diff options
Diffstat (limited to 'deps/v8/src/heap/base/asm/ppc/save_registers_asm.cc')
| -rw-r--r-- | deps/v8/src/heap/base/asm/ppc/save_registers_asm.cc | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/deps/v8/src/heap/base/asm/ppc/save_registers_asm.cc b/deps/v8/src/heap/base/asm/ppc/save_registers_asm.cc deleted file mode 100644 index 4280c083a9..0000000000 --- a/deps/v8/src/heap/base/asm/ppc/save_registers_asm.cc +++ /dev/null @@ -1,110 +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. - -#include <src/heap/base/stack.h> - -// Save all callee-saved registers in the specified buffer. -// extern "C" void SaveCalleeSavedRegisters(intptr_t* buffer); - -// See asm/x64/save_registers_asm.cc for why the function is not generated -// using clang. -// -// Do not depend on V8_TARGET_OS_* defines as some embedders may override the -// GN toolchain (e.g. ChromeOS) and not provide them. -// -// PPC ABI source: -// http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html - -// AIX Runtime process stack: -// https://www.ibm.com/support/knowledgecenter/ssw_aix_71/assembler/idalangref_runtime_process.html - -#ifdef __PPC64__ - -// 20 64-bit registers = 20 intprt_t -static_assert(heap::base::Stack::NumberOfCalleeSavedRegisters == 20, - "Mismatch in the number of callee-saved registers"); -static_assert(sizeof(intptr_t) == 8, "Mismatch in word size"); - -asm( -#if defined(_AIX) - ".globl .SaveCalleeSavedRegisters, hidden \n" - ".csect .text[PR] \n" - ".SaveCalleeSavedRegisters: \n" -#else - ".globl SaveCalleeSavedRegisters \n" - ".type SaveCalleeSavedRegisters, %function \n" - ".hidden SaveCalleeSavedRegisters \n" - "SaveCalleeSavedRegisters: \n" -#endif - // r3: [ intptr_t* buffer ] - // Save the callee-saved registers: lr, TOC pointer (r2), r14-r31. - " mflr 0 \n" - " std 0, 8(3) \n" - " std 2, 16(3) \n" - " std 14, 24(3) \n" - " std 15, 32(3) \n" - " std 16, 40(3) \n" - " std 17, 48(3) \n" - " std 18, 56(3) \n" - " std 19, 64(3) \n" - " std 20, 72(3) \n" - " std 21, 80(3) \n" - " std 22, 88(3) \n" - " std 23, 96(3) \n" - " std 24, 104(3) \n" - " std 25, 112(3) \n" - " std 26, 120(3) \n" - " std 27, 128(3) \n" - " std 28, 136(3) \n" - " std 29, 144(3) \n" - " std 30, 152(3) \n" - " std 31, 160(3) \n" - // Return. - " blr \n"); - -#else // !__PPC64__ - -// 20 32-bit registers = 20 intprt_t -static_assert(heap::base::Stack::NumberOfCalleeSavedRegisters == 20, - "Mismatch in the number of callee-saved registers"); -static_assert(sizeof(intptr_t) == 4, "Mismatch in word size"); - -asm( -#if defined(_AIX) - ".globl .SaveCalleeSavedRegisters, hidden \n" - ".csect .text[PR] \n" - ".SaveCalleeSavedRegisters: \n" -#else - ".globl SaveCalleeSavedRegisters \n" - ".type SaveCalleeSavedRegisters, %function \n" - ".hidden SaveCalleeSavedRegisters \n" - "SaveCalleeSavedRegisters: \n" -#endif - // r3: [ intptr_t* buffer ] - // Save the callee-saved registers: lr, TOC pointer (r2), r14-r31. - " mflr 0 \n" - " st 0, 4(3) \n" - " st 2, 8(3) \n" - " st 14, 12(3) \n" - " st 15, 16(3) \n" - " st 16, 20(3) \n" - " st 17, 24(3) \n" - " st 18, 28(3) \n" - " st 19, 32(3) \n" - " st 20, 36(3) \n" - " st 21, 40(3) \n" - " st 22, 44(3) \n" - " st 23, 48(3) \n" - " st 24, 52(3) \n" - " st 25, 56(3) \n" - " st 26, 60(3) \n" - " st 27, 64(3) \n" - " st 28, 68(3) \n" - " st 29, 72(3) \n" - " st 30, 76(3) \n" - " st 31, 80(3) \n" - // Return. - " blr \n"); - -#endif // __PPC64__ |