diff options
Diffstat (limited to 'gdb/gdbarch.h')
| -rw-r--r-- | gdb/gdbarch.h | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 2b6876a..002628d 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -58,6 +58,7 @@ struct mem_range; struct syscalls_info; struct thread_info; struct ui_out; +struct inferior; #include "regcache.h" @@ -1071,17 +1072,36 @@ typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, stru extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_copy_insn_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs); extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup); -/* Return the address of an appropriate place to put displaced - instructions while we step over them. There need only be one such - place, since we're only stepping one thread over a breakpoint at a - time. +/* Prepare THREAD for it to displaced step the instruction at its current PC. - For a general explanation of displaced stepping and how GDB uses it, - see the comments in infrun.c. */ + Throw an exception if any unexpected error happens. */ + +extern bool gdbarch_displaced_step_prepare_p (struct gdbarch *gdbarch); + +typedef displaced_step_prepare_status (gdbarch_displaced_step_prepare_ftype) (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc); +extern displaced_step_prepare_status gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc); +extern void set_gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, gdbarch_displaced_step_prepare_ftype *displaced_step_prepare); + +/* Clean up after a displaced step of THREAD. */ + +typedef displaced_step_finish_status (gdbarch_displaced_step_finish_ftype) (struct gdbarch *gdbarch, thread_info *thread, gdb_signal sig); +extern displaced_step_finish_status gdbarch_displaced_step_finish (struct gdbarch *gdbarch, thread_info *thread, gdb_signal sig); +extern void set_gdbarch_displaced_step_finish (struct gdbarch *gdbarch, gdbarch_displaced_step_finish_ftype *displaced_step_finish); + +/* Return the closure associated to the displaced step buffer that is at ADDR. */ + +extern bool gdbarch_displaced_step_copy_insn_closure_by_addr_p (struct gdbarch *gdbarch); + +typedef const displaced_step_copy_insn_closure * (gdbarch_displaced_step_copy_insn_closure_by_addr_ftype) (inferior *inf, CORE_ADDR addr); +extern const displaced_step_copy_insn_closure * gdbarch_displaced_step_copy_insn_closure_by_addr (struct gdbarch *gdbarch, inferior *inf, CORE_ADDR addr); +extern void set_gdbarch_displaced_step_copy_insn_closure_by_addr (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_closure_by_addr_ftype *displaced_step_copy_insn_closure_by_addr); + +/* PARENT_INF has forked and CHILD_PTID is the ptid of the child. Restore the + contents of all displaced step buffers in the child's address space. */ -typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch); -extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch); -extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location); +typedef void (gdbarch_displaced_step_restore_all_in_ptid_ftype) (inferior *parent_inf, ptid_t child_ptid); +extern void gdbarch_displaced_step_restore_all_in_ptid (struct gdbarch *gdbarch, inferior *parent_inf, ptid_t child_ptid); +extern void set_gdbarch_displaced_step_restore_all_in_ptid (struct gdbarch *gdbarch, gdbarch_displaced_step_restore_all_in_ptid_ftype *displaced_step_restore_all_in_ptid); /* Relocate an instruction to execute at a different address. OLDLOC is the address in the inferior memory where the instruction to |