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Katayama Hirofumi MZ 2025-03-30 11:39:09 +09:00
parent 76a4172da9
commit 87ed9c5dad
1 changed files with 9 additions and 7 deletions
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16
sdk/lib/crt/setjmp/amd64/setjmp.s
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@ -59,7 +59,7 @@ FUNC _setjmp
mov [rcx + JUMP_BUFFER_R14], r14 /* Store r14 */
mov [rcx + JUMP_BUFFER_R15], r15 /* Store r15 */
mov [rcx + JUMP_BUFFER_Frame], ebp /* Store frame pointer (ebp) */
mov [rcx + JUMP_BUFFER_Frame], rbp /* Store frame pointer (rbp) */
lea rax, [esp + 8] /* Get the return address */
mov [rcx + JUMP_BUFFER_Rip], rax /* Store rip (return address) */
@ -102,7 +102,7 @@ FUNC _setjmpex
mov [rcx + JUMP_BUFFER_R14], r14 /* Store r14 */
mov [rcx + JUMP_BUFFER_R15], r15 /* Store r15 */
mov [rcx + JUMP_BUFFER_Frame], rdx /* Store frame pointer (rdx) */
mov [rcx + JUMP_BUFFER_Frame], rdx /* Store frame pointer from argument */
lea rax, [esp + 8] /* Get the return address */
mov [rcx + JUMP_BUFFER_Rip], rax /* Store rip (return address) */
@ -146,7 +146,11 @@ FUNC longjmp
mov r14, [rcx + JUMP_BUFFER_R14] /* Restore r14 */
mov r15, [rcx + JUMP_BUFFER_R15] /* Restore r15 */
mov ebp, [rcx + JUMP_BUFFER_Frame] /* Get frame pointer (ebp) */
mov rax, [rcx + JUMP_BUFFER_Frame] /* Get frame pointer */
test rax, rax /* Restore frame pointer (rbp) if non-zero */
jz LJJMP1
mov rbp, rax
LJJMP1:
movdqu xmm6, [rcx + JUMP_BUFFER_Xmm6] /* Restore xmm6 */
movdqu xmm7, [rcx + JUMP_BUFFER_Xmm7] /* Restore xmm7 */
@ -164,11 +168,9 @@ FUNC longjmp
mov rax, rdx /* Move val into rax (return value) */
test rax, rax /* Check if val is 0 */
jnz LJJMP /* If val is non-zero, jump to LJJMP */
jnz LJJMP2 /* If val is non-zero, jump to LJJMP2 */
inc rax /* Increment rax */
LJJMP:
LJJMP2:
ret
ENDFUNC