40,17 → 40,10 |
# |
context_save_arch: |
movq (%rsp), %rdx # the caller's return %eip |
|
# In %edi is passed 1st argument |
movq %rdx, OFFSET_PC(%rdi) |
movq %rsp, OFFSET_SP(%rdi) |
CONTEXT_SAVE_ARCH_CORE %rdi %rdx |
|
movq %rbx, OFFSET_RBX(%rdi) |
movq %rbp, OFFSET_RBP(%rdi) |
movq %r12, OFFSET_R12(%rdi) |
movq %r13, OFFSET_R13(%rdi) |
movq %r14, OFFSET_R14(%rdi) |
movq %r15, OFFSET_R15(%rdi) |
|
xorq %rax,%rax # context_save returns 1 |
incq %rax |
ret |
62,16 → 55,9 |
# pointed by the 1st argument. Returns 0 in EAX. |
# |
context_restore_arch: |
movq OFFSET_R15(%rdi), %r15 |
movq OFFSET_R14(%rdi), %r14 |
movq OFFSET_R13(%rdi), %r13 |
movq OFFSET_R12(%rdi), %r12 |
movq OFFSET_RBP(%rdi), %rbp |
movq OFFSET_RBX(%rdi), %rbx |
|
movq OFFSET_SP(%rdi), %rsp # ctx->sp -> %rsp |
|
movq OFFSET_PC(%rdi), %rdx |
|
CONTEXT_RESTORE_ARCH_CORE %rdi %rdx |
|
movq %rdx,(%rsp) |
|
xorq %rax,%rax # context_restore returns 0 |