diff options
Diffstat (limited to 'deps/v8/src/heap/base/asm/x64/save_registers_masm.asm')
| -rw-r--r-- | deps/v8/src/heap/base/asm/x64/save_registers_masm.asm | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/deps/v8/src/heap/base/asm/x64/save_registers_masm.asm b/deps/v8/src/heap/base/asm/x64/save_registers_masm.asm deleted file mode 100644 index 29946a47ac..0000000000 --- a/deps/v8/src/heap/base/asm/x64/save_registers_masm.asm +++ /dev/null @@ -1,43 +0,0 @@ -;; Copyright 2020 the V8 project authors. All rights reserved. -;; Use of this source code is governed by a BSD-style license that can be -;; found in the LICENSE file. - -;; MASM syntax -;; https://docs.microsoft.com/en-us/cpp/assembler/masm/microsoft-macro-assembler-reference?view=vs-2019 - -public SaveCalleeSavedRegisters - -.code - ;; Save all callee-saved registers in the specified buffer. - ;; extern "C" void SaveCalleeSavedRegisters(intptr_t* buffer); - -SaveCalleeSavedRegisters: - ;; %rcx: [ intptr_t* buffer ] - ;; %rbp is callee-saved. Maintain proper frame pointer for debugging. - push rbp - mov rbp, rsp - ;; Save the callee-saved registers. - mov qword ptr [rcx], rsi - mov qword ptr [rcx + 8], rdi - mov qword ptr [rcx + 16], rbx - mov qword ptr [rcx + 24], r12 - mov qword ptr [rcx + 32], r13 - mov qword ptr [rcx + 40], r14 - mov qword ptr [rcx + 48], r15 - ;; Skip one slot to achieve proper alignment and use aligned instructions, - ;; as we are sure that the buffer is properly aligned. - movdqa xmmword ptr [rcx + 64], xmm6 - movdqa xmmword ptr [rcx + 80], xmm7 - movdqa xmmword ptr [rcx + 96], xmm8 - movdqa xmmword ptr [rcx + 112], xmm9 - movdqa xmmword ptr [rcx + 128], xmm10 - movdqa xmmword ptr [rcx + 144], xmm11 - movdqa xmmword ptr [rcx + 160], xmm12 - movdqa xmmword ptr [rcx + 176], xmm13 - movdqa xmmword ptr [rcx + 192], xmm14 - movdqa xmmword ptr [rcx + 208], xmm15 - ;; Restore %rbp as it was used as frame pointer and return. - pop rbp - ret - -end |