blob: 6cc14020dc8c1a875099caf3532f01c0f23919b2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
module RubyVM::MJIT
class JITState < Struct.new(
:iseq, # @param `RubyVM::MJIT::CPointer::Struct_rb_iseq_t`
:pc, # @param [Integer] The JIT target PC
:cfp, # @param `RubyVM::MJIT::CPointer::Struct_rb_control_frame_t` The JIT source CFP (before MJIT is called)
:block, # @param [RubyVM::MJIT::Block]
:side_exits, # @param [Hash{ Integer => Integer }] { PC => address }
)
def initialize(side_exits: {}, **) = super
def insn
Compiler.decode_insn(C.VALUE.new(pc).*)
end
def operand(index)
C.VALUE.new(pc)[index + 1]
end
def at_current_insn?
pc == cfp.pc.to_i
end
def peek_at_stack(depth_from_top)
raise 'not at current insn' unless at_current_insn?
offset = -(1 + depth_from_top)
# rb_mjit_branch_stub_hit updates SP, so you don't need to worry about sp_offset
value = (cfp.sp + offset).*
C.to_ruby(value)
end
def peek_at_self
C.to_ruby(cfp.self)
end
end
end
|
