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authorJulien Thierry <jthierry@redhat.com>2020-09-04 17:30:21 +0200
committerJosh Poimboeuf <jpoimboe@redhat.com>2020-09-10 17:43:13 +0200
commitc8ea0d672521ef663f0f9a77faa94d0d47102d77 (patch)
tree5f8a0ec400abdbc6c4ae035721a9e5b017426230 /tools/objtool/arch/x86
parentobjtool: Make sync-check consider the target architecture (diff)
downloadlinux-c8ea0d672521ef663f0f9a77faa94d0d47102d77.tar.xz
linux-c8ea0d672521ef663f0f9a77faa94d0d47102d77.zip
objtool: Move macros describing structures to arch-dependent code
Some macros are defined to describe the size and layout of structures exception_table_entry, jump_entry and alt_instr. These values can vary from one architecture to another. Have the values be defined by arch specific code. Suggested-by: Raphael Gault <raphael.gault@arm.com> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Signed-off-by: Julien Thierry <jthierry@redhat.com> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Diffstat (limited to 'tools/objtool/arch/x86')
-rw-r--r--tools/objtool/arch/x86/include/arch_special.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/objtool/arch/x86/include/arch_special.h b/tools/objtool/arch/x86/include/arch_special.h
new file mode 100644
index 000000000000..d818b2bffa02
--- /dev/null
+++ b/tools/objtool/arch/x86/include/arch_special.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _X86_ARCH_SPECIAL_H
+#define _X86_ARCH_SPECIAL_H
+
+#define EX_ENTRY_SIZE 12
+#define EX_ORIG_OFFSET 0
+#define EX_NEW_OFFSET 4
+
+#define JUMP_ENTRY_SIZE 16
+#define JUMP_ORIG_OFFSET 0
+#define JUMP_NEW_OFFSET 4
+
+#define ALT_ENTRY_SIZE 13
+#define ALT_ORIG_OFFSET 0
+#define ALT_NEW_OFFSET 4
+#define ALT_FEATURE_OFFSET 8
+#define ALT_ORIG_LEN_OFFSET 10
+#define ALT_NEW_LEN_OFFSET 11
+
+#endif /* _X86_ARCH_SPECIAL_H */