63 lines
1.7 KiB
ArmAsm
63 lines
1.7 KiB
ArmAsm
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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x64/setjmp.s
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Implement the assembly part of setjmp.
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*******************************************************************************/
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.global setjmp
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.type setjmp, @function
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setjmp:
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# TODO: Floating point stuff!
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mov %rbx, 0x00(%rdi)
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mov %rsp, 0x08(%rdi)
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mov %rbp, 0x10(%rdi)
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mov %r12, 0x18(%rdi)
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mov %r13, 0x20(%rdi)
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mov %r14, 0x28(%rdi)
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mov %r15, 0x30(%rdi)
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mov 0(%rsp), %rax
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mov %rax, 0x38(%rdi)
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xorl %eax, %eax
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.Lsetjmp_return:
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ret
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.size setjmp, . - setjmp
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.global longjmp
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.type longjmp, @function
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longjmp:
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testl %esi, %esi
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jnz 1f
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mov $1, %esi
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1:
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# TODO: Floating point stuff!
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mov 0x00(%rdi), %rbx
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mov 0x08(%rdi), %rsp
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mov 0x10(%rdi), %rbp
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mov 0x18(%rdi), %r12
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mov 0x20(%rdi), %r13
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mov 0x28(%rdi), %r14
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mov 0x30(%rdi), %r15
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mov 0x38(%rdi), %rax
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mov %rax, 0(%rsp)
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mov %esi, %eax
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jmp .Lsetjmp_return
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.size longjmp, . - longjmp
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