diff options
Diffstat (limited to 'libebl/ebl-hooks.h')
| -rw-r--r-- | libebl/ebl-hooks.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libebl/ebl-hooks.h b/libebl/ebl-hooks.h index f721bc49..22438953 100644 --- a/libebl/ebl-hooks.h +++ b/libebl/ebl-hooks.h @@ -166,5 +166,22 @@ bool EBLHOOK(set_initial_registers_tid) (pid_t tid, Dwarf_Frame->REGS indexing. */ bool EBLHOOK(dwarf_to_regno) (Ebl *ebl, unsigned *regno); +/* Optionally modify *PC as fetched from inferior data into valid PC + instruction pointer. */ +void EBLHOOK(normalize_pc) (Ebl *ebl, Dwarf_Addr *pc); + +/* Get previous frame state for an existing frame state. Method is called only + if unwinder could not find CFI for current PC. PC is for the + existing frame. SETFUNC sets register in the previous frame. GETFUNC gets + register from the existing frame. Note that GETFUNC vs. SETFUNC act on + a disjunct set of registers. READFUNC reads memory. ARG has to be passed + for SETFUNC, GETFUNC and READFUNC. *SIGNAL_FRAMEP is initialized to false, + it can be set to true if existing frame is a signal frame. SIGNAL_FRAMEP is + never NULL. */ +bool EBLHOOK(unwind) (Ebl *ebl, Dwarf_Addr pc, ebl_tid_registers_t *setfunc, + ebl_tid_registers_get_t *getfunc, + ebl_pid_memory_read_t *readfunc, void *arg, + bool *signal_framep); + /* Destructor for ELF backend handle. */ void EBLHOOK(destr) (struct ebl *); |