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Remove dead code from TUI 

I found some dead code in the TUI -- some using #if 0, and some
commented-out code.  There's no reason to keep this, so this patch
removes it.

gdb/ChangeLog
2019-12-27  Tom Tromey  <tom@tromey.com>

	* tui/tui-source.c (tui_source_window::do_scroll_vertical): Remove
	commented-out code.
	* tui/tui.c: Remove #if 0 code.

Change-Id: Ie00933b2ba498417ce22e5da3f62f5a40c234f33
This commit is contained in:
Tom Tromey 2019-12-27 09:43:35 -07:00
parent f9ba974dea
commit ace206a5a5
3 changed files with 6 additions and 58 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2019-12-27 Tom Tromey <tom@tromey.com>
* tui/tui-source.c (tui_source_window::do_scroll_vertical): Remove
commented-out code.
* tui/tui.c: Remove #if 0 code.
2019-12-27 Tom Tromey <tom@tromey.com>
* cli/cli-cmds.c (print_disassembly): Reorder "if".

2
gdb/tui/tui-source.c
View File

@ -151,8 +151,6 @@ tui_source_window::do_scroll_vertical (int num_to_scroll)
const std::vector<off_t> *offsets;
if (g_source_cache.get_line_charpos (s, &offsets)
&& l.u.line_no > offsets->size ())
/* line = s->nlines - win_info->content_size + 1; */
/* elz: fix for dts 23398. */
l.u.line_no = start_line_or_addr.u.line_no;
if (l.u.line_no <= 0)
l.u.line_no = 1;

56
gdb/tui/tui.c
View File

@ -44,9 +44,6 @@
#include <ctype.h>
#include <signal.h>
#include <fcntl.h>
#if 0
#include <termio.h>
#endif
#include <setjmp.h>
#include "gdb_curses.h"
@ -575,59 +572,6 @@ tui_disable_command (const char *args, int from_tty)
tui_disable ();
}
#if 0
/* Solaris <sys/termios.h> defines CTRL. */
#ifndef CTRL
#define CTRL(x) (x & ~0140)
#endif
#define FILEDES 2
#define CHK(val, dft) (val<=0 ? dft : val)
static void
tui_reset (void)
{
struct termio mode;
/* Reset the teletype mode bits to a sensible state.
Copied tset.c. */
#if defined (TIOCGETC)
struct tchars tbuf;
#endif /* TIOCGETC */
#ifdef UCB_NTTY
struct ltchars ltc;
if (ldisc == NTTYDISC)
{
ioctl (FILEDES, TIOCGLTC, &ltc);
ltc.t_suspc = CHK (ltc.t_suspc, CTRL ('Z'));
ltc.t_dsuspc = CHK (ltc.t_dsuspc, CTRL ('Y'));
ltc.t_rprntc = CHK (ltc.t_rprntc, CTRL ('R'));
ltc.t_flushc = CHK (ltc.t_flushc, CTRL ('O'));
ltc.t_werasc = CHK (ltc.t_werasc, CTRL ('W'));
ltc.t_lnextc = CHK (ltc.t_lnextc, CTRL ('V'));
ioctl (FILEDES, TIOCSLTC, &ltc);
}
#endif /* UCB_NTTY */
#ifdef TIOCGETC
ioctl (FILEDES, TIOCGETC, &tbuf);
tbuf.t_intrc = CHK (tbuf.t_intrc, CTRL ('?'));
tbuf.t_quitc = CHK (tbuf.t_quitc, CTRL ('\\'));
tbuf.t_startc = CHK (tbuf.t_startc, CTRL ('Q'));
tbuf.t_stopc = CHK (tbuf.t_stopc, CTRL ('S'));
tbuf.t_eofc = CHK (tbuf.t_eofc, CTRL ('D'));
/* brkc is left alone. */
ioctl (FILEDES, TIOCSETC, &tbuf);
#endif /* TIOCGETC */
mode.sg_flags &= ~(RAW
#ifdef CBREAK
| CBREAK
#endif /* CBREAK */
| VTDELAY | ALLDELAY);
mode.sg_flags |= XTABS | ECHO | CRMOD | ANYP;
}
#endif
void
tui_show_assembly (struct gdbarch *gdbarch, CORE_ADDR addr)
{