#include "nat/mips-linux-watch.h"
#include "gdb_proc_service.h"
+/* Linux target op definitions for the MIPS architecture. */
+
+class mips_target : public linux_process_target
+{
+public:
+
+ const regs_info *get_regs_info () override;
+
+protected:
+
+ void low_arch_setup () override;
+
+ bool low_cannot_fetch_register (int regno) override;
+
+ bool low_cannot_store_register (int regno) override;
+};
+
+/* The singleton target ops object. */
+
+static mips_target the_mips_target;
+
/* Defined in auto-generated file mips-linux.c. */
void init_registers_mips_linux (void);
extern const struct target_desc *tdesc_mips_linux;
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
{
unsigned int insn;
- the_target->pt->read_memory (where, (unsigned char *) &insn, 4);
+ the_target->read_memory (where, (unsigned char *) &insn, 4);
if (insn == mips_breakpoint)
return 1;
&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,
mips_linux_prepare_to_resume
};
+/* The linux target ops object. */
+
+linux_process_target *the_linux_target = &the_mips_target;
+
void
initialize_low_arch (void)
{