139358a03SJosh Poimboeuf #ifndef _ASM_X86_UNWIND_HINTS_H 239358a03SJosh Poimboeuf #define _ASM_X86_UNWIND_HINTS_H 339358a03SJosh Poimboeuf 4ee819aedSJulien Thierry #include <linux/objtool.h> 5ee819aedSJulien Thierry 639358a03SJosh Poimboeuf #include "orc_types.h" 739358a03SJosh Poimboeuf 839358a03SJosh Poimboeuf #ifdef __ASSEMBLY__ 939358a03SJosh Poimboeuf 1039358a03SJosh Poimboeuf .macro UNWIND_HINT_EMPTY 118faea26eSJosh Poimboeuf UNWIND_HINT type=UNWIND_HINT_TYPE_CALL end=1 1239358a03SJosh Poimboeuf .endm 1339358a03SJosh Poimboeuf 14a09a6e23SPeter Zijlstra .macro UNWIND_HINT_ENTRY 15*4708ea14SJosh Poimboeuf VALIDATE_UNRET_BEGIN 16*4708ea14SJosh Poimboeuf UNWIND_HINT_EMPTY 17a09a6e23SPeter Zijlstra .endm 18a09a6e23SPeter Zijlstra 19ffb1b4a4SJosh Poimboeuf .macro UNWIND_HINT_REGS base=%rsp offset=0 indirect=0 extra=1 partial=0 signal=1 20af79ded4SJosh Poimboeuf .if \base == %rsp 21af79ded4SJosh Poimboeuf .if \indirect 2239358a03SJosh Poimboeuf .set sp_reg, ORC_REG_SP_INDIRECT 23af79ded4SJosh Poimboeuf .else 2439358a03SJosh Poimboeuf .set sp_reg, ORC_REG_SP 25af79ded4SJosh Poimboeuf .endif 2639358a03SJosh Poimboeuf .elseif \base == %rbp 2739358a03SJosh Poimboeuf .set sp_reg, ORC_REG_BP 2839358a03SJosh Poimboeuf .elseif \base == %rdi 2939358a03SJosh Poimboeuf .set sp_reg, ORC_REG_DI 3039358a03SJosh Poimboeuf .elseif \base == %rdx 3139358a03SJosh Poimboeuf .set sp_reg, ORC_REG_DX 3239358a03SJosh Poimboeuf .elseif \base == %r10 3339358a03SJosh Poimboeuf .set sp_reg, ORC_REG_R10 3439358a03SJosh Poimboeuf .else 3539358a03SJosh Poimboeuf .error "UNWIND_HINT_REGS: bad base register" 3639358a03SJosh Poimboeuf .endif 3739358a03SJosh Poimboeuf 3839358a03SJosh Poimboeuf .set sp_offset, \offset 3939358a03SJosh Poimboeuf 40ee819aedSJulien Thierry .if \partial 41ee819aedSJulien Thierry .set type, UNWIND_HINT_TYPE_REGS_PARTIAL 4239358a03SJosh Poimboeuf .elseif \extra == 0 43ee819aedSJulien Thierry .set type, UNWIND_HINT_TYPE_REGS_PARTIAL 4439358a03SJosh Poimboeuf .set sp_offset, \offset + (16*8) 4539358a03SJosh Poimboeuf .else 46ee819aedSJulien Thierry .set type, UNWIND_HINT_TYPE_REGS 4739358a03SJosh Poimboeuf .endif 4839358a03SJosh Poimboeuf 49ffb1b4a4SJosh Poimboeuf UNWIND_HINT sp_reg=sp_reg sp_offset=sp_offset type=type signal=\signal 5039358a03SJosh Poimboeuf .endm 5139358a03SJosh Poimboeuf 52ffb1b4a4SJosh Poimboeuf .macro UNWIND_HINT_IRET_REGS base=%rsp offset=0 signal=1 53ffb1b4a4SJosh Poimboeuf UNWIND_HINT_REGS base=\base offset=\offset partial=1 signal=\signal 5439358a03SJosh Poimboeuf .endm 5539358a03SJosh Poimboeuf 56*4708ea14SJosh Poimboeuf .macro UNWIND_HINT_IRET_ENTRY base=%rsp offset=0 signal=1 57*4708ea14SJosh Poimboeuf VALIDATE_UNRET_BEGIN 58*4708ea14SJosh Poimboeuf UNWIND_HINT_IRET_REGS base=\base offset=\offset signal=\signal 59*4708ea14SJosh Poimboeuf .endm 60*4708ea14SJosh Poimboeuf 61b735bd3eSJosh Poimboeuf .macro UNWIND_HINT_FUNC 62b735bd3eSJosh Poimboeuf UNWIND_HINT sp_reg=ORC_REG_SP sp_offset=8 type=UNWIND_HINT_TYPE_FUNC 63e25eea89SPeter Zijlstra .endm 64e25eea89SPeter Zijlstra 658faea26eSJosh Poimboeuf .macro UNWIND_HINT_SAVE 668faea26eSJosh Poimboeuf UNWIND_HINT type=UNWIND_HINT_TYPE_SAVE 678faea26eSJosh Poimboeuf .endm 688faea26eSJosh Poimboeuf 698faea26eSJosh Poimboeuf .macro UNWIND_HINT_RESTORE 708faea26eSJosh Poimboeuf UNWIND_HINT type=UNWIND_HINT_TYPE_RESTORE 718faea26eSJosh Poimboeuf .endm 728faea26eSJosh Poimboeuf 73eb4a3f7dSJosh Poimboeuf #else 74eb4a3f7dSJosh Poimboeuf 75eb4a3f7dSJosh Poimboeuf #define UNWIND_HINT_FUNC \ 76d88ebba4SJosh Poimboeuf UNWIND_HINT(UNWIND_HINT_TYPE_FUNC, ORC_REG_SP, 8, 0, 0) 77eb4a3f7dSJosh Poimboeuf 7839358a03SJosh Poimboeuf #endif /* __ASSEMBLY__ */ 7939358a03SJosh Poimboeuf 8039358a03SJosh Poimboeuf #endif /* _ASM_X86_UNWIND_HINTS_H */ 81