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authorOlof Johansson <olof@lixom.net>2012-03-10 12:15:30 -0500
committerOlof Johansson <olof@lixom.net>2012-03-10 12:15:30 -0500
commitc454f813501b94cd687bf3c5c0783f815a854905 (patch)
tree8b6e1719ba4470e478d719ca0cf935501370e237 /scripts/mod/file2alias.c
parent1ad4fb2f7cbc21db9cdbb53e25ce348d93bbd6e7 (diff)
parent63fc5f3bb3d0ca9ab4767a801b518aa6335f87ad (diff)
Merge branch 'board' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/boards
* 'board' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP: add minimal support for Nokia RM-696 ARM: OMAP: enable Bluetooth on the PandaBoard ARM: OMAP: pandora: add support for backlight and poweroff ARM: OMAP4: board-4430sdp: don't initialize value that is never used ARM: OMAP3: cm-t3517: add EMAC support ARM: OMAP: move generic EMAC init to separate file ARM: OMAP3: RX-51: add explicit mux configuration of tsc2005 control gpios ARM: OMAP: Add omap_reserve functionality (includes sync-up to 3.3-rc6)
Diffstat (limited to 'scripts/mod/file2alias.c')
-rw-r--r--scripts/mod/file2alias.c35
1 files changed, 31 insertions, 4 deletions
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index d0de2a2c3a2d..b89efe6e4c85 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -46,11 +46,37 @@ struct devtable {
46 void *function; 46 void *function;
47}; 47};
48 48
49#define ___cat(a,b) a ## b
50#define __cat(a,b) ___cat(a,b)
51
52/* we need some special handling for this host tool running eventually on
53 * Darwin. The Mach-O section handling is a bit different than ELF section
54 * handling. The differnces in detail are:
55 * a) we have segments which have sections
56 * b) we need a API call to get the respective section symbols */
57#if defined(__MACH__)
58#include <mach-o/getsect.h>
59
60#define INIT_SECTION(name) do { \
61 unsigned long name ## _len; \
62 char *__cat(pstart_,name) = getsectdata("__TEXT", \
63 #name, &__cat(name,_len)); \
64 char *__cat(pstop_,name) = __cat(pstart_,name) + \
65 __cat(name, _len); \
66 __cat(__start_,name) = (void *)__cat(pstart_,name); \
67 __cat(__stop_,name) = (void *)__cat(pstop_,name); \
68 } while (0)
69#define SECTION(name) __attribute__((section("__TEXT, " #name)))
70
71struct devtable **__start___devtable, **__stop___devtable;
72#else
73#define INIT_SECTION(name) /* no-op for ELF */
74#define SECTION(name) __attribute__((section(#name)))
75
49/* We construct a table of pointers in an ELF section (pointers generally 76/* We construct a table of pointers in an ELF section (pointers generally
50 * go unpadded by gcc). ld creates boundary syms for us. */ 77 * go unpadded by gcc). ld creates boundary syms for us. */
51extern struct devtable *__start___devtable[], *__stop___devtable[]; 78extern struct devtable *__start___devtable[], *__stop___devtable[];
52#define ___cat(a,b) a ## b 79#endif /* __MACH__ */
53#define __cat(a,b) ___cat(a,b)
54 80
55#if __GNUC__ == 3 && __GNUC_MINOR__ < 3 81#if __GNUC__ == 3 && __GNUC_MINOR__ < 3
56# define __used __attribute__((__unused__)) 82# define __used __attribute__((__unused__))
@@ -65,8 +91,8 @@ extern struct devtable *__start___devtable[], *__stop___devtable[];
65 (type *)NULL, \ 91 (type *)NULL, \
66 (char *)NULL)), \ 92 (char *)NULL)), \
67 sizeof(type), (function) }; \ 93 sizeof(type), (function) }; \
68 static struct devtable *__attribute__((section("__devtable"))) \ 94 static struct devtable *SECTION(__devtable) __used \
69 __used __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__) 95 __cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
70 96
71#define ADD(str, sep, cond, field) \ 97#define ADD(str, sep, cond, field) \
72do { \ 98do { \
@@ -1080,6 +1106,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
1080 do_pnp_card_entries(symval, sym->st_size, mod); 1106 do_pnp_card_entries(symval, sym->st_size, mod);
1081 else { 1107 else {
1082 struct devtable **p; 1108 struct devtable **p;
1109 INIT_SECTION(__devtable);
1083 1110
1084 for (p = __start___devtable; p < __stop___devtable; p++) { 1111 for (p = __start___devtable; p < __stop___devtable; p++) {
1085 if (sym_is(name, namelen, (*p)->device_id)) { 1112 if (sym_is(name, namelen, (*p)->device_id)) {