diff options
Diffstat (limited to 'yjit/src/cruby.rs')
| -rw-r--r-- | yjit/src/cruby.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/yjit/src/cruby.rs b/yjit/src/cruby.rs index 570cc24719..5dd6cf5d69 100644 --- a/yjit/src/cruby.rs +++ b/yjit/src/cruby.rs @@ -143,6 +143,7 @@ pub use rb_insn_name as raw_insn_name; pub use rb_insn_len as raw_insn_len; pub use rb_yarv_class_of as CLASS_OF; pub use rb_get_ec_cfp as get_ec_cfp; +pub use rb_get_cfp_iseq as get_cfp_iseq; pub use rb_get_cfp_pc as get_cfp_pc; pub use rb_get_cfp_sp as get_cfp_sp; pub use rb_get_cfp_self as get_cfp_self; @@ -243,6 +244,12 @@ pub struct VALUE(pub usize); /// Pointer to an ISEQ pub type IseqPtr = *const rb_iseq_t; +// Given an ISEQ pointer, convert PC to insn_idx +pub fn iseq_pc_to_insn_idx(iseq: IseqPtr, pc: *mut VALUE) -> Option<u16> { + let pc_zero = unsafe { rb_iseq_pc_at_idx(iseq, 0) }; + unsafe { pc.offset_from(pc_zero) }.try_into().ok() +} + /// Opaque execution-context type from vm_core.h #[repr(C)] pub struct rb_execution_context_struct { |