Add error checking to lto_section_read
gcc/lto/: 2011-10-09 Andi Kleen <ak@linux.intel.com> * lto.c (lto_section_read): Call fatal_error on IO or mmap errors. From-SVN: r180065
This commit is contained in:
parent
b74bdc6145
commit
5958009b73
|
@ -1,3 +1,7 @@
|
|||
2011-10-09 Andi Kleen <ak@linux.intel.com>
|
||||
|
||||
* lto.c (lto_section_read): Call fatal_error on IO or mmap errors.
|
||||
|
||||
2011-10-11 Michael Meissner <meissner@linux.vnet.ibm.com>
|
||||
|
||||
* lto-lang.c (def_builtin_1): Delete old interface with two
|
||||
|
|
|
@ -1237,7 +1237,10 @@ lto_read_section_data (struct lto_file_decl_data *file_data,
|
|||
{
|
||||
fd = open (file_data->file_name, O_RDONLY|O_BINARY);
|
||||
if (fd == -1)
|
||||
return NULL;
|
||||
{
|
||||
fatal_error ("Cannot open %s", file_data->file_name);
|
||||
return NULL;
|
||||
}
|
||||
fd_name = xstrdup (file_data->file_name);
|
||||
}
|
||||
|
||||
|
@ -1255,7 +1258,10 @@ lto_read_section_data (struct lto_file_decl_data *file_data,
|
|||
result = (char *) mmap (NULL, computed_len, PROT_READ, MAP_PRIVATE,
|
||||
fd, computed_offset);
|
||||
if (result == MAP_FAILED)
|
||||
return NULL;
|
||||
{
|
||||
fatal_error ("Cannot map %s", file_data->file_name);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return result + diff;
|
||||
#else
|
||||
|
@ -1264,6 +1270,7 @@ lto_read_section_data (struct lto_file_decl_data *file_data,
|
|||
|| read (fd, result, len) != (ssize_t) len)
|
||||
{
|
||||
free (result);
|
||||
fatal_error ("Cannot read %s", file_data->file_name);
|
||||
result = NULL;
|
||||
}
|
||||
#ifdef __MINGW32__
|
||||
|
|
Loading…
Reference in New Issue