Mercurial > lcfOS

comparison python/ppci/target/arm/frame.py @ 354:5477e499b039

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added some sort of string functionality
author Windel Bouwman
date Thu, 13 Mar 2014 18:59:06 +0100
parents b8ad45b3a573
children c49459768aaa
comparison
equal deleted inserted replaced
353:b8ad45b3a573 354:5477e499b039
50 self.locVars[lvar] = self.stacksize 50 self.locVars[lvar] = self.stacksize
51 self.stacksize = self.stacksize + 4 51 self.stacksize = self.stacksize + 4
52 return self.locVars[lvar] 52 return self.locVars[lvar]
53 53
54 def add_constant(self, value): 54 def add_constant(self, value):
55 assert type(value) in [int, bytes]
55 lab_name = '{}_literal_{}'.format(self.name, len(self.constants)) 56 lab_name = '{}_literal_{}'.format(self.name, len(self.constants))
56 self.constants.append((lab_name, value)) 57 self.constants.append((lab_name, value))
57 return lab_name 58 return lab_name
58 59
59 def prologue(self): 60 def prologue(self):
81 82
82 # Add constant literals: 83 # Add constant literals:
83 for ln, v in self.constants: 84 for ln, v in self.constants:
84 if isinstance(v, int): 85 if isinstance(v, int):
85 post.extend([Label(ln), Dcd(v)]) 86 post.extend([Label(ln), Dcd(v)])
86 elif isinstance(v, str): 87 elif isinstance(v, bytes):
87 post.extend([Label(ln), Dcd(len(v))]) 88 post.append(Label(ln))
88 for c in v: 89 for c in v:
89 post.append(Db(ord(c))) 90 post.append(Db(c))
90 post.append(Alignment(4)) # Align at 4 bytes 91 post.append(Alignment(4)) # Align at 4 bytes
91 else: 92 else:
92 raise Exception() 93 raise Exception('Constant of type {} not supported'.format(v))
93 return post 94 return post
94 95
95 def EntryExitGlue3(self): 96 def EntryExitGlue3(self):
96 """ 97 """
97 Add code for the prologue and the epilogue. Add a label, the 98 Add code for the prologue and the epilogue. Add a label, the