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[tables] Redefine methods for accessing linker tables

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Intel's C compiler (icc) chokes on the zero-length arrays that we
currently use as part of the mechanism for accessing linker table
entries.  Abstract away the zero-length arrays, to make a port to icc
easier.

Introduce macros such as for_each_table_entry() to simplify the common
case of iterating over all entries in a linker table.

Represent table names as #defined string constants rather than
unquoted literals; this avoids visual confusion between table names
and C variable or type names, and also allows us to force a
compilation error in the event of incorrect table names.
This commit is contained in:
Michael Brown
2009-03-12 19:41:40 +00:00
parent 3ed468e0c5
commit 1266d7902b
48 changed files with 239 additions and 264 deletions
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7
src/core/device.c
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@@ -29,11 +29,6 @@
*
*/
static struct root_device root_devices[0]
__table_start ( struct root_device, root_devices );
static struct root_device root_devices_end[0]
__table_end ( struct root_device, root_devices );
/** Registered root devices */
static LIST_HEAD ( devices );
@@ -77,7 +72,7 @@ static void probe_devices ( void ) {
struct root_device *rootdev;
int rc;
for ( rootdev = root_devices; rootdev < root_devices_end; rootdev++ ) {
for_each_table_entry ( rootdev, ROOT_DEVICES ) {
list_add ( &rootdev->dev.siblings, &devices );
INIT_LIST_HEAD ( &rootdev->dev.children );
if ( ( rc = rootdev_probe ( rootdev ) ) != 0 )