/* Internal interfaces for the GNU/Linux specific target code for gdbserver.
- Copyright (C) 2002-2015 Free Software Foundation, Inc.
+ Copyright (C) 2002-2017 Free Software Foundation, Inc.
This file is part of GDB.
/* Included for ptrace type definitions. */
#include "nat/linux-ptrace.h"
#include "target/waitstatus.h" /* For enum target_stop_reason. */
+#include "tracepoint.h"
#define PTRACE_XFER_TYPE long
const gdb_byte *(*sw_breakpoint_from_kind) (int kind, int *size);
/* Find the next possible PCs after the current instruction executes. */
- VEC (CORE_ADDR) *(*get_next_pcs) (CORE_ADDR pc, struct regcache *regcache);
+ std::vector<CORE_ADDR> (*get_next_pcs) (struct regcache *regcache);
int decr_pc_after_break;
int (*breakpoint_at) (CORE_ADDR pc);
Returns true if any conversion was done; false otherwise.
If DIRECTION is 1, then copy from INF to NATIVE.
If DIRECTION is 0, copy from NATIVE to INF. */
- int (*siginfo_fixup) (siginfo_t *native, void *inf, int direction);
+ int (*siginfo_fixup) (siginfo_t *native, gdb_byte *inf, int direction);
/* Hook to call when a new process is created or attached to.
If extra per-process architecture-specific data is needed,
allocate it here. */
void (*new_thread) (struct lwp_info *);
+ /* Hook to call when a thread is being deleted. If extra per-thread
+ architecture-specific data is needed, delete it here. */
+ void (*delete_thread) (struct arch_lwp_info *);
+
/* Hook to call, if any, when a new fork is attached. */
void (*new_fork) (struct process_info *parent, struct process_info *child);
/* See target.h. */
int (*supports_hardware_single_step) (void);
+
+ /* Fill *SYSNO with the syscall nr trapped. Only to be called when
+ inferior is stopped due to SYSCALL_SIGTRAP. */
+ void (*get_syscall_trapinfo) (struct regcache *regcache, int *sysno);
+
+ /* See target.h. */
+ int (*get_ipa_tdesc_idx) (void);
};
extern struct linux_target_ops the_low_target;
-#define get_thread_lwp(thr) ((struct lwp_info *) (inferior_target_data (thr)))
+#define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr)))
#define get_lwp_thread(lwp) ((lwp)->thread)
/* This struct is recorded in the target_data field of struct thread_info.
event already received in a wait()). */
int stopped;
+ /* Signal whether we are in a SYSCALL_ENTRY or
+ in a SYSCALL_RETURN event.
+ Values:
+ - TARGET_WAITKIND_SYSCALL_ENTRY
+ - TARGET_WAITKIND_SYSCALL_RETURN */
+ enum target_waitkind syscall_state;
+
/* When stopped is set, the last wait status recorded for this lwp. */
int last_status;
information or exit status until it can be reported to GDB. */
struct target_waitstatus waitstatus;
+ /* A pointer to the fork child/parent relative. Valid only while
+ the parent fork event is not reported to higher layers. Used to
+ avoid wildcard vCont actions resuming a fork child before GDB is
+ notified about the parent's fork event. */
+ struct lwp_info *fork_relative;
+
/* When stopped is set, this is where the lwp last stopped, with
decr_pc_after_break already accounted for. If the LWP is
running, this is the address at which the lwp was resumed. */
and then processed and cleared in linux_resume_one_lwp. */
struct thread_resume *resume;
- /* True if it is known that this lwp is presently collecting a fast
- tracepoint (it is in the jump pad or in some code that will
- return to the jump pad. Normally, we won't care about this, but
- we will if a signal arrives to this lwp while it is
- collecting. */
- int collecting_fast_tracepoint;
+ /* Information bout this lwp's fast tracepoint collection status (is it
+ currently stopped in the jump pad, and if so, before or at/after the
+ relocated instruction). Normally, we won't care about this, but we will
+ if a signal arrives to this lwp while it is collecting. */
+ fast_tpoint_collect_result collecting_fast_tracepoint;
/* If this is non-zero, it points to a chain of signals which need
to be reported to GDB. These were deferred because the thread
a exit-jump-pad-quickly breakpoint. This is it. */
struct breakpoint *exit_jump_pad_bkpt;
- /* True if the LWP was seen stop at an internal breakpoint and needs
- stepping over later when it is resumed. */
- int need_step_over;
-
#ifdef USE_THREAD_DB
int thread_known;
/* The thread handle, used for e.g. TLS access. Only valid if
THREAD_KNOWN is set. */
td_thrhandle_t th;
+
+ /* The pthread_t handle. */
+ thread_t thread_handle;
#endif
/* Arch-specific additions. */
void initialize_low_arch (void);
+void linux_set_pc_32bit (struct regcache *regcache, CORE_ADDR pc);
+CORE_ADDR linux_get_pc_32bit (struct regcache *regcache);
+
+void linux_set_pc_64bit (struct regcache *regcache, CORE_ADDR pc);
+CORE_ADDR linux_get_pc_64bit (struct regcache *regcache);
+
/* From thread-db.c */
int thread_db_init (void);
void thread_db_detach (struct process_info *);
CORE_ADDR load_module, CORE_ADDR *address);
int thread_db_look_up_one_symbol (const char *name, CORE_ADDR *addrp);
+/* Called from linux-low.c when a clone event is detected. Upon entry,
+ both the clone and the parent should be stopped. This function does
+ whatever is required have the clone under thread_db's control. */
+
+void thread_db_notice_clone (struct thread_info *parent_thr, ptid_t child_ptid);
+
+bool thread_db_thread_handle (ptid_t ptid, gdb_byte **handle, int *handle_len);
+
extern int have_ptrace_getregset;
projects / deliverable / binutils-gdb.git / blobdiff