1 files changed, 77 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h
new file mode 100644
index 000000000000..e5f14b13ccf0
--- /dev/null
+++ b/arch/powerpc/include/asm/module.h
@@ -0,0 +1,77 @@
+#ifndef _ASM_POWERPC_MODULE_H
+#define _ASM_POWERPC_MODULE_H
+#ifdef __KERNEL__
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/list.h>
+#include <asm/bug.h>
+
+
+#ifndef __powerpc64__
+/*
+ * Thanks to Paul M for explaining this.
+ *
+ * PPC can only do rel jumps += 32MB, and often the kernel and other
+ * modules are furthur away than this.  So, we jump to a table of
+ * trampolines attached to the module (the Procedure Linkage Table)
+ * whenever that happens.
+ */
+
+struct ppc_plt_entry {
+        /* 16 byte jump instruction sequence (4 instructions) */
+        unsigned int jump[4];
+};
+#endif  /* __powerpc64__ */
+
+
+struct mod_arch_specific {
+#ifdef __powerpc64__
+        unsigned int stubs_section;     /* Index of stubs section in module */
+        unsigned int toc_section;       /* What section is the TOC? */
+#else
+        /* Indices of PLT sections within module. */
+        unsigned int core_plt_section;
+        unsigned int init_plt_section;
+#endif
+
+        /* List of BUG addresses, source line numbers and filenames */
+        struct list_head bug_list;
+        struct bug_entry *bug_table;
+        unsigned int num_bugs;
+};
+
+/*
+ * Select ELF headers.
+ * Make empty section for module_frob_arch_sections to expand.
+ */
+
+#ifdef __powerpc64__
+#    define Elf_Shdr    Elf64_Shdr
+#    define Elf_Sym     Elf64_Sym
+#    define Elf_Ehdr    Elf64_Ehdr
+#    ifdef MODULE
+        asm(".section .stubs,\"ax\",@nobits; .align 3; .previous");
+#    endif
+#else
+#    define Elf_Shdr    Elf32_Shdr
+#    define Elf_Sym     Elf32_Sym
+#    define Elf_Ehdr    Elf32_Ehdr
+#    ifdef MODULE
+        asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
+        asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
+#    endif      /* MODULE */
+#endif
+
+
+struct exception_table_entry;
+void sort_ex_table(struct exception_table_entry *start,
+                   struct exception_table_entry *finish);
+
+#endif /* __KERNEL__ */
+#endif  /* _ASM_POWERPC_MODULE_H */