| 1 | /* Perform a `longjmp' on a Mach thread_state. i386 version. |
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| 2 | Copyright (C) 1991-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <hurd/signal.h> |
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| 20 | #include <setjmp.h> |
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| 21 | #include <jmpbuf-offsets.h> |
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| 22 | #include <mach/thread_status.h> |
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| 23 | |
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| 24 | |
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| 25 | /* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'. */ |
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| 26 | |
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| 27 | void |
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| 28 | _hurd_longjmp_thread_state (void *state, jmp_buf env, int val) |
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| 29 | { |
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| 30 | struct i386_thread_state *ts = state; |
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| 31 | |
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| 32 | ts->ebx = env[0].__jmpbuf[JB_BX]; |
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| 33 | ts->esi = env[0].__jmpbuf[JB_SI]; |
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| 34 | ts->edi = env[0].__jmpbuf[JB_DI]; |
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| 35 | ts->ebp = env[0].__jmpbuf[JB_BP]; |
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| 36 | ts->uesp = env[0].__jmpbuf[JB_SP]; |
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| 37 | ts->eip = env[0].__jmpbuf[JB_PC]; |
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| 38 | ts->eax = val ?: 1; |
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| 39 | } |
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| 40 | |
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