61 lines
1.6 KiB
ArmAsm
61 lines
1.6 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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x86/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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mov 4(%esp), %ecx
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# TODO: Floating point stuff!
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mov %ebx, 0x00(%ecx)
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mov %esi, 0x04(%ecx)
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mov %edi, 0x08(%ecx)
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mov %ebp, 0x0C(%ecx)
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mov %esp, 0x10(%ecx)
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mov 0(%esp), %eax
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mov %eax, 0x14(%ecx)
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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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mov 4(%esp), %ecx
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mov 8(%esp), %edx
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testl %edx, %edx
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jnz 1f
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mov $1, %edx
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1:
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# TODO: Floating point stuff!
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mov 0x04(%ecx), %esi
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mov 0x08(%ecx), %edi
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mov 0x0C(%ecx), %ebp
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mov 0x10(%ecx), %esp
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mov 0x14(%ecx), %eax
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mov %eax, 0(%esp)
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mov %edx, %eax
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jmp .Lsetjmp_return
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.size longjmp, . - longjmp
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