/* GNU/Linux/Nios II specific low level interface, for the remote server for
GDB.
- Copyright (C) 2008-2020 Free Software Foundation, Inc.
+ Copyright (C) 2008-2022 Free Software Foundation, Inc.
Contributed by Mentor Graphics, Inc.
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;
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;
};
/* The singleton target ops object. */
static const unsigned int nios2_breakpoint = NIOS2_BREAKPOINT;
#define nios2_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 *
-nios2_sw_breakpoint_from_kind (int kind, int *size)
+const gdb_byte *
+nios2_target::sw_breakpoint_from_kind (int kind, int *size)
{
*size = nios2_breakpoint_len;
return (const gdb_byte *) &nios2_breakpoint;
}
-/* Implement the breakpoint_at linux_target_ops method. */
+/* Implement the low_breakpoint_at linux target ops method. */
-static int
-nios2_breakpoint_at (CORE_ADDR where)
+bool
+nios2_target::low_breakpoint_at (CORE_ADDR where)
{
unsigned int insn;
/* For R2, first check for the 2-byte CDX trap.n breakpoint encoding. */
#if defined(__nios2_arch__) && __nios2_arch__ == 2
- the_target->read_memory (where, (unsigned char *) &insn, 2);
+ read_memory (where, (unsigned char *) &insn, 2);
if (insn == CDX_BREAKPOINT)
- return 1;
+ return true;
#endif
- the_target->read_memory (where, (unsigned char *) &insn, 4);
+ read_memory (where, (unsigned char *) &insn, 4);
if (insn == nios2_breakpoint)
- return 1;
- return 0;
+ return true;
+ return false;
}
/* Fetch the thread-local storage pointer for libthread_db. */
ps_err_e
ps_get_thread_area (struct ps_prochandle *ph,
- lwpid_t lwpid, int idx, void **base)
+ lwpid_t lwpid, int idx, void **base)
{
if (ptrace (PTRACE_GET_THREAD_AREA, lwpid, NULL, base) != 0)
return PS_ERR;
return &myregs_info;
}
-struct linux_target_ops the_low_target =
-{
- NULL, /* breakpoint_kind_from_pc */
- nios2_sw_breakpoint_from_kind,
- NULL, /* get_next_pcs */
- 0,
- nios2_breakpoint_at,
-};
-
/* The linux target ops object. */
linux_process_target *the_linux_target = &the_nios2_target;