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-rw-r--r--include/asm-powerpc/module.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/asm-powerpc/module.h b/include/asm-powerpc/module.h
new file mode 100644
index 000000000000..4438f4fd6524
--- /dev/null
+++ b/include/asm-powerpc/module.h
@@ -0,0 +1,77 @@
+#ifndef _POWERPC_MODULE_H
+#define _POWERPC_MODULE_H
+
+/*
+ * 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;
+};
+
+extern struct bug_entry *module_find_bug(unsigned long bugaddr);
+
+/*
+ * 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 /* _POWERPC_MODULE_H */