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authorDavid Dgien <dgienda125@gmail.com>2020-06-29 20:38:35 -0400
committerSascha Hauer <s.hauer@pengutronix.de>2020-07-01 07:21:25 +0200
commita53cd2e3ed01c84250350ec1c67c6545da46a3ab (patch)
treedd854841229447b2bbd3a5bdc2bafc82dd07ab76 /include
parent6d42f894eaacd9e00f061d5918f9f58f8be8164e (diff)
downloadbarebox-a53cd2e3ed01c84250350ec1c67c6545da46a3ab.tar.gz
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module: Implement HAVE_MOD_ARCH_SPECIFIC
Implement HAVE_MOD_ARCH_SPECIFIC Kconfig and module_frob_arch_sections() function prototype from Linux module subsystem. module_frob_arch_sections() should be implemented by any architecture that selects HAVE_MOD_ARCH_SPECIFIC, and is called from load_module() Signed-off-by: David Dgien <dgienda125@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/asm-generic/module.h49
-rw-r--r--include/module.h7
2 files changed, 56 insertions, 0 deletions
diff --git a/include/asm-generic/module.h b/include/asm-generic/module.h
new file mode 100644
index 0000000000..98e1541b72
--- /dev/null
+++ b/include/asm-generic/module.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_GENERIC_MODULE_H
+#define __ASM_GENERIC_MODULE_H
+
+/*
+ * Many architectures just need a simple module
+ * loader without arch specific data.
+ */
+#ifndef CONFIG_HAVE_MOD_ARCH_SPECIFIC
+struct mod_arch_specific
+{
+};
+#endif
+
+#ifdef CONFIG_64BIT
+#define Elf_Shdr Elf64_Shdr
+#define Elf_Phdr Elf64_Phdr
+#define Elf_Sym Elf64_Sym
+#define Elf_Dyn Elf64_Dyn
+#define Elf_Ehdr Elf64_Ehdr
+#define Elf_Addr Elf64_Addr
+#ifdef CONFIG_MODULES_USE_ELF_REL
+#define Elf_Rel Elf64_Rel
+#endif
+#ifdef CONFIG_MODULES_USE_ELF_RELA
+#define Elf_Rela Elf64_Rela
+#endif
+#define ELF_R_TYPE(X) ELF64_R_TYPE(X)
+#define ELF_R_SYM(X) ELF64_R_SYM(X)
+
+#else /* CONFIG_64BIT */
+
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Phdr Elf32_Phdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Dyn Elf32_Dyn
+#define Elf_Ehdr Elf32_Ehdr
+#define Elf_Addr Elf32_Addr
+#ifdef CONFIG_MODULES_USE_ELF_REL
+#define Elf_Rel Elf32_Rel
+#endif
+#ifdef CONFIG_MODULES_USE_ELF_RELA
+#define Elf_Rela Elf32_Rela
+#endif
+#define ELF_R_TYPE(X) ELF32_R_TYPE(X)
+#define ELF_R_SYM(X) ELF32_R_SYM(X)
+#endif
+
+#endif /* __ASM_GENERIC_MODULE_H */
diff --git a/include/module.h b/include/module.h
index f416cd0ae9..9099e5aeed 100644
--- a/include/module.h
+++ b/include/module.h
@@ -122,6 +122,13 @@ int apply_relocate_add(Elf_Shdr *sechdrs,
unsigned int symindex,
unsigned int relsec,
struct module *mod);
+
+/* Adjust arch-specific sections. Return 0 on success. */
+int module_frob_arch_sections(Elf_Ehdr *hdr,
+ Elf_Shdr *sechdrs,
+ char *secstrings,
+ struct module *mod);
+
#endif /* CONFIG_MODULES */
extern struct list_head module_list;