diff options
Diffstat (limited to 'gdbserver/target.h')
| -rw-r--r-- | gdbserver/target.h | 108 |
1 files changed, 53 insertions, 55 deletions
diff --git a/gdbserver/target.h b/gdbserver/target.h index c56267f..21f22a4 100644 --- a/gdbserver/target.h +++ b/gdbserver/target.h @@ -70,34 +70,6 @@ class process_target; shared code. */ struct process_stratum_target { - /* Install a fast tracepoint jump pad. TPOINT is the address of the - tracepoint internal object as used by the IPA agent. TPADDR is - the address of tracepoint. COLLECTOR is address of the function - the jump pad redirects to. LOCKADDR is the address of the jump - pad lock object. ORIG_SIZE is the size in bytes of the - instruction at TPADDR. JUMP_ENTRY points to the address of the - jump pad entry, and on return holds the address past the end of - the created jump pad. If a trampoline is created by the function, - then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of - the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a - buffer containing a copy of the instruction at TPADDR. - ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that - return the address range where the instruction at TPADDR was relocated - to. If an error occurs, the ERR may be used to pass on an error - message. */ - 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); - /* Return the bytecode operations vector for the current inferior. Returns NULL if bytecode compilation is not supported. */ struct emit_ops *(*emit_ops) (void); @@ -105,10 +77,6 @@ struct process_stratum_target /* Returns true if the target supports disabling randomization. */ int (*supports_disable_randomization) (void); - /* Return the minimum length of an instruction that can be safely overwritten - for use as a fast tracepoint. */ - int (*get_min_fast_tracepoint_insn_len) (void); - /* Read solib info on SVR4 platforms. */ int (*qxfer_libraries_svr4) (const char *annex, unsigned char *readbuf, unsigned const char *writebuf, @@ -494,6 +462,37 @@ public: /* Stabilize all threads. That is, force them out of jump pads. */ virtual void stabilize_threads (); + + /* Return true if the install_fast_tracepoint_jump_pad op is + supported. */ + virtual bool supports_fast_tracepoints (); + + /* Install a fast tracepoint jump pad. TPOINT is the address of the + tracepoint internal object as used by the IPA agent. TPADDR is + the address of tracepoint. COLLECTOR is address of the function + the jump pad redirects to. LOCKADDR is the address of the jump + pad lock object. ORIG_SIZE is the size in bytes of the + instruction at TPADDR. JUMP_ENTRY points to the address of the + jump pad entry, and on return holds the address past the end of + the created jump pad. If a trampoline is created by the function, + then TRAMPOLINE and TRAMPOLINE_SIZE return the address and size of + the trampoline, else they remain unchanged. JJUMP_PAD_INSN is a + buffer containing a copy of the instruction at TPADDR. + ADJUST_INSN_ADDR and ADJUST_INSN_ADDR_END are output parameters that + return the address range where the instruction at TPADDR was relocated + to. If an error occurs, the ERR may be used to pass on an error + message. */ + virtual 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); + + /* Return the minimum length of an instruction that can be safely + overwritten for use as a fast tracepoint. */ + virtual int get_min_fast_tracepoint_insn_len (); }; extern process_stratum_target *the_target; @@ -559,11 +558,10 @@ int kill_inferior (process_info *proc); the_target->pt->supports_tracepoints () #define target_supports_fast_tracepoints() \ - (the_target->install_fast_tracepoint_jump_pad != NULL) + the_target->pt->supports_fast_tracepoints () #define target_get_min_fast_tracepoint_insn_len() \ - (the_target->get_min_fast_tracepoint_insn_len \ - ? (*the_target->get_min_fast_tracepoint_insn_len) () : 0) + the_target->pt->get_min_fast_tracepoint_insn_len () #define target_thread_stopped(thread) \ the_target->pt->thread_stopped (thread) @@ -577,26 +575,26 @@ int kill_inferior (process_info *proc); #define target_stabilize_threads() \ the_target->pt->stabilize_threads () -#define install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ - collector, lockaddr, \ - orig_size, \ - jump_entry, \ - trampoline, trampoline_size, \ - jjump_pad_insn, \ - jjump_pad_insn_size, \ - adjusted_insn_addr, \ - adjusted_insn_addr_end, \ - err) \ - (*the_target->install_fast_tracepoint_jump_pad) (tpoint, tpaddr, \ - collector,lockaddr, \ - orig_size, jump_entry, \ - trampoline, \ - trampoline_size, \ - jjump_pad_insn, \ - jjump_pad_insn_size, \ - adjusted_insn_addr, \ - adjusted_insn_addr_end, \ - err) +#define target_install_fast_tracepoint_jump_pad(tpoint, tpaddr, \ + collector, lockaddr, \ + orig_size, \ + jump_entry, \ + trampoline, trampoline_size, \ + jjump_pad_insn, \ + jjump_pad_insn_size, \ + adjusted_insn_addr, \ + adjusted_insn_addr_end, \ + err) \ + the_target->pt->install_fast_tracepoint_jump_pad (tpoint, tpaddr, \ + collector,lockaddr, \ + orig_size, jump_entry, \ + trampoline, \ + trampoline_size, \ + jjump_pad_insn, \ + jjump_pad_insn_size, \ + adjusted_insn_addr, \ + adjusted_insn_addr_end, \ + err) #define target_emit_ops() \ (the_target->emit_ops ? (*the_target->emit_ops) () : NULL) |