Esempi in C++ (Cpp) per dwarfpctoline

Esempio n. 1

File: dwarfdump.c Progetto: GYGit/reactos

void
main(int argc, char **argv)
{
	int c;
	Pe *pe;
	Dwarf *d;
	DwarfSym s;
	char *cdir, *dir, *file;
	ulong line, mtime, length;

	if(argc != 2)
		usage();

#if 0
	fmtinstall('R', exprfmt);
	fmtinstall('H', encodefmt);
#endif

	if((pe = peopen(argv[1])) == nil)
		sysfatal("elfopen %s: %r", argv[1]);
	if((d=dwarfopen(pe)) == nil)
		sysfatal("dwarfopen: %r");

	if(dwarfenum(d, &s) < 0)
		sysfatal("dwarfenumall: %r");

	while(dwarfnextsym(d, &s) == 1){
		switch(s.attrs.tag){
		case TagCompileUnit:
			print("compileunit %s\n", s.attrs.name);
			break;
		case TagSubprogram:
			c = 't';
			goto sym;
		case TagVariable:
			c = 'd';
			goto sym;
		case TagConstant:
			c = 'c';
			goto sym;
		case TagFormalParameter:
			if(!s.attrs.name)
				break;
			c = 'p';
		sym:
			if(s.attrs.isexternal)
				c += 'A' - 'a';
			print("%c %s", c, s.attrs.name);
			if(s.attrs.have.lowpc)
				print(" 0x%lux-0x%lux", s.attrs.lowpc, s.attrs.highpc);
			switch(s.attrs.have.location){
			case TBlock:
				print(" @ %.*H", s.attrs.location.b.len, s.attrs.location.b.data);
				break;
			case TConstant:
				print(" @ 0x%lux", s.attrs.location.c);
				break;
			}
			if(s.attrs.have.ranges)
				print(" ranges@0x%lux", s.attrs.ranges);
			print("\n");
			if(s.attrs.have.lowpc){
				if(dwarfpctoline(d, s.attrs.lowpc, &cdir, &dir, &file, &line, &mtime, &length) < 0)
					print("\tcould not find source: %r\n");
				else if(dir == nil)
					print("\t%s/%s:%lud mtime=%lud length=%lud\n",
						cdir, file, line, mtime, length);
				else
					print("\t%s/%s/%s:%lud mtime=%lud length=%lud\n",
						cdir, dir, file, line, mtime, length);

				if(0) printrules(d, s.attrs.lowpc);
				if(0) printrules(d, (s.attrs.lowpc+s.attrs.highpc)/2);
			}
			break;
		}
	}
	exits(0);
}

Esempio n. 2

File: find.c Progetto: HBelusca/NasuTek-Odyssey

BOOLEAN
RosSymGetAddressInformation
(PROSSYM_INFO RosSymInfo,
 ULONG_PTR RelativeAddress,
 PROSSYM_LINEINFO RosSymLineInfo)
{
    ROSSYM_REGISTERS registers;
    DwarfParam params[sizeof(RosSymLineInfo->Parameters)/sizeof(RosSymLineInfo->Parameters[0])];
    DwarfSym proc = { };
    int i;
	int res = dwarfpctoline
		(RosSymInfo, 
         &proc,
		 RelativeAddress + RosSymInfo->pe->imagebase, 
		 &RosSymLineInfo->FileName,
		 &RosSymLineInfo->FunctionName,
		 &RosSymLineInfo->LineNumber);
	if (res == -1) {
        werrstr("Could not get basic function info");
		return FALSE;
    }

    if (!(RosSymLineInfo->Flags & ROSSYM_LINEINFO_HAS_REGISTERS))
        return TRUE;

    registers = RosSymLineInfo->Registers;

    DwarfExpr cfa = { };
    ulong cfaLocation;
    if (dwarfregunwind
        (RosSymInfo, 
         RelativeAddress + RosSymInfo->pe->imagebase, 
         proc.attrs.framebase.c, 
         &cfa,
         &registers) == -1) {
        werrstr("Can't get cfa location for %s", RosSymLineInfo->FunctionName);
        return TRUE;
    }

    res = dwarfgetparams
        (RosSymInfo,
         &proc,
         RelativeAddress + RosSymInfo->pe->imagebase,
         sizeof(params)/sizeof(params[0]),
         params);

    if (res == -1) {
        werrstr("%s: could not get params at all", RosSymLineInfo->FunctionName);
        RosSymLineInfo->NumParams = 0;
        return TRUE;
    }

    werrstr("%s: res %d", RosSymLineInfo->FunctionName, res);
    RosSymLineInfo->NumParams = res;

    res = dwarfcomputecfa(RosSymInfo, &cfa, &registers, &cfaLocation);
    if (res == -1) {
        werrstr("%s: could not get our own cfa", RosSymLineInfo->FunctionName);
        return TRUE;
    }

    for (i = 0; i < RosSymLineInfo->NumParams; i++) {
        werrstr("Getting arg %s, unit %x, type %x", 
                params[i].name, params[i].unit, params[i].type);
        res = dwarfargvalue
            (RosSymInfo, 
             &proc, 
             RelativeAddress + RosSymInfo->pe->imagebase,
             cfaLocation,
             &registers,
             &params[i]);
        if (res == -1) { RosSymLineInfo->NumParams = i; return TRUE; }
        werrstr("%s: %x", params[i].name, params[i].value);
        RosSymLineInfo->Parameters[i].ValueName = malloc(strlen(params[i].name)+1);
        strcpy(RosSymLineInfo->Parameters[i].ValueName, params[i].name);
        free(params[i].name);
        RosSymLineInfo->Parameters[i].Value = params[i].value;
    }

    return TRUE;
}