diff options
| -rw-r--r-- | bird-gdb.py | 71 |
1 files changed, 70 insertions, 1 deletions
diff --git a/bird-gdb.py b/bird-gdb.py index e91a633f..a85ef8c6 100644 --- a/bird-gdb.py +++ b/bird-gdb.py @@ -59,6 +59,19 @@ class BIRDFValPrinter(BIRDPrinter): def display_hint(self): return "map" +class BIRDFValStackPrinter(BIRDPrinter): + "Print BIRD's struct f_val_stack" + typeCode = gdb.TYPE_CODE_STRUCT + typeTag = "f_val_stack" + + def to_string(self): + cnt = self.val['cnt'] + return ("Value stack (%(cnt)d):\n\t" % { "cnt": cnt }) + \ + "\n\t".join([ (".val[%(n) 3d] = " % { "n": n}) + str(self.val['val'][n]) for n in range(cnt-1, -1, -1) ]) + + def display_hint(self): + return "map" + class BIRDFInstPrinter(BIRDPrinter): "Print BIRD's struct f_inst" typeCode = gdb.TYPE_CODE_STRUCT @@ -68,16 +81,72 @@ class BIRDFInstPrinter(BIRDPrinter): code = self.val['fi_code'] if str(code) == "FI_NOP": return str(code) + ": " + str(self.val.cast(gdb.lookup_type("const char [%(siz)d]" % { "siz": self.val.type.sizeof }))) - return str(code) + ": " + str(self.val['i_' + str(code)]) + return "%(code)s:\t%(lineno) 6dL\t%(size)6dS\tnext = %(next)s: .i_%(code)s = %(union)s" % { + "code": str(code), + "lineno": self.val['lineno'], + "size": self.val['size'], + "next": str(self.val['next']), + "union": str(self.val['i_' + str(code)]) + } # def children(self): # children iterator def display_hint(self): return "map" +class BIRDFLineItemPrinter(BIRDPrinter): + "Print BIRD's struct f_line_item" + typeCode = gdb.TYPE_CODE_STRUCT + typeTag = "f_line_item" + + def to_string(self): + code = self.val['fi_code'] + if str(code) == "FI_NOP": + return str(code) + ": " + str(self.val.cast(gdb.lookup_type("const char [%(siz)d]" % { "siz": self.val.type.sizeof }))) + return "%(code)s:\t%(lineno) 6dL\t%(flags)2dF: .i_%(code)s = %(union)s" % { + "code": str(code), + "lineno": self.val['lineno'], + "flags": self.val['flags'], + "union": str(self.val['i_' + str(code)]) + } + +class BIRDFLinePrinter(BIRDPrinter): + "Print BIRD's struct f_line" + typeCode = gdb.TYPE_CODE_STRUCT + typeTag = "f_line" + + def to_string(self): + cnt = self.val['len'] + return ("FLine (%(cnt)d, args=%(args)d): " % { "cnt": cnt, "args" : self.val['args'] } + \ + ", ".join([ + ".items[%(n) 3d] = %(code)s" % { + "n": n, + "code": str(self.val['items'][n]['fi_code']), + } if n % 8 == 0 else str(self.val['items'][n]['fi_code']) for n in range(cnt)])) + + +class BIRDFExecStackPrinter(BIRDPrinter): + "Print BIRD's struct f_exec_stack" + typeCode = gdb.TYPE_CODE_STRUCT + typeTag = "f_exec_stack" + + def to_string(self): + cnt = self.val['cnt'] + return ("Exec stack (%(cnt)d):\n\t" % { "cnt": cnt }) + \ + "\n\t".join([ ".item[%(n) 3d] = %(retflag)d V%(ventry) 3d P%(pos) 4d %(line)s" % { + "retflag": self.val['item'][n]['emask'], + "ventry": self.val['item'][n]['ventry'], + "pos": self.val['item'][n]['pos'], + "line": str(self.val['item'][n]['line'].dereference()), + "n": n + } for n in range(cnt-1, -1, -1) ]) def register_printers(objfile): objfile.pretty_printers.append(BIRDFInstPrinter.lookup) objfile.pretty_printers.append(BIRDFValPrinter.lookup) + objfile.pretty_printers.append(BIRDFValStackPrinter.lookup) + objfile.pretty_printers.append(BIRDFLineItemPrinter.lookup) + objfile.pretty_printers.append(BIRDFLinePrinter.lookup) + objfile.pretty_printers.append(BIRDFExecStackPrinter.lookup) register_printers(gdb.current_objfile()) |