/* Disassembly display.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
- Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009
+ Free Software Foundation, Inc.
Contributed by Hewlett-Packard Company.
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
+ 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,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
struct tui_asm_line
{
CORE_ADDR addr;
- char* addr_string;
- char* insn;
+ 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* asm_lines, CORE_ADDR pc, int count)
+tui_disassemble (struct tui_asm_line *asm_lines,
+ CORE_ADDR pc, int count)
{
struct ui_file *gdb_dis_out;
- /* now init the ui_file structure */
+ /* Now init the ui_file structure. */
gdb_dis_out = tui_sfileopen (256);
- /* Now construct each line */
+ /* Now construct each line. */
for (; count > 0; count--, asm_lines++)
{
if (asm_lines->addr_string)
ui_file_rewind (gdb_dis_out);
- pc = pc + gdb_print_insn (pc, gdb_dis_out);
+ pc = pc + gdb_print_insn (pc, gdb_dis_out, NULL);
asm_lines->insn = xstrdup (tui_file_get_strbuf (gdb_dis_out));
- /* reset the buffer to empty */
+ /* 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. */
+/* 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)
{
CORE_ADDR new_low;
int max_lines;
int i;
- struct tui_asm_line* asm_lines;
+ struct tui_asm_line *asm_lines;
max_lines = (from > 0) ? from : - from;
if (max_lines <= 1)
{
CORE_ADDR last_addr;
int pos;
- struct minimal_symbol* msymbol;
+ struct minimal_symbol *msymbol;
- /* Find backward an address which is a symbol
- and for which disassembling from that address will fill
- completely the window. */
+ /* Find backward an address which is a symbol and for which
+ disassembling from that address will fill completely the
+ window. */
pos = max_lines - 1;
do {
new_low -= 1 * max_lines;
last_addr = asm_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). */
+ /* 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
{
int offset = TUI_DISASM_WIN->detail.source_info.horizontal_offset;
int line_width, max_lines;
CORE_ADDR cur_pc;
- struct tui_gen_win_info * locator = tui_locator_win_info_ptr ();
+ struct tui_gen_win_info *locator = tui_locator_win_info_ptr ();
int tab_len = tui_default_tab_len ();
- struct tui_asm_line* asm_lines;
+ struct tui_asm_line *asm_lines;
int insn_pos;
int addr_size, max_size;
- char* line;
+ char *line;
if (pc == 0)
return TUI_FAILURE;
cur_pc = (CORE_ADDR)
(((struct tui_win_element *) locator->content[0])->which_element.locator.addr);
- max_lines = TUI_DISASM_WIN->generic.height - 2; /* account for hilite */
+ max_lines = TUI_DISASM_WIN->generic.height - 2; /* Account for
+ hilite. */
/* Get temporary table that will hold all strings (addr & insn). */
asm_lines = (struct tui_asm_line*) alloca (sizeof (struct tui_asm_line)
line = (char*) alloca (max_size);
insn_pos = (1 + (addr_size / tab_len)) * tab_len;
- /* Now construct each line */
+ /* Now construct each line. */
for (i = 0; i < max_lines; i++)
{
- struct tui_win_element * element;
- struct tui_source_element* src;
+ struct tui_win_element *element;
+ struct tui_source_element *src;
int cur_len;
element = (struct tui_win_element *) TUI_DISASM_WIN->generic.content[i];
strcpy (line, asm_lines[i].addr_string);
cur_len = strlen (line);
- /* Add spaces to make the instructions start on the same column */
+ /* Add spaces to make the instructions start on the same
+ column. */
while (cur_len < insn_pos)
{
strcat (line, " ");
strcat (line, asm_lines[i].insn);
- /* Now copy the line taking the offset into account */
+ /* Now copy the line taking the offset into account. */
if (strlen (line) > offset)
strcpy (src->line, &line[offset]);
else
}
-/* Function to display the disassembly window with disassembled code. */
+/* Function to display the disassembly window with disassembled code. */
void
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 ();
+ struct tui_win_info *win_with_focus = tui_win_with_focus ();
struct tui_line_or_address val;
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);
- /*
- ** 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 && win_with_focus == TUI_SRC_WIN)
+
+ /* 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
+ && win_with_focus == TUI_SRC_WIN)
tui_set_win_focus_to (TUI_DISASM_WIN);
return;
}
-/* Function to display the disassembly window. */
+/* Function to display the disassembly window. */
void
tui_show_disassem_and_update_source (CORE_ADDR start_addr)
{
{
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
- */
+ /* 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.loa = LOA_LINE;
val.u.line_no = sal.line;
CORE_ADDR
tui_get_begin_asm_address (void)
{
- struct tui_gen_win_info * locator;
- struct tui_locator_element * element;
+ struct tui_gen_win_info *locator;
+ struct tui_locator_element *element;
CORE_ADDR addr;
locator = tui_locator_win_info_ptr ();
else
addr = 0;
}
- else /* the target is executing */
+ 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. */
+ disassembly window. This may or may not be the same as the low
+ address input. */
CORE_ADDR
-tui_get_low_disassembly_address (CORE_ADDR low, CORE_ADDR pc)
+tui_get_low_disassembly_address (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. */
+ /* 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);
content = (tui_win_content) TUI_DISASM_WIN->generic.content;
if (cursal.symtab == (struct symtab *) NULL)
- s = find_pc_symtab (get_frame_pc (deprecated_selected_frame));
+ s = find_pc_symtab (get_frame_pc (get_selected_frame (NULL)));
else
s = cursal.symtab;
- /* account for hilite */
+ /* Account for hilite. */
max_lines = TUI_DISASM_WIN->generic.height - 2;
pc = content[0]->which_element.source.line_or_addr.u.addr;
dir = (scroll_direction == FORWARD_SCROLL) ? max_lines : - max_lines;
projects / deliverable / binutils-gdb.git / blobdiff