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authorAndrew Cagney <cagney@redhat.com>2004-01-19 04:31:53 +0000
committerAndrew Cagney <cagney@redhat.com>2004-01-19 04:31:53 +0000
commitd7b2e967192d91be81fae747b932a6c6d3737891 (patch)
treea656cf14265a3f3db4180520567e2faf2c50bcf9 /gdb/tui/tuiDisassem.c
parent997b095265d6d41787628c5c18d205e9ef9fb175 (diff)
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2004-01-18 Andrew Cagney <cagney@redhat.com>
* tui/tui-command.c: Rename tui/tuiCommand.c. * tui/tui-command.h: Rename tui/tuiCommand.h. * tui/tui-data.c: Rename tui/tuiData.c. * tui/tui-data.h: Rename tui/tuiData.h. * tui/tui-disasm.c: Rename tui/tuiDisassem.c. * tui/tui-disasm.h: Rename tui/tuiDisassem.h. * tui/tui-io.c: Rename tui/tuiIO.c. * tui/tui-io.h: Rename tui/tuiIO.h. * tui/tui-layout.c: Rename tui/tuiLayout.c. * tui/tui-layout.h: Rename tui/tuiLayout.h. * tui/tui-regs.c: Rename tui/tuiRegs.c. * tui/tui-regs.h: Rename tui/tuiRegs.h. * tui/tui-source.c: Rename tui/tuiSource.c. * tui/tui-source.h: Rename tui/tuiSource.h. * tui/tui-stack.c: Rename tui/tuiStack.c. * tui/tui-stack.h: Rename tui/tuiStack.h. * tui/tui-win.c: Rename tui/tuiWin.c. * tui/tui-win.h: Rename tui/tuiWin.h. * tui/tui-windata.c: Rename tui/tuiDataWin.c. * tui/tui-windata.h: Rename tui/tuiDataWin.h. * tui/tui-wingeneral.c: Rename tui/tuiGeneralWin.c. * tui/tui-wingeneral.h: Rename tui/tuiGeneralWin.h. * tui/tui-winsource.c: Rename tui/tuiSourceWin.c. * tui/tui-winsource.h: Rename tui/tuiSourceWin.h. * tui/tui-file.c: Update includes. * tui/tui-hooks.c: Update includes. * tui/tui-interp.c: Update includes. * tui/tui.c: Update includes. * Makefile.in: Update all tui/ dependencies. (SUBDIR_TUI_OBS, SUBDIR_TUI_SRCS): Update file names.
Diffstat (limited to 'gdb/tui/tuiDisassem.c')
-rw-r--r--gdb/tui/tuiDisassem.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/gdb/tui/tuiDisassem.c b/gdb/tui/tuiDisassem.c
deleted file mode 100644
index e36c5df..0000000
--- a/gdb/tui/tuiDisassem.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/* Disassembly display.
-
- Copyright 1998, 1999, 2000, 2001, 2002, 2003 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.h"
-#include "tuiData.h"
-#include "tuiWin.h"
-#include "tuiLayout.h"
-#include "tuiSourceWin.h"
-#include "tuiStack.h"
-#include "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. */
-TuiStatus
-tuiSetDisassemContent (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 = locatorWinInfoPtr ();
- int tab_len = tuiDefaultTabLen ();
- struct tui_asm_line* lines;
- int insn_pos;
- int addr_size, max_size;
- char* line;
-
- if (pc == 0)
- return TUI_FAILURE;
-
- ret = tuiAllocSourceBuffer (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;
-}
-
-
-/*
- ** tuiShowDisassem().
- ** Function to display the disassembly window with disassembled code.
- */
-void
-tuiShowDisassem (CORE_ADDR startAddr)
-{
- struct symtab *s = find_pc_symtab (startAddr);
- TuiWinInfoPtr winWithFocus = tuiWinWithFocus ();
- TuiLineOrAddress val;
-
- val.addr = startAddr;
- tuiAddWinToLayout (DISASSEM_WIN);
- tuiUpdateSourceWindow (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 (currentLayout () != SRC_DISASSEM_COMMAND && winWithFocus == srcWin)
- tuiSetWinFocusTo (disassemWin);
-
- return;
-} /* tuiShowDisassem */
-
-
-/*
- ** tuiShowDisassemAndUpdateSource().
- ** Function to display the disassembly window.
- */
-void
-tuiShowDisassemAndUpdateSource (CORE_ADDR startAddr)
-{
- struct symtab_and_line sal;
-
- tuiShowDisassem (startAddr);
- if (currentLayout () == 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;
- tuiUpdateSourceWindow (srcWin, sal.symtab, val, TRUE);
- if (sal.symtab)
- {
- set_current_source_symtab_and_line (&sal);
- tuiUpdateLocatorFilename (sal.symtab->filename);
- }
- else
- tuiUpdateLocatorFilename ("?");
- }
-
- return;
-} /* tuiShowDisassemAndUpdateSource */
-
-/*
- ** tuiGetBeginAsmAddress().
- */
-CORE_ADDR
-tuiGetBeginAsmAddress (void)
-{
- TuiGenWinInfoPtr locator;
- TuiLocatorElementPtr element;
- CORE_ADDR addr;
-
- locator = locatorWinInfoPtr ();
- 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;
-} /* tuiGetBeginAsmAddress */
-
-/* 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 = tuiDefaultWinViewportHeight (DISASSEM_WIN, DISASSEM_COMMAND) / 2;
- pc = tui_find_disassembly_address (pc, -pos);
-
- if (pc < low)
- pc = low;
- return pc;
-}
-
-/*
- ** tuiVerticalDisassemScroll().
- ** Scroll the disassembly forward or backward vertically
- */
-void
-tuiVerticalDisassemScroll (TuiScrollDirection 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);
- tuiUpdateSourceWindowAsIs (disassemWin, s, val, FALSE);
- }
-}