1 files changed, 32 insertions, 15 deletions

diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index c0e14b3f2306..b89efe6e4c85 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -46,11 +46,37 @@ struct devtable {
         void *function;
 };
 
+#define ___cat(a,b) a ## b
+#define __cat(a,b) ___cat(a,b)
+
+/* we need some special handling for this host tool running eventually on
+ * Darwin. The Mach-O section handling is a bit different than ELF section
+ * handling. The differnces in detail are:
+ *  a) we have segments which have sections
+ *  b) we need a API call to get the respective section symbols */
+#if defined(__MACH__)
+#include <mach-o/getsect.h>
+
+#define INIT_SECTION(name)  do {                                        \
+                unsigned long name ## _len;                             \
+                char *__cat(pstart_,name) = getsectdata("__TEXT",       \
+                        #name, &__cat(name,_len));                      \
+                char *__cat(pstop_,name) = __cat(pstart_,name) +        \
+                        __cat(name, _len);                              \
+                __cat(__start_,name) = (void *)__cat(pstart_,name);     \
+                __cat(__stop_,name) = (void *)__cat(pstop_,name);       \
+        } while (0)
+#define SECTION(name)   __attribute__((section("__TEXT, " #name)))
+
+struct devtable **__start___devtable, **__stop___devtable;
+#else
+#define INIT_SECTION(name) /* no-op for ELF */
+#define SECTION(name)   __attribute__((section(#name)))
+
 /* We construct a table of pointers in an ELF section (pointers generally
  * go unpadded by gcc).  ld creates boundary syms for us. */
 extern struct devtable *__start___devtable[], *__stop___devtable[];
-#define ___cat(a,b) a ## b
-#define __cat(a,b) ___cat(a,b)
+#endif /* __MACH__ */
 
 #if __GNUC__ == 3 && __GNUC_MINOR__ < 3
 # define __used                 __attribute__((__unused__))
@@ -65,8 +91,8 @@ extern struct devtable *__start___devtable[], *__stop___devtable[];
                                                 (type *)NULL,           \
                                                 (char *)NULL)),         \
                 sizeof(type), (function) };                             \
-        static struct devtable *__attribute__((section("__devtable"))) \
-                __used __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
+        static struct devtable *SECTION(__devtable) __used \
+                __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
 
 #define ADD(str, sep, cond, field)                              \
 do {                                                            \
@@ -823,16 +849,6 @@ static int do_spi_entry(const char *filename, struct spi_device_id *id,
 }
 ADD_TO_DEVTABLE("spi", struct spi_device_id, do_spi_entry);
 
-/* Looks like: mcp:S */
-static int do_mcp_entry(const char *filename, struct mcp_device_id *id,
-                        char *alias)
-{
-        sprintf(alias, MCP_MODULE_PREFIX "%s", id->name);
-
-        return 1;
-}
-ADD_TO_DEVTABLE("mcp", struct mcp_device_id, do_mcp_entry); 
-
 static const struct dmifield {
         const char *prefix;
         int field;
@@ -942,7 +958,7 @@ static int do_isapnp_entry(const char *filename,
                 (id->function >> 12) & 0x0f, (id->function >> 8) & 0x0f);
         return 1;
 }
-ADD_TO_DEVTABLE("isa", struct isapnp_device_id, do_isapnp_entry);
+ADD_TO_DEVTABLE("isapnp", struct isapnp_device_id, do_isapnp_entry);
 
 /*
  * Append a match expression for a single masked hex digit.
@@ -1090,6 +1106,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
                 do_pnp_card_entries(symval, sym->st_size, mod);
         else {
                 struct devtable **p;
+                INIT_SECTION(__devtable);
 
                 for (p = __start___devtable; p < __stop___devtable; p++) {
                         if (sym_is(name, namelen, (*p)->device_id)) {