1 #ifndef _ASM_X86_UNWIND_HINTS_H
2 #define _ASM_X86_UNWIND_HINTS_H
4 #include <linux/objtool.h>
10 .macro UNWIND_HINT_END_OF_STACK
11 UNWIND_HINT type=UNWIND_HINT_TYPE_END_OF_STACK
14 .macro UNWIND_HINT_UNDEFINED
15 UNWIND_HINT type=UNWIND_HINT_TYPE_UNDEFINED
18 .macro UNWIND_HINT_ENTRY
20 UNWIND_HINT_END_OF_STACK
23 .macro UNWIND_HINT_REGS base=%rsp offset=0 indirect=0 extra=1 partial=0 signal=1
26 .set sp_reg, ORC_REG_SP_INDIRECT
28 .set sp_reg, ORC_REG_SP
31 .set sp_reg, ORC_REG_BP
33 .set sp_reg, ORC_REG_DI
35 .set sp_reg, ORC_REG_DX
37 .set sp_reg, ORC_REG_R10
39 .error "UNWIND_HINT_REGS: bad base register"
42 .set sp_offset, \offset
45 .set type, UNWIND_HINT_TYPE_REGS_PARTIAL
47 .set type, UNWIND_HINT_TYPE_REGS_PARTIAL
48 .set sp_offset, \offset + (16*8)
50 .set type, UNWIND_HINT_TYPE_REGS
53 UNWIND_HINT sp_reg=sp_reg sp_offset=sp_offset type=type signal=\signal
56 .macro UNWIND_HINT_IRET_REGS base=%rsp offset=0 signal=1
57 UNWIND_HINT_REGS base=\base offset=\offset partial=1 signal=\signal
60 .macro UNWIND_HINT_IRET_ENTRY base=%rsp offset=0 signal=1
62 UNWIND_HINT_IRET_REGS base=\base offset=\offset signal=\signal
65 .macro UNWIND_HINT_FUNC
66 UNWIND_HINT sp_reg=ORC_REG_SP sp_offset=8 type=UNWIND_HINT_TYPE_FUNC
69 .macro UNWIND_HINT_SAVE
70 UNWIND_HINT type=UNWIND_HINT_TYPE_SAVE
73 .macro UNWIND_HINT_RESTORE
74 UNWIND_HINT type=UNWIND_HINT_TYPE_RESTORE
79 #define UNWIND_HINT_UNDEFINED \
80 UNWIND_HINT(UNWIND_HINT_TYPE_UNDEFINED, 0, 0, 0)
82 #define UNWIND_HINT_FUNC \
83 UNWIND_HINT(UNWIND_HINT_TYPE_FUNC, ORC_REG_SP, 8, 0)
85 #define UNWIND_HINT_SAVE \
86 UNWIND_HINT(UNWIND_HINT_TYPE_SAVE, 0, 0, 0)
88 #define UNWIND_HINT_RESTORE \
89 UNWIND_HINT(UNWIND_HINT_TYPE_RESTORE, 0, 0, 0)
91 #endif /* __ASSEMBLY__ */
93 #endif /* _ASM_X86_UNWIND_HINTS_H */