Class: Ragweed::Wraposx::ThreadContext::State64

Inherits:
FFI::Struct
  • Object
show all
Includes:
FFIStructInclude
Defined in:
lib/ragweed/wraposx/thread_context.rb

Overview

_STRUCT_X86_THREAD_STATE64 { __uint64_t rax; __uint64_t rbx; __uint64_t rcx; __uint64_t rdx; __uint64_t rdi; __uint64_t rsi; __uint64_t rbp; __uint64_t rsp; __uint64_t r8; __uint64_t r9; __uint64_t r10; __uint64_t r11; __uint64_t r12; __uint64_t r13; __uint64_t r14; __uint64_t r15; __uint64_t rip; __uint64_t rflags; __uint64_t cs; __uint64_t fs; __uint64_t gs; };

Defined Under Namespace

Modules: Flags

Constant Summary collapse

FLAVOR = 
4

Instance Method Summary collapse

Methods included from FFIStructInclude

#method_missing, #methods, #respond_to?

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Ragweed::FFIStructInclude

Instance Method Details

#dump(&block) ⇒ Object 



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# File 'lib/ragweed/wraposx/thread_context.rb', line 238

def dump(&block)
  maybe_hex = lambda {|a| begin; "\n" + (" " * 9) + block.call(a, 16).hexdump(true)[10..-2]; rescue; ""; end }
  maybe_dis = lambda {|a| begin; "\n" + block.call(a, 16).distorm.map {|i| "         " + i.mnem}.join("\n"); rescue; ""; end }

  string =<<EOM
  -----------------------------------------------------------------------
  CONTEXT:
  RIP: #{self.rip.to_s(16).rjust(16, "0")} #{maybe_dis.call(self.rip)}

  RAX: #{self.rax.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rax)}
  RBX: #{self.rbx.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rbx)}
  RCX: #{self.rcx.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rcx)}
  RDX: #{self.rdx.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rdx)}
  RDI: #{self.rdi.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rdi)}
  RSI: #{self.rsi.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rsi)}
  RBP: #{self.rbp.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rbp)}
  RSP: #{self.rsp.to_s(16).rjust(16, "0")} #{maybe_hex.call(self.rsp)}
  RFL: #{(self.rflags & 0xffffffff).to_s(2).rjust(32, "0")} #{Flags.flag_dump(self.rflags & 0xffffffff)}
EOM
end

#single_step(v = true) ⇒ Object

sets/clears the TRAP flag



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# File 'lib/ragweed/wraposx/thread_context.rb', line 260

def single_step(v=true)
  if v
    @rflags |= Flags::TRAP
  else
    @rflags &= ~(Flags::TRAP)
  end
end