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ctx.S
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ctx.S
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#if defined(__amd64__) || defined(__x86_64__)
##
# @brief save_context
##
.text
.align 4
.globl save_context
.type save_context, @function
save_context:
pop %rsi
xorl %eax,%eax
movq %rbx,(%rdi)
movq %rsp,8(%rdi)
push %rsi
movq %rbp,16(%rdi)
movq %r12,24(%rdi)
movq %r13,32(%rdi)
movq %r14,40(%rdi)
movq %r15,48(%rdi)
movq %rsi,56(%rdi)
ret
.size save_context,.-save_context
##
# @brief restore_context
##
.text
.align 4
.globl restore_context
.type restore_context, @function
restore_context:
movl $1,%eax
movq (%rdi),%rbx
movq 8(%rdi),%rsp
movq 16(%rdi),%rbp
movq 24(%rdi),%r12
movq 32(%rdi),%r13
movq 40(%rdi),%r14
movq 48(%rdi),%r15
jmp *56(%rdi)
.size restore_context,.-restore_context
#else
#error "Linux cpu arch not supported"
#endif