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57 lines
1.2 KiB
57 lines
1.2 KiB
#ifndef _ASM_X86_UNWIND_HINTS_H |
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#define _ASM_X86_UNWIND_HINTS_H |
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#include <linux/objtool.h> |
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#include "orc_types.h" |
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#ifdef __ASSEMBLY__ |
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.macro UNWIND_HINT_EMPTY |
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UNWIND_HINT sp_reg=ORC_REG_UNDEFINED type=UNWIND_HINT_TYPE_CALL end=1 |
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.endm |
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.macro UNWIND_HINT_REGS base=%rsp offset=0 indirect=0 extra=1 partial=0 |
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.if \base == %rsp |
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.if \indirect |
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.set sp_reg, ORC_REG_SP_INDIRECT |
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.else |
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.set sp_reg, ORC_REG_SP |
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.endif |
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.elseif \base == %rbp |
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.set sp_reg, ORC_REG_BP |
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.elseif \base == %rdi |
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.set sp_reg, ORC_REG_DI |
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.elseif \base == %rdx |
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.set sp_reg, ORC_REG_DX |
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.elseif \base == %r10 |
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.set sp_reg, ORC_REG_R10 |
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.else |
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.error "UNWIND_HINT_REGS: bad base register" |
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.endif |
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.set sp_offset, \offset |
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.if \partial |
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.set type, UNWIND_HINT_TYPE_REGS_PARTIAL |
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.elseif \extra == 0 |
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.set type, UNWIND_HINT_TYPE_REGS_PARTIAL |
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.set sp_offset, \offset + (16*8) |
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.else |
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.set type, UNWIND_HINT_TYPE_REGS |
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.endif |
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UNWIND_HINT sp_reg=sp_reg sp_offset=sp_offset type=type |
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.endm |
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.macro UNWIND_HINT_IRET_REGS base=%rsp offset=0 |
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UNWIND_HINT_REGS base=\base offset=\offset partial=1 |
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.endm |
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.macro UNWIND_HINT_FUNC |
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UNWIND_HINT sp_reg=ORC_REG_SP sp_offset=8 type=UNWIND_HINT_TYPE_FUNC |
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.endm |
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#endif /* __ASSEMBLY__ */ |
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#endif /* _ASM_X86_UNWIND_HINTS_H */
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