X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdbserver%2Flinux-ppc-low.cc;h=337d555aee724279b540c3a5ab85d4945da34176;hb=f2e1c129f8f0985ec80e6cf775cf3e4afbced6fa;hp=deb2ef64f1270e906b4dcbe68e323d140fc5b680;hpb=ac1bbaca10666fc85572a6deeaa6f1debcd4c129;p=deliverable%2Fbinutils-gdb.git diff --git a/gdbserver/linux-ppc-low.cc b/gdbserver/linux-ppc-low.cc index deb2ef64f1..337d555aee 100644 --- a/gdbserver/linux-ppc-low.cc +++ b/gdbserver/linux-ppc-low.cc @@ -56,6 +56,31 @@ public: bool supports_z_point_type (char z_type) 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; + + 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; + + struct emit_ops *emit_ops () override; + + int get_ipa_tdesc_idx () override; + protected: void low_arch_setup () override; @@ -77,6 +102,8 @@ protected: int low_remove_point (raw_bkpt_type type, CORE_ADDR addr, int size, raw_breakpoint *bp) override; + + int low_get_thread_area (int lwpid, CORE_ADDR *addrp) override; }; /* The singleton target ops object. */ @@ -208,8 +235,9 @@ ppc_target::low_cannot_fetch_register (int regno) return false; } -static void -ppc_collect_ptrace_register (struct regcache *regcache, int regno, char *buf) +void +ppc_target::low_collect_ptrace_register (regcache *regcache, int regno, + char *buf) { memset (buf, 0, sizeof (long)); @@ -234,9 +262,9 @@ ppc_collect_ptrace_register (struct regcache *regcache, int regno, char *buf) perror_with_name ("Unexpected byte order"); } -static void -ppc_supply_ptrace_register (struct regcache *regcache, - int regno, const char *buf) +void +ppc_target::low_supply_ptrace_register (regcache *regcache, int regno, + const char *buf) { if (__BYTE_ORDER == __LITTLE_ENDIAN) { @@ -401,14 +429,19 @@ static void ppc_fill_gregset (struct regcache *regcache, void *buf) { int i; + ppc_target *my_ppc_target = (ppc_target *) the_linux_target; + for (i = 0; i < 32; i++) - ppc_collect_ptrace_register (regcache, i, (char *) buf + ppc_regmap[i]); + my_ppc_target->low_collect_ptrace_register (regcache, i, + (char *) buf + ppc_regmap[i]); for (i = 64; i < 70; i++) - ppc_collect_ptrace_register (regcache, i, (char *) buf + ppc_regmap[i]); + my_ppc_target->low_collect_ptrace_register (regcache, i, + (char *) buf + ppc_regmap[i]); for (i = 71; i < 73; i++) - ppc_collect_ptrace_register (regcache, i, (char *) buf + ppc_regmap[i]); + my_ppc_target->low_collect_ptrace_register (regcache, i, + (char *) buf + ppc_regmap[i]); } /* Program Priority Register regset fill function. */ @@ -774,14 +807,6 @@ ppc_store_evrregset (struct regcache *regcache, const void *buf) supply_register_by_name (regcache, "spefscr", ®set->spefscr); } -/* Support for hardware single step. */ - -static int -ppc_supports_hardware_single_step (void) -{ - return 1; -} - static struct regset_info ppc_regsets[] = { /* List the extra register sets before GENERAL_REGS. That way we will fetch them every time, but still fall back to PTRACE_PEEKUSER for the @@ -1012,12 +1037,12 @@ ppc_target::low_arch_setup () } } -/* Implementation of linux_target_ops method "supports_tracepoints". */ +/* Implementation of target ops method "supports_tracepoints". */ -static int -ppc_supports_tracepoints (void) +bool +ppc_target::supports_tracepoints () { - return 1; + return true; } /* Get the thread area address. This is used to recognize which @@ -1025,8 +1050,8 @@ ppc_supports_tracepoints (void) don't read anything from the address, and treat it as opaque; it's the address itself that we assume is unique per-thread. */ -static int -ppc_get_thread_area (int lwpid, CORE_ADDR *addr) +int +ppc_target::low_get_thread_area (int lwpid, CORE_ADDR *addr) { struct lwp_info *lwp = find_lwp_pid (ptid_t (lwpid)); struct thread_info *thr = get_lwp_thread (lwp); @@ -1553,22 +1578,29 @@ ppc_relocate_instruction (CORE_ADDR *to, CORE_ADDR oldloc) *to += 4; } +bool +ppc_target::supports_fast_tracepoints () +{ + return true; +} + /* Implement install_fast_tracepoint_jump_pad of target_ops. See target.h for details. */ -static int -ppc_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 +ppc_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) { uint32_t buf[256]; uint32_t *p = buf; @@ -1762,8 +1794,8 @@ ppc_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint, CORE_ADDR tpaddr, /* Returns the minimum instruction length for installing a tracepoint. */ -static int -ppc_get_min_fast_tracepoint_insn_len (void) +int +ppc_target::get_min_fast_tracepoint_insn_len () { return 4; } @@ -3343,10 +3375,10 @@ static struct emit_ops ppc64v2_emit_ops_impl = #endif -/* Implementation of linux_target_ops method "emit_ops". */ +/* Implementation of target ops method "emit_ops". */ -static struct emit_ops * -ppc_emit_ops (void) +emit_ops * +ppc_target::emit_ops () { #ifdef __powerpc64__ struct regcache *regcache = get_thread_regcache (current_thread, 0); @@ -3362,10 +3394,10 @@ ppc_emit_ops (void) return &ppc_emit_ops_impl; } -/* Implementation of linux_target_ops method "get_ipa_tdesc_idx". */ +/* Implementation of target ops method "get_ipa_tdesc_idx". */ -static int -ppc_get_ipa_tdesc_idx (void) +int +ppc_target::get_ipa_tdesc_idx () { struct regcache *regcache = get_thread_regcache (current_thread, 0); const struct target_desc *tdesc = regcache->tdesc; @@ -3415,28 +3447,6 @@ ppc_get_ipa_tdesc_idx (void) return 0; } -struct linux_target_ops the_low_target = { - ppc_collect_ptrace_register, - ppc_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 */ - ppc_supports_tracepoints, - ppc_get_thread_area, - ppc_install_fast_tracepoint_jump_pad, - ppc_emit_ops, - ppc_get_min_fast_tracepoint_insn_len, - NULL, /* supports_range_stepping */ - ppc_supports_hardware_single_step, - NULL, /* get_syscall_trapinfo */ - ppc_get_ipa_tdesc_idx, -}; - /* The linux target ops object. */ linux_process_target *the_linux_target = &the_ppc_target;