X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdbserver%2Flinux-sparc-low.cc;h=ae3f8c93a7172a6ad5e6d7322c4f1a0e39ca499c;hb=bd920864f3dc2cad376989a642ab774aef6b2fce;hp=1ede07f44691970302b0a3fd2d43b2488c86670a;hpb=797bcff595c5e161b333077299fcaca19bb4fd17;p=deliverable%2Fbinutils-gdb.git diff --git a/gdbserver/linux-sparc-low.cc b/gdbserver/linux-sparc-low.cc index 1ede07f446..ae3f8c93a7 100644 --- a/gdbserver/linux-sparc-low.cc +++ b/gdbserver/linux-sparc-low.cc @@ -48,15 +48,43 @@ class sparc_target : public linux_process_target { 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_supports_breakpoints () override; + + CORE_ADDR low_get_pc (regcache *regcache) override; + + /* No low_set_pc is needed. */ + + bool low_breakpoint_at (CORE_ADDR pc) override; }; /* The singleton target ops object. */ static sparc_target the_sparc_target; +bool +sparc_target::low_supports_breakpoints () +{ + return true; +} + +CORE_ADDR +sparc_target::low_get_pc (regcache *regcache) +{ + return linux_get_pc_64bit (regcache); +} + /* Each offset is multiplied by 8, because of the register size. These offsets apply to the buffer sent/filled by ptrace. Additionally, the array elements order corresponds to the .dat file, and the @@ -117,14 +145,14 @@ static const struct regs_range_t fpregs_ranges[] = { void init_registers_sparc64 (void); extern const struct target_desc *tdesc_sparc64; -static int -sparc_cannot_store_register (int regno) +bool +sparc_target::low_cannot_store_register (int regno) { return (regno >= sparc_num_regs || sparc_regmap[regno] == -1); } -static int -sparc_cannot_fetch_register (int regno) +bool +sparc_target::low_cannot_fetch_register (int regno) { return (regno >= sparc_num_regs || sparc_regmap[regno] == -1); } @@ -243,29 +271,29 @@ static const gdb_byte sparc_breakpoint[INSN_SIZE] = { }; #define sparc_breakpoint_len INSN_SIZE -/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */ +/* Implementation of target ops method "sw_breakpoint_from_kind". */ -static const unsigned char * -sparc_sw_breakpoint_from_kind (int kind, int *size) +const gdb_byte * +sparc_target::sw_breakpoint_from_kind (int kind, int *size) { *size = sparc_breakpoint_len; return sparc_breakpoint; } -static int -sparc_breakpoint_at (CORE_ADDR where) +bool +sparc_target::low_breakpoint_at (CORE_ADDR where) { unsigned char insn[INSN_SIZE]; - the_target->read_memory (where, (unsigned char *) insn, sizeof (insn)); + read_memory (where, (unsigned char *) insn, sizeof (insn)); if (memcmp (sparc_breakpoint, insn, sizeof (insn)) == 0) - return 1; + return true; /* If necessary, recognize more trap instructions here. GDB only uses TRAP Always. */ - return 0; + return false; } void @@ -299,37 +327,19 @@ static struct usrregs_info sparc_usrregs_info = NULL }; -static struct regs_info regs_info = +static struct regs_info myregs_info = { NULL, /* regset_bitmap */ &sparc_usrregs_info, &sparc_regsets_info }; -static const struct regs_info * -sparc_regs_info (void) +const regs_info * +sparc_target::get_regs_info () { - return ®s_info; + return &myregs_info; } -struct linux_target_ops the_low_target = { - sparc_regs_info, - sparc_cannot_fetch_register, - sparc_cannot_store_register, - NULL, /* fetch_register */ - linux_get_pc_64bit, - /* No sparc_set_pc is needed. */ - NULL, - NULL, /* breakpoint_kind_from_pc */ - sparc_sw_breakpoint_from_kind, - NULL, /* get_next_pcs */ - 0, - sparc_breakpoint_at, - NULL, /* supports_z_point_type */ - NULL, NULL, NULL, NULL, - NULL, NULL -}; - /* The linux target ops object. */ linux_process_target *the_linux_target = &the_sparc_target;