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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/include/asm/module.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/include/asm/module.h')
-rw-r--r--arch/arm/include/asm/module.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
new file mode 100644
index 000000000..5546c9751
--- /dev/null
+++ b/arch/arm/include/asm/module.h
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_ARM_MODULE_H
+#define _ASM_ARM_MODULE_H
+
+#include <asm-generic/module.h>
+#include <asm/unwind.h>
+
+#ifdef CONFIG_ARM_UNWIND
+#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_plt_sec {
+ struct elf32_shdr *plt;
+ struct plt_entries *plt_ent;
+ int plt_count;
+};
+
+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
+};
+
+struct module;
+u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
+
+#ifdef CONFIG_THUMB2_KERNEL
+#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
+
+#endif /* _ASM_ARM_MODULE_H */