diff options
Diffstat (limited to 'zjit/src/codegen.rs')
| -rw-r--r-- | zjit/src/codegen.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/zjit/src/codegen.rs b/zjit/src/codegen.rs index 286f3f39b4..b1869f71c0 100644 --- a/zjit/src/codegen.rs +++ b/zjit/src/codegen.rs @@ -278,6 +278,7 @@ fn gen_insn(cb: &mut CodeBlock, jit: &mut JITState, asm: &mut Assembler, functio Insn::GetIvar { self_val, id, state: _ } => gen_getivar(asm, opnd!(self_val), *id), Insn::SetGlobal { id, val, state: _ } => gen_setglobal(asm, *id, opnd!(val)), Insn::GetGlobal { id, state: _ } => gen_getglobal(asm, *id), + Insn::GetConstantPath { ic, state } => gen_get_constant_path(asm, *ic, &function.frame_state(*state)), Insn::SetIvar { self_val, id, val, state: _ } => return gen_setivar(asm, opnd!(self_val), *id, opnd!(val)), Insn::SideExit { state } => return gen_side_exit(jit, asm, &function.frame_state(*state)), Insn::PutSpecialObject { value_type } => gen_putspecialobject(asm, *value_type), @@ -295,6 +296,21 @@ fn gen_insn(cb: &mut CodeBlock, jit: &mut JITState, asm: &mut Assembler, functio Some(()) } +fn gen_get_constant_path(asm: &mut Assembler, ic: *const iseq_inline_constant_cache, state: &FrameState) -> Opnd { + unsafe extern "C" { + fn rb_vm_opt_getconstant_path(ec: EcPtr, cfp: CfpPtr, ic: *const iseq_inline_constant_cache) -> VALUE; + } + + // Save PC since the call can allocate an IC + gen_save_pc(asm, state); + + let val = asm.ccall( + rb_vm_opt_getconstant_path as *const u8, + vec![EC, CFP, Opnd::const_ptr(ic as *const u8)], + ); + val +} + /// Lowering for [`Insn::CCall`]. This is a low-level raw call that doesn't know /// anything about the callee, so handling for e.g. GC safety is dealt with elsewhere. fn gen_ccall(jit: &mut JITState, asm: &mut Assembler, cfun: *const u8, args: &[InsnId]) -> Option<lir::Opnd> { |