dedad4e3d2
This forces all tests that rely on stdio to be unbuffered, like
interrupt.exp was adjusted in 6f98576f.
To recap, in some scenarios, GDB or GDBserver can be spawned with
input _not_ connected to a tty, and then tests that rely on stdio fail
with timeouts, because the inferior's stdout and stderr streams end up
fully buffered. Calling gdb_unbuffer_output forces output to be
unbuffered.
See https://sourceware.org/ml/gdb-patches/2015-02/msg00809.html and
https://sourceware.org/ml/gdb-patches/2015-02/msg00819.html.
Tested on x86_64 Fedora 20, native, and against a remote gdbserver
board file that connects to the target with ssh, with and without -t
(create pty).
gdb/testsuite/ChangeLog:
2015-07-29 Pedro Alves <palves@redhat.com>
* gdb.base/call-ar-st.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/call-rt-st.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/call-strs.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/call-strs.exp: Adjust to step over the
gdb_unbuffer_output call.
* gdb.base/catch-gdb-caused-signals.c: Include
"../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/dprintf.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/ending-run.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/run.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/shlib-call.exp: Adjust to step over the
gdb_unbuffer_output call.
* gdb.base/shmain.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/sizeof.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
* gdb.base/varargs.c: Include "../lib/unbuffer_output.c".
(main): Rename to ...
(test): ... this.
(main): Reimplement.
* gdb.base/varargs.exp: Run to test instead of to main.
* gdb.mi/mi-dprintf.c: Include "../lib/unbuffer_output.c".
(main): Call gdb_unbuffer_output.
645 lines
18 KiB
C
645 lines
18 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../lib/unbuffer_output.c"
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/**************************************************************************
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* TESTS :
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* function returning large structures, which go on the stack
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* functions returning varied sized structs which go on in the registers.
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***************************************************************************/
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/* A large structure (> 64 bits) used to test passing large structures as
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* parameters
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*/
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struct array_rep_info_t {
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int next_index[10];
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int values[10];
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int head;
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};
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/*****************************************************************************
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* Small structures ( <= 64 bits). These are used to test passing small
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* structures as parameters and test argument size promotion.
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*****************************************************************************/
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/* 64 bits
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*/
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struct small_rep_info_t {
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int value;
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int head;
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};
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/* 6 bits : really fits in 8 bits and is promoted to 8 bits
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*/
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struct bit_flags_char_t {
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unsigned char alpha :1;
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unsigned char beta :1;
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unsigned char gamma :1;
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unsigned char delta :1;
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unsigned char epsilon :1;
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unsigned char omega :1;
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};
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/* 6 bits : really fits in 8 bits and is promoted to 16 bits
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*/
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struct bit_flags_short_t {
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unsigned short alpha :1;
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unsigned short beta :1;
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unsigned short gamma :1;
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unsigned short delta :1;
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unsigned short epsilon :1;
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unsigned short omega :1;
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};
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/* 6 bits : really fits in 8 bits and is promoted to 32 bits
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*/
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struct bit_flags_t {
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unsigned alpha :1;
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unsigned beta :1;
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unsigned gamma :1;
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unsigned delta :1;
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unsigned epsilon :1;
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unsigned omega :1;
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};
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/* 22 bits : really fits in 40 bits and is promoted to 64 bits
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*/
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struct bit_flags_combo_t {
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unsigned alpha :1;
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unsigned beta :1;
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char ch1;
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unsigned gamma :1;
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unsigned delta :1;
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char ch2;
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unsigned epsilon :1;
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unsigned omega :1;
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};
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/* 64 bits
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*/
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struct one_double_t {
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double double1;
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};
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/* 64 bits
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*/
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struct two_floats_t {
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float float1;
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float float2;
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};
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/* 24 bits : promoted to 32 bits
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*/
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struct three_char_t {
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char ch1;
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char ch2;
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char ch3;
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};
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/* 40 bits : promoted to 64 bits
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*/
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struct five_char_t {
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char ch1;
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char ch2;
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char ch3;
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char ch4;
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char ch5;
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};
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/* 40 bits : promoted to 64 bits
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*/
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struct int_char_combo_t {
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int int1;
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char ch1;
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};
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/*****************************************************************
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* LOOP_COUNT :
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* A do nothing function. Used to provide a point at which calls can be made.
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*****************************************************************/
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void loop_count () {
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int index;
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for (index=0; index<4; index++); /* -break1- */
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}
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/*****************************************************************
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* INIT_BIT_FLAGS_CHAR :
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* Initializes a bit_flags_char_t structure. Can call this function see
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* the call command behavior when integer arguments do not fit into
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* registers and must be placed on the stack.
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* OUT struct bit_flags_char_t *bit_flags -- structure to be filled
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* IN unsigned a -- 0 or 1
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* IN unsigned b -- 0 or 1
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* IN unsigned g -- 0 or 1
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* IN unsigned d -- 0 or 1
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* IN unsigned e -- 0 or 1
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* IN unsigned o -- 0 or 1
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*****************************************************************/
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void init_bit_flags_char (
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struct bit_flags_char_t *bit_flags,
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unsigned a,
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unsigned b,
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unsigned g,
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unsigned d,
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unsigned e,
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unsigned o)
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{
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bit_flags->alpha = a;
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bit_flags->beta = b;
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bit_flags->gamma = g;
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bit_flags->delta = d;
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bit_flags->epsilon = e;
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bit_flags->omega = o;
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}
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/*****************************************************************
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* INIT_BIT_FLAGS_SHORT :
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* Initializes a bit_flags_short_t structure. Can call this function see
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* the call command behavior when integer arguments do not fit into
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* registers and must be placed on the stack.
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* OUT struct bit_flags_short_t *bit_flags -- structure to be filled
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* IN unsigned a -- 0 or 1
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* IN unsigned b -- 0 or 1
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* IN unsigned g -- 0 or 1
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* IN unsigned d -- 0 or 1
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* IN unsigned e -- 0 or 1
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* IN unsigned o -- 0 or 1
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*****************************************************************/
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void init_bit_flags_short (
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struct bit_flags_short_t *bit_flags,
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unsigned a,
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unsigned b,
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unsigned g,
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unsigned d,
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unsigned e,
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unsigned o)
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{
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bit_flags->alpha = a;
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bit_flags->beta = b;
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bit_flags->gamma = g;
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bit_flags->delta = d;
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bit_flags->epsilon = e;
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bit_flags->omega = o;
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}
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/*****************************************************************
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* INIT_BIT_FLAGS :
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* Initializes a bit_flags_t structure. Can call this function see
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* the call command behavior when integer arguments do not fit into
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* registers and must be placed on the stack.
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* OUT struct bit_flags_t *bit_flags -- structure to be filled
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* IN unsigned a -- 0 or 1
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* IN unsigned b -- 0 or 1
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* IN unsigned g -- 0 or 1
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* IN unsigned d -- 0 or 1
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* IN unsigned e -- 0 or 1
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* IN unsigned o -- 0 or 1
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*****************************************************************/
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void init_bit_flags (
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struct bit_flags_t *bit_flags,
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unsigned a,
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unsigned b,
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unsigned g,
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unsigned d,
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unsigned e,
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unsigned o)
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{
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bit_flags->alpha = a;
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bit_flags->beta = b;
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bit_flags->gamma = g;
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bit_flags->delta = d;
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bit_flags->epsilon = e;
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bit_flags->omega = o;
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}
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/*****************************************************************
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* INIT_BIT_FLAGS_COMBO :
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* Initializes a bit_flags_combo_t structure. Can call this function
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* to see the call command behavior when integer and character arguments
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* do not fit into registers and must be placed on the stack.
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* OUT struct bit_flags_combo_t *bit_flags_combo -- structure to fill
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* IN unsigned a -- 0 or 1
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* IN unsigned b -- 0 or 1
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* IN char ch1
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* IN unsigned g -- 0 or 1
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* IN unsigned d -- 0 or 1
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* IN char ch2
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* IN unsigned e -- 0 or 1
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* IN unsigned o -- 0 or 1
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*****************************************************************/
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void init_bit_flags_combo (
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struct bit_flags_combo_t *bit_flags_combo,
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unsigned a,
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unsigned b,
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char ch1,
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unsigned g,
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unsigned d,
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char ch2,
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unsigned e,
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unsigned o)
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{
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bit_flags_combo->alpha = a;
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bit_flags_combo->beta = b;
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bit_flags_combo->ch1 = ch1;
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bit_flags_combo->gamma = g;
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bit_flags_combo->delta = d;
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bit_flags_combo->ch2 = ch2;
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bit_flags_combo->epsilon = e;
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bit_flags_combo->omega = o;
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}
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/*****************************************************************
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* INIT_ONE_DOUBLE :
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* OUT struct one_double_t *one_double -- structure to fill
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* IN double init_val
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*****************************************************************/
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void init_one_double ( struct one_double_t *one_double, double init_val)
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{
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one_double->double1 = init_val;
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}
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/*****************************************************************
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* INIT_TWO_FLOATS :
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* OUT struct two_floats_t *two_floats -- structure to be filled
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* IN float init_val1
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* IN float init_val2
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*****************************************************************/
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void init_two_floats (
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struct two_floats_t *two_floats,
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float init_val1,
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float init_val2)
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{
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two_floats->float1 = init_val1;
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two_floats->float2 = init_val2;
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}
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/*****************************************************************
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* INIT_THREE_CHARS :
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* OUT struct three_char_t *three_char -- structure to be filled
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* IN char init_val1
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* IN char init_val2
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* IN char init_val3
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*****************************************************************/
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void init_three_chars (
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struct three_char_t *three_char,
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char init_val1,
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char init_val2,
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char init_val3)
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{
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three_char->ch1 = init_val1;
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three_char->ch2 = init_val2;
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three_char->ch3 = init_val3;
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}
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/*****************************************************************
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* INIT_FIVE_CHARS :
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* OUT struct five_char_t *five_char -- structure to be filled
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* IN char init_val1
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* IN char init_val2
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* IN char init_val3
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* IN char init_val4
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* IN char init_val5
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*****************************************************************/
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void init_five_chars (
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struct five_char_t *five_char,
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char init_val1,
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char init_val2,
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char init_val3,
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char init_val4,
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char init_val5)
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{
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five_char->ch1 = init_val1;
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five_char->ch2 = init_val2;
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five_char->ch3 = init_val3;
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five_char->ch4 = init_val4;
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five_char->ch5 = init_val5;
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}
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/*****************************************************************
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* INIT_INT_CHAR_COMBO :
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* OUT struct int_char_combo_t *combo -- structure to be filled
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* IN int init_val1
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* IN char init_val2
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*****************************************************************/
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void init_int_char_combo (
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struct int_char_combo_t *combo,
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int init_val1,
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char init_val2)
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{
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combo->int1 = init_val1;
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combo->ch1 = init_val2;
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}
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/*****************************************************************
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* INIT_STRUCT_REP :
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* OUT struct small_rep_into_t *small_struct -- structure to be filled
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* IN int seed
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*****************************************************************/
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void init_struct_rep(
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struct small_rep_info_t *small_struct,
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int seed)
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{
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small_struct->value = 2 + (seed*2);
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small_struct->head = 0;
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}
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/*****************************************************************
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* PRINT_BIT_FLAGS_CHAR :
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* IN struct bit_flags_char_t bit_flags
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****************************************************************/
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struct bit_flags_char_t print_bit_flags_char (struct bit_flags_char_t bit_flags)
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{
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if (bit_flags.alpha) printf("alpha\n");
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if (bit_flags.beta) printf("beta\n");
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if (bit_flags.gamma) printf("gamma\n");
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if (bit_flags.delta) printf("delta\n");
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if (bit_flags.epsilon) printf("epsilon\n");
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if (bit_flags.omega) printf("omega\n");
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return bit_flags;
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}
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/*****************************************************************
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* PRINT_BIT_FLAGS_SHORT :
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* IN struct bit_flags_short_t bit_flags
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****************************************************************/
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struct bit_flags_short_t print_bit_flags_short (struct bit_flags_short_t bit_flags)
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{
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if (bit_flags.alpha) printf("alpha\n");
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if (bit_flags.beta) printf("beta\n");
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if (bit_flags.gamma) printf("gamma\n");
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if (bit_flags.delta) printf("delta\n");
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if (bit_flags.epsilon) printf("epsilon\n");
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if (bit_flags.omega) printf("omega\n");
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return bit_flags;
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}
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/*****************************************************************
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* PRINT_BIT_FLAGS :
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* IN struct bit_flags_t bit_flags
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****************************************************************/
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struct bit_flags_t print_bit_flags (struct bit_flags_t bit_flags)
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{
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if (bit_flags.alpha) printf("alpha\n");
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if (bit_flags.beta) printf("beta\n");
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if (bit_flags.gamma) printf("gamma\n");
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if (bit_flags.delta) printf("delta\n");
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if (bit_flags.epsilon) printf("epsilon\n");
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if (bit_flags.omega) printf("omega\n");
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return bit_flags;
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}
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/*****************************************************************
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* PRINT_BIT_FLAGS_COMBO :
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* IN struct bit_flags_combo_t bit_flags_combo
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****************************************************************/
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struct bit_flags_combo_t print_bit_flags_combo (struct bit_flags_combo_t bit_flags_combo)
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{
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if (bit_flags_combo.alpha) printf("alpha\n");
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if (bit_flags_combo.beta) printf("beta\n");
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if (bit_flags_combo.gamma) printf("gamma\n");
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if (bit_flags_combo.delta) printf("delta\n");
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if (bit_flags_combo.epsilon) printf("epsilon\n");
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if (bit_flags_combo.omega) printf("omega\n");
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printf("ch1: %c\tch2: %c\n", bit_flags_combo.ch1, bit_flags_combo.ch2);
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return bit_flags_combo;
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}
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/*****************************************************************
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* PRINT_ONE_DOUBLE :
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* IN struct one_double_t one_double
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****************************************************************/
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struct one_double_t print_one_double (struct one_double_t one_double)
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{
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printf("Contents of one_double_t: \n\n");
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printf("%f\n", one_double.double1);
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return one_double;
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}
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/*****************************************************************
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* PRINT_TWO_FLOATS :
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* IN struct two_floats_t two_floats
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****************************************************************/
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struct two_floats_t print_two_floats (struct two_floats_t two_floats)
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{
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printf("Contents of two_floats_t: \n\n");
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printf("%f\t%f\n", two_floats.float1, two_floats.float2);
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return two_floats;
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}
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/*****************************************************************
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* PRINT_THREE_CHARS :
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* IN struct three_char_t three_char
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****************************************************************/
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struct three_char_t print_three_chars (struct three_char_t three_char)
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{
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printf("Contents of three_char_t: \n\n");
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printf("%c\t%c\t%c\n", three_char.ch1, three_char.ch2, three_char.ch3);
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return three_char;
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}
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/*****************************************************************
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* PRINT_FIVE_CHARS :
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* IN struct five_char_t five_char
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****************************************************************/
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struct five_char_t print_five_chars (struct five_char_t five_char)
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{
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printf("Contents of five_char_t: \n\n");
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printf("%c\t%c\t%c\t%c\t%c\n", five_char.ch1, five_char.ch2,
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five_char.ch3, five_char.ch4,
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five_char.ch5);
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return five_char;
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}
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/*****************************************************************
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* PRINT_INT_CHAR_COMBO :
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* IN struct int_char_combo_t int_char_combo
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****************************************************************/
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struct int_char_combo_t print_int_char_combo (struct int_char_combo_t int_char_combo)
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{
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printf("Contents of int_char_combo_t: \n\n");
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printf("%d\t%c\n", int_char_combo.int1, int_char_combo.ch1);
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return int_char_combo;
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}
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/*****************************************************************
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* PRINT_STRUCT_REP :
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****************************************************************/
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struct small_rep_info_t print_struct_rep(struct small_rep_info_t struct1)
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{
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printf("Contents of struct1: \n\n");
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printf("%10d%10d\n", struct1.value, struct1.head);
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struct1.value =+5;
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return struct1;
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}
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struct array_rep_info_t print_one_large_struct(struct array_rep_info_t linked_list1)
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{
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|
|
|
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|
printf("%10d%10d\n", linked_list1.values[0],
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linked_list1.next_index[0]);
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return linked_list1;
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|
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}
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|
/*****************************************************************
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|
* INIT_ARRAY_REP :
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* IN struct array_rep_info_t *linked_list
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|
* IN int seed
|
|
****************************************************************/
|
|
void init_array_rep(struct array_rep_info_t *linked_list, int seed)
|
|
{
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|
|
|
int index;
|
|
|
|
for (index = 0; index < 10; index++) {
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|
|
|
linked_list->values[index] = (2*index) + (seed*2);
|
|
linked_list->next_index[index] = index + 1;
|
|
}
|
|
linked_list->head = 0;
|
|
}
|
|
|
|
|
|
int main () {
|
|
|
|
/* variables for large structure testing
|
|
*/
|
|
int number = 10;
|
|
struct array_rep_info_t *list1;
|
|
|
|
/* variables for testing a small structures and a very long argument list
|
|
*/
|
|
struct small_rep_info_t *struct1;
|
|
struct bit_flags_char_t *cflags;
|
|
struct bit_flags_short_t *sflags;
|
|
struct bit_flags_t *flags;
|
|
struct bit_flags_combo_t *flags_combo;
|
|
struct three_char_t *three_char;
|
|
struct five_char_t *five_char;
|
|
struct int_char_combo_t *int_char_combo;
|
|
struct one_double_t *d1;
|
|
struct two_floats_t *f3;
|
|
|
|
gdb_unbuffer_output ();
|
|
|
|
/* Allocate space for large structures
|
|
*/
|
|
list1 = (struct array_rep_info_t *)malloc(sizeof(struct array_rep_info_t));
|
|
|
|
/* Initialize large structures
|
|
*/
|
|
init_array_rep(list1, 2);
|
|
|
|
/* Print large structures
|
|
*/
|
|
print_one_large_struct(*list1);
|
|
|
|
/* Allocate space for small structures
|
|
*/
|
|
struct1 = (struct small_rep_info_t *)malloc(sizeof(struct small_rep_info_t));
|
|
cflags = (struct bit_flags_char_t *)malloc(sizeof(struct bit_flags_char_t));
|
|
sflags = (struct bit_flags_short_t *)malloc(sizeof(struct bit_flags_short_t));
|
|
flags = (struct bit_flags_t *)malloc(sizeof(struct bit_flags_t));
|
|
flags_combo = (struct bit_flags_combo_t *)malloc(sizeof(struct bit_flags_combo_t));
|
|
three_char = (struct three_char_t *)malloc(sizeof(struct three_char_t));
|
|
five_char = (struct five_char_t *)malloc(sizeof(struct five_char_t));
|
|
int_char_combo = (struct int_char_combo_t *)malloc(sizeof(struct int_char_combo_t));
|
|
|
|
d1 = (struct one_double_t *)malloc(sizeof(struct one_double_t));
|
|
f3 = (struct two_floats_t *)malloc(sizeof(struct two_floats_t));
|
|
|
|
/* Initialize small structures
|
|
*/
|
|
init_one_double ( d1, 1.11111);
|
|
init_two_floats ( f3, -2.345, 1.0);
|
|
init_bit_flags_char(cflags, (unsigned)1, (unsigned)0, (unsigned)1,
|
|
(unsigned)0, (unsigned)1, (unsigned)0 );
|
|
init_bit_flags_short(sflags, (unsigned)1, (unsigned)0, (unsigned)1,
|
|
(unsigned)0, (unsigned)1, (unsigned)0 );
|
|
init_bit_flags(flags, (unsigned)1, (unsigned)0, (unsigned)1,
|
|
(unsigned)0, (unsigned)1, (unsigned)0 );
|
|
init_bit_flags_combo(flags_combo, (unsigned)1, (unsigned)0, 'y',
|
|
(unsigned)1, (unsigned)0, 'n',
|
|
(unsigned)1, (unsigned)0 );
|
|
init_three_chars(three_char, 'x', 'y', 'z');
|
|
init_five_chars(five_char, 'h', 'e', 'l', 'l', 'o');
|
|
init_int_char_combo(int_char_combo, 13, '!');
|
|
init_struct_rep(struct1, 10);
|
|
|
|
|
|
/* Print small structures
|
|
*/
|
|
print_one_double(*d1);
|
|
print_two_floats(*f3);
|
|
print_bit_flags_char(*cflags);
|
|
print_bit_flags_short(*sflags);
|
|
print_bit_flags(*flags);
|
|
print_bit_flags_combo(*flags_combo);
|
|
print_three_chars(*three_char);
|
|
print_five_chars(*five_char);
|
|
print_int_char_combo(*int_char_combo);
|
|
print_struct_rep(*struct1);
|
|
|
|
loop_count(); /* -finish2- */
|
|
|
|
return 0; /* -finish1- */
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|