diff options
Diffstat (limited to 'target/linux/generic/hack-4.14/221-module_exports.patch')
| -rw-r--r-- | target/linux/generic/hack-4.14/221-module_exports.patch | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/target/linux/generic/hack-4.14/221-module_exports.patch b/target/linux/generic/hack-4.14/221-module_exports.patch deleted file mode 100644 index 003175c223..0000000000 --- a/target/linux/generic/hack-4.14/221-module_exports.patch +++ /dev/null @@ -1,101 +0,0 @@ -From b14784e7883390c20ed3ff904892255404a5914b Mon Sep 17 00:00:00 2001 -From: Felix Fietkau <nbd@nbd.name> -Date: Fri, 7 Jul 2017 17:05:53 +0200 -Subject: add an optional config option for stripping all unnecessary symbol exports from the kernel image - -lede-commit: bb5a40c64b7c4f4848509fa0a6625055fc9e66cc -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - include/asm-generic/vmlinux.lds.h | 18 +++++++++++++++--- - include/linux/export.h | 9 ++++++++- - scripts/Makefile.build | 2 +- - 3 files changed, 24 insertions(+), 5 deletions(-) - ---- a/include/asm-generic/vmlinux.lds.h -+++ b/include/asm-generic/vmlinux.lds.h -@@ -54,6 +54,16 @@ - #define LOAD_OFFSET 0 - #endif - -+#ifndef SYMTAB_KEEP -+#define SYMTAB_KEEP KEEP(*(SORT(___ksymtab+*))) -+#define SYMTAB_KEEP_GPL KEEP(*(SORT(___ksymtab_gpl+*))) -+#endif -+ -+#ifndef SYMTAB_DISCARD -+#define SYMTAB_DISCARD -+#define SYMTAB_DISCARD_GPL -+#endif -+ - #include <linux/export.h> - - /* Align . to a 8 byte boundary equals to maximum function alignment. */ -@@ -342,14 +352,14 @@ - /* Kernel symbol table: Normal symbols */ \ - __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start___ksymtab) = .; \ -- KEEP(*(SORT(___ksymtab+*))) \ -+ SYMTAB_KEEP \ - VMLINUX_SYMBOL(__stop___ksymtab) = .; \ - } \ - \ - /* Kernel symbol table: GPL-only symbols */ \ - __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \ -- KEEP(*(SORT(___ksymtab_gpl+*))) \ -+ SYMTAB_KEEP_GPL \ - VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \ - } \ - \ -@@ -411,7 +421,7 @@ - \ - /* Kernel symbol table: strings */ \ - __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ -- *(__ksymtab_strings) \ -+ *(__ksymtab_strings+*) \ - } \ - \ - /* __*init sections */ \ -@@ -796,6 +806,8 @@ - EXIT_TEXT \ - EXIT_DATA \ - EXIT_CALL \ -+ SYMTAB_DISCARD \ -+ SYMTAB_DISCARD_GPL \ - *(.discard) \ - *(.discard.*) \ - } ---- a/include/linux/export.h -+++ b/include/linux/export.h -@@ -60,12 +60,19 @@ extern struct module __this_module; - #define __CRC_SYMBOL(sym, sec) - #endif - -+#ifdef MODULE -+#define __EXPORT_SUFFIX(sym) -+#else -+#define __EXPORT_SUFFIX(sym) "+" #sym -+#endif -+ - /* For every exported symbol, place a struct in the __ksymtab section */ - #define ___EXPORT_SYMBOL(sym, sec) \ - extern typeof(sym) sym; \ - __CRC_SYMBOL(sym, sec) \ - static const char __kstrtab_##sym[] \ -- __attribute__((section("__ksymtab_strings"), aligned(1))) \ -+ __attribute__((section("__ksymtab_strings" \ -+ __EXPORT_SUFFIX(sym)), aligned(1))) \ - = VMLINUX_SYMBOL_STR(sym); \ - static const struct kernel_symbol __ksymtab_##sym \ - __used \ ---- a/scripts/Makefile.build -+++ b/scripts/Makefile.build -@@ -432,7 +432,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $( - # Linker scripts preprocessor (.lds.S -> .lds) - # --------------------------------------------------------------------------- - quiet_cmd_cpp_lds_S = LDS $@ -- cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -U$(ARCH) \ -+ cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -U$(ARCH) \ - -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $< - - $(obj)/%.lds: $(src)/%.lds.S FORCE |