From: Andrew Haley <aph@redhat.com>
To: Anthony Green <green@moxielogic.com>
Cc: libffi-discuss <libffi-discuss@sourceware.org>
Subject: Re: How to call 'printf' using libffi?
Date: Fri, 19 Mar 2021 11:43:02 +0000 [thread overview]
Message-ID: <71f0c5ea-e3b7-176e-a0a1-29dceeff69b9@redhat.com> (raw)
In-Reply-To: <CACxje589M=irBhUGC+LLdVCF5fUFdkY6pHwo6CQgw3=bEWzVzg@mail.gmail.com>
On 3/19/21 11:01 AM, Anthony Green wrote:
>>> ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 3, &ffi_type_sint,
>> arg_types);
>>
>> Surely that only works if a varargs call uses the same ABI as a normal
>> call. They don't always,
>>
> I'm using the '_var' variant of ffi_prep_cif that takes this into account.
Aha! Missed it.
--
Andrew Haley (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
next prev parent reply other threads:[~2021-03-19 11:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-18 14:04 ShaJunxing
2021-03-18 15:25 ` Anthony Green
2021-03-19 2:08 ` ShaJunxing
2021-03-19 2:36 ` Kaz Kylheku (libffi)
2021-03-19 3:09 ` ShaJunxing
2021-03-19 10:13 ` Andrew Haley
2021-03-19 11:01 ` Anthony Green
2021-03-19 11:43 ` Andrew Haley [this message]
2021-03-20 22:40 ` Anthony Green
2021-03-20 23:56 ` Anthony Green
2021-03-22 10:36 ` Andrew Haley
2021-03-19 11:26 ` Jarkko Hietaniemi
2021-03-19 11:33 ` Anthony Green
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