/*-------------------------------------------------------------------------
cmd.c - source file for debugger command execution
-
- Written By - Sandeep Dutta . sandeep.dutta@usa.net (1999)
+ Written By - Sandeep Dutta . sandeep.dutta@usa.net (1999)
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, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
- what you give them. Help stamp out software-hoarding!
+ what you give them. Help stamp out software-hoarding!
-------------------------------------------------------------------------*/
#include "sdcdb.h"
#include "simi.h"
#include "break.h"
#include "cmd.h"
+#include "newalloc.h"
/* default number of lines to list out */
-int listLines = 16;
+#define LISTLINES 10
+static int listlines = LISTLINES;
/* mainly used to retain a reference to the active module being
listed. May be used as a general context for other commands if
#endif
static void printTypeInfo(link *);
-static void printValAggregates (symbol *,link *,char,unsigned int);
-static void setSymValue(symbol *sym, char *val, context *cctxt);
+static void printValAggregates (symbol *,link *,char,unsigned int,int);
+static int printOrSetSymValue (symbol *sym, context *cctxt,
+ int flg, int dnum, int fmt,
+ char *rs, char *val, char cmp);
int srcMode = SRC_CMODE ;
-static set *dispsymbols = NULL ; /* set of displayable symbols */
-
+set *dispsymbols = NULL ; /* set of displayable symbols */
+static int currentFrame = 0; /* actual displayed frame */
/*-----------------------------------------------------------------*/
/* funcWithName - returns function with name */
/*-----------------------------------------------------------------*/
V_ARG(function **,funcp);
if (*funcp)
- return 0;
+ return 0;
if (strcmp(func->sym->name,name) == 0) {
- *funcp = func;
- return 1;
+ *funcp = func;
+ return 1;
+ }
+
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* symWithAddr - look for symbol with sfr / sbit address */
+/*-----------------------------------------------------------------*/
+DEFSETFUNC(symWithAddr)
+{
+ symbol *sym = item;
+ V_ARG(unsigned long,laddr);
+ V_ARG(int ,laddrspace);
+ V_ARG(symbol **,rsym);
+
+ if (*rsym)
+ return 0;
+
+ if ( sym->addr == laddr &&
+ sym->addrspace == laddrspace )
+ {
+ *rsym = sym;
+ return 1;
}
-
+
return 0;
}
/*-----------------------------------------------------------------*/
/* setBPatModLine - set break point at the line specified for the */
/*-----------------------------------------------------------------*/
-static void setBPatModLine (module *mod, int line)
+static void setBPatModLine (module *mod, int line, char bpType )
{
- int next_line;
+ int next_line;
/* look for the first executable line after the line
- specified & get the break point there */
+ specified & get the break point there */
+
+ if ( line < 0 )
+ return;
+
if (srcMode == SRC_CMODE && line > mod->ncLines) {
- fprintf(stderr,"No line %d in file \"%s\".\n",
- line,mod->c_name);
- return ;
+ fprintf(stderr,"No line %d in file \"%s\".\n",
+ line,mod->c_name);
+ return ;
}
-
+
if (srcMode == SRC_AMODE && line > mod->nasmLines) {
- fprintf(stderr,"No line %d in file \"%s\".\n",
- line,mod->asm_name);
- return ;
+ fprintf(stderr,"No line %d in file \"%s\".\n",
+ line,mod->asm_name);
+ return ;
}
next_line = line;
- for ( ; next_line < (srcMode == SRC_CMODE ? mod->ncLines : mod->nasmLines ) ;
- next_line++ ) {
- if (srcMode == SRC_CMODE) {
- if (mod->cLines[next_line]->addr) {
- setBreakPoint (mod->cLines[next_line]->addr, CODE, USER,
- userBpCB, mod->c_name, next_line);
- return;
-// break;
- }
- }
- else {
- if (mod->asmLines[next_line]->addr) {
- setBreakPoint (mod->asmLines[next_line]->addr, CODE, USER,
- userBpCB, mod->asm_name, next_line);
- return;
-// break;
- }
- }
- }
-
- fprintf(stderr,"No line %d or after in file \"%s\"..\n",
- line,mod->c_name);
+ for ( ; next_line < (srcMode == SRC_CMODE ? mod->ncLines : mod->nasmLines ) ;
+ next_line++ ) {
+ if (srcMode == SRC_CMODE) {
+ if (mod->cLines[next_line]->addr != INT_MAX) {
+ setBreakPoint (mod->cLines[next_line]->addr, CODE, bpType,
+ userBpCB, mod->c_name, next_line);
+ return;
+// break;
+ }
+ }
+ else {
+ if (mod->asmLines[next_line]->addr != INT_MAX) {
+ setBreakPoint (mod->asmLines[next_line]->addr, CODE, bpType,
+ userBpCB, mod->asm_name, next_line);
+ return;
+// break;
+ }
+ }
+ }
+
+ fprintf(stderr,"No line %d or after in file \"%s\"..\n",
+ line,mod->c_name);
return;
}
/* look for the first executable line after the line
specified & get the break point there */
if (srcMode == SRC_CMODE && line > mod->ncLines) {
- fprintf(stderr,"No line %d in file \"%s\".\n",
- line,mod->c_name);
- return ;
+ fprintf(stderr,"No line %d in file \"%s\".\n",
+ line,mod->c_name);
+ return ;
}
-
+
if (srcMode == SRC_AMODE && line > mod->ncLines) {
- fprintf(stderr,"No line %d in file \"%s\".\n",
- line,mod->c_name);
- return ;
- }
-
- for ( ; line < (srcMode == SRC_CMODE ? mod->ncLines : mod->nasmLines ) ;
- line++ ) {
- if (srcMode == SRC_CMODE)
- if (mod->cLines[line]->addr) {
- clearUSERbp (mod->cLines[line]->addr);
- break;
- }
- else
- if (mod->asmLines[line]->addr) {
- clearUSERbp (mod->asmLines[line]->addr);
- break;
- }
+ fprintf(stderr,"No line %d in file \"%s\".\n",
+ line,mod->c_name);
+ return ;
+ }
+
+ for ( ; line < (srcMode == SRC_CMODE ? mod->ncLines : mod->nasmLines ) ;
+ line++ ) {
+ if (srcMode == SRC_CMODE)
+ if (mod->cLines[line]->addr) {
+ clearUSERbp (mod->cLines[line]->addr);
+ break;
+ }
+ else
+ if (mod->asmLines[line]->addr) {
+ clearUSERbp (mod->asmLines[line]->addr);
+ break;
+ }
}
return;
if (*rmod)
return 0;
- for (i=0; i < mod->nasmLines; i++ )
+ for (i=0; i < mod->nasmLines; i++ )
{
if ( mod->asmLines[i]->addr == addr)
{
*rmod = mod ;
if (line )
- *line = mod->ncLines;
- return 1;
+ {
+ *line = 0;
+ for ( i=0; i < mod->ncLines; i++ )
+ {
+ if ( mod->cLines[i]->addr > addr)
+ break;
+ *line = i;
+ }
+ return 1;
+ }
}
}
/*-----------------------------------------------------------------*/
/* funcWithNameModule - returns functions with a name module combo */
/*-----------------------------------------------------------------*/
-DEFSETFUNC(funcWithNameModule)
+DEFSETFUNC(funcWithNameModule)
{
function *func = item;
V_ARG(char *,fname);
return 0;
if (strcmp(func->sym->name,fname) == 0 &&
- strcmp(func->mod->c_name,mname) == 0) {
- *funcp = func;
- return 1;
+ strcmp(func->mod->c_name,mname) == 0) {
+ *funcp = func;
+ return 1;
}
return 0;
V_ARG(function **,funcp);
if (*funcp)
- return 0;
+ return 0;
/* in the address range */
if (func->sym->addr <= addr &&
- func->sym->eaddr >= addr) {
-
- *funcp = func;
- return 1;
+ func->sym->eaddr >= addr) {
+
+ *funcp = func;
+ return 1;
}
- return 0;
+ return 0;
}
/*-----------------------------------------------------------------*/
DEFSETFUNC(setStepBp)
{
function *func = item;
-
+
if (func->sym && func->sym->addr ) {
-
- /* set the entry break point */
- setBreakPoint (func->sym->addr , CODE , STEP ,
- stepBpCB ,func->mod->c_name , func->entryline);
- return 1;
+ /* set the entry break point */
+ setBreakPoint (func->sym->addr , CODE , STEP ,
+ stepBpCB ,func->mod->c_name , func->entryline);
+
+ return 1;
}
return 0;
exePoint *ep = item;
V_ARG(int,bptype);
V_ARG(char *,mname);
-
- setBreakPoint (ep->addr, CODE, bptype,
- stepBpCB, mname, ep->line);
+
+ setBreakPoint (ep->addr, CODE, bptype,
+ stepBpCB, mname, ep->line);
return 1;
}
exePoint *ep = item;
V_ARG(int,bptype);
V_ARG(char *,mname);
-
- setBreakPoint (ep->addr, CODE, bptype,
- nextBpCB, mname, ep->line);
+
+ setBreakPoint (ep->addr, CODE, bptype,
+ nextBpCB, mname, ep->line);
return 1;
}
/* address must be an exact match */
if (ep->addr == addr) {
- *line = ep->line;
- if (block)
- *block = ep->block ;
- if (level)
- *level = ep->level ;
- return 1;
+ *line = ep->line;
+ if (block)
+ *block = ep->block ;
+ if (level)
+ *level = ep->level ;
+ return 1;
}
return 0;
-
+
}
/*-----------------------------------------------------------------*/
/* the line in which the address is */
if (ep->addr <= addr) {
- *line = ep->line;
- if (block)
- *block = ep->block ;
- if (level)
- *level = ep->level ;
- return 1;
+ *line = ep->line;
+ if (block)
+ *block = ep->block ;
+ if (level)
+ *level = ep->level ;
+ return 1;
}
return 0;
-
+
}
/*-----------------------------------------------------------------*/
/* discoverContext - find out the current context of the bp */
/*-----------------------------------------------------------------*/
-context *discoverContext (unsigned addr)
+context *discoverContext (unsigned addr, function *func)
{
- function *func = NULL;
module *mod = NULL;
int line = 0;
/* find the function we are in */
- if (!applyToSet(functions,funcInAddr,addr,&func)) {
- if (!applyToSet(functions,funcWithName,"main") ||
- !applyToSet(modules,moduleLineWithAddr,addr,&mod,&line))
+ if (!func && !applyToSet(functions,funcInAddr,addr,&func)) {
+ if (!applyToSet(functions,funcWithName,"_main",&func) ||
+ !applyToSet(modules,moduleLineWithAddr,addr,&mod,NULL))
{
- fprintf(stderr, "Error?:discoverContext: cannot apply to set!\n");
+ fprintf(stderr, "addr 0x%x in no module/function (runtime env?)\n",addr);
return NULL;
}
currCtxt->func = func;
currCtxt->func = func;
currCtxt->addr = func->laddr = addr;
currCtxt->modName = func->modName;
-
+
/* find the c line number */
- if(applyToSet(func->cfpoints,lineNearAddr,addr,
- &line,&currCtxt->block,&currCtxt->level))
+ if(applyToSet(func->cfpoints,lineAtAddr,addr,
+ &line,&currCtxt->block,&currCtxt->level))
+ currCtxt->cline = func->lline = line;
+ else if(applyToSet(func->cfpoints,lineNearAddr,addr,
+ &line,&currCtxt->block,&currCtxt->level))
currCtxt->cline = func->lline = line;
else
- currCtxt->cline = func->exitline;
- }
+ currCtxt->cline = -1;
+ }
/* find the asm line number */
line = 0;
if (applyToSet(func->afpoints,lineAtAddr,addr,
- &line,NULL,NULL))
- currCtxt->asmline = line;
+ &line,NULL,NULL))
+ currCtxt->asmline = line;
else
- currCtxt->asmline = -1;
-
+ currCtxt->asmline = -1;
+
return currCtxt ;
}
/* simGo - send 'go' cmd to simulator and wait till a break occurs */
/*-----------------------------------------------------------------*/
void simGo (unsigned int gaddr)
-{
+{
unsigned int addr ;
context *ctxt;
int rv;
- static int initial_break_flag = 0;
-
- top:
+ stopCommandList();
+ top:
if ( userinterrupt )
{
userinterrupt = 0;
return;
}
+ if ( gaddr == 0 )
+ {
+ function *func = NULL;;
+ if (applyToSet(functions,funcInAddr,gaddr,&func))
+ STACK_PUSH(callStack,func);
+ }
addr = simGoTillBp (gaddr);
/* got the pc for the break point now first
- discover the program context i.e. module, function
+ discover the program context i.e. module, function
linenumber of the source etc, etc etc */
- ctxt = discoverContext (addr);
-
+ currentFrame = 0;
+ ctxt = discoverContext (addr, NULL);
+
/* dispatch all the break point call back functions */
- rv = dispatchCB (addr,ctxt);
- ret:
+ rv = dispatchCB (addr,ctxt);
/* the dispatch call back function will return
non-zero if an user break point has been hit
- if not then we continue with the execution
+ if not then we continue with the execution
of the program */
- if (!rv) {
- if (!initial_break_flag) {
- initial_break_flag = 1; // kludge to stop only at first run
- fprintf(stdout, "Stopping at entry. You can now list and set breakpoints\n");
- }
- else {
- gaddr = -1;
- goto top ;
- }
+ if (!rv)
+ {
+ if ( gaddr == 0 )
+ gaddr = -1;
+ if ( gaddr == -1 || doingSteps == 1 )
+ goto top ;
+ }
-// notes: kpb
-// I took this out, after running "run" it would just keep re-running
-// even after a lot of break points hit. For some reason above code
-// not triggering(dispatchCB). This seems to be by design, startup adds
-// a bunch of breakpoints-but they are not USER breakpoints. Perhaps the
-// debugger changed with its implementation of "go"("run"). It seems we
-// need to add a "next" or "step" followed by a "run"...
-// I added a "step" in simi.c when we want a resume function, this seems
-// to work.
-
-// still there is question of how do we stop it initially, since
-// it must be started before it can get a context. If so, we would
-// want it to just run up to an initial entry point you'd think...
-// I don't see why we can't set breakpoints before an initial run,
-// this does not seem right to me.
-
-// line #'s are a bit off too.
-
-#if 0
- gaddr = -1;
- goto top ;
-#endif
+}
+
+/*-----------------------------------------------------------------*/
+/* preparePrint - common parse function for set variable, */
+/* output, print and display */
+/*-----------------------------------------------------------------*/
+static char *preparePrint(char *s, context *cctxt, int *fmt, symbol **sym)
+{
+ char *bp;
+ char save_ch ;
+
+ *fmt = FMT_NON;
+ *sym = NULL;
+
+ s = trim(s);
+ if (!*s)
+ return (char *)0;
+
+ if ( *s == '/' )
+ {
+ /* format of printout */
+ switch ( *++s )
+ {
+ case 'x':
+ *fmt = FMT_HEX ;
+ break;
+ case 'o':
+ *fmt = FMT_OCT ;
+ break;
+ default:
+ case 'd':
+ *fmt = FMT_DEZ ;
+ break;
+ case 't':
+ *fmt = FMT_BIN ;
+ break;
+ }
+ s++;
+ s = trim_left(s);
}
-
+ for ( bp = s; *bp && ( isalnum( *bp ) || *bp == '_' || *bp == '$'); bp++ );
+ save_ch = *bp;
+ if ( *bp )
+ *bp = '\0';
+
+ if ( *s )
+ *sym = symLookup(s,cctxt);
+ *bp = save_ch;
+
+ if ( ! *sym )
+ fprintf(stdout,"No symbol \"%s\" in current context.\n", s);
+ return bp;
}
-static int printAsmLine( function *func, module *m, long saddr, long eaddr)
+static int printAsmLine( function *func, module *m, unsigned saddr, unsigned eaddr)
{
int i,j,delta;
- int symaddr;
- int lastaddr = saddr+1;
+ unsigned symaddr;
+ unsigned lastaddr = saddr+1;
char *symname;
if ( func )
symaddr = saddr;
symname = "" ;
}
- for (j=0,i=0; i < m->nasmLines; i++ )
+ for (j=0,i=0; i < m->nasmLines; i++ )
{
if ( saddr >= 0 && m->asmLines[i]->addr < saddr)
{
{
continue;
}
- if ( func &&
+ if ( func &&
(m->asmLines[i]->addr < func->sym->addr ||
m->asmLines[i]->addr > func->sym->eaddr ))
{
continue;
- }
+ }
delta = m->asmLines[i]->addr - symaddr;
if ( delta >= 0 )
{
lastaddr = m->asmLines[i]->addr;
printf("0x%08x <%s",lastaddr,symname);
if (delta > 0) printf("+%d",delta);
- printf(">:\t%s",m->asmLines[i]->src);
+ printf(">:\t%s",m->asmLines[i]->src);
}
}
return lastaddr;
if ( args > 0 )
{
- while (*s && isspace(*s)) s++;
+ s = trim_left(s);
if ( isdigit(*s))
{
saddr = strtol(s,&s,0);
if ( args > 1 )
{
- while (*s && isspace(*s)) s++;
+ s = trim_left(s);
if ( isdigit(*s))
eaddr = strtol(s,0,0);
}
if ( eaddr == -1 )
- {
+ {
/* no start or only start so dump function */
if ( saddr == -1 )
{
printf("Dump of assembler code for function %s:\n",func->sym->name);
printAsmLine(func,func->mod,-1,-1);
printf("End of assembler dump.\n");
- return 0;
+ return 0;
}
else
{
printf("Dump of assembler code:\n");
printAsmLine(NULL,modul,saddr,eaddr);
printf("End of assembler dump.\n");
- return 0;
+ return 0;
}
}
}
else
{
if ( args > 1 )
- printf("Dump of assembler code from 0x%08x to 0x%08x:\n",saddr,eaddr);
+ printf("Dump of assembler code from 0x%08lx to 0x%08lx:\n",saddr,eaddr);
found = 0;
while ( saddr < eaddr )
{
{
if ( args > 1 )
printf("End of assembler dump.\n");
- return 0;
+ return 0;
}
-
+
}
fprintf(stderr,"No function contains specified address.\n");
- return 0;
+ if( saddr >= 0 )
+ {
+ char lbuf[64];
+ sprintf(lbuf,"dis 0x%lx 0 %ld\n",saddr,( eaddr == -1 )?1L:eaddr-saddr);
+ sendSim(lbuf);
+ waitForSim(1000, NULL);
+ fputs(simResponse(),stdout);
+ }
+ return 0;
}
/*-----------------------------------------------------------------*/
/* cmdDisasm1 - disassemble one asm instruction */
return cmdDisasm( s, cctxt, 2);
}
-/*-----------------------------------------------------------------*/
-/* cmdSetUserBp - set break point at the user specified location */
-/*-----------------------------------------------------------------*/
-int cmdSetUserBp (char *s, context *cctxt)
+static int commonSetUserBp(char *s, context *cctxt, char bpType)
{
char *bp ;
function *func = NULL;
-
+
/* user break point location specification can be of the following
forms
a) <nothing> - break point at current location
c) filename:lineno - line number of the given file
e) filename:function- function X in file Y (useful for static functions)
f) function - function entry point
- g) *addr - break point at address
+ g) *addr - break point at address
*/
if (!cctxt) {
- fprintf(stdout,"No symbol table is loaded. Use the \"file\" command.\n");
- return 0;
+ fprintf(stdout,"No symbol table is loaded. Use the \"file\" command.\n");
+ return 0;
}
- /* white space skip */
- while (*s && isspace(*s)) s++;
-
- /* null terminate it after stripping trailing blanks*/
- bp = s + strlen(s);
- while (bp != s && isspace(*bp)) bp--;
- *bp = '\0';
+ /* trim left and right */
+ s = trim(s);
/* case a) nothing */
/* if nothing given then current location : we know
the current execution location from the currentContext */
if (! *s ) {
- /* if current context is known */
- if (cctxt->func) {
- if (srcMode == SRC_CMODE)
- /* set the break point */
- setBreakPoint ( cctxt->addr , CODE , USER , userBpCB ,
- cctxt->func->mod->c_name, cctxt->cline);
- else
- setBreakPoint ( cctxt->addr , CODE , USER , userBpCB ,
- cctxt->func->mod->asm_name, cctxt->asmline);
-
- }
- else
- fprintf(stderr,"No default breakpoint address now.\n");
-
- goto ret ;
+ /* if current context is known */
+ if (cctxt->func) {
+ Dprintf(D_break, ("commonSetUserBp: a) cctxtaddr:%x \n",cctxt->addr));
+ if (srcMode == SRC_CMODE)
+ /* set the break point */
+ setBreakPoint ( cctxt->addr , CODE , bpType , userBpCB ,
+ cctxt->func->mod->c_name, cctxt->cline);
+ else
+ setBreakPoint ( cctxt->addr , CODE , bpType , userBpCB ,
+ cctxt->func->mod->asm_name, cctxt->asmline);
+
+ }
+ else
+ fprintf(stderr,"No default breakpoint address now.\n");
+
+ goto ret ;
}
/* case g) *addr */
if ( *s == '*' && isdigit(*(s+1)))
module *modul;
if (!applyToSet(modules,moduleLineWithAddr,braddr,&modul,&line))
{
- fprintf(stderr,"Address 0x%08x not exists in code.\n",braddr);
+ fprintf(stderr,"Address 0x%08lx not exists in code.\n",braddr);
}
else
{
- setBreakPoint ( braddr , CODE , USER , userBpCB ,
+ Dprintf(D_break, ("commonSetUserBp: g) addr:%lx \n",braddr));
+ setBreakPoint ( braddr , CODE , bpType , userBpCB ,
modul->c_name,line);
}
goto ret ;
}
- else
+ else
{
int line = func->exitline;
- applyToSet(func->cfpoints,lineNearAddr,braddr,&line,NULL,NULL);
- setBreakPoint ( braddr , CODE , USER , userBpCB ,
+ if ( !applyToSet(func->cfpoints,lineAtAddr,braddr,
+ &line,NULL,NULL))
+ applyToSet(func->cfpoints,lineNearAddr,braddr,&line,NULL,NULL);
+ setBreakPoint ( braddr , CODE , bpType , userBpCB ,
func->mod->c_name,line);
}
- goto ret ;
+ goto ret ;
}
/* case b) lineno */
/* check if line number */
- if (isdigit(*s)) {
- /* get the lineno */
- int line = atoi(s);
-
- /* if current context not present then we must get the module
- which has main & set the break point @ line number provided
- of that module : if current context known then set the bp
- at the line number given for the current module
- */
- if (cctxt->func) {
- if (!cctxt->func->mod) {
- if (!applyToSet(functions,funcWithName,"main"))
- fprintf(stderr,"Function \"main\" not defined.\n");
- else
- setBPatModLine(func->mod,line);
- } else
- setBPatModLine(cctxt->func->mod,line);
- } else {
- if (list_mod) {
- setBPatModLine(list_mod,line);
- } else {
- fprintf(stdout,"Sdcdb fails to have module symbol context at %d\n", __LINE__);
- }
- }
-
- goto ret;
+ if ( !strchr(s,':') && isdigit(*s)) {
+ /* get the lineno */
+ int line = atoi(s) -1;
+ Dprintf(D_break, ("commonSetUserBp: b) line:%d \n",line));
+ if ( line < 0 )
+ {
+ fprintf(stdout,"linenumber <= 0\n");
+ goto ret;
+ }
+ /* if current context not present then we must get the module
+ which has main & set the break point @ line number provided
+ of that module : if current context known then set the bp
+ at the line number given for the current module
+ */
+ if (cctxt->func) {
+ if (!cctxt->func->mod) {
+ if (!applyToSet(functions,funcWithName,"main"))
+ fprintf(stderr,"Function \"main\" not defined.\n");
+ else
+ setBPatModLine(func->mod,line, bpType);
+ } else
+ setBPatModLine(cctxt->func->mod,line, bpType);
+ } else {
+ if (list_mod) {
+ setBPatModLine(list_mod,line, bpType);
+ } else {
+ fprintf(stdout,"Sdcdb fails to have module symbol context at %d\n", __LINE__);
+ }
+ }
+
+ goto ret;
}
if ((bp = strchr(s,':'))) {
-
- module *mod = NULL;
- *bp = '\0';
-
- if (srcMode == SRC_CMODE) {
- if (!applyToSet(modules,moduleWithCName,s,&mod)) {
- fprintf (stderr,"No source file named %s.\n",s);
- goto ret;
- }
- } else {
- if (!applyToSet(modules,moduleWithAsmName,s,&mod)) {
- fprintf (stderr,"No source file named %s.\n",s);
- goto ret;
- }
- }
-
- /* case c) filename:lineno */
- if (isdigit(*(bp +1))) {
-
- setBPatModLine (mod,atoi(bp+1));
- goto ret;
-
- }
- /* case d) filename:function */
- if (!applyToSet(functions,funcWithNameModule,bp+1,s,&func))
- fprintf(stderr,"Function \"%s\" not defined.\n",bp+1);
- else
- setBPatModLine (mod,
- (srcMode == SRC_CMODE ?
- func->entryline :
- func->aentryline));
-
- goto ret;
- }
-
+
+ module *mod = NULL;
+ *bp = '\0';
+
+ if (srcMode == SRC_CMODE) {
+ if (!applyToSet(modules,moduleWithCName,s,&mod)) {
+ fprintf (stderr,"No source file named %s.\n",s);
+ goto ret;
+ }
+ } else {
+ if (!applyToSet(modules,moduleWithAsmName,s,&mod)) {
+ fprintf (stderr,"No source file named %s.\n",s);
+ goto ret;
+ }
+ }
+
+ /* case c) filename:lineno */
+ if (isdigit(*(bp +1))) {
+ Dprintf(D_break, ("commonSetUserBp: c) line:%d \n",atoi(bp+1)));
+ setBPatModLine (mod,atoi(bp+1)-1,bpType);
+ goto ret;
+
+ }
+ /* case d) filename:function */
+ if (!applyToSet(functions,funcWithNameModule,bp+1,s,&func))
+ fprintf(stderr,"Function \"%s\" not defined.\n",bp+1);
+ else
+ Dprintf(D_break, ("commonSetUserBp: d) \n"));
+ setBPatModLine (mod,
+ (srcMode == SRC_CMODE ?
+ func->entryline :
+ func->aentryline),bpType);
+
+ goto ret;
+ }
+
/* case e) function */
+ Dprintf(D_break, ("commonSetUserBp: e) \n"));
if (!applyToSet(functions,funcWithName,s,&func))
- fprintf(stderr,"Function \"%s\" not defined.\n",s);
+ fprintf(stderr,"Function \"%s\" not defined.\n",s);
else
- setBPatModLine(func->mod,
- (srcMode == SRC_CMODE ?
- func->entryline :
- func->aentryline));
+ setBPatModLine(func->mod,
+ (srcMode == SRC_CMODE ?
+ func->entryline :
+ func->aentryline),bpType);
+
+ ret:
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdSetTmpUserBp - settempory break point at the user specified location */
+/*-----------------------------------------------------------------*/
+int cmdSetTmpUserBp (char *s, context *cctxt)
+{
+ return commonSetUserBp(s, cctxt, TMPUSER );
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdSetUserBp - set break point at the user specified location */
+/*-----------------------------------------------------------------*/
+int cmdSetUserBp (char *s, context *cctxt)
+{
+ return commonSetUserBp(s, cctxt, USER );
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdJump - set program counter */
+/*-----------------------------------------------------------------*/
+int cmdJump (char *s, context *cctxt)
+{
+ char *bp;
+ function *func = NULL;
+ if (STACK_EMPTY(callStack))
+ {
+ fprintf(stdout,"The program is not running.\n");
+ return 0;
+ }
- ret:
+ /* trim left and right */
+ s = trim(s);
+
+ if (! *s )
+ {
+ fprintf(stdout,"No argument: need line or *addr.\n");
+ return 0;
+ }
+ if ( *s == '*' && isdigit(*(s+1)))
+ {
+ unsigned int addr = atoi(s);
+ if (cctxt && cctxt->func &&
+ cctxt->func->sym->addr <= addr &&
+ cctxt->func->sym->eaddr >= addr)
+ {
+ simSetPC(addr);
+ return 0;
+ }
+ fprintf(stdout,"Warning addr 0x%x outside actual function.\n",addr);
+ simSetPC(addr);
+ return 0;
+ }
+ if (isdigit(*s))
+ {
+ /* get the lineno */
+ int line = atoi(s) -1;
+ if (!cctxt || !cctxt->func || !cctxt->func->mod)
+ {
+ fprintf(stderr,"Function not defined.\n");
+ return 0;
+ }
+ if (line >= cctxt->func->entryline &&
+ line <= cctxt->func->exitline )
+ {
+ simSetPC(cctxt->func->mod->cLines[line]->addr);
+ return 0;
+ }
+ if (line >= cctxt->func->mod->ncLines )
+ {
+ fprintf(stderr,"line not in module.\n");
+ return 0;
+ }
+ fprintf(stdout,"Warning line %d outside actual function.\n",line+1);
+ simSetPC(cctxt->func->mod->cLines[line]->addr);
+ return 0;
+ }
+ if ((bp = strchr(s,':')))
+ {
+ int line;
+ module *mod = NULL;
+ *bp++ = '\0';
+ if (!applyToSet(modules,moduleWithCName,s,&mod))
+ {
+ fprintf (stderr,"No source file named %s.\n",s);
+ return 0;
+ }
+ if (!isdigit(*bp))
+ {
+ fprintf (stderr,"No line number.\n");
+ return 0;
+ }
+ line = atoi(bp) -1;
+ if (line >= mod->ncLines )
+ {
+ fprintf(stderr,"line not in module.\n");
+ return 0;
+ }
+ if ( mod != cctxt->func->mod ||
+ line < cctxt->func->entryline ||
+ line > cctxt->func->exitline )
+ {
+ fprintf(stdout,"Warning line %d outside actual function.\n",
+ line+1);
+ }
+ simSetPC(mod->cLines[line]->addr);
+ }
return 0;
}
/*-----------------------------------------------------------------*/
int cmdListAsm (char *s, context *cctxt)
{
- if ( cctxt && cctxt->func)
+ if ( cctxt && cctxt->func)
{
/* actual line */
- if (printAsmLine(cctxt->func,cctxt->func->mod,
+ if ( cctxt->addr != INT_MAX )
+ {
+ if (printAsmLine(cctxt->func,cctxt->func->mod,
(long)cctxt->addr,(long)cctxt->addr))
- return 0;
+ return 0;
+ }
}
return 0;
}
/*-----------------------------------------------------------------*/
int cmdSetOption (char *s, context *cctxt)
{
- while (*s && isspace(*s)) s++;
+ s = trim_left(s);
if (strncmp(s,"srcmode",7) == 0 ) {
- if (srcMode == SRC_CMODE)
- srcMode = SRC_AMODE;
- else
- srcMode = SRC_CMODE;
- fprintf(stderr,"source mode set to '%s'\n",
- (srcMode == SRC_CMODE ? "C" : "asm"));
- return 0;
+ if (srcMode == SRC_CMODE)
+ srcMode = SRC_AMODE;
+ else
+ srcMode = SRC_CMODE;
+ fprintf(stderr,"source mode set to '%s'\n",
+ (srcMode == SRC_CMODE ? "C" : "asm"));
+ return 0;
+ }
+
+ if (strncmp(s,"listsize ",9) == 0)
+ {
+ listlines = strtol(s+9,0,0);
+ if ( listlines < LISTLINES )
+ listlines = LISTLINES;
+ return 0;
}
- if (strncmp(s,"variable ",9) == 0)
+#ifdef SDCDB_DEBUG
+ if (strncmp(s,"debug ",6) == 0)
+ {
+ sdcdbDebug = strtol(s+6,0,0);
+ return 0;
+ }
+#endif
+ if (strncmp(s,"variable ",9) == 0)
{
symbol *sym ;
- char *val;
+ int fmt;
+ char *rs;
s += 9;
- while (isspace(*s)) s++;
- if (!*s) return 0;
-
- val = s;
- while (*val && !isspace(*val) && *val != '=') val++;
- while (isspace(*val)) *val++ = '\0';
- if (*val) *val++ = '\0';
- if (*val)
+ if ( !( rs = preparePrint(s, cctxt, &fmt, &sym )))
+ return 0;
+ s = rs;
+ while (*s && *s != '=') s++;
+ *s++ = '\0';
+ s = trim_left(s);
+ if (*s && sym)
{
- if ((sym = symLookup(s,cctxt)))
- {
- setSymValue(sym,val,cctxt);
- return 0;
- }
- fprintf(stdout,"No symbol \"%s\" in current context.\n",s);
+ printOrSetSymValue(sym,cctxt,0,0,0,rs,s,'\0');
+ return 0;
}
else
fprintf(stdout,"No new value for \"%s\".\n",s);
- return 0;
+ return 0;
}
-
+
fprintf(stderr,"'set %s' command not yet implemented\n",s);
return 0;
}
/*-----------------------------------------------------------------*/
int cmdContinue (char *s, context *cctxt)
{
- if (!cctxt || !cctxt->func) {
- fprintf(stdout,"The program is not being run.\n");
- return 0;
+ if (STACK_EMPTY(callStack)) {
+ fprintf(stdout,"The program is not being run.\n");
+ return 0;
}
fprintf(stdout,"Continuing.\n");
return 0;
}
+/*-----------------------------------------------------------------*/
+/* cmdIgnore - set ignorecount for breakpoint */
+/*-----------------------------------------------------------------*/
+int cmdIgnore (char *s, context *cctxt)
+{
+ int bpnum, cnt ;
+ s = trim_left(s);
+ if (!*s )
+ {
+ fprintf(stdout,"Argument required (breakpoint number).\n");
+ return 0;
+ }
+ bpnum = strtol(s,&s,10);
+ s = trim_left(s);
+ if (!*s )
+ {
+ fprintf(stdout,"Second argument (specified ignore-count) is missing.");
+ return 0;
+ }
+ cnt = strtol(s,0,10);
+ setUserbpIgnCount(bpnum,cnt);
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdCondition - set condition for breakpoint */
+/*-----------------------------------------------------------------*/
+int cmdCondition (char *s, context *cctxt)
+{
+ int bpnum ;
+ s = trim_left(s);
+ if (!*s )
+ {
+ fprintf(stdout,"Argument required (breakpoint number).\n");
+ return 0;
+ }
+ bpnum = strtol(s,&s,10);
+ s = trim_left(s);
+ if (*s)
+ s = Safe_strdup(s);
+ else
+ s = NULL;
+ setUserbpCondition(bpnum,s);
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdCommands - set commands for breakpoint */
+/*-----------------------------------------------------------------*/
+int cmdCommands (char *s, context *cctxt)
+{
+ int bpnum ;
+ char *cmds,*line;
+ s = trim_left(s);
+
+ if (!*s )
+ bpnum = getLastBreakptNumber();
+ else
+ bpnum = strtol(s,0,10);
+
+ cmds = NULL;
+ while ((line = getNextCmdLine()))
+ {
+ line = trim_left(line);
+ if (!strncmp(line,"end",3))
+ break;
+ if (! cmds )
+ {
+ cmds = Safe_strdup(line);
+ }
+ else
+ {
+ cmds = Safe_realloc( cmds, strlen(cmds) + 1 + strlen(line));
+ strcat(cmds,line);
+ }
+ }
+ setUserbpCommand(bpnum,cmds);
+ return 0;
+}
+
/*-----------------------------------------------------------------*/
/* cmdDelUserBp - delete user break point */
/*-----------------------------------------------------------------*/
int cmdDelUserBp (char *s, context *cctxt)
{
int bpnum ;
- while (isspace(*s)) s++;
-
+ s = trim_left(s);
+
if (!*s ) {
- if (userBpPresent) {
- char buffer[10];
- fprintf (stdout,"Delete all breakpoints? (y or n) ");
- fflush(stdout);
- fgets(buffer,sizeof(buffer),stdin);
- if (toupper(buffer[0]) == 'Y')
- deleteUSERbp(-1);
- }
- return 0;
- }
-
+ if (userBpPresent) {
+ char buffer[10];
+ fprintf (stdout,"Delete all breakpoints? (y or n) ");
+ fflush(stdout);
+ fgets(buffer,sizeof(buffer),stdin);
+ if (toupper(buffer[0]) == 'Y')
+ deleteUSERbp(-1);
+ }
+ return 0;
+ }
+
/* determine the break point number */
if (sscanf(s,"%d",&bpnum) == 1)
- deleteUSERbp(bpnum);
+ deleteUSERbp(bpnum);
+
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdStepi - single step exactly one instruction */
+/*-----------------------------------------------------------------*/
+int cmdStepi (char *s, context *cctxt)
+{
+ if (0 /*STACK_EMPTY(callStack)*/)
+ fprintf(stdout,"The program is not being run.\n");
+ else
+ {
+ doingSteps = 2;
+ simGo(2);
+ doingSteps = 0;
+ showfull = 1;
+ }
return 0;
}
{
function *func = NULL;
- if (!cctxt || !cctxt->func || !cctxt->func->mod)
- fprintf(stdout,"The program is not being run.\n");
+ if (STACK_EMPTY(callStack))
+ fprintf(stdout,"The program is not being run.\n");
else {
- int origSrcMode = srcMode;
- if ( *s == 'i' )
- srcMode = SRC_AMODE;
- /* if we are @ the end of a function then set
- break points at execution points of the
- function in the call stack... */
- if (cctxt->addr == cctxt->func->sym->eaddr) {
- if ((func = STACK_PEEK(callStack))) {
- if (srcMode == SRC_CMODE)
- applyToSet (func->cfpoints,setStepEPBp,STEP,
- func->mod->c_name);
- else
- applyToSet (func->afpoints,setStepEPBp,STEP,
- func->mod->asm_name);
- }
- } else {
- /* set breakpoints at all function entry points
- and all exepoints of this functions & for
- all functions one up in the call stack */
-
- /* all function entry points */
- applyToSet(functions,setStepBp);
-
- if (srcMode == SRC_CMODE) {
- /* for all execution points in this function */
- applyToSet(cctxt->func->cfpoints,setStepEPBp,STEP,
- cctxt->func->mod->c_name);
-
- /* set a break point @ the current function's
- exit */
- setBreakPoint (cctxt->func->sym->eaddr, CODE, STEP ,
- stepBpCB, cctxt->func->mod->c_name,
- cctxt->func->exitline);
-
- /* now break point @ callers execution points */
- if ((func = STACK_PPEEK(callStack))) {
- applyToSet (func->cfpoints,setStepEPBp,STEP,
- func->mod->c_name);
- /* set bp @ callers exit point */
- setBreakPoint (func->sym->eaddr, CODE, STEP ,
- stepBpCB, func->mod->c_name,
- func->exitline);
- }
- } else {
- /* for all execution points in this function */
- applyToSet(cctxt->func->afpoints,setStepEPBp,STEP,
- cctxt->func->mod->asm_name);
-
- /* set a break point @ the current function's
- exit */
- setBreakPoint (cctxt->func->sym->eaddr, CODE, STEP ,
- stepBpCB, cctxt->func->mod->asm_name,
- cctxt->func->aexitline);
-
- /* now break point @ callers execution points */
- if ((func = STACK_PPEEK(callStack))) {
-
- applyToSet (func->afpoints,setStepEPBp,STEP,
- func->mod->asm_name);
-
- /* set bp @ callers exit point */
- setBreakPoint (func->sym->eaddr, CODE, STEP ,
- stepBpCB, func->mod->asm_name,
- func->aexitline);
- }
- }
- }
-
- srcMode = origSrcMode;
- simGo(-1);
- showfull = 1;
+ /* if we are @ the end of a function then set
+ break points at execution points of the
+ function in the call stack... */
+ if (cctxt->addr == cctxt->func->sym->eaddr) {
+ if ((func = STACK_PEEK(callStack))) {
+ if (srcMode == SRC_CMODE)
+ applyToSet (func->cfpoints,setStepEPBp,STEP,
+ func->mod->c_name);
+ else
+ applyToSet (func->afpoints,setStepEPBp,STEP,
+ func->mod->asm_name);
+ }
+ } else {
+ /* set breakpoints at all function entry points
+ and all exepoints of this functions & for
+ all functions one up in the call stack */
+
+ /* all function entry points */
+ applyToSet(functions,setStepBp);
+
+ if (srcMode == SRC_CMODE) {
+ /* for all execution points in this function */
+ applyToSet(cctxt->func->cfpoints,setStepEPBp,STEP,
+ cctxt->func->mod->c_name);
+
+ /* set a break point @ the current function's
+ exit */
+ setBreakPoint (cctxt->func->sym->eaddr, CODE, STEP ,
+ stepBpCB, cctxt->func->mod->c_name,
+ cctxt->func->exitline);
+
+ /* now break point @ callers execution points */
+ if ((func = STACK_PPEEK(callStack))) {
+ applyToSet (func->cfpoints,setStepEPBp,STEP,
+ func->mod->c_name);
+ /* set bp @ callers exit point */
+ setBreakPoint (func->sym->eaddr, CODE, STEP ,
+ stepBpCB, func->mod->c_name,
+ func->exitline);
+ }
+ } else {
+ /* for all execution points in this function */
+ applyToSet(cctxt->func->afpoints,setStepEPBp,STEP,
+ cctxt->func->mod->asm_name);
+
+ /* set a break point @ the current function's
+ exit */
+ setBreakPoint (cctxt->func->sym->eaddr, CODE, STEP ,
+ stepBpCB, cctxt->func->mod->asm_name,
+ cctxt->func->aexitline);
+
+ /* now break point @ callers execution points */
+ if ((func = STACK_PPEEK(callStack))) {
+
+ applyToSet (func->afpoints,setStepEPBp,STEP,
+ func->mod->asm_name);
+
+ /* set bp @ callers exit point */
+ setBreakPoint (func->sym->eaddr, CODE, STEP ,
+ stepBpCB, func->mod->asm_name,
+ func->aexitline);
+ }
+ }
+ }
+
+ doingSteps = 1;
+ simGo(2);
+ doingSteps = 0;
+ showfull = 1;
}
return 0;
}
/*-----------------------------------------------------------------*/
-/* cmdNext - next executable C statement file */
+/* cmdNexti - next instruction but proceed function call */
/*-----------------------------------------------------------------*/
-int cmdNext (char *s, context *cctxt)
+int cmdNexti (char *s, context *cctxt)
+{
+ if (STACK_EMPTY(callStack))
+ fprintf(stdout,"The program is not being run.\n");
+ else
+ {
+ doingSteps = 2;
+ simGo(1);
+ doingSteps = 0;
+ showfull = 1;
+ }
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdNext - next executable C statement file */
+/*-----------------------------------------------------------------*/
+int cmdNext (char *s, context *cctxt)
{
function *func = NULL;
/* next is almost the same as step except we don't
we don't set break point for all function entry
points */
- if (!cctxt || !cctxt->func || !cctxt->func->mod)
- fprintf(stdout,"The program is not being run.\n");
+ if (STACK_EMPTY(callStack))
+ fprintf(stdout,"The program is not being run.\n");
else {
- int origSrcMode = srcMode;
- if ( *s == 'i' )
- srcMode = SRC_AMODE;
-
- /* if we are @ the end of a function then set
- break points at execution points of the
- function in the call stack... */
- if (cctxt->addr == cctxt->func->sym->eaddr) {
- if ((func = STACK_PEEK(callStack))) {
- if (srcMode == SRC_CMODE)
- applyToSet (func->cfpoints,setStepEPBp,STEP,
- func->mod->c_name);
- else
- applyToSet (func->afpoints,setStepEPBp,STEP,
- func->mod->asm_name);
- }
- } else {
- if (srcMode == SRC_CMODE) {
- /* for all execution points in this function */
- applyToSet(cctxt->func->cfpoints,setNextEPBp,NEXT,
- cctxt->func->mod->c_name);
- /* set a break point @ the current function's
- exit */
- setBreakPoint (cctxt->func->sym->eaddr, CODE, NEXT ,
- nextBpCB, cctxt->func->mod->c_name,
- cctxt->func->exitline);
-
- /* now break point @ callers execution points */
- if ((func = STACK_PPEEK(callStack))) {
- applyToSet (func->cfpoints,setNextEPBp,NEXT ,
- func->mod->c_name);
- /* set bp @ callers exit point */
- setBreakPoint (func->sym->eaddr, CODE, NEXT ,
- stepBpCB, func->mod->c_name,
- func->exitline);
- }
- } else {
- /* for all execution points in this function */
- applyToSet(cctxt->func->afpoints,setNextEPBp,NEXT,
- cctxt->func->mod->asm_name);
- /* set a break point @ the current function's
- exit */
- setBreakPoint (cctxt->func->sym->eaddr, CODE, NEXT ,
- nextBpCB, cctxt->func->mod->asm_name,
- cctxt->func->aexitline);
-
- /* now break point @ callers execution points */
- if ((func = STACK_PPEEK(callStack))) {
- applyToSet (func->cfpoints,setNextEPBp,NEXT ,
- func->mod->asm_name);
- /* set bp @ callers exit point */
- setBreakPoint (func->sym->eaddr, CODE, NEXT ,
- stepBpCB, func->mod->asm_name,
- func->aexitline);
- }
- }
- srcMode = origSrcMode;
- simGo(-1);
+ /* if we are @ the end of a function then set
+ break points at execution points of the
+ function in the call stack... */
+ if (cctxt->addr == cctxt->func->sym->eaddr) {
+ if ((func = STACK_PEEK(callStack))) {
+ if (srcMode == SRC_CMODE)
+ applyToSet (func->cfpoints,setStepEPBp,NEXT,
+ func->mod->c_name);
+ else
+ applyToSet (func->afpoints,setStepEPBp,NEXT,
+ func->mod->asm_name);
+ }
+ } else {
+ if (srcMode == SRC_CMODE) {
+ /* for all execution points in this function */
+ applyToSet(cctxt->func->cfpoints,setNextEPBp,NEXT,
+ cctxt->func->mod->c_name);
+ /* set a break point @ the current function's
+ exit */
+ setBreakPoint (cctxt->func->sym->eaddr, CODE, NEXT ,
+ nextBpCB, cctxt->func->mod->c_name,
+ cctxt->func->exitline);
+
+ /* now break point @ callers execution points */
+ if ((func = STACK_PPEEK(callStack))) {
+ applyToSet (func->cfpoints,setNextEPBp,NEXT ,
+ func->mod->c_name);
+ /* set bp @ callers exit point */
+ setBreakPoint (func->sym->eaddr, CODE, NEXT ,
+ stepBpCB, func->mod->c_name,
+ func->exitline);
+ }
+ } else {
+ /* for all execution points in this function */
+ applyToSet(cctxt->func->afpoints,setNextEPBp,NEXT,
+ cctxt->func->mod->asm_name);
+ /* set a break point @ the current function's
+ exit */
+ setBreakPoint (cctxt->func->sym->eaddr, CODE, NEXT ,
+ nextBpCB, cctxt->func->mod->asm_name,
+ cctxt->func->aexitline);
+
+ /* now break point @ callers execution points */
+ if ((func = STACK_PPEEK(callStack))) {
+ applyToSet (func->cfpoints,setNextEPBp,NEXT ,
+ func->mod->asm_name);
+ /* set bp @ callers exit point */
+ setBreakPoint (func->sym->eaddr, CODE, NEXT ,
+ stepBpCB, func->mod->asm_name,
+ func->aexitline);
+ }
+ }
+ }
+ doingSteps = 1;
+ simGo(1);
+ doingSteps = 0;
showfull = 1;
- }
- srcMode = origSrcMode;
- }
+ }
return 0;
}
int cmdRun (char *s, context *cctxt)
{
char buff[10];
- if (!cctxt || !cctxt->func || !cctxt->func->mod) {
- fprintf(stdout,"Starting program\n");
+ if (STACK_EMPTY(callStack)) {
+ fprintf(stdout,"Starting program\n");
if ( ! simactive )
{
fprintf(stdout,"No executable file specified.\nUse the \"file\" command.\n");
return 0;
}
- simGo(0);
+ resetHitCount();
+ simGo(0);
} else {
-
- fprintf(stdout,
- "The program being debugged has been started already.\n");
- fprintf(stdout,"Start it from the beginning? (y or n) ");
- fflush(stdout);
-
- fgets(buff,sizeof(buff),stdin);
- if (toupper(buff[0]) == 'Y') {
- simReset();
- simGo(0);
- }
+
+ fprintf(stdout,
+ "The program being debugged has been started already.\n");
+ fprintf(stdout,"Start it from the beginning? (y or n) ");
+ fflush(stdout);
+
+ fgets(buff,sizeof(buff),stdin);
+ if (toupper(buff[0]) == 'Y') {
+ simReset();
+ resetHitCount();
+ simGo(0);
+ }
}
showfull = 1;
return 0;
sy->name, sy->size, sy->level, sy->block);
printf(" isonstack:%d, isfunc:%d, offset:%d addr:%d\n",
sy->isonstack, sy->isfunc, sy->offset, sy->addr);
- printf(" eaddr:%d, addr_type:%c, type:%x etype:%x\n",
+ printf(" eaddr:%d, addr_type:%c, type:%p etype:%p\n",
sy->eaddr, sy->addr_type, sy->type, sy->etype);
printf(" scopetype:%c, sname:%s, rname:%s addrspace:%c\n",
sy->scopetype, sy->sname, sy->rname, sy->addrspace);
- printf(" next:%x\n", sy->next);
+ printf(" next:%p\n", sy->next);
}
++i;
sy = setNextItem(symbols);
printf("[functions]\n");
f = setFirstItem(functions);
i = 0;
- for (;;) {
- if (f == NULL)
- break;
+ while (f != NULL) {
if (our_verbose) {
- printf(" %d) sym:%x, fname:%s, modName:%s, mod:%x\n", i,
+ printf(" %d) sym:%p, fname:%s, modName:%s, mod:%p\n", i,
f->sym, f->sym->name, f->modName, f->mod);
printf(" entryline:%d, aentryline:%d, exitline:%d, aexitline:%d\n",
f->entryline, f->aentryline, f->exitline, f->aexitline);
- printf(" cfpoints:%x, afpoints:%x, laddr:%x, lline:%d\n",
+ printf(" cfpoints:%p, afpoints:%p, laddr:%x, lline:%d\n",
f->cfpoints, f->afpoints, f->laddr, f->lline);
}
else {
- printf("<%s>", f->modName);
+ printf("<%s>", f->sym->name);
}
++i;
f = setNextItem(functions);
}
/*-----------------------------------------------------------------
- cmdListModules - list functions.
+ cmdListModules - list modules.
|-----------------------------------------------------------------*/
int cmdListModules (char *s, context *cctxt)
{
m->cfullname, m->afullname, m->name);
printf(" c_name:%s, asm_name:%s, ncLines:%d, nasmLines:%d\n",
m->c_name, m->asm_name, m->ncLines, m->nasmLines);
- printf(" cLines:%x, asmLines:%x\n",
+ printf(" cLines:%p, asmLines:%p\n",
m->cLines, m->asmLines);
}
if (our_verbose >= 2) {
{
int our_verbose = 0;
- printf("[context:%x] func:%x modName:%s addr:%x\n",
+ printf("[context:%p] func:%p modName:%s addr:%x\n",
ctxt, ctxt->func, ctxt->modName, ctxt->addr);
printf(" cline:%d asmline:%d block:%d level:%d\n",
- ctxt->cline, ctxt->asmline, ctxt->level);
+ ctxt->cline, ctxt->asmline, ctxt->block, ctxt->level);
- printf("[globals] currCtxt:%x, modules:%x, functions:%x symbols:%x\n",
+ printf("[globals] currCtxt:%p, modules:%p, functions:%p symbols:%p\n",
currCtxt, modules, functions, symbols);
- printf(" nStructs:%d, structs:%x, ssdirl:%s\n",
+ printf(" nStructs:%d, structs:%p, ssdirl:%s\n",
nStructs, structs, ssdirl);
/**************** modules *******************/
m->cfullname, m->afullname, m->name);
printf(" c_name:%s, asm_name:%s, ncLines:%d, nasmLines:%d\n",
m->c_name, m->asm_name, m->ncLines, m->nasmLines);
- printf(" cLines:%x, asmLines:%x\n",
+ printf(" cLines:%p, asmLines:%p\n",
m->cLines, m->asmLines);
i = 0;
if (m->cLines) {
if (f == NULL)
break;
if (our_verbose) {
- printf(" %d) sym:%x, modName:%s, mod:%x\n", i,
+ printf(" %d) sym:%p, modName:%s, mod:%p\n", i,
f->sym, f->modName, f->mod);
printf(" entryline:%d, aentryline:%d, exitline:%d, aexitline:%d\n",
f->entryline, f->aentryline, f->exitline, f->aexitline);
- printf(" cfpoints:%x, afpoints:%x, laddr:%x, lline:%d\n",
+ printf(" cfpoints:%p, afpoints:%p, laddr:%x, lline:%d\n",
f->cfpoints, f->afpoints, f->laddr, f->lline);
}
++i;
s->name, s->size, s->level, s->block);
printf(" isonstack:%d, isfunc:%d, offset:%d addr:%d\n",
s->isonstack, s->isfunc, s->offset, s->addr);
- printf(" eaddr:%d, addr_type:%c, type:%x etype:%x\n",
+ printf(" eaddr:%d, addr_type:%c, type:%p etype:%p\n",
s->eaddr, s->addr_type, s->type, s->etype);
printf(" scopetype:%c, sname:%s, rname:%s addrspace:%c\n",
s->scopetype, s->sname, s->rname, s->addrspace);
- printf(" next:%x\n", s->next);
+ printf(" next:%p\n", s->next);
}
++i;
s = setNextItem(symbols);
}
+/*-----------------------------------------------------------------*/
+/* infoRegisters - print register information */
+/*-----------------------------------------------------------------*/
+static void infoRegisters( int all, context *ctxt)
+{
+ static int regaddrs[] = {0x81,0x82,0x83,0xb8,0xd0,0xe0,0xf0,0};
+ unsigned long val;
+ int i,j,*r;
+
+ i = simGetValue (0xd0,'I',1);
+ fprintf(stdout,"IP : 0x%04X RegisterBank %d:\nR0-7:",ctxt->addr,(i>>3)&3);
+ for ( j = 0; j < 8 ; j++ )
+ {
+ val = simGetValue (j,'R',1);
+ fprintf(stdout," 0x%02lX",val);
+ }
+ fprintf(stdout,"\n");
+ val = simGetValue (0xe0,'I',1);
+ fprintf(stdout,"ACC : 0x%02lX %lu %c\n",val,val,(isprint(val) ? (char)val : '.'));
+ val = simGetValue (0xf0,'I',1);
+ fprintf(stdout,"B : 0x%02lX %lu %c\n",val,val,(isprint(val) ? (char)val : '.'));
+ val = simGetValue (0x82,'I',2);
+ fprintf(stdout,"DPTR: 0x%04lX %lu\n",val,val);
+ val = simGetValue (0x81,'I',1);
+ fprintf(stdout,"SP : 0x%02lX (0x%04lX)\n",val,simGetValue (val-1,'B',2));
+ fprintf(stdout,"PSW : 0x%02X | CY : %c | AC : %c | OV : %c | P : %c\n",
+ i,(i&0x80)?'1':'0',(i&0x40)?'1':'0',(i&4)?'1':'0',(i&1)?'1':'0');
+ if ( all )
+ {
+ fprintf(stdout,"Special Function Registers:\n");
+ r = regaddrs;
+ for ( i = 0x80 ; i < 0x100 ; i++ )
+ {
+ symbol *sym = NULL;
+ if ( *r && *r == i )
+ {
+ /* skip normal registers */
+ r++ ;
+ continue;
+ }
+ if (applyToSetFTrue(sfrsymbols,symWithAddr,i,'I',&sym))
+ {
+ val = simGetValue (sym->addr,sym->addrspace,sym->size);
+ fprintf(stdout,"%s : 0x%02lx",sym->name,val);
+ if ( !(i & 0x07 ))
+ {
+ for ( j = 0 ; j < 8 ; j++ )
+ {
+ sym = NULL;
+ if (applyToSetFTrue(sfrsymbols,symWithAddr,i+j,'J',&sym))
+ {
+ //val = simGetValue (sym->addr,sym->addrspace,sym->size);
+ fprintf(stdout," %s=%c",sym->name,(val&1)? '1':'0');
+ }
+ val >>= 1;
+ }
+ }
+ fprintf(stdout,"\n");
+ }
+ }
+ }
+}
+
/*-----------------------------------------------------------------*/
/* infoStack - print call stack information */
/*-----------------------------------------------------------------*/
STACK_STARTWALK(callStack) ;
while ((func = STACK_WALK(callStack))) {
+ Dprintf(D_break, ("break: infoStack: %s %p (%p)\n",func->sym->name, w_callStack,p_callStack));
- fprintf(stdout,"#%d 0x%04x %s () at %s:%d\n",i++,
- func->laddr,func->sym->name,
- func->mod->c_name,func->lline);
+ fprintf(stdout,"#%d 0x%08x in %s () at %s:%d\n",i++,
+ func->laddr,func->sym->name,
+ func->mod->c_name,func->lline+1);
}
-
+ if ( !i )
+ fprintf(stdout,"no stack.\n");
}
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
int cmdWhere(char *s, context *cctxt)
{
- infoStack(cctxt);
- showfull = 1;
- return 0;
-}
-
-/*-----------------------------------------------------------------*/
-/* cmdUp - Up command */
-/*-----------------------------------------------------------------*/
-int cmdUp(char *s, context *cctxt)
-{
- return 0;
+ infoStack(cctxt);
+ return 0;
}
-/*-----------------------------------------------------------------*/
-/* cmdDown - down command */
-/*-----------------------------------------------------------------*/
-int cmdDown(char *s, context *cctxt)
-{
- return 0;
-}
static int infomode = 0;
/*-----------------------------------------------------------------*/
/*-----------------------------------------------------------------*/
int cmdInfo (char *s, context *cctxt)
{
- while (isspace(*s)) s++;
+ /* trim left and_right*/
+ s = trim(s);
/* list all break points */
if (strncmp(s,"break",5) == 0) {
- listUSERbp();
- return 0;
+ listUSERbp();
+ return 0;
}
/* info frame same as frame */
- if (strcmp(s,"frame") == 0) {
- cmdFrame (s,cctxt);
- showfull = 1;
- return 0;
+ if (strncmp(s,"frame",5) == 0) {
+ cmdFrame (s+5,cctxt);
+ return 0;
}
if (strncmp(s,"line",4) == 0) {
- infomode=1;
- cmdListSrc (s+4,cctxt);
- return 0;
+ infomode=1;
+ cmdListSrc (s+4,cctxt);
+ return 0;
+ }
+ if (strncmp(s,"source",6) == 0)
+ {
+ module *m;
+ if ( s[6] == 's' )
+ {
+ int k = 0;
+ fprintf(stdout,"Source files for which symbols have been read in:\n\n");
+ for (m = setFirstItem(modules); m ; m = setNextItem(modules))
+ {
+ fprintf(stdout,"%s%s, %s",k ? ", ":"",m->cfullname, m->afullname);
+ k = 1;
+ }
+ fprintf(stdout,"\n");
+ }
+ else
+ {
+ if (!cctxt || !cctxt->func || !cctxt->func->mod)
+ {
+ fprintf(stdout,"No source file loaded\n");
+ return 0;
+ }
+ m = cctxt->func->mod;
+ fprintf(stdout,"Current source file is %s\n",m->c_name);
+ fprintf(stdout,"Located in %s\n",m->cfullname);
+ fprintf(stdout,"Contains %d lines.\nSource language is c.\n",
+ m->ncLines);
+ }
+ return 0;
+ }
+ if (strcmp(s,"functions") == 0)
+ {
+ function *f;
+ module *m = NULL;
+ fprintf(stdout,"All defined functions:\n");
+ for ( f = setFirstItem(functions); f ; f = setNextItem(functions))
+ {
+ if ( f->mod != m )
+ {
+ m = f->mod;
+ fprintf(stdout,"\nFile %s\n", m->c_name);
+ }
+ fprintf(stdout,"%s();\n",f->sym->name);
+ }
+ return 0;
}
-
/* info stack display call stack */
if (strcmp(s,"stack") == 0) {
- infoStack(cctxt);
- showfull = 1;
- return 0;
+ infoStack(cctxt);
+ showfull = 1;
+ return 0;
}
/* info stack display call stack */
if (strcmp(s,"registers") == 0) {
- fprintf(stdout,"%s",simRegs());
- return 0;
+ infoRegisters(0,cctxt);
+ return 0;
}
/* info stack display call stack */
- if (strcmp(s,"all-registers") == 0) {
- fprintf(stdout,"%s",simRegs());
- fprintf(stdout,"Special Function Registers:\n");
- sendSim("ds 0x80 0x100\n");
- waitForSim(100,NULL);
- fprintf(stdout,simResponse());
- return 0;
+ if (strcmp(s,"all-registers") == 0)
+ {
+ infoRegisters(1,cctxt);
+ return 0;
}
/* info stack display call stack */
/* cmdQuit - quit debugging */
/*-----------------------------------------------------------------*/
int cmdQuit (char *s, context *cctxt)
-{
+{
if (simactive)
- closeSimulator();
+ closeSimulator();
return 1;
}
/* cmdListSrc - list src */
/*-----------------------------------------------------------------*/
int cmdListSrc (char *s, context *cctxt)
-{
+{
static int currline = 0;
int i =0 ;
int pline = 0;
- int llines = listLines;
+ int llines = listlines;
+ function *func = NULL;
+
+
+ s = trim_left(s);
- while (*s && isspace(*s)) s++;
-
/* if the user has spcified line numer then the line number
can be of the following formats
LINE - just line number
FILE:LINE - filename line number
+ FILE:LINE,LASTLINE + last line
FUNCTION - list a function
FILE:FUNCTION - function in file */
if (*s) {
- /* case a) LINE */
- if (isdigit(*s)) {
- sscanf(s,"%d",&pline);
- if (!cctxt || !cctxt->func || !cctxt->func->mod) {
- if (!list_mod) {
- fprintf(stdout,"Sdcdb fails to have a proper context at %d.\n", __LINE__);
- return 0;
- }
- }
- else
- list_mod = cctxt->func->mod;
- }
- else {
- char *bp;
- function *func = NULL;
-
- /* if ':' present then FILE:LINE || FILE:FUNCTION */
- if ((bp = strchr(s,':'))) {
- *bp = '\0';
- bp ++;
- if (isdigit(*bp)) {
- /* FILE:LINE */
- list_mod=NULL; /* bug fix 2-09-02, moduleWithCName expects mod to be null */
- if (srcMode == SRC_CMODE) {
- if (!applyToSet(modules,moduleWithCName,s,&list_mod)) {
- fprintf (stderr,"No c source file named %s.\n",s);
- return 0;
- }
- } else {
- if (!applyToSet(modules,moduleWithAsmName,s,&list_mod)) {
- fprintf (stderr,"No source file named %s.\n",s);
- return 0;
- }
- }
- sscanf(bp,"%d",&pline);
- } else {
- /* FILE:FUCTION */
- if (!applyToSet(functions,funcWithNameModule,bp,s,&func)) {
- fprintf(stdout,"Function \"%s\" not defined.\n",bp);
- return 0;
- }
- list_mod = func->mod;
- if (srcMode == SRC_CMODE) {
- pline = func->entryline;
- llines = func->exitline - func->entryline + 1;
- } else {
- pline = func->aentryline;
- llines = func->aexitline - func->aentryline + 1;
- }
- }
- }
- else {
- /* FUNCTION */
- if (!applyToSet(functions,funcWithName,s,&func)) {
- fprintf(stderr,"Function \"%s\" not defined.\n",s);
- return 0;
- }
- else {
- list_mod = func->mod;
- if (srcMode == SRC_CMODE) {
- pline = func->entryline;
- llines = func->exitline - func->entryline + 1;
- } else {
- pline = func->aentryline;
- llines = func->aexitline - func->aentryline + 1;
- }
- }
- }
- }
+ /* case a) LINE */
+ if (isdigit(*s)) {
+ if (!cctxt || !cctxt->func || !cctxt->func->mod) {
+ if (!list_mod) {
+ fprintf(stdout,"Sdcdb fails to have a proper context at %d.\n", __LINE__);
+ return 0;
+ }
+ }
+ else
+ list_mod = cctxt->func->mod;
+ pline = strtol(s,&s,10) - 1;
+ if (s && (s = strchr(s,',')))
+ {
+ /* LINE,LASTLINE */
+ llines = strtol(s+1,0,10);
+ if ( llines > 0 )
+ llines -= pline+1;
+ else
+ llines = listlines;
+ }
+ }
+ else {
+ char *bp;
+
+ /* if ':' present then FILE:LINE || FILE:FUNCTION */
+ if ((bp = strchr(s,':'))) {
+ *bp = '\0';
+ bp ++;
+ if (isdigit(*bp)) {
+ /* FILE:LINE */
+ list_mod=NULL; /* bug fix 2-09-02, moduleWithCName expects mod to be null */
+ if (srcMode == SRC_CMODE) {
+ if (!applyToSet(modules,moduleWithCName,s,&list_mod)) {
+ fprintf (stderr,"No c source file named %s.\n",s);
+ return 0;
+ }
+ } else {
+ if (!applyToSet(modules,moduleWithAsmName,s,&list_mod)) {
+ fprintf (stderr,"No source file named %s.\n",s);
+ return 0;
+ }
+ }
+ pline = strtol(bp,&bp,10) - 1;
+ if (bp && (bp = strchr(bp,',')))
+ {
+ /* FILE:LINE,LASTLINE */
+ llines = strtol(bp+1,0,10);
+ if ( llines > 0 )
+ llines -= pline+1;
+ else
+ llines = listlines;
+ }
+ } else {
+ /* FILE:FUCTION */
+ if (!applyToSet(functions,funcWithNameModule,bp,s,&func)) {
+ fprintf(stdout,"Function \"%s\" not defined.\n",bp);
+ return 0;
+ }
+ list_mod = func->mod;
+ if (srcMode == SRC_CMODE) {
+ pline = func->entryline;
+ llines = func->exitline - func->entryline + 1;
+ } else {
+ pline = func->aentryline;
+ llines = func->aexitline - func->aentryline + 1;
+ }
+ }
+ }
+ else {
+ /* FUNCTION */
+ if (*s == '\'')
+ {
+ /* 'FUNCTION' */
+ s++ ;
+ if ((bp = strrchr(s,'\'')))
+ {
+ *bp = '\0';
+ }
+
+ }
+ if (!applyToSet(functions,funcWithName,s,&func)) {
+ fprintf(stderr,"Function \"%s\" not defined.\n",s);
+ return 0;
+ }
+ else {
+ list_mod = func->mod;
+ if (srcMode == SRC_CMODE) {
+ pline = func->entryline;
+ llines = func->exitline - func->entryline + 1;
+ } else {
+ pline = func->aentryline;
+ llines = func->aexitline - func->aentryline + 1;
+ }
+ }
+ }
+ }
} else {
- /* if no line specified & we had listed
- before then continue from that listing */
- if (currline)
- pline = currline ;
- else {
- if (!cctxt || !cctxt->func || !cctxt->func->mod) {
- fprintf(stdout,"Missing context at %d. Try list filename:lineno\n", __LINE__);
- return 0;
- }
- list_mod = cctxt->func->mod;
- if (srcMode == SRC_CMODE)
- pline = cctxt->cline;
- else
- pline = cctxt->asmline;
- }
+ /* if no line specified & we had listed
+ before then continue from that listing */
+ if (currline)
+ pline = currline ;
+ else {
+ if (!cctxt || !cctxt->func || !cctxt->func->mod) {
+ fprintf(stdout,"Missing context at %d. Try list filename:lineno\n", __LINE__);
+ return 0;
+ }
+ list_mod = cctxt->func->mod;
+ if (srcMode == SRC_CMODE)
+ pline = cctxt->cline;
+ else
+ pline = cctxt->asmline;
+ }
}
if (!list_mod) {
fprintf(stdout,"Sdcdb fails to have a valid module context at %d.\n", __LINE__);
return 0;
}
-
- if (llines > listLines) llines = listLines;
+ if ( pline < 0 )
+ return 0;
if ( infomode )
{
- fprintf(stdout,"Line %d of \"%s\" starts at address 0x%08x.\n",pline,
- list_mod->c_name, list_mod->cLines[pline]->addr);
+ unsigned firstaddr , lastaddr ;
+ if ( pline >= list_mod->ncLines )
+ pline = cctxt->cline;
+ firstaddr = lastaddr = list_mod->cLines[pline]->addr;
+ if (!func && cctxt && cctxt->func )
+ func = cctxt->func;
+ fprintf(stdout,"Line %d of \"%s\" starts at address 0x%08x <%s+%d>",
+ pline+1,
+ list_mod->c_name, lastaddr,
+ func ? func->sym->name : "?",
+ func ? lastaddr -func->sym->addr : 0);
+ llines = pline +1;
+ for ( ; pline < list_mod->ncLines; pline++ )
+ {
+ if ( list_mod->cLines[pline]->addr > lastaddr )
+ {
+ lastaddr = list_mod->cLines[pline]->addr -1;
+ break;
+ }
+ }
+ fprintf(stdout," and ends at 0x%08x <%s+%d>.\n",
+ lastaddr,
+ func ? func->sym->name : "?",
+ func ? lastaddr -func->sym->addr : 0);
infomode=0;
+ if ( func )
+ fprintf(stdout,"\032\032%s:%d:1:beg:0x%08x\n",
+ func->mod->cfullname,
+ llines,firstaddr);
+ else
+ showfull=1;
return 0;
}
for ( i = 0 ; i < llines ; i++ ) {
- if (srcMode == SRC_CMODE) {
- if ( (pline + i) >= list_mod->ncLines )
- break;
- fprintf(stdout,"%d\t%s",pline + i,
- list_mod->cLines[pline +i]->src);
- } else {
- if ( (pline + i) >= list_mod->nasmLines )
- break;
- fprintf(stdout,"%d\t%s",pline + i,
- list_mod->asmLines[pline +i]->src);
- }
+ if (srcMode == SRC_CMODE) {
+ if ( (pline + i) >= list_mod->ncLines )
+ break;
+ fprintf(stdout,"%d\t%s",pline + i,
+ list_mod->cLines[pline +i]->src);
+ } else {
+ if ( (pline + i) >= list_mod->nasmLines )
+ break;
+ fprintf(stdout,"%d\t%s",pline + i,
+ list_mod->asmLines[pline +i]->src);
+ }
}
currline = pline + i ;
return 0;
}
-static void setValBasic(symbol *sym, char *val)
+static unsigned long getValBasic(symbol *sym, link *type, char *val)
{
- union
- {
- float f;
+ char *s;
+ union
+ {
+ float f;
unsigned long val;
long sval;
struct {
- short lo;
- short hi;
+ unsigned short lo;
+ unsigned short hi;
} i;
unsigned char b[4];
}v;
- if (IS_FLOAT(sym->type))
- v.f = strtof(val,NULL);
+ if (IS_FLOAT(type))
+ v.f = strtod(val,NULL);
else
- if (IS_PTR(sym->type))
- v.sval = strtol(val,NULL,0);
- else
+ if (IS_PTR(type))
+ v.val = strtol(val,NULL,0);
+ else
{
- if (IS_SPEC(sym->type) && IS_INTEGRAL(sym->type))
+ if (IS_INTEGRAL(type))
{
- if (IS_CHAR(sym->etype))
- {
- v.b[0] = val[0];
+ link *etype;
+ if ( type->next )
+ etype = type->next;
+ else
+ etype = type;
+ if (IS_CHAR(etype))
+ {
+ if (( s = strchr(val,'\'')))
+ {
+ if ( s[1] == '\\' )
+ v.b[0] = strtol(s+2,NULL,8);
+ else
+ v.b[0] = s[1];
+ }
+ else
+ {
+ v.b[0] = strtol(val,NULL,0);
+ }
}
else
- if (IS_INT(sym->etype))
- if (IS_LONG(sym->etype))
- if (SPEC_USIGN(sym->etype))
- v.val = strtol(val,NULL,0);
- else
- v.sval = strtol(val,NULL,0);
+ if (IS_INT(etype))
+ if (IS_LONG(etype))
+ v.val = strtol(val,NULL,0);
else
v.i.lo = strtol(val,NULL,0);
else
- v.sval = strtol(val,NULL,0);
- }
+ v.val = strtol(val,NULL,0);
+ }
else
- v.sval = strtol(val,NULL,0);
+ v.val = strtol(val,NULL,0);
}
- simSetValue(sym->addr,sym->addrspace,sym->size,v.sval);
+ return v.val;
+}
+
+/*-----------------------------------------------------------------*/
+/* printFmtInteger - print value in bin,oct,dez or hex */
+/*-----------------------------------------------------------------*/
+static void printFmtInteger(char *deffmt,int fmt, long val,
+ int sign, int size)
+{
+ static char digits[] =
+ {
+ '0' , '1' , '2' , '3' , '4' , '5' ,
+ '6' , '7' , '8' , '9' , 'a' , 'b' ,
+ 'c' , 'd' , 'e' , 'f' , 'g' , 'h'
+ };
+ static int radixOfFormat[] = { 0 , 2, 8 ,10, 16 };
+ static int olenOfSize[] = { 0 , 3, 6 , 8, 11 };
+ char buf[40];
+ char negative = 0;
+ int charPos = 38;
+ int radix;
+
+ if ( fmt == FMT_NON || fmt == FMT_DEZ )
+ {
+ fprintf(stdout,deffmt,val);
+ return;
+ }
+ radix = radixOfFormat[fmt];
+
+ /*
+ if ( sign && val < 0 )
+ negative = 1;
+ */
+
+ if (!negative)
+ val = -val;
+
+ buf[39] = '\0';
+ while (val <= -radix)
+ {
+ buf[charPos--] = digits[-(val % radix)];
+ val = val / radix;
+ }
+ buf[charPos] = digits[-val];
+
+ switch ( fmt )
+ {
+ case FMT_OCT:
+ radix = olenOfSize[size];
+ break;
+ case FMT_HEX:
+ radix = size << 1;
+ break;
+ case FMT_BIN:
+ radix = size << 3;
+ break;
+ }
+
+ while (charPos > 39 - radix )
+ {
+ buf[--charPos] = '0';
+ }
+ switch ( fmt )
+ {
+ case FMT_OCT:
+ if ( buf[charPos] != '0' )
+ buf[--charPos] = '0';
+ break;
+ case FMT_HEX:
+ buf[--charPos] = 'x';
+ buf[--charPos] = '0';
+ break;
+ }
+ if (negative) {
+ buf[--charPos] = '-';
+ }
+ fputs(&buf[charPos],stdout);
}
/*-----------------------------------------------------------------*/
/* printValBasic - print value of basic types */
/*-----------------------------------------------------------------*/
-static void printValBasic(symbol *sym,unsigned addr,char mem, int size)
-{
- union {
- float f;
- unsigned long val;
- long sval;
- struct {
- short lo;
- short hi;
- } i;
- unsigned char b[4];
- }v;
+static void printValBasic(symbol *sym, link *type,
+ char mem, unsigned addr,int size, int fmt)
+{
union {
- unsigned char b[4];
- }v1;
-
+ float f;
+ unsigned long val;
+ long sval;
+ struct {
+ unsigned short lo;
+ unsigned short hi;
+ } i;
+ unsigned char b[4];
+ }v;
+
v.val = simGetValue(addr,mem,size);
/* if this a floating point number then */
- if (IS_FLOAT(sym->type))
- fprintf(stdout,"%f",v.f);
+ if (IS_FLOAT(type))
+ fprintf(stdout,"%f",v.f);
else
- if (IS_PTR(sym->type))
- fprintf(stdout,"0x%x",v.val);
- else
- if (IS_SPEC(sym->type) && IS_INTEGRAL(sym->type)) {
- if (IS_CHAR(sym->etype))
- {
- if ( isprint(v.val))
- fprintf(stdout,"%d 0x%x '%c'",v.val,v.val,v.val);
- else
- fprintf(stdout,"%d 0x%x '\\%o'",v.val,v.val,v.val);
- }
+ if (IS_PTR(type))
+ fprintf(stdout,"0x%*lx",size<<1,v.val);
else
- if (IS_INT(sym->etype))
- if (IS_LONG(sym->etype))
- if (SPEC_USIGN(sym->etype))
- fprintf(stdout,"%d 0x%x",v.val,v.val);
- else
- fprintf(stdout,"%d 0x%x",v.sval,v.sval);
- else
- fprintf(stdout,"%d 0x%x",v.i.lo,v.i.lo);
- else
- fprintf(stdout,"0x%x",v.val);
- } else
- fprintf(stdout,"0x%x",v.val);
-
-
+ if (IS_INTEGRAL(type))
+ {
+ link *etype;
+ if ( type->next )
+ etype = type->next;
+ else
+ etype = type;
+ if (IS_CHAR(etype))
+ {
+ if ( isprint(v.val))
+ printFmtInteger((SPEC_USIGN(etype)?"0x%02x":"'%c'"),
+ fmt,(long)v.val,0,size);
+ else
+ printFmtInteger((SPEC_USIGN(etype)?"0x%02x":"'\\%o'"),
+ fmt,(long)v.val,0,size);
+ }
+ else
+ {
+ if (IS_INT(etype))
+ if (IS_LONG(etype))
+ if (SPEC_USIGN(etype))
+ printFmtInteger("%u",fmt,(long)v.val,0,size);
+ else
+ printFmtInteger("%d",fmt,(long)v.sval,1,size);
+ else
+ if (SPEC_USIGN(etype))
+ printFmtInteger("%u",fmt,(long)v.i.lo,0,size);
+ else
+ printFmtInteger("%d",fmt,(long)v.i.lo,1,size);
+ else
+ {
+ if (IS_BITVAR(etype))
+ fprintf(stdout,"%c",(v.val?'1':'0'));
+ else
+ fprintf(stdout,"0x%0*lx",size<<1,v.val);
+ }
+ }
+ } else
+ fprintf(stdout,"0x%0*lx",size<<1,v.val);
}
/*-----------------------------------------------------------------*/
/* printValFunc - prints function values */
/*-----------------------------------------------------------------*/
-static void printValFunc (symbol *sym)
+static void printValFunc (symbol *sym, int fmt)
{
fprintf(stdout,"print function not yet implemented");
}
/*-----------------------------------------------------------------*/
/* printArrayValue - will print the values of array elements */
/*-----------------------------------------------------------------*/
-static void printArrayValue (symbol *sym, char space, unsigned int addr)
+static void printArrayValue (symbol *sym, link *type,
+ char space, unsigned int addr, int fmt)
{
- link *elem_type = sym->type->next;
- int i;
-
- fprintf(stdout," { ");
- for (i = 0 ; i < DCL_ELEM(sym->type) ; i++) {
- if (IS_AGGREGATE(elem_type)) {
- printValAggregates(sym,elem_type,space,addr);
- } else {
- printValBasic(sym,addr,space,getSize(elem_type));
- }
- addr += getSize(elem_type);
- if (i != DCL_ELEM(sym->type) -1)
- fprintf(stdout,",");
- }
+ link *elem_type = type->next;
+ int i;
+
+ fprintf(stdout,"{");
+ for (i = 0 ; i < DCL_ELEM(type) ; i++) {
+ if (IS_AGGREGATE(elem_type)) {
+ printValAggregates(sym,elem_type,space,addr,fmt);
+ } else {
+ printValBasic(sym,elem_type,space,addr,getSize(elem_type),fmt);
+ }
+ addr += getSize(elem_type);
+ if (i != DCL_ELEM(type) -1)
+ fprintf(stdout,",");
+ }
- fprintf(stdout,"}");
+ fprintf(stdout,"}");
}
/*-----------------------------------------------------------------*/
/* printStructValue - prints structures elements */
/*-----------------------------------------------------------------*/
-static void printStructValue (symbol *sym,link *type, char space, unsigned int addr)
+static void printStructValue (symbol *sym, link *type,
+ char space, unsigned int addr, int fmt)
{
- symbol *fields = SPEC_STRUCT(type)->fields;
-
- fprintf(stdout," { ");
- while (fields) {
- fprintf(stdout,"%s = ",fields->name);
- if (IS_AGGREGATE(fields->type)) {
- printValAggregates(fields,fields->type,space, addr);
- } else {
- printValBasic(fields,addr,space,getSize(fields->type));
- }
- addr += getSize(fields->type);
- fields = fields->next;
- }
- fprintf(stdout,"}");
+ symbol *fields = SPEC_STRUCT(type)->fields;
+ int first = 1;
+ fprintf(stdout," { ");
+ while (fields) {
+ fprintf(stdout,"%s%s = ",(first ? "": ", "),fields->name);
+ first = 0;
+ if (IS_AGGREGATE(fields->type)) {
+ printValAggregates(fields,fields->type,space, addr, fmt);
+ } else {
+ printValBasic(fields,fields->type,space,addr,getSize(fields->type), fmt);
+ }
+ addr += getSize(fields->type);
+ fields = fields->next;
+ }
+ fprintf(stdout,"}");
}
/*-----------------------------------------------------------------*/
/* printValAggregates - print value of aggregates */
/*-----------------------------------------------------------------*/
-static void printValAggregates (symbol *sym, link *type,char space,unsigned int addr)
+static void printValAggregates (symbol *sym, link *type,
+ char space,unsigned int addr, int fmt)
{
- if (IS_ARRAY(type)) {
- printArrayValue(sym, space, addr);
- return ;
- }
+ if (IS_ARRAY(type)) {
+ printArrayValue(sym, type, space, addr, fmt);
+ return ;
+ }
- if (IS_STRUCT(type)) {
- printStructValue(sym,sym->type,space, addr);
- return;
- }
+ if (IS_STRUCT(type)) {
+ printStructValue(sym, type, space, addr, fmt);
+ return;
+ }
}
/*-----------------------------------------------------------------*/
-/* setSymValue - set value of a symbol */
+/* printOrSetSymValue - print or set value of a symbol */
/*-----------------------------------------------------------------*/
-static void setSymValue(symbol *sym, char *val, context *cctxt)
+static int printOrSetSymValue (symbol *sym, context *cctxt,
+ int flg, int dnum, int fmt, char *rs,
+ char *val, char cmp )
{
- if (sym->isonstack)
+ static char fmtChar[] = " todx ";
+ static int stack = 1;
+ symbol *fields;
+ link *type;
+ unsigned int addr;
+ int size, n;
+ char *s, *s2;
+ char save_ch, save_ch2;
+
+ /* if it is on stack then compute address & fall thru */
+ if (sym->isonstack)
{
symbol *bp = symLookup("bp",cctxt);
- if (!bp)
+ if (!bp)
{
fprintf(stdout,"cannot determine stack frame\n");
- return ;
+ return 1;
}
sym->addr = simGetValue(bp->addr,bp->addrspace,bp->size)
- + sym->offset ;
- }
- /* arrays & structures first */
- if (IS_AGGREGATE(sym->type))
- {
- }
- else
- /* functions */
- if (IS_FUNC(sym->type))
- {
+ + sym->offset ;
}
- else
- {
- setValBasic(sym,val);
- }
-}
-/*-----------------------------------------------------------------*/
-/* printSymValue - print value of a symbol */
-/*-----------------------------------------------------------------*/
-static void printSymValue (symbol *sym, context *cctxt, int flg, int dnum)
-{
- static int stack = 1;
- unsigned long val;
- /* if it is on stack then compute address & fall thru */
- if (sym->isonstack) {
- symbol *bp = symLookup("bp",cctxt);
- if (!bp) {
- fprintf(stdout,"cannot determine stack frame\n");
- return ;
- }
-
- sym->addr = simGetValue(bp->addr,bp->addrspace,bp->size)
- + sym->offset ;
- }
-
/* get the value from the simulator and
print it */
switch (flg)
{
- case 0:
+ case 0:
default:
break;
- case 1:
+ case 1:
fprintf(stdout,"$%d = ",stack++);
break;
- case 2:
- fprintf(stdout,"%d: %s = ",dnum,sym->name);
+ case 2:
+ fprintf(stdout,"%d: ", dnum);
+ if ( fmt != FMT_NON )
+ fprintf(stdout,"/%c ",fmtChar[fmt]);
+ fprintf(stdout,"%s%s = ",sym->name,rs);
+ break;
+ }
+
+ addr = sym->addr;
+ type = sym->type;
+ size = sym->size;
+
+ while ( *rs )
+ {
+ if ( *rs == '[' && IS_ARRAY(type))
+ {
+ s = rs+1;
+ while ( *rs && *rs != ']' ) rs++ ;
+ save_ch = *rs;
+ *rs = '\0' ;
+ if ( ! isdigit(*s ))
+ {
+ /* index seems a variable */
+ for ( s2 = s; *s2 && ( isalnum( *s2 ) || *s2 == '_'); s2++ );
+ save_ch2 = *s2;
+ if ( *s2 )
+ *s2 = '\0';
+ fields = symLookup(s,cctxt);
+ *s2 = save_ch2;
+ if ( ! fields )
+ {
+ fprintf(stdout,"Unknown variable \"%s\" for index.\n", s);
+ return 1;
+ }
+ /* arrays & structures first */
+ if (! IS_INTEGRAL(fields->type))
+ {
+ fprintf(stdout,"Wrong type of variable \"%s\" for index \n", s);
+ return 1;
+ }
+ n = simGetValue(fields->addr,fields->addrspace,getSize(fields->type));
+ }
+ else
+ {
+ n = strtol(s,0,0);
+ }
+ if ( n < 0 || n >= DCL_ELEM(type))
+ {
+ fprintf(stdout,"Wrong index %d.\n", n);
+ return 1;
+ }
+ type = type->next;
+ size = getSize(type);
+ addr += size * n;
+ *rs++ = save_ch;
+ }
+ else if ( *rs == '.' && IS_STRUCT(type))
+ {
+ s = rs+1;
+ /* search structure element */
+ for ( rs = s; *rs && ( isalnum( *rs ) || *rs == '_'); rs++ );
+ save_ch = *rs;
+ if ( *rs )
+ *rs = '\0';
+ for (fields = SPEC_STRUCT(type)->fields; fields; fields = fields->next)
+ {
+ if (!(strcmp(s,fields->name)))
+ break;
+ }
+ *rs = save_ch;
+ if ( ! fields )
+ {
+ fprintf(stdout,"Unknown field \"%s\" of structure\n", s);
+ return 1;
+ }
+ type = fields->type;
+ size = getSize(type);
+ addr += fields->offset;
+ }
+ else
break;
}
+
/* arrays & structures first */
- if (IS_AGGREGATE(sym->type))
- printValAggregates(sym,sym->type,sym->addrspace,sym->addr);
+ if (IS_AGGREGATE(type))
+ {
+ if ( val )
+ {
+ fprintf(stdout,"Cannot set/compare aggregate variable\n");
+ return 1;
+ }
+ else
+ printValAggregates(sym,type,sym->addrspace,addr,fmt);
+ }
else
- /* functions */
- if (IS_FUNC(sym->type))
- printValFunc(sym);
- else
- printValBasic(sym,sym->addr,sym->addrspace,sym->size);
+ /* functions */
+ if (IS_FUNC(type))
+ {
+ if ( !val )
+ printValFunc(sym,fmt);
+ else
+ return 1;
+ }
+ else
+ {
+ if ( val )
+ {
+ unsigned long newval;
+ newval = getValBasic(sym,type,val);
+
+ if ( cmp )
+ {
+ unsigned long lval;
+ lval = simGetValue(addr,sym->addrspace,size);
+ switch ( cmp )
+ {
+ case '<' : return ( lval < newval ? 1:0 ); break;
+ case '>' : return ( lval > newval ? 1:0 ); break;
+ case 'l' : return ( lval <= newval ? 1:0 ); break;
+ case 'g' : return ( lval >= newval ? 1:0 ); break;
+ case '=' : return ( lval == newval ? 1:0 ); break;
+ case '!' : return ( lval != newval ? 1:0 ); break;
+ }
+ }
+ else
+ {
+ if ( sym->addrspace == 'I' && addr == 0xb8 )
+ {
+ /* Symbol with address of IP */
+ if ( cctxt ) cctxt->addr = newval;
+ simSetPC(cctxt->addr);
+ }
+ else
+ simSetValue(addr,sym->addrspace,size,newval);
+ return 1;
+ }
+ }
+ else
+ printValBasic(sym,type,sym->addrspace,addr,size,fmt);
+ }
if ( flg > 0 ) fprintf(stdout,"\n");
- //fprintf(stdout,"(BASIC %x,%c,%d)\n",sym->addr,sym->addrspace,sym->size);
-
+ return 0;
}
/*-----------------------------------------------------------------*/
{
symbol *field = sdef->fields ;
int i = 0 ;
-
+
while (field) {
- i += field->offset;
- field = field->next;
+ i += field->offset;
+ field = field->next;
}
fprintf(stdout,"%s %s {\n",(i ? "struct" : "union" ), sdef->tag);
field = sdef->fields;
while (field) {
- printTypeInfo (field->type);
- fprintf(stdout," %s ;\n",field->name);
- field = field->next ;
+ printTypeInfo (field->type);
+ fprintf(stdout," %s ;\n",field->name);
+ field = field->next ;
}
fprintf(stdout,"}\n");
static void printTypeInfo(link *p)
{
if (!p)
- return ;
+ return ;
if (IS_DECL(p)) {
- switch (DCL_TYPE(p)) {
- case FUNCTION:
- printTypeInfo (p->next);
- fprintf(stdout,"()");
- break;
- case ARRAY:
- printTypeInfo (p->next);
- fprintf(stdout,"[%d]",DCL_ELEM(p));
- break;
-
- case IPOINTER:
- case PPOINTER:
- case POINTER:
- printTypeInfo (p->next);
- fprintf(stdout,"(_near *)");
- break;
-
- case FPOINTER:
- printTypeInfo (p->next);
- fprintf(stdout,"(_xdata *)");
- break;
-
- case CPOINTER:
- printTypeInfo( p->next);
- fprintf(stdout,"(_code *)");
- break;
-
- case GPOINTER:
- printTypeInfo( p->next);
- fprintf(stdout,"(_generic *)");
- break;
- }
+ switch (DCL_TYPE(p)) {
+ case FUNCTION:
+ printTypeInfo (p->next);
+ fprintf(stdout,"()");
+ break;
+ case ARRAY:
+ printTypeInfo (p->next);
+ fprintf(stdout,"[%d]",DCL_ELEM(p));
+ break;
+
+ case IPOINTER:
+ case PPOINTER:
+ case POINTER:
+ printTypeInfo (p->next);
+ fprintf(stdout,"(_near *)");
+ break;
+
+ case FPOINTER:
+ printTypeInfo (p->next);
+ fprintf(stdout,"(_xdata *)");
+ break;
+
+ case CPOINTER:
+ printTypeInfo( p->next);
+ fprintf(stdout,"(_code *)");
+ break;
+
+ case GPOINTER:
+ printTypeInfo( p->next);
+ fprintf(stdout,"(_generic *)");
+ break;
+ }
} else {
- switch (SPEC_NOUN(p)) { /* depending on the specifier type */
- case V_INT:
- (IS_LONG(p) ? fputs("long ",stdout) :
- ( IS_SHORT(p) ? fputs("short ",stdout) :
- fputs("int ",stdout))) ;
- break;
- case V_FLOAT:
- fputs("float ",stdout);
- break;
+ switch (SPEC_NOUN(p)) { /* depending on the specifier type */
+ case V_INT:
+ (IS_LONG(p) ? fputs("long ",stdout) :
+ ( IS_SHORT(p) ? fputs("short ",stdout) :
+ fputs("int ",stdout))) ;
+ break;
+ case V_FLOAT:
+ fputs("float ",stdout);
+ break;
- case V_CHAR:
- fputs ("char ",stdout);
- break;
+ case V_CHAR:
+ fputs ("char ",stdout);
+ break;
- case V_VOID:
- fputs("void ",stdout);
- break;
+ case V_VOID:
+ fputs("void ",stdout);
+ break;
- case V_STRUCT:
- printStructInfo (SPEC_STRUCT(p));
- break;
+ case V_STRUCT:
+ printStructInfo (SPEC_STRUCT(p));
+ break;
- case V_SBIT:
- fputs("sbit ",stdout);
- break;
+ case V_SBIT:
+ fputs("sbit ",stdout);
+ break;
- case V_BIT:
- fprintf(stdout,": %d" ,SPEC_BLEN(p));
- break;
- }
+ case V_BIT:
+ fprintf(stdout,": %d" ,SPEC_BLEN(p));
+ break;
+ }
}
}
+/*-----------------------------------------------------------------*/
+/* conditionIsTrue - compare variable with constant value */
+/*-----------------------------------------------------------------*/
+int conditionIsTrue( char *s, context *cctxt)
+{
+ symbol *sym = NULL;
+ int fmt;
+ char *rs, *dup, cmp_char;
+ dup = s = Safe_strdup(s);
+ if ( !( rs = preparePrint(s, cctxt, &fmt, &sym )) || !sym)
+ fmt = 1;
+ else if (!( s = strpbrk(rs,"<>=!")))
+ fmt = 1;
+ else
+ {
+ cmp_char = *s;
+ *s++ = '\0';
+ if ( *s == '=' )
+ {
+ /* if <= or >= an other char is used
+ * == or != not checked in switch
+ */
+ switch( cmp_char )
+ {
+ case '>': cmp_char = 'g' ; break;
+ case '<': cmp_char = 'l' ; break;
+ }
+ s++ ;
+ }
+ s = trim_left(s);
+ fmt = printOrSetSymValue(sym,cctxt,0,0,0,rs,s,cmp_char);
+ }
+ Safe_free(dup);
+ return fmt;
+}
+
/*-----------------------------------------------------------------*/
/* cmdPrint - print value of variable */
/*-----------------------------------------------------------------*/
int cmdPrint (char *s, context *cctxt)
-{
+{
symbol *sym ;
- char *bp = s+strlen(s) -1;
-
- while (isspace(*s)) s++;
- if (!*s) return 0;
- while (isspace(*bp)) bp--;
- bp++ ;
- *bp = '\0';
+ int fmt;
+ char *rs;
+ if ( !( rs = preparePrint(s, cctxt, &fmt, &sym )))
+ return 0;
- if ((sym = symLookup(s,cctxt))) {
- printSymValue(sym,cctxt,1,0);
- } else {
- fprintf(stdout,
- "No symbol \"%s\" in current context.\n",
- s);
+ if ( sym )
+ {
+ printOrSetSymValue(sym,cctxt,1,0,fmt,rs,NULL,'\0');
}
return 0;
}
/* cmdOutput - print value of variable without number and newline */
/*-----------------------------------------------------------------*/
int cmdOutput (char *s, context *cctxt)
-{
+{
symbol *sym ;
- char *bp = s+strlen(s) -1;
-
- while (isspace(*s)) s++;
- if (!*s) return 0;
- while (isspace(*bp)) bp--;
- bp++ ;
- *bp = '\0';
+ int fmt;
+ char *rs;
+ if ( !( rs = preparePrint(s, cctxt, &fmt, &sym )))
+ return 0;
- if ((sym = symLookup(s,cctxt))) {
- printSymValue(sym,cctxt,0,0);
- } else {
- fprintf(stdout,
- "No symbol \"%s\" in current context.",
- s);
+ if ( sym )
+ {
+ printOrSetSymValue(sym,cctxt,0,0,fmt,rs,NULL,'\0');
}
return 0;
}
-typedef struct _dsymbol
-{
- char *name;
- int dnum;
-} dsymbol;
-
/** find display entry with this number */
DEFSETFUNC(dsymWithNumber)
return;
for (dsym = setFirstItem(dispsymbols);
dsym ;
- dsym = setNextItem(dispsymbols))
+ dsym = setNextItem(dispsymbols))
{
if ( (sym = symLookup(dsym->name,cctxt)))
- printSymValue(sym,cctxt,2,dsym->dnum);
+ printOrSetSymValue(sym,cctxt,2,dsym->dnum,dsym->fmt,
+ dsym->rs,NULL,'\0');
}
}
/* cmdDisplay - display value of variable */
/*-----------------------------------------------------------------*/
int cmdDisplay (char *s, context *cctxt)
-{
- symbol *sym ;
- char *bp = s+strlen(s) -1;
+{
static int dnum = 1;
-
- while (isspace(*s)) s++;
- if (!*s)
+ symbol *sym ;
+ int fmt;
+ char *rs;
+ if ( !( rs = preparePrint(s, cctxt, &fmt, &sym )))
{
displayAll(cctxt);
return 0;
}
- while (isspace(*bp)) bp--;
- bp++ ;
- *bp = '\0';
- if ((sym = symLookup(s,cctxt)))
+ if ( sym )
{
dsymbol *dsym = (dsymbol *)Safe_calloc(1,sizeof(dsymbol));
dsym->dnum = dnum++ ;
dsym->name = sym->name;
+ dsym->fmt = fmt;
+ dsym->rs = gc_strdup(rs);
addSetHead(&dispsymbols,dsym);
}
- else
- {
- fprintf(stdout,"No symbol \"%s\" in current context.\n",
- s);
- }
return 0;
}
/* cmdUnDisplay - undisplay value of variable */
/*-----------------------------------------------------------------*/
int cmdUnDisplay (char *s, context *cctxt)
-{
+{
dsymbol *dsym;
int dnum;
- while (isspace(*s)) s++;
+ s = trim_left(s);
if (!*s)
{
+ for (dsym = setFirstItem(dispsymbols);
+ dsym;
+ dsym = setNextItem(dispsymbols))
+ {
+ Safe_free(dsym->rs);
+ Safe_free(dsym);
+ }
deleteSet(&dispsymbols);
return 0;
}
while ( s && *s )
{
dnum = strtol(s,&s,10);
- if (applyToSetFTrue(dispsymbols,dsymWithNumber,dnum,&dsym))
+ if (applyToSetFTrue(dispsymbols,dsymWithNumber,dnum,&dsym))
{
deleteSetItem(&dispsymbols,dsym);
- }
+ Safe_free(dsym->rs);
+ Safe_free(dsym);
+ }
else
{
- fprintf(stdout,"Arguments must be display numbers.\n");
+ fprintf(stdout,"Arguments must be display numbers.\n");
}
}
return 0;
/* cmdPrintType - print type of a variable */
/*-----------------------------------------------------------------*/
int cmdPrintType (char *s, context *cctxt)
-{
- symbol *sym ;
- char *bp = s+strlen(s) -1;
+{
+ symbol *sym ;
- while (isspace(*s)) s++;
+ /* trim left and right */
+ s = trim(s);
if (!*s) return 0;
- while (isspace(*bp)) bp--;
- bp++ ;
- *bp = '\0';
if ((sym = symLookup(s,cctxt))) {
- printTypeInfo(sym->type);
- fprintf(stdout,"\n");
+ printTypeInfo(sym->type);
+ fprintf(stdout,"\n");
} else {
- fprintf(stdout,
- "No symbol \"%s\" in current context.\n",
- s);
+ fprintf(stdout,
+ "No symbol \"%s\" in current context.\n",
+ s);
}
- return 0;
+ return 0;
}
/*-----------------------------------------------------------------*/
/* cmdClrUserBp - clear user break point */
/*-----------------------------------------------------------------*/
int cmdClrUserBp (char *s, context *cctxt)
-{
- char *bp ;
+{
+ char *bp ;
function *func = NULL;
-
+
/* clear break point location specification can be of the following
forms
a) <nothing> - break point at current location
*/
if (!cctxt) {
- fprintf(stdout,"No symbol table is loaded. Use the \"file\" command.\n");
- return 0;
+ fprintf(stdout,"No symbol table is loaded. Use the \"file\" command.\n");
+ return 0;
}
- /* white space skip */
- while (*s && isspace(*s)) s++;
-
- /* null terminate it after stripping trailing blanks*/
- bp = s + strlen(s);
- while (bp != s && isspace(*bp)) bp--;
- *bp = '\0';
+ /* trim left and right */
+ s = trim(s);
/* case a) nothing */
/* if nothing given then current location : we know
the current execution location from the currentContext */
if (! *s ) {
- /* if current context is known */
- if (cctxt->func)
- /* clear the break point @ current location */
- clearUSERbp (cctxt->addr);
- else
- fprintf(stderr,"No default breakpoint address now.\n");
-
- goto ret ;
+ /* if current context is known */
+ if (cctxt->func)
+ /* clear the break point @ current location */
+ clearUSERbp (cctxt->addr);
+ else
+ fprintf(stderr,"No default breakpoint address now.\n");
+
+ goto ret ;
}
/* case b) lineno */
/* check if line number */
if (isdigit(*s)) {
- /* get the lineno */
- int line = atoi(s);
-
- /* if current context not present then we must get the module
- which has main & set the break point @ line number provided
- of that module : if current context known then set the bp
- at the line number given for the current module
- */
- if (cctxt->func) {
- if (!cctxt->func->mod) {
- if (!applyToSet(functions,funcWithName,"main"))
- fprintf(stderr,"Function \"main\" not defined.\n");
- else
- clearBPatModLine(func->mod,line);
- } else
- clearBPatModLine(cctxt->func->mod,line);
- }
-
- goto ret;
+ /* get the lineno */
+ int line = atoi(s);
+
+ /* if current context not present then we must get the module
+ which has main & set the break point @ line number provided
+ of that module : if current context known then set the bp
+ at the line number given for the current module
+ */
+ if (cctxt->func) {
+ if (!cctxt->func->mod) {
+ if (!applyToSet(functions,funcWithName,"main"))
+ fprintf(stderr,"Function \"main\" not defined.\n");
+ else
+ clearBPatModLine(func->mod,line);
+ } else
+ clearBPatModLine(cctxt->func->mod,line);
+ }
+
+ goto ret;
}
if ((bp = strchr(s,':'))) {
-
- module *mod = NULL;
- *bp = '\0';
-
- if (!applyToSet(modules,moduleWithCName,s,&mod)) {
- fprintf (stderr,"No source file named %s.\n",s);
- goto ret;
- }
-
- /* case c) filename:lineno */
- if (isdigit(*(bp +1))) {
-
- clearBPatModLine (mod,atoi(bp+1));
- goto ret;
-
- }
- /* case d) filename:function */
- if (!applyToSet(functions,funcWithNameModule,bp+1,s,&func))
- fprintf(stderr,"Function \"%s\" not defined.\n",bp+1);
- else
- clearBPatModLine (mod,func->entryline);
-
- goto ret;
- }
-
+
+ module *mod = NULL;
+ *bp = '\0';
+
+ if (!applyToSet(modules,moduleWithCName,s,&mod)) {
+ fprintf (stderr,"No source file named %s.\n",s);
+ goto ret;
+ }
+
+ /* case c) filename:lineno */
+ if (isdigit(*(bp +1))) {
+
+ clearBPatModLine (mod,atoi(bp+1));
+ goto ret;
+
+ }
+ /* case d) filename:function */
+ if (!applyToSet(functions,funcWithNameModule,bp+1,s,&func))
+ fprintf(stderr,"Function \"%s\" not defined.\n",bp+1);
+ else
+ clearBPatModLine (mod,func->entryline);
+
+ goto ret;
+ }
+
/* case e) function */
if (!applyToSet(functions,funcWithName,s,&func))
- fprintf(stderr,"Function \"%s\" not defined.\n",s);
+ fprintf(stderr,"Function \"%s\" not defined.\n",s);
else
- clearBPatModLine(func->mod,func->entryline);
+ clearBPatModLine(func->mod,func->entryline);
- ret:
- return 0;
+ ret:
+ return 0;
}
-
/*-----------------------------------------------------------------*/
/* cmdSimulator - send command to simulator */
/*-----------------------------------------------------------------*/
int cmdSimulator (char *s, context *cctxt)
-{
+{
char tmpstr[82];
if (strlen(s) > 80) {
return 0;
}
+void setMainContext()
+{
+ function *func = NULL;
+ currentFrame = 0;
+ if (!applyToSet(functions,funcWithName,"_main",&func) &&
+ !applyToSet(functions,funcWithName,"main",&func))
+ return;
+
+ discoverContext (func->sym->addr, func);
+}
+
+function *needExtraMainFunction()
+{
+ function *func = NULL;
+ if (!applyToSet(functions,funcWithName,"_main",&func))
+ {
+ if (applyToSet(functions,funcWithName,"main",&func))
+ {
+ return func;
+ }
+ }
+ return NULL;
+}
+
+static void printFrame()
+{
+ int i;
+ function *func = NULL;
+ function *lastfunc = NULL;
+
+ if ( currentFrame < 0 )
+ {
+ currentFrame = 0;
+ fprintf(stdout,"Bottom (i.e., innermost) frame selected; you cannot go down.\n");
+ return;
+ }
+ STACK_STARTWALK(callStack) ;
+ for ( i = 0; i <= currentFrame ; i++ )
+ {
+ func = STACK_WALK(callStack);
+ if ( !func )
+ {
+ currentFrame = i-1;
+ fprintf(stdout,"Initial frame selected; you cannot go up.\n");
+ return;
+ }
+ }
+ fprintf(stdout,"#%d 0x%08x in %s () at %s:%d\n",
+ currentFrame,func->laddr,func->sym->name,func->mod->c_name,func->lline+1);
+ fprintf(stdout,"\032\032%s:%d:1:beg:0x%08x\n",
+ func->mod->cfullname,func->lline+1,func->laddr);
+
+ discoverContext (func->laddr, func);
+}
+
+
+/*-----------------------------------------------------------------*/
+/* cmdUp - Up command */
+/*-----------------------------------------------------------------*/
+int cmdUp(char *s, context *cctxt)
+{
+ s = trim_left(s);
+ if ( *s )
+ currentFrame += strtol(s,0,10);
+ else
+ currentFrame++ ;
+
+ printFrame();
+ return 0;
+}
+
+/*-----------------------------------------------------------------*/
+/* cmdDown - down command */
+/*-----------------------------------------------------------------*/
+int cmdDown(char *s, context *cctxt)
+{
+ s = trim_left(s);
+ if ( *s )
+ currentFrame -= strtol(s,0,10);
+ else
+ currentFrame-- ;
+
+ printFrame();
+ return 0;
+}
/*-----------------------------------------------------------------*/
/* cmdFrame - Frame command */
/*-----------------------------------------------------------------*/
int cmdFrame (char *s, context *cctxt)
-{
- function *func ;
-
- if ((func = STACK_PEEK(callStack))) {
- fprintf(stdout,"#0 %s () at %s:%d\n",
- func->sym->name,func->mod->c_name,cctxt->cline);
+{
+ function *func = NULL;
+ int framenr = 0;
- if (cctxt->cline < func->mod->ncLines)
- fprintf(stdout,"%d\t%s",
- cctxt->cline,
- func->mod->cLines[cctxt->cline]->src);
- } else
- fprintf(stdout,"No stack.\n");
+ s = trim_left(s);
+ if ( *s )
+ currentFrame = strtol(s,0,10);
+ printFrame();
return 0;
}
/*-----------------------------------------------------------------*/
int cmdFinish (char *s, context *ctxt)
{
- if (!ctxt || ! ctxt->func) {
- fprintf(stdout,"The program is not running.\n");
- return 0;
+ if (STACK_EMPTY(callStack)) {
+ fprintf(stdout,"The program is not running.\n");
+ return 0;
}
if (srcMode == SRC_CMODE) {
- setBreakPoint (ctxt->func->sym->eaddr, CODE, STEP,
- stepBpCB, ctxt->func->mod->c_name,
- ctxt->func->exitline);
+ setBreakPoint (ctxt->func->sym->eaddr, CODE, STEP,
+ stepBpCB, ctxt->func->mod->c_name,
+ ctxt->func->exitline);
} else {
- setBreakPoint (ctxt->func->sym->eaddr, CODE, STEP,
- stepBpCB, ctxt->func->mod->asm_name,
- ctxt->func->aexitline);
+ setBreakPoint (ctxt->func->sym->eaddr, CODE, STEP,
+ stepBpCB, ctxt->func->mod->asm_name,
+ ctxt->func->aexitline);
}
simGo(-1);
+ showfull = 1;
return 0;
-
+
}
int cmdShow (char *s, context *cctxt)
{
/* skip white space */
- while (*s && isspace(*s)) s++ ;
+ s = trim_left(s);
if (strcmp(s,"copying") == 0) {
- fputs(copying,stdout);
- return 0;
+ fputs(copying,stdout);
+ return 0;
}
-
+
if (strcmp(s,"warranty") == 0) {
- fputs(warranty,stdout);
- return 0;
+ fputs(warranty,stdout);
+ return 0;
}
return 0;