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| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2023-03-01 07:13:07 -0800 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-03-23 23:18:56 +0100 |
| commit | f7515d9fe8fc4b80754cd4d98a5fcaee84adeebb (patch) | |
| tree | 1e8c913c59458b353a61c608102ca4bf8bd937e5 /include/linux/objtool.h | |
| parent | b4c108d7daf1039cf19388baff30a94563de3f3e (diff) | |
| download | lwn-f7515d9fe8fc4b80754cd4d98a5fcaee84adeebb.tar.gz lwn-f7515d9fe8fc4b80754cd4d98a5fcaee84adeebb.zip | |
objtool: Add objtool_types.h
Reduce the amount of header sync churn by splitting the shared objtool.h
types into a new file.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/dec622720851210ceafa12d4f4c5f9e73c832152.1677683419.git.jpoimboe@kernel.org
Diffstat (limited to 'include/linux/objtool.h')
| -rw-r--r-- | include/linux/objtool.h | 42 |
1 files changed, 1 insertions, 41 deletions
diff --git a/include/linux/objtool.h b/include/linux/objtool.h index 9ac3df3fccf0..8375792acfc0 100644 --- a/include/linux/objtool.h +++ b/include/linux/objtool.h @@ -2,47 +2,7 @@ #ifndef _LINUX_OBJTOOL_H #define _LINUX_OBJTOOL_H -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -/* - * This struct is used by asm and inline asm code to manually annotate the - * location of registers on the stack. - */ -struct unwind_hint { - u32 ip; - s16 sp_offset; - u8 sp_reg; - u8 type; - u8 signal; - u8 end; -}; -#endif - -/* - * UNWIND_HINT_TYPE_CALL: Indicates that sp_reg+sp_offset resolves to PREV_SP - * (the caller's SP right before it made the call). Used for all callable - * functions, i.e. all C code and all callable asm functions. - * - * UNWIND_HINT_TYPE_REGS: Used in entry code to indicate that sp_reg+sp_offset - * points to a fully populated pt_regs from a syscall, interrupt, or exception. - * - * UNWIND_HINT_TYPE_REGS_PARTIAL: Used in entry code to indicate that - * sp_reg+sp_offset points to the iret return frame. - * - * UNWIND_HINT_FUNC: Generate the unwind metadata of a callable function. - * Useful for code which doesn't have an ELF function annotation. - * - * UNWIND_HINT_ENTRY: machine entry without stack, SYSCALL/SYSENTER etc. - */ -#define UNWIND_HINT_TYPE_CALL 0 -#define UNWIND_HINT_TYPE_REGS 1 -#define UNWIND_HINT_TYPE_REGS_PARTIAL 2 -#define UNWIND_HINT_TYPE_FUNC 3 -#define UNWIND_HINT_TYPE_ENTRY 4 -#define UNWIND_HINT_TYPE_SAVE 5 -#define UNWIND_HINT_TYPE_RESTORE 6 +#include <linux/objtool_types.h> #ifdef CONFIG_OBJTOOL |