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| author | Felix Fietkau <nbd@nbd.name> | 2017-01-27 14:32:10 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-02-04 20:28:14 +0100 |
| commit | f791fb4af45032a653ba7c850f4564923871cb16 (patch) | |
| tree | c1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/221-module_exports.patch | |
| parent | 7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff) | |
| download | mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.zip mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.gz mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.bz2 | |
kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/221-module_exports.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/221-module_exports.patch | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/221-module_exports.patch b/target/linux/generic/patches-4.9/221-module_exports.patch new file mode 100644 index 0000000..85d0974 --- /dev/null +++ b/target/linux/generic/patches-4.9/221-module_exports.patch @@ -0,0 +1,88 @@ +--- 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. */ +@@ -329,14 +339,14 @@ + /* 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) = .; \ + } \ + \ +@@ -398,7 +408,7 @@ + \ + /* Kernel symbol table: strings */ \ + __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \ +- *(__ksymtab_strings) \ ++ *(__ksymtab_strings+*) \ + } \ + \ + /* __*init sections */ \ +@@ -749,6 +759,8 @@ + EXIT_TEXT \ + EXIT_DATA \ + EXIT_CALL \ ++ SYMTAB_DISCARD \ ++ SYMTAB_DISCARD_GPL \ + *(.discard) \ + *(.discard.*) \ + } +--- a/scripts/Makefile.build ++++ b/scripts/Makefile.build +@@ -398,7 +398,7 @@ targets += $(extra-y) $(MAKECMDGOALS) $( + # Linker scripts preprocessor (.lds.S -> .lds) + # --------------------------------------------------------------------------- + quiet_cmd_cpp_lds_S = LDS $@ +- cmd_cpp_lds_S = $(CPP) $(cpp_flags) -P -C -U$(ARCH) \ ++ cmd_cpp_lds_S = $(CPP) $(EXTRA_LDSFLAGS) $(cpp_flags) -P -C -U$(ARCH) \ + -D__ASSEMBLY__ -DLINKER_SCRIPT -o $@ $< + + $(obj)/%.lds: $(src)/%.lds.S FORCE +--- a/include/linux/export.h ++++ b/include/linux/export.h +@@ -53,12 +53,19 @@ 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 \ |