diff options
Diffstat (limited to 'miasm2/arch/mips32/jit.py')
| -rw-r--r-- | miasm2/arch/mips32/jit.py | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/miasm2/arch/mips32/jit.py b/miasm2/arch/mips32/jit.py index 1d2ec483..16d88067 100644 --- a/miasm2/arch/mips32/jit.py +++ b/miasm2/arch/mips32/jit.py @@ -1,6 +1,6 @@ import logging -from miasm2.jitter.jitload import jitter +from miasm2.jitter.jitload import jitter, named_arguments from miasm2.core import asmblock from miasm2.core.utils import pck32, upck32 from miasm2.arch.mips32.sem import ir_mips32l, ir_mips32b @@ -104,6 +104,42 @@ class jitter_mips32l(jitter): jitter.init_run(self, *args, **kwargs) self.cpu.PC = self.pc + # calling conventions + + @named_arguments + def func_args_stdcall(self, n_args): + args = [self.get_arg_n_stdcall(i) for i in xrange(n_args)] + ret_ad = self.cpu.RA + return ret_ad, args + + def func_ret_stdcall(self, ret_addr, ret_value1=None, ret_value2=None): + self.pc = self.cpu.PC = ret_addr + if ret_value1 is not None: + self.cpu.V0 = ret_value1 + if ret_value2 is not None: + self.cpu.V1 = ret_value2 + return True + + def func_prepare_stdcall(self, ret_addr, *args): + for index in xrange(min(len(args), 4)): + setattr(self.cpu, 'A%d' % index, args[index]) + for index in xrange(4, len(args)): + self.vm.set_mem(self.cpu.SP + 4 * (index - 4), pck32(args[index])) + self.cpu.RA = ret_addr + + def get_arg_n_stdcall(self, index): + if index < 4: + arg = getattr(self.cpu, 'A%d' % index) + else: + arg = self.get_stack_arg(index-4) + return arg + + + func_args_systemv = func_args_stdcall + func_ret_systemv = func_ret_stdcall + func_prepare_systemv = func_prepare_stdcall + get_arg_n_systemv = get_arg_n_stdcall + class jitter_mips32b(jitter_mips32l): |