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Fix buggy __syscall6() again.The last argument is stored 8(%rsp),not 

(%rsp)
This commit is contained in:
Ziyao 2022-04-15 09:21:13 +08:00
parent ea670ff2d8
commit e17817664e
1 changed files with 19 additions and 18 deletions
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37
src/internal/x86_64/syscall.S
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@ -1,6 +1,7 @@
/* /*
musl-tcc musl-tcc
File:/src/internal/x86_64/syscall.S File:/src/internal/x86_64/syscall.S
Date:2022.04.15
Copyright(c) 2022 ziyao. Copyright(c) 2022 ziyao.
*/ */
@ -18,34 +19,34 @@
.type __syscall4,@function .type __syscall4,@function
__syscall4: __syscall4:
movq %rdi, %rax movq %rdi, %rax
movq %rsi, %rdi movq %rsi, %rdi
movq %rdx, %rsi movq %rdx, %rsi
movq %rcx, %rdx movq %rcx, %rdx
movq %r8, %r10 movq %r8, %r10
syscall syscall
retq retq
.type __syscall5,@function .type __syscall5,@function
__syscall5: __syscall5:
movq %rdi, %rax movq %rdi, %rax
movq %rsi, %rdi movq %rsi, %rdi
movq %rdx, %rsi movq %rdx, %rsi
movq %rcx, %rdx movq %rcx, %rdx
movq %r8, %r10 movq %r8, %r10
movq %r9, %r8 movq %r9, %r8
syscall syscall
retq retq
.type __syscall6,@function .type __syscall6,@function
__syscall6: __syscall6:
movq %rdi, %rax movq %rdi, %rax
movq %rsi, %rdi movq %rsi, %rdi
movq %rdx, %rsi movq %rdx, %rsi
movq %rcx, %rdx movq %rcx, %rdx
movq %r8, %r10 movq %r8, %r10
movq %r9, %r8 movq %r9, %r8
movq (%rsp), %r9 // The last argument is stored on movq 8(%rsp), %r9 // The last argument is stored on
// the stack // the stack
// But do NOT mess up the stack // But do NOT mess up the stack
syscall syscall