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2005-11-01 Andrew Stubbs <andrew.stubbs@st.com>

Browse Source 
* tui/tui-data.h (tui_line_or_address): Encapsulate the union in a
	struct with a tag.
	(tui_source_element, tui_source_info): Update.
	* tui/tui-disasm.c, tui/tui-source.c: Update to use the tagged union.
	* tui/tui-source.h, tui/tui-stack.c, tui/tui-win.c: Likewise.
	* tui/tui-winsource.c, tui/tui-data.c, tui/tui-layout.c: Likewise.
	* tui/tui-winsource.h: Likewise.
This commit is contained in:
Andrew Stubbs 2005-11-01 17:40:25 +00:00
parent 3929abe911
commit 362c05fe98
11 changed files with 118 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2005-11-01 Andrew Stubbs <andrew.stubbs@st.com>
* tui/tui-data.h (tui_line_or_address): Encapsulate the union in a
struct with a tag.
(tui_source_element, tui_source_info): Update.
* tui/tui-disasm.c, tui/tui-source.c: Update to use the tagged union.
* tui/tui-source.h, tui/tui-stack.c, tui/tui-win.c: Likewise.
* tui/tui-winsource.c, tui/tui-data.c, tui/tui-layout.c: Likewise.
* tui/tui-winsource.h: Likewise.
2005-11-01 Christopher Faylor <cgf@timesys.com>
* win32-nat.c (CYGWIN_SIGNAL_STRING): Delete.

9
gdb/tui/tui-data.c
View File

@ -207,7 +207,8 @@ tui_clear_win_detail (struct tui_win_info * win_info)
{
case SRC_WIN:
case DISASSEM_WIN:
win_info->detail.source_info.start_line_or_addr.addr = 0;
win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
win_info->detail.source_info.start_line_or_addr.u.addr = 0;
win_info->detail.source_info.horizontal_offset = 0;
break;
case CMD_WIN:
@ -486,7 +487,8 @@ init_content_element (struct tui_win_element * element, enum tui_win_type type)
case SRC_WIN:
case DISASSEM_WIN:
element->which_element.source.line = (char *) NULL;
element->which_element.source.line_or_addr.line_no = 0;
element->which_element.source.line_or_addr.loa = LOA_LINE;
element->which_element.source.line_or_addr.u.line_no = 0;
element->which_element.source.is_exec_point = FALSE;
element->which_element.source.has_break = FALSE;
break;
@ -537,7 +539,8 @@ init_win_info (struct tui_win_info * win_info)
win_info->detail.source_info.execution_info = (struct tui_gen_win_info *) NULL;
win_info->detail.source_info.has_locator = FALSE;
win_info->detail.source_info.horizontal_offset = 0;
win_info->detail.source_info.start_line_or_addr.addr = 0;
win_info->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
win_info->detail.source_info.start_line_or_addr.u.addr = 0;
win_info->detail.source_info.filename = 0;
break;
case DATA_WIN:

14
gdb/tui/tui-data.h
View File

@ -147,10 +147,14 @@ enum tui_register_display_type
};
/* Structure describing source line or line address */
union tui_line_or_address
struct tui_line_or_address
{
int line_no;
CORE_ADDR addr;
enum { LOA_LINE, LOA_ADDRESS } loa;
union
{
int line_no;
CORE_ADDR addr;
} u;
};
/* Current Layout definition */
@ -166,7 +170,7 @@ struct tui_layout_def
struct tui_source_element
{
char *line;
union tui_line_or_address line_or_addr;
struct tui_line_or_address line_or_addr;
int is_exec_point;
int has_break;
};
@ -259,7 +263,7 @@ struct tui_source_info
/* Execution information window. */
struct tui_gen_win_info *execution_info;
int horizontal_offset; /* used for horizontal scroll */
union tui_line_or_address start_line_or_addr;
struct tui_line_or_address start_line_or_addr;
char* filename;
};

23
gdb/tui/tui-disasm.c
View File

@ -188,7 +188,8 @@ tui_set_disassem_content (CORE_ADDR pc)
if (ret != TUI_SUCCESS)
return ret;
TUI_DISASM_WIN->detail.source_info.start_line_or_addr.addr = pc;
TUI_DISASM_WIN->detail.source_info.start_line_or_addr.loa = LOA_ADDRESS;
TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr = pc;
cur_pc = (CORE_ADDR)
(((struct tui_win_element *) locator->content[0])->which_element.locator.addr);
@ -249,7 +250,8 @@ tui_set_disassem_content (CORE_ADDR pc)
else
src->line[0] = '\0';
src->line_or_addr.addr = asm_lines[i].addr;
src->line_or_addr.loa = LOA_ADDRESS;
src->line_or_addr.u.addr = asm_lines[i].addr;
src->is_exec_point = asm_lines[i].addr == cur_pc;
/* See whether there is a breakpoint installed. */
@ -270,9 +272,10 @@ tui_show_disassem (CORE_ADDR start_addr)
{
struct symtab *s = find_pc_symtab (start_addr);
struct tui_win_info * win_with_focus = tui_win_with_focus ();
union tui_line_or_address val;
struct tui_line_or_address val;
val.addr = start_addr;
val.loa = LOA_ADDRESS;
val.u.addr = start_addr;
tui_add_win_to_layout (DISASSEM_WIN);
tui_update_source_window (TUI_DISASM_WIN, s, val, FALSE);
/*
@ -295,14 +298,15 @@ tui_show_disassem_and_update_source (CORE_ADDR start_addr)
tui_show_disassem (start_addr);
if (tui_current_layout () == SRC_DISASSEM_COMMAND)
{
union tui_line_or_address val;
struct tui_line_or_address val;
/*
** Update what is in the source window if it is displayed too,
** note that it follows what is in the disassembly window and visa-versa
*/
sal = find_pc_line (start_addr, 0);
val.line_no = sal.line;
val.loa = LOA_LINE;
val.u.line_no = sal.line;
tui_update_source_window (TUI_SRC_WIN, sal.symtab, val, TRUE);
if (sal.symtab)
{
@ -376,7 +380,7 @@ tui_vertical_disassem_scroll (enum tui_scroll_direction scroll_direction,
CORE_ADDR pc;
tui_win_content content;
struct symtab *s;
union tui_line_or_address val;
struct tui_line_or_address val;
int max_lines, dir;
struct symtab_and_line cursal = get_current_source_symtab_and_line ();
@ -388,10 +392,11 @@ tui_vertical_disassem_scroll (enum tui_scroll_direction scroll_direction,
/* account for hilite */
max_lines = TUI_DISASM_WIN->generic.height - 2;
pc = content[0]->which_element.source.line_or_addr.addr;
pc = content[0]->which_element.source.line_or_addr.u.addr;
dir = (scroll_direction == FORWARD_SCROLL) ? max_lines : - max_lines;
val.addr = tui_find_disassembly_address (pc, dir);
val.loa = LOA_ADDRESS;
val.u.addr = tui_find_disassembly_address (pc, dir);
tui_update_source_window_as_is (TUI_DISASM_WIN, s, val, FALSE);
}
}

4
gdb/tui/tui-layout.c
View File

@ -519,14 +519,14 @@ extract_display_start_addr (void)
case SRC_COMMAND:
case SRC_DATA_COMMAND:
find_line_pc (cursal.symtab,
TUI_SRC_WIN->detail.source_info.start_line_or_addr.line_no,
TUI_SRC_WIN->detail.source_info.start_line_or_addr.u.line_no,
&pc);
addr = pc;
break;
case DISASSEM_COMMAND:
case SRC_DISASSEM_COMMAND:
case DISASSEM_DATA_COMMAND:
addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.addr;
addr = TUI_DISASM_WIN->detail.source_info.start_line_or_addr.u.addr;
break;
default:
addr = 0;

33
gdb/tui/tui-source.c
View File

@ -106,7 +106,8 @@ tui_set_source_content (struct symtab *s, int line_no, int noerror)
stream = fdopen (desc, FOPEN_RT);
clearerr (stream);
cur_line = 0;
cur_line_no = src->start_line_or_addr.line_no = line_no;
src->start_line_or_addr.loa = LOA_LINE;
cur_line_no = src->start_line_or_addr.u.line_no = line_no;
if (offset > 0)
src_line = (char *) xmalloc (
(threshold + 1) * sizeof (char));
@ -137,7 +138,9 @@ tui_set_source_content (struct symtab *s, int line_no, int noerror)
/* Set whether element is the execution point and
whether there is a break point on it. */
element->which_element.source.line_or_addr.line_no =
element->which_element.source.line_or_addr.loa =
LOA_LINE;
element->which_element.source.line_or_addr.u.line_no =
cur_line_no;
element->which_element.source.is_exec_point =
(strcmp (((struct tui_win_element *)
@ -247,7 +250,8 @@ tui_set_source_content_nil (struct tui_win_info * win_info, char *warning_string
struct tui_win_element * element =
(struct tui_win_element *) win_info->generic.content[curr_line];
element->which_element.source.line_or_addr.line_no = 0;
element->which_element.source.line_or_addr.loa = LOA_LINE;
element->which_element.source.line_or_addr.u.line_no = 0;
element->which_element.source.is_exec_point = FALSE;
element->which_element.source.has_break = FALSE;
@ -295,7 +299,7 @@ tui_set_source_content_nil (struct tui_win_info * win_info, char *warning_string
/* Function to display source in the source window. This function
initializes the horizontal scroll to 0. */
void
tui_show_symtab_source (struct symtab *s, union tui_line_or_address line, int noerror)
tui_show_symtab_source (struct symtab *s, struct tui_line_or_address line, int noerror)
{
TUI_SRC_WIN->detail.source_info.horizontal_offset = 0;
tui_update_source_window_as_is (TUI_SRC_WIN, s, line, noerror);
@ -320,7 +324,7 @@ tui_vertical_source_scroll (enum tui_scroll_direction scroll_direction,
{
if (TUI_SRC_WIN->generic.content != NULL)
{
union tui_line_or_address l;
struct tui_line_or_address l;
struct symtab *s;
tui_win_content content = (tui_win_content) TUI_SRC_WIN->generic.content;
struct symtab_and_line cursal = get_current_source_symtab_and_line ();
@ -330,23 +334,24 @@ tui_vertical_source_scroll (enum tui_scroll_direction scroll_direction,
else
s = cursal.symtab;
l.loa = LOA_LINE;
if (scroll_direction == FORWARD_SCROLL)
{
l.line_no = content[0]->which_element.source.line_or_addr.line_no +
num_to_scroll;
if (l.line_no > s->nlines)
l.u.line_no = content[0]->which_element.source.line_or_addr.u.line_no
+ num_to_scroll;
if (l.u.line_no > s->nlines)
/*line = s->nlines - win_info->generic.content_size + 1; */
/*elz: fix for dts 23398 */
l.line_no = content[0]->which_element.source.line_or_addr.line_no;
l.u.line_no = content[0]->which_element.source.line_or_addr.u.line_no;
}
else
{
l.line_no = content[0]->which_element.source.line_or_addr.line_no -
num_to_scroll;
if (l.line_no <= 0)
l.line_no = 1;
l.u.line_no = content[0]->which_element.source.line_or_addr.u.line_no
- num_to_scroll;
if (l.u.line_no <= 0)
l.u.line_no = 1;
}
print_source_lines (s, l.line_no, l.line_no + 1, 0);
print_source_lines (s, l.u.line_no, l.u.line_no + 1, 0);
}
}

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

@ -33,7 +33,7 @@ struct tui_win_info;
extern void tui_set_source_content_nil (struct tui_win_info *, char *);
extern enum tui_status tui_set_source_content (struct symtab *, int, int);
extern void tui_show_symtab_source (struct symtab *, union tui_line_or_address, int);
extern void tui_show_symtab_source (struct symtab *, struct tui_line_or_address, int);
extern int tui_source_is_displayed (char *);
extern void tui_vertical_source_scroll (enum tui_scroll_direction, int);

14
gdb/tui/tui-stack.c
View File

@ -364,14 +364,15 @@ tui_show_frame_info (struct frame_info *fi)
if (win_info == TUI_SRC_WIN)
{
union tui_line_or_address l;
l.line_no = start_line;
struct tui_line_or_address l;
l.loa = LOA_LINE;
l.u.line_no = start_line;
if (!(source_already_displayed
&& tui_line_is_displayed (item->locator.line_no, win_info, TRUE)))
tui_update_source_window (win_info, sal.symtab, l, TRUE);
else
{
l.line_no = item->locator.line_no;
l.u.line_no = item->locator.line_no;
tui_set_is_exec_point_at (l, win_info);
}
}
@ -379,13 +380,14 @@ tui_show_frame_info (struct frame_info *fi)
{
if (win_info == TUI_DISASM_WIN)
{
union tui_line_or_address a;
a.addr = low;
struct tui_line_or_address a;
a.loa = LOA_ADDRESS;
a.u.addr = low;
if (!tui_addr_is_displayed (item->locator.addr, win_info, TRUE))
tui_update_source_window (win_info, sal.symtab, a, TRUE);
else
{
a.addr = item->locator.addr;
a.u.addr = item->locator.addr;
tui_set_is_exec_point_at (a, win_info);
}
}

19
gdb/tui/tui-win.c
View File

@ -1322,31 +1322,30 @@ make_visible_with_new_height (struct tui_win_info * win_info)
tui_make_visible (win_info->detail.source_info.execution_info);
if (win_info->generic.content != NULL)
{
union tui_line_or_address line_or_addr;
struct tui_line_or_address line_or_addr;
struct symtab_and_line cursal
= get_current_source_symtab_and_line ();
if (win_info->generic.type == SRC_WIN)
line_or_addr.line_no =
win_info->detail.source_info.start_line_or_addr.line_no;
else
line_or_addr.addr =
win_info->detail.source_info.start_line_or_addr.addr;
line_or_addr = win_info->detail.source_info.start_line_or_addr;
tui_free_win_content (&win_info->generic);
tui_update_source_window (win_info, cursal.symtab, line_or_addr, TRUE);
}
else if (deprecated_selected_frame != (struct frame_info *) NULL)
{
union tui_line_or_address line;
struct tui_line_or_address line;
struct symtab_and_line cursal = get_current_source_symtab_and_line ();
s = find_pc_symtab (get_frame_pc (deprecated_selected_frame));
if (win_info->generic.type == SRC_WIN)
line.line_no = cursal.line;
{
line.loa = LOA_LINE;
line.u.line_no = cursal.line;
}
else
{
find_line_pc (s, cursal.line, &line.addr);
line.loa = LOA_ADDRESS;
find_line_pc (s, cursal.line, &line.u.addr);
}
tui_update_source_window (win_info, s, line, TRUE);
}

54
gdb/tui/tui-winsource.c
View File

@ -41,6 +41,7 @@
#include "gdb_string.h"
#include "gdb_curses.h"
#include "gdb_assert.h"
/* Function to display the "main" routine. */
void
@ -71,7 +72,7 @@ tui_display_main (void)
initializes the horizontal scroll to 0. */
void
tui_update_source_window (struct tui_win_info * win_info, struct symtab *s,
union tui_line_or_address line_or_addr, int noerror)
struct tui_line_or_address line_or_addr, int noerror)
{
win_info->detail.source_info.horizontal_offset = 0;
tui_update_source_window_as_is (win_info, s, line_or_addr, noerror);
@ -84,14 +85,14 @@ tui_update_source_window (struct tui_win_info * win_info, struct symtab *s,
shows the source as specified by the horizontal offset. */
void
tui_update_source_window_as_is (struct tui_win_info * win_info, struct symtab *s,
union tui_line_or_address line_or_addr, int noerror)
struct tui_line_or_address line_or_addr, int noerror)
{
enum tui_status ret;
if (win_info->generic.type == SRC_WIN)
ret = tui_set_source_content (s, line_or_addr.line_no, noerror);
ret = tui_set_source_content (s, line_or_addr.u.line_no, noerror);
else
ret = tui_set_disassem_content (line_or_addr.addr);
ret = tui_set_disassem_content (line_or_addr.u.addr);
if (ret == TUI_FAILURE)
{
@ -107,7 +108,7 @@ tui_update_source_window_as_is (struct tui_win_info * win_info, struct symtab *s
{
struct symtab_and_line sal;
sal.line = line_or_addr.line_no +
sal.line = line_or_addr.u.line_no +
(win_info->generic.content_size - 2);
sal.symtab = s;
set_current_source_symtab_and_line (&sal);
@ -134,7 +135,7 @@ tui_update_source_windows_with_addr (CORE_ADDR addr)
if (addr != 0)
{
struct symtab_and_line sal;
union tui_line_or_address l;
struct tui_line_or_address l;
switch (tui_current_layout ())
{
@ -147,7 +148,8 @@ tui_update_source_windows_with_addr (CORE_ADDR addr)
break;
default:
sal = find_pc_line (addr, 0);
l.line_no = sal.line;
l.loa = LOA_LINE;
l.u.line_no = sal.line;
tui_show_symtab_source (sal.symtab, l, FALSE);
break;
}
@ -172,7 +174,7 @@ void
tui_update_source_windows_with_line (struct symtab *s, int line)
{
CORE_ADDR pc;
union tui_line_or_address l;
struct tui_line_or_address l;
switch (tui_current_layout ())
{
@ -182,7 +184,8 @@ tui_update_source_windows_with_line (struct symtab *s, int line)
tui_update_source_windows_with_addr (pc);
break;
default:
l.line_no = line;
l.loa = LOA_LINE;
l.u.line_no = line;
tui_show_symtab_source (s, l, FALSE);
if (tui_current_layout () == SRC_DISASSEM_COMMAND)
{
@ -336,7 +339,7 @@ tui_horizontal_source_scroll (struct tui_win_info * win_info,
/* Set or clear the has_break flag in the line whose line is line_no. */
void
tui_set_is_exec_point_at (union tui_line_or_address l, struct tui_win_info * win_info)
tui_set_is_exec_point_at (struct tui_line_or_address l, struct tui_win_info * win_info)
{
int changed = 0;
int i;
@ -346,8 +349,15 @@ tui_set_is_exec_point_at (union tui_line_or_address l, struct tui_win_info * win
while (i < win_info->generic.content_size)
{
int new_state;
struct tui_line_or_address content_loa =
content[i]->which_element.source.line_or_addr;
if (content[i]->which_element.source.line_or_addr.addr == l.addr)
gdb_assert (l.loa == LOA_ADDRESS || l.loa == LOA_LINE);
gdb_assert (content_loa.loa == LOA_LINE
|| content_loa.loa == LOA_ADDRESS);
if (content_loa.loa == l.loa
&& ((l.loa == LOA_LINE && content_loa.u.line_no == l.u.line_no)
|| (content_loa.u.addr == l.u.addr)))
new_state = TRUE;
else
new_state = FALSE;
@ -414,12 +424,16 @@ tui_update_breakpoint_info (struct tui_win_info * win, int current_only)
bp != (struct breakpoint *) NULL;
bp = bp->next)
{
gdb_assert (line->line_or_addr.loa == LOA_LINE
|| line->line_or_addr.loa == LOA_ADDRESS);
if ((win == TUI_SRC_WIN
&& bp->source_file
&& (strcmp (src->filename, bp->source_file) == 0)
&& bp->line_number == line->line_or_addr.line_no)
&& line->line_or_addr.loa == LOA_LINE
&& bp->line_number == line->line_or_addr.u.line_no)
|| (win == TUI_DISASM_WIN
&& bp->loc->address == line->line_or_addr.addr))
&& line->line_or_addr.loa == LOA_ADDRESS
&& bp->loc->address == line->line_or_addr.u.addr))
{
if (bp->enable_state == bp_disabled)
mode |= TUI_BP_DISABLED;
@ -614,8 +628,11 @@ tui_line_is_displayed (int line, struct tui_win_info * win_info,
while (i < win_info->generic.content_size - threshold && !is_displayed)
{
is_displayed = (((struct tui_win_element *)
win_info->generic.content[i])->which_element.source.line_or_addr.line_no
== (int) line);
win_info->generic.content[i])->which_element.source.line_or_addr.loa
== LOA_LINE)
&& (((struct tui_win_element *)
win_info->generic.content[i])->which_element.source.line_or_addr.u.line_no
== (int) line);
i++;
}
@ -640,8 +657,11 @@ tui_addr_is_displayed (CORE_ADDR addr, struct tui_win_info * win_info,
while (i < win_info->generic.content_size - threshold && !is_displayed)
{
is_displayed = (((struct tui_win_element *)
win_info->generic.content[i])->which_element.source.line_or_addr.addr
== addr);
win_info->generic.content[i])->which_element.source.line_or_addr.loa
== LOA_ADDRESS)
&& (((struct tui_win_element *)
win_info->generic.content[i])->which_element.source.line_or_addr.u.addr
== addr);
i++;
}

6
gdb/tui/tui-winsource.h
View File

@ -43,10 +43,10 @@ extern int tui_update_breakpoint_info (struct tui_win_info * win,
/* Function to display the "main" routine. */
extern void tui_display_main (void);
extern void tui_update_source_window (struct tui_win_info *, struct symtab *,
union tui_line_or_address, int);
struct tui_line_or_address, int);
extern void tui_update_source_window_as_is (struct tui_win_info *,
struct symtab *,
union tui_line_or_address, int);
struct tui_line_or_address, int);
extern void tui_update_source_windows_with_addr (CORE_ADDR);
extern void tui_update_source_windows_with_line (struct symtab *, int);
extern void tui_clear_source_content (struct tui_win_info *, int);
@ -60,7 +60,7 @@ extern void tui_erase_exec_info_content (struct tui_win_info *);
extern void tui_clear_exec_info_content (struct tui_win_info *);
extern void tui_update_exec_info (struct tui_win_info *);
extern void tui_set_is_exec_point_at (union tui_line_or_address,
extern void tui_set_is_exec_point_at (struct tui_line_or_address,
struct tui_win_info *);
extern enum tui_status tui_alloc_source_buffer (struct tui_win_info *);
extern int tui_line_is_displayed (int, struct tui_win_info *, int);