| 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 |