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[SDK][CRT] Improve x64 setjmp/longjmp and add testcase
This commit is contained in:
Katayama Hirofumi MZ
parent
467dec4d16
commit
2a2c8318bf
7 changed files with 135 additions and 87 deletions
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@ -4,6 +4,7 @@
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* PURPOSE: Implementation of _setjmp/longjmp
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* FILE: lib/sdk/crt/setjmp/amd64/setjmp.s
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* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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* Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
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*/
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/* INCLUDES ******************************************************************/
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@ -50,33 +51,8 @@ FUNC _setjmp
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.endprolog
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/* Load rsp as it was before the call into rax */
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lea rax, [rsp + 8]
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/* Load return address into r8 */
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mov r8, [rsp]
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mov qword ptr [rcx + JUMP_BUFFER_Frame], 0
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mov [rcx + JUMP_BUFFER_Rbx], rbx
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mov [rcx + JUMP_BUFFER_Rbp], rbp
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mov [rcx + JUMP_BUFFER_Rsi], rsi
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mov [rcx + JUMP_BUFFER_Rdi], rdi
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mov [rcx + JUMP_BUFFER_R12], r12
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mov [rcx + JUMP_BUFFER_R13], r13
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mov [rcx + JUMP_BUFFER_R14], r14
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mov [rcx + JUMP_BUFFER_R15], r15
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mov [rcx + JUMP_BUFFER_Rsp], rax
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mov [rcx + JUMP_BUFFER_Rip], r8
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movdqa [rcx + JUMP_BUFFER_Xmm6], xmm6
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movdqa [rcx + JUMP_BUFFER_Xmm7], xmm7
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movdqa [rcx + JUMP_BUFFER_Xmm8], xmm8
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movdqa [rcx + JUMP_BUFFER_Xmm9], xmm9
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movdqa [rcx + JUMP_BUFFER_Xmm10], xmm10
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movdqa [rcx + JUMP_BUFFER_Xmm11], xmm11
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movdqa [rcx + JUMP_BUFFER_Xmm12], xmm12
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movdqa [rcx + JUMP_BUFFER_Xmm13], xmm13
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movdqa [rcx + JUMP_BUFFER_Xmm14], xmm14
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movdqa [rcx + JUMP_BUFFER_Xmm15], xmm15
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xor rax, rax
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ret
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xor rdx, rdx
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jmp _setjmpex
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ENDFUNC
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/*!
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@ -92,32 +68,35 @@ FUNC _setjmpex
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.endprolog
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/* Load rsp as it was before the call into rax */
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lea rax, [rsp + 8]
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/* Load return address into r8 */
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mov r8, [rsp]
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mov [rcx + JUMP_BUFFER_Frame], rdx
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mov [rcx + JUMP_BUFFER_Rbx], rbx
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mov [rcx + JUMP_BUFFER_Rbp], rbp
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mov [rcx + JUMP_BUFFER_Rsi], rsi
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mov [rcx + JUMP_BUFFER_Rdi], rdi
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mov [rcx + JUMP_BUFFER_R12], r12
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mov [rcx + JUMP_BUFFER_R13], r13
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mov [rcx + JUMP_BUFFER_R14], r14
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mov [rcx + JUMP_BUFFER_R15], r15
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mov [rcx + JUMP_BUFFER_Rsp], rax
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mov [rcx + JUMP_BUFFER_Rip], r8
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movdqa [rcx + JUMP_BUFFER_Xmm6], xmm6
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movdqa [rcx + JUMP_BUFFER_Xmm7], xmm7
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movdqa [rcx + JUMP_BUFFER_Xmm8], xmm8
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movdqa [rcx + JUMP_BUFFER_Xmm9], xmm9
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movdqa [rcx + JUMP_BUFFER_Xmm10], xmm10
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movdqa [rcx + JUMP_BUFFER_Xmm11], xmm11
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movdqa [rcx + JUMP_BUFFER_Xmm12], xmm12
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movdqa [rcx + JUMP_BUFFER_Xmm13], xmm13
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movdqa [rcx + JUMP_BUFFER_Xmm14], xmm14
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movdqa [rcx + JUMP_BUFFER_Xmm15], xmm15
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xor rax, rax
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push rbp /* Save rbp */
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mov rbp, rsp /* rbp = rsp */
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and rsp, -16 /* Align rsp to 16-byte boundary */
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mov [rcx + JUMP_BUFFER_Rbx], rbx /* Store rbx */
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mov [rcx + JUMP_BUFFER_Rsp], rsp /* Store rsp */
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mov [rcx + JUMP_BUFFER_Rbp], rbp /* Store rbp */
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mov [rcx + JUMP_BUFFER_Rsi], rsi /* Store rsi (non-volatile on windows) */
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mov [rcx + JUMP_BUFFER_Rdi], rdi /* Store rdi (non-volatile on windows) */
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mov [rcx + JUMP_BUFFER_R12], r12 /* Store r12 */
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mov [rcx + JUMP_BUFFER_R13], r13 /* Store r13 */
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mov [rcx + JUMP_BUFFER_R14], r14 /* Store r14 */
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mov [rcx + JUMP_BUFFER_R15], r15 /* Store r15 */
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lea rax, [rip + LABEL2] /* Get the return address (LABEL2) */
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mov [rcx + JUMP_BUFFER_Rip], rax /* Store rip (return address) */
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mov [rcx + JUMP_BUFFER_Frame], rdx /* Store frame */
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movdqu [rcx + JUMP_BUFFER_Xmm6], xmm6 /* Store xmm6 */
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movdqu [rcx + JUMP_BUFFER_Xmm7], xmm7 /* Store xmm7 */
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movdqu [rcx + JUMP_BUFFER_Xmm8], xmm8 /* Store xmm8 */
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movdqu [rcx + JUMP_BUFFER_Xmm9], xmm9 /* Store xmm9 */
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movdqu [rcx + JUMP_BUFFER_Xmm10], xmm10 /* Store xmm10 */
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movdqu [rcx + JUMP_BUFFER_Xmm11], xmm11 /* Store xmm11 */
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movdqu [rcx + JUMP_BUFFER_Xmm12], xmm12 /* Store xmm12 */
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movdqu [rcx + JUMP_BUFFER_Xmm13], xmm13 /* Store xmm13 */
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movdqu [rcx + JUMP_BUFFER_Xmm14], xmm14 /* Store xmm14 */
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movdqu [rcx + JUMP_BUFFER_Xmm15], xmm15 /* Store xmm15 */
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mov rsp, rbp /* Restore original rsp */
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pop rbp /* Restore original rbp */
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xor eax, eax /* Return 0 */
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LABEL2:
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ret
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ENDFUNC
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@ -135,35 +114,34 @@ FUNC longjmp
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.endprolog
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// FIXME: handle frame
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mov rbx, [rcx + JUMP_BUFFER_Rbx]
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mov rbp, [rcx + JUMP_BUFFER_Rbp]
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mov rsi, [rcx + JUMP_BUFFER_Rsi]
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mov rdi, [rcx + JUMP_BUFFER_Rdi]
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mov r12, [rcx + JUMP_BUFFER_R12]
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mov r13, [rcx + JUMP_BUFFER_R13]
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mov r14, [rcx + JUMP_BUFFER_R14]
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mov r15, [rcx + JUMP_BUFFER_R15]
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mov rsp, [rcx + JUMP_BUFFER_Rsp]
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mov r8, [rcx + JUMP_BUFFER_Rip]
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movdqa xmm6, [rcx + JUMP_BUFFER_Xmm6]
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movdqa xmm7, [rcx + JUMP_BUFFER_Xmm7]
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movdqa xmm8, [rcx + JUMP_BUFFER_Xmm8]
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movdqa xmm9, [rcx + JUMP_BUFFER_Xmm9]
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movdqa xmm10, [rcx + JUMP_BUFFER_Xmm10]
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movdqa xmm11, [rcx + JUMP_BUFFER_Xmm11]
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movdqa xmm12, [rcx + JUMP_BUFFER_Xmm12]
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movdqa xmm13, [rcx + JUMP_BUFFER_Xmm13]
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movdqa xmm14, [rcx + JUMP_BUFFER_Xmm14]
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movdqa xmm15, [rcx + JUMP_BUFFER_Xmm15]
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/* return param2 or 1 if it was 0 */
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mov rax, rdx
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test rax, rax
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jnz l2
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inc rax
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l2: jmp r8
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mov rbx, [rcx + JUMP_BUFFER_Rbx] /* Restore rbx */
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mov rsp, [rcx + JUMP_BUFFER_Rsp] /* Restore rsp */
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mov rbp, [rcx + JUMP_BUFFER_Rbp] /* Restore rbp */
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mov rsi, [rcx + JUMP_BUFFER_Rsi] /* Restore rsi */
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mov rdi, [rcx + JUMP_BUFFER_Rdi] /* Restore rdi */
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mov r12, [rcx + JUMP_BUFFER_R12] /* Restore r12 */
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mov r13, [rcx + JUMP_BUFFER_R13] /* Restore r13 */
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mov r14, [rcx + JUMP_BUFFER_R14] /* Restore r14 */
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mov r15, [rcx + JUMP_BUFFER_R15] /* Restore r15 */
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mov rax, [rcx + JUMP_BUFFER_Frame] /* Restore frame pointer */
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mov [rsp + 8], rax /* Restore frame pointer */
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movdqu xmm6, [rcx + JUMP_BUFFER_Xmm6] /* Restore xmm6 */
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movdqu xmm7, [rcx + JUMP_BUFFER_Xmm7] /* Restore xmm7 */
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movdqu xmm8, [rcx + JUMP_BUFFER_Xmm8] /* Restore xmm8 */
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movdqu xmm9, [rcx + JUMP_BUFFER_Xmm9] /* Restore xmm9 */
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movdqu xmm10, [rcx + JUMP_BUFFER_Xmm10] /* Restore xmm10 */
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movdqu xmm11, [rcx + JUMP_BUFFER_Xmm11] /* Restore xmm11 */
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movdqu xmm12, [rcx + JUMP_BUFFER_Xmm12] /* Restore xmm12 */
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movdqu xmm13, [rcx + JUMP_BUFFER_Xmm13] /* Restore xmm13 */
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movdqu xmm14, [rcx + JUMP_BUFFER_Xmm14] /* Restore xmm14 */
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movdqu xmm15, [rcx + JUMP_BUFFER_Xmm15] /* Restore xmm15 */
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mov rax, rdx /* Move val into rax (return value) */
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test rax, rax /* Check if val is 0 */
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jz LABEL3 /* If val is 0, jump to LABEL3 */
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jmp qword ptr [rcx + JUMP_BUFFER_Rip] /* Jump to the stored return address (rip) */
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LABEL3:
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mov rax, 1 /* If val was 0, return 1 */
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jmp qword ptr [rcx + JUMP_BUFFER_Rip] /* Jump to the stored return address (rip) */
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ENDFUNC
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END
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