freemyipod r474 - Code Review

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Repository:freemyipod
Revision:r473‎ | r474 | r475 >
Date:03:47, 22 January 2011
Author:farthen
Status:new
Tags:
Comment:
emcore.py: Expose malloc(), memalign(), realloc(), reownalloc(), free() and free_all() to the end user
Modified paths:
  • /emcore/trunk/tools/emcore.py (modified) (history)

Diff [purge]

Index: emcore/trunk/tools/emcore.py
@@ -1159,6 +1159,60 @@
11601160 self.logger.info(entry.name.ljust(50) + " - " + size + "\n")
11611161 except: break
11621162 self.emcore.dir_close(handle)
 1163+
 1164+ @command
 1165+ def malloc(self, size):
 1166+ """ Allocates <size> bytes and returns a pointer to the allocated memory """
 1167+ size = self._hexint(size)
 1168+ self.logger.info("Allocating %d bytes of memory\n" % size)
 1169+ addr = self.emcore.malloc(size)
 1170+ self.logger.info("Allocated %d bytes of memory at 0x%x\n" % (size, addr))
 1171+
 1172+ @command
 1173+ def memalign(self, align, size):
 1174+ """ Allocates <size> bytes aligned to <align> and returns a pointer to the allocated memory """
 1175+ align = self._hexint(align)
 1176+ size = self._hexint(size)
 1177+ self.logger.info("Allocating %d bytes of memory aligned to 0x%x\n" % (size, align))
 1178+ addr = self.emcore.memalign(align, size)
 1179+ self.logger.info("Allocated %d bytes of memory at 0x%x\n" % (size, addr))
 1180+
 1181+ @command
 1182+ def realloc(self, ptr, size):
 1183+ """ The size of the memory block pointed to by <ptr> is changed to the <size> bytes,
 1184+ expanding or reducing the amount of memory available in the block.
 1185+ Returns a pointer to the reallocated memory.
 1186+ """
 1187+ ptr = self._hexint(ptr)
 1188+ size = self._hexint(size)
 1189+ self.logger.info("Reallocating 0x%x to have the new size %d\n" % (ptr, size))
 1190+ addr = self.emcore.realloc(ptr, size)
 1191+ self.logger.info("Reallocated memory at 0x%x to 0x%x with the new size %d\n" % (ptr, addr, size))
 1192+
 1193+ @command
 1194+ def reownalloc(self, ptr, owner):
 1195+ """ Changes the owner of the memory allocation <ptr> to the thread struct at addr <owner> """
 1196+ ptr = self._hexint(ptr)
 1197+ owner = self._hexint(owner)
 1198+ self.logger.info("Changing owner of the memory region 0x%x to 0x%x" % (ptr, owner))
 1199+ self.emcore.reownalloc(ptr, owner)
 1200+ self.logger.info("Successfully changed owner of 0x%x to 0x%x" % (ptr, owner))
 1201+
 1202+ @command
 1203+ def free(self, ptr):
 1204+ """ Frees the memory space pointed to by 'ptr' """
 1205+ ptr = self._hexint(ptr)
 1206+ self.logger.info("Freeing the memory region at 0x%x\n" % ptr)
 1207+ self.emcore.free(ptr)
 1208+ self.logger.info("Successfully freed the memory region at 0x%x\n" % ptr)
 1209+
 1210+ @command
 1211+ def free_all(self):
 1212+ """ Frees all memory allocations created by the monitor thread """
 1213+ self.logger.info("Freeing all memory allocations created by the monitor thread\n")
 1214+ self.emcore.free_all()
 1215+ self.logger.info("Successfully freed all memory allocations created by the monitor thread\n")
 1216+
11631217
11641218 if __name__ == "__main__":
11651219 if len(sys.argv) < 2: