1#!/bin/sh -efu
2#
3# Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
4# Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15# 3. The name of the author may not be used to endorse or promote products
16#    derived from this software without specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29mpers_name="$1"; shift
30size="$(printf %s "$mpers_name" |tr -cd '[0-9]')"
31[ "$size" -gt 0 ]
32
33srcdir=${0%/*}
34mpers_sh="${srcdir}/mpers.sh"
35
36mpers_dir="mpers-$mpers_name"
37mkdir -p "$mpers_dir"
38
39sample="$mpers_dir/sample.c"
40cat > "$sample" <<EOF
41#include "mpers_type.h"
42#include DEF_MPERS_TYPE(sample_struct)
43typedef struct {
44	struct {
45		void *p;
46		char sc;
47		/* unsigned char mpers_filler_1[1]; */
48		short ss;
49		unsigned char uc;
50		/* unsigned char mpers_filler_2[3]; */
51		int si;
52		unsigned ui;
53		long sl;
54		unsigned short us;
55		/* unsigned char mpers_filler_3[6]; */
56		long long sll __attribute__((__aligned__(8)));
57		unsigned long long ull;
58		unsigned long ul;
59		long asl[3];
60		char f;
61		/* unsigned char mpers_end_filler_4[7]; */
62	} s;
63	union {
64		long long sll;
65		unsigned long long ull;
66		void *p;
67		long sl;
68		unsigned long ul;
69		int si;
70		unsigned ui;
71		short ss;
72		unsigned short us;
73		char sc;
74		unsigned char uc;
75	} u[3];
76	short f[0];
77} sample_struct;
78#include MPERS_DEFS
79EOF
80
81expected="$mpers_dir/sample.expected"
82cat > "$expected" <<EOF
83#include <inttypes.h>
84typedef uint${size}_t mpers_ptr_t;
85typedef
86struct {
87struct {
88mpers_ptr_t p;
89char sc;
90unsigned char mpers_filler_1[1];
91int16_t ss;
92unsigned char uc;
93unsigned char mpers_filler_2[3];
94int32_t si;
95uint32_t ui;
96int${size}_t sl;
97uint16_t us;
98unsigned char mpers_filler_3[6];
99int64_t sll;
100uint64_t ull;
101uint${size}_t ul;
102int${size}_t asl[3];
103char f;
104unsigned char mpers_end_filler_4[7];
105} ATTRIBUTE_PACKED s;
106union {
107int64_t sll;
108uint64_t ull;
109mpers_ptr_t p;
110int${size}_t sl;
111uint${size}_t ul;
112int32_t si;
113uint32_t ui;
114int16_t ss;
115uint16_t us;
116char sc;
117unsigned char uc;
118} u[3];
119int16_t f[0];
120} ATTRIBUTE_PACKED ${mpers_name}_sample_struct;
121#define MPERS_${mpers_name}_sample_struct ${mpers_name}_sample_struct
122EOF
123
124CFLAGS="$CPPFLAGS -I${srcdir}" \
125CPPFLAGS="$CPPFLAGS -I${srcdir} -DIN_MPERS -DMPERS_IS_${mpers_name}" \
126"$mpers_sh" "-$mpers_name" "$sample"
127cmp "$expected" "$mpers_dir"/sample_struct.h > /dev/null
128