testsuite/ltrace.main/parameters2.exp

# This file is part of ltrace.
# Copyright (C) 2012, 2013 Petr Machata, Red Hat Inc.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA

set trivial [ltraceCompile {} [ltraceSource c {
    int main(void) {}
}]]

ltraceMatch1 [ltraceRun -L -F [ltraceSource conf {
    typedef aa = int;
    typedef aaa = int;
    typedef bbb = struct(aa);
}] -- $trivial] "error" == 0

ltraceMatch1 [ltraceRun -L -F [ltraceSource conf {
    typedef char_blah = char;
    void blah(char_blah);
}] -- $trivial] "error" == 0

ltraceMatch1 [ltraceRun -L -F [ltraceSource conf {
    typedef aa = int;
    typedef aa = int;
}] -- $trivial] "error" != 0

ltraceMatch1 [ltraceRun -L -F [ltraceSource conf {
    typedef aa = struct;
    typedef aa = int;
}] -- $trivial] "error" != 0

ltraceMatch1 [ltraceRun -L -F [ltraceSource conf {
    typedef aa = struct;
    typedef aa = struct(int);
    typedef aa = struct(int);
}] -- $trivial] "error" != 0

ltraceMatch1 [ltraceRun -L -F [ltraceSource conf {
    typedef aa = struct;
    typedef aa = struct();
    typedef aa = struct();
}] -- $trivial] "error" != 0

ltraceMatch1 [ltraceRun -L -F [ltraceSource conf {
    typedef aa = struct(int, struct;);
}] -- $trivial] "error" != 0

set libll [ltraceCompile libll.so [ltraceSource c {
    struct xxx;
    void ll(struct xxx *xxx) {}
}]]

set conf [ltraceSource conf {
    typedef xxx = struct;
    typedef xxx = struct(int, xxx*);
    void ll(xxx*);
}]

ltraceMatch [ltraceRun -F $conf -e ll [ltraceCompile {} $libll [ltraceSource c {
    struct xxx {
	int i;
	struct xxx *next;
    };

    void ll (struct xxx *xxx);
    int main (int argc, char *argv[])
    {
	struct xxx a = { 1, 0 };
	struct xxx b = { 2, &a };
	struct xxx c = { 3, &b };
	struct xxx d = { 4, &c };
	ll (&d);

	struct xxx e = { 1, 0 };
	struct xxx f = { 2, &e };
	e.next = &f;
	ll (&f);

	struct xxx g = { 1, &g };
	ll (&g);

	return 0;
    }
}]]] {
    {{->ll\({ 4, { 3, { 2, { 1, nil } } } }\) *= <void>} == 1}
    {{->ll\({ 2, { 1, recurse\^ } }\) *= <void>} == 1}
    {{->ll\({ 1, recurse }\) *= <void>} == 1}
}

ltraceMatch1 [ltraceRun -F $conf -e ll -A 5 \
-- [ltraceCompile ll $libll [ltraceSource c {
    #include <stdlib.h>
    struct ble {
	int i;
	struct ble *next;
    };

    void ll (struct ble *ble);
    int main (int argc, char *argv[])
    {
	struct ble *b = NULL;
	int i;
	for (i = 0; i < 10; ++i) {
	    struct ble *n = malloc(sizeof(*n));
	    n->i = i;
	    n->next = b;
	    b = n;
	}
	ll (b);

	return 0;
    }
}]]] {->ll\({ 9, { 8, { 7, { 6, { 5, \.\.\. } } } } }\) *= <void>} == 1

# Test using lens in typedef.

ltraceMatch1 [ltraceLibTest {
    typedef hexptr = hex(uint*);
    void fun(hexptr);
} {
    void fun(unsigned *arg);
} {
    void fun(unsigned *arg) {}
} {
    unsigned u = 0x123;
    fun(&u);
}] {fun\(0x123\) *= <void>} == 1

# Test support for bitvec lens.

ltraceMatch [ltraceLibTest {
    void fun(bitvec(uint));
    void fun2(bitvec(array(char, 32)*));
} {
    void fun(unsigned i);
    void fun2(unsigned char *arr);
} {
    void fun(unsigned i) {}
    void fun2(unsigned char *arr) {}
} {
    fun(0);
    fun(0x123);
    fun(0xfffffffe);
    fun(0xffffffff);

    unsigned char bytes[32] = {0x00};
    bytes[1] = 0xff;
    bytes[31] = 0x80;
    fun2(bytes);
}] {
    {{fun\(<>\) *= <void>} == 1}
    {{fun\(<0-1,5,8>\) *= <void>} == 1}
    {{fun\(~<0>\) *= <void>} == 1}
    {{fun\(~<>\) *= <void>} == 1}
    {{fun2\(<8-15,255>\) *= <void>} == 1}
}

# Test support for hex(float), hex(double).

ltraceMatch [ltraceLibTest {
    hex(float) hex_float(hex(float));
    hex(double) hex_double(hex(double));
} {
    float hex_float(float f);
    double hex_double(double d);
} {
    float hex_float(float f) { return f + 1; }
    double hex_double(double d) { return d + 1; }
} {
    hex_float(1.5);
    hex_double(1.5);
}] {
    {{hex_float\(0x1.8p\+0\) *= 0x1.4p\+1} == 1}
    {{hex_double\(0x1.8p\+0\) *= 0x1.4p\+1} == 1}
}

# Test that "addr" is recognized.

ltraceMatch1 [ltraceLibTest {
    void fun(addr);
} {
    #include <stdint.h>
    void fun(uintptr_t u);
} {
    void fun(uintptr_t u) {}
} {
    fun(0x1234);
}] {fun\(0x1234\) *= <void>} == 1

# Test that -x fun can find "fun" prototype even if "fun" is in a
# library.

ltraceMatch1 [ltraceLibTest {
    void fun();
} {
    void libfun(void);
} {
    void fun(void) {}
    void libfun(void) { fun(); }
} {
    libfun();
} {
    -L -x fun
}] {fun@.*\(\)} == 1


# Test that %p format specifier does not crash

ltraceMatch1 [ltraceLibTest {
    void print_ptr(format);
} {
    void print_ptr(const char *format, ...);
} {
    void print_ptr(const char *format, ...) { }
} {
    void *addr = (void *)0x42;
    print_ptr("%p\n", addr);
}] {print_ptr\("%p\\n", 0x42\) *= <void>} == 1


# Test that zero(EXPR) does not leak memory (needs valgrind)

ltraceMatch1 [ltraceLibTest {
    typedef String = string(array(char, zero(256)));
    String *get_string();
} {
    char *get_string();
} {
    char *get_string() {
        return "FOO";
    }
} {
    get_string();
}] {get_string\(\) *= "FOO"} == 1

# Test that void* NULL's are displayed as "nil" as well.

ltraceMatch1 [ltraceLibTest {
    addr somefunc();
} {
    void *somefunc(void);
} {
    void *somefunc(void) {
        return 0;
    }
} {
    somefunc();
}] {somefunc\(\) *= nil} == 1

ltraceDone