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Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.1 KB
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| Line | |
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| 1 | /* |
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| 2 | * ==================================================== |
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| 3 | * Copyright (C) 2007 by Ellips BV. All rights reserved. |
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| 4 | * |
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| 5 | * Permission to use, copy, modify, and distribute this |
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| 6 | * software is freely granted, provided that this notice |
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| 7 | * is preserved. |
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| 8 | * ==================================================== |
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| 9 | */ |
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| 10 | |
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| 11 | /* |
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| 12 | ** jmp_buf: |
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| 13 | ** rbx rbp r12 r13 r14 r15 rsp rip |
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| 14 | ** 0 8 16 24 32 40 48 56 |
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| 15 | */ |
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| 16 | |
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| 17 | #include "x86_64mach.h" |
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| 18 | |
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| 19 | .global SYM (setjmp) |
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| 20 | .global SYM (longjmp) |
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| 21 | SOTYPE_FUNCTION(setjmp) |
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| 22 | SOTYPE_FUNCTION(longjmp) |
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| 23 | |
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| 24 | SYM (setjmp): |
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| 25 | movq rbx, 0 (rdi) |
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| 26 | movq rbp, 8 (rdi) |
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| 27 | movq r12, 16 (rdi) |
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| 28 | movq r13, 24 (rdi) |
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| 29 | movq r14, 32 (rdi) |
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| 30 | movq r15, 40 (rdi) |
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| 31 | leaq 8 (rsp), rax |
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| 32 | movq rax, 48 (rdi) |
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| 33 | movq (rsp), rax |
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| 34 | movq rax, 56 (rdi) |
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| 35 | movq $0, rax |
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| 36 | ret |
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| 37 | |
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| 38 | SYM (longjmp): |
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| 39 | movq rsi, rax /* Return value */ |
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| 40 | |
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| 41 | movq 8 (rdi), rbp |
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| 42 | |
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| 43 | __CLI |
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| 44 | movq 48 (rdi), rsp |
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| 45 | pushq 56 (rdi) |
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| 46 | movq 0 (rdi), rbx |
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| 47 | movq 16 (rdi), r12 |
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| 48 | movq 24 (rdi), r13 |
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| 49 | movq 32 (rdi), r14 |
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| 50 | movq 40 (rdi), r15 |
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| 51 | __STI |
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| 52 | |
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| 53 | ret |
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