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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/drivers/bus/mca.c
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@@ -13,11 +13,6 @@
#include <gpxe/io.h>
#include <gpxe/mca.h>
static struct mca_driver mca_drivers[0]
__table_start ( struct mca_driver, mca_drivers );
static struct mca_driver mca_drivers_end[0]
__table_end ( struct mca_driver, mca_drivers );
static void mcabus_remove ( struct root_device *rootdev );
/**
@@ -41,7 +36,7 @@ static int mca_probe ( struct mca_device *mca ) {
mca->pos[0], mca->pos[1], mca->pos[2], mca->pos[3],
mca->pos[4], mca->pos[5], mca->pos[6], mca->pos[7] );
for ( driver = mca_drivers; driver < mca_drivers_end; driver++ ){
for_each_table_entry ( driver, MCA_DRIVERS ) {
for ( i = 0 ; i < driver->id_count ; i++ ) {
id = &driver->ids[i];
if ( id->id != MCA_ID ( mca ) )