X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdbserver%2Flinux-s390-low.cc;h=f095181a23443b46cfa3460d142a3c88efd819d4;hb=5fd104addfddb68844fb8df67be832ee98ad9888;hp=be99c26c58d5ab261e53ac6b3ae1dbfdd53caf3c;hpb=fd000fb3dfd9c93e332246bf89b700ab9aac7339;p=deliverable%2Fbinutils-gdb.git diff --git a/gdbserver/linux-s390-low.cc b/gdbserver/linux-s390-low.cc index be99c26c58..f095181a23 100644 --- a/gdbserver/linux-s390-low.cc +++ b/gdbserver/linux-s390-low.cc @@ -63,12 +63,30 @@ public: bool supports_z_point_type (char z_type) override; + bool supports_tracepoints () override; + + bool supports_fast_tracepoints () override; + + int install_fast_tracepoint_jump_pad + (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, + CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, + CORE_ADDR *trampoline, ULONGEST *trampoline_size, + unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, + CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, + char *err) override; + + int get_min_fast_tracepoint_insn_len () 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; + struct emit_ops *emit_ops () override; + + int get_ipa_tdesc_idx () override; + protected: void low_arch_setup () override; @@ -86,6 +104,8 @@ protected: int low_decr_pc_after_break () override; bool low_breakpoint_at (CORE_ADDR pc) override; + + int low_get_thread_area (int lwpid, CORE_ADDR *addrp) override; }; /* The singleton target ops object. */ @@ -705,14 +725,6 @@ s390_target::supports_z_point_type (char z_type) } } -/* Support for hardware single step. */ - -static int -s390_supports_hardware_single_step (void) -{ - return 1; -} - static struct usrregs_info s390_usrregs_info = { s390_num_regs, @@ -770,18 +782,18 @@ s390_target::get_regs_info () return &myregs_info; } -/* The "supports_tracepoints" linux_target_ops method. */ +/* The "supports_tracepoints" target ops method. */ -static int -s390_supports_tracepoints (void) +bool +s390_target::supports_tracepoints () { - return 1; + return true; } -/* Implementation of linux_target_ops method "get_thread_area". */ +/* Implementation of linux target ops method "low_get_thread_area". */ -static int -s390_get_thread_area (int lwpid, CORE_ADDR *addrp) +int +s390_target::low_get_thread_area (int lwpid, CORE_ADDR *addrp) { CORE_ADDR res = ptrace (PTRACE_PEEKUSER, lwpid, (long) PT_ACR0, (long) 0); #ifdef __s390x__ @@ -1251,23 +1263,23 @@ s390_relocate_instruction (CORE_ADDR *to, CORE_ADDR oldloc, int is_64) return 0; } -/* Implementation of linux_target_ops method +bool +s390_target::supports_fast_tracepoints () +{ + return true; +} + +/* Implementation of target ops method "install_fast_tracepoint_jump_pad". */ -static int -s390_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint, - CORE_ADDR tpaddr, - CORE_ADDR collector, - CORE_ADDR lockaddr, - ULONGEST orig_size, - CORE_ADDR *jump_entry, - CORE_ADDR *trampoline, - ULONGEST *trampoline_size, - unsigned char *jjump_pad_insn, - ULONGEST *jjump_pad_insn_size, - CORE_ADDR *adjusted_insn_addr, - CORE_ADDR *adjusted_insn_addr_end, - char *err) +int +s390_target::install_fast_tracepoint_jump_pad + (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector, + CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry, + CORE_ADDR *trampoline, ULONGEST *trampoline_size, + unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size, + CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end, + char *err) { int i; int64_t loffset; @@ -1421,11 +1433,11 @@ s390_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint, return 0; } -/* Implementation of linux_target_ops method +/* Implementation of target ops method "get_min_fast_tracepoint_insn_len". */ -static int -s390_get_min_fast_tracepoint_insn_len (void) +int +s390_target::get_min_fast_tracepoint_insn_len () { /* We only support using 6-byte jumps to reach the tracepoint code. If the tracepoint buffer were allocated sufficiently close (64kiB) @@ -1435,10 +1447,10 @@ s390_get_min_fast_tracepoint_insn_len (void) return 6; } -/* Implementation of linux_target_ops method "get_ipa_tdesc_idx". */ +/* Implementation of target ops method "get_ipa_tdesc_idx". */ -static int -s390_get_ipa_tdesc_idx (void) +int +s390_target::get_ipa_tdesc_idx () { struct regcache *regcache = get_thread_regcache (current_thread, 0); const struct target_desc *tdesc = regcache->tdesc; @@ -2829,10 +2841,10 @@ static struct emit_ops s390x_emit_ops = }; #endif -/* The "emit_ops" linux_target_ops method. */ +/* The "emit_ops" target ops method. */ -static struct emit_ops * -s390_emit_ops (void) +emit_ops * +s390_target::emit_ops () { #ifdef __s390x__ struct regcache *regcache = get_thread_regcache (current_thread, 0); @@ -2844,20 +2856,6 @@ s390_emit_ops (void) return &s390_emit_ops_impl; } -struct linux_target_ops the_low_target = { - NULL, /* prepare_to_resume */ - NULL, /* process_qsupported */ - s390_supports_tracepoints, - s390_get_thread_area, - s390_install_fast_tracepoint_jump_pad, - s390_emit_ops, - s390_get_min_fast_tracepoint_insn_len, - NULL, /* supports_range_stepping */ - s390_supports_hardware_single_step, - NULL, /* get_syscall_trapinfo */ - s390_get_ipa_tdesc_idx, -}; - /* The linux target ops object. */ linux_process_target *the_linux_target = &the_s390_target;