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generic: make the module reloc pacth work on mips64 

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37685 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
John Crispin 2013-08-04 13:54:42 +00:00
parent c90d6b25d5
commit b09bb5279a
1 changed files with 26 additions and 17 deletions
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43
target/linux/generic/patches-3.10/305-mips_module_reloc.patch
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@ -1,6 +1,8 @@
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -90,8 +90,13 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
Index: linux-3.10/arch/mips/Makefile
===================================================================
--- linux-3.10.orig/arch/mips/Makefile 2013-08-04 14:03:15.323485386 +0200
+++ linux-3.10/arch/mips/Makefile 2013-08-04 14:03:15.379485387 +0200
@@ -90,8 +90,13 @@
cflags-y += -G 0 -mno-abicalls -fno-pic -pipe -mno-branch-likely
cflags-y += -msoft-float
LDFLAGS_vmlinux += -G 0 -static -n -nostdlib --gc-sections
@ -14,9 +16,11 @@
ifndef CONFIG_FUNCTION_TRACER
KBUILD_CFLAGS_KERNEL += -ffunction-sections -fdata-sections
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -11,6 +11,11 @@ struct mod_arch_specific {
Index: linux-3.10/arch/mips/include/asm/module.h
===================================================================
--- linux-3.10.orig/arch/mips/include/asm/module.h 2013-07-01 00:13:29.000000000 +0200
+++ linux-3.10/arch/mips/include/asm/module.h 2013-08-04 14:03:15.383485387 +0200
@@ -11,6 +11,11 @@
const struct exception_table_entry *dbe_start;
const struct exception_table_entry *dbe_end;
struct mips_hi16 *r_mips_hi16_list;
@ -28,9 +32,11 @@
};
typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -42,14 +42,219 @@ struct mips_hi16 {
Index: linux-3.10/arch/mips/kernel/module.c
===================================================================
--- linux-3.10.orig/arch/mips/kernel/module.c 2013-07-01 00:13:29.000000000 +0200
+++ linux-3.10/arch/mips/kernel/module.c 2013-08-04 15:31:24.995611431 +0200
@@ -42,14 +42,222 @@
static LIST_HEAD(dbe_list);
static DEFINE_SPINLOCK(dbe_lock);
@ -220,6 +226,14 @@
+ unsigned int core_size, init_size;
+ int i;
+
+ mod->arch.phys_plt_offset = 0;
+ mod->arch.virt_plt_offset = 0;
+ mod->arch.phys_plt_tbl = NULL;
+ mod->arch.virt_plt_tbl = NULL;
+
+ if (IS_ENABLED(CONFIG_64BIT))
+ return 0;
+
+ for (i = 1; i < hdr->e_shnum; i++)
+ if (sechdrs[i].sh_type == SHT_SYMTAB)
+ symindex = i;
@ -227,11 +241,6 @@
+ core_size = get_plt_size(hdr, sechdrs, secstrings, symindex, false);
+ init_size = get_plt_size(hdr, sechdrs, secstrings, symindex, true);
+
+ mod->arch.phys_plt_offset = 0;
+ mod->arch.virt_plt_offset = 0;
+ mod->arch.phys_plt_tbl = NULL;
+ mod->arch.virt_plt_tbl = NULL;
+
+ if ((core_size + init_size) == 0)
+ return 0;
+
@ -251,7 +260,7 @@
int apply_r_mips_none(struct module *me, u32 *location, Elf_Addr v)
{
@@ -63,8 +268,39 @@ static int apply_r_mips_32_rel(struct mo
@@ -63,8 +271,39 @@
return 0;
}
@ -291,7 +300,7 @@
if (v % 4) {
pr_err("module %s: dangerous R_MIPS_26 REL relocation\n",
me->name);
@@ -72,14 +308,17 @@ static int apply_r_mips_26_rel(struct mo
@@ -72,14 +311,17 @@
}
if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
@ -314,7 +323,7 @@
return 0;
}
@@ -286,11 +525,32 @@ int module_finalize(const Elf_Ehdr *hdr,
@@ -286,11 +528,32 @@
list_add(&me->arch.dbe_list, &dbe_list);
spin_unlock_irq(&dbe_lock);
}