| 4 |
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* Derived from Bruno Haible's work on his SIGSEGV library for clisp |
| 5 |
|
* <http://clisp.sourceforge.net/> |
| 6 |
|
* |
| 7 |
< |
* Basilisk II (C) 1997-2001 Christian Bauer |
| 7 |
> |
* Basilisk II (C) 1997-2005 Christian Bauer |
| 8 |
|
* |
| 9 |
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* This program is free software; you can redistribute it and/or modify |
| 10 |
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* it under the terms of the GNU General Public License as published by |
| 27 |
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// Address type |
| 28 |
|
typedef char * sigsegv_address_t; |
| 29 |
|
|
| 30 |
+ |
// SIGSEGV handler return state |
| 31 |
+ |
enum sigsegv_return_t { |
| 32 |
+ |
SIGSEGV_RETURN_SUCCESS, |
| 33 |
+ |
SIGSEGV_RETURN_FAILURE, |
| 34 |
+ |
SIGSEGV_RETURN_SKIP_INSTRUCTION, |
| 35 |
+ |
}; |
| 36 |
+ |
|
| 37 |
|
// Type of a SIGSEGV handler. Returns boolean expressing successful operation |
| 38 |
< |
typedef bool (*sigsegv_handler_t)(sigsegv_address_t fault_address, sigsegv_address_t instruction_address); |
| 38 |
> |
typedef sigsegv_return_t (*sigsegv_fault_handler_t)(sigsegv_address_t fault_address, sigsegv_address_t instruction_address); |
| 39 |
> |
|
| 40 |
> |
// Type of a SIGSEGV state dump function |
| 41 |
> |
typedef void (*sigsegv_state_dumper_t)(sigsegv_address_t fault_address, sigsegv_address_t instruction_address); |
| 42 |
|
|
| 43 |
|
// Install a SIGSEGV handler. Returns boolean expressing success |
| 44 |
< |
extern bool sigsegv_install_handler(sigsegv_handler_t handler); |
| 44 |
> |
extern bool sigsegv_install_handler(sigsegv_fault_handler_t handler); |
| 45 |
|
|
| 46 |
|
// Remove the user SIGSEGV handler, revert to default behavior |
| 47 |
|
extern void sigsegv_uninstall_handler(void); |
| 48 |
|
|
| 49 |
+ |
// Set callback function when we cannot handle the fault |
| 50 |
+ |
extern void sigsegv_set_dump_state(sigsegv_state_dumper_t handler); |
| 51 |
+ |
|
| 52 |
|
// Define an address that is bound to be invalid for a program counter |
| 53 |
|
const sigsegv_address_t SIGSEGV_INVALID_PC = (sigsegv_address_t)(-1); |
| 54 |
|
|
