2011-02-14 12:29:04 +01:00
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/* This testcase is part of GDB, the GNU debugger.
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2017-01-01 07:50:51 +01:00
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Copyright 2002-2017 Free Software Foundation, Inc.
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2011-02-14 12:29:04 +01:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <string.h>
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/* Test program partial trace data visualization. */
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/* Typedefs. */
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typedef struct TEST_STRUCT {
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char memberc;
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int memberi;
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float memberf;
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double memberd;
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} test_struct;
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2011-02-14 12:30:37 +01:00
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struct small_struct
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{
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int member;
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};
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struct small_struct_b : public small_struct
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{
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};
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2011-02-14 12:29:04 +01:00
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typedef int test_array [4];
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/* Global variables to be collected. */
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char globalc;
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int globali;
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float globalf;
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double globald;
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test_struct globalstruct;
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test_struct *globalp;
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int globalarr[16];
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2011-02-14 12:30:37 +01:00
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small_struct g_smallstruct;
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small_struct_b g_smallstruct_b;
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2011-02-14 12:29:04 +01:00
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/* Strings. */
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const char g_const_string[] = "hello world";
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char g_string_unavail[sizeof (g_const_string)];
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char g_string_partial[sizeof (g_const_string)];
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const char *g_string_p;
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/* Used to check that <unavailable> is not the same as 0 in array
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element repetitions. */
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struct tuple
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{
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int a;
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int b;
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};
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struct tuple tarray[8];
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2011-02-14 12:34:31 +01:00
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/* Test for overcollection. GDB used to merge memory ranges to
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collect if they were close enough --- say, collect `a' and 'c'
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below, and you'd get 'b' as well. This had been presumably done to
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cater for some target's inefficient trace buffer layout, but it is
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really not GDB's business to assume how the target manages its
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buffer. If the target wants to overcollect, that's okay, since it
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knows what is and what isn't safe to touch (think memory mapped
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registers), and knows it's buffer layout.
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The test assumes these three variables are laid out consecutively
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in memory. Unfortunately, we can't use an array instead, since the
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agent expression generator does not even do constant folding,
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meaning that anything that's more complicated than collecting a
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global will generate an agent expression action to evaluate on the
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target, instead of a simple "collect memory" action. */
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int a;
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int b;
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int c;
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2011-02-14 12:29:04 +01:00
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/* Random tests. */
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struct StructA
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{
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int a, b;
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int array[10000];
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void *ptr;
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int bitfield:1;
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};
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struct StructB
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{
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int d, ef;
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StructA struct_a;
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int s:1;
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static StructA static_struct_a;
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const char *string;
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};
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/* References. */
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int g_int;
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int &g_ref = g_int;
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struct StructRef
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{
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StructRef (unsigned int val) : ref(d) {}
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void clear ()
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{
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d = 0;
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}
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unsigned int d;
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unsigned int &ref;
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};
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struct StructB struct_b;
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struct StructA StructB::static_struct_a;
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StructRef g_structref(0x12345678);
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StructRef *g_structref_p = &g_structref;
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2011-02-14 12:35:45 +01:00
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class Base
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{
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protected:
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int x;
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public:
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Base(void) { x = 2; };
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};
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class Middle: public virtual Base
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{
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protected:
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int y;
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public:
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Middle(void): Base() { y = 3; };
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};
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class Derived: public virtual Middle {
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protected:
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int z;
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public:
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Derived(void): Middle() { z = 4; };
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};
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Derived derived_unavail;
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Derived derived_partial;
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Derived derived_whole;
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2011-02-14 12:33:24 +01:00
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struct Virtual {
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int z;
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virtual ~Virtual() {}
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};
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2011-02-14 12:35:45 +01:00
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Virtual virtual_partial;
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Virtual *virtualp = &virtual_partial;
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2011-02-14 12:29:04 +01:00
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/* Test functions. */
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static void
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begin () /* called before anything else */
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{
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}
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static void
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end () /* called after everything else */
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{
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}
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2011-03-18 19:51:08 +01:00
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/* Test (not) collecting args. */
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int
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args_test_func (char argc,
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int argi,
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float argf,
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double argd,
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test_struct argstruct,
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int argarray[4])
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{
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int i;
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i = (int) argc + argi + argf + argd + argstruct.memberi + argarray[1];
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return i;
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}
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/* Test (not) collecting array args. */
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/* Test (not) collecting locals. */
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int
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local_test_func ()
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{
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char locc = 11;
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int loci = 12;
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float locf = 13.3;
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double locd = 14.4;
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test_struct locst;
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int locar[4];
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int i;
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struct localstruct {} locdefst;
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locst.memberc = 15;
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locst.memberi = 16;
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locst.memberf = 17.7;
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locst.memberd = 18.8;
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locar[0] = 121;
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locar[1] = 122;
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locar[2] = 123;
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locar[3] = 124;
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i = /* set local_test_func tracepoint here */
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(int) locc + loci + locf + locd + locst.memberi + locar[1];
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return i;
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}
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/* Test collecting register locals. */
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int
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reglocal_test_func ()
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{
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register char locc = 11;
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register int loci = 12;
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register float locf = 13.3;
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register double locd = 14.4;
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register test_struct locst;
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register int locar[4];
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int i;
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locst.memberc = 15;
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locst.memberi = 16;
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locst.memberf = 17.7;
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locst.memberd = 18.8;
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locar[0] = 121;
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locar[1] = 122;
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locar[2] = 123;
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locar[3] = 124;
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i = /* set reglocal_test_func tracepoint here */
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(int) locc + loci + locf + locd + locst.memberi + locar[1];
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return i;
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}
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/* Test collecting static locals. */
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int
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statlocal_test_func ()
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{
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static char locc;
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static int loci;
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static float locf;
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static double locd;
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static test_struct locst;
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static int locar[4];
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int i;
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locc = 11;
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loci = 12;
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locf = 13.3;
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locd = 14.4;
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locst.memberc = 15;
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locst.memberi = 16;
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locst.memberf = 17.7;
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locst.memberd = 18.8;
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locar[0] = 121;
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locar[1] = 122;
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locar[2] = 123;
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locar[3] = 124;
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i = /* set statlocal_test_func tracepoint here */
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(int) locc + loci + locf + locd + locst.memberi + locar[1];
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/* Set static locals back to zero so collected values are clearly special. */
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locc = 0;
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loci = 0;
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locf = 0;
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locd = 0;
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locst.memberc = 0;
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locst.memberi = 0;
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locst.memberf = 0;
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locst.memberd = 0;
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locar[0] = 0;
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locar[1] = 0;
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locar[2] = 0;
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locar[3] = 0;
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return i;
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}
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2011-02-14 12:29:04 +01:00
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int
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globals_test_func ()
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{
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int i = 0;
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i += globalc + globali + globalf + globald;
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i += globalstruct.memberc + globalstruct.memberi;
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i += globalstruct.memberf + globalstruct.memberd;
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i += globalarr[1];
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return i; /* set globals_test_func tracepoint here */
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}
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int
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main (int argc, char **argv, char **envp)
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{
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int i = 0;
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test_struct mystruct;
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int myarray[4];
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begin ();
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/* Assign collectable values to global variables. */
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globalc = 71;
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globali = 72;
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globalf = 73.3;
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globald = 74.4;
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globalstruct.memberc = 81;
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globalstruct.memberi = 82;
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globalstruct.memberf = 83.3;
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globalstruct.memberd = 84.4;
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globalp = &globalstruct;
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for (i = 0; i < 15; i++)
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globalarr[i] = i;
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mystruct.memberc = 101;
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mystruct.memberi = 102;
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mystruct.memberf = 103.3;
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mystruct.memberd = 104.4;
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myarray[0] = 111;
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myarray[1] = 112;
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myarray[2] = 113;
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myarray[3] = 114;
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g_int = 123;
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memset (&struct_b, 0xaa, sizeof struct_b);
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memset (&struct_b.static_struct_a, 0xaa, sizeof struct_b.static_struct_a);
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struct_b.string = g_const_string;
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memcpy (g_string_unavail, g_const_string, sizeof (g_const_string));
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memcpy (g_string_partial, g_const_string, sizeof (g_const_string));
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g_string_p = g_const_string;
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2011-02-14 12:34:31 +01:00
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a = 1; b = 2; c = 3;
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2011-02-14 12:29:04 +01:00
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/* Call test functions, so they can be traced and data collected. */
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i = 0;
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2011-03-18 19:51:08 +01:00
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i += args_test_func (1, 2, 3.3, 4.4, mystruct, myarray);
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i += local_test_func ();
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i += reglocal_test_func ();
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i += statlocal_test_func ();
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2011-02-14 12:29:04 +01:00
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i += globals_test_func ();
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/* Set 'em back to zero, so that the collected values will be
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distinctly different from the "realtime" (end of test) values. */
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globalc = 0;
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globali = 0;
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globalf = 0;
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globald = 0;
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globalstruct.memberc = 0;
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globalstruct.memberi = 0;
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globalstruct.memberf = 0;
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globalstruct.memberd = 0;
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globalp = 0;
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for (i = 0; i < 15; i++)
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globalarr[i] = 0;
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memset (&struct_b, 0, sizeof struct_b);
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memset (&struct_b.static_struct_a, 0, sizeof struct_b.static_struct_a);
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struct_b.string = NULL;
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memset (g_string_unavail, 0, sizeof (g_string_unavail));
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memset (g_string_partial, 0, sizeof (g_string_partial));
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g_string_p = NULL;
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2011-02-14 12:34:31 +01:00
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a = b = c = 0;
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2011-02-14 12:29:04 +01:00
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g_int = 0;
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g_structref.clear ();
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g_structref_p = NULL;
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end ();
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return 0;
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}
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