diff options
Diffstat (limited to 'gdb/gdbarch.h')
| -rw-r--r-- | gdb/gdbarch.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index af060df..e0c933c 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -806,6 +806,24 @@ typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbar 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); +/* Relocate an instruction to execute at a different address. OLDLOC + is the address in the inferior memory where the instruction to + relocate is currently at. On input, TO points to the destination + where we want the instruction to be copied (and possibly adjusted) + to. On output, it points to one past the end of the resulting + instruction(s). The effect of executing the instruction at TO shall + be the same as if executing it at FROM. For example, call + instructions that implicitly push the return address on the stack + should be adjusted to return to the instruction after OLDLOC; + relative branches, and other PC-relative instructions need the + offset adjusted; etc. */ + +extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); + +typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); +extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); +extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); + /* Refresh overlay mapped state for section OSECT. */ extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); |