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Bindgen offsetof struct and union with builtin

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except for bit fields.

I made a risky assumption on leading bit fields and just gave up
non-leading bit fields for now. I'll change it to let C code access bit
fields later.
This commit is contained in:
Takashi Kokubun 2022-09-22 21:39:54 +09:00
parent 2ce1460c65
commit dc5b536468
Notes: git 2022-09-23 06:45:05 +09:00
3 changed files with 197 additions and 185 deletions
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mjit_compiler.c
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@ -164,6 +164,10 @@ has_cache_for_send(rb_execution_context_t *ec, VALUE self, VALUE cc_addr, VALUE
extern bool rb_splat_or_kwargs_p(const struct rb_callinfo *restrict ci);
// An offsetof implementation that works for unnamed struct and union.
// Multiplying 8 for compatibility with libclang's offsetof.
#define OFFSETOF(ptr, member) RB_SIZE2NUM(((char *)&ptr.member - (char*)&ptr) * 8)
#define SIZEOF(type) RB_SIZE2NUM(sizeof(type))
#define SIGNED_TYPE_P(type) RBOOL((type)(-1) < (type)(0))