int dmtcp::Util::readProcMapsLine(int mapsfd, dmtcp::Util::ProcMapsArea *area)
{
char c, rflag, sflag, wflag, xflag;
int i;
unsigned int long devmajor, devminor, inodenum;
VA startaddr, endaddr;
c = readHex (mapsfd, &startaddr);
if (c != '-') {
if ((c == 0) && (startaddr == 0)) return (0);
goto skipeol;
}
c = readHex (mapsfd, &endaddr);
if (c != ' ') goto skipeol;
if (endaddr < startaddr) goto skipeol;
rflag = c = readChar (mapsfd);
if ((c != 'r') && (c != '-')) goto skipeol;
wflag = c = readChar (mapsfd);
if ((c != 'w') && (c != '-')) goto skipeol;
xflag = c = readChar (mapsfd);
if ((c != 'x') && (c != '-')) goto skipeol;
sflag = c = readChar (mapsfd);
if ((c != 's') && (c != 'p')) goto skipeol;
c = readChar (mapsfd);
if (c != ' ') goto skipeol;
c = readHex (mapsfd, (VA *)&devmajor);
if (c != ' ') goto skipeol;
area -> offset = (off_t)devmajor;
c = readHex (mapsfd, (VA *)&devmajor);
if (c != ':') goto skipeol;
c = readHex (mapsfd, (VA *)&devminor);
if (c != ' ') goto skipeol;
c = readDec (mapsfd, (VA *)&inodenum);
area -> name[0] = '\0';
while (c == ' ') c = readChar (mapsfd);
if (c == '/' || c == '[') { /* absolute pathname, or [stack], [vdso], etc. */
i = 0;
do {
area -> name[i++] = c;
if (i == sizeof area -> name) goto skipeol;
c = readChar (mapsfd);
} while (c != '\n');
area -> name[i] = '\0';
}
if (c != '\n') goto skipeol;
area -> addr = startaddr;
area -> size = endaddr - startaddr;
area -> endAddr = endaddr;
area -> prot = 0;
if (rflag == 'r') area -> prot |= PROT_READ;
if (wflag == 'w') area -> prot |= PROT_WRITE;
if (xflag == 'x') area -> prot |= PROT_EXEC;
area -> flags = MAP_FIXED;
if (sflag == 's') area -> flags |= MAP_SHARED;
if (sflag == 'p') area -> flags |= MAP_PRIVATE;
if (area -> name[0] == '\0') area -> flags |= MAP_ANONYMOUS;
return (1);
skipeol:
JASSERT(false) .Text("Not Reached");
return (0); /* NOTREACHED : stop compiler warning */
}
int getDec(void)
{
extern text_t *dport_ptr;
return readDec(dport_ptr);
}
