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Merge pull request #10 from fabled/master 

fix x86_64 register order for swapcontext
pull/13/head libucontext-0.1.2
William Pitcock 2018-07-19 00:33:12 -05:00 committed by GitHub
parent 7b1a302ed4 790ed28aff
commit 4f190cc561
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1 changed files with 4 additions and 4 deletions
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8
arch/x86_64/swapcontext.S
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@ -23,8 +23,8 @@ __swapcontext:
movq %r14, 88(%rdi)
movq %r15, 96(%rdi)
movq %rdi, 104(%rdi)
movq %rbp, 112(%rdi)
movq %rsi, 120(%rdi)
movq %rsi, 112(%rdi)
movq %rbp, 120(%rdi)
movq %rbx, 128(%rdi)
movq %rdx, 136(%rdi)
movq $1, 144(%rdi) /* $1 is %rax */
@ -51,7 +51,7 @@ __swapcontext:
movq 88(%rsi), %r14
movq 96(%rsi), %r15
movq 104(%rsi), %rdi
movq 112(%rsi), %rbp
movq 120(%rsi), %rbp
movq 128(%rsi), %rbx
movq 136(%rsi), %rdx
movq 144(%rsi), %rax
@ -63,7 +63,7 @@ __swapcontext:
pushq 168(%rsi)
/* finally, set %rsi correctly since we do not need it anymore. */
movq 120(%rsi), %rsi
movq 112(%rsi), %rsi
/* we're all done here, return 0 */
xorl %eax, %eax