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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-ppc/module.h
downloadop-kernel-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip
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Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/asm-ppc/module.h')
-rw-r--r--include/asm-ppc/module.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-ppc/module.h b/include/asm-ppc/module.h
new file mode 100644
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--- /dev/null
+++ b/include/asm-ppc/module.h
@@ -0,0 +1,44 @@
+#ifndef _ASM_PPC_MODULE_H
+#define _ASM_PPC_MODULE_H
+/* Module stuff for PPC. (C) 2001 Rusty Russell */
+
+#include <linux/list.h>
+#include <asm/bug.h>
+
+/* 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];
+};
+
+struct mod_arch_specific
+{
+ /* Indices of PLT sections within module. */
+ unsigned int core_plt_section, init_plt_section;
+
+ /* 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);
+
+#define Elf_Shdr Elf32_Shdr
+#define Elf_Sym Elf32_Sym
+#define Elf_Ehdr Elf32_Ehdr
+
+/* Make empty sections for module_frob_arch_sections to expand. */
+#ifdef MODULE
+asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
+asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
+#endif
+#endif /* _ASM_PPC_MODULE_H */
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