Le Mon, 07 Apr 2014 10:42:13 +0000, Jean-Pierre Flori a écrit : > Le Mon, 07 Apr 2014 09:49:27 +0000, Jean-Pierre Flori a écrit : > >> Le Mon, 07 Apr 2014 09:14:41 +0000, Jean-Pierre Flori a écrit : >>> Looking a little further, it seems the problematic functions are those >>> directly assembled from assembly code. >>> That was the case of mpn_store on x86_64. >>> >>> And when I remove all dllimport, the call to the function mpn_addadd_n >>> also gives a segfault when executing t-addadd_n.exe. >>> >>> Note that the test t-aors.exe does not segfault, and indeed it only >>> uses the mpn_add_1 and mpn_sub_1 functions which are not from >>> assembly. >>> >> It seems the dll produced at least has different treatment for these >> tow kinds of functions. >> >> jp@napoleon-7 ~ >> $ nm local/bin/cygmpir-16.dll | grep store 00000004ff238170 T >> __gmpn_store 00000004ff238198 t __gmpn_store.1 00000004ff2381a0 t >> __gmpn_store.2 00000004ff2381b3 t __gmpn_store.3 00000004ff2381bd t >> __gmpn_store.4 00000004ff2381be t __gmpn_store.5 00000004ff2381c3 t >> __gmpn_store.6 00000004ff2381c9 t __gmpn_store.7 ... >> >> jp@napoleon-7 ~ >> $ nm local/bin/cygmpir-16.dll | grep addadd_n 00000004ff208e10 T >> __gmpn_addadd_n 00000004ff208e50 t __gmpn_addadd_n.1 00000004ff208eac t >> __gmpn_addadd_n.2 00000004ff208ebe t __gmpn_addadd_n.3 00000004ff208f0f >> t __gmpn_addadd_n.4 00000004ff208f54 t __gmpn_addadd_n.5 >> 00000004ff208f6e t __gmpn_addadd_n.6 >> >> jp@napoleon-7 ~ >> $ nm local/bin/cygmpir-16.dll | grep add_1 00000004ff207d40 T >> __gmpn_add_1 >> >> And >> >> jp@napoleon-7 ~/mpir $ nm .libs/libmpir.dll.a | grep add_1 >> 0000000000000000 T __gmpn_add_1 0000000000000000 I __imp___gmpn_add_1 >> >> jp@napoleon-7 ~/mpir $ nm .libs/libmpir.dll.a | grep addadd_n >> 0000000000000000 I __imp___gmpn_addadd_n 0000000000000000 I >> __nm___gmpn_addadd_n > > Note in particular the __nm_ prefix. > It is as advertiserd here: http://www.cygwin.com/ml/cygwin/2002-01/ > msg00236.html But when looking at the Cygwin32 produced import lib, I > don't see any nm prefix.
In fact, I see some... but for much fewer functions, strange. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
