X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdbserver%2Flinux-m68k-low.cc;h=838ba353b0b17f2a4c1097f4f295268fc3eef3ce;hb=5fd104addfddb68844fb8df67be832ee98ad9888;hp=6483c27698e082a9daaa38c4d847e128aad0008a;hpb=06250e4e67c0f40a00526afac642b4c345b56750;p=deliverable%2Fbinutils-gdb.git diff --git a/gdbserver/linux-m68k-low.cc b/gdbserver/linux-m68k-low.cc index 6483c27698..838ba353b0 100644 --- a/gdbserver/linux-m68k-low.cc +++ b/gdbserver/linux-m68k-low.cc @@ -27,6 +27,8 @@ 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; @@ -40,6 +42,10 @@ protected: CORE_ADDR low_get_pc (regcache *regcache) override; void low_set_pc (regcache *regcache, CORE_ADDR newpc) override; + + int low_decr_pc_after_break () override; + + bool low_breakpoint_at (CORE_ADDR pc) override; }; /* The singleton target ops object. */ @@ -64,6 +70,12 @@ m68k_target::low_set_pc (regcache *regcache, CORE_ADDR pc) linux_set_pc_32bit (regcache, pc); } +int +m68k_target::low_decr_pc_after_break () +{ + return 2; +} + /* Defined in auto-generated file reg-m68k.c. */ void init_registers_m68k (void); extern const struct target_desc *tdesc_m68k; @@ -170,25 +182,25 @@ static struct regset_info m68k_regsets[] = { static const gdb_byte m68k_breakpoint[] = { 0x4E, 0x4F }; #define m68k_breakpoint_len 2 -/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */ +/* Implementation of target ops method "sw_breakpoint_from_kind". */ -static const gdb_byte * -m68k_sw_breakpoint_from_kind (int kind, int *size) +const gdb_byte * +m68k_target::sw_breakpoint_from_kind (int kind, int *size) { *size = m68k_breakpoint_len; return m68k_breakpoint; } -static int -m68k_breakpoint_at (CORE_ADDR pc) +bool +m68k_target::low_breakpoint_at (CORE_ADDR pc) { unsigned char c[2]; read_inferior_memory (pc, c, 2); if (c[0] == 0x4E && c[1] == 0x4F) - return 1; + return true; - return 0; + return false; } #include @@ -244,43 +256,6 @@ m68k_target::low_arch_setup () current_process ()->tdesc = tdesc_m68k; } -/* Support for hardware single step. */ - -static int -m68k_supports_hardware_single_step (void) -{ - return 1; -} - -struct linux_target_ops the_low_target = { - m68k_sw_breakpoint_from_kind, - NULL, - 2, - m68k_breakpoint_at, - NULL, /* supports_z_point_type */ - NULL, /* insert_point */ - NULL, /* remove_point */ - NULL, /* stopped_by_watchpoint */ - NULL, /* stopped_data_address */ - NULL, /* collect_ptrace_register */ - NULL, /* supply_ptrace_register */ - NULL, /* siginfo_fixup */ - NULL, /* new_process */ - NULL, /* delete_process */ - NULL, /* new_thread */ - NULL, /* delete_thread */ - NULL, /* new_fork */ - NULL, /* prepare_to_resume */ - NULL, /* process_qsupported */ - NULL, /* supports_tracepoints */ - NULL, /* get_thread_area */ - NULL, /* install_fast_tracepoint_jump_pad */ - NULL, /* emit_ops */ - NULL, /* get_min_fast_tracepoint_insn_len */ - NULL, /* supports_range_stepping */ - m68k_supports_hardware_single_step, -}; - /* The linux target ops object. */ linux_process_target *the_linux_target = &the_m68k_target;