bool
rtems_rtl_obj_add_section (rtems_rtl_obj_t* obj,
int section,
const char* name,
size_t size,
off_t offset,
uint32_t alignment,
int link,
int info,
uint32_t flags)
{
rtems_rtl_obj_sect_t* sect = rtems_rtl_alloc_new (RTEMS_RTL_ALLOC_OBJECT,
sizeof (rtems_rtl_obj_sect_t), true);
if (!sect)
{
rtems_rtl_set_error (ENOMEM, "adding allocated section");
return false;
}
sect->section = section;
sect->name = rtems_rtl_strdup (name);
sect->size = size;
sect->offset = offset;
sect->alignment = alignment;
sect->link = link;
sect->info = info;
sect->flags = flags;
sect->base = NULL;
rtems_chain_append (&obj->sections, §->node);
if (rtems_rtl_trace (RTEMS_RTL_TRACE_SECTION))
printf ("rtl: sect: %-2d: %s\n", section, name);
return true;
}
bool
rtems_rtl_find_file (const char* name,
const char* paths,
const char** file_name,
size_t* size)
{
struct stat sb;
*file_name = NULL;
*size = 0;
if (rtems_filesystem_is_delimiter (name[0]) || (name[0] == '.'))
{
if (stat (name, &sb) == 0)
*file_name = rtems_rtl_strdup (name);
}
else if (paths)
{
const char* start;
const char* end;
int len;
char* fname;
start = paths;
end = start + strlen (paths);
len = strlen (name);
while (!*file_name && (start != end))
{
const char* delimiter = strchr (start, ':');
if (delimiter == NULL)
delimiter = end;
/*
* Allocate the path fragment, separator, name, terminating nul. Form the
* path then see if the stat call works.
*/
fname = rtems_rtl_alloc_new (RTEMS_RTL_ALLOC_OBJECT,
(delimiter - start) + 1 + len + 1, true);
if (!fname)
{
rtems_rtl_set_error (ENOMEM, "no memory searching for file");
return false;
}
memcpy (fname, start, delimiter - start);
fname[delimiter - start] = '/';
memcpy (fname + (delimiter - start) + 1, name, len);
if (rtems_rtl_trace (RTEMS_RTL_TRACE_LOAD))
printf ("rtl: find-file: path: %s\n", fname);
if (stat (fname, &sb) < 0)
rtems_rtl_alloc_del (RTEMS_RTL_ALLOC_OBJECT, fname);
else
*file_name = fname;
start = delimiter;
if (start != end)
++start;
}
}
if (!*file_name)
return false;
*size = sb.st_size;
return true;
}
