mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-14 04:43:38 +08:00
dd1abb8c9e
* tui/tui-data.h (struct tui_list): Rename _TuiList. (enum tui_data_type): Rename _TuiDataType. (struct tui_layout_def): Rename _TuiLayoutDef. (struct tui_source_element): Rename _TuiSourceElement. (struct tui_data_element): Rename _TuiDataElement. (struct tui_command_element): Rename _TuiCommandElement. (struct tui_locator_element): Rename _TuiLocatorElement. (union tui_which_element): Define. (struct tui_win_element): Rename _TuiWinElement. (struct tui_data_info): Rename _TuiDataInfo. (struct tui_source_info): Rename _TuiSourceInfo. (struct tui_command_info): Rename _TuiCommandInfo. (tui_initialize_static_data): Rename initializeStaticData. (tui_alloc_generic_win_info): Rename allocGenericWinInfo. (tui_alloc_win_info): Rename allocWinInfo. (tui_init_generic_part): Rename initGenericPart. (tui_init_win_info): Rename initWinInfo. (tui_alloc_content): Rename allocContent. (tui_add_content_elements): Rename addContentElements. (tui_init_content_element): Rename initContentElement. (tui_free_window): Rename freeWindow. (tui_free_win_content): Rename freeWinContent. (tui_free_data_content): Rename freeDataContent. (tui_free_all_source_wins_content): Rename freeAllSourceWinsContent. (tui_del_window): Rename tuiDelWindow. (tui_del_data_windows): Rename tuiDelDataWindows. (tui_partial_win_by_name): Rename partialWinByName. (tui_win_name): Rename winName. (tui_current_layout): Rename currentLayout. (tui_set_current_layout_to): Rename setCurrentLayoutTo. (tui_term_height): Rename termHeight. (tui_set_term_height_to): Rename setTermHeightTo. (tui_term_width): Rename termWidth. (tui_set_term_width_to): Rename setTermWidthTo. (tui_set_gen_win_origin): Rename setGenWinOrigin. (tui_locator_win_info_ptr): Rename locatorWinInfoPtr. (tui_source_exec_info_win_ptr): Rename tui_gen_win_info. (tui_disassem_exec_info_win_ptr): Rename disassemExecInfoWinPtr. (tui_source_windows): Rename sourceWindows. (tui_clear_source_windows): Rename clearSourceWindows. (tui_clear_source_windows_detail): Rename clearSourceWindowsDetail. (tui_clear_win_detail): Rename clearWinDetail. (tui_add_to_source_windows): Rename tuiAddToSourceWindows. (tui_default_tab_len): Rename tuiDefaultTabLen. (tui_set_default_tab_len): Rename tuiSetDefaultTabLen. (tui_win_with_focus): Rename tuiWinWithFocus. (tui_set_win_with_focus): Rename tuiSetWinWithFocus. (tui_layout_def): Rename tuiLayoutDef. (tui_win_resized): Rename tuiWinResized. (tui_set_win_resized_to): Rename tuiSetWinResizedTo. (tui_next_win): Rename tuiNextWin. (tui_prev_win): Rename tuiPrevWin. (tui_add_to_source_windows): Rename addToSourceWindows. * tui/tui-winsource.c, tui/tui-win.c: Update references. * tui/tui-layout.c, tui/tui-source.c: Ditto. * tui/tui-stack.c, tui/tui-io.c: Ditto. * tui/tui.c, tui/tui-data.c: Ditto. * tui/tui-interp.c, tui/tui-data.c: Ditto. * tui/tui-disasm.c, tui/tui-command.c: Ditto.
404 lines
11 KiB
C
404 lines
11 KiB
C
/* Disassembly display.
|
|
|
|
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
|
|
Foundation, Inc.
|
|
|
|
Contributed by Hewlett-Packard Company.
|
|
|
|
This file is part of GDB.
|
|
|
|
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 2 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, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include "defs.h"
|
|
#include "symtab.h"
|
|
#include "breakpoint.h"
|
|
#include "frame.h"
|
|
#include "value.h"
|
|
#include "source.h"
|
|
#include "disasm.h"
|
|
|
|
#include "tui/tui.h"
|
|
#include "tui/tui-data.h"
|
|
#include "tui/tui-win.h"
|
|
#include "tui/tui-layout.h"
|
|
#include "tui/tui-winsource.h"
|
|
#include "tui/tui-stack.h"
|
|
#include "tui/tui-file.h"
|
|
|
|
#ifdef HAVE_NCURSES_H
|
|
#include <ncurses.h>
|
|
#else
|
|
#ifdef HAVE_CURSES_H
|
|
#include <curses.h>
|
|
#endif
|
|
#endif
|
|
|
|
struct tui_asm_line
|
|
{
|
|
CORE_ADDR addr;
|
|
char* addr_string;
|
|
char* insn;
|
|
};
|
|
|
|
/* Function to set the disassembly window's content.
|
|
Disassemble count lines starting at pc.
|
|
Return address of the count'th instruction after pc. */
|
|
static CORE_ADDR
|
|
tui_disassemble (struct tui_asm_line* lines, CORE_ADDR pc, int count)
|
|
{
|
|
struct ui_file *gdb_dis_out;
|
|
|
|
/* now init the ui_file structure */
|
|
gdb_dis_out = tui_sfileopen (256);
|
|
|
|
/* Now construct each line */
|
|
for (; count > 0; count--, lines++)
|
|
{
|
|
if (lines->addr_string)
|
|
xfree (lines->addr_string);
|
|
if (lines->insn)
|
|
xfree (lines->insn);
|
|
|
|
print_address (pc, gdb_dis_out);
|
|
lines->addr = pc;
|
|
lines->addr_string = xstrdup (tui_file_get_strbuf (gdb_dis_out));
|
|
|
|
ui_file_rewind (gdb_dis_out);
|
|
|
|
pc = pc + gdb_print_insn (pc, gdb_dis_out);
|
|
|
|
lines->insn = xstrdup (tui_file_get_strbuf (gdb_dis_out));
|
|
|
|
/* reset the buffer to empty */
|
|
ui_file_rewind (gdb_dis_out);
|
|
}
|
|
ui_file_delete (gdb_dis_out);
|
|
return pc;
|
|
}
|
|
|
|
/* Find the disassembly address that corresponds to FROM lines
|
|
above or below the PC. Variable sized instructions are taken
|
|
into account by the algorithm. */
|
|
static CORE_ADDR
|
|
tui_find_disassembly_address (CORE_ADDR pc, int from)
|
|
{
|
|
register CORE_ADDR newLow;
|
|
int maxLines;
|
|
int i;
|
|
struct tui_asm_line* lines;
|
|
|
|
maxLines = (from > 0) ? from : - from;
|
|
if (maxLines <= 1)
|
|
return pc;
|
|
|
|
lines = (struct tui_asm_line*) alloca (sizeof (struct tui_asm_line)
|
|
* maxLines);
|
|
memset (lines, 0, sizeof (struct tui_asm_line) * maxLines);
|
|
|
|
newLow = pc;
|
|
if (from > 0)
|
|
{
|
|
tui_disassemble (lines, pc, maxLines);
|
|
newLow = lines[maxLines - 1].addr;
|
|
}
|
|
else
|
|
{
|
|
CORE_ADDR last_addr;
|
|
int pos;
|
|
struct minimal_symbol* msymbol;
|
|
|
|
/* Find backward an address which is a symbol
|
|
and for which disassembling from that address will fill
|
|
completely the window. */
|
|
pos = maxLines - 1;
|
|
do {
|
|
newLow -= 1 * maxLines;
|
|
msymbol = lookup_minimal_symbol_by_pc_section (newLow, 0);
|
|
|
|
if (msymbol)
|
|
newLow = SYMBOL_VALUE_ADDRESS (msymbol);
|
|
else
|
|
newLow += 1 * maxLines;
|
|
|
|
tui_disassemble (lines, newLow, maxLines);
|
|
last_addr = lines[pos].addr;
|
|
} while (last_addr > pc && msymbol);
|
|
|
|
/* Scan forward disassembling one instruction at a time
|
|
until the last visible instruction of the window
|
|
matches the pc. We keep the disassembled instructions
|
|
in the 'lines' window and shift it downward (increasing
|
|
its addresses). */
|
|
if (last_addr < pc)
|
|
do
|
|
{
|
|
CORE_ADDR next_addr;
|
|
|
|
pos++;
|
|
if (pos >= maxLines)
|
|
pos = 0;
|
|
|
|
next_addr = tui_disassemble (&lines[pos], last_addr, 1);
|
|
|
|
/* If there are some problems while disassembling exit. */
|
|
if (next_addr <= last_addr)
|
|
break;
|
|
last_addr = next_addr;
|
|
} while (last_addr <= pc);
|
|
pos++;
|
|
if (pos >= maxLines)
|
|
pos = 0;
|
|
newLow = lines[pos].addr;
|
|
}
|
|
for (i = 0; i < maxLines; i++)
|
|
{
|
|
xfree (lines[i].addr_string);
|
|
xfree (lines[i].insn);
|
|
}
|
|
return newLow;
|
|
}
|
|
|
|
/* Function to set the disassembly window's content. */
|
|
enum tui_status
|
|
tui_set_disassem_content (CORE_ADDR pc)
|
|
{
|
|
TuiStatus ret = TUI_FAILURE;
|
|
register int i;
|
|
register int offset = disassemWin->detail.sourceInfo.horizontalOffset;
|
|
register int lineWidth, maxLines;
|
|
CORE_ADDR cur_pc;
|
|
TuiGenWinInfoPtr locator = tui_locator_win_info_ptr ();
|
|
int tab_len = tui_default_tab_len ();
|
|
struct tui_asm_line* lines;
|
|
int insn_pos;
|
|
int addr_size, max_size;
|
|
char* line;
|
|
|
|
if (pc == 0)
|
|
return TUI_FAILURE;
|
|
|
|
ret = tui_alloc_source_buffer (disassemWin);
|
|
if (ret != TUI_SUCCESS)
|
|
return ret;
|
|
|
|
disassemWin->detail.sourceInfo.startLineOrAddr.addr = pc;
|
|
cur_pc = (CORE_ADDR)
|
|
(((TuiWinElementPtr) locator->content[0])->whichElement.locator.addr);
|
|
|
|
maxLines = disassemWin->generic.height - 2; /* account for hilite */
|
|
|
|
/* Get temporary table that will hold all strings (addr & insn). */
|
|
lines = (struct tui_asm_line*) alloca (sizeof (struct tui_asm_line)
|
|
* maxLines);
|
|
memset (lines, 0, sizeof (struct tui_asm_line) * maxLines);
|
|
|
|
lineWidth = disassemWin->generic.width - 1;
|
|
|
|
tui_disassemble (lines, pc, maxLines);
|
|
|
|
/* See what is the maximum length of an address and of a line. */
|
|
addr_size = 0;
|
|
max_size = 0;
|
|
for (i = 0; i < maxLines; i++)
|
|
{
|
|
size_t len = strlen (lines[i].addr_string);
|
|
if (len > addr_size)
|
|
addr_size = len;
|
|
|
|
len = strlen (lines[i].insn) + tab_len;
|
|
if (len > max_size)
|
|
max_size = len;
|
|
}
|
|
max_size += addr_size + tab_len;
|
|
|
|
/* Allocate memory to create each line. */
|
|
line = (char*) alloca (max_size);
|
|
insn_pos = (1 + (addr_size / tab_len)) * tab_len;
|
|
|
|
/* Now construct each line */
|
|
for (i = 0; i < maxLines; i++)
|
|
{
|
|
TuiWinElementPtr element;
|
|
TuiSourceElement* src;
|
|
int curLen;
|
|
|
|
element = (TuiWinElementPtr) disassemWin->generic.content[i];
|
|
src = &element->whichElement.source;
|
|
strcpy (line, lines[i].addr_string);
|
|
curLen = strlen (line);
|
|
|
|
/* Add spaces to make the instructions start on the same column */
|
|
while (curLen < insn_pos)
|
|
{
|
|
strcat (line, " ");
|
|
curLen++;
|
|
}
|
|
|
|
strcat (line, lines[i].insn);
|
|
|
|
/* Now copy the line taking the offset into account */
|
|
if (strlen (line) > offset)
|
|
strcpy (src->line, &line[offset]);
|
|
else
|
|
src->line[0] = '\0';
|
|
|
|
src->lineOrAddr.addr = lines[i].addr;
|
|
src->isExecPoint = lines[i].addr == cur_pc;
|
|
|
|
/* See whether there is a breakpoint installed. */
|
|
src->hasBreak = (!src->isExecPoint
|
|
&& breakpoint_here_p (pc) != no_breakpoint_here);
|
|
|
|
xfree (lines[i].addr_string);
|
|
xfree (lines[i].insn);
|
|
}
|
|
disassemWin->generic.contentSize = i;
|
|
return TUI_SUCCESS;
|
|
}
|
|
|
|
|
|
/* Function to display the disassembly window with disassembled code. */
|
|
void
|
|
tui_show_disassem (CORE_ADDR startAddr)
|
|
{
|
|
struct symtab *s = find_pc_symtab (startAddr);
|
|
TuiWinInfoPtr winWithFocus = tui_win_with_focus ();
|
|
TuiLineOrAddress val;
|
|
|
|
val.addr = startAddr;
|
|
tui_add_win_to_layout (DISASSEM_WIN);
|
|
tui_update_source_window (disassemWin, s, val, FALSE);
|
|
/*
|
|
** if the focus was in the src win, put it in the asm win, if the
|
|
** source view isn't split
|
|
*/
|
|
if (tui_current_layout () != SRC_DISASSEM_COMMAND && winWithFocus == srcWin)
|
|
tui_set_win_focus_to (disassemWin);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
/* Function to display the disassembly window. */
|
|
void
|
|
tui_show_disassem_and_update_source (CORE_ADDR startAddr)
|
|
{
|
|
struct symtab_and_line sal;
|
|
|
|
tui_show_disassem (startAddr);
|
|
if (tui_current_layout () == SRC_DISASSEM_COMMAND)
|
|
{
|
|
TuiLineOrAddress 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 (startAddr, 0);
|
|
val.lineNo = sal.line;
|
|
tui_update_source_window (srcWin, sal.symtab, val, TRUE);
|
|
if (sal.symtab)
|
|
{
|
|
set_current_source_symtab_and_line (&sal);
|
|
tui_update_locator_filename (sal.symtab->filename);
|
|
}
|
|
else
|
|
tui_update_locator_filename ("?");
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
CORE_ADDR
|
|
tui_get_begin_asm_address (void)
|
|
{
|
|
TuiGenWinInfoPtr locator;
|
|
TuiLocatorElementPtr element;
|
|
CORE_ADDR addr;
|
|
|
|
locator = tui_locator_win_info_ptr ();
|
|
element = &((TuiWinElementPtr) locator->content[0])->whichElement.locator;
|
|
|
|
if (element->addr == 0)
|
|
{
|
|
struct minimal_symbol *main_symbol;
|
|
|
|
/* Find address of the start of program.
|
|
Note: this should be language specific. */
|
|
main_symbol = lookup_minimal_symbol ("main", NULL, NULL);
|
|
if (main_symbol == 0)
|
|
main_symbol = lookup_minimal_symbol ("MAIN", NULL, NULL);
|
|
if (main_symbol == 0)
|
|
main_symbol = lookup_minimal_symbol ("_start", NULL, NULL);
|
|
if (main_symbol)
|
|
addr = SYMBOL_VALUE_ADDRESS (main_symbol);
|
|
else
|
|
addr = 0;
|
|
}
|
|
else /* the target is executing */
|
|
addr = element->addr;
|
|
|
|
return addr;
|
|
}
|
|
|
|
/* Determine what the low address will be to display in the TUI's
|
|
disassembly window. This may or may not be the same as the
|
|
low address input. */
|
|
CORE_ADDR
|
|
tuiGetLowDisassemblyAddress (CORE_ADDR low, CORE_ADDR pc)
|
|
{
|
|
int pos;
|
|
|
|
/* Determine where to start the disassembly so that the pc is about in the
|
|
middle of the viewport. */
|
|
pos = tui_default_win_viewport_height (DISASSEM_WIN, DISASSEM_COMMAND) / 2;
|
|
pc = tui_find_disassembly_address (pc, -pos);
|
|
|
|
if (pc < low)
|
|
pc = low;
|
|
return pc;
|
|
}
|
|
|
|
/* Scroll the disassembly forward or backward vertically. */
|
|
void
|
|
tui_vertical_disassem_scroll (enum tui_scroll_direction scrollDirection,
|
|
int numToScroll)
|
|
{
|
|
if (disassemWin->generic.content != (OpaquePtr) NULL)
|
|
{
|
|
CORE_ADDR pc;
|
|
TuiWinContent content;
|
|
struct symtab *s;
|
|
TuiLineOrAddress val;
|
|
int maxLines, dir;
|
|
struct symtab_and_line cursal = get_current_source_symtab_and_line ();
|
|
|
|
content = (TuiWinContent) disassemWin->generic.content;
|
|
if (cursal.symtab == (struct symtab *) NULL)
|
|
s = find_pc_symtab (get_frame_pc (deprecated_selected_frame));
|
|
else
|
|
s = cursal.symtab;
|
|
|
|
/* account for hilite */
|
|
maxLines = disassemWin->generic.height - 2;
|
|
pc = content[0]->whichElement.source.lineOrAddr.addr;
|
|
dir = (scrollDirection == FORWARD_SCROLL) ? maxLines : - maxLines;
|
|
|
|
val.addr = tui_find_disassembly_address (pc, dir);
|
|
tui_update_source_window_as_is (disassemWin, s, val, FALSE);
|
|
}
|
|
}
|