c++ abi check tools

[musl-tables] / abi.sh

diff --git a/abi.sh b/abi.sh
new file mode 100755 (executable)
index 0000000..2c2594d
--- /dev/null
+++ b/abi.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+
+export LC_ALL=C
+MUSL=${MUSL:-../musl}
+
+awk -F'\t' '$3 ~ /^[sut]$/ {
+       print $1
+}' data/musl.tags >/tmp/m.type
+echo 'char' >>/tmp/m.type
+echo 'short' >>/tmp/m.type
+echo 'int' >>/tmp/m.type
+echo 'long' >>/tmp/m.type
+echo 'long_long' >>/tmp/m.type
+echo 'float' >>/tmp/m.type
+echo 'double' >>/tmp/m.type
+echo 'long_double' >>/tmp/m.type
+echo 'wchar_t' >>/tmp/m.type
+echo 'bool' >>/tmp/m.type
+echo 'void' >>/tmp/m.type
+
+(
+       cd $MUSL/include
+       find . -name '*.h' | sed 's,^\./,,' >/tmp/m.header
+)
+
+echo '#define _GNU_SOURCE 1' >abi.cc
+echo '#define _LARGEFILE64_SOURCE 1' >>abi.cc
+echo '#define _FILE_OFFSET_BITS 64' >>abi.cc
+echo '#define SYSLOG_NAMES 1' >>abi.cc
+echo '#include <stddef.h>' >>abi.cc
+echo '#include <sys/types.h>' >>abi.cc
+echo '' >>abi.cc
+
+sort /tmp/m.header |uniq |awk '
+       /^sys\/(auxv|cachectl|fantotify|errno|fcntl|poll|signal|soundcard|termios)\.h$/ { printf "//" }
+       /^(stdalign|stdnoreturn|threads|wait)\.h$/ { printf "//" }
+       { print "#include <" $0 ">" }' >>abi.cc
+echo 'typedef long long long_long; typedef long double long_double;' >>abi.cc
+echo 'struct size{int i;}; struct align{int i;};' >>abi.cc
+echo '#define p(s,t) void x_##t(s t x, size(*y)[sizeof(s t)], align(*z)[__alignof__(s t)]){}' >>abi.cc
+echo '#define pp(s,t) void y_##t(s t* x, size(*y)[sizeof(s t*)], align(*z)[__alignof__(s t*)]){}' >>abi.cc
+sort /tmp/m.type |uniq |awk '
+       /^(struct|union) __(CODE|ptcb|siginfo|ucontext|sigjmp_buf|double_repr|float_repr|sigset_t|mbstate_t|fsid_t)$/ ||
+       /^(elf_fpxregset_t|struct user_fpxregs_struct|Sg_io_vec|struct ih_.*|struct ip6_hdrctl|tcp_seq|union _G_fpos64_t|struct cpu_set_t|__isoc_va_list|ns_tcp_tsig.*|ns_tsig_.*|struct ptrace_peeksiginfo_.*)$/ { printf "//" }
+       { if (!sub(/ /,",")) sub(/^/,",") }
+       /,(DIR|FILE|void)$/ { print "pp(" $0 ")"; next }
+       { print "p(" $0 ")" }' >>abi.cc