/* Scroll the source forward or backward vertically. */
void
tui_vertical_source_scroll (enum tui_scroll_direction scroll_direction,
int num_to_scroll)
{
if (TUI_SRC_WIN->generic.content != NULL)
{
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 ();
if (cursal.symtab == (struct symtab *) NULL)
s = find_pc_symtab (get_frame_pc (get_selected_frame (NULL)));
else
s = cursal.symtab;
l.loa = LOA_LINE;
if (scroll_direction == FORWARD_SCROLL)
{
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.u.line_no
= content[0]->which_element.source.line_or_addr.u.line_no;
}
else
{
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.u.line_no, l.u.line_no + 1, 0);
}
}
/* The idea here is to present a source-O-centric view of a
function to the user. This means that things are presented
in source order, with (possibly) out of order assembly
immediately following. */
static void
do_mixed_source_and_assembly (struct gdbarch *gdbarch, struct ui_out *uiout,
struct disassemble_info *di, int nlines,
struct linetable_entry *le,
CORE_ADDR low, CORE_ADDR high,
struct symtab *symtab,
int how_many, int flags, struct ui_stream *stb)
{
int newlines = 0;
struct dis_line_entry *mle;
struct symtab_and_line sal;
int i;
int out_of_order = 0;
int next_line = 0;
CORE_ADDR pc;
int num_displayed = 0;
struct cleanup *ui_out_chain;
struct cleanup *ui_out_tuple_chain = make_cleanup (null_cleanup, 0);
struct cleanup *ui_out_list_chain = make_cleanup (null_cleanup, 0);
mle = (struct dis_line_entry *) alloca (nlines
* sizeof (struct dis_line_entry));
/* Copy linetable entries for this function into our data
structure, creating end_pc's and setting out_of_order as
appropriate. */
/* First, skip all the preceding functions. */
for (i = 0; i < nlines - 1 && le[i].pc < low; i++);
/* Now, copy all entries before the end of this function. */
for (; i < nlines - 1 && le[i].pc < high; i++)
{
if (le[i].line == le[i + 1].line && le[i].pc == le[i + 1].pc)
continue; /* Ignore duplicates */
/* Skip any end-of-function markers. */
if (le[i].line == 0)
continue;
mle[newlines].line = le[i].line;
if (le[i].line > le[i + 1].line)
out_of_order = 1;
mle[newlines].start_pc = le[i].pc;
mle[newlines].end_pc = le[i + 1].pc;
newlines++;
}
/* If we're on the last line, and it's part of the function,
then we need to get the end pc in a special way. */
if (i == nlines - 1 && le[i].pc < high)
{
mle[newlines].line = le[i].line;
mle[newlines].start_pc = le[i].pc;
sal = find_pc_line (le[i].pc, 0);
mle[newlines].end_pc = sal.end;
newlines++;
}
/* Now, sort mle by line #s (and, then by addresses within
lines). */
if (out_of_order)
qsort (mle, newlines, sizeof (struct dis_line_entry), compare_lines);
/* Now, for each line entry, emit the specified lines (unless
they have been emitted before), followed by the assembly code
for that line. */
ui_out_chain = make_cleanup_ui_out_list_begin_end (uiout, "asm_insns");
for (i = 0; i < newlines; i++)
{
/* Print out everything from next_line to the current line. */
if (mle[i].line >= next_line)
{
if (next_line != 0)
{
/* Just one line to print. */
if (next_line == mle[i].line)
{
ui_out_tuple_chain
= make_cleanup_ui_out_tuple_begin_end (uiout,
"src_and_asm_line");
print_source_lines (symtab, next_line, mle[i].line + 1, 0);
}
else
{
/* Several source lines w/o asm instructions associated. */
for (; next_line < mle[i].line; next_line++)
{
struct cleanup *ui_out_list_chain_line;
struct cleanup *ui_out_tuple_chain_line;
ui_out_tuple_chain_line
= make_cleanup_ui_out_tuple_begin_end (uiout,
"src_and_asm_line");
print_source_lines (symtab, next_line, next_line + 1,
0);
ui_out_list_chain_line
= make_cleanup_ui_out_list_begin_end (uiout,
"line_asm_insn");
do_cleanups (ui_out_list_chain_line);
do_cleanups (ui_out_tuple_chain_line);
}
/* Print the last line and leave list open for
asm instructions to be added. */
ui_out_tuple_chain
= make_cleanup_ui_out_tuple_begin_end (uiout,
"src_and_asm_line");
print_source_lines (symtab, next_line, mle[i].line + 1, 0);
}
}
else
{
ui_out_tuple_chain
= make_cleanup_ui_out_tuple_begin_end (uiout, "src_and_asm_line");
print_source_lines (symtab, mle[i].line, mle[i].line + 1, 0);
}
next_line = mle[i].line + 1;
ui_out_list_chain
= make_cleanup_ui_out_list_begin_end (uiout, "line_asm_insn");
}
num_displayed += dump_insns (gdbarch, uiout, di,
mle[i].start_pc, mle[i].end_pc,
how_many, flags, stb);
/* When we've reached the end of the mle array, or we've seen the last
assembly range for this source line, close out the list/tuple. */
if (i == (newlines - 1) || mle[i + 1].line > mle[i].line)
{
do_cleanups (ui_out_list_chain);
do_cleanups (ui_out_tuple_chain);
ui_out_tuple_chain = make_cleanup (null_cleanup, 0);
ui_out_list_chain = make_cleanup (null_cleanup, 0);
ui_out_text (uiout, "\n");
}
if (how_many >= 0 && num_displayed >= how_many)
break;
}
do_cleanups (ui_out_chain);
}
