d88ebba45d
The most important argument is 'type', make that one first. 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/d994f8c29376c5618c75698df28fc03b52d3a868.1677683419.git.jpoimboe@kernel.org
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
#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_EMPTY
|
|
UNWIND_HINT type=UNWIND_HINT_TYPE_CALL end=1
|
|
.endm
|
|
|
|
.macro UNWIND_HINT_ENTRY
|
|
UNWIND_HINT type=UNWIND_HINT_TYPE_ENTRY end=1
|
|
.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_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_FUNC \
|
|
UNWIND_HINT(UNWIND_HINT_TYPE_FUNC, ORC_REG_SP, 8, 0, 0)
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_X86_UNWIND_HINTS_H */
|