From: Justin Wind <justin.wind@gmail.com>
Date: Thu, 19 Apr 2012 22:02:34 +0000 (-0700)
Subject: added user data to event callbacks
X-Git-Url: https://git.squeep.com/?a=commitdiff_plain;h=9cf5993655d58da3c9f508ede3ac43a29e6cc6b5;p=dcpu16

added user data to event callbacks

watchpoint callbacks now include a pointer to user-specified data
---

diff --git a/dcpu16.c b/dcpu16.c
index 5b48258..b88cf05 100644
--- a/dcpu16.c
+++ b/dcpu16.c
@@ -93,7 +93,7 @@ void acct_event_(struct dcpu16 *vm, dcpu16_acct_event_ ev, DCPU16_WORD addr) {
 
     for (i = 0; i < vm->cb_table_entries_; i++) {
         if ( (cb[i].mask & ev) )
-            cb[i].fn(vm, ev, addr);
+            cb[i].fn(vm, ev, addr, cb[i].data);
     }
 }
 
@@ -763,11 +763,12 @@ void dcpu16_dump_ram(struct dcpu16 *d, DCPU16_WORD start, DCPU16_WORD end) {
  *  Register callback fn to be triggered whenever event matching any events
  *  in bitwise mask occur.
  */
-int dcpu16_acct_add(struct dcpu16 *vm, dcpu16_acct_event_ mask, void (*fn)(struct dcpu16 *, dcpu16_acct_event_, DCPU16_WORD)) {
+int dcpu16_acct_add(struct dcpu16 *vm, dcpu16_acct_event_ mask, void (*fn)(struct dcpu16 *, dcpu16_acct_event_, DCPU16_WORD, void *), void *data) {
     struct dcpu16_acct_cb cb;
 
     cb.mask = mask;
     cb.fn = fn;
+    cb.data = data;
 
     if (vm->cb_table_entries_ == vm->cb_table_allocated_) {
         size_t new_entries = vm->cb_table_allocated_ + 32;
diff --git a/dcpu16.h b/dcpu16.h
index 9b38093..b1b563d 100644
--- a/dcpu16.h
+++ b/dcpu16.h
@@ -28,7 +28,8 @@ typedef unsigned int dcpu16_acct_event_;
 #define DCPU16_ACCT_EV_WRITE    (1<<2)
 #define DCPU16_ACCT_EV_NOP      (1<<3)
 struct dcpu16_acct_cb {
-    void (*fn)(struct dcpu16 *, dcpu16_acct_event_ e, DCPU16_WORD addr);
+    void (*fn)(struct dcpu16 *, dcpu16_acct_event_ e, DCPU16_WORD addr, void *);
+    void *data;
     dcpu16_acct_event_ mask;
 };
 
@@ -48,7 +49,7 @@ void dcpu16_dump_ram(struct dcpu16 *, DCPU16_WORD, DCPU16_WORD);
 DCPU16_WORD dcpu16_disassemble_print(struct dcpu16 *, DCPU16_WORD);
 
 /* register a callback for an accounting event */
-int dcpu16_acct_add(struct dcpu16 *, dcpu16_acct_event_ mask, void (*fn)(struct dcpu16 *, dcpu16_acct_event_, DCPU16_WORD));
+int dcpu16_acct_add(struct dcpu16 *, dcpu16_acct_event_ mask, void (*fn)(struct dcpu16 *, dcpu16_acct_event_, DCPU16_WORD, void *), void *data);
 
 /* execute the next instruction */
 void dcpu16_step(struct dcpu16 *);