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/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/unwind_hints.h>
#include <asm/nospec-branch.h>
/*
* Notably, the FineIBT preamble calling these will have ZF set and eax zero.
*
* The very last element is in fact larger than 32 bytes, but since its the
* last element, this does not matter,
*
* There are 2 #UD sites, located between 0,1-2,3 and 4,5-6,7 such that they
* can be reached using Jcc.d8, these elements (1 and 5) have sufficiently
* big alignment holes for this to not stagger the array.
*/
.pushsection .noinstr.text, "ax"
.align 32
SYM_CODE_START(__bhi_args)
#ifdef CONFIG_FINEIBT_BHI
.align 32
SYM_INNER_LABEL(__bhi_args_0, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_1
ANNOTATE_UNRET_SAFE
ret
int3
.align 32
SYM_INNER_LABEL(__bhi_args_1, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_1
cmovne %rax, %rdi
ANNOTATE_UNRET_SAFE
ret
int3
.align 8
ANNOTATE_REACHABLE
.Lud_1: ud2
ANNOTATE_UNRET_SAFE
ret
int3
.align 32
SYM_INNER_LABEL(__bhi_args_2, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_1
cmovne %rax, %rdi
cmovne %rax, %rsi
ANNOTATE_UNRET_SAFE
ret
int3
.align 32
SYM_INNER_LABEL(__bhi_args_3, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_1
cmovne %rax, %rdi
cmovne %rax, %rsi
cmovne %rax, %rdx
ANNOTATE_UNRET_SAFE
ret
int3
.align 32
SYM_INNER_LABEL(__bhi_args_4, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_2
cmovne %rax, %rdi
cmovne %rax, %rsi
cmovne %rax, %rdx
cmovne %rax, %rcx
ANNOTATE_UNRET_SAFE
ret
int3
.align 32
SYM_INNER_LABEL(__bhi_args_5, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_2
cmovne %rax, %rdi
cmovne %rax, %rsi
cmovne %rax, %rdx
cmovne %rax, %rcx
cmovne %rax, %r8
ANNOTATE_UNRET_SAFE
ret
int3
.align 8
ANNOTATE_REACHABLE
.Lud_2: ud2
ANNOTATE_UNRET_SAFE
ret
int3
.align 32
SYM_INNER_LABEL(__bhi_args_6, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_2
cmovne %rax, %rdi
cmovne %rax, %rsi
cmovne %rax, %rdx
cmovne %rax, %rcx
cmovne %rax, %r8
cmovne %rax, %r9
ANNOTATE_UNRET_SAFE
ret
int3
.align 32
SYM_INNER_LABEL(__bhi_args_7, SYM_L_LOCAL)
ANNOTATE_NOENDBR
UNWIND_HINT_FUNC
jne .Lud_2
cmovne %rax, %rdi
cmovne %rax, %rsi
cmovne %rax, %rdx
cmovne %rax, %rcx
cmovne %rax, %r8
cmovne %rax, %r9
cmovne %rax, %rsp
ANNOTATE_UNRET_SAFE
ret
int3
#endif /* CONFIG_FINEIBT_BHI */
.align 32
SYM_INNER_LABEL(__bhi_args_end, SYM_L_GLOBAL)
ANNOTATE_NOENDBR
nop /* Work around toolchain+objtool quirk */
SYM_CODE_END(__bhi_args)
.popsection
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