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Diffstat (limited to 'arch/arm/include/asm/module.h')
-rw-r--r--arch/arm/include/asm/module.h68
1 files changed, 39 insertions, 29 deletions
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 0d3a28dbc8e5..07c51a34f77d 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -1,47 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM_MODULE_H
#define _ASM_ARM_MODULE_H
#include <asm-generic/module.h>
-
-struct unwind_table;
+#include <asm/unwind.h>
#ifdef CONFIG_ARM_UNWIND
-enum {
- ARM_SEC_INIT,
- ARM_SEC_DEVINIT,
- ARM_SEC_CORE,
- ARM_SEC_EXIT,
- ARM_SEC_DEVEXIT,
- ARM_SEC_MAX,
+#define ELF_SECTION_UNWIND 0x70000001
+#endif
+
+#define PLT_ENT_STRIDE L1_CACHE_BYTES
+#define PLT_ENT_COUNT (PLT_ENT_STRIDE / sizeof(u32))
+#define PLT_ENT_SIZE (sizeof(struct plt_entries) / PLT_ENT_COUNT)
+
+struct plt_entries {
+ u32 ldr[PLT_ENT_COUNT];
+ u32 lit[PLT_ENT_COUNT];
};
-struct mod_arch_specific {
- struct unwind_table *unwind[ARM_SEC_MAX];
+struct mod_plt_sec {
+ struct elf32_shdr *plt;
+ struct plt_entries *plt_ent;
+ int plt_count;
};
-#endif
-/*
- * Add the ARM architecture version to the version magic string
- */
-#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
+struct mod_arch_specific {
+#ifdef CONFIG_ARM_UNWIND
+ struct list_head unwind_list;
+ struct unwind_table *init_table;
+#endif
+#ifdef CONFIG_ARM_MODULE_PLTS
+ struct mod_plt_sec core;
+ struct mod_plt_sec init;
+#endif
+};
-/* Add __virt_to_phys patching state as well */
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
-#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
+struct module;
+u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
+#ifdef CONFIG_ARM_MODULE_PLTS
+bool in_module_plt(unsigned long loc);
#else
-#define MODULE_ARCH_VERMAGIC_P2V ""
+static inline bool in_module_plt(unsigned long loc) { return false; }
#endif
-/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
#ifdef CONFIG_THUMB2_KERNEL
-#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
-#else
-#define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
+#define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
+static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
+{
+ if (ELF_ST_TYPE(sym->st_info) == STT_FUNC)
+ return sym->st_value & ~1;
+
+ return sym->st_value;
+}
#endif
-#define MODULE_ARCH_VERMAGIC \
- MODULE_ARCH_VERMAGIC_ARMVSN \
- MODULE_ARCH_VERMAGIC_ARMTHUMB \
- MODULE_ARCH_VERMAGIC_P2V
-
#endif /* _ASM_ARM_MODULE_H */