diff options
Diffstat (limited to 'ext/systemc/src/sysc/qt/md/iX86_64.s')
| -rw-r--r-- | ext/systemc/src/sysc/qt/md/iX86_64.s | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/qt/md/iX86_64.s b/ext/systemc/src/sysc/qt/md/iX86_64.s new file mode 100644 index 000000000..a8bcfcd96 --- /dev/null +++ b/ext/systemc/src/sysc/qt/md/iX86_64.s @@ -0,0 +1,74 @@ +/* iX386_64.s -- assembly support. */ + +/* +// QuickThreads -- Threads-building toolkit. +// Copyright (c) 1993 by David Keppel +// +// Permission to use, copy, modify and distribute this software and +// its documentation for any purpose and without fee is hereby +// granted, provided that the above copyright notice and this notice +// appear in all copies. This software is provided as a +// proof-of-concept and for demonstration purposes; there is no +// representation about the suitability of this software for any +// purpose. */ + +/* 64-bit Intel Architecture Support +// written by Andy Goodrich, Forte Design Systms, Inc. */ + +/* NOTE: double-labeled `_name' and `name' for System V compatability. */ +/* NOTE: Mixed C/C++-style comments used. Sorry! */ + + .text + .align 2 + + .globl _qt_abort + .globl qt_abort + .globl _qt_block + .globl qt_block + .globl _qt_blocki + .globl qt_blocki + .globl _qt_align + .globl qt_align + +_qt_abort: +qt_abort: +_qt_block: +qt_block: +_qt_blocki: +qt_blocki: + /* 11 (return address.) */ + pushq %rbp /* 10 (push stack frame top.) */ + movq %rsp, %rbp /* set new stack frame top. */ + /* save registers. */ + subq $8, %rsp /* 9 (Stack alignment) */ + pushq %r12 /* 8 ... */ + pushq %r13 /* 7 ... */ + pushq %r14 /* 6 ... */ + pushq %r15 /* 5 ... */ + pushq %rbx /* 4 ... */ + pushq %rcx /* 3 ... (new stack address) */ + pushq %rdx /* 2 ... (arg) */ + pushq %rdi /* 1 ... (address of save function.) */ + pushq %rsi /* 0 ... (cor) */ + + movq %rdi, %rax /* get address of save function. */ + movq %rsp, %rdi /* set current stack as save argument. */ + movq %rcx, %rsp /* swap stacks. */ + movq %rcx, %rbp /* adjust stack frame pointer. */ + addq $10*8, %rbp /* ... */ + call *%rax /* call function to save stack pointer. */ + + /* restore registers. */ + popq %rsi /* ... */ + popq %rdi /* ... */ + popq %rdx /* ... */ + popq %rcx /* ... */ + popq %rbx /* ... */ + popq %r15 /* restore registers from new stack. */ + popq %r14 /* ... */ + popq %r13 /* ... */ + popq %r12 /* ... */ + leave /* unwind stack. */ +_qt_align: +qt_align: + ret /* return. */ |