mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-24 19:56:15 +02:00
9b8c34de26
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17204 3c298f89-4303-0410-b956-a3cf2f4a3e73
192 lines
5.0 KiB
Diff
192 lines
5.0 KiB
Diff
--- a/include/asm-generic/vmlinux.lds.h
|
|
+++ b/include/asm-generic/vmlinux.lds.h
|
|
@@ -2,6 +2,27 @@
|
|
#define LOAD_OFFSET 0
|
|
#endif
|
|
|
|
+#ifndef SYMTAB_KEEP_STR
|
|
+#define SYMTAB_KEEP_STR *(__ksymtab_strings.*)
|
|
+#define SYMTAB_DISCARD_STR
|
|
+#else
|
|
+#define SYMTAB_DISCARD_STR *(__ksymtab_strings.*)
|
|
+#endif
|
|
+
|
|
+#ifndef SYMTAB_KEEP
|
|
+#define SYMTAB_KEEP *(__ksymtab.*)
|
|
+#define SYMTAB_DISCARD
|
|
+#else
|
|
+#define SYMTAB_DISCARD *(__ksymtab.*)
|
|
+#endif
|
|
+
|
|
+#ifndef SYMTAB_KEEP_GPL
|
|
+#define SYMTAB_KEEP_GPL *(__ksymtab_gpl.*)
|
|
+#define SYMTAB_DISCARD_GPL
|
|
+#else
|
|
+#define SYMTAB_DISCARD_GPL *(__ksymtab_gpl.*)
|
|
+#endif
|
|
+
|
|
#ifndef VMLINUX_SYMBOL
|
|
#define VMLINUX_SYMBOL(_sym_) _sym_
|
|
#endif
|
|
@@ -124,35 +145,35 @@
|
|
/* Kernel symbol table: Normal symbols */ \
|
|
__ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab) = .; \
|
|
- *(__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) = .; \
|
|
- *(__ksymtab_gpl) \
|
|
+ SYMTAB_KEEP_GPL \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: Normal unused symbols */ \
|
|
__ksymtab_unused : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab_unused) = .; \
|
|
- *(__ksymtab_unused) \
|
|
+ *(__ksymtab_unused.*) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_unused) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-only unused symbols */ \
|
|
__ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .; \
|
|
- *(__ksymtab_unused_gpl) \
|
|
+ *(__ksymtab_unused_gpl.*) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .; \
|
|
} \
|
|
\
|
|
/* Kernel symbol table: GPL-future-only symbols */ \
|
|
__ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
|
|
VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .; \
|
|
- *(__ksymtab_gpl_future) \
|
|
+ *(__ksymtab_gpl_future.*) \
|
|
VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \
|
|
} \
|
|
\
|
|
@@ -193,7 +214,13 @@
|
|
\
|
|
/* Kernel symbol table: strings */ \
|
|
__ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) { \
|
|
- *(__ksymtab_strings) \
|
|
+ SYMTAB_KEEP_STR \
|
|
+ } \
|
|
+ \
|
|
+ /DISCARD/ : { \
|
|
+ SYMTAB_DISCARD \
|
|
+ SYMTAB_DISCARD_GPL \
|
|
+ SYMTAB_DISCARD_STR \
|
|
} \
|
|
\
|
|
/* __*init sections */ \
|
|
--- a/include/linux/module.h
|
|
+++ b/include/linux/module.h
|
|
@@ -187,16 +187,24 @@ void *__symbol_get_gpl(const char *symbo
|
|
#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))) \
|
|
= MODULE_SYMBOL_PREFIX #sym; \
|
|
static const struct kernel_symbol __ksymtab_##sym \
|
|
__used \
|
|
- __attribute__((section("__ksymtab" sec), unused)) \
|
|
+ __attribute__((section("__ksymtab" sec \
|
|
+ __EXPORT_SUFFIX(sym)), unused)) \
|
|
= { (unsigned long)&sym, __kstrtab_##sym }
|
|
|
|
#define EXPORT_SYMBOL(sym) \
|
|
--- a/Makefile
|
|
+++ b/Makefile
|
|
@@ -963,7 +963,7 @@ prepare: prepare0
|
|
# Leave this as default for preprocessing vmlinux.lds.S, which is now
|
|
# done in arch/$(ARCH)/kernel/Makefile
|
|
|
|
-export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH)
|
|
+export CPPFLAGS_vmlinux.lds += -P -C -U$(ARCH) $(EXTRA_LDSFLAGS)
|
|
|
|
# The asm symlink changes when $(ARCH) changes.
|
|
# Detect this and ask user to run make mrproper
|
|
--- a/arch/powerpc/kernel/vmlinux.lds.S
|
|
+++ b/arch/powerpc/kernel/vmlinux.lds.S
|
|
@@ -37,12 +37,6 @@ jiffies = jiffies_64 + 4;
|
|
#endif
|
|
SECTIONS
|
|
{
|
|
- /* Sections to be discarded. */
|
|
- /DISCARD/ : {
|
|
- *(.exitcall.exit)
|
|
- EXIT_DATA
|
|
- }
|
|
-
|
|
. = KERNELBASE;
|
|
|
|
/*
|
|
@@ -290,6 +284,12 @@ SECTIONS
|
|
__bss_stop = .;
|
|
}
|
|
|
|
+ /* Sections to be discarded. */
|
|
+ /DISCARD/ : {
|
|
+ *(.exitcall.exit)
|
|
+ EXIT_DATA
|
|
+ }
|
|
+
|
|
. = ALIGN(PAGE_SIZE);
|
|
_end = . ;
|
|
PROVIDE32 (end = .);
|
|
--- a/arch/arm/kernel/vmlinux.lds.S
|
|
+++ b/arch/arm/kernel/vmlinux.lds.S
|
|
@@ -76,16 +76,6 @@ SECTIONS
|
|
#endif
|
|
}
|
|
|
|
- /DISCARD/ : { /* Exit code and data */
|
|
- EXIT_TEXT
|
|
- EXIT_DATA
|
|
- *(.exitcall.exit)
|
|
-#ifndef CONFIG_MMU
|
|
- *(.fixup)
|
|
- *(__ex_table)
|
|
-#endif
|
|
- }
|
|
-
|
|
.text : { /* Real text segment */
|
|
_text = .; /* Text and read-only data */
|
|
__exception_text_start = .;
|
|
@@ -173,6 +163,17 @@ SECTIONS
|
|
*(COMMON)
|
|
_end = .;
|
|
}
|
|
+
|
|
+ /DISCARD/ : { /* Exit code and data */
|
|
+ EXIT_TEXT
|
|
+ EXIT_DATA
|
|
+ *(.exitcall.exit)
|
|
+#ifndef CONFIG_MMU
|
|
+ *(.fixup)
|
|
+ *(__ex_table)
|
|
+#endif
|
|
+ }
|
|
+
|
|
/* Stabs debugging sections. */
|
|
.stab 0 : { *(.stab) }
|
|
.stabstr 0 : { *(.stabstr) }
|