From ba78abf4a6e2d5b0abfa67994481512e58597b9e Mon Sep 17 00:00:00 2001
From: nsz <nsz@port70.net>
Date: Sun, 17 Apr 2016 21:59:53 +0000
Subject: [PATCH] add abi_func

---
 Makefile              |  8 +++----
 abi_func.sh           | 55 +++++++++++++++++++++++++++++++++++++++++++
 abi_func_data.sh      |  9 +++++++
 abi.sh => abi_type.sh |  0
 abi_type_data.sh      | 10 ++++++++
 5 files changed, 78 insertions(+), 4 deletions(-)
 create mode 100755 abi_func.sh
 create mode 100755 abi_func_data.sh
 rename abi.sh => abi_type.sh (100%)
 create mode 100755 abi_type_data.sh

diff --git a/Makefile b/Makefile
index b1efef6..a7d6ba1 100644
--- a/Makefile
+++ b/Makefile
@@ -36,12 +36,12 @@ sizeof-g++: sizeof.c
 abi: abi.ARCH.diff
 	cp abi.ARCH.* data/
 
-abi.cc:
-	./abi.sh
-abi.ARCH.glibc: abi.cc
+abi_type.cc:
+	./abi_type.sh
+abi.ARCH.glibc: abi_type.cc
 	g++ -std=c++11 $(GLIBC_FLAGS) -c -o $@.o $<
 	nm -C $@.o |sed -n 's/^[[:xdigit:]]* T //p' |sort >$@
-abi.ARCH.musl: abi.cc
+abi.ARCH.musl: abi_type.cc
 	g++ -std=c++11 -nostdinc -fno-stack-protector -isystem $(MUSL)/include -isystem $(LIBGCC) -isystem /usr/include -c -o $@.o $<
 	nm -C $@.o |sed -n 's/^[[:xdigit:]]* T //p' |sort >$@
 abi.ARCH.diff:  abi.ARCH.glibc abi.ARCH.musl
diff --git a/abi_func.sh b/abi_func.sh
new file mode 100755
index 0000000..f110f24
--- /dev/null
+++ b/abi_func.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+#set -xeu
+
+export LC_ALL=C
+#MUSL=${MUSL:-../musl}
+
+awk -F'\t' '$3 ~ /^p$/ {
+	print $1
+}' data/musl.tags >/tmp/m.funcs
+awk -F'\t' '$3 ~ /^p$/ {
+	print $2
+}' data/musl.tags >/tmp/m.header
+
+echo '#define _GNU_SOURCE 1' >abi_func.cc
+echo '#define _FILE_OFFSET_BITS 64' >>abi_func.cc
+echo '#define SYSLOG_NAMES 1' >>abi_func.cc
+#echo '#include <stddef.h>' >>abi_func.cc
+#echo '#include <sys/types.h>' >>abi_func.cc
+echo '' >>abi_func.cc
+
+sort /tmp/m.header |uniq |awk '
+#	/^sys\/(auxv|cachectl|fantotify|errno|fcntl|poll|signal|soundcard|termios)\.h$/ { printf "//" }
+#	/^(stdalign|stdnoreturn|threads|wait)\.h$/ { printf "//" }
+#	/^sys\/(cachectl)\.h$/ { printf "//" }
+#	/^(threads)\.h$/ { printf "//" }
+	{ print "#include <" $0 ">" }' >>abi_func.cc
+#echo 'typedef long long long_long; typedef long double long_double;' >>abi.cc
+#echo 'struct size{int i;}; struct align{int i;};' >>abi.cc
+#echo '#define p(s,t) void x_##t(s t x, s t* ptr, size(*y)[sizeof(s t)], align(*z)[__alignof__(s t)]){}' >>abi.cc
+#echo '#define pp(s,t) void x_##t(s t* ptr, size(*y)[sizeof(s t*)], align(*z)[__alignof__(s t*)]){}' >>abi.cc
+
+echo '#define T(x) void t_##x(__typeof(x)*p){}' >>abi_func.cc
+echo '
+#ifdef __GLIBC__
+#define M(x)
+#undef sigsetjmp
+#define sigsetjmp __sigsetjmp
+#else
+#define M(x) x
+#endif
+' >>abi_func.cc
+
+sort /tmp/m.funcs |uniq |awk '
+	/^(__flt_rounds|__freadahead|__freadptr|__freadptrinc|__fseterr|_flush_cache|_pthread_cleanup_pop|_pthread_cleanup_push|cachectl|cacheflush|call_once|cnd_broadcast|cnd_destroy|cnd_init|cnd_signal|cnd_timedwait|cnd_wait|fgetln|getdents|gets|index|issetugid|memchr|memrchr|mtx_destroy|mtx_init|mtx_lock|mtx_timedlock|mtx_trylock|mtx_unlock|posix_close|rindex|strcasestr|strchr|strchrnul|strlcat|strlcpy|strpbrk|strrchr|strstr|thrd_create|thrd_current|thrd_detach|thrd_equal|thrd_exit|thrd_join|thrd_sleep|thrd_yield|tss_create|tss_delete|tss_get|tss_set|wcschr|wcspbrk|wcsrchr|wcsstr|wcswcs|wmemchr)$/ {
+		print "M(T(" $0 "))"; next
+	}
+	/^(ElfW)$/ { printf "// " }
+	{ print "T(" $0 ")" }' >>abi_func.cc
+
+#$CXX -S -o - abi_func.cc |sed -n 's/^\(_Z.*\):/\1/p' |$CXXFILT |sed '
+#s/(\*)/@/;s/^t_\([^(]*\)(\(.*\)@\(.*\))/\2\1\3/
+#s/floatcomplex /float _Complex/g
+#s/doublecomplex /double _Complex/g
+#' >data/musl.abi_func
diff --git a/abi_func_data.sh b/abi_func_data.sh
new file mode 100755
index 0000000..637dbae
--- /dev/null
+++ b/abi_func_data.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+CXXFILT=${CXXFILT:-c++filt}
+
+$CXX -S -o - abi_func.cc |sed -n 's/^\(_Z.*\):/\1/p' |$CXXFILT |sed '
+s/(\*)/@/;s/^t_\([^(]*\)(\(.*\)@\(.*\))/\2\1\3/
+s/floatcomplex /float _Complex/g
+s/doublecomplex /double _Complex/g
+'
diff --git a/abi.sh b/abi_type.sh
similarity index 100%
rename from abi.sh
rename to abi_type.sh
diff --git a/abi_type_data.sh b/abi_type_data.sh
new file mode 100755
index 0000000..5d6420d
--- /dev/null
+++ b/abi_type_data.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+CXXFILT=${CXXFILT:-c++filt}
+
+$CXX -S -o - abi.cc |sed -n 's/^\(_Z.*\):/\1/p' |$CXXFILT |sed '
+s/^x_\([^(]*\)(\(.*\))/\1: \2/
+s/^y_\([^(]*\)(\(.*\))/\1*: \2/
+s/floatcomplex /float _Complex/g
+s/doublecomplex /double _Complex/g
+'
-- 
2.20.1