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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/tui/tuiDisassem.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/tui/tuiDisassem.c')
-rw-r--r--gdb/tui/tuiDisassem.c343
1 files changed, 0 insertions, 343 deletions
diff --git a/gdb/tui/tuiDisassem.c b/gdb/tui/tuiDisassem.c
deleted file mode 100644
index ad0b70f..0000000
--- a/gdb/tui/tuiDisassem.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
-** tuiDisassem.c
-** This module contains functions for handling disassembly display.
-*/
-
-
-#include "defs.h"
-#include "symtab.h"
-#include "breakpoint.h"
-#include "frame.h"
-
-#include "tui.h"
-#include "tuiData.h"
-#include "tuiLayout.h"
-#include "tuiSourceWin.h"
-#include "tuiStack.h"
-
-
-/*****************************************
-** STATIC LOCAL FUNCTIONS FORWARD DECLS **
-******************************************/
-
-static struct breakpoint *_hasBreak PARAMS ((CORE_ADDR));
-
-
-/*****************************************
-** PUBLIC FUNCTIONS **
-******************************************/
-
-/*
-** tuiSetDisassemContent().
-** Function to set the disassembly window's content.
-*/
-TuiStatus
-#ifdef __STDC__
-tuiSetDisassemContent (
- struct symtab *s,
- Opaque startAddr)
-#else
- tuiSetDisassemContent (s, startAddr)
- struct symtab *s;
- Opaque startAddr;
-#endif
-{
- TuiStatus ret = TUI_FAILURE;
- GDB_FILE *gdb_dis_out;
-
- if (startAddr != (Opaque) NULL)
- {
- register int i, desc;
-
- if ((ret = tuiAllocSourceBuffer (disassemWin)) == TUI_SUCCESS)
- {
- register int offset = disassemWin->detail.sourceInfo.horizontalOffset;
- register int threshold, curLine = 0, lineWidth, maxLines;
- CORE_ADDR newpc, pc;
- disassemble_info asmInfo;
- TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
- extern void strcat_address PARAMS ((CORE_ADDR, char *, int));
- extern void strcat_address_numeric PARAMS ((CORE_ADDR, int, char *, int));
- int curLen = 0;
- int tab_len = tuiDefaultTabLen ();
-
- maxLines = disassemWin->generic.height - 2; /* account for hilite */
- lineWidth = disassemWin->generic.width - 1;
- threshold = (lineWidth - 1) + offset;
-
- /* now init the gdb_file structure */
- gdb_dis_out = gdb_file_init_astring (threshold);
-
- INIT_DISASSEMBLE_INFO_NO_ARCH (asmInfo, gdb_dis_out, (fprintf_ftype) fprintf_filtered);
- asmInfo.read_memory_func = dis_asm_read_memory;
- asmInfo.memory_error_func = dis_asm_memory_error;
-
- disassemWin->detail.sourceInfo.startLineOrAddr.addr = startAddr;
-
- /* Now construct each line */
- for (curLine = 0, pc = (CORE_ADDR) startAddr; (curLine < maxLines);)
- {
- TuiWinElementPtr element = (TuiWinElementPtr)disassemWin->generic.content[curLine];
- struct breakpoint *bp;
-
- print_address (pc, gdb_dis_out);
-
- curLen = strlen (gdb_file_get_strbuf (gdb_dis_out));
- i = curLen - ((curLen / tab_len) * tab_len);
-
- /* adjust buffer length if necessary */
- gdb_file_adjust_strbuf ((tab_len - i > 0) ? (tab_len - i ) : 0, gdb_dis_out);
-
- /* Add spaces to make the instructions start onthe same column */
- while (i < tab_len)
- {
- gdb_file_get_strbuf (gdb_dis_out)[curLen] = ' ';
- i++;
- curLen++;
- }
- gdb_file_get_strbuf (gdb_dis_out)[curLen] = '\0';
-
- newpc = pc + ((*tm_print_insn) (pc, &asmInfo));
-
- /* Now copy the line taking the offset into account */
- if (strlen (gdb_file_get_strbuf (gdb_dis_out)) > offset)
- strcpy (element->whichElement.source.line,
- &(gdb_file_get_strbuf (gdb_dis_out)[offset]));
- else
- element->whichElement.source.line[0] = '\0';
- element->whichElement.source.lineOrAddr.addr = (Opaque) pc;
- element->whichElement.source.isExecPoint =
- (pc == (CORE_ADDR) ((TuiWinElementPtr)locator->content[0])->whichElement.locator.addr);
- bp = _hasBreak (pc);
- element->whichElement.source.hasBreak =
- (bp != (struct breakpoint *) NULL &&
- (!element->whichElement.source.isExecPoint ||
- (bp->disposition != del || bp->hit_count <= 0)));
- curLine++;
- pc = newpc;
- /* reset the buffer to empty */
- gdb_file_get_strbuf (gdb_dis_out)[0] = '\0';
- }
- gdb_file_deallocate (&gdb_dis_out);
- disassemWin->generic.contentSize = curLine;
- ret = TUI_SUCCESS;
- }
- }
-
- return ret;
-} /* tuiSetDisassemContent */
-
-
-/*
-** tuiShowDisassem().
-** Function to display the disassembly window with disassembled code.
-*/
-void
-#ifdef __STDC__
-tuiShowDisassem (
- Opaque startAddr)
-#else
-tuiShowDisassem (startAddr)
- Opaque startAddr;
-#endif
-{
- struct symtab *s = find_pc_symtab ((CORE_ADDR) startAddr);
- TuiWinInfoPtr winWithFocus = tuiWinWithFocus ();
-
- tuiAddWinToLayout (DISASSEM_WIN);
- tuiUpdateSourceWindow (disassemWin, s, startAddr, 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
-#ifdef __STDC__
-tuiShowDisassemAndUpdateSource (
- Opaque startAddr)
-#else
-tuiShowDisassemAndUpdateSource (startAddr)
- Opaque startAddr;
-#endif
-{
- struct symtab_and_line sal;
-
- tuiShowDisassem (startAddr);
- if (currentLayout () == SRC_DISASSEM_COMMAND)
- {
- TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
- /*
- ** 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 ((CORE_ADDR) startAddr, 0);
- current_source_symtab = sal.symtab;
- tuiUpdateSourceWindow (srcWin, sal.symtab, (Opaque) sal.line, TRUE);
- tuiUpdateLocatorFilename (sal.symtab->filename);
- }
-
- return;
-} /* tuiShowDisassemAndUpdateSource */
-
-
-/*
-** tuiShowDisassemAsIs().
-** Function to display the disassembly window. This function shows
-** the disassembly as specified by the horizontal offset.
-*/
-void
-#ifdef __STDC__
-tuiShowDisassemAsIs (
- Opaque addr)
-#else
-tuiShowDisassemAsIs (addr)
- Opaque addr;
-#endif
-{
- tuiAddWinToLayout (DISASSEM_WIN);
- tuiUpdateSourceWindowAsIs (disassemWin, (struct symtab *) NULL, addr, FALSE);
- /*
- ** Update what is in the source window if it is displayed too, not that it
- ** follows what is in the disassembly window and visa-versa
- */
- if (currentLayout () == SRC_DISASSEM_COMMAND)
- tuiShowSourceContent (srcWin); /*???? Need to do more? */
-
- return;
-} /* tuiShowDisassem */
-
-
-/*
-** tuiGetBeginAsmAddress().
-*/
-Opaque
-#ifdef __STDC__
-tuiGetBeginAsmAddress (void)
-#else
-tuiGetBeginAsmAddress ()
-#endif
-{
- TuiGenWinInfoPtr locator;
- TuiLocatorElementPtr element;
- Opaque addr;
-
- locator = locatorWinInfoPtr ();
- element = &((TuiWinElementPtr) locator->content[0])->whichElement.locator;
-
- if (element->addr == (Opaque) 0)
- {
- /*the target is not executing, because the pc is 0*/
-
- addr = (Opaque) parse_and_eval_address ("main");
-
- if (addr == (Opaque) 0)
- addr = (Opaque) parse_and_eval_address ("MAIN");
-
- }
- else /* the target is executing */
- addr = element->addr;
-
- return addr;
-} /* tuiGetBeginAsmAddress */
-
-
-/*
-** tuiVerticalDisassemScroll().
-** Scroll the disassembly forward or backward vertically
-*/
-void
-#ifdef __STDC__
-tuiVerticalDisassemScroll (
- TuiScrollDirection scrollDirection,
- int numToScroll)
-#else
-tuiVerticalDisassemScroll (scrollDirection, numToScroll)
- TuiScrollDirection scrollDirection;
- int numToScroll;
-#endif
-{
- if (disassemWin->generic.content != (OpaquePtr) NULL)
- {
- Opaque pc, lowAddr;
- TuiWinContent content;
- struct symtab *s;
-
- content = (TuiWinContent) disassemWin->generic.content;
- if (current_source_symtab == (struct symtab *) NULL)
- s = find_pc_symtab (selected_frame->pc);
- else
- s = current_source_symtab;
-
- pc = content[0]->whichElement.source.lineOrAddr.addr;
- if (find_pc_partial_function ((CORE_ADDR) pc,
- (char **) NULL,
- (CORE_ADDR *) & lowAddr,
- (CORE_ADDR) NULL) == 0)
- error ("No function contains prgram counter for selected frame.\n");
- else
- {
- register int line = 0;
- register Opaque newLow;
- bfd_byte buffer[4];
-
- newLow = pc;
- if (scrollDirection == FORWARD_SCROLL)
- {
- for (; line < numToScroll; line++)
- newLow += sizeof (bfd_getb32 (buffer));
- }
- else
- {
- for (; newLow >= (Opaque) 0 && line < numToScroll; line++)
- newLow -= sizeof (bfd_getb32 (buffer));
- }
- tuiUpdateSourceWindowAsIs (disassemWin, s, newLow, FALSE);
- }
- }
-
- return;
-} /* tuiVerticalDisassemScroll */
-
-
-
-/*****************************************
-** STATIC LOCAL FUNCTIONS **
-******************************************/
-/*
-** _hasBreak().
-** Answer whether there is a break point at the input line in the
-** source file indicated
-*/
-static struct breakpoint *
-#ifdef __STDC__
-_hasBreak (
- CORE_ADDR addr)
-#else
-_hasBreak (addr)
- CORE_ADDR addr;
-#endif
-{
- struct breakpoint *bpWithBreak = (struct breakpoint *) NULL;
- struct breakpoint *bp;
- extern struct breakpoint *breakpoint_chain;
-
-
- for (bp = breakpoint_chain;
- (bp != (struct breakpoint *) NULL &&
- bpWithBreak == (struct breakpoint *) NULL);
- bp = bp->next)
- if (addr == bp->address)
- bpWithBreak = bp;
-
- return bpWithBreak;
-} /* _hasBreak */