrace_register,
- mips_supply_ptrace_register,
- NULL, /* siginfo_fixup */
- mips_linux_new_process,
- mips_linux_delete_process,
- mips_linux_new_thread,
- mips_linux_delete_thread,
- mips_linux_new_fork,
- mips_linux_prepare_to_resume
-};
+ return &myregs_info;
+}
/* The linux target ops object. */
projects / deliverable / binutils-gdb.git / blobdiff