abi_func.sh

   1 #!/bin/sh
   2
   3 export LC_ALL=C
   4
   5 awk -F'\t' '$3 ~ /^p$/ {
   6         print $1
   7 }' data/musl.generic.decls |sort |uniq >/tmp/m.funcs
   8
   9 echo '
  10 #define _GNU_SOURCE 1
  11 #define _FILE_OFFSET_BITS 64
  12 ' >abi_func.cc
  13
  14 awk -F'\t' '$3 ~ /^p$/ {print $2}' data/musl.generic.decls |sort |uniq |awk '
  15 /^sys\/io\.h$/ {print "// #include <"$0">"; next}
  16 {
  17         w = $0 ~ /^(sys\/cachectl|threads)\.h$/
  18         if(w) print "#ifndef __GLIBC__"
  19         print "#include <" $0 ">"
  20         if(w) print "#endif"
  21 }' >>abi_func.cc
  22
  23 echo '
  24 #define T(x) void t_##x(__typeof(x)*p){}
  25 #ifdef __GLIBC__
  26 #define M(x)
  27 #undef sigsetjmp
  28 #define sigsetjmp __sigsetjmp
  29 #else
  30 #define M(x) x
  31 #endif
  32 ' >>abi_func.cc
  33
  34 awk '
  35 # non-portable or ctags mistake
  36 /^(iopl|ioperm|ElfW)$/ {
  37         print "// "$0; next
  38 }
  39 # polymorphic in glibc
  40 /^(index|memchr|memrchr|rindex|strcasestr|strchr|strchrnul|strlcat|strlcpy|strpbrk|strrchr|strstr|wcschr|wcspbrk|wcsrchr|wcsstr|wcswcs|wmemchr)$/ ||
  41 # musl only
  42 /^(__flt_rounds|__freadahead|__freadptr|__freadptrinc|__fseterr|_pthread_cleanup_pop|_pthread_cleanup_push|fgetln|getdents|gets|issetugid|posix_close)$/ ||
  43 /^(_flush_cache|cachectl|cacheflush)$/ ||
  44 /^(call_once|cnd_broadcast|cnd_destroy|cnd_init|cnd_signal|cnd_timedwait|cnd_wait|mtx_destroy|mtx_init|mtx_lock|mtx_timedlock|mtx_trylock|mtx_unlock|thrd_create|thrd_current|thrd_detach|thrd_equal|thrd_exit|thrd_join|thrd_sleep|thrd_yield|tss_create|tss_delete|tss_get|tss_set)$/ {
  45         print "M(T(" $0 "))"; next
  46 }
  47 { print "T(" $0 ")" }' /tmp/m.funcs >>abi_func.cc