bc5065a70f
This adds tests to verify range stepping is used as expected, by inspecting the RSP traffic, looking for vCont;s and vCont;r packets. gdb/testsuite/ 2013-05-23 Yao Qi <yao@codesourcery.com> Pedro Alves <palves@redhat.com> * gdb.base/range-stepping.c: New file. * gdb.base/range-stepping.exp: New file. * gdb.trace/range-stepping.c: New file. * gdb.trace/range-stepping.exp: New file. * lib/range-stepping-support.exp: New file.
104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2013 Free Software Foundation, 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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* Note: 'volatile' is used to make sure the compiler doesn't fold /
|
|
optimize out the arithmetic that uses the variables. */
|
|
|
|
static int
|
|
func1 (int a, int b)
|
|
{
|
|
volatile int r = a * b;
|
|
|
|
r += (a | b);
|
|
r += (a - b);
|
|
|
|
return r;
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
volatile int a = 0;
|
|
volatile int b = 1;
|
|
volatile int c = 2;
|
|
volatile int d = 3;
|
|
volatile int e = 4;
|
|
volatile double d1 = 1.0;
|
|
volatile double d2 = 2.0;
|
|
|
|
/* A macro that expands to a single source line that compiles to a
|
|
number of instructions, with no branches. */
|
|
#define LINE_WITH_MULTIPLE_INSTRUCTIONS \
|
|
do \
|
|
{ \
|
|
a = b + c + d * e - a; \
|
|
} while (0)
|
|
|
|
LINE_WITH_MULTIPLE_INSTRUCTIONS; /* location 1 */
|
|
|
|
/* A line of source code that compiles to a function call (jump or
|
|
branch), surrounded by instructions before and after. IOW, this
|
|
will generate approximately the following pseudo-instructions:
|
|
|
|
addr1:
|
|
insn1;
|
|
insn2;
|
|
...
|
|
call func1;
|
|
...
|
|
insn3;
|
|
addr2:
|
|
insn4;
|
|
*/
|
|
e = 10 + func1 (a + b, c * d); /* location 2 */
|
|
|
|
e = 10 + func1 (a + b, c * d);
|
|
|
|
/* Generate a single source line that includes a short loop. */
|
|
#define LINE_WITH_LOOP \
|
|
do \
|
|
{ \
|
|
for (a = 0, e = 0; a < 15; a++) \
|
|
e += a; \
|
|
} while (0)
|
|
|
|
LINE_WITH_LOOP;
|
|
|
|
LINE_WITH_LOOP;
|
|
|
|
/* Generate a single source line that includes a time-consuming
|
|
loop. GDB breaks the loop early by clearing variable 'c'. */
|
|
#define LINE_WITH_TIME_CONSUMING_LOOP \
|
|
do \
|
|
{ \
|
|
for (c = 1, a = 0; a < 65535 && c; a++) \
|
|
for (b = 0; b < 65535 && c; b++) \
|
|
{ \
|
|
d1 = d2 * a / b; \
|
|
d2 = d1 * a; \
|
|
} \
|
|
} while (0)
|
|
|
|
LINE_WITH_TIME_CONSUMING_LOOP;
|
|
|
|
/* Some multi-instruction lines for software watchpoint tests. */
|
|
LINE_WITH_MULTIPLE_INSTRUCTIONS;
|
|
LINE_WITH_MULTIPLE_INSTRUCTIONS; /* soft-watch */
|
|
LINE_WITH_MULTIPLE_INSTRUCTIONS;
|
|
|
|
return 0;
|
|
}
|