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#ifndef _ASM_X86_UNWIND_HINTS_H #define _ASM_X86_UNWIND_HINTS_H #include <linux/objtool.h> #include "orc_types.h" #ifdef __ASSEMBLY__ .macro UNWIND_HINT_END_OF_STACK UNWIND_HINT type=UNWIND_HINT_TYPE_END_OF_STACK .endm .macro UNWIND_HINT_UNDEFINED UNWIND_HINT type=UNWIND_HINT_TYPE_UNDEFINED .endm .macro UNWIND_HINT_ENTRY VALIDATE_UNRET_BEGIN UNWIND_HINT_END_OF_STACK .endm .macro UNWIND_HINT_REGS base=%rsp offset=0 indirect=0 extra=1 partial=0 signal=1 .if \base == %rsp .if \indirect .set sp_reg, ORC_REG_SP_INDIRECT .else .set sp_reg, ORC_REG_SP .endif .elseif \base == %rbp .set sp_reg, ORC_REG_BP .elseif \base == %rdi .set sp_reg, ORC_REG_DI .elseif \base == %rdx .set sp_reg, ORC_REG_DX .elseif \base == %r10 .set sp_reg, ORC_REG_R10 .else .error "UNWIND_HINT_REGS: bad base register" .endif .set sp_offset, \offset .if \partial .set type, UNWIND_HINT_TYPE_REGS_PARTIAL .elseif \extra == 0 .set type, UNWIND_HINT_TYPE_REGS_PARTIAL .set sp_offset, \offset + (16*8) .else .set type, UNWIND_HINT_TYPE_REGS .endif UNWIND_HINT sp_reg=sp_reg sp_offset=sp_offset type=type signal=\signal .endm .macro UNWIND_HINT_IRET_REGS base=%rsp offset=0 signal=1 UNWIND_HINT_REGS base=\base offset=\offset partial=1 signal=\signal .endm .macro UNWIND_HINT_IRET_ENTRY base=%rsp offset=0 signal=1 VALIDATE_UNRET_BEGIN UNWIND_HINT_IRET_REGS base=\base offset=\offset signal=\signal .endm .macro UNWIND_HINT_FUNC UNWIND_HINT sp_reg=ORC_REG_SP sp_offset=8 type=UNWIND_HINT_TYPE_FUNC .endm .macro UNWIND_HINT_SAVE UNWIND_HINT type=UNWIND_HINT_TYPE_SAVE .endm .macro UNWIND_HINT_RESTORE UNWIND_HINT type=UNWIND_HINT_TYPE_RESTORE .endm #else #define UNWIND_HINT_UNDEFINED \ UNWIND_HINT(UNWIND_HINT_TYPE_UNDEFINED, 0, 0, 0) #define UNWIND_HINT_FUNC \ UNWIND_HINT(UNWIND_HINT_TYPE_FUNC, ORC_REG_SP, 8, 0) #define UNWIND_HINT_SAVE \ UNWIND_HINT(UNWIND_HINT_TYPE_SAVE, 0, 0, 0) #define UNWIND_HINT_RESTORE \ UNWIND_HINT(UNWIND_HINT_TYPE_RESTORE, 0, 0, 0) #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_UNWIND_HINTS_H */