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);
/* 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,
/* 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;
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)
#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)
projects / deliverable / binutils-gdb.git / blobdiff