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37 lines
1.7 KiB
C
37 lines
1.7 KiB
C
/* Private macros for accessing __jmp_buf contents. PowerPC version.
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Copyright (C) 2006-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#define JB_GPR1 0 /* Also known as the stack pointer */
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#define JB_GPR2 1
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#define JB_LR 2 /* The address we will return to */
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#if __WORDSIZE == 64
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# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18*2 words total. */
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# define JB_CR 21 /* Shared dword with VRSAVE. CR word at offset 172. */
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# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
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# define JB_SIZE (64 * 8) /* As per PPC64-VMX ABI. */
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# define JB_VRSAVE 21 /* Shared dword with CR. VRSAVE word at offset 168. */
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# define JB_VRS 40 /* VRs 20 through 31 are saved, 12*4 words total. */
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#else
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# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total. */
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# define JB_CR 21 /* Condition code registers. */
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# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
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# define JB_SIZE ((64 + (12 * 4)) * 4)
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# define JB_VRSAVE 62
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# define JB_VRS 64
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#endif
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